Printed circuit board (PCB) etching line rinsing and tin washing recovery device after tin stripping

By working together with the drive and vibration components, the filter plate in the rinsing and tin recovery device after tin removal from the PCB etching line is efficiently cleaned, solving the problems of water waste and low equipment efficiency, and improving the ease of use and filtration efficiency of the equipment.

CN223874539UActive Publication Date: 2026-02-06DONGGUAN GONGYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423300114.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-02-06
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Traditional PCB etching line desoldering and rinsing tin recovery devices require multiple water uses when cleaning the filter screen, resulting in water waste and affecting equipment cleaning efficiency.

Method used

A drive assembly is used to rotate the filter plate, which, in conjunction with a vibration assembly, enables the rapid separation and collection of solid impurities through the rotation and vibration of the filter plate, thereby reducing dependence on water resources.

Benefits of technology

It improves filtration efficiency, reduces water waste, avoids filter clogging, and enhances the efficiency and convenience of equipment cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a recovery device for tin rinsing and tin washing after tin stripping of a PCB (printed circuit board) etching line, which belongs to the technical field of circuit board production and comprises a recovery box, a filter plate, a tin washing device and a tin washing device. The collecting box is arranged in the recycling box in a sliding manner and is used for collecting solids on the filtering plate; the vibration assembly is arranged on the filter plate, is used for vibration when the filter plate rotates and comprises sliding plates fixedly arranged at the two ends of the filter plate, the sliding plates are arranged in a shell in a sliding mode, the shell is rotationally arranged in the recycling box, a spring used for resetting the sliding plates is arranged on the rear sides of the sliding plates, and the ends of the sliding plates are driven to slide through a track ring arranged in the recycling box; and the driving assembly is arranged on the recycling box and used for driving the filter plate to rotate through the vibration assembly and driving the collecting box to move at the same time, so that the filtering efficiency is effectively improved, and meanwhile, the waste of water resources is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of circuit board production, especially relates to a PCB etching line tin removal after washing tin recovery device of floating. BACKGROUND

[0002] In the production process of PCB, a layer of tin is generally plated on its surface as an etching layer, and after etching, the tin of the etching layer is dissolved, then the PCB is washed, and the residual impurities on the PCB surface are removed by cleaning. However, a large amount of wastewater is generated during the cleaning and dissolving process, and the wastewater contains tin and other impurities. In order to reduce the waste of water resources and minerals, people generally recycle the wastewater.

[0003] The traditional recycling method is to filter the waste liquid and then decompose the liquid by chemical substances. During the filtering process, a filter screen is generally used for filtering. In order to improve work efficiency, prevent the filter screen from being blocked, and reduce the disassembly frequency, water is injected into the filter screen to clean the filter screen, and the filter screen is cleaned by external equipment. This operation causes waste of water resources and affects the cleaning efficiency of the equipment, such as the patent No. CN202223002495.0, which has the above-mentioned problems, resulting in waste of water resources during equipment cleaning and recycling. UTILITY MODEL CONTENTS

[0004] In view of the problems existing in the prior art, the utility model provides a PCB etching line tin removal after washing tin recovery device, which solves the problem of waste of water resources caused by multiple cleaning of the equipment.

[0005] The utility model is implemented as follows: a PCB etching line tin removal after washing tin recovery device, comprising a recovery box, further comprising:

[0006] A filter plate is rotatably arranged in the recovery box and used for filtering tin in the liquid.

[0007] A collection box is slidably arranged in the recovery box and used for collecting solid on the filter plate.

[0008] A vibration assembly is arranged on the filter plate and used for vibration when the filter plate rotates, comprising a slide plate fixedly arranged at both ends of the filter plate, the slide plate is slidably arranged in an outer shell, the outer shell is rotatably arranged in the recovery box, a spring is arranged at the rear side of the slide plate and used for resetting the slide plate, and the end portion of the slide plate is driven to slide through a track ring arranged in the recovery box.

[0009] A driving assembly is arranged on the recovery box and used for driving the filter plate to rotate through the vibration assembly and simultaneously driving the collection box to move.

[0010] As a preferred embodiment of this utility model, the vibration assembly includes a connecting rod fixedly disposed between the slide plate and the filter plate, a guide groove is provided on the outer shell, the slide plate is slidably disposed in the guide groove through a straight guide block, the outer shell is rotatably disposed on the recycling bin through a transmission shaft, and the spring is disposed between the inner wall and the slide plate.

[0011] As a preferred embodiment of this invention, an auxiliary wheel is provided at the end of the skateboard. The auxiliary wheel is fixedly connected to the skateboard via a sliding rod slidably disposed within the outer casing. The auxiliary wheel travels on the inner side wall of the track ring.

[0012] As a preferred embodiment of this utility model, the drive assembly includes a drive motor mounted on the recycling bin. The drive end of the drive motor is equipped with a first half gear for driving the collection bin to move and a second half gear for driving the filter plate to rotate. A first full gear is driven at the end of the transmission shaft. The first full gear meshes with the second half gear. A gearbox for speed regulation is mounted on the recycling bin. Two second full gears are provided on the gearbox. One of the second full gears meshes with the first half gear, and the other second full gear meshes with a rack fixedly mounted on the collection bin.

[0013] As a preferred embodiment of this invention, the collection box is slidably disposed within the recycling box via two guide rails.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This invention uses a drive component in the device to drive the filter plate to rotate, effectively rotating the top surface of the filter plate to the lower side. Simultaneously, with the collection box, solids on the filter plate are effectively cleaned and collected, avoiding the need for multiple cleanings with water, thus preventing water waste and clogging during filtration. Furthermore, the rotation of the filter plate, combined with a vibration component, effectively vibrates the filter plate, causing solids to quickly separate from it, thereby improving filtration efficiency and making the device more convenient and efficient to use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the front view structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the present invention from the left side view;

[0018] Figure 3 This is a schematic diagram of the internal structure of this utility model from a partial rear view. Figure 1 ;

[0019] Figure 4 is a partial rear perspective view of the internal structure of the utility model Figure 2 .

[0020] In the figure:

[0021] 1, recycling box; 2, filter plate; 3, collection box; 4, shell; 5, sliding plate; 6, spring; 7, sliding rod; 8, auxiliary wheel; 9, track ring; 10, guide groove; 11, connecting rod; 12, guide block; 13, transmission shaft; 14, drive motor; 15, first half gear; 16, second half gear; 17, first full gear; 18, gear box; 19, second full gear; 20, rack. DETAILED DESCRIPTION

[0022] In order to further understand the utility model content, characteristics and effects of the utility model, the following examples are given, and the details are described as follows with the help of the drawings.

[0023] The structure of the utility model will be described in detail below with reference to the drawings.

[0024] As Figures 1 to 4 indicated, the utility model embodiment provides a PCB etching line tinning after removing tin and tin recovery device of washing, including recycling box 1, still including:

[0025] Rotary setting in recycling box 1, for the filter plate 2 of tin filtration in liquid;

[0026] Slidingly arranged in recycling box 1, for the collection box 3 of solid collection on filter plate 2;

[0027] Vibration assembly, setting on filter plate 2, for the vibration of filter plate 2 rotation, including fixedly setting the sliding plate 5 of both ends of filter plate 2, sliding plate 5 slidingly arranged in a shell 4, shell 4 rotationally arranged in recycling box 1, sliding plate 5 rear side sets a spring 6 for its reset, and the end of sliding plate 5 is driven to slide by the track ring 9 arranged in recycling box 1;

[0028] Drive assembly, setting on recycling box 1, for driving filter plate 2 rotation through vibration assembly, and simultaneously driving collection box 3 to move.

[0029] As preferred in the utility model, the vibration assembly includes the connecting rod 11 fixedly arranged between sliding plate 5 and filter plate 2, the guide groove 10 is formed on shell 4, sliding plate 5 is slidingly arranged in guide groove 10 through a one-letter-shaped guide block 12, shell 4 is rotationally arranged on recycling box 1 through a transmission shaft 13, spring 6 is arranged between inner wall and sliding plate 5, for keeping the movement of filter plate 2, and simultaneously making it form vibration, improve the cleaning efficiency and cleaning quality of the surface of filter plate 2.

[0030] As the utility model discloses, an auxiliary wheel 8 is arranged at the end of the sliding plate 5, and the auxiliary wheel 8 is fixedly connected with the sliding plate 5 through a sliding rod 7 arranged in the shell 4, and the auxiliary wheel 8 walks on the inner side wall of the track ring 9, so that the filter plate 2 is vibrated, and the vibration is formed according to the path of the track ring 9.

[0031] As the utility model discloses, the driving assembly comprises a driving motor 14 arranged on the recovery box 1, the driving end of the driving motor 14 is provided with a first half gear 15 for driving the collection box 3 to move and a second half gear 16 for driving the filter plate 2 to rotate, the end of the transmission shaft 13 is provided with a first full gear 17, the first full gear 17 is in meshing connection with the second half gear 16, a gear box 18 for speed regulation is arranged on the recovery box 1, two second full gears 19 are arranged on the gear box 18, one of the second full gears 19 is in meshing connection with the first half gear 15, and the other second full gear 19 is in meshing connection with a rack 20 fixedly arranged on the collection box 3, so that the collection box 3 and the filter plate 2 are driven to work respectively, and the effect that the collection box 3 collects impurities on the surface of the filter plate 2 when the filter plate 2 rotates is realized.

[0032] As the utility model discloses, the collection box 3 is slidably arranged in the recovery box 1 through two guide rails arranged on the recovery box 1, so that the movement of the collection box 3 is guided, and the deviation of the collection box 3 during movement is avoided.

[0033] The working principle of the utility model is as follows:

[0034] Reference Figure 2 The waste liquid is injected into the recovery box 1 through the pipeline at the top of the recovery box 1, and the liquid is filtered through the filter plate 2, so that the liquid is discharged from the bottom of the recovery box 1, and the impurities in the liquid are retained on the filter plate 2.

[0035] Reference Figure 1 The driving motor 14 drives the first half gear 15 and the second half gear 16 to rotate, the first half gear 15 drives the second full gear 19 to rotate when the first half gear 15 drives the second full gear 19 to rotate, the second half gear 16 is in an idle state because the installation positions of the first half gear 15 and the second half gear 16 are arranged in a staggered mode, the first half gear 15 drives the gear box 18 to rotate through the second full gear 19, the second full gear 19 at the output end of the gear box 18 rotates in a forward direction, simultaneously drives the rack 20 to move, the rack 20 pulls the collection box 3 to slide when the rack 20 moves, the first half gear 15 is separated from the second full gear 19 when the collection box 3 moves to the lower side of the filter plate 2, the second half gear 16 and the first full gear 17 are in meshing connection at this moment, and the second half gear 16 is in an idle state.

[0036] When the second half gear 16 drives the first full gear 17 to rotate forward, the first full gear 17 drives the transmission shaft 13 to rotate, when the transmission shaft 13 rotates, the transmission shaft 13 drives the shell 4 in the track ring 9 to rotate, when the shell 4 rotates, the auxiliary wheel 8 on the side of the shell 4 moves on the track ring 9, and the concave-convex position of the track ring 9 extrudes the auxiliary wheel 8 to move, at this time, the auxiliary wheel 8 extrudes the sliding plate 5 in the spring 6 to slide, when the sliding plate 5 slides, the spring 6 is compressed, when the auxiliary wheel 8 moves to the concave position, the spring 6 resets, and the sliding plate 5 quickly moves, at this time, the sliding plate 5 slides in the guide groove 10 through the guide block 12 on the connecting rod 11, so that the filter plate 2 quickly vibrates, and the filter plate 2 is vibrated while rotating by cooperation of the transmission shaft 13, when the filter plate 2 rotates by 180 degrees, the top surface of the filter plate 2 faces downward, so that impurities can be effectively transported into the collecting box 3, thereby reducing liquid flushing, that is, the impurities on the top surface of the filter plate 2 can be effectively cleaned, and then the driving motor 14 is reversely rotated, so that the filter plate 2 is reset, and the collecting box 3 is pulled out, so as to be repeatedly used. Figure 3 Figure 4

[0037] The utility model discloses a driving assembly in the equipment drives filter plate 2 to rotate, can effectively rotate the top surface of filter plate 2 to the downside, and cooperation collection box 3's collection can effectively clean the solid on filter plate 2, and simultaneously collect, avoid the need of filter plate 2 using clean water to clean repeatedly, thereby leading to the waste of water resources, simultaneously avoid the filter plate 2 in the process of filtering and appear the situation of jam, and cooperation vibration subassembly in the process of filter plate 2 rotating, can effectively vibrate filter plate 2, make the solid on filter plate 2 quickly separate with filter plate 2, thereby improve its filtering efficiency, make the equipment more convenient and fast when using.

[0038] It is to be understood that the terms such as first and second, and the like, can merely be used to differentiate one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] While the embodiments of the present application have been illustrated and described, it will be clear to those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, and it is intended that the application be limited only by the scope of the claims as set forth or equivalents thereof.​​

Claims

1. A PCB etching line post-tinning water washing tin recovery device, comprising a recovery box (1), characterized in that: Also include: The filter plate (2) is arranged in the recycling box (1) for filtering tin in the liquid; The collection box (3) is arranged in the recycling box (1) for collecting solid on the filter plate (2); The vibration assembly is arranged on the filter plate (2) for vibration when the filter plate (2) rotates, including the slide plate (5) fixedly arranged at both ends of the filter plate (2), the slide plate (5) is slidably arranged in a housing (4), the housing (4) is rotatably arranged in the recycling box (1), the rear side of the slide plate (5) is provided with a spring (6) for resetting, and the end of the slide plate (5) is driven to slide through the track ring (9) arranged in the recycling box (1); The driving assembly is arranged on the recycling box (1) for driving the filter plate (2) to rotate through the vibration assembly and simultaneously driving the collection box (3) to move.

2. The device for recovering tin after PCB etching line desmear and water rinsing according to claim 1, characterized in that: The vibration assembly includes a connecting rod (11) fixedly arranged between the slide plate (5) and the filter plate (2), the housing (4) is provided with a guide groove (10), the slide plate (5) is slidably arranged in the guide groove (10) through a straight guide block (12), the housing (4) is rotatably arranged on the recycling box (1) through a transmission shaft (13), and the spring (6) is arranged between the inner wall and the slide plate (5).

3. The device for recovering tin after PCB etching line desmear and water rinsing according to claim 2, characterized in that: The end of the slide plate (5) is provided with an auxiliary wheel (8), the auxiliary wheel (8) is fixedly connected with the slide plate (5) through a slide rod (7) slidably arranged in the housing (4), and the auxiliary wheel (8) walks on the inner side wall of the track ring (9).

4. The device for recovering tin after PCB etching line desmear and water rinsing according to claim 3, characterized in that: The driving assembly includes a driving motor (14) mounted on the recycling box (1), a first half gear (15) for driving the collection box (3) to move and a second half gear (16) for driving the filter plate (2) to rotate are mounted on the driving end of the driving motor (14), the end of the transmission shaft (13) is drivingly provided with a first full gear (17), the first full gear (17) is meshingly connected with the second half gear (16), a gear box (18) for speed regulation is mounted on the recycling box (1), two second full gears (19) are arranged on the gear box (18), one of the second full gears (19) is meshingly connected with the first half gear (15), and the other second full gear (19) is meshingly connected with a rack (20) fixedly arranged on the collection box (3).

5. The apparatus for recovering tin after PCB etching line desmear and water rinsing and tin plating according to claim 4, characterized in that: The collection box (3) is slidably arranged in the recycling box (1) through two guide rails arranged in the recycling box (1).

Citation Information

Patent Citations

  • PCB (printed circuit board) tin stripping waste liquid recovery device

    CN218740490U