Folding concave push type punch forming process

Through the folding concave propulsion stamping forming process, the continuous stamping forming of the inner folding structure is achieved by using multiple bending and propulsion set modules, which solves the problem of low preparation efficiency in the prior art and improves the inner folding structure. Stamping forming efficiency.

CN119259772APending Publication Date: 2025-01-07KUNSHAN TENGKE MASCH MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202411549923.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-01-07

AI Technical Summary

Technical Problem

The current V-shaped block and V-shaped head preparation methods cannot be applied to stamping of continuous belts, resulting in low preparation efficiency and the inability to achieve continuous stamping of inner folded structures.

Method used

By adopting the folding and concave propulsion stamping process, the push-in molding structure is set up by setting up multiple bending ends to avoid push-in molding, including pre-tilt bending module, right-angle bending molding module, and vertical pre-set mold of inner folding The group and the final part avoid pushing into the inner folding set module. The material belt is bent and pushed into the molding multiple times in these modules. The continuous stamping forming of the inner folding structure is achieved by using the inner folding pushing wedge and the progressive inclined front pushing table. .

Benefits of technology

It effectively improves the continuous stamping and forming efficiency of the inner folding structure, avoids the tedious process of loading and unloading alone, and improves the preparation efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119259772A_ABST
    Figure CN119259772A_ABST
Patent Text Reader

Abstract

The invention discloses a folding inward concave push type punch forming process. The process comprises the steps that a pre-inclined bending module, a right-angle folded part bending forming module, an inward folded part vertical pre-forming module and a final part avoiding push-in inward folded forming module are arranged; the material belt is conveyed to a pre-inclined bending module to be pre-bent by 30-45 degrees in advance; continuously conveying to a right-angle folded part bending forming module, carrying out 90-degree bending forming on the right-angle folded part, and after forming, preserving for 15-20 seconds for pressure-maintaining pressing; continuously conveying to an inner folding part vertical pre-shaping module, and performing 90-degree pre-shaping on an inner folding structure to form an inner folding front folding angle part forming structure; continuously conveying to a final part to avoid and push into an infolding shaping module; a final forming pressure head is pressed downwards; a wedge block is inwards folded and pushed forwards along a gradually inclined front pushing table; and the inward-folding push-in wedge block pushes the material belt to carry out pushing and shaping of the inward-folding structure.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to precision machining technology, in particular to stamping forming, and specifically to a split-fold inward concave push-type stamping forming process. Background Art

[0002] See also Figure 1 Some products have an inner folding structure 100, and the end of the inner folding structure 100 is connected to a right-angle folded portion 101. The current preparation method uses a V-block and a V-shaped press head for preparation, but the preparation method of the V-block and the V-shaped press head cannot be applied to the stamping of continuous strips. A separate loading and stamping is required, and then the unloading and stamping are performed again, and the preparation efficiency is low.

[0003] Therefore, it is necessary to provide a split concave push-type stamping process to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a split concave push-type stamping forming process.

[0005] The present invention achieves the above object through the following technical solutions:

[0006] A split-fold inward-concave push-type stamping forming process, the steps comprising:

[0007] 1) A multiple-bending terminal avoidance push-in forming structure is set, and the multiple-bending terminal avoidance push-in forming structure includes a pre-inclined bending module, a right-angle folding portion bending forming module, an inner folding portion vertical pre-forming module, and a terminal avoidance push-in inner folding shaping module which are sequentially arranged; the terminal avoidance push-in inner folding shaping module includes an inner folding push-in wedge block, and the inner folding push-in wedge block is connected to the terminal forming pressure head, and a progressively inclined front push platform is provided corresponding to the terminal forming pressure head, and the terminal forming pressure head is pressed down, and the inner folding push-in wedge block is pushed forward along the progressively inclined front push platform, so as to form an inner folding stamping forming structure for multiple-bending terminal avoidance push-in forming;

[0008] 2) The material strip is conveyed to the pre-tilted bending module for pre-bending at 30-45°;

[0009] 3) Continue to transport to the right-angle folding part bending and forming module to perform 90° bending and forming of the right-angle folding part. After forming, keep the pressure for 15-20 seconds;

[0010] 4) Continue to transport to the vertical pre-forming module of the inner folding part to perform 90° pre-forming of the inner folding structure to form a forming structure of the inner folding front corner part;

[0011] 5) Continue to transport to the end to avoid pushing into the inner folding shaping module;

[0012] 5-1) The final forming head presses down;

[0013] 5-2) Push the table forward along the gradual inclination, fold inwards, push the wedge forward;

[0014] 5-3) The inward folding push wedge pushes the material strip to advance and shape the inward folding structure.

[0015] Furthermore, the inclined forward pushing platform includes an inclined forward pushing driving platform of 8-15 degrees.

[0016] Furthermore, a corresponding mold for inward folding is provided corresponding to the final forming pressure head, and the corresponding mold for inward folding is connected to the retraction driving member.

[0017] Furthermore, the pre-tilted bending module includes a correspondingly arranged inclined pre-bending pressure head and an inclined pre-bending bearing mold part, the inclined pre-bending pressure head has an inclined pre-bending holding area of ​​45-65°, and the corresponding inclined pre-bending holding area is provided with a matching inclined pre-bending support platform.

[0018] Furthermore, the right-angle folded portion bending and forming module includes a correspondingly arranged right-angle folded portion bending into a pressure head and a right-angle folded portion bending into a bearing mold portion, the right-angle folded portion bending and forming pressure head has a 90° right-angle folded portion bending and forming area, and the corresponding right-angle folded portion bending and forming area is provided with a matching right-angle folded portion bending and forming support platform.

[0019] Furthermore, the inner folding part vertical pre-forming module includes a corresponding inner folding part vertical pre-forming press head and an inner folding part vertical pre-forming supporting mold part. The inner folding part vertical pre-forming press head has a 90° inner folding part vertical pre-forming holding area, and the corresponding inner folding part vertical pre-forming holding area is provided with a matching inner folding part vertical pre-forming support platform.

[0020] Furthermore, the pre-inclined bending module, the right-angle folding portion bending and forming module, and the inner folding portion vertical pre-forming module all have an end fixed pressing head and an end fixed pressing receiving block.

[0021] Furthermore, the contoured inward folding corresponding mold of the terminal avoidance and pushing into the inward folding shaping module cooperates with the fixed pressure head at the end of the terminal to form a pressure-holding and fixing structure at the end of the terminal forming area.

[0022] Compared with the prior art, the present invention performs multiple pre-forming processes, and then the final forming pressure head presses down, and the inward folding push wedge is pushed forward along the progressively inclined forward push table, and the inward folding push wedge pushes the material strip to perform the advancing and shaping of the inward folding structure, thereby effectively ensuring the continuous stamping forming efficiency of the inward folding structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic diagram of the inward folding structure.

[0024] Figure 2 It is one of the structural schematic diagrams of the present invention.

[0025] Figure 3 Schematic diagram of the strip forming steps.

[0026] Figure 4 This is a schematic diagram of the end avoidance push-in folding shaping module. DETAILED DESCRIPTION

[0027] Example:

[0028] See also Figure 2-4 This embodiment shows a split concave push-type stamping process, the steps include:

[0029] 1) A multiple bending terminal avoidance push-in forming structure is set, and the multiple bending terminal avoidance push-in forming structure includes a pre-inclined bending module 1, a right-angle folding portion bending forming module 2, an inner folding portion vertical pre-forming module 3, and an end-avoidance push-in inner folding forming module 4 which are sequentially arranged;

[0030] The terminal avoidance push-in folding shaping module 4 includes an inward folding push-in wedge block 41, which is connected to the terminal forming pressure head 42, and a progressively inclined front push platform 43 is provided corresponding to the terminal forming pressure head 42. The terminal forming pressure head 42 is pressed down, and the inward folding push-in wedge block 41 is pushed forward along the progressively inclined front push platform 43, forming an inward folding stamping forming structure with multiple bending terminal avoidance push-in forming;

[0031] 2) The material strip 10 is conveyed to the pre-tilted bending module 1 for pre-bending at 30-45°;

[0032] 3) Continue to convey to the right-angle folding portion bending and forming module 2 to perform 90° bending and forming of the right-angle folding portion 101. After forming, keep the pressure for 15-20 seconds;

[0033] 4) Continue to convey to the inner folding part vertical pre-forming module 3, perform 90° pre-forming of the inner folding structure, and form the inner folding front corner forming structure;

[0034] 5) Continue to transport to the end to avoid pushing into the inner folding and shaping module 4;

[0035] 5-1) The final forming head presses down;

[0036] 5-2) Push the table forward along the gradual inclination, fold inwards, push the wedge forward;

[0037] 5-3) The inward folding wedge pushes the material strip to advance and shape the inward folding structure 100.

[0038] The inclined forward pushing platform 43 includes an inclined forward pushing driving platform 44 with an angle of 8-15 degrees.

[0039] Corresponding to the final forming pressure head 42, a contoured inward folding corresponding mold 45 is provided, and the inward folding corresponding mold 45 is connected to the retracting driving member.

[0040] The pre-inclined bending module 1 includes a correspondingly arranged inclined pre-bending press head 11 and an inclined pre-bending bearing mold part 12. The inclined pre-bending press head 11 has an inclined pre-bending holding area 13 of 45-65°, and the corresponding inclined pre-bending holding area 13 is provided with a matching inclined pre-bending support platform 14.

[0041] The right-angle folded portion bending and forming module 2 includes a correspondingly arranged right-angle folded portion bending into a pressure head 21 and a right-angle folded portion bending into a bearing mold portion 22. The right-angle folded portion bending and forming pressure head 21 has a 90° right-angle folded portion bending and forming area 23, and the corresponding right-angle folded portion bending and forming area 23 is provided with a matching right-angle folded portion bending and forming support platform 24.

[0042] The inner folding part vertical pre-forming module 3 includes a corresponding inner folding part vertical pre-forming press head 31 and an inner folding part vertical pre-forming supporting mold part 32. The inner folding part vertical pre-forming press head 31 has a 90° inner folding part vertical pre-forming holding area 33, and the corresponding inner folding part vertical pre-forming holding area 33 is provided with a matching inner folding part vertical pre-forming support platform 34.

[0043] The pre-inclined bending module 1 , the right-angle folding portion bending and forming module 2 , and the inner folding portion vertical pre-forming module 3 all have an end fixed pressing head 5 and an end fixed pressing receiving block 51 .

[0044] The contoured inward folding corresponding mold 45 of the terminal avoidance push-in inward folding shaping module 4 cooperates with the terminal end fixed pressure head 46 to form a pressing and fixing structure at the end of the terminal forming area.

[0045] Compared with the prior art, the present invention performs multiple pre-forming processes, and then the final forming pressure head presses down, and the inward folding push wedge is pushed forward along the progressively inclined forward push table, and the inward folding push wedge pushes the material strip to perform the advancing and shaping of the inward folding structure, thereby effectively ensuring the continuous stamping forming efficiency of the inward folding structure.

[0046] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A split concave push-type stamping process, characterized in that: steps include: 1) A multiple-bending terminal avoidance push-in forming structure is set, and the multiple-bending terminal avoidance push-in forming structure includes a pre-inclined bending module, a right-angle folding portion bending forming module, an inner folding portion vertical pre-forming module, and a terminal avoidance push-in inner folding shaping module which are sequentially arranged; the terminal avoidance push-in inner folding shaping module includes an inner folding push-in wedge block, and the inner folding push-in wedge block is connected to the terminal forming pressure head, and a progressively inclined front push platform is provided corresponding to the terminal forming pressure head, and the terminal forming pressure head is pressed down, and the inner folding push-in wedge block is pushed forward along the progressively inclined front push platform, so as to form an inner folding stamping forming structure for multiple-bending terminal avoidance push-in forming; 2) The material strip is conveyed to the pre-tilted bending module for pre-bending at 30-45°; 3) Continue to transport to the right-angle folding part bending and forming module to perform 90° bending and forming of the right-angle folding part. After forming, keep the pressure for 15-20 seconds; 4) Continue to transport to the vertical pre-forming module of the inner folding part to perform 90° pre-forming of the inner folding structure to form a forming structure of the inner folding front corner part; 5) Continue to transport to the end to avoid pushing into the inner folding shaping module; 5-1) The final forming head presses down; 5-2) Push the table forward along the gradual inclination, fold inwards, push the wedge forward; 5-3) The inward folding push wedge pushes the material strip to advance and shape the inward folding structure.

2. The folding concave push-type stamping forming process according to claim 1, characterized in that: The inclined forward push table includes an inclined forward push drive table of 8-15°.

3. The split concave push-type stamping forming process according to claim 2, characterized in that: Corresponding to the final forming pressure head, a contoured inward folding corresponding mold is provided, and the inward folding corresponding mold is connected to the retracting driving member.

4. The split concave push-type stamping process according to claim 3, characterized in that: The pre-inclined bending module includes a correspondingly arranged inclined pre-bending press head and an inclined pre-bending bearing mold part. The inclined pre-bending press head has an inclined pre-bending holding area of ​​45-65°, and the corresponding inclined pre-bending holding area is provided with a matching inclined pre-bending support platform.

5. The split concave push-type stamping process according to claim 4, characterized in that: The right-angle folded portion bending and forming module includes a correspondingly arranged right-angle folded portion bending into a pressure head and a right-angle folded portion bending into a bearing mold portion. The right-angle folded portion bending and forming pressure head has a 90° right-angle folded portion bending and forming area, and the corresponding right-angle folded portion bending and forming area is provided with a matching right-angle folded portion bending and forming support platform.

6. The folding concave push-type stamping forming process according to claim 5, characterized in that: The inner folding part vertical pre-forming module includes a corresponding inner folding part vertical pre-forming press head and an inner folding part vertical pre-forming supporting mold part. The inner folding part vertical pre-forming press head has a 90° inner folding part vertical pre-forming holding area, and the corresponding inner folding part vertical pre-forming holding area is provided with a matching inner folding part vertical pre-forming support platform.

7. The split concave push-type stamping process according to claim 6, characterized in that: The pre-inclined bending module, the right-angle folding portion bending and forming module, and the inner folding portion vertical pre-forming module all have an end fixed pressing head and an end fixed pressing receiving block.

8. The folding concave push-type stamping forming process according to claim 7, characterized in that: The contoured inward folding corresponding mold of the terminal avoidance and pushing-in inward folding shaping module cooperates with the fixed pressure head at the end of the terminal to form a pressure-holding and fixing structure at the end of the terminal forming area.