CN217993857U

CN217993857U - Drying device after decorative paper printing

Info

Publication number: CN217993857U
Application number: CN202221761955.5U
Authority: CN
Inventors: 庄启飞; 庄启明
Original assignee: Huangshan Haotai Plastic Co ltd
Current assignee: Huangshan Haotai Plastic Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-12-09
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a drying device after decorative paper printing, including the stoving box, set up the cardboard import and the cardboard export that are used for pulling the decorative paper and cross paper on the stoving box, be provided with a plurality of guide rollers that the direction decorative paper crossed paper in the stoving box, the upper and lower both sides of a plurality of guide rollers are provided with heat exchanger and lower heat exchanger that looses respectively, connect the both ends of communicating pipe on the lateral wall of heat exchanger and lower heat exchanger that looses on, it does not be the toper form to go up to loose heat exchanger and the cross-section of heat exchanger down equally divide, it is on the baffle through last nipple fixed connection to go up heat exchanger top binding end, the inner chamber of stoving box cuts off through the baffle and forms backward flow heating chamber and soaking chamber, be provided with heating blower in the backward flow heating chamber, be linked together between heating blower's the exit end and the top mouth end of last nipple, make the produced hot-blast stream of heating blower be convenient for get into in the heat exchanger and the heat exchanger that looses down, realize decorative paper both sides drying process after the printing, and two sides are evenly unanimous in drying.

Description

Drying device after decorative paper printing

Technical Field

The utility model relates to a drying device technical field, concretely relates to drying device behind decorative paper printing.

Background

The decorative paper is placed under the surface paper in the product structure, and mainly plays the roles of providing decoration of patterns and covering for preventing the seepage of bottom glue solution. Decorative papers are required to have good hiding power, impregnation and printing properties.

In the production process of the decorative paper, the decorative paper is dragged and conveyed to print characters or patterns, and after the printing process is finished, the printing ink on the surface of the decorative paper needs to be dried; secondly, drying efficiency is improved by adopting a drying device, if the patent with the publication number of CN213920236U in the prior art is 'a decorative paper continuous printing and drying system', printed decorative paper is treated by a drying box in the process of traction and conveying, a heat dissipation cover arranged at the top of an inner cavity of the drying box can quickly dry the decorative paper, but when the decorative paper continuous printing and drying system is in practical use, particularly in the process of traction and drying of the decorative paper after double-sided printing, the two sides of the decorative paper are easily heated unevenly, and the condition that the two sides of the decorative paper are dried unevenly and are easily folded and pass through the paper is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a decorative paper printing back drying device to overcome not enough among the prior art.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a decorative paper printing back drying device, includes the stoving box set up the cardboard import and the cardboard export that are used for pulling the decorative paper and cross paper on the stoving box, be provided with a plurality of guide rollers in the stoving box, the upper and lower both sides of a plurality of guide rollers are provided with heat dissipation cover respectively and dispel the heat the cover down, go up the both ends of connecting communicating pipe on heat dissipation cover and the lateral wall of heat dissipation cover down respectively, it does not be the toper form with the cross-section of heat dissipation cover down equally divide to go up heat dissipation cover, it passes through nipple fixed connection on the baffle to go up heat dissipation cover top closing end, the inner chamber of stoving box cuts off through the baffle and forms backward flow heating chamber and soaking chamber, the heating blower is provided with in the backward flow heating chamber, is linked together between the exit end of heating blower and the top of last nipple.

As a further aspect of the present invention: the bottom closing end of the lower heat dissipation cover is fixedly connected to the inner bottom wall of the drying box body through a lower short connecting pipe, and a heat dissipation fan is arranged in the lower short connecting pipe.

As a further aspect of the present invention: the bottom flared end of the upper radiating cover and the top flared end of the lower radiating cover are respectively fixedly connected with a flow equalizing plate, and a plurality of radiating holes are uniformly distributed on the flow equalizing plate.

As a further aspect of the present invention: the clapboard is provided with a plurality of backflow holes.

As a further aspect of the present invention: and the top wall of the drying box body is provided with an air supplementing opening for installing a dust screen.

As a further aspect of the present invention: the outer wall of the upper heat dissipation cover is connected with the partition plates in a hanging mode through a plurality of upper hanging rods.

As a further aspect of the present invention: the outer wall of the lower heat dissipation cover is connected with the drying box body through a plurality of lower support rods in a supporting mode.

The utility model has the advantages that:

(1) The upper heat dissipation cover and the lower heat dissipation cover are connected through a communication pipe, and the upper heat dissipation cover and the lower heat dissipation cover are respectively arranged on two sides of the plurality of material guide rollers, so that hot air flow generated by the heating fan can conveniently enter the upper heat dissipation cover and the lower heat dissipation cover, the drying treatment of two sides of the decorative paper after printing is realized, and the drying of the two sides is uniform;

(2) The flow equalizing plates are additionally arranged at the hot air flow discharging ends of the flaring of the upper heat radiating cover and the flaring of the lower heat radiating cover respectively, so that the hot air flows in the upper heat radiating cover and the lower heat radiating cover are discharged through the plurality of heat discharging holes respectively, and the hot air flows are uniformly discharged, thereby being beneficial to realizing uniform drying of the surface of the decorative paper and avoiding local drying overheating of the surface of the decorative paper;

(3) The inner chamber of the drying box body is separated by the partition plate to form a backflow heating chamber and a soaking chamber, laying of conveying pipelines is reduced, loss of drying heat can be reduced, a plurality of backflow holes are formed in the partition plate, drying waste heat in the soaking chamber can conveniently enter the backflow heating chamber through the backflow holes, drying waste heat in the soaking chamber can be recycled through cyclic heating, and therefore the effects of energy conservation and environmental protection are achieved.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic view of the connection between the upper heat dissipation cover and the lower heat dissipation cover of the present invention.

In the figure: 1. drying the box body; 2. a paperboard inlet; 3. a paperboard outlet; 4. a material guide roller; 5. an upper heat dissipation cover; 6. a lower heat dissipation cover; 7. a communicating pipe; 8. an upper nipple; 9. a heating fan; 10. a partition plate; 100. a return orifice; 11. a reflux heating chamber; 12. a soaking cavity; 13. a flow equalizing plate; 14. heat dissipation holes; 15. a lower nipple; 16. a heat radiation fan; 17. air supply ports; 18. a dust screen; 19. an upper boom; 20. a lower stay bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention; in the description of the present invention, "plurality" or "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Please refer to fig. 1-3, the utility model relates to a drying device after decorative paper printing, through set up the cardboard import 2 and the cardboard export 3 that are used for pulling the decorative paper and cross paper on drying box 1, be provided with a plurality of guide rolls 4 in the drying box 1, the decorative paper after pulling the printing and accomplishing is convenient for get into in the drying box 1 from cardboard import 2 to carry through a plurality of guide rolls 4 steady support, and accomplish the processing of drying decorative paper surface printing ink in drying box 1, until drawing out drying box 1 from cardboard export 3.

The inner cavity of the drying box body 1 is partitioned by a partition board 10 to form a backflow heating cavity 11 and a soaking cavity 12, a heat radiation fan 16 is arranged in the backflow heating cavity 11, the outlet end of the heat radiation fan 16 is communicated with the top opening end of an upper short connecting pipe 8, the upper short connecting pipe 8 is fixedly connected with the top closing end of an upper heat radiation cover 5, the side walls of the upper heat radiation cover 5 and the lower heat radiation cover 6 are respectively connected with the two ends of a communicating pipe 7, the upper heat radiation cover 5 and the lower heat radiation cover 6 are respectively arranged on the two sides of a plurality of material guide rollers 4, the cross sections of the upper heat radiation cover 5 and the lower heat radiation cover 6 are respectively in a conical shape, so that the heating fan 9 generates hot air flow when working, the hot air flows through the upper short connecting pipe 8 to enter the upper heat radiation cover 5, a part of the hot air which enters the upper heat radiation cover 5 flows through the bottom expanding end to be diffused, the upper surface of the decorative paper is dried in the traction conveying process, the other part of the hot air flows through the communicating pipe 7 to enter the lower heat radiation cover 6, the upper surface of the decorative paper is conveniently diffused from the top of the lower heat radiation cover 6, the decorative paper is dried in the traction conveying process, the decorative paper is dried, the two surfaces are uniformly dried, and the two surfaces are uniformly dried.

In this embodiment, the lower heat dissipation cover 6 bottom closing end is through down nipple 15 fixed connection on the interior diapire of stoving box 1, and is provided with cooling fan 16 in nipple 15 down, through the work of the cooling fan 16 that sets up, gets into the interior hot-blast stream of heat dissipation cover 6 down and is convenient for upwards blow fast, helps accelerating the hot-blast stove flow in the heat dissipation cover 6 down to improve the drying efficiency of decorative paper lower surface.

In this embodiment, it is equallyd divide respectively the rigid coupling to have flow equalizing plate 13 to go up 5 bottom flared ends of heat exchanger and 6 top flared ends of heat exchanger down, a plurality of louvres 14 have been seted up to the equipartition on flow equalizing plate 13, flow equalizing plate 13 is installed additional respectively in the flaring of last heat exchanger 5 and heat exchanger 6 down to the flaring of heat exchanger 5, make the hot-blast flow in last heat exchanger 5 and the heat exchanger 6 down respectively through a plurality of louvres 14 discharges, the hot-blast flow discharges evenly, thereby help realizing that it is even to dry the decorative paper surface, avoid the local stoving overheat of decorative paper surface to take place.

In this embodiment, through having seted up a plurality of backward flow holes 100 on baffle 10 for in the soaking chamber 12 stoving waste heat was convenient for upwards get into backward flow heating chamber 11 through a plurality of backward flow holes 100, stoving waste heat carries out circulation heating and recycles in soaking chamber 12, thereby reaches energy-concerving and environment-protective effect.

In this embodiment, an air supply opening 17 for installing a dust screen 18 is formed in the top wall of the drying box body 1, the air supply opening 17 is used for inputting cold air flow to be heated into the drying box body 1, and the dust screen 18 is used for blocking external pollution impurities from entering the drying box body 1.

In this embodiment, the outer wall of the upper heat dissipation cover 5 is connected with the partition plate 10 by being hung from a plurality of upper hanging rods 19, and the outer wall of the lower heat dissipation cover 6 is connected with the drying box 1 by being supported from a plurality of lower supporting rods 20, so that the installation stability of the upper heat dissipation cover 5 and the lower heat dissipation cover 6 is improved.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. The equivalent changes and improvements made according to the application scope of the present invention should be still included in the patent coverage of the present invention.

Claims

1. The utility model provides a decorative paper printing back drying device, includes stoving box (1) set up on stoving box (1) and be used for pulling decorative paper and cross cardboard import (2) and cardboard export (3), be provided with a plurality of guide roller (4) in stoving box (1), its characterized in that, the upper and lower both sides of a plurality of guide roller (4) are provided with heat exchanger (5) and heat exchanger (6) down respectively, go up the both ends of connecting communicating pipe (7) on the lateral wall of heat exchanger (5) and heat exchanger (6) down respectively, the cross-section of going up heat exchanger (5) and heat exchanger (6) is equallyd divide equally and is do not be the toper form, go up heat exchanger (5) top closing end and pass through last nipple (8) fixed connection on baffle (10), the inner chamber of stoving box (1) cuts off through baffle (10) and forms backward flow heating chamber (11) and soaking chamber (12), be provided with in the backward flow heating chamber (11) and heat fan (9), the exit end of heating fan (9) is linked together between the top opening of last nipple (8).

2. A decorative paper post-printing drying device according to claim 1, wherein the bottom closed end of the lower heat-radiating cover (6) is fixedly connected to the inner bottom wall of the drying box body (1) through a lower short connecting pipe (15), and a heat-radiating fan (16) is arranged in the lower short connecting pipe (15).

3. The decorative paper after-printing drying device of claim 2, wherein the bottom flared end of the upper heat-dissipating cover (5) and the top flared end of the lower heat-dissipating cover (6) are respectively and fixedly connected with a flow-equalizing plate (13), and a plurality of heat-dissipating holes (14) are uniformly distributed on the flow-equalizing plate (13).

4. A decorative paper post-printing drying apparatus according to claim 1, wherein said spacer (10) is provided with a plurality of return holes (100).

5. The decorative paper post-printing drying device according to claim 1, wherein an air supply opening (17) for installing a dust screen (18) is formed in the top wall of the drying box body (1).

6. Decorative paper post-printing drying device according to claim 1, characterized in that the outer wall of the upper heat dissipation cover (5) is connected with the partition (10) in a hanging manner through a plurality of upper hanger rods (19).

7. A decorative paper post-printing drying device according to claim 1, characterized in that the outer wall of the lower heat-dissipating cover (6) is connected with the drying box body (1) by a plurality of lower support rods (20).