CN217070392U - A punching die for easy demoulding - Google Patents

Abstract

The utility model discloses a cut-out press convenient to drawing of patterns relates to cut-out press technical field, comprises a workbench, the internal surface lower extreme of workstation is provided with the buffer that can cushion the workstation, the upper surface of workstation is provided with fixing device, the internal surface upper end of workstation is rotated and is connected with the threaded rod. This cut-out press convenient to drawing of patterns is provided with buffer, when needs punch a hole the operation to the work piece, the punching head of top can form certain impact to the workstation of below, elasticity telescopic link can be preferred to shrink this moment, and carry out preliminary buffering to the workstation by self elasticity, can drive connecting block extrusion connecting rod when elasticity telescopic link contracts simultaneously, the connecting rod can drive the slider and move to the center department of slide bar this moment, thereby make the slider extrusion buffer spring of both sides, thereby for the workstation provides the second grade buffering, and then reduce the workstation and produce the possibility of damaging when receiving the impact.

Description

A punching die for easy demoulding

technical field

The utility model relates to the technical field of punching moulds, in particular to a punching mould which is convenient for demoulding.

Background technique

The traditional method of punching is to use a stamping die to process through holes on the flat plate. According to the process, it can be divided into two types: steel die punching and rubber die punching. The steel die punching process is a convex punch made of tool steel. , The die punches the pipe, and the rubber die punching process uses the easy deformability and polymerizability of rubber to disperse and place it inside the pipe as an elastic punch instead of a steel punch. The pipe wall is punched.

After searching, the Chinese patent with the publication number CN212634014U discloses a punching die for easy demoulding. The device is convenient for demoulding by setting a limit fixing groove, a rotating motor, a connecting plate, a buffer spring and a collection box, which is beneficial to the Slow down the impact force, reduce damage to parts, facilitate the collection of scraps, and maintain the cleanliness of the floor.

The above-mentioned device has the following defects: the above-mentioned device reduces the damage to the punched parts by buffering the punching needle by the buffer spring, but in actual use, due to the large impact force on the worktable area when the workpiece is punched, it will cause work in the long run. The table will cause great damage, which will affect the flatness of the table, and then affect the punching quality of the workpiece.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model provides a punching die that is convenient for demolding, which solves the problems mentioned in the above-mentioned background technology.

(2) Technical solutions

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a punching die for easy demolding, comprising a workbench, and a buffer device that can buffer the workbench is arranged at the lower end of the inner surface of the workbench, so the A fixing device is arranged on the upper surface of the worktable, a threaded rod is rotatably connected to the upper end of the inner surface of the worktable, and a rotating handle is fixedly connected to one end of the threaded rod away from the worktable.

Preferably, a support frame is fixedly connected to the upper surface of the worktable, a motor is slidably connected to the upper surface of the support frame, and a punching head is fixedly connected to the output shaft of the motor.

Preferably, an elastic telescopic rod is fixedly connected to the lower surface of the worktable, and a stopper is threadedly connected to the outer surface of the threaded rod.

Preferably, the buffer device includes a sliding rod, a sliding block is slidably connected to the outer surface of the sliding rod, and a buffer spring is fixedly connected to the right surface of the sliding block.

Preferably, a connecting rod is hinged on the back of the slider, a connecting block is hinged at one end of the connecting rod away from the slider, and an elastic telescopic rod is fixedly connected to the left surface of the connecting block.

Preferably, the fixing device includes a nut block, the inner surface of the nut block is threadedly connected with the extrusion block, and the lower surface of the nut block is fixedly connected with the workbench.

(3) Beneficial effects

The utility model provides a punching die which is convenient for demoulding. Has the following beneficial effects:

(1) The punching die for easy demoulding is provided with a buffer device. When the workpiece needs to be punched, the upper punching head will have a certain impact on the lower table, and the elastic telescopic rod will shrink preferentially. The worktable is initially buffered by its own elastic force. At the same time, when the elastic telescopic rod shrinks, it will drive the connecting block to squeeze the connecting rod. At this time, the connecting rod will drive the slider to move to the center of the slider, so that the sliders on both sides will squeeze. Press the buffer spring to provide a secondary buffer for the workbench, thereby reducing the possibility of damage to the workbench when it is impacted.

(2) The punching die fixing device for easy demoulding needs to rotate the rotating handle when the position of the punching head needs to be fixed. At this time, the rotating handle will drive the threaded rod to rotate, and the rotation of the threaded rod will drive the block to be horizontally left and right. Movement, so that the position of the punching head can be fixed and limited. At the same time, the extrusion block needs to be rotated. The thread on the outer surface of the extrusion block will form a threaded connection with the nut block, so that the extrusion block will move downward. Press the threaded rod to prevent the threaded rod from rotating due to vibration when the operator fixes the punching position.

Description of drawings

Fig. 1 is the structural representation of the cross section of the utility model;

Fig. 2 is the enlarged structural schematic diagram of the utility model A;

FIG. 3 is a schematic view of the enlarged structure at B of the present invention.

In the figure: 1. Workbench; 2. Buffer device; 3. Fixing device; 4. Rotating handle; 5. Threaded rod; 6. Support frame; 7. Punching head; 8. Motor; 9. Elastic telescopic rod; 10 201, buffer spring; 202, slider; 203, sliding rod; 204, connecting rod; 205, connecting block; 301, extrusion block; 302, nut block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 3 , the present utility model provides a technical solution: a punching die for easy demoulding, including a workbench 1, and the lower end of the inner surface of the workbench 1 is provided with a buffer that can buffer the workbench 1 Device 2, the upper surface of the worktable 1 is provided with a fixing device 3, and the upper end of the inner surface of the worktable 1 is rotatably connected with a threaded rod 5. The thread on the outer surface of the threaded rod 5 is one-way, so when rotating, the stopper 10 will be simultaneously Move to the left or right at the same time, the end of the threaded rod 5 away from the workbench 1 is fixedly connected with a rotating handle 4, the upper surface of the workbench 1 is fixedly connected with a support frame 6, and the contact surface of the support frame 6 and the motor 8 is provided with a chute Therefore, according to the different punching positions of the actual workpiece, the punching head 7 can be driven to move left and right through the block 10, the upper surface of the support frame 6 is slidably connected with the motor 8, and the output shaft of the motor 8 is fixedly connected with the punching head 7. The lower surface of the worktable 1 is fixedly connected with elastic telescopic rods 9, which are provided with four groups, so as to provide stable support for the worktable 1, and the outer surface of the threaded rod 5 is threadedly connected with a stopper 10.

In this embodiment, the buffer device 2 includes a sliding rod 203, and the outer surface of the sliding rod 203 is slidably connected with a sliding block 202. The number of the sliding block 202 is two and the center line of the sliding rod 203 is symmetrically distributed with the sliding rod. 203 is on both sides of the outer surface, so when the table 1 is impacted, the buffer spring 201 can be squeezed on both sides to buffer the table 1, thereby preventing the buffer spring 201 from dislocating, and the right surface of the slider 202 is fixedly connected with the buffer spring 201 , the back of the slider 202 is hinged with a connecting rod 204, and one end of the connecting rod 204 away from the slider 202 is hinged with a connecting block 205, the connecting block 205 is provided with a through hole on the contact surface of the worktable 1, so that the worktable 1 and the There will be no movement interference between the connection blocks 205. The elastic telescopic rod 9 is fixedly connected to the left surface of the connection block 205. The punching die for easy demolding is provided with a buffer device 2. When the workpiece needs to be punched, the upper The punching head 7 will have a certain impact on the lower worktable 1. At this time, the elastic telescopic rod 9 will preferentially shrink, and the worktable 1 will be initially buffered by its own elastic force. At the same time, the elastic telescopic rod 9 will drive the connecting block 205 to squeeze. Press the connecting rod 204. At this time, the connecting rod 204 will drive the slider 202 to move to the center of the slider 203, so that the sliders 202 on both sides squeeze the buffer spring 201, so as to provide a secondary buffer for the table 1, thereby reducing the The workbench 1 may be damaged when it is impacted.

In this embodiment, the fixing device 3 includes a nut block 302 , the inner surface of the nut block 302 is threadedly connected with an extrusion block 301 , and a rubber pad is provided on the lower surface of the extrusion block 301 , so as to increase the contact time between the nut block 301 and the threaded rod 5 At the same time, the contact surface of the nut block 302 is provided with a through hole, so the extrusion block 301 will not be disturbed by the table 1 when it moves up and down, and the lower surface of the nut block 302 is fixedly connected with the table 1. The punching die fixing device 3 for easy demolding needs to rotate the rotating handle 4 when the position of the punching head 7 needs to be fixed. At this time, the rotating handle 4 will drive the threaded rod 5 to rotate, and the rotation of the threaded rod 5 will drive the block. 10 moves horizontally around, so that the position of the punching head 7 can be fixed and limited. At the same time, the extrusion block 301 needs to be rotated. The pressing block 301 moves downward to squeeze the threaded rod 5, thereby preventing the threaded rod 5 from rotating due to vibration when the operator fixes the punching position.

During work (or use), when the position of the punching head 7 needs to be fixed, the rotating handle 4 needs to be rotated. At this time, the rotating handle 4 will drive the threaded rod 5 to rotate, and the rotation of the threaded rod 5 will drive the stopper 10 to move horizontally from side to side. , so that the position of the punching head 7 can be fixed and limited. At the same time, the extrusion block 301 needs to be rotated. The thread on the outer surface of the extrusion block 301 will form a threaded connection with the nut block 302 so that the extrusion block 301 The threaded rod 5 is squeezed downward by moving downwards, so as to prevent the threaded rod 5 from rotating due to vibration when the operator fixes the punching position. At this time, the motor 8 can be turned on to drive the punching head 7 to punch the workpiece. The hole head 7 will have a certain impact on the lower worktable 1. At this time, the elastic telescopic rod 9 will preferentially shrink, and the worktable 1 will be initially buffered by its own elastic force. At the same time, when the elastic telescopic rod 9 shrinks, it will drive the connecting block 205 to squeeze and connect. At this time, the connecting rod 204 will drive the sliding block 202 to move toward the center of the sliding rod 203 , so that the sliding blocks 202 on both sides press the buffer spring 201 , thereby providing a secondary buffer for the workbench 1 .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a cut-out press convenient to drawing of patterns, includes workstation (1), its characterized in that: the utility model discloses a buffer device, including workstation (1), the internal surface lower extreme of workstation (1) is provided with buffer (2) that can cushion workstation (1), the upper surface of workstation (1) is provided with fixing device (3), the internal surface upper end of workstation (1) is rotated and is connected with threaded rod (5), the rotatory handle of one end fixedly connected with (4) of workstation (1) are kept away from in threaded rod (5).

2. The easy-to-demold punching die of claim 1, wherein: the upper surface of workstation (1) fixed connection has support frame (6), the upper surface sliding connection of support frame (6) has motor (8), the output shaft fixedly connected with punching head (7) of motor (8).

3. The hole-punching die facilitating die release according to claim 2, wherein: the lower surface of the workbench (1) is fixedly connected with an elastic telescopic rod (9), and the outer surface of the threaded rod (5) is in threaded connection with a check block (10).

4. The easy-to-demold punching die of claim 1, wherein: the buffer device (2) comprises a sliding rod (203), the outer surface of the sliding rod (203) is connected with a sliding block (202) in a sliding mode, and the right surface of the sliding block (202) is fixedly connected with a buffer spring (201).

5. The hole-punching die facilitating die release according to claim 4, wherein: the back of slider (202) articulates there is connecting rod (204), the one end that slider (202) were kept away from in connecting rod (204) articulates there is connecting block (205), the left surface fixed connection of connecting block (205) has elasticity telescopic link (9).

6. The easy-to-demold punching die of claim 1, wherein: fixing device (3) are including nut piece (302), the internal surface threaded connection of nut piece (302) has extrusion piece (301), the lower surface fixedly connected with workstation (1) of nut piece (302).

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