CN215429836U - Automatic cleaning device for injection valve - Google Patents
Automatic cleaning device for injection valve Download PDFInfo
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- CN215429836U CN215429836U CN202121195879.1U CN202121195879U CN215429836U CN 215429836 U CN215429836 U CN 215429836U CN 202121195879 U CN202121195879 U CN 202121195879U CN 215429836 U CN215429836 U CN 215429836U
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Abstract
The utility model discloses an automatic cleaning device of an injection valve, which relates to the technical field of spray guns and is characterized in that a first piston assembly is used for controlling a fluid channel to be closed or communicated, when a second piston assembly is used for controlling a cleaning agent channel to be closed or communicated, and when the second piston assembly is used for controlling the cleaning agent channel to be closed and the first piston assembly is used for controlling the fluid channel to be communicated, fluid enters a spray head from the fluid channel and is sprayed out through the spray head, so that normal spraying operation is realized; after the spraying is finished, the second piston assembly controls the cleaning agent channel to be communicated, the first piston assembly controls the fluid channel to be closed, the cleaning agent enters the spray head from the cleaning agent channel and is sprayed out through the spray head to clean the interior of the spray head, and therefore the purposes of conveniently cleaning a nozzle of the spray head and preventing blockage to a certain extent are achieved; when not carrying out the operation, first air accuse piston and second air accuse piston are all not ventilative, and fluid chemical industry valve and washing chemical industry valve are in the closed condition, conveniently carry out other operations.
Description
Technical Field
The utility model relates to the technical field of spray guns, in particular to an automatic cleaning device for an injection valve.
Background
The spraying and ejecting fluid is basically solidified by a volatile solvent, the viscosity of the fluid is a necessary factor for ensuring the spraying adhesion, and the fluid can be adhered to a fluid pipeline, particularly a nozzle of a spray head, so that the spraying quality is reduced, even the nozzle is blocked, the product quality is reduced and the production is abnormal; the spraying fluid is basically a chemical product, has the defects of troublesome abnormal treatment, difficult cleaning and the like, and the manual operation of cleaning the chemical product has certain harm to human bodies.
When the existing product is sprayed and sprayed, the nozzle part and all the nozzle parts are blocked, the nozzle parts are required to be manually detached and cleaned, and hard sharp needles are mostly adopted to forcedly poke the micropores (0.05-0.5mm) of the nozzle when the nozzle is cleaned, so that the inner wall of the nozzle is damaged or even scrapped; damaged nozzles can cause a reduction in the quality of the spray or spray.
SUMMERY OF THE UTILITY MODEL
The utility model aims to conveniently clean the nozzle of the spray head and prevent the nozzle from being blocked to a certain extent.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
an automatic cleaning device for an injection valve comprises a spray head, a first control valve and a second control valve;
the first control valve comprises a first pneumatic control piston and a fluid chemical valve, the fluid chemical valve is fixedly arranged at the lower end of the first pneumatic control piston, a fluid passage is formed in the fluid chemical valve and communicated with the inside of the spray head, and a first piston assembly for controlling the fluid passage to be closed or communicated is arranged in the first pneumatic control piston.
The second control valve comprises a second air control piston and a cleaning agent chemical valve, the cleaning agent chemical valve is fixedly arranged at the lower end of the second air control piston, a cleaning agent channel is formed in the cleaning agent chemical valve and is communicated with the interior of the spray head, and a second piston assembly for controlling the closing or communication of the cleaning agent channel is arranged in the second air control piston.
Further, the first piston assembly comprises a first piston, a first plug and a first spring, a first cavity is formed in the first pneumatic control piston, the first piston is slidably arranged in the first cavity, one end of the first plug is fixedly arranged at the lower end of the first piston, the other end of the first plug is plugged in the fluid channel, a first air inlet communicated with the first cavity is formed in the side wall of the first pneumatic control piston, the first air inlet is located below the first piston, and the first spring is compressed between the first piston and the top end in the first cavity.
Further, the first control valve further comprises a first air control nozzle, and the first air control nozzle is communicated with the first air inlet.
Further, the second piston assembly comprises a second piston, a second plug and a second spring, a second cavity is formed in the second air control piston, the second piston is slidably arranged in the second cavity, one end of the second plug is fixedly arranged at the lower end of the second piston, the other end of the second plug is plugged in the cleaning agent channel, a second air inlet communicated with the second cavity is formed in the side wall of the second air control piston, the second air inlet is located below the second piston, and the second spring is compressed between the second piston and the top end in the second cavity.
Further, the second control valve further comprises a second air control nozzle, and the second air control nozzle is communicated with the second air inlet.
Further, still include the solenoid valve, the solenoid valve passes through the trachea and communicates with first gas accuse mouth and second gas accuse mouth respectively.
Further, the electromagnetic valve is a three-position five-way center seal type electromagnetic valve.
Further, still include the connecting plate, first control valve and second control valve all pass through the fixed setting on the shower nozzle of connecting plate.
The utility model has the beneficial effects that: according to the utility model, the first piston assembly controls the fluid channel to be closed or communicated, when the second piston assembly controls the cleaning agent channel to be closed or communicated, and when the second piston assembly controls the cleaning agent channel to be closed and the first piston assembly controls the fluid channel to be communicated, fluid enters the spray head from the fluid channel and is sprayed out through the spray head, so that normal spraying operation is realized;
after the spraying is accomplished, second piston assembly control cleaner passageway intercommunication, and first piston assembly control fluid passageway is closed, and the cleaner gets into the shower nozzle from the cleaner passageway, through the shower nozzle blowout, washs shower nozzle inside to the realization is convenient to be washd the nozzle of shower nozzle, prevents the purpose of jam to a certain extent.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a bottom view of the sprinkler head, first control valve and second control valve of the present invention;
FIG. 3 is a side view of the structure of the sprinkler head, first control valve and second control valve of the present invention;
FIG. 4 is a schematic view of the internal structure of the first control valve of the present invention;
fig. 5 is a schematic diagram of the internal structure of the second control valve of the present invention.
The reference signs are:
the spray head (1) is provided with a spray head,
a first pneumatic piston 21, a first air inlet 211, a first chamber 212, a fluid chemical valve 22, a fluid channel 221, a first pneumatic nozzle 23,
a first piston 251, a first plug 252, a first spring 253,
a second pneumatic control piston 31, a second air inlet 311, a second chamber 312, a cleaning agent chemical valve 32, a cleaning agent channel 321, a second pneumatic control nozzle 33,
solenoid valve 4, connecting plate 5.
Detailed Description
The present invention will be further described with reference to the drawings, wherein the terms "upper" and "lower" are used in the specification and drawings to refer to the same or similar orientation as that shown in fig. 1.
An automatic cleaning device for an injection valve as shown in fig. 1 to 5 includes a nozzle 1, a first control valve, a second control valve, an electromagnetic valve 4, and a connection plate 5.
The first control valve and the second control valve are both fixedly arranged on the spray head 1 through a connecting plate 5.
The first control valve comprises a first air control nozzle 23, a first air control piston 21 and a fluid chemical valve 22, the fluid chemical valve 22 is fixedly arranged at the lower end of the first air control piston 21, a fluid channel 221 is formed in the fluid chemical valve 22, the fluid channel 221 is communicated with the interior of the spray head 1, and a first piston 251 component for controlling the closing or communication of the fluid channel 221 is arranged in the first air control piston 21.
The first piston 251 assembly comprises a first piston 251, a first plug 252 and a first spring 253, a first chamber 212 is formed in the first pneumatic piston 21, the first piston 251 is slidably disposed in the first chamber 212, one end of the first plug 252 is fixedly disposed at the lower end of the first piston 251, the other end of the first plug 252 is plugged in the fluid channel 221, a first air inlet 211 communicated with the first chamber 212 is formed in the side wall of the first pneumatic piston 21, the first air inlet 211 is located below the first piston 251, the first spring 253 is compressed between the first piston 251 and the top end of the first chamber 212, and the first pneumatic nozzle 23 is communicated with the first air inlet 211.
When the first pneumatic nozzle 23 is inflated, air enters the first chamber 212 and pushes up the first piston 251 upwards, the first spring 253 is compressed, the first piston 251 drives the first plug 252 to leave the fluid channel 221, so that the fluid channel 221 is communicated, and at the moment, fluid can flow into the spray head 1 from the fluid channel 221, so that normal spraying operation is realized; when the first pneumatic nozzle 23 stops inflating, the air in the first chamber 212 is exhausted through the first pneumatic nozzle 23, the first spring 253 expands to push the first piston 251 to move downward, and the first piston 251 drives the first plug 252 to move downward, so that the first plug 252 blocks the fluid channel 221, prevents the fluid in the fluid channel 221 from flowing, and stops the spraying operation.
The second control valve includes second gas accuse nozzle 33, second gas accuse piston 31 and cleaner chemical industry valve 32, and the fixed lower extreme that sets up at second gas accuse piston 31 of cleaner chemical industry valve 32 has seted up cleaner passageway 321 in the inside cleaner chemical industry valve 32, cleaner passageway 321 and the inside intercommunication of shower nozzle 1, is provided with the closed or second piston 351 subassembly that communicates of control cleaner passageway 321 in the second gas accuse piston 31.
The second piston 351 assembly comprises a second piston 351, a second plug 352 and a second spring 353, a second chamber 312 is formed in the second pneumatic control piston 31, the second piston 351 is slidably arranged in the second chamber 312, one end of the second plug 352 is fixedly arranged at the lower end of the second piston 351, the other end of the second plug 352 is plugged in the cleaning agent channel 321, a second air inlet 311 communicated with the second chamber 312 is formed in the side wall of the second pneumatic control piston 31, the second air inlet 311 is located below the second piston 351, the second spring 353 is compressed between the second piston 351 and the top end of the second chamber 312, and the second pneumatic control nozzle 33 is communicated with the second air inlet 311.
When the second pneumatic control nozzle 33 is inflated, air enters the second chamber 312 and pushes up the second piston 351 upwards, the second spring 353 is compressed, the second piston 351 drives the second plug 352 to leave the cleaning agent channel 321, so that the cleaning agent channel 321 is communicated, and at the moment, the cleaning agent can flow into the spray head 1 from the cleaning agent channel 321, so that the operation of cleaning the spray head 1 is realized; when the second pneumatic control nozzle 33 stops inflating, air in the second chamber 312 is exhausted through the second pneumatic control nozzle 33, the second spring 353 expands to push the second piston 351 to move downwards, and the second piston 351 drives the second plug 352 to move downwards, so that the second plug 352 blocks the cleaning agent channel 321, the cleaning agent in the cleaning agent channel 321 is prevented from flowing, and the cleaning operation is stopped.
The electromagnetic valve 4 is a three-position five-way middle-sealed electromagnetic valve 4, the three-position five-way middle-sealed electromagnetic valve 4 is the prior art, and the structure is not described again; the electromagnetic valve 4 is communicated with the first air control nozzle 23 and the second air control nozzle 33 through air pipes, so that air is supplied to the first air control nozzle 23 and the second air control nozzle 33 through the electromagnetic valve 4.
An air source for supplying air is communicated with the electromagnetic valve 4 through an air pipe, the electromagnetic valve 4 is respectively communicated with the first air control nozzle 23 and the second air control nozzle 33 through the air pipe, and when the air source supplies air to the first air control nozzle 23 through the electromagnetic valve 4, the second air control nozzle 33 stops supplying air; when the air source supplies air to the second air control nozzle 33 through the electromagnetic valve 4, the first air control nozzle 23 stops supplying air at the same time; the electromagnetic valve 4 may also close the air pipes of the first air control nozzle 23 and the second air control nozzle 33 at the same time, so that the air supply of the first air control nozzle 23 and the air supply of the second air control nozzle 33 are stopped at the same time.
In current actual production, there is pause or long term stop work usually, wherein the short-term pause, and spraying chemicals can volatilize and the solidification, causes the nozzle portion and the whole jam of shower nozzle 1, and long term stop work need pull down shower nozzle 1 and wash, and installation and debugging again when continuing the operation reduces production efficiency, and the debugging of many times also can let the quality control degree of difficulty increase.
The utility model can directly carry out spraying or spraying operation production without any debugging when the production is suspended or stopped for a long time, effectively improve the product quality, greatly improve the production efficiency, save the consumption of spraying chemicals and ensure that the spray head 1 is almost not damaged when in normal use.
The working principle of the utility model is as follows:
when the second piston 351 assembly controls the cleaning agent channel 321 to be closed and the first piston 251 assembly controls the fluid channel 221 to be communicated, fluid enters the spray head 1 from the fluid channel 221 and is sprayed out through the spray head 1, and normal spraying operation is realized;
after the spraying is finished, the second piston 351 assembly controls the cleaning agent channel 321 to be communicated, the first piston 251 assembly controls the fluid channel 221 to be closed, the cleaning agent enters the spray head 1 from the cleaning agent channel 321 and is sprayed out through the spray head 1 to clean the interior of the spray head 1, so that the nozzle of the spray head 1 can be conveniently cleaned, and the blockage can be prevented to a certain extent;
when the cleaning is completed, the second piston 351 assembly controls the cleaning agent passage 321 to be closed, and the first piston 251 assembly controls the fluid passage 221 to be closed, so that the spray head 1 is not used for a long time, and there is no fear that the spray head 1 may be clogged.
The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims of the present application.
Claims (8)
1. An injection valve self-cleaning device which characterized in that: comprises a spray head, a first control valve and a second control valve;
the first control valve comprises a first pneumatic control piston and a fluid chemical valve, the fluid chemical valve is fixedly arranged at the lower end of the first pneumatic control piston, a fluid channel is arranged in the fluid chemical valve and is communicated with the interior of the spray head, a first piston assembly for controlling the fluid channel to be closed or communicated is arranged in the first pneumatic control piston,
the second control valve comprises a second air control piston and a cleaning agent chemical valve, the cleaning agent chemical valve is fixedly arranged at the lower end of the second air control piston, a cleaning agent channel is formed in the cleaning agent chemical valve and is communicated with the interior of the spray head, and a second piston assembly for controlling the closing or communication of the cleaning agent channel is arranged in the second air control piston.
2. The automatic cleaning device for the injection valve according to claim 1, characterized in that: the first piston assembly comprises a first piston, a first plug and a first spring, a first cavity is formed in the first pneumatic control piston, the first piston is slidably arranged in the first cavity, one end of the first plug is fixedly arranged at the lower end of the first piston, the other end of the first plug is plugged in a fluid channel, a first air inlet communicated with the first cavity is formed in the side wall of the first pneumatic control piston, the first air inlet is located below the first piston, and the first spring is compressed between the first piston and the top end in the first cavity.
3. The automatic cleaning device for the injection valve according to claim 2, characterized in that: the first control valve further comprises a first air control nozzle, and the first air control nozzle is communicated with the first air inlet.
4. The automatic cleaning device for the injection valve according to claim 2, characterized in that: the second piston assembly comprises a second piston, a second plug and a second spring, a second cavity is formed in the second air control piston, the second piston is arranged in the second cavity in a sliding mode, one end of the second plug is fixedly arranged at the lower end of the second piston, the other end of the second plug is blocked in the cleaning agent channel, a second air inlet communicated with the second cavity is formed in the side wall of the second air control piston, the second air inlet is located below the second piston, and the second spring is compressed between the second piston and the top end in the second cavity.
5. The automatic cleaning device for the injection valve according to claim 4, characterized in that: the second control valve further comprises a second air control nozzle, and the second air control nozzle is communicated with the second air inlet.
6. The automatic cleaning device for the injection valve according to claim 5, characterized in that: the pneumatic control device is characterized by further comprising an electromagnetic valve, wherein the electromagnetic valve is communicated with the first pneumatic control nozzle and the second pneumatic control nozzle through air pipes respectively.
7. The automatic cleaning device for the injection valve according to claim 6, characterized in that: the electromagnetic valve is a three-position five-way middle sealing type electromagnetic valve.
8. The automatic cleaning device for the injection valve according to any one of claims 1 to 7, characterized in that: the first control valve and the second control valve are both fixedly arranged on the spray head through the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121195879.1U CN215429836U (en) | 2021-05-31 | 2021-05-31 | Automatic cleaning device for injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121195879.1U CN215429836U (en) | 2021-05-31 | 2021-05-31 | Automatic cleaning device for injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215429836U true CN215429836U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121195879.1U Active CN215429836U (en) | 2021-05-31 | 2021-05-31 | Automatic cleaning device for injection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215429836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643153A (en) * | 2022-02-15 | 2022-06-21 | 洛阳君江建材科技有限公司 | Concrete surface reinforcing agent spraying equipment |
-
2021
- 2021-05-31 CN CN202121195879.1U patent/CN215429836U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643153A (en) * | 2022-02-15 | 2022-06-21 | 洛阳君江建材科技有限公司 | Concrete surface reinforcing agent spraying equipment |
| CN114643153B (en) * | 2022-02-15 | 2024-04-30 | 洛阳君江建材科技有限公司 | Concrete surface reinforcing agent spraying equipment |
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