Three-in-one pin rapid forming equipment

通过三合一引脚快速成型设备实现熔断器引脚的快速成型,解决了现有技术中高成本和低一致性的问题,提高了生产效率和产品质量。

CN223070332UActive Publication Date: 2025-07-08SUZHOU HUADE ELECTRONIC CO LTD
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Patent Information

Application Number
CN202421408836.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-07-08
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing fuse pin processing requires three processes, which are costly and have low consistency, and the convexity of the K-type structure leads to a short dielectric distance, making it easy to pull the arc twice.

Method used

A three-in-one pin rapid forming equipment is designed, including a pad plate, a product positioning block, a K-type pin forming mechanism, a bending mechanism and a shearing mechanism to achieve the bending and shearing actions of both ends of the pins at one time.

Benefits of technology

Reduce labor costs to one worker, improve product consistency, extend dielectric distance between pins, reduce production processes, improve product yield, and reduce the risk of secondary arc pulling during short circuits.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses three-in-one pin rapid forming equipment, which comprises a backing plate, a product positioning block, a K-type pin forming mechanism, a bending mechanism and a shearing mechanism, the backing plate is provided with the product positioning block used for positioning a fuse, the side end of the product positioning block is provided with an accommodating plane used for placing a product, and the K-type pin forming mechanism is arranged on the accommodating plane. The product positioning block at the upper end of the containing plane protrudes outwards, the protruding part is provided with a concave K-shaped pin mold, the side end of the concave K-shaped pin mold is in butt joint with a K-shaped pin forming mechanism for bending a pin into a K shape, and the front side of the product positioning block is in butt joint with a bending mechanism for bending the pin. And a shearing mechanism for shearing the two pins to be flush is arranged on the rear side of the product positioning block in a butt joint manner. By means of the mode, different bending and shearing actions of pins at the two ends can be carried out only through one-time product positioning, product consistency can be guaranteed, product forming is fast, and labor is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fuse processing, in particular to a three-in-one pin rapid prototyping device. Background Art

[0002] With the continuous updating and development of fuses, the requirements for electrical characteristics, volume, manufacturing process, etc. are getting higher and higher. In order to improve product performance, the pins at both ends of the fuse need to be processed. Figure 1 As shown, the pin processing requirements are as follows: ① Bend the pin at one end into a K-shaped structure; ② Bend the pin at the other end; ③ Cut the pins at both ends flush, such as Figure 2 As shown, it needs to go through three working steps and three workers, which results in high processing cost and low product consistency. In addition, the current K-type structures are mostly convex inward, with a short distance between the two pins and a short dielectric distance (creepage distance) between the two pins, making the product prone to secondary arcing during a short circuit.

[0003] Based on the above defects and shortcomings, it is necessary to improve the existing technology and design a three-in-one pin rapid prototyping equipment. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a three-in-one pin rapid prototyping equipment, which can perform different bending and shearing actions of the pins at both ends with only one product positioning, thereby ensuring product consistency, fast product prototyping and saving labor.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a three-in-one pin rapid prototyping equipment, which includes a pad, a product positioning block, a K-type pin forming mechanism, a bending mechanism and a shearing mechanism. A product positioning block for positioning the fuse is installed on the pad, and a accommodating plane for placing the product is arranged at the side end of the product positioning block. The product positioning block at the upper end of the accommodating plane protrudes outward, and a concave K-foot mold is arranged on the protruding portion. A K-type pin forming mechanism for bending the pin into a K shape is arranged at the side end of the concave K-foot mold, a bending mechanism for bending the pin is arranged at the front side of the product positioning block, and a shearing mechanism for shearing the two pins flush is arranged at the rear side of the product positioning block.

[0006] Preferably, the K-type pin forming mechanism includes a guide block fixed to the pad, a convex K-foot mold movably installed in the guide block, and a quick clamp, and the output end of the quick clamp is movably connected to the tail of the convex K-foot mold through a fisheye bearing, and the head of the convex K-foot mold is opposite to the concave K-foot mold.

[0007] Preferably, the bending mechanism includes a straight pin vertically inserted into the pad and a bending part rotatably mounted on the straight pin, the bending part includes a turntable rotatably mounted on the straight pin and a hand-held part mounted on the turntable, the end face of the fuse is opposite to the straight pin, the lead on the fuse is located between the straight pin and the hand-held part, the height of the hand-held part is higher than the height of the pin, and a support platform consistent with the height of the pin is provided on the hand-held part, the hand-held part is moved to rotate along the straight pin, and the hand-held part drives the pin to bend.

[0008] Preferably, the shearing mechanism includes a lower cutter, a vertical plate, a shearing quick clamp, an upper cutter fixing plate and an upper cutter, the lower cutter is mounted to the rear end of the product positioning block, the vertical plate is mounted with a shearing quick clamp, the output end of the shearing quick clamp is mounted with an upper cutter fixing plate, the upper cutter fixing plate is slidably connected to the vertical plate via a linear slide rail, and the upper cutter fixing plate is mounted with an upper cutter opposite to the lower cutter.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] Only one product positioning is required to perform different bending and shearing actions on the pins at both ends. The number of operators is reduced from 3 to 1, which reduces labor costs, reduces production processes, improves product yield, and ensures product consistency.

[0011] The pins are bent into a convex K shape to lengthen the distance between the two pins, that is, to widen the dielectric distance (creepage distance) between the two pins, thereby reducing the secondary arcing caused by the product during a short circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the incoming material structure before the fuse pin is bent.

[0013] Figure 2 This is a schematic diagram of the structure of a traditional fuse after the pin is bent.

[0014] Figure 3 This is a schematic diagram of the structure of a three-in-one pin rapid prototyping device.

[0015] Figure 4 This is a partial enlarged view of a three-in-one pin rapid prototyping device.

[0016] Figure 5 This is a schematic diagram of a product bent by a three-in-one pin rapid prototyping device.

[0017] Among them, 1. bottom plate, 2. backing plate, 3. product positioning block, 31. accommodating plane, 32. concave K-foot mold, 4. K-type pin forming mechanism, 41. guiding block, 42. convex K-foot mold, 43. quick clamp, 5. bending mechanism, 51. direct pin, 52. bending part, 521. turntable, 522. handheld part, 5220. supporting platform, 6. shearing mechanism, 61. lower cutting knife, 62. vertical plate, 63. shearing quick clamp, 64. upper cutting knife fixing plate, 65. upper cutting knife. Detailed implementation mode

[0018] The following elaborates on the preferred embodiments of the present utility model in conjunction with the accompanying drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model.

[0019] Please refer to Figures 3 to 5 , the embodiments of the present utility model include:

[0020] A three-in-one pin rapid forming device, which includes a bottom plate 1, a backing plate 2, a product positioning block 3, a K-type pin forming mechanism 4, a bending mechanism 5 and a shearing mechanism 6. A backing plate 2 is installed on the bottom plate 1, and a product positioning block 3 for positioning a fuse is installed on the backing plate 2. A accommodating plane 31 for placing the product is arranged at the side end of the product positioning block 3. The product positioning block 3 at the upper end of the accommodating plane 31 protrudes outward, and a concave K-foot mold 32 is arranged on the protruding part. A K-type pin forming mechanism 4 for bending the pins into a K shape is arranged at the side end of the concave K-foot mold 32 in a butt-jointed manner. A bending mechanism 5 for bending the pins is arranged at the front side of the product positioning block 3 in a butt-jointed manner. A shearing mechanism 6 for shearing two pins flush is arranged at the rear side of the product positioning block 3 in a butt-jointed manner.

[0021] The K-type pin forming mechanism 4 includes a guiding block 41 fixed to the backing plate 2, a convex K-foot mold 42 movably inserted into the guiding block 41, and a quick clamp 43 arranged on the bottom plate 1. The output end of the quick clamp 43 is movably connected to the tail of the convex K-foot mold 42 through a spherical bearing. The head of the convex K-foot mold 42 faces the concave K-foot mold 32, and the convex K-foot mold 42 and the concave K-foot mold 32 can be butted to bend the pins into a K shape.

[0022] The bending mechanism 5 includes a straight pin 51 vertically inserted into the pad 2 and a bending part 52 rotatably mounted on the straight pin 51. The bending part 52 includes a turntable 521 rotatably mounted on the straight pin 51 and a hand-held part 522 mounted on the turntable 521. The end face of the fuse is opposite to the straight pin 51. The lead on the fuse is located between the straight pin 51 and the hand-held part 522. The height of the hand-held part 522 is higher than the height of the pin. A support platform 5220 consistent with the height of the pin is provided on the hand-held part 522. The hand-held part 522 is moved to rotate along the straight pin 51, and the hand-held part 522 drives the pin to bend.

[0023] The shearing mechanism 6 includes a lower cutter 61, a vertical plate 62, a shearing quick clamp 63, an upper cutter fixing plate 64 and an upper cutter 65. The lower cutter 61 is installed at the rear end of the product positioning block 3, the vertical plate 62 is vertically installed on the bottom plate 1, the vertical plate 62 is installed with a shearing quick clamp 63, the output end of the shearing quick clamp 63 is installed with an upper cutter fixing plate 64, the upper cutter fixing plate 64 is slidably connected to the vertical plate 62 through a linear slide rail, and the upper cutter fixing plate 64 is installed with an upper cutter 65 opposite to the lower cutter 61.

[0024] When the three-in-one pin rapid prototyping device of the utility model is working, the product fuse is placed on the side end of the product positioning block 3, the fuse is in contact with the accommodating plane 31, the upper and lower end surfaces of the fuse are against the concave K-foot mold 32 and the straight pin 51, the product is positioned, the quick clamp 43 is operated to drive the convex K-foot mold 42 to move toward the concave K-foot mold 32, the pin at one end of the fuse is bent into a convex K-shape, the quick clamp 43 retreats, the handheld part 522 is turned to rotate along the straight pin 51, the handheld part 522 drives the pin at the other end of the fuse to rotate and bend along the straight pin 51 until the pin is bent close to the K-shaped pin end, the bending mechanism 5 is reset, the shear quick clamp 63 is operated to drive the upper cutter 65 to move downward, and the upper cutter 65 and the lower cutter 61 cut the two pins flat.

[0025] The utility model discloses a three-in-one pin rapid prototyping device, which can perform different bending and shearing actions of pins at both ends with only one product positioning, thereby ensuring product consistency, reducing labor costs, reducing production processes, and improving product yield.

[0026] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A three-in-one pin rapid prototyping device, characterized in that: It includes a pad, a product positioning block, a K-type pin forming mechanism, a bending mechanism and a shearing mechanism. The pad is equipped with a product positioning block for positioning the fuse. The side end of the product positioning block is provided with a accommodating plane for placing the product. The product positioning block at the upper end of the accommodating plane protrudes outward, and the protruding part is provided with a concave K-foot mold. The side end of the concave K-foot mold is connected to a K-type pin forming mechanism for bending the pin into a K shape. The front side of the product positioning block is connected to a bending mechanism for bending the pin. The rear side of the product positioning block is connected to a shearing mechanism for shearing two pins flush.

2. The one-piece pin rapid prototyping device according to claim 1, wherein: The K-type pin forming mechanism includes a guide block fixed to a pad, a convex K-foot mold movably installed in the guide block, and a quick clamp. The output end of the quick clamp is movably connected to the tail of the convex K-foot mold through a fisheye bearing, and the head of the convex K-foot mold is opposite to the concave K-foot mold.

3. A three-in-one pin rapid prototyping device according to claim 1, characterized in that: The bending mechanism includes a straight pin vertically inserted into the pad and a bending part rotatably mounted on the straight pin, the bending part includes a turntable rotatably mounted on the straight pin and a hand-held part mounted on the turntable, the end face of the fuse is opposite to the straight pin, the lead on the fuse is located between the straight pin and the hand-held part, the height of the hand-held part is higher than the height of the pin, and a support platform consistent with the height of the pin is provided on the hand-held part. The hand-held part is moved to rotate along the straight pin, and the hand-held part drives the pin to bend.

4. A three-in-one pin rapid prototyping device according to claim 1, characterized in that: The shearing mechanism includes a lower cutter, a vertical plate, a shearing quick clamp, an upper cutter fixing plate and an upper cutter. The lower cutter is installed at the rear end of the product positioning block, the vertical plate is installed with a shearing quick clamp, the output end of the shearing quick clamp is installed with an upper cutter fixing plate, the upper cutter fixing plate is slidably connected to the vertical plate through a linear slide rail, and the upper cutter fixing plate is installed with an upper cutter opposite to the lower cutter.