A stamping device for automotive sheet metal parts

Abstract

This utility model relates to the field of automotive sheet metal processing technology, and provides an automotive sheet metal stamping device, including a base. The base has a mating groove inside, and a U-shaped frame plate is fixedly connected to the outer wall of the base. A limit rod is movably connected inside the U-shaped frame plate, and a retaining plate is fixedly connected to the outer wall of the limit rod. A return spring is installed on one side of the retaining plate. A mating block is installed inside the mating groove, and a limit hole is opened inside the mating block. A lower die is fixedly connected to the top of the mating block, and a positioning baffle is fixedly connected to the top of the base. This utility model allows the limit rod to slide along the base by pulling it. When the limit rod moves out of the limit hole, the lower die can be pulled upwards, allowing the mating block to move out of the mating groove. The lower die of the desired shape can then be installed, facilitating the disassembly and replacement of the lower die according to actual processing requirements.

Description

Technical Field

[0001] This utility model relates to the field of automotive sheet metal processing technology, and in particular to an automotive sheet metal stamping device. Background Technology

[0002] Sheet metal parts, as essential basic components forming the car body and key parts, directly affect the safety, sealing, and aesthetics of the vehicle through their forming quality. Stamping, as the core process in automotive sheet metal part production, is widely used in the processing of various complex-shaped sheet metal parts such as doors, hoods, and chassis components due to its advantages of high efficiency, low cost, and mass production capability. To address this, patent CN213223894U discloses an automotive sheet metal stamping device, including a base, with columns fixed to the top of both sides of the base, and a top beam welded to the top of each column via welding parts; a storage groove is provided in the middle of the bottom of the inner wall of the top beam, and a motor is installed on one side of the base, with a screw fixed to one end of the motor output shaft. This invention uses a second elastic support to buffer the vibration generated during sheet metal stamping, and a first elastic support to buffer the vibration between the support platform and the processing platform. These two stages of buffering reduce the vibration generated during stamping, protecting the device and facilitating sheet metal stamping. Through the coordinated use of the motor, screw, slide rod, and sliding sleeve, the connecting plate and electro-hydraulic push rod can be lowered to adjust the stroke of the stamping head, meeting the stamping requirements of different sheet metal parts. The sheet metal parts are clamped and fixed to the mold by a fixture to prevent displacement during processing and improve stamping accuracy. The existing technical solutions mentioned above have the following drawbacks: although they can achieve the effect of shock absorption during use, it is inconvenient to disassemble and replace the stamping die according to the actual stamping requirements of the sheet metal parts, thus affecting the applicability of the stamping device. Utility Model Content

[0003] The purpose of this utility model is to provide an automotive sheet metal stamping device to solve the defect of existing automotive sheet metal stamping devices that make it inconvenient to disassemble and replace the stamping die according to the actual stamping requirements of the sheet metal parts.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a stamping device for automotive sheet metal parts, including a base; The base has a docking groove inside, and a U-shaped frame plate is fixedly connected to the outer wall of the base; The U-shaped frame plate is internally connected to a limiting rod, and a clamping plate is fixedly connected to the outer wall of the limiting rod. A return spring is installed on one side of the clamping plate. A docking block is installed inside the docking groove. A limiting hole is opened inside the docking block. A lower mold is fixedly connected to the top of the docking block. A positioning baffle is fixedly connected to the top of the base.

[0005] Preferably, the base and the limiting rod form a sliding structure, and the limiting rod and the U-shaped frame plate form a sliding structure, which allows the limiting rod to slide along the base.

[0006] Preferably, the reset spring is sleeved and installed on the outer wall of the limiting rod, and the reset spring is placed between the clamping plate and the U-shaped frame plate, so that the limiting rod can automatically reset after being released.

[0007] Preferably, the base is engaged with the docking block via a docking groove, and the limiting rod is engaged with the docking block via a limiting hole, which allows the docking block to be engaged in the docking groove for docking.

[0008] Preferably, a support frame is fixedly connected to the top of the base, a material ejector rod is fixedly connected to the bottom of the support frame, a hydraulic rod is fixedly connected to the top of the support frame, a receiving plate is fixedly connected to the output end of the hydraulic rod, a guide sleeve block is fixedly connected to the outer wall of the receiving plate, a guide groove is provided inside the guide sleeve block, an upper mold is installed at the bottom of the receiving plate, and an internal hexagon bolt is installed inside the upper mold.

[0009] Preferably, the guide sleeve is connected to the support frame via a guide groove to form a sliding structure. The guide sleeve is symmetrically arranged about the central axis of the receiving plate. Both the receiving plate and the upper mold are designed with openings, which allows the guide sleeve to slide along the support frame.

[0010] Preferably, the ejector bar and the upper mold form a sliding structure, and the internal hex bolt is threadedly connected to the receiving plate, which allows the ejector bar to slide along the upper mold and causes the sheet metal parts stuck to the upper mold to be ejected and dropped when the upper mold rises.

[0011] The present invention provides a stamping device for automotive sheet metal parts, the advantages of which are: The system consists of a base, docking groove, limiting rod, return spring, docking block, limiting hole, and lower mold. By pulling the limiting rod, the limiting rod slides along the base. When the limiting rod moves out of the limiting hole, the lower mold is pulled upwards, which allows the docking block to move out of the docking groove. The lower mold of the required shape can then be installed, making it easy to disassemble and replace the lower mold according to actual processing needs. Furthermore, under the action of the return spring, when the limit rod is released, it can be inserted into the limit hole opened inside the docking block for limiting. Furthermore, the positioning baffle can prevent sheet metal parts from shifting during placement, thereby improving the quality of sheet metal stamping. By setting up a lower mold, support frame, ejector rod, hydraulic rod, receiving plate, guide sleeve block and upper mold, the sheet metal part is placed on the lower mold and the hydraulic rod is activated, which can make the receiving plate move down, make the guide sleeve block slide along the support frame, and make the upper mold installed at the bottom of the receiving plate stamp the sheet metal part. With the cooperation of the upper mold and the lower mold, the sheet metal part can be stably stamped and formed. Furthermore, under the action of the ejector bar, the sheet metal parts adhering to the upper mold can be pushed off. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a front view schematic diagram of the present utility model; Figure 3 This is a three-dimensional structural diagram of the limiting rod of this utility model; Figure 4 This is a three-dimensional structural diagram of the lower mold of this utility model; Figure 5 This is a three-dimensional structural diagram of the receiving plate of this utility model.

[0013] The following are the annotations in the diagram: 1. Base; 2. Connecting groove; 3. U-shaped frame plate; 4. Limiting rod; 5. Clamping plate; 6. Return spring; 7. Connecting block; 8. Limiting hole; 9. Lower mold; 10. Positioning baffle; 11. Support frame; 12. Unloading rod; 13. Hydraulic rod; 14. Receiving plate; 15. Guide sleeve block; 16. Guide groove; 17. Upper mold; 18. Hex socket head cap screw. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figures 1-5 The present invention provides an automotive sheet metal stamping device, including a base 1.

[0016] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the base 1 has a docking groove 2 inside, and a U-shaped frame plate 3 is fixedly connected to the outer wall of the base 1. A limit rod 4 is movably connected inside the U-shaped frame plate 3. A clamping plate 5 is fixedly connected to the outer wall of the limit rod 4. A return spring 6 is installed on one side of the clamping plate 5. A docking block 7 is installed inside the docking groove 2. A limit hole 8 is opened inside the docking block 7. A lower mold 9 is fixedly connected to the top of the docking block 7. A positioning baffle 10 is fixedly connected to the top of the base 1. The base 1 and the limit rod 4 form a sliding structure. The limit rod 4 and the U-shaped frame plate 3 form a sliding structure. The return spring 6 is sleeved and installed on the outer wall of the limit rod 4. The return spring 6 is placed between the clamping plate 5 and the U-shaped frame plate 3. The base 1 is engaged with the docking block 7 through the docking groove 2. The limit rod 4 is engaged with the docking block 7 through the limit hole 8.

[0017] By pulling the limiting rod 4, the limiting rod 4 slides along the base 1, causing the clamping plate 5 to press the reset spring 6. When the limiting rod 4 moves out of the limiting hole 8, the lower mold 9 is pulled up, which can move the docking block 7 out of the docking groove 2. The lower mold 9 of the required shape can then be installed. Similarly, the upper mold 17 can be replaced with the corresponding shape.

[0018] Reference Figure 2 and Figure 5 As shown, a support frame 11 is fixedly connected to the top of the base 1, a material ejector rod 12 is fixedly connected to the bottom of the support frame 11, a hydraulic rod 13 is fixedly connected to the top of the support frame 11, a receiving plate 14 is fixedly connected to the output end of the hydraulic rod 13, a guide sleeve 15 is fixedly connected to the outer wall of the receiving plate 14, a guide groove 16 is provided inside the guide sleeve 15, an upper mold 17 is installed at the bottom of the receiving plate 14, an internal hex bolt 18 is installed inside the upper mold 17, the guide sleeve 15 forms a sliding structure with the support frame 11 through the guide groove 16, the guide sleeve 15 is symmetrically arranged about the central axis of the receiving plate 14, both the receiving plate 14 and the upper mold 17 are designed with openings, the material ejector rod 12 forms a sliding structure with the upper mold 17, and the internal hex bolt 18 is threadedly connected to the receiving plate 14.

[0019] By placing the sheet metal part on the lower mold 9 and activating the hydraulic rod 13, the receiving plate 14 can be moved downward. Under the action of the guide groove 16, the guide sleeve 15 can slide along the support frame 11, so that the upper mold 17 installed at the bottom of the receiving plate 14 can stamp the sheet metal part. With the cooperation of the upper mold 17 and the lower mold 9, the sheet metal part can be formed. Activating the hydraulic rod 13 again will move the upper mold 17 upward. At this time, the sheet metal part will often stick to the outer wall of the upper mold 17. As the upper mold 17 continues to rise, the ejector rod 12 can pass through the upper mold 17 and push the sheet metal part down.

[0020] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A stamping device for automotive sheet metal parts, comprising a base (1). Its features are: The base (1) has a docking groove (2) inside, and a U-shaped frame plate (3) is fixedly connected to the outer wall of the base (1). The U-shaped frame plate (3) is internally connected to a limiting rod (4), and a clamping plate (5) is fixedly connected to the outer wall of the limiting rod (4). A reset spring (6) is installed on one side of the clamping plate (5). A docking block (7) is installed inside the docking groove (2). A limiting hole (8) is opened inside the docking block (7). A lower mold (9) is fixedly connected to the top of the docking block (7). A positioning baffle (10) is fixedly connected to the top of the base (1).

2. The stamping device for an automobile sheet metal part according to claim 1, characterized in that: The base (1) and the limiting rod (4) form a sliding structure, and the limiting rod (4) and the U-shaped frame plate (3) form a sliding structure.

3. The stamping device of claim 1, wherein: The reset spring (6) is sleeved and installed on the outer wall of the limiting rod (4), and the reset spring (6) is placed between the card plate (5) and the U-shaped frame plate (3).

4. The stamping device of claim 1, wherein: The base (1) is engaged with the docking block (7) through the docking groove (2), and the limiting rod (4) is engaged with the docking block (7) through the limiting hole (8).

5. The stamping device of claim 1, wherein: A support frame (11) is fixedly connected to the top of the base (1), a material ejector rod (12) is fixedly connected to the bottom of the support frame (11), a hydraulic rod (13) is fixedly connected to the top of the support frame (11), a receiving plate (14) is fixedly connected to the output end of the hydraulic rod (13), a guide sleeve (15) is fixedly connected to the outer wall of the receiving plate (14), a guide groove (16) is provided inside the guide sleeve (15), an upper mold (17) is installed at the bottom of the receiving plate (14), and an internal hexagon bolt (18) is installed inside the upper mold (17).

6. The stamping device of claim 5, wherein: The guide sleeve (15) forms a sliding structure with the support frame (11) through the guide groove (16). The guide sleeve (15) is symmetrically arranged with respect to the central axis of the receiving plate (14). The receiving plate (14) and the upper mold (17) are both designed with openings.

7. The stamping device of claim 5, wherein: The ejector bar (12) and the upper mold (17) form a sliding structure, and the internal hex bolt (18) is threadedly connected to the receiving plate (14).

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