CN211036559U

CN211036559U - Paper coloring device

Info

Publication number: CN211036559U
Application number: CN201921817842.0U
Authority: CN
Inventors: 虞立强; 郑军; 蔡柳炀
Original assignee: Hangzhou Best Decorative Material Co ltd
Current assignee: Hangzhou Best Decorative Material Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-17
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to a paper device of coloring relates to paper dyeing technical field, and the current device of coloring has the uneven problem of coloring. The scheme includes that the paper-making device comprises a coloring frame, wherein a coloring mechanism and a scraping mechanism are sequentially arranged on the coloring frame along a paper transmission direction, the coloring mechanism comprises a first coloring assembly and a second coloring assembly which are respectively used for coloring two sides of paper, the scraping mechanism comprises a first scraping roller and a second scraping roller which are respectively used for scraping the two sides of the paper, the first scraping roller and the second scraping roller are arranged in parallel, and a connecting line of a central axis of the first scraping roller and a central axis of the second scraping roller is perpendicular to a paper transmission direction; the upper color frame is provided with a first driving component for driving the first scraping roller and the second scraping roller to rotate reversely. This scheme can all carry out the dyestuff to paper two sides and color to carry out the control of dyestuff layer thickness with scraping the material mechanism to paper two sides, thereby improve the quality of final finished product paper.

Description

Paper coloring device

Technical Field

The utility model belongs to the technical field of the paper dyeing technique and specifically relates to a paper device of coloring is related to.

Background

The decorative paper seen in the market at present generally has two types of production methods, namely, the decorative paper is obtained by directly dyeing in slurry by a paper mill and then papermaking by a paper machine; and the white base paper of a paper mill is used by a reprocessing plant and is obtained by dyeing, coating or manually coloring through a dyeing tank.

For the second coloring method, the prior art can refer to, for example, chinese patent No. CN201713729U, which discloses a device for directly coloring and painting paper on a paper machine, wherein a series of spray guns are transversely arranged at the front end of the drying part of the paper machine, the liquid inlet of the spray gun is connected to the outlet of a power sprayer through a spray pipe, and the inlet of the power sprayer is connected to a dye storage barrel through a pipette. And (3) before drying, carrying out spray dyeing and coating on the prepared dye by using a white suction type power sprayer and a spray gun.

The above prior art solutions have the following drawbacks: when the coloring device is used for coloring paper, if the paper transmission rate is changed and the spraying amount in the unit time of the dye is not correspondingly changed, the dye attachment amount in the unit area of the paper is uneven, the problem of uneven thickness and uneven coloring of a pigment layer on the surface of the paper can occur, and the quality of finished paper is finally influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a paper device of coloring can all carry out the dyestuff to color to the paper two sides to carry out the control of dyestuff layer thickness to the paper two sides with scraping the material mechanism, thereby improve the quality of final product paper.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a paper coloring device comprises a coloring frame, wherein a coloring mechanism and a scraping mechanism are sequentially arranged on the coloring frame along a paper transmission direction, the coloring mechanism comprises a first coloring assembly and a second coloring assembly which are respectively used for coloring two sides of paper, the scraping mechanism comprises a first scraping roller and a second scraping roller which are respectively used for scraping materials on two sides of the paper, the first scraping roller and the second scraping roller are arranged in parallel, and the connecting line of the central axis of the first scraping roller and the central axis of the second scraping roller is perpendicular to the paper transmission direction; the upper color frame is provided with a first driving component for driving the first scraping roller and the second scraping roller to rotate reversely.

Through adopting above-mentioned technical scheme, along with the rotation of first scraping roller and second scraping roller, can scrape the unnecessary dyestuff in paper both sides down to the dyestuff thickness of control paper both sides is with the final finished product quality of improvement.

Preferably: the upper rotating frame of the coloring frame is provided with a guide roller, the guide roller is positioned between the coloring mechanism and the scraping mechanism along the paper conveying direction, and the paper is guided by the guide roller to be in an inclined state; the scraping mechanism is arranged close to the guide roller, and the first driving assembly drives the guide roller to rotate simultaneously.

Through adopting above-mentioned technical scheme, the guide roll is used for being the paper direction of horizontal transport with the front end and is the tilt up state. Because the paper is flexible, after too much dye is adhered, the middle part of the paper can sag downwards, so that the distance between the paper and the first scraping roller and the distance between the paper and the second scraping roller are changed, and the subsequent dye thickness control is influenced; the purpose that the guide roller guides the paper to be obliquely arranged and the purpose that the scraping mechanism is arranged close to the guide roller as much as possible are both to reduce the influence of the weight of the dye and the weight of the paper on the sagging of the paper, so that the thickness of the dye layer can be controlled more accurately.

Preferably: install the collecting vat in the frame of coloring and color the mechanism and scrape the top that the material mechanism all is located the collecting vat.

Through adopting above-mentioned technical scheme, no matter color the process or scrape the material process, unnecessary dyestuff can flow into the collecting vat on the paper, and the collecting vat can be collected so that recycle this part dyestuff to realize material saving and reduce environmental pollution's purpose.

Preferably: the first coloring assembly comprises a coloring roller rotatably erected in a coloring frame, a coloring cavity is arranged in the coloring roller, a plurality of groups of coloring hole groups for communicating the coloring cavity are formed in the peripheral wall of the coloring roller, the groups of coloring hole groups are distributed at equal intervals along the axial direction of the coloring roller, and each group of coloring hole groups comprises a plurality of coloring holes distributed at equal intervals along the circumferential direction of the coloring roller; the first coloring assembly also comprises a coloring pipe with the end communicated into the coloring roller and a coloring pump for transferring the dye in the collecting tank into the coloring pipe; and a second driving component for driving the coloring roller to rotate circumferentially is arranged on the coloring frame.

Through adopting above-mentioned technical scheme, dye accessible aperture in the color chamber is less goes up the color hole and oozes outside the roller of coloring to adhere to and go up the roller periphery in order to form the dye membrane, go up the roller of coloring and rotate the in-process, can scribble the side on the paper with the dye membrane seal.

Preferably: go up the color roll and be equipped with two at least and many roller parallel arrangement of coloring.

By adopting the technical scheme, when the paper is high in transmission speed, the seepage rate of the dye in the first coloring roller can not follow up, so that the dye cannot be completely coated on the periphery of the whole coloring roller, and further, non-printing areas distributed at intervals exist on the upper surface of the paper; in the scheme, more than one coloring roller is arranged, so that the non-coloring area of the paper can be reduced, and the coloring rate is improved.

Preferably: two adjacent last color holes on the roller of coloring are along coloring the axial of roller and be crisscross the arrangement.

By adopting the technical scheme, when the paper is high in transmission speed, the seepage rate of the dye in the first coloring roller can not follow up, so that the dye cannot be completely coated on the periphery of the whole coloring roller, and further unprinted areas distributed at intervals exist on the upper surface of the paper; in this scheme, because the last color hole on two adjacent rollers of coloring is along coloring the roller axial and be crisscross the arranging, then the seal of a back last roller of coloring scribbles the region and can cover the region of scribbling of the last roller of coloring not scribbling to guarantee the quality of coloring of paper.

Preferably: the second coloring assembly comprises a coating roller which is rotatably erected in the coloring frame, the coating roller is positioned right below the coloring roller, and the coating roller is partially positioned in the collecting tank; and a third driving component for driving the coating roller to rotate in the circumferential direction is arranged on the coloring frame.

By adopting the technical scheme, the coating roller is partially positioned in the collecting tank, namely the coating roller can be immersed below the dye liquid level in the collecting tank, and the dye can be coated on the lower surface of the paper along with the rotation of the coating roller.

Preferably: the drawing mechanism is arranged on the coloring frame and located at the front end of the coloring mechanism, the drawing mechanism comprises two drawing rollers which are rotatably arranged in the coloring frame, a drawing gap for paper to pass through is formed between the two drawing rollers, and a fourth driving assembly for driving the two drawing rollers to rotate in the circumferential direction is arranged on the coloring frame.

By adopting the technical scheme, the traction mechanism is used for drawing paper.

To sum up, the utility model discloses a beneficial technological effect does:

1. the scheme can dye both sides of the paper, and the thickness of the dye layer is controlled on both sides of the paper by using the scraping mechanism, so that the quality of the final finished paper is improved;

2. in the scheme, the guide roller can guide the paper to be obliquely arranged, and the scraping mechanism is arranged close to the guide roller, so that the influence of the weight of the dye and the weight of the paper on the sagging of the paper can be reduced, and the thickness of the dye layer can be controlled more accurately;

3. in this scheme, owing to be equipped with many last look rollers and two adjacent last look holes on the roller of coloring along coloring the roller axial and be crisscross the arranging, then the seal of a back last look roller scribbles the region and can cover the seal of a preceding last look roller scribbles the region to guarantee the quality of coloring of paper.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a first embodiment of the present solution.

Fig. 3 is a schematic view of another perspective structure according to the first embodiment of the present disclosure.

Fig. 4 is another schematic cross-sectional view of the first embodiment of the present disclosure, showing the connection relationship between the coloring roller and the coloring frame.

In the figure, 1, a coloring frame; 11. collecting tank; 2. a pulling mechanism; 21. a pulling roll; 22. a fourth drive assembly; 3. a first coloring assembly; 31. a coloring roller; 32. a second drive assembly; 33. a coloring cavity; 34. a coloring hole; 35. a coloring tube; 36. a coloring pump; 37. a coloring rod; 38. coloring cover; 39. sealing the bearing; 4. a second coloring assembly; 41. a coating roll; 42. a third drive assembly; 5. a guide roller; 6. a scraping mechanism; 61. a first scraping roller; 62. a second scraping roller; 63. a first drive assembly; 7. paper.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a paper device of coloring, including coloring frame 1, coloring frame 1 is last to be equipped with traction mechanism 2 along 7 direction of transfer of paper in proper order, coloring mechanism, guide roll 5, scrape material mechanism 6, traction mechanism 2 is used for tractive paper 7, and control paper 7 feeds the speed of coloring mechanism department, coloring mechanism is used for coloring 7 both sides face of paper, guide roll 5 is used for being the paper 7 direction of horizontal transport with the front end and is the tilt up state, and in the material mechanism 6 is scraped in the feeding, scrape material mechanism 6 and be used for striking off the thickness on 7 surperficial unnecessary dyestuff of paper with control dyestuff layer.

The traction mechanism 2 comprises two traction rollers 21 which are rotatably erected in the coloring frame 1, a traction gap for the paper 7 to pass through is formed between the two traction rollers 21, a fourth driving assembly 22 for driving the two traction rollers 21 to rotate circumferentially is installed on the coloring frame 1, the fourth driving assembly 22 comprises a motor and two gears, the motor is connected to the coloring frame 1, the two gears are respectively and fixedly installed at the end parts of the two traction rollers 21 and are meshed with each other, and an output shaft of the motor is fixedly connected to the end part of one of the two traction rollers 21; the start motor can drive the two pulling rollers 21 to rotate reversely so as to realize the pulling of the paper 7.

Install collecting vat 11 in coloring frame 1, and color the mechanism and scrape the top that material mechanism 6 all is located collecting vat 11, then no matter color the process or scrape the material process, unnecessary dyestuff can flow into collecting vat 11 on the paper 7 in, collecting vat 11 can be collected so that recycle this part dyestuff to realize material saving and reduce environmental pollution's purpose.

The coloring mechanism comprises a first coloring component 3 and a second coloring component 4 which are respectively used for coloring the upper side and the lower side of the paper 7, the first coloring component 3 comprises three coloring rollers 31 which are rotatably erected in the coloring rack 1, and the three coloring rollers 31 which are arranged in parallel are arranged at equal intervals along the transmission direction of the paper 7; install on coloring frame 1 and be used for driving three second drive assembly 32 of going up look roller 31 circumferential direction, second drive assembly 32 includes a motor, three belt pulley, two annular belts, and the motor is connected on coloring frame 1, and three belt pulley is connected respectively in three tip of going up look roller 31, and every belt is used for connecting two adjacent belt pulleys, starts this motor and can drive three synchronous syntropy rotations of going up look roller 31.

Referring to fig. 2 and 3, a coloring cavity 33 is arranged inside the coloring roller 31, and a plurality of groups of coloring hole groups for communicating the coloring cavity 33 are formed on the outer circumferential wall of the coloring roller 31 and are arranged at equal intervals along the axial direction of the coloring roller 31, and each group of coloring hole groups comprises a plurality of coloring holes 34 arranged at equal intervals around the circumferential direction of the coloring roller 31; the coloring holes 34 on two adjacent coloring rollers 31 are arranged in a staggered manner along the axial direction of the coloring roller 31. It is worth to be noted that the dye in the coloring cavity 33 can permeate out of the coloring roller 31 through the coloring holes 34 with smaller hole diameters and is attached to the periphery of the coloring roller 31 to form a dye film, and the dye film can be printed on the upper side surface of the paper 7 by the coloring roller 31 in the rotating process; when the paper 7 is transported at a high speed, the bleeding rate of the dye in the first coloring roller 31 may not be kept up with the bleeding rate, so that the dye is not completely coated on the periphery of the whole coloring roller 31, and further, unprinted areas arranged at intervals exist on the upper surface of the paper 7; in the scheme, the coloring holes 34 on two adjacent coloring rollers 31 are arranged in a staggered manner along the axial direction of the coloring roller 31, so that the printing area of the next coloring roller 31 can cover the non-printing area of the previous coloring roller 31, thereby ensuring the coloring quality of the paper 7.

The first coloring assembly 3 further comprises a coloring pipe 35 with an end communicated into the coloring roller 31 and a coloring pump 36 for transmitting the dye in the collecting tank 11 into the coloring pipe 35, wherein the coloring pump 36 is positioned outside the collecting tank 11, a pipeline is communicated between the coloring pump 36 and the collecting tank 11, and the coloring pump 36 divides the dye in the collecting tank 11 into three strands and conveys the dye to the three coloring rollers 31.

Referring to fig. 4, a coloring rod 37 is fixed at one end of the coloring roller 31, the coloring rod 37 is coaxially arranged with the coloring roller 31, and the end of the coloring rod 37 penetrates through the coloring frame 1 and is connected with the second driving assembly 32; go up the color roller 31 other end and be fixed with coloring cover 38, and color cover 38 and coloring roller 31 coaxial line setting, color cover 38 and color chamber 33 intercommunication, and color cover 38 one end and wear on coloring frame 1, go up the colour tube 35 tip and pass through coloring cover 38 and communicate into in color chamber 33, go up the colour tube 35 periphery and color and be connected with sealed bearing 39 between the cover 38 internal periphery.

Referring to fig. 1 and 2, the second coloring assembly 4 includes three coating rollers 41 rotatably mounted in the coloring frame 1, the three coating rollers 41 correspond to the three coloring rollers 31, and each coating roller 41 is located right below the corresponding coloring roller 31; the applicator roller 41 is located partially within the collection tank 11, i.e., the applicator roller 41 is immersed below the level of the dye in the collection tank 11, and the dye is applied to the lower surface of the paper sheet 7 as the applicator roller 41 rotates. Install the third drive assembly 42 that is used for driving coating roll 41 circumferential direction on coloring frame 1, third drive assembly 42 includes a motor, three belt pulley, two annular belts, and the motor is connected on coloring frame 1, and three belt pulley is connected respectively in three coating roll 41's tip, and every belt is used for connecting two adjacent belt pulleys, starts this motor and can drive three synchronous syntropy rotations of coating roll 41. It is noted that the coloring roller 31 and the applying roller 41 are rotated in opposite directions.

The guide roller 5 is rotatably erected in the coloring frame 1 and guides the paper 7, the front end of which is horizontally conveyed, in an upwardly inclined state.

The scraping mechanism 6 is arranged close to the guide roller 5, the scraping mechanism 6 comprises a first scraping roller 61 and a second scraping roller 62 which are respectively used for scraping the upper side and the lower side of the paper 7, the first scraping roller 61 and the second scraping roller 62 are arranged in parallel, and the connecting line of the central axis of the first scraping roller 61 and the central axis of the second scraping roller 62 is perpendicular to the transmission direction of the paper 7; the upper color frame 1 is provided with a first driving assembly 63, the first driving assembly 63 is used for driving the first scraping roller 61, the second scraping roller 62 and the guide roller 5 to synchronously rotate, the rotation directions of the second scraping roller 62 and the guide roller 5 are the same, and the rotation directions of the first scraping roller 61 and the second scraping roller 62 are opposite. With the rotation of the first scraping roller 61 and the second scraping roller 62, the excess dye on the surface of the paper 7 can be scraped to control the thickness of the dye layer, and the scraped dye can timely flow back to the collecting tank 11 due to the inclined arrangement of the paper 7; it should be noted that, because the paper 7 is flexible, after too much dye adheres to the paper 7, the middle of the paper 7 may sag downward, which causes the distance between the paper 7 and the first scraping roller 61 and the second scraping roller 62 to change, thereby affecting the subsequent dye thickness control; the purpose of the guide roller 5 guiding the paper 7 to be inclined and the purpose of the scraping mechanism 6 being arranged close to the guide roller 5 as much as possible are to reduce the influence of the weight of the dye and the weight of the paper 7 on the sagging of the paper 7, so that the thickness of the dye layer can be controlled more accurately.

The first driving assembly 63 comprises a motor and two gears, the motor is connected to the coloring frame 1, the two gears are respectively and fixedly arranged at the end parts of the two scraping rollers and are in external engagement, and an output shaft of the motor is fixedly connected to the end part of one of the drawing rollers 21; the starting motor can drive the two scraping rollers to rotate reversely.

The implementation principle of the embodiment is as follows: after the two sides of the paper 7 are colored through the coloring mechanism, the scraping mechanism 6 can scrape the dye on the coating to control the dye layer to be in proper thickness, and finally the coloring quality of the generated paper 7 can be improved.

It is explained that, in the coloring process, the dye in the coloring roller 31 can permeate to the outer wall of the coloring roller 31 through the coloring holes 34 to form a dye film coated on the periphery of the coloring roller 31, and the dye film can be used for printing and coating the upper surface of the paper 7; and coating roller 41 may apply the dye in collection trough 11 to the lower surface of paper 7.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a paper device of coloring, is including coloring frame (1), its characterized in that: the paper sheet fixing device is characterized in that a coloring mechanism and a scraping mechanism (6) are sequentially arranged on the coloring frame (1) along the transmission direction of paper sheets (7), the coloring mechanism comprises a first coloring assembly (3) and a second coloring assembly (4) which are used for coloring two sides of the paper sheets (7) respectively, the scraping mechanism (6) comprises a first scraping roller (61) and a second scraping roller (62) which are used for scraping materials on two sides of the paper sheets (7) respectively, the first scraping roller (61) and the second scraping roller (62) are arranged in parallel, and the connecting line of the central axis of the first scraping roller (61) and the central axis of the second scraping roller (62) is perpendicular to the transmission direction of the paper sheets (7); the coloring frame (1) is provided with a first driving component (63) for driving the first scraping roller (61) and the second scraping roller (62) to rotate reversely.

2. A paper coloring apparatus according to claim 1, wherein: the upper rotating frame of the coloring frame (1) is provided with a guide roller (5), the guide roller (5) is positioned between the coloring mechanism and the scraping mechanism (6) along the conveying direction of the paper (7), and the paper (7) is guided by the guide roller (5) to be in an inclined state; the scraping mechanism (6) is arranged close to the guide roller (5) and the first driving component (63) drives the guide roller (5) to rotate simultaneously.

3. A paper coloring apparatus according to claim 1, wherein: install collecting vat (11) and color the mechanism and scrape the top that material mechanism (6) all are located collecting vat (11) in coloring frame (1).

4. A paper coloring apparatus according to claim 3, wherein: the first coloring assembly (3) comprises a coloring roller (31) which is rotatably erected in the coloring frame (1), a coloring cavity (33) is formed in the coloring roller (31), a plurality of groups of coloring hole groups which are used for being communicated with the coloring cavity (33) are formed in the outer peripheral wall of the coloring roller (31), the plurality of groups of coloring hole groups are arranged at equal intervals along the axial direction of the coloring roller (31), and each group of coloring hole groups comprises a plurality of coloring holes (34) which are arranged at equal intervals around the circumferential direction of the coloring roller (31); the first coloring assembly (3) further comprises a coloring pipe (35) with the end part communicated into the coloring roller (31), and a coloring pump (36) used for transferring the dye in the collecting tank (11) into the coloring pipe (35); the coloring frame (1) is provided with a second driving component (32) for driving the coloring roller (31) to rotate in the circumferential direction.

5. A paper coloring apparatus according to claim 4, wherein: the upper color rollers (31) are provided with at least two upper color rollers (31) which are arranged in parallel.

6. A paper coloring apparatus according to claim 5, wherein: the coloring holes (34) on the two adjacent coloring rollers (31) are arranged in a staggered mode along the axial direction of the coloring roller (31).

7. A paper coloring apparatus according to claim 4, wherein: the second coloring assembly (4) comprises a coating roller (41) rotatably erected in the coloring frame (1), the coating roller (41) is positioned right below the coloring roller (31), and part of the coating roller (41) is positioned in the collecting tank (11); the coloring frame (1) is provided with a third driving component (42) for driving the coating roller (41) to rotate in the circumferential direction.

8. A paper coloring apparatus according to claim 1, wherein: install on coloring frame (1) that traction mechanism (2) and traction mechanism (2) are located the front end of coloring the mechanism, traction mechanism (2) locate two tractive rollers (21) in coloring frame (1) including the rotating turret, and form the tractive clearance that supplies paper (7) to pass through between two tractive rollers (21), color and install on frame (1) and be used for driving four drive assembly (22) of two tractive rollers (21) circumferential direction.