Cutting positioning device for bonding wire processing

By designing a bond wire cutting positioning device including a base plate, a bracket, a cylinder and a slide, the problems of low cutting efficiency and inaccuracy caused by the lack of positioning devices in the prior art are solved, and more efficient and accurate bonding is achieved Wire cut.

CN222159207UActive Publication Date: 2024-12-13CHENXIN ELECTRONIC MATERIALS (SHANGHAI) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420917195.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2024-12-13
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The existing bonded wire cutting devices lack positioning devices, resulting in low and inaccurate cutting efficiency of fixed length, affecting the quality of bonded wire.

Method used

A cutting positioning device including a base plate, a bracket, a cylinder, a cutter, a slide plate and a plug rod is designed to accurately cut the bonding wire through a motor-driven spring and a winding roller, and to cut it using a slide rail and a cylinder. Movement positioning of the knife.

Benefits of technology

It improves the accuracy and efficiency of the cutting of bonded wire, ensures the accuracy and quality of fixed length, and facilitates the processing of bonded wire.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222159207U_ABST
    Figure CN222159207U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of bonding wire processing, and discloses a cutting positioning device for bonding wire processing, which comprises a bottom plate, a support III is fixedly arranged at the top of the bottom plate, an air cylinder II is fixedly arranged on the support III, a fixed plate is fixedly arranged at the extension end of the air cylinder II, a winding part is arranged on the bottom plate, and a cutting part is arranged on the winding part. The winding part comprises a supporting plate, the supporting plate is fixedly installed on the top of the bottom plate, a bearing is fixedly installed on the inner wall of the supporting plate, a motor is fixedly installed on the outer wall of the supporting plate, an output shaft is fixedly installed on the inner wall of the motor, and a first spring is fixedly connected to the output shaft. A second support is arranged on the bottom plate in a sliding mode, a first air cylinder is installed on the second support, a cutter is installed below the first air cylinder, a sliding plate is installed on the second support, an insertion rod is connected to the sliding plate in an inserted mode, and the whole sliding plate is convenient to move to adjust and cut the bonding wire.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of bonding wire processing, in particular to a cutting and positioning device for bonding wire processing. Background Art

[0002] As the inner lead for packaging, bonding wire is one of the essential basic materials in the manufacturing process of integrated circuits and semiconductor discrete devices. Copper-based bonding wire is an inner lead material with excellent electrical, thermal, mechanical properties and chemical stability. It has good electrical conductivity and thermal conductivity. Copper-based bonding wire is based on copper and added with a small amount of alloy material. It has higher conduction efficiency and mechanical properties than traditional copper wire. It has greater tensile strength and better elongation than traditional copper wire, and has higher arc stability. In order to prevent oxidation of copper-based bonding wire, anti-oxidation coating is usually applied on the surface of copper-based bonding wire. The existing anti-oxidation copper-based bonding wire has a variety of functions to meet the various needs of people and achieve diversification.

[0003] In the prior art, a cutting device is usually required to be used for cutting bonding wires during production. However, due to the lack of a positioning device in the cutting device in the prior art, the cutting length is often performed manually when cutting to a fixed length. This method not only has a low cutting length efficiency, but also easily leads to inaccurate cutting length, thus affecting the quality of the bonding wire. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a cutting and positioning device for bonding wire processing. The advantages of the utility model are that a slide rail is installed on a bottom plate, a bracket 2 is slidably arranged on the bottom plate, a cylinder 1 is installed on the bracket 2, and a cutter is installed below the cylinder, a slide plate is installed on the bracket 2, a plug rod is plugged into the slide plate, and the slide plate as a whole can be easily moved to adjust and cut the bonding wire.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting and positioning device for bonding wire processing, comprising a base plate, a bracket three is fixedly installed on the top of the base plate, a cylinder two is fixedly installed on the bracket three, a fixing plate is fixedly installed on the extending end of the cylinder two, a winding portion is provided on the base plate, the winding portion comprises a support plate, the support plate is fixedly installed on the top of the base plate, a bearing is fixedly installed on the inner wall of the support plate, a motor is fixedly installed on the outer wall of the support plate, an output shaft is fixedly installed on the inner wall of the motor, a spring one is fixedly connected to the output shaft, a connecting block is fixedly connected to the extending end of the spring one, and a fixing rod is fixedly installed on the connecting block.

[0008] Preferably, a winding roller is inserted into the extended end of the fixed rod, and the other end of the winding roller is inserted into the fixed rod on the bearing.

[0009] Preferably, a guide portion is provided on the support plate, and the guide portion includes a bracket 1 fixedly mounted on the support plate, a spring 2 is fixedly connected to the inner wall of the bracket 1, and an extending end of the spring 2 is fixedly connected to a fixing block.

[0010] Preferably, the number of the second springs and the fixing blocks is several groups and they are symmetrically arranged at equal intervals, and the inner surface of the fixing block is arc-shaped.

[0011] Preferably, a slide rail is fixedly installed on the top of the base plate, and an adjustment part is provided on the base plate, the adjustment part includes a bracket 2, the bracket 2 is slidably connected to the outer wall of the slide rail installed on the base plate, a cylinder 1 is fixedly installed on the bracket 2, a cutter is fixedly installed on the bottom of the cylinder 1, a slide plate is fixedly installed on one side of the outer wall of the bracket 2, a fixing hole is opened on the top of the base plate, a plug rod is inserted into the top of the slide plate, and the extending end of the plug rod is inserted into the fixing hole.

[0012] Preferably, the insertion rod and the fixing hole are both hexagonal, and the number of the fixing holes is symmetrically arranged in several groups. A slide plate is installed on the second bracket, and the slide plate is plugged with the insertion rod, and the slide plate as a whole can be easily moved to adjust and cut the bonding wire.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a cutting and positioning device for bonding wire processing, which has the following beneficial effects:

[0015] 1. A cutting and positioning device for bonding wire processing is provided, wherein a spring 1 is connected to the output shaft of a motor, and a connecting block is connected to the spring 1, a fixing rod is installed on the connecting block, and a winding roller is inserted on the fixing rod, so that the winding roller is fixed under the action of the spring 1, thereby facilitating the overall disassembly of the winding roller.

[0016] 2. A cutting and positioning device for bonding wire processing is provided by installing a slide rail on a bottom plate, and a bracket 2 is slidably provided on the bottom plate, a cylinder 1 is installed on the bracket 2, and a cutter is installed under the cylinder, a slide plate is installed on the bracket 2, and a rod is inserted on the slide plate, and the slide plate as a whole can be conveniently moved to adjust and cut the bonding wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the utility model.

[0021] In the figure: 1. bottom plate; 21. winding part; 211. support plate; 212. bearing; 213. winding roller; 214. motor; 215. output shaft; 216. spring 1; 217. connecting block; 218. fixing rod; 22. guide part; 221. bracket 1; 222. spring 2; 223. fixing block; 23. adjusting part; 231. bracket 2; 232. cylinder 1; 234. slide plate; 235. plug rod; 236. fixing hole; 3. bracket 3; 4. cylinder 2; 5. fixing plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Example 1

[0024] like Figure 1-3As shown, the utility model provides a cutting and positioning device for bonding wire processing, including a bottom plate 1, a bracket 3 3 is fixedly installed on the top of the bottom plate 1, a cylinder 2 4 is fixedly installed on the bracket 3 3, a fixing plate 5 is fixedly installed on the extended end of the cylinder 2 4, a winding portion 21 is arranged on the bottom plate 1, and the winding portion 21 includes a support plate 211, the support plate 211 is fixedly installed on the top of the bottom plate 1, a bearing 212 is fixedly installed on the inner wall of the support plate 211, a motor 214 is fixedly installed on the outer wall of the support plate 211, an output shaft 215 is fixedly installed on the inner wall of the motor 214, a spring 216 is fixedly connected to the output shaft 215, and the extension end of the spring 216 is fixedly installed. The extended end is fixedly connected with a connecting block 217, and a fixing rod 218 is fixedly installed on the connecting block 217. The extended end of the fixing rod 218 is plugged with a winding roller 213, and the other end of the winding roller 213 is plugged into the fixing rod 218 on the bearing 212. A guide portion 22 is provided on the support plate 211, and the guide portion 22 includes a bracket 1 221 fixedly installed on the support plate 211, and a spring 222 is fixedly connected to the inner wall of the bracket 1 221, and a fixing block 223 is fixedly connected to the extended end of the spring 222. The number of the spring 222 and the fixing block 223 is several groups and is symmetrically arranged at equal intervals, and the inner surface of the fixing block 223 is opened in an arc shape.

[0025] In this embodiment, by installing a bracket 221 on the support plate 211, a spring 222 is fixedly connected to the inner wall of the bracket 1, and a fixing block 223 is connected to the spring 222, so that the bonding wire can be fixed and limited.

[0026] Example 2

[0027] like Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: a slide rail is fixedly installed on the top of the base plate 1, and an adjusting part 23 is arranged on the base plate 1, the adjusting part 23 includes a bracket 231, the bracket 231 is slidably connected to the outer wall of the slide rail installed on the base plate 1, a cylinder 232 is fixedly installed on the bracket 231, a cutter is fixedly installed on the bottom of the cylinder 232, a slide plate 234 is fixedly installed on one side of the outer wall of the bracket 231, a fixing hole 236 is opened on the top of the base plate 1, a plug rod 235 is inserted on the top of the slide plate 234, an extended end of the plug rod 235 is inserted in the fixing hole 236, the plug rod 235 and the fixing hole 236 are both hexagonally arranged, and the number of the fixing holes 236 is symmetrically arranged in several groups, by installing the slide plate 234 on the bracket 231, and the slide plate 234 is plugged with the plug rod 235, and the slide plate 234 is convenient to move as a whole to adjust and cut the bonding wire.

[0028] In this embodiment, a slide plate 234 is installed on the bracket 231, and a plug rod 235 is plugged into the slide plate 234, and the slide plate 234 is conveniently moved as a whole to adjust and cut the bonding wire.

[0029] The working principle of the cutting and positioning device for bonding wire processing will be described in detail below.

[0030] like Figure 1-3 As shown, when in use, a support plate 211 is installed on the bottom plate 1, a motor 214 is installed on the support plate 211, a spring 216 is connected to the output shaft 215 of the motor 214, and a connecting block 217 is connected to the spring 216, a fixing rod 218 is installed on the connecting block 217, and a winding roller 213 is plugged into the fixing rod 218, so that the winding roller 213 is fixed under the action of the spring 216, so that the winding roller 213 is convenient to disassemble as a whole, and a bracket 221 is installed on the support plate 211, and a bracket 221 is installed on the support plate 211. The inner wall of the support 1 is fixedly connected with a spring 222, and a fixed block 223 is connected to the spring 222, so that the bonding wire can be fixed and limited to prevent the bonding wire from falling off. A slide rail is installed on the base plate 1, and a bracket 231 is slidably arranged on the base plate 1, a cylinder 1 232 is installed on the bracket 231, and a cutter is installed under the cylinder 1 232. A slide plate 234 is installed on the bracket 231, and a rod 235 is inserted on the slide plate 234, and the slide plate 234 is convenient to move as a whole to adjust and cut the bonding wire.

Claims

1. A cutting and positioning device for bonding wire processing, comprising a base plate (1), characterized in that: A bracket three (3) is fixedly mounted on the top of the base plate (1), a cylinder two (4) is fixedly mounted on the bracket three (3), a fixing plate (5) is fixedly mounted on the extended end of the cylinder two (4), a winding portion (21) is provided on the base plate (1), the winding portion (21) comprises a support plate (211), the support plate (211) is fixedly mounted on the top of the base plate (1), a bearing (212) is fixedly mounted on the inner wall of the support plate (211), a motor (214) is fixedly mounted on the outer wall of the support plate (211), an output shaft (215) is fixedly mounted on the inner wall of the motor (214), a spring one (216) is fixedly connected to the output shaft (215), a connecting block (217) is fixedly connected to the extended end of the spring one (216), and a fixing rod (218) is fixedly mounted on the connecting block (217).

2. A cutting and positioning device for bonding wire processing according to claim 1, characterized in that: The extended end of the fixed rod (218) is plugged with a winding roller (213), and the other end of the winding roller (213) is plugged with the fixed rod on the bearing (212).

3. The cutting and positioning device for bonding wire processing according to claim 1, characterized in that: The support plate (211) is provided with a guide portion (22), the guide portion (22) comprising a bracket 1 (221) fixedly mounted on the support plate (211), a spring 2 (222) fixedly connected to the inner wall of the bracket 1 (221), and a fixed block (223) fixedly connected to the extended end of the spring 2 (222).

4. A cutting and positioning device for bonding wire processing according to claim 3, characterized in that: The number of the second springs (222) and the fixing blocks (223) is a plurality of groups which are symmetrically arranged at equal intervals, and the inner surface of the fixing block (223) is arc-shaped.

5. The cutting and positioning device for bonding wire processing according to claim 1, characterized in that: A slide rail is fixedly mounted on the top of the base plate (1), and an adjusting portion (23) is provided on the base plate (1), the adjusting portion (23) comprising a second bracket (231), the second bracket (231) being slidably connected to the outer wall of the slide rail mounted on the base plate (1), a first cylinder (232) being fixedly mounted on the second bracket (231), a cutter being fixedly mounted on the bottom of the first cylinder (232), a slide plate (234) being fixedly mounted on one side of the outer wall of the second bracket (231), a fixing hole (236) being provided on the top of the base plate (1), a plug rod (235) being inserted into the top of the slide plate (234), and an extended end of the plug rod (235) being inserted into the fixing hole (236).

6. A cutting and positioning device for bonding wire processing according to claim 5, characterized in that: The insertion rods (235) and the fixing holes (236) are both arranged in a hexagonal shape, and the number of the fixing holes (236) is symmetrically arranged in a plurality of groups.