Continuous stamping die of closed-loop support

By designing a continuous stamping die for the closed-loop bracket, the problem of low forming efficiency of the closed-loop bracket for thick plates was solved, and efficient automated production was achieved.

CN223394152UActive Publication Date: 2025-09-30XIAMEN HONGKAI ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202422376616.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-09-30
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

The existing technology lacks automated equipment for forming closed-loop supports for thick plates, resulting in low production efficiency.

Method used

A continuous stamping die for a closed-loop bracket is designed, which includes an upper die base, a punch assembly, a die assembly and a lower die base. Automatic stamping of the sheet is achieved through the combination of a trimming die set, a bending die set and a cutting die set.

Benefits of technology

It achieves large-scale and high-precision closed-loop bracket molding, improves production efficiency and meets market demand.

✦ Generated by Eureka AI based on patent content.

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Abstract

The continuous stamping die of the closed-loop support comprises an upper die base, a male die assembly, a female die assembly and a lower die base, the male die assembly comprises a trimming die set, a bending die set and a cutting-off die set, the female die assembly comprises a trimming cushion block insert, a bending cushion block insert and a cutting-off cushion block insert, the trimming die set comprises an appearance cutting stamping knife and a connecting part cutting stamping knife, and the bending die set comprises a bending cushion block insert and a cutting-off cushion block insert. The trimming cushion block insert comprises a shape cushion groove and a connecting part cushion groove, and the shape cutting stamping knife and the connecting part cutting stamping knife respectively correspond to the shape cushion groove and the connecting part cushion groove; the sheet body is stamped in the shape cushion groove through the shape cutting stamping knife and is blanked to form a sheet body for forming a closed-loop support, then is stamped in the connecting part cushion groove through the connecting part cutting stamping knife and is blanked to form a structure for closed-loop connection, then is stamped in the bending cushion block insert through the bending module and is used for bending and forming a bottle body, and finally is stamped in the cutting-off cushion block insert through the cutting-off module. And the formed closed-loop support is separated from the material plate. The closed-loop support is formed through continuous punching, the market requirement is met, and the production efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the field of continuous stamping dies, in particular to a continuous stamping die for a closed-loop bracket. Background Art

[0002] like Figure 1-2 The closed-loop bracket shown is a rectangular frame. The closed loop is positioned with a circular protrusion at one end and a circular groove at the other end. The closed loop is achieved by the cooperation of the circular protrusion and the circular groove. Traditional closed-loop brackets of this shape are mainly formed by manual stamping and bending. Since the material sheet used to form the closed-loop bracket is relatively thick, there is currently no automatic stamping and forming equipment for the closed-loop bracket. Summary of the Invention

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a continuous stamping die for a closed-loop bracket, which can solve the technical problem of forming closed-loop brackets in large quantities and with high precision.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: including an upper die base, a punch assembly, a die assembly, and a lower die base arranged in sequence from top to bottom, the punch assembly including a trimming die group, a bending die group, and a cutting die group, the die assembly including a trimming pad insert, a bending pad insert, and a cutting pad insert, wherein the trimming die group includes a contour cutting punch and a connection cutting punch, the trimming pad insert includes a contour pad groove and a connection pad groove, the contour cutting punch and the connection cutting punch correspond to the contour pad groove and the connection pad groove, respectively.

[0005] Furthermore, the outer shape cutting punches include four first punches and four second punches, and the outer shape gaskets include four first gasket grooves and four second gasket grooves.

[0006] Furthermore, the cutting connection part punching knife includes a third punching knife and a fourth punching knife, and the connecting part gasket groove includes a third gasket groove and a fourth gasket groove.

[0007] Furthermore, the bending module includes a first pressing block and a second pressing block, and the bending pad insert includes a first pad and a second pad, and the first pressing block and the second pressing block correspond to the first pad and the second pad respectively.

[0008] Furthermore, the cutting module includes a cutting punch, the cutting pad insert includes a cutting pad groove, and the cutting punch corresponds to the cutting pad groove.

[0009] Furthermore, the male die assembly is further provided with a punching die set, and the female die assembly is further provided with a punching pad insert, the punching die set includes a punch rod, and the punching pad insert includes a punching slot.

[0010] The beneficial effects of the utility model are:

[0011] The utility model discloses a continuous stamping die for a closed-loop bracket, comprising an upper die base, a punch assembly, a die assembly and a lower die base, wherein the punch assembly comprises a trimming die group, a bending die group and a cutting die group, and the die assembly comprises a trimming pad insert, a bending pad insert and a cutting pad insert, wherein the trimming die group comprises a contour cutting punch and a connection cutting punch, the trimming pad insert comprises a contour pad groove and a connection pad groove, and the contour cutting punch and the connection cutting punch correspond to the contour pad groove and the connection pad groove respectively; the sheet body is punched in the contour pad groove by the contour cutting punch to punch out the sheet body of the formed closed-loop bracket, and then is punched in the connection pad groove by the connection cutting punch to punch out a structure for closed-loop connection, and then is punched in the bending pad insert by the bending die group to bend the bottle body into shape, and finally is punched in the cutting pad insert by the cutting die to separate the formed closed-loop bracket from the material plate. The utility model adopts automatic continuous stamping to form a closed-loop bracket, which meets market demand and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 Schematic diagram of the closed-loop stent structure;

[0014] Figure 2 Schematic diagram of the closed-loop bracket structure from another angle;

[0015] Figure 3 Schematic diagram of sheet metal processing process;

[0016] Figure 4 A schematic structural diagram of the female die assembly of the continuous stamping die of the closed-loop bracket according to the present invention;

[0017] Figure 5 Schematic diagram of the overall side structure of the continuous stamping die of the closed-loop bracket described in the utility model

[0018] Figure 6 Schematic diagram of the structure of the trimming pad insert and the punching pad insert of the continuous stamping die of the closed-loop bracket described in the utility model.

[0019] Figure 7 Schematic diagram of the structure of the bending pad insert and the cutting pad insert of the continuous stamping die of the closed-loop bracket described in the utility model.

[0020] Description of main component symbols

[0021] 10. Closed loop bracket; 101. Round hole;

[0022] 20. Upper die seat;

[0023] 30. Trimming pad insert; 301. First pad groove; 302. Second pad groove; 303. Third pad groove; 304. Fourth pad groove;

[0024] 40. Punching pad insert; 401. Punching slot;

[0025] 50. Bending pad insert; 501. First pad; 502. Second pad;

[0026] 60. Cut off the insert of the spacer block; 601. Cut off the punching groove;

[0027] 70. Lower die base;

[0028] 80. Material sheet. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, 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. Obviously, the described embodiments are part of the embodiments of the present invention, not all of 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. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention for which protection is sought, but merely represents selected embodiments of the present invention. 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.

[0030] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0031] like Figure 1-2The closed-loop bracket 10 shown is in the shape of a rectangular frame. The closed loop is positioned with a circular protrusion at one end and a circular groove at the other end. The closed loop is achieved by the cooperation of the circular protrusion and the circular groove. Circular holes 101 are opened on both short sides of the closed-loop bracket 10.

[0032] Please refer to Figure 3-5 As shown, the utility model provides a continuous stamping die for a closed-loop bracket 10, comprising an upper die base 20, a punch assembly, a die assembly, and a lower die base 70 arranged in sequence from top to bottom, the punch assembly comprising a trimming die group, a bending die group, and a cutting die group, the die assembly comprising a trimming pad insert 30, a bending pad insert 50, and a cutting pad insert 60, the material sheet 80 is punched on the trimming pad insert 30 by the trimming die group, the sheet body of the closed-loop bracket 10 is punched out, the bending pad insert 50 is punched by the bending die group, the sheet body is bent to form the closed-loop bracket 10, and finally the cutting pad insert 60 is punched on the cutting pad insert 60 by the cutting die group, the product is separated from the material sheet 80 to form an independent product.

[0033] Please refer to Figure 3-4 、 Figure 6 As shown, the trimming module includes a contour cutting punch and a connection cutting punch, and the trimming pad insert 30 includes a contour pad groove and a connection pad groove. The contour cutting punch and the connection cutting punch correspond to the contour pad groove and the connection pad groove, respectively. Specifically, the contour cutting punch includes four first punches and four second punches, and the contour pad groove includes four first pad grooves 301 and four second pad grooves 302. The sheet 80 is punched in the four first pad grooves 301 by the four first punches, forming two groups of strip holes on the sheet 80. One group of strip holes includes two strip holes. Then, the sheet 80 is punched in the four second pad grooves 302 by the four second punches, and the ends of the two groups of strip holes close to each other are extended respectively. The sheet between the groups of strip holes is the long side of the closed-loop bracket 10.

[0034] Please refer to Figure 3-4 、 Figure 6 As shown, the cutting blades for the connection portion include a third punch and a fourth punch, and the connection portion gasket grooves include a third gasket groove 303 and a fourth gasket groove 304. Specifically, the third punch is concave in the middle, and the fourth punch is convex in the middle. The sheet 80 is punched into the third gasket groove 303 by the third punch, forming a circular protrusion at one end, while the fourth punch is punched into the fourth gasket groove 304, forming a circular groove at the other end.

[0035] Furthermore, the male mold assembly is further provided with a punching module, and the female mold assembly is further provided with a punching pad insert 40. The punching module includes a punch rod, and the punching pad insert 40 includes a punching groove 401. The material plate 80 is punched in the punching groove 401 by the punch rod to form circular holes 101 on the two short sides of the closed-loop bracket 10.

[0036] Please refer to Figure 3-4 、 Figure 7As shown, the bending module includes a first pressing block and a second pressing block, and the bending pad insert 50 includes a first pad 501 and a second pad 502. The first pressing block and the second pressing block correspond to the first pad 501 and the second pad 502, respectively. Specifically, the first pressing block and the first pad 501 each include two groups, each group including two. The sheet 80 is stamped onto the first pad 501 by the two groups of first pressing blocks, and the ends are bent 90° to form. The second pressing block and the second pad 502 each include two groups, each group including two. The sheet 80 is further bent 90°, so that the circular protrusion and the circular groove engage and connect to form a closed loop.

[0037] Please refer to Figure 3-4 、 Figure 7 As shown, the cutting module includes a cutting punch, and the cutting pad insert 60 includes a cutting pad groove. The cutting punch corresponds to the cutting pad groove. The cutting punch punches the connection between the two closed loops of the material plate 80 at the cutting pad groove, separating the closed loop bracket 10 from the material plate 80.

[0038] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuous stamping die for a closed-loop bracket, used for stamping a sheet to form a closed-loop bracket, characterized in that: It includes an upper die base, a punch assembly, a die assembly, and a lower die base arranged in sequence from top to bottom, the punch assembly includes a trimming die group, a bending die group, and a cutting die group, the die assembly includes a trimming pad insert, a bending pad insert, and a cutting pad insert, wherein the trimming die group includes a contour cutting punch and a connection cutting punch, the trimming pad insert includes a contour pad groove and a connection pad groove, the contour cutting punch and the connection cutting punch correspond to the contour pad groove and the connection pad groove respectively.

2. The continuous stamping die for the closed-loop stent according to claim 1, characterized in that: The outline cutting punches include four first punches and four second punches, and the outline gasket grooves include four first gasket grooves and four second gasket grooves.

3. The continuous stamping die for the closed-loop stent according to claim 1, characterized in that: The cutting connection part punching knife includes a third punching knife and a fourth punching knife, and the connecting part gasket groove includes a third gasket groove and a fourth gasket groove.

4. The continuous stamping die for the closed-loop stent according to claim 1, characterized in that: The bending module includes a first pressing block and a second pressing block, and the bending pad insert includes a first pad and a second pad, and the first pressing block and the second pressing block correspond to the first pad and the second pad respectively.

5. The continuous stamping die for the closed-loop stent according to claim 1, characterized in that: The cutting module includes a cutting punch, the cutting pad insert includes a cutting pad groove, and the cutting punch corresponds to the cutting pad groove.

6. The continuous stamping die for the closed-loop stent according to claim 1, characterized in that: The male die assembly is further provided with a punching die set, and the female die assembly is further provided with a punching pad insert. The punching die set includes a punch rod, and the punching pad insert includes a punching slot.