Electrolytic cleaning device
By designing an electrolytic cleaning device, the graphite coating and grease on the tungsten wire or bonded wire is removed by using electrolyte, acid and ultrasonic cleaning solution, the problem of effective cleaning of the existing technology is solved and the surface cleaning of the metal wire is improved degree and performance.
Patent Information
- Application Number
- CN202420873935.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-24
AI Technical Summary
The prior art cannot effectively remove graphite coatings, burrs and grease on tungsten wires or bonded wires, affecting their performance.
An electrolytic cleaning device was designed, including an electrolytic cell, a pickling tank, a water tank and an ultrasonic cleaning tank. The graphite coating layer, burrs and grease were removed by using electrolyte, acid and cleaning solution, and polished metal wires were cleaned by ultrasonic cleaning. .
The surface of tungsten wire or bonded wire is achieved to improve its performance, roundness and electrical physical properties.
Smart Images
Figure CN222160456U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of new energy, in particular to an electrolytic stripping and cleaning device for cutting photovoltaic single crystal silicon and polycrystalline silicon slice tungsten wire cutting wire. Background Art
[0002] Tungsten wire is a filament made of tungsten metal or other materials. It has high temperature, high strength, high electrical conductivity, high thermal conductivity and good plasticity. It is widely used in new energy photovoltaic polysilicon single crystal silicon wafer cutting, electronics, electrical, communications, automobiles, aerospace and medical fields. Among them, bonding wire is most widely used in the semiconductor industry. It is an important component of semiconductor chips and can realize the electrical connection and mechanical support between chips and packages. In addition, bonding wire is also used in LED displays, solar panels, LCD screens and other fields, making these products have higher performance and quality. However, this type of metal wire is very easy to stick to graphite, grease and other debris, which will affect the use of the metal wire. There is currently no good metal wire cleaning device. Utility Model Content
[0003] In order to solve the problems in the above-mentioned background technology, the utility model provides an electrolytic cleaning device for cleaning metal wires, and solves the problem of debris adhesion on the metal wires in the prior art.
[0004] The utility model solves the technical problem by adopting the following scheme: an electrolytic cleaning device, comprising a pay-off wheel, a take-up wheel, an electrolytic cell for electrolytically removing a graphite coating layer and metal powder on a metal wire, a pickling tank for removing burrs and grease on the metal wire, a clean water tank for removing acid on the metal wire, an ultrasonic cleaning tank for cleaning the metal wire, and an adjustable power supply, wherein the pay-off wheel, the take-up wheel, the electrolytic cell, the pickling tank, the clean water tank, and the ultrasonic cleaning tank are arranged side by side in sequence, the two ends of the metal wire are respectively wound around the pay-off wheel and the take-up wheel, and the electrolytic cell, the pickling tank, the clean water tank, and the ultrasonic cleaning tank are respectively arranged There are wire threading holes for metal wires. The rotation of the take-up wheel can drive the metal wire on the pay-off wheel to pass through the wire threading holes in the electrolytic cell, the pickling tank, the clean water tank, and the ultrasonic cleaning tank in turn, and then be wound around the take-up wheel. The electrolytic cell contains electrolyte, the pickling tank contains acid, the clean water tank contains clean water, and the ultrasonic cleaning tank contains cleaning liquid. The metal wire is immersed in the electrolyte in the electrolytic cell, the acid in the pickling tank, the clean water in the clean water tank, and the cleaning liquid in the ultrasonic cleaning tank respectively. The electrolytic cell is provided with a cathode and an anode for electrolysis, the cathode and the anode are immersed in the electrolyte, and an adjustable power supply is electrically connected to the cathode and the anode.
[0005] The above structure also includes a wire-taking motor, which is in driving connection with the wire-taking wheel, and the wire-taking motor can drive the wire-taking wheel to rotate.
[0006] The above structure also includes a first wire wheel, which is arranged between the pay-off wheel and the electrolytic cell, and the lower edge of the first wire wheel is tangent to the upper edge of the wire threading hole on the electrolytic cell.
[0007] The above structure also includes a second wire wheel, which is arranged between the wire take-up wheel and the ultrasonic cleaning tank, and the lower edge of the second wire wheel is tangent to the upper edge of the wire threading hole on the ultrasonic cleaning tank.
[0008] In the above structure, the cleaning liquid in the ultrasonic cleaning tank is added with a dispersant and / or a penetrant and / or a motive agent and / or a surfactant and / or a detergent.
[0009] In the above structure, the metal wire is electrically connected to the anode, the cathode is placed in the electrolyte, and the anode is placed in the electrolyte.
[0010] In the above structure, the metal wire is set to be a tungsten wire, a bonding wire, a molybdenum wire or a titanium wire.
[0011] The beneficial effects of the utility model are as follows: by arranging an electrolytic cell, a pickling cell, a clean water cell and an ultrasonic cleaning cell, the graphite coating on the tungsten wire or the bonding wire can be electrolytically stripped and removed, burrs and grease on the tungsten wire or the bonding wire can be removed, acid on the tungsten wire or the bonding wire can be removed, and the tungsten wire or the bonding wire can be ultrasonically cleaned and electropolished, so that the surface of the tungsten wire or the bonding wire is clean and smooth without any debris residue, thereby improving the use performance of the tungsten wire or the bonding wire, and improving the roundness, electrical properties and physical properties of the tungsten wire or the bonding wire.
[0012] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional diagram of the utility model.
[0014] In the figure: 1. pay-off wheel; 2. take-up wheel; 3. electrolytic cell; 4. pickling tank; 5. clean water tank; 6. ultrasonic cleaning tank; 7. metal wire; 8. wire threading hole; 9. take-up motor; 10. cathode; 11. anode. DETAILED DESCRIPTION
[0015] In order to make the content of the utility model more clearly understood, the utility model is further described below based on specific embodiments in combination with the accompanying drawings.
[0016] It should be noted that the terms "center", "upper", "lower", "front", "back", "left", "right", "inner", "outer" and the like used herein to indicate directions or positional relationships are based on directions or positional relationships shown in the accompanying drawings, and 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, and therefore cannot be understood as limiting the present invention. Unless otherwise specified, "plurality" means two or more.
[0017] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood by specific circumstances.
[0018] Referring to the accompanying drawings, an electrolytic cleaning device includes a pay-off wheel 1, a take-up wheel 2, an electrolytic cell 3 for electrolytically removing a graphite coating layer and metal powder on a metal wire 7, a pickling tank 4 for removing burrs and grease on the metal wire 7, a clean water tank 5 for removing acid from the metal wire 7, and an ultrasonic cleaning tank 6 for cleaning the metal wire 7, wherein the pay-off wheel 1, the take-up wheel 2, the electrolytic cell 3, the pickling tank 4, the clean water tank 5, and the ultrasonic cleaning tank 6 are arranged side by side in sequence, and both ends of the metal wire 7 are respectively wound around the pay-off wheel 1 and the take-up wheel 2, and the electrolytic cell 3, the pickling tank 4, the clean water tank 5, and the ultrasonic cleaning tank 6 are respectively provided with a wire threading hole 8 for the metal wire 7, and the take-up wheel 2 The rotation can drive the metal wire 7 on the pay-off wheel 1 to pass through the wire threading holes 8 on the electrolytic cell 3, the pickling tank 4, the clean water tank 5, and the ultrasonic cleaning tank 6 in sequence, and then be wound around the take-up wheel 2. The electrolytic cell 3 is filled with electrolyte, the pickling tank 4 is filled with acid, the clean water tank 5 is filled with clean water, and the ultrasonic cleaning tank 6 is filled with electrolyte. The metal wire 7 is immersed in the electrolyte in the electrolytic cell 3, the acid in the pickling tank 4, the clean water in the clean water tank 5, and the cleaning liquid in the ultrasonic cleaning tank 6. The electrolytic cell 3 is provided with a cathode 10 and an anode 11 for electrolysis so as to be connected to a power supply. The cathode 10 and the anode 11 are immersed in the electrolyte, and an adjustable power supply is electrically connected to the cathode 10 and the anode 11.
[0019] Furthermore, the metal wire is configured as a tungsten wire, a bonding wire, a molybdenum wire, or a titanium wire.
[0020] Furthermore, it also includes a wire-taking motor 9, which is connected to the wire-taking wheel 2 in a transmission manner, and the wire-taking motor 9 can drive the wire-taking wheel 2 to rotate. The wire-taking motor 9 is a low-speed motor. The device can be manual or automatic.
[0021] Furthermore, it also includes a first wire wheel, which is arranged between the pay-off wheel 1 and the electrolytic cell 3, and the lower edge of the first wire wheel is tangent to the upper edge of the wire hole 8 on the electrolytic cell 3 to prevent the change of the winding radius of the metal wire 7 on the pay-off wheel 1 from causing the metal wire 7 to cut the wire hole 8 on the electrolytic cell 3.
[0022] Furthermore, the electrolytic cell 3 is provided with a power supply, a cathode, and an anode, wherein the metal wire 7 is electrically connected to the anode, the cathode is placed in the electrolyte, and the anode is placed in the electrolyte.
[0023] Furthermore, it also includes a second wire wheel, which is arranged between the take-up wheel 2 and the ultrasonic cleaning tank 6. The lower edge of the second wire wheel is tangent to the upper edge of the wire threading hole 8 on the ultrasonic cleaning tank 6 to prevent the change of the winding radius of the metal wire 7 on the take-up wheel 2 from causing the metal wire 7 to cut the ultrasonic cleaning tank 6.
[0024] Furthermore, the cleaning liquid in the ultrasonic cleaning tank 6 is added with a dispersant and / or a penetrant and / or a motive agent and / or a surfactant and / or a detergent.
[0025] The utility model is provided with an electrolytic cell 3, a pickling cell 4, a clean water cell 5, and an ultrasonic cleaning cell 6, so that the graphite coating on the tungsten wire or bonding wire can be electrolytically stripped and removed, burrs and grease on the tungsten wire or bonding wire can be removed, acid on the tungsten wire or bonding wire can be removed, and the tungsten wire or bonding wire can be ultrasonically cleaned and electrolytically polished, so that the surface of the tungsten wire or bonding wire is clean and smooth without any debris residue, thereby improving the performance of the tungsten wire or bonding wire, and improving the roundness, electrical properties, and physical properties of the tungsten wire or bonding wire. The metal wire 7 can be a bonding wire, or a titanium wire, or a molybdenum wire. Specifically, it has the following beneficial effects:
[0026] 1. By setting an electrolytic cell 3, a pickling cell 4, a clean water cell 5, and an ultrasonic cleaning cell 6, the graphite coating layer on the metal wire 7 can be electrolytically stripped and removed, burrs and grease on the metal wire 7 can be removed, acid on the metal wire 7 can be removed, and the metal wire 7 can be ultrasonically cleaned, so that the metal wire 7 on the take-up wheel 2 is clean and free of debris;
[0027] 2. By setting the wire-reeling motor 9, the wire-reeling can be automatically reeled in;
[0028] 3. By arranging a first wire wheel between the pay-off wheel 1 and the electrolytic cell 3, it is prevented that the change in the winding radius of the metal wire 7 on the pay-off wheel 1 causes the metal wire 7 to cut the electrolytic cell 3;
[0029] 4. By arranging a second wire wheel between the take-up wheel 2 and the ultrasonic cleaning tank 6, it is avoided that the change in the winding radius of the metal wire 7 on the take-up wheel 2 causes the metal wire 7 to cut the ultrasonic cleaning tank 6.
[0030] The embodiments described above are only preferred implementation modes of the present utility model and cannot be used to limit the protection scope of the present utility model. Any non-substantial changes and modifications made by technicians in this field on the basis of the utility model shall fall within the protection scope of the present utility model.
Claims
1. An electrolytic cleaning device, Features: The invention comprises a pay-off wheel, a take-up wheel, an electrolytic cell for electrolytically removing a graphite coating layer and metal powder on a metal wire, a pickling tank for removing burrs and grease on the metal wire, a clean water tank for removing acid on the metal wire, an ultrasonic cleaning tank for cleaning the metal wire, and an adjustable power supply, wherein the pay-off wheel, the take-up wheel, the electrolytic cell, the pickling tank, the clean water tank, and the ultrasonic cleaning tank are arranged side by side in sequence, and two ends of the metal wire are respectively wound around the pay-off wheel and the take-up wheel, and the electrolytic cell, the pickling tank, the clean water tank, and the ultrasonic cleaning tank are respectively provided with wire threading holes for the metal wire, and the take-up wheel can rotate to The metal wire on the pay-off wheel is driven to pass through the wire threading holes on the electrolytic cell, the pickling tank, the clean water tank and the ultrasonic cleaning tank in sequence and then is wound on the take-up wheel. The electrolytic cell contains electrolyte, the pickling tank contains acid, the clean water tank contains clean water, and the ultrasonic cleaning tank contains cleaning liquid. The metal wire is immersed in the electrolyte in the electrolytic cell, the acid in the pickling tank, the clean water in the clean water tank and the cleaning liquid in the ultrasonic cleaning tank respectively. The electrolytic cell is provided with a cathode and an anode for electrolysis, the cathode and the anode are immersed in the electrolyte, and the adjustable power supply is electrically connected to the cathode and the anode.
2. The electrolytic cleaning device according to claim 1, Features: It also includes a wire-taking motor, which is transmission-connected to the wire-taking wheel, and can drive the wire-taking wheel to rotate.
3. The electrolytic cleaning device according to claim 1, Features: It also includes a first wire wheel, which is arranged between the pay-off wheel and the electrolytic cell, and the lower edge of the first wire wheel is tangent to the upper edge of the wire threading hole on the electrolytic cell.
4. The electrolytic cleaning device according to claim 1, Features: It also includes a second wire wheel, which is arranged between the wire take-up wheel and the ultrasonic cleaning tank, and the lower edge of the second wire wheel is tangent to the upper edge of the wire threading hole on the ultrasonic cleaning tank.
5. The electrolytic cleaning device according to claim 1, Features: The cleaning liquid in the ultrasonic cleaning pool is added with a dispersant and / or a penetrant and / or a motive agent and / or a surfactant and / or a detergent.
6. The electrolytic cleaning device according to claim 1, Features: The metal wire is configured as a tungsten wire, a bonding wire, a molybdenum wire, or a titanium wire.
7. The electrolytic cleaning device according to claim 1, Features: The metal wire is electrically connected to the anode, the cathode is placed in the electrolyte, and the anode is placed in the electrolyte.