PCB pickling equipment

Abstract

The utility model discloses PCB (Printed Circuit Board) pickling equipment which comprises a pickling assembly, comprising an acid pickling box, a sealing door hinged to the acid pickling box, an acid pickling pump installed at the top end of the acid pickling box, an acid liquor spray head connected to the acid pickling pump and fixed to the top end of an inner cavity of the acid pickling box, an exhaust pipe connected to the acid pickling box and an acid liquor collecting bin formed in the bottom of the acid pickling box. A slot is formed in the inner wall of the pickling box, and a filter plate is placed in the slot; the clamping assemblies are symmetrically arranged on the side walls of the pickling box and can fix the circuit board placed in the inner cavity of the pickling box; the cleaning assembly is arranged on the inner wall of the pickling box and can clean the circuit board which is fixed on the clamping assembly and subjected to pickling; by means of the pickling tank, residues obtained after pickling do not need to be cleaned in the next cleaning step, and cleaning of the residues can be completed in the pickling tank.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board pickling, in particular to a PCB board pickling device. Background Art

[0002] The global LED market maintains a rapid growth trend, mainly due to the explosive growth of LED demand in indoor general lighting, architectural lighting, landscape lighting, backlight sources and outdoor LED large screens. With the maturity of technology and the reduction of costs, the market penetration rate of LED in the general lighting field will further increase. LED is built on PCB boards.

[0003] PCB stands for printed circuit board. During the manufacturing process, PCB needs to be ground and cleaned, and also needs to be pickled with sulfuric acid.

[0004] However, when the PCB board is pickled, the residues after pickling may still remain on the surface of the PCB board, and need to be cleaned by subsequent secondary ultrasonic waves, clean water, etc., which increases the cleaning steps. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above problems and / or the problems existing in the existing PCB pickling equipment, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a PCB board pickling equipment. When using this device, first put the PCB circuit board into the inner cavity of the pickling box, then turn on the first cylinder to drive the strap to move to the bottom of the circuit board, place the circuit board on the strap, turn on the electric push rod to drive the pressure plate to fix the circuit board, then turn on the pickling pump to pickle the circuit board, and then turn on the second cylinder to drive the cleaning bar to clean the residues left by the pickling on the surface of the circuit board. If the width of the circuit board is larger than the cleaning bar, the motor is turned on at the same time to drive the threaded rod to rotate, driving the moving block and the cleaning bar to move left and right to clean the surface of the circuit board.

[0008] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0009] A PCB pickling device, comprising:

[0010] A pickling assembly, comprising a pickling box, a sealing door hinged on the pickling box, a pickling pump installed at the top of the pickling box, an acid liquid spray head connected to the pickling pump and fixed at the top of the inner cavity of the pickling box, an exhaust pipe connected to the pickling box, and an acid liquid collection bin opened at the bottom of the pickling box;

[0011] A clamping assembly is symmetrically arranged on the side wall of the pickling box and can fix the circuit board placed in the inner cavity of the pickling box;

[0012] The cleaning component is arranged on the inner wall of the pickling box and can clean the circuit board fixed on the clamping component and after pickling.

[0013] As a preferred solution of the PCB board pickling equipment described in the utility model, guide plates are symmetrically fixed on the side walls of the pickling box, and the guide plates are located on the top of the acid liquid collecting bin.

[0014] As a preferred solution of the PCB board pickling equipment described in the utility model, a slot is opened on the inner wall of the pickling box, and a filter plate is placed in the slot.

[0015] As a preferred solution of a PCB board pickling equipment described in the utility model, the clamping assembly includes a first cylinder installed on the outer wall of the pickling box, a strap fixed on the push rod of the first cylinder, an L-shaped frame fixed on the strap, an electric push rod fixed on the L-shaped frame, and a pressure plate fixed at the bottom end of the electric push rod.

[0016] As a preferred solution of a PCB board pickling equipment described in the utility model, the cleaning component includes a first mounting groove opened on the inner wall of the pickling box, a guide rod fixed on the inner wall of the first mounting groove, a threaded rod rotatably installed on the first mounting groove, a motor coaxially connected to the outer end of the threaded rod, a moving block sleeved on the guide rod and simultaneously engaged with the threaded rod, a second mounting groove opened on the moving block, a second cylinder installed in the second mounting groove and a cleaning strip fixed on the push rod of the second cylinder, and the cleaning strip is attached to the surface of the circuit board.

[0017] Compared with the prior art, the utility model has the following beneficial effects: when using the device, first put the PCB circuit board into the inner cavity of the pickling box, then start the first cylinder to drive the strap to move under the circuit board, place the circuit board on the strap, start the electric push rod to drive the pressure plate to fix the circuit board, then start the pickling pump to pickle the circuit board, then start the second cylinder to drive the cleaning bar to clean the residue left by the pickling on the surface of the circuit board, if the width of the circuit board is larger than the cleaning bar, then start the motor at the same time to drive the threaded rod to rotate, drive the moving block and the cleaning bar to move left and right to clean the surface of the circuit board; the residue after pickling does not need the next cleaning step, and the residue can be cleaned in the pickling box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of a PCB pickling device according to the utility model;

[0020] Figure 2 This is a side cross-sectional view of the overall structure of a PCB pickling device of the utility model;

[0021] Figure 3 This utility model is a PCB board pickling equipment Figure 2 A partial enlarged view of middle A;

[0022] Figure 4 This utility model is a PCB board pickling equipment Figure 2 A partial enlarged view of B. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] The utility model provides a PCB pickling device. When using the device, the PCB circuit board is first placed in the inner cavity of the pickling box, and then the first cylinder is turned on to drive the strapping plate to move to the bottom of the circuit board, the circuit board is placed on the strapping plate, the electric push rod is turned on to drive the pressing plate to fix the circuit board, and then the pickling pump is turned on to pickle the circuit board, and then the second cylinder is turned on to drive the cleaning bar to clean the residues left by the pickling on the surface of the circuit board. If the width of the circuit board is larger than the cleaning bar, the motor is turned on at the same time to drive the threaded rod to rotate, and the moving block and the cleaning bar are driven to move left and right to clean the surface of the circuit board; the residues after pickling do not need the next cleaning step, and the cleaning of the residues can be completed in the pickling box.

[0027] Figure 1-Figure 4 The utility model is a schematic diagram of the overall structure of a PCB pickling device according to an embodiment of the present invention. Figure 1-Figure 4 In this embodiment, a PCB pickling device is provided, and its main body includes a pickling component 100, a clamping component 200 and a cleaning component 300.

[0028] The pickling assembly 100 includes a pickling box 110, a sealing door 120 hinged on the pickling box 110, a pickling pump 130 installed on the top of the pickling box 110, an acid liquid spray head 130a connected to the pickling pump 130 and fixed on the top of the inner cavity of the pickling box 110, an exhaust pipe 140 connected to the pickling box 110, and an acid liquid collection bin 150 opened at the bottom of the pickling box 110.

[0029] A guide plate 160 is symmetrically fixed on the side wall of the pickling box 110, and the guide plate 160 is located on the top of the acid liquid collection bin 150; a slot 110a is opened on the inner wall of the pickling box 110, and a filter plate 170 is placed in the slot 110a;

[0030] The clamping assembly 200 is symmetrically arranged on the side wall of the pickling box 110, and can fix the circuit board placed in the inner cavity of the pickling box 110; the clamping assembly 200 includes a first cylinder 210 installed on the outer wall of the pickling box 110, a strap 220 fixed on the push rod of the first cylinder 210, an L-shaped frame 230 fixed on the strap 220, an electric push rod 240 fixed on the L-shaped frame 230, and a pressing plate 250 fixed at the bottom end of the electric push rod 240;

[0031] The cleaning assembly 300 is arranged on the inner wall of the pickling box 110, and can clean the circuit board fixed on the clamping assembly 200 and after pickling; the cleaning assembly 300 includes a first mounting groove 310 opened on the inner wall of the pickling box 110, a guide rod 320 fixed on the inner wall of the first mounting groove 310, a threaded rod 330 rotatably installed on the first mounting groove 310, a motor 330a coaxially connected to the outer end of the threaded rod 330, a moving block 340 sleeved on the guide rod 320 and engaged with the threaded rod 330 at the same time, a second mounting groove 340a opened on the moving block 340, a second cylinder 350 installed in the second mounting groove 340a and a cleaning strip 360 fixed on the push rod of the second cylinder 350, and the cleaning strip 360 is attached to the surface of the circuit board.

[0032] Combination Figure 1-Figure 4 , a PCB pickling device of this embodiment, the specific use process is as follows: when using this device, first put the PCB circuit board into the inner cavity of the pickling box 110, then turn on the first cylinder 210 to drive the strap 220 to move to the bottom of the circuit board, place the circuit board on the strap 220, turn on the electric push rod 240 to drive the pressing plate 250 to fix the circuit board, then turn on the pickling pump 130 to pickle the circuit board, and then turn on the second cylinder 350 to drive the cleaning bar 360 to clean the residue left by the pickling on the surface of the circuit board. If the width of the circuit board is larger than the cleaning bar 360, the motor 330a is turned on at the same time to drive the threaded rod 330 to rotate, and drive the moving block 340 and the cleaning bar 360 to move left and right to clean the surface of the circuit board; the residue after pickling can be cleaned in the pickling box 110 without the need for the next cleaning step.

[0033] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A PCB pickling equipment, characterized in that: include: A pickling assembly (100) comprises a pickling box (110), a sealing door (120) hinged on the pickling box (110), a pickling pump (130) installed at the top of the pickling box (110), an acid liquid spray head (130a) connected to the pickling pump (130) and fixed at the top of the inner cavity of the pickling box (110), an exhaust pipe (140) connected to the pickling box (110), and an acid liquid collection bin (150) opened at the bottom of the pickling box (110); A clamping assembly (200) is symmetrically arranged on the side wall of the pickling box (110) and can fix a circuit board placed in the inner cavity of the pickling box (110); The cleaning component (300) is arranged on the inner wall of the pickling box (110) and can clean the circuit board fixed on the clamping component (200) and after pickling.

2. A PCB pickling equipment according to claim 1, characterized in that: A guide plate (160) is symmetrically fixed on the side wall of the pickling box (110), and the guide plate (160) is located on the top of the acid liquid collection bin (150).

3. A PCB pickling equipment according to claim 1, characterized in that: A slot (110a) is provided on the inner wall of the pickling box (110), and a filter plate (170) is placed in the slot (110a).

4. A PCB pickling equipment according to claim 1, characterized in that: The clamping assembly (200) comprises a first cylinder (210) mounted on the outer wall of the pickling box (110), a strap (220) fixed on a push rod of the first cylinder (210), an L-shaped frame (230) fixed on the strap (220), an electric push rod (240) fixed on the L-shaped frame (230), and a pressure plate (250) fixed at the bottom end of the electric push rod (240).

5. A PCB pickling equipment according to claim 1, characterized in that: The cleaning assembly (300) comprises a first mounting groove (310) provided on the inner wall of the pickling box (110), a guide rod (320) fixed on the inner wall of the first mounting groove (310), a threaded rod (330) rotatably mounted on the first mounting groove (310), a motor (330a) coaxially connected to the outer end of the threaded rod (330), a moving block (340) sleeved on the guide rod (320) and simultaneously engaged with the threaded rod (330), a second mounting groove (340a) provided on the moving block (340), a second cylinder (350) installed in the second mounting groove (340a), and a cleaning strip (360) fixed on the push rod of the second cylinder (350), wherein the cleaning strip (360) is attached to the surface of the circuit board.

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