Automobile side wall stamping die with adjustable stamping head

By using spring fixation and hydraulic cylinder drive in the side-circuit stamping mold, the rapid adjustment of the stamping head position and automatic waste export are achieved, which solves the problem that the existing mold cannot adjust the stamping head position and improves the applicability and working efficiency of the mold.

CN223277038UActive Publication Date: 2025-08-29QINGDAO HAOZHOU FLEXIBLE PROD MFG CO LTD
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Patent Information

Application Number
CN202422607498.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-08-29
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

Existing automotive parts stamping molds are not convenient to adjust the position of stamping heads as needed, which reduces the scope of application of the mold.

Method used

The elastic force of the spring is used to reset the positioning plate, engage the positioning groove through the slit to fix the stamping head body, and use the hydraulic cylinder to drive the stamping head to press down, adjust the position with the stamping hole, and lead the waste material to be exported in combination with the inclined surface.

Benefits of technology

It realizes rapid adjustment of stamping head position and automatic export of waste materials, improving the applicability and working efficiency of the mold.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223277038U_ABST
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Abstract

The utility model discloses an automobile side wall stamping die with an adjustable stamping head, which belongs to the technical field of stamping dies and comprises a base, a top plate mounted above the base and guide columns symmetrically and fixedly connected between the base and the top plate. A hydraulic cylinder is installed on the upper surface of the top plate, the movable end of the hydraulic cylinder penetrates through the top plate, a connecting base is installed at the movable end of the hydraulic cylinder, the connecting base is in sliding connection with the guide columns, a connecting frame of an inverted-U-shaped structure is fixedly connected to the lower surface of the connecting base, and an assembly hole is formed in the bottom of the connecting frame; the positioning plate is reset through the elastic force of the spring, the stamping head body is fixed through clamping of the clamping groove and the positioning groove, then the stamping head body is driven by the hydraulic cylinder to press downwards to be matched with a stamping hole to punch a workpiece, and the position of the stamping head body can be rapidly adjusted according to the punching position of the workpiece.
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Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, and more particularly to an automobile side panel stamping die with an adjustable stamping head. Background Art

[0002] A stamping die is a specialized piece of equipment used in cold stamping to process materials (metal or non-metal) into parts (or semi-finished products). Stamping is a process that uses a die mounted on a press at room temperature to apply pressure to the material, causing it to separate or plastically deform, thereby producing the desired part.

[0003] The existing patent is a stamping die for automobile parts, patent authorization number CN219052640U includes a substrate,

[0004] The bottom of the base plate is fixedly connected to multiple bases, and the top of the base plate is respectively provided with a stamping groove, a limit groove and a fixed frame, the inner wall of the limit groove is fixedly connected to an ejection spring, and the center of the inner wall of the fixed frame is fixedly connected to an electric telescopic rod, and the driving ends of the electric telescopic rod are respectively fixedly connected to a pressure plate and a stamping plate, and the workpiece positioning mechanism includes a limit plate fixedly connected to the fixed frame, one end of the limit plate is slidably connected to a slide rod, and the bottom of the slide rod is fixedly connected to a movable plate, and the top of the movable plate is fixedly connected to the limit plate by an elastic rope. The arrangement of the ejection spring in the utility model facilitates better ejection of the workpiece, the arrangement of the stamping groove and the stamping plate facilitates better stamping work on the workpiece, and the arrangement of the pressure plate facilitates better driving the bottom plate and the anti-sliding block in the workpiece mechanism to fit with the workpiece, so as to better limit the workpiece.

[0005] However, the automobile parts stamping die in patent authorization number CN219052640U is not convenient for adjusting the position of the punching head as needed, which is not conducive to adjusting the installation position of the punching head as needed, reducing the applicability of the stamping die. Therefore, we propose a car side panel stamping die with an adjustable punching head to solve the above problems. Utility Model Content

[0006] 1. Technical problems to be solved

[0007] In response to the problems existing in the prior art, the purpose of the utility model is to provide a car side panel stamping die with an adjustable stamping head, which uses the elastic force of the spring to reset the positioning plate, and fixes the stamping head body by engaging with the positioning slot through the card slot, and then drives the stamping head body downward through the hydraulic cylinder to punch the workpiece in conjunction with the stamping hole. The position of the stamping head body can be quickly adjusted according to the position of the punching hole in the workpiece.

[0008] Technical Solution

[0009] In order to solve the above problems, the present invention adopts the following technical solutions.

[0010] A stamping die for automobile side panels with an adjustable stamping head, comprising a base, a top plate mounted above the base, and guide pillars symmetrically fixedly connected between the base and the top plate, wherein a hydraulic cylinder is mounted on the upper surface of the top plate;

[0011] The movable end of the hydraulic cylinder passes through the top plate, and a connecting seat is installed on the movable end of the hydraulic cylinder, and the connecting seat is slidably connected to the guide column;

[0012] The lower surface of the connecting seat is fixedly connected to a connecting frame arranged in an inverted U-shaped structure, and the bottom of the connecting frame is provided with a plurality of assembling holes, and the assembling holes are arranged at equal intervals;

[0013] A positioning plate is movably connected above the top of the assembly hole, a slot is provided on the positioning plate corresponding to the edge of the assembly hole, connectors are welded at both ends of the positioning plate, a slotted hole is provided on the connecting frame corresponding to the connector, a guide rod is fixedly connected to the inner side of the slotted hole, and the guide rod is slidably connected to the connector, and a spring is sleeved on the guide rod;

[0014] A punch head body is installed on the inner side of the assembly hole, the top end of which abuts against the connecting seat, and a positioning groove is provided on the outer wall of the punch head body to engage with the clamping groove;

[0015] A forming die is installed on the upper surface of the base, a limiting groove is provided on the top of the forming die, and a punching hole corresponding to the punch head body is provided on the bottom of the limiting groove.

[0016] Furthermore, a discharge trough connected to the punching hole is provided on the inner side of the forming die, and a discharge port of the discharge trough extends to the side wall of the forming die.

[0017] Furthermore, an inclined surface is provided on the inner side of the discharge chute.

[0018] Furthermore, one end of the spring is connected to the connector, and the other end of the spring is connected to the end wall of the straight hole.

[0019] Furthermore, a handle hole groove is formed at an edge of the positioning plate away from the assembly hole.

[0020] Furthermore, the outer diameter of the punch head body is adapted to the inner diameter of the assembly hole.

[0021] Furthermore, the outer diameter of the positioning groove is matched with the inner diameter of the clamping groove, and the height of the positioning groove is matched with the thickness of the positioning plate.

[0022] Beneficial effects

[0023] Compared with the prior art, the advantages of the present invention are:

[0024] (1) In this solution, the punch head body is placed in the corresponding assembly hole according to the hole position to be punched, and the positioning plate is dragged at the same time to make the connecting head slide with the guide rod inside the slotted hole, and the spring is pressed to deform. After the top of the punch head body is in contact with the connecting seat, the positioning plate is reset by the elastic force of the spring, and the punch head body is fixed by engaging the card slot with the positioning slot. Then, the punch head body is pressed down by the hydraulic cylinder to punch the workpiece in conjunction with the punching hole. The position of the punch head body can be quickly adjusted according to the position of the punching hole in the workpiece.

[0025] (2) In this solution, after the waste material punched out by the punch head body enters the discharge chute, the waste material is discharged by the inclined surface, eliminating the need for manual cleaning operations and allowing the stamping work to continue. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0027] Figure 2 This is an enlarged schematic diagram of part A of the present utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the punch head body of the present utility model;

[0029] Figure 4 This is a front view schematic diagram of the assembly hole of the utility model;

[0030] Figure 5 This is a front view schematic diagram of the forming die of the present invention;

[0031] Figure 6 It is a schematic cross-sectional view of the AA portion of the forming die of the present invention.

[0032] Description of the numbers in the figure:

[0033] 1. Base; 2. Top plate; 3. Guide column; 4. Hydraulic cylinder; 5. Connecting seat; 6. Connecting frame; 7. Assembly hole; 8. Positioning plate; 9. Slot; 10. Connecting head; 11. Slotted hole; 12. Guide rod; 13. Spring; 14. Handle hole slot; 15. Punching head body; 16. Positioning slot; 17. Forming die; 18. Limiting slot; 19. Punching hole; 20. Discharge chute; 21. Inclined surface. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0035] Example

[0036] See also Figure 1-6 A stamping die for automobile side panels with an adjustable stamping head comprises a base 1, a top plate 2 mounted above the base 1, and guide pillars 3 symmetrically fixedly connected between the base 1 and the top plate 2. A hydraulic cylinder 4 is mounted on the upper surface of the top plate 2.

[0037] The movable end of the hydraulic cylinder 4 passes through the top plate 2, and a connecting seat 5 is installed on the movable end of the hydraulic cylinder 4, and the connecting seat 5 is slidably connected to the guide column 3;

[0038] The lower surface of the connecting seat 5 is fixedly connected to a connecting frame 6 in an inverted U-shaped structure. The bottom of the connecting frame 6 is provided with a plurality of equidistant mounting holes 7.

[0039] A positioning plate 8 is movably connected above the top of the assembly hole 7. A slot 9 is provided on the edge of the positioning plate 8 corresponding to the assembly hole 7. Connectors 10 are welded to both ends of the positioning plate 8. A slotted hole 11 is provided on the portion of the connecting frame 6 corresponding to the connector 10. A guide rod 12 is fixedly connected to the inner side of the slotted hole 11, and the guide rod 12 is slidably connected to the connector 10. A spring 13 is sleeved on the guide rod 12.

[0040] A punch body 15 is mounted on the inner side of the assembly hole 7, the top end of which abuts against the connecting seat 5. The outer wall of the punch body 15 is provided with a positioning groove 16 that engages with the slot 9.

[0041] A forming die 17 is mounted on the upper surface of the base 1. A limiting groove 18 is provided on the top of the forming die 17. A punching hole 19 corresponding to the punch head body 15 is provided at the bottom of the limiting groove 18.

[0042] It should be noted that when the punch head adjustable automobile side panel stamping die is in use, the workpiece for the automobile side panel is first placed on the inner side of the limit groove 18, and then the punch head body 15 is placed in the corresponding assembly hole 7 according to the hole position to be punched, and the positioning plate 8 is dragged at the same time to make the connecting head 10 slide with the guide rod 12 on the inner side of the straight hole 11, and the spring 13 is pressed to deform. After the top of the punch head body 15 abuts against the connecting seat 5, the elastic force of the spring 13 is used to reset the positioning plate 8, and the card slot 9 is engaged with the positioning slot 16 to fix the punch head body 15, and then the hydraulic cylinder 4 drives the punch head body 15 to be pressed down to cooperate with the punching hole 19 to punch the workpiece. The position of the punch head body 15 can be quickly adjusted according to the position of the punching hole in the workpiece.

[0043] like Figure 1 、 Figure 5 、 Figure 6 As shown, a discharge chute 20 is provided on the inner side of the forming die 17 and is electrically connected to the punching hole 19 , and the discharge port of the discharge chute 20 extends to the side wall of the forming die 17 , and a slope 21 is provided on the inner side of the discharge chute 20 ;

[0044] It should be noted that after the waste material punched out by the punch head body 15 enters the discharge chute 20, the waste material is discharged by the inclined surface 21, eliminating the need for manual cleaning operations and allowing the punching work to continue.

[0045] like Figure 1 、 Figure 2 As shown, one end of the spring 13 is connected to the connector 10, and the other end of the spring 13 is connected to the end wall of the straight hole 11. A handle hole groove 14 is opened at the edge of the positioning plate 8 away from the assembly hole 7;

[0046] It should be noted that the handle hole 14 is provided to facilitate dragging the positioning plate 8 to move.

[0047] like Figure 1 、 Figure 3 、 Figure 4 As shown, the outer diameter of the punch body 15 is adapted to the inner diameter of the assembly hole 7, the outer diameter of the positioning groove 16 is adapted to the inner diameter of the card slot 9, and the height of the positioning groove 16 is adapted to the thickness of the positioning plate 8;

[0048] It should be noted that the stability of the assembly and fixation of the punch head body 15 is guaranteed.

[0049] During use: first place the workpiece for the side panel of the automobile on the inner side of the limiting groove 18, and then place the punch head body 15 in the corresponding assembly hole 7 according to the hole position to be punched, and at the same time drag the positioning plate 8 to make the connecting head 10 slide with the guide rod 12 on the inner side of the slotted hole 11, and press the spring 13 to deform. After the top of the punch head body 15 abuts against the connecting seat 5, the elastic force of the spring 13 is used to reset the positioning plate 8, and the card slot 9 is engaged with the positioning slot 16 to fix the punch head body 15, and then the hydraulic cylinder 4 drives the punch head body 15 to be pressed down to cooperate with the punching hole 19 to punch the workpiece.

[0050] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A stamping die for automobile side panels with an adjustable stamping head, comprising a base (1), a top plate (2) mounted above the base (1), and a guide post (3) symmetrically fixedly connected between the base (1) and the top plate (2), characterized in that: A hydraulic cylinder (4) is mounted on the upper surface of the top plate (2); The movable end of the hydraulic cylinder (4) passes through the top plate (2), and a connecting seat (5) is installed on the movable end of the hydraulic cylinder (4), and the connecting seat (5) is slidably connected to the guide column (3); A connecting frame (6) having an inverted U-shaped structure is fixedly connected to the lower surface of the connecting seat (5); a mounting hole (7) is provided at the bottom of the connecting frame (6), and a plurality of the mounting holes (7) are equidistantly arranged; A positioning plate (8) is movably connected above the top of the assembly hole (7), and a slot (9) is provided on the positioning plate (8) at an edge portion corresponding to the assembly hole (7). Connectors (10) are welded to both ends of the positioning plate (8), and a straight hole (11) is provided at a portion of the connecting frame (6) corresponding to the connecting head (10). A guide rod (12) is fixedly connected to the inner side of the straight hole (11), and the guide rod (12) is slidably connected to the connecting head (10), and a spring (13) is sleeved on the guide rod (12); A punch head body (15) is installed on the inner side of the assembly hole (7), the top end of which abuts against the connecting seat (5), and a positioning groove (16) is provided on the outer wall of the punch head body (15) to engage with the clamping groove (9); A forming die (17) is installed on the upper surface of the base (1), a limiting groove (18) is provided on the top of the forming die (17), and a punching hole (19) corresponding to the punch head body (15) is provided at the bottom of the limiting groove (18).

2. The automobile side panel stamping die with an adjustable stamping head according to claim 1, characterized in that: A discharge trough (20) is provided on the inner side of the forming die (17) and is electrically connected to the punching hole (19), and a discharge port of the discharge trough (20) extends to the side wall of the forming die (17).

3. The automobile side panel stamping die with an adjustable stamping head according to claim 2, characterized in that: The inner side of the discharge chute (20) is provided with an inclined surface (21).

4. The automobile side panel stamping die with an adjustable stamping head according to claim 1, characterized in that: One end of the spring (13) is connected to the connector (10), and the other end of the spring (13) is connected to the end wall of the straight hole (11).

5. The automobile side panel stamping die with an adjustable stamping head according to claim 1, characterized in that: A handle hole groove (14) is provided on the edge of the positioning plate (8) away from the assembly hole (7).

6. The automobile side panel stamping die with an adjustable stamping head according to claim 1, characterized in that: The outer diameter of the punch head body (15) is adapted to the inner diameter of the assembly hole (7).

7. The automobile side panel stamping die with an adjustable stamping head according to claim 1, characterized in that: The outer diameter of the positioning groove (16) is adapted to the inner diameter of the clamping groove (9), and the height of the positioning groove (16) is adapted to the thickness of the positioning plate (8).