CN119217035A

CN119217035A - Automatic nut-sleeving mechanism for pipe fittings

Info

Publication number: CN119217035A
Application number: CN202411674635.XA
Authority: CN
Inventors: 李响; 曾庆新
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2024-11-21
Filing date: 2024-11-21
Publication date: 2024-12-31

Abstract

The invention provides an automatic nut sleeving mechanism for a pipe fitting, which comprises a feeding part, a copper pipe conveying part, a positioning and clamping part and a nut sleeving part, wherein the feeding part is provided with a trough capable of accommodating a row of nuts and can drive the nuts to move along the trough towards a discharge end of the trough, the copper pipe conveying part is used for conveying copper pipes, the positioning and clamping part is positioned on a conveying path of the copper pipes to form copper pipe sleeving positions and is used for clamping the copper pipes conveyed to the copper pipe sleeving positions, and the nut sleeving part is used for taking out the nuts from the discharge end of the feeding part and sleeving the nuts on the copper pipes in the copper pipe sleeving positions. The nut sleeving device controls the feeding of nuts one by one through the feeding part, fixes the copper pipe needing to be sleeved with the nuts at the copper pipe sleeving position through the positioning and clamping part, grabs one nut in the feeding part through the nut sleeving part, moves the nut to the corresponding position of the copper pipe to align, and the nut is sleeved on the copper pipe by pushing the cylinder, so that manual operation can be replaced, and the nut can be automatically sleeved on the copper pipe.

Description

Automatic nut sleeving mechanism for pipe fitting

Technical Field

The invention relates to the technical field of air conditioner manufacturing, in particular to an automatic nut sleeving mechanism for a pipe fitting.

Background

In the manufacturing process of an air conditioner, the connection mode of a copper pipe and a nut is a common and important ring, and particularly in a plurality of working procedures, the connection quality directly influences the stability and the service life of an air conditioning system. In most applications, the air conditioning connection copper tube is made by a nut connection, which requires that the copper tube and nut must be precisely fit together to form a secure connection assembly. In order to ensure the connection reliability and tightness, the copper pipe and the nut must be matched with each other with high precision.

However, most current production modes still rely on manual operations. In the manual operation, a worker firstly needs to manually sleeve the copper pipe and the nut, and then enters the next working procedure. Although this method is feasible in small-volume production, in a large-scale production environment, manual operation is not only inefficient, but also quality fluctuations are liable to occur. With the rapid development and technological advancement of automated production lines, conventional manual modes of operation have revealed a number of drawbacks.

Therefore, there is an urgent need for an automatic pipe fitting nut sleeving mechanism suitable for automatic production in a production line.

Disclosure of Invention

The invention provides an automatic nut sleeving mechanism for a pipe fitting, which aims to solve the technical problem that in the prior art, the sleeving efficiency of a copper pipe and a nut is low.

The technical scheme adopted by the invention is as follows:

The invention provides an automatic nut sleeving mechanism for a pipe fitting, which comprises the following components:

the feeding component is provided with a trough capable of accommodating one row of nuts and can drive the nuts to move along the trough to the discharge end of the trough;

a copper pipe transfer part for transferring copper pipes;

the positioning and clamping component is positioned on the conveying path of the copper pipe to form a copper pipe sleeving position and is used for clamping the copper pipe conveyed to the copper pipe sleeving position;

and the nut sleeving part is used for taking out the nut from the discharge end of the feeding part and sleeving the nut on the copper pipe at the copper pipe sleeving position.

Specifically, the feeding part includes:

The trough blocks are provided with trough grooves penetrating through two ends, and the trough blocks are obliquely arranged so that the discharge ends of the trough grooves are lower than the feed ends;

and the feeding device is communicated with the feeding end of the trough block and is used for conveying nuts to the trough block.

The feeding component further comprises a material limiting component, wherein the material limiting component is arranged close to the discharge end of the trough block and used for limiting nuts reaching the material limiting position, and when the nuts at the material limiting position are taken out by the nut sleeving component and the nut sleeving component blocks the discharge end again, the nuts at the material limiting position are released to enable the nuts at the material limiting position to move to the material taking position.

Furthermore, the trough block is provided with a material taking notch on the trough wall corresponding to the material taking position, and a material limiting hole is arranged on the trough wall corresponding to the material limiting position, so that the material limiting assembly can be inserted into the trough through the material limiting hole.

Specifically, the sleeve nut member includes:

one end of the nut positioning rod can pass through the nut;

The pushing block comprises a transverse plate and a vertical plate which are connected, and the transverse plate is provided with a through hole which can pass through the nut positioning rod;

the nut sleeving driving assembly can drive the screw positioning rod to transversely translate to the position vertical to the side face of the discharge end of the trough, synchronously drive the vertical plate of the pushing block to block the discharge end of the trough, drive the screw positioning rod to longitudinally move to pass through the nut at the discharge end of the trough, then drive the screw positioning rod to transversely translate to be opposite to the copper pipe sleeved with the copper pipe, synchronously drive the nut positioning rod to longitudinally move with the pushing block until the nut positioning rod contacts with the copper pipe, and independently drive the pushing block to enable the transverse plate of the pushing block to push the nut on the nut positioning rod to the copper pipe.

Further, the sleeve nut driving assembly includes:

the first mounting plate is provided with a transverse moving guide rail group parallel to the conveying direction of the copper pipe and a transverse air cylinder assembly;

The second mounting plate is slidably mounted on the transverse moving guide rail group and can be driven to move by the transverse air cylinder assembly, and the longitudinal air cylinder assembly and the longitudinal moving guide rail group are mounted on the second mounting plate;

The third mounting plate is slidably mounted on the longitudinally movable guide rail group and can be driven by the longitudinal air cylinder assembly to move, the third mounting plate is provided with a positioning air cylinder assembly and a pushing air cylinder assembly, the driving directions of the positioning air cylinder assembly and the pushing air cylinder assembly are both longitudinally driven, the nut positioning rod is connected with the driving end of the positioning air cylinder assembly, and the pushing block is connected with the driving end of the pushing air cylinder assembly.

Further, the side of third mounting panel is equipped with the third cylinder connecting block, the drive end of vertical cylinder subassembly with the third cylinder connecting block is connected, be equipped with the opening on the first mounting panel, the back of second mounting panel is equipped with and passes open-ended second cylinder connecting block, horizontal cylinder subassembly installs the back of first mounting panel, horizontal movable guide rail group installs the front of first mounting panel.

Further, the positioning air cylinder assembly and the pushing air cylinder assembly are arranged on the third mounting plate side by side.

The positioning and clamping component comprises a positioning and clamping supporting plate, a positioning and clamping cylinder arranged on the vertical side surface of the positioning and clamping supporting plate, two rotating rods and clamping fingers respectively arranged on the rotating rods, wherein each clamping finger is provided with a semicircular notch, and when the cylinder drives the two rotating rods to rotate upwards to a vertical position, the two rotating rods drive the two clamping fingers to clamp a copper pipe at positions symmetrical to the semicircular notches.

Further, the positioning and clamping component and the sleeve nut component are mounted on the same bottom plate.

Compared with the prior art, the invention has the following advantages:

the nut sleeving device controls the feeding of nuts one by one through the feeding part, fixes the copper pipe needing to be sleeved with the nuts at the copper pipe sleeving position through the positioning and clamping part, grabs one nut in the feeding part through the nut sleeving part, moves the nut to the corresponding position of the copper pipe to align, and the nut is sleeved on the copper pipe by pushing the cylinder, so that manual operation can be replaced, and the nut can be automatically sleeved on the copper pipe.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a plan view block diagram of an embodiment of the present invention;

FIG. 3 is a perspective view of a feeding mechanism according to an embodiment of the present invention;

FIG. 4 is a plan view of a feed mechanism in accordance with an embodiment of the present invention;

FIG. 5 is a perspective view of a feed mechanism including a nut in an embodiment of the invention;

FIG. 6 is a plan view of a feed mechanism including a nut in accordance with an embodiment of the present invention;

FIG. 7 is a perspective view of a cage nut assembly which is an embodiment of the present invention;

FIG. 8 is a plan view of the cage nut assembly in accordance with the embodiment of the present invention;

FIG. 9 is a plan view of a positioning and clamping member in accordance with an embodiment of the present invention;

1. A feed member;

11. A trough block; 12 parts of a material limiting motor, 13 parts of a material limiting cylinder mounting plate, 14 parts of a material limiting mounting plate, 15 parts of a bushing, 16 parts of a push rod, 111 parts of a material taking notch;

2. copper pipe conveying components;

3. positioning the clamping component;

31. positioning and clamping support plates, 32, positioning and clamping cylinders, 33, rotating rods, 34 and clamping fingers;

4. a sleeve nut member;

41. a first mounting plate 411, a transverse moving guide rail set 412, a transverse cylinder assembly;

42. the second mounting plate 421, the longitudinally movable guide rail group 422, the longitudinal cylinder component 423 and the second cylinder connecting block;

43. The third mounting plate 431, the positioning cylinder assembly 432, the pushing cylinder assembly 433 and the third cylinder connecting block;

44. the nut positioning rod, 45, the pushing block, 46, the supporting block;

5. Copper pipe;

6. A nut;

7. A bottom plate.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The principles and structures of the present invention are described in detail below with reference to the drawings and the examples.

Most current production modes still rely on manual operations. In the manual operation, a worker firstly needs to manually sleeve the copper pipe and the nut, and then enters the next working procedure. Although this method is feasible in small-volume production, in a large-scale production environment, manual operation is not only inefficient, but also quality fluctuations are liable to occur. With the rapid development and technological advancement of automated production lines, conventional manual modes of operation have revealed a number of drawbacks.

In this regard, as shown in fig. 1 and 2, the invention provides an automatic nut sleeving mechanism for a pipe fitting, in particular a copper pipe, namely, a nut 6 is automatically sleeved on a copper pipe 5, and the automatic nut sleeving mechanism specifically comprises a feeding part 1, a copper pipe conveying part 2, a positioning and clamping part 3 and a nut sleeving part 4, and further comprises a control module for controlling all the parts. The copper pipe conveying device comprises a feeding part 1, a copper pipe conveying part 2, a positioning clamping part 3 and a copper pipe clamping part 3, wherein the feeding part 1 is used for conveying a nut 6 to be sleeved, a trough is arranged on the nut 6, the width of the trough is slightly larger than the thickness of the nut 6, so that the nut 6 can be vertically aligned in the trough, meanwhile, the feeding part 1 can drive the nut 6 to move towards the discharging end of the trough, the copper pipe conveying part 2 is provided with a conveying belt and is used for conveying copper pipes 5 along the transverse direction, the copper pipes 5 are placed on the conveying belt at intervals in parallel, the axial direction of the copper pipes 5 is vertical to the conveying direction, the positioning clamping part 3 is arranged on the side edge of the copper pipe conveying part 2, namely, the position of the copper pipes 5 is a copper pipe sleeving position, when the copper pipes 5 transversely move to the copper pipe sleeving position along the conveying belt, the positioning clamping part 3 clamps the copper pipes 5, and after the copper pipes 5 are sleeved with the nuts 6, the positioning clamping part 3 loosens the copper pipes 5, so that the copper pipes 5 sleeved with the copper pipes 6 can be continuously conveyed through the copper pipe conveying part 2. The nut sleeving part 4 can drive the nut 6 to move transversely and longitudinally, and can take out the nut 6 from the discharge end of the feeding part 1 and sleeve the nut on the copper pipe 5 at the copper pipe sleeving position.

According to the invention, the feeding part 1 is used for controlling the feeding of the nuts 6 one by one, the positioning and clamping part 3 is used for fixing the copper pipe 5 needing to be sleeved with the nuts 6 at the copper pipe sleeving position, the nut sleeving part 4 is used for grabbing one nut 6 in the feeding part 1 and moving the nut 6 to the corresponding position of the copper pipe 5 for alignment, and the nut 6 is sleeved on the copper pipe 5 by pushing the cylinder, so that manual operation can be replaced, and the nut 6 can be automatically sleeved on the copper pipe 5.

In a specific embodiment, as shown in fig. 3 to 6, the feeding component 1 comprises a trough block 11 and a feeding device, wherein the trough block 11 is of an elongated structure which is obliquely arranged, and a trough penetrating through two ends is arranged on the trough block, and is used for accommodating the nut 6 and ensuring that the nut 6 slides along the trough to a discharging end. The inclination angle of the trough block 11 is set according to actual needs to ensure that the nut 6 can reduce sliding resistance. The cross-sectional shape of the trough is designed according to the size and shape of the nuts 6, so that the nuts 6 can be arranged in a row in a stable state, and the situation of jamming or accumulation is avoided. The feeding device is arranged at the feeding end of the trough block 11 and is used for continuously and stably feeding the nuts 6 into the trough block 11. The feeding device can specifically comprise a vibration disc and a conveying channel, wherein the vibration disc is used for arranging the nuts 6 in order, and the conveying channel is connected with an outlet of the vibration disc, so that the arranged nuts 6 can enter the trough block 11 in a single-row mode. The vibration frequency and the channel width of the feeding device are adjustable so as to adapt to nuts 6 with different specifications, and the universality and the stability of the equipment are further improved.

Through the design, the feeding component 1 can realize automatic arrangement, stable feeding and smooth conveying of the nuts 6, ensures that the nuts 6 in the trough are always in a stable feeding state, and provides reliable support for the sleeve nut 6 operation of subsequent components. Meanwhile, the design can effectively avoid the problems of blockage, toppling and the like in the process of supplying the nut 6, and improves the overall operation efficiency and reliability of the equipment.

Further, the discharge end of the trough block 11 is provided with adjacent material taking positions and material limiting positions for realizing step-by-step conveying and material taking control of the nuts 6, wherein the material taking positions are positions for directly taking materials by the nut sleeving part 4, and the material limiting positions are used for temporarily storing the nuts 6 to be moved to the material taking positions so as to ensure the continuity and reliability of the feeding process.

The feeding part 1 further comprises a material limiting assembly, the material limiting assembly is arranged close to the discharge end of the trough block 11, and the material limiting assembly can specifically realize accurate control of the material limiting nut 6 through a mechanical baffle, a spring mechanism or an electromagnetic driving device. During normal operation, the material limiting assembly can keep the nuts 6 with material limiting positions in a blocking state, and the nuts 6 are prevented from sliding to the material taking positions at the same time, so that the nuts 6 are blocked or the material is taken erroneously. When the sleeve nut component 4 completes the material taking operation on the material taking nut 6 and blocks the material outlet end again, the material limiting component can briefly release the material limiting nut 6 to enable the material limiting nut to move to the material taking position, and the next operation is ready.

In addition, in order to ensure efficient operation of the material limiting assembly, the action of the material limiting assembly can also be coordinated by a sensor monitoring and control system. The sensor can detect whether nuts exist in the material taking level and the material limiting level in real time, and feed signals back to the control system to ensure that the nuts with the material limiting level are released at proper time. And the control system adjusts the action frequency and the intensity of the material limiting component according to the rhythm of material taking and releasing so as to adapt to the requirements of different working loads and production beats.

Through such design, the cooperation of silo piece 11 and limit material subassembly can realize the accurate control of nut supply in-process, has both avoided the clamping stagnation problem that a plurality of nuts slide simultaneously and has led to the fact, ensures again that the material level of getting is in the state that can supply to get the material all the time, has improved the continuity of cover nut 6 operation and the overall efficiency of equipment.

Specifically, the trough block 11 is provided with a material taking notch 111 on the trough wall corresponding to the material taking position. The material taking notch 111 has an opening structure, so that the nut sleeving part 4 can be in direct contact with the nut 6 on the material taking position during material taking. The material taking notch 111 is specifically two notches in a U shape, the opening of the U shape is opposite to the end of the material taking block, the nut 6 positioning rod 44 which conveniently passes through the nut 6 transversely moves away from the material taking end, and the material limiting hole is arranged on the material groove wall of the material groove block 11 corresponding to the material limiting position. The function of the material limiting hole is to provide a channel for the insertion of the material limiting assembly, so that the material limiting assembly can be precisely inserted into the trough and contacted with (or pass through) the nut 6 of the material limiting level.

Through the design of taking out breach 111 and limit material hole, the silo piece 11 has realized structurally to taking out the accurate subregion of position and limit material position, has both made things convenient for the operation of snatching of cover nut part 4 to the nut, has ensured the effective control of limit material subassembly to the nut again. The design not only improves the reliability of the whole operation of the equipment, but also optimizes the structural layout, so that the equipment is more compact and meets the requirements of various production environments.

It should be noted that, the size of the limiting hole and the width of the material taking notch 111 are slightly larger than or equal to the nut hole of the nut 6, so that the arrangement and sliding of the nuts 6 in the trough are not affected.

In a specific embodiment, the material limiting assembly is limited by adopting a cylinder mode, and specifically comprises a material limiting mounting plate 14, a material limiting cylinder mounting plate 13, a material limiting cylinder and a lining 15, wherein the material limiting mounting plate 14 is mounted on the side face of the trough block 11 and is provided with the lining 15, the lining 15 corresponds to a material limiting hole on the side face of the trough block 11, a push rod 16 of the lining can be inserted into the trough through the limiting hole, the material limiting cylinder mounting plate 13 is vertically mounted on the material limiting mounting plate 14, the material limiting cylinder is mounted on the material limiting cylinder mounting plate 13, a telescopic rod of the lining is connected with the push rod 16 of the lining 15, when the telescopic rod stretches out, the push rod 16 is driven to be inserted into the trough for limiting, and when the telescopic rod retracts, the push rod 16 is driven to exit the trough.

As shown in fig. 7 and 8, in particular, the sleeve nut component 4 comprises a nut positioning rod 44, a pushing block 45 and a sleeve nut driving assembly, and the components are matched with each other to realize the transportation of the nut 6 from the discharge end of the trough to the sleeve joint position of the copper pipe.

The outer diameter of one end of the nut positioning rod 44 is gradually reduced so as to conveniently pass through the nut 6 and stably fix the nut on the rod body. The pusher block 45 is composed of a cross plate and a vertical plate which are connected, wherein the cross plate is provided with a through hole, and the size of the through hole is matched with the diameter of the nut positioning rod 44, so that the nut positioning rod 44 can freely pass through the through hole. The function of the riser is to act as a baffle, and under the action of the sleeve nut drive assembly, the riser can block the discharge end of the chute to prevent the nut locating bar 44 from slipping out of the nut 6 in the chute before passing through the nut 6.

The sleeve nut drive assembly drives the nut positioning rod 44 and the pusher block 45 into precise compound motion. Specifically, the sleeve nut drive assembly includes a lateral drive mechanism and a longitudinal drive mechanism. The transverse driving mechanism can drive the nut positioning rod 44 to translate transversely, so that the nut positioning rod moves from an initial position vertical to the discharge end of the trough to a position opposite to the sleeving position of the copper pipe. The longitudinal driving mechanism is responsible for driving the nut positioning rod 44 to move up and down so as to complete the operation of penetrating through the nut 6 at the discharge end of the trough and butting with the copper pipe 5.

In the actual working process, the nut driving assembly drives the nut positioning rod 44 to transversely move to the side face of the discharge end of the trough, and meanwhile, the vertical plate of the pushing block 45 blocks the discharge end of the trough, so that the nuts 6 in the trough are ensured to be in a static state. Subsequently, the longitudinal driving mechanism drives the nut positioning rod 44 to pass through the nut 6 at the discharge end of the trough, so as to finish the preliminary positioning of the nut 6. Then, the nut driving assembly drives the nut positioning rod 44 to move transversely again so that the nut positioning rod is opposite to the copper pipe 5 at the copper pipe sleeving position. At this time, the longitudinal driving mechanism synchronously drives the nut positioning rod 44 and the pushing block 45 to move until the nut positioning rod 44 contacts the copper pipe 5, thereby completing the alignment action. Finally, the nut 6 is pushed onto the copper pipe 5 from the nut positioning rod 44 by independently driving the pushing block 45 to move longitudinally, thereby completing the operation of the whole set of nuts 6.

Through the design, the nut sleeving part 4 can efficiently realize automatic conveying, accurate positioning and stable installation of the nut 6, and greatly improves the operation efficiency and the product quality of the equipment. In addition, the precision matching of all the components further reduces errors in operation, so that the whole device is suitable for nuts 6 and copper pipes 5 with various specifications, and the applicability and flexibility of the equipment are enhanced.

In a further embodiment, the nut driving assembly specifically comprises a first mounting plate 41, a second mounting plate 42 and a third mounting plate 43, and accurate sliding fit and driving control are realized between the mounting plates through a guide rail and a cylinder assembly, so that the multi-dimensional moving operation of the nut 6 from the trough to the copper pipe 5 is completed.

The first mounting plate 41 is a basic supporting structure of the nut driving assembly, and is provided with a transverse moving guide rail group 411 parallel to the conveying direction of the copper pipe 5, and the transverse moving guide rail group is used for supporting and guiding the transverse movement of the second mounting plate 42. The first mounting plate 41 is also provided with a transverse air cylinder assembly 412, and the transverse air cylinder assembly 412 drives the second mounting plate 42 to slide on the transverse moving guide rail group 411 through air pressure adjustment, so that the nut positioning rod 44 and the copper pipe sleeve joint position are initially aligned.

The second mounting plate 42 is slidably mounted on the traverse guide 411, which serves as an intermediate transmission mechanism, and performs the task of linking the longitudinal driving and the traverse driving. A longitudinally movable rail group 421 and a longitudinal cylinder assembly 422 are mounted on the second mounting plate 42, the longitudinally movable rail group 421 providing sliding support in the longitudinal direction for the third mounting plate 43. The longitudinal air cylinder assembly 422 drives the third mounting plate 43 to move along the longitudinally moving rail set 421 by adjusting the driving air pressure.

The third mounting plate 43 is slidably mounted on a longitudinally movable rail set 421 on the second mounting plate 42 and is movable precisely in the longitudinal direction by a longitudinal cylinder assembly 422. The third mounting plate 43 is provided with a positioning cylinder assembly 431 and a pushing cylinder assembly 432, the driving direction of which is longitudinal. The driving end of the positioning cylinder assembly 431 is connected with the nut positioning rod 44, and the nut positioning rod 44 can be driven to move along the longitudinal direction, so that the nut positioning rod passes through the nut 6 at the discharge end of the trough and the accurate alignment with the copper pipe 5 is completed. The driving end of the pushing cylinder assembly 432 is connected with the pushing block 45, after the nut positioning rod 44 is aligned, the pushing cylinder assembly 432 drives the pushing block 45 to push the nut 6 from the nut positioning rod 44 to the copper pipe 5, the final action of sleeving the nut 6 is completed, specifically, the supporting block 46 is mounted on the third mounting plate 43, and the supporting block 46 is supported on the bottom surface of the pushing block 45, so that the pushing precision of the pushing block 45 is improved conveniently.

Through the cooperation of the first mounting plate, the second mounting plate and the third mounting plate, the sleeve nut driving assembly realizes the full-flow automatic operation from transverse movement and longitudinal positioning to pushing and mounting. The accurate matching of the guide rails and the cylinder components not only improves the operation precision and stability of the equipment, but also improves the working efficiency and reliability obviously.

In the sleeve nut driving assembly structure, a special third cylinder connecting block 433 is arranged on the side face of the third mounting plate 43, and the third cylinder connecting block 433 is connected with the driving end of the longitudinal cylinder assembly 422 and used for transmitting the driving force of the longitudinal cylinder assembly 422 to the third mounting plate 43 so that the third mounting plate 43 can finish accurate longitudinal movement along the longitudinal movement guide rail group 421.

The first mounting plate 41 is provided with an opening for accommodating movement of the second mounting plate 42. A second cylinder connection block 423, which is connected to the driving end of the lateral cylinder assembly 412, is installed at the rear surface of the second mounting plate 42 to pass through the opening of the first mounting plate 41. The transverse cylinder assembly 412 is mounted on the back of the first mounting plate 41, and the transverse moving guide rail group 411 is fixed on the front of the first mounting plate 41, so that the arrangement mode effectively utilizes the space layout, makes the equipment structure more compact, simultaneously separates the positions of the driving component and the guide rail component, and avoids the interference between the components, thereby improving the overall stability and the operation efficiency.

The positioning cylinder assembly 431 and the pushing cylinder assembly 432 are installed on the front surface of the third installation plate 43 side by side, so that the two cylinder assemblies can be independently driven. The driving end of the positioning cylinder assembly 431 is connected to the nut positioning rod 44, mainly for accurately positioning the nut 6 in the longitudinal direction. The driving end of the pushing cylinder assembly 432 is connected with the pushing block 45 for pushing the nut 6 onto the copper tube 5 after the positioning is completed. The design of installing side by side has not only simplified structural layout, has still reduced the drive interference, simultaneously for the maintenance and the maintenance of cylinder provide convenience.

Specifically, as shown in fig. 9, the positioning and clamping member 3 specifically includes a positioning and clamping support plate 31, a positioning and clamping cylinder 32, a rotating rod 33, and a clamping finger 34.

The positioning clamping support plate 31 is used as an integral support structure, the positioning clamping cylinder 32 is arranged on the vertical side face of the positioning clamping support plate 31, the cylinder is a power source for realizing clamping action, two rotating rods 33 are arranged on the upper portion of the positioning clamping cylinder 32, and the rotating rods 33 are fixed at the driving end of the cylinder through mechanical connection and can realize upward rotation along with the movement of the cylinder. When the cylinder pushes the rotary rods 33 upward, the two rotary rods 33 are respectively rotated upward about the respective axes, and finally the vertical position is reached. Each rotary rod 33 is provided with a clamping finger 34, and the shape of the clamping fingers 34 is specially designed so as to firmly clamp the copper pipe 5. The clamping fingers 34 are provided with semicircular notches, and the curvature of the notches is matched with the outer diameter of the copper pipe 5, so that the surface of the copper pipe 5 is attached and clamped. When the two rotating rods 33 rotate to the vertical position, the two clamping fingers 34 are symmetrically distributed, and semicircular notches of the two clamping fingers accurately surround two sides of the copper pipe 5 to clamp the copper pipe 5. The design can effectively prevent the copper pipe 5 from sliding or shifting in the operation process, and can not damage the surface of the copper pipe 5.

The whole clamping action is controlled by the positioning and clamping cylinder, the action process is stable, the clamping force is uniform, and the device is suitable for copper pipes with different specifications and materials. Through the structural design of the positioning and clamping part, the copper pipe is ensured to be always in an accurate position in the process of conveying and sleeving the nut, and the integral assembly precision and the automatic production stability are improved.

In a specific embodiment, the positioning and clamping component and the sleeve nut component are jointly installed on a bottom plate, wherein four support columns are arranged on the bottom surface of the first installation plate of the sleeve nut component, and the sleeve nut component is integrally lifted to form a compact and integrated working unit. The structural design not only optimizes the space layout of the equipment, but also enhances the cooperative work capacity among the components, and ensures the running stability and accuracy of the whole machine.

The specific control process is as follows:

When the control module controls the telescopic rod of the transverse air cylinder assembly to be in a retracted state, the pushing block leans against the discharging end of the trough block. When the control module controls the telescopic rod of the transverse air cylinder assembly to extend, the nut positioning rod is opposite to the copper pipe at the sleeving position of the copper pipe.

The telescopic rod of the longitudinal cylinder assembly drives the nut positioning rod to extend out, so that the nut positioning rod is contacted with the copper pipe at the sleeving position of the copper pipe. Then the telescopic rod of the pushing cylinder assembly stretches out to drive the pushing block to push out, after the action is completed, the telescopic rod of the pushing cylinder assembly is controlled to retract, the telescopic rod of the positioning cylinder assembly is controlled to retract, the telescopic rod of the longitudinal cylinder assembly is controlled to retract, and finally the telescopic rod of the transverse cylinder assembly is controlled to retract, so that respective corresponding mechanisms are driven to be in an initial state, and the action is repeated subsequently, so that continuous automatic nut taking and nut sleeving are realized.

It is noted that the above-mentioned terms are used merely to describe specific embodiments, and are not intended to limit exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of the present invention, and the azimuth terms "inside and outside" refer to inside and outside with respect to the outline of each component itself.

Spatially relative terms, such as "above," "upper" and "upper surface," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the process is carried out, the exemplary term "above" may be included. Upper and lower. Two orientations below. The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

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

1. An automatic nut sleeving mechanism for a pipe fitting, comprising:

a copper pipe transfer part for transferring copper pipes;

2. The automatic pipe fitting nut stem mechanism of claim 1, wherein said feed member comprises:

3. The automatic pipe fitting nut sleeving mechanism according to claim 2, wherein the material outlet end of the material groove block is provided with adjacent material taking position and material limiting position, and the material feeding component further comprises a material limiting component which is arranged close to the material outlet end of the material groove block and used for limiting nuts reaching the material limiting position, and when the nuts reaching the material limiting position are taken out by the nut sleeving component, and the nut sleeving component blocks the material outlet end again, the nuts limiting the material position are released, so that the nuts limiting the material position can be moved to the material taking position.

4. The automatic pipe fitting nut sleeving mechanism according to claim 3, wherein the material groove block is provided with a material taking notch on a material groove wall corresponding to the material taking position, and a material limiting hole is formed on the material groove wall corresponding to the material limiting position, so that the material limiting assembly can be inserted into the material groove through the material limiting hole.

5. The automatic pipe fitting nut sleeving mechanism of claim 1, wherein said nut sleeving member comprises:

one end of the nut positioning rod can pass through the nut;

6. The automatic tube nut sleeving mechanism of claim 5, wherein the nut sleeving drive assembly comprises:

7. The automatic pipe fitting nut sleeving mechanism according to claim 6, wherein a third cylinder connecting block is arranged on the side face of the third mounting plate, the driving end of the longitudinal cylinder assembly is connected with the third cylinder connecting block, an opening is formed in the first mounting plate, a second cylinder connecting block penetrating through the opening is formed in the back face of the second mounting plate, the transverse cylinder assembly is mounted on the back face of the first mounting plate, and the transverse moving guide rail group is mounted on the front face of the first mounting plate.

8. The automatic pipe fitting nut mechanism of claim 6, wherein said positioning cylinder assembly and said pushing cylinder assembly are mounted side by side on said third mounting plate.

9. The automatic nut sleeving mechanism for the pipe fitting according to claim 1, wherein the positioning and clamping component comprises a positioning and clamping supporting plate, a positioning and clamping cylinder arranged on the vertical side surface of the positioning and clamping supporting plate, two rotating rods and clamping fingers respectively arranged on the rotating rods, a semicircular notch is arranged on each clamping finger, and when the cylinder drives the two rotating rods to rotate upwards to a vertical position, the two rotating rods drive the two clamping fingers to clamp a copper pipe at positions symmetrical to the semicircular notch.

10. The automatic pipe fitting nut sleeving mechanism of claim 1, wherein said positioning clamping member and said nut sleeving member are mounted on the same base plate.