CN118219152B - Device and method for grinding inner hole of steel pipe - Google Patents
Device and method for grinding inner hole of steel pipe Download PDFInfo
- Publication number
- CN118219152B CN118219152B CN202410446955.3A CN202410446955A CN118219152B CN 118219152 B CN118219152 B CN 118219152B CN 202410446955 A CN202410446955 A CN 202410446955A CN 118219152 B CN118219152 B CN 118219152B
- Authority
- CN
- China
- Prior art keywords
- frame
- fixedly connected
- mounting
- steel pipe
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
- 239000010959 steel Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title abstract description 7
- 238000005498 polishing Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 230000010485 coping Effects 0.000 claims description 9
- 238000002788 crimping Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/40—Single-purpose machines or devices for grinding tubes internally
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to the technical field of steel pipe machining, in particular to a steel pipe inner hole polishing device, which comprises a bottom plate and a mounting frame arranged on the upper side of the bottom plate, wherein the rear end of the top of the mounting frame is fixedly connected with a rear connecting frame, the rear end of the rear connecting frame is fixedly connected with an extension frame, a locking mechanism for locking the position of a steel pipe is arranged in the mounting frame, and a polishing mechanism for rapidly polishing the inner hole surface of the steel pipe is arranged in the rear connecting frame. The locking mechanism adopted by the invention can stably lock the steel pipes with different diameters and different lengths in an external supporting mode, effectively ensures the polishing and grinding stability of the inner holes of the steel pipes, enlarges the application range of equipment and increases the practicability of the equipment, and has the advantages of convenient and quick locking process and time and labor saving use.
Description
Technical Field
The invention relates to the technical field of steel pipe machining, in particular to a device and a method for grinding an inner hole of a steel pipe.
Background
The application field of large-scale steel pipe is very extensive, wherein the requirement of the large-scale steel pipe that makes the pneumatic cylinder and use is very high to the smoothness requirement of steel pipe hole, therefore need carry out polishing to the steel pipe hole earlier before making the pneumatic cylinder and polish the processing, thereby realize the technical purpose to the accurate coping of steel pipe hole, current steel pipe hole polishing equipment is conventional polishing equipment, it polishes to adopt the polishing roller of single group to polish, but the hole area of polishing of cylinder is great, need take longer time to accomplish, the manufacturing period of pneumatic cylinder is easily influenced, the type of pneumatic cylinder is more simultaneously, namely need polish the large-scale steel pipe of polishing different diameter requirements, current polishing equipment can only polish the processing to the steel pipe hole of a type, can't process the steel pipe of different length or different diameters, the suitability is relatively poor.
Disclosure of Invention
The technical problems to be solved are as follows: the invention provides a steel pipe inner hole polishing device which can solve the problems.
The technical scheme is as follows: in order to achieve the above purpose, the invention adopts the following technical scheme that the steel pipe inner hole polishing device comprises a bottom plate and a mounting frame arranged on the upper side of the bottom plate, wherein the rear end of the top of the mounting frame is fixedly connected with a rear connecting frame, the rear end of the rear connecting frame is fixedly connected with an extension frame, a locking mechanism for locking the position of a steel pipe is arranged in the mounting frame, and a polishing and grinding mechanism for rapidly polishing and grinding the inner hole surface of the steel pipe is arranged in the rear connecting frame.
The locking mechanism comprises locking plates which are movably arranged on the upper side of the mounting frame in a front-back symmetrical mode, distance adjusting assemblies for adjusting the distance are arranged between the locking plates, perforations are formed in the centers of the locking plates, four groups of pushing arms are circumferentially distributed on the inner annular wall of the locking plate and are in sliding connection with each other, a crimping frame which is located in the perforations is fixedly connected with the inner ends of the pushing arms, the crimping frame is in a V shape, the outer ends of the pushing arms extend to the inner portions of the locking plates and are fixedly connected with sliding pins, rotating rings are concentrically connected with rotating rings, a plurality of inclined sliding grooves are formed in positions of the rotating rings corresponding to the pushing arms, the sliding pins are in the corresponding inclined sliding grooves, tooth sections are arranged on the outer annular wall of the rotating rings, sixth gears are in meshed connection with the tooth sections, and the sixth gears are fixedly connected to adapter sleeves, and the adapter sleeves are rotationally connected between the front wall and the rear wall of the locking plates.
The polishing and grinding mechanism comprises a first mounting box which is coaxially and movably arranged on the front side of a rear connecting frame, a propulsion component is arranged between the first mounting box and the extension frame, the front side of the first mounting box is rotationally connected with a second mounting box, the rear end of the second mounting box is provided with a driving and rotating component, the center of the second mounting box is rotationally connected with a center rotating rod, the rear end of the center rotating rod is fixedly connected with the output end of a second motor, the second motor is fixedly connected in the second mounting box, the circumference of the front side of the second mounting box is rotationally connected with three groups of rotating seats, the front end of each rotating seat is rotationally connected with a fifth gear, the front end of the center rotating rod is fixedly connected with a driving and rotating gear, the three groups of fifth gears are jointly meshed and connected onto the driving and rotating gears, the annular wall of each rotating seat is fixedly connected with a second support arm, one end of the second support arm, which is far away from the corresponding rotating seat, is rotationally connected with a polishing and grinding roller, one side of the polishing and grinding roller, which is close to the first mounting box, is fixedly connected with a fourth gear, the fourth gear on the same, is meshed with the fifth gear, and an adjusting component used for synchronously rotating and adjusting is arranged between the three groups of rotating seats.
As a preferable technical scheme of the invention, the distance adjusting assembly comprises a bidirectional screw rod rotatably connected to the upper part of the right side of the mounting frame and a guide rod fixedly connected to the upper part of the left side of the mounting frame, two locking discs are symmetrically and spirally connected to the bidirectional screw rod and are both in sliding connection with the guide rod, one end of the bidirectional screw rod extends to the outside of the mounting frame and is fixedly connected to the output end of a third motor, and the third motor is fixedly connected to the outside of the mounting frame.
As a preferable technical scheme of the invention, the adapter sleeve is connected onto the coupling in a sliding way, a plurality of bulges are fixedly connected on the circumference of the surface of the coupling, limiting sliding grooves are formed in the inner annular wall of the adapter sleeve corresponding to the positions of the bulges, the bulges are connected with the limiting sliding grooves in a sliding way, the coupling is rotationally connected to the bottom of the mounting frame, one end of the coupling extends to the outside of the mounting frame and is fixedly connected to the output end of the fourth motor, and the fourth motor is fixedly connected to the outside of the mounting frame.
As a preferable technical scheme of the invention, the propulsion component comprises a scissor type expansion frame arranged between a first mounting box and a front wall of a rear connecting frame, wherein a fixing plate is fixedly connected to the rear side of the first mounting box, a supporting plate is fixedly connected to the lower side of the fixing plate, a mounting block is fixedly connected to the position, corresponding to the supporting plate, of the front wall of the rear connecting frame, a front end V frame is hinged to the front end of the scissor type expansion frame, a rear end V frame is hinged to the rear end of the scissor type expansion frame, the front end V frame and the rear end V frame are formed by hinging two short arms, the two short arms of the rear end V frame are hinged to the mounting block, the two short arms of the front end V frame are hinged to the supporting plate, the two ends, close to each other, of the two short arms of the front end V frame are fixedly connected with first gears in a meshed connection mode, a first electric push rod is fixedly connected to the expansion frame, the output end of the first electric push rod faces the scissor type expansion frame and is fixedly connected with the push frame, and the front end of the push frame is fixedly connected to the hinging point of the middle of the rear end of the scissor type expansion frame.
As a preferable technical scheme of the invention, the rotation driving assembly comprises a toothed ring fixedly connected to the rear end of the second mounting box, a second gear is connected to the toothed ring in a meshed manner, the second gear is fixedly connected to the output end of the first motor, and the first motor is fixedly connected to the first mounting box.
As a preferable technical scheme of the invention, the adjusting component comprises first support arms fixedly connected to the annular walls of two groups of the rotary seats, the first support arms and the second support arms on the same rotary seat are distributed at 120 degrees and have outward distribution angle openings, the second support arms are hinged with the first support arms on other rotary seats through connecting arms, the rear end of any rotary seat is fixedly connected with a third gear, the third gear is in meshed connection with a rack, the rack is fixedly connected to the output end of a second electric push rod, and the second electric push rod is fixedly connected in a second mounting box.
As a preferable technical scheme of the invention, the front side of the bottom of the mounting frame is hinged on the bottom plate, the rear side of the bottom of the mounting frame is hinged on the output end of the third electric push rod, and one end of the third electric push rod far away from the mounting frame is hinged on the bottom plate.
The beneficial effects are that:
1. The locking mechanism adopted by the invention can stably lock the steel pipes with different diameters and different lengths in an external supporting mode, effectively ensures the polishing and grinding stability of the inner holes of the steel pipes, enlarges the application range of equipment and increases the practicability of the equipment, and has the advantages of convenient and quick locking process and time and labor saving use.
2. The polishing and grinding mechanism adopted by the invention can carry out adaptive polishing and grinding attachment according to the inner holes of the steel pipes with different diameters, has strong applicability, simultaneously adopts a plurality of groups of polishing and grinding rollers to synchronously work, effectively improves the polishing and grinding efficiency of the inner holes of the steel pipes, further shortens the processing and manufacturing period of the steel pipes, and realizes the technical purpose of precisely polishing the inner holes of the steel pipes.
3. The propulsion assembly adopted by the invention can obviously increase the propulsion stroke of the first electric push rod on the polishing and grinding roller by utilizing the telescopic characteristic of the extension frame, further prolong the grinding depth of the polishing and grinding roller, effectively ensure that the polishing and grinding roller can completely and comprehensively polish and grind the inner holes of steel pipes with different lengths, ensure the polishing and grinding quality and further ensure the technical purpose of precisely grinding the inner holes of the steel pipes.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of a first view of the present invention.
Fig. 2 is a schematic view of a second perspective structure of the present invention.
Fig. 3 is a schematic view of the internal cross-sectional structure of the locking plate of the present invention.
Fig. 4 is a schematic view of a first perspective of the polishing and buffing mechanism of the present invention.
FIG. 5 is a schematic top view of the polishing and buffing mechanism of the present invention.
Fig. 6 is a schematic view of a second perspective of the polishing and buffing mechanism of the present invention.
Fig. 7 is a schematic perspective view of the first arm, the polishing and grinding roller, the driving gear and the fifth gear of the present invention.
Fig. 8 is a schematic cross-sectional structure of the inside of the second mounting case of the present invention.
Fig. 9 is a schematic cross-sectional structure of the inside of the first mounting case of the present invention.
In the figure: 1. a bottom plate; 2. a mounting frame; 3. a rear connecting frame; 31. an extension frame; 4. polishing and grinding mechanism; 41. a propulsion assembly; 411. a first electric push rod; 412. pushing a frame; 413. a scissor fork type extension frame; 4131. a rear end V-shaped frame; 4132. a front end V-shaped frame; 414. a support plate; 415. a first gear; 416. a fixing plate; 417. a mounting block; 42. a first mounting box; 43. a second mounting box; 431. a drive-rotation assembly; 4311. a toothed ring; 4312. a second gear; 4313. a first motor; 44. polishing the polishing roller; 45. rotating base; 451. an adjustment assembly; 4511. a connecting arm; 4512. a first arm; 4513. a third gear; 4514. a rack; 4515. a second electric push rod; 46. a second arm; 47. a fourth gear; 48. a fifth gear; 49. a drive gear; 4010. a center rotating rod; 4011. a second motor; 5. a locking mechanism; 51. a distance adjusting component; 511. a guide rod; 512. a two-way screw rod; 513. a third motor; 52. a locking plate; 53. coupling shaft; 54. a fourth motor; 55. a swivel; 56. a slide pin; 57. pushing arms; 58. a crimping frame; 59. a sixth gear; 5010. an adapter sleeve; 5011. tooth sections; 5012. an inclined chute; 6. and a third electric push rod.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1 and 4, a steel pipe hole coping device, including bottom plate 1 and establish the mounting bracket 2 in bottom plate 1 upside, the top rear end fixedly connected with of mounting bracket 2 connects frame 3 afterwards, and the rear end fixedly connected with of rear connects frame 3 extends frame 31, be equipped with in the mounting bracket 2 and be used for carrying out the locking mechanical system 5 of position locking to the steel pipe, be equipped with in the rear connects frame 3 and be used for carrying out the polishing grinding mechanical system 4 of quick polishing grinding to the hole surface of steel pipe.
Referring to fig. 1, 2 and 3, the locking mechanism 5 includes a locking plate 52 movably disposed on the upper side of the mounting frame 2 in a front-back symmetrical manner, a distance adjusting assembly 51 for adjusting the distance is disposed between the locking plate 52, a through hole is disposed at the center of the locking plate 52, four groups of push arms 57 are circumferentially arranged on an inner circumferential wall of the locking plate 52 and slidably connected with each other, a press-connection frame 58 disposed in the through hole is fixedly connected with an inner end of each push arm 57, the press-connection frame 58 is V-shaped, an outer end of each push arm 57 extends into the locking plate 52 and is fixedly connected with a sliding pin 56, a swivel 55 is concentrically and rotatably connected with the locking plate 52, a plurality of inclined sliding grooves 5012 are disposed at positions of the swivel 55 corresponding to the push arms 57, the sliding pins 56 are slidably connected with the corresponding inclined sliding grooves 5012, tooth segments 5011 are disposed on an outer circumferential wall of the swivel 55, the tooth segments 5011 are engaged with a sixth gear 59, the sixth gear 59 is fixedly connected with an adapter sleeve 5010, and the adapter sleeve 5010 is rotatably connected between front and rear walls of the locking plate 52.
In specific operation, the sixth gear 59 is controlled to rotate by the rotation of the adapter sleeve 5010, so that the sixth gear 59 drives the swivel 55 to rotate by the tooth segment 5011, the inclined sliding chute 5012 on the swivel 55 and the sliding pin 56 cooperate to enable the pushing arms 57 to synchronously move along the radial direction of the swivel 55, and the pushing arms 57 push the compression frame 58 to externally tighten the outer surface of the steel pipe.
Referring to fig. 1, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, the polishing and grinding mechanism 4 includes a first mounting box 42 coaxially and movably disposed on the front side of the rear frame 3 with respect to the locking plate 52, a propulsion assembly 41 is disposed between the first mounting box 42 and the extension frame 31, the front side of the first mounting box 42 is rotatably connected with a second mounting box 43, a rotation driving assembly 431 is disposed at the rear end of the second mounting box 43, a center rotating rod 4010 is rotatably connected with the center of the second mounting box 43, the rear end of the center rotating rod 4010 is fixedly connected to the output end of the second motor 4011, the second motor 4011 is fixedly connected in the second mounting box 43, three sets of rotation plates 45 are rotatably connected to the front side circumference of the second mounting box 43 at equal intervals, a fifth gear 48 is rotatably connected to the front end of the rotation plate 45, a rotation driving gear 49 is fixedly connected to the front end of the center rotating rod 4010, the three sets of the fifth gears 48 are rotatably connected to the rotation driving gears 49, second support arms 46 are fixedly connected to the annular walls of the rotation plates 45, the second ends 46 are rotatably connected to the rotation plates 45, the rotation plates 46 are rotatably connected to the rotation plates 45, and the rotation plates 45 are rotatably connected to the rotation plates 45, and are rotatably connected to the fifth gear plates 45.
Specifically, during operation, the second motor 4011 operates to drive the center rotating rod 4010 to rotate so as to control the rotation of the rotation driving gear 49, the rotation driving gear 49 drives each fifth gear 48 to rotate, each fifth gear 48 drives each fourth gear 47 to rotate, and each polishing roller 44 synchronously rotates to polish.
Referring to fig. 1 and 2, the distance adjusting assembly 51 includes a bidirectional screw rod 512 rotatably connected to the upper right side of the mounting frame 2, and a guide rod 511 fixedly connected to the upper left side of the mounting frame 2, two locking discs 52 are symmetrically screwed on the bidirectional screw rod 512 and are slidably connected to the guide rod 511, one end of the bidirectional screw rod 512 extends to the outside of the mounting frame 2 and is fixedly connected to the output end of the third motor 513, and the third motor 513 is fixedly connected to the outside of the mounting frame 2.
In specific operation, the bidirectional screw rod 512 is controlled to rotate by the operation of the third motor 513, and the bidirectional screw rod 512 drives the two locking discs 52 to move along the guide rods 511, so that the two locking discs 52 can externally support two ends of steel pipes with different lengths.
Referring to fig. 1 and fig. 2, the adapter sleeve 5010 is slidably connected to the shaft coupling 53, a plurality of protrusions are circumferentially arranged on the surface of the shaft coupling 53, limiting sliding grooves are formed in the inner annular wall of the adapter sleeve 5010 corresponding to the protruding positions, the protrusions are slidably connected with the limiting sliding grooves, the shaft coupling 53 is rotatably connected to the bottom of the mounting frame 2, one end of the shaft coupling 53 extends to the outside of the mounting frame 2 and is fixedly connected to the output end of the fourth motor 54, and the fourth motor 54 is fixedly connected to the outside of the mounting frame 2.
In specific operation, the fourth motor 54 is used for controlling the rotation of the coupling 53, and the coupling 53 drives the adapter sleeves 5010 to rotate through the protruding limiting function, so that the two adapter sleeves 5010 rotate synchronously.
Referring to fig. 1, 4, 5 and 6, the propulsion assembly 41 includes a scissor-fork extension frame 413 disposed between the first mounting box 42 and the front wall of the rear frame 3, a fixing plate 416 is fixedly connected to the rear side of the first mounting box 42, a support plate 414 is fixedly connected to the lower side of the fixing plate 416, a mounting block 417 is fixedly connected to the rear frame 3 at a position corresponding to the support plate 414, a front end V-frame 4132 is hinged to the front end of the scissor-fork extension frame 413, a rear end V-frame 4131 is hinged to the rear end of the scissor-fork extension frame 413, the front end V-frame 4132 and the rear end V-frame 4131 are both formed by hinging two short arms, the two short arms of the rear end V-frame 4131 are hinged to the mounting block 417, two short arms of the front end V-frame 4132 are both fixedly connected to first gears 415, the two first gears 415 are meshed, a first electric push rod 411 is fixedly connected to the extension frame 31, and the output end of the first electric push rod 413 faces the front end of the front frame 413 and is connected to the front end of the front frame, and the front end of the scissor-fork extension frame is fixedly connected to the front end of the scissor-fork extension frame 412.
During specific work, the telescopic control pushing frame 412 of the first electric push rod 411 pushes the hinge point in the middle of the rearmost end of the scissor type stretching frame 413 to change in position so that the scissor type stretching frame 413 stretches, the polishing grinding roller 44 can completely enter the inner hole of the steel pipe by controlling the stretching degree of the scissor type stretching frame 413, and the rotation synchronism of the two short arms of the front-end V frame 4132 and the hinge arm of the scissor type stretching frame 413 is guaranteed by setting the first gear 415, so that the scissor type stretching frame 413 stretches smoothly.
Referring to fig. 9, the rotation driving assembly 431 includes a toothed ring 4311 fixedly connected to the rear end of the second mounting box 43, the toothed ring 4311 is in meshed connection with a second gear 4312, the second gear 4312 is fixedly connected to the output end of the first motor 4313, and the first motor 4313 is fixedly connected to the first mounting box 42.
In specific work, the first motor 4313 drives the second gear 4312 to rotate, the second gear 4312 controls the toothed ring 4311 to rotate, and the second mounting box 43 is driven to rotate through the rotation of the toothed ring 4311, so that the three groups of polishing and grinding rollers 44 perform complete circumferential grinding on the inner hole of the steel pipe.
Referring to fig. 7 and 8, the adjusting assembly 451 includes a first support arm 4512 fixedly connected to the annular wall of two groups of swivel mounts 45, the first support arm 4512 and the second support arm 46 on the same swivel mount 45 are distributed at 120 ° and have outward distribution angle openings, the second support arm 46 is hinged to the first support arm 4512 on other swivel mounts 45 through a connecting arm 4511, the rear end of any swivel mount 45 is fixedly connected with a third gear 4513, the third gear 4513 is in meshed connection with a rack 4514, the rack 4514 is fixedly connected to the output end of a second electric push rod 4515, and the second electric push rod 4515 is fixedly connected in a second mounting box 43.
During specific work, the second electric push rod 4515 is used for controlling the rack 4514 to move, the third gear 4513 is driven to rotate by the movement of the rack 4514, the third gear 4513 is used for controlling the rotation of the connected rotary seat 45, and the rotary seat 45 is matched with the connecting arm 4511, the second support arm 46 and the first support arm 4512 to synchronously drive the rest rotary seat 45 to synchronously rotate, so that the linear distance between the polishing roller 44 and the center rotary rod 4010 is changed, and the purpose of polishing inner holes of steel pipes with different diameters is achieved.
Referring to fig. 1 and 2, the front side of the bottom of the mounting frame 2 is hinged on the bottom plate 1, the rear side of the bottom of the mounting frame 2 is hinged on the output end of the third electric push rod 6, and one end of the third electric push rod 6 away from the mounting frame 2 is hinged on the bottom plate 1.
During specific work, the installation frame 2 is controlled to incline by a certain angle through the extension of the third electric push rod 6, so that one end of the steel pipe in the polishing stage is inclined downwards, the polishing fragments can conveniently slide out, the polishing fragments are prevented from accumulating in the inner hole of the steel pipe, and the follow-up polishing quality is prevented from being influenced.
In addition, the invention also provides a concrete working method of the steel pipe inner hole grinding device, which comprises the following steps:
S1: firstly, a steel pipe is hung to a punching position of a locking disc 52 through a crane or a travelling crane, then a third motor 513 is used for controlling a bidirectional screw rod 512 to rotate, the bidirectional screw rod 512 is used for driving two locking discs 52 to move along a guide rod 511, punching holes of the two locking discs 52 penetrate through two ends of the steel pipe, a fourth motor 54 is used for controlling a coupling 53 to rotate, the coupling 53 is used for driving two adapter sleeves 5010 to synchronously rotate through a protruding limiting function, a sixth gear 59 is controlled to rotate through rotation of the adapter sleeves 5010, the sixth gear 59 drives a rotating ring 55 to rotate through a tooth segment 5011, inclined sliding grooves 5012 on the rotating ring 55 and sliding pins 56 cooperate to enable pushing arms 57 to synchronously move along the radial direction of the rotating ring 55, and the pushing arms 57 are used for pushing the compression joint frames 58 to carry out external tightening on the outer surfaces of the steel pipe.
S2: then, the center rotating rod 4010 is driven to rotate by the operation of the second motor 4011 to control the rotation of the rotation driving gear 49, the rotation driving gear 49 drives each fifth gear 48 to rotate, each fifth gear 48 drives each fourth gear 47 to rotate, each polishing grinding roller 44 is enabled to synchronously rotate by the rotation of each fourth gear 47, meanwhile, the second gear 4312 is driven to rotate by the first motor 4313, the toothed ring 4311 is controlled to rotate by the second gear 4312, the second mounting box 43 is driven to rotate by the rotation of the toothed ring 4311, the polishing and grinding ranges of the three groups of polishing and grinding rollers 44 are added to 360 degrees, the three groups of polishing and grinding rollers 44 perform circumferential complete grinding on inner holes of a steel pipe, then the telescopic control pushing frame 412 of the first electric pushing rod 411 pushes the hinge point in the middle of the rearmost end of the shearing and extending frame to enable the shearing and extending frame 413 to extend, the polishing and grinding rollers 44 can completely enter the inner holes through controlling the extending degree of the shearing and enabling the polishing and grinding rollers 413 to completely, when the polishing and grinding diameters are required to be adjusted, the second electric pushing rod 4515 is driven to move by the second electric pushing rod 4515 to drive the second mounting box 43 to rotate, the three groups of polishing and the polishing and grinding rollers 44 to move by the rotation of the second electric pushing rod 4514, and the rest rotating rod 4513 is driven by the rotary rod 4513 to synchronously rotate, and the rotary joint 45 is driven by the rotary rod 45 to rotate, and the rotary joint 45 is changed by the rotary rod 45 is 45 and the rotary rod 45 is driven to rotate.
S3: in the polishing stage, the mounting frame 2 is controlled to incline by a certain angle through the extension and contraction of the third electric push rod 6, so that one end of the steel pipe in the polishing stage is inclined downwards, and polishing fragments slide out.
S4: and after finishing polishing, withdrawing the polishing and polishing mechanism 4, pre-hanging the steel pipe by a crane or a travelling crane frame, and withdrawing the locking mechanism 5.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a steel pipe hole coping device, includes bottom plate (1) and establishes mounting bracket (2) in bottom plate (1) upside, and the top rear end fixedly connected with of mounting bracket (2) connects frame (3) after, and the rear end fixedly connected with of rear connects frame (3) extends frame (31), its characterized in that: a locking mechanism (5) for locking the position of the steel pipe is arranged in the mounting frame (2), and a polishing and grinding mechanism (4) for rapidly polishing and grinding the surface of an inner hole of the steel pipe is arranged in the rear connecting frame (3);
The locking mechanism (5) comprises locking discs (52) which are symmetrically and movably arranged on the upper side of the mounting frame (2) front and back, distance adjusting assemblies (51) for adjusting the distance are arranged between the locking discs (52), through holes are formed in the centers of the locking discs (52), four groups of pushing arms (57) are circumferentially distributed on the inner annular wall of the locking discs (52) and are in sliding connection with each other, a crimping frame (58) which is positioned in the through holes is fixedly connected with the inner ends of the pushing arms (57), the crimping frame (58) is V-shaped, the outer ends of the pushing arms (57) extend into the locking discs (52) and are fixedly connected with sliding pins (56), rotating rings (55) are concentrically and rotatably connected inside the locking discs (52), a plurality of inclined sliding grooves (5012) are formed in positions of the rotating rings (55) corresponding to the pushing arms (57), tooth segments (5011) are arranged on the outer annular wall of the rotating rings (55), sixth gears (59) are meshed and connected with each other, the sixth gears (59) are fixedly connected to adapter sleeves (5010), and the adapter sleeves (5010) are rotatably connected between the front walls of the locking discs (52);
The polishing and grinding mechanism (4) comprises a first mounting box (42) which is coaxial with a locking disc (52) and is movably arranged on the front side of a rear connecting frame (3), a propulsion component (41) is arranged between the first mounting box (42) and an extension frame (31), a second mounting box (43) is rotatably connected on the front side of the first mounting box (42), a rotation driving component (431) is arranged at the rear end of the second mounting box (43), a center rotating rod (4010) is rotatably connected with the center of the second mounting box (43), the rear end of the center rotating rod (4010) is fixedly connected to the output end of a second motor (4011), the second motor (4011) is fixedly connected in the second mounting box (43), three groups of rotary bases (45) are rotatably connected on the circumference of the front side of the second mounting box (43) at equal intervals, a fifth gear (48) is rotatably connected to the front end of the rotary bases (45), a rotation driving gear (49) is fixedly connected to the front end of the center rotating rod (4010), the third groups of the fifth gears (48) are jointly meshed and are connected to the rotation driving gears (49), the second rotary bases (45) are fixedly connected to the first rotary bases (46) on the annular walls of the respective rotary bases (45) and are fixedly connected to the second rotary bases (44) and are correspondingly far away from the first rotary bases (44), a fourth gear (47) on the same rotary seat (45) is meshed with a fifth gear (48), and an adjusting assembly (451) for synchronous rotation adjustment is arranged between the three groups of rotary seats (45).
2. The steel pipe inner bore coping apparatus as claimed in claim 1, wherein: the distance adjusting assembly (51) comprises a bidirectional screw rod (512) rotatably connected to the upper right side of the mounting frame (2) and a guide rod (511) fixedly connected to the upper left side of the mounting frame (2), two locking discs (52) are symmetrically and spirally connected to the bidirectional screw rod (512) and are slidably connected to the guide rod (511), one end of the bidirectional screw rod (512) extends to the outside of the mounting frame (2) and is fixedly connected to the output end of a third motor (513), and the third motor (513) is fixedly connected to the outside of the mounting frame (2).
3. The steel pipe inner bore coping apparatus as claimed in claim 1, wherein: the adapter sleeve (5010) is connected onto the coupling (53) in a sliding mode, a plurality of protrusions are fixedly connected to the circumference of the surface of the coupling (53), limiting sliding grooves are formed in the positions, corresponding to the protrusions, of the inner annular wall of the adapter sleeve (5010), the protrusions are connected with the limiting sliding grooves in a sliding mode, the coupling (53) is connected to the bottom of the mounting frame (2) in a rotating mode, one end of the coupling (53) extends to the outside of the mounting frame (2) and is fixedly connected to the output end of the fourth motor (54), and the fourth motor (54) is fixedly connected to the outside of the mounting frame (2).
4. The steel pipe inner bore coping apparatus as claimed in claim 1, wherein: the propulsion component (41) comprises a scissor type expansion frame (413) arranged between a first mounting box (42) and the front wall of a rear connecting frame (3), a fixing plate (416) is fixedly connected to the rear side of the first mounting box (42), a supporting plate (414) is fixedly connected to the lower side of the fixing plate (416), a mounting block (417) is fixedly connected to the position, corresponding to the supporting plate (414), of the front wall of the rear connecting frame (3), a front end V frame (4132) is hinged to the front end of the scissor type expansion frame (413), a rear end V frame (4131) is hinged to the rear end V frame (4131), the front end V frame (4132) and the rear end V frame (4131) are formed by hinging two short arms, the two short arms of the rear end V frame (4131) are hinged to the mounting block (417), a first gear (415) is fixedly connected to one end, close to the two short arms of the front end V frame (4132), the front end of the front end V frame (4132) is hinged to the first gear (415), the front end V frame (4131) is hinged to the front end of the electric push rod (411), and the front end V frame (4131) is hinged to the front end (411) and the front end (4131) is connected to the front end (411).
5. The steel pipe inner bore coping apparatus as claimed in claim 1, wherein: the driving assembly (431) comprises a toothed ring (4311) fixedly connected to the rear end of the second mounting box (43), a second gear (4312) is connected to the toothed ring (4311) in a meshed mode, the second gear (4312) is fixedly connected to the output end of the first motor (4313), and the first motor (4313) is fixedly connected to the first mounting box (42).
6. The steel pipe inner bore coping apparatus as claimed in claim 1, wherein: the adjusting component (451) comprises first support arms (4512) which are fixedly connected to the annular walls of two groups of rotary seats (45), the first support arms (4512) and second support arms (46) on the same rotary seat (45) are distributed at an angle of 120 degrees and are outwards distributed, the second support arms (46) are hinged to the first support arms (4512) on other rotary seats (45) through connecting arms (4511), the rear end of any rotary seat (45) is fixedly connected with a third gear (4513), the third gear (4513) is meshed with a rack (4514), the rack (4514) is fixedly connected to the output end of a second electric push rod (4515), and the second electric push rod (4515) is fixedly connected in a second mounting box (43).
7. The steel pipe inner bore coping apparatus as claimed in claim 1, wherein: the bottom front side of mounting bracket (2) articulates on bottom plate (1), and the bottom rear side of mounting bracket (2) articulates on the output of third electric putter (6), and the one end that mounting bracket (2) was kept away from to third electric putter (6) articulates on bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410446955.3A CN118219152B (en) | 2024-04-15 | 2024-04-15 | Device and method for grinding inner hole of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410446955.3A CN118219152B (en) | 2024-04-15 | 2024-04-15 | Device and method for grinding inner hole of steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118219152A CN118219152A (en) | 2024-06-21 |
| CN118219152B true CN118219152B (en) | 2024-08-23 |
Family
ID=91513475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410446955.3A Active CN118219152B (en) | 2024-04-15 | 2024-04-15 | Device and method for grinding inner hole of steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118219152B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118927046B (en) * | 2024-10-15 | 2024-12-27 | 辽宁汉京半导体材料有限公司 | Grinding device for quick processing of silicon carbide product |
| CN119057681B (en) * | 2024-11-04 | 2025-03-21 | 洛阳智昊工程科技有限公司 | A polishing machine with efficient positioning |
| CN119260503B (en) * | 2024-11-14 | 2025-04-01 | 鑫泰龙智能装备(江苏)有限公司 | Steel pipe internal grinding machine with synchronous grinding function |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226700A (en) * | 2023-11-13 | 2023-12-15 | 广东顺德世高机械科技有限公司 | Steel pipe polishing device |
| CN117464470A (en) * | 2023-12-08 | 2024-01-30 | 湖北保欣铝合金铸造有限公司 | Aluminum alloy surface polishing and grinding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5009101B2 (en) * | 2006-10-06 | 2012-08-22 | 株式会社荏原製作所 | Substrate polishing equipment |
-
2024
- 2024-04-15 CN CN202410446955.3A patent/CN118219152B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226700A (en) * | 2023-11-13 | 2023-12-15 | 广东顺德世高机械科技有限公司 | Steel pipe polishing device |
| CN117464470A (en) * | 2023-12-08 | 2024-01-30 | 湖北保欣铝合金铸造有限公司 | Aluminum alloy surface polishing and grinding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118219152A (en) | 2024-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN118219152B (en) | Device and method for grinding inner hole of steel pipe | |
| WO2021047142A1 (en) | Composite laser pipe cutting machine | |
| CN109955017A (en) | Circular Thin pipe butt welding tolerance limitless defense right welding equipment and welding procedure | |
| CN116197761A (en) | Internal and external weld polishing device for machining thin-wall stainless steel water pipe | |
| CN213615720U (en) | Deburring tool for new energy automobile parts | |
| CN111266861A (en) | Assembly fixture of low-pressure turbine of engine | |
| CN110871485B (en) | Clay mud mould equipment | |
| CN111070015A (en) | Cylindrical steel pipe inner wall grinding machine | |
| CN112589566A (en) | Deburring tool for new energy automobile parts | |
| CN113967666A (en) | Steel pipe cold-drawing equipment | |
| CN111001633A (en) | A pipeline inner wall cleaning device for sewer system | |
| CN117020772A (en) | Surface treatment device for metal material | |
| CN212189700U (en) | Automobile aluminum hub spraying equipment assembly | |
| CN116728124A (en) | Numerical control lathe with multistation fixed establishment | |
| CN116352481A (en) | Pump shell blank processing and fixing tool | |
| CN118219079B (en) | Shaft sleeve processing equipment for RV (RV) quasi-double-sided speed reducer | |
| CN217019251U (en) | Novel steel welding production and processing device | |
| CN111113248A (en) | Seamless steel pipe surface finish equipment | |
| CN110900287A (en) | Bar and pipe slotting and blanking integrated linkage device based on same hydraulic compensation | |
| CN211615248U (en) | Seamless steel pipe surface finish equipment | |
| CN212420459U (en) | Milling machine fixture is used in aircraft part production | |
| CN212019052U (en) | Oil drum blank pressing and rib expanding equipment | |
| CN115301836A (en) | Automatic reaming equipment for butt joint of metal pipe ports | |
| CN210524176U (en) | Chuck rotary body | |
| CN112935967A (en) | Metal corrugated pipe connection groove forming processing equipment and processing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |