CN116984316A

CN116984316A - PCB cleaning machine

Info

Publication number: CN116984316A
Application number: CN202311070276.2A
Authority: CN
Inventors: 吴嘉泉; 吴启胜; 赖永添
Original assignee: Anhui Xinhuatong Optoelectronics Technology Co ltd
Current assignee: Anhui Xinhuatong Optoelectronics Technology Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2023-11-03

Abstract

The invention discloses a PCB cleaning machine, which comprises a machine body arranged in a PCB processing workshop, wherein the lower end of the machine body is provided with a dry ice cleaning machine, and the front end of the middle part of the machine body is provided with a control screen capable of controlling the on-off of components; the support frame body is placed on the workshop floor and is arranged on the outer side of the machine body; the base, it is fixed in the lower extreme is inside of wasing the cavity, and displacement adjustment subassembly is installed to the right side upper end of base, and one side of displacement adjustment subassembly is fixed with the high-pressure shower nozzle subassembly of being connected with the dry ice cleaning machine. This PCB board cleaning machine, through the cooperation of first framework and second framework, when utilizing the clamp pole to realize fixed back to the PCB board, can drive the PCB board and rotate by a small margin and form the contained angle with high-pressure shower nozzle subassembly, improve the cleaning performance, can drive the PCB board afterwards and overturn, realize two-sided cleaning treatment, realize cleaning in batches under conveying assembly's cooperation simultaneously, improve production efficiency.

Description

PCB cleaning machine

Technical Field

The invention relates to the technical field related to PCB processing, in particular to a PCB cleaning machine.

Background

The PCB is mainly used for electric interconnection among all elements, consists of an insulating bottom plate, connecting wires and bonding pads for assembling and welding electronic elements, can replace complex wiring, has the dual functions of a conductive line and the insulating bottom plate, has higher and higher quality requirements on the PCB when the demand of the PCB is improved along with the rapid development of the electronic industry, and needs to be cleaned by a cleaning machine in order to clean dust impurities adhered in the PCB processing process.

The traditional PCB is washed by the cleaning liquid, however, the method is easy to damage the PCB body, residues are easy to leave, and a large amount of water resources are wasted, and the dry ice cleaning can avoid the problems, for example, in the patent application with the authorized publication number of CN116321782A, the authorized publication date of 2023-06-23 and the name of a PCB surface cleaning device, a dry ice cleaning machine is started, dry ice powder is sprayed onto the surface of the PCB, and after the dry ice powder contacts with dust on the surface of the PCB, the dry ice powder is quickly gasified, the dust is blown off, new pollution is not formed after the dry ice powder is gasified, so that the cleaning effect of the surface of the PCB is improved, and the damage to the PCB is reduced; the dry ice powder in the dry ice cleaning machine is sprayed onto the surface of the PCB under the blowing of high-pressure air, and meanwhile, the second motor drives the gear to rotate, drives the face gear meshed with the gear to rotate, drives the vertical rod to rotate, and drives the tray to rotate, so that the PCB rotates, the sprayed dry ice powder is further improved to uniformly cover the surface of the PCB for cleaning, and the cleaning effect on the surface of the PCB is further improved;

when the device is actually used, the PCBs need to be sequentially fixed on the fixing base, after the batch is processed, the PCB needs to be disassembled and assembled again, the operation is more complicated, the workload of workers is increased, and the PCB is vertically fixed on the fixing base, the spray head is positioned above, so that the cleaning effect on the PCB is poor, and if the PCB is obliquely fixed on the fixing base, the front and back sides of the PCB are inconvenient to clean.

Therefore, we propose a PCB cleaning machine to solve the above-mentioned problems.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention aims to provide a PCB cleaning machine, which aims to solve the problems that the existing PCB cleaning machine in the market has lower cleaning efficiency on a PCB and has poorer cleaning effect on the PCB.

2. Technical proposal

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a PCB board cleaning machine, includes the organism of installing in PCB board processing vehicle, dry ice cleaning machine is installed to the lower extreme of organism, and the middle part front end of organism installs the control screen that can control components and parts and open and close, and the upper end inside of organism has offered and has been used for the abluent washing cavity of PCB board, and the left and right sides of wasing the cavity all communicates and has offered the feed and discharge gate, simultaneously the upper end front side of organism is fixed with glass baffle in order to observe inside operational aspect;

the support frame body is placed on the ground of a workshop, the support frame body is arranged on the outer side of the machine body, the upper end of the support frame body is provided with a conveying assembly capable of conveying the PCB, and the middle part of the conveying assembly is respectively positioned in the feed and discharge port and the cleaning cavity;

the base, it is fixed in the lower extreme inside of wasing the cavity, and displacement adjustment subassembly is installed to the right side upper end of base, and one side of displacement adjustment subassembly is fixed with the high-pressure nozzle subassembly of being connected with the dry ice cleaning machine, moreover the high-pressure nozzle subassembly is located the top of conveying assembly, simultaneously locating component is installed to the right side upper end of base.

Further, the displacement adjusting assembly is composed of an X-axis sliding rail module, a Y-axis sliding rail module and a Z-axis sliding rail module, the X-axis sliding rail module is installed above the base, the Y-axis sliding rail module is installed above the X-axis sliding rail module, the Z-axis sliding rail module is movably arranged above the Y-axis sliding rail module, and meanwhile the side part of the Z-axis sliding rail module is fixedly connected with the high-pressure spray head assembly.

Through the technical scheme, under the cooperation of the X-axis sliding rail module, the Y-axis sliding rail module and the Z-axis sliding rail module, the high-pressure nozzle assembly can perform all-round cleaning operation on the PCB.

Further, a visual detection mechanism is correspondingly arranged right above the positioning assembly, and the visual detection mechanism is fixedly arranged on the left inner wall of the upper end of the cleaning cavity.

Through the technical scheme, the PCB can be detected to move to a proper position under the action of the visual detection mechanism.

Further, the locating component comprises a hydraulic cylinder fixed above the left side of the base, the output end of the upper end of the hydraulic cylinder is fixedly connected with a bearing plate, the end part of the bearing plate is provided with a first motor, the output end of the first motor is connected with a first rotating rod in a key manner, the end part of the first rotating rod is fixedly provided with a first frame body, and the first motor is used for controlling the rotation of the first frame body.

Through the technical scheme, the first motor can drive the first frame body to rotate.

Further, two hydraulic cylinders are symmetrically arranged around the central axis of the first frame, and the central connecting line of the two hydraulic cylinders is the symmetry axis of the first frame.

Through the technical scheme, after the hydraulic cylinder is started, the first frame body and the parts can be stably driven to move up and down.

Further, the left and right sides of first framework is all fixed mounting has the second motor, and the output key of second motor is connected with the second bull stick, and the tip of second bull stick is fixed with the second framework, the second motor is used for the rotation of second framework, moreover the front and back both ends of second framework are fixed with the cylinder, the output of cylinder simultaneously in the internal connection of second framework has the clamp lever.

Through the technical scheme, the second motor can be utilized to drive the second frame body to rotate, and the clamping rod can be utilized to drive the PCB to clamp.

Further, the central axis of the first rotating rod is perpendicular to the central axis of the second rotating rod, and the symmetry axis of the second frame body is collinear with the symmetry axis of the first frame body.

Through the technical scheme, the PCB can be driven to rotate along the X and Z axes.

Further, one side of the clamping rod, which is close to the center of the second frame body, is fixedly connected with a rubber pad.

Through above-mentioned technical scheme for the clamp lever can reduce the rigid damage to the PCB board, and improves the centre gripping fastness.

3. Advantageous effects

By adopting the technical scheme provided by the invention, compared with the prior art, through the cooperation of the first frame body and the second frame body, after the PCB is fixed by using the clamping rods, the PCB can be driven to rotate in a small extent to form an included angle with the high-pressure spray head assembly, so that the cleaning effect is improved, the PCB can be driven to overturn afterwards, the double-sided cleaning treatment is realized, meanwhile, batch cleaning is realized under the cooperation of the conveying assembly, and the production efficiency is improved, and the concrete contents are as follows:

(1) After the PCB is conveyed to the cleaning cavity through the conveying assembly, the vision detection mechanism detects that the PCB is conveyed to the position below the positioning assembly, the conveying assembly is controlled to stop running through the system, the hydraulic cylinder is started to drive the first frame and the second frame to integrally move downwards until the second frame is sleeved on the outer side of the PCB, the cylinder is started to push the clamping rod to be attached to the side of the PCB, the PCB is fixed under the attaching effect of the front end and the rear end of the clamping rod, then the upper end face of the PCB is cleaned through the dry ice cleaning machine and the high-pressure spray head assembly, after the cleaning is finished, the hydraulic cylinder is driven to drive the first frame and the second frame to move upwards, the first motor is started to drive the first frame and the second frame to rotate until the original lower end face of the PCB is turned over, the turning operation of the PCB is realized, and then the original lower end face of the PCB can be cleaned through the high-pressure spray head assembly;

(2) Be provided with first framework and second framework, when utilizing the cooperation of dry ice cleaning machine and high pressure nozzle subassembly to wash the PCB board, drive locating component through the pneumatic cylinder and shift up by a small margin, and then can drive first motor and second motor respectively, drive the PCB board in first framework and the second framework and rotate by a small margin, form the contained angle between PCB board after the rotation and the high pressure nozzle subassembly, after the high pressure nozzle subassembly starts, can wash the tip dust of PCB board by high efficiency, the cleaning performance is good, and after wasing, the reuse conveying component will wash the inside of cavity of sending out the PCB board that finishes, send into unwashed PCB board simultaneously, realize batch cleaning operation, improve production efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall side view and three-dimensional structure of the present invention;

FIG. 2 is a schematic side view of a cleaning chamber according to the present invention;

FIG. 3 is a schematic diagram of the front view of the cleaning chamber of the present invention;

FIG. 4 is a schematic side perspective view of a conveyor assembly according to the present invention;

FIG. 5 is a schematic side view of a positioning assembly according to the present invention;

fig. 6 is a schematic side view of a first frame of the present invention.

In the figure: 1. a body; 2. a dry ice cleaning machine; 3. a control panel; 4. a glass separator; 5. cleaning the cavity; 6. a support frame body; 7. a transport assembly; 8. a material inlet and a material outlet; 9. a base; 10. a displacement adjustment assembly; 1001. an X-axis sliding rail module; 1002. a Y-axis slide rail module; 1003. a Z-axis sliding rail module; 11. a high pressure spray head assembly; 12. a positioning assembly; 1201. a hydraulic cylinder; 1202. a carrying plate; 1203. a first motor; 1204. a first rotating lever; 1205. a first frame; 1206. a second motor; 1207. a second rotating rod; 1208. a second frame; 1209. a cylinder; 1210. a clamping rod; 1211. a rubber pad; 13. visual detection mechanism.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a PCB board cleaning machine, including installing at the organism 1 of PCB board processing vehicle, dry ice cleaning machine 2 is installed to the lower extreme of organism 1, and the middle part front end of organism 1 installs the control screen 3 that can control components and parts and open and close, and the upper end inside of organism 1 has offered and has been used for the abluent washing cavity 5 of PCB board, and the left and right sides of wasing cavity 5 all communicates and has offered feed and discharge gate 8, and the upper end front side of organism 1 is fixed with glass baffle 4 simultaneously, in order to observe inside behavior; the support frame body 6 is placed on the workshop floor, the support frame body 6 is arranged on the outer side of the machine body 1, the upper end of the support frame body 6 is provided with a conveying assembly 7 capable of conveying the PCB, and the middle part of the conveying assembly 7 is respectively positioned in the feed and discharge port 8 and the cleaning cavity 5; a base 9 fixed inside the lower end of the cleaning chamber 5, wherein a displacement adjusting assembly 10 is installed at the upper right end of the base 9, a high-pressure spray head assembly 11 connected with the dry ice cleaning machine 2 is fixed at one side of the displacement adjusting assembly 10, the high-pressure spray head assembly 11 is positioned above the conveying assembly 7, and a positioning assembly 12 is installed at the upper right end of the base 9; the displacement adjusting assembly 10 consists of an X-axis sliding rail module 1001, a Y-axis sliding rail module 1002 and a Z-axis sliding rail module 1003, wherein the X-axis sliding rail module 1001 is arranged above the base 9, the Y-axis sliding rail module 1002 is arranged above the X-axis sliding rail module 1001, the Z-axis sliding rail module 1003 is movably arranged above the Y-axis sliding rail module 1002, and meanwhile, the side part of the Z-axis sliding rail module 1003 is fixedly connected with the high-pressure spray head assembly 11; a visual detection mechanism 13 is correspondingly arranged right above the positioning component 12, and the visual detection mechanism 13 is fixedly arranged on the left inner wall of the upper end of the cleaning cavity 5;

after the machine body 1 and the conveying component 7 are placed in a PCB processing workshop, the PCB is placed on the conveying component 7, the existing metering device is utilized to convey the PCB, after the PCB is conveyed into the cleaning cavity 5, the vision detection mechanism 13 detects that the PCB is conveyed to the position below the positioning component 12, the conveying component 7 is controlled to stop running through a system, the positioning component 12 is started, the positioning component 12 is utilized to clamp and fix the PCB, then the PCB is cleaned through the high-pressure spray head component 11 connected with the dry ice cleaning machine 2, and meanwhile, the X-axis slide rail module 1001, the Y-axis slide rail module 1002 and the Z-axis slide rail module 1003 are utilized to drive the high-pressure spray head component 11 to move in the X-axis, Y-axis and Z-axis directions so as to comprehensively clean the end face of the PCB;

the positioning assembly 12 comprises a hydraulic cylinder 1201 fixed above the left side of the base 9, wherein the output end of the upper end of the hydraulic cylinder 1201 is fixedly connected with a bearing plate 1202, the end part of the bearing plate 1202 is provided with a first motor 1203, the output end of the first motor 1203 is connected with a first rotating rod 1204 in a key way, the end part of the first rotating rod 1204 is fixedly provided with a first frame 1205, and the first motor 1203 is used for controlling the rotation of the first frame 1205; two hydraulic cylinders 1201 are symmetrically arranged around the central axis of the first frame 1205, and the central connecting line of the two hydraulic cylinders 1201 is the symmetry axis of the first frame 1205; the left and right sides of the first frame 1205 are fixedly provided with a second motor 1206, the output end of the second motor 1206 is connected with a second rotating rod 1207 in a key way, the end part of the second rotating rod 1207 is fixedly provided with a second frame 1208, the second motor 1206 is used for rotating the second frame 1208, the front end and the rear end of the second frame 1208 are fixedly provided with air cylinders 1209, and meanwhile, the output end of the air cylinder 1209 is connected with a clamping rod 1210 in the second frame 1208; the central axis of the first lever 1204 and the central axis of the second lever 1207 are perpendicular, and the symmetry axis of the second frame 1208 is collinear with the symmetry axis of the first frame 1205; a rubber pad 1211 is fixedly connected to one side of the clamping rod 1210 near the center of the second frame 1208;

as shown in fig. 2-6, before the high-pressure spray head assembly 11 cleans the PCB, the hydraulic lever is driven to drive the positioning assembly 12 to slightly move upwards, then the first motor 1203 and the second motor 1206 can be respectively driven to slightly rotate the PCB in the first frame 1205 and the second frame 1208, an included angle is formed between the rotated PCB and the high-pressure spray head assembly 11, after the high-pressure spray head assembly 11 is started, dust at the end of the PCB can be efficiently cleaned, the cleaning effect is good, after the upper end surface of the PCB is cleaned, the hydraulic cylinder 1201 is started again, then the first motor 1203 is started, the first frame 1205 and the second frame 1208 are driven to rotate until the original lower end surface of the PCB is turned over to the upper side, the turnover operation of the PCB is realized, then the original lower end surface of the PCB can be cleaned by the high-pressure spray head assembly 11, after the cleaning operation is finished, the cleaned PCB is sent out of the cleaning cavity 5 by the conveying assembly 7, and the unwashed PCB is simultaneously sent in, so that the batch cleaning operation is realized, and the production efficiency is improved.

Working principle: when the PCB cleaning machine is used, as shown in fig. 1-6, the PCB is firstly placed on the conveying component 7, the PCB is conveyed into the cleaning cavity 5, after the visual detection mechanism 13 detects that the PCB is conveyed to the lower side of the positioning component 12, the conveying component 7 is controlled to stop running through the system, the positioning component 12 is started, the PCB is clamped and fixed by the clamping rod 1210, then the PCB can be driven to rotate slightly under the action of the positioning component 12, an included angle is formed between the rotated PCB and the high-pressure spray head component 11, after the high-pressure spray head component 11 is started, the dust at the end part of the PCB can be efficiently cleaned, the cleaning effect is good, when the upper end face of the PCB is cleaned, the original lower end face of the PCB is turned over to the upper side by the positioning component 12, double-sided cleaning of the PCB is realized, then the cleaned PCB is sent out of the cleaning cavity 5 by the conveying component 7, the unwashed PCB is simultaneously fed, the batch cleaning operation is realized, and the production efficiency is improved.

What is not described in detail in this specification is prior art known to those skilled in the art.

In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides a PCB board cleaning machine, is including installing organism (1) at PCB board processing vehicle, its characterized in that: the dry ice cleaning machine is characterized in that the dry ice cleaning machine (2) is arranged at the lower end of the machine body (1), the control screen (3) capable of controlling the opening and closing of components is arranged at the front end of the middle of the machine body (1), a cleaning cavity (5) for cleaning a PCB (printed circuit board) is formed in the upper end of the machine body (1), a feeding and discharging hole (8) is formed in the left side and the right side of the cleaning cavity (5) in a communicating mode, and meanwhile, a glass partition plate (4) is fixed at the front side of the upper end of the machine body (1) so as to observe the internal working condition;

the support frame body (6) is placed on the ground of a workshop, the support frame body (6) is arranged on the outer side of the machine body (1), a conveying assembly (7) capable of conveying a PCB (printed circuit board) is arranged at the upper end of the support frame body (6), and the middle part of the conveying assembly (7) is respectively positioned in the feed and discharge port (8) and the cleaning cavity (5);

base (9), it is fixed in wash the lower extreme inside of cavity (5), and displacement adjustment subassembly (10) are installed to the right side upper end of base (9), and one side of displacement adjustment subassembly (10) is fixed with high-pressure shower nozzle subassembly (11) be connected with dry ice cleaning machine (2), moreover high-pressure shower nozzle subassembly (11) are located the top of conveying subassembly (7), simultaneously locating component (12) are installed to the right side upper end of base (9).

2. The PCB cleaning machine of claim 1, wherein: the displacement adjusting assembly (10) is composed of an X-axis sliding rail module (1001), a Y-axis sliding rail module (1002) and a Z-axis sliding rail module (1003), the X-axis sliding rail module (1001) is installed above the base (9), the Y-axis sliding rail module (1002) is installed above the X-axis sliding rail module (1001), the Z-axis sliding rail module (1003) is movably arranged above the Y-axis sliding rail module (1002), and meanwhile the side part of the Z-axis sliding rail module (1003) is fixedly connected with the high-pressure spray head assembly (11).

3. The PCB cleaning machine of claim 1, wherein: the visual detection mechanism (13) is correspondingly arranged right above the positioning assembly (12), and the visual detection mechanism (13) is fixedly arranged on the left inner wall of the upper end of the cleaning cavity (5).

4. The PCB cleaning machine of claim 1, wherein: the positioning assembly (12) comprises a hydraulic cylinder (1201) fixed above the left side of the base (9), a bearing plate (1202) is fixedly connected to the output end of the upper end of the hydraulic cylinder (1201), a first motor (1203) is mounted at the end of the bearing plate (1202), a first rotating rod (1204) is connected to the output end of the first motor (1203) in a key manner, a first frame (1205) is fixedly mounted at the end of the first rotating rod (1204), and the first motor (1203) is used for controlling the rotation of the first frame (1205).

5. The PCB cleaning machine of claim 4, wherein: the hydraulic cylinders (1201) are symmetrically arranged in front and back of the central shaft of the first frame body (1205), and the central connecting line of the two hydraulic cylinders (1201) is the symmetry axis of the first frame body (1205).

6. The PCB cleaning machine of claim 4, wherein: the left and right sides of first framework (1205) all fixed mounting has second motor (1206), and the output key of second motor (1206) is connected with second bull stick (1207), and the tip of second bull stick (1207) is fixed with second framework (1208), second motor (1206) are used for the rotation of second framework (1208), and the front and back both ends of second framework (1208) are fixed with cylinder (1209), simultaneously the output of cylinder (1209) in the internal connection of second framework (1208) has clamp lever (1210).

7. The PCB cleaning machine of claim 4, wherein: the central axis of the first rotating rod (1204) is perpendicular to the central axis of the second rotating rod (1207), and the symmetry axis of the second frame (1208) is collinear with the symmetry axis of the first frame (1205).

8. The PCB cleaning machine of claim 6, wherein: and a rubber pad (1211) is fixedly connected to one side of the clamping rod (1210) close to the center of the second frame body (1208).