CN114130745A - Automatic maintenance method for horizontal line of circuit board - Google Patents

Automatic maintenance method for horizontal line of circuit board Download PDF

Info

Publication number
CN114130745A
CN114130745A CN202111475012.6A CN202111475012A CN114130745A CN 114130745 A CN114130745 A CN 114130745A CN 202111475012 A CN202111475012 A CN 202111475012A CN 114130745 A CN114130745 A CN 114130745A
Authority
CN
China
Prior art keywords
horizontal line
pipe
circuit board
spray
automatic maintenance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111475012.6A
Other languages
Chinese (zh)
Inventor
宋波
冯凌宇
姚纯辉
易磊
冼锦羲
周才渊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Xizhen Circuit Technology Co ltd
Original Assignee
Guangdong Xizhen Circuit Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Xizhen Circuit Technology Co ltd filed Critical Guangdong Xizhen Circuit Technology Co ltd
Priority to CN202111475012.6A priority Critical patent/CN114130745A/en
Publication of CN114130745A publication Critical patent/CN114130745A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration

Landscapes

  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention provides an automatic maintenance method for a horizontal line of a circuit board, which comprises a maintenance device, wherein the maintenance device comprises a horizontal line and comprises liquid conveying pipes, the upper end and the lower end of the horizontal line are symmetrically provided with spray pipes, the liquid conveying pipes are respectively connected with the spray pipes, the spray pipes are connected with spray heads, and the spray heads face the horizontal line; a water replenishing and cleaning pipe is arranged at one side of the infusion pipe, and a water replenishing bypass pipe is arranged at one side of the water replenishing and cleaning pipe; the filter also comprises a liquid return pipe, and the liquid return pipe is connected with a filter assembly; and a cylinder bottom spray pipe is arranged below the horizontal line. The equipment can realize full-automatic maintenance through the program formulated by the prior art, does not need manual washing and brushing of the inside of the equipment, greatly shortens the maintenance time, effectively solves the problem of high labor intensity of personnel, and simultaneously improves the utilization rate of the equipment.

Description

Automatic maintenance method for horizontal line of circuit board
Technical Field
The invention belongs to the technical field of PCBs, and particularly relates to an automatic maintenance method for a horizontal line of a circuit board.
Background
In the printed circuit board industry, a plurality of horizontal lines are used, and the horizontal lines refer to equipment for completing specific chemical reaction on a circuit board through participation of liquid medicine and clear water.
The general process flow of the horizontal line processing circuit board is as follows: the method comprises the following steps of washing water → medicinal water tanks (completing specific chemical reactions on a circuit board) → washing water → connecting different medicinal water tanks in series according to different processes to complete a series of chemical reactions → a drying section.
Horizontal line production facilities require 1 hour of small maintenance every day and 5 hours of large maintenance every week. The cleaning device is mainly used for cleaning the blockage problem of the spray head of the line body, the impurity problem in the groove body and the dirty problem of the roller. The common practice in the industry is to use a water gun for washing and manually brushing for horizontal line maintenance, the labor intensity is high, people need to contact various toxic, harmful and corrosive liquid medicines, the working environment for maintenance is poor, and the equipment yield is influenced by long time consumed for maintenance.
Disclosure of Invention
In view of the above, the present invention provides an automatic maintenance method for a horizontal line of a circuit board.
The technical scheme of the invention is as follows:
a circuit board horizontal line automatic maintenance method is characterized by comprising a maintenance device, and comprises the following steps:
s1, after the circuit board is produced, starting a one-key program to enter an automatic maintenance program, and starting the circuit board after the circuit board passes a horizontal line;
s2, a PLC (central control module) controls a pneumatic valve to make a developing spray pump extract tank liquid, including but not limited to flushing the cylinder bottom by a spray pipe on the cylinder side and the bottom and at the dead angle under the liquid level, stirring up liquid medicine sediment, and controlling to discharge waste liquid;
s3, controlling the pneumatic valve through a PLC program to enable the booster pump to pump clear water, carrying out high-pressure cleaning on the spray pipe and the spray head by the clear water, removing liquid medicine in the spray plate frame and opening foreign matters blocking the spray nozzle to prevent the spray nozzle from being blocked, and setting the time to be an open type according to requirements;
s4, starting a booster pump, closing a pneumatic valve of a spray pipe at the bottom of the cylinder, flushing the liquid medicine tank with clear water by utilizing upper and lower spray heads, and setting the time to be open according to requirements;
s5, starting a booster pump, closing pneumatic valves of branch liquid conveying pipes of the upper and lower swing frames, opening a pneumatic valve of a cylinder bottom nozzle, flushing the cylinder bottom with clean water again by using the cylinder bottom nozzle, and simultaneously discharging waste water, wherein the time is set to be open and set according to requirements;
s6, calling manual confirmation after maintenance is finished;
s7, confirming that the maintenance is finished, automatically extracting the prepared tank liquor, and entering a working state;
s8, controlling a pneumatic valve through a PLC program after the last plate in the material waiting for shutdown passes through the horizontal line, so that liquid medicine in a booster pump extraction groove body in normal production is switched to be clear water in an extraction water supplementing bypass pipe, the liquid medicine in a pipeline system from the booster pump to a tail end nozzle is discharged, the pipeline system is prevented from being blocked due to the fact that the liquid medicine stops flowing and crystallizing, time is set to be open, and the time is set according to requirements.
Step S7 is carried out by adopting the prior art equipment, preparing corresponding bath solution by using concentrated bath solution in the pipeline and clear water through an auxiliary bath, heating to working temperature, and waiting for extraction of a corresponding liquid medicine tank.
Furthermore, the maintenance device comprises a horizontal line and an infusion tube, wherein the upper end and the lower end of the horizontal line are symmetrically provided with spray pipes, the infusion tube is respectively connected with the spray pipes, the spray pipes are connected with spray heads, and the spray heads face the horizontal line; a water replenishing and cleaning pipe is arranged at one side of the infusion pipe, and a water replenishing bypass pipe is arranged at one side of the water replenishing and cleaning pipe; the filter also comprises a liquid return pipe, and the liquid return pipe is connected with a filter assembly; and a cylinder bottom spray pipe is arranged below the horizontal line.
In the invention, a group of water replenishing bypass pipes controlled by pneumatic valves are added to the booster pump, and matched nozzles (cylinder bottom spray pipes) of the flushing spray pipes are added to the side walls and the spraying blind areas at the cylinder bottom and under the liquid level, so that the cleaning effect can be ensured.
Furthermore, the device also comprises a booster pump which is respectively connected with the infusion tube and the liquid return tube.
Furthermore, a float valve is arranged at the water outlet of the clean water replenishing pipe, and the liquid level height is tested.
Furthermore, the device also comprises a swing frame, wherein the swing frame is symmetrically arranged at the upper end and the lower end of the horizontal line, and the spray pipe is arranged on the swing frame.
Furthermore, the bottom of the maintenance device is connected with a drain pipe.
Furthermore, a drainage pneumatic valve is arranged at the joint of the maintenance device and the drainage pipe.
Furthermore, the infusion tube, the liquid return tube, the clear water replenishing tube, the water replenishing bypass tube and the cylinder bottom spray tube are all provided with pneumatic valves.
Furthermore, the filtering component comprises a filter and a precision filter which are connected in sequence.
Further, the precision filter comprises at least one of the following filter components: microfiltration component, fine filtration component, ceramic membrane component, tubular membrane component, PVDF membrane component and MBR membrane component.
In the invention, the filter and the precision filter are matched for use, so that fine impurities and foreign matters can be effectively filtered, and the probability of blocking the spray head is reduced.
Furthermore, the system also comprises a central control module which is respectively connected with the booster pump, the pneumatic valve and the drainage pneumatic valve.
In the invention, pneumatic valves are additionally arranged on each pipeline, automatic control is realized through PLC programming in the prior art, and automatic cleaning and maintenance can be realized.
In particular, the present invention relates to technical features of software and circuit programs, and the implementation of functions thereof belongs to the prior art, and the essence of the technical solution of the present application is to improve the composition and connection relationship of hardware parts, and does not relate to the improvement of the software program or the circuit structure itself.
The invention has the beneficial effects that:
the equipment can realize full-automatic maintenance through the program formulated by the prior art, does not need manual washing and brushing of the inside of the equipment, greatly shortens the maintenance time, effectively solves the problem of high labor intensity of personnel, and simultaneously improves the utilization rate of the equipment.
Drawings
Fig. 1 is a schematic structural view of a maintenance device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A circuit board horizontal line automatic maintenance method comprises a maintenance device, and comprises the following steps:
s1, after the circuit board is produced, starting a one-key program to enter an automatic maintenance program, and starting the circuit board after the circuit board passes a horizontal line;
s2, a PLC (central control module) controls a pneumatic valve to make a developing spray pump extract tank liquid, including but not limited to flushing the cylinder bottom by a spray pipe on the cylinder side and the bottom and at the dead angle under the liquid level, stirring up liquid medicine sediment, and controlling to discharge waste liquid;
s3, controlling the pneumatic valve through a PLC program to enable the booster pump to pump clear water, carrying out high-pressure cleaning on the spray pipe and the spray head by the clear water, removing liquid medicine in the spray plate frame and opening foreign matters blocking the spray nozzle to prevent the spray nozzle from being blocked, and setting the time to be an open type according to requirements;
s4, starting a booster pump, closing a pneumatic valve of a spray pipe at the bottom of the cylinder, flushing the liquid medicine tank with clear water by utilizing upper and lower spray heads, and setting the time to be open according to requirements;
s5, starting a booster pump, closing pneumatic valves of branch liquid conveying pipes of the upper and lower swing frames, opening a pneumatic valve of a cylinder bottom nozzle, flushing the cylinder bottom with clean water again by using the cylinder bottom nozzle, and simultaneously discharging waste water, wherein the time is set to be open and set according to requirements;
s6, calling manual confirmation after maintenance is finished;
s7, confirming that the maintenance is finished, automatically extracting the prepared tank liquor, and entering a working state;
s8, controlling a pneumatic valve through a PLC program after the last plate in the material waiting for shutdown passes through the horizontal line, so that liquid medicine in a booster pump extraction groove body in normal production is switched to be clear water in an extraction water supplementing bypass pipe, the liquid medicine in a pipeline system from the booster pump to a tail end nozzle is discharged, the pipeline system is prevented from being blocked due to the fact that the liquid medicine stops flowing and crystallizing, time is set to be open, and the time is set according to requirements.
The maintenance device comprises a horizontal line 10 and an infusion tube 1, wherein the upper end and the lower end of the horizontal line are symmetrically provided with spray pipes 2, the infusion tubes are respectively connected with the spray pipes, the spray pipes are connected with spray heads 21, and the spray heads face the horizontal line; a water replenishing and cleaning pipe 3 is arranged at one side of the infusion pipe, and a water replenishing bypass pipe 4 is arranged at one side of the water replenishing and cleaning pipe; the device also comprises a liquid return pipe 5 which is connected with a filtering component 6; a cylinder bottom spray pipe 7 is arranged below the horizontal line.
In the invention, a group of water replenishing bypass pipes controlled by pneumatic valves are added to the booster pump, and matched nozzles (cylinder bottom spray pipes) of the flushing spray pipes are added to the side walls and the spraying blind areas at the cylinder bottom and under the liquid level, so that the cleaning effect can be ensured.
Further, the device also comprises a booster pump 8 which is respectively connected with the infusion tube and the liquid return tube.
Further, a float valve 31 is arranged at a water outlet of the clean water replenishing pipe, and the liquid level height is tested.
Further, the device also comprises a swing frame 22, the swing frame is symmetrically arranged at the upper end and the lower end of the horizontal line, and the spray pipe is arranged on the swing frame.
Further, a drain pipe 9 is connected to the bottom of the maintenance device.
Further, a drain pneumatic valve 91 is arranged at the joint of the maintenance device and the drain pipe.
Further, the infusion tube, the liquid return tube, the clear water replenishing tube, the water replenishing bypass tube and the cylinder bottom nozzle are all provided with pneumatic valves 81.
Further, the filter assembly comprises a filter 61 and a precision filter 62 which are connected in sequence.
In the invention, the filter and the precision filter are matched for use, so that fine impurities and foreign matters can be effectively filtered, and the probability of blocking the spray head is reduced.
Further, the system also comprises a central control module (not labeled), and the central control module is respectively connected with the booster pump, the pneumatic valve and the drainage pneumatic valve.
Example 2
This embodiment provides a maintenance device having the same structure as that of embodiment 1, except that, further, the precision filter includes a combination of the following filter assemblies: ceramic membrane module, MBR membrane module.
Example 3
This embodiment provides a maintenance device having the same structure as that of embodiment 1, except that, further, the precision filter includes a combination of the following filter assemblies: fine filter assembly, tubular membrane assembly.
Example 4
This embodiment provides a maintenance device having the same structure as that of embodiment 1, except that, further, the precision filter includes a combination of the following filter assemblies: microfiltration component, ceramic membrane component, PVDF membrane component.
Example 5
This embodiment provides a maintenance device having the same structure as that of embodiment 1, except that, further, the precision filter includes a combination of the following filter assemblies: ceramic membrane module, tubular membrane module, MBR membrane module.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.

Claims (10)

1. A circuit board horizontal line automatic maintenance method is characterized by comprising a maintenance device, and comprises the following steps:
s1, after the circuit board is produced, starting a one-key program to enter an automatic maintenance program, and starting the circuit board after the circuit board passes a horizontal line;
s2, the central control module controls the pneumatic valve to make the developing spray pump extract the tank liquor, wash the bottom of the cylinder, stir up the liquid medicine sediment and control the discharge of the waste liquor;
s3, controlling the pneumatic valve through the central control module to enable the booster pump to pump clear water, and performing high-pressure cleaning on the spray pipe and the spray head by the clear water;
s4, starting a booster pump, closing a pneumatic valve of a spray pipe at the bottom of the cylinder, and washing the liquid medicine tank by using clear water by using an upper spray head and a lower spray head;
s5, starting a booster pump, closing pneumatic valves of branch liquid conveying pipes of the upper and lower swing frames, opening a pneumatic valve of a cylinder bottom nozzle, flushing the cylinder bottom with clean water again by using the cylinder bottom nozzle, and discharging waste water at the same time;
s6, calling manual confirmation after maintenance is finished;
s7, confirming that the maintenance is finished, automatically extracting the prepared tank liquor, and entering a working state;
s8, when the final plate in the material waiting for stopping is over the horizontal line, the pneumatic valve is controlled through the central control module, so that liquid medicine in the groove body extracted by the booster pump in normal production is switched to be clear water in the water replenishing bypass pipe, and the liquid medicine in the pipeline system from the booster pump to the tail end nozzle is discharged.
2. The automatic maintenance method for the horizontal line of the circuit board according to claim 1, wherein the maintenance device comprises a horizontal line and comprises an infusion tube, the upper end and the lower end of the horizontal line are symmetrically provided with spray tubes, the infusion tube is respectively connected with the spray tubes, the spray tubes are connected with spray heads, and the spray heads face the horizontal line;
a water replenishing and cleaning pipe is arranged at one side of the infusion pipe, and a water replenishing bypass pipe is arranged at one side of the water replenishing and cleaning pipe;
the filter also comprises a liquid return pipe, and the liquid return pipe is connected with a filter assembly;
and a cylinder bottom spray pipe is arranged below the horizontal line.
3. The automatic maintenance method for the horizontal line of the circuit board of claim 1, further comprising a booster pump, wherein the booster pump is respectively connected with the liquid conveying pipe and the liquid return pipe.
4. The automatic maintenance method for the horizontal line of the circuit board according to claim 1, wherein a ball float valve is arranged at the water outlet of the clean water replenishing pipe.
5. The automatic maintenance method for the horizontal line of the circuit board of claim 1, further comprising a swing frame, wherein the swing frame is symmetrically arranged at the upper end and the lower end of the horizontal line, and the spray pipe is arranged on the swing frame.
6. The automatic maintenance method for the horizontal line of the circuit board according to claim 3, wherein a drain pipe is connected to the bottom of the maintenance device; and a drainage pneumatic valve is arranged at the joint of the maintenance device and the drainage pipe.
7. The automatic maintenance method for the horizontal line of the circuit board according to claim 6, wherein the liquid conveying pipe, the liquid return pipe, the clean water replenishing pipe, the water replenishing bypass pipe and the cylinder bottom nozzle are all provided with pneumatic valves.
8. The automatic maintenance method for the horizontal line of the circuit board according to claim 1, wherein the filtering component comprises a filter and a precision filter which are connected in sequence.
9. The automatic maintenance method for the horizontal line of the circuit board according to claim 8, wherein the precision filter comprises at least one of the following filter components: microfiltration component, fine filtration component, ceramic membrane component, tubular membrane component, PVDF membrane component and MBR membrane component.
10. The automatic maintenance method for the horizontal line of the circuit board as claimed in claim 7, further comprising a central control module, wherein the central control module is respectively connected with a booster pump, a pneumatic valve and a drainage pneumatic valve.
CN202111475012.6A 2021-12-06 2021-12-06 Automatic maintenance method for horizontal line of circuit board Pending CN114130745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111475012.6A CN114130745A (en) 2021-12-06 2021-12-06 Automatic maintenance method for horizontal line of circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111475012.6A CN114130745A (en) 2021-12-06 2021-12-06 Automatic maintenance method for horizontal line of circuit board

Publications (1)

Publication Number Publication Date
CN114130745A true CN114130745A (en) 2022-03-04

Family

ID=80384444

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111475012.6A Pending CN114130745A (en) 2021-12-06 2021-12-06 Automatic maintenance method for horizontal line of circuit board

Country Status (1)

Country Link
CN (1) CN114130745A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102036485A (en) * 2010-09-30 2011-04-27 北大方正集团有限公司 Spraying device and liquid medicine tank
CN206139601U (en) * 2016-10-08 2017-05-03 茂名市银峰石化有限公司 High -efficient cleaning system of oil tank
CN106694497A (en) * 2015-07-13 2017-05-24 东莞市斯坦得电子材料有限公司 Cleaning technology of developing trough for dry film/solder resist ink
CN206234617U (en) * 2016-11-18 2017-06-09 红板(江西)有限公司 A kind of circuit board plant production line automatic drain care device
WO2020190209A1 (en) * 2019-03-18 2020-09-24 Cyc International Pte. Ltd. Method and system for cleaning a storage tank using a plurality of devices
CN217774930U (en) * 2021-12-06 2022-11-11 广东喜珍电路科技有限公司 Maintenance device applied to PCB horizontal line

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102036485A (en) * 2010-09-30 2011-04-27 北大方正集团有限公司 Spraying device and liquid medicine tank
CN106694497A (en) * 2015-07-13 2017-05-24 东莞市斯坦得电子材料有限公司 Cleaning technology of developing trough for dry film/solder resist ink
CN206139601U (en) * 2016-10-08 2017-05-03 茂名市银峰石化有限公司 High -efficient cleaning system of oil tank
CN206234617U (en) * 2016-11-18 2017-06-09 红板(江西)有限公司 A kind of circuit board plant production line automatic drain care device
WO2020190209A1 (en) * 2019-03-18 2020-09-24 Cyc International Pte. Ltd. Method and system for cleaning a storage tank using a plurality of devices
CN217774930U (en) * 2021-12-06 2022-11-11 广东喜珍电路科技有限公司 Maintenance device applied to PCB horizontal line

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
岳德茂: "印刷科技实用手册 第3分册 印刷器材篇", vol. 1, 30 April 2010, 印刷工业出版社, pages: 232 *

Similar Documents

Publication Publication Date Title
CN104548747B (en) A kind of intelligently filters control method
RU2530051C2 (en) Device to produce super pure water by reverse osmosis
JP2013503744A (en) Water purification system
CN217774930U (en) Maintenance device applied to PCB horizontal line
CN104562165A (en) Intelligent filter control system
CN107349793A (en) A kind of system and method that can carry out offline chemical cleaning to MBR film group devices online
CN106268343B (en) Cleaning system for ceramic membrane for biological fermentation and use method
CN110193288A (en) A kind of restorative chemical cleaning method of unmanned automatic on-line of submerged ultrafiltration
CN114130745A (en) Automatic maintenance method for horizontal line of circuit board
CN207085690U (en) A kind of ultrafiltration integration apparatus
CN207699381U (en) Can online backwashing reverse osmosis water treatment system
CN216171445U (en) System for cleaning in-situ suspended MBR (membrane bioreactor) membrane
CN217449670U (en) Automatic cleaning device of MBR (membrane bioreactor) for sewage treatment
CN208648833U (en) A kind of double film combination sewage-treatment plants
CN213160244U (en) Reverse osmosis maintainable chemical cleaning device
CN204455343U (en) A kind of intelligently filters Controlling System
CN212041668U (en) Vertical side spraying plate cleaning device for water tank
CN110860517B (en) Ion exchange resin cleaning system and cleaning method
CN114195257A (en) MBR (membrane bioreactor) water treatment equipment and water treatment method
CN209173752U (en) A kind of ultrafiltration membrane flusher
CN107354473B (en) A kind of acid dip pickle applied to oil field filter tank
CN213314338U (en) Ultrafiltration equipment beneficial to cleaning
CN217367539U (en) Filter screen belt cleaning device
CN220736675U (en) Concentrated brine treatment device
CN220597663U (en) Water saving system for electrophoresis process

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination