CN219443496U

CN219443496U - Pneumatic large-stroke hollow flange chuck

Info

Publication number: CN219443496U
Application number: CN202320671553.4U
Authority: CN
Inventors: 吴云龙; 任圣权; 吴宗华; 张来伟
Original assignee: SUZHOU WID ELECTROMECHANICAL AUTOMATION CO Ltd
Current assignee: SUZHOU WID ELECTROMECHANICAL AUTOMATION CO Ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-01
Anticipated expiration: 2033-03-30

Abstract

The utility model belongs to the technical field of clamping equipment and specifically relates to a pneumatic large-stroke hollow flange chuck is related to, including cassette and a plurality of movable jack catch, be equipped with a plurality of slide rails in the cassette, every all be equipped with on the slide rail and slide the seat, movable jack catch connects slide on the seat, be equipped with the operation through-hole that is used for processing the work piece on the cassette, be equipped with the multiunit on the cassette and be used for the drive the actuating mechanism of movable jack catch. The application has the effect of simultaneously processing the workpiece on two sides of the chuck and improving the convenience of the workpiece processing process.

Description

Pneumatic large-stroke hollow flange chuck

Technical Field

The application relates to the technical field of clamping equipment, in particular to a pneumatic large-stroke hollow flange chuck.

Background

The chuck is a mechanical device for clamping a workpiece, and generally consists of a chuck body, movable claws, a claw driving mechanism and the like, and the workpiece is clamped and positioned by utilizing radial movement of the movable claws uniformly distributed on the chuck body.

However, the existing chuck can only process one side of the workpiece after clamping the workpiece, if the other side of the workpiece is to be processed, the workpiece must be disassembled, turned over and clamped again, so that the processing process of the workpiece is complicated.

Disclosure of Invention

In order to carry out processing to the work piece simultaneously in the both sides of chuck, promote the convenience of work piece processing course, this application provides a pneumatic large-stroke cavity flange chuck.

The application provides a pneumatic large-stroke hollow flange chuck, adopts following technical scheme:

the utility model provides a pneumatic large-stroke cavity flange chuck, includes cassette and a plurality of movable jack catch, be equipped with a plurality of slide rails in the cassette, every all be equipped with the seat of sliding on the slide rail, movable jack catch connects on the seat of sliding, be equipped with the operation through-hole that is used for processing the work piece on the cassette, be equipped with the multiunit on the cassette and be used for the drive the actuating mechanism of movable jack catch.

Through adopting above-mentioned technical scheme, actuating mechanism can drive and slide the seat and remove on the slide rail to drive a plurality of movable jack catch and carry out the centre gripping to the work piece, the setting of operation through-hole makes the work piece can carry out processing operation to the work piece simultaneously in the both sides of cassette after being held by the cassette, has promoted the convenience of work piece processing course.

In a specific implementation manner, the driving mechanism comprises a driving piece, a first driving plate, a second driving plate and a guiding assembly for guiding the movement track of the first driving plate, the driving piece is arranged on the side wall of the chuck, the first driving plate is connected with the output end of the driving piece, a fixing rod is arranged on the clamping seat, a through hole for the fixing rod to penetrate is formed in the second driving plate, the second driving plate is rotationally connected to the fixing rod, one end of the second driving plate is connected with the first driving plate, and one end of the second driving plate, far away from the first driving plate, is connected with the sliding seat.

Through adopting above-mentioned technical scheme, the driving piece can drive first drive plate and rotate, and guide assembly can guide the rotation orbit of first drive plate, and the fixed rail rotation of first drive plate can drive the second drive plate and rotate as the axis with the dead lever to drive the seat that slides and slide on the slide rail, promptly, drive movable jack catch and remove along slide rail length direction, thereby realize the centre gripping to the work piece. The movable clamping jaw is driven through the first transmission plate and the second transmission plate, so that the thickness of the whole clamping seat is reduced, and convenience in machining operation on workpieces at the two sides of the clamping seat is improved.

In a specific embodiment, the guiding assembly includes an annular guide rail disposed on the chuck and disposed along an edge of the operation through hole, and a slider disposed on the first driving plate and slidably coupled to the annular guide rail.

Through adopting above-mentioned technical scheme, when the first drive plate of driving piece drive rotates, the slider can slide along the track of guide rail to guide the rotation orbit of first drive plate, and then guide the rotation orbit of second drive plate, help realizing sliding seat and movable jack catch smooth sliding on the slide rail.

In a specific implementation manner, the first transmission plate is provided with a waist hole, the second transmission plate is provided with a sliding column, the sliding column penetrates through the waist hole, and one end, far away from the second transmission plate, of the sliding column is provided with a limiting block.

Through adopting above-mentioned technical scheme, when first drive plate is decided the rail and is rotated, the post that slides can slide in the waist downthehole along with the rotation of first drive plate to drive the second drive plate and use the dead lever to fix the axle rotation as the axis, this kind of transmission mode helps making the rotation angle increase of second drive plate in limited space, helps increasing the stroke that slides seat and movable jaw removed on the slide rail. The limiting block can limit the sliding column, so that the displacement of the sliding column in the extending degree direction in the sliding process is reduced, and the stability of the sliding process of the sliding column is improved.

In a specific implementation, a collar is arranged on the sliding column, and the collar is abutted against the wall of the waist hole.

Through adopting above-mentioned technical scheme, when the post that slides in the waist hole, the lantern ring can be all the time with the pore wall looks tight of waist hole for the post that slides is more steady at the in-process of sliding, helps promoting the stationarity of second drive plate rotation in-process, and then promotes the sliding seat and the gliding stationarity of movable jaw on the slide rail.

In a specific implementation manner, the fixing rod is provided with a limiting groove, and the wall of the through hole is provided with a clamping ring.

Through adopting above-mentioned technical scheme, when the second drive plate rotates, the snap ring joint rotates in the spacing groove, can avoid the second drive plate to produce the displacement along the length direction of dead lever when rotating as far as possible, helps promoting the stability of second drive plate in the rotation in-process.

In a specific embodiment, a plurality of the movable claws are arranged in an annular array with the axis of the card holder as a reference.

Through adopting above-mentioned technical scheme, the position setting of a plurality of movable jack catch helps promoting the convenience of work piece centering.

In a specific embodiment, the driving member is a cylinder.

Through adopting above-mentioned technical scheme, cylinder simple structure, easy to maintain can be used to various abominable operational environment simultaneously, helps guaranteeing working property's reliability and promotes the convenience when actual operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the operation through hole and the driving mechanism, after the driving mechanism drives the plurality of movable claws to clamp the workpiece, the workpiece can be machined simultaneously on two sides of the clamping seat, so that the convenience of the workpiece machining process is improved;

2. through the setting of post and waist hole slide for the rotation of first drive plate can drive the second drive plate and rotate, and this kind of transmission mode helps making the rotation angle increase of second drive plate in limited space, helps increasing the stroke that slides seat and movable claw removed on the slide rail, has promoted the space utilization of cassette.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic diagram showing a specific structure on the card holder.

Fig. 3 is a schematic diagram showing a specific structure of the guide assembly.

Fig. 4 is a schematic diagram showing a specific structure of the driving mechanism.

Reference numerals illustrate: 1. a clamping seat; 2. a movable claw; 3. a slide rail; 4. a sliding seat; 5. an operation through hole; 6. a driving mechanism; 61. a driving member; 62. a first drive plate; 63. a second drive plate; 64. a guide assembly; 641. an annular guide rail; 642. a slide block; 7. a fixed rod; 8. a through hole; 9. waist holes; 10. a slip column; 11. a limiting block; 12. a collar; 13. a limit groove; 14. and a clasp.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses pneumatic large-stroke hollow flange chuck, refer to fig. 1 and 2, including cassette 1 and three movable jaw 2, fixed mounting has three slide rail 3 on the cassette 1, and equal movable mounting has the seat 4 that slides on each slide rail 3, and three movable jaw 2 fixed mounting is on three seat 4 that slides, and three movable jaw 2 uses the axis of cassette 1 to be the annular array of benchmark and arranges, has seted up operation through-hole 5 on the cassette 1, is provided with three group's actuating mechanism 6 on the cassette 1. The driving mechanism 6 operates to drive the movable clamping jaw 2 to clamp the workpiece, and the workpiece can be machined and operated on the two sides of the clamping seat 1 simultaneously through the operation through holes 5, so that convenience in the workpiece machining and processing process is improved. The three movable claws 2 are distributed in an annular array manner, so that the workpiece is conveniently centered in the workpiece clamping process, and convenience in workpiece centering is improved.

Referring to fig. 2 and 3, the driving mechanism 6 includes a driving member 61, a first transmission plate 62, a second transmission plate 63, and a guide assembly 64, the driving member 61 being fixedly mounted on a chuck sidewall, in this embodiment, the driving member 61 being a driving cylinder. The first transmission plate 62 is rotationally connected with the piston rod of the driving cylinder, the fixing rod 7 is fixed on the clamping seat 1, the through hole 8 for the fixing rod 7 to penetrate is formed in the second transmission plate 63, the second transmission plate 63 is rotationally connected to the fixing rod 7, one end of the second transmission plate 63 is movably connected with the first transmission plate 62, and one end, far away from the first transmission plate 62, of the second transmission plate 63 is rotationally connected with the sliding seat 4. Before clamping a workpiece, a piston rod of the driving cylinder contracts to drive the first transmission plate 62 to rotate, meanwhile, the guide assembly 64 guides the first transmission plate 62 to rotate in a rail fixing mode, and the second transmission plate 63 is driven by the first transmission plate 62 to rotate in a fixed shaft mode by taking the fixed rod 7 as an axis, so that the sliding seat 4 and the movable claw 2 are driven to move towards the edge of the clamping seat 1. When clamping a workpiece, a piston rod of the driving cylinder stretches out to drive the first transmission plate 62 to rotate, meanwhile, the guide assembly 64 guides the first transmission plate 62 to rotate in a rail fixing way, the second transmission plate 63 is driven by the first transmission plate 62 to rotate in a fixed shaft mode by taking the fixed rod 7 as an axis, and accordingly the sliding seat 4 and the movable claw 2 are driven to move towards the workpiece, and the workpiece is clamped. The transmission mode of the transmission through the first transmission plate 62 and the second transmission plate 63 is beneficial to reducing the thickness of the whole clamping seat 1, so that convenience of machining operation on workpieces at the same time on two sides of the clamping seat 1 is improved.

Referring to fig. 2 and 3, the guide assembly 64 includes a ring rail 641 and a slider 642, the ring rail 641 is fixed on the chuck, the ring rail 641 is disposed along an edge of the operation through hole 5, the slider 642 is fixed on the first driving plate 62, the slider 642 is slidably connected to the ring rail 641, and when the cylinder drives the first driving plate 62 to rotate, the slider 642 moves along a track of the ring rail 641, thereby rotating the first driving plate 62 along the track of the ring rail 641, helping to rotate the first driving plate 62 along a fixed track, thereby improving the stability of rotation of the second driving plate 63, helping to realize smooth sliding of the sliding seat 4 and the movable jaw 2 on the slide rail 3.

Referring to fig. 3 and 4, a limiting groove 13 is formed in the rod wall of the fixing rod 7, a snap ring 14 is integrally formed in the hole wall of the through hole 8, when the second transmission plate 63 rotates in a fixed shaft mode, the snap ring 14 rotates in the limiting groove 13, the limiting groove 13 limits displacement of the snap ring 14 in the length direction of the fixing rod 7, and stability of the second transmission plate 63 in the rotating process is improved.

Referring to fig. 3 and 4, a waist hole 9 is formed in the first transmission plate 62, a sliding column 10 is fixed on the second transmission plate 63, the sliding column 10 penetrates through the waist hole 9, a limiting block 11 is fixed at one end, away from the second transmission plate 63, of the sliding column 10, and a sleeve ring 12 is sleeved on the side wall of the sliding column 10. When the first transmission plate 62 rotates, the sliding column 10 slides in the waist hole 9 under the drive of the first transmission plate 62, and in the sliding process, the lantern ring 12 is propped against the wall of the waist hole 9, so that the sliding column 10 is more stable in the sliding process, the limiting block 11 limits the sliding column 10, displacement of the sliding column 10 in the extending degree direction in the sliding process is reduced, and the stability of the sliding process of the sliding column 10 is further improved. The sliding of the sliding column 10 drives the second transmission plate 63 to rotate, so that the sliding seat 4 and the movable claw 2 are driven to move on the sliding rail 3, and the transmission mode of the first transmission plate 62, the sliding column 10 and the second transmission plate 63 is beneficial to increasing the rotation angle of the second transmission plate 63 in a limited space, so that the travel of the sliding seat 4 and the movable claw 2 moving on the sliding rail 3 is increased.

The implementation principle of the embodiment of the application is as follows: when clamping a workpiece, the piston rod of the driving cylinder extends to drive the first transmission plate 62 to rotate, and the sliding block 642 moves along the track of the annular guide rail 641, so that the first transmission plate 62 rotates along the track of the annular guide rail 641, and the first transmission plate 62 is facilitated to rotate along a fixed track. When the first transmission plate 62 rotates, the sliding column 10 slides in the waist hole 9 under the drive of the first transmission plate 62, and the sliding column 10 slides to drive the second transmission plate 63 to rotate, so that the sliding seat 4 and the movable claw 2 are driven to move on the sliding rail 3 towards the workpiece, and the workpiece is clamped. After the workpiece is clamped, the workpiece can be machined simultaneously on the two sides of the clamping seat 1 through the operation through holes 5, so that convenience in the workpiece machining process is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a pneumatic large stroke cavity flange chuck which characterized in that: including cassette (1) and a plurality of movable jack catch (2), be equipped with a plurality of slide rails (3) in cassette (1), every all be equipped with on slide rail (3) and slide seat (4), movable jack catch (2) are connected slide on seat (4), be equipped with on cassette (1) and be used for processing operation through-hole (5) of handling the work piece, be equipped with the multiunit on cassette (1) be used for driving actuating mechanism (6) of movable jack catch (2).

2. A pneumatic large travel hollow flange chuck according to claim 1, wherein: the driving mechanism (6) comprises a driving piece (61), a first transmission plate (62), a second transmission plate (63) and a guide assembly (64) for guiding the movement track of the first transmission plate (62), wherein the driving piece (61) is arranged on the side wall of the chuck, the first transmission plate (62) is connected with the output end of the driving piece (61), a fixing rod (7) is arranged on the clamping seat (1), a through hole (8) for the fixing rod (7) to penetrate is formed in the second transmission plate (63), the second transmission plate (63) is rotationally connected onto the fixing rod (7), one end of the second transmission plate (63) is connected with the first transmission plate (62), and one end of the second transmission plate (63) away from the first transmission plate (62) is connected with the sliding seat (4).

3. A pneumatic large travel hollow flange chuck according to claim 2, wherein: the guide assembly (64) comprises an annular guide rail (641) and a sliding block (642), the annular guide rail (641) is arranged on the chuck, the annular guide rail (641) is arranged along the edge of the operation through hole (5), the sliding block (642) is arranged on the first transmission plate (62), and the sliding block (642) is in sliding connection with the annular guide rail (641).

4. A pneumatic large travel hollow flange chuck according to claim 2, wherein: be equipped with waist hole (9) on first drive plate (62), be equipped with on second drive plate (63) and slide post (10), slide post (10) run through waist hole (9), slide post (10) keep away from one end of second drive plate (63) is equipped with stopper (11).

5. A pneumatic large travel hollow flange chuck according to claim 4, wherein: the sliding column (10) is provided with a lantern ring (12), and the lantern ring (12) is propped against the wall of the waist hole (9).

6. A pneumatic large travel hollow flange chuck according to claim 2, wherein: the fixing rod (7) is provided with a limiting groove (13), and the wall of the through hole (8) is provided with a clamping ring (14).

7. A pneumatic large travel hollow flange chuck according to claim 1, wherein: the movable claws (2) are annularly arranged by taking the axis of the clamping seat (1) as a reference.

8. A pneumatic large travel hollow flange chuck according to claim 2, wherein: the driving member (61) is a cylinder.