CN117162676A - Drying device for processing digital printing paper - Google Patents
Drying device for processing digital printing paper Download PDFInfo
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- CN117162676A CN117162676A CN202311142221.8A CN202311142221A CN117162676A CN 117162676 A CN117162676 A CN 117162676A CN 202311142221 A CN202311142221 A CN 202311142221A CN 117162676 A CN117162676 A CN 117162676A
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- 238000001035 drying Methods 0.000 title claims abstract description 102
- 238000007639 printing Methods 0.000 title claims abstract description 94
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 238000005057 refrigeration Methods 0.000 claims abstract description 22
- 238000007791 dehumidification Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000007664 blowing Methods 0.000 claims description 17
- 238000012795 verification Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 230000008602 contraction Effects 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 29
- 239000007788 liquid Substances 0.000 description 34
- 238000005516 engineering process Methods 0.000 description 10
- 238000007599 discharging Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
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- 238000009825 accumulation Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 239000004744 fabric Substances 0.000 description 6
- 238000004043 dyeing Methods 0.000 description 5
- 239000004753 textile Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 238000010023 transfer printing Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003906 humectant Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- -1 printing and dyeing Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a drying device for processing digital printing paper, which relates to the technical field of printing machinery and has the technical key points that: comprises a box body, wherein a conveying mechanism, a drying mechanism and a dehumidifying mechanism are arranged in the box body; the conveying mechanism comprises two groups of conveying roller groups for conveying the digital printing paper, and the two groups of conveying roller groups divide the space in the box body into low-temperature areas at two sides and a high-temperature area in the middle; the drying mechanism is used for drying the digital printing paper after ink jet and comprises a first hot air component and two split-flow components, and the first hot air component is arranged above the high-temperature area; the dehumidification mechanism comprises a refrigeration assembly, a drying assembly and a collection assembly, wherein the refrigeration assembly is arranged in the shunt tube and is attached to the lower part of the shunt arc plate; according to the invention, the low-temperature areas are arranged on the two sides of the high-temperature area, so that the preheating and heat-preserving functions are added, the drying degree and the drying effect are improved, and the technical problem of insufficient drying effect is solved.
Description
Technical Field
The invention relates to the technical field of printing machinery, in particular to a drying device for processing digital printing paper.
Background
The textile technology is the traditional prop industry in China and comprises five parts of textile, printing and dyeing, chemical fiber, clothing and special textile equipment manufacturing, wherein the traditional printing and dyeing technology comprises the steps of printing dye on cloth, shaping through water boiling high-temperature treatment, and finally fixing the color on the cloth by drying. Along with the progress of society, the printing and dyeing industry also enters a high-speed development period, and the equipment and technical level are obviously improved; the new printing technology includes the steps of pre-treatment, dyeing, printing and finishing of textile material, and the dyeing is to make the dye and the fiber combine chemically or physically and chemically, to coat one layer of special coating on the transfer printing paper, to print ink on the transfer printing paper with printer, to heat the transfer printing paper and cloth, to transfer the ink onto the cloth and to set, to complete the printing work.
The digital printing technology is a high and new technology which integrates mechanical and electronic information technologies into a whole and is gradually formed along with the continuous development of computer technologies, and the digital printing technology is developed and perfected. Digital printing is a technology for printing by digital technology, the working principle of a digital printing machine is basically the same as that of an ink-jet printer, and ink drops with various colors are sprayed on cloth or printing paper by a spray head to form a printing pattern. In order to ensure printing effect and quality, printed cloth or printing paper often needs to be dried and then is rolled by a rolling mechanism.
The existing drying device of the digital printing paper printer is poor in drying effect, the possible drying degree of the ink on the digital printing paper is insufficient, and the drying effect is provided with a lifting space.
Disclosure of Invention
The invention aims to provide a drying device for processing digital printing paper, which improves the drying effect.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the drying device for processing the digital printing paper comprises a box body, wherein a conveying mechanism, a drying mechanism and a dehumidifying mechanism are arranged in the box body;
the two ends of the box body are respectively provided with a feed inlet and a discharge outlet for passing through digital printing paper;
the conveying mechanism comprises two groups of conveying roller groups for conveying the digital printing paper, wherein one group of conveying roller groups is used for guiding the digital printing paper subjected to ink jet to enter the box body, and the other group of conveying roller groups is used for guiding the dried digital printing paper to be discharged out of the box body; the two groups of conveying roller groups divide the space in the box body into low-temperature areas at two sides and high-temperature areas in the middle;
the drying mechanism is used for drying the digital printing paper after ink jet, and comprises a first hot air component and two diversion components, wherein the first hot air component is arranged above a high-temperature area and is used for providing high-temperature hot air for the high-temperature area, the two diversion components are respectively arranged below two groups of conveying roller groups, the diversion components comprise a current limiting arc plate which is matched with the lower parts of the conveying roller groups and is used for limiting hot air to flow back, a current guiding arc plate is fixedly arranged on one side of the current limiting arc plate, facing the first hot air component, of the current guiding arc plate, and used for guiding the hot air to the lower parts of the conveying roller groups; the flow limiting arc plate, the flow guiding arc plate and the flow dividing arc plate form a flow dividing pipe, and two sides of the flow dividing pipe are sealed by sealing blocks;
the bottom ends of the current-limiting arc plate and the current-guiding arc plate are the connection parts with the current-dividing arc plate;
the dehumidification mechanism comprises a refrigeration component, a drying component and a collection component, wherein the refrigeration component is arranged in the shunt pipe and is attached to the lower part of the shunt arc plate, the refrigeration component is used for helping water vapor in hot air to meet condensation knots, the drying component is communicated with an air inlet of the first hot air component, the drying component is used for providing dry air for the first hot air component, the collection component comprises a collection funnel arranged under the refrigeration component, and the inlet height of the collection funnel is lower than the height of the inner bottom surface of the box body.
By adopting the scheme, when the device is used, the digital printing paper after ink jet is fed into the box body through the feed inlet, is guided by the two groups of conveying roller groups and is discharged from the discharge outlet, and in the process, the drying mechanism and the dehumidifying mechanism dry the ink jet on the digital printing paper, so that the whole process is shorter, and the dehumidifying mechanism is arranged, so that the air humidity in the box body is lower, and the drying effect is better; the space of the box body is divided into a low-temperature area at two sides and a high-temperature area at the middle part by the two groups of conveying roller groups, the first hot air component downwards provides hot air towards the high-temperature area, the hot air has kinetic energy, firstly moves downwards, and the hot air flows to the lower part of the high-temperature area under the action of the guide arc plate, and as the general entropy value of the hot air is higher and the density is lower, the hot air floats upwards, and in the floating process after the kinetic energy of the hot air is lost, the hot air flows to the low-temperature area under the guide of the guide arc plate, so that the heat is provided for the low-temperature area, and the energy waste is reduced; the current limiting arc plate is used for limiting hot gas reflux in a low-temperature area to a certain extent to form a temperature gradient; the invention has two low temperature areas on two sides of the high temperature area; the low temperature area close to the feed inlet can preheat the digital printing paper, and the preheating can help to reduce the heating time, so that the subsequent drying effect in the high temperature area can be improved; the low-temperature area close to the discharge port can be used for preserving heat for the digital printing paper, so that the too fast drop of the surrounding environment is avoided, the drying time is prolonged, and the drying effect can be further improved; it should be noted that, the two low temperature areas and the high temperature area have more gaps, air circulation exists, the temperature difference is not too large, but the temperature gradient exists; the lowest part (the tail end of the bottom can be understood as the lowest part) of the limiting arc plate and the diversion arc plate is the joint part with the diversion arc plate, namely the limiting arc plate and the diversion arc plate are not provided with a effusion area, and effusion can flow out from the lowest part of the limiting arc plate and the diversion arc plate, so that the dehumidification is convenient; the ink jet contains moisture, after drying, the hot gas contains water vapor, a refrigeration component of the dehumidifying mechanism is attached to the lower part of the split-flow arc plate, the water vapor in the hot gas contacts with the lower part of the split-flow arc plate and then condenses, condensed liquid drops drop into a collecting funnel, the collecting funnel discharges the condensed liquid drops, and the moisture in the box body is reduced; the drying component dries the air, the dried air enters the box body through the first hot air component, and the liquid in the ink jet is easier to dry because the hot air is dry, so that the drying effect is improved; the liquid in the ink jet ink not only refers to water, but also comprises organic solvents in a coloring agent, a humectant, a PH regulator and the like; according to the invention, the low-temperature areas are arranged on the two sides of the high-temperature area, so that the preheating and heat-preserving functions are increased, and the drying degree and the drying effect are improved; according to the invention, the cooling assembly and the collecting assembly are arranged, so that water vapor in hot air is condensed and discharged, moisture is reduced, and drying air is provided through the drying mechanism, so that the drying degree and the drying effect are improved.
Preferably, the first hot air component comprises a first hot air blower, a first lifting cylinder and an air inlet pipe, wherein a fixed part of the first lifting cylinder is fixed on the box body, a movable part of the first lifting cylinder is connected with the first hot air blower, a movable opening for the first hot air blower to move is formed in the top wall of the box body, and the side wall of the hot air blower is in sliding fit with the inner wall of the movable opening; the first air heater is communicated with the drying assembly through an air inlet pipe, and the drying assembly is an air dryer.
Preferably, one of the arc guide plates is provided with a temperature sensor, the temperature sensor is electrically connected with the first lifting cylinder through a stroke controller, the stroke controller controls the expansion and contraction amount of the first lifting cylinder according to the temperature value detected by the temperature sensor, and the temperature value of the temperature sensor is inversely related to the expansion and contraction amount of the first lifting cylinder.
Preferably, the conveying roller set comprises a driving roller and a driven roller, two driving motors for driving the two driving rollers are respectively arranged on the outer side of the box body, the two driven rollers are connected with the box body through second lifting cylinders, movable parts of the second lifting cylinders are rotationally connected with the driven roller, two heating arc plates are arranged in the box body, cambered surfaces of the two heating arc plates are respectively in sliding fit with outer walls of the two driving rollers, and the shunt assembly is fixedly connected with movable parts of the second lifting cylinders.
Preferably, the lower part of the flow distribution arc plate is provided with a water accumulation point, the side wall of the opening of the collecting funnel is rotationally connected with a drainage rod through a rotating shaft, a torsion spring is sleeved on the rotating shaft, and one end, far away from the rotating shaft, of the drainage rod is abutted to the water accumulation point of the flow distribution arc plate.
Preferably, the two collecting funnels are communicated through a converging pipe, the bottom of the converging pipe is communicated with a vertical liquid discharge pipe, one side of the liquid discharge pipe is communicated with a return pipe for hot air return, the return pipe is communicated with a low-temperature area in the box body through a circulating pump, and the bottom of the liquid discharge pipe is provided with an inverted cone-shaped liquid discharge dropper.
Preferably, the device further comprises an air blowing mechanism arranged at the discharge port, the air blowing mechanism comprises an air blowing frame fixedly connected with the box body, an air blower is fixedly arranged on the air blowing frame, a discharge roller set is rotationally arranged on the air blowing frame, the discharge roller set is used for tensioning digital printing paper when the digital printing paper is discharged, the direction of the air blower is biased to the discharge roller set, and an air inlet of the air blower is communicated with the drying assembly.
Preferably, the device further comprises a verification mechanism, wherein the verification mechanism is arranged between the air blower and the discharge roller set, the verification mechanism comprises a contact plate fixedly connected with the air outlet frame, one surface of the contact plate is in sliding contact with the printing surface of the digital printing paper, one side, far away from the discharge port, of the contact plate is provided with a high-definition camera, the high-definition camera is in signal connection with an image recognition module, and the image recognition module is electrically connected with an alarm; the image signal shot by the high-definition camera is transmitted into the image recognition module, and when the image recognition module recognizes the ink trace, an alarm is sent to an alarm by an alarm signal, and the alarm gives an alarm.
Preferably, the second hot air assemblies are arranged above the two low temperature areas, the second hot air assemblies are arranged as second hot air fans, and the two second hot air fans face the first hot air assemblies.
Preferably, the refrigeration assembly is provided as a refrigeration sheet.
The invention has the following beneficial effects:
1. according to the invention, the space of the box body is divided into two side low-temperature areas and a middle high-temperature area by the two groups of conveying roller groups, the first hot air component downwards provides hot air towards the high-temperature area, the hot air has kinetic energy and moves downwards firstly, the hot air flows to the lower part of the high-temperature area under the action of the guide arc plate, and as the general entropy value of the hot air is higher and the density is lower, the hot air floats upwards, and in the floating process after the kinetic energy of the hot air is lost, the hot air flows to the low-temperature area under the guidance of the guide arc plate, so that the heat is provided for the low-temperature area, and the energy waste is reduced; the invention has two low temperature areas on two sides of the high temperature area; the low temperature area close to the feed inlet can preheat the digital printing paper, and the preheating can help to reduce the heating time, so that the subsequent drying effect in the high temperature area can be improved; the low temperature area near the discharge gate can preserve heat for the digital printing paper, avoids the too fast decline of surrounding environment, prolongs the stoving time, can further improve the stoving effect, has solved the insufficient technical problem of stoving effect.
2. The refrigeration component of the dehumidification mechanism is attached to the lower part of the diversion arc plate, water vapor in hot gas is condensed when contacting with the lower part of the diversion arc plate, condensed liquid drops drop into the collection funnel, and the collection funnel discharges the condensed liquid drops, so that the moisture in the box body is reduced; the drying component dries air, and the dried air enters the box body through the first hot air component, so that the liquid in the ink jet is dried more easily due to the fact that the hot air is dry, and the drying effect is improved.
3. The distance between the air heater and the digital printing paper can be adjusted through the first telescopic cylinder, so that different high temperatures (the closer the temperature is, the higher the temperature is) are provided for the digital printing paper, when the temperature sensor detects that the temperature is higher than a preset value, an electric signal is transmitted to a stroke controller of the first telescopic cylinder, and the stroke controller controls the first telescopic cylinder to shrink, so that the first air heater is far away from the digital printing paper, and the temperature is reduced; when the temperature detected by the temperature sensor is lower than the preset temperature, the first telescopic cylinder is controlled to extend, so that the first hot air machine is close to the digital printing paper, the temperature is increased, and the drying temperature of the digital printing paper is ensured to be stable.
4. After the circulating pump is started, hot air driving the high temperature area enters the box again through the collecting funnel, the flow combining pipe, the liquid discharging pipe and the return pipe; the circulating pump helps hot gas flow back from the high temperature region to the low temperature region, so that heat waste is reduced; after the circulating pump is started, negative pressure can be generated at the collecting funnel to accelerate the dropping of condensed liquid drops and improve the dehumidification effect.
5. The drainage rod is arranged and is in contact with the water accumulation point of the diversion arc plate, and the diversion arc plate is driven by the second lifting cylinder to lift, so that the drainage rod is in contact with the lowest part of the diversion arc plate under the action of the torsion spring, and when droplets are condensed at the lower part of the diversion arc plate, the drainage rod can guide the liquid into the collecting hopper, so that the droplets are accelerated to enter the collecting hopper, and the dehumidification effect is improved.
6. The blowing mechanism and the verification mechanism can blow the digital printing paper after the digital printing paper is discharged, and the temperature is reduced and the dehumidification of the last step is carried out, so that the drying effect is improved; the discharging roller set of the blowing mechanism is used for straightening the digital printing paper, so that the subsequent blow-drying treatment is facilitated; the blower blows air towards the direction of the discharging roller group, cools and dries for the last time.
7. The verification mechanism can verify the condition of incomplete drying; the image signal shot by the high-definition camera of the verification mechanism is transmitted into the image recognition module, and when the image recognition module recognizes the ink trace, an alarm is sent to an alarm by an alarm signal; when the verification mechanism verifies that the ink is dragged by the trace, the user is reminded of timely maintenance processing through the alarm.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective schematic cross-sectional view (feed direction) of example 1 of the present invention.
Fig. 2 is a schematic perspective view (discharging direction) of example 1 of the present invention.
Fig. 3 is a schematic view of the drainage rod structure in embodiment 2 of the present invention.
Fig. 4 is a schematic diagram of the blowing mechanism and the verification mechanism in embodiment 3 of the present invention.
Fig. 5 is a cross-sectional view in example 4 of the present invention.
In the figure: 1. a case; 101. a feed inlet; 102. a discharge port; 211. a drive roll; 212. driven roller; 213. a driving motor; 214. a second lifting cylinder; 215. heating the arc plate; 221. a first lifting cylinder; 222. a first air heater; 223. an air inlet pipe; 224. a temperature sensor; 203. a shunt assembly; 231. a current limiting arc plate; 232. a diversion arc plate; 233. a shunt arc plate; 234. a closing block; 301. a refrigeration assembly; 302. a drying assembly; 303. a collection assembly; 331. a collection funnel; 332. a flow combining pipe; 333. a liquid discharge pipe; 334. a return pipe; 335. a circulation pump; 336. a liquid discharge dropper; 401. a drainage rod; 402. a torsion spring; 501. an air blowing frame; 502. a discharge roller set; 503. a blower; 601. high definition camera; 602. an alarm; 603. a contact plate; 7. and a second hot air assembly.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Example 1
The drying device for processing the digital printing paper comprises a box body 1, wherein a conveying mechanism, a drying mechanism and a dehumidifying mechanism are arranged in the box body 1; two ends of the box body 1 are respectively provided with a feed inlet 101 and a discharge outlet 102 for passing through digital printing paper; the conveying mechanism comprises two groups of conveying roller groups for conveying the digital printing paper, wherein one group of conveying roller groups is used for guiding the digital printing paper subjected to ink jet to enter the box body 1, and the other conveying roller group is used for guiding the dried digital printing paper to be discharged out of the box body 1; the two groups of conveying roller groups divide the space in the box body 1 into low-temperature areas at two sides and high-temperature areas in the middle; the average temperature in the high temperature area is generally 70-80 ℃, and is regulated according to different thickness requirements of the digital printing paper, and the average temperature in the low temperature area is generally 45-70 ℃, so that the low temperature area is only equivalent to the high temperature area and is higher than the room temperature;
the drying mechanism is used for drying the digital printing paper after ink jet, the drying mechanism comprises a first hot air component and two diversion components 203, the first hot air component is arranged above a high-temperature area, the first hot air component is used for providing high-temperature hot air for the high-temperature area, the two diversion components 203 are respectively arranged below two groups of conveying roller groups, the diversion components 203 comprise current-limiting arc plates 231 which are matched with the lower parts of the conveying roller groups, the current-limiting arc plates 231 are used for limiting hot air backflow, a current-guiding arc plate 232 is fixedly arranged on one side of the current-limiting arc plates 231, facing the first hot air component, of the current-guiding arc plates 232 are used for guiding hot air to the lower parts of the conveying roller groups, the current-limiting arc plates 231 and the bottoms of the current-guiding arc plates 232 are connected with the current-guiding arc plates 233, and the current-guiding arc plates 233 are used for guiding hot air below the conveying roller groups to the low-temperature area; the current-limiting arc plate 231, the current-guiding arc plate 232 and the current-dividing arc plate 233 form a current-dividing pipe, and two sides of the current-dividing pipe are sealed by sealing blocks 234, so that the current-dividing pipe becomes a sealed cavity; the bottom ends of the current-limiting arc plate 231 and the current-guiding arc plate 232 are the connection parts with the current-dividing arc plate 233;
the dehumidification mechanism comprises a refrigeration component 301, a drying component 302 and a collection component 303, wherein the refrigeration component 301 is arranged in a shunt pipe and is attached to the lower part of a shunt arc plate 233, the refrigeration component 301 is used for helping water vapor in hot air to meet condensation knots, the drying component 302 is communicated with an air inlet of a first hot air component, the drying component 302 is used for providing dry air for the first hot air component, the collection component 303 comprises a collection funnel 331 arranged right below the refrigeration component 301, and the inlet height of the collection funnel 331 is lower than the height of the inner bottom surface of the box body 1.
As shown in fig. 1-2, when the device is used, the digital printing paper after ink jet is fed into the box body 1 through the feeding hole 101, is guided by the two groups of conveying roller groups and is discharged from the discharging hole 102, and in the process, the drying mechanism and the dehumidifying mechanism dry the ink jet on the digital printing paper, so that the whole process is shorter, and the dehumidifying mechanism is arranged, so that the air humidity in the box body 1 is lower, and the drying effect is better; the space of the box body 1 is divided into a low-temperature area at two sides and a high-temperature area at the middle part by the two groups of conveying roller groups, the first hot air component downwards provides hot air towards the high-temperature area, the hot air has kinetic energy and moves downwards firstly, the hot air flows to the lower part of the high-temperature area under the action of the guide arc plate 232, and the hot air generally floats upwards due to higher entropy and lower density, and flows to the low-temperature area under the guidance of the guide arc plate 233 in the floating process after the kinetic energy of the hot air is lost, so that the heat is provided for the low-temperature area, and the energy waste is reduced; the current limiting arc plate 231 is used for limiting the hot gas backflow in the low temperature area to a certain extent, so as to form a temperature gradient; the invention has two low temperature areas on two sides of the high temperature area; the low temperature area close to the feeding port 101 can preheat the digital printing paper, and the preheating can help to reduce the heating time, so that the subsequent drying effect in the high temperature area can be improved; the low temperature area near the discharge port 102 can be used for preserving heat for the digital printing paper, so that the rapid drop of the surrounding environment is avoided, the drying time is prolonged, and the drying effect can be further improved; it should be noted that, the two low temperature areas and the high temperature area have more gaps, air circulation exists, the temperature difference is not too large, but the temperature gradient exists; the lowest part of the limiting arc plate and the diversion arc plate 232 is the connection part with the diversion arc plate 233, namely the limiting arc plate and the diversion arc plate 232 are not provided with a effusion area, and effusion can flow out from the lowest part of the limiting arc plate and the diversion arc plate, so that the dehumidification is facilitated; the ink jet contains moisture, after drying, the hot air contains water vapor, the refrigeration component 301 of the dehumidification mechanism is attached to the lower part of the diversion arc plate 233, the water vapor in the hot air contacts with the lower part of the diversion arc plate 233 and then is condensed, condensed liquid drops drop into the collection funnel 331, the collection funnel 331 discharges the condensed liquid drops, and the moisture in the box body 1 is reduced; the drying component 302 dries the air, the dried air enters the box body 1 through the first hot air component, and the hot air is dried, so that the liquid in the ink jet is easier to dry, and the drying effect is improved; the liquid in the ink jet ink not only refers to water, but also comprises organic solvents in a coloring agent, a humectant, a PH regulator and the like; according to the invention, the low-temperature areas are arranged on the two sides of the high-temperature area, so that the preheating and heat-preserving functions are increased, and the drying degree and the drying effect are improved; the invention condenses and discharges the water vapor in the hot gas by arranging the cooling component and the collecting component 303, reduces the moisture, and also provides the drying air by the drying mechanism, thereby improving the drying degree and the drying effect.
As shown in fig. 1-2, the first hot air assembly comprises a first hot air blower 222, a first lifting air cylinder 221 and an air inlet pipe 223, wherein a fixed part of the first lifting air cylinder 221 is fixed on a box body 1, a movable part of the first lifting air cylinder 221 is connected with the first hot air blower 222, a movable opening for the first hot air blower 222 to move is formed in the top wall of the box body 1, and the side wall of the hot air blower is in sliding fit with the inner wall of the movable opening; the distance between the air heater and the digital printing paper can be adjusted through the first telescopic cylinder, so that different high temperatures (higher temperature is closer) are provided for the digital printing paper, and the drying temperature of the digital printing paper is ensured to be stable under the cooperation of the temperature sensor 224; the first air heater 222 is communicated with the drying component 302 through an air inlet pipe 223, and the drying component 302 is an air dryer; after the air drying agent dries the air, the dry air enters the air heater through the air inlet pipe 223, and after the air heater heats the air, the air enters a high-temperature area in the box body 1, and the dry hot air is favorable for improving the drying effect.
As shown in fig. 1-2, a temperature sensor 224 is disposed on one of the arc deflectors 232, the temperature sensor 224 is electrically connected to the first lifting cylinder 221 through a stroke controller, the stroke controller controls the expansion and contraction amount of the first lifting cylinder 221 according to the temperature value detected by the temperature sensor 224, and the temperature value of the temperature sensor 224 is inversely related to the expansion and contraction amount of the first lifting cylinder 221; that is, the higher the temperature detected by the temperature sensor 224, the shorter the expansion and contraction amount of the first lift cylinder 221; the shorter the expansion and contraction amount is, the farther the air heater is away from the digital printing paper, so that the drying temperature of the digital printing paper is reduced.
As shown in fig. 1-2, the conveying roller set comprises a driving roller 211 and a driven roller 212, two driving motors 213 for driving the two driving rollers 211 are respectively arranged on the outer side of the box 1, the two driven rollers 212 are connected with the box 1 through a second lifting cylinder 214, the movable part of the second lifting cylinder 214 is rotationally connected with the driven roller 212, when digital printing paper needs to be stuffed in, the first telescopic cylinder contracts, so that the distance between the driving roller 211 and the driven roller 212 is enlarged, and after the digital printing paper is stuffed in, the first telescopic cylinder extends, so that the driving roller 211 and the driven roller 212 clamp the digital printing paper; two heating arc plates 215 are arranged in the box body 1, and the cambered surfaces of the two heating arc plates 215 are respectively in sliding fit with the outer walls of the two driving rollers 211, so that the driving rollers 211 are heated, and the drying effect is improved; the shunting assembly 203 is fixedly connected with the movable part of the second lifting cylinder 214, and the distance between the shunting assembly 203 and the driven roller 212 is inconvenient, so that the shunting assembly 203 can move conveniently; meanwhile, due to the movement of the second lifting cylinder 214, the diversion assembly 203 is driven to move up and down, so that the dropping of the condensed liquid drops on the diversion assembly 203 can be accelerated.
As shown in fig. 1-2, the bottoms of the two collecting funnels 331 are communicated through a converging pipe 332, the bottom of the converging pipe 332 is communicated with a vertical liquid discharge pipe 333, one side of the liquid discharge pipe 333 is communicated with a return pipe 334 for hot air return, the return pipe 334 is communicated with a low-temperature area in the box body 1 through a circulating pump 335, hot air is driven by the circulating pump 335 to pass through the return pipe 334 to supply hot air to the low-temperature area of the box body 1, the circulation capacity of the hot air is improved, condensed liquid drops enter the converging pipe 332 through the collecting funnels 331, and finally are discharged through the liquid discharge pipe 333; the bottom of the liquid discharge pipe 333 is provided with an inverted cone-shaped liquid discharge dropper 336, and the cone-shaped liquid discharge dropper 336 has small leakage of hot air due to a small liquid discharge port, and can help discharge liquid.
As shown in fig. 1-2, the refrigeration assembly 301 is provided as a refrigeration sheet; the principle of the refrigerating sheet is as follows: the mole sheet is refrigerated on one side and heated on the other side under the action of electric power; the cooling surface contacts the shunt arc plate 233, and the heating surface is far away from the shunt arc plate 233 to provide heat for the shunt tube.
Example 2
As shown in fig. 3, a water accumulation point is arranged at the lower part of the diversion arc plate 233, and water can accumulate at the lowest part of the diversion arc plate, liquid drops can accumulate on the water accumulation point, the side wall of the opening of the collection funnel 331 is rotationally connected with a drainage rod 401 through a rotating shaft, a torsion spring 402 is sleeved on the rotating shaft, and one end of the drainage rod 401 far away from the rotating shaft is abutted against the water accumulation point of the diversion arc plate 233;
the drainage rod 401 is in conflict with the ponding point of the diversion arc plate 233, because the diversion arc plate 233 is lifted under the driving of the second lifting cylinder 214, under the action of the torsion spring 402, the drainage rod 401 is in contact with the lowest part of the diversion arc plate 233, when the liquid drops are condensed at the lower part of the diversion arc plate 233, the drainage rod 401 can guide the liquid into the collecting funnel 331, the liquid drops are accelerated to enter the collecting funnel 331, and the dehumidification effect is improved.
Example 3
As shown in fig. 4, the device further comprises an air blowing mechanism arranged at the discharge port 102, the air blowing mechanism comprises an air blowing frame 501 fixedly connected with the box body 1, an air blower 503 is fixedly arranged on the air blowing frame 501, a discharge roller set 502 is rotatably arranged on the air blowing frame, the discharge roller set 502 is used for tensioning digital printing paper when the digital printing paper is discharged, the orientation of the air blower 503 is deviated to the discharge roller set 502, and the air inlet of the air blower 503 is communicated with the drying component 302; the discharging roller set 502 is used for straightening the digital printing paper, so that the subsequent drying treatment is facilitated, and the blower 503 blows air towards the direction of the discharging roller set 502, cools and dries for the last time.
As shown in fig. 4, the device further comprises a verification mechanism, the verification mechanism is arranged between the blower 503 and the discharge roller set 502, the verification mechanism comprises a contact plate 603 fixedly connected with the air outlet frame, one surface of the contact plate 603 is in sliding contact with the printing surface of the digital printing paper, one side of the contact plate 603, far away from the discharge port 102, is provided with a high-definition camera 601, the high-definition camera 601 is in signal connection with an image recognition module, and the image recognition module is electrically connected with an alarm 602; the image signal shot by the high-definition camera 601 is transmitted into the image recognition module, and when the image recognition module recognizes ink trace dragging, an alarm electric signal is sent to the alarm 602, and the alarm 602 alarms; the verification mechanism can verify the condition of incomplete drying, and when the ink trace is verified, the alarm 602 reminds a user of timely maintenance treatment.
Example 4
As shown in fig. 5, unlike in embodiment 1, a second hot air module 7 is provided above both low temperature areas, the second hot air module is provided as a second hot air blower, and both the second hot air blowers face the first hot air module; the second air heater blows air towards the first air heater 222, so that the temperature in the box body 1 is quickly increased, or when a high temperature area in the box body 1 is required to be higher, heating is performed; meanwhile, the second hot air component 7 blows towards the first hot air component, and hot air is collected in a high temperature area, so that the circulation rule of the hot air in the high temperature area and the two low temperature areas is met.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present invention to solve the substantially same technical problems and achieve the substantially same technical effects are all covered in the protection scope of the present invention.
Claims (10)
1. A drying device that digital printing paper processing was used, its characterized in that: the drying device comprises a box body (1), wherein a conveying mechanism, a drying mechanism and a dehumidifying mechanism are arranged in the box body (1);
two ends of the box body (1) are respectively provided with a feed inlet (101) and a discharge outlet (102) for passing through digital printing paper;
the conveying mechanism comprises two groups of conveying roller groups for conveying the digital printing paper, wherein one group of conveying roller groups is used for guiding the digital printing paper after ink jet to enter the box body (1), and the other group of conveying roller groups is used for guiding the digital printing paper after drying to be discharged out of the box body (1); the two groups of conveying roller groups divide the space in the box body (1) into low-temperature areas at two sides and high-temperature areas in the middle;
the drying mechanism is used for drying the digital printing paper after ink jet, the drying mechanism comprises a first hot air component and two diversion components (203), the first hot air component is arranged above a high-temperature area and is used for providing high-temperature hot air for the high-temperature area, the two diversion components (203) are respectively arranged below two groups of conveying roller groups, the diversion components (203) comprise current limiting arc plates (231) which are matched with the lower parts of the conveying roller groups, the current limiting arc plates (231) are used for limiting hot air backflow, the current limiting arc plates (231) are fixedly provided with current guiding arc plates (232) towards one side of the first hot air component, the current guiding arc plates (232) are used for guiding the hot air to the lower parts of the conveying roller groups, the current limiting arc plates (231) and the bottoms of the current guiding arc plates (232) are connected with current guiding arc plates (233), and the current guiding arc plates (233) are used for guiding the hot air below the conveying roller groups to the low-temperature areas; the flow-limiting arc plate (231), the flow-guiding arc plate (232) and the flow-dividing arc plate (233) form a flow-dividing pipe, and two sides of the flow-dividing pipe are sealed by sealing blocks (234);
the bottom ends of the current-limiting arc plate (231) and the current-guiding arc plate (232) are the connection parts with the current-dividing arc plate (233);
the dehumidification mechanism comprises a refrigeration component (301), a drying component (302) and a collection component (303), wherein the refrigeration component (301) is arranged in a shunt pipe and is attached to the lower portion of a shunt arc plate (233), the refrigeration component (301) is used for helping water vapor in hot air to meet condensation junctions, the drying component (302) is communicated with an air inlet of a first hot air component, the drying component (302) is used for providing dry air for the first hot air component, the collection component (303) comprises a collection funnel (331) arranged under the refrigeration component (301), and the inlet height of the collection funnel (331) is lower than the height of the inner bottom surface of the box body (1).
2. The drying device for processing digital printing paper according to claim 1, wherein: the first hot air assembly comprises a first hot air blower (222), a first lifting air cylinder (221) and an air inlet pipe (223), wherein a fixed part of the first lifting air cylinder (221) is fixed on a box body (1), a movable part of the first lifting air cylinder (221) is connected with the first hot air blower (222), a movable opening for the first hot air blower (222) to move is formed in the top wall of the box body (1), and the side wall of the hot air blower is in sliding fit with the inner wall of the movable opening; the first air heater (222) is communicated with the drying assembly (302) through an air inlet pipe (223), and the drying assembly (302) is an air dryer.
3. The drying device for processing digital printing paper according to claim 2, wherein: one of the guide arc plates (232) is provided with a temperature sensor (224), the temperature sensor (224) is electrically connected with the first lifting cylinder (221) through a stroke controller, the stroke controller controls the expansion and contraction amount of the first lifting cylinder (221) according to the temperature value detected by the temperature sensor (224), and the temperature value of the temperature sensor (224) is inversely related to the expansion and contraction amount of the first lifting cylinder (221).
4. The drying device for processing digital printing paper according to claim 1, wherein: the conveying roller set comprises a driving roller (211) and a driven roller (212), two driving motors (213) for driving the two driving rollers (211) are respectively arranged on the outer side of the box body (1), the two driven rollers (212) are connected with the box body (1) through second lifting cylinders (214), movable parts of the second lifting cylinders (214) are rotationally connected with the driven roller (212), two heating arc plates (215) are arranged in the box body (1), cambered surfaces of the two heating arc plates (215) are respectively in sliding fit with the outer walls of the two driving rollers (211), and the diversion assembly (203) is fixedly connected with the movable parts of the second lifting cylinders (214).
5. The drying device for processing digital printing paper according to claim 4, wherein: the utility model discloses a drainage device, including branch arc board (233), collection funnel (331), pivot, drainage rod (401) are connected with through the pivot rotation to the low department of branch arc board (233), the cover is equipped with torsional spring (402) in the pivot, the one end that the pivot was kept away from to drainage rod (401) is with the ponding point looks butt of branch arc board (233).
6. The drying device for processing digital printing paper according to claim 1, wherein: two collection funnel (331) bottom is linked together through converging pipe (332), converging pipe (332) bottom intercommunication has vertical fluid-discharge tube (333), fluid-discharge tube (333) one side intercommunication has back flow (334) that are used for hot-blast backward flow, back flow (334) are linked together through circulating pump (335) and box (1) interior low temperature zone, fluid-discharge tube (333) bottom is equipped with back conical fluid-discharge tube (336).
7. The drying device for processing digital printing paper according to claim 1, wherein: still including setting up the mechanism of blowing at discharge gate (102), the mechanism of blowing includes and blows frame (501) with box (1) fixed connection, the fixed air-blower (503) that is equipped with on blowing frame (501) and rotation are equipped with ejection of compact roller group (502), ejection of compact roller group (502) are used for when digital printing paper ejection of compact, the orientation of air-blower (503) is biased ejection of compact roller group (502), the air inlet and the drying module (302) of air-blower (503) are linked together.
8. The drying device for processing digital printing paper according to claim 7, wherein: the digital printing paper machine is characterized by further comprising a verification mechanism, wherein the verification mechanism is arranged between the air blower (503) and the discharge roller set (502), the verification mechanism comprises a contact plate (603) fixedly connected with the air outlet frame, one surface of the contact plate (603) is in sliding contact with the printing surface of the digital printing paper, one side, far away from the discharge port (102), of the contact plate (603) is provided with a high-definition camera (601), the high-definition camera (601) is in signal connection with an image recognition module, and the image recognition module is electrically connected with an alarm (602); the image signal shot by the high-definition camera (601) is transmitted into the image recognition module, and when the image recognition module recognizes ink dragging marks, an alarm signal is sent to the alarm (602), and the alarm (602) alarms.
9. The drying device for processing digital printing paper according to claim 1, wherein: and a second hot air component (7) is arranged above the two low temperature areas, the second hot air components are arranged as second hot air fans, and the two second hot air fans face the first hot air components.
10. The drying device for processing digital printing paper according to claim 1, wherein: the refrigerating assembly (301) is provided as a refrigerating sheet.
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| CN202311142221.8A CN117162676B (en) | 2023-09-06 | 2023-09-06 | Drying device for processing digital printing paper |
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| CN202311142221.8A CN117162676B (en) | 2023-09-06 | 2023-09-06 | Drying device for processing digital printing paper |
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| CN114789599A (en) * | 2021-01-25 | 2022-07-26 | 赣州市龙源彩印包装有限公司 | Drying device for printing processing system |
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| US6536863B1 (en) * | 2002-01-31 | 2003-03-25 | Hewlett-Packard Company | Inkjet print moisture re-circulation |
| CN206840941U (en) * | 2017-01-04 | 2018-01-05 | 天津印将科技有限公司 | A kind of color digital printer |
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| CN117162676B (en) | 2024-03-19 |
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