Punching die for automobile doorsill beam

By designing a clamping and punching mechanism and a pad block for the automotive door sill beam punching die, the problems of angle and quantity adjustment were solved, deformation was avoided, and the yield rate and production efficiency were improved.

CN223988945UActive Publication Date: 2026-03-13TIANJIN HAGONG YONGXING TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-25
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing automotive door sill punching dies cannot adjust the angle and quantity, making continuous processing inconvenient and prone to deformation of the door sill beam during the stamping process, affecting the yield rate.

Method used

A punching die for an automotive sill beam is designed, comprising a clamping mechanism, a punching mechanism, and a pad. The clamping mechanism fixes the sill beam through first and second clamping bodies. The punching mechanism is driven by a hydraulic cylinder to adjust the angle of the fixing block and the punching die. The pad is used for support to prevent deformation.

Benefits of technology

It enables adjustment of the angle and number of punching dies, avoids deformation of the door sill beam, and improves yield and production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223988945U_ABST
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Abstract

The utility model relates to an automobile doorsill beam punching die which comprises a clamping mechanism, a punching mechanism and a cushion block assisting the punching mechanism in machining. The clamping mechanism comprises a first clamp body and a second clamp body which are arranged on the two sides of the threshold beam to be machined. The fastening screw rod and the fastening nut are used for fixing the first clamp body and the second clamp body; the number of the first clamp bodies and the number of the second clamp bodies are both at least two. Based on the arrangement of the corresponding punching mechanisms and the cushion blocks, the doorsill beam to be machined can be prevented from deforming in the punching machining process, and the yield is increased; and the hexagonal prism-shaped fixing block and the multiple mounting holes are arranged, and the angle of the fixing block can be adjusted, so that a worker can conveniently adjust the number and the angle of the punching die, the production speed of multi-pass punching machining is increased, and the production efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing technology, and in particular to punching molds for automotive door sill beams. Background Technology

[0002] A mold is a tool used to shape objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly achieves the processing of the shape of the object by changing the physical state of the material being shaped. In blanking, forming stamping, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and compression molding or injection molding of engineering plastics, rubber, ceramics and other products, it is a tool used to make the blank into a part with a specific shape and size under the action of external force; among them, stamping dies include punching dies.

[0003] In the manufacturing process of car door sill beams, the current punching dies cannot be adjusted in terms of angle and quantity, which makes continuous processing inconvenient. Furthermore, the door sill beams to be processed are prone to deformation during the stamping process, affecting the yield rate.

[0004] Therefore, a threshold beam punching die that can solve the above-mentioned technical problems is needed. Summary of the Invention

[0005] Technical problem to be solved by the utility model

[0006] In the manufacturing process of car door sill beams, the current punching dies cannot be adjusted in terms of angle and quantity, which makes continuous processing inconvenient. Furthermore, the door sill beams to be processed are prone to deformation during the stamping process, affecting the yield rate.

[0007] Technical solutions for solving technical problems

[0008] Other advantageous embodiments and extensions of this invention, which are inventive in themselves, are set forth in the following description.

[0009] A punching die for an automobile door sill beam includes a clamping mechanism and a punching mechanism, as well as a pad to assist the punching mechanism in processing. The pad is disposed on the outside of the door sill beam to be processed and is disposed corresponding to the punching mechanism.

[0010] The clamping mechanism includes:

[0011] The first clamping body and the second clamping body are set on both sides of the threshold beam to be processed;

[0012] Fastening screws and fastening nuts are used to fix the first clamping body and the second clamping body;

[0013] The number of both the first clamping device and the second clamping device is set to at least two;

[0014] The punching mechanism includes:

[0015] The mounting plate is placed on one side of the threshold beam to be processed.

[0016] Two hydraulic cylinders are located on one side of the mounting plate, and their output ends are equipped with connecting plates.

[0017] A fixing block is disposed between the connecting plates and connected to the connecting plates via a connecting screw.

[0018] The fixing block is configured as a hexagonal prism, and a number of mounting holes are linearly arrayed on each of the six surfaces of the fixing block. A punching die is fixedly installed in each mounting hole.

[0019] Preferably, the fastening screw is fixedly disposed with the first clamping body, and the second clamping body is slidably disposed with the fastening screw.

[0020] Preferably, it further includes a connecting nut for securing the connecting screw and the connecting plate.

[0021] Preferably, the mounting plate has several through holes.

[0022] Preferably, the end structure of the punching die away from the fixing block includes at least a cuboid, a cylinder, and a hexagonal prism.

[0023] Preferably, the outer wall of the punching die is engraved with an external thread, and the inner wall of the mounting hole is engraved with an internal thread that matches the external thread.

[0024] Preferably, electromagnets are embedded in both the pad and the mounting plate;

[0025] Blind grooves are embedded on both sides of the pad, and through holes are provided in the blind grooves.

[0026] Effects of the utility model

[0027] The corresponding punching mechanism and pad block are provided to prevent the door sill beam to be processed from deforming during the punching process and improve the yield rate.

[0028] The device is equipped with a hexagonal prism-shaped fixing block and several mounting holes. The fixing block can be angled, which makes it convenient for workers to adjust the number and angle of the punching die, thereby increasing the production speed and efficiency of multi-stage punching. Attached Figure Description

[0029] The embodiments of this utility model are described in detail below with reference to the accompanying drawings. In the drawings:

[0030] Figure 1 This is a schematic diagram of the working state of this utility model. Figure 1 ;

[0031] Figure 2 This is a schematic diagram of the working state of this utility model. Figure 2 ;

[0032] Figure 3 This is a structural view of the present invention;

[0033] Figure 4 This is a side view of the present invention;

[0034] Figure 5 The above Figure 4 The cross-sectional view at point "AA".

[0035] Explanation of reference numerals in the attached figures

[0036] 1. First clamping body; 101. Second clamping body; 102. Fastening screw; 103. Fastening nut; 2. Sill beam to be processed; 3. Mounting plate; 301. Hydraulic cylinder; 302. Connecting plate; 303. Connecting screw; 303a. Connecting nut; 304. Fixing block; 304a. Mounting hole; 304b. Punching die; 4. Spacer block; 401. Blind groove; 401a. Through hole; 5. Electromagnet. Detailed Implementation

[0037] The following description, with reference to the accompanying drawings, describes a punching die for an automobile door sill beam, which is one embodiment of the present invention.

[0038] Please refer to Figures 1-5 As shown, a punching die for an automobile door sill beam includes a clamping mechanism and a punching mechanism, as well as a pad 4 for assisting the punching mechanism in processing.

[0039] The clamping mechanism is used to clamp the threshold beam 2 to be processed, the punching mechanism is used to punch the threshold beam 2 to be processed, and the pad block 4 is used to assist the punching mechanism in processing.

[0040] Regarding the clamping mechanism, it includes:

[0041] The first clamping body 1 and the second clamping body 101 are disposed on both sides of the threshold beam 2 to be processed;

[0042] The fastening screw 102 is fixed to the side of the first clamping body 1 near the second clamping body 101 and passes through the second clamping body 101;

[0043] The fastening nut 103 is located outside the fastening screw 102 and on the side of the second clamping body 101 away from the first clamping body 1;

[0044] Both the first clamp and the second clamp body 101 are configured to be at least two;

[0045] When in use, place the first clamping body 1 on the working plane, place the sill beam 2 to be processed between the first clamping body 1 and the second clamping body 101, and rotate the fastening nut 103 to complete the clamping and fixing of the sill beam 2 to be processed.

[0046] Regarding the punching mechanism, including:

[0047] Mounting plate 3, used as a load-bearing component of the punching mechanism, is set on one side of the threshold beam 2 to be processed;

[0048] The mounting plate 3 has several through holes.

[0049] An electromagnet 5 is embedded in the mounting plate 3;

[0050] Hydraulic cylinder 301 is installed on the side of mounting plate 3 near the threshold beam 2 to be processed;

[0051] Connecting plate 302 is located at the output end of hydraulic cylinder 301;

[0052] Specifically, the hydraulic cylinder 301 and the connecting plate 302 are both configured as two and symmetrically installed on the end face of the mounting plate 3;

[0053] A fixing block 304 is disposed between two connecting plates 302, and a connecting screw 303 is provided at both ends of the fixing block 304;

[0054] The fixing block 304 is rotatably connected to the two connecting plates 302 via connecting screws 303;

[0055] The connecting screw 303 and the connecting plate 302 are fastened together by the connecting nut 303a;

[0056] Mounting hole 304a is embedded in fixing block 304, and several punching dies 304b are connected to the internal thread of mounting hole 304a;

[0057] Among them, the fixing block 304 is set as a hexagonal prism;

[0058] Mounting holes 304a are located on the six surfaces of the hexagonal prism and are distributed in a linear array.

[0059] The outer wall of the punching die 304b is engraved with external threads, and the mounting hole 304a is provided with an internal thread that matches the external threads;

[0060] The end structure of the 304b punching die can be changed according to process requirements, including at least cuboid, cylinder and hexagonal prism;

[0061] In use, the operator selects a suitable punching die 304b and installs it onto the fixing block 304 through the mounting hole 304a. The angle of the fixing block 304 relative to the connecting plate 302 is adjusted using the connecting screw 303 and connecting nut 303a, thereby adjusting the angle of the fixing block 304 relative to the output axis of the hydraulic cylinder 301.

[0062] The punching mechanism is mounted on the working plane via its mounting plate 3, specifically with the punching die 304b pointing to the punching position on the threshold beam 2 to be processed;

[0063] Start the hydraulic cylinder 301, which drives the fixed block 304 to move, thereby driving the punching die 304b to move, and completing the punching process for the threshold beam 2 to be processed;

[0064] Regarding the pad 4, it is set on the rectangular body, on the outside of the threshold beam 2 to be processed, corresponding to the position of the punching mechanism;

[0065] An electromagnet 5 is embedded in the pad 4;

[0066] Blind grooves 401 are embedded on both sides of the pad 4, and through holes 401a are provided through the inner wall of the blind grooves 401.

[0067] In use, the worker fixes the pad 4 to one side of the corresponding punching die 304b outside the threshold beam 2 to be processed by using an electromagnet 5 or a screw that is screwed into the working plane through the through hole 401a. This is to support the threshold beam 2 to be processed and prevent the threshold beam 2 from being affected by the punching die 304b, thus affecting the yield.

[0068] Compared with the prior art, this utility model has the following characteristics:

[0069] The corresponding punching mechanism and pad 4 are provided to prevent the door sill beam 2 to be processed from deforming during the punching process and improve the yield rate.

[0070] The device is equipped with a hexagonal prism-shaped fixing block 304 and several mounting holes 304a. The fixing block 304 is angle-adjustable, which makes it convenient for workers to adjust the number and angle of the punching die 304b, thereby increasing the production speed of multi-pass punching and improving production efficiency.

[0071] This utility model is not limited to any particular implementation method; various modifications can be made as long as the principle is not violated.

Claims

1. A punch die for an automobile rocker panel, characterized by: The invention relates to a punching die for automobile door sill beam, comprising a clamping mechanism and a punching mechanism, and a pad (4) for assisting the punching mechanism in processing, which is arranged on the outer side of the door sill beam to be processed and corresponds to the punching mechanism; The clamping mechanism comprises: a first clamping body (1) and a second clamping body (101) arranged on both sides of the door sill beam (2) to be processed; a fastening screw (102) and a fastening nut (103) for fixing the first clamping body (1) and the second clamping body (101); The number of the first clamping body (1) and the second clamping body (101) is at least two. The punching mechanism comprises: a mounting plate (3) arranged on one side of the door sill beam (2) to be processed; a hydraulic cylinder (301) arranged on one side of the mounting plate (3), the number of which is two, and the output end of which is provided with a connecting plate (302); a fixed block (304) arranged between the connecting plates (302) and connected with the connecting plates (302) through connecting screws (303); The fixed block (304) is arranged as a hexagonal prism, and a plurality of installation holes (304a) are linearly arranged on the six surfaces of the fixed block (304), and a punching die (304b) is fixedly arranged in the installation hole (304a).

2. The automotive rocker panel piercing die of claim 1, wherein: The fastening screw (102) is fixedly arranged with the first clamping body (1), and the second clamping body (101) is slidingly arranged with the fastening screw (102).

3. The automotive rocker panel piercing die of claim 1, wherein: It also comprises a connecting nut (303a) for fixing the connecting screw (303) and the connecting plate (302).

4. The automotive rocker panel piercing die of claim 1, wherein: A plurality of through holes are arranged through the mounting plate (3).

5. The automotive rocker rail piercing die of claim 1, wherein: The end structure of the punching die (304b) away from the fixed block (304) comprises at least a cuboid, a cylinder and a hexagonal prism.

6. The automotive rocker rail piercing die of claim 5, wherein: The outer wall of the punching die (304b) is provided with external threads, and the inner wall of the installation hole (304a) is provided with internal threads matched with the external threads.

7. The automobile door sill beam punching die according to claim 1, wherein: The pad (4) and the mounting plate (3) are both embedded with electromagnets (5); Blind grooves (401) are embedded on both sides of the pad (4), and through holes (401a) are arranged through the blind grooves (401).