CN220386849U - Nozzle structure - Google Patents
Nozzle structure Download PDFInfo
- Publication number
- CN220386849U CN220386849U CN202321942936.7U CN202321942936U CN220386849U CN 220386849 U CN220386849 U CN 220386849U CN 202321942936 U CN202321942936 U CN 202321942936U CN 220386849 U CN220386849 U CN 220386849U
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- CN
- China
- Prior art keywords
- nozzle
- glue spraying
- glue
- seat
- support
- Prior art date
- 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.)
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- 239000003292 glue Substances 0.000 claims abstract description 151
- 238000005507 spraying Methods 0.000 claims abstract description 107
- 238000000576 coating method Methods 0.000 claims abstract description 36
- 239000011248 coating agent Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 16
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 23
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model relates to the technical field of slit coating, and discloses a nozzle structure, which consists of a support, a glue spraying seat and a nozzle, wherein the glue spraying seat and the nozzle are arranged in a cavity formed in the support, an integrated glue spraying pipe is arranged on the glue spraying seat, and the integrated glue spraying pipe has no joint, so that the problem of leakage at the joint is solved, the leakage of glue can be better prevented, the stability of the coating process is improved, the cross section size of a channel of the glue spraying pipe is sequentially reduced from an inlet end of the glue to an outlet end of the glue, the glue spraying flow can be limited, the cross section size of the channel is gradually reduced, the glue spraying speed can be increased, so that the liquid glue is promoted to be sprayed out more uniformly, the energy of glue spraying is improved, the glue can be better adhered to the coating surface to form a more compact and uniform coating film, the tungsten carbide coating is sprayed on the outer surface of the nozzle, the wear resistance is improved, and the service life of the nozzle is prolonged.
Description
Technical Field
The utility model belongs to the technical field of slit coating, and particularly relates to a nozzle structure.
Background
The principle of slot coating is that the aim of uniformly covering the surface of a coated object with coating is achieved by controlling the size of a slot at the outlet of a coating nozzle and the movement of the coating nozzle, and the coating nozzle in a slot coating die head plays a key role;
in the prior art, the glue spraying seat on the nozzle structure of the slot coating die head is formed by butt joint of an upper part and a lower part, so that a glue spraying pipeline for supplying glue to the nozzle is spliced, the glue spraying pipeline is formed by a plurality of spliced parts, the leakage problem of the joint is easy to occur, glue overflows or the nozzle is blocked, the splicing structure is difficult to maintain and clean, if the splice is blocked or leaked, a plurality of parts are required to be disassembled for repairing, and the difficulty and complexity of maintenance are increased.
Disclosure of Invention
The present utility model is directed to a nozzle structure for solving the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a nozzle structure comprises a support, a glue spraying seat and a nozzle;
the support is provided with a cavity;
the glue spraying seat is arranged in the cavity, a glue spraying pipe is arranged on the glue spraying seat, and the cross section size of a channel of the glue spraying pipe is sequentially reduced from a glue inlet end to a glue outlet end;
the nozzle is also arranged in the cavity and is propped against the front side surface of the glue spraying seat, the nozzle is formed by combining an upper lip nozzle and a lower lip nozzle, and a glue spraying opening communicated with a glue spraying pipe and used for coating glue spraying is arranged between the upper lip nozzle and the lower lip nozzle.
Preferably, the cross section of the channel of the spray hose is U-shaped, and the upper surface and the lower surface of the upper channel of the spray hose are respectively positioned on the respective horizontal surfaces.
Preferably, a liquid leakage preventing gasket is arranged between the nozzle and the glue spraying seat.
Preferably, the nozzle is fixed with the glue spraying seat, the liquid leakage preventing gasket and the support by bolts penetrating through the glue spraying seat, the liquid leakage preventing gasket and the support, and the bolts are positioned at the upper end and the lower end of the nozzle and are arranged in four groups in a bilateral symmetry mode.
Preferably, the support is provided with a convex part which is sleeved and limited on the outer side surface of the nozzle.
Preferably, a concave positioning groove is formed in the cavity of the support, and the convex plate on the glue spraying seat is matched and spliced with the positioning groove.
Preferably, the support is provided with four mounting angles with holes, so that the whole nozzle structure is conveniently mounted on the coating machine.
Preferably, the outer surface of the nozzle is sprayed with a tungsten carbide coating, in the prior art, the nozzle is made of carbon steel and is severely worn after being sprayed with glue for a period of time, and the nozzle needs to be replaced, because granular media exist in the glue for coating, the glue flow rate is high during spraying, and the tungsten carbide coating is plated on the surface of the nozzle, so that the wear resistance can be increased, and the service life of the nozzle is prolonged.
The utility model has the technical effects and advantages that:
according to the nozzle structure, the glue spraying pipe is directly arranged on the glue spraying seat and is used as an integral glue spraying pipe with the glue spraying seat, and the integral glue spraying pipe is not spliced, so that the problem of leakage at the joint is solved, the leakage of glue can be better prevented, the stability of the coating process is improved, and the integral glue spraying pipe is simpler and easy to maintain and clean because of no spliced part, and when the integral glue spraying pipe needs to be repaired or cleaned, the whole glue spraying seat is only required to be detached;
the size of the channel section of the glue spraying pipe is sequentially reduced from the glue inlet end to the glue outlet end, so that the glue spraying pipe is of a variable-diameter design, the size of the channel section is gradually reduced to limit the glue spraying flow, the size of the channel section is gradually reduced to increase the glue spraying speed, so that the liquid glue is more uniformly sprayed out, the energy of glue spraying is improved, the glue is better adhered to a coating surface to form a more compact and uniform coating film, the size of the channel section is gradually reduced to reduce the volume of the glue in the glue spraying pipe, and the waste of the glue in a glue spraying system is reduced;
the outer surface of the nozzle is sprayed with a tungsten carbide coating, the nozzle is made of carbon steel for chromium plating in the prior art, and the nozzle is seriously worn and needs to be replaced after being sprayed with glue for a period of time, because granular media exist in the glue for coating, the glue flow rate is high during spraying, the tungsten carbide coating is plated on the surface of the nozzle, the wear resistance is improved, and the service life of the nozzle is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the nozzle of the present utility model;
FIG. 3 is a left cross-sectional view of FIG. 1 in accordance with the present utility model;
FIG. 4 is a front view of the glue spraying seat of the present utility model;
FIG. 5 is a schematic view of the structure of the glue inlet end of the glue spraying pipe of the present utility model;
fig. 6 is a schematic structural view of the glue outlet end of the glue spraying pipe of the present utility model.
In the figure: 1. a support; 2. a cavity; 3. a glue spraying seat; 4. spraying a rubber tube; 5. a glue inlet end; 6. a glue outlet end; 7. a nozzle; 71. an upper lip mouth; 72. a lower lip mouth; 73. a glue spraying port; 74. a tungsten carbide coating; 8. a liquid leakage preventing gasket; 9. a bolt; 10. a boss; 11. a positioning groove; 12. a convex plate; 13. and (5) mounting angles with holes.
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.
The utility model provides a nozzle structure as shown in figures 1-6, which comprises a support 1, a glue spraying seat 3 and a nozzle 7; the support 1 is provided with a cavity 2, the glue spraying seat 3 is arranged in the cavity 2, and the nozzle 7 is also arranged in the cavity 2 and is abutted against the front side surface of the glue spraying seat 3;
the glue spraying seat 3 is provided with a glue spraying pipe 4, and the cross section size of the glue spraying pipe 4 is sequentially reduced from a glue inlet end 5 to a glue outlet end 6;
the glue spraying pipe 4 is directly arranged on the glue spraying seat 3, the glue spraying pipe 4 integrated with the glue spraying seat 3 is used as the glue spraying pipe 4, the joint leakage problem does not exist, the glue leakage can be better prevented, the stability of the coating process is improved, the joint is not used, the integrated glue spraying pipe 4 is simpler, easy to maintain and clean, when repair or cleaning is needed, the whole glue spraying seat 3 is only required to be detached, a plurality of parts are not required to be disassembled, the operation and maintenance work are convenient, the integrated glue spraying pipe 4 is relatively firm and stable in structure, is not easy to erode and wear by glue, the service life of the nozzle 7 can be prolonged, the replacement frequency is reduced, the maintenance cost is reduced, the integrated glue spraying pipe 4 can better maintain the continuity of a flow channel during processing and manufacturing, no connecting gap is provided, the glue spraying flow channel is better in smoothness, the glue spraying nozzle 7 sprays more uniformly, and the problems such as secant are not easy to occur.
The cross-sectional size of the channel of the glue spraying pipe 4 is sequentially reduced from the glue inlet end 5 to the glue outlet end 6, so that the glue spraying pipe 4 is of a reducing design, the glue spraying flow can be limited by gradually reducing the cross-sectional size of the channel, the glue spraying speed can be increased by gradually reducing the cross-sectional size of the channel, so that the liquid glue is more uniformly sprayed, the energy of glue spraying is improved, the glue is better adhered to a coating surface, a more compact and uniform coating film is formed, the volume of the glue in the glue spraying pipe 4 can be reduced by gradually reducing the cross-sectional size of the channel, and the waste of the glue in a glue spraying system is reduced.
The nozzle 7 is formed by combining an upper lip mouth 71 and a lower lip mouth 72, and a glue spraying opening 73 communicated with the glue spraying pipe 4 and used for coating glue spraying is arranged between the upper lip mouth 71 and the lower lip mouth 72.
The cross section of the channel of the glue spraying pipe 4 is U-shaped, the upper surface and the lower surface of the upper channel of the glue spraying pipe 4 are respectively positioned on respective horizontal planes, the channel is the U-shaped glue spraying pipe 4, cleaning and maintenance are easy, the U-shaped structure can push liquid glue to a higher position, so that the pressure of the liquid glue in the glue spraying pipe 4 is increased, the glue spraying flow rate and the glue spraying speed can be increased, the glue spraying pipe is suitable for the situation that a large amount of glue is required to be sprayed, the U-shaped structure of the channel enables the liquid glue to have larger liquid pressure when flowing in a pipeline, the uniform flowing of the glue is maintained, the uniform glue spraying distribution can be realized, and the problem of uneven coating caused by uneven glue spraying is avoided.
A liquid leakage preventing gasket 8 is arranged between the nozzle 7 and the glue spraying seat 3 to prevent glue leakage.
The nozzle 7 is fixed together with the glue spraying seat 3, the leakage-proof gasket 8 and the support 1 through the bolts 9 penetrating through the glue spraying seat 3, the leakage-proof gasket 8 and the support 1, the bolts 9 are positioned at the upper end and the lower end of the nozzle 7 and are arranged in four groups in a bilateral symmetry mode, and the combined installation and the fixation of the nozzle 7, the glue spraying seat 3, the leakage-proof gasket 8 and the support 1 are facilitated.
The support 1 is provided with a convex part 10 which is sleeved and limited on the outer side surface of the nozzle 7 and is used for limiting and positioning the nozzle 7 and the glue spraying seat 3 after being installed.
The die cavity 2 of the support 1 is provided with a concave positioning groove 11, and a convex plate 12 on the glue spraying seat 3 is matched and inserted with the positioning groove 11, so that the glue spraying seat 3 is positioned and installed conveniently.
Four mounting angles 13 with holes are arranged on the support 1, so that the whole nozzle 7 structure is conveniently mounted on a coating machine.
In this technical scheme, as shown in fig. 2, the outer surface of the nozzle 7 is sprayed with a tungsten carbide coating 74, in the prior art, the nozzle 7 is chrome plated with carbon steel material, after a period of time of glue spraying processing, the nozzle 7 is severely worn and must be replaced, because granular media are present in the glue for coating, the glue flow rate is fast during spraying, the tungsten carbide coating 74 is plated on the surface of the nozzle 7, the wear resistance is increased, and the service life of the nozzle 7 is prolonged.
The spray nozzle structure comprises a support 1, a spray rubber seat 3 and a spray nozzle 7, wherein the spray rubber seat 3 and the spray nozzle 7 are arranged in a cavity 2 formed in the support 1, an integrated spray rubber pipe 4 is arranged on the spray rubber seat 3, the channel section size of the spray rubber pipe 4 is sequentially reduced from a glue inlet end 5 to a glue outlet end 6, the spray rubber seat 3 is matched and spliced with a positioning groove 11 on the support 1 through a convex plate 12, the spray rubber seat 3 is positioned, then a liquid leakage prevention gasket 8 is arranged, an upper lip 71 and a lower lip 72 are butted at the front side of the liquid leakage prevention gasket 8, and the spray nozzle 7, the spray rubber seat 3, the liquid leakage prevention gasket 8 and the support 1 are fixedly assembled through bolts 9, so that the spray nozzle structure is convenient to assemble;
when the nozzle 7, the glue spraying seat 3 and the glue spraying pipe 4 are required to be cleaned, the bolt 9 is taken down, and the nozzle 7 and the glue spraying seat 3 are taken out for cleaning.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. A nozzle arrangement, comprising:
the support (1), offer the die cavity (2) on the said support (1);
the glue spraying seat (3), the glue spraying seat (3) is arranged in the cavity (2), the glue spraying seat (3) is provided with a glue spraying pipe (4), and the cross section size of the channel of the glue spraying pipe (4) is sequentially reduced from the glue inlet end (5) to the glue outlet end (6);
the nozzle (7) is also arranged in the cavity (2) and is abutted against the front side surface of the glue spraying seat (3), the nozzle (7) is formed by combining an upper lip nozzle (71) and a lower lip nozzle (72), and a glue spraying opening (73) communicated with the glue spraying pipe (4) and used for coating glue spraying is arranged between the upper lip nozzle (71) and the lower lip nozzle (72).
2. A nozzle arrangement according to claim 1, wherein: the cross section of the channel of the spray hose (4) is U-shaped, and the upper surface and the lower surface of the upper channel of the spray hose (4) are respectively positioned on the respective horizontal planes.
3. A nozzle arrangement according to claim 1, wherein: a liquid leakage preventing gasket (8) is arranged between the nozzle (7) and the glue spraying seat (3).
4. A nozzle arrangement according to claim 3, wherein: the spray nozzle (7) is fixed with the spray seat (3), the leakage-proof gasket (8) and the support (1) through bolts (9) penetrating through the spray nozzle and the spray seat (3), the leakage-proof gasket (8) and the support (1), and the bolts (9) are positioned at the upper end and the lower end of the spray nozzle (7) and are arranged in four groups in a bilateral symmetry mode.
5. A nozzle arrangement according to claim 1, wherein: the support (1) is provided with a convex part (10) which is sleeved and limited on the outer side surface of the nozzle (7).
6. A nozzle arrangement according to claim 1, wherein: the die cavity (2) of the support (1) is provided with a concave positioning groove (11), and the convex plate (12) on the glue spraying seat (3) is matched and spliced with the positioning groove (11).
7. A nozzle arrangement according to claim 1, wherein: four mounting angles (13) with holes are arranged on the support (1).
8. A nozzle arrangement according to claim 1, wherein: the outer surface of the nozzle (7) is sprayed with a tungsten carbide coating (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321942936.7U CN220386849U (en) | 2023-07-24 | 2023-07-24 | Nozzle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321942936.7U CN220386849U (en) | 2023-07-24 | 2023-07-24 | Nozzle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220386849U true CN220386849U (en) | 2024-01-26 |
Family
ID=89601470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321942936.7U Active CN220386849U (en) | 2023-07-24 | 2023-07-24 | Nozzle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220386849U (en) |
-
2023
- 2023-07-24 CN CN202321942936.7U patent/CN220386849U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |