CN115194606B - A equipment of polishing for ball valve ball core - Google Patents
A equipment of polishing for ball valve ball core Download PDFInfo
- Publication number
- CN115194606B CN115194606B CN202211092696.6A CN202211092696A CN115194606B CN 115194606 B CN115194606 B CN 115194606B CN 202211092696 A CN202211092696 A CN 202211092696A CN 115194606 B CN115194606 B CN 115194606B
- Authority
- CN
- China
- Prior art keywords
- grinding
- frustum
- rotating shaft
- movable cylinder
- sliding
- 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
- 238000005498 polishing Methods 0.000 title claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 3
- 241001330002 Bambuseae Species 0.000 abstract description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 3
- 239000011425 bamboo Substances 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
- B24B15/04—Machines or devices designed for grinding seat surfaces; Accessories therefor on valve members
-
- 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
- B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
- B24B11/02—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls
- B24B11/04—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls involving grinding wheels
- B24B11/06—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls involving grinding wheels acting by the front faces, e.g. of plane, grooved or bevelled shape
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to the technical field of grinding spherical workpieces, in particular to a grinding device for a ball core of a ball valve. Including a fixed cylinder, the frustum, a movable section of thick bamboo and grinding device, it installs the pivot to rotate on the frustum, grinding device includes location structure, the grinding piece, adjust the structure and paste tight structure, location structure includes the strut, the grinding seat, the synchronizing bar, fastener and autorotation wheel, will wait to process the ball core through the fastener and fix on the grinding seat during use, then adjust the height of strut according to the ball core diameter through adjusting the structure, interval between with adjusting the grinding seat and the movable section of thick bamboo, until making ball core and grinding piece butt, paste tight structure and order about the crooked ball core in order to laminate of grinding piece, the drive pivot drives the strut and rotates, so that wait to process the ball core and revolute around the axle, and simultaneously, frustum drive autorotation wheel rotates, in order about to wait to process the ball core and carry out the rotation, in order to realize can adapting to the ball core of different diameters and grind.
Description
Technical Field
The invention relates to the technical field of grinding spherical workpieces, in particular to a grinding device for a ball core of a ball valve.
Background
Metal cutting is a material removal and shaping tool in metal forming processes and still accounts for a large percentage of today's mechanical manufacturing. The metal cutting process is a process of cutting off excess metal from a work piece to be machined. Grinding is one type of metal cutting, and is primarily used for finishing workpieces. For a workpiece with a spherical surface or a part of a spherical surface, a grinding wheel with a spherical surface or an arc-shaped surface is used to adapt to the spherical surface or the part of the spherical surface on the workpiece so as to grind the spherical surface on the workpiece.
The ball valve is one of the valves widely used, has reliable sealing, simple structure and convenient maintenance, and the sealing surface and the ball body are always in a closed state and are not easy to be eroded by a medium, thereby being widely used in the industries of petroleum, chemical industry, metallurgy and the like. The ball core is an important structure of the ball valve, and a grinding process is usually required when the ball core is processed. When grinding the ball core, a grinding wheel with a working surface with a proper circular diameter is selected to grind the spherical surface of the ball core. Chinese patent publication No. CN111113198B discloses a ball grinding device for ball cores of ball valves, which can grind a plurality of ball cores in the prior art, but cannot adapt to the diameter and size of the ball cores, and cannot adjust the grinding speed according to the size of the ball cores, which affects the processing efficiency, and also does not meet the current theme of energy saving and environmental protection.
Disclosure of Invention
The invention provides grinding equipment for ball valve cores, which aims to solve the problem that the grinding equipment cannot be suitable for grinding the ball cores with different diameters.
The grinding equipment for the ball core of the ball valve adopts the following technical scheme: a grinding device for a ball valve core comprises a fixed cylinder, a frustum, a movable cylinder and a grinding device. The fixed cylinder is vertically arranged. The big end of the frustum is arranged downwards. The frustum is coaxially fixed in the fixed cylinder. The upper end of the frustum is provided with a vertically arranged ground rotating shaft. The rotating shaft is rotatably arranged on the frustum. The movable cylinder is coaxially arranged in the fixed cylinder and is arranged outside the frustum. The movable cylinder is mounted on the fixed cylinder in a vertically sliding manner. The grinding device is arranged between the frustum and the movable cylinder and comprises a positioning structure, a grinding sheet, an adjusting structure and a clinging structure.
The positioning structure comprises a support frame, a grinding seat, a synchronous rod, a fastening piece and a self-rotating wheel. The supporting frame is arranged on the rotating shaft in a way of sliding up and down along the conical surface of the frustum. The grinding seat is arranged between the frustum and the movable cylinder, is cylindrical and is rotatably arranged on the support frame. The synchronous rod is a telescopic rod, one end of the synchronous rod is fixed on the support frame, and the other end of the synchronous rod is arranged on the movable cylinder in a sliding mode along the circumferential direction of the movable cylinder. The fastener is arranged on the grinding seat and used for fastening the ball core on the grinding seat.
The self-rotating wheel is a cone wheel with the small end facing downwards, is arranged on the lower side of the mounting plate and is fixedly connected to the center of the grinding seat. The conical surface of the self-rotating wheel is in friction fit with the conical surface of the frustum. The grinding sheets are arranged in a plurality of numbers and are uniformly distributed along the circumferential direction of the movable cylinder. The grinding sheet is an elastic arc-shaped plate. The middle part of the grinding sheet is fixed on the inner wall of the movable cylinder. The adjusting structure is used for adjusting the distance between the grinding seat and the movable cylinder according to the diameter of the ball core so as to enable the ball core to be abutted to the grinding sheet. The sticking structure is arranged between the grinding sheet and the movable cylinder and used for driving the grinding sheet to bend to stick to the ball core when the ball core is butted with the grinding sheet.
Furthermore, a sliding groove and a limiting rod are arranged on the rotating shaft. A sliding block is arranged in the sliding groove in a sliding way. A compression spring is connected between the slide block and the inner wall of the sliding groove. A slide bar is arranged on the slide block. The slide bar radially sets up along the pivot, and one end fixed mounting is on the slider, and the other end passes the pivot setting. The limiting rod is arranged between the frustum and the sliding rod along the radial direction of the rotating shaft. The limiting rod is fixedly arranged at the lower end of the rotating shaft. The bracket comprises a matching plate and a mounting plate. The matching plate is arranged up and down along the conical surface of the frustum, and one end, far away from the rotating shaft, of the limiting rod is slidably arranged on the matching plate. The upper end of the matching plate is slidably arranged on the sliding rod. The mounting panel sets up horizontally between frustum and grinding piece, one end and cooperation board lower extreme fixed connection, other end and synchronizing bar fixed connection.
Furthermore, the adjusting structure is arranged on the rotating shaft and comprises an adjusting thread and an adjusting nut. The adjusting screw thread is arranged on the peripheral wall of the rotating shaft. The adjusting nut is arranged above the sliding block. The adjusting nut is sleeved on the rotating shaft and is in threaded fit with the adjusting thread, and the lower end of the adjusting nut is pressed on the sliding rod in a propping mode.
Further, the fastener includes a top piece and a first electromagnet. The kicking blocks are provided with a plurality of, and the annular equipartition is on the grinding seat. The ejector block is installed on the grinding seat in a sliding mode along the radial direction of the grinding seat. The top block is fixed with a first magnetic pole. The first electromagnet is fixed on the grinding seat.
Furthermore, the two sticking structures are symmetrically arranged at the upper end and the lower end of the grinding sheet and comprise second electromagnets and second magnetic poles. The second electromagnet is arranged between the movable cylinder and the grinding sheet. The second electromagnet is fixed on the movable cylinder. The second magnetic pole is fixed on one side of the grinding sheet close to the movable cylinder.
Furthermore, the slide bar is equipped with a plurality ofly, along pivot circumference equipartition. The positioning structures are arranged in a plurality and correspond to the sliding rods one by one.
Further, the matching plate is rotatably provided with a ball. The ball is arranged between the matching plate and the frustum.
Furthermore, a T-shaped groove is arranged on the inner peripheral wall of the movable cylinder. One end of the synchronizing rod close to the movable cylinder is fixedly provided with a T-shaped block. The T-shaped block is slidably mounted in the T-shaped groove.
Further, the frustum is fixedly arranged at the lower end of the fixed cylinder through a connecting ring. The connecting ring is provided with a chip removal port. An air outlet pipe is arranged on the movable cylinder.
Furthermore, the lower end of the rotating shaft is provided with a motor. The motor is fixed on the frustum, and the motor output shaft is fixedly connected with the rotating shaft.
The invention has the beneficial effects that: will wait to process the ball core through the fastener and fix on the grinding seat, then adjust the height of strut according to the ball core diameter through adjusting the structure, with the interval between adjusting grinding seat and the activity section of thick bamboo, until making the ball core and grinding piece butt, paste tight structure and order about the crooked ball core in order to laminate of grinding piece, the drive pivot drives the strut and rotates, so that wait to process the ball core and revolute around the axle, and simultaneously, frustum drive autorotation wheel rotates, carry out the rotation with ordering about waiting to process the ball core, carry out the grinding with the ball core that the realization can adapt to different diameters.
Further, when the diameter of the ball core is larger, the larger the area of the spherical surface required to be ground by the same angle of rotation is, under the condition that the ball core is driven by the rotating shaft to revolve at the same speed, when the diameter of the ball core is larger, the lower the rotating speed of the rotating wheel driven by the frustum is, so that the spherical surface required to be ground by the same angle of rotation is ground more fully, incomplete grinding of the spherical surface required to be ground by the same angle of rotation due to over-high speed of rotation is avoided, the whole grinding time of the ball core is shortened, the grinding speed is adjusted according to the diameter of the ball core, the processing efficiency is improved, and the energy-saving and environment-friendly effects are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a grinding apparatus for a ball valve core according to the present invention;
FIG. 2 is a schematic structural view of a movable barrel and an adjustment structure of an embodiment of the present invention;
FIG. 3 is a schematic structural view of a bracket, a synchronizing bar and a fastener of an embodiment of the present invention;
FIG. 4 is a partial cross-sectional view of an embodiment of the present invention;
FIG. 5 is a cross-sectional view of an embodiment of the present invention;
fig. 6 is an enlarged view of a portion a in fig. 5.
In the figure: 100. a fixed cylinder; 110. a motor; 200. a frustum; 210. a chip removal port; 300. a rotating shaft; 310. a chute; 320. a limiting rod; 330. a slide bar; 340. a compression spring; 500. a movable barrel; 510. an air outlet pipe; 600. a positioning structure; 610. a support frame; 611. a mating plate; 612. mounting a plate; 620. grinding the base; 630. a synchronization lever; 640. a top block; 650. a self-rotating wheel; 660. grinding the slices; 710. adjusting the nut; 810. a second electromagnet; 820. a second magnetic pole; 900. a ball core.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the grinding device for the ball valve core of the ball valve is shown in fig. 1 to 6: a grinding device for a ball valve core comprises a fixed cylinder 100, a frustum 200, a movable cylinder 500 and a grinding device. The fixed cylinder 100 is vertically arranged, and a support leg is fixedly installed at the lower end. The large end of the frustum 200 is arranged downwards. The frustum 200 is coaxially fixed in the fixed cylinder 100. The upper end of the frustum 200 is provided with a vertically arranged ground rotating shaft 300. The rotating shaft 300 is rotatably installed on the frustum 200. The movable cylinder 500 is coaxially provided inside the fixed cylinder 100 and outside the frustum 200. The movable cylinder 500 is slidably mounted on the fixed cylinder 100 up and down. The grinding device is arranged between the frustum 200 and the movable cylinder 500 and comprises a positioning structure 600, a grinding sheet 660, an adjusting structure and a clinging structure.
The locating structure 600 includes a bracket 610, a grinding seat 620, a synchronizing bar 630, fasteners, and a spinning wheel 650. The bracket 610 is slidably disposed on the shaft 300 along the conical surface of the frustum 200. The grinding seat 620 is arranged between the frustum 200 and the movable cylinder 500, and the grinding seat 620 is cylindrical and is rotatably arranged on the support frame 610. The synchronous rod 630 is a telescopic rod, one end of which is fixed on the support frame 610, and the other end of which is slidably installed on the movable cylinder 500 along the circumferential direction of the movable cylinder 500. Fasteners are provided on grinding block 620 for fastening core 900 to grinding block 620.
The spinning wheel 650 is a cone wheel with a small end facing downwards, is arranged on the lower side of the mounting plate 612, and is fixedly connected to the center of the grinding seat 620. The conical surface of the self-rotating wheel 650 is in friction fit with the conical surface of the frustum 200. The plurality of grinding sheets 660 are uniformly distributed along the circumference of the movable cylinder 500. The grinding sheet 660 is a flexible arc plate. The middle part of the grinding plate 660 is fixed on the inner wall of the movable cylinder 500. The adjusting structure is used for adjusting the distance between the grinding seat 620 and the movable cylinder 500 according to the diameter of the ball core 900, so that the ball core 900 is abutted to the grinding sheet 660. The clinging structure is arranged between the grinding sheet 660 and the movable barrel 500 and used for driving the grinding sheet 660 to bend to be attached to the ball core 900 when the ball core 900 is abutted against the grinding sheet 660, the ball core 900 to be processed is fixed on the grinding seat 620 through a fastener, then the height of the support frame 610 is adjusted through the adjusting structure according to the diameter of the ball core 900, the distance between the grinding seat 620 and the movable barrel 500 is adjusted, until the ball core 900 is abutted against the grinding sheet 660, the clinging structure drives the grinding sheet 660 to bend to be attached to the ball core 900, the driving rotating shaft 300 drives the support frame 610 to rotate, so that the ball core 900 to be processed revolves around the rotating shaft 300, meanwhile, the cone table 200 drives the autorotation wheel 650 to rotate, so that the ball core 900 to be processed can autorotate, and the ball core 900 capable of being adapted to different diameters can be ground.
In this embodiment, the rotating shaft 300 is provided with a sliding groove 310 and a limiting rod 320. A slider is slidably mounted in the sliding slot 310. A compression spring 340 is connected between the slide block and the inner wall of the slide groove 310. A sliding rod 330 is arranged on the sliding block. The sliding rod 330 is radially disposed along the rotating shaft 300, one end of the sliding rod is fixedly mounted on the sliding block, and the other end of the sliding rod passes through the rotating shaft 300. The limiting rod 320 is disposed between the frustum 200 and the sliding rod 330 along the radial direction of the rotating shaft 300. The limiting rod 320 is fixedly installed at the lower end of the rotating shaft 300. The bracket 610 includes a mating plate 611 and a mounting plate 612. The matching plate 611 is arranged up and down along the conical surface of the frustum 200, and one end of the limiting rod 320 far away from the rotating shaft 300 is slidably mounted on the matching plate 611. The upper end of the fitting plate 611 is slidably mounted on the sliding rod 330. The mounting plate 612 is horizontally arranged between the frustum 200 and the grinding sheet 660, one end of the mounting plate 612 is fixedly connected with the lower end of the matching plate 611, and the other end of the mounting plate 612 is fixedly connected with the synchronizing rod 630, so that the mounting plate 612 drives the movable cylinder 500 through the synchronizing rod 630 to drive the grinding sheet 660 to synchronously move up and down along with the ball core 900.
In the present embodiment, the adjusting structure is provided on the rotating shaft 300, and includes an adjusting screw and an adjusting nut 710. The adjusting screw is provided on the outer circumferential wall of the rotation shaft 300. An adjustment nut 710 is provided above the slide. The adjusting nut 710 is sleeved on the rotating shaft 300 and is in threaded fit with the adjusting threads, the lower end of the adjusting nut 710 is pressed against the sliding rod 330, and the adjusting nut 710 is twisted to drive the sliding block to slide in the sliding groove 310 through the sliding rod 330, so as to drive the fitting plate 611 to move up and down along the conical surface of the frustum 200, and thus the mounting plate 612 drives the ball core 900 to move between the frustum 200 and the movable barrel 500.
In this embodiment, the fastener includes a top block 640 and a first electromagnet. The jacking blocks 640 are arranged in a plurality and are annularly and uniformly distributed on the grinding seat 620. The top block 640 is slidably mounted on the grinding block 620 in a radial direction along the grinding block 620. The top block 640 has a first magnetic pole fixed thereto. A first electromagnet is secured to grinding block 620 for positioning the top block 640 in the through hole in the core 900 when the core 900 is placed on the grinding block 620, activating the first electromagnet to produce a magnetic polarity opposite the first magnetic polarity to drive the top blocks 640 away from each other and secure the core 900 to the grinding block 620.
In this embodiment, two attaching structures are provided, and are symmetrically provided at the upper and lower ends of the grinding sheet 660, and include the second electromagnet 810 and the second magnetic pole 820. A second electromagnet 810 is provided between the movable barrel 500 and the grinding plate 660. The second electromagnet 810 is fixed to the movable cylinder 500. The second magnetic pole 820 is fixed on one side of the grinding sheet 660 close to the movable cylinder 500, and is used for starting the second electromagnet 810 and driving the upper end and the lower end of the grinding sheet 660 to be far away from the movable cylinder 500 through the second magnetic pole 820 by controlling the magnetic force of the second electromagnet 810 when the ball core 900 is abutted on the grinding sheet 660, and when the grinding sheet 660 is attached to the ball core 900, the magnetic force of the second electromagnet 810 is kept unchanged.
In this embodiment, the plurality of sliding rods 330 are uniformly distributed along the circumference of the rotating shaft 300. The positioning structure 600 is provided in plural, and corresponds to the sliding rod 330 one by one, for grinding a plurality of ball cores 900 at the same time.
In this embodiment, the fitting plate 611 has balls rotatably mounted thereon. Balls are provided between the fitting plate 611 and the frustum 200 for reducing friction between the fitting plate 611 and the frustum 200.
In this embodiment, the inner peripheral wall of the movable tube 500 is provided with a T-shaped groove. A T-shaped block is fixedly installed at one end of the synchronization lever 630 near the movable drum 500. The T-shaped block is slidably mounted in the T-shaped groove and used for enabling the movable cylinder 500 and the mounting plate 612 to synchronously move up and down.
In this embodiment, the frustum 200 is fixedly installed at the lower end of the fixed cylinder 100 through a connection ring. The connecting ring is provided with a scrap discharge opening 210. The movable barrel 500 is provided with an air outlet pipe 510 for blowing off the chips on the surface of the core 900 to the connection ring and discharging the chips through the chip outlet 210.
In this embodiment, the lower end of the rotating shaft 300 is provided with the motor 110. The motor 110 is fixed on the frustum 200, and an output shaft of the motor 110 is fixedly connected with the rotating shaft 300 and used for driving the rotating shaft 300 to rotate.
With the above embodiments, the usage principle and working process of the present invention are as follows: when the ball core grinding machine is used, the ball core 900 is placed on the grinding seat 620, the top block 640 is placed in the through hole in the ball core 900, the first electromagnet is started to generate magnetism opposite to the magnetism of the first magnetic pole to drive the top block 640 to be away from each other, the ball core 900 is fixed on the grinding seat 620, the adjusting nut 710 is twisted to drive the sliding block to slide in the sliding groove 310 through the sliding rod 330 to drive the matching plate 611 to move up and down along the conical surface of the frustum 200, the mounting plate 612 drives the ball core 900 to move between the frustum 200 and the movable cylinder 500, and meanwhile, the mounting plate 612 drives the movable cylinder 500 to drive the grinding sheets 660 to move up and down synchronously along with the ball core 900 through the synchronizing rod 630. Since the gap between the frustum 200 and the movable cylinder 500 is smaller at the bottom and larger at the top, when the matching plate 611 moves down, the mounting plate 612 is driven to drive the grinding seat 620 to approach the movable cylinder 500, and similarly, when the matching plate 611 moves up, the mounting plate 612 is driven to drive the grinding seat 620 to move away from the movable cylinder 500, and when the diameter of the ball core 900 is smaller, the adjusting nut 710 is twisted to move down, so that the grinding seat 620 drives the ball core 900 to approach the movable cylinder 500 until the ball core 900 abuts against the grinding sheet 660. At this time, the second electromagnet 810 is started, and the magnetic force of the second electromagnet 810 is controlled to drive the upper and lower ends of the grinding sheet 660 to be away from the movable cylinder 500 through the second magnetic pole 820, and when the grinding sheet 660 is attached to the spherical core 900, the magnetic force of the second electromagnet 810 remains unchanged. Then, the starting motor 110 drives the rotating shaft 300 to rotate, the rotating shaft 300 drives the matching plate 611 to rotate around the rotating shaft 300, and the matching plate 611 drives the grinding seat 620 to revolve around the rotating shaft 300 through the mounting plate 612. Meanwhile, the conical surface of the rotating wheel 650 and the conical surface of the frustum 200 are in friction fit, so that when the mounting plate 612 drives the rotating wheel 650 to revolve around the rotating shaft 300, the frustum 200 drives the rotating wheel 650 to drive the grinding seat 620 to rotate, and the grinding seat 620 drives the ball core 900 to rotate.
Further, as the diameter of the core 900 is larger, the area of the spherical surface to be ground for the same angle of rotation is larger. Under the condition that the rotating shaft 300 drives the ball core 900 to revolve at the same speed, when the diameter of the ball core 900 is larger, the diameter of the contact part of the frustum 200 and the autorotation wheel 650 is smaller, the rotation speed of the autorotation wheel 650 driven by the frustum 200 is slower, so that the spherical surface to be ground at the same autorotation angle is ground more fully, incomplete grinding of the spherical surface to be ground at the same autorotation angle due to over-fast autorotation is avoided, the whole grinding time of the ball core 900 is shortened, the grinding speed can be adjusted according to the diameter of the ball core 900, the processing efficiency is improved, and the energy conservation and environmental protection are realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an equipment of polishing for ball valve ball core which characterized in that: comprises a fixed cylinder, a frustum, a movable cylinder and a grinding device;
the fixed cylinder is vertically arranged;
the big end of the frustum is arranged downwards; the frustum is coaxially fixed in the fixed cylinder; the upper end of the frustum is provided with a vertically arranged ground rotating shaft; the rotating shaft is rotatably arranged on the frustum;
the movable cylinder is coaxially arranged in the fixed cylinder and is arranged outside the frustum; the movable cylinder is arranged on the fixed cylinder in a vertically sliding manner;
the grinding device is arranged between the frustum and the movable cylinder and comprises a positioning structure, a grinding sheet, an adjusting structure and a clinging structure;
the positioning structure comprises a support frame, a grinding seat, a synchronous rod, a fastening piece and a self-rotating wheel;
the supporting frame is arranged on the rotating shaft in a way of sliding up and down along the conical surface of the frustum;
the grinding seat is arranged between the frustum and the movable cylinder, is cylindrical and is rotatably arranged on the support frame;
the synchronous rod is a telescopic rod, one end of the synchronous rod is fixed on the support frame, and the other end of the synchronous rod is arranged on the movable cylinder in a sliding manner along the circumferential direction of the movable cylinder;
the fastener is arranged on the grinding seat and used for fastening the ball core on the grinding seat;
the self-rotating wheel is a cone wheel with a downward small end, is arranged on the lower side of the mounting plate and is fixedly connected to the center of the grinding seat; the conical surface of the self-rotating wheel is in friction fit with the conical surface of the frustum;
a plurality of grinding sheets are uniformly distributed along the circumferential direction of the movable cylinder; the grinding sheet is an elastic arc-shaped plate; the middle part of the grinding sheet is fixed on the inner wall of the movable cylinder;
the adjusting structure is used for adjusting the distance between the grinding seat and the movable cylinder according to the diameter of the ball core so as to enable the ball core to be abutted against the grinding sheet;
the sticking structure is arranged between the grinding sheet and the movable cylinder and is used for driving the grinding sheet to bend to stick to the ball core when the ball core is butted with the grinding sheet;
the rotating shaft is provided with a sliding chute and a limiting rod; a sliding block is arranged in the sliding groove in a sliding manner; a compression spring is connected between the sliding block and the inner wall of the sliding chute; a sliding rod is arranged on the sliding block; the sliding rod is arranged along the radial direction of the rotating shaft, one end of the sliding rod is fixedly arranged on the sliding block, and the other end of the sliding rod penetrates through the rotating shaft; the limiting rod is arranged between the frustum and the sliding rod along the radial direction of the rotating shaft; the limiting rod is fixedly arranged at the lower end of the rotating shaft;
the support frame comprises a matching plate and an installation plate;
the matching plate is arranged up and down along the conical surface of the frustum, and one end of the limiting rod, far away from the rotating shaft, is slidably arranged on the matching plate; the upper end of the matching plate is slidably arranged on the sliding rod;
the mounting plate is horizontally arranged between the frustum and the grinding sheet, one end of the mounting plate is fixedly connected with the lower end of the matching plate, and the other end of the mounting plate is fixedly connected with the synchronizing rod;
the adjusting structure is arranged on the rotating shaft and comprises an adjusting thread and an adjusting nut; the adjusting screw thread is arranged on the outer peripheral wall of the rotating shaft; the adjusting nut is arranged above the sliding block; the adjusting nut is sleeved on the rotating shaft and is in threaded fit with the adjusting threads, and the lower end of the adjusting nut is pressed on the sliding rod.
2. A grinding apparatus for a ball valve core according to claim 1, wherein: the fastener comprises a top block and a first electromagnet; a plurality of jacking blocks are annularly and uniformly distributed on the grinding seat; the ejector block is arranged on the grinding seat in a sliding mode along the radial direction of the grinding seat; a first magnetic pole is fixed on the top block; the first electromagnet is fixed on the grinding seat.
3. A grinding apparatus for a ball valve core according to claim 2, wherein: the two clinging structures are symmetrically arranged at the upper end and the lower end of the grinding sheet and comprise a second electromagnet and a second magnetic pole; the second electromagnet is arranged between the movable cylinder and the grinding sheet; the second electromagnet is fixed on the movable cylinder; the second magnetic pole is fixed on one side of the grinding sheet close to the movable cylinder.
4. A grinding apparatus for a ball valve core according to claim 3, wherein: a plurality of slide bars are uniformly distributed along the circumferential direction of the rotating shaft; the positioning structures are arranged in a plurality and correspond to the sliding rods one by one.
5. A grinding apparatus for a ball valve core according to claim 4, wherein: the matching plate is rotatably provided with a ball; the ball is arranged between the matching plate and the frustum.
6. A grinding apparatus for a ball valve core according to claim 1, wherein: the inner peripheral wall of the movable cylinder is provided with a T-shaped groove; one end of the synchronizing rod close to the movable cylinder is fixedly provided with a T-shaped block; the T-shaped block is slidably mounted in the T-shaped groove.
7. A grinding apparatus for a ball valve core according to claim 1, wherein: the frustum is fixedly arranged at the lower end of the fixed cylinder through a connecting ring; the connecting ring is provided with a chip removal port; an air outlet pipe is arranged on the movable cylinder.
8. A grinding apparatus for a ball valve core according to claim 1, wherein: the lower end of the rotating shaft is provided with a motor; the motor is fixed on the frustum, and the motor output shaft is fixedly connected with the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211092696.6A CN115194606B (en) | 2022-09-08 | 2022-09-08 | A equipment of polishing for ball valve ball core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211092696.6A CN115194606B (en) | 2022-09-08 | 2022-09-08 | A equipment of polishing for ball valve ball core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115194606A CN115194606A (en) | 2022-10-18 |
| CN115194606B true CN115194606B (en) | 2023-01-31 |
Family
ID=83572800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211092696.6A Active CN115194606B (en) | 2022-09-08 | 2022-09-08 | A equipment of polishing for ball valve ball core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115194606B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116572120B (en) * | 2023-07-12 | 2023-09-15 | 晋宁腾锐光学仪器工贸有限公司 | Automatic centre gripping formula optical glass grinding device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102387844A (en) * | 2009-04-09 | 2012-03-21 | 沈相培 | Apparatus for treating surface of game balls |
| CN104942676A (en) * | 2015-07-13 | 2015-09-30 | 侯灿伟 | Linked grinding device capable of machining multiple round stone balls simultaneously |
| CN204725274U (en) * | 2015-07-13 | 2015-10-28 | 侯灿伟 | A kind of interlock sanding apparatus simultaneously processing multiple circular stone ball |
| CN111113198A (en) * | 2020-01-02 | 2020-05-08 | 温州大学瓯江学院 | A spherical grinding device for the ball core of a ball valve |
| CN212735312U (en) * | 2020-07-20 | 2021-03-19 | 新昌县华深轴承有限公司 | Bearing grinding machine |
| CN113601381A (en) * | 2021-08-10 | 2021-11-05 | 哈尔滨工业大学 | Multi-driving device for polishing surface of large-size ceramic ball |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112006003741T5 (en) * | 2006-02-10 | 2008-12-11 | Shim, Sang-Bae, Namyangju | Bowling ball surface treatment device |
| CN209335365U (en) * | 2018-11-16 | 2019-09-03 | 青岛海诺铸业有限公司 | A kind of rotation polishing station |
-
2022
- 2022-09-08 CN CN202211092696.6A patent/CN115194606B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102387844A (en) * | 2009-04-09 | 2012-03-21 | 沈相培 | Apparatus for treating surface of game balls |
| CN104942676A (en) * | 2015-07-13 | 2015-09-30 | 侯灿伟 | Linked grinding device capable of machining multiple round stone balls simultaneously |
| CN204725274U (en) * | 2015-07-13 | 2015-10-28 | 侯灿伟 | A kind of interlock sanding apparatus simultaneously processing multiple circular stone ball |
| CN111113198A (en) * | 2020-01-02 | 2020-05-08 | 温州大学瓯江学院 | A spherical grinding device for the ball core of a ball valve |
| CN212735312U (en) * | 2020-07-20 | 2021-03-19 | 新昌县华深轴承有限公司 | Bearing grinding machine |
| CN113601381A (en) * | 2021-08-10 | 2021-11-05 | 哈尔滨工业大学 | Multi-driving device for polishing surface of large-size ceramic ball |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115194606A (en) | 2022-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209335351U (en) | A kind of multiple-station rotation polissoir | |
| CN115194606B (en) | A equipment of polishing for ball valve ball core | |
| CN205734183U (en) | A kind of hand-held bend pipe inner surface buffing machine based on magnetic finishing | |
| CN109483380A (en) | A kind of multistation sanding and polishing machine | |
| CN209717309U (en) | A kind of multistation burnishing device | |
| CN209335365U (en) | A kind of rotation polishing station | |
| CN110405638A (en) | A multi-station suspension tool for automatic mechanical processing sandblasting equipment | |
| CN207593420U (en) | A kind of bearing inner race grinder automatic loading and unloading device | |
| CN113732843A (en) | Brake disc grinding device | |
| CN112497036A (en) | Bearing ring polishing device | |
| CN203292978U (en) | Lens polishing machine | |
| CN214186607U (en) | Self-centering inner circle grinding device | |
| CN204673379U (en) | A kind of stainless steel cylinder polishing wire drawing machine | |
| CN201227765Y (en) | Air gap grinding attachment | |
| CN112496952B (en) | Automatic grinding device for valve and valve plug of aircraft shimmy damper | |
| CN201693120U (en) | Pincers fixed plate for rotary riveting machine | |
| CN116604423A (en) | Dining table panel fillet polisher | |
| CN206105592U (en) | Automatic polishing machine | |
| CN115890359A (en) | Deep hole drill bit processing equipment | |
| CN108581805A (en) | Inner wall mechanism is thrown in the handstand of throwing machine in rotating disc type | |
| CN206316904U (en) | A kind of machine for polishing inner wall of barrel body | |
| CN212858903U (en) | Numerical control cylindrical grinder grinds frock for cutter production | |
| CN208528704U (en) | Circular slab periphery grinding device | |
| CN220362413U (en) | Magnetic core clamping device of grinding machine | |
| CN201389794Y (en) | Swing type inner wall-burnishing machine |
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 |