Pickling and board grinding device for circuit board processing

Abstract

The utility model relates to the technical field of circuit board production and processing, and provides an acid pickling and board grinding device for circuit board processing, which comprises an acid pickling box and a support fixed at the top of the acid pickling box, an upper washing brush and a lower washing brush are sequentially arranged in the acid pickling box from top to bottom, and a placing plate is arranged between the upper washing brush and the lower washing brush. A plate containing groove is formed in the top of the containing plate, and the bottom of the containing plate makes contact with the top of the lower washing brush. The cleaning mechanism is designed, a plurality of circuit boards can be cleaned at the same time through the cleaning mechanism, it is ensured that the upper faces and the lower faces of the circuit boards can make full contact with the upper washing brush and the lower washing brush, and it can be ensured that an acid solution can fully enter all areas of the circuit boards through rotation of the upper washing brush and the lower washing brush and contact of the comb bristles; the situation that some areas cannot be effectively cleaned due to stacked circuit boards is avoided, the cleaning effect can be improved, and the quality and performance of the circuit boards are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board production and processing, and specifically relates to a pickling and grinding device for circuit board processing. Background Art

[0002] The pickling and grinding device for circuit board processing refers to a device used to clean and remove oxides on the surface of circuit boards. In the process of circuit board manufacturing, some oxides, welding residues or other contaminants are inevitably formed, which need to be cleaned and treated by the pickling and grinding device. The pickling and grinding device consists of a pickling tank, a grinding machine, etc. Usually, pickling and grinding are two separate processes. First, the pickling process is carried out to soak the circuit board in an acidic solution to remove oxides and surface contaminants, and then the grinding process is carried out to grind the surface of the circuit board through a grinding machine or other equipment to further flatten the surface and remove residues.

[0003] When pickling circuit boards, they are usually stacked together for cleaning. When the circuit boards are stacked together, there will be gaps between the stacked circuit boards or they will be blocked from each other. Especially for the internal areas or bonding areas of the circuit boards, the stacked circuit boards may make it difficult for the acid solution to enter, resulting in these areas cannot be effectively cleaned, which will affect the cleanliness and quality of the circuit board surface, and may also affect the performance and reliability of the circuit boards.

[0004] Therefore need a kind of pickling and grinding plate device for circuit board processing. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a pickling and grinding device for circuit board processing.

[0006] The technical solution of the utility model is as follows: a pickling and grinding device for circuit board processing, comprising a pickling box and a bracket fixed on the top of the pickling box, wherein an upper washing brush and a lower washing brush are arranged in sequence from top to bottom inside the pickling box, a placing plate is arranged between the upper washing brush and the lower washing brush, a placing plate groove is opened on the top of the placing plate, the bottom of the placing plate contacts with the top of the lower washing brush, an adjusting component is arranged on the top of the upper washing brush, a mounting cylinder is arranged at the bottom of the bracket, and a cleaning mechanism is arranged inside the mounting cylinder.

[0007] Preferably, the cleaning mechanism includes a motor, which is fixed to the inner wall of the mounting cylinder, the output end of the motor is fixedly connected to bevel gear 1, the bottom of bevel gear 1 is meshed with bevel gear 2, the inner wall of bevel gear 2 is fixedly connected to an outer cylinder, and the upper brush sleeve is arranged on the outer wall of the outer cylinder.

[0008] Preferably, the top of the bevel gear one is meshed with a bevel gear three, the inner wall of the bevel gear three is fixedly connected with an inner rod, the inner rod is rotatably connected to the outer cylinder, and the lower brush is fixed to the outer wall of the bottom end of the inner rod.

[0009] Preferably, the placement plate is rotatably connected to the outer wall of the bottom end of the outer cylinder, a positioning block is fixedly connected to the circumferential surface of the placement plate, and the inner bottom wall of the pickling box is fixedly connected to a positioning seat that is engaged with the positioning block.

[0010] Preferably, the adjustment assembly includes a swivel, which is threadedly connected to the outer wall of the outer cylinder, and the bottom end of the swivel is fixedly connected to a connecting rod, and the bottom end of the connecting rod is rotatably connected to the top of the upper brush.

[0011] Preferably, a sliding block is fixedly connected to the inner wall of the upper scrubber, and a sliding groove for the sliding block to slide vertically is vertically opened on the outer wall of the outer cylinder.

[0012] Preferably, a cylinder is fixedly connected to the top of the bracket, and the mounting tube is fixed to the telescopic end of the cylinder.

[0013] The working principle and beneficial effects of the utility model are:

[0014] The utility model is designed with a cleaning mechanism, through which multiple circuit boards can be cleaned simultaneously, and it is ensured that the upper and lower surfaces of the circuit boards can fully contact with the upper washing brush and the lower washing brush. The rotation of the upper washing brush and the lower washing brush and the contact of the combing hairs can ensure that the acid solution can fully enter various areas of the circuit board, avoiding the stacked circuit boards causing certain areas to be unable to be effectively cleaned, which can improve the cleaning effect and ensure the quality and performance of the circuit boards. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure proposed by the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the installation tube proposed by the utility model;

[0019] Figure 4 The utility model proposed Figure 2 Schematic diagram of the enlarged structure of A.

[0020] In the figure: 1. pickling box; 2. bracket; 3. upper brush; 4. lower brush; 5. cylinder; 6. mounting cylinder; 7. cleaning mechanism; 71. motor; 72. bevel gear one; 73. bevel gear two; 74. outer cylinder; 75. bevel gear three; 76. inner rod; 8. adjustment assembly; 81. swivel; 82. connecting rod; 9. placement plate; 91. plate placement groove; 10. positioning block; 101. positioning seat. DETAILED DESCRIPTION

[0021] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 The utility model provides a technical solution for a pickling and grinding device for processing circuit boards: a pickling and grinding device for processing circuit boards, comprising a pickling box 1 and a bracket 2 fixed on the top of the pickling box 1, wherein an upper brush 3 and a lower brush 4 are arranged in sequence from top to bottom inside the pickling box 1;

[0023] A placing plate 9 is provided between the upper washing brush 3 and the lower washing brush 4, a placing plate groove 91 is provided on the top of the placing plate 9, the placing plate 9 is rotatably connected to the outer wall at the bottom end of the outer cylinder 74, a clamping block 10 is fixedly connected to the circumference of the placing plate 9, and a clamping seat 101 clamped with the clamping block 10 is fixedly connected to the inner bottom wall of the pickling box 1. When the staff places the circuit board in the placing plate groove 91, the bottom of the circuit board contacts the top of the lower washing brush 4. When the placing plate 9 is placed in the pickling box 1, the clamping block 10 is clamped into the clamping seat 101, so that the placing plate 9 can be placed statically, thereby preventing the placing plate 9 from being displaced as the outer cylinder 74 rotates;

[0024] Furthermore, the bottom of the placement plate 9 contacts the top of the lower washing brush 4, and an adjusting assembly 8 is provided on the top of the upper washing brush 3. The adjusting assembly 8 includes a swivel 81, which is threadedly connected to the outer wall of the outer cylinder 74, and the bottom end of the swivel 81 is fixedly connected to a connecting rod 82, and the bottom end of the connecting rod 82 is rotatably connected to the top of the upper washing brush 3. A slider is fixedly connected to the inner wall of the upper washing brush 3, and a slide groove for the slider to slide vertically is vertically provided on the outer wall of the outer cylinder 74. The swivel 81 is threadedly moved downward on the outer wall of the outer cylinder 74, so that the swivel 81 pushes the connecting rod 82 to push the upper washing brush 3 downward until the bottom of the upper washing brush 3 contacts the top of the placement plate 9. At this time, the upper and lower surfaces of the circuit board can contact the upper washing brush 3 and the lower washing brush 4.

[0025] The bottom of the bracket 2 is provided with a mounting tube 6, the top of the bracket 2 is fixedly connected with a cylinder 5, the mounting tube 6 is fixed to the telescopic end of the cylinder 5, and the cylinder 5 is started to make the telescopic end push the mounting tube 6 downward, so that the upper brush 3 and the lower brush 4 and the placement plate 9 are all placed in the pickling box 1 to be soaked in the acid solution;

[0026] Specifically, a cleaning mechanism 7 is provided inside the mounting cylinder 6, and the cleaning mechanism 7 includes a motor 71, which is fixed to the inner wall of the mounting cylinder 6, and the output end of the motor 71 is fixedly connected to a bevel gear 1 72, and a bevel gear 2 73 is meshed at the bottom of the bevel gear 1 72, and an outer cylinder 74 is fixedly connected to the inner wall of the bevel gear 2 73, and an upper washing brush 3 is sleeved on the outer wall of the outer cylinder 74, and a bevel gear 3 75 is meshed at the top of the bevel gear 1 72, and an inner rod 76 is fixedly connected to the inner wall of the bevel gear 3 75, and the inner rod 76 is rotatably connected to the outer cylinder 74, and a lower washing brush 4 is fixed to the outer wall of the bottom end of the inner rod 76, and the motor is started. The machine 71 drives the output end to drive the bevel gear 1 72 to rotate, and the bevel gear 1 72 rotates and meshes with the bevel gear 2 73 to cause the outer cylinder 74 to rotate. The rotation of the outer cylinder 74 can drive the upper washing brush 3 to rotate on the top of the placement plate 9. When the upper washing brush 3 rotates, the combed hair can fully contact with the top of the circuit board, thereby fully cleaning the top of the circuit board. At the same time, the bevel gear 1 72 meshes with the bevel gear 3 75 to drive the inner rod 76 to rotate, and the rotation of the inner rod 76 drives the lower washing brush 4 to rotate on the bottom of the placement plate 9. When the lower washing brush 4 rotates, the combed hair can fully contact with the bottom of the circuit board, thereby fully cleaning the bottom of the circuit board.

[0027] The working principle and use process of the utility model are as follows: the circuit board is placed in the board placement groove 91 to contact the top of the lower washing brush 4, the rotating ring 81 can make the upper and lower surfaces of the circuit board contact the upper washing brush 3 and the lower washing brush 4, the cylinder 5 is started to make the telescopic end push the upper washing brush 3 and the lower washing brush 4 and the placement board 9 to be all placed in the pickling box 1 to be soaked in the acid solution, the placement board 9 is placed in the pickling box 1 and the positioning block 10 is inserted into the positioning seat 101 to position the placement board 9, the motor 71 is started to rotate the bevel gear 1 72 to mesh with the bevel gear 2 73 The outer cylinder 74 rotates, and the rotation of the outer cylinder 74 can drive the upper washing brush 3 to rotate on the top of the placement plate 9. When the upper washing brush 3 rotates, the combed hair can fully contact with the top of the circuit board, thereby fully cleaning the top of the circuit board. At the same time, the bevel gear 1 72 and the bevel gear 3 75 are engaged to drive the inner rod 76 to rotate. The rotation of the inner rod 76 drives the lower washing brush 4 to rotate at the bottom of the placement plate 9. When the lower washing brush 4 rotates, the combed hair can fully contact with the bottom of the circuit board, thereby fully cleaning the bottom of the circuit board, which can improve the cleaning effect and ensure the quality and performance of the circuit board.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pickling and grinding device for processing circuit boards, comprising a pickling box (1) and a bracket (2) fixed on the top of the pickling box (1), characterized in that: The interior of the pickling box (1) is provided with an upper washing brush (3) and a lower washing brush (4) in sequence from top to bottom, a placement plate (9) is provided between the upper washing brush (3) and the lower washing brush (4), a placement plate groove (91) is provided at the top of the placement plate (9), the bottom of the placement plate (9) is in contact with the top of the lower washing brush (4), an adjustment component (8) is provided at the top of the upper washing brush (3), a mounting tube (6) is provided at the bottom of the bracket (2), and a cleaning mechanism (7) is provided inside the mounting tube (6).

2. A pickling and grinding device for circuit board processing according to claim 1, characterized in that: The cleaning mechanism (7) comprises a motor (71), the motor (71) being fixed to the inner wall of the mounting cylinder (6), the output end of the motor (71) being fixedly connected to a bevel gear 1 (72), the bottom of the bevel gear 1 (72) being meshed with a bevel gear 2 (73), the inner wall of the bevel gear 2 (73) being fixedly connected to an outer cylinder (74), and the upper brush (3) being sleeved on the outer wall of the outer cylinder (74).

3. A pickling and grinding device for circuit board processing according to claim 2, characterized in that: The top of the bevel gear 1 (72) is meshed with a bevel gear 3 (75), the inner wall of the bevel gear 3 (75) is fixedly connected with an inner rod (76), the inner rod (76) is rotatably connected to the outer cylinder (74), and the lower washing brush (4) is fixed to the outer wall of the bottom end of the inner rod (76).

4. A pickling and grinding device for circuit board processing according to claim 1, characterized in that: The placement plate (9) is rotatably connected to the outer wall of the bottom end of the outer cylinder (74), the circumferential surface of the placement plate (9) is fixedly connected to a locking block (10), and the inner bottom wall of the pickling box (1) is fixedly connected to a locking seat (101) that is locked with the locking block (10).

5. A pickling and grinding device for circuit board processing according to claim 1, characterized in that: The adjustment assembly (8) comprises a swivel (81) which is threadedly connected to the outer wall of the outer cylinder (74); the bottom end of the swivel (81) is fixedly connected to a connecting rod (82); the bottom end of the connecting rod (82) is rotatably connected to the top of the upper brush (3).

6. A pickling and grinding device for circuit board processing according to claim 1, characterized in that: The inner wall of the upper scrubber (3) is fixedly connected with a sliding block, and the outer wall of the outer cylinder (74) is vertically provided with a sliding groove for the sliding block to slide vertically.

7. A pickling and grinding device for circuit board processing according to claim 1, characterized in that: The top of the bracket (2) is fixedly connected to a cylinder (5), and the mounting tube (6) is fixed to the telescopic end of the cylinder (5).

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