Silane liquid feeding device for surface processing of copper foil

By setting up symmetrical spray pipes and adjustable nozzles during copper foil processing, the problem of uneven silane spraying was solved, achieving uniformity of silane coating and consistency of product quality.

CN223862060UActive Publication Date: 2026-02-03LINGBAO WASON COPPER FOIL
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Patent Information

Application Number
CN202423267394.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-02-03
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

During copper foil processing, the inlet flow rate and the tail flow rate of the silane spray pipe are inconsistent, resulting in uneven contact between silane and the foil surface, affecting the uniformity of the internal peel resistance index, and thus affecting product quality.

Method used

Two symmetrical spray pipes are set on the liquid receiving tank. The spray pipes are parallel to the guide rollers and the liquid inlet ends are at both ends of the tank. The spray pipes are equipped with nozzles arranged in an equidistant array and are fixed by ratchet and limiting device. Combined with the adjustable nozzle structure, the consistency and uniformity of the spray flow are ensured.

Benefits of technology

This achieves uniformity in silane spraying flow, avoids the inherent left-center-right deviation of copper foil in anti-peeling properties, and improves the consistency of product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

A silane liquid feeding device for copper foil surface processing relates to the field of copper foil processing and comprises two spraying pipes mounted on a liquid receiving water tank, the two spraying pipes are symmetrically arranged on two sides of a guide roller respectively and are parallel to the guide roller, liquid inlet ends of the two spraying pipes are arranged at two ends of the liquid receiving water tank respectively, and water inlet pipes are arranged at the liquid inlet ends of the two spraying pipes. Nozzles are distributed on the two spraying pipes at equal intervals in an array manner; the device is high in practicability and very convenient to use, and by arranging the two spraying pipes with opposite liquid inlets, liquid sprayed by the two spraying pipes is complementary, the flow is kept consistent, and the inner anti-stripping left-middle-right deviation of the copper foil is avoided; the nozzles with adjustable liquid outlet calibers are arranged, and the pressure of each nozzle is changed, so that the liquid outlet heights of the nozzles are consistent, and the spraying uniformity is improved.
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Description

Technical Field

[0001] This utility model relates to the field of copper foil processing technology, and in particular to a device for applying silane liquid to the surface of copper foil. Background Technology

[0002] The application of silane coupling agents in copper foil is mainly to improve the electrical properties and service life of copper foil and to provide corrosion protection.

[0003] During the processing, two silane spray pipes are usually set on both sides of the guide roller. The liquid inlet direction of the two silane spray pipes is from the left side of the machine to the right side. This will result in the inlet flow rate and the flow rate at the tail end of the spray pipe being inconsistent. Liquid accumulation at the end of the spray pipe will affect the contact between the silane and the foil surface. This will lead to unevenness in the internal anti-peel index from left to right, affecting subsequent processing and product quality. Utility Model Content

[0004] To overcome the shortcomings in the prior art, this utility model discloses a silane liquid application device for copper foil surface processing. This utility model achieves the purpose of maintaining a consistent silane spraying flow rate and avoiding the left-center-right deviation of the product's inherent anti-peeling properties by setting two spray pipes with opposite liquid inlet ends on the liquid receiving tank.

[0005] To achieve the aforementioned objective, this utility model adopts the following technical solution:

[0006] A silane liquid feeding device for copper foil surface processing includes two spray pipes installed on a liquid receiving tank. The two spray pipes are symmetrically arranged on both sides of a guide roller and are parallel to the guide roller. The liquid inlet ends of the two spray pipes are respectively located at both ends of the liquid receiving tank. Each liquid inlet end of the two spray pipes is provided with a water inlet pipe. Nozzles are evenly distributed in an array on each of the two spray pipes.

[0007] The spray pipe is a hollow cylindrical structure. One end of the spray pipe is provided with a rotating top plate. One end of the top plate abuts against the inner wall of one end of the liquid receiving tank. The other end of the spray pipe passes through the liquid receiving tank. The side of the spray pipe away from the top plate is provided with external threads.

[0008] The spray pipe has equidistant array of connecting holes on its side, and the inner wall of the connecting holes is provided with internal threads. Each connecting hole is provided with a nozzle.

[0009] The spray pipe is equipped with a ratchet at one end away from the top plate. The ratchet is fitted onto the spray pipe and is threadedly connected to it. A limiting device is provided on one side of the ratchet, and the ratchet is rotatably connected to the inner wall of the liquid receiving tank on one side. A handle is provided on the other side of the ratchet.

[0010] The limiting device includes a housing with an opening facing the ratchet, a pawl, a spring, a top block, and a switching head. Two pawls are symmetrically arranged inside the housing and rotatably connected to its inner wall. A spring is provided between the two pawls and the inner wall of the housing. A top block is provided between the two pawls and rotatably connected to the inner wall of the housing. A rotating shaft is provided on the top block. One end of the rotating shaft passes through the housing and the liquid receiving tank and is provided with a switching head.

[0011] The nozzle includes a connecting pipe, baffles, sleeves, and pressure blocks. The connecting pipe has external threads on its side and is threaded to a connecting hole. Baffles are distributed in an annular equidistant array on the upper end face of the connecting pipe. Each baffle has an arc-shaped structure and external threads on its outer convex surface. Each baffle has a sleeve that fits onto each baffle and is threaded to each baffle. Each baffle has a triangular pressure block longitudinally arranged on its outer surface.

[0012] The nozzle has a flexible sealing sleeve on its inner wall, which fits into the inner wall of the connecting pipe and each baffle.

[0013] The present invention relates to a silane liquid application device for copper foil surface processing. This invention is highly practical and very convenient to use. By setting two spray pipes with opposite liquid inlets, the liquid sprayed by the two spray pipes complements each other, maintaining a consistent flow rate and avoiding the left-center-right deviation of the copper foil's internal anti-peeling properties. By setting an adjustable nozzle with an adjustable outlet diameter, the pressure of each nozzle can be changed, making the liquid outlet height of each nozzle consistent and improving the uniformity of the coating. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a three-dimensional structural diagram of the spray device of this utility model;

[0016] Figure 3 This is a cross-sectional view of the nozzle of this utility model;

[0017] Figure 4 This is a cross-sectional view of the limiting device of this utility model;

[0018] In the diagram: 1. Liquid receiving tank; 2. Spray pipe; 3. Water inlet pipe; 4. Switch head; 5. Nozzle; 6. Ratchet; 7. Handle; 8. Limiting device; 9. Connecting hole; 10. Top plate; 11. Connecting pipe; 12. Baffle; 13. Sleeve; 14. Top block; 15. Flexible sealing sleeve; 16. Housing; 17. Pawl; 18. Spring; 19. Pressure block; 20. Rotating shaft. Detailed Implementation

[0019] The present invention will be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0020] Combined with appendix Figures 1-4 A silane liquid feeding device for copper foil surface processing includes two spray pipes 2 installed on a liquid receiving tank 1. The two spray pipes 2 are symmetrically arranged on both sides of a guide roller and are parallel to the guide roller. The liquid inlet ends of the two spray pipes 2 are respectively located at both ends of the liquid receiving tank 1. Each liquid inlet end of the two spray pipes 2 is provided with a water inlet pipe 3. The two spray pipes 2 are each equidistantly arrayed with nozzles 5.

[0021] The spray pipe 2 is a hollow cylindrical structure. One end of the spray pipe 2 is provided with a rotating top plate 10. One end of the top plate 10 abuts against the inner wall of one end of the liquid receiving tank 1. The other end of the spray pipe 2 passes through the liquid receiving tank 1. The side of the spray pipe 2 away from the top plate 10 is provided with external threads.

[0022] The spray pipe 2 has connecting holes 9 evenly distributed on its side. The inner wall of the connecting hole 9 is provided with internal threads. Each connecting hole 9 is provided with a nozzle 5, and each nozzle 5 faces the copper foil above.

[0023] The spray pipe 2 is provided with a ratchet 6 at the end away from the top plate 10. The ratchet 6 is sleeved on the spray pipe 2 and is threadedly connected to the spray pipe 2. A limiting device 8 is provided on one side of the ratchet 6. One side of the ratchet 6 is rotatably connected to the inner wall of the liquid receiving tank 1. A handle 7 is provided on the other side of the ratchet 6. By rotating the ratchet 6 through the handle 7, the ratchet 6 drives the spray pipe 2 to move laterally. The limiting device 8 fixes the position of the ratchet 6, thereby fixing the spray pipe 2 on the liquid receiving tank 1.

[0024] The limiting device 8 includes a housing 16 with its opening facing the ratchet 6, a pawl 17, a spring 18, a top block 19, and a switching head 4. Two pawls 17 are symmetrically arranged inside the housing 16 and are rotatably connected to its inner wall. A spring 18 is provided between each pawl 17 and the inner wall of the housing 16. A top block 19 is provided between the two pawls 17 and is rotatably connected to the inner wall of the housing 16. A rotating shaft 20 is provided on the top block 19. One end of the rotating shaft 20 passes through the housing 16 and the liquid receiving tank 1, and is provided with the switching head 4. Rotating the switching head 4 causes the top block 19 to rotate, and the top block 19 abuts against the inner wall of one side of the pawl 17, so that the end of the pawl 17 is locked in the tooth of the ratchet 6, thus fixing the ratchet 6.

[0025] The nozzle 5 includes a connecting pipe 11, a baffle 12, a sleeve 13, and a pressure block 14. The connecting pipe 11 has external threads on its side and is threaded to the connecting hole 9. The upper end face of the connecting pipe 11 has baffles 12 arranged in an equidistant array. Each baffle 12 has an arc-shaped structure and external threads on its outer convex surface. Each baffle 12 has a sleeve 13, which is fitted onto and threaded to each baffle 12. Each baffle 12 has a triangular pressure block 14 longitudinally arranged on its outer surface. Rotating the sleeve 13 causes it to move upward, thereby squeezing the sides of each pressure block 14 and squeezing the baffles 12 inward. This reduces the opening diameter of each baffle 12, thereby increasing the water spraying height of the spray pipe 2 and adjusting the water outlet diameter of each nozzle 5 to make the liquid outlet height of each nozzle 5 consistent, thus improving the uniformity of the spraying.

[0026] The nozzle 5 has a flexible sealing sleeve 15 on its inner wall. The flexible sealing sleeve 15 fits onto the inner wall of the connecting pipe 11 and each baffle 12 to prevent liquid from overflowing from the gaps between the baffles when liquid is dispensed.

[0027] The copper foil surface processing silane liquid application device described in this embodiment involves rotating the ratchet 6 via the handle 7, causing the ratchet 6 to move the spray pipe 2 laterally. The limiting device 8 fixes the position of the ratchet 6, thereby fixing the spray pipe 2 onto the liquid receiving tank 1. When fixing the spray pipe 2, each nozzle 5 faces the upper foil surface. The water inlet pipe 3 is connected to the spray pipe 2, and water is then introduced. The height of the water outlet from each nozzle 5 is observed. According to production requirements, the sleeve 13 is rotated, causing the sleeve 13 to move upward, thereby squeezing the sides of each pressure block 14 above and squeezing the baffle 12 inward, reducing the opening diameter of each baffle 12, thereby increasing the spray height of the spray pipe 2. The water outlet diameter of each nozzle 5 is adjusted to ensure that the liquid outlet height of each nozzle 5 is consistent, improving the uniformity of the spraying. During production, the two spray pipes 2 with opposite liquid inlets ensure that the liquid sprayed by the two spray pipes 2 is complementary, maintaining a consistent overall spraying flow rate and avoiding left-center-right deviations in the anti-peeling properties of the copper foil.

[0028] The parts of this utility model not described in detail are prior art. Although this utility model has been specifically shown and introduced in conjunction with preferred embodiments, there are many methods and approaches to implement this technical solution. The above description is only a preferred embodiment of this utility model. However, those skilled in the art should understand that various changes in form and detail can be made to this utility model without departing from the spirit and scope of this utility model as defined by the appended claims, and all such changes shall be within the protection scope of this utility model.

Claims

1. A silane liquid feeding device for copper foil surface processing, comprising two spray pipes (2) installed on a liquid receiving tank (1), the two spray pipes (2) being symmetrically arranged on both sides of a guide roller, and both spray pipes (2) being arranged parallel to the guide roller, characterized in that: The liquid inlet ends of the two spray pipes (2) are respectively set at both ends of the liquid receiving tank (1). The liquid inlet ends of the two spray pipes (2) are equipped with water inlet pipes (3). The two spray pipes (2) are equally spaced and have nozzles (5) arranged in an array.

2. The apparatus for applying silane to the surface of copper foil according to claim 1, characterized in that: The spray pipe (2) is a hollow cylindrical structure. One end of the spray pipe (2) is provided with a rotating top plate (10). One end of the top plate (10) abuts against the inner wall of one end of the liquid receiving tank (1). The other end of the spray pipe (2) passes through the liquid receiving tank (1). The side of the spray pipe (2) away from the top plate (10) is provided with an external thread.

3. The apparatus for applying silane to the surface of copper foil according to claim 2, characterized in that: The spray pipe (2) has connecting holes (9) evenly distributed on its side. The inner wall of the connecting hole (9) is provided with internal threads, and each connecting hole (9) is provided with a nozzle (5).

4. The silane liquid feeding device for copper foil surface processing according to claim 3, characterized in that: The spray pipe (2) is provided with a ratchet (6) at the end away from the top plate (10). The ratchet (6) is sleeved on the spray pipe (2) and threadedly connected to the spray pipe (2). A limiting device (8) is provided on one side of the ratchet (6). One side of the ratchet (6) is rotatably connected to the inner wall of the liquid receiving tank (1). A handle (7) is provided on the other side of the ratchet (6).

5. The silane liquid feeding device for copper foil surface processing according to claim 4, characterized in that: The limiting device (8) includes a housing (16) with the opening facing the ratchet (6), a pawl (17), a spring (18), a top block (19), and a switching head (4). Two pawls (17) are symmetrically arranged inside the housing (16) and rotatably connected to its inner wall. A spring (18) is provided between the two pawls (17) and the inner wall of the housing (16). A top block (19) is provided between the two pawls (17) and rotatably connected to the inner wall of the housing (16). A rotating shaft (20) is provided on the top block (19). One end of the rotating shaft (20) passes through the housing (16) and the liquid receiving tank (1) and is provided with a switching head (4).

6. The silane liquid feeding device for copper foil surface processing according to claim 3, characterized in that: The nozzle (5) includes a connecting pipe (11), a baffle (12), a sleeve (13) and a pressure block (14). The connecting pipe (11) has an external thread on its side and is threaded to the connecting hole (9). The upper end face of the connecting pipe (11) is equidistantly arranged with baffles (12). Each baffle (12) is an arc-shaped structure. Each baffle (12) has an external thread on its outer convex surface. Each baffle (12) has a sleeve (13) on it. The sleeve (13) is fitted onto each baffle (12) and is threaded to each baffle (12). Each baffle (12) has a triangular pressure block (14) longitudinally arranged on its outer surface.

7. The apparatus for applying silane to the surface of copper foil according to claim 6, characterized in that: The nozzle (5) has a flexible sealing sleeve (15) on its inner wall, which fits against the inner wall of the connecting pipe (11) and each baffle (12).