Online PCBA (Printed Circuit Board Assembly) dust remover

Abstract

The utility model provides an on-line PCBA (printed circuit board assembly) dust remover, which comprises a first casing and a second casing mounted on the first casing, and a jig component used for placing a PCB to be subjected to dust removal is arranged in the first casing. A first dust removal assembly located above the jig assembly and a second dust removal assembly located below the jig assembly are further arranged in the first machine shell, and the first dust removal assembly comprises two ion air guns and a first driving mechanism used for driving the two ion air guns to move in a staggered mode. The second dust removal assembly comprises a brush assembly and a second driving mechanism used for driving the brush assembly to do reciprocating motion. Compared with the prior art, the dust removing device has the advantages that the two ion air guns are driven by the two first driving air cylinders to move in a staggered mode, so that dust on the front face of a PCB can be removed, the anti-static brush and the rotary fluctuation nozzle are driven by the second driving air cylinder to move left and right, and dust on the back face of the PCB can be removed. And the dust removal effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removers, in particular to an online PCBA dust remover. Background Art

[0002] The substrate is the main part of the PCB, usually made of materials such as glass fiber cloth and epoxy resin. There is usually a layer of copper foil on the substrate to conduct electrical signals and electricity. The thickness and size of the substrate depend on the purpose and design requirements of the PCB. The PCB board can be divided into different layers such as 6 layers, 8 layers, and 12 layers. The proportion of epoxy resin and adhesive contained in different layers is different. In order to meet the purpose and design requirements of the PCB, the substrate needs to be cut. At the same time, in order to meet RoHS requirements, the PCB board needs to be dust-free after cutting. However, the existing dust removal methods, whether it is manual air gun dust removal or dust removal using brushes and ion fans, not only have high dust removal noise, but also consume time and manpower, and the dust removal effect is not good. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide an online PCBA dust remover to solve the problem of poor dust removal effect in the prior art.

[0004] In order to achieve the above purpose and other related purposes, the utility model provides the following technical solutions:

[0005] An online PCBA dust removal machine comprises a first housing and a second housing mounted on the first housing, wherein a jig assembly for placing a PCB board to be dusted is provided in the first housing, wherein the jig assembly comprises a support plate and a jig mounted on the support plate and replaceable according to the size of the PCB board to be dusted, wherein a first dust removal assembly located above the jig assembly and a second dust removal assembly located below the jig assembly are also provided in the first housing, wherein the first dust removal assembly comprises two ion air guns and a first driving mechanism for driving the two ion air guns to perform staggered motion, wherein the second dust removal assembly comprises a brush assembly and a second driving mechanism for driving the brush assembly to perform reciprocating motion, wherein the brush assembly comprises an antistatic brush and a rotating wave nozzle located on the side of the antistatic brush.

[0006] In one embodiment of the utility model, the jig assembly is installed in the first housing through a mounting frame, the support plate is installed on the mounting frame, a first opening is opened on the jig, and the first opening is provided with a plurality of support members for supporting the PCB board to be dusted and matching the size of the PCB board to be dusted.

[0007] In one embodiment of the utility model, a mounting groove for placing a jig is provided on the support plate, a plurality of positioning pins are provided in the mounting groove, a plurality of clamping holes are provided on the jig corresponding to the positioning pins, the positioning pins match the clamping holes and can be clamped with the clamping holes, and a second opening is provided in the mounting groove corresponding to the first opening. This technical solution can install the jig in the mounting groove on the support plate by clamping the positioning pins in the clamping holes, so that the jig can be replaced according to the size of the PCB board to be dusted.

[0008] In one embodiment of the utility model, the first driving mechanism includes a first driving cylinder installed on the two side walls inside the first housing and located above the fixture, the ion air gun is installed on the first driving cylinder through a first mounting plate, two of the ion air guns are located above the fixture and the two ion air guns are symmetrically installed on the two first driving cylinders along the center line of the fixture. This technical solution drives the two ion air guns to perform staggered motion through the two first driving cylinders, thereby removing dust on the front of the PCB board, resulting in a better dust removal effect.

[0009] In one embodiment of the utility model, the second driving mechanism includes a second driving cylinder installed on the inner wall of the first housing for driving the brush assembly to move left and right, and a third driving cylinder installed on the second driving cylinder through a second mounting plate and used to drive the brush assembly to move up and down. The brush assembly is installed on the third driving cylinder through a third mounting plate. This technical solution drives the anti-static brush and the rotating wave nozzle to move left and right through the second driving cylinder, thereby removing dust on the back of the PCB board, resulting in a better dust removal effect.

[0010] In one embodiment of the utility model, a third mounting plate is installed on the third driving cylinder, the anti-static brush is located below the first opening on the jig and is detachably mounted on the third mounting plate, and the rotating wave nozzle is located below the first opening on the jig and is mounted on the third mounting plate through a connecting plate.

[0011] In one embodiment of the utility model, a cover plate is provided on the top of the first housing, and the cover plate includes a first cover plate driven by two fourth driving cylinders and a second cover plate driven by a fifth driving cylinder. The two fourth driving cylinders are installed on both sides of the top of the first housing, and the fifth driving cylinder is installed on the side of the first housing away from the first cover plate. The second cover plate is provided with a third opening for the transfer component to pass through on the side facing the first cover plate. This technical solution drives the first cover plate and the second cover plate to move relative to each other by the fourth driving cylinder and the fifth driving cylinder, so that the dust collector can be closed, so that the noise is smaller during dust removal.

[0012] In one embodiment of the utility model, an anti-static suction cup for sucking and fixing the PCB board to be dusted is provided at the end of the transfer assembly, the shape of the second housing is a trapezoid, a dust box is installed at the bottom of the second housing, and a dust outlet pipe is connected to the dust box.

[0013] As described above, the online PCBA dust removal machine of the utility model has the following beneficial effects:

[0014] The utility model drives two ion air guns to make staggered movements through two first driving cylinders, thereby removing dust on the front side of the PCB board; drives the anti-static brush and the rotating wave nozzle to move left and right through the second driving cylinder, thereby removing dust on the back side of the PCB board, so that the dust removal effect is better; drives the anti-static brush and the rotating wave nozzle to move up and down through the third driving cylinder, thereby adjusting the height of the anti-static brush and the rotating wave nozzle; drives the first cover plate and the second cover plate to move relatively through the fourth driving cylinder and the fifth driving cylinder, thereby closing the dust collector, thereby reducing noise during dust removal. Therefore, the utility model not only has a better dust removal effect, but also saves labor costs and reduces noise pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front perspective schematic diagram of an online PCBA dust removal machine disclosed in an embodiment of the utility model;

[0016] Figure 2 It is a top perspective schematic diagram of an online PCBA dust removal machine disclosed in an embodiment of the utility model;

[0017] Figure 3 It is a rear perspective schematic diagram of the online PCBA dust removal machine disclosed in the embodiment of the utility model;

[0018] Figure 4 It is a right rear-view cross-sectional perspective diagram of a first housing in an online PCBA dust remover disclosed in an embodiment of the utility model;

[0019] Figure 5 It is a right front view cross-sectional stereoscopic schematic diagram of the first housing in the online PCBA dust remover disclosed in the embodiment of the utility model;

[0020] Figure 6 It is a three-dimensional schematic diagram of a fixture assembly in an online PCBA dust removal machine disclosed in an embodiment of the utility model;

[0021] Figure 7 It is a three-dimensional schematic diagram of a support plate in an online PCBA dust removal machine disclosed in an embodiment of the utility model;

[0022] Figure 8It is a left-side stereoscopic schematic diagram of a first dust removal component in an online PCBA dust removal machine disclosed in an embodiment of the utility model;

[0023] Fig. 9 It is a right-side stereoscopic schematic diagram of a first dust removal component in an online PCBA dust removal machine disclosed in an embodiment of the utility model;

[0024] Fig.10 It is a right-side stereoscopic schematic diagram of a second dust removal component in an online PCBA dust removal machine disclosed in an embodiment of the utility model;

[0025] Fig.11 It is a left-side stereoscopic schematic diagram of the second dust removal component in the online PCBA dust removal machine disclosed in the embodiment of the utility model;

[0026] Fig.12 It is a three-dimensional schematic diagram of an integrated device in an online PCBA dust removal machine disclosed in an embodiment of the utility model;

[0027] Fig.13 It is a left front perspective schematic diagram of a transfer assembly in an online PCBA dust removal machine disclosed in an embodiment of the utility model;

[0028] Fig.14 It is a front bottom perspective schematic diagram of a transfer assembly in an online PCBA dust removal machine disclosed in an embodiment of the utility model;

[0029] Fig.15 The figure is a schematic diagram of parameter settings of an ion air gun in an online PCBA dust removal machine disclosed in an embodiment of the utility model.

[0030] Component number description

[0031] 1. First housing; 2. Second housing; 3. Dust box; 4. Dust outlet pipe; 5. First cover plate; 6. Fourth drive cylinder; 7. Second cover plate; 8. Fifth drive cylinder; 9. Third opening; 10. Mounting frame; 11. Fixture assembly; 1101. Support plate; 1102. Mounting slot; 1103. Fixture; 1104. Positioning pin; 1105. Clamp hole; 1106. First opening; 1107. Support bar; 1108. Stop block; 1109. Second opening; 12. First dust removal assembly; 1201. First drive Dynamic cylinder; 1202, ion air gun; 13, second dust removal component; 1301, second drive cylinder; 1302, third drive cylinder; 1303, anti-static brush; 1304, rotating wave nozzle; 14, PCB board to be dusted; 15, first mounting plate; 16, second mounting plate; 17, third mounting plate; 18, connecting plate; 19, all-in-one equipment; 20, transfer component; 2001, drive motor; 2002, belt; 2003, sixth drive cylinder; 21, anti-static suction cup; 22, spring rod. DETAILED DESCRIPTION

[0032] The following specific embodiments illustrate the implementation of the present invention, and those familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0033] See also Figures 1 to 15 The utility model provides an online PCBA dust removal machine, including a first housing 1 and a second housing 2 installed on the first housing 1. A fixture assembly 11 for placing a PCB board 14 to be dusted is provided in the first housing 1. The fixture assembly 11 is installed in the first housing 1 through a mounting frame 10. The fixture assembly 11 includes a support plate 1101 and a fixture 1103 installed on the support plate 1101 and replaceable according to the size of the PCB board 14 to be dusted. The support plate 1101 is installed on the mounting frame 10. The fixture 1103 is provided with a first passage The first opening 1106 is provided with a plurality of support members for supporting the PCB board 14 to be dusted and matching the size of the PCB board 14 to be dusted, wherein the support members include a plurality of support bars 1107 and upper limit blocks 1108 installed on the support bars 1107, and the support bars 1107 are evenly installed in the first opening 1106 in sequence along the width direction of the first opening 1106, and according to the different lengths and widths of the PCB board 14 to be dusted, the lengths of the support bars 1107 and the intervals between the support bars 1107 are also different.

[0034] In addition, the limit block 1108 is located in the middle of the support bar 1107. Generally speaking, one limit block 1108 can fix two PCB boards 14 to be dusted at the same time, so two PCB boards can be placed on one support bar 1107. The support plate 1101 is provided with a mounting groove 1102 for placing the fixture 1103. A plurality of locating pins 1104 are provided in the mounting groove 1102. The fixture 1103 is provided with a plurality of card holes 1105 corresponding to the locating pins 1104. The locating pins 1104 match the card holes 1105 and can be connected with the card holes 1105. A through opening 1106 is provided with a second through opening 1109, and the jig 1103 can be installed in the mounting groove 1102 on the support plate 1101 by engaging the positioning pin 1104 in the card hole 1105, so that the jig 1103 can be replaced according to the size of the PCB board 14 to be dusted. In addition, the utility model mainly targets the memory stick as the object to be dusted, and the specific structure of the jig 1103 is set corresponding to the shape of the memory stick, and the installation positions and specific structures of the first dust removal component 12 and the second dust removal component 13 described below are also set for dust removal of the memory stick.

[0035] exist Figure 8 and Fig. 9 In the embodiment, the first housing 1 is further provided with a first dust removal assembly 12 located above the fixture assembly 11 and a second dust removal assembly 13 located below the fixture assembly 11. The first dust removal assembly 12 includes two ion air guns 1202 and a first driving mechanism for driving the two ion air guns 1202 to perform staggered motions. The first driving mechanism includes a first driving cylinder 1201 installed on both side walls of the first housing 1 and located above the fixture 1103. The ion air guns 1202 are installed on the first driving cylinder 1201 through a first mounting plate 15. The two The ion air gun 1202 is located above the fixture 1103 and the two ion air guns 1202 are symmetrically installed on the two first driving cylinders 1201 along the center line of the fixture 1103. Among them, a sensor is also provided corresponding to the ion air gun 1202 in the first housing 1, and the ion air gun 1202 is independently air-intaked to avoid insufficient flow. The two ion air guns 1202 are driven by the two first driving cylinders 1201 to perform staggered motion, which can not only remove the dust on the front of the PCB board, but also avoid mutual interference of airflows, thereby achieving a better dust removal effect.

[0036] exist Fig.10 and Fig.11 In the figure, the second dust removal component 13 includes a brush component and a second driving mechanism for driving the brush component to perform reciprocating motion, the brush component includes an anti-static brush 1303 and a rotating wave nozzle 1304 located on the side of the anti-static brush 1303, wherein the number of the rotating wave nozzles 1304 is three, and the rotating wave nozzles 1304 and the wind knife can be freely replaced. According to different product requirements, some products have a small amount of dust and are in the form of linear mist, which can be replaced by a wind knife. There is also an explanation for the rotating wave nozzle 1304: if the fluid jet outlet made of soft polyurethane coming out of the inside of the cover rotates at a high speed, it will affect a large range of intermittent shock waves. Compared with the air pressing effect of the previous air gun, the air beating effect of Patagan can save air consumption and shorten the processing time; the air jet port of the nozzle tube inside the cover rotates at a high speed, and the intermittent shock waves will affect a large range through the rotation, which is more effective in removing water and dust than the previous air gun. By rotating the jet port of the nozzle tube, not only the flow rate remains unchanged, but also the processing time can be shortened, and air consumption is also saved.

[0037] The second driving mechanism includes a second driving cylinder 1301 installed on the inner wall of the first housing 1 for driving the brush assembly to move left and right, a third driving cylinder 1302 installed on the second driving cylinder 1301 through a second mounting plate 16 and used to drive the brush assembly to move up and down, the brush assembly is installed on the third driving cylinder 1302 through a third mounting plate 17, and the third driving cylinder 1302 is equipped with a third mounting plate 17. The anti-static brush 1303 is located below the first opening 1106 on the fixture 1103 and is detachably mounted on the third mounting plate 17. The rotating wave nozzle 1304 is located on the fixture 1103. It is installed on the third mounting plate 17 below the upper first opening 1106 through the connecting plate 18, and the anti-static brush 1303 and the rotating wave nozzle 1304 are driven by the second driving cylinder 1301 to move left and right, so that the dust on the back of the PCB board can be removed, so that the dust removal effect is better, and the anti-static brush 1303 and the rotating wave nozzle 1304 are driven by the third driving cylinder 1302 to move up and down, so that the height of the anti-static brush 1303 and the rotating wave nozzle 1304 can be adjusted. The purpose of adjusting the height of the anti-static brush 1303 and the rotating wave nozzle 1304 is to allow them to bypass certain products.

[0038] exist Figures 1 to 3 In the embodiment, a cover plate is provided on the top of the first housing 1, and the cover plate includes a first cover plate 5 driven by two fourth driving cylinders 6 and a second cover plate 7 driven by a fifth driving cylinder 8. The two fourth driving cylinders 6 are installed on both sides of the top of the first housing 1, and the fifth driving cylinder 8 is installed on the side of the first housing 1 away from the first cover plate 5. The first cover plate 5 and the second cover plate 7 are driven by the fourth driving cylinder 6 and the fifth driving cylinder 8 to move relative to each other, so that the dust collector can be closed, so that the noise during dust removal is small. The second cover plate 7 is provided with a third opening 9 for the transfer component 20 to pass through on the side facing the first cover plate 5. The end of the transfer component 20 is provided with an anti-static suction cup 21 for sucking and fixing the PCB board 14 to be dusted. The shape of the second housing 2 is a trapezoidal body. A dust collecting box 3 is installed at the bottom of the second housing 2, and a dust outlet pipe 4 is connected to the dust collecting box 3. The dust on the PCB board is collected in the dust collecting box 3 connected to the bottom end of the second housing 2, which can not only prevent the staff from contacting with the dust, but also prevent the dust from floating into the air to cause environmental pollution.

[0039] Specifically, the online PCBA dust removal machine in this embodiment is an integrated machine, which is assembled with the device for cutting PCB boards. For the integrated machine equipment, please refer to Fig.12The overall device is provided with a PLC controller, which is electrically connected to the first drive cylinder 1201 to the fifth drive cylinder 8, the ion air gun 1202, the rotating wave nozzle 1304 and the sensor through wires. In addition, for the transfer component 20, when the PCB board is dusted, the PCB board 14 to be dusted is fixed on the support by the anti-static suction cup 21 on the transfer component 20. The transfer component 20 includes a third driving mechanism for driving the anti-static suction cup 21 to move left and right and a third driving mechanism for driving the anti-static suction cup 21 to move up and down. The third driving mechanism includes a driving motor 2001, and the driving motor 2001 drives the belt 2002 to rotate, so that the anti-static suction cup 21 can move left and right. The fourth driving mechanism includes a sixth driving cylinder 2003, and the sixth driving cylinder 2003 can move the anti-static suction cup 21 up and down, and the sixth driving cylinder 2003 is also provided with a vacuum generator connected to the anti-static suction cup 21 through an air pipe, wherein the anti-static suction cup 21 is installed on the sixth driving cylinder 2003 through a spring rod 22, and the spring rod 22 is designed to prevent the PCB board from being over-pressurized. For details, please refer to Fig.13 and Fig.14 .

[0040] More specifically, when the online PCBA dust remover is used, the PCB board 14 to be dusted is first adsorbed by the anti-static suction cup 21 on the transfer component 20, and then the PCB board 14 to be dusted is placed on the support on the fixture 1103 through the transfer component 20, and then the first cover plate 5 and the second cover plate 7 can be moved relative to each other under the action of the fourth drive cylinder 6 and the fifth drive cylinder 8, so that the dust removal box is in a closed state, and the PLC controller controls the first drive cylinder 1201 and the second drive cylinder 1301 to start working, and the two first drive cylinders 1201 drive the two ion air guns 1202 to do staggered movement, so that the dust on the front of the PCB board can be removed, and the ion air guns 1202 are equipped with Signal feedback, if the electrode needle is contaminated or faulty, it will be fed back to the PLC controller for alarm, and the second driving cylinder 1301 will drive the anti-static brush 1303 and the rotating wave nozzle 1304 to move left and right, so as to remove the dust on the back of the PCB board. After the dust removal is completed, the PCB board that has completed the dust removal is taken out of the dust removal box through the transfer component 20, and the dust on the PCB board is collected in the dust collecting box 3 connected to the bottom end of the second housing 2. When dust removal is performed, for different types of layer boards, the ion gas blowing pressure and the number of gas blowing cycles can be set manually, and the corresponding gas blowing pressure can be adjusted by 0.1MPA-0.6MPA, and the gas blowing stroke speed can also be adjusted. For details, please refer to Fig.15 .

[0041] The utility model drives two ion air guns 1202 to make staggered movements through two first driving cylinders 1201, so that dust on the front side of the PCB board can be removed; the anti-static brush 1303 and the rotating wave nozzle 1304 are driven to move left and right through the second driving cylinder 1301, so that dust on the back side of the PCB board can be removed, so that the dust removal effect is better; the anti-static brush 1303 and the rotating wave nozzle 1304 are driven to move up and down through the third driving cylinder 1302, so that the height of the anti-static brush 1303 and the rotating wave nozzle 1304 can be adjusted; the first cover plate 5 and the second cover plate 7 are driven to move relatively through the fourth driving cylinder 6 and the fifth driving cylinder 8, so that the dust collector can be closed, so that the noise during dust removal is smaller. Therefore, the utility model not only has a better dust removal effect, but also saves labor costs and reduces noise pollution.

[0042] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. All equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. An online PCBA dust removal machine, comprising a first housing (1) and a second housing (2) mounted on the first housing (1), characterized in that: A jig assembly (11) for placing a PCB board (14) to be dusted is provided in the first housing (1), the jig assembly (11) comprising a support plate (1101) and a jig (1103) mounted on the support plate (1101) and replaceable according to the size of the PCB board (14) to be dusted; The first housing (1) is further provided with a first dust removal assembly (12) located above the jig assembly (11) and a second dust removal assembly (13) located below the jig assembly (11); the first dust removal assembly (12) comprises two ion air guns (1202) and a first driving mechanism for driving the two ion air guns (1202) to perform staggered motion; the second dust removal assembly (13) comprises a brush assembly and a second driving mechanism for driving the brush assembly to perform reciprocating motion; the brush assembly comprises an anti-static brush (1303) and a rotating wave nozzle (1304) located on the side of the anti-static brush (1303).

2. The online PCBA dust removal machine according to claim 1, characterized in that: The jig assembly (11) is installed in the first housing (1) via a mounting frame (10); the support plate (1101) is installed on the mounting frame (10); a first opening (1106) is provided on the jig (1103); the first opening (1106) is provided with a plurality of support members for supporting the PCB board (14) to be dusted and matching the size of the PCB board (14) to be dusted.

3. The online PCBA dust removal machine according to claim 2, characterized in that: The support plate (1101) is provided with a mounting groove (1102) for placing a jig (1103), a plurality of positioning pins (1104) are provided in the mounting groove (1102), a plurality of clamping holes (1105) are provided on the jig (1103) corresponding to the positioning pins (1104), the positioning pins (1104) match the clamping holes (1105) and can be clamped with the clamping holes (1105), and a second opening (1109) is provided in the mounting groove (1102) corresponding to the first opening (1106).

4. The online PCBA dust removal machine according to claim 1, characterized in that: The first driving mechanism comprises a first driving cylinder (1201) mounted on the inner side walls of the first housing (1) and located above the fixture (1103); the ion air gun (1202) is mounted on the first driving cylinder (1201) via a first mounting plate (15); the two ion air guns (1202) are located above the fixture (1103) and the two ion air guns (1202) are symmetrically mounted on the two first driving cylinders (1201) along the center line of the fixture (1103).

5. The online PCBA dust removal machine according to claim 2, characterized in that: The second driving mechanism comprises a second driving cylinder (1301) mounted on the inner wall of the first housing (1) and used for driving the brush assembly to move left and right, and a third driving cylinder (1302) mounted on the second driving cylinder (1301) via a second mounting plate (16) and used for driving the brush assembly to move up and down, and the brush assembly is mounted on the third driving cylinder (1302) via a third mounting plate (17).

6. The online PCBA dust removal machine according to claim 5, characterized in that: A third mounting plate (17) is mounted on the third driving cylinder (1302); the antistatic brush (1303) is located below the first opening (1106) on the jig (1103) and is detachably mounted on the third mounting plate (17); the rotating wave nozzle (1304) is located below the first opening (1106) on the jig (1103) and is mounted on the third mounting plate (17) via a connecting plate (18).

7. The online PCBA dust removal machine according to claim 1, characterized in that: A cover plate is provided on the top of the first housing (1), and the cover plate comprises a first cover plate (5) driven by two fourth drive cylinders (6) and a second cover plate (7) driven by a fifth drive cylinder (8), the two fourth drive cylinders (6) being mounted on both sides of the top of the first housing (1), the fifth drive cylinder (8) being mounted on the side of the first housing (1) away from the first cover plate (5), and a third opening (9) for the transfer assembly (20) to pass through is provided on the side of the second cover plate (7) facing the first cover plate (5).

8. The online PCBA dust removal machine according to claim 7, characterized in that: An antistatic suction cup (21) for sucking and fixing the PCB board (14) to be dusted is provided at the end of the transfer assembly (20); the second housing (2) is in the shape of a trapezoid; a dust collecting box (3) is installed at the bottom of the second housing (2); and a dust outlet pipe (4) is connected to the dust collecting box (3).

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