CN218962976U - Spray gun for polyurethane spraying foaming equipment - Google Patents
Spray gun for polyurethane spraying foaming equipment Download PDFInfo
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- CN218962976U CN218962976U CN202222566562.5U CN202222566562U CN218962976U CN 218962976 U CN218962976 U CN 218962976U CN 202222566562 U CN202222566562 U CN 202222566562U CN 218962976 U CN218962976 U CN 218962976U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a spray gun for polyurethane spraying foaming equipment, which comprises: the polyurethane spraying device comprises a shell, a feeding pipeline fixedly connected to the right side wall of the shell and communicated with the inside of the shell, a nozzle fixedly connected to the front surface of the shell and used for spraying polyurethane materials, and a valve mechanism arranged in the shell and used for controlling the discharge amount of the nozzle; after the spraying is finished, the pressure to the pressing plate is relieved, the valve core rebounds rapidly under the elastic potential energy of the spring, a gap between the pressing plate and the valve housing feed inlet can be blocked rapidly, excessive spraying of materials by the nozzle is prevented, the spraying effect of a product is affected, the plug is driven to synchronously move downwards when the connecting shaft moves downwards until the plug is communicated with the socket, an alarm is given by the indicator at the moment, the valve core is completely opened by reminding a worker, and the pressing of the pressing plate is stopped continuously.
Description
Technical Field
The utility model relates to the technical field of spray guns, in particular to a spray gun for polyurethane spraying foaming equipment.
Background
Polyurethane spraying is high-pressure polyurethane spraying equipment. Because the materials of the high pressure spraying apparatus collide and vigorously rotate at high speed in a mixing chamber having a small space, the mixing is very sufficient. The high-speed moving material forms fine mist droplets at the nozzle opening of the spray gun and is uniformly sprayed onto the surface of the object.
The Chinese patent discloses a polyurethane foaming machine high-pressure spray gun (grant bulletin No. CN 201510810963.2), the technology of the patent is that two material injecting components are communicated with two material receiving holes, two air blowing components are communicated with two material receiving holes, and a nozzle component is always communicated with a discharge hole, so that the foaming effect is good, the gun blocking frequency is greatly reduced, the gun cleaning effect is better, however, the spray gun adopts a touch-press starting mode, when the spray of the nozzle is finished, if a valve core cannot rebound rapidly and the nozzle is closed, the condition of excessive spray of polyurethane materials is easy to occur, and the phenomenon of poor spray effect of products is caused.
Accordingly, a spray gun for polyurethane spray foaming equipment is provided by those skilled in the art to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to provide a spray gun for polyurethane spraying foaming equipment, which aims to solve the problem that the spray gun cannot be closed in time after the spraying of the existing spray gun is finished in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a spray gun for polyurethane spray foaming equipment, comprising: the polyurethane spraying device comprises a shell, a feeding pipeline fixedly connected to the right side wall of the shell and communicated with the inside of the shell, a nozzle fixedly connected to the front surface of the shell and used for spraying polyurethane materials, and a valve mechanism arranged in the shell and used for controlling the discharge amount of the nozzle;
the valve mechanism includes: the valve comprises a valve shell fixedly arranged on the inner wall of the shell and communicated with a feeding pipeline, a baffle plate of a V-shaped structure, an upper sealing cover, an upper sealing cylinder, a lower sealing cover, a guide pipe, a positioning cylinder, a sliding rod, a pressing plate, a connecting shaft and a spring, wherein the baffle plate is fixedly connected to the inner wall of the valve shell and positioned between an inlet and an outlet of the valve shell;
the indicator is fixedly connected to the outer wall of the shell, and the trigger mechanism is arranged at the bottom of the lower sealing cover.
As a further scheme of the utility model: the trigger mechanism includes: the plug comprises a lower sealing cylinder fixedly connected to the bottom of the lower sealing cover, a box fixedly connected to the bottom of the lower sealing cylinder, a socket fixedly connected to the bottom of the inner wall of the box, a lower sealing cylinder fixedly connected to the outer wall of the connecting shaft and in sliding connection with the inner wall of the lower sealing cylinder, and a plug fixedly connected to the bottom end of the connecting shaft and matched with the socket.
As still further aspects of the utility model: the plug and the socket are electrically connected with the indicator.
As still further aspects of the utility model: the outer wall fixedly connected with of connecting axle is used for sealing the first sealing block of sealed section of thick bamboo, the outer wall fixedly connected with of connecting axle is used for sealing the second sealing block of upper seal cover, the outer wall fixedly connected with of connecting axle is used for sealing the third sealing block of sealed section of thick bamboo down.
As still further aspects of the utility model: the right side wall of the shell is fixedly connected with a limiting plugboard for assembling the shell.
As still further aspects of the utility model: the right side wall of the shell is fixedly connected with a sealing gasket relative to the outer wall of the feeding pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
1. after the spraying is finished, the pressure to the pressing plate is relieved, the valve core rebounds rapidly under the elastic potential energy of the spring, and a gap between the pressing plate and the valve housing feeding hole can be blocked rapidly, so that excessive spraying of materials by the nozzle is prevented, and the spraying effect of a product is influenced.
2. When the connecting shaft moves downwards, the plug is driven to synchronously move downwards until the plug is communicated with the socket, and at the moment, the indicator gives an alarm to remind a worker that the valve core is completely opened, and the pressing plate is stopped from being continuously pressed.
3. The connecting shaft moves up and down to drive the first sealing block, the second sealing block and the third sealing block to move synchronously, and through setting up the third sealing block, materials inside the valve casing are prevented from entering the box body, and through setting up the second sealing block and the first sealing block, the materials are prevented from entering the upper sealing cylinder and overflowing, and the sealing effect is improved.
Drawings
Fig. 1 is a schematic structural view of a spray gun for polyurethane spraying foaming equipment.
Fig. 2 is a schematic view of the internal structure of a spray gun for polyurethane spraying foaming equipment.
Fig. 3 is a schematic structural view of a connecting shaft and a valve core in a spray gun for polyurethane spraying foaming equipment.
In the figure: 1. a housing; 2. a feed conduit; 3. limiting plugboards; 4. a nozzle; 5. an indicator; 6. a positioning cylinder; 7. pressing the plate; 8. a sealing gasket; 9. a valve housing; 10. an upper cover; 11. an upper sealing cylinder; 12. a lower cover; 13. a lower seal cylinder; 14. a case; 15. a socket; 16. a spring; 17. a baffle; 18. a material guiding pipe; 19. a slide bar; 20. a connecting shaft; 21. a first sealing block; 22. a second sealing block; 23. a valve core; 24. a third sealing block; 25. a plug.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, an embodiment of the present utility model provides a spray gun for polyurethane spraying foaming equipment, including: the polyurethane spraying device comprises a shell 1, a feeding pipeline 2 fixedly connected to the right side wall of the shell 1 and communicated with the inside of the shell 1, a nozzle 4 fixedly connected to the front surface of the shell 1 and used for spraying polyurethane materials, and a valve mechanism arranged in the shell 1 and used for controlling the discharge amount of the nozzle 4;
the valve mechanism includes: the valve comprises a valve shell 9 fixedly arranged on the inner wall of a shell 1 and communicated with a feeding pipeline 2, a baffle 17 of a V-shaped structure fixedly connected to the inner wall of the valve shell 9 and positioned between an inlet and an outlet of the valve shell 9, an upper sealing cover 10 fixedly connected to the top of the valve shell 9, an upper sealing cylinder 11 with one end fixedly connected to the top of the upper sealing cover 10 and the other end fixedly connected to the top of the inner wall of the shell 1, a lower sealing cover 12 fixedly connected to the bottom of the valve shell 9, a guide pipe 18 with one end fixedly connected to the left outlet of the valve shell 9 and the other end fixedly connected to the inlet of a nozzle 4, a positioning cylinder 6 fixedly connected to the top of the shell 1 relative to the upper sealing cylinder 11, a slide rod 19 inserted into the inner wall of the positioning cylinder 6, a pressing plate 7 fixedly connected to the top of the slide rod 19, a connecting shaft 20 fixedly connected to the bottom of the slide rod 19, a valve core 23 fixedly connected to the outer wall of the connecting shaft 20 for sealing a gap between the baffle 17 and the feed inlet of the valve shell 9, and a spring 16 arranged on the outer wall of the connecting shaft 20 and with the bottom of the valve core 23 and the inner wall of the lower sealing cover 12 respectively for driving the valve core 23 to rebound automatically;
when the material is needed to be sprayed, the pressing plate 7 is touched downwards, the pressing plate 7 slides downwards in the positioning cylinder 6, the connecting shaft 20 is driven to move downwards, the valve core 23 is driven to be separated from a gap between the baffle 17 and the valve shell 9, the spring 16 is compressed simultaneously, and after the material in the material pipe 2 enters the valve shell 9, the material enters the material guide pipe 18 through a gap between the baffle 17 and a material inlet of the valve shell 9 and is sprayed out through the nozzle 4.
The indicator 5 is fixedly connected to the outer wall of the shell 1, and the trigger mechanism is arranged at the bottom of the lower sealing cover 12.
The trigger mechanism includes: the plug comprises a lower sealing cylinder 13 fixedly connected to the bottom of a lower sealing cover 12, a box 14 fixedly connected to the bottom of the lower sealing cylinder 13, a socket 15 fixedly connected to the bottom of the inner wall of the box 14, a lower sealing cylinder 13 fixedly connected to the outer wall of a connecting shaft 20 and in sliding connection with the inner wall of the lower sealing cylinder 13, and a plug 25 fixedly connected to the bottom end of the connecting shaft 20 and matched with the socket 15.
The plug 25 and the socket 15 are electrically connected with the indicator 5.
When the connecting shaft 20 moves downwards, the plug 25 is driven to move downwards synchronously until the plug 25 is communicated with the socket 15, the indicator 5 gives an alarm at the moment, reminds a worker that the valve core 23 is completely opened, stops continuously pressing the pressing plate 7 downwards, releases the pressure on the pressing plate 7 after the spraying is finished, and the valve core 23 quickly rebounds under the elastic potential energy of the spring 16, so that the gap between the pressing plate 7 and the feed inlet of the valve shell 9 can be blocked quickly, the excessive spraying of materials of the nozzle 4 is prevented, and the product spraying effect is influenced.
The outer wall of the connecting shaft 20 is fixedly connected with a first sealing block 21 for sealing the upper sealing cylinder 11, the outer wall of the connecting shaft 20 is fixedly connected with a second sealing block 22 for sealing the upper sealing cover 10, and the outer wall of the connecting shaft 20 is fixedly connected with a third sealing block 24 for sealing the lower sealing cylinder 13.
The right side wall of the shell 1 is fixedly connected with a limiting plugboard 3 for assembling the shell 1.
The right side wall of the shell 1 is fixedly connected with a sealing gasket 8 relative to the outer wall of the feeding pipeline 2.
The connecting shaft 20 moves up and down to drive the first sealing block 21, the second sealing block 22 and the third sealing block 24 to move synchronously, and through the arrangement of the third sealing block 24, materials inside the valve casing 9 are prevented from entering the box body 14, and through the arrangement of the second sealing block 22 and the first sealing block 21, the materials are prevented from entering the upper sealing cylinder 11 and overflowing, and the sealing effect is improved.
The working principle of the utility model is as follows:
when the utility model is used, the feeding pipeline 2 is connected with the feeding pipeline, when spraying materials is needed, the pressing plate 7 is pressed downwards, the pressing plate 7 slides downwards in the positioning cylinder 6, the connecting shaft 20 is driven to move downwards, the valve core 23 is driven to be separated from a gap between the baffle 17 and the valve shell 9, meanwhile, the spring 16 is compressed, and after the materials in the feeding pipeline 2 enter the valve shell 9, the materials enter the material guide pipe 18 through a gap between the baffle 17 and a feed inlet of the valve shell 9 and are sprayed out through the nozzle 4;
when the connecting shaft 20 moves downwards, the plug 25 is driven to synchronously move downwards until the plug 25 is communicated with the socket 15, and the indicator 5 gives an alarm at the moment to remind a worker that the valve core 23 is completely opened, and the pressing plate 7 is stopped from being continuously pressed down;
after the spraying is finished, the pressure on the pressing plate 7 is relieved, the valve core 23 rebounds rapidly under the elastic potential energy of the spring 16, so that a gap between the pressing plate 7 and a feed inlet of the valve housing 9 can be blocked rapidly, the excessive spraying of materials by the nozzle 4 is prevented, and the spraying effect of a product is influenced;
the connecting shaft 20 moves up and down to drive the first sealing block 21, the second sealing block 22 and the third sealing block 24 to move synchronously, and through the arrangement of the third sealing block 24, materials inside the valve casing 9 are prevented from entering the box body 14, and through the arrangement of the second sealing block 22 and the first sealing block 21, the materials are prevented from entering the upper sealing cylinder 11 and overflowing, and the sealing effect is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A spray gun for polyurethane spray foaming equipment, comprising:
the polyurethane spraying device comprises a shell, a feeding pipeline fixedly connected to the right side wall of the shell and communicated with the inside of the shell, a nozzle fixedly connected to the front surface of the shell and used for spraying polyurethane materials, and a valve mechanism arranged in the shell and used for controlling the discharge amount of the nozzle;
the valve mechanism includes: the valve comprises a valve shell fixedly arranged on the inner wall of the shell and communicated with a feeding pipeline, a baffle plate of a V-shaped structure, an upper sealing cover, an upper sealing cylinder, a lower sealing cover, a guide pipe, a positioning cylinder, a sliding rod, a pressing plate, a connecting shaft and a spring, wherein the baffle plate is fixedly connected to the inner wall of the valve shell and positioned between an inlet and an outlet of the valve shell;
the indicator is fixedly connected to the outer wall of the shell, and the trigger mechanism is arranged at the bottom of the lower sealing cover.
2. A spray gun for a polyurethane spray foaming apparatus according to claim 1 wherein the trigger mechanism comprises: the plug comprises a lower sealing cylinder fixedly connected to the bottom of the lower sealing cover, a box fixedly connected to the bottom of the lower sealing cylinder, a socket fixedly connected to the bottom of the inner wall of the box, a lower sealing cylinder fixedly connected to the outer wall of the connecting shaft and in sliding connection with the inner wall of the lower sealing cylinder, and a plug fixedly connected to the bottom end of the connecting shaft and matched with the socket.
3. A spray gun for polyurethane spray foaming equipment as claimed in claim 2 wherein the plug and socket are electrically connected to the indicator.
4. The spray gun for polyurethane spraying foaming equipment according to claim 1, wherein the outer wall of the connecting shaft is fixedly connected with a first sealing block used for sealing the upper sealing cylinder, the outer wall of the connecting shaft is fixedly connected with a second sealing block used for sealing the upper sealing cover, and the outer wall of the connecting shaft is fixedly connected with a third sealing block used for sealing the lower sealing cylinder.
5. The spray gun for polyurethane spraying and foaming equipment according to claim 1, wherein a limiting plugboard for assembling the shell is fixedly connected to the right side wall of the shell.
6. The spray gun for polyurethane spraying foaming equipment according to claim 1, wherein a sealing gasket is fixedly connected to the right side wall of the shell relative to the outer wall of the feeding pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222566562.5U CN218962976U (en) | 2022-09-27 | 2022-09-27 | Spray gun for polyurethane spraying foaming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222566562.5U CN218962976U (en) | 2022-09-27 | 2022-09-27 | Spray gun for polyurethane spraying foaming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218962976U true CN218962976U (en) | 2023-05-05 |
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ID=86156616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222566562.5U Active CN218962976U (en) | 2022-09-27 | 2022-09-27 | Spray gun for polyurethane spraying foaming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218962976U (en) |
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2022
- 2022-09-27 CN CN202222566562.5U patent/CN218962976U/en active Active
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