Cleaning device for circuit board production

Abstract

The utility model relates to a cleaning device for circuit board production, which comprises a rack, a clamping mechanism and a solid spray washing mechanism, the clamping mechanism comprises a sliding frame and a plurality of swing frames, the sliding frame is arranged on the rack in a sliding manner and is in transmission connection with a driving source, and each swing frame is provided with a first vertical part, a second vertical part and a transverse flat part; a first rotating shaft and a second rotating shaft which are rotationally arranged on the sliding frame are fixedly connected to the first vertical part and the second vertical part respectively, a clamping block is slidably arranged on the transverse flat part, a spring is arranged between the clamping block and the second vertical part, and a gear is fixedly connected to the first rotating shaft; a rack which is meshed with the gears and is in transmission connection with the air cylinder is arranged on the sliding frame in a sliding mode, and the spray-washing mechanism comprises a spray-washing frame arranged on the machine frame and a spray head arranged on the spray-washing frame. According to the cleaning device for circuit board production, the two faces of the circuit board can be cleaned at a time by driving the circuit board to swing, and the cleaning efficiency of the circuit board is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board production, in particular to a cleaning device used for circuit board production. Background Art

[0002] In the production process of circuit boards, the cleaning operation of the circuit boards is involved, and its purpose is to remove impurities attached to the surface of the circuit boards during the production process of the circuit boards. In the cleaning device in the prior art, the circuit boards are generally placed on a conveyor belt for cleaning, and the circuit boards are conveyed to the bottom of the nozzle along the conveyor belt, and the nozzle sprays the cleaning liquid on the circuit boards to clean the circuit boards. However, the above-mentioned cleaning device can only clean one side of the circuit board at a time, and it is necessary to cooperate with the turning over of the circuit board to complete the cleaning of both sides of the circuit board, which increases the cleaning process, and is limited by the size of the conveyor belt. The number of circuit boards that can be cleaned at one time is small, resulting in low cleaning efficiency.

[0003] In view of the above problems, the present invention makes improvements. Utility Model Content

[0004] The utility model provides a cleaning device for circuit board production, which solves the above problems existing in the prior art during use.

[0005] The technical solution of the utility model is achieved in this way:

[0006] A cleaning device for circuit board production, comprising a frame, a clamping mechanism and a spraying mechanism, wherein the clamping mechanism comprises a sliding frame and a plurality of swinging frames arranged on the sliding frame, the sliding frame is slidably arranged on the frame and is transmission-connected to a driving source, the swinging frame is U-shaped so that the swinging frame has a first vertical portion, a second vertical portion and a horizontal portion, the first vertical portion and the second vertical portion are respectively fixedly connected with a first rotating shaft and a second rotating shaft rotatably arranged on the sliding frame, a clamping block is slidably arranged on the horizontal portion, a spring is arranged between the clamping block and the second vertical portion, and two ends thereof are respectively fixedly connected to the clamping block and the second vertical portion, a first clamping groove and a second clamping groove aligned with each other are respectively opened on the surface of the clamping block opposite to the first vertical portion, a gear is fixedly connected to the first rotating shaft, a rack meshing with a plurality of gears and transmission-connected to a cylinder arranged on the sliding frame is slidably arranged on the sliding frame, the spraying mechanism comprises a spraying frame fixedly arranged on the frame for the clamping mechanism to pass through, and a plurality of nozzles with downward nozzles are arranged on the spraying frame.

[0007] Preferably, the frame is provided with two first linear slide rails located below both sides of the sliding frame, and both sides of the sliding frame are respectively fixedly connected to the sliding seats of the two first linear slide rails, the driving source is a motor, and a chain connected to the motor transmission is provided in the frame, and the sliding frame is fixedly connected to the chain.

[0008] Preferably, rubber pad layers are provided on the side walls of the first clamping groove and the second clamping groove.

[0009] Preferably, the horizontal flat portion is composed of a first horizontal flat portion and a second horizontal flat portion, the clamping block is slidably arranged on the second horizontal flat portion, the second horizontal flat portion is provided with a first adjustment groove, the first horizontal flat portion is fixedly connected with a first adjustment screw that matches the first adjustment groove and passes through the first adjustment groove, the first adjustment screw is threaded with a first adjustment nut that is tightly against the second horizontal flat portion, and the second rotating shaft is passed through the sliding frame.

[0010] Preferably, the spray frame is composed of a first frame and a second frame, the first frame is fixedly mounted on the frame, the spray head is mounted on the second frame, a second adjustment slot is opened on the second frame, a second adjustment screw matching the second adjustment slot and passing through the second adjustment slot is fixedly connected to the first frame, and a second adjustment nut tightly pressed against the second frame is threaded on the second adjustment screw.

[0011] Preferably, it also includes an air-drying mechanism, which includes an air-drying rack fixedly arranged on the frame behind the spray rack and through which the supporting mechanism can pass, and a fan arranged on the air-drying rack and connected to the interior of the air-drying rack, and a wind shield made of flexible material is arranged on the port of the air-drying rack.

[0012] Preferably, a recovery box is provided below the spray washing mechanism and the air drying mechanism.

[0013] In summary, the beneficial effects of the utility model are as follows: a plurality of circuit boards are placed on the swing frame and clamped and fixed by the first vertical portion and the clamping block respectively; after the sliding frame drives the circuit boards into the spray cleaning frame, the nozzle sprays cleaning liquid onto the circuit boards; at the same time, the cylinder drives the rack to slide and drives the swing frame and the circuit boards to swing back and forth through the gear, so that the cleaning liquid sprayed by the nozzle can be sprayed onto both surfaces of the circuit board in a very comprehensive manner and the two surfaces of multiple circuit boards can be sprayed at the same time, thereby improving the cleaning efficiency of the circuit boards; moreover, the operation of placing the circuit boards on the swing frame or removing the circuit boards from the swing frame is very convenient, which is convenient for loading and unloading the circuit boards when cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the clamping mechanism in the utility model;

[0017] Figure 3 It is a partial enlarged schematic diagram of the clamping structure in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the spray washing mechanism in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the air drying mechanism in the utility model.

[0020] In the figure: 1, frame; 11, first linear slide rail; 12, motor; 13, chain; 2, clamping mechanism; 21, sliding frame; 22, swing frame; 221, first vertical portion; 2211, first clamping groove; 222, second vertical portion; 223, horizontal portion; 2231, first horizontal portion; 2232, second horizontal portion; 2233, first adjustment groove; 2234, first adjustment screw; 2235, first adjustment nut; 224, first rotating shaft; 225 , second rotating shaft; 23, clamping block; 231, second clamping groove; 24, spring; 25, gear; 26, rack; 27, cylinder; 28, second linear slide rail; 3, spraying mechanism; 31, spraying frame; 311, first frame; 312, second frame; 313, second adjusting groove; 314, second adjusting screw; 315, second adjusting nut; 32, nozzle; 4, air drying mechanism; 41, air drying frame; 42, fan; 43, wind shield; 5, recycling box. DETAILED DESCRIPTION

[0021] The following will be combined with the attached embodiment of the present utility model Figure 1-5 , 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 them. 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] As shown in the figure, a cleaning device for circuit board production includes a frame 1, a clamping mechanism 2 and a spraying mechanism 3, the clamping mechanism 2 includes a sliding frame 21 and a plurality of swing frames 22 arranged on the sliding frame 21, the sliding frame 21 is slidably arranged on the frame 1 and is transmission-connected to the driving source, the swing frame 22 is U-shaped so that the swing frame 22 has a first vertical portion 221, a second vertical portion 222 and a horizontal portion 223, the first vertical portion 221 and the second vertical portion 222 are respectively fixedly connected with a first rotating shaft 224 and a second rotating shaft 225 rotatably arranged on the sliding frame 21, the horizontal portion 223 is slidably provided with a clamping block 23, the clamping A spring 24 is provided between the holding block 23 and the second vertical portion 222, with its two ends fixedly connected to the clamping block 23 and the second vertical portion 222 respectively. The surfaces of the clamping block 23 opposite to the first vertical portion 221 are respectively provided with a first clamping groove 2211 and a second clamping groove 231 aligned with each other. A gear 25 is fixedly connected to the first rotating shaft 224. A rack 26 meshing with a plurality of gears 25 and transmission connected to a cylinder 27 provided on the sliding frame 21 is slidably provided on the sliding frame 21. The spraying mechanism 3 includes a spraying frame 31 fixedly provided on the frame 1 for the clamping mechanism 2 to pass through, and a plurality of nozzles 32 with nozzles facing downwards are provided on the spraying frame 31.

[0023] Specifically, the frame 1 is provided with two first linear slide rails 11 located below both sides of the sliding frame 21, and the two sides of the sliding frame 21 are respectively fixedly connected to the sliding seats of the two first linear slide rails 11. The driving source is a motor 12. A chain 13 connected to the motor 12 is provided in the frame 1. The sliding frame 21 is fixedly connected to the chain 13. A second linear slide rail 28 is provided on the sliding frame 21, and the rack 26 is fixedly connected to the sliding seat of the second linear slide rail 28.

[0024] In the above embodiment, a plurality of circuit boards to be cleaned are fixed one by one on a plurality of swing racks 22. The specific operation is to clamp the circuit boards to be cleaned between the first vertical portion 221 and the clamping block 23, so that the two side ends of the circuit boards are respectively clamped in the first clamping groove 2211 and the second clamping groove 231, and the bottom end is against the horizontal flat portion 223. The clamping block 23 is acted upon by the spring 24 to slide toward the first vertical portion 221 on the horizontal flat portion 223 and cooperate with the first vertical portion 221 to clamp the circuit boards, so that the circuit boards are vertically fixed on the swing rack 22. Then the motor 12 drives the chain 13 to drive the sliding frame 21 to slide on the first linear slide rail 11 toward the spray rack 31, thereby driving the swing rack 22 and the circuit boards to move into the spray rack 31 and be located below the nozzle 32. A nozzle 32 connected to a water supply device (generally a water pump) sprays cleaning liquid onto the circuit board to wash the circuit board. At the same time, the cylinder 27 drives the rack 26 to slide back and forth on the second linear slide rail 28, and the gear 25 cooperates to drive a plurality of swing frames 22 and the circuit board to swing back and forth along the first rotating shaft 224 and the second rotating shaft 225. The reciprocating swing of the circuit board adjusts the angle of the circuit board toward the nozzle 32, so that the cleaning liquid sprayed by the nozzle 32 can be sprayed on both sides of the circuit board in a very comprehensive manner, and the two sides of multiple circuit boards can be sprayed at the same time, thereby improving the cleaning efficiency of the circuit board. In addition, the operation of placing the circuit board on the swing frame 22 or removing the circuit board from the swing frame 22 is very convenient, which is convenient for loading and unloading the circuit board when cleaning.

[0025] Preferably, rubber pads are provided on the side walls of the first clamping groove 2211 and the second clamping groove 231, so that after the two side ends of the circuit board are inserted into the first clamping groove 2211 and the second clamping groove 231, they are elastically squeezed by the rubber pads and are more firmly held in the first clamping groove 2211 and the second clamping groove 231, thereby ensuring the stability of the circuit board when it is fixed upright on the swing frame 22 for cleaning.

[0026] Preferably, the horizontal flat portion 223 is composed of a first horizontal flat portion 2231 and a second horizontal flat portion 2232, the clamping block 23 is slidably arranged on the second horizontal flat portion 2232, the second horizontal flat portion 2232 is provided with a first adjusting groove 2233, the first horizontal flat portion 2231 is fixedly connected with a first adjusting screw 2234 that matches the first adjusting groove 2233 and passes through the first adjusting groove 2233, the first adjusting screw 2234 is threaded with a first adjusting nut 2235 that is tightly against the second horizontal flat portion 2232, and the second The rotating shaft 225 is passed through the sliding frame 21. After loosening the first adjusting nut 2235, the second horizontal flat portion 2232 can be slid through the cooperation of the first adjusting groove 2233 and the first adjusting screw 2234 to adjust the distance between the first vertical portion 221 and the clamping block 23, so that the first vertical portion 221 and the clamping block 23 can cooperate to clamp and fix circuit boards of different sizes, which has better applicability. The second rotating shaft 225 passed through the sliding frame 21 can realize the sliding of the second horizontal flat portion 2232 while realizing the reciprocating swing of the swing frame.

[0027] Preferably, the spray cleaning frame 31 is composed of a first frame body 311 and a second frame body 312, the first frame body 311 is fixedly arranged on the frame 1, the spray head 32 is arranged on the second frame body 312, the second frame body 312 is provided with a second adjusting slot 313, the first frame body 311 is fixedly connected with a second adjusting screw 314 matching with the second adjusting slot 313 and passing through the second adjusting slot 313, the second adjusting screw 314 is threaded with a second adjusting nut 315 tightly abutting against the second frame body 312, after loosening the second adjusting nut 315, the second frame body can be longitudinally slid through the cooperation of the second adjusting slot 313 and the second adjusting screw 314 to adjust the height of the spray head 32, so that the height of the spray head 32 is adapted to the size of the circuit board, and the cleaning liquid is sprayed more comprehensively onto the two surfaces of the circuit board, thereby achieving a better cleaning effect.

[0028] Furthermore, it also includes an air-drying mechanism 4, which includes an air-drying frame 41 fixedly arranged on the frame 1 behind the spray frame 31 and through which the supporting mechanism can pass, and a fan 42 arranged on the air-drying frame 41 and connected to the inside of the air-drying frame 41, and a wind shielding curtain 43 made of flexible material is arranged on the port of the air-drying frame 41.

[0029] In the above preferred embodiment, the circuit board that has been cleaned leaves the spray rack 31 and enters the air drying rack 41 driven by the chain 13. The wind blown toward the circuit board by the fan 42 takes away the residual cleaning liquid on the circuit board to achieve air drying of the circuit board. At the same time, the cylinder 27 drives the swing rack 22 and the circuit board to swing back and forth through the rack 26 and the gear 25 so that the wind blown by the fan 42 blows more comprehensively on the two surfaces of the circuit board, thereby improving the efficiency of air drying. The air-dried circuit board can be unloaded after leaving the air drying rack 41 with the chain 13, thereby improving the efficiency of circuit board cleaning.

[0030] Preferably, a recovery box 5 is provided below the spray cleaning mechanism 3 and the air drying mechanism 4, and the cleaning liquid left on the circuit board during the spray cleaning and air drying process falls into the recovery box 5, so as to facilitate the recycling of the cleaning liquid.

[0031] The above description is only a preferred embodiment of the present invention and is 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 cleaning device for circuit board production, comprising a frame (1), characterized in that: The invention also comprises a clamping mechanism (2) and a spraying mechanism (3), wherein the clamping mechanism (2) comprises a sliding frame (21) and a plurality of swinging frames (22) arranged on the sliding frame (21), wherein the sliding frame (21) is slidably arranged on the frame (1) and is transmission-connected to a driving source, wherein the swinging frame (22) is U-shaped so that the swinging frame (22) has a first vertical portion (221), a second vertical portion (222) and a horizontal portion (223), wherein the first vertical portion (221) and the second vertical portion (222) are respectively fixedly connected with a first rotating shaft (224) and a second rotating shaft (225) rotatably arranged on the sliding frame (21), and a clamping block (23) is slidably arranged on the horizontal portion (223), wherein the clamping block (23) and the second vertical portion (221) are connected to each other. A spring (24) is provided between the machine frame (2) and the second vertical portion (222), the two ends of which are respectively fixedly connected to the clamping block (23) and the second vertical portion (222); the surface of the clamping block (23) opposite to the first vertical portion (221) is respectively provided with a first clamping groove (2211) and a second clamping groove (231) aligned with each other; a gear (25) is fixedly connected to the first rotating shaft (224); a rack (26) is slidably provided on the sliding frame (21) and is meshed with a plurality of gears (25) and is transmission-connected to a cylinder (27) provided on the sliding frame (21); the spraying mechanism (3) comprises a spraying frame (31) fixedly provided on the frame (1) and capable of allowing the clamping mechanism (2) to pass through; the spraying frame (31) is provided with a plurality of spray heads (32) with nozzles facing downward.

2. A cleaning device for circuit board production according to claim 1, characterized in that: The frame (1) is provided with two first linear slide rails (11) located below two sides of the slide frame (21); the two sides of the slide frame (21) are respectively fixedly connected to the slide seats of the two first linear slide rails (11); the driving source is a motor (12); a chain (13) drivingly connected to the motor (12) is provided in the frame (1); and the slide frame (21) is fixedly connected to the chain (13).

3. A cleaning device for circuit board production according to claim 1, characterized in that: Rubber cushion layers are provided on the side walls of the first clamping groove (2211) and the second clamping groove (231).

4. A cleaning device for circuit board production according to claim 1, characterized in that: The horizontal flat portion (223) is composed of a first horizontal flat portion (2231) and a second horizontal flat portion (2232) spliced ​​together; the clamping block (23) is slidably arranged on the second horizontal flat portion (2232); a first adjustment groove (2233) is provided on the second horizontal flat portion (2232); a first adjustment screw (2234) matching with the first adjustment groove (2233) and passing through the first adjustment groove (2233) is fixedly connected to the first horizontal flat portion (2231); a first adjustment nut (2235) tightly abutting against the second horizontal flat portion (2232) is screwed onto the first adjustment screw (2234); and the second rotating shaft (225) is passed through the sliding frame (21).

5. A cleaning device for circuit board production according to claim 1, characterized in that: The spray frame (31) is composed of a first frame body (311) and a second frame body (312) spliced ​​together; the first frame body (311) is fixedly arranged on the frame (1); the spray head (32) is arranged on the second frame body (312); a second adjustment slot (313) is provided on the second frame body (312); a second adjustment screw (314) matching with the second adjustment slot (313) and passing through the second adjustment slot (313) is fixedly connected to the first frame body (311); and a second adjustment nut (315) tightly abutting against the second frame body (312) is screwed onto the second adjustment screw (314).

6. A cleaning device for circuit board production according to claim 1, characterized in that: The device further comprises an air-drying mechanism (4), the air-drying mechanism (4) comprising an air-drying frame (41) fixedly arranged on the frame (1) and located behind the spray-washing frame (31) and capable of allowing the supporting mechanism to pass through, and a fan (42) arranged on the air-drying frame (41) and connected to the interior of the air-drying frame (41), wherein a wind-shielding curtain (43) made of a flexible material is arranged on a port of the air-drying frame (41).

7. A cleaning device for circuit board production according to claim 6, characterized in that: A recovery box (5) is provided below the spray washing mechanism (3) and the air drying mechanism (4).

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