CN211709338U

CN211709338U - Connecting rod type pneumatic clamping jaw

Info

Publication number: CN211709338U
Application number: CN202020112646.XU
Authority: CN
Inventors: 洪杰; 王操
Original assignee: Jiaxing Xiechang Automation Technology Co ltd
Current assignee: Jiaxing Xiechang Automation Technology Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-10-20
Anticipated expiration: 2030-01-17

Abstract

The utility model provides a pneumatic clamping jaw of connecting rod formula belongs to integrated automation. The clamping jaw mechanism comprises a clamping jaw movably connected with the substrate, and the clamping jaw is connected with the substrate in a swinging mode. The utility model discloses an advantage lie in with the shape according to the work piece, select wherein several clamping jaw work and work piece joint can, and as long as work piece and clamping jaw coupling part's thickness be less than the clamping jaw swing when to the lower extreme and the distance homoenergetic between the base plate fixed by the clamping jaw, can satisfy and be connected and fixed work piece with different shapes or not unidimensional work piece, the commonality is big.

Description

Connecting rod type pneumatic clamping jaw

Technical Field

The utility model belongs to integrated automation especially relates to a pneumatic clamping jaw of connecting rod formula.

Background

With the continuous improvement of the traditional manufacturing industry, the precision degree of some workpieces or products needs to be higher, and the workpiece or product is fixed and moved manually, the precision degree is not high enough, and the workpiece or product is inevitably damaged by human carelessness, and if the workpiece or product is heavy, the workpiece or product is not suitable for manual transportation.

For example, chinese patent document discloses a gripper [ patent application No.:

CN201910001639.4], which comprises a fixed plate, a movable block, a pushing mechanism, an upper spring, a lower spring and claw pieces, wherein the pushing mechanism is arranged on the fixed plate, the movable block is positioned below the fixed plate, a first through hole is arranged on the fixed plate, the pushing mechanism is connected with the movable block through the first through hole and drives the movable block to move in the vertical direction, a plurality of claw pieces are circumferentially arranged on the fixed plate, the upper parts of the claw pieces are hinged on the fixed plate, the claw pieces are connected on the movable block through the upper spring and the lower spring, one end of the upper spring is connected on the movable block, the other end of the upper spring is connected on the upper parts of the claw pieces, one end of the lower spring is connected on the movable block, the, and the joint of the upper spring and the claw piece and the joint of the lower spring and the claw piece are respectively positioned at two sides of the joint of the claw piece and the fixed plate, so that the bearing capacity is large, and an object with an irregular surface can be accurately grabbed. But the utility model can only clamp workpieces or products with specific shapes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a connecting rod formula pneumatic clamping jaw.

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

the utility model provides a connecting rod formula pneumatic clamping jaw, includes the base plate, the base plate on be equipped with a plurality of clamping jaw mechanism, mutual independence between a plurality of clamping jaw mechanism, clamping jaw mechanism include with base plate swing joint's clamping jaw, clamping jaw mechanism still including setting up the swing connecting block in clamping jaw one side, swing connecting block internal rotation be provided with the connecting axle, the both ends of connecting axle extend the both ends of swing connecting block, the both ends of connecting axle respectively rotate and be connected with a pendulum rod, the pendulum rod keep away from the tip of swing connecting block and be connected with the clamping jaw.

In the connecting rod type pneumatic clamping jaw, the swing rod is rotatably connected with the clamping jaw.

In the above link type pneumatic clamping jaw, the clamping jaw mechanism further includes a first driver disposed on the base plate, an output shaft of the first driver is located at a side of the corresponding swing connecting block, and the output shaft of the first driver is rotatably connected with the clamping jaw, and the output shaft of the first driver can reciprocate along a vertical direction.

In the above link type pneumatic clamping jaw, the clamping jaw mechanism further includes a supporting block disposed on the substrate, the supporting block is located on one side of the swing connecting block away from the output shaft of the first driver, and when the output shaft of the first driver moves downward, the clamping jaw is made to approach the corresponding supporting block.

In the connecting rod type pneumatic clamping jaw, the abutting block can reciprocate along the vertical direction of the substrate, penetrates through the substrate and is further connected with a second driver.

In the above connecting rod type pneumatic clamping jaw, the end surface of the abutting block matched with the clamping jaw is smooth, and a clamping groove sunken in the abutting block is arranged on the end surface.

In foretell connecting rod formula pneumatic clamping jaw, the tip of clamping jaw on be equipped with the joint piece, the cross-sectional area of joint piece reduce along the direction of keeping away from the clamping jaw gradually.

In foretell connecting rod formula pneumatic clamping jaw, a plurality of clamping jaw is located one side of base plate, the opposite side of base plate be provided with the pivot, the pivot on be provided with the disc of wearing to establish a plurality of through-hole.

In the above link type pneumatic clamping jaw, the base plate has a plurality of pairs of clamping jaws, and the two clamping jaws corresponding to each other are symmetrically arranged along the center line of the base plate.

In the connecting rod type pneumatic clamping jaw, rubber layers are arranged on the end face, close to the swing connecting block, of the clamping jaw and on the lower end face of the abutting block.

Compared with the prior art, the utility model has the advantages of:

1. the utility model provides a clamping jaw mutually independent, when fixed work piece, can be according to the shape of work piece, select wherein several clamping jaw work and work piece joint can, and as long as work piece and clamping jaw coupling part's thickness be less than the clamping jaw swing to the least and the distance homoenergetic between the base plate fixed by the clamping jaw, can satisfy and be connected and fixed work piece with different shapes or not unidimensional work piece, the commonality is big.

2. The utility model discloses well pendulum rod rotates with the clamping jaw to be connected, drives the clamping jaw at the pendulum rod and is close to the work piece and when offsetting with the work piece, the clamping jaw rotates and can select can be connected with the more inseparable terminal surface of work piece cooperation or more steady terminal surface and work piece, can be more stable fix the work piece.

3. The utility model discloses in support the piece can be along the vertical direction reciprocating motion of base plate, can support the height of piece according to the altitude mixture control of work piece, further can satisfy more with different shapes or not unidimensional work piece joint, and can increase stability.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic view of another orientation of FIG. 1;

figure 3 is a schematic view of a jaw mechanism.

In the figure: the clamping device comprises a base plate 10, a clamping jaw mechanism 11, a clamping jaw 12, a swing connecting block 13, a connecting shaft 14, a swing rod 15, a first driver 16, a resisting block 17, a clamping groove 18, a clamping block 19, a rotating shaft 20 and a disc 21.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Combine shown in fig. 1-3, a pneumatic clamping jaw of connecting rod formula, including base plate 10, base plate 10 on be equipped with a plurality of clamping jaw mechanism 11, mutual independence between a plurality of clamping jaw mechanism 11, clamping jaw mechanism 11 include with base plate 10 swing joint's clamping jaw 12, clamping jaw mechanism 11 still including setting up the swing connecting block 13 in clamping jaw 12 one side, swing connecting block 13 internal rotation be provided with connecting axle 14, the both ends of connecting axle 14 extend the both ends of swing connecting block 13, the both ends of connecting axle 14 respectively rotate and be connected with a pendulum rod 15, pendulum rod 15 keep away from the tip of swing connecting block 13 and be connected with clamping jaw 12.

In the utility model, according to the shape of the workpiece, a plurality of clamping jaw mechanisms 11 are selected to work, so that the selected clamping jaw 12 can swing to clamp the workpiece in the working process, the workpiece can be fixed or stably clamped in the process of moving the workpiece, in the process of clamping the workpiece and the clamping jaw 12, the swing rod 15 swings downwards by taking the connecting shaft 14 as the center to be close to the workpiece, thereby driving the clamping jaw 12 to close to the workpiece to finally form clamping with the workpiece, the workpiece can be fixed by simultaneously forming clamping with the workpiece by a plurality of clamping jaws 12, and as long as the thickness of the connecting part of the workpiece and the clamping jaw is smaller than the distance between the clamping jaw 12 and the base plate 10 when swinging to the lowest end and then swinging upwards, the clamping jaw 12 can be connected with the workpiece, and the connection with workpieces in different shapes or different sizes and the fixation of the workpiece can be satisfied, the universality is high.

The clamping jaw mechanism 11 further comprises a swing connecting block 13 arranged on one side of the clamping jaw 12, a connecting shaft 14 is arranged in the swing connecting block 13 in a rotating mode, two ends of the connecting shaft 14 extend out of two ends of the swing connecting block 13, two ends of the connecting shaft 14 are respectively connected with a swing rod 15 in a rotating mode, and the end portion, far away from the swing connecting block 13, of the swing rod 15 is connected with the clamping jaw 12.

The swing rod 15 is rotatably connected with the clamping jaw 12.

When the swing rod 15 drives the clamping jaw 12 to be close to the workpiece and to be abutted against the workpiece, the clamping jaw 12 can be rotated to select an end face which can be matched with the workpiece more closely or an end face which is more stable to be connected with the workpiece, and the workpiece can be fixed more stably.

The clamping jaw mechanism 11 further comprises a first driver 16 arranged on the base plate 10, an output shaft of the first driver 16 is located on the side edge of the corresponding swing connecting block 13, the output shaft of the first driver 16 is rotatably connected with the clamping jaw 12, and the output shaft of the first driver 16 can reciprocate along the vertical direction.

In this example, during the operation of the clamping jaw 12, the output shaft of the first driver 16 moves downward to push the clamping jaw 12 to move downward, and since the clamping jaw 12 is movably connected to the swing connecting block 13 through the swing rod 15, the edge of the clamping jaw 12 swings downward around the connecting shaft 14 as a center, so that the clamping jaw 12 moves toward a direction close to the workpiece, when the clamping jaw 12 swings upward through the lowest end thereof and abuts against the workpiece, the clamping jaw 12 tightly abuts against the workpiece to form a clamping joint with the workpiece as the first driver 16 continuously outputs, or the output shaft of the first driver 16 moves downward, so that the clamping jaw 12 extends into the workpiece during the swing, and as the first driver 16 continuously outputs, the clamping jaw 12 tightly extends into the workpiece and cannot extend out of the workpiece to form a clamping joint with the workpiece, so as to fix the workpiece.

The clamping jaw mechanism 11 further comprises a resisting block 17 arranged on the base plate 10, the resisting block 17 is located on one side of the swing connecting block 13 far away from the output shaft of the first driver 16, and when the output shaft of the first driver 16 moves downwards, the clamping jaw 12 is made to approach to the corresponding resisting block 17.

The utility model discloses in, at the in-process of fixed work piece, make the work piece support earlier on supporting piece 17, form the joint making clamping jaw 12 and work piece to block the work piece simultaneously through clamping jaw 12 and supporting piece 17, further increase the stable dynamics of fixed work piece.

The resisting block 17 can move back and forth along the vertical direction of the substrate 10, the resisting block 17 penetrates through the substrate 10, and the resisting block 17 is further connected with a second driver.

The utility model discloses in, can support the height of piece 17 according to the altitude mixture control of work piece, make second driver (not shown in the figure) work drive support piece 17 downward or rebound, further can satisfy more with different shapes or not unidimensional work piece joint, and can increase stability.

The end face of the abutting block 17 matched with the clamping jaw 12 is smooth, and a clamping groove 18 recessed in the abutting block 17 is arranged on the end face.

In the process that the abutting block 17 abuts against the workpiece, if the workpiece is provided with a convex part, the part extends into the clamping groove 18, the convex part can be prevented from being impacted on the abutting block 17, and the clamping connection with workpieces in different shapes or sizes can be further met.

The end part of the clamping jaw 12 is provided with a clamping block 19, and the cross sectional area of the clamping block 19 is gradually reduced along the direction far away from the clamping jaw 12.

The utility model discloses in, also can make joint piece 19 extend into the work piece, extend into the work piece through a plurality of joint piece 19 to form the joint with the work piece.

The clamping jaws 12 are positioned on one side of the substrate 10, the other side of the substrate 10 is provided with a rotating shaft 20, and the rotating shaft 20 is provided with a disc 21 penetrating through a plurality of through holes.

The utility model discloses in, outside slewing mechanism can be connected through pivot 20 and disc 21, can rotate base plate 10 according to the angle and the shape of work piece and make a plurality of clamping jaw 12 can be connected and form the joint with the work piece in suitable position on the work piece.

The base plate 10 is provided with a plurality of pairs of clamping jaws 12, and the two clamping jaws 12 corresponding to each other are symmetrically arranged along the central line of the base plate 10.

The utility model discloses in, when fixed work piece, the effort that produces between the clamping jaw 12 of two mutual symmetries and the work piece can be balanced, increases stability.

Furthermore, in the present invention, the first actuator 16 and the second actuator may be an air cylinder or an oil cylinder.

Rubber layers are arranged on the end face of the clamping jaw 12 close to the swing connecting block 13 and the lower end face of the abutting block 17.

When clamping a workpiece through the clamping jaw 12 and the abutting block 17, the end face with the rubber layer is connected with the workpiece, on one hand, the rubber layer can increase friction force, and on the other hand, the rubber layer has certain flexibility and can prevent the workpiece from being damaged.

The utility model discloses a theory of operation does: during the working process of the clamping jaw 12, the output shaft of the first driver 16 moves downwards to push the clamping jaw 12 to move downwards, and as the clamping jaw 12 is movably connected with the swing connecting block 13 through the swing rod 15, the edge of the clamping jaw 12 swings downwards by taking the connecting shaft 14 as a center, so that the clamping jaw 12 moves towards the direction close to the workpiece, when the clamping jaw 12 swings upwards through the lowest end of the clamping jaw and abuts against the workpiece, the clamping jaw 12 tightly abuts against the workpiece to form clamping connection with the workpiece along with the continuous output of the first driver 16, or the output shaft of the first driver 16 moves downwards, so that the clamping jaw 12 extends into the workpiece during the swinging process, and as the first driver 16 continuously outputs, the clamping jaw 12 cannot extend out of the workpiece in the workpiece to form clamping connection with the workpiece, so as to fix the workpiece.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the base plate 10, the jaw mechanism 11, the jaws 12, the swing connecting block 13, the connecting shaft 14, the swing link 15, the first driver 16, the abutting block 17, the engaging groove 18, the engaging block 19, the rotating shaft 20, the disk 21, etc. are used more frequently herein, these terms are used only for the convenience of describing and explaining the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a pneumatic clamping jaw of connecting rod formula, includes base plate (10), its characterized in that, base plate (10) on be equipped with a plurality of clamping jaw mechanism (11), mutual independence between a plurality of clamping jaw mechanism (11), clamping jaw mechanism (11) include clamping jaw (12) with base plate (10) swing joint, clamping jaw mechanism (11) still including setting up swing connecting block (13) in clamping jaw (12) one side, swing connecting block (13) internal rotation be provided with connecting axle (14), the both ends of connecting axle (14) extend the both ends of swing connecting block (13), the both ends of connecting axle (14) respectively rotate and be connected with a pendulum rod (15), pendulum rod (15) keep away from the tip and clamping jaw (12) of swing connecting block (13) and be connected.

2. A link-type pneumatic jaw according to claim 1, characterized in that the swing link (15) is rotatably connected to the jaw (12).

3. A link-type pneumatic jaw as claimed in claim 1, characterized in that said jaw mechanism (11) further comprises a first driver (16) disposed on the base plate (10), an output shaft of said first driver (16) being located on a side of the corresponding swing link block (13), and an output shaft of said first driver (16) being rotatably connected to the jaw (12), said output shaft of said first driver (16) being capable of reciprocating in a vertical direction.

4. A link-type pneumatic jaw according to claim 3, wherein said jaw mechanism (11) further comprises a stop (17) disposed on the base plate (10), said stop (17) being located on a side of the swing link (13) remote from the output shaft of the first driver (16), said stop (12) being adapted to move closer to the corresponding stop (17) when the output shaft of the first driver (16) moves downward.

5. The connecting rod type pneumatic clamping jaw as claimed in claim 4, characterized in that the resisting block (17) can reciprocate along the vertical direction of the base plate (10), the resisting block (17) penetrates through the base plate (10), and the resisting block (17) is further connected with a second driver.

6. A connecting rod type pneumatic clamping jaw according to claim 4 or 5, characterized in that the end surface of the abutting block (17) matched with the clamping jaw (12) is smooth, and a clamping groove (18) sunken in the abutting block (17) is arranged on the end surface.

7. A link-type pneumatic clamping jaw according to claim 1, characterized in that the clamping jaw (12) is provided with a clamping block (19) at its end, and the cross-sectional area of the clamping block (19) decreases gradually in the direction away from the clamping jaw (12).

8. A link-type pneumatic jaw as claimed in claim 1, wherein the jaws (12) are located on one side of the base plate (10), the other side of the base plate (10) is provided with a rotating shaft (20), and the rotating shaft (20) is provided with a disc (21) through which a plurality of through holes are formed.

9. A link-type pneumatic jaw according to claim 1, wherein the base plate (10) has a plurality of pairs of jaws (12), and the two jaws (12) corresponding to each other are symmetrically disposed along the center line of the base plate (10).

10. A link-type pneumatic clamping jaw according to claim 4, characterized in that the clamping jaw (12) is provided with rubber layers on the end surface close to the swing connecting block (13) and on the lower end surface of the abutting block (17).