CN103157568A - Printed circuit board (PCB) scaling powder spray coating control system - Google Patents
Printed circuit board (PCB) scaling powder spray coating control system Download PDFInfo
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- CN103157568A CN103157568A CN 201110411124 CN201110411124A CN103157568A CN 103157568 A CN103157568 A CN 103157568A CN 201110411124 CN201110411124 CN 201110411124 CN 201110411124 A CN201110411124 A CN 201110411124A CN 103157568 A CN103157568 A CN 103157568A
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Abstract
The invention discloses a printed circuit board (PCB) scaling powder spray coating control system which comprises a count code moving synchronously with a conveying belt and providing positive count signals for a counter inside a programmable logic controller (PLC) control unit, a limit switch A and a limit switch B, an optoelectronic switch connected with the PLC control unit, and a liquid path solenoid valve connected with the PLC control unit and used for controlling a liquid path flow gauge, wherein the limit switch A and the limit switch B are connected with the PLC control unit and installed on a PCB guide rail, the PLC control unit is connected with a liquid magnetic drive pump to control the liquid magnetic pump to deliver liquid scaling powder, the PLC control unit and a rodless cylinder are connected to control the rodless cylinder and adjust opening and closing of an automatic spray gun, the PLC control unit and a PCB drive motor are connected to control operation of a conveying belt through the PCB drive motor, and the PLC control unit is connected with an air exhaust motor. The PCB scaling powder spray coating control system is simple in control process, low in cost of construction, easy to maintain and protect and good in actual promotional value.
Description
Technical field
The invention belongs to spraying control technology field, be specifically related to a kind of PCB scaling powder spraying control system.
Background technology
Fast development along with large scale integrated circuit, the spraying technology of pcb board also is greatly improved, the spraying technology of traditional form mainly adopts hand spray or mechanically spraying, the shortcoming of hand spray mode maximum is that coating quality is not high, soldering flux coating is inhomogeneous, directly cause welding effect undesirable, and inefficiency, the scaling powder volatilization affects the healthy of staff; Although the mechanically spraying mode has improved operating efficiency to a certain extent, coating quality also makes moderate progress, but the operation drilling at the loading and unloading pcb board is made comparisons loaded down with trivial details, when especially workload is larger, this shortcoming is particularly evident, and does not solve the problem that the scaling powder volatilization exerts an influence to health, therefore, should make improvement to the spraying technology of traditional form, to address the above problem.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, and a kind of PCB scaling powder spraying control system is provided.This system's control procedure is simple, and equipment manufacturing cost is cheap, is easy to maintaining, has good actual promotional value.All drawbacks for the conventional spray paint technology, proposed to control with the PLC control module work of all execution units, cancelled manual operation, and entire system is in closed environment, attached motor exhaust, prevent that the scaling powder smelling out from producing harmful effect to human body, a whole set of operation is automatically to be completed, and has greatly improved operating efficiency and coating quality.
for solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of PCB scaling powder spraying control system, it is characterized in that, comprise the counter code disc that is synchronized with the movement with conveyer belt and the forward counting signal is provided for the counter in the PLC control module, join with the PLC control module and be installed on limit switch A and limit switch B on the pcb board guide rail, with the optoelectronic switch that joins with the PLC control module, also comprise the liquid way solenoid valve that be used for to control liquid road flowmeter that joins with the PLC control module, described PLC control module and liquid magnetic pump join and control liquid magnetic pump delivering liquid scaling powder, thereby described PLC control module and Rodless cylinder join and control the folding that Rodless cylinder is regulated automatic spray gun, described PLC control module and PCB transmit the operation that motor joins and transmits the Electric Machine Control conveyer belt by PCB, described PLC control module and motor exhaust join.
Above-mentioned PCB scaling powder spraying control system, when described automatic spray gun triggered limit switch A, the PLC control module was controlled the Rodless cylinder counter motion, and when automatic spray gun triggered limit switch B, the PLC control module was controlled Rodless cylinder counter motion again.
The present invention compared with prior art has the following advantages:
1, control procedure of the present invention is simple, and equipment manufacturing cost is cheap, is easy to maintaining, has good actual promotional value.
2, the present invention is directed to all drawbacks of conventional spray paint technology, proposed to control with the PLC control module work of all execution units, cancelled manual operation, and entire system is in closed environment, attached motor exhaust, prevent that the scaling powder smelling out from producing harmful effect to human body, a whole set of operation is automatically to be completed, and has greatly improved operating efficiency and coating quality.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structured flowchart of system of the present invention.
Description of reference numerals:
The 1-counter code disc; 2-limit switch A; 3-limit switch B;
The 4-optoelectronic switch; The 5-PLC control module; 6-liquid way solenoid valve;
7-liquid magnetic pump; The 8-Rodless cylinder; 9-PCB transmits motor;
10-liquid road flowmeter; The liquid scaling powder of 11-; The 12-automatic spray gun;
The 13-conveyer belt; The 14-motor exhaust; The 15-PCB plate.
The specific embodiment
as shown in Figure 1, PCB scaling powder spraying control system of the present invention, comprise the counter code disc 1 that is synchronized with the movement with conveyer belt 13 and the forward counting signal is provided for the counter in PLC control module 5, join with PLC control module 5 and be installed on limit switch A2 and limit switch B3 on pcb board 15 guide rails, with the optoelectronic switch 4 that joins with PLC control module 5, also comprise the liquid way solenoid valve 6 that be used for to control liquid road flowmeter 10 that joins with PLC control module 5, described PLC control module 5 joins and controls liquid magnetic pump 7 delivering liquid scaling powders 11 with liquid magnetic pump 7, thereby described PLC control module 5 joins with Rodless cylinder 8 and controls the folding that Rodless cylinder 8 is regulated automatic spray gun 12, described PLC control module 5 transmits with PCB the operation that motor 9 joins and transmit motor 9 control conveyer belts 13 by PCB, described PLC control module 5 joins with motor exhaust 14.
As shown in Figure 1, in the present embodiment, when described automatic spray gun 12 triggered limit switch A2, PLC control module 5 was controlled Rodless cylinder 8 counter motions, and when automatic spray gun 12 triggered limit switch B3, PLC control module 5 was controlled Rodless cylinder 8 counter motion again.
Operation principle of the present invention is: when the pcb board 15 luminous electric switches 4 of contact, PLC control module 5 internal counter C1 begin to count down, and numerical value is the actual range between optoelectronic switch 4 and automatic spray gun 12; Counter code disc 1 is synchronized with the movement with conveyer belt 13, and for counter C2 provides the forward counting signal, gate time is the time of the pcb board 15 luminous electric switches 4 of contact, and institute's count value is deposited PLC control module 5; When counter C1 counts down when completing, PLC control module 5 is opened liquid way solenoid valve 6, start liquid electromagnetic pump 7 and Rodless cylinder 8, realizes the scan-type spraying function; When automatic spray gun 12 triggers limit switch A2, Rodless cylinder 8 counter motions; When automatic spray gun 12 triggered limit switch B3, Rodless cylinder 8 counter motion again because two limit switches are loaded on respectively on pcb board 15 guide rails, therefore can realize automatically identifying PCB width function; When automatic spray gun 12 beginning spraying operations, PLC internal counter C2 begins to count down, and counts down when completing, and automatic spray gun 12 is closed, and completes spraying operation.
The above; it is only preferred embodiment of the present invention; be not that the present invention is done any restriction, every any simple modification, change and equivalent structure of above embodiment being done according to the invention technical spirit changes, and all still belongs in the protection domain of technical solution of the present invention.
Claims (2)
1. PCB scaling powder spraying control system, it is characterized in that, comprise and be synchronized with the movement with conveyer belt (13) and be the counter code disc (1) that counter in PLC control module (5) provides the forward counting signal, join with PLC control module (5) and be installed on limit switch A (2) and limit switch B (3) on pcb board (15) guide rail, with the optoelectronic switch (4) that joins with PLC control module (5), also comprise the liquid way solenoid valve (6) that is used for controlling liquid road flowmeter (10) that joins with PLC control module (5), described PLC control module (5) joins and controls liquid magnetic pump (7) delivering liquid scaling powder (11) with liquid magnetic pump (7), described PLC control module (5) joins with Rodless cylinder (8) and controls Rodless cylinder (8) thereby the folding of adjusting automatic spray gun (12), described PLC control module (5) transmits motor (9) with PCB and joins and transmit by PCB the operation that motor (9) is controlled conveyer belt (13), described PLC control module (5) joins with motor exhaust (14).
2. PCB scaling powder spraying control system according to claim 1, it is characterized in that, when described automatic spray gun (12) triggers limit switch A (2), PLC control module (5) is controlled Rodless cylinder (8) counter motion, when automatic spray gun (12) triggered limit switch B (3), PLC control module (5) was controlled Rodless cylinder (8) counter motion again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110411124 CN103157568A (en) | 2011-12-11 | 2011-12-11 | Printed circuit board (PCB) scaling powder spray coating control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110411124 CN103157568A (en) | 2011-12-11 | 2011-12-11 | Printed circuit board (PCB) scaling powder spray coating control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103157568A true CN103157568A (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110411124 Pending CN103157568A (en) | 2011-12-11 | 2011-12-11 | Printed circuit board (PCB) scaling powder spray coating control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN103157568A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952629A (en) * | 2016-10-14 | 2018-04-24 | 玛珂系统分析和开发有限公司 | Apparatus and method for applying a fluid to body surface |
| CN108099373A (en) * | 2017-12-28 | 2018-06-01 | 中国科学院西安光学精密机械研究所 | PCB precision positioning method and mechanism of solder paste printer |
| CN108499770A (en) * | 2018-03-26 | 2018-09-07 | 中国工程物理研究院化工材料研究所 | The control system of automatic ration spraying |
-
2011
- 2011-12-11 CN CN 201110411124 patent/CN103157568A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952629A (en) * | 2016-10-14 | 2018-04-24 | 玛珂系统分析和开发有限公司 | Apparatus and method for applying a fluid to body surface |
| US10794540B2 (en) | 2016-10-14 | 2020-10-06 | Marco Systemanalyse Und Entwicklung Gmbh | Apparatus and method for applying a fluid to an object surface |
| CN108099373A (en) * | 2017-12-28 | 2018-06-01 | 中国科学院西安光学精密机械研究所 | PCB precision positioning method and mechanism of solder paste printer |
| CN108499770A (en) * | 2018-03-26 | 2018-09-07 | 中国工程物理研究院化工材料研究所 | The control system of automatic ration spraying |
| CN108499770B (en) * | 2018-03-26 | 2019-07-23 | 中国工程物理研究院化工材料研究所 | The control system of automatic ration spraying |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130619 |