Automobile part stamping device

By designing the matching of forming punch, stamping rod and demolding assembly, the low efficiency problem caused by the tight fit between parts and mold in the existing technology is solved, realizing automatic demolding and efficient production of parts.

CN223465418UActive Publication Date: 2025-10-24ZHEJIANG JISHENG MASCH CO LTD
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Patent Information

Application Number
CN202422655608.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-10-24
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

In existing automotive parts stamping equipment, after stamping, the parts are tightly fitted to the mold, requiring auxiliary tools to remove them, resulting in low work efficiency.

Method used

A stamping device for automobile parts was designed, which includes a forming punch, a stamping rod and a forming die. The automatic demoulding of the parts is achieved by hydraulically driving a lifting plate and a pushing block, and the demoulding assembly is used to eject the stamped annular iron sheet from the stamping rod.

Benefits of technology

It realizes automatic demoulding of parts, improves the efficiency of stamping operations, reduces manual intervention, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

An automobile part stamping device is used for solving the technical problems that after a stamping device in the prior art is used for stamping, after a part is attached to a die, a worker needs to take down the part from the die through a tool, then stamping operation can be conducted again, and the working efficiency is reduced, the automobile part stamping device comprises a machine base, and guide rods are vertically arranged at the four corners of the top of the machine base; a lifting plate is arranged at the top of the machine base and slidably connected with the four guide rods, hydraulic cylinders are fixedly arranged on the two sides of the top of the machine base, the telescopic ends of the two hydraulic cylinders are vertically upward and fixedly connected with the bottom of the lifting plate, a forming die is fixedly arranged at the top of the machine base, and a forming punch is fixedly arranged at the bottom of the lifting plate and vertically corresponds to the forming die. A hollow mounting column is arranged on the machine base in a sliding mode, the axis of the mounting column is parallel to the machine base, a coaxial stamping rod is fixedly arranged in the mounting column, the stamping rod penetrates through the mounting column in a sliding mode and extends between the forming punch and the forming mold, and a demolding assembly used for demolding parts on the stamping rod is arranged in the mounting column.
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Description

Technical Field

[0001] The utility model relates to the technical field of parts stamping, in particular to a stamping device for automobile parts. Background Art

[0002] Among automotive parts, there are many kinds of circular ring-shaped parts, and the production batches are often large. These circular ring-shaped parts have gaps and are usually made of strip sheet metal through cutting, stamping, and rolling into a circular shape.

[0003] The parts stamping device of the prior art, such as the utility model patent document with authorization announcement number "CN217070335U" and patent name "Automotive Parts Stamping Die", discloses a parts stamping device, including a base, a mounting plate fixedly installed on the top surface of the base, a lower fixed die provided on the top surface of the mounting plate, a stamping cavity provided on the top surface of the lower fixed die, a plurality of slide grooves provided on the top surface of the lower fixed die, and sliders are slidably connected to the interior of the plurality of slide grooves, a connecting plate fixedly installed on the top surface of the slider, and a movable cavity provided on the top surface of the connecting plate.

[0004] In the above patent document, after the parts are stamped, since the parts fit tightly against the mold, the staff needs to use auxiliary tools to remove the parts from the mold before they can perform the stamping operation again, which reduces work efficiency. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies of the existing technology and propose a stamping device for automobile parts, which is used to solve the technical problem mentioned in the background technology that after the stamping device of the existing technology completes the stamping of the parts, the parts are tightly fitted with the mold, and the staff need to use auxiliary tools to remove the parts from the mold before the stamping operation can be carried out again, which reduces the technical problem of work efficiency.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] A stamping device for automobile parts includes a machine base, guide rods are vertically provided at the four corners of the top of the machine base, a lifting plate is provided on the top of the machine base and the lifting plate is slidably connected to the four guide rods, hydraulic cylinders are fixed on both sides of the top of the machine base, and the telescopic ends of the two hydraulic cylinders are vertically upward and fixed to the bottom of the lifting plate, a forming mold is fixed on the top of the machine base, a forming punch is fixed at the bottom of the lifting plate, and the forming punch corresponds to the forming mold up and down, an internal hollow mounting column is slidingly provided on the machine base, and the axis of the mounting column is parallel to the machine base, a coaxial stamping rod is fixed in the mounting column, the stamping rod slides through the mounting column and extends between the forming punch and the forming die, a pushing block for pushing the mounting column is fixed at the bottom of the lifting plate, and a demolding assembly for demolding parts on the stamping rod is provided in the mounting column.

[0008] Working principle:

[0009] First, the operator will need to punch round iron sheet placed on the punch rod, then the operator starts the hydraulic cylinder, the hydraulic cylinder drives the lifting plate on the guide rod towards the base, then the forming punch will first contact the iron sheet on the punch rod and punch the iron sheet into a U-shaped iron sheet, then the push block and the installation column abuts and drives the punch rod towards the forming die, at this time the forming punch is still closely attached to the punch rod, the U-shaped iron sheet abuts with the bottom inner wall of the forming die, the opening part of the U-shaped iron sheet is limited by the shape of the forming die and is punched into a ring-shaped iron sheet, then the operator can push the ring-shaped iron sheet on the punch rod out through the demolding assembly.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] First, the forming punch, the punch rod and the forming die are provided, the iron sheet is punched into a U-shaped iron sheet through the abutment of the forming punch and the top of the punch rod, and the U-shaped iron sheet is punched into a ring-shaped iron sheet through the cooperation of the punch rod and the forming die.

[0012] Second, the demolding assembly is provided, the ring-shaped iron sheet after punching can be pushed out from the punch rod through the demolding assembly, and the operator does not need to manually take down the ring-shaped iron sheet from the punch rod. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a sectional view structure schematic diagram of the utility model embodiment;

[0014] Figure 2 It is a front view of the utility model embodiment;

[0015] Figure 3 It is a structure schematic diagram after the lifting plate moves.

[0016] Mark for explaining: base 1, guide rod 2, lifting plate 3, hydraulic cylinder 4, forming die 6, forming punch 7, installation column 8, punch rod 9, push block 10, connecting column 11, first spring 12, push rod 13, connecting block 14, fixed rod 15, rotating block 16, torsional spring 17, limiting block 18, roller 19, avoiding hole 20, placing plate 21, placing hole 22, second spring 23, jacking rod 24, fixed seat 25, third spring 26, guide rod 27, fourth spring 28. DETAILED DESCRIPTION

[0017] The technical scheme in the utility model will be further explained in combination with the drawings and embodiments.

[0018] Embodiment:

[0019] As Figure 1 andFigure 2 and Figure 3 As shown, a stamping device for automobile parts includes a machine base 1, guide rods 2 are vertically provided at the four corners of the top of the machine base 1, a lifting plate 3 is provided on the top of the machine base 1, and the lifting plate 3 is slidably connected to the four guide rods 2. The setting of the guide rods 2 can provide a certain guide when the lifting plate 3 moves vertically, hydraulic cylinders 4 are fixed on both sides of the top of the machine base 1, and the telescopic ends of the two hydraulic cylinders 4 are vertically upward and fixed to the bottom of the lifting plate 3, a forming mold 6 is fixed on the top of the machine base 1, a forming punch 7 is fixed at the bottom of the lifting plate 3, and the forming punch 7 corresponds to the forming mold 6 up and down, and the forming punch 7 on the lifting plate 3 can be driven by the hydraulic cylinder 4 to move vertically toward the forming mold 6.

[0020] like Figure 1 and Figure 2 As shown, a hollow mounting column 8 is slidingly provided on the machine base 1, and the axis of the mounting column 8 is parallel to the machine base 1. A coaxial punching rod 9 is fixed in the mounting column 8, and the punching rod 9 slides through the mounting column 8 and extends between the forming punch 7 and the forming mold 6. Avoidance holes 20 are provided on opposite sides of the forming mold 6, and a placement plate 21 for placing iron pieces is rotatably provided in the two avoidance holes 20. A placement groove for placing iron sheets is provided on the top of the opposite side of the two placement plates 21. Placement holes 22 are provided on opposite sides of the forming mold 6, and a second spring 23 is fixed in the two placement holes 22. The ends of the two second springs 23 are fixed with a push rod 24, and the two push rods 24 are respectively slidably provided in the two placement holes 22. The tops of the two push rods 24 respectively abut against the bottoms of the two placement plates 21, and the forming punch 7 faces the two placement plates. The I-shaped iron sheet in the placement groove on the plate 21 moves. Since the iron sheet is pushed by the forming punch 7, the two placement plates 21 can rotate in the placement hole 22 and push the push rod 24 and the second spring 23. When the iron sheet is tightly fitted on the punching rod 9 and changes from an I-shaped iron sheet to a U-shaped iron sheet, the two placement plates 21 lose the push of the iron sheet. The two placement plates 21 rotate to the initial position under the action of the second spring 23. A pushing block 10 for pushing the mounting column 8 is fixed at the bottom of the lifting plate 3. When the iron sheet is changed from an I-shaped iron sheet to a U-shaped iron sheet, the pushing block 10 abuts against the mounting column 8. The mounting column 8 drives the punching rod 9 and the U-shaped iron sheet between the punching rod 9 and the forming punch 7 continues to move toward the forming mold 6. The forming mold 6 can squeeze the U-shaped opening of the iron sheet, so that the U-shaped iron sheet can be punched into a ring-shaped iron sheet.

[0021] like Figure 1 and Figure 3As shown, the mounting column 8 is provided with a demolding assembly for demolding the parts on the stamping rod 9, the demolding assembly includes a hollow connecting column 11, a first spring 12 and a push rod 13, the connecting column 11 is slidingly arranged in the mounting column 8, the stamping rod 9 is slidingly arranged in the connecting column 11, the mounting column 8, the connecting column 11 and the stamping rod 9 are coaxially arranged, the two ends of the first spring 12 are fixedly arranged on the outer wall of the connecting column 11 and the inner wall of the mounting column 8 respectively, the push rod 13 is fixedly arranged at the end of the connecting column 11 away from the first spring 12, and the push rod 13 slidingly passes through the mounting column 8 and extends to the outside of the mounting column 8, the connecting column 11 can be pushed by the push rod 13, so that the first spring 12 changes from the natural state to the compressed state, and the connecting column 11 after moving can push the annular iron sheet on the stamping rod 9, so that the iron sheet after stamping can be pushed out of the stamping rod 9.

[0022] As shown in Figure 1 and Figure 3 , the bottom of the lifting plate 3 is fixedly provided with a connecting block 14, the connecting block 14 is fixedly provided with a fixed rod 15, the fixed rod 15 is rotatably provided with a rotating block 16, the fixed rod 15 is sleeved with a torsional spring 17, and the two ends of the torsional spring 17 are fixedly arranged on the connecting block 14 and the rotating block 16 respectively, the connecting block 14 is provided with a limiting block 18 for limiting the rotation of the rotating block 16, the limiting block 18 can limit the rotation direction of the rotating block 16, the torsional spring 17 can facilitate the rotation of the rotating block 16 when the bottom of the rotating block 16 abuts against the top of the roller 19, the end of the push rod 13 away from the connecting column 11 is rotatably provided with a roller 19, the roller 19 can convert the sliding friction between the rotating block 16 and the push rod 13 into rolling friction, one side of the rotating block 16 is a slope, and the rotating block 16 is used to push the roller 19 and the push rod 13 to move transversely when the lifting plate 3 moves away from the base 1.

[0023] As shown in Figure 1 and Figure 3 , the base 1 is fixedly provided with two hollow fixed seats 25, the two fixed seats 25 are fixedly provided with third springs 26, the two fixed seats 25 are slidingly provided with guide rods 27, and the two guide rods 27 are fixedly connected with the two third springs 26 respectively, the top of the two guide rods 27 is fixedly connected with the bottom of the mounting column 8, the third spring 26 can provide certain buffer when the mounting column 8 moves towards the base 1, the outer wall of the two guide rods 27 is sleeved with fourth springs 28, and the two ends of the two fourth springs 28 are fixedly arranged on the bottom of the mounting column 8 and the top of the fixed seat 25 respectively, the fourth spring 28 can further provide buffer when the mounting column 8 moves towards the fixed seat 25.

[0024] Working principle:

[0025] First, the operator will be placed between the two pieces of sheet iron sheet 21, then the operator starts hydraulic cylinder 4, the hydraulic cylinder 4 drive the forming punch 7 on the lifting plate 3 moves towards the punch rod 9, the forming punch 7 first with two pieces of sheet iron sheet 21 abuts, because the bottom of the forming punch 7 is arc-shaped, so the sheet iron sheet will be punched into U-shaped sheet iron, when the sheet iron is initially punched, the push block 10 and the installation column 8 top abuts, and at the same time, the rotating block 16 over the roller 19 is located below the roller 19, then through the hydraulic cylinder 4 continues to move the U-shaped sheet iron between the forming punch 7 and the punch rod 9 towards the forming die 6, when the installation column 8 moves towards the base 1, the third spring 26 and the fourth spring 28 will give the installation column 8 a certain buffer, because the inner wall of the forming die 6 is arc-shaped, so the U-shaped sheet iron is punched into a ring-shaped sheet iron, then the operator starts the hydraulic cylinder 4, the lifting plate 3 away from the base 1, at this time, because of the limit of the column, the rotating block 16 and the roller 19 abuts and pushes the roller 19, the roller 19 pushes the push rod 13, the push rod 13 pushes the connecting column 11, the connecting column 11 can move towards the end of the punch rod 9 and push the ring-shaped sheet iron at the end of the punch rod 9 to the outside space.

[0026] Finally, it is pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application. Its all should be covered in the scope of the claims of the present application.

Claims

1. An automobile part press device characterized by comprising: The utility model provides a kind of stamping device, including pedestal (1), the top four corners of the pedestal (1) are vertically provided with guide rod (2), the top of the pedestal (1) is provided with lifting plate (3) and lifting plate (3) is slidably connected with four guide rods (2), the top of the pedestal (1) is solidly provided with hydraulic cylinder (4) and the telescopic end of two hydraulic cylinders (4) is vertically upward and is solidly connected with the bottom of lifting plate (3), the top of the pedestal (1) is solidly provided with forming die (6), the bottom of the lifting plate (3) is solidly provided with forming punch (7) and forming punch (7) is correspondingly up and down with forming die (6), the pedestal (1) is slidably provided with hollow mounting column (8) and the axis of mounting column (8) is parallel with pedestal (1), the inside of the mounting column (8) is solidly provided with coaxial stamping rod (9), the stamping rod (9) is slidably through mounting column (8) and extends between forming punch (7) and forming die (6), the bottom of the lifting plate (3) is solidly provided with ejector block (10) for pushing mounting column (8), the inside of the mounting column (8) is provided with demoulding assembly for the part on stamping rod (9) is demoulded.

2. The automobile parts stamping device according to claim 1, characterized in that: The demoulding assembly includes hollow connecting column (11), first spring (12) and push rod (13), the connecting column (11) is slidably arranged in the mounting column (8), the stamping rod (9) is slidably arranged in the connecting column (11), the mounting column (8), the connecting column (11) and the stamping rod (9) are coaxially arranged, the two ends of the first spring (12) are respectively solidly arranged on the outer wall of the connecting column (11) and the inner wall of the mounting column (8), and the push rod (13) is solidly arranged at the end of the connecting column (11) away from the first spring (12) and slidably extends to the outside of the mounting column (8).

3. The stamping device for automobile parts according to claim 2, characterized in that: The bottom of the lifting plate (3) is solidly provided with connecting block (14), the connecting block (14) is solidly provided with fixed rod (15), the fixed rod (15) is rotatably provided with rotating block (16), the fixed rod (15) is sleeved with torsional spring (17), and the two ends of the torsional spring (17) are respectively solidly arranged on the connecting block (14) and the rotating block (16), the connecting block (14) is provided with limiting block (18) for limiting the rotation of the rotating block (16), the end of the push rod (13) away from the connecting column (11) is rotatably provided with roller (19), one side of the rotating block (16) is inclined, and the rotating block (16) is used for pushing the roller (19) and the push rod (13) to move horizontally when the lifting plate (3) moves away from the pedestal (1).

4. The stamping device for automobile parts according to claim 1, characterized in that: The opposite sides of the forming die (6) are both provided with avoiding hole (20), the avoiding hole (20) is rotatably provided with placing plate (21) for placing iron piece, the opposite sides of the forming die (6) are both provided with placing hole (22), and the second spring (23) is solidly arranged in the two placing holes (22), the two ends of the two second springs (23) are solidly provided with top rod (24), and the two top rods (24) are respectively slidably arranged in the two placing holes (22), and the top of the two top rods (24) respectively abuts with the bottom of the two placing plates (21).

5. The stamping device for automobile parts according to claim 1, characterized in that: The base (1) is provided with two hollow fixing bases (25), the third spring (26) is arranged in each of the two fixing bases (25), the guide rod (27) is slidably arranged in each of the two fixing bases (25), and the two guide rods (27) are fixedly connected with the two third springs (26), respectively.

6. The stamping device for an automobile part according to claim 5, wherein: The fourth spring (28) is sleeved on the outer wall of each of the two guide rods (27), and the two ends of the fourth spring (28) are fixedly arranged on the bottom of the mounting column (8) and the top of the fixing base (25), respectively.

Citation Information

Patent Citations

  • Stamping die for automobile parts

    CN217070335U