CN108944018B

CN108944018B - Automatic paper drying equipment of printing equipment

Info

Publication number: CN108944018B
Application number: CN201810631299.9A
Authority: CN
Inventors: 陈春燕
Original assignee: Zhejiang Song Industrial Co Ltd
Current assignee: Zhejiang song Industrial Co., Ltd
Priority date: 2018-06-19
Filing date: 2018-06-19
Publication date: 2020-01-24
Anticipated expiration: 2038-06-19
Also published as: CN108944018A

Abstract

The invention discloses automatic paper drying equipment of printing equipment, which comprises a drying box, wherein one side of the drying box is provided with a paper feeding mechanism through a paper feeding opening, an up-down type drying mechanism is arranged in the drying box, the outside of the drying box is provided with a recovery assembly for collecting evaporated steam, the up-down type drying mechanism comprises a metal frame arranged in the drying box, two sides of the inner wall of the metal frame are uniformly provided with a plurality of heating rollers, the outer ends of the heating rollers are connected with the inner wall of the metal frame through rotating shafts, a central column is arranged in the heating rollers, the surface of the central column is uniformly connected with a plurality of heating sheets, the surface of the heating rollers is uniformly provided with a plurality of heat conduction grooves, the inner walls of the heat conduction grooves are connected with the heating sheets through heat conduction ceramic sheets, the top end of the metal frame is provided with an upper heat screen cover, the generated water vapor is processed in time, so that adverse effects on the equipment are avoided, and the service life of the equipment is prolonged.

Description

Automatic paper drying equipment of printing equipment

Technical Field

The invention relates to the technical field of printing equipment, in particular to automatic paper drying equipment of printing equipment.

Background

The printing equipment is mainly a printing machine, namely a machine for printing characters and images, and modern printing machines generally comprise mechanisms such as plate loading, inking, stamping, paper conveying (including folding) and the like. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position on which the characters and images are printed on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the printed matter identical to printing plate.

In the aspect of printing machine automation, technologies such as networking, production integration, digital work flow, linking with a Management Information System (MIS) and the like become key points of development, and a CP2000 automatic control system of the haidebao corporation has functions of realizing networking of all production processes of a printing enterprise, online transmission of prepress image processing data (CIP3/PPF or CIP4/JDF data) and the like, besides presetting, regulation and control and fault diagnosis of each working link of a whole machine such as paper feeding, paper conveying, paper guiding, ink conveying, water conveying, plate changing, registering, cleaning, drying, glazing, coating, powder spraying and paper collecting. In the new century, most offset press manufacturers developed corresponding DI digital presses.

In addition, in order to meet the demand of people for high-grade color printed matters, the development trend that multi-color set double-sided printing and additional on-line post-printing processing functions of 8-color sets and even 10-color sets become various sheet-fed offset printing machines (including small offset printing machines, DI direct plate-making machines and large offset printing machines) is well-developed, and the printing machines of the type begin to occupy a part of markets originally belonging to the roll paper printing machines.

When the printing equipment performs printing, most of the printing is finished on paper, and after the paper is finished, the printing paper needs to be dried.

However, the existing printing paper drying apparatus has the following disadvantages:

(1) the common drying equipment performs single-side drying on paper in a single hot air drying mode, so that the paper is easy to be incompletely dried, and the printing and forming quality is influenced;

(2) meanwhile, after the drying is finished, because the water vapor carried in the paper is evaporated and stays in the equipment, if the water vapor is not processed in time, the subsequent drying work can be influenced, and the use of the equipment is influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the automatic paper drying equipment of the printing equipment, which improves the drying effect through double drying, timely treats the generated water vapor, avoids adverse effects on the equipment, prolongs the service life of the equipment and can effectively solve the problems in the background art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the automatic paper drying equipment of the printing equipment comprises a drying box, wherein a paper feeding mechanism is arranged on one side of the drying box through a paper feeding opening, an up-and-down type drying mechanism is arranged in the drying box, and a recovery assembly for collecting evaporated water vapor is arranged outside the drying box;

the upper and lower formula stoving mechanism is including installing the metal frame at stoving incasement portion, metal frame inner wall both sides evenly are provided with a plurality of warming mill, the warming mill outer end passes through axis of rotation and metal frame inner wall connection, warming mill internally mounted has the center post, center post surface evenly is connected with a plurality of heating plate, the warming mill surface evenly is provided with a plurality of heat conduction groove, the heat conduction inslot wall is connected with the heating plate through the heat conduction potsherd, the heat supply network lid is installed on metal frame top, go up heat supply network lid both ends and all install the seat that circulates, the air inlet groove is installed to circulation seat inner wall.

Further, go up inside evenly installed a plurality of thermal resistance post of heat supply network lid, and install infrared heating pipe between the adjacent thermal resistance post, stoving incasement portion top is installed and is just relative centrifugal fan with last heat supply network lid, just go up heat supply network lid surface and scribble the one deck and be used for isolated thermal insulation coating, and the metal frame surface is provided with one deck aerogel felt heat insulating mattress.

Furthermore, the recycling assembly comprises recycling barrels arranged inside the recycling seats on two sides, the top end of each recycling barrel is connected with the air inlet groove through a branch hopper, a condensation assembly is arranged at the joint of the branch hopper and the recycling barrels, and a circulating pipe is arranged at the top end of the surface of the branch hopper.

Further, the condensation subassembly is including installing the condensation copper ring in the recovery section of thick bamboo inside, condensation copper ring inner wall evenly is connected with the copper pipe that flows of a plurality of, and the condensation copper ring outer end has the cooling seat through the bevel pipe connection.

Further, the inside hollow chamber that is provided with of cooling seat, hollow intracavity wall evenly is connected with a plurality of aluminium fin, aluminium fin runs through hollow intracavity wall, and aluminium fin adopts continuous crooked column structure, and aluminium fin inside is hollow structure.

Furthermore, the top end of the circulating pipe is connected with a continuous bending pipe, and the tail end of the continuous bending pipe is connected with an exhaust hopper.

Further, paper feeding mechanism is including installing the paper seat of sending at stoving case one end, send the inside conveyer trough that is provided with of paper seat, and conveyer trough inner wall both sides all are provided with fixed limiting plate, and install a plurality of transportation roller between the fixed limiting plate of both sides.

Further, the paper outlet groove is installed to the stoving case other end, the paper outlet groove surface is provided with hollow core plate, hollow core plate surface is provided with heat conduction silicone grease, heat conduction silicone grease bottom is through a plurality of graphite flake and hollow core plate internal connection.

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

(1) according to the invention, the vertical drying mechanism is adopted to synchronously dry the two sides of the printing paper, so that the drying efficiency is improved, and the problem of incomplete single-side drying in the prior art is effectively solved;

(2) the invention utilizes the recovery assembly to recover and treat the water vapor remained after drying, creates a good working environment for the subsequent drying work, simultaneously plays a good role in protecting the equipment per se, and effectively prolongs the service life of the whole equipment.

Drawings

FIG. 1 is a schematic cross-sectional structure diagram of a drying box according to the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a heating roller according to the present invention;

FIG. 4 is a schematic view of a condensed copper ring structure according to the present invention.

Reference numbers in the figures:

1-drying box; 2-paper feeding port; 3-a paper feeding mechanism; 4-up-down type drying mechanism; 5-a recovery component; 6-continuously bending the tube; 7-an exhaust hopper; 8-aerogel felt heat insulation mat;

301-paper feeding base; 302-a transport trough; 303-fixing the limiting plate; 304-a transport roller; 305-a paper outlet groove; 306-hollow core slab; 307-heat conducting silicone grease; 308-graphite flake;

401-metal frame; 402-a heated roll; 403-rotating shaft; 404-a central column; 405-a heating plate; 406-heat conducting grooves; 407-heat conducting ceramic sheet; 408-upper heat net cover; 409-a circulation seat; 410-an air inlet tank; 411-thermal resistance column; 412-infrared heating tubes; 413-centrifugal fan;

501-a recovery cylinder; 502-branch bucket; 503-a condensing assembly; 504-aluminum fins; 505-a hollow cavity; 506-circulation pipe; 507-condensation of copper rings; 508-flow copper tubing; 509-inclined tube; 510-cooling seat.

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.

As shown in fig. 1 to 4, the present invention provides an automatic paper drying device of a printing device, which includes a drying box 1, wherein a paper feeding mechanism 3 is installed on one side of the drying box 1 through a paper feeding port 2, and the paper to be dried after printing is fed into the drying box 1 through the paper feeding mechanism 3 for drying treatment, so as to facilitate realization of automatic treatment.

As shown in fig. 2, paper feeding mechanism 3 is including installing the seat 301 of form advancing in stoving case 1 one end, the inside conveying tank 302 that is provided with of paper seat 301, and conveying tank 302 inner wall both sides all are provided with fixed limiting plate 303, and install a plurality of transportation roller 304 between the fixed limiting plate 303 of both sides, outside printing paper gets into through the conveying tank 302 of sending paper seat 301, later under the effect of a plurality of transportation rollers 304, send into the mouth 2 of form advancing of stoving case 1 with the paper to enter into stoving case 1 inside and carry out drying process, realize holistic automated control.

The paper discharging groove 305 is installed at the other end of the drying box 1, the hollow plate 306 is arranged on the surface of the paper discharging groove 305, the heat conduction silicone grease 307 is arranged on the surface of the hollow plate 306, the bottom end of the heat conduction silicone grease 307 is connected with the inside of the hollow plate 306 through the graphite sheets 308, on the other hand, after the drying box 1 dries paper, the paper has certain heat, large thermal abrasion is easily generated between the paper due to direct collection, the paper is easily damaged, the paper dried through the hollow plate 306 of the paper discharging groove 305 is cooled, the surface temperature of the dried paper is reduced, and a good protection effect is achieved on the printed paper.

After the paper is accomplished the stoving, discharge through going out paper groove 305, in the time of through hollow slab 306, through heat conduction silicone grease 307 with the heat absorption on paper surface, transmit hollow slab 306 inside through a plurality of graphite flakes 308, because hollow slab 306 internally mounted has certain cooling liquid, absorb the heat through the water-cooling mode, reach the radiating purpose of cooling.

As shown in fig. 1, 2 and 3, the drying box 1 is internally provided with an up-down drying mechanism 4, and the paper surface is dried by the up-down drying mechanism 4, so that both surfaces of the printed paper can be rapidly dried, the overall drying effect is improved, and the problem that the local drying is not thorough in the conventional drying mode is effectively solved.

The up-down drying mechanism 4 comprises a metal frame 401 arranged inside a drying box 1, a plurality of heating rollers 402 are uniformly arranged on two sides of the inner wall of the metal frame 401, the outer ends of the heating rollers 402 are connected with the inner wall of the metal frame 401 through rotating shafts 403, a central column 404 is arranged inside the heating rollers 402, a plurality of heating sheets 405 are uniformly connected on the surface of the central column 404, a plurality of heat conducting grooves 406 are uniformly arranged on the surface of the heating rollers 402, the inner walls of the heat conducting grooves 406 are connected with the heating sheets 405 through heat conducting ceramic sheets 407, an upper heat mesh cover 408 is arranged on the top end of the metal frame 401, circulating seats 409 are arranged at two ends of the upper heat mesh cover 408, air inlet grooves 410 are arranged on the inner wall of the circulating seats 409, and after paper enters the drying box 1, the paper fed into the drying box 1 is conveyed to the surface of the metal frame 401, under the effect of axis of rotation 403, a plurality of heating rollers 402 constantly rotate, make the paper constantly move on heating roller 402, at first through the inside a plurality of heating plates 405 of heating roller 402 simultaneously the ohmic heating, the heat transmits the heat conduction groove 406 on heating roller 402 surface through heat conduction ceramic wafer 407, make heat evenly distributed at the surface of heating roller 402, make whole heating roller 402 all can carry out hot drying to the paper bottom surface, simultaneously along with the continuous rotation of heating roller 402, make the heat on heating roller 402 surface can evenly transmit to the paper, further improve the stoving effect.

Further, when bottom drying is performed, the upper heat net cover 408 on the metal frame 401 can perform heat drying on the upper surface of the paper, and the metal frame 401 at the bottom is matched to realize double-sided drying of the paper, so that the drying speed is increased.

Go up inside evenly installed a plurality of hot resistance post 411 of heat supply network lid 408, and install infrared heating pipe 412 between the adjacent hot resistance post 411, the inside top of stoving case 1 is installed and is just relative centrifugal fan 413 with last heat supply network lid 408, just go up heat supply network lid 408 surface and scribble the one deck and be used for insulating thermal insulating coating, and metal frame 401 surface is provided with one deck aerogel felt heat insulating mattress 8, when specifically using, go up heat supply network lid 408 through inside hot resistance post 411 and infrared heating pipe 412 synchronous heating, dual heating mode improves the heating effect, under centrifugal fan 413's effect, the heated air around hot resistance post 411 and the infrared heating pipe 412 is blown downwards to make the upper surface contact of hot-air direct and paper, thereby accomplish the stoving work of upper surface, cooperate the metal frame 401 of bottom, realize the comprehensive hot drying of paper.

Meanwhile, the aerogel felt heat insulation pad 8 arranged on the surface of the metal frame 401 can effectively reduce the heat transmitted to the metal frame 401, so that the heat utilization rate generated by the heating roller 402 is higher.

Drying case 1 externally mounted has the recovery subassembly 5 that is used for collecting the vapor of evaporation, simultaneously, because the printing paper is after the stoving, some hydrones that exist in the printing ink can be evaporated, through retrieving timely recovery processing of subassembly 5 to avoid steam to remain inside drying case 1, play good guard action to the whole equipment, also provide good environment for subsequent stoving work simultaneously.

As shown in fig. 1 and 4, the recycling assembly 5 includes a recycling cylinder 501 installed inside the recycling seats 409 at both sides, the top end of the recycling cylinder 501 is connected with the air inlet tank 410 through a branch hopper 502, a condensing assembly 503 is installed at the joint of the branch hopper 502 and the recycling cylinder 501, a circulating pipe 506 is installed at the top end of the surface of the branch hopper 502, air blown out by the centrifugal fan 413 flows downwards, after paper is dried, hot air after drying flows to the recycling seats 409 at both sides due to the blocking effect of the paper, hot air carrying water vapor enters the inside of the recycling seats 409 through the branch hopper 502, then condensation is performed by the condensing assembly 503 to remove water vapor in the hot air, and circulation of the hot air is realized through the circulating pipe 506.

It should be added that the condensation assembly 503 includes a condensation copper ring 507 installed inside the recovery cylinder 501, the inner wall of the condensation copper ring 507 is uniformly connected with a plurality of flowing copper tubes 508, the outer end of the condensation copper ring 507 is connected with a cooling seat 510 through an inclined tube 509, the inside of the cooling seat 510 is provided with a hollow cavity 505, the inner wall of the hollow cavity 505 is uniformly connected with a plurality of aluminum fins 504, the aluminum fins 504 penetrate through the inner wall of the hollow cavity 505, the aluminum fins 504 adopt a continuous curved structure, and the inside of the aluminum fins 504 is a hollow structure, firstly, before hot gas enters the recovery cylinder 501, the heat of the hot vapor is absorbed through the condensation copper ring 507 under the action of the condensation copper ring 507 and the flowing copper tubes 508, so that the hot vapor is liquefied into a liquid state and drops inside the recovery cylinder 501, on the other hand, the cooling liquid inside the condensation copper ring 507 and the flowing copper tubes 508 is heated and evaporated after absorbing the heat, and flows into the cooling base 510 along the inclined tube 509, and exchanges heat with the outside through the plurality of aluminum fins 504, so that the heat of the hot steam is quickly dissipated, the hot steam losing heat is liquefied in the cooling base 510, and flows back again along the inclined tube 510 to enter the condensing copper ring 507 and the flowing copper tube 508 under the action of gravity, and the circulating condensation work is realized.

And the aluminum fins 504 are of a continuous bent structure, so that the contact area with the outside is effectively increased, and the heat dissipation effect of the aluminum fins 504 is improved.

The top end of the circulating pipe 506 is connected with a continuous bending pipe 6, the tail end of the continuous bending pipe 6 is connected with an exhaust hopper 7, hot gas losing water vapor is discharged into the drying box 1 again through the continuous bending pipe 6, and the hot gas is discharged into the inner space of the drying box 1 through the exhaust hopper 7.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic drying equipment of lithography apparatus's paper which characterized in that: the drying device comprises a drying box (1), wherein a paper feeding mechanism (3) is installed on one side of the drying box (1) through a paper feeding opening (2), an upper and lower type drying mechanism (4) is installed inside the drying box (1), and a recovery assembly (5) for collecting evaporated water vapor is installed outside the drying box (1); the upper and lower drying mechanism (4) comprises a metal frame (401) arranged inside a drying box (1), a plurality of heating rollers (402) are uniformly arranged on two sides of the inner wall of the metal frame (401), the outer ends of the heating rollers (402) are connected with the inner wall of the metal frame (401) through rotating shafts (403), a central column (404) is arranged inside the heating rollers (402), a plurality of heating fins (405) are uniformly connected to the surface of the central column (404), a plurality of heat conducting grooves (406) are uniformly arranged on the surface of the heating rollers (402), the inner wall of each heat conducting groove (406) is connected with the corresponding heating fin (405) through a heat conducting ceramic wafer (407), an upper heat screen cover (408) is arranged at the top end of the metal frame (401), circulating seats (409) are respectively arranged at two ends of the upper heat screen cover (408), air inlet grooves (410) are arranged on the inner wall of the circulating seats (409), the recovery assembly (5) comprises recovery drums (501) arranged inside, the top end of the recovery cylinder (501) is connected with the air inlet groove (410) through a branch hopper (502), a condensation component (503) is installed at the joint of the branch hopper (502) and the recovery cylinder (501), and a circulating pipe (506) is installed at the top end of the surface of the branch hopper (502).

2. The automatic paper drying apparatus of a printing apparatus according to claim 1, wherein: go up inside evenly installed of heat supply network lid (408) a plurality of thermal resistance post (411), and install infrared heating pipe (412) between adjacent thermal resistance post (411), centrifugal fan (413) just relative with last heat supply network lid (408) are installed on the inside top of stoving case (1), just it scribbles the one deck and is used for isolated thermal insulating coating to go up heat supply network lid (408) surface, and metal frame (401) surface is provided with one deck aerogel felt heat insulating mattress (8).

3. The automatic paper drying apparatus of a printing apparatus according to claim 1, wherein: condensation subassembly (503) is including installing condensation copper ring (507) inside recovery drum (501), condensation copper ring (507) inner wall evenly is connected with a plurality of and flows copper pipe (508), and condensation copper ring (507) outer end is connected with cooling seat (510) through inclined tube (509).

4. The automatic paper drying apparatus of a printing apparatus according to claim 3, wherein: the cooling seat (510) is inside to be provided with hollow chamber (505), hollow chamber (505) inner wall evenly connected with a plurality of aluminium fin (504), aluminium fin (504) run through hollow chamber (505) inner wall, and aluminium fin (504) adopt continuous crooked column structure, and aluminium fin (504) inside is hollow structure.

5. The automatic paper drying apparatus of a printing apparatus according to claim 1, wherein: the top end of the circulating pipe (506) is connected with a continuous bending pipe (6), and the tail end of the continuous bending pipe (6) is connected with an exhaust hopper (7).

6. The automatic paper drying apparatus of a printing apparatus according to claim 1, wherein: paper feeding mechanism (3) is including installing paper feeding seat (301) in stoving case (1) one end, paper feeding seat (301) inside is provided with transport groove (302), and transport groove (302) inner wall both sides all are provided with fixed limiting plate (303), and install a plurality of transportation roller (304) between the fixed limiting plate (303) of both sides.

7. The automatic paper drying apparatus of a printing apparatus according to claim 1, wherein: the paper outlet groove (305) is installed at the other end of the drying box (1), a hollow plate (306) is arranged on the surface of the paper outlet groove (305), heat-conducting silicone grease (307) is arranged on the surface of the hollow plate (306), and the bottom end of the heat-conducting silicone grease (307) is connected with the inside of the hollow plate (306) through a plurality of graphite sheets (308).