Spraying device of PCB (Printed Circuit Board) solder mask developing machine

Abstract

The utility model discloses a spraying device of a PCB (Printed Circuit Board) solder mask developing machine, which comprises a working table, a power roller rotationally connected to the right side in the working table, a plurality of driven rollers rotationally connected to the interior of the working table, a spraying chamber arranged on the upper surface of the working table, a liquid storage tank arranged on one side surface of the spraying chamber, and a sliding rail arranged on one side surface of the spraying chamber, a toothed plate is slidably connected to the upper surface of the sliding rail, multiple sets of hollow rollers are rotationally connected into the spraying chamber, the left ends of the hollow rollers penetrate through one side face of the inner wall of the spraying chamber and are provided with gears, and the right ends of the hollow rollers penetrate through one side face of the inner wall of the spraying chamber and extend into the liquid storage box. The electric telescopic rod pushes the toothed plate to reciprocate on the sliding rail, the toothed plate is meshed with the gear at one end of the hollow roller to drive the hollow roller to rotate, the electric telescopic rod has a certain stroke and reciprocates to drive the hollow roller to rotate within a certain range, and the spraying range of the hollow roller is controlled. The spraying range of the liquid medicine is expanded, so that the spraying efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of spraying device, especially, relate to a kind of PCB solder mask developing machine spraying device. BACKGROUND

[0002] In order to describe the running of control process, the data structure of the management and control information of process stored in the system is called process control block (PCB Process Control Block), which is part of process entity, and is the most important recording data structure in operating system. When PCB plate is produced, the solder mask position on the PCB needs to be developed. Commonly, a developing machine sprays developing solution on the outside of the PCB circuit board, and the solder mask position outside the PCB circuit board can be developed by the developing solution.

[0003] The prior art has the following technical problems: the spraying pipe cannot rotate, resulting in uncontrollable spraying range, and the recycled developing solution cannot be filtered, which is not convenient for subsequent reuse, reduces the application range of the device, and cannot meet the use requirements well. Therefore, a PCB solder mask developing machine spraying device is proposed. SUMMARY

[0004] The utility model aims at providing a kind of PCB solder mask developing machine spraying device, to solve the existing problems.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model discloses a kind of PCB solder mask developing machine spraying device, including workbench, the right side of the workbench is rotatably connected with power roller, the workbench is rotatably connected with several driven rollers, the upper surface of the workbench is provided with spraying chamber, the side of the spraying chamber is provided with liquid storage tank, the side of the spraying chamber is provided with slide rail, the upper surface of the slide rail is slidably connected with toothed plate, the inside of the spraying chamber is rotatably connected with multiple groups hollow rollers, the left end of the hollow roller penetrates the side of the inner wall of spraying chamber, and is provided with gear, the right end of the hollow roller penetrates the side of the inner wall of spraying chamber, and extends into liquid storage tank, the right end of the hollow roller is rotatably connected with the side of the inner wall of liquid storage tank, the side of the hollow roller is communicated and is provided with a plurality of spray heads, the side of the spraying chamber is provided with fixed plate, the side of the fixed plate is provided with electric telescopic rod.

[0007] Further, the bottom surface of the workbench is provided with flow guide groove, the bottom surface of the flow guide groove is communicated and provided with connecting pipe, one end of the connecting pipe is communicated and provided with filter box, the opposite two surfaces of the inner wall of the filter box are provided with a plurality of sliding grooves, the filter plate is slidably connected in the sliding groove, the side of the filter box is communicated and provided with circulating pump, the output end of the circulating pump is communicated and provided with return pipe.

[0008] Further, the power roller and the driven roller are provided with pulleys at one end, the workbench is provided with a servo motor at one side, the output end of the electric telescopic rod is fixedly connected with one side of the gear plate, the hollow roller is communicated with the liquid storage tank at the right end, and the power roller and the driven roller are connected through a belt.

[0009] Further, the power roller and the driven roller are provided with pulleys at one end, the workbench is provided with a servo motor at one side, the output end of the electric telescopic rod is fixedly connected with one side of the gear plate, the hollow roller is communicated with the liquid storage tank at the right end, and the power roller and the driven roller are connected through a belt.

[0010] The utility model has the following beneficial effects:

[0011] The utility model discloses a hollow roller is rotated through the gear engagement of the gear plate and one end of the hollow roller, and the hollow roller is rotated in a certain range through the certain stroke and reciprocating movement of the electric telescopic rod, the spraying range of the hollow roller is controlled, the spraying range of the medicine water is expanded, and the efficiency of spraying is improved.

[0012] The developing solution is sprayed into the filter box from the flow guide groove, the developing solution passes through the filter plate, and then is delivered into the liquid storage tank through the circulating pump for multiple uses, so that the multiple circulation of the cleaning liquid by the solder mask developing machine spraying structure is realized, the use amount of the cleaning liquid is reduced, and it is to be noted that the filter plate is a PP filter screen, the material is polypropylene, the filter screen is resistant to acid and alkali corrosion, and is suitable for etching machines and developing machines and other equipment. In the application in the developing solution filtration, impurities can be effectively filtered, and the purity of the developing solution is guaranteed.

[0013] Of course, it is not necessary for any product implementing the utility model to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0015] Figure 1 It is a kind of PCB board solder mask developing machine spraying device's overall structure schematic diagram;

[0016] Figure 2 It is a kind of PCB board solder mask developing machine spraying device's main view;

[0017] Figure 3 It is Figure 2 Sectional view of part A-A in Fig.

[0018] Figure 4 It is an exploded view of a spraying device of a PCB solder mask developing machine.

[0019] In the drawings, the components represented by the respective reference numerals are listed as follows: 1, workbench; 101, power roller; 102, driven roller; 103, servo motor; 104, belt pulley; 2, spraying chamber; 11, sliding rail; 110, toothed plate; 111, fixed plate; 112, electric telescopic rod; 21, liquid storage tank; 22, hollow roller; 220, gear; 221, spray head; 13, flow guide groove; 3, filter box; 301, filter plate; 302, circulating pump; 303, return pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] In the description of the present application, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0022] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Please refer to Figure 1 - Figure 4The utility model discloses a PCB solder mask developing machine spraying device, including workbench 1, the right side of workbench 1 is rotatably connected with power roller 101, a plurality of driven rollers 102 are rotatably connected in workbench 1, and the upper surface of workbench 1 is provided with spraying chamber 2, one side of spraying chamber 2 is provided with liquid storage tank 21, one side of spraying chamber 2 is provided with slide rail 11, and the upper surface of slide rail 11 is slidably connected with the toothed plate 110, a plurality of hollow rollers 22 are rotatably connected in spraying chamber 2, the left end of hollow roller 22 penetrates one side of the inner wall of spraying chamber 2 and is provided with gear 220, the right end of hollow roller 22 penetrates one side of the inner wall of spraying chamber 2 and extends into liquid storage tank 21, and the right end of hollow roller 22 is rotatably connected with one side of the inner wall of liquid storage tank 21, a plurality of spray heads 221 are communicated and arranged on the circumferential surface of hollow roller 22, one side of fixed plate 111 is provided with electric telescopic rod 112, one end of power roller 101 and driven roller 102 is provided with belt pulley 104, and one side of workbench 1 is provided with servo motor 103.

[0024] Further, the bottom surface of workbench 1 is provided with a flow guide groove 13, the bottom surface of flow guide groove 13 is provided with a connecting pipe, one end of the connecting pipe is provided with a filter box 3, a plurality of sliding grooves are formed in the opposite surfaces of the inner wall of filter box 3, a filter plate 301 is slidably connected in the sliding grooves, a circulating pump 302 is communicated and arranged on one side of filter box 3, a return pipe 303 is communicated and arranged at the output end of circulating pump 302, one end of return pipe 303 is fixedly connected with one side of liquid storage tank 21 and communicates with liquid storage tank 21, and a water inlet is formed in the upper surface of liquid storage tank 21.

[0025] Further, the output end of electric telescopic rod 112 is fixedly connected with one side of toothed plate 110, the right end of hollow roller 22 communicates with liquid storage tank 21, and power roller 101 and driven roller 102 are connected through a belt.

[0026] Further, gear 220 is engaged with toothed plate 110, the output end of servo motor 103 penetrates one side of workbench 1 and is fixedly connected with one end of power roller 101.

[0027] It should be noted that the utility model drives toothed plate 110 to reciprocate on slide rail 11 through electric telescopic rod 112, toothed plate 110 is engaged with gear 220 at one end of hollow roller 22, and then drives hollow roller 22 to rotate, because the stroke of electric telescopic rod 112 is certain and reciprocating, and then hollow roller 22 can be driven to rotate in a certain range, the spraying range of hollow roller 22 is controlled, the spraying range of medicine water is expanded, and then the spraying efficiency is improved.

[0028] The spraying developing solution enters the filter box 3 from the flow guide groove 13, passes through the filter plate 301, and is then delivered into the liquid storage tank 21 by the circulating pump 302 for multiple uses, thereby realizing multiple circulation of the cleaning liquid by the spraying structure of the solder resist developing machine, reducing the use amount of the cleaning liquid.

[0029] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and do not limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that the persons skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A PCB solder mask developing machine spraying device comprising a workbench (1), characterized in that: The workbench (1) is rotatably connected with a power roller (101) on the right side, a plurality of driven rollers (102) are rotatably connected in the workbench (1), a spraying chamber (2) is arranged on the upper surface of the workbench (1), a liquid storage tank (21) is arranged on one side of the spraying chamber (2), a slide rail (11) is arranged on one side of the spraying chamber (2), a toothed plate (110) is slidably connected to the upper surface of the slide rail (11), a plurality of hollow rollers (22) are rotatably connected in the spraying chamber (2), the left end of the hollow roller (22) penetrates through one side of the inner wall of the spraying chamber (2) and is provided with a gear (220), the right end of the hollow roller (22) penetrates through one side of the inner wall of the spraying chamber (2) and extends into the liquid storage tank (21), the right end of the hollow roller (22) is rotatably connected with one side of the inner wall of the liquid storage tank (21), a plurality of nozzles (221) are communicated on the side surface of the hollow roller (22), and a fixed plate (111) is arranged on one side of the spraying chamber (2). One side of the fixed plate (111) is provided with an electric telescopic rod (112).

2. The spray device of claim 1, wherein, The bottom surface of the workbench (1) is provided with a flow guide groove (13), the bottom surface of the flow guide groove (13) is provided with a connecting pipe, one end of the connecting pipe is provided with a filter box (3), a plurality of sliding grooves are formed in the opposite surfaces of the inner wall of the filter box (3), a filter plate (301) is slidably connected in the sliding groove, a circulating pump (302) is communicated on one side of the filter box (3), and a return pipe (303) is communicated on the output end of the circulating pump (302).

3. The spray device of claim 1, wherein the spray device is configured to spray the developer onto the PCB board in a pattern that is substantially uniform across the PCB board. The power roller (101) and the driven roller (102) are provided with a belt pulley (104) at one end, and a servo motor (103) is arranged on one side of the workbench (1).

4. The spray device of claim 3, wherein the spray device is configured to spray the developer onto the PCB board in a pattern that is substantially uniform across the PCB board. The output end of the electric telescopic rod (112) is fixedly connected with one side of the toothed plate (110), the right end of the hollow roller (22) is communicated with the liquid storage tank (21), and the power roller (101) and the driven roller (102) are connected through a belt.

5. The spray device of claim 2, wherein the spray device is configured to spray the developer onto the PCB board in a pattern that is substantially uniform across the PCB board. One end of the return pipe (303) is fixedly connected with one side of the liquid storage tank (21) and communicated with the liquid storage tank (21), and a water inlet is formed in the upper surface of the liquid storage tank (21).

6. The spray device of claim 3, wherein the spray device is configured to spray the developer onto the PCB board in a pattern that is substantially uniform across the PCB board. The gear (220) is engaged with the toothed plate (110), the output end of the servo motor (103) penetrates through one side of the workbench (1) and is fixedly connected with one end of the power roller (101).

Images