Automatic cleaning device for circuit board processing

Abstract

The utility model discloses an automatic cleaning device for circuit board processing, which comprises a rack, a feeding mechanism arranged in the middle of the rack and used for continuously feeding circuit boards, the feeding mechanism comprises a fixing frame, a telescopic rod, a spiral spring, a pressing frame, a positive and negative rotation motor, a roller, a silica gel pad and a driving mechanism arranged at one end of the feeding mechanism, the driving mechanism comprises a driving motor A, a reciprocating screw rod, a driving seat and a limiting rod; through cooperation of a spiral spring and a telescopic rod, elastic force is used for pulling a pressing frame, a forward and reverse rotation motor drives a plurality of rollers to rotate under the transmission action of a toothed belt wheel and a toothed belt, and circuit boards of various specifications are conveyed under the friction action of a silica gel pad, and a driving motor A drives a driving seat to reciprocate along a limiting rod through a reciprocating lead screw; therefore, the cleaning mechanism is driven to clean the circuit boards of various specifications, and the cleaning efficiency of the circuit boards in the large-batch circuit board production process is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing and cleaning, in particular to an automatic cleaning device for circuit board processing. Background Art

[0002] Circuit boards provide the electrical connections for electronic components. The primary advantage of using circuit boards is that they significantly reduce wiring and assembly errors, improving automation and productivity. During circuit board production, plating solution adheres to the surface of the circuit board, requiring clean water to remove the plating solution before it can be transported to the subsequent drying process. After soldering, circuit boards also require cleaning to remove residual flux left on the board during the soldering process.

[0003] In the prior art, a Chinese utility model patent with authorization publication number CN208724262U relates to a circuit board cleaning device. This device uses a positioning fixture to clamp the circuit board, while a cleaning mechanism cleans the circuit board, replacing manual cleaning of the circuit board before soldering. This device can also clean the circuit board after soldering, improving work efficiency and providing a more thorough cleaning process. It also reduces space requirements. The cleaning liquid flows into the liquid reservoir through a water leak, increasing the frequency of water replacement, improving the cleanliness of the cleaning water, and improving washing efficiency, while also saving water and energy.

[0004] Compared with the existing technology, there are problems: some existing circuit board cleaning devices cannot continuously clean circuit boards of various specifications, resulting in low cleaning efficiency for large quantities of circuit boards.

[0005] Therefore, there is an urgent need for an automatic cleaning device for circuit board processing. Utility Model Content

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an automatic cleaning device for circuit board processing.

[0007] The utility model solves its technical problem through the following technical solutions: it includes a frame and a feeding mechanism arranged in the middle position of the frame for continuously feeding circuit boards, the feeding mechanism includes a fixed frame, the fixed frame is welded to the inner wall of the frame, a telescopic rod is arranged above the fixed frame, coil springs are arranged on both sides of the telescopic rod, a pressing frame is arranged at one end of the coil spring, one end of the fixed frame and the pressing frame are both provided with forward and reverse motors, the rotating end of the forward and reverse motors is provided with a roller, a silicone pad is provided on the outside of the roller, and also includes a driving mechanism arranged at one end of the feeding mechanism for driving the cleaning process, the driving mechanism includes a driving motor A, the driving motor A is fixed to one end of the pressing frame by bolts, the rotating end of the driving motor A is provided with a reciprocating screw, a driving seat is provided on the outside of the reciprocating screw, the inner walls of the fixed frame and the pressing frame are both provided with limiting rods, and the driving seat is slidably connected to the limiting rod.

[0008] As a further solution of the present invention: a cleaning mechanism is provided at one end of the driving mechanism for automatically cleaning the circuit board. The cleaning mechanism includes a driving motor B, which is provided below the driving seat. A rotating arm is provided at the rotating end of the driving motor B, and a liquid storage tank is provided above the rotating arm. Booster pumps are provided on both sides of the liquid storage tank, a nozzle is provided at one end of the booster pump, and a brush is provided below the rotating arm.

[0009] As a further solution of the present invention: a drying mechanism is provided at one end of the rack for automatically drying the cleaned circuit boards, the drying mechanism includes a hood, the hood is fixed to both sides of the rack by bolts, one side of the rack is provided with a plurality of air holes, a fan is provided at the bottom of the hood, and an electric heating plate is provided below the fan.

[0010] As a further solution of the present invention: a toothed pulley is provided at the rotating end of the forward and reverse rotating motor, and a toothed belt is provided on the outer side of the toothed pulley.

[0011] As a further solution of the present invention: a side panel is provided above the frame for limiting the position of the circuit board.

[0012] As a further solution of the present invention: a collecting box is provided below the frame, and an electric valve is provided at the bottom of the collecting box.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0014] 1. A coil spring is provided, which cooperates with the telescopic rod to pull the pressing frame by elastic force. A forward and reverse motor is provided. The forward and reverse motor drives multiple rollers to rotate through the transmission action of a toothed pulley and a toothed belt. Under the friction of the silicone pad, circuit boards of various specifications are transported. A drive motor A is provided. The drive motor A drives the drive base to move back and forth along the limit rod through a reciprocating screw, thereby driving the cleaning mechanism to clean circuit boards of various specifications, ensuring the cleaning efficiency of circuit boards during large-scale circuit board production;

[0015] 2. A booster pump is provided to pressurize the cleaning liquid, which is then sprayed out through the nozzle to rinse both sides of the circuit board. At the same time, the drive motor B drives the rotating arm to rotate, driving multiple brushes to brush both sides of the circuit board, thereby ensuring the cleaning efficiency of the circuit board and improving the cleaning effect of the circuit board;

[0016] 3. The electric heating plate is provided to heat the air, and the air is sprayed to both sides of the cleaned circuit board through the wind hood under the boost effect of the fan, thereby drying the cleaned circuit board, so that the automatic cleaning device for circuit board processing can quickly carry out the cleaning operation of the next circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It shows an isometric structural diagram provided according to an embodiment of the present utility model;

[0018] Figure 2 Shown is a diagram according to an embodiment of the present invention. Figure 1 A schematic diagram of the partially enlarged structure at point B in the middle;

[0019] Figure 3 It shows a schematic diagram of a front cross-sectional structure provided according to an embodiment of the utility model;

[0020] Figure 4 Shown is a diagram according to an embodiment of the present invention. Figure 3 Schematic diagram of the locally enlarged structure at point A in the middle.

[0021] Legend:

[0022] 100, frame; 200, toothed pulley; 300, toothed belt; 400, side panel; 500, collection box; 600, electric valve;

[0023] 101. Fixed frame; 102. Telescopic rod; 103. Coil spring; 104. Pressing frame; 105. Forward and reverse motor; 106. Roller; 107. Silicone pad;

[0024] 111. Driving motor A; 112. Reciprocating screw; 113. Driving seat; 114. Limiting rod;

[0025] 201, driving motor B; 202, rotating arm; 203, liquid storage tank; 204, booster pump; 205, nozzle; 206, brush;

[0026] 301. Wind hood; 302. Air vent; 303. Fan; 304. Electric heating plate. DETAILED DESCRIPTION

[0027] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0028] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0029] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0030] Example 1:

[0031] like Figure 1-4As shown, an automatic cleaning device for circuit board processing includes a frame 100 and a feeding mechanism arranged in the middle of the frame 100 for continuously feeding circuit boards. The feeding mechanism includes a fixing frame 101, which is welded to the inner wall of the frame 100. A telescopic rod 102 is fixed to the top of the fixing frame 101 by bolts. Coil springs 103 are fixed to both sides of the telescopic rod 102 by bolts. A pressing frame 104 is fixed to one end of the coil spring 103 by bolts. A forward and reverse motor 105 is fixed to one end of the fixing frame 101 and the pressing frame 104 by bolts. A roller 106 is fixed to the rotating end of the forward and reverse motor 105 by bolts. A silicone pad 107 is fixed to the outer side of the roller 106 by bolts. The rotating end of the motor 105 is fixed with a toothed pulley 200 by bolts, and the outer side of the toothed pulley 200 is connected to a toothed belt 300 for transmission. It also includes a driving mechanism arranged at one end of the feeding mechanism for driving the cleaning process. The driving mechanism includes a driving motor A111, and the driving motor A111 is fixed to one end of the pressing frame 104 by bolts. The rotating end of the driving motor A111 is fixed with a reciprocating screw 112 by bolts, and the outer side of the reciprocating screw 112 is connected to a driving seat 113 for transmission. The inner walls of the fixing frame 101 and the pressing frame 104 are fixed with a limiting rod 114 by bolts, and the driving seat 113 is slidably connected to the limiting rod 114. A side plate 400 is fixed with bolts above the frame 100 for limiting the circuit board.

[0032] In this embodiment, a coil spring 103 is provided, and the coil spring 103 cooperates with the telescopic rod 102 to pull the pressing frame 104 by utilizing elastic force. A forward and reverse motor 105 is provided, and the forward and reverse motor 105 drives multiple rollers 106 to rotate through the transmission action of the toothed pulley 200 and the toothed belt 300. Under the friction action of the silicone pad 107, circuit boards of various specifications are transported. A drive motor A111 is provided, and the drive motor A111 drives the drive seat 113 to move back and forth along the limit rod 114 through the reciprocating screw 112, thereby driving the cleaning mechanism to clean circuit boards of various specifications, thereby ensuring the cleaning efficiency of the circuit boards during the mass production of circuit boards.

[0033] Example 2:

[0034] like Figure 1-4As shown, an automatic cleaning device for circuit board processing is provided, wherein a cleaning mechanism is provided at one end of the driving mechanism for automatically cleaning the circuit board, and the cleaning mechanism comprises a driving motor B201, wherein the driving motor B201 is fixed to the bottom of the driving seat 113 by bolts, the rotating end of the driving motor B201 is fixed to a rotating arm 202 by bolts, a liquid storage tank 203 is fixed to the top of the rotating arm 202 by bolts, a booster pump 204 is fixed to both sides of the liquid storage tank 203 by bolts, a nozzle 205 is fixed to one end of the booster pump 204 by bolts, and a nozzle 205 is fixed to the bottom of the rotating arm 202 by bolts. A brush 206 is fixed with bolts, and a drying mechanism is provided at one end of the rack 100 for automatically drying the cleaned circuit boards. The drying mechanism includes a hood 301, which is fixed to both sides of the rack 100 by bolts. A plurality of air holes 302 are cut on one side of the rack 100. A fan 303 is fixed to the bottom of the hood 301 by bolts, and an electric heating plate 304 is fixed to the bottom of the fan 303 by bolts. A collection box 500 is fixed to the bottom of the rack 100 by bolts, and an electric valve 600 is fixed to the bottom of the collection box 500 by bolts.

[0035] In this embodiment, a booster pump 204 is provided to boost the pressure of the cleaning liquid, which is sprayed out through the nozzle 205 to rinse both sides of the circuit board at the same time. At the same time, the driving motor B201 drives the rotating arm 202 to rotate, driving multiple brushes 206 to brush both sides of the circuit board, thereby ensuring the cleaning efficiency of the circuit board while improving the cleaning effect of the circuit board. An electric heating plate 304 is provided to heat the air, which is sprayed to both sides of the cleaned circuit board through the wind hood 301 under the boosting action of the fan 303, thereby drying the cleaned circuit board, so that the automatic cleaning device for circuit board processing can quickly carry out the cleaning operation of the next circuit board.

[0036] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic cleaning device for circuit board processing, characterized in that: It comprises a frame (100) and a feeding mechanism arranged in the middle of the frame (100) for continuously feeding circuit boards. The feeding mechanism comprises a fixed frame (101), the fixed frame (101) is welded to the inner wall of the frame (100), a telescopic rod (102) is arranged above the fixed frame (101), coil springs (103) are arranged on both sides of the telescopic rod (102), a pressing frame (104) is arranged at one end of the coil spring (103), a forward and reverse motor (105) is arranged at one end of the fixed frame (101) and the pressing frame (104), a roller (106) is arranged at the rotating end of the forward and reverse motor (105), and a silicone pad (107) is arranged on the outer side of the roller (106). It also includes a driving mechanism arranged at one end of the feeding mechanism, which is used to drive the cleaning process. The driving mechanism includes a driving motor A (111), which is fixed to one end of the pressing frame (104) by bolts. A reciprocating screw (112) is provided at the rotating end of the driving motor A (111), and a driving seat (113) is provided on the outer side of the reciprocating screw (112). The inner walls of the fixing frame (101) and the pressing frame (104) are both provided with a limiting rod (114), and the driving seat (113) is slidably connected to the limiting rod (114).

2. The automatic cleaning device for circuit board processing according to claim 1, characterized in that: A cleaning mechanism is provided at one end of the driving mechanism for automatically cleaning the circuit board. The cleaning mechanism comprises a driving motor B (201), wherein the driving motor B (201) is provided below the driving seat (113), a rotating arm (202) is provided at the rotating end of the driving motor B (201), a liquid storage tank (203) is provided above the rotating arm (202), booster pumps (204) are provided on both sides of the liquid storage tank (203), a nozzle (205) is provided at one end of the booster pump (204), and a brush (206) is provided below the rotating arm (202).

3. The automatic cleaning device for circuit board processing according to claim 2, characterized in that: A drying mechanism is provided at one end of the frame (100) for automatically drying the cleaned circuit board. The drying mechanism comprises a hood (301), which is fixed to both sides of a frame (100) by bolts, and a plurality of air holes (302) are provided on one side of the frame (100). A fan (303) is provided at the bottom of the hood (301), and an electric heating plate (304) is provided below the fan (303).

4. The automatic cleaning device for circuit board processing according to claim 1, characterized in that: A toothed belt wheel (200) is provided at the rotating end of the forward and reverse motor (105), and a toothed belt (300) is provided on the outer side of the toothed belt wheel (200).

5. The automatic cleaning device for circuit board processing according to claim 1, characterized in that: A side plate (400) is provided above the frame (100) for limiting the position of the circuit board.

6. The automatic cleaning device for circuit board processing according to claim 1, characterized in that: A collection box (500) is provided below the frame (100), and an electric valve (600) is provided at the bottom of the collection box (500).

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