A side punching die for automobile parts

Abstract

The present invention discloses a side punch die for an automobile part, comprising an upper template, a lower template, a punch, and a die. The die is provided with a die hole, a slider seat is fixedly connected to the left side of the upper end of the lower template, the die is fixed to the right side of the upper end of the lower template, a pressure plate is mounted on the upper template, a slider is connected to the slider seat and can slide left and right, a stopper is provided at the upper end of the lower template, an insert is mounted on the upper template, a reset assembly is mounted on the slider, a punch fixing plate is connected to the right end of the slider, a first spring is mounted between the punch fixing plate and the slider, the slider can move left and right relative to the punch fixing plate, a punch is connected to the punch fixing plate and can slide left and right, a limiting structure is provided between the punch fixing plate and the punch, and the length of the punch in the left and right direction is greater than the length of the punch fixing plate in the left and right direction. The present invention has a compact structure and occupies little space. By optimizing the structure, the length of the punch is greatly shortened, the strength of the punch is improved, and the maintenance cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of stamping dies, in particular to a side punching die for automobile parts. Background Art

[0002] Automobiles, as the primary means of transportation for the public, are becoming increasingly widespread. Among the many automotive components, there are L-shaped stamping parts that require punching. Existing manufacturers often use side punch dies to complete the punching of L-shaped automotive stamping parts. However, the punch heads of existing side punch dies used for punching L-shaped automotive stamping parts are full-length structures, which have poor strength and are easily damaged, increasing maintenance costs. Therefore, a solution is urgently needed. Summary of the Invention

[0003] The purpose of the present invention is to provide a side punching die for automobile parts to solve the problems raised in the above background technology.

[0004] The purpose of the present invention is to be achieved through the following technical solutions:

[0005] A side punching die for automobile parts, comprising an upper template, a lower template, a punch and a die, wherein the die is provided with a die hole that matches the punch, a slider seat is fixedly connected to the left side of the upper end of the lower template, the die is fixed to the right side of the upper end of the lower template, a pressing plate for pressing a workpiece is installed on the upper template above the die, a slider is connected to the slider seat so as to slide left and right, a stopper for limiting the position is provided at the upper end of the lower template at the left end of the slider, and an insert block for driving the slider to move right is installed on the upper template A reset assembly is installed on the slider, and the right end of the slider is connected to a punch fixing plate. A first spring is installed between the punch fixing plate and the slider so that there is a gap between the punch fixing plate and the slider in the mold opening state. The slider can move left and right relative to the punch fixing plate, and a punch is connected to the punch fixing plate so as to slide left and right, and a limiting structure is provided between the punch fixing plate and the punch to limit the right movement stroke of the punch. The length of the punch in the left and right direction is greater than the length of the punch fixing plate in the left and right direction.

[0006] As a preferred solution of the present invention, the left end of the punch fixing plate is fixedly connected to a limiting screw, and the limiting screw includes a limiting head at the left end, a polished rod in the middle and a screw at the right end, and the screw is threadedly connected to the punch fixing plate, and the slider is slidably connected to the polished rod, and the left end of the slider is provided with a stop portion that cooperates with the limiting head to limit the position of the punch fixing plate.

[0007] As a preferred solution of the present invention, the limiting structure includes a step hole opened on the punch fixing plate and a boss portion arranged at the left end of the punch, the step hole includes a first hole at the left end and a second hole at the right end, the aperture of the first hole is larger than the aperture of the second hole, the second hole is for the punch to pass through, the boss portion is adapted to the first hole, and the outer diameter of the boss portion is larger than the aperture of the second hole.

[0008] As a preferred solution of the present invention, the reset assembly includes a reset screw and a reset spring. The reset screws are arranged in the left and right directions, and the right end of the reset bolt passes through the stop block and is fixedly connected to the slider. The reset spring is sleeved on the reset screw, and one end of the reset spring presses against the screw head of the reset screw, and the other end of the reset spring presses against the left end face of the stop block.

[0009] As a preferred solution of the present invention, a guide column is installed on the punch fixing plate, and the guide column is arranged in the left and right directions. A guide hole matching the guide column is opened on the left end face of the die, and the right end of the guide column extends into the guide hole.

[0010] As a preferred solution of the present invention, a guide block is fixedly connected to the sliding block, and the guide block is arranged along the left and right directions. A guide groove that matches the guide block is opened on the punch fixing plate.

[0011] As a preferred solution of the present invention, a first inclined wedge surface is provided at the lower part of the right side of the insert block, and the first inclined wedge surface is an inclined surface inclined from top to bottom and leftward, and a second inclined wedge surface is provided on the left side of the slider to match the first inclined wedge surface.

[0012] The beneficial effects of the present invention are that, compared with the prior art, the present invention has a compact structure and occupies little space, and by optimizing the structure, the length of the punch is greatly shortened, the strength of the punch is improved, and the maintenance cost is reduced. In addition, during the stamping process, the punch fixing plate also has a side pressing function, which further improves the punching quality. The structure is simple and easy to implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a cross-sectional view of a side punch die for an automotive component in the open die state;

[0014] Figure 2 Another cross-sectional view of a side punch die for an automobile part in the mold opening state;

[0015] Figure 3 This is a cross-sectional view of a side punch die for an automotive component in the closed die state;

[0016] Figure 4This is another cross-sectional view of a side punch die for an automotive component in the mold closing state.

[0017] In the picture:

[0018] 1. Upper template; 2. Lower template; 3. Punch; 4. Die; 5. Slider seat; 6. Pressing plate; 7. Slider; 8. Stop block; 9. Insert block; 10. Punch fixing plate; 11. Limit screw; 12. Reset screw; 13. Reset spring; 14. Guide post; 15. First spring; 16. Guide post; 17. Guide hole. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific embodiments. It should be understood that the embodiments described herein are only used to explain the present invention, rather than to limit the present invention.

[0020] Please refer to Figures 1 to 4 As shown, Figure 1 This is a cross-sectional view of a side punch die for an automotive component in the open die state; Figure 2 Another cross-sectional view of a side punch die for an automobile part in the mold opening state; Figure 3 This is a cross-sectional view of a side punch die for an automotive component in the closed die state; Figure 4 This is another cross-sectional view of a side punch die for an automotive component in the mold closing state.

[0021] In this embodiment, a side punch die for an automobile part comprises an upper template 1, a lower template 2, a punch 3 and a die 4. The die 4 is provided with a die hole that cooperates with the punch 3. The left side of the upper end of the lower template 2 is fixedly connected to a slider seat 5. The die 4 is fixed to the right side of the upper end of the lower template 2. A pressure plate 6 for pressing the workpiece is installed above the die 4 on the upper template 1. A slider 7 is connected to the slider seat 5 so as to slide left and right. The upper end of the lower template 2 is located at the left end of the slider 7 and is provided with a stopper 8 for limiting the position. An insert block for driving the slider 7 to move right is installed on the upper template 1. 9. A reset assembly is installed on the slider 7. The right end of the slider 7 is connected to a punch fixing plate 10. A first spring 15 is installed between the punch fixing plate 10 and the slider 7 so that there is a gap between the punch fixing plate 10 and the slider 7 in the mold opening state. The slider 7 can move left and right relative to the punch fixing plate 10. A punch 3 is connected to the punch fixing plate 10 so as to slide left and right, and a limiting structure for limiting the right movement stroke of the punch 3 is provided between the punch fixing plate 10 and the punch 3. The length of the punch 3 in the left and right direction is greater than the length of the punch fixing plate 10 in the left and right direction.

[0022] Specifically, in this embodiment, the left end of the punch fixing plate 10 is fixedly connected to a limiting screw 11, and the limiting screw 11 includes a limiting head at the left end, a polished rod in the middle and a screw at the right end. The screw is threadedly connected to the punch fixing plate 10, and the slider 7 is slidably connected to the polished rod, and the left end of the slider 7 is provided with a stop portion that cooperates with the limiting head to limit the position of the punch fixing plate 10.

[0023] Specifically, in this embodiment, the limiting structure includes a stepped hole opened on the punch fixing plate 10 and a boss portion arranged on the left end of the punch 3, the stepped hole includes a first hole at the left end and a second hole at the right end, the aperture of the first hole is larger than the aperture of the second hole, the second hole is for the punch 3 to pass through, the boss portion is adapted to the first hole, and the outer diameter of the boss portion is larger than the aperture of the second hole.

[0024] Specifically, in this embodiment, the reset assembly includes a reset screw 12 and a reset spring 13. The reset screw 12 is arranged in the left and right directions, and the right end of the reset bolt 13 passes through the stop block 8 and is fixedly connected to the slider 7. The reset spring 13 is sleeved on the reset screw 12, and one end of the reset spring 13 presses on the screw head of the reset screw 12, and the other end of the reset spring 13 presses on the left end face of the stop block 8.

[0025] In order to improve the stamping accuracy, a guide column 16 is installed on the punch fixing plate 10, and the guide column 16 is arranged in the left and right directions. A guide hole 17 that cooperates with the guide column 16 is opened on the left end face of the die 4, and the right end of the guide column 16 extends into the guide hole 17; a guide block is fixedly connected to the slider 7, and the guide block is arranged in the left and right directions. A guide groove that cooperates with the guide block is opened on the punch fixing plate 10.

[0026] Specifically, in this embodiment, a first inclined wedge surface is provided at the lower portion of the right side of the insert block 9, and the first inclined wedge surface is an inclined surface inclined from top to bottom and leftward, and a second inclined wedge surface matching the first inclined wedge surface is provided on the left side of the slider 7.

[0027] During punching, the upper template 1 moves downward, the pressure plate 6 presses the upper end surface of the workpiece, the insert block 9 drives the slider 7 to move to the right, the reset screw 12 moves to the right with the slider 7 and compresses the reset spring 13, the first spring 15 pushes the punch fixing plate 10 to press the workpiece, the punch 3 moves to the right with the punch fixing plate 10, and stops moving after contacting the workpiece, the insert block 9 continues to move downward, the slider 7 continues to move to the right, and contacts the punch 3, forcing the punch 3 to enter the die hole to complete the punching; after the punching is completed, the upper template 1 returns, the insert block 9 moves upward, the reset spring 13 is pushed out, and the reset screw 12 pulls the slider 7 and the punch fixing plate 10 to move left to achieve reset.

[0028] The above embodiments merely illustrate the basic principles and features of the present invention. The present invention is not limited to the above embodiments. Various modifications and variations are possible without departing from the spirit and scope of the present invention. Such modifications and variations are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims.

Claims

1. A side punch die for an automobile part, comprising an upper die plate, a lower die plate, a punch, and a die, wherein the die is provided with a die hole for cooperating with the punch, and wherein: The left side of the upper end of the lower template is fixedly connected to the slider seat, and the die is fixed to the right side of the upper end of the lower template, and the slider is connected to the slider seat so as to slide left and right. The upper end of the lower template is located at the left end of the slider and a stop block is provided for limiting the function of the stop block. The upper template is provided with an insert block for driving the slider to move right, and a reset assembly is installed on the slider. The right end of the slider is connected to a punch fixing plate, and a first spring is installed between the punch fixing plate and the slider so that there is a gap between the punch fixing plate and the slider in the mold opening state. The slider can move left and right relative to the punch fixing plate, and a punch is connected to the punch fixing plate so as to slide left and right, and a limiting structure for limiting the right movement stroke of the punch is provided between the punch fixing plate and the punch, and the length of the punch in the left and right directions is greater than the length of the punch fixing plate in the left and right directions; when stamping, the first spring pushes the punch fixing plate to press the workpiece; The limiting structure includes a stepped hole formed on the punch fixing plate and a boss portion provided on the left end of the punch, the stepped hole including a first hole on the left end and a second hole on the right end, the aperture of the first hole being larger than the aperture of the second hole, the second hole being for the punch to pass through, the boss portion being adapted to the first hole, and the outer diameter of the boss portion being larger than the aperture of the second hole; A guide post is installed on the punch fixing plate, and the guide post is arranged in the left and right directions. A guide hole matching the guide post is opened on the left end surface of the die, and the right end of the guide post extends into the guide hole; The sliding block is fixedly connected with a guide block, and the guide block is arranged along the left and right directions. The punch fixing plate is provided with a guide groove that matches the guide block.

2. The side punching die for automobile parts according to claim 1, characterized in that: The left end of the punch fixing plate is fixedly connected to a limiting screw, and the limiting screw includes a limiting head at the left end, a polished rod in the middle and a screw at the right end. The screw is threadedly connected to the punch fixing plate, and the slider is slidably connected to the polished rod, and the left end of the slider is provided with a stop portion that cooperates with the limiting head to limit the position of the punch fixing plate.

3. The side punch die for automobile parts according to claim 2, characterized in that: The reset assembly includes a reset screw and a reset spring. The reset screw is arranged in the left and right directions, and the right end of the reset screw passes through the stop block and is fixedly connected to the slider. The reset spring is sleeved on the reset screw, and one end of the reset spring presses against the screw head of the reset screw, and the other end of the reset spring presses against the left end surface of the stop block.

4. The side punching die for automobile parts according to claim 1, characterized in that: A first inclined wedge surface is provided at the lower portion of the right side of the insert block. The first inclined wedge surface is an inclined surface inclined to the left from top to bottom. A second inclined wedge surface matching the first inclined wedge surface is provided on the left side of the slider.

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