CN211297182U - PCB welding-proof back-washing ultrasonic cleaning device - Google Patents
PCB welding-proof back-washing ultrasonic cleaning device Download PDFInfo
- Publication number
- CN211297182U CN211297182U CN202020141990.1U CN202020141990U CN211297182U CN 211297182 U CN211297182 U CN 211297182U CN 202020141990 U CN202020141990 U CN 202020141990U CN 211297182 U CN211297182 U CN 211297182U
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- Prior art keywords
- washing
- washing tank
- pcb
- filtering
- cleaning device
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- Expired - Fee Related
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- 238000004506 ultrasonic cleaning Methods 0.000 title claims abstract description 16
- 238000011001 backwashing Methods 0.000 title claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 61
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000005485 electric heating Methods 0.000 claims description 13
- 229910000679 solder Inorganic materials 0.000 claims description 9
- 238000000137 annealing Methods 0.000 claims 1
- 239000003814 drug Substances 0.000 abstract description 21
- 239000007788 liquid Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009990 desizing Methods 0.000 description 15
- KKQWHYGECTYFIA-UHFFFAOYSA-N 2,5-dichlorobiphenyl Chemical compound ClC1=CC=C(Cl)C(C=2C=CC=CC=2)=C1 KKQWHYGECTYFIA-UHFFFAOYSA-N 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model relates to a printed circuit board equipment technical field, concretely relates to PCB prevents welding back washing ultrasonic cleaning device, including washing tank and the supersonic generator of setting in the washing tank below, the washing tank bottom is provided with the stirring subassembly, the PCB circuit board has been placed on the stirring subassembly, and the inner wall side of washing tank is provided with heating element and filtering component respectively, and the top of washing tank is provided with inlet tube, bottom and is provided with the blow off pipe, and the washing tank side is provided with the control box, the control box is connected with supersonic generator, stirring subassembly, heating element and filtering component, and the washing tank below still is provided with the support. The utility model provides a carry out PCB ultrasonic wave among the prior art and move back when washing, move back the printing ink filth that washes down etc. and float in moving back washing liquid medicine, can lead to the consent to block up once more, influence moves back the problem of washing the effect, simple structure, convenient to use.
Description
Technical Field
The utility model relates to a printed circuit board equipment technical field, concretely relates to PCB prevents welding back washing ultrasonic cleaning device.
Background
PCB can unavoidable in process of production can produce the defective products, need prevent moving back to wash the doing over again to PCB, turn over and wash away the printing ink on the PCB face and make again, if move back can not wash on the PCB hole-plugging printing ink clean, can produce during the re-manufacture plug hole limit printing ink attenuation and hole limit reddens, and PCB production is not allowed to have the hole limit to redden the phenomenon.
The hole that requires to carry out printing ink consent among the prior art PCB board is generally 0.25-0.6 mm's hole, and the principal ingredients of consent special-purpose printing ink is the resin, when hindering the welding and wasing, generally can adopt the ultrasonic wave to carry out the supplementary washing, puts into the washing tank with PCB, is provided with the special use of certain temperature in the washing tank and moves back washing liquid medicine, moves back washing liquid medicine and printing ink and takes place the reaction, and the ultrasonic wave strikes PCB surface and the less printing ink in the consent simultaneously, takes out printing ink, moves back and washes cleaner.
However, when PCB ultrasonic wave is retreated and washed in the prior art, the PCB needs to be put into the washing tank to be soaked for a period of time, and in the soaking process, the ink dirt retreated and washed floats in the retreating and washing liquid medicine, so that the plug holes are blocked again, the ink of the plug holes is not cleaned completely, and the retreating and washing effect is influenced.
Disclosure of Invention
When moving back and washing in order to solve among the prior art carrying out the PCB ultrasonic wave, move back the printing ink spot that washes down and float in moving back washing liquid medicine, lead to the consent printing ink to block up once more, the influence moves back the problem of washing the effect, the utility model provides a PCB solder mask moves back and washes ultrasonic cleaning device.
The utility model provides a PCB prevents welding and moves back ultrasonic cleaning device that washes, includes the washing tank and sets up the supersonic generator in the washing tank below, the washing tank bottom is provided with the stirring subassembly, the PCB circuit board has been placed on the stirring subassembly, and the inner wall side of washing tank is provided with heating element and filtering component respectively, and the top of washing tank is provided with the inlet tube, the bottom is provided with the blow off pipe, and the washing tank side is provided with the control box, the control box is connected with supersonic generator, stirring subassembly, heating element and filtering component, and the washing tank below still is provided with the support.
Further, the washing tank is cylindrical, the heating assembly and the filtering assembly are arranged on the inner wall of the washing tank at intervals, the heating assembly comprises an electric heating pipe and a temperature sensor, and the electric heating pipe and the temperature sensor are both connected with the control box.
Further, the stirring subassembly includes gear motor, gear motor's output passes the center of purge tank bottom and is connected with the axis of rotation, axis of rotation bottom outside cover is equipped with the rolling disc, and circumference evenly is provided with a plurality of vertical first draw-in grooves in the axis of rotation, is provided with the second draw-in groove that corresponds with first draw-in groove on the rolling disc, the common chucking of first draw-in groove and second draw-in groove PCB circuit board.
Further, filtering component includes filter frame and filter screen, filter frame is the rectangle frame of vertical setting, the filter screen sets up on filter frame, and filter frame's upper and lower both ends all are provided with the card post of "L" shape, the vertical section card of card post is established on the washing tank inner wall, the horizontal segment is connected with filter frame.
Further, the length of the filter screen is smaller than the distance between the vertical edge of the PCB and the filter frame.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model comprises a stirring component arranged at the bottom of the cleaning tank, which can stir the PCB circuit board in the cleaning tank, thus improving the back washing effect; the side surface of the inner wall of the cleaning tank is provided with a heating component and a filtering component, the heating component is convenient for controlling the temperature of the desizing and washing liquid medicine, and the filtering component can filter and collect ink dirt floating in the desizing and washing liquid medicine to prevent the plug hole from being blocked again; the top of the cleaning tank is provided with a water inlet pipe, and the bottom of the cleaning tank is provided with a drain pipe, so that water can be conveniently fed and drained; the heating assembly and the filtering assembly are arranged on the inner wall of the cleaning tank at intervals, so that the desizing liquid medicine can be uniformly heated and fully filtered; the heating assembly comprises an electric heating pipe and a temperature sensor, and the electric heating pipe and the temperature sensor are both connected with the control box, so that the temperature of the desizing and washing liquid medicine can be conveniently controlled.
The stirring assembly comprises a rotating shaft and a rotating disc, a first clamping groove and a second clamping groove are respectively formed in the rotating shaft and the rotating disc, and the PCB is clamped by the first clamping groove and the second clamping groove together, so that the PCB is driven to rotate conveniently and is in full contact with the washing-back liquid medicine, and the washing-back efficiency is improved; the filter assembly comprises a filter frame and a filter screen, the filter frame is connected with the inner wall of the cleaning tank through an L-shaped clamping column, when the stirring assembly stirs, the filter frame is driven to rotate along the vertical section of the clamping column by the rotation of the washing liquid medicine, the floating ink dirt can move towards the inner wall close to the cleaning tank under the action of centrifugal force and finally enters the filter screen to be collected, and the ink dirt is prevented from entering the plug hole again; the length of filter screen is less than the distance between the vertical limit of PCB circuit board and the filter frame, avoids filter screen and PCB circuit board to bump.
Drawings
Fig. 1 is a schematic structural diagram of the ultrasonic cleaning device for solder reflow and cleaning prevention of PCB of the present invention.
Fig. 2 is a schematic structural diagram of the ultrasonic cleaning device for solder reflow and cleaning prevention of PCB of the present invention.
Fig. 3 is a schematic structural diagram of the rotation axis of the ultrasonic cleaning device for solder reflow and cleaning prevention of PCB.
Fig. 4 is a schematic structural diagram of a rotating disc of the ultrasonic cleaning device for solder resist back washing of the PCB.
The reference numbers are: 1 is the washing tank, 2 is supersonic generator, 3 is the stirring subassembly, 4 is heating element, 5 is filtering component, 6 is the inlet tube, 7 is the blow off pipe, 8 is the control box, 9 is the PCB circuit board, 10 is the support, 301 is gear motor, 302 is the axis of rotation, 303 is the rolling disc, 3021 is first draw-in groove, 3031 is the second draw-in groove, 401 is electric heating pipe, 402 is temperature sensor, 501 is the filter frame, 502 is the filter screen, 503 is the card post.
Detailed Description
The invention will be further explained with reference to the following figures and specific examples:
as shown in fig. 1-4, an ultrasonic cleaning device is washed back in PCB solder resist welding, including cylindrical washing tank 1 and ultrasonic generator 2 of setting in washing tank 1 below, washing tank 1 bottom is provided with stirring subassembly 3, stirring subassembly 3 includes gear motor 301, gear motor 301's output passes the center of washing tank 1 bottom and is connected with axis of rotation 302, axis of rotation 302 bottom outside cover is equipped with rolling disc 303, and axis of rotation 302 drives rolling disc 303 synchronous rotation, and the last circumference of axis of rotation 302 evenly is provided with a plurality of vertical first draw-in grooves 3021, is provided with the second draw-in groove 3031 that corresponds with first draw-in groove 3021 on the rolling disc 303, and the common chucking PCB circuit board 9 of first draw-in groove 3021 and second draw-in groove 3031 specifically, all is provided with anti-corrosion rubber in first draw-in groove 3021 and the second draw-in groove 303, the chucking PCB circuit.
The inner wall side interval of washing tank 1 is provided with heating element 4 and filtering component 5, specifically, heating element 4 and filtering component 5 in this embodiment are 2, heating element 4 includes electric heating pipe 401 and temperature sensor 402, and electric heating pipe 401 and temperature sensor 402 all are connected to control box 8, filtering component 5 is including filtering frame 501 and filter screen 502, filter frame 501 is the rectangle frame of vertical setting, filter screen 502 sets up on filtering frame 501, and the length of filter screen 502 is less than the distance between the vertical limit of PCB circuit board 9 and the filtering frame 501, the upper and lower both ends of filtering frame 501 all are provided with the card post 503 of "L" shape, the vertical section card of card post 503 is established on washing tank 1 inner wall, the horizontal segment is connected with filtering frame 501.
The top of washing tank 1 is provided with inlet tube 6, the bottom is provided with blow off pipe 7, and washing tank 1 side still is provided with control box 8, is provided with the PLC module in the control box 8, supersonic generator 2, stirring subassembly 3 and filter assembly 5 all are through the PLC module control in the control box 8, and washing tank 1 below still is provided with annular support 10 of circle.
When the utility model is used, a worker puts the PCB 9 into the cleaning tank 1 for back cleaning, specifically, the worker clamps the PCB 9 on the rotating shaft 302 and the rotating disc 303 through the first clamping groove 3021 and the second clamping groove 3031, and then installs the rotating shaft 302 on the output shaft of the speed reducing motor 301; then, a worker adds a proper amount of desizing and washing liquid medicine into the washing tank 1 through the water inlet pipe 6, a switch of the electric heating pipe 401 is turned on, the electric heating pipe 401 heats the desizing and washing liquid medicine, the temperature sensor 402 sends a signal to the control box 8 after the desizing and washing liquid medicine reaches a preset temperature, the electric heating pipe 401 is controlled to stop heating, when the temperature of the desizing and washing liquid medicine is lower, the temperature sensor 402 can send a signal to the control box 8 to control the electric heating pipe 401 to continue heating, the desizing and washing liquid medicine is ensured to be in a proper temperature range, and the desizing and washing quality is ensured.
The switch of the speed reducing motor 301 and the ultrasonic generator 2 is turned on in the heating process, the output shaft of the speed reducing motor 301 rotates to drive the rotating shaft 302 and the rotating disc 303 to rotate, so as to drive the PCB 9 to rotate, the PCB 9 is fully contacted with the desizing and washing liquid medicine, the ultrasonic generator 2 works in the rotating process to drive the micro-bubble in the desizing and washing liquid medicine to vibrate, so that the ink dirt is cleaned from the PCB 9, the desizing and washing liquid medicine rotates along with the PCB 9 in the rotating process, the cleaned ink dirt is close to the inner wall of the cleaning tank 1 under the action of centrifugal force, meanwhile, the rotation of the desizing and washing liquid medicine can drive the filter frame 501 to rotate along the vertical section of the clamping column 503, the filter frame 501 faces the rotating direction of the desizing and washing liquid medicine, the floated ink dirt finally enters the filter screen 502 to be collected, and the ink dirt is prevented from entering the, after cleaning for a certain time, the device is turned off, the rotating shaft 302 and the rotating disc 303 are taken out from the cleaning tank 1, and the PCB circuit board 9 is taken down from the first clamping groove 3021 and the second clamping groove 3031, so that cleaning is completed.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (5)
1. The utility model provides a PCB prevents welding and moves back ultrasonic cleaning device that washes, includes washing tank (1) and supersonic generator (2) of setting in washing tank (1) below, its characterized in that, washing tank (1) bottom is provided with stirring subassembly (3), PCB circuit board (9) have been placed on stirring subassembly (3), and the inner wall side of washing tank (1) is provided with heating element (4) and filtering component (5) respectively, and the top of washing tank (1) is provided with inlet tube (6), the bottom is provided with blow off pipe (7), and washing tank (1) side is provided with control box (8), control box (8) are connected with supersonic generator (2), stirring subassembly (3), heating element (4) and filtering component (5), and washing tank (1) below still is provided with support (10).
2. The ultrasonic cleaning device for the PCB solder mask annealing and washing in claim 1, wherein the cleaning tank (1) is cylindrical, the heating assembly (4) and the filtering assembly (5) are arranged on the inner wall of the cleaning tank (1) at intervals, the heating assembly (4) comprises an electric heating tube (401) and a temperature sensor (402), and the electric heating tube (401) and the temperature sensor (402) are connected with the control box (8).
3. The ultrasonic cleaning device for the PCB solder-reflow-prevention back-washing as claimed in claim 1, wherein the stirring assembly (3) comprises a speed reduction motor (301), the output end of the speed reduction motor (301) passes through the center of the bottom of the cleaning tank (1) and is connected with a rotating shaft (302), a rotating disc (303) is sleeved on the outer side of the bottom of the rotating shaft (302), a plurality of vertical first clamping grooves (3021) are uniformly arranged on the rotating shaft (302) in the circumferential direction, a second clamping groove (3031) corresponding to the first clamping groove (3021) is arranged on the rotating disc (303), and the PCB (9) is clamped by the first clamping groove (3021) and the second clamping groove (3031) together.
4. The PCB solder mask back washing ultrasonic cleaning device of claim 1, wherein the filtering component (5) comprises a filtering frame (501) and a filtering net (502), the filtering frame (501) is a vertically arranged rectangular frame, the filtering net (502) is arranged on the filtering frame (501), L-shaped clamping columns (503) are arranged at the upper end and the lower end of the filtering frame (501), the vertical sections of the clamping columns (503) are clamped on the inner wall of the cleaning tank (1), and the horizontal sections of the clamping columns are connected with the filtering frame (501).
5. The PCB solder mask back washing ultrasonic cleaning device of claim 4, wherein the length of the filter screen (502) is smaller than the distance between the vertical edge of the PCB circuit board (9) and the filter frame (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020141990.1U CN211297182U (en) | 2020-01-22 | 2020-01-22 | PCB welding-proof back-washing ultrasonic cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020141990.1U CN211297182U (en) | 2020-01-22 | 2020-01-22 | PCB welding-proof back-washing ultrasonic cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211297182U true CN211297182U (en) | 2020-08-18 |
Family
ID=72022762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020141990.1U Expired - Fee Related CN211297182U (en) | 2020-01-22 | 2020-01-22 | PCB welding-proof back-washing ultrasonic cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211297182U (en) |
-
2020
- 2020-01-22 CN CN202020141990.1U patent/CN211297182U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An ultrasonic cleaning device for PCB anti welding and back washing Effective date of registration: 20220518 Granted publication date: 20200818 Pledgee: Bank of China Limited by Share Ltd. Zhecheng branch Pledgor: HENAN HAILE ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980005778 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200818 Pledgee: Bank of China Limited by Share Ltd. Zhecheng branch Pledgor: HENAN HAILE ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980005778 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |