CN216939814U

CN216939814U - PCB board cleaning all-in-one of polishing

Info

Publication number: CN216939814U
Application number: CN202220194170.8U
Authority: CN
Inventors: 傅步和; 俞佳钢
Original assignee: Jiangmen Hexinshun Electronics Co ltd
Current assignee: Jiangmen Hexinshun Electronics Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-07-12
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a PCB polishing and cleaning integrated machine, which comprises a frame, a roller conveying mechanism, a first water tank, a second water tank and a polishing mechanism, wherein the roller conveying mechanism, the first water tank, the second water tank and the polishing mechanism are arranged on the frame, the first mechanism that sprays, the second sprays the mechanism, first water tank and second water tank are located roller conveying mechanism's below, first water tank and second water tank arrange along roller conveying mechanism's direction of delivery in proper order, the second water tank is provided with the overflow pipe, inlet tube and drain pipe, grinding mechanism is located the top of first water tank, first mechanism that sprays is located the top of first water tank, the first water spray direction that sprays the mechanism is towards grinding mechanism, first spraying is provided with first pump machine between mechanism and the overflow pipe, the second sprays the top that the mechanism is located the second water tank, the second sprays the water spray direction that the mechanism is towards roller conveying mechanism, the second sprays and is provided with the second pump machine between mechanism and the second water tank. According to the PCB polishing and cleaning integrated machine, waste of water resources can be reduced.

Description

PCB board cleaning all-in-one of polishing

Technical Field

The utility model relates to a PCB processing device, in particular to a PCB polishing and cleaning integrated machine.

Background

The PCB is also called a printed circuit board, is an important electronic component, is a support body of electronic components, and is a carrier for electrical interconnection of the electronic components. After the PCB is subjected to the electroplating etching process, solder resist green paint is needed to protect the circuit and the board surface, and the board surface of the PCB needs to be cleaned before the solder resist green paint is carried out.

The existing cleaning mode is to polish the board surface, and the board surface is cleaned after polishing, and in addition, the polishing mechanism is required to be sprayed with cooling water in the polishing process, so that the polishing mechanism is cooled, and the polishing effect of the PCB board is better. The device that has polished and washd PCB board uses can directly arrange away after the water resource, and then causes the waste of water resource.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the PCB polishing and cleaning integrated machine provided by the utility model can reduce the waste of water resources.

According to the embodiment of the utility model, the PCB polishing and cleaning integrated machine comprises:

a frame;

the roller conveying mechanism is arranged on the rack and used for conveying the PCB;

the first water tank and the second water tank are arranged on the rack and are positioned below the roller conveying mechanism, the first water tank and the second water tank are sequentially arranged along the conveying direction of the roller conveying mechanism, and the second water tank is provided with an overflow pipe, a water inlet pipe and a water outlet pipe;

the polishing mechanism is arranged on the rack and positioned above the first water tank, and is used for polishing the PCB;

the first spraying mechanism is arranged on the rack and positioned above the first water tank, the water spraying direction of the first spraying mechanism faces the polishing mechanism, a first pump is arranged between the first spraying mechanism and the overflow pipe, and the first pump is used for pumping water in the overflow pipe into the first spraying mechanism;

the second sprays the mechanism, set up in the frame and be located the top of second water tank, the second sprays the water spray direction orientation of mechanism roller conveying mechanism, the second spray the mechanism with be provided with the second pump machine between the second water tank, the second pump machine be used for with water pump in the second water tank is gone into in the second sprays the mechanism.

The PCB polishing and cleaning integrated machine provided by the embodiment of the utility model at least has the following technical effects:

roller conveying mechanism drives the PCB board and sprays the mechanism through grinding machanism and second in proper order, when the PCB board was through grinding machanism, grinding machanism can polish the face of PCB board, simultaneously in grinding machanism working process, first spraying mechanism sprays the water to grinding machanism and PCB board on, can not only cool off grinding machanism, and make the effect of polishing of PCB board better moreover, when the PCB board sprays the mechanism through the second, the second sprays the water that the mechanism erupted and can wash the PCB board. The second water tank is arranged below the second spraying mechanism, the second pump is arranged between the second water tank and the second spraying mechanism, water sprayed by the second spraying mechanism can fall into the second water tank after cleaning the PCB, and the water is pumped into the second spraying mechanism through the second pump for reuse, in addition, part of water in the second water tank can also flow out of the overflow pipe and is pumped into the first spraying mechanism through the first pump for reuse, and water sprayed by the first spraying mechanism can fall into the first water tank for collection and utilization, so that the PCB polishing and cleaning integrated machine can recycle water resources, and further waste of the water resources can be reduced.

According to some embodiments of the utility model, a water filtering plate is arranged between the first water tank and the grinding mechanism, and a third pump is arranged between the first water tank and the second water tank and used for pumping water in the first water tank into the second water tank.

According to some embodiments of the utility model, the drainage sheet is corrugated.

According to some embodiments of the present invention, the water filter plate is provided with baffles at both ends in a length direction of the valleys of the water filter plate.

According to some embodiments of the utility model, the frame is horizontally provided with a slide rail, and two opposite ends of the water filter plate are supported on the slide rail and can be taken down from one end of the slide rail in a sliding manner.

According to some embodiments of the utility model, the drainage plate is fixed to the slide rail by fastening bolts.

According to some embodiments of the utility model, the roller conveying mechanism is provided with a plurality of sets of conveying rollers in a conveying direction, each set of conveying rollers comprises two conveying rollers arranged up and down, and all the conveying rollers are parallel to each other and are arranged obliquely relative to a horizontal plane.

According to some embodiments of the utility model, the conveyor roller is inclined at an angle of 5 ° to 10 ° with respect to a horizontal plane.

According to some embodiments of the utility model, a water filtering cylinder is arranged in the second water tank, and the input end of the second pump is connected with the water filtering cylinder.

According to some embodiments of the utility model, a temporary water tank is arranged on an outer side wall of the second water tank, an output end of the overflow pipe is communicated with the temporary water tank, and the first pump is arranged between the first spraying mechanism and the temporary water tank.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the installation of the feed roller and the drainage plate;

FIG. 4 is a cross-sectional view of a water filter plate;

reference numerals:

a frame 100, a slide rail 101, a fastening bolt 102; a roller conveying mechanism 200 and a conveying roller 201; a first water tank 300; a second water tank 400, an overflow pipe 401, a water inlet pipe 402, a water outlet pipe 403, a first pump 404, a second pump 405, a third pump 406, a water filtering cylinder 407 and a temporary water tank 408; a grinding mechanism 500; a first spray mechanism 600; a second spraying mechanism 700; water filter plate 800, baffle 801.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A PCB board grinding and cleaning all-in-one machine according to an embodiment of the present invention will be described with reference to fig. 1 to 4.

According to the embodiment of the utility model, as shown in fig. 1 to 4, the PCB board grinding and cleaning all-in-one machine comprises:

a frame 100;

the roller conveying mechanism 200 is arranged on the rack 100 and used for conveying the PCB;

the first water tank 300 and the second water tank 400 are arranged on the frame 100 and below the roller conveying mechanism 200, the first water tank 300 and the second water tank 400 are sequentially arranged along the conveying direction of the roller conveying mechanism 200, and the second water tank 400 is provided with an overflow pipe 401, a water inlet pipe 402 and a water outlet pipe 403;

the grinding mechanism 500 is arranged on the rack 100 and positioned above the first water tank 300, and the grinding mechanism 500 is used for grinding the PCB;

the first spraying mechanism 600 is arranged on the rack 100 and positioned above the first water tank 300, the water spraying direction of the first spraying mechanism 600 faces the polishing mechanism 500, a first pump 404 is arranged between the first spraying mechanism 600 and the overflow pipe 401, and the first pump 404 is used for pumping the water in the overflow pipe 401 into the first spraying mechanism 600;

the second spraying mechanism 700 is arranged on the rack 100 and located above the second water tank 400, the water spraying direction of the second spraying mechanism 700 faces the roller conveying mechanism 200, a second pump 405 is arranged between the second spraying mechanism 700 and the second water tank 400, and the second pump 405 is used for pumping water in the second water tank 400 into the second spraying mechanism 700.

In this embodiment, roller conveying mechanism 200 drives the PCB board and sprays mechanism 700 through grinding machanism 500 and second in proper order, when the PCB board is through grinding machanism 500, grinding machanism 500 can polish the face of PCB board, simultaneously in grinding machanism 500 work process, first mechanism 600 that sprays water to grinding machanism 500 and PCB board on, can not only cool off grinding machanism 500, and make the effect of polishing of PCB board better, when the PCB board sprays mechanism 700 through the second, the second sprays the water that mechanism 700 erupted and can wash the PCB board. The second water tank 400 is arranged below the second spraying mechanism 700, the second pump 405 is arranged between the second water tank 400 and the second spraying mechanism 700, and then water sprayed by the second spraying mechanism 700 can fall into the second water tank 400 after cleaning a PCB and is pumped into the second spraying mechanism 700 through the second pump 405 for reuse, besides, part of water in the second water tank 400 can also flow out of the overflow pipe 401 and is pumped into the first spraying mechanism 600 through the first pump 404 for reuse, and water sprayed by the first spraying mechanism 600 can fall into the first water tank 300 for collection and utilization, namely, the PCB polishing and cleaning all-in-one machine can recycle water resources, and further waste of the water resources can be reduced.

It should be noted that the roller conveying mechanism 200 is composed of a plurality of conveying rollers 201, and a gap exists between two adjacent groups of conveying rollers 201, so as to facilitate water spraying onto the PCB. The upper ends of the first water tank 300 and the second water tank 400 are both opened so that water sprayed from the first spray mechanism 600 and the second spray mechanism 700 can fall into the first water tank 300 and the second water tank 400. The water inlet pipe 402 is provided with a valve, and the water inlet pipe 402 is connected with a water source so that the second water tank 400 can supplement water in time. The drain pipe 403 may be disposed at the bottom end of the second water tank 400, and the drain pipe 403 is provided with a valve so that when the impurities in the second water tank 400 are more, the water having more impurities can be discharged and replaced with new water through the inlet pipe 402. The overflow pipe 401 can be arranged at the position of the second water tank 400 close to the top end, the water overflowing from the second water tank 400 and having partial impurities can enter the overflow pipe 401, and is pumped into the first spraying mechanism 600 through the first pump 404 for reuse, and the first spraying mechanism 600 sprayed water is mainly used for cooling and improving the polishing effect of the PCB, so that the cooling and polishing effects cannot be greatly influenced even if the water has the small amount of impurities. Grinding machanism 500 can be the common structure that is used for polishing the PCB board, for example, as shown in fig. 2, grinding machanism 500 can be including the last grinding roller and the lower grinding roller of dislocation arrangement, it is located the top of PCB board and the last face of laminating PCB board to go up the grinding roller, can be provided with the butt roller of face under the laminating PCB board under going up the grinding roller, the lower grinding roller is located the below of PCB board and the lower face of laminating PCB board, can be provided with the butt roller of face on the laminating PCB board directly over the lower grinding roller, can polish two faces of PCB board through the roll of last grinding roller and lower grinding roller, in addition, grinding machanism 500 also can be the emery wheel. When grinding mechanism 500 includes last grinding roller and lower grinding roller, it is corresponding, first spray mechanism 600 can include a plurality of shower, the shower is provided with a plurality of shower nozzles, part shower is located roller conveying mechanism 200's top and the injection direction of the shower nozzle on it is face on grinding roller and the PCB board, part shower is located roller conveying mechanism 200's below and the injection direction of the shower nozzle on it is face under grinding roller and the PCB board, all showers all communicate through connecting tube and the output of first pump machine 404. Of course, the first spraying mechanism 600 may have other structures, for example, a spray nozzle may be directly formed on the spray pipe without providing a spray head. The structure of the second spraying mechanism 700 may also be similar to that of the first spraying mechanism 600, and the spraying mechanism is a common structure for cleaning a workpiece, and therefore, the details are not repeated in this embodiment.

In some embodiments of the present invention, as shown in fig. 1 to 4, a water filter plate 800 is disposed between the first water tank 300 and the grinding mechanism 500 in the machine frame 100, a third pump 406 is disposed between the first water tank 300 and the second water tank 400, and the third pump 406 is used for pumping water in the first water tank 300 into the second water tank 400. First water that sprays mechanism 600 and erupts after the work filters through water strainer plate 800, later enters into first water tank 300 in, reuse in second water tank 400 is gone into to the last pump of passing through third pump 406 pump, and then can further carry out cyclic utilization to the water resource to can further reduce the waste of water resource. Because impurity such as the abrasive dust that produces when grinding mechanism 500 polishes the PCB board can sneak into aquatic, consequently, is provided with water strainer plate 800 in this embodiment, and then can avoid impurity to enter into first water tank 300 to can avoid impurity to enter into in the second water tank 400 and reduce the quality of water in the second water tank 400 or block up third pump 406.

In some embodiments of the present invention, as shown in fig. 3 and 4, the filtering plate 800 has a corrugated structure, that is, an uneven corrugated structure, so that when there are many impurities, the impurities are accumulated in the valleys of the filtering plate 800, and water can drop from the valleys of the filtering plate 800 into the first tank 300. Compare in that water strainer plate 800 is flat structure, can reduce the condition that impurity blockked up water strainer plate 800, the practicality is better.

In some embodiments of the present invention, as shown in fig. 3 and 4, the water filter plate 800 is provided with baffles 801 at both ends in the length direction of the valleys thereof. The baffle 801 can prevent impurities on the water filter plate 800 from flowing out from both ends of the water filter plate 800 in the length direction of the trough of the water filter plate to reduce the filtering effect.

In some embodiments of the present invention, as shown in fig. 3, the rack 100 is horizontally provided with a slide rail 101, and two opposite ends of the water filter plate 800 are supported on the slide rail 101 and can be slidably removed from one end of the slide rail 101. When impurity on water filter 800 is more, can follow the length direction slip water filter 800 of slide rail 101, make water filter 800 slide from the one end of slide rail 101 and take off, can conveniently wash water filter 800.

In some embodiments of the present invention, as shown in fig. 3, the water filter plate 800 is fixed to the slide rail 101 by fastening bolts 102. After two opposite ends of the water filter plate 800 are supported on the slide rails 101, the water filter plate 800 is fixed through the fastening bolts 102, and further the water filter plate 800 can be prevented from sliding randomly. When it is necessary to clean water filter plate 800, fastening bolt 102 is removed and water filter plate 800 is slid.

In some embodiments of the present invention, as shown in fig. 2 and 3, the roller conveying mechanism 200 is provided with a plurality of sets of conveying rollers 201 along the conveying direction, each set of conveying rollers 201 includes two conveying rollers 201 arranged up and down, and all the conveying rollers 201 are parallel to each other and are arranged obliquely with respect to the horizontal plane. The PCB board passes between two conveying rollers 201 of same group, and the upper and lower face of two conveying rollers 201 laminating PCBs of same group, when conveying roller 201 rotated, can exert frictional force to the PCB board, and this frictional force can promote the PCB board and remove to carry the PCB board. Conveying roller 201 sets up for the horizontal plane slope, and then the last face of PCB board is the same for the horizontal plane slope to make the water and the impurity of face slide to the border of PCB board and follow the border landing of PCB board more easily on the PCB board, thereby make the cleaning performance of PCB board better.

In some embodiments of the present invention, as shown in fig. 2 and 3, the conveying roller 201 is inclined at an angle of 5 ° to 10 ° with respect to the horizontal plane. When the inclined angle of the conveying roller 201 relative to the horizontal plane is between 5 degrees and 10 degrees, water and impurities on the upper surface of the PCB can slide off, and the PCB cannot slide along the axial direction of the conveying roller 201 due to the overlarge inclined angle.

In some embodiments of the present invention, as shown in fig. 2, a water filtering cylinder 407 is disposed in the second water tank 400, and an input end of the second pump 405 is connected to the water filtering cylinder 407. When the water in the second water tank 400 is reused, impurities enter the second pump 405 and the second spraying mechanism 700 along with the water, which may cause the blockage of the second pump 405 and the pipeline and reduce the cleaning quality of the PCB. In this embodiment, be provided with a water filtering section of thick bamboo 407 in the second water tank 400, a water filtering section of thick bamboo 407 is connected to the input of second pump machine 405, and then the water in the second water tank 400 just is gone into by second pump machine 405 pump after filtering to can avoid impurity to block up second pump machine 405 and pipeline, can increase the cleaning quality of PCB board moreover.

In some embodiments of the present invention, as shown in fig. 1, a temporary water tank 408 is disposed on an outer sidewall of the second water tank 400, an output end of the overflow pipe 401 is communicated with the temporary water tank 408, and the first pump 404 is disposed between the first spray mechanism 600 and the temporary water tank 408. The temporary water tank 408 can store water overflowing from the overflow pipe 401 and the first pump 404 is too late to pump in, and further when the water in the second water tank 400 does not overflow sometimes, the first pump 404 can still pump the water in the temporary water tank 408 into the first spraying mechanism 600, and compared with the fact that the first pump 404 is directly communicated with the overflow pipe 401, the phenomenon of suction of the first pump 404 can be reduced.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a PCB board cleaning all-in-one of polishing which characterized in that includes:

a frame (100);

the roller conveying mechanism (200) is arranged on the rack (100) and used for conveying the PCB;

the first water tank (300) and the second water tank (400) are arranged on the rack (100) and are positioned below the roller conveying mechanism (200), the first water tank (300) and the second water tank (400) are sequentially arranged along the conveying direction of the roller conveying mechanism (200), and the second water tank (400) is provided with an overflow pipe (401), a water inlet pipe (402) and a water outlet pipe (403);

the grinding mechanism (500) is arranged on the rack (100) and is positioned above the first water tank (300), and the grinding mechanism (500) is used for grinding the PCB;

the first spraying mechanism (600) is arranged on the rack (100) and located above the first water tank (300), the water spraying direction of the first spraying mechanism (600) faces the polishing mechanism (500), a first pump (404) is arranged between the first spraying mechanism (600) and the overflow pipe (401), and the first pump (404) is used for pumping water in the overflow pipe (401) into the first spraying mechanism (600); the second spraying mechanism (700) is arranged on the rack (100) and located above the second water tank (400), the water spraying direction of the second spraying mechanism (700) faces towards the roller conveying mechanism (200), a second pump (405) is arranged between the second spraying mechanism (700) and the second water tank (400), and the second pump (405) is used for pumping water in the second water tank (400) into the second spraying mechanism (700).

2. The PCB grinding and cleaning all-in-one machine as claimed in claim 1, wherein a water filtering plate (800) is arranged between the first water tank (300) and the grinding mechanism (500) of the machine frame (100), a third pump (406) is arranged between the first water tank (300) and the second water tank (400), and the third pump (406) is used for pumping water in the first water tank (300) into the second water tank (400).

3. The PCB grinding and cleaning all-in-one machine as claimed in claim 2, wherein the water filtering plate (800) is of a corrugated structure.

4. The PCB grinding and cleaning integrated machine according to claim 3, wherein the water filtering plate (800) is provided with baffles (801) at two ends in the length direction of the wave trough.

5. The PCB grinding and cleaning integrated machine according to claim 2, wherein the frame (100) is horizontally provided with a slide rail (101), and two opposite ends of the water filter plate (800) are borne on the slide rail (101) and can be taken down from one end of the slide rail (101) in a sliding manner.

6. The PCB grinding and cleaning all-in-one machine as claimed in claim 5, wherein the water filtering plate (800) is fixed on the sliding rail (101) through a fastening bolt (102).

7. The PCB grinding and cleaning all-in-one machine as claimed in any one of claims 1 to 6, wherein a plurality of groups of conveying rollers (201) are arranged on the roller conveying mechanism (200) along the conveying direction, each group of conveying rollers (201) comprises two conveying rollers (201) arranged up and down, and all the conveying rollers (201) are parallel to each other and are arranged obliquely relative to a horizontal plane.

8. The PCB grinding and cleaning all-in-one machine as claimed in claim 7, wherein the conveying roller (201) is inclined at an angle of 5 ° to 10 ° with respect to a horizontal plane.

9. The PCB grinding and cleaning all-in-one machine as claimed in any one of claims 1 to 6, wherein a water filtering cylinder (407) is arranged in the second water tank (400), and the input end of the second pump (405) is connected with the water filtering cylinder (407).

10. The PCB grinding and cleaning all-in-one machine as claimed in any one of claims 1 to 6, wherein a temporary water tank (408) is arranged on the outer side wall of the second water tank (400), the output end of the overflow pipe (401) is communicated with the temporary water tank (408), and the first pump (404) is arranged between the first spraying mechanism (600) and the temporary water tank (408).