Cleaning device for printed circuit board production

Abstract

The utility model discloses a cleaning device for printed circuit board production, which comprises a shell and a base, a plurality of large openings are arranged on the shell, a display screen and a control switch are mounted on the surface of the shell, two mounting racks are arranged on the base, limit strips are mounted on the inner sides of the two mounting racks, and a transmission mechanism is arranged below the mounting racks. A roller cleaning mechanism is arranged above the mounting frame, an air injection cleaning mechanism is arranged on the side face of the roller cleaning mechanism, a dust collection mechanism is arranged above the roller cleaning mechanism, the roller cleaning mechanism comprises a roller mounting shell, brush rollers are arranged on the inner side of the roller mounting shell, a servo motor is arranged at one end of the roller mounting shell, and choke plates are arranged on the two sides of the roller mounting shell. A plurality of mounting holes are formed in the top of the roller mounting shell in a penetrating mode, pressing assemblies are arranged on the two sides of the two ends of the roller mounting shell, and a plurality of air nozzles are arranged on the supporting blocks in a penetrating mode. The cleaning device has the advantages of being high in cleaning efficiency and good in cleaning effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the circuit board production equipment manufacturing technical field especially relates to a cleaning device for printed circuit board production. BACKGROUND

[0002] Printed circuit board (PCB) is the key component of electronic products, which realizes the electrical connection between electronic components through copper foil line etching on the insulating substrate by electronic technology. As the nervous system of electronic equipment, PCB carries the signal transmission and function realization of circuit, and its design is precise and manufacturing is complex, and it is widely used in communication, computer, consumer electronics and other fields, and is an indispensable basic element of modern electronic industry.

[0003] In the production process of printed circuit board, the cleaning link is very important, and the traditional cleaning method often has problems such as incomplete cleaning and low efficiency, which is difficult to meet the high standard requirements of modern circuit board production. Therefore, an efficient and comprehensive cleaning device for the surface of circuit board is urgently needed to ensure the production quality and reliability of circuit board. SUMMARY

[0004] The utility model discloses a cleaning device for printed circuit board production to solve the problems of incomplete cleaning and low efficiency of common printed circuit board cleaning equipment.

[0005] The utility model discloses a following technical scheme to realize above-mentioned purpose: including shell and base, be equipped with a plurality of large -scale opening on the shell, the shell surface is installed with display screen and control switch, be equipped with two mounting brackets on the base, two The inside of mounting bracket all installs the limit strip, be equipped with transmission mechanism under the mounting bracket, be equipped with roller cleaning mechanism above the mounting bracket, the side of roller cleaning mechanism is equipped with jet cleaning mechanism, be equipped with dust collection mechanism above the roller cleaning mechanism, the roller cleaning mechanism includes roller installation shell, the inside of roller installation shell is equipped with brush roller, one end of roller installation shell is equipped with servo motor, both sides of roller installation shell are equipped with wind -resisting plate, a plurality of mounting holes are equipped with through the top of roller installation shell, both ends of roller installation shell both sides all are equipped with pressure assembly, dust collection mechanism includes a plurality of plug -in pipes, the top of plug -in pipe is equipped with the communication pipe, one end of communication pipe is equipped with fan, jet cleaning mechanism includes support block, a plurality of air nozzles are equipped with through the support block.

[0006] Further, both ends of the roller installation shell are connected with the two mounting brackets through the support, both ends of the brush roller are connected with the support through the rotating shaft, the servo motor is connected with the support through the screw, the output end of the servo motor is connected with the brush roller, and the wind -resisting plate is connected with the roller installation shell through the screw.

[0007] Further, the pressing assembly comprises an axle mounting member, a pressing roller is arranged inside the axle mounting member and connected through a rotating shaft, the axle mounting member is connected with the mounting frame through a Z-shaped support and a screw, a round rod is fixedly arranged on the top of the axle mounting member and inserted into the Z-shaped support, the round rod is slidably connected with the Z-shaped support, and a spring is arranged outside the round rod.

[0008] Further, the communication pipe is connected with the plurality of plug-in pipes through a pipe fitting, the plug-in pipes are inserted into the inside of the mounting holes, the other end of the communication pipe is sealed, and the fan is connected with the base through a support.

[0009] Further, the support block is provided with air outlet openings on both sides, the air nozzle is fastened with the support block through a nut, and the air outlet direction of the air nozzle is directly downward.

[0010] Further, the transmission mechanism comprises a driving motor, two driving wheels and eight driven wheels, the two driving wheels are respectively arranged below the inside of the two mounting frames and connected through a rotating shaft support, the driving motor is connected with the two driving wheels through a transmission shaft, and the driving motor is connected with the base through a support.

[0011] Further, the eight driven wheels are divided into two groups and arranged in the inside of the two mounting frames, each group of four driven wheels is provided with one driven wheel at both ends of the limiting strip and two driven wheels below the limiting strip, and each group of four driven wheels is connected with the corresponding driving wheel below through a belt transmission.

[0012] Beneficial effects: the utility model discloses the following beneficial effects:

[0013] 1. In the utility model scheme, through the combination of the high-pressure airflow flushing of the air jet cleaning mechanism, the physical brushing of the brush roller of the roller cleaning mechanism and the dust collection of the dust collection mechanism, the device can comprehensively and deeply clean various stains and impurities on the surface of the circuit board, ensure the cleanliness of the circuit board in the production process, and improve the reliability and stability of the product, and the efficient cleaning capacity significantly improves the production quality of the circuit board.

[0014] 2. In the utility model scheme, the transmission mechanism can stably convey the circuit board, the pressing assembly can ensure the stability of the circuit board in the cleaning process, and the operator only needs to simply operate through the display screen and the control switch, so that the whole cleaning process can be completed, thereby improving the production efficiency, the automation degree is high, and the labor intensity of the operator is greatly reduced. DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is internal structure schematic view of the utility model;

[0017] Figure 3 It is explosion view of the utility model drum cleaning mechanism structure;

[0018] Figure 4 It is jet cleaning mechanism structure schematic view of the utility model;

[0019] Figure 5 It is transmission mechanism structure schematic view of the utility model;

[0020] Figure 6 It is compression assembly structure schematic view of the utility model.

[0021] In the drawing: 1-outer shell, 2-base, 3-mounting frame, 4-limit strip, 5-transmission mechanism, 6-drum cleaning mechanism, 7-jet cleaning mechanism, 8-dust collection mechanism, 9-compression assembly;

[0022] 101-large opening, 102-display screen, 103-control switch, 501-driving motor, 502-driving wheel, 503-driven wheel, 601-roller mounting shell, 602-brush roller, 603-servo motor, 604-air resistance plate, 605-mounting hole, 701-supporting block, 702-air nozzle, 703-exhaust port, 801-plug-in pipe, 802-communication pipe, 803-fan, 901-axle mounting piece, 902-compression roller, 903-round rod, 904-spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Combined Figures 1 to 6The illustrated cleaning device for printed circuit board production includes a shell 1 and a base 2. The shell 1 is provided with a plurality of large openings 101. A display screen 102 and a control switch 103 are mounted on the surface of the shell 1. Two mounting racks 3 are provided on the base 2. Limiting strips 4 are mounted on the inner sides of the two mounting racks 3. A transmission mechanism 5 is provided below the mounting racks 3. A roller cleaning mechanism 6 is provided above the mounting racks 3. An air jet cleaning mechanism 7 is provided on the side of the roller cleaning mechanism 6. A dust suction mechanism 8 is provided above the roller cleaning mechanism 6. The roller cleaning mechanism 6 includes a roller mounting shell 601. A brush roller 602 is provided on the inner side of the roller mounting shell 601. A servo motor 603 is provided at one end of the roller mounting shell 601. Air resistance plates 604 are provided on both sides of the roller mounting shell 601. A plurality of mounting holes 605 are provided through the top of the roller mounting shell 601. Pressure assembly 9 is provided on both sides of the two ends of the roller mounting shell 601. The dust suction mechanism 8 includes a plurality of plug-in pipes 801. A communication pipe 802 is provided above the plug-in pipe 801. A fan 803 is provided at one end of the communication pipe 802. The air jet cleaning mechanism 7 includes support blocks 701. A plurality of air nozzles 702 are provided through the support blocks 701.

[0025] The two ends of the roller mounting shell 601 are connected to the two mounting racks 3 through supports. The two ends of the brush roller 602 are connected to the supports through shafts. The servo motor 603 is connected to the supports through screws. The output end of the servo motor 603 is connected to the brush roller 602. The air resistance plates 604 are connected to the roller mounting shell 601 through screws.

[0026] The pressure assembly 9 includes a wheel shaft mounting piece 901. A pressure roller 902 is provided on the inner side of the wheel shaft mounting piece 901 and connected through a shaft. The wheel shaft mounting piece 901 is connected to the mounting rack 3 through a Z-shaped support and a screw. A round rod 903 is fixedly provided on the top of the wheel shaft mounting piece 901 and inserted into the Z-shaped support. The round rod 903 is connected to the Z-shaped support in a sliding manner. A spring 904 is provided on the outer side of the round rod 903.

[0027] The communication pipe 802 is connected to the plurality of plug-in pipes 801 through a pipe. The plug-in pipe 801 is inserted into the inner side of the mounting hole 605. The other end of the communication pipe 802 is sealed. The fan 803 is connected to the base 2 through a support.

[0028] Air outlets 703 are provided on both sides of the support block 701. The air nozzles 702 are fastened to the support block 701 through nuts. The air outlet direction of the air nozzles 702 is directly downward. The air nozzles 702 are connected to external high-pressure air jet equipment through pipelines.

[0029] The transmission mechanism 5 includes a drive motor 501, two driving wheels 502, and eight driven wheels 503. The two driving wheels 502 are respectively located below the inner sides of the two mounting racks 3 and connected through shaft supports. The drive motor 501 is connected to the two driving wheels 502 through a transmission shaft. The drive motor 501 is connected to the base 2 through a support.

[0030] Eight driven wheels 503 are divided into two groups and are installed on the inner side of two mounting frames 3, and each group of four driven wheels 503 is provided with one driven wheel 503 at each end of the limiting strip 4 and two driven wheels 503 below the limiting strip 4, and each group of four driven wheels 503 is connected with the corresponding driving wheel 502 below through a belt drive.

[0031] Working principle: during use, the driving motor 501 is started, and the two driving wheels 502 are rotated through the transmission shaft, the driving wheels 502 drive the respective four driven wheels 503 to rotate through the belt drive, the driven wheels 503 are located on both sides and below the limiting strip 4, and a stable conveying path is provided for the circuit board, the circuit board to be cleaned is placed on the conveying path composed of the limiting strip 4, the driving wheel 502 and the driven wheel 503, and the circuit board is stably conveyed to the cleaning area along with the rotation of the driven wheel;

[0032] The high-pressure airflow is sprayed to the circuit board through the air nozzle 702, the airflow removes the fine dust and impurities on the surface of the circuit board, and may also loosen stubborn stains, the air outlet 703 allows the airflow to overflow from both sides, avoids damage caused by the direct accumulation of high-intensity wind pressure on the circuit board, the servo motor 603 is started, and drives the brush roller 602 to rotate in the roller mounting shell 601, the brush roller 602 is in contact with the circuit board, and the dust and impurities on the surface of the circuit board are brushed away, and the air baffle 604 prevents dust from flying everywhere, which helps the dust collection mechanism to collect dust more effectively;

[0033] The fan 803 is started to generate suction, the plug-in pipe 801 collects the dust and impurities generated by the brush roller 602, the dust and impurities enter the communication pipe 802 through the plug-in pipe 801, and are finally sucked away by the fan 803 and discharged outside the device, the pressing assembly 9 is in contact with the circuit board through the pressing roller 902, so that the circuit board is kept stable during the cleaning process, the spring 904 provides appropriate pressure, so that the pressing roller 902 can closely adhere to the surface of the circuit board, and at the same time allows a certain degree of elastic adjustment to adapt to circuit boards of different thicknesses.

[0034] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0035] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A cleaning device for printed circuit board production, comprising a housing (1) and a base (2), a plurality of large openings (101) are arranged on the housing (1), a display screen (102) and a control switch (103) are mounted on the surface of the housing (1), characterized in that: The base (2) is provided with two mounting racks (3), the inner side of the two mounting racks (3) is provided with a limiting strip (4), the lower side of the mounting rack (3) is provided with a transmission mechanism (5), the upper side of the mounting rack (3) is provided with a roller cleaning mechanism (6), the side of the roller cleaning mechanism (6) is provided with a jet cleaning mechanism (7), the upper side of the roller cleaning mechanism (6) is provided with a dust collection mechanism (8), the roller cleaning mechanism (6) comprises a roller mounting shell (601), the inner side of the roller mounting shell (601) is provided with a brush roller (602), one end of the roller mounting shell (601) is provided with a servo motor (603), the two sides of the roller mounting shell (601) are provided with a wind resistance plate (604), a plurality of mounting holes (605) are penetratingly arranged on the top of the roller mounting shell (601), the two sides of the two ends of the roller mounting shell (601) are provided with a pressing assembly (9), the dust collection mechanism (8) comprises a plurality of plug-in pipes (801), the upper side of the plug-in pipe (801) is provided with a communication pipe (802), one end of the communication pipe (802) is provided with a fan (803), the jet cleaning mechanism (7) comprises a supporting block (701), a plurality of air nozzles (702) are penetratingly arranged on the supporting block (701).

2. The cleaning device for printed circuit board production according to claim 1, characterized in that: The two ends of the roller mounting shell (601) are connected with the two mounting racks (3) through supports, the two ends of the brush roller (602) are connected with the supports through rotating shafts, the servo motor (603) is connected with the supports through screws, the output end of the servo motor (603) is connected with the brush roller (602), and the wind resistance plate (604) is connected with the roller mounting shell (601) through screws.

3. The cleaning device for printed circuit board production according to claim 2, characterized in that: The pressing assembly (9) comprises a wheel shaft mounting piece (901), the inner side of the wheel shaft mounting piece (901) is provided with a pressing roller (902) and is connected through a rotating shaft, the wheel shaft mounting piece (901) is connected with the mounting rack (3) through a Z-shaped support and a screw, a round rod (903) of the Z-shaped support is fixedly arranged on the top of the wheel shaft mounting piece (901), the round rod (903) is slidably connected with the Z-shaped support, and the outer side of the round rod (903) is provided with a spring (904).

4. The cleaning device for printed circuit board production according to claim 3, characterized in that: The communication pipe (802) is connected with the plurality of plug-in pipes (801) through a pipe, the plug-in pipe (801) is inserted into the inner side of the mounting hole (605), the other end of the communication pipe (802) is sealed, and the fan (803) is connected with the base (2) through a support.

5. A cleaning device for printed circuit board production according to claim 4, characterized in that: The two sides of the supporting block (701) are provided with air outlets (703), the air nozzle (702) is fastened with the supporting block (701) through a nut, and the air outlet direction of the air nozzle (702) is directly downward.

6. A cleaning device for printed circuit board production according to claim 5, characterized in that: Said transmission mechanism (5) includes drive motor (501), two driving wheels (502) and eight driven wheels (503), two said driving wheels (502) are respectively located in two said mounting bracket (3) inside below and are connected through the shaft support, the drive motor (501) is connected with two said driving wheels (502) through transmission shaft, the drive motor (501) is connected with the base (2) through support.

7. A cleaning device for printed circuit board production according to claim 6, characterized in that: Eight said driven wheels (503) are divided into two groups and are installed in two said mounting bracket (3) inside, and each group four said driven wheels (503) are respectively set one in two ends of said limiting strip (4) and two below said limiting strip (4), and each group four said driven wheels (503) are connected with corresponding position below said driving wheel (502) through belt drive.

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