CN214191627U

CN214191627U - Fixed clamping jaw mechanism

Info

Publication number: CN214191627U
Application number: CN202023243489.5U
Authority: CN
Inventors: 王福成
Original assignee: Tianjin Shenlong Automation Machinery Co ltd
Current assignee: Tianjin Shenlong Automation Machinery Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-14
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a fixed clamping jaw mechanism, which comprises a rotary table, a lifting core rod, a jacking column and clamping components, wherein the rotary table is arranged in a connecting plate and is rotationally connected with the connecting plate, two sides of the connecting plate are provided with push-pull components, a rotary base is arranged in the rotary table, the top of the rotary base is connected with a rotary head, the lifting core rod is arranged in the rotary base and is connected with the rotary table through a rotary table connecting shaft, the top of the lifting core rod is connected with the jacking column, the rotary head is symmetrically provided with a first clamping component and a second clamping component, the push-pull component pushes and pulls the connecting plate to sequentially drive the turntable, the lifting core rod and the jacking column to vertically slide relative to the rotating base, so that the jacking column can drive the first clamping component and the second clamping component to approach and separate from each other, thereby the realization is got and is released the clamp of work piece, and the center that the jacking post can be relative the rotating head simultaneously stretches out and retracts to the realization is to the jacking and the falling of work piece. The utility model discloses an arbitrary direction and the rotation of the number of turns behind the clamping jaw tight work piece.

Description

Fixed clamping jaw mechanism

Technical Field

The utility model relates to a clamping jaw technical field especially relates to a fixed clamping jaw mechanism.

Background

The clamping executing mechanism is connected with the clamping jaw and rotates together, the executing mechanism is mostly air-controlled (air cylinder) or electric-controlled (motor), the connection of an air pipe or a cable is necessary, if no special requirement exists, the air pipe and the cable need to be rotated reversely, otherwise, the air pipe and the cable are wound together, and the air pipe and the cable are easily damaged and broken due to repeated winding and need to be replaced and maintained regularly; if the rotation direction requires, an air-electric slip ring needs to be configured, the cost is high, the service life is limited, and the replacement and maintenance are needed regularly.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide fixed clamping jaw mechanism to solve the problem of proposing in the above-mentioned background art.

The utility model provides a fixed clamping jaw mechanism, which comprises a rotary table, a lifting core rod, a jacking column and a clamping component, wherein the rotary table is arranged in a connecting plate and is rotationally connected with the connecting plate, two sides of the connecting plate are provided with push-pull components, a rotary base is arranged in the rotary table, the top of the rotary base is connected with a rotary head, the lifting core rod is arranged in the rotary base and is connected with the rotary table through a rotary table connecting shaft, the top end of the lifting core rod is connected with the jacking column, a first clamping component and a second clamping component are symmetrically arranged on the rotary head, and the rotary head is provided with the first clamping component and the second clamping component, so that the push-pull components push-pull the connecting plate to sequentially drive the rotary table, the lifting core rod and the jacking column to vertically slide relative to the rotary base, the jacking column can drive the first clamping component and the second clamping component to be close to and far away, thereby realizing the lifting and falling of the workpiece.

Preferably, the first clamp is got the subassembly and is got the subassembly including swing arm, clamping jaw base and pressure spring respectively with the second clamp, the swing arm is located in the rotating head and can be relative the rotating head rotates and transverse motion, the one end and the clamping jaw base of swing arm rotate to be connected, the clamping jaw base is located on the rotating head and can its transverse sliding relatively, the clamping jaw is installed on the clamping jaw base, the other end and the one end of pressure spring of swing arm are connected, the other end and the cover connection of pressure spring, the apron is installed on the lateral wall of rotating head.

Preferably, in any one of the above schemes, a first sliding chute and a second sliding chute are arranged in the rotating head, a first sliding block capable of sliding transversely along the first sliding chute is arranged in the first sliding chute, the first sliding block is rotatably connected with the upper part of the swing arm, a second sliding block capable of sliding transversely along the second sliding chute is arranged in the second sliding chute, and the second sliding block is rotatably connected with the lower part of the swing arm.

In any of the above schemes, preferably, the inner side of the second slider is provided with an inclined surface, and both sides of the jacking column are provided with protrusions which can be abutted against or separated from the inclined surface.

In any of the above schemes, preferably, the push-pull assembly includes an air cylinder, a floating joint and a mounting seat, an output end of the air cylinder is fixedly connected with the floating joint and the mounting seat in sequence, and the mounting seat is further fixed on the connecting plate.

In any of the above schemes, preferably, third sliding grooves are formed in two sides of the rotating base, and the turntable connecting shaft transversely penetrates through the third sliding grooves and can vertically slide along the third sliding grooves.

In any one of the above embodiments, preferably, oilless bushes are provided between the lifting mandrel and the inner periphery of the spin base and between the turntable and the outer periphery of the spin base, respectively.

In any of the above solutions, preferably, a positioning table is disposed at the top center of the rotating head.

Compared with the prior art, the utility model has the advantages and beneficial effects do: the trouble of trachea and cable connection has been solved, adopts outside drive and through the mode of pure mechanical connection, realizes the rotation of the arbitrary number of turns of arbitrary direction behind the clamping jaw clamp work piece, removes binding of gas-electric slip ring, reduces use cost, increase of service life.

The fixed jaw mechanism of the present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of the fixed jaw mechanism of the present invention;

fig. 2 is a front view of the fixed jaw mechanism of the present invention;

fig. 3 is a cross-sectional view of the fixed jaw mechanism of the present invention;

wherein: 1. a cylinder; 2. a floating joint; 3. a mounting seat; 4. a connecting plate; 5. a base plate; 6. a turntable; 7. a first bearing; 8. rotating the base; 9. rotating the head; 10. an oilless bushing; 11. lifting the core rod; 12. swinging arms; 13. a rotating shaft; 14. a jaw base; 15. a second bearing; 16. a clamping jaw; 17. jacking the column; 18. a positioning table; 19. a third bearing; 20. a pressure spring; 21. a cover plate; 22. a first chute; 23. a first slider; 24. a second slider; 25. a second chute; 26. a third chute; 27. a turntable connecting shaft; 28. a jaw slide; 29. a slide rail.

Detailed Description

As shown in fig. 1-3, the present invention provides a fixed clamping jaw mechanism, which comprises a rotary table 6, a lifting core rod 11, a jacking column 17 and a clamping assembly, wherein the rotary table 6 is disposed in a connecting plate 4 and rotatably connected with the connecting plate 4, push-pull assemblies are disposed on two sides of the connecting plate 4, a rotary base 8 is disposed in the rotary table 6, a rotary head 9 is connected to the top of the rotary base 8, the lifting core rod 11 is disposed in the rotary base 8, the lifting core rod 11 is connected with the rotary table 6 through a rotary table connecting shaft 27, the top of the lifting core rod 11 is connected with the jacking column 17, a first clamping assembly and a second clamping assembly are symmetrically disposed on the rotary head 9, the connecting plate 4 is pushed and pulled by the push-pull assemblies to sequentially drive the rotary table 6, the lifting core rod 11, and the jacking column 17 to vertically slide relative to the rotary base 8, so that the jacking column 17 can drive the, meanwhile, the jacking column 17 can extend and retract relative to the center of the rotating head 9, so that the workpiece can be jacked and dropped.

Wherein, the turntable 6 is connected with the connecting plate 4 through a first bearing 7.

Further, the first clamping assembly and the second clamping assembly respectively comprise a swing arm 12, a clamping jaw 16, a clamping jaw base 14 and a pressure spring 20, the swing arm 12 is arranged in the rotating head 9 and can rotate and move transversely relative to the rotating head 9, one end of the swing arm 12 is rotatably connected with the clamping jaw base 14, the clamping jaw base 14 is arranged on the rotating head 9 and can slide transversely relative to the rotating head, the clamping jaw 16 is arranged on the clamping jaw base 14, the other end of the swing arm 12 is connected with one end of the pressure spring 20, the other end of the pressure spring 20 is connected with a cover plate 21, and the cover plate 21 is arranged on the side wall of the rotating head 9. Wherein, the bottom of the clamping jaw base 14 is provided with a clamping jaw 16 slide block, and the rotating head 9 is provided with a slide rail 29 which is connected with the rotating head in a matching way. One end of the swing arm 12 is connected with the clamping jaw base 14 through a second bearing 15.

Furthermore, a first sliding groove 22 and a second sliding groove 25 are arranged in the rotating head 9, a first sliding block 23 capable of sliding transversely along the first sliding groove 22 is arranged in the first sliding groove 22, the first sliding block 23 is rotatably connected with the upper portion of the swing arm 12, a second sliding block 24 capable of sliding transversely along the second sliding groove 25 is arranged in the second sliding groove 25, and the second sliding block 24 is rotatably connected with the lower portion of the swing arm 12. The first slider 23 is connected with the upper part of the swing arm 12 through the rotating shaft 13, and the second slider 24 is connected with the lower part of the swing arm 12 through the third bearing 19.

Further, the inner side of the second sliding block 24 is provided with an inclined plane, and two sides of the jacking column 17 are provided with protrusions capable of abutting against or separating from the inclined plane.

Further, the push-and-pull subassembly includes cylinder 1, floating joint 2 and mount pad 3, and the output of cylinder 1 in proper order with floating joint 2, mount pad 3 fixed connection, mount pad 3 further fixes on connecting plate 4.

Further, third spout 26 has been seted up to rotating base 8's both sides, and carousel connecting axle 27 transversely wears to establish third spout 26 and can follow its vertical slip.

Further, oilless bushes 10 are provided between the lifting plug 11 and the inner periphery of the spin base 8 and between the turntable 6 and the outer periphery of the spin base 8, respectively.

Further, a positioning table 18 is provided at the top center of the rotating head 9.

The working principle is as follows: the specific process of clamping the workpiece by the fixed clamping jaw mechanism is that the cylinder 1 sequentially passes through the floating joint 2 and the mounting seat 3 to pull the connecting plate 4 downwards to drive the rotary table 6 to move downwards, the rotary table 6 pulls the lifting core rod 11 and the jacking column 17 downwards through the rotary table connecting shaft 27 to enable the lifting core rod 11 to move downwards relative to the rotating base 8, the jacking column 17 moves downwards relative to the rotating head 9, the bulge on the jacking column 17 touches the inclined plane on the second sliding block 24 while the jacking column 17 moves downwards, the bulge on the jacking column 17 pushes the second sliding block 24 to enable the second sliding block 24 to horizontally slide outwards along the second sliding groove 25 along with the continuous downward movement of the jacking column 17, at the moment, the lower end of the swing arm 12 horizontally slides outwards under the driving of the second sliding block 24 and compresses the pressure spring 20, and simultaneously, the upper part of the swing arm 12 horizontally slides inwards along the first sliding groove 22 under the driving of the first sliding block 23, at this time, the upper end of the swing arm 12 drives the clamping jaw base 14 and the clamping jaw 16 to horizontally slide towards the inner side, so that the first clamping component and the second clamping component are close to each other, and the workpiece is clamped.

The concrete process of fixed clamping jaw mechanism to the work piece release does, it is opposite to work piece clamping process with above-mentioned fixed clamping jaw mechanism, the lower extreme of swing arm 12 is to inside horizontal slip reset and is rely on pressure spring 20 elastic force, and simultaneously, the upper portion of swing arm 12 slides to the outside level along first spout 22 under the drive of first slider 23, at this moment, the upper end of swing arm 12 drives clamping jaw base 14 in proper order, clamping jaw 16 slides towards the outside horizontal, thereby realize that first clamp is got the subassembly and is got the subassembly with the second clamp and keep away from, and then realize the release to the work piece. The jacking column 17 continuously rises after contacting the workpiece, and supports the workpiece from the positioning table 18, so that the purpose of jacking the workpiece is achieved.

In this embodiment, the bottom of the rotating base 8 is connected to a bottom plate 5, and the bottom plate 5 is sequentially connected to a servo reducer and a servo motor, so as to drive the rotating disc 6 to rotate relative to the connecting plate 4. The rear part of the connecting plate 4 is matched with the vertical sliding block and the sliding rail 29 for use, and when the connecting plate slides upwards or downwards, the sliding block on the connecting plate 4 slides vertically along the sliding rail 29.

The utility model discloses a fixed clamping jaw mechanism has solved the puzzlement that trachea and cable are connected, adopts external drive and through the mode of pure mechanical connection, realizes the rotation of the arbitrary number of turns of direction after the clamping jaw 16 presss from both sides tight work piece, removes binding of gas-electric slip ring, reduces use cost, increase of service life.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. A fixed jaw mechanism, its characterized in that: the lifting device comprises a turntable, a lifting core rod, a lifting column and a clamping assembly, wherein the turntable is arranged in a connecting plate and is rotationally connected with the connecting plate, push-pull assemblies are arranged on two sides of the connecting plate, a rotating base is arranged in the turntable, the top of the rotating base is connected with a rotating head, the lifting core rod is arranged in the rotating base and is connected with the turntable through a turntable connecting shaft, the top end of the lifting core rod is connected with the lifting column, a first clamping assembly and a second clamping assembly are symmetrically arranged on the rotating head, the rotating head is sequentially driven to vertically slide relative to the rotating base by pushing and pulling the connecting plate through the push-pull assemblies, so that the lifting column can drive the first clamping assembly and the second clamping assembly to be close to or far away from each other, clamping and releasing of a workpiece are realized, and the lifting column can extend out and retract relative to the center of, thereby realizing the lifting and falling of the workpiece.

2. The fixed jaw mechanism of claim 1, wherein: the utility model discloses a clamping device, including clamping head, clamping jaw base, clamping head, clamping jaw base, clamping jaw, clamping and clamping jaw, clamping are connected jaw, clamping jaw, clamping jaw, clamping jaw, clamping.

3. The fixed jaw mechanism of claim 2, wherein: be equipped with first spout, second spout in the rotating head, be equipped with the first slider that can follow its lateral sliding in the first spout, first slider with the upper portion of swing arm is rotated and is connected, be equipped with the second slider that can follow its lateral sliding in the second spout, the second slider with the lower part of swing arm is rotated and is connected.

4. The fixed jaw mechanism of claim 3, wherein: the inner side of the second sliding block is provided with an inclined plane, and two sides of the jacking column are provided with protrusions capable of being abutted to or separated from the inclined plane.

5. The fixed jaw mechanism of claim 1, wherein: the push-pull assembly comprises an air cylinder, a floating joint and a mounting seat, wherein the output end of the air cylinder is fixedly connected with the floating joint and the mounting seat in sequence, and the mounting seat is further fixed on the connecting plate.

6. The fixed jaw mechanism of claim 1, wherein: third chutes are formed in two sides of the rotating base, and the turntable connecting shaft transversely penetrates through the third chutes and can vertically slide along the third chutes.

7. The fixed jaw mechanism of claim 1, wherein: and oilless bushings are respectively arranged between the lifting core rod and the inner periphery of the rotating base and between the turntable and the outer periphery of the rotating base.

8. The fixed jaw mechanism of claim 1, wherein: and a positioning table is arranged at the center of the top of the rotating head.