Stamping die with automatic stripping function

By designing an automatic material removal mechanism in the stamping mold, the problem of workpiece stuck on the mold is solved, and the automatic disengagement of the workpiece and the improvement of stamping efficiency are achieved.

CN222842932UActive Publication Date: 2025-05-09KUNSHAN MAIQUAN PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202421472944.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-05-09
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

When the existing stamping molds stamp workpieces with closed structures or concave structures, the finished parts are easily stuck on the mold and need to be manually peeled off, which affects the stamping efficiency.

Method used

A stamping mold for automatic deduplication is designed, and a deduplication mechanism is adopted, including a rotating rod, a bracket, a linear guide, a slider, a moving plate and a deduplication rod. Through the synergy of these components, the automatic disengagement of the workpiece is achieved.

Benefits of technology

Automatic material removal of workpieces is achieved, stamping efficiency is improved, manual intervention is reduced, and production efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic stripping stamping die, which belongs to the technical field of stamping dies, and comprises a base, an upper top plate, a lower bottom plate, a sliding rod, a stamping rod and a punch, the lower bottom plate is arranged at the upper end of the base, and the punch is arranged at one end of the stamping rod; two stripping mechanisms are arranged at the upper end of the base, a stamping mechanism is arranged at the upper end of the lower bottom plate, and each stripping mechanism comprises a rotating rod, a support, a linear guide rail, a sliding block, a moving plate and a stripping rod. A movable plate is arranged at the upper end of the sliding block, and a stripping rod aligned with the side face of a workpiece is arranged on the side, close to the punch, of the sliding block. The two ends of the rotating rod are hinged to the movable plate and the upper top plate through hinge seats correspondingly. By means of the mode, a workpiece is punched into a designated shape through the punch and the punching mechanism, and machining of the workpiece is completed; the finished workpiece is attached to the surface of the punch, the finished workpiece is separated from the surface of the punch through the punching mechanism, the automatic stripping effect is achieved, and the stripping efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to an automatic material-removing stamping die. Background Art

[0002] In industrial production, different stamping dies are needed to stamp out different workpieces, and the difficulty of stamping workpieces of different shapes is also different.

[0003] Chinese patent CN219616530U discloses a stamping die, including a lower pressing plate and an upper pressing plate. A template is provided on the upper surface of the lower pressing plate. Baffles are provided on both sides of the template. A working groove is provided on the lower side of the baffle, and a threaded rod is provided in the working groove. Through the baffle, when the template needs to be replaced, the handle can be rotated by hand to move in the working groove, and the baffle moves up to cancel the obstruction of the template. At this time, the template can be removed from the surface of the lower pressing plate by hand, achieving the effect of facilitating the replacement of the template. However, the stamping die still has the following problems:

[0004] When the stamping die forms a workpiece with a closed structure or a concave structure, the finished part will be stuck on the die and fit the die, and the workpiece needs to be manually peeled off the die, which affects the stamping efficiency.

[0005] Based on this, the utility model designs a stamping die with automatic material stripping to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a stamping die with automatic material stripping.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A stamping die for automatic stripping, comprising a base (30), an upper top plate (10), a lower bottom plate (20) and a sliding rod (40);

[0009] A lower bottom plate (20) is fixedly mounted on the upper end of the base (30), a plurality of sliding rods (40) are provided, one end of the sliding rod (40) is fixedly connected to the lower bottom plate (20), and the other end of the sliding rod (40) is slidably connected to the upper top plate (10);

[0010] The lower end of the upper top plate (10) is fixedly connected to one end of a punching rod (60), and a punch (70) is fixedly mounted on the other end of the punching rod (60);

[0011] A punching mechanism (90) is installed at the upper end of the lower base plate (20), and the punching mechanism (90) is used to cooperate with the punch (70) to punch the workpiece (50);

[0012] The upper end of the base (30) is provided with a stripping mechanism (80) which is symmetrical with respect to the punch (70);

[0013] The stripping mechanism (80) comprises a rotating rod (81), a bracket (82), a linear guide rail (83), a slider (84), a movable plate (85) and a stripping rod (86); the bracket (82) is fixedly mounted on the upper end of the base (30), the linear guide rail (83) is fixedly mounted on the bracket (82), the slider (84) is limitedly slidably connected to the linear guide rail (83), the movable plate (85) is fixedly mounted on the upper end of the slider (84), the stripping rod (86) is fixedly mounted on the slider (84), and the stripping rod (86) is located between the stamping mechanism (90) and the upper top plate (10); the two ends of the rotating rod (81) are respectively hinged to the movable plate (85) and the upper top plate (10) through hinge seats;

[0014] Furthermore, the stripper rod (86) is coplanar with the workpiece (50);

[0015] Furthermore, the punching mechanism (90) comprises an I-shaped punching block (94), a horizontal punching block (95) and a fixed base (96); a vertical reset assembly (93) is provided between the I-shaped punching block (94) and the lower base plate (20), and a horizontal reset assembly (92) is provided between the horizontal punching block (95) and the I-shaped punching block (94); a punching inclined surface (97) for punching the workpiece (50) into an inner concave structure is provided on the inner side of the horizontal punching block (95);

[0016] Furthermore, the horizontal punching block (95) is symmetrically arranged on both sides of the I-shaped punching block (94), and the fixed base (96) is symmetrically arranged on both sides of the horizontal punching block (95);

[0017] Furthermore, the horizontal punching block (95) and the I-shaped punching block (94) are interlocked;

[0018] Furthermore, the contact ends of the fixed base (96) and the horizontal punching block (95) are both provided with matching sliding inclined surfaces, and the lower side of the inclined surface of the fixed base (96) is also provided with a locking plane (98);

[0019] Furthermore, the front and rear sides of the fixed base (96) are fixedly mounted with limit blocks (91) for limiting the position of the horizontal punching block (95);

[0020] Furthermore, the horizontal reset assembly (92) and the vertical reset assembly (93) have the same structure;

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] In the utility model, the workpiece (50) is punched into a specified shape by a punch (70) and a punching mechanism (90), thereby completing the processing of the workpiece (50). The finished workpiece (50) attached to the surface of the punch (70) is pushed down horizontally along the movement direction of the stripping rod (86) by a stripping rod (86), thereby achieving an automatic stripping effect and increasing the stamping efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 A three-dimensional automatic stripping stamping die of the utility model Figure 1 ;

[0025] Figure 2 This is a front view of an automatic stripping stamping die of the utility model;

[0026] Figure 3 A three-dimensional automatic stripping stamping die of the utility model Figure 2 ;

[0027] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0028] Figure 5 A three-dimensional image of the workpiece;

[0029] Figure 6 It is a structural schematic diagram of the stamping mechanism.

[0030] The numbers in the figure represent:

[0031] 10. Upper top plate; 20. Lower bottom plate; 30. Base; 40. Sliding rod; 50. Workpiece; 60. Punching rod; 70. Punch; 80. Stripping mechanism; 81. Rotating rod; 82. Bracket; 83. Linear guide rail; 84. Sliding block; 85. Moving plate; 86. Stripping rod; 90. Punching mechanism; 91. Limit block; 92. Horizontal reset assembly; 93. Vertical reset assembly; 94. I-shaped punching block; 95. Horizontal punching block; 96. Fixed base; 97. Punching slope; 98. Locking plane. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0034] In some embodiments, please refer to the attached instructions. Figure 1-6 , a stamping die for automatic stripping, comprising a base (30), an upper top plate (10), a lower bottom plate (20) and a sliding rod (40); the lower bottom plate (20) is fixedly mounted on the upper end of the base (30), a plurality of sliding rods (40) are provided, one end of the sliding rod (40) is fixedly connected to the lower bottom plate (20), and the other end of the sliding rod (40) is slidably connected to the upper top plate (10);

[0035] The lower end of the upper top plate (10) is fixedly connected to one end of a punching rod (60), and a punch (70) is fixedly mounted on the other end of the punching rod (60);

[0036] A punching mechanism (90) is installed at the upper end of the lower base plate (20), and the punching mechanism (90) is used to cooperate with the punch (70) to punch the workpiece (50);

[0037] The upper end of the base (30) is provided with a stripping mechanism (80) which is symmetrical with respect to the punch (70);

[0038] The stripping mechanism (80) comprises a rotating rod (81), a bracket (82), a linear guide rail (83), a slider (84), a movable plate (85) and a stripping rod (86); the bracket (82) is fixedly mounted on the upper end of the base (30), the linear guide rail (83) is fixedly mounted on the bracket (82), the slider (84) is limitedly slidably connected to the linear guide rail (83), the movable plate (85) is fixedly mounted on the upper end of the slider (84), a stripping rod (86) aligned with the side of the workpiece (50) is fixedly mounted on the side of the slider (84) close to the punch (70), and the stripping rod (86) is located between the stamping mechanism (90) and the upper top plate (10); the two ends of the rotating rod (81) are respectively hinged to the movable plate (85) and the upper top plate (10) through hinge seats.

[0039] In the utility model, the workpiece (50) to be punched is placed on the punching mechanism (90), the upper top plate (10) moves vertically downward under the limit of the sliding rod (40), the punch (70) is driven to move vertically downward through the punching rod (60), and the slider (84) is moved in a direction away from the punch (70) under the limit of the linear guide rail (83) through the rotating rod (81), so that the stripping rod (86) avoids the punch (70); through the punch (70) and the punching mechanism ( After the punching is completed, the finished workpiece (50) is attached to the surface of the punch (70), the upper top plate (10) is reset, and the slider (84) is moved close to the punch (70) by the rotating rod (81). During the movement of the slider (84), the slider (84) drives the stripping rod (86) to press against the two sides of the finished workpiece (50), so that the finished workpiece (50) is gradually separated from the punch (70), thereby completing the automatic stripping operation.

[0040] In the utility model, the workpiece (50) is punched into a specified shape by a punch (70) and a punching mechanism (90), thereby completing the processing of the workpiece (50). The finished workpiece (50) attached to the surface of the punch (70) is pushed down horizontally along the movement direction of the stripping rod (86) by a stripping rod (86), thereby achieving an automatic stripping effect and increasing the stamping efficiency.

[0041] The punching mechanism (90) comprises an I-shaped punching block (94), horizontal punching blocks (95) symmetrically arranged on both sides of the I-shaped punching block (94), and a fixed base (96) symmetrically arranged on both sides of the horizontal punching block (95); a vertical reset assembly (93) is arranged between the I-shaped punching block (94) and the lower bottom plate (20); the horizontal punching block (95) and the I-shaped punching block (94) are interlocked, and the horizontal punching block (95) and the I-shaped punching block (94) are interlocked. A horizontal reset assembly (92) is provided between the fixed base (96) and the horizontal punching block (95); the contact ends of the fixed base (96) and the horizontal punching block (95) are provided with matching sliding inclined surfaces, and the lower side of the inclined surface of the fixed base (96) is also provided with a locking plane (98); the front and rear sides of the fixed base (96) are fixedly installed with limit blocks (91) for limiting the horizontal punching block (95), and the inner side of the horizontal punching block (95) is provided with a stamping inclined surface (97) for stamping the workpiece (50) into a concave structure.

[0042] The vertical reset assembly (93) comprises a slide rod and a spring. One end of the slide rod is fixedly connected to the base (30), and the other end of the slide rod is slidably connected to the I-shaped stamping block (94). The spring is set on the slide rod. One end of the spring is fixedly connected to the base (30), and the other end of the spring abuts against the I-shaped stamping block (94).

[0043] The horizontal reset assembly (92) comprises a second slide bar and a second spring. The second slide bar is fixedly connected to the I-shaped punching block (94). The second spring is sleeved on the second slide bar. One end of the second spring is fixedly connected to the I-shaped punching block (94), and the other end of the second spring abuts against the horizontal punching block (95).

[0044] In the utility model, an unprocessed workpiece (50) is placed on the upper end of a fixed base (96), and a punch (70) presses the workpiece (50) downward, so that the workpiece (50) is bent between two horizontal punching blocks (95); when the workpiece (50) contacts the upper surface of an I-shaped punching block (94), the punch (70) continues to press the workpiece (50) downward, and at this time, the workpiece (50) presses the I-shaped punching block (94) downward to move the pressing spring, and at the same time, the I-shaped punching block (94) drives the two horizontal punching blocks (95) to slide along the inclined surface of the fixed base (96), and the two horizontal punching blocks (95) are pressed downward. 5) respectively squeeze the two springs 2, and the stamping bevels (97) of the two horizontal stamping blocks (95) approach the workpiece (50); when the two horizontal stamping blocks (95) slide to the locking plane (98) respectively, the stamping bevels (97) of the two horizontal stamping blocks (95) squeeze the two sides of the workpiece (50) to fit the surface of the punch (70) to complete the stamping of the concave structure of the workpiece (50); when the punch (70) moves upward to drive the workpiece (50) to move upward, the spring 1 drives the I-shaped stamping block (94) to reset, and the two springs 2 respectively drive the horizontal stamping blocks (95) to reset, and the stamping is completed. In the utility model, the punch (70), the I-shaped stamping block (94) and the stamping bevel (97) cooperate to complete the stamping of the continuous concave structure of the workpiece (50), and the workpiece (50) is reset following the punch (70).

[0045] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A stamping die for automatic stripping, comprising a base (30), an upper top plate (10), a lower bottom plate (20) and a sliding rod (40), characterized in that: A lower bottom plate (20) is fixedly mounted on the upper end of the base (30), a plurality of sliding rods (40) are provided, one end of the sliding rod (40) is fixedly connected to the lower bottom plate (20), and the other end of the sliding rod (40) is slidably connected to the upper top plate (10); The lower end of the upper top plate (10) is fixedly connected to one end of a punching rod (60), and a punch (70) is fixedly mounted on the other end of the punching rod (60); A punching mechanism (90) is installed at the upper end of the lower base plate (20), and the punching mechanism (90) is used to cooperate with the punch (70) to punch the workpiece (50); The upper end of the base (30) is provided with a stripping mechanism (80) which is symmetrical with respect to the punch (70); The stripping mechanism (80) comprises a rotating rod (81), a bracket (82), a linear guide rail (83), a slider (84), a movable plate (85) and a stripping rod (86); the bracket (82) is fixedly mounted on the upper end of the base (30), the linear guide rail (83) is fixedly mounted on the bracket (82), the slider (84) is limitedly slidably connected to the linear guide rail (83), the movable plate (85) is fixedly mounted on the upper end of the slider (84), the stripping rod (86) is fixedly mounted on the slider (84), and the stripping rod (86) is located between the stamping mechanism (90) and the upper top plate (10); the two ends of the rotating rod (81) are respectively hinged to the movable plate (85) and the upper top plate (10) through hinge seats.

2. The automatic stripping stamping die according to claim 1, characterized in that: The stripper rod (86) is coplanar with the workpiece (50).

3. The automatic stripping stamping die according to claim 2, characterized in that: The punching mechanism (90) comprises an I-shaped punching block (94), a horizontal punching block (95) and a fixed base (96); a vertical reset assembly (93) is provided between the I-shaped punching block (94) and the lower base plate (20); and a horizontal reset assembly (92) is provided between the horizontal punching block (95) and the I-shaped punching block (94); and a punching inclined surface (97) for punching the workpiece (50) into an inner concave structure is provided on the inner side of the horizontal punching block (95).

4. The automatic stripping stamping die according to claim 3, characterized in that: The horizontal punching block (95) is symmetrically arranged on both sides of the I-shaped punching block (94), and the fixed base (96) is symmetrically arranged on both sides of the horizontal punching block (95).

5. The automatic stripping stamping die according to claim 4, characterized in that: The horizontal punching block (95) and the I-shaped punching block (94) are interlocked.

6. The automatic stripping stamping die according to claim 5, characterized in that: The contact ends of the fixed base (96) and the horizontal punching block (95) are both provided with matching and sliding inclined surfaces, and a locking plane (98) is also provided on the lower side of the inclined surface of the fixed base (96).

7. The automatic stripping stamping die according to claim 6, characterized in that: Limiting blocks (91) for limiting the position of the horizontal punching block (95) are fixedly mounted on the front and rear sides of the fixed base (96).

8. The automatic stripping stamping die according to claim 7, characterized in that: The horizontal reset assembly (92) and the vertical reset assembly (93) have the same structure.

Citation Information

Patent Citations

  • Stamping die

    CN219616530U