CN215235556U - One-way conduction mixing tube for spraying two-component coating - Google Patents
One-way conduction mixing tube for spraying two-component coating Download PDFInfo
- Publication number
- CN215235556U CN215235556U CN202120733252.0U CN202120733252U CN215235556U CN 215235556 U CN215235556 U CN 215235556U CN 202120733252 U CN202120733252 U CN 202120733252U CN 215235556 U CN215235556 U CN 215235556U
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- CN
- China
- Prior art keywords
- inlet
- outlet
- mixing tube
- way conduction
- spraying
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- 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.)
- Expired - Fee Related
Links
- 238000002156 mixing Methods 0.000 title claims abstract description 57
- 238000005507 spraying Methods 0.000 title claims abstract description 32
- 238000000576 coating method Methods 0.000 title claims abstract description 17
- 239000011248 coating agent Substances 0.000 title claims abstract description 16
- 239000000853 adhesive Substances 0.000 claims abstract description 28
- 230000001070 adhesive effect Effects 0.000 claims abstract description 28
- 238000007599 discharging Methods 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- 239000000741 silica gel Substances 0.000 claims description 23
- 229910002027 silica gel Inorganic materials 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 13
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 7
- 230000003068 static effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 28
- 230000000694 effects Effects 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model discloses a one-way conduction mixing tube for spraying two-component coating, which belongs to the technical field of static mixing tubes, wherein one end of the mixing tube is a feeding end, and the other end is a discharging end; the feeding end of the mixing pipe is provided with a necking part, and the necking part comprises an outlet facing the discharging end, an inlet far away from the feeding end and a middle section positioned between the inlet and the outlet; the middle section or the inlet and the outlet are provided with a one-way conduction structure; when feeding, the one-way conduction structure is opened, and the inlet is communicated with the outlet; the one-way conduction structure is closed during backflow, and the inlet and the outlet are cut off; compared with the prior art, the arrangement of the one-way conduction structure can prevent the bi-component adhesive from flowing back to block the feed inlet when the mixing pipe is inclined, and even flowing back to the raw material barrel to pollute the raw materials; the mixing tube can be inclined at will during spraying, and the spraying operation is simpler.
Description
Technical Field
The utility model belongs to the technical field of static hybrid tube, specifically be an one-way switch-on hybrid tube for spraying two ingredient coating.
Background
The mixing pipe is a device for mixing the two-component adhesive; the two-component adhesive, also called AB adhesive, is composed of A, B two liquids, wherein one liquid is the adhesive, the other liquid is a hardener, the two liquids can be mixed with each other to generate a curing effect, and the two liquids have a quick-drying characteristic; A. the two liquids B are usually stored in different containers, are simultaneously introduced into a mixing tube before spraying, are uniformly mixed and stirred, and are sprayed out from a nozzle.
The application range of the double-component adhesive is wide, for example, the surfaces of machine equipment, various parts or the inner surface part of a pipeline mainly have the bonding effect with finish paint and the like; however, when spraying, especially when spraying the surface of large equipment, it is often necessary to tilt the mixing tube so that the nozzle is tilted upwards; if no thrust force exists, the partially mixed two-component adhesive flows back under the action of gravity and may adhere to the feeding hole, so that the feeding hole is blocked and even flows back to the raw material barrel; therefore, how to effectively prevent the blockage of a feeding hole of the spraying two-component adhesive is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the technology, the utility model provides a one-way conduction mixing tube for spraying two-component coating, a one-way conduction structure is arranged at the feed inlet; when the mixing pipe is inclined, the two-component adhesive which is partially mixed flows back to block the feed inlet, and even the raw materials in the raw material barrel are prevented from being polluted; the mixing tube can be inclined at will during spraying, and the spraying operation is simpler.
In order to realize the purpose, the utility model provides a one-way conduction mixing tube for spraying two-component coating, one end of the mixing tube is a feeding end, and the other end is a discharging end; the feeding end of the mixing pipe is provided with a necking part, and the necking part comprises an outlet facing the discharging end, an inlet far away from the feeding end and a middle section positioned between the inlet and the outlet; the middle section or the inlet and the outlet are provided with a one-way conduction structure; when feeding, the one-way conduction structure is opened, and the inlet is communicated with the outlet; the one-way conduction structure is closed during backflow, and the inlet and the outlet are cut off.
According to the specific scheme, the one-way conduction device comprises a spring and a stop block, wherein one end of the spring is arranged at the outlet, and the other end of the spring is connected with the stop block; the inner diameter of the inlet is smaller than that of the middle section, and the spring pushes the stop block to close the inlet; the two-component adhesive pushes the stop block open during feeding, the inlet is communicated with the outlet, the two-component adhesive pushes the stop block to close the inlet during backflow, and the inlet and the outlet are cut off.
In a specific scheme, the outlet is provided with a convex ring extending in the radial direction, and the spring is connected with the convex ring.
In a specific scheme, the spring pushes the stop block to be in a compressed state when the stop block closes the inlet.
Preferably, the stopper is a spherical structure.
In another scheme, the one-way conduction device comprises a plurality of silica gel sheets, and the silica gel sheets are arranged on the side wall of the middle section and incline from the inlet to the outlet; two adjacent silica gel pieces are arranged at intervals relatively, the two-component adhesive pushes the two adjacent silica gel pieces to open during feeding, the inlet is communicated with the outlet, the two-component adhesive pushes the two adjacent silica gel pieces to close and seal the inlet during backflow, and the inlet is cut off from the outlet.
According to the preferred scheme, the silica gel sheets are of a bent sheet structure, and two adjacent silica gel sheets are arched towards the outlet when the inlet is closed.
The concrete scheme still includes agitating unit, and agitating unit is located between the export of constriction portion and discharge end.
In a specific scheme, the stirring device comprises a long shaft and a plurality of stirring parts which are arranged on the long shaft at intervals; and at least part of the stirring part is connected with the inner wall of the mixing pipe.
According to the specific scheme, a nozzle with a reduced caliber is sleeved at the discharge end of a mixing pipe, and a taper pipe with an increased caliber is sleeved at the feed end; the two-component adhesive enters the mixing tube from the taper tube and is mixed and sprayed out from the nozzle.
In a specific scheme, one end of the taper pipe with a larger caliber is in threaded connection with an external discharging cavity.
The utility model has the advantages that: the utility model provides a one-way conduction mixing tube for spraying two-component coating, one end of the mixing tube is a feeding end, and the other end is a discharging end; the feeding end of the mixing pipe is provided with a necking part, and the necking part comprises an outlet facing the discharging end, an inlet far away from the feeding end and a middle section positioned between the inlet and the outlet; the middle section or the inlet and the outlet are provided with a one-way conduction structure; when feeding, the one-way conduction structure is opened, and the inlet is communicated with the outlet; the one-way conduction structure is closed during backflow, and the inlet and the outlet are cut off; compared with the prior art, the arrangement of the one-way conduction structure can prevent the bi-component adhesive from flowing back to block the feed inlet or flowing back to the raw material barrel when the mixing pipe is inclined; the mixing tube can be inclined at will during spraying, and the spraying operation is simpler.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a schematic view of the spring one-way conduction structure of the present invention when closed;
FIG. 3 is a schematic view of the spring one-way conduction structure of the present invention when opened;
fig. 4 is a schematic view of the silicone sheet when the one-way conduction structure of the utility model is closed;
fig. 5 is a schematic diagram of the silica gel sheet one-way conduction structure of the present invention when it is opened.
The main element symbols are as follows:
1. a mixing tube; 2. a nozzle; 3. a tapered tube; 4. a stirring device; 11. an inlet; 12. a middle section; 13. an outlet; 14. a convex ring; 15. a stopper; 16. a spring; 17. a silica gel sheet.
Detailed Description
In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.
As described in the background art, when a spray gun is used for spraying in an inclined manner in the prior art, a phenomenon that a mixed two-component adhesive flows back to block a feed inlet can occur; the utility model provides a one-way conduction mixing tube 1 for spraying two-component coating, which can effectively solve the problem; referring to fig. 1, one end of a mixing pipe 1 is a feeding end, and the other end is a discharging end; the feeding end of the mixing pipe 1 is provided with a necking part, and the necking part comprises an outlet 13 facing the discharging end, an inlet 11 far away from the feeding end and a middle section 12 positioned between the inlet 11 and the outlet 13; a one-way conduction structure is arranged at the middle section 12 or the inlet 11 and the outlet 13; when feeding, the one-way conduction structure is opened, and the inlet 11 is communicated with the outlet 13; the one-way conduction structure is closed during backflow, and the inlet 11 and the outlet 13 are cut off; compared with the prior art, the arrangement of the one-way conduction structure can prevent the two-component adhesive from flowing back to block the feed inlet when the mixing pipe 1 inclines; the mixing tube 1 can be inclined at will during spraying, and the spraying operation is simpler.
In the embodiment, the stirring device 4 is further included, and the stirring device 4 is positioned between the outlet 13 of the necking part and the discharge end; a, B two liquids passing through the necking part are stirred and mixed; meanwhile A, B the two liquids are conveyed from the feed end to the discharge end; the closer to the discharge end, the more evenly the A, B two liquids are mixed, the stronger the viscosity is; the liquid at the feed end has extremely weak viscosity and can not be adhered to the feed end, so that the phenomenon of blocking the feed end can not occur; when liquid at the discharge end flows back under the action of gravity, the liquid is possibly adhered to the feed end to cause blockage; even back into the raw material vat.
In the present embodiment, the stirring device 4 includes a long shaft and a plurality of stirring portions provided on the long shaft at intervals; and at least part of the stirring part is connected with the inner wall of the mixing pipe 1; A. and in the process that the two liquids are conveyed from the feeding end to the discharging end, the stirring part plays a role in stirring and mixing.
In the embodiment, a discharge end of a mixing pipe 1 is sleeved with a nozzle 2 with a reduced caliber, and a feed end is sleeved with a taper pipe with an increased caliber; the two-component adhesive enters the mixing pipe 1 from the taper pipe and is mixed and sprayed out from the nozzle 2; the great one end of taper pipe bore is equipped with the internal thread for the opening in the stock solution chamber of two kinds of liquid of storage A, B is semicircle form, and it is circular that two openings are pieced together just to have the external screw thread, and this external screw thread and internal thread adaptation are connected, and two kinds of liquid of A, B get into mixing tube 1 from the stock solution chamber simultaneously under the effect of outside pressure.
Example 1:
the one-way conduction device comprises a spring 16 and a stop block 15, one end of the spring 16 is arranged at the outlet 13, and the other end of the spring is connected with the stop block 15; the inner diameter of the inlet 11 is smaller than that of the middle section 12, and the spring 16 pushes the stop block to close the inlet 11; the two-component adhesive pushes the stop block open during feeding, the inlet 11 is communicated with the outlet 13, the two-component adhesive pushes the stop block to seal the inlet 11 during backflow, and the inlet 11 is cut off from the outlet 13.
In this embodiment, the outlet 13 is provided with a radially extending collar 14, and a spring 16 is connected to the collar 14; the spring 16 does not obstruct the outlet 13; wherein, the spring 16 is in a compressed state when pushing the stopper to close the inlet 11; when liquid flows in from the inlet 11, the baffle block is pushed open, the size of the baffle block retracted into the middle end is smaller than the inner diameter of the middle end, so that the inlet is communicated with the outlet 13, and the liquid can smoothly enter the mixing pipe 1; when liquid flows in from the outlet 13, the stopper is pushed to press the inlet 11, the inlet 11 is closed, and the liquid cannot flow back to the opening of the feeding end.
Preferably, the stopper is a spherical structure, so that the resistance to the liquid can be reduced compared with a plate-shaped structure, the stopper is more easily pushed away when the liquid flows in from the inlet 11, and the situation that the stopper cannot be pushed away is avoided.
Example 2:
the unidirectional conduction device comprises a plurality of silica gel sheets 17, and the silica gel sheets 17 are arranged on the side wall of the middle section 12 and incline from the inlet 11 to the outlet 13; two adjacent silica gel pieces 17 are arranged at intervals relatively, the two-component adhesive pushes the two adjacent silica gel pieces 17 to open during feeding, the inlet 11 is communicated with the outlet 13, the two-component adhesive pushes the two adjacent silica gel pieces 17 to close and seal the inlet 11 during backflow, and the inlet 11 is cut off from the outlet 13.
In this embodiment, the silicone sheet 17 is made of a material with good flexibility, and can bend along with the flowing direction of the liquid, because the silicone sheet 17 is obliquely arranged from the inlet 11 to the outlet 13, when the liquid enters from the inlet 11, the silicone sheet 17 is impacted to bend in the direction close to the side wall, and the two silicone sheets 17 are separated and opened from each other; the liquid can smoothly enter the mixing pipe 1 from the inlet 11; when liquid flows back from the outlet 13, the silica gel sheets 17 are impacted to bend towards the direction close to and away from the side wall, the two silica gel sheets 17 are close to each other, and the liquid cannot flow back to the opening of the feeding end.
In the preferred scheme, the silicon sheets 17 are bent sheet-shaped structures, and when two adjacent silicon sheets 17 are closed to seal the inlet 11, the silicon sheets are arched towards the outlet 13; the closing effect is better when the backflow occurs; more preferably, the silica gel sheet 17 is composed of two blocks, and multiple groups can be arranged; further improving the stopping effect during reflux.
The utility model has the advantages that:
1. the middle section or the inlet and the outlet are provided with a one-way conduction structure; when feeding, the one-way conduction structure is opened, and the inlet is communicated with the outlet; the one-way conduction structure is closed during backflow, and the inlet and the outlet are cut off; compared with the prior art, the one-way conduction structure is arranged, so that the phenomenon that the feeding hole is blocked by the backflow of the two-component adhesive when the mixing pipe is inclined can be prevented; the mixing pipe can be inclined at will during spraying, so that the spraying operation is simpler;
2. the stopper is of a spherical structure, so that the resistance to liquid can be reduced relative to the plate-shaped structure, the stopper is pushed away more easily when liquid flows in from the inlet, and the situation that the stopper cannot be pushed away cannot occur.
3. The silicon sheets are of a bent sheet structure, and two adjacent silicon sheets are arched towards the outlet direction when the inlet is closed and closed; the closing effect is better when the backflow occurs;
4. the silica gel piece uses two to be a set of, can set up the multiunit, further improves the effect of ending when refluxing.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (10)
1. A one-way conduction mixing tube for spraying two-component coating is provided, one end of the mixing tube is a feeding end, and the other end is a discharging end; the mixing pipe is characterized in that the feeding end of the mixing pipe is provided with a necking part, and the necking part comprises an outlet facing the discharging end, an inlet far away from the feeding end and a middle section positioned between the inlet and the outlet; the middle section or the inlet and the outlet are provided with a one-way conduction structure; when feeding, the one-way conduction structure is opened, and the inlet is communicated with the outlet; the one-way conduction structure is closed during backflow, and the inlet and the outlet are cut off.
2. A one-way conduction mixing tube for spraying two-component coating according to claim 1, wherein the one-way conduction device comprises a spring and a stopper, one end of the spring is arranged at the outlet, and the other end of the spring is connected with the stopper; the inner diameter of the inlet is smaller than that of the middle section, and the spring pushes the stop block to close the inlet; the two-component adhesive pushes the stop block open during feeding, the inlet is communicated with the outlet, the two-component adhesive pushes the stop block to close the inlet during backflow, and the inlet and the outlet are cut off.
3. A single direction conducting mixing tube for spraying two-component coating according to claim 2 wherein the outlet is provided with a radially extending collar and the spring is connected to the collar.
4. A single direction conducting mixing tube for spraying two component coatings as claimed in claim 3 wherein the spring urges the stop to close the inlet in compression.
5. A single direction conducting mixing tube for spraying two-component coating according to claim 3, wherein the stopper is of a spherical configuration.
6. A one-way conduction mixing tube for spraying two-component coating according to claim 1, wherein the one-way conduction device comprises a plurality of silica gel sheets, the silica gel sheets are arranged on the side wall of the middle section and are inclined from the inlet to the outlet; two adjacent silica gel pieces are arranged at intervals relatively, the two-component adhesive pushes the two adjacent silica gel pieces to open during feeding, the inlet is communicated with the outlet, the two-component adhesive pushes the two adjacent silica gel pieces to close and seal the inlet during backflow, and the inlet is cut off from the outlet.
7. A single direction conducting mixing tube for spraying two-component coating according to claim 6, wherein the silicone pieces are curved pieces, and two adjacent pieces arch toward the outlet when the inlet is closed.
8. The single direction conducting mixing tube for spraying two-component coating according to any one of claims 1 to 7, further comprising a stirring device located between the outlet of the constriction and the discharge end.
9. The unidirectional flux mixing tube of claim 8 wherein the agitator comprises a major axis and a plurality of agitator sections spaced apart from the major axis; and at least part of the stirring part is connected with the inner wall of the mixing pipe.
10. The unidirectional flux mixing tube for spraying the two-component coating according to any one of claims 1 to 7, wherein a discharge end of the mixing tube is sleeved with a nozzle with a reduced caliber, and a feed end is sleeved with a conical tube with an increased caliber; the two-component adhesive enters the mixing tube from the taper tube and is mixed and sprayed out from the nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120733252.0U CN215235556U (en) | 2021-04-10 | 2021-04-10 | One-way conduction mixing tube for spraying two-component coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120733252.0U CN215235556U (en) | 2021-04-10 | 2021-04-10 | One-way conduction mixing tube for spraying two-component coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215235556U true CN215235556U (en) | 2021-12-21 |
Family
ID=79506586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120733252.0U Expired - Fee Related CN215235556U (en) | 2021-04-10 | 2021-04-10 | One-way conduction mixing tube for spraying two-component coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215235556U (en) |
-
2021
- 2021-04-10 CN CN202120733252.0U patent/CN215235556U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |