Circuit board spraying device

Abstract

The utility model relates to the technical field of spraying devices, in particular to a circuit board spraying device which comprises a device body, fixing columns are fixedly connected to the two sides of the top end of the device body, connecting blocks are fixedly connected to one sides of the fixing columns, and a clamping device is fixedly connected between the connecting blocks. The top end of the fixing column is fixedly connected with the spraying mechanism, the overturning mechanism comprises a rack, the rack is located on one side of the fixing column, penetrates into the fixing column and is located above the connecting block, and one side of the fixing column is fixedly connected with the overturning mechanism which penetrates through the fixing column to the other side of the fixing column and is located above the connecting block. According to the circuit board double-face spraying device, the effect of double-face spraying operation on the circuit board can be achieved through mutual cooperation of internal parts of the overturning mechanism, the clamping device drives the circuit board to overturn, and then mutual cooperation of internal parts of the spraying mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying devices, in particular to a circuit board spraying device. 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, high-frequency boards, PCBs, ultra-thin circuit boards and ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layouts. Circuit boards can be called printed circuit boards or printed circuit boards, FPC circuit boards (FPC circuit boards are also called flexible circuit boards. Flexible circuit boards are made of polyimide or polyester film as a substrate. They are highly reliable and extremely flexible printed circuit boards with high wiring density, light weight, thin thickness, and good bendability). Circuit boards need to be primed before soldering pins. The primer is (flux), and its main function is to oxidize the residues and films on the surface of the circuit board to facilitate soldering pins on the surface of the circuit board.

[0003] However, the existing circuit board spraying device cannot automatically spray paint on both sides of the circuit board when in use, and usually needs to be turned over manually, thereby increasing the manual labor. Therefore, it is necessary to propose a circuit board spraying device to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a circuit board spraying device, which can achieve the effect of double-sided spraying of the circuit board through the mutual cooperation between the internal parts of the flipping mechanism, the circuit board is driven to flip through the clamping device, and then the internal parts of the spraying mechanism cooperate with each other, so as to solve the problem that the circuit board cannot be automatically sprayed on both sides in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board spraying device, comprising a device body, fixed columns are connected and fixed on both sides of the top of the device body, a connecting block is connected and fixed on one side of the fixed column, a clamping device is connected and fixed between the connecting blocks, a spraying mechanism is connected and fixed on the top of the fixed column, and a flipping mechanism is connected and fixed on one side of the fixed column, which passes through the fixed column to the other side of the fixed column and is located above the connecting block.

[0006] Preferably, the spraying mechanism includes a support column, which is connected and fixed above a fixed column, a servo motor is installed on one side of the support column, and a transmission shaft that penetrates into the interior of the support column is connected and fixed to the side of the servo motor close to the support column, a reciprocating screw is rotatably connected to the interior of the support column and is located on the side of the transmission shaft away from the servo motor, a sliding column is sleeved on the outer wall of the reciprocating screw and is located at the bottom end of the support column, a support plate is connected and fixed to the bottom end of the sliding column, and a connecting pipe is connected and fixed to one end of the top of the support plate and is located at one end of the sliding column.

[0007] Preferably, the flip mechanism includes a rack, which is located on one side of the fixed column, penetrates into the interior of the fixed column, and is located above the connecting block, the fixed column is slidably connected with a pull rod on the side away from the rack and penetrates into the interior of the fixed column, a connecting rod is connected and fixed between the rack and the pull rod, the interior of the fixed column is rotatably connected with a connecting shaft, the top end of the connecting shaft is connected and fixed with a transmission gear and is located at one end of the rack, the bottom end of the connecting shaft is connected and fixed with a No. 1 bevel gear, the bottom end of the No. 1 bevel gear is rotatably connected with a No. 2 bevel gear and is located on one side of the No. 1 bevel gear, one side of the No. 2 bevel gear is connected and fixed with a support rod, the side of the support rod away from the No. 2 bevel gear is connected and fixed with a transmission rod, penetrates the fixed column to one side of the connecting block, and is connected and fixed to the clamping device.

[0008] Preferably, a mounting groove matching the circuit board is provided inside the clamping device, a sliding groove matching the sliding column is provided inside the support column, and a plurality of nozzles are installed at the bottom end of the support plate.

[0009] Preferably, a movable groove matching the connecting shaft is opened inside the fixed column, the connecting shaft and the transmission rod are rotatably connected to the fixed column and the connecting block through bearings, an elastic block is opened on the inner wall of the fixed column, and a plurality of grooves matching the elastic block are opened on the outer wall of the connecting rod.

[0010] Preferably, a tooth groove matching the transmission gear is formed on the inner wall of one side of the rack, the first bevel gear and the second bevel gear are meshed with each other through a tooth block, and a circular arc is provided on the contact surface between the rack and the sliding column.

[0011] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0012] 1. First, fix the circuit board on the clamping device, and then start the servo motor. The servo motor drives the transmission shaft to rotate, and the rotation of the transmission shaft drives the reciprocating screw to rotate. The rotation of the reciprocating screw drives the sliding column to slide back and forth at the bottom of the support column. The sliding of the sliding column drives the support plate to move. At the same time, the connecting pipe transmits the spraying raw material to the nozzle at the bottom of the support plate. The movement of the support plate drives the nozzle at the bottom to spray the circuit board on the clamping device, and the spraying operation on the surface of the circuit board fixedly installed on the clamping device can be completed;

[0013] 2. The sliding column reciprocates and contacts with the rack, extruding the rack to move. The rack movement drives the transmission gear to rotate, the transmission gear rotation drives the connecting shaft to rotate, the connecting shaft rotation drives the No. 1 bevel gear to rotate, the No. 1 bevel gear rotation drives the No. 2 bevel gear rotation, the No. 2 bevel gear rotation drives the support rod to rotate, the support rod rotation drives the transmission rod to rotate, the transmission rod rotation drives the clamping device to rotate, thereby completing the flipping operation of the clamping device, and at the same time, the rack movement drives the connecting rod to move, so that the elastic block inside the fixed column contacts and fixes the connecting rod, and the fixing of the connecting rod is completed, and the fixing of the clamping device after flipping is completed, and then the internal parts of the sprayer mechanism cooperate with each other to complete the spraying operation on both sides of the circuit board, and then push the pull rod, the pull rod drives the connecting rod to move and separate from the elastic block, the connecting rod movement drives the rack to move, and the rack movement drives the transmission gear to move in the opposite direction, thereby driving the clamping device to flip back to the initial state, and the circuit board after spraying on the clamping device can be disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

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

[0016] Figure 2 It is a cross-sectional structural diagram of the support of the utility model;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the fixing column of the utility model;

[0018] Figure 4 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0019] Description of reference numerals:

[0020] 1. Device body; 101. Fixed column; 102. Connecting block; 2. Spraying mechanism; 201. Support column; 202. Servo motor; 203. Transmission shaft; 204. Reciprocating screw rod; 205. Sliding column; 206. Support plate; 207. Connecting pipe; 3. Turning mechanism; 301. Rack; 302. Connecting rod; 303. Pull rod; 304. Transmission gear; 305. Connecting shaft; 306. No. 1 bevel gear; 307. No. 2 bevel gear; 308. Support rod; 309. Transmission rod; 4. Clamping device. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] The utility model provides Figure 1-4 The circuit board spraying device shown includes a device body 1, fixed columns 101 are connected and fixed on both sides of the top of the device body 1, a connecting block 102 is connected and fixed on one side of the fixed column 101, a clamping device 4 is connected and fixed between the connecting blocks 102, a spraying mechanism 2 is connected and fixed on the top of the fixed column 101, a flipping mechanism 3 is connected and fixed on one side of the fixed column 101, which penetrates the fixed column 101 to the other side of the fixed column 101 and is located above the connecting block 102. Through the mutual cooperation between the internal parts of the flipping mechanism 3, the circuit board can be driven to flip through the clamping device 4, and then through the mutual cooperation between the internal parts of the spraying mechanism 2, the double-sided spraying operation of the circuit board can be completed.

[0023] According to the instructions attached Figure 1-4 The spraying mechanism 2 includes a support column 201, which is connected and fixed above the fixed column 101. A servo motor 202 is installed on one side of the support column 201. The servo motor 202 is connected and fixed to a transmission shaft 203 that penetrates into the support column 201 on one side of the support column 201. A reciprocating screw rod 204 is rotatably connected to the inside of the support column 201 and is located on the side of the transmission shaft 203 away from the servo motor 202. A sliding column 205 is sleeved on the outer wall of the reciprocating screw rod 204 and is located at the bottom end of the support column 201. A support plate 206 is connected and fixed to the bottom end of the sliding column 205. A connecting pipe 207 is connected and fixed to one end of the top of the support plate 206 and is located at one end of the sliding column 205. The sliding column 205 can be driven to move by the mutual cooperation between the internal parts of the spraying mechanism 2, thereby completing the spraying operation of the circuit board.

[0024] According to the instructions attached Figure 1-4The flip mechanism 3 includes a rack 301, which is located on one side of the fixed column 101 and penetrates into the interior of the fixed column 101 and is located above the connecting block 102. A pull rod 303 is slidably connected to the side of the fixed column 101 away from the rack 301 and penetrates into the interior of the fixed column 101. A connecting rod 302 is connected and fixed between the rack 301 and the pull rod 303. A connecting shaft 305 is rotatably connected to the interior of the fixed column 101. A transmission gear 304 is connected and fixed to the top of the connecting shaft 305 and is located at one end of the rack 301. The bottom end of the shaft 305 is connected and fixed with a first bevel gear 306, the bottom end of the first bevel gear 306 is rotatably connected with a second bevel gear 307 and is located on one side of the first bevel gear 306, one side of the second bevel gear 307 is connected and fixed with a support rod 308, the side of the support rod 308 away from the second bevel gear 307 is connected and fixed with a transmission rod 309, which passes through the fixed column 101 to one side of the connecting block 102, and is connected and fixed to the clamping device 4. The flipping operation of the clamping device 4 can be completed by the mutual cooperation between the internal parts of the flipping mechanism 3.

[0025] According to the instructions attached Figure 1-4 The interior of the clamping device 4 is provided with a mounting groove matching the circuit board, the interior of the support column 201 is provided with a sliding groove matching the sliding column 205, and a plurality of nozzles are installed at the bottom end of the support plate 206. The spraying operation of the circuit board fixed on the clamping device 4 can be completed through the nozzles installed at the bottom end of the support plate 206.

[0026] According to the instructions attached Figure 1-4 A movable groove matching the connecting shaft 305 is provided inside the fixed column 101. The connecting shaft 305 and the transmission rod 309 are rotatably connected to the fixed column 101 and the connecting block 102 through bearings. An elastic card block is provided on the inner wall of the fixed column 101, and a plurality of card slots matching the elastic card block are provided on the outer wall of the connecting rod 302. The elastic card block inside the fixed column 101 facilitates the position fixation of the connecting rod 302.

[0027] According to the instructions attached Figure 1-4 The inner wall of one side of the rack 301 is provided with a tooth groove matching the transmission gear 304, the first bevel gear 306 and the second bevel gear 307 are meshed with each other through the tooth block, and the contact surface between the rack 301 and the sliding column 205 is provided with an arc, through the first bevel gear 306 and the second bevel gear 307 are meshed with each other, so that the rotation of the first bevel gear 306 drives the rotation of the second bevel gear 307.

[0028] How this utility works:

[0029] Refer to the instruction manual Figure 1-4, first install and fix the circuit board on the clamping device 4, then start the servo motor 202, the servo motor 202 drives the transmission shaft 203 to rotate, the rotation of the transmission shaft 203 drives the reciprocating screw 204 to rotate, the rotation of the reciprocating screw 204 drives the sliding column 205 to slide back and forth at the bottom of the support column 201, the sliding of the sliding column 205 drives the support plate 206 to move, and at the same time the connecting pipe 207 transmits the spraying raw material to the nozzle at the bottom of the support plate 206, the movement of the support plate 206 drives the nozzle at the bottom to spray the circuit board on the clamping device 4, and the spraying operation on the surface of the circuit board fixedly installed on the clamping device 4 can be completed;

[0030] Refer to the instruction manual Figure 1-4 The sliding column 205 reciprocates and contacts the rack 301, squeezing the rack 301 to move, the rack 301 moves and drives the transmission gear 304 to rotate, the transmission gear 304 rotates and drives the connecting shaft 305 to rotate, the connecting shaft 305 rotates and drives the first bevel gear 306 to rotate, the first bevel gear 306 rotates and drives the second bevel gear 307 to rotate, the second bevel gear 307 rotates and drives the support rod 308 to rotate, the support rod 308 rotates and drives the transmission rod 309 to rotate, the transmission rod 309 rotates and drives the clamping device 4 to rotate, thereby completing the flipping operation of the clamping device 4, and at the same time the rack 301 moves and drives the connecting rod 302 Move so that the elastic block inside the fixing column 101 contacts and is fixed with the connecting rod 302. After the connecting rod 302 is fixed, the fixing of the clamping device 4 after flipping can be completed. After the spraying operation on both sides of the circuit board is completed through the cooperation of the internal parts of the spraying mechanism 2, the pull rod 303 is pushed. The pull rod 303 drives the connecting rod 302 to move and separate from the elastic block. The movement of the connecting rod 302 drives the rack 301 to move. The movement of the rack 301 drives the transmission gear 304 to move in the opposite direction, thereby driving the clamping device 4 to flip back to the initial state. The circuit board on the clamping device 4 after spraying can be disassembled.

[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A circuit board spraying device, comprising a device body (1), characterized in that: Fixed columns (101) are connected and fixed to both sides of the top of the device body (1), a connecting block (102) is connected and fixed to one side of the fixed column (101), a clamping device (4) is connected and fixed between the connecting blocks (102), a spraying mechanism (2) is connected and fixed to the top of the fixed column (101), and a flipping mechanism (3) is connected and fixed to one side of the fixed column (101), which passes through the fixed column (101) to the other side of the fixed column (101) and is located above the connecting block (102).

2. A circuit board spraying device according to claim 1, characterized in that: The spraying mechanism (2) comprises a support column (201), wherein the support column (201) is connected and fixed above a fixed column (101), a servo motor (202) is installed on one side of the support column (201), a transmission shaft (203) penetrating into the support column (201) is connected and fixed to the side of the servo motor (202) close to the support column (201), a reciprocating screw rod (204) is rotatably connected to the inside of the support column (201) and is located on the side of the transmission shaft (203) away from the servo motor (202), a sliding column (205) is sleeved on the outer wall of the reciprocating screw rod (204) and is located at the bottom end of the support column (201), a support plate (206) is connected and fixed to the bottom end of the sliding column (205), and a connecting pipe (207) is connected and fixed to one end of the top end of the support plate (206) and is located at one end of the sliding column (205).

3. A circuit board spraying device according to claim 1, characterized in that: The flip mechanism (3) comprises a rack (301), the rack (301) is located on one side of the fixed column (101), penetrates into the interior of the fixed column (101), and is located above the connecting block (102), a pull rod (303) is slidably connected to the side of the fixed column (101) away from the rack (301), and penetrates into the interior of the fixed column (101), a connecting rod (302) is connected and fixed between the rack (301) and the pull rod (303), a connecting shaft (305) is rotatably connected to the interior of the fixed column (101), and a transmission shaft (305) is connected and fixed to the top end thereof. The gear (304) is located at one end of the rack (301); the bottom end of the connecting shaft (305) is connected and fixed with a first bevel gear (306); the bottom end of the first bevel gear (306) is rotatably connected with a second bevel gear (307) and is located on one side of the first bevel gear (306); one side of the second bevel gear (307) is connected and fixed with a support rod (308); the side of the support rod (308) away from the second bevel gear (307) is connected and fixed with a transmission rod (309), passes through the fixed column (101) to one side of the connecting block (102), and is connected and fixed with the clamping device (4).

4. A circuit board spraying device according to claim 2, characterized in that: The clamping device (4) is provided with a mounting groove matching the circuit board, the support column (201) is provided with a sliding groove matching the sliding column (205), and a plurality of nozzles are installed at the bottom end of the support plate (206).

5. A circuit board spraying device according to claim 3, characterized in that: The interior of the fixed column (101) is provided with a movable groove matching the connecting shaft (305); the connecting shaft (305) and the transmission rod (309) are rotatably connected to the fixed column (101) and the connecting block (102) via bearings; the inner wall of the fixed column (101) is provided with an elastic block; and the outer wall of the connecting rod (302) is provided with a plurality of slots matching the elastic block.

6. A circuit board spraying device according to claim 3, characterized in that: The inner wall of one side of the rack (301) is provided with a tooth groove matching the transmission gear (304); the first bevel gear (306) and the second bevel gear (307) are meshed with each other through a tooth block; and a circular arc is provided on the contact surface between the rack (301) and the sliding column (205).

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