Punch forming equipment for sheet metal part of front door reinforcing plate of vehicle body

The sheet metal stamping device addresses demolding challenges by incorporating a threaded adjustment groove and buffer mechanism, ensuring easy product removal and improved buffering, thus reducing wear and enhancing operational efficiency.

CN222288485UActive Publication Date: 2025-01-03LIUZHOU TIANRUN MASCH MFG CO LTD
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Patent Information

Application Number
CN202421161465.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-01-03
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

Existing sheet metal stamping equipment for vehicle body front door reinforcement plates faces difficulties in demolding, leading to potential damage to the product due to the interaction of upper and lower molds.

Method used

A sheet metal stamping and forming device with a threaded adjustment groove, ejection plate, and buffer mechanism, including a pad with embedded grooves and balls, hydraulic telescopic rods, and buffer seats with guide rails and springs, to facilitate easy demolding and enhance buffering capacity.

Benefits of technology

Improves material discharge convenience and reduces wear during demolding, while enhancing the stamping buffering capacity and ease of buffer pad replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of stamping forming of sheet metal parts, and discloses stamping forming equipment for sheet metal parts of a front door reinforcing plate of a car body, which comprises a workbench, a lower die, a top plate and an upper die, a base plate is mounted at the bottom end in the lower die, and a handheld rod is fixed at the bottom end of an adjusting column. The base plate is installed at the bottom end in the lower die, then the threaded adjusting groove is formed in the base plate, and the outer threads are fixed to the outer side wall of the top end of the adjusting column, so that after a die in the lower die is formed, the handheld rod is held and then rotates to drive the adjusting column to rotate; at the moment, the adjusting column and the thread adjusting groove are matched with each other to form a thread travel path, at the moment, the ejection plate gradually moves upwards, after the ejection plate moves upwards for a period of time, a product can be conveniently ejected out by a certain distance, and in the moving process, based on the distribution of the caulking grooves and the balls, when the adjusting column moves in the workbench, the abrasion problem of the side edge is reduced; in this way, the overall discharging convenience is well improved in the working process.
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Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal stamping and forming, in particular to a sheet metal stamping and forming device for a vehicle body front door reinforcement plate. Background Art

[0002] The sheet metal of a car generally refers to the metal shell of the car, which is usually made of steel plates. On the basis of ensuring a certain strength, reducing the weight as much as possible is the basic requirement for it. The front door reinforcement plate sheet metal is one of the sheet metal parts of the car, which is a sheet metal part used at the front door position of the car body;

[0003] Regardless of what sheet metal parts are, they all need to be stamped during the processing, so stamping equipment will be needed to complete the work. During the work, the upper and lower molds are generally required to complete the molding work. After the lower mold is molded, it is easy to have difficulty in demolding, and it is even easy to cause direct damage to the product. Utility Model Content

[0004] The purpose of the utility model is to provide a sheet metal stamping and forming device for a vehicle body front door reinforcement plate, so as to solve the problem proposed in the above-mentioned background technology that in the working process, it is generally necessary to use the cooperation of upper and lower molds to complete the forming work, and it is easy to have difficulty in demolding after the lower mold is formed, and it is even easy to cause direct damage to the product.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sheet metal stamping and forming equipment for a front door reinforcement plate of a vehicle body, comprising a workbench, a lower die, a top plate, and an upper die, a pad is installed at the bottom end of the lower die, a threaded adjustment groove is provided inside the pad, an adjustment column is connected inside the threaded adjustment groove, an ejection plate is installed at the top of the adjustment column, an insertion hole is provided inside the workbench, an inner wall of the insertion hole is connected to an embedding groove, a ball is embedded in the embedding groove, and a hand-held rod is fixed to the bottom end of the adjustment column.

[0006] Preferably, an outer side wall at the top end of the adjusting column is fixed with an external thread, and a threaded connection is formed between the external thread and the thread adjusting groove.

[0007] Preferably, there are two groups of embedded grooves evenly distributed inside the insertion hole, and the inner wall size of the embedded groove is larger than the outer diameter size of the ball.

[0008] Preferably, the hand-held rods are symmetrically distributed in two groups at the bottom end of the adjustment column, and the vertical positions of the threaded adjustment grooves are flush with the positions of the insertion holes.

[0009] Preferably, a cylinder is installed at the top of the top plate, an output end of the cylinder is connected to a hydraulic telescopic rod, a bottom end of the hydraulic telescopic rod is connected to a stamping plate, and columns are installed on both sides of the top of the workbench.

[0010] Preferably, through holes are opened inside both sides of the stamping plate, and a guiding connection is formed between the stamping plate and the column.

[0011] Preferably, buffer columns are fixed on both sides of the bottom end of the stamping plate, a first Velcro is fixed to the bottom end of the buffer column, a second Velcro is connected to the bottom end of the first Velcro, and a buffer pad is fixed to the bottom end of the second Velcro.

[0012] Preferably, buffer seats are fixed on both sides of the top of the workbench, guide rails are fixed on both sides of the inner wall of the buffer seat, the outer walls of the guide rails are connected with guide blocks, moving blocks are connected between the guide blocks, anti-collision pads are fixed on the top of the moving blocks, a retractable sleeve rod is installed on the bottom end of the inner wall of the buffer seat, the outer wall of the retractable sleeve rod is connected with a buffer spring, and the guide blocks are symmetrically distributed about the central axis of the moving blocks.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the stamping and forming equipment for the front door reinforcement plate of the vehicle body not only improves the convenience of material discharge, but also improves the stamping buffering capacity and buffer pad maintenance capacity of the stamping and forming equipment;

[0014] (1) By installing the pad at the bottom of the lower die, and then opening the thread adjustment groove inside the pad, the outer thread is fixed on the outer wall of the top of the adjusting column. Therefore, after the mold in the lower die is formed, the hand-held rod is held and rotated to drive the adjusting column to rotate. At this time, the adjusting column and the thread adjustment groove are adapted to each other to form a thread path. At this time, the ejection plate gradually moves upward. After moving upward for a period of time, it is convenient to eject the product for a distance. During the movement, based on the distribution of the embedded groove and the ball, the side wear problem is reduced when the adjusting column moves in the workbench, thereby improving the overall convenience of material discharge during the work process;

[0015] (2) By installing and fixing the buffer seat on both sides of the top of the workbench, the stamping plate can be driven to move after the hydraulic telescopic rod works, and the upper die is used to complete the stamping work. At this time, the buffer column will reach the inside of the buffer seat, so that the buffer pad and the anti-collision pad on the top of the moving block contact to form a buffer, and the telescopic sleeve rod is correspondingly contracted while the buffer spring forms a buffer compression, and the guide rail and the guide block cooperate to guide and move, thereby better improving the overall stamping buffering capacity during the work process;

[0016] (3) By installing and fixing the first Velcro at the bottom end of the buffer column, and then installing and fixing the second Velcro at the top end of the buffer pad, an adhesive connection can be formed under the cooperation of the second Velcro and the first Velcro. At this time, the buffer pad can contact the adhesive connection between the first Velcro and the second Velcro after being torn off, thereby improving the ability to disassemble and replace the buffer pad during work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a partial front view structural schematic diagram of the buffer column of the utility model;

[0019] Figure 3 It is a schematic diagram of a partial front view cross-sectional structure of the lower mold of the utility model;

[0020] Figure 4 For the utility model Figure 1 Schematic diagram of the enlarged cross-section structure at point A in the middle.

[0021] In the figure: 1. workbench; 2. lower die; 3. adjustment column; 4. hand-held rod; 5. column; 6. buffer column; 7. stamping plate; 8. top plate; 9. hydraulic telescopic rod; 10. cylinder; 11. upper die; 12. buffer seat; 13. first Velcro; 14. second Velcro; 15. buffer pad; 16. ejector plate; 17. pad; 18. threaded adjustment groove; 19. embedded groove; 20. ball; 21. telescopic sleeve rod; 22. buffer spring; 23. moving block; 24. anti-collision pad; 25. guide rail; 26. guide block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: a sheet metal stamping forming device for a front door reinforcement plate of a vehicle body, comprising a workbench 1, a lower die 2, a top plate 8, and an upper die 11. A pad 17 is installed at the bottom end of the lower die 2, a threaded adjustment groove 18 is opened inside the pad 17, an adjustment column 3 is connected inside the threaded adjustment groove 18, an ejection plate 16 is installed at the top of the adjustment column 3, an insertion hole is opened inside the workbench 1, an inner wall of the insertion hole is connected to an embedding groove 19, a ball 20 is embedded in the embedding groove 19, and a hand-held rod 4 is fixed to the bottom end of the adjustment column 3.

[0024] An external thread is fixed on the outer side wall of the top end of the adjusting column 3 , and a threaded connection is formed between the external thread and the thread adjusting groove 18 .

[0025] There are two groups of embedded grooves 19 evenly distributed inside the insertion hole, and the inner wall size of the embedded grooves 19 is larger than the outer diameter size of the ball 20.

[0026] There are two groups of hand-held rods 4 symmetrically distributed at the bottom end of the adjustment column 3, and the vertical positions of the threaded adjustment grooves 18 are flush with the positions of the insertion holes.

[0027] A cylinder 10 is installed at the top of the top plate 8, the output end of the cylinder 10 is connected to a hydraulic telescopic rod 9, the bottom end of the hydraulic telescopic rod 9 is connected to a stamping plate 7, and columns 5 are installed on both sides of the top of the workbench 1.

[0028] Through holes are provided inside the two sides of the stamping plate 7 , and a guiding connection is formed between the stamping plate 7 and the column 5 .

[0029] Buffer columns 6 are fixed on both sides of the bottom end of the stamping plate 7 , a first Velcro 13 is fixed to the bottom end of the buffer column 6 , a second Velcro 14 is connected to the bottom end of the first Velcro 13 , and a buffer pad 15 is fixed to the bottom end of the second Velcro 14 .

[0030] A buffer seat 12 is fixed on both sides of the top of the workbench 1, and guide rails 25 are fixed on both sides of the inner wall of the buffer seat 12. The outer wall of the guide rail 25 is connected with a guide block 26, and a moving block 23 is connected between the guide blocks 26. An anti-collision pad 24 is fixed on the top of the moving block 23. A retractable sleeve rod 21 is installed on the bottom end of the inner wall of the buffer seat 12, and a buffer spring 22 is connected to the outer wall of the retractable sleeve rod 21. The guide blocks 26 are symmetrically distributed about the central axis of the moving block 23.

[0031] Furthermore, while being connected by the telescopic sleeve rod 21 , the top end of the buffer spring 22 is elastically connected to the bottom end of the moving block 23 , and further, the bottom end of the buffer spring 22 is elastically connected to the bottom end inside the buffer seat 12 .

[0032] Working principle: First, during the working process, the buffer seat 12 is installed and fixed on both sides of the top of the workbench 1. After the hydraulic telescopic rod 9 works, it can drive the stamping plate 7 to move, and the upper mold 11 is used to complete the stamping work. At this time, the buffer column 6 will reach the inside of the buffer seat 12, allowing the buffer pad 15 and the anti-collision pad 24 on the top of the moving block 23 to contact to form a buffer, and the telescopic sleeve 21 shrinks accordingly while the buffer spring 22 forms a buffer compression, and the guide rail 25 and the guide block 26 cooperate to guide the movement. After the stamping is completed, the stamping plate 7 is moved up first, and the upper mold 11 leaves the position of the lower mold 2, and then the hand-held rod 4 is held and rotated to drive the adjusting column 3 to rotate. At this time, the adjusting column 3 and the threaded adjustment groove 18 are adapted to each other to form a threaded path. At this time, the ejection plate 16 gradually moves up, and after moving up for a period of time, the product is ejected a distance, and then the product can be taken out.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A sheet metal stamping forming device for a vehicle body front door reinforcement plate, comprising a workbench (1), a lower die (2), a top plate (8), and an upper die (11), characterized in that: A pad (17) is installed at the bottom end of the lower mold (2), a threaded adjustment groove (18) is provided inside the pad (17), an adjustment column (3) is connected inside the threaded adjustment groove (18), an ejection plate (16) is installed at the top of the adjustment column (3), an insertion hole is provided inside the workbench (1), an inner wall of the insertion hole is connected to an embedding groove (19), a ball (20) is embedded inside the embedding groove (19), and a hand-held rod (4) is fixed to the bottom end of the adjustment column (3).

2. The sheet metal stamping forming equipment for the front door reinforcement plate of the vehicle body according to claim 1, characterized in that: An external thread is fixed to the outer side wall of the top end of the adjusting column (3), and a threaded connection is formed between the external thread and the thread adjusting groove (18).

3. The sheet metal stamping forming equipment for the front door reinforcement plate of the vehicle body according to claim 1, characterized in that: Two groups of the embedding grooves (19) are evenly distributed inside the insertion hole, and the inner wall size of the embedding grooves (19) is larger than the outer diameter size of the ball (20).

4. The sheet metal stamping forming equipment for the front door reinforcement plate of the vehicle body according to claim 1, characterized in that: The hand-held rods (4) are symmetrically distributed in two groups at the bottom end of the adjustment column (3), and the vertical positions of the threaded adjustment grooves (18) are flush with the positions of the insertion holes.

5. The sheet metal stamping forming equipment for the front door reinforcement plate of the vehicle body according to claim 1, characterized in that: A cylinder (10) is installed at the top of the top plate (8), the output end of the cylinder (10) is connected to a hydraulic telescopic rod (9), the bottom end of the hydraulic telescopic rod (9) is connected to a stamping plate (7), and columns (5) are installed on both sides of the top of the workbench (1).

6. The sheet metal stamping forming equipment for the front door reinforcement plate of the vehicle body according to claim 5, characterized in that: Through holes are provided inside the two sides of the stamping plate (7), and a guiding connection is formed between the stamping plate (7) and the column (5).

7. The sheet metal stamping forming equipment for the front door reinforcement plate of the vehicle body according to claim 5, characterized in that: Buffer columns (6) are fixed on both sides of the bottom end of the stamping plate (7), a first Velcro (13) is fixed to the bottom end of the buffer column (6), a second Velcro (14) is connected to the bottom end of the first Velcro (13), and a buffer pad (15) is fixed to the bottom end of the second Velcro (14).

8. The sheet metal stamping forming equipment for the front door reinforcement plate of the vehicle body according to claim 1, characterized in that: A buffer seat (12) is fixed on both sides of the top of the workbench (1), guide rails (25) are fixed on both sides of the inner wall of the buffer seat (12), the outer side walls of the guide rails (25) are connected to guide blocks (26), a moving block (23) is connected between the guide blocks (26), an anti-collision pad (24) is fixed on the top of the moving block (23), a telescopic sleeve rod (21) is installed at the bottom end of the inner wall of the buffer seat (12), the outer side wall of the telescopic sleeve rod (21) is connected to a buffer spring (22), and the guide blocks (26) are symmetrically distributed about the central axis of the moving block (23).