CN112657800A

CN112657800A - A oven device for making offset printing CTP plate material

Info

Publication number: CN112657800A
Application number: CN202110123905.8A
Authority: CN
Inventors: 刘华礼; 杨道军
Original assignee: Jiangsu Lecai Printing Material Co ltd
Current assignee: Jiangsu Lecai Printing Material Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-04-16

Abstract

The invention discloses an oven device for manufacturing offset CTP plates, which comprises a drying box, wherein a feed inlet is formed in the lower part of one end of the drying box, a discharge outlet is formed in the lower part of the other end of the drying box, an air outlet in the top of the drying box is communicated with a heat exchange mechanism, a plurality of heating pipes are uniformly distributed in the upper part of the inner side of the drying box, a plurality of transmission roller shafts are arranged at positions, corresponding to the feed inlet and the discharge outlet, in the lower part of the inner side of the drying box, and cooling air channels for introducing cold air are symmetrically arranged at the position, close to the. According to the invention, the cooling air duct is arranged on the bottom surface of the drying box and close to the feeding port, and low-temperature air is introduced into the drying box through the cooling air duct to neutralize the high temperature at the corresponding feeding port, so that when the aluminum-based carrier coated with the organic solvent enters the drying box, the temperature change is not overlarge, the 'skinning effect' generated by the coating due to uneven heating and too fast temperature rise is effectively avoided, and the quality of the CTP plate is further ensured.

Description

A oven device for making offset printing CTP plate material

Technical Field

The invention relates to the field of ovens, in particular to an oven device for manufacturing offset printing CTP plates.

Background

At present, when a CTP plate is manufactured, a photosensitive substance dissolved in an organic solvent is coated on an aluminum-based carrier which continuously runs, and then the solvent is removed through heating of an oven, so that a photosensitive coating is formed on the surface of an aluminum base.

The existing oven is internally provided with the radiant heating pipe, the best drying effect is achieved through a plurality of repeated heating areas, but the coating can generate the skinning effect due to uneven heating and too fast temperature rise in the first area, and the quality of the CTP plate is seriously influenced.

Disclosure of Invention

The invention aims to provide an oven device for manufacturing an offset CTP plate, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an oven device for making offset printing CTP plate, includes the stoving case, the one end lower part of stoving case is equipped with the feed inlet, and the other end lower part is equipped with the discharge gate, the gas outlet and the heat transfer mechanism intercommunication at stoving roof portion, the inboard upper portion evenly distributed of stoving case has a plurality of heating pipes, the inboard lower part of stoving case corresponds the position department of feed inlet and discharge gate and is equipped with a plurality of driving roller axles, the bottom surface of stoving case and the department symmetry that is close to the feed inlet are equipped with the cooling wind channel that is used for letting in cold wind, cooling wind channel and the inside intercommunication of stoving case.

Furthermore, the heat exchange mechanism comprises a box body and a heat exchange tube arranged inside the box body in an S shape, and two ends of the heat exchange tube are communicated with the conveying pipe located on the outer side of the box body.

Furthermore, the top of the box body is provided with an air outlet end which is communicated with a gas treatment device.

Furthermore, the middle part of the inner side of the drying box and the position below the heating pipe are provided with a protective net, and the protective net is positioned above the transmission roller shaft.

Furthermore, the inboard of stoving case is equipped with a plurality of temperature sensor, and wherein some temperature sensor correspond cooling wind channel position, and are located the top of driving roller axle, and another some temperature sensor is located stoving incasement side and keeps away from cooling wind channel position, and is located the top of driving roller axle.

Furthermore, the temperature sensors are fixedly connected with the protective net through pull rods.

Furthermore, the cooling air duct comprises an air duct, a filter screen is arranged at the bottom end of the air duct, and a plurality of ventilation openings are formed in the joint of the air duct and the bottom of the drying box.

Furthermore, the ventilation openings are distributed from dense to comb along the direction from the feed inlet to the discharge outlet.

Furthermore, evaporators are arranged in the middle of the inner sides of the air pipes and communicated with the conveying pipes to form a circulation passage.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the cooling air duct is arranged on the bottom surface of the drying box and close to the feeding port, low-temperature air is introduced into the drying box through the cooling air duct to neutralize the high temperature at the corresponding feeding port, so that when the aluminum-based carrier coated with the organic solvent enters the drying box, the temperature change is not overlarge, the aluminum-based carrier gradually passes through the cooling air duct under the transportation and movement of the transmission roller shaft, and meanwhile, the temperature also has a uniform rising trend until the aluminum-based carrier leaves the cooling air duct and is in a stable drying state.

In addition, still can correspond not going out of discharge gate at stoving bottom of the case face and set up the cooling wind channel equally for aluminium base carrier to accomplishing the stoving cools down, when making aluminium base carrier shift out the stoving case, it is less with external temperature difference, and then avoids coefficient of heat conductivity difference and the sensitization coating that leads to the quality problems that crackle appears, further improves product quality.

Drawings

FIG. 1 is a schematic structural diagram of an oven device for manufacturing offset CTP plates;

FIG. 2 is a schematic diagram of the internal structure of an oven device for manufacturing offset CTP plates;

FIG. 3 is a bottom view of an oven device for manufacturing offset CTP plate;

fig. 4 is a schematic structural diagram of a heat exchange mechanism in an oven device for manufacturing an offset CTP plate.

In the figure: 1. a drying box; 2. a feed inlet; 3. a discharge port; 4. a heat exchange mechanism; 41. a box body; 42. a heat exchange pipe; 43. a delivery pipe; 5. heating a tube; 6. a drive roller shaft; 7. a cooling air duct; 71. an air duct; 72. a filter screen; 73. a vent; 74. an evaporator; 8. a protective net; 9. a temperature sensor; 10. a pull rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an oven device for making offset printing CTP plate, including stoving case 1, the one end lower part of stoving case 1 is equipped with feed inlet 2, the other end lower part is equipped with discharge gate 3, the gas outlet and the 4 intercommunications of heat transfer mechanism at 1 top of stoving case, the inboard upper portion evenly distributed of stoving case 1 has a plurality of heating pipes 5, the inboard lower part of stoving case 1 corresponds the position department of feed inlet 2 and discharge gate 3 and is equipped with a plurality of driving roller axles 6, the bottom surface of stoving case 1 and the department symmetry that is close to feed inlet 2 are equipped with the cooling wind channel 7 that is used for letting in cold wind, cooling wind channel 7 and the inside intercommunication of stoving.

In this scheme, set up cooling wind channel 7 in the bottom surface of stoving case 1 and near feed inlet 2, let in low temperature air to stoving case 1 inside through cooling wind channel 7, a high temperature that is used for and corresponds feed inlet 2 department, make the aluminium base carrier of coated organic solvent when getting into stoving case 1, the temperature variation can not be too big, under the transportation removal of driving roller 6, gradually through cooling wind channel 7 department, the while temperature also is the even trend of rising, until leaving behind cooling wind channel 7 department, be in stable drying state, owing to there is the buffer, therefore, effectively avoided heating inequality and the "skinning effect" that the intensification leads to the coating to produce too soon, and then guarantee the quality of CTP version material.

In addition, still can correspond not going out of discharge gate 3 in stoving case 1 bottom surface and set up cooling wind channel 7 equally for aluminium base carrier to accomplishing the stoving cools down, when making aluminium base carrier shift out stoving case 1, it is less with external temperature difference, and then avoids coefficient of heat conductivity difference and the photosensitive coating that leads to the quality problems that crackle appears, further improves product quality.

Wherein, heat exchange mechanism 4 includes box 41 and is the S-shaped heat exchange tube 42 that sets up in the inside of box 41, and the both ends of heat exchange tube 42 all communicate with the conveyer pipe 43 that is located the box 41 outside for collect the reuse to the inside heat energy of stoving case 1, improve energy utilization. In addition, the top gas outlet end of the box body 41 is communicated with a gas treatment device, so that the gas collected by hands can be further treated and then discharged, and the environment is protected.

The inboard middle part of stoving case 1 and the below department that is located heating pipe 5 are equipped with protection network 8, and protection network 8 is located the top of driving roller 6, and protection network 8 is used for keeping apart heating pipe 5 and driving roller 6, avoids appearing heating pipe 5 and other foreign matters and drops to the aluminium base carrier of coating organic solvent, avoids causing product defect.

The inside of stoving case 1 is equipped with a plurality of temperature sensor 9, and wherein some temperature sensor 9 correspond cooling wind channel 7 position, and are located the top of driving roller 6, and another some temperature sensor 9 is located stoving case 1 inboard and keep away from cooling wind channel 7 position, and is located the top of driving roller 6, and temperature sensor 9 is used for the inside temperature condition from feed inlet 2 to discharge gate 3 direction of stoving case 1 in real time monitoring, preferably makes the final stable temperature curve that keeps after the temperature position gradient transform. The temperature sensors 9 are fixedly connected with the protective net 8 through the pull rods 10, so that the positions of the temperature sensors 9 can be better arranged.

The cooling air duct 7 preferably has the following structure: including tuber pipe 71, the bottom department of tuber pipe 71 is equipped with filter screen 72, and the junction of tuber pipe 71 and stoving case 1 bottom is equipped with a plurality of vents 73, and filter screen 72 is arranged in blockking that the foreign matter passes through tuber pipe 71 and gets into stoving case 1, and vent 73 is used for the air-out, and the position of vent 73 is preferred in the both sides of aluminium base carrier for the air-out does not make aluminium base carrier take place vibrations as far as possible. In addition, the ventilation opening 73 is distributed from dense to comb along the direction from the feeding opening 2 to the discharging opening 3, and the gradual rise of the temperature can be better realized, so that the skin formation effect is avoided.

The inside middle part of tuber pipe 71 all is equipped with evaporimeter 74, and evaporimeter 74 and conveyer pipe 43 intercommunication constitute circulation route, and evaporimeter 74 is used for cooling the air through tuber pipe 71 department, preferably detects the temperature curve condition of structure reaction department according to temperature sensor 9, suitably adjusts the air temperature that passes through in the tuber pipe 71 to it is excessive to realize drying temperature's stability.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which includes the appended claims and their equivalents.

Claims

1. An oven device for manufacturing offset printing CTP plate, which comprises a drying box (1), and is characterized in that: the one end lower part of stoving case (1) is equipped with feed inlet (2), and the other end lower part is equipped with discharge gate (3), the gas outlet and heat transfer mechanism (4) intercommunication at stoving case (1) top, the inboard upper portion evenly distributed of stoving case (1) has a plurality of heating pipes (5), the position department that the inboard lower part of stoving case (1) corresponds feed inlet (2) and discharge gate (3) is equipped with a plurality of driving roller axle (6), the bottom surface of stoving case (1) and the department symmetry that is close to feed inlet (2) are equipped with cooling wind channel (7) that are used for letting in cold wind, cooling wind channel (7) and the inside intercommunication of stoving case (1).

2. The oven device for manufacturing offset CTP plate as claimed in claim 1, wherein: the heat exchange mechanism (4) comprises a box body (41) and a heat exchange tube (42) arranged inside the box body (41) in an S shape, and two ends of the heat exchange tube (42) are communicated with a conveying pipe (43) located on the outer side of the box body (41).

3. The oven device for manufacturing offset CTP plate as claimed in claim 2, wherein: and the top gas outlet end of the box body (41) is communicated with a gas treatment device.

4. The oven device for manufacturing offset CTP plate as claimed in claim 1, wherein: the drying box is characterized in that a protective net (8) is arranged in the middle of the inner side of the drying box (1) and below the heating pipe (5), and the protective net (8) is located above the transmission roller shaft (6).

5. The oven device for manufacturing offset CTP plate according to claim 4, wherein the oven device comprises: the inboard of stoving case (1) is equipped with a plurality of temperature sensor (9), and wherein some temperature sensor (9) correspond cooling wind channel (7) position, and are located the top of driving roller axle (6), and another some temperature sensor (9) are located stoving case (1) inboard and keep away from cooling wind channel (7) position, and are located the top of driving roller axle (6).

6. The oven device for manufacturing offset CTP plate as claimed in claim 5, wherein: the temperature sensors (9) are fixedly connected with the protective net (8) through pull rods (10).

7. The oven device for manufacturing offset CTP plate as claimed in claim 1, wherein: the cooling air duct (7) comprises an air duct (71), a filter screen (72) is arranged at the bottom end of the air duct (71), and a plurality of ventilation openings (73) are formed in the joint of the air duct (71) and the bottom of the drying box (1).

8. The oven device for manufacturing offset CTP plate according to claim 7, wherein: the air vents (73) are distributed from dense to comb along the direction from the feed inlet (2) to the discharge outlet (3).

9. An oven device for manufacturing offset CTP plate according to claim 2 or 7, wherein: the middle part of the inner side of the air pipe (71) is provided with an evaporator (74), and the evaporator (74) is communicated with the conveying pipe (43) to form a circulating passage.