阅读说明：本技术 一种防近视课业簿册生产工艺及生产线 (Production process and production line of myopia-preventing textbook ) 是由 张金平 景耀军 魏中兵 余川 于 2021-05-21 设计创作，主要内容包括：一种防近视课业簿册生产工艺,包括以下工序,依次为：卷筒纸放卷工序、柔印版印刷工序、立线工序、分割工序、折页工序、横向分切工序、数页叠纸工序、配送封底工序、封面工序、翻转工序、上胶工序、烘干工序、裹背条工序、收本工序、裁切成品工序；在防近视课业簿册生产线线尾增加收册堆叠装置。防近视课业簿册生产工艺和生产线采用新的防近视油墨配色方案,解决市面上防近视课业簿防近视产品效果欠佳问题；在生产线线尾设置收册堆叠装置,节约劳动力,提高了生产效率。(A production process of a myopia-preventing textbook comprises the following steps in sequence: the method comprises the steps of a roll paper unreeling process, a flexographic printing plate printing process, a vertical line process, a dividing process, a folding process, a transverse cutting process, a plurality of paper folding processes, a distribution back cover process, a front cover process, a turning process, a gluing process, a drying process, a back wrapping process, a collecting process and a finished product cutting process; a book collecting and stacking device is added at the tail of a myopia-preventing textbook production line. The production process and production line of the anti-myopia textbook adopt a new anti-myopia printing ink color matching scheme, so that the problem that the anti-myopia products of the anti-myopia textbook on the market are poor in effect is solved; the book collecting and stacking device is arranged at the tail of the production line, so that labor force is saved, and production efficiency is improved.)

1. A production process of a myopia-preventing textbook is characterized by comprising the following steps in sequence: the production process comprises a roll paper unreeling process, a flexographic printing plate printing process, a line erecting process, a dividing process, a folding process, a transverse cutting process, a plurality of paper folding process, a distribution back cover process, a front cover process, a turning process, a gluing process, a drying process, a back wrapping process, a book collecting process and a finished product cutting process.

2. A process for the production of a myopia-preventing textbook according to claim 1, wherein the color matching of the myopia-preventing ink in the flexographic printing process comprises the following steps:

(1) searching for spectral tristimulus values: taking 510-550 nm as a research object within the range of 500-590 nm of the myopia prevention spectrum, and searching for corresponding color tristimulus values of 510-550 nm through a lookup table;

(2) build 8 base colors: at a quantitative rate of 157g/m²Selecting offset printing ink on the copperplate, printing 8 basic color blocks by using an IGT printability instrument, measuring to obtain tristimulus values of the 8 Neugebauer 3 primary color field printing color blocks, and adopting a measurement mode of subtracting the color of paper during measurement;

(3) solving the area percentage of the dots of the three-primary-color ink: with the aid of a Neugebauer equation, reversely solving the area ratio of the required cyan, magenta and yellow three-primary-color dots on the presswork according to the equation;

(4) constructing a simulated color block: and constructing a 510-550 nm color effect graph by using software according to the data, and outputting the graph through HP digital equipment.

3. The myopia-preventing textbook production process according to claim 1 or 2, further comprising a collection and stacking process, wherein the collection and stacking process is completed by a collection and stacking device, and the collection and stacking device comprises a frame (1), a cover plate (2), an elastic element (3) and a base plate (7); the rack (1) is a frame consisting of a bottom plate (1e), two side plates (1b) and a back plate (1a), the back plate (1a) inclines outwards, a movable supporting plate (1d) is arranged between the two side plates (1b), the movable supporting plate (1d) can slide along the direction parallel to the back plate (1a), a plurality of reinforcing plates (1c) are arranged on the back surface of the back plate (1a), a cover plate (2) is fixedly arranged at the top of each side plate (1b), an elastic element (3) is arranged between the cover plate (2) and the movable supporting plate (1d), the rack (1) can be arranged on a base plate (7) in a sliding manner, and the rack (1) can slide on the base plate (7) under the action of a driving device; and a switch for detecting the movable supporting plate (1d) is arranged at the lower part of the frame (1).

4. A process for the production of anti-myopia textbook according to claim 3, wherein the collecting and stacking means comprise a plurality of racks (1), a plurality of the racks (1) being able to slide along the base plate (7) under respective drive means.

5. The myopia-preventing textbook production line is characterized in that a book collecting and stacking device is arranged at the tail end of the production line and comprises a frame (1), a cover plate (2), an elastic element (3) and a base plate (7); the rack (1) is a frame consisting of a bottom plate (1e), two side plates (1b) and a back plate (1a), the back plate (1a) inclines outwards, a movable supporting plate (1d) is arranged between the two side plates (1b), the movable supporting plate (1d) can slide along the direction parallel to the back plate (1a), a plurality of reinforcing plates (1c) are arranged on the back surface of the back plate (1a), a cover plate (2) is fixedly arranged at the top of each side plate (1b), an elastic element (3) is arranged between the cover plate (2) and the movable supporting plate (1d), the rack (1) can be arranged on a base plate (7) in a sliding manner, and the rack (1) can slide on the base plate (7) under the action of a driving device; and a switch for detecting the movable supporting plate (1d) is arranged at the lower part of the frame (1).

6. A myopia-preventing textbook production line according to claim 5, wherein the position of the uppermost book (5) remains unchanged after the book (5) is placed on the movable pallet (1 d).

7. The myopia-preventing textbook production line according to claim 6, wherein the angle of the back plate (1a) inclining outwards relative to the vertical plane is theta, the elastic coefficient of the elastic element (3) is k, the weight of each book (5) is m, the thickness of each book (5) is h, and the following conditions are met in order to ensure that the position of the uppermost book (5) is kept unchanged:

k＝cosθ·mg/h。

8. the myopia-preventing textbook production line according to claim 6, wherein the driving device comprises a rack (8), a gear (9) and a motor (10), the rack (8) is fixed on the base plate (7), the motor (10) is fixed on the frame (1), the gear (9) is connected to an output shaft of the motor (10), and the gear (9) is matched with the rack (8).

9. A myopia-preventing textbook production line according to claim 8, wherein a switch fixing plate (1f) is arranged at the lower part of the frame (1), and a proximity switch (6) is installed on the switch fixing plate (1 f).

10. A myopia-preventing textbook production line according to claim 9, wherein the collecting and stacking means comprise a plurality of racks (1), a plurality of the racks (1) sliding along the base plate (7) under respective drive means.

Technical Field

The invention relates to the technical field of book production, in particular to a production process and a production line of myopia-preventing textbooks.

Background

In 2018, the comprehensive prevention and control implementation scheme of the myopia of the children and the teenagers indicates that the myopia rate of the children and the teenagers in China is high and continuously rises, and the myopia is gradually aged and becomes serious, so that the comprehensive prevention and control implementation scheme becomes a big problem in the future of the countries and the nations. In the arrangement of the myopia rate of students in the world, the proportion of China is the second place, the myopia is low in age, the myopia development speed is accelerated, and the problem becomes a public health safety problem.

Most of the existing textbooks are printed by white paper, the white paper reflects white full-frequency light, the brightness is strong, the chromaticity is weak, the visual fatigue is easily caused, the textbook is easy to cause the visual fatigue of a user after long-time use, ciliary muscles are in an over-contraction state, the myopia is easily caused, the healthy growth of teenagers is seriously influenced, although the current market has a green case as an anti-myopia textbook, the standard spectral luminous efficiency of the green (the spectral range is 570-580nm) is less than or equal to 0.9154, and the anti-visual fatigue and anti-myopia effects can not be well achieved; the existing production line of textbook has no book collecting and stacking device after the procedure of cutting finished products, the books on the conveyor belt need to be put right manually, and the production efficiency is low.

Disclosure of Invention

In order to solve the problems, the invention provides a production process and a production line of a myopia-preventing textbook, which adopt a new myopia-preventing ink color matching scheme to solve the problem that the myopia-preventing textbook on the market has poor effect on myopia-preventing products; the book collecting and stacking device is arranged at the tail of the production line, so that labor force is saved, and production efficiency is improved.

The purpose of the invention is realized by the following technical scheme.

A production process of a myopia-preventing textbook comprises the following steps in sequence: the production process comprises a roll paper unreeling process, a flexographic printing plate printing process, a line erecting process, a dividing process, a folding process, a transverse cutting process, a plurality of paper folding process, a distribution back cover process, a front cover process, a turning process, a gluing process, a drying process, a back wrapping process, a back collecting process and a finished product cutting process.

In the production process of the myopia-preventing textbook, the color matching of the myopia-preventing ink in the flexographic printing process comprises the following steps:

(1) searching for spectral tristimulus values: within the range of 500-590 nm of the myopia prevention spectrum, 510-550 nm

The nm is used as a research object, and a corresponding color tristimulus value of 510-550 nm is searched through a lookup table;

(2) build 8 base colors: selecting offset printing ink on a copperplate with the quantitative of 157g/m2, printing 8 basic color blocks by using an IGT printability tester, measuring to obtain tristimulus values of the actually printed color blocks of the 3 primary colors of 8 Neugebauer, and adopting a measurement mode of subtracting the color of paper during measurement;

(3) solving the area percentage of the dots of the three-primary-color ink: solving the area rate of the required cyan, magenta and yellow three-primary-color dot on the printed matter in the reverse direction according to the equation by means of the Neugebauer equation;

(4) constructing a simulated color block: and constructing a 510-550 nm color effect graph by using software according to the data, and outputting the graph through HP digital equipment.

The production process of the myopia-preventing textbook also comprises a collecting and stacking procedure, wherein the collecting and stacking procedure is completed through a collecting and stacking device, and the collecting and stacking device comprises a frame, a cover plate, an elastic element and a base plate; the frame consists of a bottom plate, two side plates and a back plate, the back plate inclines outwards, a movable supporting plate is arranged between the two side plates and can slide along the direction parallel to the back plate, a plurality of reinforcing plates are arranged on the back surface of the back plate, a cover plate is fixedly arranged at the top of each side plate, an elastic element is arranged between the cover plate and the movable supporting plate, the frame is slidably arranged on the base plate, and the frame can slide on the base plate under the action of a driving device; and a switch for detecting the movable supporting plate is arranged at the lower part of the frame.

According to the production process of the myopia-preventing textbook, the book collecting and stacking device comprises a plurality of frames, and the frames slide along the base plate under respective driving devices.

A production line of myopia-preventing textbook is characterized in that a book collecting and stacking device is arranged at the tail end of the production line and comprises a frame, a cover plate, an elastic element and a base plate; the frame consists of a bottom plate, two side plates and a back plate, the back plate inclines outwards, a movable supporting plate is arranged between the two side plates and can slide along the direction parallel to the back plate, a plurality of reinforcing plates are arranged on the back surface of the back plate, a cover plate is fixedly arranged at the top of each side plate, an elastic element is arranged between the cover plate and the movable supporting plate, the frame is slidably arranged on a base plate, and the frame can slide on the base plate under the action of a driving device; and a switch for detecting the movable supporting plate is arranged at the lower part of the frame.

According to the myopia-preventing textbook production line, after the books are placed on the movable supporting plate, the position of the uppermost book is kept unchanged.

According to the production line of the myopia-preventing textbook, the angle of the outward inclination of the corresponding vertical face of the back plate is theta, the elastic coefficient of the elastic element is k, the weight of each book is m, the thickness of each book is h, and the position of the uppermost book is kept unchanged, so that the following conditions are met:

k＝cosθ·mg/h。

the myopia-preventing textbook production line comprises a rack, a gear and a motor, wherein the rack is fixed on a base plate, the motor is fixed on a frame, the output shaft of the motor is connected with the gear, and the gear is matched with the rack.

According to the myopia-preventing textbook production line, the switch fixing plate is arranged at the lower part of the frame, and the proximity switch is mounted on the switch fixing plate.

According to the production line of the myopia-preventing textbook, the book collecting and stacking device comprises a plurality of frames, and the frames slide along the base plate under respective driving devices.

The invention has the beneficial effects that:

1. the invention relates to a production process and a production line of a myopia-preventing textbook, which adopt a novel myopia-preventing ink color matching scheme to solve the problem of poor effect of myopia-preventing textbook products on the market.

2. According to the production process and the production line of the myopia-preventing textbook, the book collecting and stacking device is arranged at the tail of the production line, so that labor force is saved, and production efficiency is improved.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:

fig. 1 is a flow chart of a production process of a myopia-preventing textbook according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a book collecting and stacking device of a myopia-preventing textbook production line according to an embodiment of the present invention.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

The components represented by the reference numerals in the figures are:

the automatic book opening and closing device comprises a frame 1, a back plate 1a, side plates 1b, a reinforcing plate 1c, a movable supporting plate 1d, a bottom plate 1e, a switch fixing plate 1f, a cover plate 2, an elastic element 3, a conveyor belt 4, a book 5, a proximity switch 6, a base plate 7, a rack 8, a gear 9 and a motor 10.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Aiming at the myopia problem brought to teenagers by the textbook. At present, the domestic patent technologies in the aspect of 'myopia prevention textbook' are relatively few. The full-frequency reflection capacity of the book is changed, stimulation to human eyes is reduced, a full-automatic wireless binding book linkage production line is optimized, and an intelligent control scheme of a courseware book is improved by researching and developing the color ratio of novel printing ink.

(1) The mask equation is established on the assumption that proportionality and superposition of ink density hold, and is used for light green ink formulation. The project adopts environment-friendly water type ink to adjust the color of the ink to light green through proportioning, the color value of the white background color of the simulated paper is close to the light green of the (L82, A-28 and B30) color value, and the color value of the character line is close to the light blue of the (L63, A51 and B-15) color value. The myopia-preventing textbook is printed, so that the full-frequency reflecting capacity of the book is reduced, and the stimulation to eyes is reduced. Researching an ink proportioning scheme, wherein the proportioning of the ink with various colors to be debugged and the proportioning optimization of various auxiliaries are included; and detecting related ink to perform related performance detection, including fineness, viscosity, pH value, chroma and the like.

(2) The book of the school industry is not opened and the intelligent production optimization is realized, and the upgrading and the modification of the existing equipment are planned to be realized by the cooperation of intelligent equipment research and development manufacturers. And (4) loading the book to be collected and stacked, drying the book in a drying oven, re-stacking the book to enter automatic cutting equipment, stacking the book out as required, and connecting the book with the original machine in a butt joint mode. The automatic wireless adhesive binding linkage production line to be upgraded adopts high and new technologies such as microcomputer control, photoelectric tracking, gas-liquid linkage, human-computer interface touch screen operation, ink-wash flexographic printing and the like. The linkage production line organically combines fifteen processes of unreeling the roll paper, carrying out high-speed unreeling flexography, erecting lines, cutting, folding, transversely cutting, stacking a plurality of pages of paper, distributing and sealing the back, covering, turning, gluing, drying, wrapping back strips, collecting books, cutting finished products and the like, and finishes the steps once.

The intelligent upgrading scheme of the textbook is explored, the control factors of the equipment such as the rotating speed and the temperature of the equipment are specifically considered, and the production conditions are optimized through experimental design such as response surface design.

FIG. 1 is a flow chart of the production process of the anti-myopia textbook according to the embodiment of the invention. The production process of the myopia-preventing textbook comprises the following steps in sequence: the production process comprises a roll paper unreeling process, a flexographic printing plate printing process, a vertical line process, a dividing process, a folding process, a transverse cutting process, a plurality of paper folding processes, a distribution back cover process, a front cover process, a turning process, a gluing process, a drying process, a back wrapping process, a book collecting process and a finished product cutting process.

Further, in the flexographic printing process, the myopia-preventing ink color matching comprises the following steps:

(1) searching for spectral tristimulus values: within the range of 500-590 nm of the myopia prevention spectrum, 510-550 nm

The nm is used as a research object, and a corresponding color tristimulus value of 510-550 nm is searched through a lookup table;

(2) build 8 base colors: selecting offset printing ink on a copperplate with the quantitative of 157g/m2, printing 8 basic color blocks by using an IGT printability tester, measuring to obtain tristimulus values of the actually printed color blocks of the 3 primary colors of 8 Neugebauer, and adopting a measurement mode of subtracting the color of paper during measurement;

(3) solving the area percentage of the dots of the three-primary-color ink: solving the area rate of the required cyan, magenta and yellow three-primary-color dot on the printed matter in the reverse direction according to the equation by means of the Neugebauer equation;

(4) constructing a simulated color block: and constructing a 510-550 nm color effect graph by using software according to the data, and outputting the graph through HP digital equipment.

Further, a book collecting and stacking process is added, wherein the book collecting and stacking process is used for collecting and stacking books 5 conveyed by the conveyor belt 4, and the book collecting and stacking process is completed by the book collecting and stacking device.

Fig. 2 and 3 are schematic structural views of a collecting and stacking device of a myopia-preventing textbook production line according to an embodiment of the invention, as shown in fig. 2 and 3.

The collecting and stacking device is arranged at the end of a line of a myopia-preventing textbook production line, can also be used for the end of line collecting procedures of other textbook production lines, and comprises a frame 1, a cover plate 2, an elastic element 3 and a base plate 7; the rack 1 is a frame formed by welding a bottom plate 1e, two side plates 1b and a back plate 1a, the back plate 1a inclines outwards, the reason for the inclined arrangement of the back plate 1a is that books 5 are convenient to stack, a movable supporting plate 1d is arranged between the two side plates 1b, the movable supporting plate 1d can slide along the direction parallel to the back plate 1a, as shown in fig. 3, guide grooves are formed in the two side plates 1b, two sides of the movable supporting plate 1d are matched with the guide grooves, a plurality of reinforcing plates 1c are arranged on the back surface of the back plate 1a, a cover plate 2 is fixedly arranged at the top of the side plate 1b, an elastic element 3 is arranged between the cover plate 2 and the movable supporting plate 1d, the elastic element 3 is specifically a spring, the elastic element 3 has the function of keeping the position of the book 5 on the top unchanged after the book 5 is stacked on the movable supporting plate 1d, the distance that the certificate book 5 falls from the conveyor belt 4 can be kept relatively small all the time, the position change is not too large due to long-distance falling, the frame 1 can be installed on the base plate 7 in a sliding mode, the frame 1 can slide on the base plate 7 under the action of a driving device, specifically, a rail is arranged on the base plate 7, and the bottom of the frame 1 is matched with the rail; a switch for detecting the movable supporting plate 1d is arranged at the lower part of the frame 1.

Further, in order to facilitate the book 5 to fall between the two side plates 1b, the openings of the two side plates 1b are set to be bellmouths.

In order to keep the position of the uppermost book 5 unchanged after the book 5 is placed on the movable supporting plate 1d, the angle of the back plate 1a inclined outward relative to the vertical surface is set to be theta, the elastic coefficient of the elastic element 3 is set to be k, the weight of each book 5 is set to be m, the thickness of each book 5 is set to be h, the units are international standard units, and the following conditions are met in order to ensure that the position of the uppermost book 5 is kept unchanged:

k＝cosθ·mg/h；

the movable supporting plate 1d can be made of light materials, the weight of the movable supporting plate is negligible, or a balance cylinder is arranged for the movable supporting plate 1d, and the weight of the movable supporting plate 1d is balanced by the balance cylinder.

Specifically, the driving device comprises a rack 8, a gear 9 and a motor 10, wherein the rack 8 is fixed on the substrate 7, the motor 10 is fixed on the frame 1, the output shaft of the motor 10 is connected with the gear 9, the gear 9 is matched with the rack 8, and preferably, the motor 10 is a servo motor.

Specifically, a switch for detecting the movable pallet 1d is provided at the lower portion of the rack 1, a switch fixing plate 1f is provided at the lower portion of the rack 1, and a proximity switch 6 is mounted on the switch fixing plate 1 f.

The book collecting and stacking device comprises a plurality of frames 1, the frames 1 slide along the base plate 7 under respective driving devices, multi-station book collection is achieved, after the frame 1 in front is full of books, subsequent frames 1 sequentially enter the book collecting station, and the frame 1 which is full of books and can receive the books can be taken away manually or by a manipulator.

The specific working principle is as follows: books 5 fall onto the movable supporting plate 1d from the conveyor belt 4, the initial position of the movable supporting plate 1d is arranged below the outlet of the conveyor belt 4, the falling distance of the books 5 is preferably smaller, the books 5 are stacked on the movable supporting plate 1d, the weight of the books 5 enables the movable supporting plate 1d to stretch the elastic element 3, the movable supporting plate 1d continuously moves downwards, the position of the uppermost stacked book 5 is always kept below the outlet of the conveyor belt 4, when the movable supporting plate 1d enters the detection range of the proximity switch 6, the proximity switch 6 transmits a signal to the production line control system, the production line control system controls the motor 10 to be started, the frame 1 slides on the base plate 7, meanwhile, the driving devices on other frames 1 are started, and other frames 1 are moved to the book collecting station.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.