A stamping device for producing a bottom plate of an oil cooler of a new energy vehicle

Abstract

The application relates to the technical field of stamping devices, and discloses a stamping device for new energy automobile oil cooler bottom plate production, which comprises a bottom plate, a workbench fixedly installed on the bottom plate, a template installed on the workbench, a lower die seat fixedly installed on the template, a mounting frame installed on the bottom plate, wherein the mounting frame is in an inverted U-shaped structure, the mounting frame is located at the outer side of the workbench, a circular hole is formed in the upper surface of the mounting frame, a hydraulic telescopic rod is correspondingly installed at the circular hole, the telescopic end of the hydraulic telescopic rod points to the lower die seat, a moving frame is installed on the telescopic end of the hydraulic telescopic rod, an upper die seat is installed on the moving frame, and the upper die seat is located directly above the lower die seat. The upper die seat is driven to move downwards through the elongation of the hydraulic telescopic rod, the new energy automobile oil cooler bottom plate is formed through the downward extrusion of the upper die seat and the cooperation with the lower die seat, the upper die seat is separated from the lower die seat through the contraction of the hydraulic telescopic rod, the upper die seat is driven to move downwards, and the separated upper die seat is convenient for taking out the formed new energy automobile oil cooler bottom plate.

Description

Technical Field

[0001] The present invention relates to the technical field of stamping devices, and in particular to a stamping device for producing a base plate of an oil cooler for a new energy vehicle. Background Art

[0002] Stamping is a forming process that uses a press and die to apply external forces to sheet metal, strip, tube, or profile, causing plastic deformation or separation, thereby achieving the desired shape and size. The blanks used for stamping are primarily hot-rolled and cold-rolled steel sheets and strips. Applications of stamping include automobile bodies, chassis, fuel tanks, radiators, boiler drums, container housings, and the silicon steel sheets used in the iron cores of motors and electrical appliances.

[0003] Application number CN202011206659.4 discloses a stamping device, including a press, a stamping movable arm and a die. The stamping movable arm includes a stamping cylinder, a pressure sleeve and a stamping punch. A compression cavity is formed inside the stamping cylinder, and a fixed amount of gas is sealed in the compression cavity. The stamping cylinder has a first connecting end and a first stamping end. The first connecting end is connected to the press by transmission, and the press drives the first connecting end to move in the feed direction or the retract direction. The pressure sleeve is movably provided at the first stamping end of the stamping cylinder, and the pressure sleeve seals the first stamping end. The stamping punch has a second connecting end and a second stamping end. The second connecting end is provided in the compression cavity and fixedly provided in the middle of the extension direction of the stamping cylinder. The second stamping end is passed through the pressure sleeve, and the stamping cylinder drives the second stamping end to move in the feed direction or the retract direction. The second punching end pushes the part to be punched into the die, ensuring the stable progress of the punching process. However, there is a disadvantage that the feed direction and the return direction are controlled by the punching movable arm, the structure of the punching movable arm is complex, and the manufacturing cost is high. Summary of the Invention

[0004] The purpose of the present invention is to provide a stamping device for producing a base plate of an oil cooler for a new energy vehicle, so as to solve the problems raised in the above-mentioned background technology.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a stamping device for producing a base plate of an oil cooler for a new energy vehicle, comprising a base plate, a workbench fixedly mounted on the base plate, a template mounted on the workbench, a lower die base fixedly mounted on the template, a mounting frame mounted on the base plate, the mounting frame being an inverted U-shaped structure, the mounting frame being located outside the workbench, a circular hole being formed on the upper surface of the mounting frame, a hydraulic telescopic rod being mounted corresponding to the circular hole, the telescopic end of the hydraulic telescopic rod pointing to the lower die base, a movable frame being mounted on the movable frame, an upper die base being mounted on the upper die base, the upper die base being located directly above the lower die base;

[0007] The metal sheet to be stamped is placed on the surface of the lower die base. The upper die base is driven downward by the extension of the hydraulic telescopic rod. The metal sheet is deformed by the downward extrusion of the upper die base and the cooperation with the lower die base to form the bottom plate of the new energy vehicle oil cooler.

[0008] After the stamping work is completed, the hydraulic telescopic rod is retracted to realize the downward movement of the upper die base, so that the upper die base and the lower die base are separated, which facilitates the removal of the formed new energy vehicle oil cooler base plate;

[0009] The upper die base is mounted on the mobile frame by bolts, and the lower die base and template are mounted on the workbench by different bolts. When processing oil cooler bases of new energy vehicles of different sizes, the upper die base, lower die base and template of different sizes are replaced and then stamped to achieve the production of oil cooler bases of new energy vehicles of different sizes or shapes.

[0010] The stamping device also includes a hydraulic system, which includes a hydraulic pump, a hydraulic control valve, a hydraulic telescopic rod, connecting pipes and an oil tank. The hydraulic telescopic rod is an actuator of the hydraulic system.

[0011] When extending, the hydraulic pump draws hydraulic medium from the oil tank, and the hydraulic medium enters the upper chamber of the hydraulic cylinder through the pipeline, the throttle valve and the reversing valve, pushing the piston to drive the telescopic rod to move downward, and the hydraulic medium discharged from the lower chamber of the hydraulic cylinder flows back to the oil tank through the reversing valve; when shortening, the opposite is true.

[0012] Furthermore, a slot is provided on the lower die base, a spherical hole is provided on the template, and the port of the spherical hole is connected to the slot;

[0013] The upper die seat is provided with a sphere distributed corresponding to the spherical groove, the spherical groove cooperates with the sphere, and the end surface of the sphere is opened with a deep hole corresponding to the top column;

[0014] By cooperating with the spherical groove and the sphere, a groove is formed on the bottom plate of the new energy vehicle oil cooler after stamping, so that the outlet end of the groove is the lowest end. When the cooling oil is replaced, it is convenient for the cooling oil to be gathered and discharged into the groove.

[0015] Furthermore, the upper surface of the workbench is provided with two relatively distributed limiting grooves, the bottom surface of the template is provided with two protrusions, the template is installed on the workbench while the protrusions are installed in conjunction with the limiting grooves, the protrusions are provided with step holes, and the bolts passing through the step holes are installed in the screw holes on the bottom surface of the limiting grooves;

[0016] The lower die base is provided with two relatively distributed connecting ears, and the bolts installed on the connecting ears pass through the step holes;

[0017] The positioning and installation of the template are achieved by cooperating with the protrusion and the limit groove. At the same time, the template and the lower die base are split structures. When the size of the groove of the new energy vehicle oil cooler base to be processed remains unchanged, the new energy vehicle oil cooler bases of different sizes and shapes can be processed by replacing the lower die base. Compared with the integral mold, the split mold can reduce the number of features on a single mold through combined use, which facilitates the processing of a single mold.

[0018] Furthermore, slots are provided on two opposite sides of the mounting frame, and guide rods are installed on two outer sides of the movable frame, and the guide rods move along the slots;

[0019] The slots and guide rods are used to limit the position, thus preventing the movable frame from shaking during downward movement and ensuring the accuracy of the formed sheet.

[0020] Compared with limiting by the column, limiting by the side makes it easier to observe the movement trajectory of the guide rod and the friction between the guide rod and the inner wall of the slot.

[0021] Furthermore, a bayonet is provided at the bottom end of the movable frame, a roller is installed in the bayonet, the workbench has a cavity, and a stand and a through slot are provided on opposite sides of the workbench, the through slot is connected to the cavity, and a propulsion assembly is installed on the two stands, the propulsion assembly is connected to the top column, and the top end of the top column is cooperated and installed in the guide hole on the bottom surface of the spherical groove of the template, and the roller pushes the propulsion assembly to retract, so that the top column can penetrate into the spherical groove.

[0022] Furthermore, the propulsion assembly includes a connecting rod, a push rod and an elastic plate. One end of the push rod is installed on the protrusion through a pin shaft. A hinge seat is provided on the inner side of the push rod. A relatively distributed first notch is opened on the top column. The correspondingly distributed hinge seats and the first notch are connected by a connecting rod. The two push rods are connected by an elastic plate. The end of the elastic plate is installed on the hinge seat. The connecting rod and the elastic plate both pass through the through slot.

[0023] Furthermore, the roller moves along the outer side surface of the push rod.

[0024] Furthermore, the movable frame and the upper die seat move downward under the push of the hydraulic telescopic rod. During the movement, the roller installed at the end of the movable frame contacts the outer side of the push rod, pushing the push rod to rotate toward one side of the workbench;

[0025] Since the push rod and the top column are connected by a connecting rod, and the angle formed between the connecting rod and the push rod is an acute angle, when the push rod contracts, the contracted push rod pushes the end of the connecting rod connected to it to rotate downward, and the other end of the connecting rod rotates upward, thereby pushing the top column to move upward along the guide hole;

[0026] Until the lower die seat and the upper die seat are fully matched, the ejector pin pierces the plate between the lower die seat and the upper die seat and penetrates into the slot of the sphere, thereby piercing the bottom plate of the formed new energy vehicle oil cooler;

[0027] To achieve stamping and perforation processing, when the upper die seat moves upward, the two push rods are reset under the action of the elastic plate, thereby realizing the reset of the ejector column, which is convenient for the next processing.

[0028] Furthermore, the bottom surface of the template is provided with a hollow boss, and the bottom end of the boss is fitted with an end cover;

[0029] A second notch is formed on the end cover, and the top end of the top column extends upward through the second notch;

[0030] A rubber sleeve with one end fixed to the top column is installed in the notch;

[0031] The spherical hole is installed on the lower side of the slot hole, and the spherical hole extends into the boss, so that the top end of the top column is matched in the circular hole at the bottom of the spherical hole.

[0032] The present invention has the following beneficial effects:

[0033] (1) The present invention places the metal sheet to be stamped on the surface of the lower die base, and drives the upper die base to move downward by extending the hydraulic telescopic rod. The upper die base is squeezed downward and cooperates with the lower die base to deform the metal sheet, thereby forming the bottom plate of the new energy vehicle oil cooler. After the stamping work is completed, the hydraulic telescopic rod is contracted to move the upper die base downward, and the upper die base and the lower die base are separated, so that the bottom plate of the new energy vehicle oil cooler can be easily removed after forming.

[0034] (2) The present invention realizes the positioning and installation of the template by cooperating with the protrusion and the limiting groove. At the same time, the template and the lower mold base are split structures. When the size of the groove of the new energy vehicle oil cooler base plate to be processed remains unchanged, the new energy vehicle oil cooler base plates of different sizes and shapes can be processed by replacing the lower mold base. Compared with the integral mold, the split mold can reduce the number of features on a single mold by combining them, which facilitates the processing of a single mold.

[0035] (3) In the present invention, the push rod and the ejector column are connected by a connecting rod, and the angle formed between the connecting rod and the push rod is an acute angle. When the push rod contracts, the contracted push rod pushes the end of the connecting rod connected to it to rotate downward, and the other end of the connecting rod rotates upward, thereby pushing the ejector column to move upward along the guide hole until the lower die base and the upper die base are fully matched. The ejector column pierces the plate between the lower die base and the upper die base and penetrates into the slot hole of the sphere, thereby piercing the bottom plate of the formed new energy vehicle oil cooler and realizing stamping and perforation processing. When the upper die base moves upward, the two push rods are reset under the action of the elastic plate, thereby realizing the reset of the ejector column, which is convenient for the next processing.

[0036] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0038] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0039] Figure 2 It is a schematic diagram of the cutaway structure of the present invention;

[0040] Figure 3 This is a schematic diagram of the connection structure between the mounting frame and the upper die base of the present invention;

[0041] Figure 4 This is a schematic diagram of the connection structure between the base plate and the workbench of the present invention;

[0042] Figure 5 This is a schematic diagram of the workbench structure of the present invention;

[0043] Figure 6 This is a schematic diagram of the cross-section structure of the workbench of the present invention;

[0044] Figure 7 This is a schematic diagram of the propulsion assembly structure of the present invention;

[0045] Figure 8 It is a schematic diagram of the local structure of the workbench of the present invention;

[0046] Figure 9 Schematic diagram of the hollow template of the present invention;

[0047] Figure 10 For the present invention Figure 9 Schematic cross-section diagram;

[0048] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0049] In the figure: 1. Base plate; 2. Workbench; 201. Cavity; 202. Through slot; 203. Stand; 204. Limiting slot; 3. Template; 301. Step hole; 302. Protrusion; 303. Boss; 304. End cover; 305. Second notch; 306. One-way water inlet; 307. One-way water outlet; 4. Lower die base; 401. Slot hole; 402. Spherical hole; 5. Mounting frame; 501. Round hole; 502. Slot hole; 6. Hydraulic telescopic rod; 7. Moving frame; 701. Bayonet; 8. Upper die base; 9. Ejector column; 901. First notch; 10. Connecting rod; 11. Push rod; 1101. Articulated seat; 12. Elastic plate; 13. Guide rod; 14. Roller; 15. Rubber sleeve. DETAILED DESCRIPTION

[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0051] Example 1

[0052] See also Figures 1-8 As shown, the present invention is a stamping device for producing base plates of oil coolers for new energy vehicles, comprising a base plate 1, a workbench 2 fixedly mounted on the base plate 1, a template 3 mounted on the workbench 2, a lower die base 4 fixedly mounted on the template 3, a mounting frame 5 mounted on the base plate 1, the mounting frame 5 is an inverted U-shaped structure, the mounting frame 5 is located on the outside of the workbench 2, a circular hole 501 is opened on the upper surface of the mounting frame 5, a hydraulic telescopic rod 6 is mounted corresponding to the circular hole 501, the telescopic end of the hydraulic telescopic rod 6 points to the lower die base 4, a movable frame 7 is mounted on the telescopic end of the hydraulic telescopic rod 6, an upper die base 8 is mounted on the movable frame 7, and the upper die base 8 is located directly above the lower die base 4.

[0053] The metal sheet to be stamped is placed on the surface of the lower die base 4, and the upper die base 8 is driven downward by the extension of the hydraulic telescopic rod 6. The upper die base 8 squeezes downward and cooperates with the lower die base 4 to deform the metal sheet, thereby forming the bottom plate of the new energy vehicle oil cooler;

[0054] After the stamping work is completed, the hydraulic telescopic rod 6 is retracted to realize the downward movement of the upper die base 8, so that the upper die base 8 and the lower die base 4 are separated, so as to facilitate the removal of the formed new energy vehicle oil cooler base plate;

[0055] The upper die holder 8 is bolted on the moving frame 7, and the lower die holder 4 and the die plate 3 are bolted on the workbench 2 by different bolts, when machining new energy automobile oil cooler bottom plates of different sizes, different sizes of the upper die holder 8, the lower die holder 4 and the die plate 3 are replaced, and then stamping is carried out, so that new energy automobile oil cooler bottom plates of different sizes or shapes are realized;

[0056] The stamping device further comprises a hydraulic system, the hydraulic system comprising a hydraulic pump, a hydraulic control valve, a hydraulic telescopic rod 6, a connecting pipeline and an oil tank, and the hydraulic telescopic rod 6 is an execution element of the hydraulic system;

[0057] When the telescopic rod is extended, the hydraulic pump sucks hydraulic medium from the oil tank, the hydraulic medium enters the upper cavity of the hydraulic cylinder through the pipeline, the throttle valve and the reversing valve, pushes the piston to drive the telescopic rod to move downward, and the hydraulic medium discharged from the lower cavity of the hydraulic cylinder flows back to the oil tank through the reversing valve; when the telescopic rod is shortened, the above-mentioned process is reversed.

[0058] The lower die holder 4 is provided with a slot hole, and the die plate 3 is provided with a spherical hole, the port of the spherical hole being communicated with the slot hole;

[0059] The upper die holder 8 is provided with a spherical body corresponding to the spherical slot, the spherical slot is matched with the spherical body, and the end face of the spherical body is provided with a deep hole corresponding to the top column 9;

[0060] Through the matching of the spherical slot and the spherical body, a groove is formed on the new energy automobile oil cooler bottom plate after stamping, so that the outlet end of the groove is the lowest end, and when the cooling oil is replaced, the cooling oil can be easily gathered and discharged into the groove.

[0061] The upper surface of the workbench 2 is provided with two oppositely distributed limiting grooves 204, the bottom surface of the die plate 3 is provided with two protrusions 302, the die plate 3 is installed on the workbench 2, and the protrusions 302 are matched and installed with the limiting grooves 204, a stepped hole 301 is formed in the protrusions 302, and a bolt passing through the stepped hole 301 is installed in a threaded hole in the bottom surface of the limiting groove 204;

[0062] The lower die holder 4 is provided with two oppositely distributed connecting ears, and the bolts installed on the connecting ears pass through the stepped hole 301;

[0063] Through the matching of the protrusions 302 and the limiting grooves 204, the positioning and installation of the die plate 3 are realized, and the die plate 3 and the lower die holder 4 are in a split structure, so that when the size of the groove of the new energy automobile oil cooler bottom plate to be machined does not change, the lower die holder 4 is replaced to realize the machining of new energy automobile oil cooler bottom plates of different sizes and shapes, and compared with the integral mold, the number of features on a single mold is reduced by using the split mold, so that the machining of the single mold is facilitated.

[0064] Slots 502 are provided on both opposite sides of the mounting frame 5, and guide rods 13 are installed on both outer sides of the movable frame 7, and the guide rods 13 move along the slots 502;

[0065] The slot 502 cooperates with the guide rod 13 to achieve position limiting, thereby preventing the movable frame 7 from shaking during the downward movement and ensuring the accuracy of the formed plate;

[0066] Compared with limiting by a column, limiting by a side surface makes it easier to observe the movement trajectory of the guide rod 13 and the friction between the guide rod 13 and the inner wall of the slot 502 .

[0067] A bayonet 701 is provided at the bottom end of the movable frame 7, and a roller 14 is installed in the bayonet 701. The workbench 2 has a cavity 201. A stand 203 and a through groove 202 are provided on opposite sides of the workbench 2. The through groove 202 is connected to the cavity 201. A propulsion assembly is installed on the two stands 203, and the propulsion assembly is connected to the top column 9. The top end of the top column 9 is installed in the guide hole on the bottom surface of the spherical groove of the template 3. The roller 14 pushes the propulsion assembly to retract, so that the top column 9 can penetrate into the spherical groove.

[0068] The propulsion assembly includes a connecting rod 10, a push rod 11 and an elastic plate 12. One end of the push rod 11 is installed on the protrusion 302 through a pin shaft. A hinge seat 1101 is provided on the inner side of the push rod 11. A relatively distributed first notch 901 is opened on the top column 9. The correspondingly distributed hinge seats 1101 and the first notch 901 are connected through the connecting rod 10. The two push rods 11 are connected through the elastic plate 12. The end of the elastic plate 12 is installed on the hinge seat 1101. The connecting rod 10 and the elastic plate 12 both pass through the through slot 202.

[0069] The roller 14 moves along the outer side surface of the push rod 11.

[0070] The movable frame 7 and the upper die holder 8 move downward under the push of the hydraulic telescopic rod 6. During the movement, the roller 14 installed at the end of the movable frame 7 contacts the outer side of the push rod 11, pushing the push rod 11 to rotate toward one side of the workbench 2.

[0071] Since the push rod 11 is connected to the top column 9 by the connecting rod 10, and the angle formed between the connecting rod 10 and the push rod 11 is an acute angle, when the push rod 11 contracts, the contracted push rod 11 pushes the end of the connecting rod 10 connected to it to rotate downward, and the other end of the connecting rod 10 rotates upward, thereby pushing the top column 9 to move upward along the guide hole;

[0072] Until the lower die base 4 and the upper die base 8 are fully matched, the top column 9 pierces the plate between the lower die base 4 and the upper die base 8 and penetrates into the slot of the sphere, thereby piercing the bottom plate of the formed new energy vehicle oil cooler;

[0073] To achieve stamping and perforation processing, when the upper die base 8 moves upward, the two push rods 11 are reset under the action of the elastic plate 12, thereby resetting the ejector column 9 to facilitate the next processing.

[0074] Example 2

[0075] like Figure 9-10 As shown, the difference from the first embodiment is that the bottom surface of the template 3 is provided with a hollow boss 303, the bottom end of the boss 303 is fitted with an end cap 304, and the outer side of the boss 303 is provided with a one-way water inlet 306 and a one-way water outlet 307;

[0076] A second notch 305 is formed on the end cover 304, and the top end of the top column 9 extends upward through the second notch 305;

[0077] A rubber sleeve 15 is installed in the second notch 305, with the other end fixed to the top column 9;

[0078] The lower die base 4 is provided with a slotted hole 401, and a spherical hole 402 is installed outside the slotted hole 401. The spherical hole 402 extends into the boss 303, so that the top of the top column 9 fits into the circular hole at the bottom of the spherical hole 402.

[0079] The one-way water inlet 306 and the one-way water outlet 307 are both connected to the external pipeline. The one-way water inlet 306 is connected to the water inlet pipe, and the one-way water outlet 307 is connected to the drainage pipe;

[0080] The top column 9 moves up and down during the extrusion process;

[0081] When moving upward, the top end of the top post 9 penetrates into the spherical hole 402 and approaches the end cover 304, thereby compressing the rubber sleeve 15 and causing the water in the cavity formed by the extrusion boss 303, the end cover 304 and the spherical hole 402 to be discharged through the one-way water outlet 307;

[0082] When moving downward, the top end of the top column 9 slides out of the spherical hole 402 and away from the end cover 304, thereby stretching the rubber sleeve 15 and causing the water in the cavity formed by the extrusion boss 303, the end cover 304 and the spherical hole 402 to be sucked in through the one-way water inlet 306;

[0083] This enables water flow inside the cavity, and the flowing water takes away the heat generated by the spherical hole 402 and the top column 9 during operation, thereby alleviating the problem that the spherical hole 402 and the top column 9 are prone to deformation in a high-temperature environment.

[0084] The preferred embodiments of the application disclosed above are only to facilitate the elucidation of the application. The preferred embodiments do not describe all the details of the application and limit the application to the specific embodiments described. Obviously, many modifications and variations can be made in light of the teachings above. The description is chosen and described in order to best explain the principles of the application and its practical application to thereby enable others skilled in the art to best utilize the application and get the best results from the application. The application is only limited by the claims and their full scope and equivalents.

Claims

1. A stamping device for producing a base plate of an oil cooler for a new energy vehicle, comprising a base plate (1), characterized in that: A workbench (2) is fixedly mounted on the base plate (1), a template (3) is mounted on the workbench (2), and a lower mold base (4) is fixedly mounted on the template (3); A mounting frame (5) is mounted on the bottom plate (1), the mounting frame (5) is an inverted U-shaped structure, and the mounting frame (5) is located outside the workbench (2); A circular hole (501) is provided on the upper surface of the mounting frame (5), and a hydraulic telescopic rod (6) is installed corresponding to the circular hole (501), and the telescopic end of the hydraulic telescopic rod (6) points to the lower die base (4); A movable frame (7) is mounted on the telescopic end of the hydraulic telescopic rod (6), an upper die base (8) is mounted on the movable frame (7), and the upper die base (8) is located directly above the lower die base (4); The lower die seat (4) is provided with a slotted hole, the template (3) is provided with a spherical hole, and the end of the spherical hole is connected to the slotted hole; The bottom end of the movable frame (7) is provided with a bayonet (701), a roller (14) is installed in the bayonet (701), the workbench (2) has a cavity (201), and opposite sides of the workbench (2) are provided with a stand (203) and a through slot (202), the through slot (202) is connected with the cavity (201), and a propulsion assembly is installed on the two stands (203), the propulsion assembly is connected to the top column (9), and the top end of the top column (9) is fitted in the guide hole on the bottom surface of the spherical groove of the template (3), and the roller (14) pushes the propulsion assembly to retract, so that the top column (9) is deeply inserted into the spherical groove; The propulsion assembly includes a connecting rod (10), a push rod (11) and an elastic plate (12), one end of the push rod (11) is mounted on the protrusion (302) via a pin, an articulated seat (1101) is provided on the inner side of the push rod (11), and relatively distributed notches (901) are provided on the top column (9), the correspondingly distributed articulated seats (1101) and the first notch (901) are connected via a connecting rod (10), the two push rods (11) are connected via an elastic plate (12), the end of the elastic plate (12) is mounted on the articulated seat (1101), and the connecting rod (10) and the elastic plate (12) both pass through the through slot (202).

2. A punching device for producing a base plate of an oil cooler for a new energy vehicle according to claim 1, characterized in that: The upper surface of the workbench (2) is provided with two relatively distributed limiting grooves (204); The bottom surface of the template (3) is provided with two protrusions (302), and the template (3) is mounted on the workbench (2) and the protrusions (302) are mounted in cooperation with the limiting grooves (204); The protrusion (302) is provided with a stepped hole (301), and a bolt passing through the stepped hole (301) is installed in a screw hole on the bottom surface of the limiting groove (204).

3. The punching device for producing the oil cooler bottom plate of a new energy vehicle according to claim 1 is characterized in that: Slots (502) are provided on two opposite sides of the mounting frame (5); Guide rods (13) are installed on both outer sides of the movable frame (7), and the guide rods (13) move along the slots (502).

4. The punching device for producing the oil cooler bottom plate of a new energy vehicle according to claim 1, characterized in that: The roller (14) moves along the outer side surface of the push rod (11).

5. The punching device for producing the oil cooler bottom plate of a new energy vehicle according to claim 1 is characterized in that: The upper die seat (8) is provided with spheres distributed corresponding to the spherical grooves, and the spherical grooves match the spheres; The end surface of the sphere is provided with a deep hole corresponding to the top column (9).

6. The punching device for producing the oil cooler bottom plate of a new energy vehicle according to claim 1, characterized in that: The lower die base (4) is provided with two relatively distributed connecting ears, and the bolts installed on the connecting ears pass through the stepped holes (301).

7. The punching device for producing the oil cooler bottom plate of a new energy vehicle according to claim 1, characterized in that: The bottom surface of the template (3) is provided with a hollow boss (303), the bottom end of the boss (303) is fitted with an end cover (304), and the outer side of the boss (303) is provided with a one-way water inlet (306) and a one-way water outlet (307); A second notch (305) is provided on the end cover (304), and the top end of the top column (9) extends upward through the second notch (305); A rubber sleeve (15) having one end fixed to the top column (9) is installed in the notch (305); The spherical hole (402) is installed on the lower side of the slot hole (401), and the spherical hole (402) extends into the boss (303), so that the top end of the top column (9) fits into the circular hole at the bottom of the spherical hole (402).

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