CN101332451A - Spiral nozzle module and coating device for hot-melt adhesive coating - Google Patents
Spiral nozzle module and coating device for hot-melt adhesive coating Download PDFInfo
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- CN101332451A CN101332451A CNA2007100091655A CN200710009165A CN101332451A CN 101332451 A CN101332451 A CN 101332451A CN A2007100091655 A CNA2007100091655 A CN A2007100091655A CN 200710009165 A CN200710009165 A CN 200710009165A CN 101332451 A CN101332451 A CN 101332451A
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Abstract
The invention relates to a spiral nozzle module and a coating device for coating hot melt adhesive. The spiral nozzle module comprises a module body which has the opposite top surface and bottom surface, and has definite transverse width and longitudinal width, the module body is provided with two jetting units which are arranged in parallel along the longitudinal direction, each jetting unit comprises a liquid passage, a gas passage and a plurality of jetting parts which are formed at the bottom surface of the module body and are arranged at intervals along the transverse direction, each jetting part comprises an adhesive jet orifice which is communicated with the liquid passage and a plurality of gas orifices which are distributed around the adhesive jet orifice and communicated with the gas channel, and the jetting parts of the two jetting units transversely stagger with each other. The jetting parts of the two jetting units are longitudinally arranged in parallel and transversely stagger with each other, which further shortens the transverse spacing between the hot melt adhesive filament patterns which are applied to a matrix, therefore, by adopting the same quantity of nozzle modules with the same transverse width, the coating effect with better uniformity and higher stability can be obtained.
Description
Technical field
The present invention relates to a kind of spiral nozzle module and applying device that is used for the PUR coating, be used for PUR is applied to matrix equably with spirality filament pattern.
Background technology
Existing being used for is applied to applying device on the matrix with PUR with spirality filament pattern, comprises the spiral nozzle module that is used to distribute the distributor of the gentle body of PUR liquid and is connected distributor body.
Specifically, the body of distributor is formed with PUR liquid inlet, outlet and refluxing opening and pressed gas entrance and exit, its inside has can open by pneumatic or electromagnetic mode/valve module of closed operation, PUR liquid inlet, the pressed gas inlet of distributor connect PUR liquid source of supply, gas supply source by manifold respectively, with PUR liquid and the pressed gas to distributor supply heating.When valve module is in the enable possition, distributor offers spiral nozzle by the outlet of PUR liquid with PUR liquid; In the closed position when valve module, distributor stops PUR liquid to be discharged, and by refluxing opening the PUR liquid in the distributor is turned back to source of supply, to prevent silting up of PUR.
Spiral nozzle module, comprise module body, form a spiral spray portion at the bottom surface of module body middle position, a plurality of gas passing aways that module body also has liquid discharge passage and arranges around liquid discharge passage, the gas passing away is directed to direction and with a liquid discharge passage relative rotation angle tangent with liquid discharge passage.The liquid discharge passage of spiral nozzle module, gas passing away are communicated with the outlet of PUR liquid, the pressed gas outlet of distributor respectively, when being extruded from the liquid discharge passage of spiral nozzle, PUR forms a filament, gas passing away gas jet forms vortex, and eddy airstream pulls down and forms spirality pattern with the PUR filament and is applied on the matrixes such as sanitary napkin, diaper.
Traditional spiral nozzle module can only form single PUR spirality pattern, and the pattern fabric width is bigger, coating stable bad, and collodion silk is thicker, is difficult to form uniform, fine and smooth pattern, can not produce gratifying adhesive effect.
As a kind of improvement, produced a kind of new spiral nozzle module now.With reference to Fig. 8, module body 5 bottom surfaces of this spiral nozzle module have a plurality of injection portion 51 that is provided with at interval.This spiral nozzle module reduces each pattern fabric width by forming a plurality of spaced spirality filament pattern 52 shown in Figure 9 on matrix, reaching, and improves the stability and the inhomogeneity effect of coating.
However,, obtain more excellent adhesive effect, still have the needs that improve existing spiral nozzle module in order further to improve the forming stability and the uniformity of PUR filament pattern.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of spiral nozzle module that is used for the PUR coating is provided.
The objective of the invention is at the deficiencies in the prior art, a kind of PUR applying device coating, that have spiral nozzle module that is used for is provided.
For this reason, the spiral nozzle module that is used for the PUR coating provided by the invention, it comprises having relative end face and bottom surface, and define the module body of transverse width and vertical width, it is characterized in that: module body has two injection units that longitudinally are set up in parallel, each injection unit comprises fluid passage, gas passage and a plurality of injection portion that is formed on the bottom surface of module body and arranges along the lateral separation, each injection portion comprises be communicated with fluid passage one spray glue hole and around this spray glue pore size distribution and a plurality of fumaroles of being communicated with gas passage, between each injection portion of two injection units laterally stagger mutually in the edge.
Best, each spout part of an injection unit is not aimed at the lateral separation of each injection portion of another injection unit.
Best, each injection portion comprise the recess that is formed on the module body bottom surface, from the lug boss of the bottom center projection of this recess, be formed on this lug boss top a spray glue hole, be formed on this recess and around a plurality of fumaroles of this spray glue pore size distribution.
Best, a plurality of fumaroles of each injection portion are uniformly distributed along the circumference around spray glue hole.
Best, in each injection portion around four fumaroles of spray glue pore size distribution.
Best, the fluid passage of each injection unit comprises and is formed on the module body end face and along the liquid bath of horizontal expansion and be communicated with this liquid bath respectively and a plurality of sparge pipes in the spray glue hole of each injection portion, the gas passage of each injection unit comprises and is formed on the module body end face and along the air drain of horizontal expansion and be communicated with this air drain respectively and a plurality of air jet pipes of each fumarole of each injection portion, and the sparge pipe that a plurality of air jet pipes that a plurality of fumarole was communicated with of each injection portion are communicated with around spray glue hole is symmetrically distributed and guiding and the tangent direction of this sparge pipe respectively.
Best, each injection unit comprises a liquid bath and is symmetrically distributed in vertical both sides of this liquid bath and two air drains that extend in parallel with this liquid bath.
Best, air drain from the module body end face recessed downwards and towards vertical third side to inclination.
Best, on the module body end face, be provided with the seal groove that seal can be installed around the liquid bath periphery.
Best, the edge of the longitudinal extension of module body forms the stitching section that can splice mutually.
The applying device that is used for the PUR coating provided by the invention, comprise dispenser assembly, and be installed in spiral nozzle module on the dispenser assembly, it is characterized in that: described spiral nozzle module comprises having relative end face and bottom surface, and define the module body of transverse width and vertical width, module body has two injection units that longitudinally are set up in parallel, each injection unit comprises fluid passage, gas passage and a plurality of injection portion that is formed on the bottom surface of module body and arranges along the lateral separation, each injection portion comprises be communicated with fluid passage one spray glue hole and around this spray glue pore size distribution and a plurality of fumaroles of being communicated with gas passage, between each injection portion of two injection units laterally stagger mutually in the edge; Described dispenser assembly has respectively and the fluid passage of each injection unit, the outlet of PUR liquid, the pressed gas outlet that gas passage is communicated with.
Spiral nozzle module and the applying device that is used for the PUR coating provided by the invention, compared with prior art has following beneficial effect: because a plurality of injection portion that spiral nozzle module is provided with vertically side by side, laterally staggers mutually, horizontal spacing between the feasible PUR filament pattern that is applied on the matrix further dwindles, therefore adopt the nozzle module of same transverse width and equal number, can obtain better coating effect of the uniformity, stability.
Below, be elaborated by the structure and the beneficial effect of specific embodiment to spiral nozzle module provided by the invention and applying device.
Description of drawings
Fig. 1 is the schematic bottom view of spiral nozzle module provided by the invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the end face schematic diagram of spiral nozzle module provided by the invention.
Fig. 4 is the cutaway view along A-A direction among Fig. 1.
Fig. 5 is the assembling schematic diagram of a plurality of spiral nozzle modules provided by the invention.
Fig. 6 is the schematic diagram of applying device provided by the invention.
Fig. 7 is the schematic diagram that utilizes the spirality filament pattern that spiral nozzle module provided by the invention applies.
Fig. 8 is existing a kind of schematic bottom view with spiral nozzle module of a plurality of injection portion.
Fig. 9 is the schematic diagram that utilizes the spirality filament pattern that spiral nozzle module shown in Figure 8 applies.
Preferred forms
With reference to Fig. 6, applying device provided by the invention is used for PUR is applied to matrix with spirality filament pattern.This device comprises dispenser assembly and is installed in a plurality of spiral nozzle modules 3 on the dispenser assembly.
Dispenser assembly comprises manifold module 1 and a plurality of distributors 2 that are installed in manifold module 1 side.Form PUR liquid in the manifold module 1 and supply with manifold 11, PUR liquid output manifold 12, pressed gas supply manifold 13, manifold 11 is connected between the PUR liquid inlet 21 of PUR liquid source of supply and distributor 2, manifold 12 two branched pipes are arranged and be connected to the PUR liquid outlet 22 of distributor 2 and each fluid passage of two injection units of spiral nozzle module 3 between, manifold 13 four branched pipes are arranged and be connected to the pressed gas source of supply and each gas passage of two injection units of spiral nozzle module 3 between.Also be formed with actuating gas and supply with manifold 14,15 in manifold module 1, manifold 14,15 connects the actuating gas access of distributor 2 respectively, is used for supplying with actuating gas to it.
The structure of distributor 2 and principle are known, the body of distributor is formed with PUR liquid inlet 21, outlet 22 and refluxing opening (not looking out among the figure) and activates gas access (not looking out among the figure), its inside has can open by pneumatic mode/valve module of closed operation, valve module comprises piston and valve rod, by supplying with actuating gas to activating the gas access, piston and valve rod are moved in opposite direction, thereby make the end opening and closing of fault PUR liquid outlet 22 of valve rod.When 22 of PUR liquid outlets were in opening, PUR liquid offered two injection units of spiral nozzle module 3 from exporting 22 by manifold 12; When 22 of PUR liquid outlets were in closed state, distributor stoped PUR liquid to be discharged, and by refluxing opening the PUR liquid in the distributor is turned back to source of supply, to prevent silting up of PUR.
A plurality of spiral nozzle modules 3 are installed in manifold module 1 bottom corresponding to a plurality of distributors 2.With reference to Fig. 5, a plurality of spiral nozzle modules 3 are spliced into one mutually by the following stitching section, limit, longitudinal side 312 that will describe.Referring to figs. 1 through Fig. 4, each spiral nozzle module 3 comprises: module body 31, and adopt metal such as brass to make, it has relative end face and bottom surface, and defines transverse width and vertical width respectively along horizontal direction X and longitudinal direction Y.Module body 31 also has installing hole 311, can be installed to manifold module 1 by securing member.The limit, longitudinal side of module body 31 forms step-like stitching section 312, so that a plurality of spiral nozzle module 3 can be along the horizontally-spliced one that is assembled into.Module body 31 has two injection units that Y longitudinally is set up in parallel, and each injection unit comprises fluid passage, gas passage and be formed on a plurality of injection portion of module body bottom surface, and a plurality of injection portion of each injection unit is arranged in a linear along the lateral separation.Along laterally staggering mutually, promptly each injection portion 32 of injection unit aims at the lateral separation of each injection portion 33 of injection unit respectively between each injection portion 32,33 of two injection units.
Each injection portion comprises the annular recess 341 that is formed on the module body bottom surface, from the conical boss 342 of the bottom center projection of this recess 341, be formed on a spray glue hole 343 on these boss 342 tops, four fumaroles 344 that are formed on this recess 341 and are uniformly distributed along the circumference around this spray glue hole 343.
The fluid passage of each injection unit comprises a plurality of sparge pipes 351 of a liquid bath 35 that is formed on the module body end face and the spray glue hole 343 that is communicated with this liquid bath 35 and each injection portion respectively, and liquid bath 35 is along horizontal expansion and vertically recessed from the module body end face.Be provided with seal groove 352 around liquid bath 35 peripheries, in the seal groove 352 seal can be installed, with after dispenser assembly combines, around liquid bath 35, form liquid sealing structure with convenient spiral nozzle module 3.
The gas passage of each injection unit comprises two air drains 36 that are formed on the module body end face and is communicated with air drain 36 respectively and a plurality of air jet pipes 361 of each fumarole 344 of each injection portion, two air drains 36 are symmetrically distributed in vertical both sides of liquid bath 35 and extend in parallel with this liquid bath 35, air drain 36 from the module body end face recessed downwards and towards vertical third side to inclination.
The sparge pipe 351 that a plurality of air jet pipes 361 that a plurality of fumaroles 344 of each injection portion are communicated with are communicated with around spray glue hole 343 is symmetrically distributed and the tangent direction of angle of deflection and guiding and this sparge pipe 351 respectively.Such structure can make the gas that ejects by fumarole 344 from air jet pipe 361, mode with eddy airstream affacts from the PUR filament of sparge pipe 351 by hole 343 ejections of spray glue, the PUR filament is pulled down and forms spirality pattern be applied on the matrix.
Utilize spiral nozzle module provided by the invention can on matrix, apply spirality pattern shown in Figure 7.Because each injection portion 32,33 of two injection units is along laterally staggering mutually, therefore between the spirality pattern 41 that injection portion 32 applies, also has the spirality pattern 42 that injection portion 33 applies, consequently: the spirality pattern that this spiral nozzle module applies (as shown in Figure 7), the spirality pattern 52 (as shown in Figure 9) that is applied than existing spiral nozzle module (as shown in Figure 8) has the horizontal spacing that further dwindles, and can obtain better coating effect of the uniformity, stability.
In order to be illustrated more clearly in the These characteristics of spiral nozzle module provided by the invention, below compare by specific embodiment:
In the existing spiral nozzle module with single injection portion, when spraying, each spray glue hole 343 interferes with each other influence, each sprays glue hole 343 and has a minimum lateral spacing d, for example is generally 7.5cm, and therefore minimum apart from d between the spirality pattern center line that is applied is 7.5cm.
In the spiral nozzle module provided by the invention, longitudinal pitch L between the spray glue hole 343 of two injection units is designed to 15cm, the horizontal spacing D that respectively sprays between the glue hole 343 of each injection unit is designed to 10cm, each injection portion of two injection units is along laterally staggering mutually, therefore horizontal spacing between the spray glue hole 343 of such two injection units is 5cm, and distance D only is 5cm between the spirality pattern center line that applied of the spray glue hole 343 of two injection units.
More than combine embodiment and describe the present invention, but this is not construed as limiting the invention.Any modifications and variations of having done under same design also all belong to the scope of protection of the invention.
Claims (10)
1, the spiral nozzle module that is used for the PUR coating, it comprises having relative end face and bottom surface, and define the module body of transverse width and vertical width, it is characterized in that: module body has two injection units that longitudinally are set up in parallel, each injection unit comprises fluid passage, gas passage and a plurality of injection portion that is formed on the bottom surface of module body and arranges along the lateral separation, each injection portion comprises be communicated with fluid passage one spray glue hole and around this spray glue pore size distribution and a plurality of fumaroles of being communicated with gas passage, between each injection portion of two injection units laterally stagger mutually in the edge.
2, spiral nozzle module according to claim 1 is characterized in that: each spout part of an injection unit is not aimed at the lateral separation of each injection portion of another injection unit.
3, spiral nozzle module according to claim 1 and 2 is characterized in that: each injection portion comprise the recess that is formed on the module body bottom surface, from the lug boss of the bottom center projection of this recess, be formed on this lug boss top a spray glue hole, be formed on this recess and around a plurality of fumaroles of this spray glue pore size distribution.
4, spiral nozzle module according to claim 3 is characterized in that: a plurality of fumaroles of each injection portion are uniformly distributed along the circumference around spray glue hole.
5, spiral nozzle module according to claim 3 is characterized in that: in each injection portion around spray glue pore size distribution four fumaroles.
6, spiral nozzle module according to claim 1, it is characterized in that: the fluid passage of each injection unit comprises and is formed on the module body end face and along the liquid bath of horizontal expansion, and a plurality of sparge pipes that are communicated with the spray glue hole of this liquid bath and each injection portion respectively, the gas passage of each injection unit comprises and is formed on the module body end face and along the air drain of horizontal expansion, and a plurality of air jet pipes that are communicated with each fumarole of this air drain and each injection portion respectively, and a plurality of air jet pipes that a plurality of fumarole was communicated with of each injection portion are symmetrically distributed around the sparge pipe that spray glue hole is communicated with, and lead and the tangent direction of this sparge pipe respectively.
7, spiral nozzle module according to claim 6, it is characterized in that: each injection unit comprises a liquid bath and is symmetrically distributed in vertical both sides of this liquid bath and two air drains that extend in parallel with this liquid bath, and air drain from the module body end face recessed downwards and towards vertical third side to inclination.
8, according to claim 6 or 7 described spiral nozzle modules, it is characterized in that: on the module body end face, be provided with the seal groove that seal can be installed around the liquid bath periphery.
9, spiral nozzle module according to claim 1 is characterized in that: the edge of the longitudinal extension of module body forms the stitching section that can splice mutually.
10, the applying device that is used for the PUR coating, comprise dispenser assembly, and be installed in spiral nozzle module on the dispenser assembly, it is characterized in that: described spiral nozzle module comprises having relative end face and bottom surface, and define the module body of transverse width and vertical width, module body has two injection units that longitudinally are set up in parallel, each injection unit comprises fluid passage, gas passage and a plurality of injection portion that is formed on the bottom surface of module body and arranges along the lateral separation, each injection portion comprises be communicated with fluid passage one spray glue hole and around this spray glue pore size distribution and a plurality of fumaroles of being communicated with gas passage, between each injection portion of two injection units laterally stagger mutually in the edge; Described dispenser assembly has respectively and the fluid passage of each injection unit, the outlet of PUR liquid, the pressed gas outlet that gas passage is communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100091655A CN101332451A (en) | 2007-06-28 | 2007-06-28 | Spiral nozzle module and coating device for hot-melt adhesive coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100091655A CN101332451A (en) | 2007-06-28 | 2007-06-28 | Spiral nozzle module and coating device for hot-melt adhesive coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101332451A true CN101332451A (en) | 2008-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100091655A Pending CN101332451A (en) | 2007-06-28 | 2007-06-28 | Spiral nozzle module and coating device for hot-melt adhesive coating |
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| CN (1) | CN101332451A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773180A (en) * | 2012-08-10 | 2012-11-14 | 福建省精泰设备制造有限公司 | Sizing nozzle |
| CN104399645A (en) * | 2014-11-18 | 2015-03-11 | 泉州新日成热熔胶设备有限公司 | High-precision hot melt glue nozzle and hot melt glue gun |
| WO2015039287A1 (en) * | 2013-09-17 | 2015-03-26 | 深圳市腾科系统技术有限公司 | Modular hot-melt adhesive spray head |
-
2007
- 2007-06-28 CN CNA2007100091655A patent/CN101332451A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773180A (en) * | 2012-08-10 | 2012-11-14 | 福建省精泰设备制造有限公司 | Sizing nozzle |
| WO2015039287A1 (en) * | 2013-09-17 | 2015-03-26 | 深圳市腾科系统技术有限公司 | Modular hot-melt adhesive spray head |
| CN104936706A (en) * | 2013-09-17 | 2015-09-23 | 深圳市腾科系统技术有限公司 | Modular hot-melt adhesive spray head |
| CN104399645A (en) * | 2014-11-18 | 2015-03-11 | 泉州新日成热熔胶设备有限公司 | High-precision hot melt glue nozzle and hot melt glue gun |
| WO2016078508A1 (en) * | 2014-11-18 | 2016-05-26 | 泉州新日成热熔胶设备有限公司 | High-precision hot-melt adhesive nozzle and hot-melt adhesive gun |
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Open date: 20081231 |