CN108035189B

CN108035189B - Processing device and processing method of carbonless copy paper

Info

Publication number: CN108035189B
Application number: CN201711302982.XA
Authority: CN
Inventors: 唐丙振
Original assignee: Lianyungang Dongchuan Fiberglass Composite Material Co ltd
Current assignee: LIANYUNGANG DONGCHUAN FIBERGLASS COMPOSITE MATERIAL Co.,Ltd.
Priority date: 2017-12-11
Filing date: 2017-12-11
Publication date: 2020-12-15
Anticipated expiration: 2037-12-11
Also published as: CN108035189A

Abstract

The invention discloses a processing device of carbonless copy paper, which comprises a preprocessing mechanism, a coating mechanism and a curing mechanism, wherein the preprocessing mechanism comprises a first outer cover, the top of the first outer cover is provided with a chute, two spraying columns are arranged in the chute in a sliding manner, first steam pipes are arranged in the spraying columns, and the side surfaces of the spraying columns are provided with a plurality of first steam nozzles communicated with the first steam pipes; the coating mechanism comprises a second outer cover, a coating column is connected in the second outer cover through a hydraulic cylinder, a coating conveying pipe is arranged in the coating column, a plurality of coating jet orifices are arranged between the coating conveying pipe and the bottom surface of the coating column, a second steam pipe is also arranged in the coating column, and a second steam jet orifice communicated with the second steam pipe is arranged outside the coating jet orifices; the curing mechanism comprises a third outer cover, and two press rollers are symmetrically arranged in the third outer cover. The invention can improve the defects of the prior art, simplify the processing equipment and improve the processing quality of paper.

Description

Processing device and processing method of carbonless copy paper

Technical Field

The invention relates to the technical field of processing of carbonless copy paper, in particular to a processing device and a processing method of carbonless copy paper.

Background

Carbonless paper, also called carbonless copy paper, is paper without added carbon material, and is paper composed of upper paper, middle paper, lower paper and self-releasing paper, and generally carbonless original (double-coated) paper (hereinafter referred to as base paper) is manufactured by a paper machine and then processed into carbonless paper by special mechanical equipment. The processing mode is that the reverse side of upper paper (hereinafter referred to as CB) is coated with color developing capsules, the reverse side of middle paper (hereinafter referred to as CFB) is coated with color developing capsules, the obverse sides of CFB and lower paper (hereinafter referred to as CF) are coated with color developing agents, and the obverse side of self-releasing paper (hereinafter referred to as SC) is coated with chemical materials mixed by the color developing capsules and the color developing agents, the CB, the CFB and the CF are sequentially assembled and attached to each other, marks such as characters, patterns, lines and the like can be automatically displayed after enough force is received, and the mutual attachment of the SC and the SC is also based on the same principle. The existing processing method is to use coating equipment to coat corresponding coating on paper, and then to dry and solidify. The processing equipment of this mode is various, and area is big.

Disclosure of Invention

The invention aims to provide a processing device and a processing method of carbonless copy paper, which can overcome the defects of the prior art, simplify processing equipment and improve the processing quality of paper.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

The utility model provides a processingequipment of carbonless copy paper, includes preprocessing mechanism, coating mechanism and curing mechanism, its characterized in that:

the preprocessing mechanism comprises a first outer cover, a sliding groove is formed in the top of the first outer cover, two spraying columns are arranged in the sliding groove in a sliding mode, a first steam pipe is arranged in each spraying column, a plurality of first steam nozzles communicated with the first steam pipes are arranged on the side face of each spraying column, and a first heating part is arranged at the bottom of the first outer cover;

the coating mechanism comprises a second outer cover, a coating column is connected in the second outer cover through a hydraulic cylinder, a coating conveying pipe is arranged in the coating column, a plurality of coating jet ports are arranged between the coating conveying pipe and the bottom surface of the coating column, a second steam pipe is also arranged in the coating column, a second steam jet port communicated with the second steam pipe is arranged outside the coating jet port, the second steam jet port is annular, the second steam jet port and the coating jet port are coaxially arranged, an annular threaded connector is arranged outside the second steam jet port, a sealing cover is in threaded connection with the annular threaded connector, a rubber ring which is in plug-in connection with the coating jet port and the second steam jet port is fixed on the sealing cover, and a second heating part is arranged at the bottom of the second outer;

the curing mechanism comprises a third outer cover, two compression rollers are symmetrically arranged in the third outer cover, and cooling water pipes are arranged in the compression rollers.

Preferably, the first heating part comprises a plurality of first heating wires, a vent pipe is arranged at the top of each first heating wire, and a plurality of vent holes are arranged at the top of each vent pipe.

Preferably, the inner wall of the coating jet orifice is provided with a thread groove, a plurality of bypass holes are formed between the thread groove and the second steam jet orifice, and a plurality of notches are uniformly formed in the bottom of the coating jet orifice.

Preferably, the second heating part comprises a plurality of second heating wires, and a reflecting plate is arranged at the top of each second heating wire.

Preferably, the discharge side of compression roller is provided with the tensioning roller, is provided with two air nozzles between compression roller and the tensioning roller, and two air nozzles are located the upper and lower both sides of paper respectively, and the jet-propelled direction of air nozzle is towards the compression roller.

The processing method of the processing device for the carbonless copy paper comprises the following steps:

A. adjusting the distance between the two spraying columns according to the processing width, spraying steam to a processing area of the paper by using a first steam nozzle after the paper enters a preprocessing mechanism, and heating the paper by using a first heating part; the steam temperature is controlled to be 135-150 ℃, and the heating temperature of the first heating part is controlled to be 155-160 ℃;

B. according to the processing width setting of the preprocessing mechanism, an annular threaded interface outside a processing area is sealed by a sealing cover, then the spraying range of a coating column is accurately adjusted through the expansion and contraction of a hydraulic cylinder, the paper processed by the preprocessing mechanism uses the coating column to spray coating on the surface of the paper in the coating mechanism, and meanwhile, a second heating part heats the paper; the steam temperature is controlled to be 165-180 ℃, and the heating temperature of the first heating part is controlled to be 165-180 ℃;

C. and cooling the paper processed by the coating mechanism by a middle press roller of a curing mechanism to obtain a finished product.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: according to the invention, the paper is preheated and wetted firstly during spraying, so that the absorption uniformity of the paper for the coating during spraying is improved. When the spraying, the mixed spray mode of using steam and coating sprays the paper surface, can effectively improve the coating and adhere to the not good problem of degree of consistency on the paper surface, utilizes the second heating portion to the heating of paper here simultaneously, can carry out rapid heating solidification to the coating of bottom to shorten whole processing technology process. And finally, the paper is prevented from curling and deforming by cooling the compression roller.

The bottom of the paper is blown and swept by the vent pipe in the first heating part, so that the heating uniformity of the first heating part can be improved, and more importantly, the wetting degree of the bottom of the paper is uniformly distributed by using the air flow which tells the flowing. By arranging the bypass hole between the coating material jet orifice and the second steam jet orifice, the steam and the coating material fluid rotating at high speed can be quickly mixed, and the mixing uniformity of the steam and the coating material is improved. Since the coating of the carbonless copy paper contains microcapsules, the microcapsules may be broken if the pressure is too high. However, insufficient cooling can result if the pressure between the press rolls and the paper surface is too low during the curing process. In order to solve the problem, the tension roller is arranged, so that the flexible adjustment of the compression joint force between the paper and the compression roller can be realized, meanwhile, the air nozzle is matched for purging the paper, and the paper can be cooled by utilizing high-speed airflow under the condition that the compression roller and the surface of the paper keep smaller pressure.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present invention.

FIG. 2 is a block diagram of a preprocessing mechanism in one embodiment of the present invention.

FIG. 3 is a block diagram of a coating mechanism in accordance with one embodiment of the present invention.

Fig. 4 is a structural view of a coating ejection port in an embodiment of the present invention.

FIG. 5 is a block diagram of a curing mechanism according to an embodiment of the present invention.

In the figure: 1. a preprocessing mechanism; 2. a coating mechanism; 3. a curing mechanism; 4. a first housing; 5. a chute; 6. a spray column; 7. a first steam vent; 8. a first heating section; 9. a first steam pipe; 10. a hydraulic cylinder; 11. coating the column; 12. a paint delivery pipe; 13. a paint ejection port; 14. a second housing; 15. a second steam pipe; 16. a second steam vent; 17. an annular threaded interface; 18. a sealing cover; 19. a rubber ring; 20. a second heating section; 21. a third housing; 22. a compression roller; 23. a cooling water pipe; 24. a first heater wire; 25. a breather pipe; 26. a vent hole; 27. a thread groove; 28. a bypass orifice; 29. a notch; 30. a second heating wire; 31. a reflective plate; 32. a tension roller; 33. an air nozzle; 34. paper; 35. a third heating wire; 36. a wire mesh layer; 37. a flow guide pipe; 38. a conical baffle.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Referring to fig. 1-5, one embodiment of the present invention includes a preparation mechanism 1, a coating mechanism 2, and a curing mechanism 3, wherein:

the preprocessing mechanism 1 comprises a first outer cover 4, a sliding chute 5 is arranged at the top of the first outer cover 4, two spraying columns 6 are arranged in the sliding chute 5 in a sliding mode, a first steam pipe 9 is arranged in each spraying column 6, a plurality of first steam nozzles 7 communicated with the first steam pipes 9 are arranged on the side faces of the spraying columns 6, and a first heating part 8 is arranged at the bottom of the first outer cover 4;

the coating mechanism 2 comprises a second outer cover 14, a coating column 11 is connected in the second outer cover 14 through a hydraulic cylinder 10, a coating conveying pipe 12 is arranged in the coating column 11, a plurality of coating jet ports 13 are arranged between the coating conveying pipe 12 and the bottom surface of the coating column 11, a second steam pipe 15 is further arranged in the coating column 11, a second steam jet port 16 communicated with the second steam pipe 15 is arranged outside the coating jet ports 13, the second steam jet port 16 is annular, the second steam jet port 16 and the coating jet ports 13 are coaxially arranged, an annular threaded connector 17 is arranged outside the second steam jet port 16, a sealing cover 18 is in threaded connection with the annular threaded connector 17, a rubber ring 19 which is mutually inserted with the coating jet ports 13 and the second steam jet port 16 is fixed on the sealing cover 18, and a second heating part 20 is arranged at the bottom of the second outer cover 14;

the curing mechanism 3 comprises a third outer cover 21, two press rolls 22 are symmetrically arranged in the third outer cover 21, and cooling water pipes 23 are arranged in the press rolls 22.

The first heating part 8 comprises a plurality of first heating wires 24, a vent pipe 25 is arranged on the top of each first heating wire 24, and a plurality of vent holes 26 are arranged on the top of the vent pipe 25.

The inner wall of the coating jet orifice 13 is provided with a thread groove 27, a plurality of bypass holes 28 are arranged between the thread groove 27 and the second steam jet orifice 16, and the bottom of the coating jet orifice 13 is uniformly provided with a plurality of notches 29.

The second heating part 20 includes a plurality of second heating wires 30, and a reflective plate 31 is disposed on the top of the second heating wires 30.

The discharge side of the press roll 22 is provided with a tension roll 32, two air nozzles 33 are arranged between the press roll 22 and the tension roll 32, the two air nozzles 33 are respectively positioned at the upper side and the lower side of the paper 34, and the air injection direction of the air nozzles (33) faces the press roll 22.

In addition, since the temperature difference between the paint and the steam is large, steam condensation due to excessive heat release of the steam is likely to occur when mixing is performed at the paint ejection port 13. To solve this problem, a third heating wire 35 is provided in the paint ejection opening 13 for preheating the paint. And the outer side of the third heating wire 35 is wrapped by a metal wire mesh layer 36, so that the uniformity of heating the coating can be improved. The coating jet orifice 13 is also internally provided with a guide pipe 37, a conical baffle plate 38 is arranged below the guide pipe 37, and the coating inside the guide pipe 37 directly flows to the surface of the conical baffle plate 38 and then is refracted outwards, so that the coating in the coating jet orifice 13 is accelerated to be sprayed outwards and mixed with steam.

A. adjusting the distance between the two spraying columns 6 according to the processing width, spraying steam to a processing area of the paper 34 by using the first steam nozzle 7 after the paper 34 enters the preprocessing mechanism 1, and simultaneously heating the paper 34 by using the first heating part 8; the steam temperature is controlled to be 135-150 ℃, and the heating temperature of the first heating part 8 is controlled to be 155-160 ℃;

B. according to the processing width setting of the preprocessing mechanism 1, the annular threaded connector 17 outside the processing area is sealed by the sealing cover 18, then the spraying range of the coating column 11 is accurately adjusted through the expansion and contraction of the hydraulic cylinder 10, the paper 34 processed by the preprocessing mechanism 1 is sprayed with the coating on the surface of the coating column 11 in the coating mechanism 2, and meanwhile, the second heating part 20 heats the paper; the steam temperature is controlled to be 165-180 ℃, and the heating temperature of the first heating part 8 is controlled to be 165-180 ℃;

C. the paper 34 processed by the coating mechanism 2 is cooled by the middle press roll 22 of the curing mechanism 3 to obtain a finished product.

The coating raw materials of the carbonless copy paper belong to the prior art (for example, Chinese patent CN 104611987B), and the coating raw materials of different layers are different. Therefore, the processing parameters in the processing process of different coating raw materials are different, and the skilled person can select and implement the appropriate processing parameters through experiments when processing by using the existing coating raw materials.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a processingequipment of carbonless copy paper, includes preprocessing mechanism (1), coating mechanism (2) and curing mechanism (3), its characterized in that:

the preprocessing mechanism (1) comprises a first outer cover (4), a sliding chute (5) is arranged at the top of the first outer cover (4), two spraying columns (6) are arranged in the sliding chute (5) in a sliding mode, first steam pipes (9) are arranged in the spraying columns (6), a plurality of first steam nozzles (7) communicated with the first steam pipes (9) are arranged on the side faces of the spraying columns (6), and a first heating part (8) is arranged at the bottom of the first outer cover (4);

the coating mechanism (2) comprises a second outer cover (14), a coating column (11) is connected in the second outer cover (14) through a hydraulic cylinder (10), a coating conveying pipe (12) is arranged in the coating column (11), a plurality of coating jet orifices (13) are arranged between the coating conveying pipe (12) and the bottom surface of the coating column (11), a second steam pipe (15) is further arranged in the coating column (11), a second steam jet orifice (16) communicated with the second steam pipe (15) is arranged on the outer side of the coating jet orifice (13), the second steam jet orifice (16) is annular, the second steam jet orifice (16) and the coating jet orifice (13) are coaxially arranged, an annular threaded connector (17) is arranged on the outer side of the second steam jet orifice (16), a sealing cover (18) is in threaded connection with the annular threaded connector (17), and a rubber ring (19) which is mutually inserted with the coating jet orifice (13) and the second steam jet orifice (16) is fixed on the sealing cover, a second heating part (20) is arranged at the bottom of the second outer cover (14);

the curing mechanism (3) comprises a third outer cover (21), two press rolls (22) are symmetrically arranged in the third outer cover (21), and cooling water pipes (23) are arranged in the press rolls (22);

the first heating part (8) comprises a plurality of first heating wires (24), the top of each first heating wire (24) is provided with a vent pipe (25), and the top of each vent pipe (25) is provided with a plurality of vent holes (26);

a thread groove (27) is formed in the inner wall of the coating jet opening (13), a plurality of bypass holes (28) are formed between the thread groove (27) and the second steam jet opening (16), and a plurality of notches (29) are uniformly formed in the bottom of the coating jet opening (13);

the second heating part (20) comprises a plurality of second heating wires (30), and a reflecting plate (31) is arranged at the top of each second heating wire (30);

a tension roller (32) is arranged on the discharge side of the compression roller (22), two air nozzles (33) are arranged between the compression roller (22) and the tension roller (32), the two air nozzles (33) are respectively positioned on the upper side and the lower side of the paper (34), and the air injection direction of the air nozzles (33) faces towards the compression roller (22)

A third heating wire (35) is arranged in the paint jet opening (13), a metal wire mesh layer (36) is wrapped outside the third heating wire (35), a guide pipe (37) is further arranged in the paint jet opening (13), and a conical baffle (38) is arranged below the guide pipe (37).

2. A method of processing the carbonless copy paper processing apparatus of claim 1, comprising the steps of:

A. adjusting the distance between the two spraying columns (6) according to the processing width, spraying steam to a processing area of the paper (34) by using a first steam nozzle (7) after the paper (34) enters the preprocessing mechanism (1), and simultaneously heating the paper (34) by using a first heating part (8); the steam temperature is controlled to be 135-150 ℃, and the heating temperature of the first heating part (8) is controlled to be 155-160 ℃;

B. according to the processing width setting of the preprocessing mechanism (1), an annular threaded interface (17) outside a processing area is sealed by a sealing cover (18), then the spraying range of a coating column (11) is accurately adjusted through the expansion and contraction of a hydraulic cylinder (10), the coating column (11) is used for spraying coating on the surface of paper (34) processed by the preprocessing mechanism (1) in the coating mechanism (2), and meanwhile a second heating part (20) heats the paper; the steam temperature is controlled to be 165-180 ℃, and the heating temperature of the first heating part (8) is controlled to be 165-180 ℃;

C. and cooling the paper (34) processed by the coating mechanism (2) by a middle press roll (22) of the curing mechanism (3) to obtain a finished product.