Novel etching liquid smearing device

Abstract

The utility model relates to a novel etching liquid daubing device in the technical field of etching daubing, which comprises a pushing mechanism and a daubing mechanism, the pushing mechanism comprises a bearing module and a driving module used for pushing the bearing module to move horizontally, the daubing mechanism comprises a material storage tank and a flexible daubing strip arranged at the lower end of the material storage tank, and the flexible daubing strip is arranged in the material storage tank. A plurality of liquid drainage holes are uniformly formed in the positions, corresponding to the flexible smearing strip, of the lower end of the storage tank, and a plurality of arc smearing parts are arranged at the bottom of the flexible smearing strip side by side. According to the utility model, by optimizing the structural design of the flexible smearing strip and adopting the arrangement of the plurality of arc smearing parts which are arranged side by side, the etching liquid can be uniformly distributed, the etching effect is effectively improved, a continuous and uniform liquid film is formed by the etching liquid in the smearing process due to the arrangement of the plurality of arc smearing parts, and the etching quality is improved. And the phenomena of liquid drop splashing and non-uniformity in a traditional spraying mode are avoided, the processing precision and consistency of the surface of the substrate are further improved, and the stability of the product quality is ensured.

Description

Technical Field

[0001] This utility model relates to the field of etching coating technology, specifically to a novel etching liquid coating device. Background Technology

[0002] Etching of copper-clad ceramic substrates involves pre-plating a lead-tin resist layer onto the circuit pattern, and then chemically etching away the unprotected non-conductive copper to form the circuit. Etching is divided into inner-layer etching and outer-layer etching. Inner-layer etching uses acidic etching with wet or dry film as the resist, offering advantages such as easier control of etching speed, high copper etching efficiency, good quality, and easy recycling of the etching solution. Outer-layer etching uses alkaline etching with tin-lead as the resist.

[0003] In actual etching of copper-clad ceramic substrates, there are generally three process steps: First, development: sodium carbonate is used to dissolve the parts of the dry film that have not been exposed to ultraviolet radiation, while the irradiated parts are retained; second, etching: according to a certain proportion of solution, the exposed copper surface after the dry or wet film has been dissolved is dissolved with acidic copper chloride etching solution; third, film removal: according to a certain proportion of solution under specific temperature and speed conditions, the protective film on the circuit is dissolved. In some existing technologies, the exposed copper surface is etched and dissolved by spraying. Spraying is done through nozzles, which consumes a lot of etching solution. The actual consistency of the etching solution has a great impact on the spraying effect, resulting in some problems, such as uneven spraying, thus affecting the etching effect of the copper-clad ceramic substrate.

[0004] To address the aforementioned issues, Chinese Utility Model Patent Publication No. CN222016877U discloses an integrated etching solution application device for ceramic copper-clad substrates, which solves the problem of uneven coating by applying etching solution. Building upon this, this utility model proposes a novel etching solution application device to further improve the uniformity of etching solution application. Summary of the Invention

[0005] This invention provides a novel etching solution application device to solve the problems mentioned in the background art.

[0006] The objective of this utility model is achieved through the following means:

[0007] A novel etching solution coating device includes a pushing mechanism and a coating mechanism. The pushing mechanism includes a carrying module and a driving module for pushing the carrying module to move horizontally. The coating mechanism includes a storage tank and a flexible coating strip installed at the lower end of the storage tank. The lower end of the storage tank is provided with a plurality of drain holes evenly arranged corresponding to the position of the flexible coating strip. The bottom of the flexible coating strip is provided with a plurality of arc-shaped coating portions arranged side by side.

[0008] Furthermore, a slide rail is provided at the lower end of the storage tank, and the flexible coating strip is fitted onto the slide rail through the positioning part at the upper end.

[0009] Furthermore, the drive module includes two oppositely arranged guide rails, and the carrier module is slidably mounted on the guide rails.

[0010] Furthermore, the bearing module includes a fixing frame and a clamping structure. The upper end of the fixing frame is provided with a receiving groove, and one side of the receiving groove is provided with an opening. The clamping structure is provided on the side of the fixing frame near the opening.

[0011] Furthermore, the fixing frame consists of an outer frame and a reinforcing frame disposed inside the outer frame.

[0012] Furthermore, the clamping structure includes a clamping plate and a tension spring. One end of the tension spring is fixedly connected to the bottom of the reinforcing frame. The clamping plate is movably installed in the opening via a bracket. One end of the bracket is connected to the tension spring. The bottom of the reinforcing frame is provided with a fixing sleeve for fitting the bracket.

[0013] Furthermore, a U-shaped waterproof plate is provided on the reinforcing frame corresponding to the position of the tension spring.

[0014] Furthermore, a guide plate is provided on one side of the drive module, and a drive part is provided at the bottom of the clamping plate for abutting and engaging with the guide plate, so that the clamping plate can move along the guide plate in a direction away from the opening.

[0015] This invention optimizes the structural design of the flexible coating strip by employing a layout of several parallel arc-shaped coating sections. This ensures that the etching solution is evenly distributed, effectively improving the etching effect. The arrangement of multiple arc-shaped coating sections allows the etching solution to form a continuous and uniform liquid film during the coating process, avoiding droplet splashing and unevenness in traditional spraying methods. This further improves the processing precision and consistency of the substrate surface, ensuring the stability of product quality. Attached Figure Description

[0016] Figure 1 This is a first schematic diagram of the use of a novel etching solution coating device according to this utility model;

[0017] Figure 2 This is a second schematic diagram of the use of a novel etching solution coating device according to this utility model;

[0018] Figure 3 This is a third schematic diagram of the use of a novel etching solution application device according to this utility model;

[0019] Figure 4 This is a first cross-sectional view of a novel etching solution application device according to this utility model;

[0020] Figure 5 This is a second cross-sectional view of a novel etching solution application device according to this utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the storage tank in this utility model;

[0022] The reference numerals in the figure are as follows: 1-storage tank, 101-drain hole, 102-slide rail, 2-flexible coating strip, 201-arc coating part, 202-positioning part, 3-guide rail, 4-fixed frame, 401-accommodating groove, 402-opening, 5-bracket, 6-clamping plate, 7-tension spring, 8-U-shaped waterproof plate, 9-guide plate, 10-drive part. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0024] In this embodiment, refer to Figure 1 - Figure 6 The present invention relates to a novel etching solution coating device, comprising a pushing mechanism and a coating mechanism. The pushing mechanism includes a carrying module and a driving module for pushing the carrying module to move horizontally. The coating mechanism includes a storage tank 1 and a flexible coating strip 2 installed at the lower end of the storage tank 1. A plurality of drain holes 101 are evenly arranged at the lower end of the storage tank 1 corresponding to the position of the flexible coating strip 2. A plurality of arc coating parts 201 are arranged side by side at the bottom of the flexible coating strip 2.

[0025] Furthermore, a slide rail 102 bracket 5 is provided at the lower end of the storage tank 1, and the flexible application strip 2 is fitted onto the slide rail 102 bracket 5 via the positioning part 202 at its upper end. The flexible application strip 2 is slidably fitted onto the slide rail 102 bracket 5 via the positioning part 202, making it easy to disassemble and replace, thus avoiding any impact on production efficiency. The flexible application strip 2 is made of high-density sponge, possessing good elasticity and wear resistance, ensuring even application and long-lasting durability.

[0026] Furthermore, the drive module includes two opposing guide rails 3, on which the carrier module is slidably mounted. The drive module moves the carrier module horizontally along the guide rails 3, achieving precise positioning and ensuring uniform coating. The drive module also includes a slide rail 102 motor for driving the carrier module. The slide rail 102 motor's speed and force are precisely adjusted by a control system to ensure stable operation of the carrier module and improve coating accuracy. The arc design of the flexible coating strip 2 effectively prevents etching solution dripping, ensuring coating quality.

[0027] Furthermore, the bearing module includes a fixing frame 4 and a clamping structure. The upper end of the fixing frame 4 is provided with a receiving groove 401, and one side of the receiving groove 401 is provided with an opening 402. The clamping structure is located on the side of the fixing frame 4 near the opening 402. The clamping structure on the side of the receiving groove 401 with opening 402 allows for flexible adjustment of the tightness, ensuring that the bearing module firmly clamps the workpiece and prevents slippage. Secondly, the receiving groove 401 facilitates the placement of workpieces of different sizes, enhancing the applicability of the device and the stability of the clamping.

[0028] Furthermore, the fixing frame 4 consists of an outer frame and a reinforcing frame disposed inside the outer frame. The clamping structure includes a clamping plate 6 and a tension spring 7. One end of the tension spring 7 is fixedly connected to the bottom of the reinforcing frame. The clamping plate 6 is movably mounted on the opening 402 via a bracket 5. One end of the bracket 5 is connected to the tension spring 7. A fixing sleeve for fitting the bracket 5 is provided at the bottom of the reinforcing frame. Under the action of the tension spring 7, the clamping plate 6 always maintains a certain clamping force, ensuring that the workpiece is firmly fixed in the receiving groove 401. When it is necessary to clamp workpieces of different sizes, the position of the clamping plate 6 can be manually adjusted to make the clamping plate 6 fit tightly with the workpiece. The design of the bracket 5 allows the clamping plate 6 to move smoothly, avoiding shaking during the clamping process and affecting the clamping effect. The setting of the fixing sleeve further enhances the stability of the bracket 5, allowing it to be firmly installed on the reinforcing frame, improving the rigidity and durability of the entire load-bearing module.

[0029] Furthermore, a U-shaped waterproof plate 8 is provided on the reinforcing frame corresponding to the position of the tension spring 7. The U-shaped waterproof plate 8 can effectively prevent the tension spring 7 from failing due to corrosion by the etching solution, thus extending its service life. The U-shaped waterproof plate 8 is made of corrosion-resistant material.

[0030] Furthermore, a guide plate 9 is provided on one side of the drive module, and a drive part 10 is provided at the bottom of the clamping plate 6 for abutting and engaging with the guide plate 9, allowing the clamping plate 6 to move along the guide plate 9 away from the opening 402. After the etching solution is applied, the fixing frame 4 moves outward under the drive of the drive module. During the movement, the drive part 10 at the bottom of the clamping plate 6 engages tightly with the guide plate 9, allowing the clamping plate 6 to move along the guide plate 9 away from the opening 402. The clamping plate 6 thus releases its grip on the workpiece, ensuring smooth removal of the workpiece. The design of the guide plate 9 not only improves operational efficiency but also reduces wear on the workpiece during handling, further enhancing the overall performance and reliability of the device.

[0031] This invention optimizes the structural design of the flexible coating strip 2 by employing a layout of several parallel arc coating sections 201 to ensure uniform distribution of the etching solution, effectively improving the etching effect. The arrangement of multiple arc coating sections 201 enables the etching solution to form a continuous and uniform liquid film during the coating process, avoiding droplet splashing and unevenness in traditional spraying methods, further improving the processing precision and consistency of the substrate surface, and ensuring the stability of product quality.

[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the present utility model without departing from the scope of the present utility model shall fall within the scope of the present utility model.

Claims

1. A novel etching solution application device, comprising a pushing mechanism and an application mechanism, wherein the pushing mechanism includes a support module and a drive module for horizontally moving the support module, characterized in that: The coating mechanism includes a storage tank (1) and a flexible coating strip (2) installed at the lower end of the storage tank (1). The lower end of the storage tank (1) is provided with a plurality of drainage holes (101) at the position corresponding to the flexible coating strip (2). The bottom of the flexible coating strip (2) is provided with a plurality of arc coating parts (201) arranged side by side.

2. The novel etching solution coating device according to claim 1, characterized in that: The lower end of the storage tank (1) is provided with a slide rail (102), and the flexible coating strip (2) is fitted onto the slide rail (102) through the positioning part (202) at the upper end.

3. The novel etching solution coating device according to claim 1, characterized in that: The drive module includes two oppositely arranged guide rails (3), and the carrier module is slidably mounted on the guide rails (3).

4. A novel etching solution application device according to any one of claims 1-3, characterized in that: The bearing module includes a fixing frame (4) and a clamping structure. The upper end of the fixing frame (4) is provided with a receiving groove (401), and one side of the receiving groove (401) is provided with an opening (402). The clamping structure is provided on the side of the fixing frame (4) near the opening (402).

5. The novel etching solution coating device according to claim 4, characterized in that: The fixing frame (4) consists of an outer frame and a reinforcing frame disposed inside the outer frame.

6. The novel etching solution coating device according to claim 5, characterized in that: The clamping structure includes a clamping plate (6) and a tension spring (7). One end of the tension spring (7) is fixedly connected to the bottom of the reinforcing frame. The clamping plate (6) is movably installed in the opening (402) via a bracket (5). One end of the bracket (5) is connected to the tension spring (7). The bottom of the reinforcing frame is provided with a fixing sleeve for fitting the bracket (5).

7. The novel etching solution coating device according to claim 6, characterized in that: The reinforcing frame is provided with a U-shaped waterproof plate (8) at the position corresponding to the tension spring (7).

8. A novel etching solution application device according to claim 6 or 7, characterized in that: A guide plate (9) is provided on one side of the drive module, and a drive part (10) is provided at the bottom of the clamping plate (6) for engaging with the guide plate (9), so that the clamping plate (6) can move along the guide plate (9) in a direction away from the opening (402).

Images