CN203449723U - Screen printer and drying device thereof - Google Patents
Screen printer and drying device thereof Download PDFInfo
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- CN203449723U CN203449723U CN201320553883.XU CN201320553883U CN203449723U CN 203449723 U CN203449723 U CN 203449723U CN 201320553883 U CN201320553883 U CN 201320553883U CN 203449723 U CN203449723 U CN 203449723U
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- negative pressure
- conveyer belt
- drying device
- pressure box
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Abstract
The utility model discloses a drying device of a screen printer. The drying device comprises a conveyor belt, a drying mechanism arranged above the conveyor belt and a negative pressure mechanism arranged below the conveyor belt. The conveyor belt is evenly provided with a plurality of conveyor belt vent holes, the negative pressure mechanism comprises a negative pressure box with a diffuse reflection coating on the upper surface, the upper surface of the negative pressure box is provided with a plurality of negative pressure vent holes, and negative pressure exists in the negative pressure box. The utility model further discloses a screen printer which comprises the drying device. The screen printer and the drying device thereof are simple in structure, easy to realize, and capable of effectively eliminating shadows generated in the drying process of printed products.
Description
Technical field
The utility model relates to printing technical field of processing equipment, refers to especially a kind of screen process press and drying device thereof.
Background technology
Serigraphy is a kind of traditional mode of printing, and along with various supporting technologies are as the innovation development of ink, dry technology etc., the high-grade printed matter in a lot of packages printings field all adopts serigraphy.The drying device of screen process press is all to adopt infrared or ultraviolet (UV) dry technology at present, and printing, under the transmission of conveyer belt, through area of illumination, reaches drying effect with certain speed.
With reference to accompanying drawing 1, the common drying device of existing market equipment comprises drive roll 30, driven voller 40, conveyer belt 10, drier 20, cooling mechanism 50; Printing is transported by conveyer belt, after drying mechanism 20 is dry, by cooling mechanism 50, is dispelled the heat, and finally obtains dried finished product.Conveyer belt 10 in described drying device has two kinds, banded conveyer belt and netted conveyer belt.
The shortcoming that these two kinds of conveyer belts all have is, the speed of service of drying device can not be too fast, thereby otherwise printing is difficult for laminating conveyer belt, produces drift, turnup causes shutdown.
Wherein, banded conveyer belt is when transportation printing; because carrying out dry process, drier 20 printing products can produce gas; the gas producing from printing lower surface can not form Air Flow because banded conveyer belt is airtight; printing is driven by gas and produce drift or fluctuating; the adverse consequences causing is, printing uneven drying and easily cause machine paperboard and shut down.
And netted conveyer belt is when equipment prints paperboard (every square meter grammes per square metre 200) product, be dried and there is no quality problems, but during print copper millboard (every square meter grammes per square metre 60-120) product, because print copper millboard is very thin, when print copper millboard process drier 20, the light that drier 20 projects can pass print copper millboard, the grid entity part upper surface of netted conveyer belt can reflect the light of drier 20 projections, the hollow space of netted conveyer belt directly can not produce reverberation by this projection light transmissive, will cause like this conveyer belt grid shadow (being commonly called as grid prints) of print copper millboard lower surface formation rule to cause product defective.
Utility model content
In view of this, the purpose of this utility model is to propose a kind of screen process press and drying device thereof, and it is simple in structure, be easy to realize, and can effectively eliminate the shadow that printing produces in dry run.
A kind of screen process press drying device providing based on above-mentioned purpose the utility model, comprises conveyer belt, is arranged at the drier and the negative pressure mechanism that is arranged at described conveyer belt below of conveyer belt top; On described conveyer belt, be evenly provided with a plurality of conveyer belt passages; Described negative pressure mechanism comprises that upper surface is provided with the negative pressure box of diffuse reflection coating, and described negative pressure box upper surface is provided with a plurality of negative pressure box passages, in described negative pressure box, has negative pressure.
In some embodiments, described conveyer belt consists of the endless conveyor of sealing upper strata conveyer belt and lower floor's conveyer belt, and described negative pressure box is arranged between described upper strata conveyer belt and lower floor's conveyer belt.
In some embodiments, described negative pressure mechanism also comprises negative pressure cavity and the vavuum pump that is arranged at described negative pressure box below, and described negative pressure cavity is communicated with negative pressure box, and described vavuum pump connects described negative pressure cavity, by vavuum pump, is vacuumized and is produced negative pressure.
In some embodiments, described negative pressure box width is greater than conveyer belt width, and described negative pressure cavity is threadedly connected to described negative pressure box both sides.
In some embodiments, described negative pressure mechanism be right against described drier be arranged at described conveyer belt under.
In some embodiments, described conveyer belt is netted conveyer belt.
In some embodiments, described diffuse reflection coating is rough frosted coating.
In some embodiments, the making material of described frosted coating is fluorine carbon paint.
The utility model also provides a kind of screen process press, has adopted described drying device.
As can be seen from above, the screen process press that the utility model provides and drying device thereof, by increasing the passage on negative pressure mechanism and conveyer belt be set in drying device, the suction that printing can be produced by the negative pressure mechanism conveyer belt of fitting downwards, allow printing stable with solve dry in printing " scraping " and the uneven technical problem of collection.
By applying diffuse reflection coating on negative pressure box surface, the projection light that penetrates conveyer belt passage is reflexed in printing through diffuse reflection coating, make drier light source be irradiated in printing the energy at each position basically identical, thus solve dry after printing product surface produce the technical problem of shadow.
Accompanying drawing explanation
Fig. 1 is the structural representation of the screen process press drying device of prior art;
The top view of the screen process press drying device embodiment that Fig. 2 provides for the utility model;
The front view of the screen process press drying device embodiment that Fig. 3 provides for the utility model;
The perspective view of negative pressure box and netted conveyer belt in the screen process press drying device embodiment that Fig. 4 provides for the utility model.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
With reference to accompanying drawing 2 and accompanying drawing 3, be respectively top view and the front view of the screen process press drying device embodiment that the utility model provides.
Described screen process press drying device, comprises conveyer belt, is arranged at the drier 20 of conveyer belt top and is arranged at the negative pressure mechanism 60 of described conveyer belt below, described negative pressure mechanism 60 be right against described drier 20 be arranged at described conveyer belt under; On described conveyer belt, be evenly provided with a plurality of conveyer belt passages 111 or 121(with reference to accompanying drawing 4); Described negative pressure mechanism 60 comprises that upper surface is provided with diffuse reflection coating 611(with reference to accompanying drawing 4) negative pressure box 61, and described negative pressure box 61 upper surfaces are provided with a plurality of negative pressure box passages 612, in described negative pressure box 61, have negative pressure.
Preferably, described conveyer belt consists of the endless conveyor of sealing upper strata conveyer belt 11He lower floor conveyer belt 12, described negative pressure box 61 is arranged between described upper strata conveyer belt 11He lower floor conveyer belt 12, and described conveyer belt is netted conveyer belt (with reference to accompanying drawing 4), and sizing grid is 4mm*4mm.Described negative pressure mechanism 60 also comprises negative pressure cavity 62 and the vavuum pump 63 that is arranged at described negative pressure box 61 belows, and described negative pressure cavity 62 is communicated with negative pressure box 61, and described vavuum pump 63 connects described negative pressure cavity 62, by vavuum pump 63, is vacuumized and is produced negative pressure.
Further, the width of described negative pressure box 61 is greater than the width (with reference to accompanying drawing 2) of conveyer belt, described negative pressure cavity 62 is threadedly connected to described negative pressure box 61 both sides (being the part that negative pressure box 62 is wider than conveyer belt), be that described negative pressure cavity 62 is being connected near two ends, drying device fuselage wallboard place with negative pressure box 61, can effectively avoid the interference of conveyer belt, and guarantee to form uniform negative pressure in negative pressure box 61; Preferably, described negative pressure cavity 62 adopts and is threaded with the fuselage wallboard of drying device with negative pressure box 61, can adjust as required height.Preferably, described drier 20 comprises two UV lamp boxes, and described negative pressure mechanism 60 comprises two negative pressure boxs 61, two negative pressure cavities 62 and two vavuum pumps 63.
Preferably, described diffuse reflection coating 611(is with reference to accompanying drawing 4) be rough thin frosted coating; Preferably, the making material of described frosted coating is wear-resisting fluorine carbon paint, and it is all insensitive to light and heat, makes diffuse effect best.
Further, described drying device also comprises deviation correction mechanism 80 and tension-adjusting gear 70, for correcting the displacement of conveyer belt and the tension force of adjusting conveyer belt; Preferably, described drying device also comprises the mechanisms such as conveyer belt stepless speed-regulating device and motor.
The operation principle of described screen process press drying device is now described below:
Under the effect of the ultraviolet energy of drier 20, the ink generation cross-linking reaction in printing, thus can moment become solid-state the dry of China ink layer of realizing from liquid state.In this dry run, printing is moved, ultraviolet light source in drier 20 is static, first need printing to move when accepting light energy in stable condition, next light energy that needs printing to receive is basically identical, the degree that guarantees all printings region ink cross-linking reaction is basically identical, thereby degree of drying is consistent, in last printing, can't see grid shadow.
Printing running status is controlled and is realized by described negative pressure box 61.On upper strata, conveyer belt 11(holds object plane) and lower floor's conveyer belt 12 between increase negative pressure box 61 be set, in the printing of the suction function that this negative pressure box 61 produces on upper strata conveyer belt 11, when the vavuum pump 63 being connected with negative pressure cavity 62 is worked, porose position at negative pressure box 61 can form downward suction, when the upper strata conveyer belt 11 of negative pressure box 61 tops transmits printing, printing will be close to upper strata conveyer belt 11 because of the suction that negative pressure box 61 produces and guarantee that running status is controlled, thereby assurance printing is moved in stable condition when receiving light energy.
Guarantee that the consistent measure of light energy that each region receives is the described diffuse reflection coating 611 in the upper surface increase of above-mentioned negative pressure box 61.In the drying device of prior art, when ultraviolet light penetrates after printing, part light is reflected back printing from the upper surface of conveyer belt, be equivalent to accept after-sun, conveyer belt hollow space is because of areflexia face, cause through not reflection (or reflecting negligible) of ultraviolet light, the light energy that obviously printing regional receives is had any different, degree of drying is also just inconsistent so, and being reflected in printing is exactly to present grid shadow.In the drying device providing at the utility model, the diffuse reflection coating 611 that is sprayed at negative pressure box 61 upper surfaces can reflect back the light through conveyer belt hollow space with irreflexive form, thereby guarantee that to greatest extent the light energy that the printing corresponding to hollow space and entity part receives is consistent, thereby printing degree of drying is consistent, in printing, also just can not see because of the dry inconsistent grid shadow forming.
From above-described embodiment, can find out, the screen process press drying device that the utility model provides, by increase, the passage on negative pressure mechanism and conveyer belt is set, the suction that printing can be produced by the negative pressure mechanism conveyer belt of fitting downwards, allow printing stable with solve dry in printing " scraping " and the uneven technical problem of collection.
By applying diffuse reflection coating on negative pressure box surface, the projection light that penetrates conveyer belt passage is reflexed in printing through diffuse reflection coating, make drier light source be irradiated in printing the energy at each position basically identical, thus solve dry after printing product surface produce the technical problem of shadow.
The utility model also provides a kind of screen process press, has adopted the screen process press drying device in above-described embodiment and various combination thereof, conversion.
Wherein, described screen process press drying device, comprise conveyer belt, be arranged at the drier 20 of conveyer belt top and be arranged at the negative pressure mechanism 60 of described conveyer belt below, described negative pressure mechanism 60 be right against described drier 20 be arranged at described conveyer belt under; On described conveyer belt, be evenly provided with a plurality of conveyer belt passages 111 or 121(with reference to accompanying drawing 4); Described negative pressure mechanism 60 comprises that upper surface is provided with diffuse reflection coating 611(with reference to accompanying drawing 4) negative pressure box 61, and described negative pressure box 61 upper surfaces are provided with a plurality of negative pressure box passages 612, in described negative pressure box 61, have negative pressure.
Optionally, described conveyer belt consists of the endless conveyor of sealing upper strata conveyer belt 11He lower floor conveyer belt 12, described negative pressure box 61 is arranged between described upper strata conveyer belt 11He lower floor conveyer belt 12, and described conveyer belt is netted conveyer belt (with reference to accompanying drawing 4), and sizing grid is 4mm*4mm.Described negative pressure mechanism 60 also comprises negative pressure cavity 62 and the vavuum pump 63 that is arranged at described negative pressure box 61 belows, and described negative pressure cavity 62 is communicated with negative pressure box 61, and described vavuum pump 63 connects described negative pressure cavity 62, by vavuum pump 63, is vacuumized and is produced negative pressure.
Further, the width of described negative pressure box 61 is greater than the width (with reference to accompanying drawing 2) of conveyer belt, described negative pressure cavity 62 is threadedly connected to described negative pressure box 61 both sides (being the part that negative pressure box 62 is wider than conveyer belt), be that described negative pressure cavity 62 is being connected near two ends, drying device fuselage wallboard place with negative pressure box 61, can effectively avoid the interference of conveyer belt, and guarantee to form uniform negative pressure in negative pressure box 61; Preferably, described negative pressure cavity 62 adopts and is threaded with the fuselage wallboard of drying device with negative pressure box 61, can adjust as required height.Preferably, described drier 20 comprises two UV lamp boxes, and described negative pressure mechanism 60 comprises two negative pressure boxs 61, two negative pressure cavities 62 and two vavuum pumps 63.
Preferably, described diffuse reflection coating 611(is with reference to accompanying drawing 4) be rough thin frosted coating; Preferably, the making material of described frosted coating is wear-resisting fluorine carbon paint, and it is all insensitive to light and heat, makes diffuse effect best.Further, described drying device also comprises deviation correction mechanism 80 and tension-adjusting gear 70, for correcting the displacement of conveyer belt and the tension force of adjusting conveyer belt; Preferably, described drying device also comprises the mechanisms such as conveyer belt stepless speed-regulating device and motor.
From above-described embodiment, can find out, the screen process press that the utility model provides, by increasing the passage on negative pressure mechanism and conveyer belt be set in drying device, the suction that printing can be produced by the negative pressure mechanism conveyer belt of fitting downwards, allow printing stable with solve dry in printing " scraping " and the uneven technical problem of collection.
By applying diffuse reflection coating on negative pressure box surface, the projection light that penetrates conveyer belt passage is reflexed in printing through diffuse reflection coating, make drier light source be irradiated in printing the energy at each position basically identical, thus solve dry after printing product surface produce the technical problem of shadow.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a screen process press drying device, is characterized in that, comprises conveyer belt, is arranged at the drier and the negative pressure mechanism that is arranged at described conveyer belt below of conveyer belt top; On described conveyer belt, be evenly provided with a plurality of conveyer belt passages; Described negative pressure mechanism comprises that upper surface is provided with the negative pressure box of diffuse reflection coating, and described negative pressure box upper surface is provided with a plurality of negative pressure box passages, in described negative pressure box, has negative pressure.
2. drying device according to claim 1, is characterized in that, described conveyer belt consists of the endless conveyor of sealing upper strata conveyer belt and lower floor's conveyer belt, and described negative pressure box is arranged between described upper strata conveyer belt and lower floor's conveyer belt.
3. drying device according to claim 1, it is characterized in that, described negative pressure mechanism also comprises negative pressure cavity and the vavuum pump that is arranged at described negative pressure box below, and described negative pressure cavity is communicated with negative pressure box, described vavuum pump connects described negative pressure cavity, by vavuum pump, is vacuumized and is produced negative pressure.
4. drying device according to claim 3, is characterized in that, described negative pressure box width is greater than conveyer belt width, and described negative pressure cavity is threadedly connected to described negative pressure box both sides.
5. drying device according to claim 1, is characterized in that, described negative pressure mechanism be right against described drier be arranged at described conveyer belt under.
6. drying device according to claim 1, is characterized in that, described conveyer belt is netted conveyer belt.
7. according to the drying device described in claim 1-6 any one, it is characterized in that, described diffuse reflection coating is rough frosted coating.
8. drying device according to claim 7, is characterized in that, the making material of described frosted coating is fluorine carbon paint.
9. a screen process press, is characterized in that, has adopted the drying device as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320553883.XU CN203449723U (en) | 2013-09-06 | 2013-09-06 | Screen printer and drying device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320553883.XU CN203449723U (en) | 2013-09-06 | 2013-09-06 | Screen printer and drying device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203449723U true CN203449723U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320553883.XU Expired - Fee Related CN203449723U (en) | 2013-09-06 | 2013-09-06 | Screen printer and drying device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203449723U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434265A (en) * | 2013-09-06 | 2013-12-11 | 常德金鹏印务有限公司 | Screen printing machine and drying device of screen printing machine |
| CN104354455A (en) * | 2014-11-24 | 2015-02-18 | 苏州瑞日纺织科技有限公司 | Cloth fixing device of printing machine |
| CN105252890A (en) * | 2015-10-14 | 2016-01-20 | 芜湖美威包装品有限公司 | Packing board printing conveyer belt |
-
2013
- 2013-09-06 CN CN201320553883.XU patent/CN203449723U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434265A (en) * | 2013-09-06 | 2013-12-11 | 常德金鹏印务有限公司 | Screen printing machine and drying device of screen printing machine |
| CN103434265B (en) * | 2013-09-06 | 2016-06-22 | 常德金鹏印务有限公司 | A kind of screen process press and drying device thereof |
| CN104354455A (en) * | 2014-11-24 | 2015-02-18 | 苏州瑞日纺织科技有限公司 | Cloth fixing device of printing machine |
| CN105252890A (en) * | 2015-10-14 | 2016-01-20 | 芜湖美威包装品有限公司 | Packing board printing conveyer belt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140226 Termination date: 20180906 |