Circuit board surface coating device for circuit board production

Abstract

The invention provides a circuit board surface coating device for circuit board production, and relates to the technical field of circuit board production. The circuit board surface coating device for circuit board production comprises a base, a plurality of second mounting rods are fixedly connected to the upper surface of the base at intervals, two vertical plates are slidably connected to the upper surfaces of the second mounting rods correspondingly, rotating discs are rotatably connected to the side edges of the vertical plates correspondingly, first mounting rods are fixedly connected to the side edges of the rotating discs correspondingly, and the first mounting rods are fixedly connected to the side edges of the first mounting rods correspondingly. Connecting rods are slidably connected to the two ends of each first mounting rod, clamping blocks are fixedly connected to the front ends of the connecting rods, and clamping grooves are formed in the side edges of the clamping blocks. Through the structure, circuit boards of different sizes can be conveniently clamped, the circuit boards can be conveniently coated, the utilization rate of the device can be improved, and the working efficiency is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of circuit board production, in particular to a circuit board surface coating device used in circuit board production. Background Art

[0002] The names of circuit boards include: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin circuit boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Circuit boards miniaturize and visualize circuits, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layouts.

[0003] When applying for the present invention, after searching, it was found that a Chinese patent disclosed a "circuit board surface coating device for circuit board production", and its application number is "201710785259.5". This patent mainly uses a conveying device to convey the circuit board to the right, and a brush can evenly apply rosin water on the circuit board, thereby achieving the effect of reducing the labor intensity of workers, improving coating efficiency, and improving the production efficiency of circuit boards. However, only one side of the circuit board can be coated, and manual adjustment is required for the staff when coating the other side. In addition, the circuit board lacks positioning during the conveying process, and the circuit board is prone to offset, which affects the efficiency of circuit board coating. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the deficiencies of the prior art, the present invention provides a circuit board surface coating device for circuit board production, which solves the problem that the circuit board needs to be manually turned over and lacks positioning during coating.

[0005] (II) Technical solution To achieve the above purpose, the present invention is implemented through the following technical solutions: a circuit board surface coating device for circuit board production, comprising a base, a plurality of second mounting rods are fixedly connected to the upper surface of the base at intervals, two vertical plates are slidably connected to the upper surfaces of the plurality of second mounting rods, a plurality of vertical plates are rotatably connected to the sides with turntables, a plurality of turntable sides are fixedly connected to the first mounting rods, a plurality of first mounting rods are slidably connected to the two ends with connecting rods, a plurality of connecting rods are fixedly connected to the front ends with clamping blocks, and a plurality of clamping blocks are provided with card slots on the sides; The upper surface of the base is slidably connected to two slide rails, and the upper surfaces of the two slide rails are slidably connected to vertical rods, a movable plate is slidably connected between the two vertical rods, the movable plate is fixedly connected to a cross bar, the lower surface of the cross bar is slidably connected to a connecting frame, a cross tube is installed at the lower end of the connecting frame, a brush is arranged on the lower surface of the cross tube, a U-shaped block is slidably connected to the side of the cross bar, a rotating part is rotatably connected to the inner wall of the U-shaped block, and a smoothing plate is fixedly connected to the side of the rotating part.

[0006] Preferably, the inner walls of multiple second mounting rods are rotatably connected with a fourth threaded rod, the outer sides of multiple fourth threaded rods are threadedly connected with two fourth threaded blocks, the upper ends of multiple fourth threaded blocks are fixedly connected to the lower end of the vertical plate, and one end of multiple second mounting rods is installed with a third motor, and the output end is fixedly connected to one end of the fourth threaded rod.

[0007] Preferably, the inner walls of multiple first mounting rods are fixedly connected to two positioning plates, the sides of multiple positioning plates are rotatably connected to third threaded rods, the outer sides of multiple third threaded rods are threadedly connected to third threaded blocks, both sides of multiple third threaded blocks are fixedly connected to push rods, one end of multiple push rods extends through the middle of the positioning plate to the outside and is fixedly connected to a limiting plate, and the side of the limiting plate is fixedly connected to one end of the connecting rod.

[0008] Preferably, one end of each of the third threaded rods is fixedly connected to a first bevel gear, and a rocker is installed on the side of each of the first mounting rods. One end of the rocker extends through the side wall of the first mounting rod to the interior and is fixedly connected to a second bevel gear.

[0009] Preferably, the inner wall of the cross rod is rotatably connected to a second threaded rod, the outer wall of the second threaded rod is threadably connected to a second threaded block, the two sides of the second threaded block are respectively fixedly connected to the U-shaped block and the side wall of the connecting frame, a fourth motor is installed at one end of the cross rod, and the output end is fixedly connected to one end of the second threaded rod.

[0010] Preferably, support legs are fixedly connected to the four corners of the lower end of the base, a material box is provided at the lower end of the base, a conveying pump is provided at the bottom of the material box, and a connecting pipe is connected to the output end, and one end of the connecting pipe passes through the middle of the connecting frame and extends to the inside of the horizontal pipe.

[0011] Preferably, the inner walls of the two slide rails are rotatably connected to a first threaded rod, the outer surfaces of the first threaded rod are threadedly connected to a first threaded block, the upper end of the first threaded block is fixedly connected to the lower end of the vertical rod, the two slide rail side walls are fixedly connected to a mounting shell, the inner wall of the mounting shell is rotatably connected to a plurality of rotating rods, a pulley is installed on the outside of the rotating rod, and belts are installed on the outsides of two adjacent pulleys, a second motor is installed on the side wall of the mounting shell, and the output end is fixedly connected to one end of one of the rotating rods.

[0012] Preferably, the inner walls of the two vertical rods are fixedly connected with a sliding rod, the outer side of the sliding rod is slidably connected with a sliding block, the side wall of the sliding block is fixedly connected to the side wall of the movable plate, a fixed plate is fixedly connected between the two vertical rods, an electric rod is provided on the upper end of the fixed plate, and the output end of the electric rod is fixedly connected to the upper surface of the movable plate.

[0013] Preferably, a first motor is installed on the side wall of the vertical plate, and the output end is fixedly connected to the side wall of the turntable. A positioning rod is slidably connected to the middle part of the rotating member, and the positioning rod is arranged in a hexagonal shape.

[0014] (III) Beneficial effects The present invention provides a circuit board surface coating device for circuit board production. It has the following beneficial effects: 1. The present invention utilizes a plurality of first mounting rods and connecting rods to cooperate with each other. The connecting rods are connected to clamping blocks, and the connecting rods are movable inside the first mounting rods. The distance between two adjacent clamping blocks can be adjusted. The clamping blocks are used to conveniently clamp and position the circuit board, so that the circuit board remains stable.

[0015] 2. The present invention utilizes a turntable to be connected with the first mounting rod, and utilizes a first motor to control the turntable to rotate. During the rotation process, the circuit board can be driven to flip, thereby improving work efficiency.

[0016] 3. The present invention utilizes the fourth threaded rod and the fourth threaded block to cooperate, and can adjust the distance between two adjacent vertical plates, so as to facilitate the clamping and positioning of circuit boards of different sizes, thereby improving the utilization rate of the device and avoiding the need to replace different devices when coating circuit boards of different sizes.

[0017] 4. The present invention cooperates with a U-shaped block, a rotating member and a smoothing plate. The rotating member rotates inside the U-shaped block to adjust the angle of the smoothing plate, thereby facilitating smoothing of the paint and avoiding accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a left side schematic diagram of the present invention; Figure 2 It is a right side schematic diagram of the present invention; Figure 3 It is a schematic diagram of the internal structure of the crossbar, the slide rail and the vertical bar of the present invention; Figure 4 It is a schematic diagram of the internal structure of the first mounting rod and the second mounting rod of the present invention; Figure 5 For the present invention Figure 3 The enlarged schematic diagram of point A in the middle; Figure 6 For the present invention Figure 4The enlarged schematic diagram of point B in the middle; Figure 7 It is a schematic cross-sectional view of the installation shell of the present invention.

[0019] Among them, 1, base; 2, mounting shell; 3, slide rail; 4, support leg; 5, connecting pipe; 6, material box; 7, first motor; 8, electric rod; 9, fixed plate; 10, vertical rod; 11, movable plate; 12, cross bar; 13, smoothing plate; 14, first mounting rod; 15, vertical plate; 16, second mounting rod; 17, second motor; 18, first threaded rod; 19, first threaded block; 20, slider; 21, slide rod; 22, third motor; 23, U-shaped block; 24, rotating part; 25 , positioning rod; 26, connecting frame; 27, cross tube; 28, brush; 29, fourth motor; 30, second threaded rod; 31, second threaded block; 32, turntable; 33, positioning plate; 34, limit plate; 35, push rod; 36, connecting rod; 37, clamping block; 38, third threaded block; 39, third threaded rod; 40, first bevel gear; 41, second bevel gear; 42, rocker; 43, pulley; 44, belt; 45, rotating rod; 46, fourth threaded rod; 47, fourth threaded block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example: like Figure 1-7 As shown, an embodiment of the present invention provides a circuit board surface coating device for circuit board production, including a base 1, a plurality of second mounting rods 16 are fixedly connected to the upper surface of the base 1 at intervals, two vertical plates 15 are slidably connected to the upper surfaces of the plurality of second mounting rods 16, the sides of the plurality of vertical plates 15 are rotatably connected to turntables 32, which are convenient for flipping the circuit board, the sides of the plurality of turntables 32 are fixedly connected to the first mounting rods 14, both ends of the plurality of first mounting rods 14 are slidably connected to connecting rods 36, the front ends of the plurality of connecting rods 36 are fixedly connected to clamping blocks 37, which are convenient for clamping and positioning the circuit board to keep the circuit board stable, and the sides of the plurality of clamping blocks 37 are provided with card slots; Two slide rails 3 are slidably connected to the upper surface of the base 1, and vertical rods 10 are slidably connected to the upper surfaces of the two slide rails 3, which are convenient for adjusting the position of the vertical rods 10, thereby adjusting the position of the brush 28. A movable plate 11 is slidably connected between the two vertical rods 10, and the movable plate 11 is fixedly connected to the cross bar 12. A connecting frame 26 is slidably connected to the lower surface of the cross bar 12, and a cross tube 27 is installed at the lower end of the connecting frame 26. A brush 28 is arranged on the lower surface of the cross tube 27, which is convenient for coating the material on the outside of the circuit board. A U-shaped block 23 is slidably connected to the side of the cross bar 12, and a rotating member 24 is rotatably connected to the inner wall of the U-shaped block 23, and the angle of the smoothing plate 13 can be adjusted to facilitate smoothing the material on the circuit board. The smoothing plate 13 is fixedly connected to the side of the rotating member 24.

[0022] The inner walls of the multiple second mounting rods 16 are rotatably connected with the fourth threaded rod 46, and the external threads of the fourth threaded rod 46 are symmetrically arranged, so that the two fourth threaded blocks 47 move toward each other, thereby adjusting the distance between the two adjacent vertical plates 15, which is convenient for clamping and positioning circuit boards of different sizes. The outer sides of the multiple fourth threaded rods 46 are threadedly connected with two fourth threaded blocks 47, and the upper ends of the multiple fourth threaded blocks 47 are fixedly connected to the lower ends of the vertical plates 15. One ends of the multiple second mounting rods 16 are installed with the third motor 22, and the output ends are fixedly connected to one end of the fourth threaded rod 46. The inner walls of the multiple first mounting rods 14 are fixedly connected with two positioning plates 33, and the sides of the multiple positioning plates 33 are rotatably connected with the third threaded rod 39. The outside of the threaded rod 39 is threadedly connected to a third threaded block 38, and both sides of the multiple third threaded blocks 38 are fixedly connected to push rods 35, one ends of the multiple push rods 35 extend through the middle of the positioning plate 33 to the outside, and are fixedly connected to the limiting plate 34, so as to adjust the distance between two adjacent clamping blocks 37, and the side of the limiting plate 34 is fixedly connected to one end of the connecting rod 36, one ends of the multiple third threaded rods 39 are fixedly connected to the first bevel gear 40, and the sides of the multiple first mounting rods 14 are installed with rocking arms 42, one end of the rocking arm 42 extends through the side wall of the first mounting rod 14 to the inside, and is fixedly connected to the second bevel gear 41. The first bevel gear 40 and the second bevel gear 41 are meshed with each other, so that the two third threaded rods 39 rotate simultaneously.

[0023] The inner wall of the cross bar 12 is rotatably connected with a second threaded rod 30, and the second threaded rod 30 is externally threadedly connected with a second threaded block 31. The second threaded block 31 is connected to the U-shaped block 23 and the side wall of the connecting frame 26 on both sides, and the positions of the smoothing plate 13 and the brush 28 can be adjusted at the same time. A fourth motor 29 is installed at one end of the cross bar 12, and the output end is fixedly connected to one end of the second threaded rod 30. The four corners of the lower end of the base 1 are fixedly connected to support legs 4, and a material box 6 is provided at the lower end of the base 1. A conveying pump is provided at the bottom of the material box 6, and the output end is connected with a connecting pipe 5. One end of the connecting pipe 5 passes through the middle of the connecting frame 26 and extends to the inside of the cross pipe 27. The inner walls of the two slide rails 3 are rotatably connected with the first threaded rod 18, and the first threaded rod 18 is externally threadedly connected with a first threaded block 19. The upper end of the first threaded block 19 is fixedly connected to the lower end of the vertical rod 10, so as to facilitate the movement of the vertical rod 10. The side walls of the two slide rails 3 are fixedly connected with a mounting shell 2. A plurality of rotating rods 45 are rotatably connected to the inner wall of the mounting shell 2, a pulley 43 is installed on the outside of the rotating rod 45, and a belt 44 is installed on the outside of two adjacent pulleys 43, so that the two first threaded rods 18 rotate simultaneously, a second motor 17 is installed on the side wall of the mounting shell 2, and the output end is fixedly connected to one end of one of the rotating rods 45, the inner walls of the two vertical rods 10 are fixedly connected to the sliding rods 21, the sliding rods 20 are slidably connected to the outside of the sliding rods 21, the side walls of the sliding rods 20 are fixedly connected to the side walls of the movable plate 11, a fixed plate 9 is fixedly connected between the two vertical rods 10, an electric rod 8 is arranged on the upper end of the fixed plate 9, and the output end of the electric rod 8 is fixedly connected to the upper surface of the movable plate 11, a first motor 7 is installed on the side wall of the vertical plate 15, and the output end is fixedly connected to the side wall of the turntable 32, a positioning rod 25 is slidably connected to the middle part of the rotating member 24, and the positioning rod 25 is arranged in a hexagonal shape, which is convenient for positioning the position of the rotating member 24, thereby positioning the angle of the smoothing plate 13.

[0024] Working principle: When in use, according to the size of the circuit board, the third motor 22 is used to drive the fourth threaded rod 46 to rotate, and the two fourth threaded blocks 47 move toward each other, thereby driving the vertical plate 15 to move, adjusting the distance between the clamping blocks 37, and the staff places the circuit board between adjacent clamping blocks, and uses the rocker 42 to drive the first bevel gear 40 and the second bevel gear 41 to rotate, so that the third threaded rod 39 rotates, and the third threaded block 38 moves outside the third threaded rod 39 with the cooperation of the positioning plate 33, thereby driving the limit plate 34 to move, which can drive the clamping block 37 to move, so that the clamping block 37 clamps and positions the circuit board; The electric rod 8 is used to push the movable plate 11 to move, so as to adjust the height of the brush 28 so that the brush 28 contacts the surface of the circuit board, and the U-shaped block 23 cooperates with the rotating member 24 to adjust the angle of the caressing plate 13. Then, the positioning rod 25 passes through the middle of the rotating member 24 to position the angle of the caressing plate 13. The material is transported to the inside of the horizontal pipe 27 through the connecting pipe 5 by the conveying pump, and the rotating rod 45 is driven to rotate by the second motor 17. Under the cooperation of the belt 44 and the pulley 43, the two first threaded rods 18 are simultaneously moved. Rotate, and during the rotation process, drive the vertical rod 10 to move, so that the brush 28 moves on the circuit board, so as to coat the surface of the circuit board, and the smoothing plate 13 can smooth the material to avoid accumulation. During the coating process, the second threaded rod 30 and the second threaded block 31 are used to cooperate, and the positions of the brush 28 and the smoothing plate 13 can be adjusted at the same time, so that the surface of the circuit board can be completely coated. After one side is coated, the first motor 7 is used to drive the turntable 32 to rotate, so that the circuit board is turned over, and the other side of the circuit board can be coated.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit board surface coating device for circuit board production, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected with a plurality of second mounting rods (16) at intervals, the upper surfaces of the plurality of second mounting rods (16) are slidably connected with two vertical plates (15), the sides of the plurality of vertical plates (15) are rotatably connected with a turntable (32), the sides of the plurality of turntables (32) are fixedly connected with the first mounting rods (14), both ends of the plurality of first mounting rods (14) are slidably connected with connecting rods (36), the front ends of the plurality of connecting rods (36) are fixedly connected with clamping blocks (37), and the sides of the plurality of clamping blocks (37) are provided with card slots; The upper surface of the base (1) is slidably connected to two slide rails (3), the upper surfaces of the two slide rails (3) are slidably connected to vertical rods (10), a movable plate (11) is slidably connected between the two vertical rods (10), the movable plate (11) is fixedly connected to a cross bar (12), the lower surface of the cross bar (12) is slidably connected to a connecting frame (26), a cross tube (27) is installed at the lower end of the connecting frame (26), a brush (28) is arranged on the lower surface of the cross tube (27), a U-shaped block (23) is slidably connected to the side of the cross bar (12), a rotating member (24) is rotatably connected to the inner wall of the U-shaped block (23), and a stroking plate (13) is fixedly connected to the side of the rotating member (24).

2. A circuit board surface coating device for circuit board production according to claim 1, characterized in that: The inner walls of the plurality of second mounting rods (16) are rotatably connected to a fourth threaded rod (46), the outer surfaces of the plurality of fourth threaded rods (46) are threadedly connected to two fourth threaded blocks (47), the upper ends of the plurality of fourth threaded blocks (47) are fixedly connected to the lower end of the vertical plate (15), and one end of the plurality of second mounting rods (16) is mounted with a third motor (22), and the output end is fixedly connected to one end of the fourth threaded rod (46).

3. A circuit board surface coating device for circuit board production according to claim 1, characterized in that: The inner walls of the plurality of first mounting rods (14) are fixedly connected to two positioning plates (33), the sides of the plurality of positioning plates (33) are rotatably connected to third threaded rods (39), the outsides of the plurality of third threaded rods (39) are threadedly connected to third threaded blocks (38), both sides of the plurality of third threaded blocks (38) are fixedly connected to push rods (35), one end of the plurality of push rods (35) passes through the middle of the positioning plate (33) and extends to the outside, and is fixedly connected to a limiting plate (34), and the side of the limiting plate (34) is fixedly connected to one end of a connecting rod (36).

4. A circuit board surface coating device for circuit board production according to claim 3, characterized in that: One end of each of the plurality of third threaded rods (39) is fixedly connected to a first bevel gear (40), and a rocker (42) is installed on the side of each of the plurality of first mounting rods (14). One end of each of the rocker (42) passes through a side wall of the first mounting rod (14) and extends to the interior, and is fixedly connected to a second bevel gear (41).

5. A circuit board surface coating device for circuit board production according to claim 1, characterized in that: The inner wall of the cross bar (12) is rotatably connected to a second threaded rod (30), the outer wall of the second threaded rod (30) is threadably connected to a second threaded block (31), the second threaded block (31) is connected to the U-shaped block (23) and the side wall of the connecting frame (26) on both sides, and a fourth motor (29) is installed at one end of the cross bar (12), and the output end is fixedly connected to one end of the second threaded rod (30).

6. A circuit board surface coating device for circuit board production according to claim 1, characterized in that: The four corners of the lower end of the base (1) are fixedly connected to support legs (4), the lower end of the base (1) is provided with a material box (6), the bottom of the material box (6) is provided with a delivery pump, and the output end is connected to a connecting pipe (5), one end of the connecting pipe (5) passes through the middle of the connecting frame (26) and extends to the inside of the horizontal pipe (27).

7. A circuit board surface coating device for circuit board production according to claim 1, characterized in that: The inner walls of the two slide rails (3) are both rotatably connected to a first threaded rod (18), the outer surfaces of the first threaded rod (18) are threadably connected to a first threaded block (19), the upper end of the first threaded block (19) is fixedly connected to the lower end of the vertical rod (10), the side walls of the two slide rails (3) are fixedly connected to a mounting shell (2), the inner wall of the mounting shell (2) is rotatably connected to a plurality of rotating rods (45), the outer surfaces of the rotating rods (45) are equipped with pulleys (43), and the outer surfaces of two adjacent pulleys (43) are equipped with belts (44), and the side walls of the mounting shell (2) are equipped with a second motor (17), and the output end is fixedly connected to one end of one of the rotating rods (45).

8. A circuit board surface coating device for circuit board production according to claim 1, characterized in that: The inner walls of the two vertical rods (10) are fixedly connected to a sliding rod (21), the outer part of the sliding rod (21) is slidably connected to a sliding block (20), the side wall of the sliding block (20) is fixedly connected to the side wall of the movable plate (11), a fixed plate (9) is fixedly connected between the two vertical rods (10), an electric rod (8) is arranged at the upper end of the fixed plate (9), and the output end of the electric rod (8) is fixedly connected to the upper surface of the movable plate (11).

9. A circuit board surface coating device for circuit board production according to claim 1, characterized in that: A first motor (7) is installed on the side wall of the vertical plate (15), and the output end is fixedly connected to the side wall of the rotating disk (32). A positioning rod (25) is slidably connected to the middle of the rotating member (24), and the positioning rod (25) is arranged in a hexagonal shape.

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