Plate clamping device for numerical control punching machine

Abstract

The utility model belongs to the technical field of clamping devices, and particularly relates to a plate clamping device for a numerical control press. A clamping assembly is arranged between every two adjacent cross beams and comprises a clamping base, a clamping plate hinged to the clamping base and a first air cylinder connected with the clamping plate. When the first air cylinder extends, the telescopic end of the first air cylinder abuts against the clamping base so that the clamping plate can rotate around the clamping base to clamp a plate. The rotary telescopic cylinders are connected with the corresponding cross beams, and the telescopic ends of the rotary telescopic cylinders are connected with baffles; according to the plate clamping device for the numerical control punching machine, when plates are placed on the corresponding cross beams, the rotary telescopic air cylinders drive the baffles to retract, the baffles push the plates to slide on the corresponding cross beams to make contact with the clamping bases so that the inclined plates can return to be horizontal, automatic straightening and clamping of the plates are achieved, manual intervention is reduced, and the working efficiency is improved. Due to automatic operation, the time for manual righting and clamping is shortened, and the overall production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to clamping device technical field, concretely relates to a plate clamping device for numerical control punch press. BACKGROUND

[0002] The plate clamping device for numerical control punch press is mainly used for fixing and clamping the plate to be processed to ensure that the plate can keep stable during the processing of punch press and prevent processing error caused by movement or shaking.

[0003] The traditional plate clamping device usually needs to be loaded by robot or manually in actual application, but after that, additional righting operation is needed to ensure that the clamping device can stably clamp the plate because of the inclination deviation of the plate position. This operation mode not only increases the complexity of work process and reduces production efficiency, but also has certain error when the robot loading is used for a long time. Although manual loading and righting operation avoid error, the efficiency is low, and at the same time, it is difficult to ensure that the plate can be accurately righted every time, thereby affecting the stability of clamping and the precision of subsequent processing. In addition, manual operation also has certain labor intensity, and long-time work is easy to cause fatigue and mistake.

[0004] Therefore, in order to solve the above problems, it is necessary to design a plate clamping device for numerical control punch press. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a plate clamping device for numerical control punch press to solve the technical problems mentioned in the background art.

[0006] In order to solve the above technical problems, the utility model provides a plate clamping device for numerical control punch press, which comprises:

[0007] The support frame comprises: vertical beams and a plurality of equidistantly arranged cross beams; wherein

[0008] One end of each of the cross beams is connected with the vertical beam;

[0009] The clamping assembly is arranged between adjacent cross beams and comprises: a clamping base, a clamping plate hingedly connected with the clamping base and a first air cylinder connected with the clamping plate; wherein

[0010] When the first air cylinder is elongated, the telescopic end abuts against the clamping base to make the clamping plate rotate around the clamping base to clamp the plate;

[0011] At least two rotary telescopic air cylinders are connected with the corresponding cross beams, and the telescopic end is connected with a baffle;

[0012] When the board is placed on the corresponding beam, the rotary telescopic cylinder drives the baffle to retract, the baffle pushes the board to slide on the corresponding beam to contact the clamping base, so that the inclined board is restored to be horizontal.

[0013] Further, the beam is embedded with a plurality of equidistantly arranged placing seats; wherein

[0014] The top of the placing seat is provided with a recess; and

[0015] The recess is provided with a ball;

[0016] The ball is adapted to contact the board.

[0017] Further, the baffle is provided with a pad; wherein

[0018] The pad is adapted to contact the board.

[0019] Further, the side surface of the clamping plate is provided with an inclined portion;

[0020] The clamping base comprises a hinged portion; wherein

[0021] The board is adapted to abut against the hinged portion;

[0022] The clamping assembly further comprises a rubber disc connected to the telescopic end of the first cylinder, a first rubber sheet arranged on the inclined portion, and a second rubber sheet arranged on the clamping base; wherein

[0023] The rubber disc is in contact with the clamping base; and

[0024] The clamping plate and the clamping base are adapted to clamp the board through the first rubber sheet and the second rubber sheet.

[0025] Further, the bottom of the support frame is provided with a moving assembly;

[0026] The moving assembly comprises a slide rail arranged at the bottom of the beam, at least one slide block arranged on the slide rail, a moving plate connected to each slide block, and a plurality of connecting blocks arranged on the moving plate; wherein

[0027] Each connecting block is connected to the corresponding clamping base; and

[0028] The moving plate is adapted to slide on the slide rail through the slide block to drive the clamping assembly or the clamping assembly and the board to move position; and

[0029] The rotary telescopic cylinder is adapted to rotate when the board moves forward to drive the baffle and the pad to rotate to the lower side of the board to avoid the board.

[0030] Further, the moving assembly further comprises a second cylinder connected to the moving plate; wherein

[0031] The second air cylinder is adapted to drive the moving plate to move when extending and retracting, so that the moving plate slides on the slide rail through the sliding block.

[0032] The utility model discloses the beneficial effect is:

[0033] (One), the board is placed on the crossbeam of support frame, and the rotary telescopic cylinder starts, drives the baffle to retract and promotes the board to slide on the crossbeam, and the board inclined position first contacts the current clamping base, and the rotary telescopic cylinder drives the baffle to promote the board, makes the board and multiple clamping base contact, makes the board gradually restore the horizontal state, and the rotary telescopic cylinder stops action, at this time, the first air cylinder extends, and the telescopic end is opposite to the clamping base, and the clamping plate is pushed around the fulcrum to rotate to clamp the board, at this time, the rotary telescopic cylinder starts again, extends and rotates to avoid the board, through the above steps, the automatic righting and clamping of the board are realized through the cooperative work of the rotary telescopic cylinder and the first air cylinder, manual intervention is reduced, and the automatic operation reduces the time of manual righting and clamping, improves the overall production efficiency.

[0034] The other features and advantages of the utility model will be set forth in the subsequent specification, and partially become obvious from the specification, or be understood by implementing the utility model.The purpose and other advantages of the utility model are realized and obtained in the structure specially pointed out in the specification and drawings.

[0035] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically described, and the accompanying drawings are described in detail as follows. BRIEF DESCRIPTION OF DRAWINGS

[0036] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor according to these drawings.

[0037] Figure 1 It is the perspective view of the preferred embodiment of the support frame of the utility model,

[0038] Figure 2 It is the perspective view of the preferred embodiment of the clamping assembly of the utility model, Figure One ;

[0039] Figure 3 It is the perspective view of the preferred embodiment of the placing seat of the utility model,

[0040] Figure 4 It is the perspective view of the preferred embodiment of the clamping assembly of the utility model,Figure Two

[0041] Figure 5 is the perspective view of the overall preferred embodiment of the utility model;

[0042] Figure 6 is the perspective view of the preferred embodiment of the moving assembly of the utility model.

[0043] In the drawings:

[0044] Support frame 1, vertical beam 101, cross beam 102;

[0045] Clamping assembly 2, clamping base 201, hinged part 2011, clamping plate 202, inclined part 2021, first air cylinder 203, rubber disc 204, first rubber sheet 205, second rubber sheet 206;

[0046] Rotary telescopic cylinder 3, baffle 4, placing seat 5, recess 501, ball 6, cushion block 7;

[0047] Moving assembly 8, slide rail 801, sliding block 802, moving plate 803, connecting block 804, second air cylinder 805. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings, obviously, the described embodiments are some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model. Embodiment 1

[0049] As shown in Figures 1 to 6 , the embodiment provides a plate clamping device for numerical control punch press, which comprises:

[0050] ​The support frame 1 comprises: vertical beams 101 and a plurality of equidistantly arranged cross beams 102; wherein one end of each of the cross beams 102 is connected with the vertical beams 101; a clamping assembly 2 is arranged between adjacent cross beams 102, and the clamping assembly 2 comprises: a clamping base 201, a clamping plate 202 hinged to the clamping base 201, and a first air cylinder 203 connected with the clamping plate 202; wherein when the first air cylinder 203 is elongated, the telescopic end thereof abuts against the clamping base 201 to rotate the clamping plate 202 about the clamping base 201 to clamp the plate; at least two rotary telescopic air cylinders 3 are connected with the corresponding cross beams 102, and the telescopic end of each of the rotary telescopic air cylinders 3 is connected with a baffle 4; when the plate is placed on the corresponding cross beam 102, the rotary telescopic air cylinder 3 drives the baffle 4 to retract, and the baffle 4 pushes the plate to slide on the corresponding cross beam 102 to contact the clamping base 201 to restore the inclined plate to be horizontal.

[0051] In the embodiment, the plate is placed on the cross beam 102 of the support frame 1, the rotary telescopic air cylinder 3 is started to drive the baffle 4 to retract and push the plate to slide on the cross beam 102, the plate first contacts the current clamping base 201 in the inclined position, the rotary telescopic air cylinder 3 continuously pushes the plate to make the plate contact a plurality of clamping bases 201 to gradually restore the plate to be horizontal, the rotary telescopic air cylinder 3 stops, at this time, the first air cylinder 203 is elongated, the telescopic end thereof abuts against the clamping base 201 to rotate the clamping plate 202 about the fulcrum to clamp the plate, at this time, the rotary telescopic air cylinder 3 is started again to be elongated and rotated to move away from the plate, through the above steps, the automatic righting and clamping of the plate are realized through the cooperation of the rotary telescopic air cylinder 3 and the first air cylinder 203, the manual intervention is reduced, the automatic operation reduces the time for manual righting and clamping, and the overall production efficiency is improved.

[0052] The cross beam 102 is embedded with a plurality of equidistantly arranged placing seats 5; wherein the top of each of the placing seats 5 is provided with a recess 501; and a ball 6 is arranged in each of the recesses 501; the ball 6 is adapted to contact the plate; wherein the placing seats 5 and the balls 6 are arranged to reduce the friction between the plate and the cross beam 102, so that the plate can be more smoothly adjusted in position and restored to be horizontal when placed.

[0053] The baffle 4 is provided with a pad 7; wherein the pad 7 is adapted to contact the plate; wherein the pad 7 is made of rubber material, but is not limited to; wherein the pad 7 is arranged to reduce the impact and vibration when the plate contacts the baffle 4.

[0054] The side of the clamping plate 202 is provided with an inclined part 2021; the clamping base 201 comprises a hinged part 2011; wherein the plate is adapted to abut against the hinged part 2011; the clamping assembly 2 further comprises a rubber disc 204 connected with the telescopic end of the first air cylinder 203, a first rubber sheet 205 arranged on the inclined part 2021 and a second rubber sheet 206 arranged on the clamping base 201; wherein the rubber disc 204 is in contact with the clamping base 201; and the clamping plate 202 and the clamping base 201 are adapted to clamp the plate through the first rubber sheet 205 and the second rubber sheet 206; wherein by arranging the inclined part 2021, the contact area of the clamping plate 202 with the plate is increased, and the stability of clamping is improved; wherein by arranging the hinged part 2011, it has two functions: one is to hinge with the clamping plate 202, allowing the clamping plate 202 to rotate therearound; the other is to act as a stopper to cooperate with the rotating telescopic cylinder 3 to push the plate to be upright; wherein by arranging the rubber disc 204, when the first air cylinder 203 is elongated, the rubber disc 204 is in contact with the clamping base 201, playing a role of buffering and damping, so as to improve the service life of the first air cylinder 203; wherein by arranging the first rubber sheet 205 and the second rubber sheet 206, additional buffering and friction are provided when the inclined part 2021 and the clamping base 201 are in contact with the plate, reducing the friction of the plate during clamping.

[0055] The bottom of the support frame 1 is provided with a moving assembly 8; the moving assembly 8 comprises slide rails 801 arranged at the bottom of the cross beam 102, at least one slide block 802 arranged on the slide rails 801, a moving plate 803 connected with each slide block 802 and a plurality of connecting blocks 804 arranged on the moving plate 803; wherein each connecting block 804 is connected with a corresponding clamping base 201; and the moving plate 803 is adapted to slide on the slide rails 801 through the slide blocks 802 to drive the clamping assembly 2 or the clamping assembly 2 and the plate to move to a position; and the rotating telescopic cylinder 3 is adapted to rotate when the plate moves forward to drive the baffle 4 and the cushion block 7 to rotate to the lower side of the plate to avoid the plate.

[0056] The moving assembly 8 further comprises a second air cylinder 805 connected with the moving plate 803; wherein the second air cylinder 805 is adapted to drive the moving plate 803 to move when it is telescopic, so that the moving plate 803 slides on the slide rails 801 through the slide blocks 802.

[0057] In the embodiment, when the plate or the clamping assembly 2 needs to be moved, the second air cylinder 805 starts to work, the telescopic action drives the moving plate 803 to move, and then the clamping assembly 2 and the clamped plate are moved in the horizontal direction through the sliding of the sliding block 802 on the sliding rail 801, in the process of moving the plate forward, the rotary telescopic cylinder 3 rotates, drives the baffle 4 and the cushion block 7 to rotate to the lower side of the plate, and provides a space for the movement of the plate, through the above steps, the plate is quickly and accurately moved in the horizontal direction, the production efficiency is improved, and the plate of different sizes can be adapted, and the universality and flexibility are improved.

[0058] The various devices (parts without specific structure) selected in the application are all general standard parts or parts known to those skilled in the art, and their structures and principles can be known by the skilled person through a technical manual or through a conventional experimental method.

[0059] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0060] In the description of the present application, it should be pointed out that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0061] Based on the above ideal embodiments according to the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A sheet metal clamping device for a CNC punching machine, characterized in that, The utility model relates to a plate clamping device for numerical control punch press, including: Support frame (1) including: vertical roof (101) and a plurality of equidistantly arranged crossbeam (102), wherein One end of each of the crossbeam (102) is connected with the vertical roof (101); Clamping assembly (2) is equipped between adjacent crossbeam (102), and it includes: clamping base (201), clamping plate (202) hinged with clamping base (201) and first cylinder (203) connected with clamping plate (202), wherein When the first cylinder (203) is elongated, the telescopic end is abutted with the clamping base (201), so that the clamping plate (202) rotates around the clamping base (201), to clamp the plate; At least two rotary telescopic cylinders (3) are connected with the corresponding crossbeam (102), and the telescopic end is connected with the baffle (4); When the plate is placed on the corresponding crossbeam (102), the rotary telescopic cylinder (3) drives the baffle (4) to retract, and the baffle (4) pushes the plate to slide on the corresponding crossbeam (102) to contact with the clamping base (201), so that the inclined plate is restored to horizontal.

2. The plate clamping device for numerical control punch press according to claim 1, wherein The crossbeam (102) is embedded with a plurality of equidistantly arranged placing seats (5); wherein The top of the placing seat (5) is provided with a recess (501); and The recess (501) is provided with a ball (6); The ball (6) is adapted to contact with the plate.

3. The plate clamping device for numerical control punch press according to claim 2, wherein The baffle (4) is provided with a pad (7); wherein The pad (7) is adapted to contact with the plate.

4. The plate clamping device for numerical control punch press according to claim 3, wherein The side surface of the clamping plate (202) is provided with an inclined portion (2021); The clamping base (201) includes a hinged portion (2011); wherein The plate is adapted to abut against the hinged portion (2011); The clamping assembly (2) further includes a rubber disc (204) connected with the telescopic end of the first cylinder (203), a first rubber sheet (205) provided on the inclined portion (2021), and a second rubber sheet (206) provided on the clamping base (201); wherein The rubber disc (204) contacts with the clamping base (201); and The clamping plate (202) and the clamping base (201) are adapted to clamp the plate through the first rubber sheet (205) and the second rubber sheet (206).

5. The plate clamping device for numerical control punch press according to claim 4, wherein The bottom of the support frame (1) is provided with a moving assembly (8); The moving assembly (8) includes a slide rail (801) provided on the bottom of the crossbeam (102), at least one slide block (802) provided on the slide rail (801), a moving plate (803) connected with each slide block (802), and a plurality of connecting blocks (804) provided on the moving plate (803); wherein Each of the connecting blocks (804) is connected with the corresponding clamping base (201); and The moving plate (803) is suitable for sliding on the slide rail (801) through the slider (802) to drive the clamping assembly (2) or the clamping assembly (2) and the plate to move positions; and The rotating telescopic cylinder (3) is suitable for rotating when the plate moves forward to drive the baffle (4) and the cushion block (7) to rotate to the lower side of the plate to avoid the plate.

6. The plate clamping device for numerical control punch press according to claim 5, characterized in that, The moving assembly (8) further comprises a second cylinder (805) connected with the moving plate (803); wherein The second cylinder (805) is suitable for driving the moving plate (803) to move when telescoping to make the moving plate (803) slide on the slide rail (801) through the slider (802).

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