CN215614606U

CN215614606U - Automatic clamping hand for workpiece production

Info

Publication number: CN215614606U
Application number: CN202121341731.4U
Authority: CN
Inventors: 王长土
Original assignee: Wuhan Changhua Changyuan Auto Parts Co ltd
Current assignee: Wuhan Changhua Changyuan Auto Parts Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-25
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to an automatic clamping hand for workpiece production, which comprises a fixed seat, wherein the fixed seat is connected with an L-shaped cylinder base through a first L-shaped connecting plate; the first L-shaped connecting plate is respectively connected with the fixed seat and the L-shaped cylinder base through bolts; the L-shaped cylinder base is provided with a connecting rod and a cylinder, and one end of the L-shaped cylinder base, which is far away from the first L-shaped connecting plate, is fixedly provided with a first clamping plate; a bracket is arranged between the first clamping plate and the cylinder; one end of the connecting rod is fixedly provided with a second clamping plate, the other end of the connecting rod is hinged with a piston rod of the air cylinder, and the middle part of the connecting rod is hinged with the bracket; the cylinder body of the cylinder is hinged with the L-shaped cylinder base. The automatic clamping device has the advantages of simple structure, convenience in disassembly and maintenance, large clamping force, high working reliability and high practicability, can realize automatic clamping and placing of workpieces by using the air cylinder as a power source, further realizes automatic production of the workpieces, obviously improves the production efficiency and quality of the workpieces, reduces the production cost of the workpieces, and effectively avoids manual operation errors and potential safety hazards.

Description

Automatic clamping hand for workpiece production

Technical Field

The utility model belongs to the technical field of automobile manufacturing die stamping equipment, and particularly relates to an automatic clamping hand for workpiece production.

Background

In the stamping process of the automobile manufacturing die, 1 two hands are needed to stably transfer a workpiece from a previous station to a next station, and the stability and efficiency of production are guaranteed to be high. And the manual operation has operation error and potential safety hazard, and efficiency is lower to influence the production efficiency and the quality of work piece. In addition, the labor cost is high, and the operator needs to operate frequently, which is easy to fatigue.

With the rapid development of industrial technology, automatic robot grippers have begun to gradually replace human hands to take and place workpieces. Its advantages are high efficiency, low cost and no fatigue. Most of the existing automatic clamping hands have complex structures, are not easy to detach and maintain, and have small clamping force, low working reliability and low clamping and placing precision.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic clamping hand for workpiece production, aiming at the technical problems in the prior art.

The technical scheme for solving the technical problems is as follows:

an automatic clamping hand for workpiece production comprises a fixed seat, wherein the fixed seat is connected with an L-shaped cylinder base through a first L-shaped connecting plate; the horizontal part and the vertical part of the first L-shaped connecting plate are respectively in bolted connection with the fixed seat and the L-shaped cylinder base; the L-shaped cylinder base is provided with a connecting rod and a cylinder, and one end of the L-shaped cylinder base, which is far away from the first L-shaped connecting plate, is fixedly provided with a first clamping plate; a bracket is arranged between the first clamping plate and the cylinder; one end of the connecting rod is fixedly provided with a second clamping plate matched with the first clamping plate, the other end of the connecting rod is hinged with a piston rod of the air cylinder, and the middle part of the connecting rod is hinged with the bracket; and the cylinder body of the cylinder is hinged with the L-shaped cylinder base.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the first L-shaped connecting plate is respectively connected with the fixed seat and the L-shaped cylinder base through bolts and locking nuts; the horizontal part and the vertical part of the first L-shaped connecting plate are respectively provided with a plurality of horizontal strip holes and vertical strip holes; and threaded holes matched with the bolts in a threaded manner are formed in the fixing seat and the L-shaped cylinder base.

Further, the number of the horizontal strip holes and the number of the vertical strip holes are two.

Further, the fixed seat is connected with an L-shaped mounting plate through a second L-shaped connecting plate; the second L-shaped connecting plate and the first L-shaped connecting plate are arranged in parallel and have the same structure; and one end of the L-shaped mounting plate, which is far away from the second L-shaped connecting plate, is provided with a limiting support piece.

Furthermore, first L type connecting plate and second L type connecting plate symmetry are installed on the fixing base.

Further, the spacing support comprises a top plate and a bottom plate; the first curb plate of one side fixedly connected with that L type cylinder base was kept away from to roof and bottom plate, one side fixedly connected with second curb plate that is close to L type mounting panel.

Furthermore, the inclined guide plates are fixedly connected to one sides of the top plate, the bottom plate and the first side plate, which are far away from the first side plate.

The utility model has the beneficial effects that: the automatic clamping device has the advantages of simple structure, convenience in disassembly and maintenance, large clamping force, high working reliability and high practicability, can realize automatic clamping and placing of workpieces by using the air cylinder as a power source, further realizes automatic production of the workpieces, obviously improves the production efficiency and quality of the workpieces, reduces the production cost of the workpieces, and effectively avoids manual operation errors and potential safety hazards.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a partial structural view from another perspective of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

10. fixing base, 11, the connecting rod, 20, first L type connecting plate, 21, horizontal rectangular hole, 22, vertical rectangular hole, 23, bolt, 30, L type cylinder base, 31, screw hole, 32, first grip block, 33, support, 40, connecting rod, 41, second grip block, 50, the cylinder, 60, second L type connecting plate, 70, L type mounting panel, 80, spacing support piece, 81, the roof, 82, the bottom plate, 83, first curb plate, 84, second curb plate, 85, the deflector.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are intended to be construed broadly, as if they were connected either fixedly or removably, or as integrally formed structures. To those of ordinary skill in the art, the specific meaning of such terms in this patent may be understood as appropriate.

As shown in fig. 1 to 4, the automatic gripper for workpiece production according to the present invention includes a fixing base 10, and the fixing base 10 is connected to an L-shaped cylinder base 30 through a first L-shaped connecting plate 20. The horizontal part and the vertical part of the first L-shaped connecting plate 20 are respectively bolted with the fixing base 10 and the L-shaped cylinder base 30, so as to facilitate disassembly and maintenance. The L-shaped cylinder base 30 is provided with a connecting rod 40 and a cylinder 50, and one end of the L-shaped cylinder base, which is far away from the first L-shaped connecting plate 20, is fixedly provided with a first clamping plate 32. A bracket 33 is arranged between the first clamping plate 32 and the cylinder 50. One end of the connecting rod 40 is fixedly provided with a second clamping plate 41 matched with the first clamping plate 31, the other end of the connecting rod is hinged with a piston rod of the air cylinder 50, and the middle part of the connecting rod is hinged with the bracket 33. That is, the second clamping plate 41 is rotatable around the middle of the link 40. The cylinder body of the cylinder 50 is hinged with the L-shaped cylinder base 30. Preferably, the link 40 is L-shaped.

The automatic clamping hand has a simple structure, is convenient to disassemble and maintain, has large clamping force, utilizes the air cylinder 50 as a power source, and drives the second clamping plate 41 on the connecting rod 40 to rotate towards the direction of the first clamping plate 32 when the piston rod of the air cylinder 50 extends outwards until clamping a workpiece on the first clamping plate 32; when the piston rod of the cylinder 50 retracts inwards, the second clamping plate 41 on the connecting rod 40 is driven to rotate in the direction away from the second clamping plate 32 until the workpiece of the first clamping plate 32 is loosened, so that the workpiece is automatically clamped and placed, automatic production of the workpiece is realized, manual operation errors are effectively avoided, the production quality of the workpiece is obviously improved, and the production cost of the workpiece is reduced.

In practical use, the automatic gripper adjusts a proper clamping piece and a proper piece placing angle according to the size (thickness) of a workpiece, the production speed can reach 25 pieces/minute, and the production speed is 8 pieces/minute during manual operation, so that the production efficiency of the workpiece is obviously improved.

As shown in fig. 1 to 3, the first L-shaped connecting plate 20 is connected to the fixing base 10 and the L-shaped cylinder base 30 through a bolt 23 and a lock nut, respectively, so as to facilitate detachment and maintenance. The horizontal portion and the vertical portion of the first L-shaped connecting plate 20 are respectively provided with a plurality of horizontal elongated holes 21 and vertical elongated holes 22. And threaded holes 31 matched with the bolts 23 in a threaded manner are formed in the fixed seat 10 and the L-shaped cylinder base 30. The horizontal position and the vertical position of the L-shaped cylinder base 30 are adjusted by arranging the horizontal strip hole 21 and the vertical strip hole 22, so that the practicability and the application range of the automatic clamping hand are improved.

As shown in fig. 2 and 3, the number of the horizontal elongated holes 21 and the number of the vertical elongated holes 22 are two, so that the structural stability and the operational reliability of the automatic gripper are improved, and potential safety hazards are effectively avoided.

As shown in fig. 1 to 4, the fixing base 10 is connected to an L-shaped mounting plate 70 through a second L-shaped connecting plate 60. The second L-shaped connecting plate 60 is arranged in parallel with the first L-shaped connecting plate 20, and the two structures are the same. The end of the L-shaped mounting plate 70 remote from the second L-shaped connecting plate 60 is mounted with a spacing support 80. The limiting support part 80 has the limiting and supporting functions on the workpiece, so that the working reliability and the clamping and placing precision of the automatic clamping hand are improved.

As shown in fig. 1 to 3, the first L-shaped connecting plate 20 and the second L-shaped connecting plate 60 are symmetrically installed on the fixing base 10 to improve structural stability and operational reliability of the automatic gripper.

As shown in fig. 1 and 4, the spacing support 80 includes a top plate 81 and a bottom plate 82; the top plate 81 and the bottom plate 82 are fixedly connected with a first side plate 83 at one side far away from the L-shaped cylinder base 30, and fixedly connected with a second side plate 84 at one side close to the L-shaped mounting plate 70. Therefore, the limiting and supporting functions of the limiting and supporting piece 80 on the workpiece are achieved, and the working reliability and the clamping and placing precision of the automatic clamping hand are improved. The top plate 81, the bottom plate 82 and one side of the first side plate 83 away from the first side plate 84 are all fixedly connected with an inclined guide plate 85. The guide plate 85 plays a role in guiding the clamping and placing of the workpiece, and the working reliability of the automatic clamping hand is further improved.

In practical use, the middle part of the fixed seat 10 can be mounted on a carrying rod or a robot arm or a sliding block running along a fixed motion path through a connecting rod 11. And the L-shaped cylinder base 30 and the L-shaped mounting plate 70 are adjusted to appropriate positions by the first L-shaped connecting plate 20 and the second L-shaped connecting plate 60, respectively, according to the size (length or width) and position of the workpiece.

The mechanisms, components and parts of the utility model which are not described in the specific structure are the existing structures existing in the prior art and can be directly purchased from the market.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The automatic clamping hand for workpiece production is characterized by comprising a fixed seat (10), wherein the fixed seat (10) is connected with an L-shaped cylinder base (30) through a first L-shaped connecting plate (20); the horizontal part and the vertical part of the first L-shaped connecting plate (20) are respectively in bolted connection with the fixed seat (10) and the L-shaped cylinder base (30); a connecting rod (40) and an air cylinder (50) are arranged on the L-shaped air cylinder base (30), and a first clamping plate (32) is fixedly arranged at one end of the L-shaped air cylinder base, which is far away from the first L-shaped connecting plate (20); a bracket (33) is arranged between the first clamping plate (32) and the cylinder (50); one end of the connecting rod (40) is fixedly provided with a second clamping plate (41) matched with the first clamping plate (31), the other end of the connecting rod is hinged with a piston rod of the cylinder (50), and the middle part of the connecting rod is hinged with the bracket (33); the cylinder body of the cylinder (50) is hinged with the L-shaped cylinder base (30).

2. The automatic tong of claim 1, wherein the first L-shaped connecting plate (20) is connected with the fixed seat (10) and the L-shaped cylinder base (30) through bolts (23) and locking nuts respectively; the horizontal part and the vertical part of the first L-shaped connecting plate (20) are respectively provided with a plurality of horizontal strip holes (21) and vertical strip holes (22); and threaded holes (31) matched with the bolts (23) in a threaded manner are formed in the fixing seat (10) and the L-shaped cylinder base (30).

3. An automatic gripper according to claim 2, characterized in that said horizontal elongated holes (21) and vertical elongated holes (22) are both two in number.

4. The automatic tong of claim 1, wherein the fixed seat (10) is connected with an L-shaped mounting plate (70) through a second L-shaped connecting plate (60); the second L-shaped connecting plate (60) and the first L-shaped connecting plate (20) are arranged in parallel and have the same structure; and a limiting support part (80) is arranged at one end, far away from the second L-shaped connecting plate (60), of the L-shaped mounting plate (70).

5. An automatic gripper according to claim 4, characterized in that said first L-shaped connecting plate (20) and said second L-shaped connecting plate (60) are symmetrically mounted on the fixed seat (10).

6. Automatic gripper according to claim 4, characterized in that said limit support (80) comprises a top plate (81) and a bottom plate (82); the top plate (81) and the bottom plate (82) are fixedly connected with a first side plate (83) on one side far away from the L-shaped cylinder base (30), and a second side plate (84) on one side close to the L-shaped mounting plate (70).

7. An automatic gripper according to claim 6, characterised in that the top plate (81), the bottom plate (82) and the side of the first side plate (83) remote from the first side plate (84) are each fixedly connected with an inclined guide plate (85).