CN215233374U - Mixing tube with transverse gradient for spraying two-component coating - Google Patents
Mixing tube with transverse gradient for spraying two-component coating Download PDFInfo
- Publication number
- CN215233374U CN215233374U CN202120726111.6U CN202120726111U CN215233374U CN 215233374 U CN215233374 U CN 215233374U CN 202120726111 U CN202120726111 U CN 202120726111U CN 215233374 U CN215233374 U CN 215233374U
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- Prior art keywords
- mixing tube
- stirring
- mixing
- stirring device
- component
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- Expired - Fee Related
Links
- 238000002156 mixing Methods 0.000 title claims abstract description 103
- 238000005507 spraying Methods 0.000 title claims abstract description 18
- 239000011248 coating agent Substances 0.000 title claims abstract description 15
- 238000000576 coating method Methods 0.000 title claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 115
- 238000007599 discharging Methods 0.000 claims abstract description 24
- 239000000853 adhesive Substances 0.000 claims description 37
- 230000001070 adhesive effect Effects 0.000 claims description 37
- 239000000203 mixture Substances 0.000 claims description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 3
- 230000003068 static effect Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a mixing tube with transverse gradient for spraying two-component coating, belonging to the technical field of static mixing tubes, which comprises a mixing tube and a stirring device arranged in the mixing tube; one end of the mixing pipe is a feeding end, the other end of the mixing pipe is a discharging end, and the stirring device is arranged between the feeding end and the discharging end; the stirring device comprises a long shaft and a plurality of stirring parts which are arranged on the long shaft at intervals; the size of the stirring part is gradually increased along the direction from the feeding end to the discharging end; compared with the prior art, through setting up stirring portion on the agitating unit according to horizontal gradient for the mixing ability of the different positions of agitating unit and A, B component's mixed degree phase-match prevent to appear mixing the condition inhomogeneous and jam mixing tube.
Description
Technical Field
The utility model belongs to the technical field of static hybrid tube, specifically be a hybrid tube that has transverse gradient for two ingredient coating of spraying.
Background
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 are one of normal temperature hardening adhesives; the common two-component adhesive in the market is a two-component polyurethane adhesive, has the characteristic of quick drying, and has the advantages of higher temperature and shorter drying time.
The two-component adhesive sold in the market is characterized in that two liquids are independently stored by adopting different packaging bottles, a certain amount of A, B components are respectively extruded when the two liquids are used, and the two liquids are pressed into a static mixing tube by a high-pressure gun and are immediately sprayed out from a nozzle after being stirred in the static mixing tube; however, the mixed double-component adhesive has strong viscosity and quick curing time, the sizes of the stirring parts of the stirring devices in the existing static mixing pipes are the same, and the mixing capacities of all positions in the mixing pipes are the same; the A, B components are mixed in different positions of the stirring device to different degrees, and the mixture has different viscosity, so the mixing is not uniform and the mixing pipe is easy to be blocked.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the technology, the utility model provides a mixing tube with transverse gradient for spraying two-component coating, which comprises a hollow mixing tube and a stirring device contained in the mixing tube; through setting up stirring portion on the agitating unit according to horizontal gradient for the mixing ability of the different positions of agitating unit and A, B component's mixed degree phase-match prevent to appear mixing inhomogeneous and the circumstances of jam mixing tube.
In order to achieve the above object, the present invention provides a mixing tube with transverse gradient for spraying two-component coating, comprising a mixing tube and a stirring device accommodated in the mixing tube; one end of the mixing pipe is a feeding end, the other end of the mixing pipe is a discharging end, and the stirring device is arranged between the feeding end and the discharging end; the stirring device comprises a long shaft and a plurality of stirring parts which are arranged on the long shaft at intervals; and the size of the stirring part is gradually increased along the direction from the feeding end to the discharging end.
According to the specific scheme, the stirring part is of a threaded structure and is arranged on the long shaft in a surrounding mode, and the major diameter of the threaded structure is gradually increased along the direction from the feeding end to the discharging end.
Preferably, the major diameter size of the thread structure is changed according to an arithmetic progression, and the major diameter size is 1-7 mm.
Preferably, the number of turns of the thread is 16-24.
According to the alternative scheme of the scheme, the stirring part is a stirring sheet, the stirring sheet is provided with a curved surface structure which drives the mixture to advance when the stirring sheet rotates relative to the mixture, one end of the stirring sheet is connected with the long shaft, the other end of the stirring sheet protrudes out of the long shaft, and the distance from the protruding part to the long shaft is gradually increased along the direction from the feeding end to the discharging end.
In a specific embodiment, the distance from the protruding portion to the major axis is 3-8 mm.
In a specific scheme, the stirring device is accommodated in the mixing pipe and is connected with or separated from 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 opening of the taper tube and is mixed and sprayed out from the nozzle.
In the preferred scheme, the stirring device is made of metal, and a polytetrafluoroethylene layer is arranged on the surface of the stirring device.
In an alternative of the above scheme, the stirring device is made of polytetrafluoroethylene.
The utility model has the advantages that: the utility model provides a mixing tube with transverse gradient for spraying two-component coating, which comprises a mixing tube and a stirring device arranged in the mixing tube; one end of the mixing pipe is a feeding end, the other end of the mixing pipe is a discharging end, and the stirring device is arranged between the feeding end and the discharging end; the stirring device comprises a long shaft and a plurality of stirring parts which are arranged on the long shaft at intervals; the size of the stirring part is gradually increased along the direction from the feeding end to the discharging end; compared with the prior art, through setting up stirring portion on the agitating unit according to horizontal gradient for the mixing ability of the different positions of agitating unit and A, B component's mixed degree phase-match prevent to appear mixing the condition inhomogeneous and jam mixing tube.
Drawings
FIG. 1 is a structural diagram of a stirring device with a stirring part of a thread structure according to the present invention;
FIG. 2 is a structural view of a stirring device with stirring blades in the stirring part of the present invention;
FIG. 3 is an exploded view of the mixing tube structure of the present invention;
fig. 4 shows the whole structure of the mixing tube of the present invention.
The main element symbols are as follows:
100. a mixing tube; 110. a feeding end; 120. a discharge end; 200. a stirring device; 210. a long axis; 220. a stirring section; 300. a nozzle; 400. a taper pipe.
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, the stirring parts of the stirring device in the existing static mixing tube are uniformly distributed at intervals, and A, B components of the two-component adhesive are mixed in different positions of the stirring device to different degrees, so that the mixture is different in viscosity, and the conditions of uneven mixing and blockage of the mixing tube are easy to occur; based on this, the utility model provides a mixing tube with transverse gradient for spraying two-component coating, which comprises a mixing tube 100 and a stirring device 200 accommodated in the mixing tube 100; one end of the mixing pipe 100 is a feeding end 110, the other end is a discharging end 120, and the stirring device 200 is arranged between the feeding end 110 and the discharging end 120; the stirring device 200 includes a long shaft 210 and a plurality of stirring parts 220 arranged on the long shaft 210 at intervals; and the size of the stirring part 220 becomes gradually smaller in the direction from the feeding end 110 to the discharging end 120.
Compared with the prior art, the size of the stirring part 220 on the stirring device 200 is arranged along the transverse gradient, so that the mixing capability of different positions of the stirring device 200 is matched with the mixing degree of the A, B components, and the conditions of uneven mixing and blockage of the mixing pipe 100 are prevented; wherein, the longitudinal direction is the direction of the bicomponent adhesive moving along the feeding end 110 to the discharging end 120 in the mixing pipe 100; the transverse direction is a direction perpendicular to the longitudinal direction.
In this embodiment, the discharge end 120 of the mixing tube 100 is sleeved with a nozzle 300 with a reduced caliber, and the feed end 110 is sleeved with a taper tube 400 with an increased caliber; the large caliber of the taper pipe 400 is used for being connected with two external storage cavities, the two external storage cavities are respectively stored with a component A and a component B of the two-component adhesive, and under the action of a high-pressure air gun, the component A and the component B are sent into the mixing pipe 100 and continuously move towards the nozzle 300 until being sprayed out from the nozzle 300; the stirring device 200 mixes the two components during the movement of the a component and the B component toward the nozzle 300, and ejects the mixture of the two components.
In the mixing process, the two components are mixed by means of the stirring part 220 of the stirring device 200, and the larger the size of the stirring part 220 is, the finer the mixing is; conversely, the smaller the size of the stirring section 220, the coarser the mixing; on the premise of a certain angular velocity, the linear velocity is higher when the diameter of the stirring part is larger; the more uniform the stirring is; the structure of the utility model is suitable for two-component adhesive with large viscosity, especially the viscosity of the adhesive is more than 10000 cps; at this time, if the size of the stirring part 220 is too large, the two-component adhesive is uniformly mixed and slightly cured before reaching the nozzle, so that the adhesive is easily adhered to the wall of the stirring device 200 or the mixing tube 100 to block the mixing tube 100; if the size of the stirring part 220 is too small, the mixing degree of the adhesive is easily insufficient, and the uniformity of the finally sprayed mixture is poor; the stirring part 220 of the utility model is arranged according to gradient, so that the mixing capability of different positions of the stirring device 200 is matched with the mixing degree of A, B components, and the more the A, B components are close to the 300 end of the nozzle, the more uniform the mixing is; finally, the uniformly mixed adhesive is sprayed out of the nozzle 300; meanwhile, preferably, the inner diameter of the outlet end of the mixing tube 100 is larger than that of the inlet end, so that liquid can flow fast at the outlet end, can be sprayed out easily, and is not easy to block the mixing tube.
Example 1:
the two-component adhesive is Nomak EP100, and the Nomak EP100 is a two-component room temperature curing liquid adhesive; when mixed with proper amount of curing agent, it can produce very high adhesion strength, and may be used in adhering polyurethane, polyurea paint and concrete, polyethylene and fabric, wood and timber. The compound comprises a component A, EP100 and a component B: EP 100H; the component A and the component B are introduced into the stirring device in the mixing tube with the transverse gradient for spraying the two-component coating according to the weight ratio of 100:44.5 and the volume ratio of 2:1 for mixing.
In this example, the stirring portion 220 is a screw structure, and is disposed around the long shaft 210, and the major diameter of the screw structure gradually increases from the feeding end 110 to the discharging end 120; the tearing strength of the mixed adhesive sprayed out of the nozzle is 40-50N/mm; the adhesive is uniformly mixed and has strong viscosity; wherein the tear strength is tested using ASTM D624 standard; when the conventional stirring part with equal size is selected for mixing, the tearing strength of the mixed adhesive sprayed out of the nozzle is only 30-39N/mm on the premise that the adhesive does not block the mixing pipe; it can be seen that the utility model discloses a gluing agent performance that the mixed A, B component of hybrid tube that has a transverse gradient for spraying two ingredient coating obtained has 25% -33% promotion.
Example 2:
on the basis of example 1, the major diameter size of the stirring part 220 is varied in an arithmetic progression and is 1 to 7 mm; the tearing strength of the adhesive sprayed by the nozzle is 48-50N/mm; the adhesive sprayed by the nozzle is uniformly mixed and has strong viscosity; the adhesive performance is improved by 16% -25% on the basis of the adhesive of example 1.
In this embodiment, the number of turns is 16-24.
Example 3:
on the basis of the example 1, the stirring part 220 is a stirring sheet, the stirring sheet has a curved surface structure which drives the mixture to advance when the stirring sheet rotates relative to the mixture, and the size of the stirring sheet gradually increases along the direction from the feeding end 110 to the discharging end 120; one end of the stirring sheet is connected with the long shaft 210, the other end of the stirring sheet protrudes out of the long shaft 210, and the distance from the protruding part to the long shaft 210 gradually increases along the direction from the feeding end 110 to the discharging end 120; and the distance from the protruding portion to the major axis 210 is 3-8 mm; the tearing strength of the adhesive sprayed out of the nozzle is 44-45N/mm; the adhesive sprayed by the nozzle is uniformly mixed and has strong viscosity; the adhesive performance is improved by 8-12.5% on the basis of example 1.
In another specific scheme, the stirring part is a stirring sheet, the stirring sheet is provided with a curved surface structure which drives the mixture to advance when the stirring sheet rotates relative to the mixture, one end of the stirring sheet is connected with the long shaft, and the other end of the stirring sheet protrudes out of the long shaft.
In this embodiment, the stirring device 200 is accommodated in the mixing tube 100, the stirring device 200 is detachably connected or fixedly connected with the mixing tube 100, and the stirring device 200 does not move during the movement of the component a and the component B toward the nozzle 300; the adhesive and the stirring device 200 relatively rotate under the action of the stirring part 220; preferably, the stirring device 200 is only accommodated in the mixing pipe 100 and separated from the mixing pipe 100, and the stirring device 200 rotates and rotates relative to the adhesive during the movement of the component a and the component B toward the nozzle 300; the mixture is more uniform.
In a preferred embodiment, the stirring device 200 is made of metal, and a polytetrafluoroethylene layer is disposed on the surface of the stirring device 200; the polytetrafluoroethylene layer and the metal material have good adhesion, and are not compatible with the adhesive; preventing the occurrence of clogging of the mixing tube 100; alternatively, the stirring device 200 is made of teflon.
The utility model has the advantages that:
1. the stirring device comprises a long shaft and a plurality of stirring parts which are arranged on the long shaft at intervals; the size of the stirring part is gradually increased along the direction from the feeding end to the discharging end; compared with the prior art, the stirring part on the stirring device is arranged according to the transverse gradient, so that the mixing capacity of different positions of the stirring device is matched with the mixing degree of the A, B components, and the conditions of uneven mixing and blockage of a mixing pipe are prevented;
2. in the preferred scheme, the stirring device is made of metal, and a polytetrafluoroethylene layer is arranged on the surface of the stirring device; the polytetrafluoroethylene layer and the metal material have good adhesion, and are not compatible with the adhesive; the blockage of the mixing pipe is prevented;
3. the stirring part is of a thread structure, the major diameter size of the thread structure is changed according to an arithmetic progression, and the major diameter size value is 1-7 mm; the number of the stirring parts is 16-24; the finally sprayed adhesive has good mixing effect and does not block the mixing pipe.
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 mixing tube with transverse gradient for spraying two-component coating comprises a mixing tube and a stirring device accommodated in the mixing tube; one end of the mixing pipe is a feeding end, the other end of the mixing pipe is a discharging end, and the stirring device is arranged between the feeding end and the discharging end; the stirring device is characterized by comprising a long shaft and a plurality of stirring parts which are arranged on the long shaft at intervals; and the size of the stirring part is gradually increased along the direction from the feeding end to the discharging end.
2. The mixing tube with transverse gradient for two-component paint spraying as claimed in claim 1, wherein the stirring portion is a screw thread structure disposed around the long axis, and the major diameter of the screw thread structure increases gradually from the feeding end to the discharging end.
3. The mixing tube with transverse gradient for spraying two-component paint as claimed in claim 2, characterized in that the major diameter dimension of the thread structure varies in an arithmetic progression and is 1-7 mm.
4. A mixing tube with transverse gradient for two-component paint spray coating according to claim 3 characterized in that the number of turns is 16-24.
5. The mixing tube with transverse gradient for spraying two-component coating according to claim 1, wherein the stirring part is a stirring sheet having a curved structure for driving the mixture to advance when the stirring sheet rotates relative to the mixture, and one end of the stirring sheet is connected to the long shaft, the other end of the stirring sheet protrudes out of the long shaft, and the distance from the protruding part to the long shaft gradually increases along the direction from the feeding end to the discharging end.
6. A mixing tube with transverse gradient for two-component coating material according to claim 5, characterized in that the distance of the projections to the long axis is 3-8 mm.
7. The mixing tube with transverse gradient for two-component coating material application according to claim 1, characterized in that the stirring device is accommodated in the mixing tube, connected to the mixing tube or separated from one another.
8. The mixing tube with transverse gradient for spraying two-component coating according to claim 1, wherein the discharge end of the mixing tube is sleeved with a nozzle with a reduced caliber, and the feed end is sleeved with a conical tube with an increased caliber; the two-component adhesive enters the mixing tube from the opening of the taper tube and is mixed and sprayed out from the nozzle.
9. The mixing tube with transverse gradient for two-component paint spraying as claimed in claim 1, wherein the stirring device is made of metal and the surface of the stirring device is provided with a polytetrafluoroethylene layer.
10. The mixing tube with transverse gradient for two-component paint spray coating of claim 1 wherein the stirring device is a polytetrafluoroethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120726111.6U CN215233374U (en) | 2021-04-10 | 2021-04-10 | Mixing tube with transverse gradient for spraying two-component coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120726111.6U CN215233374U (en) | 2021-04-10 | 2021-04-10 | Mixing tube with transverse gradient for spraying two-component coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215233374U true CN215233374U (en) | 2021-12-21 |
Family
ID=79506416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120726111.6U Expired - Fee Related CN215233374U (en) | 2021-04-10 | 2021-04-10 | Mixing tube with transverse gradient for spraying two-component coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215233374U (en) |
-
2021
- 2021-04-10 CN CN202120726111.6U patent/CN215233374U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |