Circuit board etching device

By designing a circuit board etching device, the circuit board is made to vibrate up and down in the etching solution by using an electric telescopic rod, a rolling groove, and a ball bearing. This solves the problems of uneven etching and waste, and achieves cost savings and faster production.

CN223528288UActive Publication Date: 2025-11-07TAISHENG ELECTRONIC HARDWARE CO LTD LONGXI TOWN BOLUO COUNTY
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Patent Information

Application Number
CN202422553153.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-11-07
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

In existing circuit board etching processes, spray etching wastes etching solution and results in uneven etching, while immersion etching wastes costs and affects subsequent processes.

Method used

Design a circuit board etching device that uses an electric telescopic rod to drive the placement tray and circuit board to vibrate up and down in the etching solution. Combined with the cooperation of the rolling groove, ball bearings and compression spring, it can achieve uniform etching and shake out excess etching solution after completion.

Benefits of technology

It achieves uniform etching and cost savings, while also accelerating production speed, preventing circuit boards from falling off, and simplifying preparation for subsequent processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of circuit board production, and discloses a circuit board etching device. The circuit board etching device comprises an operation box, an etching barrel is fixedly connected to the inner bottom wall of the operation box, an electric telescopic rod is further fixedly installed on the inner bottom wall of the operation box, the output end of the electric telescopic rod is fixedly connected with a top plate, supporting columns are arranged below the top plate, a containing disc is fixedly connected between the supporting columns, and a limiting assembly is arranged on the containing disc. A movable plate is fixedly connected between the supporting columns and located above the containing disc, and a rolling groove is formed in the upper surface of the movable plate. According to the circuit board etching device, the circuit board is immersed in the etching barrel and can vibrate up and down to enable the circuit board to be etched more uniformly, redundant etching liquid can be thrown out through vertical vibration after etching is completed, cost is saved, the next working procedure can be conveniently carried out, multiple circuit boards can be etched at the same time, the production rate is increased, and the production efficiency is improved. The problems proposed in the background technology are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board production, specifically is a circuit board etching device. BACKGROUND

[0002] With the rapid development of electronic technology, as the basic component of electronic equipment, the efficiency and precision of the production process of circuit board are crucial to the progress of the entire industry, and circuit board etching is a process of using chemical solution to corrode the area without pattern, thereby forming a circuit pattern. This process is often used to make printed circuit boards with high-precision conductive lines.

[0003] The existing circuit board etching generally adopts the spraying or immersion method for etching. The spraying method not only wastes a lot of etching liquid, but also causes uneven etching, which affects the use effect. The immersion etching is to immerse the circuit board in the etching liquid. After etching is completed, there will be a lot of etching liquid on the circuit board, which will waste a lot of cost and affect the next process. Therefore, we design a circuit board etching device. UTILITY MODEL CONTENT

[0004] The utility model discloses a utility model purpose to provide a kind of circuit board etching device, the circuit board etching device is immersed in etching liquid in circuit board up and down vibration makes its etching uniform, and vibration can shake out extra etching liquid after etching is completed, save cost, solve the problem raised in background art.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of circuit board etching device including operation box, the inner bottom wall of the operation box is fixedly connected with etching barrel, the inner bottom wall of the operation box is also fixedly installed with electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with top plate, the lower of the top plate is provided with support column, the support column is fixedly connected with placing disc between, the placing disc is provided with limit component, the support column between and located above placing disc is fixedly connected with movable plate, the upper surface of the movable plate is provided with rolling groove, the top plate is movably connected with fixed column, the bottom end of the fixed column is fixedly connected with ball, the upper surface of the top plate is fixedly installed with drive motor, and the output end of drive motor is fixedly connected with fixed column, one end of the support column is fixedly connected with compression spring, the other end of the compression spring is fixedly connected with the lower surface of top plate.

[0006] Through the technical scheme, the circuit board is placed on the placing disc and positioned by the limiting assembly, the electric telescopic rod is started to drive the supporting column and the placing disc to move downwards into the etching barrel, at this time the circuit board is immersed in the etching liquid, the driving motor is started to drive the fixed column to rotate, at this time the cooperation of the rolling groove, the ball and the compression spring drives the movable plate to pop up and down along with the contact and separation of the rolling groove and the ball, that is, the circuit board on the placing disc will vibrate up and down to make the etching more uniform, when the etching process is completed, the electric telescopic rod is started to drive the top plate to move upwards until the circuit board is separated from the etching liquid in the etching barrel, at this time the circuit board is still in the etching barrel, the driving motor is started again to make the circuit board vibrate up and down to shake off the excess etching liquid, and the etching process is completed.

[0007] Preferably, the number of the etching barrels is several and is distributed in a ring shape around the axis of the operation box, the placing disc is located directly above the etching barrel, and the bottom of the etching barrel is provided with a liquid outlet hole.

[0008] Through the technical scheme, the design of the plurality of etching barrels can simultaneously perform the etching process on the plurality of circuit boards, and the production rate is accelerated.

[0009] Preferably, the limiting assembly comprises a rotating groove, a rotating rod, a limiting plate and a positioning plate, the lower half of the supporting column is provided with a rotating groove, the top of the supporting column is movably connected with a rotating rod, the bottom end of the rotating rod extends into the rotating groove, the outer side of the rotating rod is fixedly connected with a limiting plate, and the outer side of the placing disc is further fixedly connected with a positioning plate.

[0010] Through the technical scheme, the circuit board is preliminarily positioned by the positioning plate, the limiting plate is rotated above the circuit board by the rotation of the rotating rod to position the circuit board, and the circuit board is prevented from falling during the etching process.

[0011] Preferably, the bottom end of the rotating rod penetrates through the top plate and extends above the top plate, and the compression spring is sleeved outside the rotating rod.

[0012] Through the technical scheme, the rotating rod can not only control the position of the limiting plate, but also guide the up-and-down movement of the supporting column and the placing disc, so that the vibration of the circuit board is more stable.

[0013] Preferably, the side surface of the supporting column is fixedly connected with a clamping block, the top of the etching barrel is provided with a clamping groove, and the clamping groove is matched with the clamping block.

[0014] Through the technical scheme, the cooperation of the clamping block and the clamping groove can play a positioning role, when the clamping block is clamped in the clamping groove, the circuit board is immersed in the etching liquid.

[0015] Preferably, the number of the balls is several and is distributed in a ring shape around the axis of the fixed column, and the rolling groove is matched with the ball.

[0016] By adopting the foregoing technical scheme, the utility model has the beneficial effects that:

[0017] 1、 the circuit board etching device, the circuit board is immersed in the etching barrel and can vibrate up and down to make it etch more evenly, when etching is finished, the excess etching liquid can be shaken out through the up and down vibration, save the cost and facilitate the next process, at the same time, multiple circuit boards can be etched simultaneously, the production rate is accelerated, and the problems in the background art are solved.

[0018] 2、 the circuit board etching device, through the design of the limiting assembly, on the one hand, the circuit board can be limited, so that it remains stable during etching, preventing falling phenomenon, on the other hand, the circuit board is convenient to take, simplifying the fixing step, further accelerating the production rate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic view of the utility model;

[0020] Figure 2 It is a top view of the utility model;

[0021] Figure 3 It is a three-dimensional schematic view of the utility model Figure 2 A-A section view of the utility model;

[0022] Figure 4 It is a three-dimensional schematic view of the utility model Figure 3 B enlarged view of the utility model;

[0023] Figure 5 It is a three-dimensional schematic view of the utility model;

[0024] Figure 6 It is a three-dimensional schematic view of the utility model Figure 5 C enlarged view of the utility model.

[0025] In the drawing: 1, operation box; 2, etching barrel; 3, electric telescopic rod; 4, top plate; 5, support column; 6, placing disc; 7, limiting assembly; 71, rotating groove; 72, rotating rod; 73, limiting plate; 74, positioning plate; 8, movable plate; 9, rolling groove; 10, fixed column; 11, ball; 12, driving motor; 13, compression spring; 14, clamping block; 15, clamping groove. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] Referring to Figures 1-6 The utility model provides a kind of technical scheme: a kind of circuit board etching device, including operation box 1, the inner bottom wall of operation box 1 is fixedly connected with etching barrel 2, the inner bottom wall of operation box 1 is also fixedly installed with electric telescopic handle 3, the output end of electric telescopic handle 3 is fixedly connected with top plate 4, the below of top plate 4 is provided with support column 5, support column 5 between fixedly connected with placing tray 6, placing tray 6 is provided with limit component 7, support column 5 between and located placing tray 6 top fixedly connected with movable plate 8, the upper surface of movable plate 8 is equipped with rolling groove 9, top plate 4 is movably connected with fixed column 10, the bottom end of fixed column 10 is fixedly connected with ball 11, the upper surface of top plate 4 is fixedly installed with driving motor 12, and the output end of driving motor 12 is fixedly connected with fixed column 10, the top of support column 5 is fixedly connected with one end of compression spring 13, the other end of compression spring 13 is fixedly connected with the lower surface of top plate 4.

[0028] By the above technical scheme, the circuit board is placed on placing tray 6 and is limited by limit component 7, electric telescopic handle 3 is started to drive support column 5 and placing tray 6 to move down to etching barrel 2, at this time, the circuit board is immersed in etching liquid, driving motor 12 is started to drive fixed column 10 to rotate, at this time, by the cooperation of rolling groove 9, ball 11 and compression spring 13, with the contact and separation of rolling groove 9 and ball 11, movable plate 8 is driven to bounce up and down, i.e. the circuit board on placing tray 6 is vibrated up and down to make etching more uniform, when etching process is completed, electric telescopic handle 3 is started to drive top plate 4 to move up until the circuit board is separated from etching liquid in etching barrel 2, at this time, the circuit board is still located in etching barrel 2, driving motor 12 is started again to make the circuit board vibrate up and down to shake off excess etching liquid, and the etching process is completed.

[0029] The number of etching barrels 2 is several and is distributed in a ring shape with the axis of operation box 1 as the center, placing tray 6 is located directly above etching barrel 2, and a liquid outlet hole is formed in the bottom of etching barrel 2.

[0030] By the above technical scheme, the design of multiple etching barrels 2 can simultaneously perform etching process on multiple circuit boards, thereby accelerating production rate, and the liquid outlet hole in the bottom of etching barrel 2 can periodically discharge and replace the etching liquid inside, thereby ensuring etching effect.

[0031] Limit component 7 includes rotating groove 71, rotating rod 72, limit plate 73 and positioning plate 74, the lower half of support column 5 is provided with rotating groove 71, the top of support column 5 is movably connected with rotating rod 72, and the bottom end of rotating rod 72 extends into rotating groove 71, limit plate 73 is fixedly connected to the outside of rotating rod 72, and positioning plate 74 is also fixedly connected to the outside of placing tray 6.

[0032] By the technical scheme, the circuit board is preliminarily positioned by the positioning plate 74, the limiting plate 73 is rotated to the upper side of the circuit board by rotating the rotating rod 72, and the circuit board is limited, thereby preventing the circuit board from falling during etching.

[0033] The bottom end of the rotating rod 72 penetrates through the top plate 4 and extends to the upper side of the top plate 4, and the compression spring 13 is sleeved on the outer side of the rotating rod 72.

[0034] By the technical scheme, the rotating rod 72 can not only control the position of the limiting plate 73, but also guide the up-and-down movement of the supporting column 5 and the placing disc 6, so that the up-and-down vibration of the circuit board is more stable.

[0035] The side surface of the supporting column 5 is fixedly connected with the clamping block 14, and the top of the etching barrel 2 is provided with the clamping groove 15 which is matched with the clamping block 14.

[0036] By the technical scheme, the clamping block 14 matched with the clamping groove 15 can play a positioning role, and when the clamping block 14 is clamped in the clamping groove 15, the circuit board is immersed in the etching liquid.

[0037] The number of the rolling balls 11 is several and the rolling balls 11 are distributed in a ring shape around the axis of the fixed column 10, and the rolling groove 9 is matched with the rolling balls 11.

[0038] When the circuit board etching device works, the circuit board is placed on the placing disc 6 and preliminarily positioned by the positioning plate 74, the limiting plate 73 is rotated to the upper side of the circuit board by rotating the rotating rod 72, the supporting column 5 and the placing disc 6 are driven to move downward into the etching barrel 2 by starting the electric telescopic rod 3, the circuit board is immersed in the etching liquid at this time, the fixed column 10 is rotated by starting the driving motor 12, the movable plate 8 is bounced up and down by the contact and separation of the rolling groove 9 and the rolling balls 11, that is, the circuit board on the placing disc 6 is vibrated up and down to make the etching more uniform, when the etching process is completed, the top plate 4 is moved upward by starting the electric telescopic rod 3 until the circuit board is separated from the etching liquid in the etching barrel 2, at this time, the circuit board is still located in the etching barrel 2, the circuit board is vibrated up and down again by starting the driving motor 12 to shake off the excess etching liquid, and the etching process is completed.

[0039] It should be noted that, in the present document, the terms such as first and second, etc., are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.

[0040] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A circuit board etching apparatus comprising an operating tank, characterized by: The inner bottom wall of the operation box is fixedly connected with etching barrels, and the inner bottom wall of the operation box is also fixedly installed with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a top plate, the lower portion of the top plate is provided with supporting columns, the supporting columns are fixedly connected with a placing disc, the placing disc is provided with a limiting assembly, the supporting columns are fixedly connected with a movable plate above the placing disc, the upper surface of the movable plate is provided with a rolling groove, the top plate is movably connected with a fixed column, the bottom end of the fixed column is fixedly connected with a ball, the upper surface of the top plate is fixedly installed with a driving motor, and the output end of the driving motor is fixedly connected with the fixed column, one end of a compression spring is fixedly connected with the top portion of the supporting column, and the other end of the compression spring is fixedly connected with the lower surface of the top plate.

2. The circuit board etching device of claim 1, wherein: The number of the etching barrels is several and is distributed in a ring shape around the axis of the operation box, the placing disc is located directly above the etching barrels, and the bottom of each etching barrel is provided with a liquid outlet hole.

3. The circuit board etching device of claim 2, wherein: The limiting assembly comprises a rotating groove, a rotating rod, a limiting plate and a positioning plate, the lower half of each supporting column is provided with a rotating groove, the top of each supporting column is movably connected with a rotating rod, the bottom end of each rotating rod extends into the rotating groove, the outer side of each rotating rod is fixedly connected with a limiting plate, and the outer side of the placing disc is also fixedly connected with a positioning plate.

4. The circuit board etching device of claim 3, wherein: The bottom end of each rotating rod penetrates through the top plate and extends above the top plate, and the compression spring is sleeved outside each rotating rod.

5. The circuit board etching device of claim 4, wherein: The side of each supporting column is fixedly connected with a clamping block, the top of each etching barrel is provided with a clamping groove, and the clamping groove is matched with the clamping block.

6. The circuit board etching device of claim 5, wherein: The number of the balls is several and is distributed in a ring shape around the axis of the fixed column, and the rolling groove is matched with the balls.