A stamping machine for automotive parts and its usage method

Abstract

The present invention discloses a stamping machine for automotive parts and its usage method, including a stamping device. A bottom of the stamping device is fixedly connected with an adjustable part fixing device, and a bottom of the adjustable part fixing device is fixedly connected with a material taking device. The adjustable part fixing device includes a fixed frame, and a transfer platform is fixedly installed inside the fixed frame. In the present invention, the first bearing platform and the second bearing platform jointly hold parts, making full use of the surface areas of the first bearing platform and the second bearing platform, which can increase the installation quantity of parts, thereby avoiding the stability of spending extra time on replacing parts. At the same time, the driving motor can directly drive the central rotating rod to rotate, ensuring that the parts on the four surfaces of the first bearing platform and the second bearing platform are sequentially docked with the stamping device, and new parts can be processed without interrupting the stamping device.

Description

Technical Field

[0001] The present invention relates to the technical field of stamping of automotive parts, and particularly to a stamping machine for automotive parts and its usage method. Background Art

[0002] Stamping refers to a pressure processing method in which a mold installed on a press applies a force to a material at room temperature, causing it to separate or plastically deform, thereby obtaining the required parts. The parts obtained through stamping processing are called stamped parts, and the machine for manufacturing stamped parts is called a stamping machine. In the production process of automotive parts, a stamping machine is often required. During the production process of an automobile, various parts are needed, and most automotive parts are directly stamped from metal materials by a stamping machine.

[0003] In the prior art, such as the "Stamping Machine for Producing Automotive Parts and Its Usage Method" with Chinese Patent No. CN202210281845, it includes a machine body, an upper mold, and a lower mold. A working table is correspondingly provided at the lower part of the machine body, and a fixing plate is correspondingly installed in the middle of the working table. A fixing groove matching the lower mold is correspondingly provided on the upper surface of the fixing plate, and the lower mold can be adsorbed and fixed in the fixing groove; a lifting cylinder is correspondingly installed at the upper part of the machine body, the upper mold is detachably installed on the piston rod at the bottom of the lifting cylinder, and the upper mold is correspondingly located directly above the lower mold; a through avoidance hole is correspondingly opened in the middle of the fixing groove, and an ejecting cylinder is installed at the position corresponding to the avoidance hole at the bottom of the fixing plate, and the piston of the ejecting cylinder can move up and down along the avoidance hole. This device can quickly and effectively replace the mold on the stamping machine. The installation and disassembly of its mold are relatively simple, and the stamping efficiency is relatively high. Its overall design is ingenious and the operation is simple, which is worthy of promotion.

[0004] However, in the prior art, when the stamping device performs stamping forming, generally only a single part can be stamped. Therefore, every time after stamping is completed and another part needs to be replaced, the operator needs to take off the stamped part and then place the untreated part on the stamping device for stamping. The entire process requires the operation of the stamping device to be interrupted multiple times, which is likely to slow down the stamping efficiency. Moreover, each time a part is replaced, it will take extra time, further resulting in a decline in the overall processing efficiency. Summary of the Invention

[0005] The object of the present invention is to provide a stamping machine for automotive parts and its usage method, so as to solve the problem proposed in the above background technology that when the stamping device performs stamping and forming, it can generally only stamp a single part. Therefore, every time after stamping is completed and another part needs to be replaced, the operator needs to remove the stamped part and then place the untreated part on the stamping device for stamping. The entire process requires the operation of the stamping device to be interrupted multiple times, which is likely to slow down the stamping efficiency, and each time of replacing the part will take additional time, further resulting in a decline in the overall processing efficiency.

[0006] To achieve the above object, the present invention provides the following technical solution: A stamping machine for automotive parts, including a stamping device, a bottom of the stamping device is fixedly connected with an adjustable part fixing device, and a bottom of the adjustable part fixing device is fixedly connected with a material taking device;

[0007] The adjustable part fixing device includes a fixed frame, an inside of the fixed frame is fixedly installed with a transfer platform, one side of the transfer platform is rotatably connected with a first bearing platform, a calibration disc is fixedly installed at a junction of the first bearing platform and the transfer platform, a receiving frame is movably installed on an upper surface of the first bearing platform, limiting side plates are movably installed on both sides of the first bearing platform, an extension block is fixedly installed at the other end of the first bearing platform, the other side of the extension block is movably connected with a second bearing platform, an electric telescopic rod is arranged between the second bearing platform and the extension block, a limiting bracket is movably connected between the second bearing platforms, a driving motor is fixedly installed on the other side of the first bearing platform, a positioning bearing is fixedly connected to one side of the transfer platform, a connecting cylinder is fixedly installed on one side of the calibration disc, one end of the connecting cylinder is fixedly connected with a central rotating rod, and one end of the central rotating rod is movably connected with a driving rod of the driving motor. The positioning bearing is located at a junction of the central rotating rod and the driving motor. The volume of the second bearing platform is smaller than that of the first bearing platform, which is mainly used for processing some parts with smaller volumes, while the volume of the first bearing platform is larger and is used for processing some parts with larger volumes.

[0008] Preferably, first mold fixing plates are fixedly installed on both upper and lower sides of the second bearing platform, protection panels are movably connected to tops of the two first mold fixing plates, and second mold fixing plates are movably installed on both sides of the second bearing platform, which facilitates the installation and disassembly of parts.

[0009] Preferably, the stamping device includes a support frame, a first movable platform is movably installed at one end of the support frame, and a first limiting guide rail is fixedly installed at a junction of the support frame and the first movable platform.

[0010] Preferably, a second movable platform is movably installed on the top of the first movable platform, a second limit guide rail is fixedly installed at the junction of the first movable platform and the second movable platform, the second movable platform is smaller than the first movable platform, the second limit guide rail and the first limit guide rail are arranged to be perpendicular to each other, an upper mold is fixedly installed on the top of the second movable platform, the second movable platform on the first movable platform can be moved along the second limit guide rail to adjust a specific stamping part, and combined with the movement of the first movable platform, the accuracy of the stamping part can be greatly improved.

[0011] Preferably, the bottom of the upper mold is movably connected to the lower mold, a guide column is movably connected between the lower mold and the upper mold, positioning ends are fixedly installed on both sides of the lower mold, and a positioning column is fixedly connected to the top of the positioning end.

[0012] Preferably, a reinforcing side frame is slidably connected to the outer wall of the positioning column, a fixed bracket is slidably connected to the upper surface of the reinforcing side frame, the top of the fixed bracket is movably connected to the outer wall of the support frame, and a connecting plate is fixedly installed at the junction of the fixed bracket and the support frame.

[0013] Preferably, the material picking device includes a vertical support platform, one side of the vertical support platform is fixedly connected to a base, the top of the base is fixedly installed with a buffer pad, and the upper surface of the buffer pad is fixedly installed with a lifting platform, which can push the supporting base plate upward close to the first supporting platform 23 and the second supporting platform for easy docking of components.

[0014] Preferably, the top of the lifting platform is fixedly connected to a supporting bottom plate, the upper surface of the supporting bottom plate is slidably connected to a material-retrieving platform, and a third limiting guide rail is provided at the junction of the supporting bottom plate and the material-retrieving platform.

[0015] Preferably, a material receiving trough is provided on the upper surface of the material retrieving platform, an electric push rod is fixedly installed on one end of the material retrieving platform, a transfer panel is fixedly connected to the other end of the electric push rod, a push plate is fixedly connected to one side of the transfer panel, and the bottom of the push plate is slidably connected to the upper surface of the material retrieving platform, eliminating the need to manually remove parts.

[0016] A method for using a stamping machine for automobile parts, the method comprising the following steps:

[0017] S1. Put the raw materials of automobile parts to be stamped on the first bearing platform and the second bearing platform, fix the parts on the second bearing platform by using the first mold fixing plate and the second mold plate, and fix the parts on the first bearing platform by the receiving frame, wherein the volume of the second bearing platform is smaller than that of the first bearing platform, and is mainly used for processing some small parts, while the volume of the first bearing platform is larger, and is used for processing some large parts;

[0018] S2. Subsequently, control the first movable platform and the second movable platform to move according to the types of components. The first movable platform can move along the first limit guide rail to determine whether to process the components on the first bearing platform or the second bearing platform. After determining the bearing platform, then control the second movable platform to move along the second limit guide rail and cooperate with the positioning ends at both ends of the upper and lower dies to determine the specific stamping position.

[0019] S3. The upper die moves the lower die along the direction of the guide post, so that the lower die punches the components on the first bearing platform or the second bearing platform. After stamping is completed, the driving motor drives the central rotating rod to rotate, changing the upper surfaces of the first bearing platform and the second bearing platform, and moving the new components to the lower part of the stamping device for stamping.

[0020] S4. The lifting table moves to the lower part of the component that has been rotated to the lowest position. The material taking table moves along the third limit guide rail to the lower part of the component to be removed. At this time, the pushing plate will contact the component, and under the drive of the electric push rod, use the pushing plate to push the component out of the first bearing platform or the second bearing platform for installing new components.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. In the present invention, the first bearing platform and the second bearing platform are used together to hold components, making full use of the surface areas of the first bearing platform and the second bearing platform, which can increase the number of installed components, thus avoiding the situation of spending extra time on replacing components. At the same time, the driving motor can directly drive the central rotating rod to rotate, causing the first bearing platform and the second bearing platform to also rotate, ensuring that the components on the four surfaces of the first bearing platform and the second bearing platform are sequentially docked with the stamping device, so as to ensure the stamping efficiency and process new components without interrupting the stamping device.

[0023] 2. In the present invention, the first movable platform on the stamping device can move along the first limit guide rail, so that the components on the first movable platform and the second movable platform can be processed. The second movable platform on the first movable platform can move along the second limit guide rail to adjust the specific stamping position. Combined with the movement of the first movable platform, the accuracy of the stamping position can be greatly improved, and the device has no excessive requirements for the deployment position of the components, which can help save the time for fixing the components. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic structural diagram of a stamping machine for automobile parts according to the present invention;

[0025] Figure 2 It is a schematic structural diagram of a punching device of a punching machine for automobile parts of the present invention;

[0026] Figure 3 For the present invention Figure 2 A schematic diagram of the structure of part A in the middle;

[0027] Figure 4 It is a structural schematic diagram of one side of an adjustable part fixing device of a punching machine for automobile parts of the present invention;

[0028] Figure 5 It is a structural schematic diagram of the other side of an adjustable part fixing device of a stamping machine for automobile parts of the present invention;

[0029] Figure 6 It is a schematic diagram of the planar structure of one side of an adjustable part fixing device of a punching machine for automobile parts of the present invention;

[0030] Figure 7 The present invention is a schematic structural diagram of a material taking device of a stamping machine for automobile parts.

[0031] In the figure:

[0032] 1. Punching device; 2. Adjustable parts fixing device; 3. Material taking device;

[0033] 11. Support frame; 12. First movable platform; 13. First limiting guide rail; 14. Second movable platform; 15. Second limiting guide rail; 16. Upper die; 17. Guide column; 18. Lower die; 19. Positioning end; 110. Positioning column; 111. Fixed bracket; 112. Connecting plate; 113. Reinforced side frame;

[0034] 21. Fixed frame; 22. Transfer platform; 23. First bearing platform; 24. Proofreading disc; 25. Undertaking frame; 26. Limiting side plate; 27. Extension block; 28. Second bearing platform; 29. ​​Driving motor; 210. Electric telescopic rod; 211. Limiting bracket; 212. First mold fixing plate; 213. Protection panel; 214. Second mold fixing plate; 215. Positioning bearing; 216. Center rotating rod; 217. Connecting cylinder;

[0035] 31. Vertical support platform; 32. Base; 33. Buffer pad; 34. Lifting platform; 35. Support bottom plate; 36. Material-retrieving platform; 37. Third limiting guide rail; 38. Material receiving trough; 39. Electric push rod; 310. Transfer panel; 311. Push plate. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0037] Embodiment 1

[0038] Refer to Figure 1 、 Figure 4 、 Figure 5 、 Figure 6 As shown in the figure: A stamping machine for automotive parts includes a stamping device 1. A bottom of the stamping device 1 is fixedly connected to an adjustable part fixing device 2. A bottom of the adjustable part fixing device 2 is fixedly connected to a material taking device 3. The adjustable part fixing device 2 includes a fixed frame 21. An inside of the fixed frame 21 is fixedly installed with a transfer platform 22. A side of the transfer platform 22 is rotatably connected to a first carrying platform 23. A calibration disc 24 is fixedly installed at a junction of the first carrying platform 23 and the transfer platform 22. A receiving frame 25 is movably installed on an upper surface of the first carrying platform 23. Limiting side plates 26 are movably installed on both sides of the first carrying platform 23. An extension block 27 is fixedly installed at the other end of the first carrying platform 23. A second carrying platform 28 is movably connected to the other side of the extension block 27. An electric telescopic rod 210 is provided between the second carrying platform 28 and the extension block 27. A limiting bracket 211 is movably connected between the second carrying platforms 28. A driving motor 29 is fixedly installed on the other side of the first carrying platform 23. A positioning bearing 215 is fixedly connected to a side of the transfer platform 22. A connecting cylinder 217 is fixedly installed on a side of the calibration disc 24. One end of the connecting cylinder 217 is fixedly connected to a central rotating rod 216. One end of the central rotating rod 216 is movably connected to a driving rod of the driving motor 29. The positioning bearing 215 is located at a junction of the central rotating rod 216 and the driving motor 29. First mold fixing plates 212 are fixedly installed on both the upper and lower sides of the second carrying platform 28. Protection panels 213 are movably connected to tops of the two first mold fixing plates 212. Second mold fixing plates 214 are movably installed on both sides of the second carrying platform 28.

[0039] In this embodiment, the connecting cylinder 217 in the first bearing platform 23 is connected to the driving motor 29 through the central rotating rod 216, and the connection is limited and reinforced by the positioning bearing 215 to ensure that the central rotating rod 216 and the driving rod of the driving motor 29 will not contact the transfer platform 22. Before use, the automobile parts are first placed on the first bearing platform 23 and the second bearing platform 28 according to their sizes. The first bearing platform 23 fixes the parts through the receiving frame 25, and the two sides of the receiving frame 25 are connected to the limiting side plates 26 to ensure its own structural stability, so that some larger parts can be fixed. The second bearing platform 28 fixes the parts through the first mold fixing plate 212 and the second mold fixing plate 214, and the top is covered and protected by the movable protective panel 213. One end of the protective panel 213 is rotatably connected to the second mold fixing plate 214, and the parts are located between the second mold fixing plate 214 and the protective panel 213, and the second bearing platform 28 is connected to the extension block 27 through the electric telescopic rod 210, so that the position of the second bearing platform 28 can be changed. The first bearing platform 23 is connected to the positioning bearing 215 on the transfer platform 22 through the center rotating rod 216, and the driving motor 29 is directly connected to the center rotating rod 216. When the driving motor 29 drives the center rotating rod 216 to rotate, the positioning bearing 215 can avoid friction between the center rotating rod 216 and the transfer platform 22. When the driving motor 29 is operating, the upward side of the first bearing platform 23 and the second bearing platform 28 can be changed, so that different parts can correspond to the stamping device.

[0040] Example 2

[0041] according to Figure 1 , Figure 2 , Figure 4As shown in the figure, the stamping device 1 includes a support frame 11. One end of the support frame 11 is movably installed with a first movable platform 12. A first limiting guide rail 13 is fixedly installed at the junction of the support frame 11 and the first movable platform 12. The top of the first movable platform 12 is movably installed with a second movable platform 14. A second limiting guide rail 15 is fixedly installed at the junction of the first movable platform 12 and the second movable platform 14. The second movable platform 14 is smaller than the first movable platform 12. The second limiting guide rail 15 and the first limiting guide rail 13 are arranged perpendicular to each other. The top of the second movable platform 14 is fixedly installed with an upper die 16. The bottom of the upper die 16 is movably connected with a lower die 18. A guide post 17 is movably connected between the lower die 18 and the upper die 16. Positioning end heads 19 are fixedly installed on both sides of the lower die 18. A positioning column 110 is fixedly connected to the top of the positioning end head 19. A reinforcing side frame 113 is slidably connected to the outer wall of the positioning column 110. A fixed bracket 111 is slidably connected to the upper surface of the reinforcing side frame 113. The top of the fixed bracket 111 is movably connected to the outer wall of the support frame 11. A connecting plate 112 is fixedly installed at the junction of the fixed bracket 111 and the support frame 11.

[0042] In this embodiment, the support frame 11 is installed at the top of the entire device. The first movable platform 12 installed thereon can move along the second limiting guide rail 15 to directly determine the position of the upper die 16, and the components on the first bearing platform 23 and the second bearing platform 28 can be processed separately. The second movable platform 14 can move along the second limiting guide rail 15. The movement of the second movable platform 14 can synchronously change the position of the positioning end head 19, which can be used for auxiliary positioning to further determine the specific stamping position. The combined use can achieve the effect of accurately positioning the stamping position. When the upper die 16 for stamping pushes the lower die 18 to move along the direction of the guide post 17, the movement route of the positioning end head 19 is determined by the positioning column 110. And when the positioning end head 19 moves in cooperation with the second movable platform 14, it can push the reinforcing side frame 113 to move. The reinforcing side frame 113 is restricted by the fixed bracket 111 to ensure that the positioning end head 19 does not get out of position. The fixed bracket 111 is connected to the support frame 11 through the connecting plate 112.

[0043] According to Figure 1 、 Figure 7As shown in the figure, the material taking device 3 includes a vertical support platform 31. One side of the vertical support platform 31 is fixedly connected to a base 32. A buffer pad 33 is fixedly installed on the top of the base 32. The upper surface of the buffer pad 33 is fixedly installed with a lifting platform 34. The top of the lifting platform 34 is fixedly connected to a support bottom plate 35. A material taking platform 36 is slidably connected to the upper surface of the support bottom plate 35. There is a third limit guide rail 37 at the junction of the support bottom plate 35 and the material taking platform 36. A material receiving groove 38 is formed on the upper surface of the material taking platform 36. An electric push rod 39 is fixedly installed at one end of the material taking platform 36. The other end of the electric push rod 39 is fixedly connected to a transfer panel 310. One side of the transfer panel 310 is fixedly connected to a pushing plate 311. The bottom of the pushing plate 311 is slidably connected to the upper surface of the material taking platform 36.

[0044] In this embodiment, the material taking device 3 is mainly used to remove the processed parts. It is installed on the base 32 through the buffer pad 33, while the vertical support platform 31 is used to support the fixed frame 21 and the support frame 11 to ensure the structural stability of the whole device. When the driving motor 29 rotates the parts to the bottom, the lifting platform 34 pushes the support bottom plate 35 upward to approach the first bearing platform 23 and the second bearing platform 28, and the material taking platform 36 will also move along the third limit guide rail 37, so as to move below the first bearing platform 23 or the second bearing platform 28. At this time, the pushing plate 311 on the material taking platform 36 will contact the bottommost part. Driven by the electric push rod 39, the pushing plate 311 is used to push the part out of the first bearing platform 23 or the second bearing platform 28. The movement route of the pushing plate 311 is restricted by the material receiving groove 38, and the part can be directly pushed onto the support bottom plate 35 for installing new parts.

[0045] The use method and working principle of the device are as follows: the raw materials of automobile parts to be stamped are placed on the first bearing platform 23 and the second bearing platform 28, and the parts on the second bearing platform 28 are fixed by the first mold fixing plate 212 and the second mold fixing plate 214. The parts on the first bearing platform 23 are fixed by the receiving frame 25, wherein the volume of the second bearing platform 28 is smaller than that of the first bearing platform 23, and is mainly used for processing some small parts, while the volume of the first bearing platform 23 is larger, and is used for processing some large parts, and then the first movable platform 12 and the second movable platform 14 are controlled to move according to the types of parts, and the first movable platform 12 can move along the first limiting guide rail 13 to determine whether the parts on the first bearing platform 23 or the second bearing platform 28 are to be processed, and after the bearing platform is determined, the second movable platform 14 is controlled to move along the second limiting guide rail 13. The upper die 16 moves along the direction of the guide column 17 by pushing the lower die 18 to move, so that the lower die 18 can punch the parts on the first load-bearing platform 23 or the second load-bearing platform 28. After the stamping is completed, the driving motor 29 drives the central rotating rod 216 to rotate, changes the upward side of the first load-bearing platform 23 and the second load-bearing platform 28, and moves the new parts to the bottom of the stamping device 1 for stamping. The lifting platform 34 moves to the bottom of the part that is rotated to the bottom, and the material picking platform 36 moves along the third limiting guide rail 37 to the bottom of the part that needs to be removed. At this time, the push plate 311 will contact the part, and under the drive of the electric push rod 39, the push plate 311 is used to push the part from the first load-bearing platform 23 or the second load-bearing platform 28 for installation of new parts.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A stamping machine for automotive parts, characterized in that: It includes a stamping device (1), and an adjustable part fixing device (2) is fixedly connected to the bottom of the stamping device (1), and a material taking device (3) is fixedly connected to the bottom of the adjustable part fixing device (2); The adjustable part fixing device (2) includes a fixed frame (21), a transfer platform (22) is fixedly installed inside the fixed frame (21), a first bearing platform (23) is rotatably connected to one side of the transfer platform (22), a calibration disc (24) is fixedly installed at the junction of the first bearing platform (23) and the transfer platform (22), a receiving frame (25) is movably installed on the upper surface of the first bearing platform (23), limiting side plates (26) are movably installed on both sides of the first bearing platform (23), an extension block (27) is fixedly installed at the other end of the first bearing platform (23), a second bearing platform (28) is movably connected to the other side of the extension block (27), an electric telescopic rod (210) is arranged between the second bearing platform (28) and the extension block (27), a limiting bracket (211) is movably connected between the second bearing platforms (28), a driving motor (29) is fixedly installed on the other side of the first bearing platform (23), a positioning bearing (215) is fixedly connected to one side of the transfer platform (22), a connecting cylinder (217) is fixedly installed on one side of the calibration disc (24), one end of the connecting cylinder (217) is fixedly connected to a central rotating rod (216), and one end of the central rotating rod (216) is movably connected to the driving rod of the driving motor (29), and the positioning bearing (215) is located at the junction of the central rotating rod (216) and the driving motor (29); first mold fixing plates (212) are fixedly installed on both the upper and lower sides of the second bearing platform (28), protection panels (213) are movably connected to the tops of the two first mold fixing plates (212), and second mold fixing plates (214) are movably installed on both sides of the second bearing platform (28); The material taking device (3) includes a vertical support platform (31), a base (32) is fixedly connected to one side of the vertical support platform (31), a buffer pad (33) is fixedly installed on the top of the base (32), a lifting platform (34) is fixedly installed on the upper surface of the buffer pad (33); A support bottom plate (35) is fixedly connected to the top of the lifting platform (34), a material taking platform (36) is slidably connected to the upper surface of the support bottom plate (35), and a third limiting guide rail (37) is provided at the junction of the support bottom plate (35) and the material taking platform (36); A material receiving groove (38) is formed on the upper surface of the material taking platform (36), an electric push rod (39) is fixedly installed at one end of the material taking platform (36), the other end of the electric push rod (39) is fixedly connected to a transfer panel (310), a pushing plate (311) is fixedly connected to one side of the transfer panel (310), and the bottom of the pushing plate (311) is slidably connected to the upper surface of the material taking platform (36).

2. The punching machine for automotive parts according to claim 1, characterized in that: The punching device (1) comprises a support frame (11), a first movable platform (12) being movably mounted on one end of the support frame (11), and a first position-limiting guide rail (13) being fixedly mounted at the junction of the support frame (11) and the first movable platform (12).

3. The stamping machine for automotive parts according to claim 2, characterized in that: A second movable platform (14) is movably mounted on the top of the first movable platform (12); a second limit guide rail (15) is fixedly mounted at the junction of the first movable platform (12) and the second movable platform (14); the second movable platform (14) is smaller than the first movable platform (12); the second limit guide rail (15) and the first limit guide rail (13) are arranged to be perpendicular to each other; and an upper mold (16) is fixedly mounted on the top of the second movable platform (14).

4. The stamping machine for automotive parts according to claim 3, characterized in that: The bottom of the upper die (16) is movably connected to the lower die (18), a guide column (17) is movably connected between the lower die (18) and the upper die (16), positioning ends (19) are fixedly mounted on both sides of the lower die (18), and a positioning column (110) is fixedly connected to the top of the positioning end (19).

5. The stamping machine for automotive parts according to claim 4, characterized in that: A reinforcing side frame (113) is slidably connected to the outer wall of the positioning column (110), a fixing bracket (111) is slidably connected to the upper surface of the reinforcing side frame (113), the top of the fixing bracket (111) is movably connected to the outer wall of the support frame (11), and a connecting plate (112) is fixedly installed at the intersection of the fixing bracket (111) and the support frame (11).

6. A method for using a stamping machine for automotive parts, characterized in that: The punching machine for automobile parts described in claim 5 is used, and the method of use comprises the following steps: S1, placing the raw materials of automobile parts to be punched on the first bearing platform (23) and the second bearing platform (28), fixing the parts on the second bearing platform (28) by using the first mold fixing plate (212) and the second mold fixing plate (214), and fixing the parts on the first bearing platform (23) by the receiving frame (25), wherein the volume of the second bearing platform (28) is smaller than that of the first bearing platform (23); S2, then controlling the first movable platform (12) and the second movable platform (14) to move according to the type of parts, the first movable platform (12) moves along the first limit guide rail (13) to determine whether to process the parts on the first bearing platform (23) or the second bearing platform (28), and after determining the bearing platform, controlling the second movable platform (14) to move along the second limit guide rail (15) to cooperate with the positioning ends (19) at both ends of the upper and lower molds (18) to determine the specific stamping position; S3. The upper die (16) moves the lower die (18) along the direction of the guide pillar (17), so that the lower die (18) punches the components on the first bearing platform (23) or the second bearing platform (28). After the punching is completed, the driving motor (29) drives the central rotating rod (216) to rotate, changing the upper surfaces of the first bearing platform (23) and the second bearing platform (28), and moving the new components below the punching device (1) for punching. S4. The lifting platform (34) moves below the component that has been rotated to the lowest position. The material taking platform (36) moves along the third limit guide rail (37) and moves below the component to be removed. At this time, the pushing plate (311) will contact the component, and driven by the electric push rod (39), the pushing plate (311) is used to push the component out of the first bearing platform (23) or the second bearing platform (28) for installing new components.

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