High-precision stamping method for copper material
A multi-step copper stamping process addresses surface defects in traditional methods by precise cutting and forming, enhancing product quality and efficiency.
Patent Information
- Application Number
- CN202510662623.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-22
- Publication Date
- 2025-07-15
AI Technical Summary
Traditional stamping processes form process interfaces on the surface of copper materials, affecting product performance and aesthetics, especially when the product width and depth are very small.
Multiple cutting and forming operations are adopted, including primary cutting, primary forming, secondary cutting, secondary forming, fine cutting and fine forming, combined with chamfering treatment, to ensure that there is no process interface on the surface of the product.
Improve product forming quality and production rhythm and improve stamping efficiency.
Smart Images
Figure CN120306493A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of stamping technology, and particularly to a high-precision stamping method for copper materials. Background Art
[0002] Stamping is a processing method that applies external force to plates, strips, tubes, profiles, etc. to cause plastic deformation or separation of the product, and is widely used.
[0003] However, when dealing with some special profiles such as copper materials, especially when the punching width and depth of the product are very small, if the traditional stamping process is used for stamping, a process interface will be formed on the surface of the copper material, which will not only affect the performance of the product but also be unsightly. Therefore, improvement is needed. Summary of the Invention
[0004] To solve the above technical problems, one technical solution adopted by the present invention is:
[0005] Provide a high-precision stamping method for copper materials, and its steps include:
[0006] (1) Primary blanking: Obtain preset primary blanking parameters, and punch out the outer shape of the product on the strip according to the primary blanking parameters; wherein, the primary blanking parameters include the primary blanking length and the primary blanking width, and the primary blanking length is the same as the target length of the product, and the primary blanking width is less than the target width of the product;
[0007] (2) Primary forming: Obtain the strip thickness H and the preset primary forming thickness h1, and punch the product according to the primary forming thickness, so that the thickness h1' of the product after punching = H - h1;
[0008] (3) Secondary blanking: Obtain preset secondary blanking parameters, and punch the product according to the secondary blanking parameters; wherein, the secondary blanking parameters include the secondary blanking length and the secondary blanking width, the secondary blanking length is the same as the target length of the product, and the secondary blanking width is less than the target width of the product;
[0009] (4) Secondary forming: Obtain the strip thickness H and the preset secondary forming thickness h2, and punch the product according to the secondary forming thickness, so that the thickness h2' of the product after punching = H - h2;
[0010] (5) Fine blanking: Obtain preset fine blanking parameters, and punch the product according to the fine blanking parameters; wherein, the fine blanking parameters include the fine blanking length and the fine blanking width, the fine blanking length is the same as the target length of the product, and the fine blanking width is the same as the target width of the product;
[0011] (6) Precision forming: Obtain the thickness H of the strip and the preset precision forming thickness h3, and stamp the product according to the precision forming thickness, so that the thickness h3' of the product after stamping is H - h3, where h3' is the target thickness of the product; at the same time, obtain the preset chamfering parameters and stamp and form the outer end of the product according to the chamfering parameters.
[0012] In a preferred embodiment of the present invention, the primary forming thickness, the secondary forming thickness, and the precision forming thickness are respectively calculated according to the preset thickness calculation ratio and the thickness of the strip.
[0013] In a preferred embodiment of the present invention, the thickness H of the strip is 3 mm.
[0014] In a preferred embodiment of the present invention, the preset primary forming thickness is 1.8 mm, then the thickness of the product after primary forming is 1.2 mm.
[0015] In a preferred embodiment of the present invention, the preset secondary forming thickness is 2.0 mm, then the thickness of the product after primary forming is 1 mm.
[0016] In a preferred embodiment of the present invention, the preset precision forming thickness is 2.2 mm, then the thickness of the product after precision forming is 0.8 mm.
[0017] In a preferred embodiment of the present invention, after precision forming, the product is precision cut again, and the steps of precision cutting are the same as those in step (5).
[0018] The beneficial effects of the present invention are: Multiple cutting and forming operations are carried out according to the characteristics of copper materials, and no process interfaces will be left on the surface of the product, which not only greatly improves the quality of product forming, but also is beneficial to improving the production rhythm and stamping efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings, where:
[0020] Figure 1 is a schematic flow chart of a preferred embodiment of a high-precision stamping method for copper materials of the present invention;
[0021] Figure 2 is a schematic structural diagram of the product after precision cutting, precision forming, and precision cutting treatment in a preferred embodiment of a high-precision stamping method for copper materials of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0023] Please refer to Figure 1-2 , the embodiments of the present invention include:
[0024] A high-precision stamping method for copper materials, the steps of which include:
[0025] (1) Primary blanking: Obtain the preset primary blanking parameters, and punch out the outer shape of the product on the strip according to the primary blanking parameters.
[0026] The primary blanking parameters include the primary blanking length and the primary blanking width. Among them, the primary blanking length is the same as the target length of the product, and the primary blanking width is less than the target width of the product.
[0027] (2) Primary forming: Obtain the strip thickness H and the preset primary forming thickness h1, and punch the product according to the primary forming thickness, so that the thickness h1' of the product after punching = H - h1.
[0028] Further preferably, the primary forming thickness is greater than the target thickness.
[0029] Further preferably, the primary forming thickness h1 is 1.8 mm. When the thickness of the strip is 3 mm, the thickness of the product after primary forming is 1.2 mm.
[0030] (3) Secondary blanking: Obtain the preset secondary blanking parameters, and punch the product according to the secondary blanking parameters.
[0031] The secondary blanking parameters include the secondary blanking length and the secondary blanking width. Among them, the secondary blanking length is the same as the target length of the product, and the secondary blanking width is less than the target width of the product.
[0032] (4) Secondary forming: Obtain the strip thickness H and the preset secondary forming thickness h2, and punch the product according to the secondary forming thickness, so that the thickness h2' of the product after punching = H - h2.
[0033] Further preferably, the secondary forming thickness is greater than the target thickness.
[0034] Further preferably, the secondary forming thickness h2 is 2.0 mm. When the thickness of the strip is 3 mm, the thickness of the product after primary forming is 1 mm.
[0035] (5) Fine blanking: Obtain the preset fine blanking parameters, and punch the product according to the fine blanking parameters.
[0036] The fine cutting parameters include the fine cutting length and the fine cutting width. Among them, the fine cutting is the same as the target length of the product, and the fine cutting is the same as the target width of the product.
[0037] (6) Precision forming: Obtain the strip thickness H and the preset precision forming thickness h3, and stamp the product according to the precision forming thickness, so that the thickness h3' of the product after stamping is H - h3, and h3' is the target thickness of the product; at the same time, obtain the preset chamfering parameters, and stamp and form the outer end of the product according to the chamfering parameters, so that the cross section of the outer end of the product forms a trapezoidal or triangular structure.
[0038] Among them, the precision forming thickness h3 is 2.2 mm. When the thickness of the strip is 3 mm, the thickness of the product after precision forming is 0.8 mm.
[0039] Further preferably, after precision forming, the product is fine cut again, and the steps of fine cutting are the same as those in step (5).
[0040] The beneficial effect of a high-precision stamping method for copper materials according to the present invention is that multiple cutting and forming operations are performed according to the characteristics of copper materials, and no process interfaces are left on the surface of the product, which not only greatly improves the quality of product forming, but also is beneficial to improving the production rhythm and stamping efficiency.
[0041] The above are only embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification of the present invention, or directly or indirectly applied in other related technical fields, shall be included in the patent protection scope of the present invention by the same token.
Claims
1. A high-precision stamping method for copper materials, characterized in that the steps Including: (1) Primary material cutting: Obtain the preset primary material cutting parameters, and punch out the outer shape of the product on the strip according to the primary material cutting parameters; among them, the primary material cutting parameters include the primary material cutting length and the primary material cutting width, and the primary material cutting length is the same as the target length of the product, and the primary material cutting width is less than the target width of the product; (2) Primary forming: Obtain the strip thickness H and the preset primary forming thickness h1, and punch the product according to the primary forming thickness, so that the thickness h1' of the product after punching = H - h1; (3) Secondary material cutting: Obtain the preset secondary material cutting parameters, and punch the product according to the secondary material cutting parameters; among them, the secondary material cutting parameters include the secondary material cutting length and the secondary material cutting width, the secondary material cutting length is the same as the target length of the product, and the secondary material cutting width is less than the target width of the product; (4) Secondary forming: Obtain the strip thickness H and the preset secondary forming thickness h2, and punch the product according to the secondary forming thickness, so that the thickness h2' of the product after punching = H - h2; (5) Fine cutting: Obtain the preset fine cutting parameters, and punch the product according to the fine cutting parameters; among them, the fine cutting parameters include the fine cutting length and the fine cutting width, the fine cutting is the same as the target length of the product, and the fine cutting is the same as the target width of the product; (6) Fine forming: Obtain the strip thickness H and the preset fine forming thickness h3, and punch the product according to the fine forming thickness, so that the thickness h3' of the product after punching = H - h3, and h3' is the target thickness of the product; at the same time, obtain the preset chamfering parameters, and punch and form the outer end of the product according to the chamfering parameters.
2. The high-precision stamping method for copper materials according to claim 1, wherein Calculate the primary forming thickness, secondary forming thickness, and fine forming thickness respectively according to the preset thickness calculation ratio and the thickness of the strip.
3. A high-precision stamping method for copper materials according to claim 1, characterized in that, The thickness H of the strip is 3 mm.
4. A high-precision stamping method for copper materials according to claim 1, characterized in that, The preset primary forming thickness is 1.8 mm, then the thickness of the product after primary forming is 1.2 mm.
5. A high-precision stamping method for copper materials according to claim 1, characterized in that The preset secondary forming thickness is 2.0 mm, then the thickness of the product after primary forming is 1 mm.
6. A high-precision stamping method for copper materials according to claim 1, characterized in that, The preset fine forming thickness is 2.2 mm, then the thickness of the product after fine forming is 0.8 mm.
7. A high-precision stamping method for copper materials according to claim 1, characterized in that, After fine forming, perform fine cutting on the product again, and the steps of fine cutting are the same as those in step (5).