CN219405837U

CN219405837U - Silk screen cleaning machine

Info

Publication number: CN219405837U
Application number: CN202320909801.4U
Authority: CN
Inventors: 郑发辉; 黄海峰; 高兵
Original assignee: Kunshan Wanyuantong Electronic Technology Co ltd
Current assignee: Kunshan Wanyuantong Electronic Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-07-25
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses a silk screen cleaning machine, which comprises a box body, wherein a cleaning cavity for placing a silk screen is arranged in the box body, two cleaning components are arranged on opposite sides of the inner wall of the cleaning cavity, and the silk screen is positioned between the two cleaning components; the end part of the cleaning cavity is provided with a driving piece which can drive the cleaning assembly to vertically move up and down so as to clean the surface of the silk screen; the cleaning device further comprises a plurality of nozzles arranged in the cleaning cavity, wherein the nozzles are positioned on one side of the cleaning assembly, and the jet openings of the nozzles correspond to the silk screen; the nozzle sprays the solvent in the box body to the surface of the silk screen, and the cleaning assembly moves up and down to clean the surface of the silk screen, so that the technical problem that the silk screen is not clean is solved.

Description

Silk screen cleaning machine

Technical Field

The utility model relates to the technical field of solder paste printing, in particular to a silk screen cleaning machine.

Background

SMT is a surface mount technology (surface mount technology), which is currently one of the most popular technologies and techniques in the electronics assembly industry. The circuit mounting technology is to mount no-pin or short-lead surface assembly component (SMC/SMD for short, chinese called chip component) on the surface of printed circuit board or other substrate, and to solder and assemble by reflow soldering or dip soldering.

Printing is the first step of SMT technology, and the silk screen is the important frock of solder paste printing, and what is called silk screen is actually a thin steel sheet, has the opening in the position that the circuit board pad corresponds, can leak the solder paste and print, and the component can then be welded again. After the silk screen is used, the solder paste or red glue adhered on the silk screen and other dirt are cleaned, so that the workpiece is prevented from being polluted during the next batch of use, and the product quality is further influenced.

The existing screen printing needs to clean the screen, but the existing screen cleaning mode usually adopts a soaking mode, and the cleaning mode leads to residues in gaps of the screen; also, in the cleaning device using the nozzle cleaning in the prior art, but only the nozzle is used to spray the solvent on the surface of the screen during the cleaning process, the cleaning process is long, and the solvent is wasted, so that a new cleaning device is needed.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the silk screen cleaning machine which is simple in structure and convenient to operate, and can quickly clean solder paste residues on the surface of a silk screen.

The technical scheme of the utility model is as follows: the silk screen cleaning machine comprises a box body, wherein a cleaning cavity for placing silk screens is arranged in the box body, two cleaning assemblies are arranged on opposite sides of the inner wall of the cleaning cavity, and the silk screens are positioned between the two cleaning assemblies; the end part of the cleaning cavity is provided with a driving piece which can drive the cleaning assembly to vertically move up and down so as to clean the surface of the silk screen;

the cleaning device further comprises a plurality of nozzles arranged in the cleaning cavity, wherein the nozzles are positioned on one side of the cleaning assembly, and the jet openings of the nozzles correspond to the silk screen; the nozzle sprays the solvent in the box body to the surface of the silk screen, and moves up and down through the cleaning assembly to clean the surface of the silk screen.

Further, the cross section of the cleaning cavity is in a cross-shaped structure.

Further, a supporting pad is arranged at the bottom of the cleaning cavity and is positioned below the silk screen.

Further, the cleaning assembly comprises a frame and a brush, one end of the brush is connected with the frame, and the other end of the brush is abutted against the surface of the silk screen.

Further, the frame is provided with a clamping groove, one end of the brush is provided with a clamping block matched with the clamping groove for use, and the clamping block is connected with the clamping groove so as to connect the brush with the frame.

Further, the brushes are provided with 4 groups, and the 4 groups of brushes are arranged along the height direction of the frame.

Further, the upper end of the frame is provided with a first sliding rod, the bottom end of the frame is provided with a second sliding rod, the first sliding rod penetrates through the cleaning cavity and stretches out of the cleaning cavity, the second sliding rod penetrates through the cleaning cavity and stretches out of the cleaning cavity, and the frame can vertically move up and down along the height direction of the first sliding rod or the second sliding rod.

Further, one end of the first sliding rod extending out of the cleaning cavity is connected with a transverse plate, and the lower part of the transverse plate is connected with the driving piece.

Further, the inner wall of the cleaning cavity is provided with a plurality of through holes, and the through holes are connected with the nozzle and are arranged along the height direction of the cleaning cavity.

Furthermore, the through hole is also connected with air nozzles, the air nozzles are arranged along the height direction of the cleaning cavity, and the air nozzles and the nozzles are arranged in a staggered manner.

The beneficial technical effects of the utility model are as follows:

1. the brush is detachably connected to the frame, so that the brush can be cleaned or replaced conveniently; meanwhile, the hairbrush is arranged to clean the surface of the silk screen better, so that the cleaning efficiency of the silk screen is improved.

2. The brush is connected to the frame and can vertically move up and down, and the surface of the silk screen can be better cleaned through the movement of the brush, so that the cleaning efficiency of the silk screen is improved.

3. The cross section in clean chamber is cross structure, and the place and the taking of silk screen of being convenient for simultaneously can be better fix a position the silk screen, guarantees that the position of silk screen can not take place the skew in the clean process, guarantees clean efficiency.

4. The nozzle and the air tap are connected into the cleaning cavity through the through hole, and the solvent is sprayed on the surface of the silk screen through the nozzle so that the brush can clean the surface of the silk screen; the air tap can clear up the water stain on the surface of the screen after the cleaning is accomplished, avoids the screen to take out the time viscous water stain to fall into ground.

5. By arranging the supporting pad to heighten the silk screen, stains generated by cleaning are prevented from being stuck to the end part of the silk screen.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the inside of the frame of the present utility model;

fig. 3 is a schematic structural view of the cleaning chamber of the present utility model.

The reference numerals are:

100. a case; 200. a cleaning chamber; 210. a through hole; 220. a support pad; 300. a cleaning assembly; 310. a frame; 320. a first slide bar; 330. a second slide bar; 340. a cross plate; 350. a brush; 400. a driving member; 500. and (3) a nozzle.

Detailed Description

In order that the manner in which the above recited features of the present utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the utility model.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships described based on the embodiments and shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 3, the present utility model relates to a screen cleaning machine, which comprises a box 100, wherein a cleaning cavity 200 for placing a screen is provided in the box 100, two cleaning assemblies 300 are provided on opposite sides of an inner wall of the cleaning cavity 200, and the screen is located between the two cleaning assemblies 300; the end of the cleaning chamber 200 is provided with a driving member 400, and the driving member 400 can drive the cleaning assembly 300 to vertically move up and down so as to clean the surface of the silk screen;

the cleaning device further comprises a plurality of nozzles 500 arranged in the cleaning cavity 200, wherein the nozzles 500 are positioned on one side of the cleaning assembly 300, and the jet openings of the nozzles 500 correspond to the silk screen; the nozzle 500 sprays the solvent in the tank 100 to the surface of the screen and moves up and down by the cleaning assembly 300 to clean the surface of the screen.

It should be noted that, the inside of the case 100 is a cavity structure, the cleaning cavity 200 is located inside the case 100, the case 100 is divided into two chambers by the cleaning cavity 200, the case 100 is used for storing a solvent, the cleaning cavity 200 is used for placing a wire mesh, and meanwhile, the wire mesh completes cleaning in the cleaning cavity 200,

In addition, the dirt generated after the cleaning of the screen in the cleaning chamber 200 is filtered in the case 100, so that the solvent can be reused, and when the set number of times of use is reached, the solvent in the case 100 is replaced. How the stains are filtered is not described herein and in the drawings, since such means are well established in the art and will not be described here. The embodiment mainly describes a scheme of how to clean the screen net with a simple structure.

Furthermore, two sets of cleaning components 300 are disposed in the cleaning chamber 200, the wire mesh is disposed between the two sets of cleaning components 300, and the solder paste on the surface of the wire mesh can be cleaned by the two sets of cleaning components 300. Similarly, a nozzle 500 is further disposed on one side of the cleaning assembly 300, and the solvent in the box 100 is sprayed on the surface of the screen through the nozzle 500 to dissolve the solder paste on the surface of the screen, and at this time, the driving member 400 drives the cleaning assembly 300 to vertically move up and down, so as to clean the screen more quickly.

Furthermore, in the process of cleaning the silk screen, the opposite sides of the silk screen are cleaned, so that only one side of the silk screen is prevented from being cleaned, and solder paste is prevented from remaining in printing holes of the silk screen.

The cross section of the cleaning cavity 200 is of a cross-shaped structure, so that the silk screen can be placed and taken conveniently, the silk screen can be positioned better, the position of the silk screen in the cleaning process is guaranteed not to deviate, and the cleaning efficiency is guaranteed.

The bottom of the cleaning chamber 200 is provided with a supporting pad 220, the supporting pad 220 is located below the screen, and the screen is lifted by arranging the supporting pad 220, so that stains generated by cleaning are prevented from being stuck to the end of the screen.

The cleaning assembly 300 includes a frame 310 and a brush 350, one end of the brush 350 is connected to the frame 310, and the other end of the brush 350 abuts against the surface of the screen.

When the silk screen is placed in the cleaning cavity 200, the brush 350 is always abutted against the surface of the silk screen, and when the brush 350 moves up and down, the solder paste on the surface of the silk screen can be better cleaned, so that the cleaning efficiency is improved.

The frame 310 is provided with a clamping groove, one end of the brush 350 is provided with a clamping block matched with the clamping groove, and the clamping block is connected with the clamping groove to connect the brush 350 with the frame 310.

The brush 350 is matched with the clamping groove through the clamping block, and when the brush 350 needs maintenance, the brush can be rapidly detached and replaced. Not only improves the cleaning efficiency of the silk screen, but also is convenient for the maintenance of later-stage personnel.

The brushes 350 are provided with 4 groups, the 4 groups of the brushes 350 are arranged along the height direction of the frame 310, the 4 groups of the brushes 350 are arranged to comprehensively clean the surface of the silk screen, and when the 4 groups of the brushes 350 vertically move up and down, the 4 groups of the brushes 350 can comprehensively clean the surface of the silk screen, so that solder paste residues are avoided.

The upper end of the frame 310 is provided with a first sliding rod 320, the bottom end of the frame 310 is provided with a second sliding rod 330, the first sliding rod 320 passes through the cleaning cavity 200 and extends out of the cleaning cavity 200, the second sliding rod 330 passes through the cleaning cavity 200 and extends out of the cleaning cavity 200, and the frame 310 can vertically move up and down along the height direction of the first sliding rod 320 or the second sliding rod 330.

The first sliding rod 320 passes through the cleaning chamber 200 and extends out from one end of the cleaning chamber 200, the second sliding rod 330 also passes through the cleaning chamber 200 and extends out from the other end of the cleaning chamber 200, and the frame 310 is matched with the first sliding rod 320 and the second sliding rod 330, so that smoothness of the frame 310 in the moving process is ensured, and meanwhile, the hairbrush 350 is always attached to the surface of the silk screen in the cleaning process of the surface of the silk screen.

One end of the first sliding rod 320 extending out of the cleaning chamber 200 is connected with a transverse plate 340, and the lower part of the transverse plate 340 is connected with the driving member 400.

The driving member 400 is configured to be capable of driving the cross plate 340 to move, and may be motor driven or cylinder driven, and in this embodiment, cylinder driving is preferable.

Because the cross plate 340 is fixedly connected to the surface of the first sliding rod 320, the driving member 400 is located between the cross plate 340 and the cleaning chamber 200, and when the driving member 400 is started, the cross plate 340 drives the first sliding rod 320 to vertically move up and down, and further drives the frame 310 to vertically move, so that the brush 350 connected to the frame 310 cleans the surface of the screen.

The inner wall of the cleaning chamber 200 is provided with a plurality of through holes 210, and the through holes 210 are connected to the nozzle 500 and are aligned along the height direction of the cleaning chamber 200.

The plurality of nozzles 500 are arranged, the plurality of nozzles 500 are connected to the through holes 210, and the nozzles 500 are fixed through the through holes 210, so that the positions of the nozzles 500 are not changed in the process of spraying the solvent; in addition, the number and location of nozzle 500 arrangements may be modified according to design requirements.

The through holes 210 are further connected with air nozzles (not shown), which are arranged along the height direction of the cleaning chamber 200, and the air nozzles and the nozzles 500 are staggered.

Similarly, the plurality of air nozzles are arranged, and the plurality of air nozzles are connected to the through holes 210, so that the air nozzles are fixed through the through holes 210, and the positions of the air nozzles are ensured not to change when cleaning water stains on the surface of the silk screen; in addition, the number and positions of the air nozzles can be modified according to design requirements, and the nozzles 500 and the air nozzles are staggered in the embodiment.

The component structures used in this embodiment are all waterproof and corrosion-resistant materials used, and therefore, the service life of the apparatus can be improved in the use process.

The above examples are only specific embodiments of the present utility model for illustrating the technical solution of the present utility model, but not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that the present utility model is not limited thereto: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.

Claims

1. The silk screen cleaning machine is characterized by comprising a box body (100), wherein a cleaning cavity (200) for placing silk screens is arranged in the box body (100), two cleaning assemblies (300) are arranged on opposite sides of the inner wall of the cleaning cavity (200), and the silk screens are positioned between the two cleaning assemblies (300); the end part of the cleaning cavity (200) is provided with a driving piece (400), and the driving piece (400) can drive the cleaning assembly (300) to vertically move up and down so as to clean the surface of the silk screen;

the cleaning device further comprises a plurality of nozzles (500) arranged in the cleaning cavity (200), wherein the nozzles (500) are positioned on one side of the cleaning assembly (300), and the jet openings of the nozzles (500) correspond to the silk screen; the nozzle (500) sprays the solvent in the tank (100) to the surface of the screen and moves up and down by the cleaning assembly (300) to clean the surface of the screen.

2. A screen cleaning machine according to claim 1, characterized in that the cleaning chamber (200) has a cross-section in a cross-like configuration.

3. A screen cleaning machine according to claim 2, characterized in that the bottom of the cleaning chamber (200) is provided with a support pad (220), the support pad (220) being located below the screen.

4. The screen cleaning machine of claim 1, wherein the cleaning assembly (300) includes a frame (310) and a brush (350), one end of the brush (350) is connected to the frame (310), and the other end of the brush (350) abuts the screen surface.

5. The screen cleaning machine of claim 4, wherein the frame (310) is provided with a clamping groove, and one end of the brush (350) is provided with a clamping block matched with the clamping groove, and the clamping block is connected with the clamping groove to connect the brush (350) to the frame (310).

6. The screen cleaning machine according to claim 5, wherein the brushes (350) are provided with 4 groups, the 4 groups of brushes (350) being arranged along the height direction of the frame (310).

7. The screen cleaning machine according to claim 6, wherein a first slide bar (320) is provided at an upper end of the frame (310), a second slide bar (330) is provided at a bottom end of the frame (310), the first slide bar (320) passes through the cleaning chamber (200) and protrudes out of the cleaning chamber (200), the second slide bar (330) passes through the cleaning chamber (200) and protrudes out of the cleaning chamber (200), and the frame (310) is vertically movable up and down along a height direction of the first slide bar (320) or the second slide bar (330).

8. The screen cleaning machine according to claim 7, wherein a cross plate (340) is connected to an end of the first slide bar (320) extending out of the cleaning chamber (200), and the driving member (400) is connected to a lower portion of the cross plate (340).

9. The screen cleaning machine according to claim 1, wherein the inner wall of the cleaning chamber (200) is provided with a plurality of through holes (210), and the through holes (210) are connected to the nozzle (500) and are aligned along the height direction of the cleaning chamber (200).

10. The screen cleaning machine according to claim 9, wherein the through hole (210) is further connected with air nozzles, the air nozzles are arranged along the height direction of the cleaning chamber (200), and the air nozzles are staggered with the nozzles (500).