CN102357453B - Coating machine hot air dryer and special irregular air nozzle thereof - Google Patents
Coating machine hot air dryer and special irregular air nozzle thereof Download PDFInfo
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- CN102357453B CN102357453B CN 201110325857 CN201110325857A CN102357453B CN 102357453 B CN102357453 B CN 102357453B CN 201110325857 CN201110325857 CN 201110325857 CN 201110325857 A CN201110325857 A CN 201110325857A CN 102357453 B CN102357453 B CN 102357453B
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Abstract
The invention provides a coating machine hot air dryer, which comprises a drying channel, a conveyer belt and an air nozzle. The conveyor belt penetrates through the drying channel, and at least one air nozzle is arranged in the drying channel along the conveying direction. The air nozzle comprises a cover body, an air outlet is arranged on the cover body, and the air outlet direction of the air outlet is opposite to a belt face of the conveyor belt. The air outlet is in a strip shape, the long side of the strip-shaped air outlet corresponds to the width direction of the conveyor belt, and a middle opening of the strip-shaped air outlet is larger than openings at two ends of the strip-shaped air outlet. The coating machine hot air dryer and the special irregular air nozzle of the coating machine hot air dryer have the advantages of adopting the irregular air nozzle with the middle opening larger than the openings at two ends, thereby enabling hot air passing through the air nozzle to be distributed with different air quantity due to the fact that openings in the long strip direction are different, achieving the purpose that the middle of coating on a base plate difficult to heat is especially heated and dried, and finally achieving the purpose that the middle and the periphery of the coating are together dried continuously. The problems of gaps, cracking and even curling are solved.
Description
Technical field
The present invention relates to film industry on the material, refer in particular to a kind of special-shaped tuyere for the coating machine hot-air seasoning.
Background technology
Coating machine is a kind of special equipment that is mainly used in the coating production of BOPP joint sealing adhesive tape.Its production technology is generally: at first with the base material of rolling, as: paper, cloth, leather, aluminium foil, plastic sheeting etc. are coated with glue, coating or the printing ink etc. of last layer specific function, oven dry then, last rolling.Adopt special-purpose high-speed coating head in the process, can effectively reduce the generation of bubble, and the unwinding and rewinding of coating machine all dispose at full speed and meet film mechanism automatically, tension closed loop is controlled automatically.
Existing hot-air seasoning and the infrared oven dry dual mode of mainly containing of the baking operation of above-mentioned production wherein, wherein infrared drying mode mainly is by infrared emittance being set in drying tunnel, carrying out heated baking by infrared mode to covering cated pedestal.Yet in existing coating machine technology, still be that hot-air seasoning is comparatively commonly used.Concrete, hot-air seasoning is by a conveyer belt, and substrate is placed on it, enter in the drying tunnel, in the drying tunnel at interval be provided with the hot blast tuyere in substrate one side, its coating is dried up to substrate by the hot gas that blows out in the tuyere.Yet, as Fig. 1, because production process floating coat 200 is sprayed on the base material 100, and general coating 200 must be provided with certain interval 101 all around with base material 100, therefore enter above-mentioned hot-air seasoning drying tunnel after blowing heating when substrate 100, because substrate 100 is different with coating 200 materials, there is the different problem of heat absorption rate, it is special when substrate 100 is metal material, the metal material heat absorption is very fast, substrate 100 carrying coatings 200 will exist different with the rate of heat addition of not carrying coating 200 parts, this is just to causing coating 200 can have the inhomogeneous fatal problem of center and edge received heat in drying course, therefore breach often easily appears in the coating 200 after the drying, defective such as dry and cracked even curling causes product rejection.
Trace it to its cause, have following some:
1, existing stoving process and equipment are very unreasonable in the oven dry to coating, only simple the pursuit evenly sent to dry wind in the fabric width scope of substrate 100, but ignore the existing problem of non-uniform of being heated of heat transfer characteristic between drying course base material 100 and the coating 200, finally caused the finished product rate not high.
2, the tuyere of existing hot-air seasoning equipment only simple designs be elongated rectangular shape, though its dry wind of sending is sent to from vertical fabric width that has guaranteed substrate 100, being heated of having ignored but that heat transfer characteristic between drying course base material 100 and the coating 200 brings is inhomogeneous, and namely its structure is very unreasonable.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of coating machine air flow dryer and special-purpose special-shaped tuyere thereof that can evenly toast coating is provided.
The object of the present invention is achieved like this: a kind of coating machine air flow dryer, and it comprises drying tunnel, conveyer belt and tuyere, described conveyer belt runs through drying tunnel, is provided with at least one tuyere along direction of transfer in the drying tunnel; Described tuyere comprises cover body, and cover body is provided with air outlet, and the air-out direction of described air outlet is relative with the zone face of described driving-belt; Described air outlet is bar shaped, and the long limit of bar shaped air outlet is corresponding with conveyer belt width direction, and the intermediate openings of bar shaped air outlet is greater than its both ends open;
In the said structure, between described air outlet middle part and two ends linearly transition be connected;
In the said structure, be the camber line transition between described air outlet middle part and two ends and be connected;
In the said structure, the A/F at described bar shaped air outlet middle part is 7 with both ends open width ratio: (4-6);
In the said structure, the upper and lower side of corresponding conveyer belt is provided with tuyere in the described drying tunnel.
The invention still further relates to a kind of special-shaped tuyere that is exclusively used in claim 1 coating machine air flow dryer, it comprises cover body, and cover body is provided with air outlet; Described air outlet is bar shaped, and the intermediate openings of bar shaped air outlet is greater than its both ends open;
In the said structure, between described air outlet middle part and two ends linearly transition be connected;
In the said structure, described air outlet assumes diamond in shape;
In the said structure, be the camber line transition between described air outlet middle part and two ends and be connected;
In the said structure, the A/F at described bar shaped air outlet middle part is 7 with both ends open width ratio: (4-6).
Than common elongated rectangular shape tuyere, beneficial effect of the present invention has been to adopt the special-shaped tuyere of intermediate openings greater than its both ends open, feasible hot blast through tuyere, because it presents the large and small distribution of different air quantity in rectangular direction openings of sizes difference, thereby reach emphatically the purpose to coating middle part heated baking on the substrate that is difficult to heat, and finally reach in the middle of the coating and more always oven dry purpose all around, avoid the generation of breach, dry and cracked even curling problem.
Description of drawings
Below in conjunction with accompanying drawing in detail concrete structure of the present invention is described in detail:
Fig. 1 has covered the substrate schematic diagram of coating for drying course;
Fig. 2 is coating machine air flow dryer structural representation of the present invention;
Fig. 3 is special-shaped tuyere embodiment one structural representation of the present invention;
Fig. 4 is special-shaped tuyere embodiment two structural representations of the present invention.
The 100-substrate; The 101-gap; The 200-coating; The 1-tuyere; The 2-air outlet; The 3-drying tunnel; The 4-conveyer belt; The a-both ends open; The b-intermediate openings.
The specific embodiment
By describing technology contents of the present invention, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 2, a kind of coating machine air flow dryer of the present invention, it comprises tuyere 1, drying tunnel 3 and conveyer belt 4.Wherein conveyer belt 4 runs through drying tunnel 3, and drying tunnel 3 is provided with a plurality of tuyeres 1 along direction of transfer.Common, the substrate 100 that scribbles coating 200 is positioned over and enters in the drying tunnel 3 on the conveyer belt 4, preferable herein, the upper and lower side of corresponding conveyer belt 4 is provided with tuyere 1 in the drying tunnel 3, can better in drying tunnel 3, form the circulation of baking air channel thus, reinforcement is to the baking of substrate 100, and the air-out direction of the air outlet of tuyere 1 is relative with the zone face of described driving-belt 4.
For improving the defective of original dryer, the utility model provides a kind of special-shaped tuyere 1 that is exclusively used in above-mentioned air flow dryer, shown in Fig. 3,4, it comprises cover body, and cover body is provided with air outlet 2, and described air outlet 2 is bar shaped, the long limit of bar shaped air outlet 2 is corresponding with conveyer belt 4 widths, with final corresponding with coating 200 fabric widths of the substrate 100 that is placed on it, and in order to improve air-out, the bar shaped air outlet 2 intermediate openings b of the utility model tuyere 1 are greater than its both ends open a.
As an embodiment, as Fig. 3, between air outlet 2 middle parts of tuyere 1 and two ends linearly transition be connected, integral body is the shape of class rhombus.
Again as another embodiment, as Fig. 4, be the camber line transition between air outlet 2 middle parts of tuyere 1 and two ends and be connected.
Above-mentioned two embodiment can make through the hot blast of tuyere 1, because it presents the large and small distribution of different air quantity in rectangular direction openings of sizes difference, thereby reach emphatically the purpose to coating 200 middle part heated bakings on the substrate 100 that is difficult to heat, and finally reach in the middle of the coating 200 and more always oven dry purpose all around, avoid the generation of breach, dry and cracked even curling problem.
Preferable, the corresponding common thick coating 200 of 100-180 μ m, the intermediate openings b of special-shaped tuyere 1 is 7 with the A/F ratio of its both ends open a: (4-6), best, when coating 200 thickness during at 100-130 μ m, the intermediate openings b of special-shaped tuyere 1 is 7: 5 with the A/F ratio of both ends open a.
According to experiment, the situation that adopts the special-shaped tuyere 1 of the present invention to dry is as follows:
According to last table as can be known, after adopting this special-shaped tuyere 1 small in ends broad in the middle, can significantly reduce the edge and centre synchronous drying time of error of coating, and when the intermediate openings b of special-shaped tuyere 1 is more bigger than number with its both ends open a, the edge of coating is with middle drying time synchronously, error was more little, namely make and the drying of carrying out that coating 200 edges and middle part can be more synchronous can effectively prevent the breach that brings because drying is asynchronous, dry and cracked, curling problem.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. coating machine air flow dryer, it is characterized in that: it comprises drying tunnel, conveyer belt and tuyere, described conveyer belt runs through drying tunnel, is provided with at least one tuyere along direction of transfer in the drying tunnel; Described tuyere comprises cover body, and cover body is provided with air outlet, and the air-out direction of described air outlet is relative with the zone face of described driving-belt; Described air outlet is bar shaped, and the long limit of bar shaped air outlet is corresponding with conveyer belt width direction, and the intermediate openings of bar shaped air outlet is greater than its both ends open.
2. coating machine air flow dryer as claimed in claim 1 is characterized in that: between described air outlet middle part and two ends linearly transition be connected.
3. coating machine air flow dryer as claimed in claim 1 is characterized in that: be the camber line transition between described air outlet middle part and two ends and be connected.
4. as any described coating machine air flow dryer of claim 1-3, it is characterized in that: the A/F at described bar shaped air outlet middle part is 7:(4-6 with both ends open width ratio).
5. coating machine air flow dryer as claimed in claim 4, it is characterized in that: the upper and lower side of corresponding conveyer belt is provided with tuyere in the described drying tunnel.
6. special-shaped tuyere that is exclusively used in claim 1 coating machine air flow dryer, it is characterized in that: it comprises cover body, cover body is provided with air outlet; Described air outlet is bar shaped, and the intermediate openings of bar shaped air outlet is greater than its both ends open.
7. the special-shaped tuyere for the coating machine hot-air seasoning as claimed in claim 6 is characterized in that: between described air outlet middle part and two ends linearly transition be connected.
8. the special-shaped tuyere for the coating machine hot-air seasoning as claimed in claim 7, it is characterized in that: described air outlet assumes diamond in shape.
9. the special-shaped tuyere for the coating machine hot-air seasoning as claimed in claim 6 is characterized in that: be the camber line transition between described air outlet middle part and two ends and be connected.
10. as any described special-shaped tuyere for the coating machine hot-air seasoning of claim 6-9, it is characterized in that: the A/F at described bar shaped air outlet middle part is 7:(4-6 with both ends open width ratio).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110325857 CN102357453B (en) | 2011-10-24 | 2011-10-24 | Coating machine hot air dryer and special irregular air nozzle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110325857 CN102357453B (en) | 2011-10-24 | 2011-10-24 | Coating machine hot air dryer and special irregular air nozzle thereof |
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| Publication Number | Publication Date |
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| CN102357453A CN102357453A (en) | 2012-02-22 |
| CN102357453B true CN102357453B (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110325857 Active CN102357453B (en) | 2011-10-24 | 2011-10-24 | Coating machine hot air dryer and special irregular air nozzle thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794260B (en) * | 2012-08-28 | 2015-01-14 | 深圳市浩能科技有限公司 | Single-side-blow air nozzle and drying oven with same |
| CN104999789A (en) * | 2015-08-11 | 2015-10-28 | 杨峥雄 | Efficient drying box for printing and coating machine |
| CN107866934A (en) * | 2017-11-17 | 2018-04-03 | 鹤山市信必达新型环保材料科技有限公司 | A kind of safe and efficient laminating adhesive formula heat sealing adhesive tape production platform |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3194085B2 (en) * | 1997-10-27 | 2001-07-30 | 株式会社ヒラノテクシード | Web drying processing apparatus and web drying processing method |
| CN201327277Y (en) * | 2008-12-03 | 2009-10-14 | 常州永盛包装有限公司 | Air-flow type drying box for drying coating of spoke-shape material |
| CN101850327A (en) * | 2009-10-23 | 2010-10-06 | 简甦 | Nozzle heating type drying equipment |
| CN202410957U (en) * | 2011-10-24 | 2012-09-05 | 深圳市浩能科技有限公司 | Hot air drier for coater and special abnormal-shape blast nozzles thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11188303A (en) * | 1997-12-26 | 1999-07-13 | Trinity Ind Corp | Drying oven |
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- 2011-10-24 CN CN 201110325857 patent/CN102357453B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3194085B2 (en) * | 1997-10-27 | 2001-07-30 | 株式会社ヒラノテクシード | Web drying processing apparatus and web drying processing method |
| CN201327277Y (en) * | 2008-12-03 | 2009-10-14 | 常州永盛包装有限公司 | Air-flow type drying box for drying coating of spoke-shape material |
| CN101850327A (en) * | 2009-10-23 | 2010-10-06 | 简甦 | Nozzle heating type drying equipment |
| CN202410957U (en) * | 2011-10-24 | 2012-09-05 | 深圳市浩能科技有限公司 | Hot air drier for coater and special abnormal-shape blast nozzles thereof |
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| CN102357453A (en) | 2012-02-22 |
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