Dry ice cleaning machine with anti-static function

Abstract

The utility model provides a dry ice cleaning machine with an anti-static function, which relates to the technical field of cleaning machines and comprises a box body, a working box and a cleaning box are mounted on the box body, sound insulation cotton is arranged in the cleaning box, a stainless steel hose is connected onto the working box in a penetrating manner and extends into the cleaning box, and the stainless steel hose is connected with the box body. The other end of the stainless steel hose is connected with a copper nozzle, a conductive placement plate is further arranged in the cleaning box, the stainless steel hose and the copper nozzle are both connected with conductive wires, and a grounding column is installed on the box body. According to the dry ice cleaning machine, the efficiency of cleaning the circuit board through a dry ice cleaning mode is remarkably improved compared with that of cleaning the circuit board through a manual brush, in addition, static electricity can be effectively prevented from being generated in the cleaning process through the stainless steel hose, the copper nozzle and the electric lead, noise pollution of the dry ice cleaning machine can be effectively reduced through the sound insulation cotton, and the service life of the dry ice cleaning machine is prolonged. And the workshop is kept quiet.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning machines, in particular to a dry ice cleaning machine with an anti-static function. Background Art

[0002] Dry ice cleaning machine is a cleaning machine. The cleaning system uses high-pressure air to spray dry ice particles of the dry ice cleaning machine onto the work surface that needs to be cleaned, and uses the physical reaction of temperature difference to make different substances separate at different shrinkage speeds.

[0003] After the PCBA board is welded with electronic components or with external wires, various residues such as tin slag are usually left on its surface. These residues must be removed by cleaning, otherwise the circuit on the PCBA will be short-circuited, affecting the performance of the PCBA board.

[0004] At present, the way personnel clean PCBA circuit boards is to immerse the entire PCBA circuit board in cleaning agent and clean it manually, but the efficiency of manual cleaning of circuit boards is low and the cleaning effect is also poor; secondly, some manufacturers will consider using dry ice cleaning machines when cleaning, but the existing dry ice cleaning machines will generate a lot of static electricity when cleaning PCBA circuit boards, and the static electricity is as high as 1000-5000 volts or more, which is easy to damage the PCBA circuit board; in addition, the dry ice cleaning machine will generate a lot of noise when in use, seriously polluting the workshop environment. Utility Model Content

[0005] The utility model provides a dry ice cleaning machine with an anti-static function, which is used to solve at least one of the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model discloses a dry ice cleaning machine with anti-static function, including a box body, a working box and a cleaning box are installed on the box body, sound insulation cotton is arranged in the cleaning box, a stainless steel hose is connected through the working box, the stainless steel hose extends into the cleaning box, a copper nozzle is connected to the other end of the stainless steel hose, conductive wires are connected to the stainless steel hose and the copper nozzle, a conductive placement plate is also arranged in the cleaning box, and a grounding column is installed on the box body.

[0007] Preferably, a control box is provided on the working box and the cleaning box, and a feed port is provided on the control box, and the feed port is connected to the working box.

[0008] Preferably, an opening and closing door is provided on the feed port.

[0009] Preferably, the cleaning box is configured as a hollow trapezoidal body, the top surface of the cleaning box includes a transverse plate portion and an inclined plate portion, the upper end of the transverse plate portion is in contact with the control box, the inclined plate portion is provided with an opening, and transparent glass is installed at the opening.

[0010] Preferably, a through opening is provided on the front side of the cleaning box, and a plurality of shielding strips are fixedly provided on the front side of the cleaning box, and the plurality of shielding strips are used to block the through opening.

[0011] Preferably, sound insulation cotton is fixedly arranged on the left and right side surfaces and the top surface of the cleaning box.

[0012] Preferably, a conductive placement plate is installed on the bottom surface of the cleaning box, and the conductive placement plate is electrically connected to the box body.

[0013] Preferably, a crushing motor is fixedly arranged on the rear side wall of the working box, a rotating rod is fixedly connected to the front side of the crushing motor, a crushing knife 1 is fixedly arranged in the center of the rotating rod, a crushing knife 2 is respectively arranged on the front and rear sides of the crushing knife 1, a crushing knife 3 is arranged on the side where the crushing knife 2 is away from each other, and a push plate is fixedly arranged on the side where the edges of the crushing knife 2 are close to each other.

[0014] Preferably, an air pump is also provided on the rear wall of the working box, the output end of the air pump is fixedly extended into the working box, and a stainless steel hose is connected through the front wall of the working box; an inlet is opened on the rear wall of the cleaning box, and the stainless steel hose extends from the inlet into the cleaning box.

[0015] Preferably, a plurality of moving wheels are installed at the lower end of the box.

[0016] Compared with the prior art, the utility model provides a dry ice cleaning machine with anti-static function. The utility model uses dry ice cleaning to significantly improve the efficiency of cleaning circuit boards compared to using manual brushes, and the cleaning quality is also better. In addition, by providing a stainless steel hose, a copper nozzle, a conductive wire and a conductive placement plate, static electricity can be effectively avoided during the cleaning process, and sound insulation cotton can be provided to effectively reduce the noise pollution of the dry ice cleaning machine and keep the workshop quiet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation of the shielding strip of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection between the stainless steel hose and the copper nozzle of the utility model;

[0021] Figure 4 It is a side view of the utility model.

[0022] In the figure: 1. Box body; 2. Through-hole; 3. Copper nozzle; 4. Stainless steel hose; 5. Conductive placement plate; 6. Control box; 7. Transparent glass; 8. Sound insulation cotton; 9. Moving wheel; 10. Shielding strip; 11. Cleaning box; 12. Working box; 13. Rotating rod; 14. Conductive wire; 15. Crushing knife one; 16. Opening and closing door; 17. Entrance; 18. Crushing knife three; 19. Crushing knife two; 20. Push plate; 21. Crushing motor; 22. Air pump; 23. Feeding port. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0025] Example 1

[0026] The embodiment of the utility model provides a dry ice cleaning machine with anti-static function, such as Figure 1-4 As shown, it includes a box body 1, a working box 12 and a cleaning box 11 are installed on the box body 1, sound insulation cotton 8 is arranged in the cleaning box 11, a stainless steel hose 4 is connected through the working box 12, the stainless steel hose 4 extends into the cleaning box 11, the other end of the stainless steel hose 4 is connected to a copper nozzle 3, the stainless steel hose 4 and the copper nozzle 3 are both connected to a conductive wire 14, a conductive placement plate 5 is also arranged in the cleaning box 11, and a grounding column is installed on the box body 1.

[0027] The working principle and beneficial effects of the above technical solution are as follows: the PCBA circuit board is placed on the conductive placement plate 5 in the cleaning box 11, and the dry ice in the working box 12 is sprayed onto the PCBA circuit board through the stainless steel hose 4 and the copper nozzle 3 to complete the cleaning. By setting the conductive wire 14, a small amount of static electricity generated on the stainless steel hose 4 and the copper nozzle 3 can be discharged (the conductive wire 14 can be connected to the working box 12 or directly connected to the grounding column, according to the choice of technicians in this field). When the PCBA circuit board is being cleaned, the conductive placement plate 5 will transfer the static electricity;

[0028] By using dry ice cleaning, the efficiency of cleaning circuit boards is significantly improved compared to using a manual brush, and the cleaning quality is also better. In addition, by providing a stainless steel hose 4, a copper nozzle 3, a conductive wire 14 and a conductive placement plate 5, static electricity can be effectively avoided during the cleaning process, and sound insulation cotton 8 can be provided to effectively reduce the noise pollution of the dry ice cleaning machine and keep the workshop quiet.

[0029] Example 2

[0030] On the basis of Example 1, Figure 1 , 4 As shown, a control box 6 is provided on the working box 12 and the cleaning box 11 , and a feed port 23 is provided on the control box 6 , and the feed port 23 is connected to the working box 12 .

[0031] Preferably, an opening and closing door 16 is provided on the feed port 23 .

[0032] The working principle and beneficial effects of the above technical solution are as follows: the opening and closing door 16 is opened, and dry ice enters the working box 12 from the feed port 23; and the opening and closing of the opening and closing door 16 can be controlled by the control box 6, and the opening and closing door 16 can also prevent dry ice from escaping from the feed port 23 after entering, thereby effectively improving the practicality and functionality of the device.

[0033] Example 3

[0034] On the basis of the above-mentioned embodiments 1-2, Figure 1-4 As shown, the cleaning box 11 is configured as a hollow trapezoidal body, and the top surface of the cleaning box 11 includes a transverse plate portion and an inclined plate portion. The upper end of the transverse plate portion contacts the control box 6, and the inclined plate portion is provided with an opening, and a transparent glass 7 is installed at the opening.

[0035] Preferably, a through opening 2 is provided at the front side of the cleaning box 11 , and a plurality of shielding strips 10 are fixedly provided at the front side of the cleaning box 11 , and the plurality of shielding strips 10 are used to block the through opening 2 .

[0036] Preferably, sound insulation cotton 8 is fixedly arranged on the left and right side surfaces and the top surface of the cleaning box 11 .

[0037] Preferably, a conductive placement plate 5 is installed on the bottom surface of the cleaning box 11 , and the conductive placement plate 5 is electrically connected to the box body 1 .

[0038] The beneficial effects of the above technical solution are as follows: by installing transparent glass 7 on the inclined plate portion, the cleaning condition of the PCBA circuit board during cleaning can be clearly seen, which can improve the cleaning condition of the PCBA circuit board; the setting of the through-hole 2 can facilitate the placement and removal of the PCBA circuit board, and a number of shielding strips 10 can prevent impurities after cleaning from flying out of the cleaning box 11 when dry ice is sprayed onto the circuit board, thereby effectively improving the cleanliness of the device; the provision of sound insulation cotton 8 can effectively reduce noise and has strong practicality; by electrically connecting the conductive placement plate 5 to the box body 1, the static electricity generated on the PCBA circuit board during cleaning can be conducted to the box body 1 through the conductive placement plate 5, and then conducted through the grounding column, thereby effectively improving the practicality and functionality of the device.

[0039] Example 4

[0040] On the basis of the above-mentioned embodiments 1-3, Figure 1 , 4 As shown, a crushing motor 21 is fixedly provided on the rear side wall of the working box 12, a rotating rod 13 is fixedly connected to the front side of the crushing motor 21, a crushing knife 15 is fixedly provided in the center of the rotating rod 13, a crushing knife 2 19 is respectively provided on the front and rear sides of the crushing knife 15, a crushing knife 3 18 is provided on the side where the crushing knife 2 19 is away from each other, and a push plate 20 is fixedly provided on the side where the edges of the crushing knife 2 19 are close to each other.

[0041] Among them, preferably, an air pump 22 is also provided on the rear side wall of the working box 12, the output end of the air pump 22 is fixedly extended into the working box 12, and a stainless steel hose 4 is connected through the front side wall of the working box 12; an inlet 17 is opened on the rear side wall of the cleaning box 11, and the stainless steel hose 4 extends from the inlet 17 into the cleaning box 11.

[0042] Preferably, a plurality of moving wheels 9 are installed at the lower end of the box body 1 .

[0043] The working principle and beneficial effects of the above technical solution are as follows: after the dry ice enters the working box 12, the crushing motor 21 is started, the crushing motor 21 drives the rotating rod 13 to rotate, and the rotating rod 13 drives the crushing knife 1 15, the crushing knife 2 19 and the crushing knife 3 18 to cut the dry ice (the diameters of the crushing knife 15, the crushing knife 2 19 and the crushing knife 3 18 are different, so the cutting efficiency is higher). When the crushing knife 2 19 starts to rotate, the push plate 20 will continuously push the dry ice at the bottom of the working box 12 to the upper part, so that the dry ice can be crushed more quickly;

[0044] After the crushing motor 21 is started for a period of time, the air pump 22 is started. The air pump 22 will output the dry ice in the working box 12 through the stainless steel hose 4. The provision of the air pump 22 will increase the pressure in the working box 12, and the delivery will be faster. Then the dry ice will be sprayed onto the PCBA circuit board through the copper nozzle 3. Those skilled in the art can change the position where the copper nozzle 3 sprays dry ice by pulling the stainless steel hose 4, so that the PCBA circuit board is more clean, which effectively improves the practicability and cleanliness of the device. In addition, a number of moving wheels 9 are provided to quickly move the dry ice cleaning machine, making it more convenient to move and use.

[0045] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. If these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A dry ice cleaning machine with anti-static function, characterized in that: The invention comprises a box body (1), a working box (12) and a cleaning box (11) are installed on the box body (1), a sound insulation cotton (8) is arranged in the cleaning box (11), a stainless steel hose (4) is connected through the working box (12), the stainless steel hose (4) extends into the cleaning box (11), the other end of the stainless steel hose (4) is connected to a copper nozzle (3), the stainless steel hose (4) and the copper nozzle (3) are both connected to a conductive wire (14), a conductive placement plate (5) is also arranged in the cleaning box (11), and a grounding column is installed on the box body (1).

2. The dry ice cleaning machine with anti-static function according to claim 1, characterized in that: A control box (6) is arranged on the working box (12) and the cleaning box (11), and a feed port (23) is arranged on the control box (6), and the feed port (23) is connected to the working box (12).

3. The dry ice cleaning machine with anti-static function according to claim 2, characterized in that: An opening and closing door (16) is provided on the feed inlet (23).

4. The dry ice cleaning machine with anti-static function according to claim 2, characterized in that: The cleaning box (11) is configured as a hollow trapezoidal body. The top surface of the cleaning box (11) includes a transverse plate portion and an inclined plate portion. The upper end of the transverse plate portion contacts the control box (6). The inclined plate portion is provided with an opening, and a transparent glass (7) is installed at the opening.

5. The dry ice cleaning machine with anti-static function according to claim 4, characterized in that: A through opening (2) is arranged on the front side of the cleaning box (11), and a plurality of shielding strips (10) are fixedly arranged on the front side of the cleaning box (11), and the plurality of shielding strips (10) are used to block the through opening (2).

6. The dry ice cleaning machine with anti-static function according to claim 3, characterized in that: Sound insulation cotton (8) is fixedly arranged on the left and right side surfaces and the top surface of the cleaning box (11).

7. The dry ice cleaning machine with anti-static function according to claim 6, characterized in that: A conductive placement plate (5) is installed on the bottom surface of the cleaning box (11), and the conductive placement plate (5) is electrically connected to the box body (1).

8. The dry ice cleaning machine with anti-static function according to claim 6, characterized in that: A crushing motor (21) is fixedly arranged on the rear side wall of the working box (12), a rotating rod (13) is fixedly connected to the front side of the crushing motor (21), a crushing knife (15) is fixedly arranged in the center of the rotating rod (13), a crushing knife (19) is respectively arranged on the front and rear sides of the crushing knife (15), a crushing knife (18) is arranged on the side away from the crushing knife (19), and a push plate (20) is fixedly arranged on the side where the edges of the crushing knife (19) are close to each other.

9. The dry ice cleaning machine with anti-static function according to claim 6, characterized in that: An air pump (22) is also arranged on the rear side wall of the working box (12), and the output end of the air pump (22) is fixedly extended into the working box (12). A stainless steel hose (4) is connected through the front side wall of the working box (12); an inlet (17) is opened on the rear side wall of the cleaning box (11), and the stainless steel hose (4) extends from the inlet (17) into the cleaning box (11).

10. The dry ice cleaning machine with anti-static function according to claim 1, characterized in that: A plurality of moving wheels (9) are installed at the lower end of the box body (1).

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