Cooling gold bonding wire take-up device

By introducing U-shaped tubes and rectangular holes into the wire collection device, spraying atomized water vapor to cool down, and combining with motor drive winding, the bonding problem of bonded wires is solved, and effective cooling and uniform winding are achieved.

CN223239414UActive Publication Date: 2025-08-19SICHUAN ZHONGBAO TECH CO LTD
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Patent Information

Application Number
CN202422388087.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-08-19
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

The existing wire collection devices lack good cooling equipment, which leads to prone to adhesion of high-temperature bonded alloy wires.

Method used

A wire retraction device including a box, through-hole, cooling mechanism and winding mechanism is designed to cool the bonded alloy wire through a U-shaped tube and rectangular hole, and a motor drives the retracting drum to collect the wire, combining electric push rods and limit rods to ensure uniform winding.

Benefits of technology

It effectively reduces the temperature of the bonded wire during the thread collection, avoids adhesion, and facilitates disassembly and replaces the reel, achieving uniform winding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of take-up devices, in particular to a gold bonding wire take-up device capable of cooling, which comprises a box body, a through hole, a cooling mechanism and a take-up mechanism, the through holes are formed in the left side and the right side of the box body; the cooling mechanism is arranged on the box body and is used for cooling the gold bonding wire; the winding mechanism is arranged on the right side of the box body and is used for winding gold bonding wires; wherein the cooling mechanism comprises a U-shaped pipe, a pipeline and a rectangular hole; the U-shaped pipe is arranged in the box body, the pipeline is arranged at the end of the U-shaped pipe in a communicating mode, and the rectangular hole is formed in the pipeline. The gold bonding wire passes through the box body from left to right, the atomizer is started to atomize water, the atomized water mist flows into the pipeline through the L-shaped pipe and the U-shaped pipe and then is sprayed out from the rectangular hole to cool the gold bonding wire, so that the temperature of the gold bonding wire during wire winding is reduced, and the adhesion phenomenon of the high-temperature gold bonding wire is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of wire take-up devices, in particular to a bonding gold wire take-up device capable of reducing temperature. Background Art

[0002] Gold bonding wire generally refers to gold ball welding wire, which is made by burning a small ball at the end of the gold wire with a flame, and then ball welding it to the chip electrode. Gold bonding wire is one of the essential basic materials in the manufacturing process of integrated circuit chips (ICs) and semiconductor discrete devices (diodes, transistors). It is mainly used as inner leads for packaging. Chips are the heart of the microelectronics industry. With the development of science and technology, the types of chips are increasing, and the usage is increasing. Correspondingly, the usage of gold bonding wire is also increasing. For the winding of the gold bonding wire after production, a wire take-up device is required.

[0003] The existing wire-taking device lacks good cooling equipment, and the high-temperature bonding gold wire will cause adhesion. Utility Model Content

[0004] The purpose of the present utility model is to provide a bonding wire take-up device capable of reducing temperature, so as to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A bonding wire winding device capable of cooling down comprises: a box body, a through hole, a cooling mechanism and a winding mechanism; the through holes are provided on the left and right sides of the box body; the cooling mechanism is provided on the box body for cooling down the bonding wire; the winding mechanism is provided on the right side of the box body for winding up the bonding wire; wherein the cooling mechanism comprises: a U-shaped tube, a pipe and a rectangular hole; the U-shaped tube is provided inside the box body, the pipe connection is provided at the end of the U-shaped tube, and the rectangular hole is provided on the pipe, and the bonding wire is passed through the box body from left to right, so that water mist flows from the U-shaped tube into the two pipes and is then sprayed out from the respective rectangular holes to cool the bonding wire, thereby reducing the temperature of the bonding wire during winding up, thereby solving the problem in the prior art that high-temperature bonding wire is prone to adhesion.

[0007] Preferably, the top of the U-shaped tube is connected to an L-shaped tube, one end of the L-shaped tube is provided with an atomizer, and the atomizer is fixedly installed on the top of the box. The L-shaped tube passes through the top of the box. By providing the atomizer, the added water can be converted into atomized water vapor and sprayed out. The mist sprayed by the atomizer flows into the U-shaped tube through the L-shaped tube. A water inlet is provided on the atomizer. Its specific structure is the existing technology.

[0008] Preferably, the winding mechanism includes a motor, a connecting rod and a winding drum, the connecting rod is fixedly installed on the output end of the motor, and the winding drum is detachably connected to one end of the connecting rod. The motor can be used to drive the winding drum to rotate, and the winding drum is detachable from one end of the connecting rod, so as to facilitate the disassembly and replacement of another winding drum, so as to remove the winding drum that has completed the winding.

[0009] Preferably, a support plate is fixedly installed on the right outer wall of the box body, a vertical plate is fixedly installed on the top of the support plate, the motor is fixedly installed on the back of the vertical plate, the connecting rod passes through the vertical plate and is rotatably connected to the vertical plate. The vertical plate is passed through in order to install the motor on it so that the winding drum is at a certain height away from the support plate, and the shapes of the support plate and the vertical plate are both rectangular.

[0010] Preferably, a fixed plate is fixedly installed on the top of the support plate, an electric push rod is fixedly installed on the front of the fixed plate, and the output end of the electric push rod is fixedly connected to the back of the vertical plate. By starting the electric push rod, the vertical plate can be driven to move forward and backward at a certain distance, and the start and stop of the electric push rod is controlled by the controller.

[0011] Preferably, a limit rod is fixedly installed on the top of the support plate, and the limit rod passes through the vertical plate and is slidably connected to the vertical plate. By setting the limit rod, the vertical plate can move back and forth stably. There are two limit rods, which are respectively located on the left and right sides of the winding drum. The setting of the two limit rods improves the stability effect.

[0012] Preferably, an inclined block is provided at the bottom of the inner wall of the box, a drain pipe is provided on the left side of the box, and a control valve is provided on the drain pipe. The inclined block is provided to facilitate the diversion of cooled water to one side, and the control valve is provided to control the opening and closing of the drain pipe.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. Pass the bonding wire through the box from left to right, start the atomizer to atomize water, and the atomized water mist flows into the pipeline through the L-shaped tube and the U-shaped tube, and then sprays out from the rectangular hole to cool the bonding wire, reducing the temperature of the bonding wire during winding and preventing the high-temperature bonding wire from sticking.

[0015] 2. Wind the bonding gold wire on the take-up drum, start the motor to drive the connecting rod to rotate, and the connecting rod drives the take-up drum to take up the cooled bonding gold wire. The take-up drum is easy to disassemble and replace.

[0016] 3. When winding the wire, the electric push rod is started synchronously to drive the vertical plate to move back and forth, and the vertical plate drives the winding drum to move back and forth, so that the bonding gold wire is evenly wound on the winding drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the box of the utility model;

[0019] Figure 3 This is a structural diagram of the winding mechanism of the utility model;

[0020] Figure 4 It is an enlarged view of A of the present utility model.

[0021] In the figure: 1. Box body; 2. Through hole; 3. Cooling mechanism; 301. Atomizer; 302. L-shaped tube; 303. U-shaped tube; 304. Pipe; 305. Rectangular hole; 4. Winding mechanism; 401. Support plate; 402. Vertical plate; 403. Motor; 404. Connecting rod; 405. Winding drum; 5. Limit rod; 6. Electric push rod; 7. Inclined block; 8. Drain pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only 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 efforts are within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "disposed" should be understood in a broad sense. For example, they may refer to fixed connection or disposition, detachable connection or disposition, or integral connection or disposition. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "several" means two or more, unless otherwise specifically defined.

[0026] In the existing technology, bonding gold wire generally refers to ball-bonded gold wire, which is made by burning a small ball at the end of the gold wire with a flame, and then ball-bonding the gold wire to the chip electrode. Bonding gold wire is one of the essential basic materials in the manufacturing process of integrated circuit chips (ICs) and semiconductor discrete devices (diodes, transistors), and is mainly used as inner leads for packaging. Chips are the heart of the microelectronics industry. With the development of science and technology, the types of chips are increasing, and the usage is increasing. Correspondingly, the usage of bonding gold wire is also increasing. For the winding of bonding gold wire after production, a wire take-up device is required.

[0027] like Figure 1-2 As shown, a bonding wire take-up device with cooling capability includes a box body 1, a through hole 2, a cooling mechanism 3 and a winding mechanism 4; the through hole 2 is provided on the left and right sides of the box body 1; the cooling mechanism 3 is provided on the box body 1 for cooling the bonding wire; the winding mechanism 4 is provided on the right side of the box body 1 for winding the bonding wire; wherein, the cooling mechanism 3 includes: a U-shaped tube 303, a pipe 304 and a rectangular hole 305; the U-shaped tube 303 is provided inside the box body 1, the pipe 304 is connected to the end of the U-shaped tube 303, and the rectangular hole 305 is provided on the pipe 304.

[0028] Specifically, by passing the bonding gold wire through the box 1 from left to right, the water mist flows from the U-shaped tube 303 into the two pipes 304, and then is sprayed out from the respective rectangular holes 305 to cool the bonding gold wire, thereby reducing the temperature of the bonding gold wire during winding, and solving the problem in the prior art that the high-temperature bonding gold wire is prone to adhesion. The two pipes 304 are arranged relative to each other to improve the effect of cooling the bonding gold wire.

[0029] like Figure 1 As shown, the top of the U-shaped tube 303 is connected to the L-shaped tube 302, one end of the L-shaped tube 302 is provided with an atomizer 301, and the atomizer 301 is fixedly installed on the top of the box 1, and the L-shaped tube 302 passes through the top of the box 1.

[0030] Specifically, by providing the atomizer 301 , the added water can be converted into atomized water vapor and sprayed out, and by providing the L-shaped tube 302 , the atomized water can be guided to the U-shaped tube 303 .

[0031] like Figure 3-4As shown, the winding mechanism 4 includes a motor 403, a connecting rod 404 and a winding drum 405. The connecting rod 404 is fixedly installed at the output end of the motor 403, and the winding drum 405 is detachably connected to one end of the connecting rod 404. By setting the motor 403, the winding drum 405 can be driven to rotate. A support plate 401 is fixedly installed on the right outer wall of the box body 1, and a vertical plate 402 is fixedly installed on the top of the support plate 401. The motor 403 is fixedly installed on the back side of the vertical plate 402. The connecting rod 404 passes through the vertical plate 402 and is rotatably connected to the vertical plate 402. The vertical plate 402 is passed through in order to install the motor 403 on it.

[0032] Specifically, the bonding gold wire is wound on the reel 405, the motor 403 is started to drive the connecting rod 404 to rotate, and the connecting rod 404 drives the reel 405 to reel in the cooled bonding gold wire, and the reel 405 is easy to disassemble and replace.

[0033] like Figure 4 As shown, a fixed plate is fixedly installed on the top of the support plate 401, and an electric push rod 6 is fixedly installed on the front of the fixed plate, and the output end of the electric push rod 6 is fixedly connected to the back of the vertical plate 402. By starting the electric push rod 6, the vertical plate 402 can be driven to move forward and backward at a certain distance. A limiting rod 5 is fixedly installed on the top of the support plate 401, and the limiting rod 5 passes through the vertical plate 402 and is slidably connected to the vertical plate 402. By setting the limiting rod 5, the vertical plate 402 can move stably back and forth.

[0034] Specifically, when winding the wire, the electric push rod 6 is synchronously started to drive the vertical plate 402 to move forward and backward, and the vertical plate 402 drives the winding drum 405 to move forward and backward, so that the bonding gold wire is evenly wound on the winding drum 405.

[0035] like Figure 2 As shown, an inclined block 7 is provided at the bottom of the inner wall of the box body 1, and a drain pipe 8 is provided on the left side of the box body 1, and a control valve is provided on the drain pipe 8. The inclined block 7 is provided to facilitate the diversion of cooled water to one side.

[0036] Specifically, the water formed by the water mist can be guided to the drain pipe 8 through the inclined block 7, and the water formed after cooling can be discharged by opening the control valve.

[0037] It is worth noting that how the atomizer 301 in the embodiment sprays water mist, and the motor 403 and the electric push rod 6 are controlled by the controller are all existing technologies and are not the main innovations, and will not be described in detail here.

[0038] The working principle of the present invention is as follows: by passing the bonding gold wire through the box body 1 from left to right, the atomizer 301 is started to atomize water, and the atomized water mist flows into the pipe 304 through the L-shaped tube 302 and the U-shaped tube 303, and then is sprayed out from the rectangular hole 305 to cool the bonding gold wire, thereby reducing the temperature of the bonding gold wire during winding and preventing the high-temperature bonding gold wire from sticking; the water formed by the water mist can be led to the drain pipe 8 through the inclined block 7, and the water formed after cooling can be discharged by opening the control valve; the bonding gold wire is wound on the winding drum 405, the motor 403 is started to drive the connecting rod 404 to rotate, and the connecting rod 404 drives the winding drum 405 to wind up the cooled bonding gold wire, and the winding drum 405 is easy to disassemble and replace; when winding, the electric push rod 6 is synchronously started to drive the vertical plate 402 to move back and forth, and the vertical plate 402 drives the winding drum 405 to move back and forth, so that the bonding gold wire is evenly wound on the winding drum 405.

[0039] 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 bonding wire take-up device capable of cooling, characterized in that: include: Box body (1), through hole (2), cooling mechanism (3) and winding mechanism (4); The through holes (2) are provided on the left and right sides of the box body (1); The cooling mechanism (3) is arranged on the box (1) and is used for cooling the bonding wire; The winding mechanism (4) is arranged on the right side of the box (1) and is used for winding the bonding wire; Wherein, the cooling mechanism (3) comprises: a U-shaped tube (303), a pipe (304) and a rectangular hole (305); The U-shaped tube (303) is arranged inside the box (1), the pipe (304) is arranged in communication with the end of the U-shaped tube (303), and the rectangular hole (305) is opened on the pipe (304).

2. The bonding wire take-up device capable of cooling according to claim 1, characterized in that: The top of the U-shaped tube (303) is connected to an L-shaped tube (302), one end of the L-shaped tube (302) is provided with an atomizer (301), and the atomizer (301) is fixedly installed on the top of the box (1), and the L-shaped tube (302) passes through the top of the box (1).

3. The bonding wire take-up device capable of cooling according to claim 1, characterized in that: The winding mechanism (4) comprises a motor (403), a connecting rod (404) and a winding drum (405), wherein the connecting rod (404) is fixedly mounted on the output end of the motor (403), and the winding drum (405) is detachably connected to one end of the connecting rod (404).

4. The bonding wire take-up device capable of cooling according to claim 3, characterized in that: A support plate (401) is fixedly mounted on the right outer wall of the box body (1), a vertical plate (402) is fixedly mounted on the top of the support plate (401), the motor (403) is fixedly mounted on the back of the vertical plate (402), and the connecting rod (404) passes through the vertical plate (402) and is rotatably connected to the vertical plate (402).

5. The bonding wire take-up device capable of cooling according to claim 4, characterized in that: A fixing plate is fixedly mounted on the top of the support plate (401), an electric push rod (6) is fixedly mounted on the front of the fixing plate, and an output end of the electric push rod (6) is fixedly connected to the back of the vertical plate (402).

6. The bonding wire take-up device capable of cooling according to claim 5, characterized in that: A limiting rod (5) is fixedly mounted on the top of the support plate (401), and the limiting rod (5) passes through the vertical plate (402) and is slidably connected to the vertical plate (402).

7. The bonding wire take-up device capable of cooling according to claim 1, characterized in that: An inclined block (7) is provided at the bottom of the inner wall of the box body (1), and a drainage pipe (8) is provided on the left side of the box body (1), and a control valve is provided on the drainage pipe (8).