CN217513054U

CN217513054U - Pipe fitting follow-up fixture

Info

Publication number: CN217513054U
Application number: CN202121203363.7U
Authority: CN
Inventors: 梁建冬; 黄思薪; 严君仪; 杨红杰; 练振达; 廖谷祥; 左建林; 罗勇杰; 杨广潮; 苏伟瞬; 林哲; 肖冲; 黄海涛; 王红胜; 吴昌坚
Original assignee: Foshan Huibaisheng Laser Technology Co Ltd
Current assignee: Foshan Huibaisheng Laser Technology Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-09-30
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a pipe fitting follow-up fixture, include: the clamp comprises a mounting plate, a lifting assembly arranged on the side wall of the mounting plate and a butt clamp assembly connected with the lifting assembly; the lifting assembly comprises a lifting driving cylinder with an upward output end and a top plate connected with the output end of the lifting driving cylinder, and the side wall of the top plate is connected with the butt-clamping assembly; the butt clamp assembly comprises two clamping blocks which are symmetrically arranged and are arranged on the side wall of the top plate in a sliding manner and a butt clamp driving cylinder for driving the two clamping blocks to approach or depart from each other; the lifting driving cylinder is arranged, so that the butt clamp assembly can ascend or descend and avoid a rear chuck; the pipe fitting is clamped by the clamping blocks when the pipe fitting is machined by the aid of the oppositely clamping driving cylinders, and the pipe fitting is loosened when the pipe fitting rotates, moves forwards or backwards; the clamping effect of the pipe fitting can be guaranteed due to the simple structure.

Description

Pipe fitting follow-up fixture

Technical Field

The utility model relates to a technical field of pipe fitting centre gripping, in particular to pipe fitting follow-up fixture.

Background

The laser pipe cutting machine is mainly used for processing and cutting pipes such as round pipes, square pipes and the like, has the advantages of high precision, rapid cutting and the like, and gradually replaces the traditional metal cutting equipment.

To the pipe diameter less, the longer pipe fitting of length, even if the both ends of pipe fitting are all by preceding chuck and back chuck centre gripping, the pipe fitting still can rock when rotating the cutting to reduce the cutting precision of laser head, therefore need carry out centre gripping or support to the horizontal direction and the vertical direction of pipe fitting through the fixture of a plurality of setting in the lathe.

The chinese patent publication No. CN10787705A discloses a chuck for a full-automatic numerical control laser pipe cutting machine, the chuck includes two clamp plates, a first cylinder is arranged between the two clamp plates, the output end of the first cylinder is connected with an active rack, the active rack and a passive rack are engaged through a common gear, and the passive rack is fixedly connected with a front clamp plate. Through the flexible of first cylinder, under the interact of initiative rack, passive rack respectively with the gear, realize being close to each other or keeping away from of front splint and back splint to realize the centre gripping to the pipe fitting. However, the chuck is complex in structure, the manufacturing difficulty is increased, the two clamping plates can only move in the horizontal direction, the chuck cannot move in the vertical direction according to the cutting requirement of the pipe fitting, and the practicability is low.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide a pipe fitting follow-up clamping mechanism, which aims to solve the problems of complex structure and high manufacturing difficulty of the existing pipe fitting clamping device; and can not realize the removal in horizontal direction and vertical direction simultaneously, the lower problem of practicality.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a pipe follower gripping mechanism comprising: the clamp comprises a mounting plate, a lifting assembly arranged on the side wall of the mounting plate and a butt clamp assembly connected with the lifting assembly; the lifting assembly comprises a lifting driving cylinder with an upward output end and a top plate connected with the output end of the lifting driving cylinder, and the side wall of the top plate is connected with the butt-clamping assembly; the butt clamp assembly comprises two clamp blocks which are symmetrically arranged and are arranged on the side wall of the top plate in a sliding mode and a butt clamp driving cylinder which is used for driving the two clamp blocks to be close to or far away from each other, and the two clamp blocks are used for clamping or loosening the pipe fitting.

Pipe fitting follow-up fixture, wherein, lifting unit sets up through first connecting plate on the lateral wall of mounting panel, the symmetry is provided with linear bearing and sets up on the first connecting plate guide post in the linear bearing, it sets up two to go up and down to drive actuating cylinder between the guide post.

The pipe fitting follow-up clamping mechanism is characterized in that limiting glue is arranged at the top of the first connecting plate.

The pipe fitting follow-up clamping mechanism is characterized in that a bearing block is arranged at the top of the top plate.

The pipe fitting follow-up clamping mechanism is characterized in that the butt-clamping assembly is arranged on the side wall of the top plate through a second connecting plate; the second connecting plate is far away from lifting unit's lateral wall upper level is provided with first slide rail, it is provided with two first sliders to slide on the first slide rail, two the clamp splice corresponds the setting respectively on the first slider.

The pipe fitting follow-up clamping mechanism is characterized in that the output end of the butt clamp driving cylinder is provided with a traction block, and the two clamping blocks are connected with the traction block through pull rods respectively.

The pipe fitting follow-up clamping mechanism is characterized in that the side walls, opposite to the two clamping blocks, of the two clamping blocks are respectively provided with a clamping block.

The pipe fitting follow-up clamping mechanism is characterized in that a third connecting plate is vertically arranged between the mounting plate and the lifting assembly, two second slide rails are vertically arranged on the third connecting plate respectively, a second slide block is arranged on each second slide rail in a sliding manner, and the side wall of each second slide block is connected with the side wall of the mounting plate; the top of third connecting plate still is provided with the fourth connecting plate, threaded connection has adjusting screw on the fourth connecting plate, adjusting screw's end with the top of mounting panel is connected.

Pipe fitting follow-up fixture, wherein, each the both ends of second slide rail all are provided with the stopper.

The pipe fitting follow-up clamping mechanism is characterized in that a waist-shaped hole extending along the width direction of the lathe bed is formed in the mounting plate.

Has the advantages that:

the utility model provides a pipe fitting follow-up clamping mechanism, which realizes the ascending or descending of a butt-clamping component and avoids a rear chuck by arranging a lifting driving cylinder; the pipe fitting is clamped by the clamping blocks when the pipe fitting is machined by the aid of the oppositely clamping driving cylinders, and the pipe fitting is loosened when the pipe fitting rotates, moves forwards or backwards; the clamping effect of the pipe fitting can be guaranteed due to the simple structure.

Drawings

Fig. 1 is the utility model provides a structure schematic diagram of pipe fitting follow-up fixture is one.

Fig. 2 is a schematic structural diagram of the pipe fitting follow-up clamping mechanism.

Fig. 3 is a third schematic structural view of the pipe fitting follow-up clamping mechanism.

Fig. 4 is an exploded view of the pipe follower gripping mechanism.

Fig. 5 is a fourth schematic structural view of the pipe fitting follow-up clamping mechanism.

In the drawings: the device comprises a mounting plate 1, a waist-shaped hole 11, a lifting assembly 2, a lifting driving cylinder 21, a top plate 22, a first connecting plate 23, a linear bearing 24, a guide column 25, a limiting glue 26, a bearing block 27, an avoiding hole 28, a clamping assembly 3, a clamping block 31, a clamping driving cylinder 32, a second connecting plate 33, a first sliding rail 34, a first sliding block 35, a first sliding block 36, a traction block 37, a pull rod 38, a third connecting plate 4, a second sliding rail 41, a second sliding block 42, a limiting block 43, a fourth connecting plate 5 and an adjusting screw 6.

Detailed Description

The utility model provides a pipe fitting follow-up fixture, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Referring to fig. 1-5, the present invention provides a pipe fitting follow-up clamping mechanism, including: the device comprises a mounting plate 1 connected with a lathe bed of the laser pipe cutting machine, a lifting assembly 2 arranged on the side wall of the mounting plate 1 and a butt clamp assembly 3 connected with the lifting assembly 2; the lifting assembly 2 comprises a lifting driving cylinder 21 with an upward output end and a top plate 22 connected with the output end of the lifting driving cylinder 21, and the side wall of the top plate 22 is connected with the butt clamp assembly 3; the butt clamp assembly 3 comprises two clamp blocks 31 which are symmetrically arranged and are arranged on the side wall of the top plate 22 in a sliding mode and a butt clamp driving cylinder 32 for driving the two clamp blocks 31 to be close to or far away from each other, and the two clamp blocks 31 are used for clamping or loosening the pipe fitting.

In practical application, the pipe fitting follow-up clamping mechanism is arranged on a lathe bed of the laser pipe cutting machine through the mounting plate 1. Generally, in order to ensure the clamping effect of the pipe fitting, a plurality of pipe fitting follow-up clamping mechanisms can be arranged on the lathe bed. More specifically, a plurality of lift among one of them pipe fitting follow-up fixture in the pipe fitting follow-up fixture drives actuating cylinder 21 and sets up to the diaphragm cylinder (refer to and show figure 1), lift among other pipe fitting follow-up fixture drives actuating cylinder 21 and sets up to the biax cylinder (refer to and show figure 2), the diaphragm cylinder has the bounce-back function, last centre gripping pipe fitting to pressing from both sides subassembly 3, when square pipe or rectangular pipe are rotatory, the diagonal of pipe fitting changes, diaphragm cylinder atress changes and rebounds, after the pipe fitting is rotatory to finish, 3 self-holding pipe fittings of subassembly are pressed from both sides to realize the follow-up centre gripping.

In practical use, the lifting driving cylinder 21 in the plurality of pipe fitting follow-up clamping mechanisms is extended under the control of the control mechanism (not shown in the figure), so that the lifting driving cylinder 21 drives the butt clamp assembly 3 to ascend through the top plate 22, a pipe fitting is placed between the two clamping blocks 31, the two clamping blocks 31 are close to each other through the contraction of the output end of the butt clamp driving cylinder 32, so as to clamp the pipe fitting, when the laser pipe cutting machine needs to rotate the pipe fitting or the pipe fitting needs to move forwards or backwards for a certain distance, the pipe fitting is loosened through the extension of the butt clamp driving cylinder 32, the pipe fitting is rotated to a processing position or moves forwards or backwards to the processing position, the pipe fitting is clamped through the contraction of the butt clamp driving cylinder 32, the operations are repeated until the pipe fitting is processed, when the pipe fitting needs to continue to move forwards for subsequent processing, in order to avoid the rear chuck, the control mechanism controls the lifting driving cylinder 21 close to the rear chuck to contract, and the pipe fitting follow-up clamping mechanism is immersed into the lathe bed until the whole pipe fitting is machined, and the rear chuck and the pipe fitting follow-up clamping mechanism reset to prepare for machining the next pipe fitting by repeating the operations.

The lifting driving cylinder 21 is arranged to realize the ascending or descending of the butt clamp assembly 3 and avoid a rear chuck; through the arrangement of the opposite-clamping driving air cylinder 32, the clamping blocks 31 clamp the pipe when the pipe is processed, and loosen the pipe when the pipe rotates, moves forwards or backwards; the clamping effect of the pipe fitting can be guaranteed due to the simple structure.

Referring to fig. 3-4, further, the lifting assembly 2 is disposed on the side wall of the mounting plate 1 through a first connecting plate 23, linear bearings 24 and guide posts 25 disposed in the linear bearings 24 are symmetrically disposed on the first connecting plate 23, and the lifting driving cylinder 21 is disposed between the two guide posts 25. Specifically, the first connecting plate 23 is provided with an avoiding hole 28 through which the output end of the lifting driving cylinder 21 passes, so that the output end of the lifting driving cylinder 21 is connected with the lower surface of the ejector block. The linear bearing 24 is matched with the guide post 25, so that the friction force is small, the transmission efficiency is high, the stability of the lifting driving cylinder 21 in extension or contraction can be ensured, and the vibration of the pipe fitting follow-up clamping mechanism is reduced.

Referring to fig. 4, further, a limiting glue 26 is disposed on the top of the first connecting plate 23. The limiting rubber 26 is arranged to buffer the hard collision between the bottom of the top plate 22 and the top of the linear bearing 24, and plays a role in protection.

Referring to fig. 3-4, further, a supporting block 27 is disposed on the top of the top plate 22. The supporting block 27 is used for supporting the pipe and buffering the direct contact of the pipe with the top plate 22 when the pipe rotates, moves forwards or backwards, so that the outer wall of the pipe is abraded, and the protection effect is achieved.

Referring to fig. 1, further, the clamping assembly 3 is disposed on the side wall of the top plate 22 through a second connecting plate 33; the second connecting plate 33 is far away from the first slide rail 34 is horizontally arranged on the side wall of the lifting component 2, the first slide rail 34 is provided with two first slide blocks 35 in a sliding manner, and the two clamping blocks 31 are respectively and correspondingly arranged on the first slide blocks 35. Through setting up first slide rail 34 and first slider 35, make two clamp splice 31 under the traction of dual clamp actuating cylinder 32, its stationarity that removes is higher, is favorable to guaranteeing the centre gripping effect of pipe fitting.

Further, the output end of the opposite clamping driving cylinder 32 is provided with a traction block 36, and the two clamping blocks 31 are respectively connected with the traction block 36 through a pull rod 37. In one embodiment, when the opposite clamp driving cylinder 32 is in the extended state, the two pull rods 37 are far away from each other around the pull block 36, so that the two clamp blocks 31 are far away from each other, and the pipe fitting is released; when the opposite clamping driving cylinder 32 is in a contraction state, the two pull rods 37 approach each other around the traction block 36, so that the two clamping blocks 31 approach each other to clamp the pipe. The transmission mode of above-mentioned structure is simple, and relative gear and rack's meshing is the less, and frictional force is higher, and transmission efficiency.

Furthermore, the side walls of the two clamping blocks 31 which are arranged oppositely are respectively provided with a clamping block 38. The clamping block 38 is made of flexible material and also plays a role in protecting the outer wall of the pipe fitting.

Referring to fig. 4-5, further, a third connecting plate 4 is vertically disposed between the mounting plate 1 and the lifting assembly 2, two second slide rails 41 are vertically disposed on the third connecting plate 4, a second slider 42 is slidably disposed on each second slide rail 41, and a side wall of the second slider 42 is connected to a side wall of the mounting plate 1; the top of third connecting plate 4 still is provided with fourth connecting plate 5, threaded connection has adjusting screw 6 on the fourth connecting plate 5, adjusting screw 6's end with the top of mounting panel 1 is connected. Before the laser pipe cutting machine carries out feeding, firstly, the positions of the lifting component 2 and the butt clamp component 3 are adjusted by adjusting the adjusting screw 6, so that the laser pipe cutting machine is suitable for processing and cutting of different pipe fittings. The specific operation is as follows: because the mounting plate 1 is fixedly arranged on the lathe bed, that is, the second slide block 42 is fixedly arranged on the mounting plate 1, referring to fig. 3-4, when the adjusting screw 6 is rotated upwards, the second slide rail 41 moves downwards under the action of the second slide block 42, so as to drive the whole lifting assembly 2 and the opposite clamping assembly 3 to descend, and the lifting driving cylinder 21 can clamp the pipe fitting with a larger pipe diameter when in an extending state; similarly, referring to fig. 5, when the adjusting screw 6 is rotated downwards, the second slide rail 41 moves upwards along the second slide block 42, so as to drive the whole lifting assembly 2 and the opposite clamping assembly 3 to ascend, so that the lifting driving cylinder 21 can clamp the pipe with a smaller diameter when in an extended state. The arrangement can improve the practicability and the applicability of the pipe fitting follow-up clamping mechanism.

Further, two ends of each second slide rail 41 are provided with a limiting block 43. The limiting block 43 is used for limiting the moving stroke of the second slide rail 41, and hard collision between the top of the mounting plate 1 and the bottom of the fourth connecting plate 5 is avoided.

Referring to fig. 2, further, a waist-shaped hole 11 extending along the width direction of the bed is formed in the mounting plate 1. The waist-shaped hole 11 is used for adjusting the position of the pipe fitting follow-up clamping mechanism in the lathe bed, so that the pipe fitting follow-up clamping mechanism is always positioned in the middle of the lathe bed, and the pipe fitting is conveniently and fixedly clamped by the front chuck and the rear chuck.

In summary, the lifting driving cylinder 21 is arranged, so that the butt clamp assembly 3 can ascend or descend to avoid the rear chuck; through the arrangement of the opposite clamping driving cylinder 32, the clamping block 31 is used for clamping the pipe when the pipe is processed, and the pipe is loosened when the pipe rotates, moves forwards or backwards; the clamping effect of the pipe fitting can be guaranteed due to the simple structure. Through setting up linear bearing 24 and guide post 25, guarantee the stationarity of lifting unit 2, and then reduce pipe fitting follow-up fixture's vibrations. The limiting glue 26 is arranged for buffering the hard collision between the bottom of the top plate 22 and the top of the linear bearing 24. The retainer blocks 27 are provided for protecting the outer wall of the pipe. Through setting up first slide rail 34 and first slider 35, guarantee the stationarity of clamp splice 31, be favorable to guaranteeing the centre gripping effect to the pipe fitting. Through setting up double-layered actuating cylinder 32, traction block 36 and pull rod 37, make first slider 35 be close to each other or keep away from each other, above-mentioned transmission mode is simple, easily realizes. The gripping blocks 38 are provided for protecting the outer wall of the tubular. Through setting up second slide rail 41, second slider 42 and adjusting screw 6 for adjust lifting unit 2 and to pressing from both sides the whole height of subassembly 3, improve pipe fitting follow-up fixture's suitability and practicality. By arranging the limiting block 43, hard collision between the mounting plate 1 and the fourth connecting plate 5 is avoided.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. A pipe follower clamping mechanism, comprising: the clamp comprises a mounting plate, a lifting assembly arranged on the side wall of the mounting plate and a butt clamp assembly connected with the lifting assembly; the lifting assembly comprises a lifting driving cylinder with an upward output end and a top plate connected with the output end of the lifting driving cylinder, and the side wall of the top plate is connected with the butt clamp assembly; the butt clamp assembly comprises two clamp blocks which are symmetrically arranged and are arranged on the side wall of the top plate in a sliding mode and a butt clamp driving cylinder which is used for driving the two clamp blocks to be close to or far away from each other, and the two clamp blocks are used for clamping or loosening the pipe fitting.

2. The pipe fitting follow-up clamping mechanism according to claim 1, wherein the lifting assembly is arranged on the side wall of the mounting plate through a first connecting plate, linear bearings and guide posts arranged in the linear bearings are symmetrically arranged on the first connecting plate, and the lifting driving cylinder is arranged between the two guide posts.

3. The tubular follow-up gripping mechanism of claim 2, wherein a top of the first connection plate is provided with a stop glue.

4. The tubular follower gripper of claim 2 wherein a bearing block is disposed on a top of the top plate.

5. The tubular follower gripper mechanism of claim 1 wherein the counter clamp assembly is disposed on a sidewall of the top plate by a second web; the second connecting plate is far away from lifting unit's lateral wall upper level is provided with first slide rail, it is provided with two first sliders to slide on the first slide rail, two the clamp splice corresponds the setting respectively on the first slider.

6. The pipe fitting follow-up clamping mechanism according to claim 5, wherein the output end of the opposite clamping driving air cylinder is provided with a traction block, and the two clamping blocks are respectively connected with the traction block through a pull rod.

7. The pipe fitting follow-up clamping mechanism according to claim 5, wherein the clamping blocks are respectively arranged on the opposite side walls of the two clamping blocks.

8. The pipe fitting follow-up clamping mechanism according to claim 1, wherein a third connecting plate is vertically arranged between the mounting plate and the lifting assembly, two second slide rails are vertically arranged on the third connecting plate respectively, a second slide block is slidably arranged on each second slide rail, and the side wall of each second slide block is connected with the side wall of the mounting plate; the top of third connecting plate still is provided with the fourth connecting plate, threaded connection has adjusting screw on the fourth connecting plate, adjusting screw's end with the top of mounting panel is connected.

9. The pipe fitting follow-up clamping mechanism according to claim 8, wherein two ends of each second sliding rail are provided with limiting blocks.

10. The pipe fitting follow-up gripping mechanism of claim 1, wherein the mounting plate is provided with a kidney-shaped hole extending in a width direction of the bed.