CN211459054U

CN211459054U - Back-pull block clamping jaw mechanism

Info

Publication number: CN211459054U
Application number: CN201922444989.6U
Authority: CN
Inventors: 叶小洋; 赖金有
Original assignee: Xiamen Manyu Automation Technology Co ltd
Current assignee: Xiamen Manyu Automation Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-11
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a back draws piece clamping jaw mechanism relates to anchor clamps technical field, and its technical scheme main points are: including the support, set up the clamping jaw subassembly on the support and be used for driving piece one that clamping jaw subassembly goes up and down, clamping jaw subassembly includes the base, articulates clamping jaw, the lift seat that sets up on the base in the base and is used for driving piece two that the lift seat goes up and down, the mounting groove has been seted up on the lift seat, the slope guide way has been seted up on the cell wall of mounting groove, clamping jaw bottom slides in the slope guide way through the guide arm, driving piece one sets up in the support bottom, and the drive end of driving piece one is connected with the mount pad, be fixed with the guide bar on the mount pad, pedestal mounting is on the top of guide bar, driving piece two is installed on the mount. The utility model discloses can press from both sides tight work piece fast, improve and press from both sides tight efficiency to can drive the clamping jaw and break away from the work piece, have the effect that improves the use convenience.

Description

Back-pull block clamping jaw mechanism

Technical Field

The utility model relates to an anchor clamps technical field, more specifically say, it relates to a back draws a clamping jaw mechanism.

Background

In the manufacturing process of the shoe, the back pull block is generally required to be used for supporting, and the shoe last is installed on the back pull block, so that the produced shoe upper is sleeved on the shoe last, and the processing of the next procedure is facilitated. In the process of shoe last is nested at the vamp, the back pull block is required to be prevented from moving, so that the back pull block is clamped by using a pneumatic clamping jaw during production, the vamp is conveniently nested on the shoe last, and the shoe last is prevented from deviating during nesting.

Pneumatic clamping jaw among the prior art mainly includes the base and is located the splint on the base, has seted up the spout on the base, and splint bottom is fixed with the slider that slides in the spout to cooperate and drive the splint slip in the cylinder, can utilize splint to press from both sides tight work piece.

When the clamping device is used, the rear pulling block is placed into the two clamping plates, and the clamping plates are driven to slide by the air cylinders, so that the rear pulling block is clamped. But when the splint slided, the frictional force between the slider that links to each other and the spout was great, increased the acting of power source, had influenced splint and had pressed from both sides tight efficiency, and when switching next work piece, the horizontal position of splint was unanimous with the work piece, can only loosen splint from the work piece, can't thoroughly break away from the work piece with splint, and the getting of the work piece of being not convenient for leads to the use comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a back draws a clamping jaw mechanism can the tight work piece of quick clamp, improves and presss from both sides tight efficiency to can drive the clamping jaw and break away from the work piece, have the effect that improves the convenience of use.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a back pull block clamping jaw mechanism, includes the support, sets up the clamping jaw subassembly on the support and is used for driving the driving piece one that clamping jaw subassembly goes up and down, clamping jaw subassembly is including setting up in the base on support top, being no less than two and all articulate clamping jaw, lift setting up in the lift seat of base and being used for driving the driving piece two that the lift seat goes up and down, set up the mounting groove that corresponds with the clamping jaw on the lift seat, the slope direction mouth has been seted up on the cell wall of mounting groove, clamping jaw bottom slides in the slope direction mouth through the guide arm, driving piece one sets up in the support bottom, and the drive end of driving piece one is connected with the mount pad that goes up and down to slide on the support, be fixed with the guide bar that slides and wear out the support top on the mount pad, pedestal.

Further setting: the clamping jaw is provided with two to the symmetry sets up in the base both sides, the mounting groove is provided with two corresponding to the clamping jaw.

Further setting: cushion pads are arranged at the clamping ends of the two clamping jaws.

Further setting: the two sides of the mounting groove are provided with inclined guide openings, the two ends of the guide rod slide in the two inclined guide openings respectively, and the inclined guide openings are waist-shaped openings.

Further setting: the base is provided with a lifting port, and the lifting seat is lifted and slid in the lifting port.

Further setting: the base is located the lift mouth top and has seted up the hinge mouth, the clamping jaw articulates in the hinge mouth through the axis of rotation.

Further setting: the first driving part is arranged as a first air cylinder, a piston rod of the first air cylinder is connected with the mounting seat, the second driving part is arranged as a second air cylinder, and a piston rod of the second air cylinder is connected with the lifting seat through a lifting rod.

Further setting: the top of lifter has seted up the screw hole, the seat of stepping down has seted up the hole of stepping down corresponding to the position department of screw hole, the downthehole connecting bolt who is connected with screw hole threaded connection of stepping down, the base has seted up the installing port to the position that lies in the hole of stepping down.

Further setting: the utility model discloses a support, including the lifter, the lifter is located to the guide bar, the guide bar sets up to hollow pole, just outside the lifter was located to the guide bar cover, the guide bar slides and wears out the outer one end in support top and is connected with the stopper, the spacing groove that supplies the stopper to peg graft is seted up to the base bottom, just the base passes through fixing bolt and is connected with the stopper.

By adopting the technical scheme, the utility model discloses relative prior art compares, has following advantage:

1. the clamping jaw assembly is driven to lift by the driving piece I, so that the clamping jaw is driven to be separated from the workpiece, the workpiece is convenient to take and place, and the use convenience is improved;

2. the guide port of the lifting seat is matched with the clamping jaw to move, so that the clamping jaw is driven to rotate quickly when the lifting seat is lifted, the clamping jaw is used for clamping a workpiece, the clamping efficiency is improved, the direction of the clamping force of the workpiece is perpendicular to the moving direction of the lifting seat, the clamping jaw is not easy to pry open, the clamping force is larger, and the effect of improving the clamping stability is achieved;

3. the guide rod is arranged to provide lifting guide for the mounting seat, and the base, the lifting seat and the driving piece II can be synchronously driven to lift, so that the lifting of the lifting seat is not affected, and the lifting stability of the clamping jaw assembly is improved;

4. the buffering cushion can protect the workpiece during clamping, so that the surface of the workpiece is prevented from being scratched;

5. through utilizing connecting bolt to be connected lifter and lift seat, utilize fixing bolt to be connected base and stopper, can make things convenient for the dismouting of clamping jaw subassembly on the support to overhaul it and replace.

Drawings

FIG. 1 is a schematic structural view of a rear pull block jaw mechanism;

FIG. 2 is an exploded schematic view of the jaw assembly;

FIG. 3 is a schematic cross-sectional view of a rear pull block jaw mechanism;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

In the figure: 1. a support; 2. a jaw assembly; 21. a base; 211. a lifting port; 212. hinging the interface; 213. an installation port; 214. a limiting groove; 22. a clamping jaw; 221. a guide bar; 23. a lifting seat; 231. mounting grooves; 232. an inclined guide port; 233. a hole of abdication; 24. a driving part II; 25. a lifting rod; 251. a threaded hole; 3. a first driving part; 31. a mounting seat; 4. a cushion pad; 5. a connecting bolt; 6. a guide bar; 7. a limiting block; 8. and (5) fixing the bolt.

Detailed Description

The back pull block jaw mechanism is further described with reference to fig. 1-4.

The utility model provides a back draws piece clamping jaw mechanism, as shown in fig. 1, which comprises a bracket 1, set up in clamping jaw subassembly 2 at support 1 top and be used for driving clamping jaw subassembly 2 drive piece one 3 that goes up and down, driving piece one 3 is fixed to be set up in support 1 bottom, and the drive end of driving piece one 3 slides and wears to establish support 1 and be connected with clamping jaw subassembly 2, in order to utilize the driving piece to drive clamping jaw subassembly 2 and go up and down, thereby when clamping jaw subassembly 2 of being convenient for unclamp, utilize the driving piece to drive clamping jaw subassembly 2 and break away from the work piece, so that getting of work piece is put, the effect.

As shown in fig. 1 and 2, the clamping jaw assembly 2 includes a base 21 disposed at the top end of the bracket 1, at least two clamping jaws 22 respectively hinged to the base 21, a lifting seat 23 disposed in the base 21 in a lifting manner, and a second driving member 24 for driving the lifting seat 23 to lift. Wherein, the driving end fixedly connected with mount pad 31 of driving piece one 3, mount pad 31 liftable slide on support 1, be fixed with on the mount pad 31 to slide and wear out the guide bar 6 on 1 top of support, base 21 installs in the top of guide bar 6, and on driving piece two 24 were fixed in mount pad 31 to utilize driving piece one 3 to drive the lift of mount pad 31, drive driving piece two 24 by mount pad 31 and go up and down, thereby drive the lift of whole clamping jaw subassembly 2. The driving end of the second driving piece 24 is connected with the lifting seat 23, and the second driving piece 24 drives the lifting seat 23 to lift, so that the clamping jaw 22 can be driven to rotate, and the clamping jaw 22 is controlled to be clamped or loosened.

As shown in fig. 2, the lifting base 23 is provided with two mounting grooves 231 for mounting the clamping jaws 22, and the two mounting grooves 231 are provided in one-to-one correspondence with the clamping jaws 22. Set up slope direction mouth 232 on the cell wall of mounting groove 231, and the bottom of the slope direction mouth 232 on two mounting grooves 231 sets up down towards the direction slope of keeping away from each other, all slides respectively in two direction mouths through guide arm 221 with two clamping jaw 22 bottoms, can drive guide arm 221 and remove in the direction mouth at the in-process that lift seat 23 goes up and down to drive clamping jaw 22 swing. If the clamping jaw 22 clamps the rear lifting seat 23 for positioning, the guide rod 221 is limited in the guide hole, the clamping force of the clamping jaw 22 is limited by the lifting seat 23 at the moment, and the clamping jaw 22 cannot swing any more as long as the lifting seat 23 is not moved, so that a workpiece can be effectively clamped, the workpiece is not easy to pry open, and the stability of clamping the workpiece is improved.

As shown in fig. 2, further, two side walls of the mounting groove 231 are provided with guide openings, and two ends of the guide rod 221 respectively slide in the two guide openings to provide two-point guidance, and two-point limitation is formed during limitation, so as to improve stability when the clamping jaw 22 is driven to swing and position the clamping jaw 22. Wherein, both the two guiding openings are arranged as waist-shaped openings to improve the moving stability of the guiding rod 221. The base 21 is provided with a lifting port 211, and the lifting seat 23 can slide in the lifting port 211 in a lifting manner, so that the lifting port 211 can be used for providing guidance for lifting the lifting seat 23, and the moving stability of the lifting seat 23 can be improved. Base 21 is located lift mouth 211 top and has seted up hinge interface 212, and clamping jaw 22 articulates in hinge interface 212 through the axis of rotation, and the clamping jaw 22 of being convenient for is installed to the swing of clamping jaw 22 provides the direction, improves clamping jaw 22 swing stability.

As shown in fig. 1, a cushion pad 4 is installed at the clamping end of each of the two clamping jaws 22, and the cushion pad 4 is a rubber pad so as to protect the surface of the workpiece during clamping and avoid scratching the surface of the workpiece. Wherein the cushion pad 4 is detachably mounted to the jaw 22 by bolts so that the cushion pad 4 is replaced when the cushion pad 4 is damaged.

As shown in fig. 3, the driving member one 3 is specifically configured as a cylinder one, and a piston rod of the cylinder one is connected to the mounting seat 31, so as to drive the mounting seat 31 to ascend and descend pneumatically. The second driving piece 24 is arranged as a second air cylinder, a piston rod of the second air cylinder is connected with the lifting seat 23 through the lifting rod 25, one end of the lifting rod 25 is connected with the piston rod of the second air cylinder, and the other end of the lifting rod 25 slides to penetrate out of the top of the support 1 and is connected with the lifting seat 23, so that the lifting rod 25 is driven to lift through pneumatic power, the lifting seat 23 is driven to lift, and clamping and loosening of the clamping jaw 22 are controlled conveniently and quickly.

As shown in fig. 3 and 4, the guide rod 6 is a hollow rod, and the guide rod 6 is sleeved outside the lifting rod 25 to protect the lifting rod 25 from lifting, and the two slide independently from each other, so as to improve the stability of the lifting base 23 and the clamping jaw assembly 2 during lifting. In order to facilitate the disassembly and assembly of the clamping jaw assembly 2, the guide rod 6 slides to penetrate through the end outside the top of the support 1 and is connected with the limiting block 7, the bottom of the base 21 is provided with a limiting groove 214 for the insertion of the limiting block 7, the base 21 is connected with the limiting block 7 through the fixing bolt 8, the limiting groove 214 of the base 21 is aligned to the limiting block 7 and is sleeved in the limiting groove 214, the fixing bolt 8 can be utilized to penetrate through the base 21 and is in threaded connection with the limiting block 7, the base 21 can be detachably installed on the limiting block 7, the base 21 can be conveniently disassembled and assembled.

As shown in fig. 3 and 4, a threaded hole 251 is formed at the top end of the lifting rod 25, a relief hole 233 is formed at a position of the lifting base 23 corresponding to the threaded hole 251, a connecting bolt 5 screwed with the threaded hole 251 is arranged in the relief hole 233, and a mounting opening 213 is formed at a position of the base 21 corresponding to the relief hole 233. By using the connecting bolt 5 to pass through the mounting hole 213 and put into the abdicating hole 233, and locking the connecting bolt 5 in the threaded hole 251 on the top end of the lifting rod 25, the lifting seat 23 can be connected with the lifting rod 25, so that the lifting rod 25 drives the lifting seat 23 to move, and the lifting seat 23 is convenient to disassemble and assemble.

The working principle is as follows: when the clamping jaw is used, the first driving piece 3 pushes the mounting seat 31 to ascend, namely, the second driving piece 24 can be driven to ascend, so that the guide rod 6 is pushed and the base 21 is driven to ascend, and the clamping jaw 22 is opposite to two sides of a workpiece. And then, the second driving piece 24 controls the lifting rod 25 to ascend, so that the lifting seat 23 can be driven to ascend, and the clamping jaw 22 is controlled to clamp the workpiece. The lifting seat 23 is lifted to drive the clamping jaw 22 to rotate rapidly, so that the workpiece clamping speed of the clamping jaw 22 can be increased, and the clamping efficiency is improved. When a next workpiece needs to be switched, the second driving piece 24 drives the lifting seat 23 to descend, so that the clamping jaw 22 rotates and is quickly loosened from the workpiece, then the first driving piece 3 drives the mounting seat 31 to descend, namely the second driving piece 24 can be driven to descend, the guide rod 6 is pushed and the base 21 is driven to descend, the clamping jaw 22 is separated from the position of the workpiece, the workpiece can be conveniently taken out and the next workpiece can be conveniently put in, and the effect of improving the use convenience is achieved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a back draws piece clamping jaw mechanism, its characterized in that, includes support (1), sets up clamping jaw subassembly (2) on support (1) and is used for driving piece (3) that clamping jaw subassembly (2) go up and down, clamping jaw subassembly (2) including set up in base (21) on support (1) top, be no less than two and all articulate clamping jaw (22) on base (21), go up and down and set up lift seat (23) in base (21) and be used for driving piece two (24) that lift seat (23) go up and down, set up mounting groove (231) that correspond with clamping jaw (22) on lift seat (23), set up slope direction mouth (232) on the cell wall of mounting groove (231), clamping jaw (22) bottom slides in slope direction mouth (232) through guide arm (221), driving piece (3) set up in support (1) bottom, and the driving end of the first driving part (3) is connected with a mounting seat (31) which can slide on the support (1) in a lifting manner, a guide rod (6) which penetrates out of the top end of the support (1) in a sliding manner is fixed on the mounting seat (31), the base (21) is installed at the top end of the guide rod (6), and the second driving part (24) is installed on the mounting seat (31).

2. A pullback block jaw mechanism as claimed in claim 1, characterized in that said jaws (22) are provided in two and symmetrically on both sides of the base (21), and said mounting slots (231) are provided in two corresponding to the jaws (22).

3. A pullback block jaw mechanism as claimed in claim 2, wherein a cushion pad (4) is mounted on the clamping end of both jaws (22).

4. The back pull block clamping jaw mechanism according to claim 1, wherein the two side walls of the mounting groove (231) are respectively provided with an inclined guide opening (232), two ends of the guide rod (221) respectively slide in the two inclined guide openings (232), and the inclined guide openings (232) are waist-shaped openings.

5. A back-pull block clamping jaw mechanism according to claim 1, characterized in that the base (21) is provided with a lifting opening (211), and the lifting seat (23) is lifted and slid in the lifting opening (211).

6. A back pull block jaw mechanism according to claim 5, characterized in that the base (21) is provided with a hinge interface (212) above the lifting opening (211), and the jaw (22) is hinged in the hinge interface (212) through a rotating shaft.

7. A backhitch clamping jaw mechanism according to claim 1, wherein the first driving member (3) is configured as a first air cylinder, a piston rod of the first air cylinder is connected with the mounting seat (31), the second driving member (24) is configured as a second air cylinder, and a piston rod of the second air cylinder is connected with the lifting seat (23) through a lifting rod (25).

8. The back-pull block clamping jaw mechanism is characterized in that a threaded hole (251) is formed in the top end of the lifting rod (25), a yielding hole (233) is formed in the position, corresponding to the threaded hole (251), of the lifting seat (23), a connecting bolt (5) in threaded connection with the threaded hole (251) is arranged in the yielding hole (233), and a mounting opening (213) is formed in the position, corresponding to the yielding hole (233), of the base (21).

9. The back-pull block clamping jaw mechanism according to claim 8, characterized in that the guide rod (6) is a hollow rod, the guide rod (6) is sleeved outside the lifting rod (25), one end of the guide rod (6) which penetrates out of the top of the bracket (1) in a sliding manner is connected with the limiting block (7), a limiting groove (214) for the limiting block (7) to be inserted is formed in the bottom of the base (21), and the base (21) is connected with the limiting block (7) through a fixing bolt (8).