A dust removal mechanism suitable for circuit board processing

Abstract

The utility model relates to the technical field of circuit board processing equipment, and discloses a dust removal mechanism suitable for circuit board processing, comprising a machine body, a circuit board conveying main machine for conveying circuit boards is installed on the machine body, a dust cover is installed on the circuit board conveying main machine, a dust suction component is installed in the dust cover, a rotatable dust sweeping component is arranged below the dust suction component, the upper surface of the dust sweeping component is in contact with the dust suction port of the dust suction component, and a high-pressure wind static removal device installed in the dust cover is arranged on one side of the dust sweeping component, so that the high-pressure wind is blown to the contact surface between the circuit board and the dust sweeping component; the dust removal mechanism suitable for circuit board processing uses the dust sweeping component to sweep the dust on the surface of the circuit board, so that the raised dust is sucked away by the dust suction component, and at the same time, the high-pressure wind static removal device is used to blow air and remove static electricity on the surface of the circuit board to prevent dust from being adsorbed on the surface of the circuit board again due to static electricity, and the dust removal effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing equipment, in particular to a dust removal mechanism suitable for circuit board processing. Background Art

[0002] When processing PCB boards, the surface of the substrate usually needs to be cleaned and processed. However, the production efficiency of PCB substrates is relatively fast, and they are usually stored waiting for the next process. However, when the surface of the PCB substrate is processed, dust is easily adhered. During the storage process, some dust will also accumulate. If this dust is not cleaned for a long time, especially on the metal surface, it is easy to generate static electricity, which makes the dust easy to adhere tightly and difficult to clean in the next process. Utility Model Content

[0003] In order to overcome the defects in the prior art, the utility model provides a dust removal mechanism suitable for circuit board processing to solve the problems in the prior art.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a dust removal mechanism suitable for circuit board processing, comprising a machine body, a circuit board conveying host for conveying circuit boards is installed on the machine body, the circuit board conveying host is covered with a dust cover, a dust suction component is installed in the dust cover, a rotatable dust sweeping component is arranged below the dust suction component, the upper surface of the dust sweeping component is in contact with the dust suction port of the dust suction component, and a high-pressure wind static removal device installed in the dust cover is arranged on one side of the dust sweeping component so that the high-pressure wind blows toward the contact surface between the circuit board and the dust sweeping component.

[0005] In the above-mentioned dust removal mechanism suitable for circuit board processing, the dust suction component includes an air suction hood installed above the dust cover, a negative pressure air duct is installed on the upper end of the air suction hood, a suction port is arranged on the upper end of the negative pressure air duct, a dust suction port is arranged on the upper end of the dust cover, and the air suction port is connected to the dust suction port.

[0006] In the above-mentioned dust removal mechanism suitable for circuit board processing, the dust sweeping assembly includes a core shaft installed in the dust cover through a bearing, and a brush roller is installed on the core shaft. The brush roller is located below the suction cover, and the lower surface of the brush roller contacts the surface of the circuit board, and the upper surface of the brush roller contacts the two sides of the suction cover respectively.

[0007] In the above-mentioned dust removal mechanism suitable for circuit board processing, the high-voltage wind static removal device includes an ion wind rod, which is arranged at an angle. A high-voltage ionization air outlet is installed on the lower end surface of the ion wind rod, and a guide rail is arranged on the upper end. A mounting seat is arranged on the guide rail, and the upper end of the mounting seat is connected to the inner upper end of the dust cover. The high-voltage ionization air outlet corresponds to the contact surface between the brush roller and the circuit board, and a high-voltage power supply connected to the ion wind rod wire is installed on the upper end of the dust cover.

[0008] In the above-mentioned dust removal mechanism suitable for circuit board processing, the circuit board conveying main body includes a base installed on the body, and belt seats are respectively installed on both sides of the base, and pulleys are installed at both ends of the side corresponding to the belt seats on both sides, and the pulleys on the same side are connected by a conveying belt. The conveying belts on both sides are used to support and convey the circuit board fixture, and the circuit board is placed on the circuit board fixture.

[0009] In the above-mentioned dust removal mechanism suitable for circuit board processing, a dustproof bin for placing circuit board fixtures is installed on one side of the machine body close to the input end of the circuit board conveying host.

[0010] In the above-mentioned dust removal mechanism suitable for circuit board processing, a raised baffle is provided on the outer side of the upper end of the belt seat.

[0011] The beneficial effect of the utility model lies in that a dust suction component and a dust sweeping component are installed in the dust cover, and the dust sweeping component is used to sweep the dust on the surface of the circuit board, so that the raised dust is sucked away by the dust suction component. At the same time, the surface of the circuit board is blown and static electricity is removed by a high-pressure wind anti-static device to prevent the dust from being adsorbed on the surface of the circuit board again due to static electricity, so that the dust can be better sucked away by the dust suction component, and the upper surface of the rotating dust sweeping component is in contact with the dust suction port of the dust suction component, so that the dust adhering to the dust sweeping component can be shaken off due to the collision and sucked away again, thereby reducing the dust accumulation on the dust sweeping component and achieving a better overall dust removal effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the dust removal mechanism of the utility model suitable for circuit board processing.

[0013] Figure 2 The utility model is a schematic diagram of the internal structure of the dust removal mechanism suitable for circuit board processing.

[0014] Figure 3 Schematic diagram of the three-dimensional structure of the circuit board conveying host, dust collection component, dust sweeping component and high-voltage air static removal device.

[0015] In the figure: body 1, dustproof bin 2, circuit board conveying host 3, base 4, dustproof cover 5, suction hood 6, negative pressure air duct 7, suction port 8, dust suction port 9, circuit board fixture 10, core shaft 11, brush roller 12, ion wind rod 13, guide rail 14, mounting seat 15, belt seat 16, pulley 17, baffle 18, high voltage power supply 19. DETAILED DESCRIPTION

[0016] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0017] Combination Figures 1 to 3 The dust removal mechanism shown in the figure is suitable for circuit board processing, comprising a body 1, a circuit board conveying main body 3 for conveying circuit boards is installed on the body 1, a dust cover 5 is installed on the circuit board conveying main body 3, a dust suction component is installed in the dust cover 5, a rotatable dust sweeping component is arranged below the dust suction component, the upper surface of the dust sweeping component is in contact with the dust suction port of the dust suction component, and a high-pressure wind static removal device installed in the dust cover 5 is arranged on one side of the dust sweeping component, so that the high-pressure wind blows toward the contact surface between the circuit board and the dust sweeping component; in this embodiment, a dust removal device is installed in the dust cover 5 to remove the static electricity from the circuit board. A dust collection component and a dust sweeping component are installed, and the dust sweeping component is used to sweep the surface of the circuit board, so that the raised dust is sucked away by the dust collection component. At the same time, the surface of the circuit board is blown and static electricity is removed by a high-pressure wind anti-static device to prevent dust from being adsorbed on the surface of the circuit board again due to static electricity, so that the dust can be better sucked away by the dust collection component, and the upper surface of the rotating dust sweeping component is in contact with the dust suction port of the dust collection component, so that the dust adhering to the dust sweeping component can be shaken off due to the collision and sucked away again, thereby reducing the dust accumulation on the dust sweeping component and achieving a better overall dust removal effect.

[0018] It is worth noting that the circuit board conveying host 3 of the present embodiment includes a base 4 installed on the body 1, and belt seats 16 are respectively installed on both sides of the base 4, and pulleys 17 are installed at both ends of the corresponding side of the belt seats 16 on both sides, and the pulleys 17 on the same side are connected by a conveying belt. The conveying belts on both sides are used to support and convey the circuit board fixture 10, and the circuit board is placed on the circuit board fixture 10; the circuit board fixture 10 of the present embodiment is plate-shaped, and a board groove for accommodating a circuit board or a base is provided on the upper surface, so that the surface of the circuit board or the substrate is flush with the surface of the circuit board fixture 10, and the circuit board or the base is placed on the circuit board fixture 10, and supported and conveyed to the bottom of the dust removal component by the conveying belts on both sides for dust removal. Under the weight of the circuit board fixture 10, the circuit board can be prevented from being scraped away or shifted during cleaning, and the cleaning effect is better. In the present embodiment, a raised baffle 18 is provided on the outer side of the upper end of the belt seat 16, which can further prevent the circuit board fixture 10 from shifting during transportation and cleaning.

[0019] It is also worth mentioning that a dustproof bin 2 for placing a circuit board fixture 10 is installed on one side of the body 1 of this embodiment close to the input end of the circuit board conveying host 3; the dustproof bin 2 can be used to place unprocessed or dust-to-be-removed circuit boards or substrates to reduce the accumulation of a large amount of dust due to long-term placement.

[0020] The dust suction assembly of this embodiment includes an air suction hood 6 installed on the upper part of the dust cover 5, a negative pressure air duct 7 is installed on the upper end of the air suction hood 6, a suction port 8 is arranged on the upper end of the negative pressure air duct 7, a dust suction port 9 is arranged on the upper end of the dust cover 5, and the air suction port 8 is connected with the dust suction port 9; the dust suction port 9 is used to connect to the suction fan so that the airflow in the dust cover 5 is drawn in to form negative pressure, which can be used for dust suction.

[0021] The dust sweeping assembly of the present embodiment includes a core shaft 11 installed in the dust cover 5 through a bearing, a brush roller 12 is installed on the core shaft 11, the brush roller 12 is located below the suction cover 6, the lower surface of the brush roller 12 is in contact with the surface of the circuit board, and the two sides of the upper surface of the brush roller 12 are in contact with the two sides of the suction cover 6 respectively; a core shaft driving motor is installed on one side of the dust cover 5, which is used to drive the core shaft 11 to rotate, thereby driving the brush roller 12 to rotate. A plurality of bristles are arranged on the surface of the brush roller 12 of the present embodiment. During the rotation of the brush roller 12, the lower surface is used to clean the surface dust of the circuit board or substrate, and the upper surface collides with the two sides of the suction cover 6, so that the dust adhering to the bristles is shaken off and sucked away by the airflow in the dust cover 5 to prevent dust accumulation.

[0022] The high-voltage wind static removal device of this embodiment includes an ion wind rod 13, which is arranged at an angle. A high-voltage ionization air outlet is installed on the lower end surface of the ion wind rod 13, and a guide rail 14 is arranged on the upper end. A mounting seat 15 is arranged on the guide rail 14. The upper end of the mounting seat 15 is connected to the inner upper end of the dust cover 5. The high-voltage ionization air outlet corresponds to the contact surface between the brush roller 12 and the circuit board. A high-voltage power supply 19 connected to the wire of the ion wind rod 13 is installed on the upper end of the dust cover 5; ion wind is blown to the contact surface between the brush roller 12 and the circuit board through the high-voltage ionization air outlet on the ion wind rod 13, so that the static electricity on the surface of the circuit board or the substrate is eliminated, and the dust is easily blown away, which further facilitates dust removal. At the same time, the dust on the brush surface is also easier to shake off and remove.

[0023] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A dust removal mechanism suitable for circuit board processing, comprising a body (1), on which a circuit board conveying host (3) for conveying circuit boards is mounted, characterized in that: The circuit board conveying main unit (3) is covered with a dust cover (5), a dust collecting assembly is installed in the dust cover (5), a rotatable dust sweeping assembly is arranged below the dust collecting assembly, the upper surface of the dust sweeping assembly is in contact with the dust suction port of the dust collecting assembly, and a high-pressure air static removal device installed in the dust cover (5) is arranged on one side of the dust sweeping assembly so that the high-pressure air is blown toward the contact surface between the circuit board and the dust sweeping assembly; The dust collection assembly comprises an air suction cover (6) installed above the dust cover (5), a negative pressure air duct (7) is installed at the upper end of the air suction cover (6), an air suction port (8) is arranged at the upper end of the negative pressure air duct (7), a dust suction port (9) is arranged at the upper end of the dust cover (5), and the air suction port (8) is connected to the dust suction port (9); The dust sweeping assembly comprises a core shaft (11) mounted in a dust cover (5) via a bearing, a brush roller (12) being mounted on the core shaft (11), the brush roller (12) being located below the air suction cover (6), the lower surface of the brush roller (12) being in contact with the surface of the circuit board, and the upper surface of the brush roller (12) being in contact with the two sides of the air suction cover (6) on both sides.

2. A dust removal mechanism suitable for circuit board processing according to claim 1, characterized in that: The high-voltage wind static electricity removal device comprises an ion wind rod (13), the ion wind rod (13) is arranged obliquely, a high-voltage ionization air outlet is installed on the lower end surface of the ion wind rod (13), a guide rail (14) is arranged on the upper end, a mounting seat (15) is arranged on the guide rail (14), the upper end of the mounting seat (15) is connected to the inner upper end of the dust cover (5), the high-voltage ionization air outlet corresponds to the contact surface between the brush roller (12) and the circuit board, and a high-voltage power supply (19) connected to the wire of the ion wind rod (13) is installed on the upper end of the dust cover (5).

3. A dust removal mechanism suitable for circuit board processing according to claim 1, characterized in that: The circuit board conveying main machine (3) comprises a base (4) mounted on a machine body (1), belt seats (16) being mounted on both sides of the base (4), belt pulleys (17) being mounted on both ends of a side corresponding to the belt seats (16) on both sides, the belt pulleys (17) on the same side being connected via a conveying belt, the conveying belts on both sides being used to support and convey a circuit board fixture (10), a circuit board being placed on the circuit board fixture (10).

4. A dust removal mechanism suitable for circuit board processing according to claim 3, characterized in that: A dustproof bin (2) for placing a circuit board fixture (10) is installed on one side of the machine body (1) close to the input end of the circuit board conveying host (3).

5. A dust removal mechanism suitable for circuit board processing according to claim 3, characterized in that: A raised baffle (18) is provided on the outer side of the upper end of the belt seat (16).

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