Solder mask exposure machine special for circuit board

Abstract

The utility model relates to the technical field of anti-welding exposure machines, in particular to a special anti-welding exposure machine for a circuit board, which comprises an exposure box, the exposure device further comprises sliding rails, sliding blocks, a moving frame, a mounting sleeve, a mounting shaft, a rotating frame, a motor and a transmission belt, the sliding rails are connected to the left side and the right side of the interior of the exposure box, and the two sliding blocks are slidably connected to the interiors of the sliding rails; through the arrangement of the sliding rails, the sliding blocks, the mounting sleeves, the mounting shafts, the motor and the transmission belt, the arrangement of the sliding rails and the sliding blocks facilitates the front-back sliding of the moving frame and further facilitates the front-back sliding of the rotating frame, a PCB is placed in the rotating frame, the PCB can be moved into the exposure box through the sliding rails to be subjected to solder mask exposure, after one face is machined, the motor is started, and the PCB can be moved to the exposure box to be subjected to solder mask exposure. The output end of the motor can drive the mounting sleeve to rotate through the transmission belt, the mounting sleeve can drive the PCB on the rotating frame to turn over through the mounting shaft, the other face of the PCB can be subjected to solder mask exposure after turning over is completed, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anti -soldering exposure machine especially relates to the anti -soldering exposure machine special for circuit board. BACKGROUND

[0002] Anti -soldering is one of the processes in PCB printed circuit board, mainly realizes through anti -soldering exposure machine, and the anti -soldering exposure machine carries out exposure treatment to the solder resist ink coated on PCB through ultraviolet or other light source, makes the solder resist ink occur polymerization reaction, thereby forms the required solder resist pattern, and this kind of equipment usually has the characteristics of high-precision alignment system and high degree of automation, can significantly improve production efficiency and product quality.

[0003] Some anti -soldering exposure machines special for circuit board can only carry out single -sided anti -soldering exposure, when needing to carry out anti -soldering exposure to the other side of PCB circuit board, need to take out the exposure frame first, then personnel turn over, and then carry out exposure again, and the operation is more cumbersome, and the production efficiency of PCB circuit board is reduced.

[0004] Therefore, in view of the above-mentioned some anti -soldering exposure machines special for circuit board, it can only carry out single -sided anti -soldering exposure, when needing to carry out anti -soldering exposure to the other side of PCB circuit board, need to take out the exposure frame first, then personnel turn over, and then carry out exposure again, and the operation is more cumbersome, and the production efficiency of PCB circuit board is reduced. Utility model content

[0005] In order to overcome the problem that some anti -soldering exposure machines special for circuit board can only carry out single -sided anti -soldering exposure, when needing to carry out anti -soldering exposure to the other side of PCB circuit board, need to take out the exposure frame first, then personnel turn over, and then carry out exposure again, and the operation is more cumbersome, and the production efficiency of PCB circuit board is reduced.

[0006] The utility model discloses a technical scheme for a special anti-soldering exposure machine for circuit board, comprising an exposure box, a slide rail, a slide block, a moving frame, a mounting sleeve, a mounting shaft, a rotating frame, a motor and a transmission belt.

[0007] Preferably, the slide rail and the slide block are arranged to facilitate the forward and backward sliding movement of the moving frame, and thus facilitate the forward and backward sliding movement of the rotating frame. The PCB board is placed in the rotating frame, and the PCB board can be moved into the exposure box for anti-soldering exposure through the slide rail. After one side is processed, the motor is started, and the output end of the motor can drive the mounting sleeve to rotate through the transmission belt. The mounting sleeve can drive the PCB board on the rotating frame to flip through the mounting shaft. After flipping, the other side of the PCB board can be subjected to anti-soldering exposure, thereby improving the processing efficiency.

[0008] Preferably, the bottom of the moving frame is connected with a support rod at each corner, and the other end of the support rod is connected with a bottom plate.

[0009] Preferably, the top of the bottom plate is provided with a multi-stage push rod at each side, the output end of the multi-stage push rod is connected with a limiting plate, and the limiting plate is located at the lower end of the rotating frame.

[0010] Preferably, the inside of the mounting sleeve is connected with a protrusion at the top, the top of the mounting shaft is provided with a slot, and the protrusion and the slot are matched with each other.

[0011] Preferably, the inside of the mounting sleeve is connected with a spring away from the mounting shaft, and the other end of the spring is connected with a push plate.

[0012] Preferably, the top of the rotating frame is connected with a threaded seat at each side, and the threaded seat is internally screwed with a threaded rod.

[0013] Preferably, the upper end of the threaded rod is connected with a knob, the lower end of the threaded rod is connected with a pressing plate, and the pressing plate is arranged on the inside of the rotating frame.

[0014] The utility model discloses the beneficial effect:

[0015] 1. By setting the slide rail, sliding block, moving frame, mounting sleeve, mounting shaft, rotating frame, motor and transmission belt, the setting of the slide rail and sliding block facilitates the forward and backward sliding of the moving frame, and then facilitates the forward and backward sliding of the rotating frame, the PCB board is placed in the rotating frame, and the PCB board can be moved into the exposure box for solder mask exposure through the slide rail, after one side processing is completed, the motor is started, the output end of the motor can drive the mounting sleeve to rotate through the transmission belt, the mounting sleeve can drive the PCB board on the rotating frame to overturn through the mounting shaft, after overturning is completed, the other side of the PCB board can be subjected to solder mask exposure, and the processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the solder mask exposure machine special for the circuit board of the utility model is shown.

[0017] Figure 2 A three-dimensional sectional schematic diagram of the slide rail of the solder mask exposure machine special for the circuit board of the utility model is shown.

[0018] Figure 3 A three-dimensional structure schematic diagram of the moving frame of the solder mask exposure machine special for the circuit board of the utility model is shown.

[0019] Figure 4 A three-dimensional sectional schematic diagram of the mounting shaft of the solder mask exposure machine special for the circuit board of the utility model is shown.

[0020] Figure 5 A three-dimensional structure schematic diagram of the mounting shaft of the solder mask exposure machine special for the circuit board of the utility model is shown.

[0021] Figure 6 A three-dimensional structure schematic diagram of the solder mask exposure machine special for the circuit board of the utility model is shown. Figure 4 An enlarged structure schematic diagram of A of the solder mask exposure machine special for the circuit board of the utility model is shown.

[0022] Mark 1, exposure box; 2, slide rail; 3, sliding block; 4, moving frame; 5, mounting sleeve; 6, mounting shaft; 7, rotating frame; 8, support plate; 9, motor; 10, transmission belt; 11, support rod; 12, bottom plate; 13, multi-stage push rod; 14, limiting plate; 15, protruding block; 16, give way slot; 17, spring; 18, push plate; 19, threaded seat; 20, threaded rod; 21, knob; 22, pressing plate. DETAILED DESCRIPTION

[0023] The utility model will be further explained in combination with the drawings and examples.

[0024] Please refer to Figures 1-6The utility model provides a kind of special anti-solder exposure machine for circuit board of embodiment: line, including exposure box 1;Still including slide rail 2, sliding block 3, moving frame 4, mounting sleeve 5, mounting shaft 6, rotating frame 7, motor 9 and transmission belt 10, the inside left and right sides of exposure box 1 are connected with slide rail 2, the inside sliding connection of slide rail 2 has two sliding blocks 3, and moving frame 4 is connected between the two sliding blocks 3 of left and right sides, and the inside left and right ends of moving frame 4 are equally equipped with mounting sleeve 5 by bearing, and the inside of mounting sleeve 5 is provided with mounting shaft 6, and rotating frame 7 is connected between left and right two mounting shafts 6, and the left end of the back of moving frame 4 is connected with support plate 8, and motor 9 is installed on the top of support plate 8, and the outside of the output end of motor 9 is sleeved with transmission belt 10, and the other end of transmission belt 10 is penetrated in moving frame 4 and is sleeved on the outside of left mounting sleeve 5, the setting of slide rail 2 and sliding block 3 is convenient for the front and back sliding of moving frame 4, and then it is convenient for the front and back sliding of rotating frame 7, PCB board is placed in rotating frame 7, and PCB board can be moved to exposure box 1 for anti-solder exposure by slide rail 2, after the processing of a side is completed, start motor 9, and the output end of motor 9 can drive mounting sleeve 5 to rotate by transmission belt 10, and mounting sleeve 5 can drive PCB board on rotating frame 7 to overturn by mounting shaft 6, after overturning, the other side of PCB board can be exposed to anti-solder, improve the efficiency of processing.

[0025] Please refer to Figures 3-6In the embodiment, the bottom of the moving frame 4 is connected with a support rod 11 at four corners, the other end of the support rod 11 is connected with a bottom plate 12, the top of the bottom plate 12 is installed with a multi-stage push rod 13 at the front and rear sides, the output end of the multi-stage push rod 13 is connected with a limiting plate 14, the limiting plate 14 is located at the lower end of the rotating frame 7, the inner top of the mounting sleeve 5 is connected with a protrusion 15, the top of the mounting shaft 6 is provided with a gap slot 16, the protrusion 15 and the gap slot 16 are matched with each other, the side of the mounting sleeve 5 away from the mounting shaft 6 is connected with a spring 17, the other end of the spring 17 is connected with a push plate 18, when the rotating frame 7 needs to be turned over, the multi-stage push rod 13 is started, the multi-stage push rod 13 can drive the limiting plate 14 to move downward, the limiting plate 14 can thus play a role of giving way to the turning over of the rotating frame 7, after the rotating frame 7 is turned over, the multi-stage push rod 13 is started again to drive the limiting plate 14 to move to the bottom of the rotating frame 7, at this time the limiting plate 14 can play a role of limiting the rotating frame 7, avoiding the turning of the rotating frame 7 during the exposure, when other size PCBs need to be processed, the rotating frame 7 is moved into the mounting sleeve 5 on one side through the mounting shaft 6, at this time the mounting shaft 6 on the other side can be stretched out of the mounting sleeve 5, thus facilitating the disassembly of the rotating frame 7, the new rotating frame 7 is inserted into the mounting sleeve 5 on one side through the protrusion 15 and the gap slot 16, the push plate 18 is moved inward under the action of the mounting shaft 6, at this time the spring 17 is compressed, then the mounting shaft 6 on the other side is aligned with the mounting sleeve 5 on the other side, the rotating frame 7 is loosened, the push plate 18 is pushed to move to the middle under the action of the spring 17, thus completing the replacement of the rotating frame 7.

[0026] Please refer to Figure 6 In the embodiment, the top of the rotating frame 7 is connected with a threaded seat 19 at the left and right sides, the threaded seat 19 is internally screwed with a threaded rod 20, the upper end of the threaded rod 20 is connected with a knob 21, the lower end of the threaded rod 20 is connected with a pressing plate 22, the pressing plate 22 is arranged on the inner side of the rotating frame 7, when the PCB needs to be fixed, the PCB is placed in the rotating frame 7, the knobs 21 on both sides are turned, the knobs 21 drive the threaded rod 20 to rotate, the threaded rod 20 is moved downward under the action of the threads of the threaded seat 19, the pressing plate 22 can thus play a role of pressing and fixing the PCB, facilitating the subsequent turning operation.

[0027] In the work, the PCB board is placed in the rotating frame 7, the knob 21 on both sides is rotated, the knob 21 drives the threaded rod 20 to rotate, the threaded rod 20 is screwed by the threaded seat 19, so that the pressing plate 22 can be moved downward, the pressing plate 22 can press and fix the PCB board, then the rotating frame 7 is moved into the exposure box 1 through the slide rail 2 and the sliding block 3 for anti-soldering exposure, after one side is processed, the multi-stage push rod 13 is started, the multi-stage push rod 13 drives the limiting plate 14 to move downward, the limiting plate 14 can rotate the rotating frame 7, then the motor 9 is started, the output end of the motor 9 can drive the mounting sleeve 5 to rotate through the transmission belt 10, the mounting sleeve 5 can drive the PCB board on the rotating frame 7 to rotate, after the rotation is completed, the multi-stage push rod 13 is started again to drive the limiting plate 14 to move to the bottom of the rotating frame 7, at this time the limiting plate 14 can limit the rotating frame 7, then the other side of the PCB board can be exposed for anti-soldering exposure, when other size PCB boards need to be processed, the rotating frame 7 is moved to one side of the mounting sleeve 5 through the mounting shaft 6, at this time the other side of the mounting shaft 6 can be extended from the mounting sleeve 5, so that the rotating frame 7 is convenient to disassemble, the new rotating frame 7 is inserted into one side of the mounting sleeve 5 through the protrusion 15 and the limiting groove 16, the push plate 18 is moved inwardly by the mounting shaft 6, at this time the spring 17 is compressed, then the other side of the mounting shaft 6 is aligned with the other side of the mounting sleeve 5, the rotating frame 7 is loosened, the push plate 18 is pushed to the middle by the elastic force of the spring 17, so that the replacement of the rotating frame 7 is completed.

[0028] Through the above steps, by setting the mounting sleeve 5, the mounting shaft 6, the rotating frame 7, the motor 9 and the transmission belt 10, the motor 9 can drive the mounting sleeve 5 to rotate through the transmission belt 10, the mounting sleeve 5 can drive the PCB board on the rotating frame 7 to rotate through the mounting shaft 6, after the rotation is completed, the other side of the PCB board can be exposed for anti-soldering exposure, the processing efficiency is improved, to solve the problem that some existing anti-soldering exposure machines for circuit boards can only perform single-sided anti-soldering exposure, when the other side of the PCB circuit board needs to be exposed for anti-soldering exposure, the exposure frame needs to be taken out first, then the personnel turns it over, and then exposes it again, the operation is relatively cumbersome, and the production efficiency of the PCB circuit board is reduced.

Claims

1. A special-purpose anti-soldering exposure machine for a circuit board, comprising an exposure box (1); characterized in that: It also includes slide rail (2), slider (3), moving frame (4), mounting sleeve (5), mounting shaft (6), rotating frame (7), motor (9) and transmission belt (10), the inside of exposure box (1) left and right sides are connected with slide rail (2), the inside of slide rail (2) is connected with two sliders (3), the left and right two sliders (3) are connected with moving frame (4), the inside of moving frame (4) left and right ends are connected with mounting sleeve (5) through bearing, the inside of mounting sleeve (5) is provided with mounting shaft (6), the left and right sides of mounting shaft (6) are connected with rotating frame (7), the rear left end of moving frame (4) is connected with support plate (8), the top of support plate (8) is provided with motor (9), the output end outside of motor (9) is sleeved with transmission belt (10), the other end of transmission belt (10) penetrates moving frame (4) and is sleeved with the outside of left mounting sleeve (5).

2. The line board exclusive solder resist exposure machine according to claim 1, characterized by: The bottom of moving frame (4) is connected with support rod (11) at four corners, the other end of support rod (11) is connected with bottom plate (12).

3. The line board exclusive solder resist exposure machine according to claim 2, characterized by: The top of bottom plate (12) is provided with multistage push rod (13) on the left and right sides, the output end of multistage push rod (13) is connected with limiting plate (14), limiting plate (14) is located at the lower end of rotating frame (7).

4. The line board exclusive solder resist exposure machine according to claim 1, characterized by: The inside of mounting sleeve (5) is connected with protruding block (15) at the top, the top of mounting shaft (6) is provided with let slot (16), protruding block (15) and let slot (16) are matched with each other.

5. The line board exclusive solder resist exposure machine according to claim 1, characterized by: The inside of mounting sleeve (5) is connected with spring (17) away from mounting shaft (6), the other end of spring (17) is connected with push plate (18).

6. The line board exclusive solder resist exposure machine according to claim 1, wherein: The top of rotating frame (7) is connected with threaded seat (19) on the left and right sides, the inside of threaded seat (19) is connected with threaded rod (20) in screw thread.

7. The line board exclusive no-solder exposure machine according to claim 6, characterized in that: The upper end of threaded rod (20) is connected with knob (21), the lower end of threaded rod (20) is connected with pressing plate (22), pressing plate (22) is arranged on the inside of rotating frame (7).

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