Optimized metal punch forming device

By using step-by-step stamping and hydraulic control technical means in the metal stamping forming device, the residual stress control problem during the stamping process is solved, and the precise forming of workpieces and the extension of mold life is achieved.

CN222817752UActive Publication Date: 2025-05-02SHENGZHOU FUXUAN ELECTROACOUSTIC EQUIP CO LTD
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Patent Information

Application Number
CN202421006672.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-05-02
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

Existing metal stamping forming devices cannot actively control and eliminate residual stresses generated during stamping, resulting in unbalanced internal stress of parts and affecting the dimensional accuracy and functional performance of the product.

Method used

An optimized metal stamping forming device is designed, using a step-by-step stamping mechanism to break down complex stamping processes into multiple simple steps, and precise control and buffering of the stamping process is achieved through mechanical structures such as hydraulic cylinders and push rods.

Benefits of technology

Through step-by-step stamping and hydraulic control, the deformation of the workpiece is effectively reduced, the forming accuracy is improved, the service life of the mold is extended, and the damage caused by excessive impact force is avoided.

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Abstract

The utility model discloses an optimized metal punch forming device, which relates to the technical field of manufacturing engineering, and comprises a base, a dustproof mechanism is arranged at the top of the base, a step-by-step punching mechanism is arranged on the inner side of the dustproof mechanism, and the step-by-step punching mechanism is fixedly arranged at the top of the base. The step-by-step stamping mechanism comprises a first stamping assembly fixedly installed on one side of the top of the base, and a second stamping assembly is arranged on one side of the first stamping assembly. According to the optimized metal punch forming device, through the arrangement of the step-by-step punching mechanism, the complex punching procedure can be decomposed into a plurality of simple steps, each step can be more accurate and controllable, workpiece deformation can be effectively reduced by completing each procedure step by step, the forming precision is improved, and the production efficiency is improved. And damage caused by instant overlarge impact force is avoided, the working strength of each die and tool can be reduced, the stress area is reduced, and therefore the service life of the die is prolonged.
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Description

Technical Field

[0001] The utility model belongs to the technical field of manufacturing engineering, and in particular relates to an optimized metal stamping forming device. Background Art

[0002] Stamping refers to a processing method in which a press and a die apply external force to plates, strips, tubes and profiles to cause them to undergo plastic deformation or separation, thereby obtaining a workpiece (stamping part) of the desired shape and size. The stamping blanks are mainly hot-rolled and cold-rolled steel plates and strips.

[0003] At present, metal stamping forming devices are unable to actively control and eliminate the residual stress generated during the stamping process. Residual stress will cause stress imbalance inside the parts, making them unstable, causing the parts to deform, twist or warp during use, affecting the dimensional accuracy and functional performance of the product. It will also cause stress concentration in the parts, causing the material to break, crack or brittle fracture, reducing the strength and durability of the parts. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing metal stamping forming device cannot actively control and eliminate the residual stress generated in the stamping process.

[0005] The technical solution adopted by the utility model to solve its technical problems is: an optimized metal stamping forming device, including a base, a dustproof mechanism is arranged on the top of the base, a step-by-step stamping mechanism is arranged on the inner side of the dustproof mechanism, and the step-by-step stamping mechanism is fixedly installed on the top of the base, the step-by-step stamping mechanism includes a first stamping assembly fixedly installed on one side of the top of the base, a second stamping assembly is arranged on one side of the first stamping assembly, and the second stamping assembly is located on the other side fixedly installed on the top of the base.

[0006] As a preferred embodiment of the present invention, the first stamping assembly and the second stamping assembly both include a mounting seat fixedly mounted on the top of the base, guide rods are fixedly mounted on the four corners of the top of the mounting seat, and a pressure block is slidably mounted on the outer side of the guide rod.

[0007] As a preferred embodiment of the utility model, a mounting plate is fixedly installed on the top of the guide rod, a hydraulic cylinder is fixedly installed on the middle part of the top of the mounting plate, a push rod is provided in the inner cavity of the hydraulic cylinder, and the push rod passes through the bottom of the mounting plate, and the bottom of the push rod is fixedly connected to the top of the pressure block.

[0008] As a preferred embodiment of the utility model, an upper fixed block is fixedly installed on the bottom of the pressing block by bolts, limiting holes are provided at the four corners of the bottom of the upper fixed block, an upper mold is arranged in the middle part of the bottom of the upper fixed block, a lower fixed block is fixedly installed in the middle part of the top of the mounting seat, and a lower mold is arranged in the middle part of the top of the lower fixed block.

[0009] As a preferred embodiment of the utility model, limiting rods are fixedly installed at the four corners of the top of the lower fixed block, a movable plate is movably installed on the outer side of the limiting rod, a buffer spring is sleeved on the outer side of the limiting rod, and the buffer spring is located at the bottom of the movable plate, and a through hole is opened in the middle part of the movable plate, and the shape of the through hole is the same as the top surface shape of the lower mold.

[0010] As a preferred embodiment of the utility model, the dustproof mechanism includes a dust cover fixedly mounted on the top of the base, the front side of the dust cover is connected to a door panel via a hinge, and an observation window is fixedly mounted on the middle part of the door panel.

[0011] As a preferred embodiment of the utility model, a support column is fixedly installed on the bottom of the base, a support block is fixedly installed on the bottom of the support column, and a mounting hole is opened on the top of the support block.

[0012] The beneficial effects of the utility model are:

[0013] 1. This optimized metal stamping forming device can decompose the complex stamping process into multiple simple steps through the setting of the step-by-step stamping mechanism, so that each step can be more precise and controllable. By gradually completing each process, it can effectively reduce the deformation of the workpiece, improve the forming accuracy, and avoid damage caused by excessive impact force. It can also reduce the working intensity of each mold and tooling, reduce the force area, and thus extend the service life of the mold.

[0014] 2. This optimized metal stamping forming device can prevent dust and pollutants from entering the interior of the stamping device through the setting of a dustproof mechanism, thereby keeping the equipment clean and operating normally. It can also protect key components and equipment inside the metal stamping device, avoid corrosion, wear and failure caused by dust, pollutants or other external factors, and extend the life and stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure provided by an embodiment of the utility model;

[0016] Figure 2 It is a left view of the overall structure provided by the embodiment of the utility model;

[0017] Figure 3 It is a left view of a local structure provided by an embodiment of the utility model;

[0018] Figure 4 It is a right view of the structure of the step-by-step stamping mechanism provided by the embodiment of the utility model;

[0019] Figure 5 It is a bottom view of the step-by-step stamping mechanism structure provided by an embodiment of the utility model.

[0020] Explanation of marks in the figure: 1. Base; 2. Dust-proof mechanism; 201. Dust cover; 202. Door panel; 203. Observation window; 3. Step-by-step stamping mechanism; 301. First stamping assembly; 302. Second stamping assembly; 4. Mounting seat; 5. Guide rod; 6. Pressure block; 7. Mounting plate; 8. Hydraulic cylinder; 9. Push rod; 10. Upper fixed block; 11. Limiting hole; 12. Lower fixed block; 13. Limiting rod; 14. Moving plate; 15. Buffer spring; 16. Through hole; 17. Support column; 18. Support block; 19. Mounting hole; 20. Upper mold; 21. Lower mold. DETAILED DESCRIPTION

[0021] The present invention will now be further described in detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0022] like Figures 1 to 5 As shown, the utility model provides an optimized metal stamping forming device, including a base 1, a dustproof mechanism 2 is arranged on the top of the base 1, a step-by-step stamping mechanism 3 is arranged on the inner side of the dustproof mechanism 2, and the step-by-step stamping mechanism 3 is fixedly installed on the top of the base 1, the step-by-step stamping mechanism 3 includes a first stamping assembly 301 fixedly installed on one side of the top of the base 1, a second stamping assembly 302 is arranged on one side of the first stamping assembly 301, and the second stamping assembly 302 is located on the other side fixedly installed on the top of the base 1.

[0023] refer to Figure 1 , Figure 2 , Figure 4 and Figure 5The first stamping assembly 301 and the second stamping assembly 302 both include a mounting seat 4 fixedly mounted on the top of the base 1, a guide rod 5 fixedly mounted on the four corners of the top of the mounting seat 4, a pressing block 6 slidably mounted on the outer side of the guide rod 5, a mounting plate 7 fixedly mounted on the top of the guide rod 5, a hydraulic cylinder 8 fixedly mounted on the middle part of the top of the mounting plate 7, a push rod 9 is provided in the inner cavity of the hydraulic cylinder 8, and the push rod 9 penetrates to the bottom of the mounting plate 7, the bottom of the push rod 9 is fixedly connected to the top of the pressing block 6, the bottom of the pressing block 6 is fixedly mounted with an upper fixing block 10 by bolts, and the four corners of the bottom of the upper fixing block 10 A limiting hole 11 is provided, an upper mold 20 is provided in the middle part of the bottom of the upper fixed block 10, a lower fixed block 12 is fixedly installed in the middle part of the top of the mounting seat 4, a lower mold 21 is provided in the middle part of the top of the lower fixed block 12, and a limiting rod 13 is fixedly installed at the four corners of the top of the lower fixed block 12, a movable plate 14 is movably installed on the outer side of the limiting rod 13, a buffer spring 15 is sleeved on the outer side of the limiting rod 13, and the buffer spring 15 is located at the bottom of the movable plate 14, and a through hole 16 is provided in the middle part of the movable plate 14, and the shape of the through hole 16 is the same as the top surface shape of the lower mold 21.

[0024] The above scheme is adopted: through the setting of the first stamping component 301, the original material is initially stamped and formed to obtain a preliminary shape and contour; through the setting of the second stamping component 302, based on the forming result of the first stamping component 301, further processing and modification can be carried out on this basis to obtain a more precise and complex shape and structure; through the setting of the guide rod 5, the pressure block 6 can maintain good positioning and guidance during the stamping process; the hydraulic cylinder 8 provides pressure and force to promote and control the stamping process; this force is transmitted to the workpiece through the push rod 9 to realize the stamping operation; through the setting of the buffer spring 15, it can bear part of the impact energy during the stamping process, and alleviate the impact force through its own elastic deformation, which helps to prevent damage to parts and molds, and reduce the mechanical load of the stamping equipment, thereby extending the life of the equipment; through the setting of the movable plate 14, the impact force generated during the stamping process can be effectively dispersed; through the setting of the through hole 16, the precise alignment between the movable plate 14 and the lower mold 21 can be achieved, thereby improving the working accuracy of the stamping device.

[0025] refer to Figures 1 to 3 The dustproof mechanism 2 includes a dust cover 201 fixedly mounted on the top of the base 1, a door panel 202 is hingedly connected to the front of the dust cover 201, an observation window 203 is fixedly mounted in the middle of the door panel 202, a support column 17 is fixedly mounted on the bottom of the base 1, a support block 18 is fixedly mounted on the bottom of the support column 17, and a mounting hole 19 is provided on the top of the support block 18.

[0026] The above scheme is adopted: through the setting of the dust cover 201, dust and pollutants can be prevented from entering the interior of the stamping device, and the equipment can be kept clean and operating normally. Through the setting of the door panel 202, it is convenient for the user to perform maintenance and service work on the inside of the metal stamping device. Through the setting of the observation window 203, it is convenient for the user to observe the morphological changes of the workpiece during the stamping process and the operation of the device, and to discover problems in time and take corresponding measures. Through the setting of the support block 18 and the mounting hole 19, it can be ensured that the device has sufficient stability and anti-tilt ability during operation.

[0027] Working principle:

[0028] When in use, the user opens the door panel 202 and places the raw material on the movable plate 14 inside the first stamping component 301. The push rod 9 is pushed by operating the hydraulic cylinder 8 to drive the pressure block 6 and the upper mold 20 to move and transfer force to the workpiece to achieve a preliminary stamping operation. The preliminary stamped workpiece is then placed on the movable plate 14 inside the second stamping component 302. The hydraulic cylinder 8 is operated again to drive the pressure block 6 to perform a secondary stamping on the preliminary stamped workpiece to improve the shape, size and quality of the workpiece to meet the final design requirements.

[0029] To sum up: this optimized metal stamping forming device, through the setting of the step-by-step stamping mechanism 3, can decompose the complex stamping process into multiple simple steps, so that each step can be more precise and controllable. By gradually completing each process, it can effectively reduce the deformation of the workpiece, improve the forming accuracy, and avoid damage caused by excessive impact force. It can also reduce the working intensity of each mold and tooling, reduce the force area, and thus extend the service life of the mold.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device;

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents;

[0032] The above description only describes the specific implementation methods of the utility model. Various examples do not limit the essential content of the utility model. Ordinary technicians in the relevant technical field can modify or deform the specific implementation methods described above after reading the description without departing from the essence and scope of the utility model.

Claims

1. An optimized metal stamping forming device, comprising a base (1), a dustproof mechanism (2) being arranged on the top of the base (1), a step-by-step stamping mechanism (3) being arranged on the inner side of the dustproof mechanism (2), and the step-by-step stamping mechanism (3) being fixedly mounted on the top of the base (1), characterized in that: The step-by-step punching mechanism (3) comprises a first punching assembly (301) fixedly mounted on one side of the top of the base (1); a second punching assembly (302) is arranged on one side of the first punching assembly (301), and the second punching assembly (302) is located on the other side fixedly mounted on the top of the base (1).

2. The optimized metal stamping forming device according to claim 1, characterized in that: The first punching assembly (301) and the second punching assembly (302) both comprise a mounting seat (4) fixedly mounted on the top of the base (1), guide rods (5) being fixedly mounted at the four corners of the top of the mounting seat (4), and a pressing block (6) being slidably mounted on the outer side of the guide rod (5).

3. The optimized metal stamping forming device according to claim 2, characterized in that: A mounting plate (7) is fixedly mounted on the top of the guide rod (5), a hydraulic cylinder (8) is fixedly mounted on the middle portion of the top of the mounting plate (7), a push rod (9) is provided in the inner cavity of the hydraulic cylinder (8), and the push rod (9) extends through the bottom of the mounting plate (7), and the bottom of the push rod (9) is fixedly connected to the top of the pressure block (6).

4. The optimized metal stamping forming device according to claim 2, characterized in that: An upper fixing block (10) is fixedly mounted on the bottom of the pressing block (6) by bolts, and limiting holes (11) are provided at four corners of the bottom of the upper fixing block (10). An upper mold (20) is provided in the middle of the bottom of the upper fixing block (10), and a lower fixing block (12) is fixedly mounted on the middle of the top of the mounting seat (4), and a lower mold (21) is provided in the middle of the top of the lower fixing block (12).

5. The optimized metal stamping forming device according to claim 4, characterized in that: The four corners of the top of the lower fixed block (12) are fixedly mounted with limiting rods (13), and a movable plate (14) is movably mounted on the outer side of the limiting rod (13). A buffer spring (15) is sleeved on the outer side of the limiting rod (13), and the buffer spring (15) is located at the bottom of the movable plate (14). A through hole (16) is opened in the middle of the movable plate (14), and the shape of the through hole (16) is the same as the shape of the top surface of the lower mold (21).

6. The optimized metal stamping forming device according to claim 1, characterized in that: The dustproof mechanism (2) comprises a dustproof cover (201) fixedly mounted on the top of the base (1); the front of the dustproof cover (201) is connected to a door panel (202) via a hinge; and an observation window (203) is fixedly mounted in the middle of the door panel (202).

7. The optimized metal stamping forming device according to claim 1, characterized in that: A support column (17) is fixedly mounted on the bottom of the base (1), a support block (18) is fixedly mounted on the bottom of the support column (17), and a mounting hole (19) is provided on the top of the support block (18).