Plate clamping device

Abstract

The utility model provides a plate clamping device, and belongs to the technical field of plate clamping equipment. The plate clamping device comprises a base, a lower warped plate is hinged to the base, an upper warped plate is hinged to the lower warped plate, and the plate clamping device further comprises a driving part which drives the upper warped plate and the lower warped plate to swing and enables the outer ends of the upper warped plate and the lower warped plate to be close to each other. The driving piece of the plate clamping device can drive the lower warping plate to swing, self-adaptive clamping can be achieved for deformed plates or plates with different thicknesses, scratches of the plates are avoided, scratches generated by manual grinding are not needed, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plate material clamping equipment and relates to a plate material clamping device. Background Art

[0002] When shearing a sheet metal, a sheet metal clamping mechanism is required to clamp the sheet metal. Regarding the working principle of the sheet metal clamping mechanism, reference may be made to a clamp for a sheet metal processing system provided in application number 201220231032.9.

[0003] The sheet metal clamping mechanism is mounted on the automatic shearing machine, holding the sheet metal before shearing and pushing it forward to perform the automatic shearing function. Since the sheet metal itself may be uneven, with varying heights, hard clamping can easily cause scratches where the sheet metal contacts the universal ball joint on the shearing machine. Summary of the Invention

[0004] The utility model aims to solve the above problems in the prior art and provides a plate material clamping device. The technical problem to be solved by the utility model is: how to avoid scratches on the plate material.

[0005] The purpose of this utility model can be achieved through the following technical solutions:

[0006] A sheet material clamping device includes a base, characterized in that a lower rocker plate is hinged on the base, an upper rocker plate is hinged on the lower rocker plate, and a driving member is provided for driving the upper and lower rockers to swing and bring their outer ends close to each other.

[0007] Its working principle is:

[0008] During operation, the sheet material is sucked onto the universal ball in the feeding preparation area of the shearing equipment by the sheet material suction device, and the sheet material is positioned by the side support cylinder. Then the sheet material clamping device moves forward so that the sheet material is between the lower rocker plate and the upper rocker plate. Then the driving part is started to bring the ends of the upper rocker plate and the lower rocker plate close to each other and clamp the sheet material. Then the sheet material is fed forward according to the shearing width to realize automatic shearing.

[0009] In this sheet metal clamping device, the driving part can drive the lower rocker plate to swing, and adaptive clamping can be achieved for deformed sheets or sheets of different thicknesses. When the sheet metal clamping device feeds forward, the lower rocker plate can swing, that is, float up and down, according to the thickness of the sheets, to avoid scratches on the sheet metal at the contact point with the universal ball on the shearing machine, and there is no need to manually polish the scratches, thereby improving production efficiency.

[0010] In the above-mentioned sheet material clamping device, two fixed plates 1 are installed on the top of the base, the fixed plates 1 are arranged opposite to each other, and the inner end portion of the lower rocker plate is located between the two fixed plates 1 and is hinged to the two fixed plates 1.

[0011] The lower rocker is hinged to the top of the base through two oppositely arranged fixing plates. Driven by the driving member, the lower rocker can swing relative to the base, which also improves the stability of the rotation.

[0012] In the above-mentioned sheet material clamping device, two fixed plates 2 are installed near the outer end of the lower rocker plate, the fixed plates 2 are arranged opposite to each other, the upper rocker plate is located between the two fixed plates 2 and the middle part of the upper rocker plate is hinged to the two fixed plates 2.

[0013] The upper rocker plate is hinged to the lower rocker plate through the second fixed plate. Under the drive of the driving member, the upper rocker plate can swing relative to the lower rocker plate. The two second fixed plates are arranged relative to each other, which improves the stability of rotation and also clamps the sheet more firmly.

[0014] In the above-mentioned sheet material clamping device, the outer end portion of the upward-swinging plate has a boss, and the boss protrudes downward.

[0015] A boss is provided at the outer end of the lower rocker plate, and when the lower rocker plate cooperates with the upper rocker plate to clamp the sheet material, the sheet material can be clamped better.

[0016] In the above-mentioned sheet material clamping device, a guide plate is installed at the outer end of the lower rocker plate, the inner half of the guide plate is fixed on the lower rocker plate, and the outer half of the guide plate gradually tilts downward from the inside to the outside.

[0017] The guide plate plays a good guiding role, making it easier for the sheet to enter the lower rocker plate, and also avoiding scratches when the bottom of the sheet contacts the lower rocker plate.

[0018] In the above-mentioned sheet material clamping device, an ejection cylinder is installed on one side of the lower rocker plate close to the outer end portion, the piston rod of the ejection cylinder extends laterally and a push block is installed on the piston rod.

[0019] When the sheet metal is sheared to the last piece, the ejection cylinder drives the push block to move outward, and the push block pushes the sheet metal out, improving the convenience of operation. After that, the sheet metal clamping device returns to its original position, and the cycle is repeated to realize automatic shearing.

[0020] In the above-mentioned sheet material clamping device, the driving member includes a cylinder 1, the piston rod of the cylinder 1 is connected to the middle part of the lower rocker plate, and the inner end of the upper rocker plate is connected to the cylinder body of the cylinder 1.

[0021] When the piston rod of cylinder one is extended, the upper and lower rocker plates swing toward each other, their outer ends approach each other and clamp the sheet material. When the piston rod of cylinder one is retracted, the upper and lower rocker plates swing in the opposite directions, their outer ends move away from each other and release the sheet material.

[0022] As another embodiment, the air cylinder may also be replaced by an oil cylinder or a linear motor.

[0023] Compared with the prior art, the advantages of the present invention are as follows:

[0024] The driving part of the sheet metal clamping device can drive the lower rocker plate to swing. For deformed sheets or sheets with different thicknesses, adaptive clamping can be achieved to avoid scratches on the sheets. There is no need to manually polish the scratches, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram of the sheet material clamping device;

[0026] Figure 2 It is a schematic diagram of the sheet metal clamping device when it is working.

[0027] In the figure: 1 base, 2 lower rocker plate, 3 upper rocker plate, 4 driving member, 5 fixed plate 1, 6 fixed plate 2, 7 boss, 8 guide plate, 9 ejection cylinder, 10 push block, 11 cylinder 1, 12 piston rod, 13 cylinder body, 14 sheet material, 15 sheet material clamping device. DETAILED DESCRIPTION

[0028] The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments.

[0029] like Figure 1-2 As shown, the sheet material clamping device 15 includes a base 1, a lower rocker plate 2 is hinged on the base 1, an upper rocker plate 3 is hinged on the lower rocker plate 2, and a driving member 4 that drives the upper rocker plate 3 and the lower rocker plate 2 to swing and bring their outer ends close to each other.

[0030] During operation, the sheet material 14 is sucked onto the universal ball in the feed preparation area of the shearing equipment by the sheet suction device, and the sheet material 14 is positioned by the side support cylinder. Then the sheet material clamping device 15 moves forward so that the sheet material 14 is between the lower rocker plate 2 and the upper rocker plate 3. Then the driving part 4 is started to bring the ends of the upper rocker plate 3 and the lower rocker plate 2 close to each other and clamp the sheet material 14. Then the sheet material is fed forward according to the shearing width to realize automatic shearing.

[0031] like Figure 1 As shown, in this embodiment, two fixed plates 5 are installed on the top of the base 1, and the fixed plates 5 are arranged opposite to each other. The inner end of the lower rocker plate 2 is located between the two fixed plates 5 and is hinged to the two fixed plates 5.

[0032] The lower rocker 2 is hinged to the top of the base 1 through two oppositely arranged fixed plates 5. Driven by the driving member 4, the lower rocker 2 can swing relative to the base 1, which also improves the stability of the rotation.

[0033] like Figure 1As shown, in this embodiment, two fixed plates 2 6 are installed near the outer end of the lower rocker 2, and the fixed plates 2 6 are arranged opposite to each other. The upper rocker 3 is located between the two fixed plates 2 6 and the middle part of the upper rocker 3 is hinged to the two fixed plates 2 6.

[0034] The upper rocker plate 3 is hinged to the lower rocker plate 2 through the fixed plate 2 6. Under the drive of the driving member 4, the upper rocker plate 3 can swing relative to the lower rocker plate 2. The two fixed plates 2 6 are arranged relative to each other, which improves the stability of the rotation and also clamps the sheet material 14 more firmly.

[0035] like Figure 1 As shown, in this embodiment, the outer end of the upward rocker plate 3 has a boss 7, and the boss 7 protrudes downward.

[0036] A boss is provided at the outer end of the lower rocker plate 2 , so that when the lower rocker plate 2 and the upper rocker plate 3 cooperate to clamp the sheet material 14 , the sheet material 14 can be clamped better.

[0037] like Figure 1 As shown, in this embodiment, a guide plate 8 is installed at the outer end of the lower rocker 2, the inner half of the guide plate 8 is fixed on the lower rocker 2, and the outer half of the guide plate 8 gradually tilts downward from the inside to the outside.

[0038] The guide plate 8 plays a good guiding role, making it easier for the sheet material 14 to enter the lower rocker plate 2 and preventing scratches from being generated when the bottom of the sheet material 14 contacts the lower rocker plate 2 .

[0039] like Figure 1 As shown, in this embodiment, a push-out cylinder 9 is installed on one side of the lower rocker plate 2 close to the outer end portion. The piston rod of the push-out cylinder 9 extends laterally and a push block 10 is installed on the piston rod.

[0040] When the sheet material 14 is sheared to the last piece, the ejection cylinder 9 drives the push block 10 to move outward, and the push block 10 pushes the sheet material 14 out to improve the convenience of operation. Then the sheet material clamping device 15 returns to its original position, and the cycle is repeated to realize automatic shearing.

[0041] like Figure 1 As shown, in this embodiment, the driving member 4 includes a cylinder 11, a piston rod 12 of the cylinder 11 is connected to the middle part of the lower rocker plate 2, and the inner end of the upper rocker plate 3 is connected to the cylinder body 13 of the cylinder 11.

[0042] When the piston rod 12 of the cylinder 11 retracts, the upper rocker plate 3 and the lower rocker plate 2 swing toward each other, and their outer ends approach each other and clamp the sheet material 14. When the piston rod 12 of the cylinder 11 extends, the upper rocker plate 3 and the lower rocker plate 2 swing in the opposite direction, and their outer ends move away from each other and release the sheet material 14.

[0043] As another embodiment, the air cylinder 11 may also be replaced by an oil cylinder or a linear motor.

[0044] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A sheet material clamping device, comprising a base (1), characterized in that: The base (1) is hingedly connected to a lower rocker plate (2), and the lower rocker plate (2) is hingedly connected to an upper rocker plate (3). The base (1) also includes a driving member (4) for driving the upper rocker plate (3) and the lower rocker plate (2) to swing and bring their outer ends closer together.

2. A sheet material clamping device according to claim 1, characterized in that: Two fixed plates (5) are installed on the top of the base (1), and the fixed plates (5) are arranged opposite to each other. The inner end of the lower rocker plate (2) is located between the two fixed plates (5) and is hinged on the two fixed plates (5).

3. A sheet material clamping device according to claim 1, characterized in that: Two second fixing plates (6) are installed near the outer end of the lower rocker plate (2), and the second fixing plates (6) are arranged opposite to each other. The upper rocker plate (3) is located between the two second fixing plates (6), and the middle part of the upper rocker plate (3) is hinged on the two second fixing plates (6).

4. A sheet material clamping device according to claim 1, 2 or 3, characterized in that: The outer end of the upward-swaying plate (3) has a boss (7), and the boss (7) protrudes downward.

5. A sheet material clamping device according to claim 1, 2 or 3, characterized in that: A guide plate (8) is installed at the outer end of the lower rocker plate (2), the inner half of the guide plate (8) is fixed on the lower rocker plate (2), and the outer half of the guide plate (8) gradually tilts downward from the inside to the outside.

6. A sheet material clamping device according to claim 1, 2 or 3, characterized in that: A push-out cylinder (9) is installed on one side of the lower rocker plate (2) close to the outer end portion. The piston rod (12) of the push-out cylinder (9) extends laterally and a push block (10) is installed on the piston rod (12).

7. A sheet material clamping device according to claim 1, characterized in that: The driving member (4) includes a cylinder (11), a piston rod (12) of the cylinder (11) is connected to the middle of the lower rocker plate (2), and the inner end of the upper rocker plate (3) is connected to the cylinder body (13) of the cylinder (11).

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