WO2021042472A1

WO2021042472A1 - Printer capable of achieving double-sided printing of adhesive surface or liner sheet and printing method

Info

Publication number: WO2021042472A1
Application number: PCT/CN2019/114360
Authority: WO
Inventors: 李康文
Original assignee: 深圳市彩昇印刷机械有限公司
Priority date: 2019-09-06
Filing date: 2019-10-30
Publication date: 2021-03-11
Also published as: CN110539555A

Abstract

A printer capable of achieving double-sided printing of an adhesive surface or a liner sheet on the printer and a printing method. the printer comprises a base (1), an unwinding wheel (2), and a top sheet printing assembly (4), and further comprises a liner sheet or adhesive surface printing assembly (10). The liner sheet or adhesive surface printing assembly (10) comprises a first support frame (11), a second support frame (12), reverse printing color modules (13), first drying assemblies (14), a seventh roller (17), an eighth roller (18), and a ninth roller (19). By setting position relationships among the rollers, the double-layer sheet is driven to operate in a shape similar to an Arabic number "2". When performing liner sheet or adhesive surface printing, the liner sheet or the adhesive surface faces upwards, the top sheet faces upwards after liner sheet or adhesive surface printing is completed by means of the reverse printing color module, and top sheet printing is completed by means of a forward printing color module, so that printing costs of the liner sheet or the adhesive surface is low, the printing efficiency is high, and the operation is convenient.

Description

Printing machine and printing method capable of realizing double-sided printing on rubber surface or bottom paper

Technical field

The invention relates to the technical field of printing machines, and in particular to a printing machine capable of realizing double-sided printing on rubber or bottom paper.

Background technique

Machines that print text and images. Modern printing presses are generally composed of plate loading, inking, embossing, paper feeding (including folding) and other mechanisms. Its working principle is: first make the text and image to be printed into a printing plate, install it on the printing machine, and then apply ink to the place where the text and image are on the printing plate manually or by the printing machine, and then transfer it directly or indirectly. Print on paper or other substrates (such as textiles, metal plates, plastics, leather, wood, glass, and ceramics) to replicate the same printed matter as the printing plate. The printing paper of the existing printing press is transported to the aluminum roller through the roller and rubber roller. The aluminum roller is set on the right side of the rubber roller. The rubber surface and bottom paper of the printing paper are peeled off by the aluminum roller. The rubber surface paper needs to pass through the knurled aluminum roller. In order to realize the glue surface printing, it will cause the glue surface to bond with the knurled aluminum roller. The glue surface printing accuracy is not high, the defect rate is high, the efficiency is low, the structure is complex, the printing effect is poor, and it is not conducive to the needs of multiple printing methods. Therefore, a printing press that can realize printing on the rubber surface and the bottom paper on the printing press is proposed.

technical problem

The purpose of the present invention is to provide a printing machine and a printing method that can realize double-sided printing on a rubber surface or a bottom paper on a gap type, full-rotation relief or PS plate printing press, so as to solve the above-mentioned background art problems.

Technical solutions

In order to achieve the above objective, the present invention provides the following technical solutions: a printing press that can realize double-sided printing on glue or bottom paper, including a base, an unwinding wheel, and a printing assembly for top paper, and the printer also includes a bottom paper or glue Surface printing assembly, the bottom paper or offset printing assembly includes a first support frame, a second support frame, a first inverted printing color module, a first drying assembly, a seventh roller, an eighth roller, and a first Nine rollers; the bottom paper or glue printing assembly and the top paper printing assembly are all fixed on the base, and the first support frame is fixed with a first roller, a second roller and a tenth roller, A fourth roller and a fifth roller are fixed on the second support frame.

Wherein, a third roller is also fixed on the first support frame, and a sixth roller is also fixed on the second support frame. When printing on the glue surface, after the bottom paper and the top paper are peeled off, the bottom paper passes through in sequence The third roller and the sixth roller are bonded with the printed rubber surface at the tenth roller after running.

Wherein, it also includes a deviation correction device located above the unwinding wheel, and the roll paper enters the bottom paper or the glue printing assembly through the deviation correction device.

Wherein, the second roller is located at the top end of the first support frame, the third roller is located at the end of the top cross bar of the first support frame, and the end of the top cross bar of the first support frame A screw adjusting assembly is installed, and a first roller and a tenth roller are respectively installed on the bottom side of the first support frame in sequence.

Wherein, the first drying assembly is located on a side of the inverted printing color module away from the second support frame, and the seventh roller and the eighth roller are respectively located in the first inverted printing color module On the lower two sides of 13, the ninth roller is installed on the second support frame.

Wherein, the facial paper printing component includes a forward rotation printing color module and a second drying component, and the second drying component is located on the other side of the forward rotation printing color module away from the second support frame.

Wherein, the screw adjusting assembly includes a screw, a sliding rod, a sliding sleeve, and a fixing seat. A sliding rod is arranged between the two sets of fixing seats, and a sliding sleeve is slidably connected to the sliding rod. A group of the fixing seats are connected, and the other end is connected to the sliding sleeve.

Wherein, the left and right sides of the inverted printing color module are provided with guide wheels, and the guide wheels are fixed on the base through a support frame.

The printing machine of the present invention includes, but is not limited to, a full-rotation or interstitial printing machine, and the printing method includes, but is not limited to, one or a combination of letterpress, PS plate, intaglio, lithography, silk screen, and digital printing.

The present invention also provides a printing method capable of realizing double-sided printing on rubber or bottom paper, which includes the following steps:

S10). Place the double-layer paper on the unwinding wheel;

S20). Pull out one end of the double-layer paper, and sequentially bypass the above-mentioned first roller, second roller, tenth roller, fourth roller, fifth roller, reverse printing color module, The first drying assembly, the tenth roller, the seventh roller, and the eighth roller make the double-layer paper in a "2" shape, so that the surface paper is in the upper surface position, and then enters the surface paper printing through the ninth roller Component

S30). Pull out one end of the double-layer paper, and sequentially bypass the first roller, second roller, tenth roller, fourth roller, and fifth roller as described above, and the double-layer paper passes through the fifth roller. After the wheel, manually peel off, pull the bottom paper up and run it, then wind the sixth roller and the third roller in turn, with the paper facing down and the glue side up, passing through the reverse printing color module, and the first drying Component, the bottom paper, the top paper, and the glue surface are reset and bonded at the tenth roller, and then pass through the seventh and eighth rollers so that the top paper is at the upper surface position and enters through the ninth roller. In the face paper printing component;

S40), turn on the machine and start the printing press for printing;

Among them, step S20 is a bottom paper printing method; S30 is a rubber printing method.

Beneficial effect

Compared with the prior art, the beneficial effects of the present invention are:

1. When the bottom paper is printed, after passing through the first roller, the second roller, the fourth roller and the fifth roller in turn, the printing and drying are carried out by the reverse printing color module and the first drying assembly. After the paper is printed, it passes through the tenth roller, the seventh roller, and the eighth roller in sequence, so that the facial paper is at the upper surface position, and then enters the facial paper printing assembly process through the ninth roller to complete the printing of the facial paper;

2. When printing on the rubber surface, manually peel off the fifth roller so that the bottom paper is wound around the sixth roller and the third roller in sequence. The surface paper and the rubber surface pass through the reverse printing color module and the first drying in turn. The dry component is printed and dried. Finally, the bottom paper, the top paper, and the glue surface are reset and bonded at the tenth roller, and then pass through the seventh and eighth rollers, so that the top paper is on the upper surface. The ninth roller enters the face paper printing assembly process. Because it is printed with ink, it will not stick. After printing, it is UV dried and then bonded with the bottom paper for the next face paper printing to complete the rubber surface printing;

3. The present invention directly adds backing paper or rubber surface printing components to the machine. By setting the position relationship of the rollers, the double-layer paper is driven to run like a "2" shape. When the backing paper or rubber surface printing is performed, the backing paper or rubber Face up, after the base paper or rubber side printing is completed by the reverse printing color module, the face paper is facing up, and the face paper printing is completed by the forward printing color module, so as to realize the low cost of base paper or rubber side printing. High efficiency, convenient operation, suitable for promotion and popularization, reducing machine production costs, fewer additional devices, accurate printing during rubber printing, reducing printing defects, improving production efficiency, and saving resources.

Description of the drawings

FIG. 1 is a schematic structural diagram of Embodiment 1 of the present invention;

Figure 2 is a schematic cross-sectional view of the double-layer paper of the present invention;

Figure 3 is a schematic diagram of the structure of the screw adjusting assembly of the present invention;

Fig. 4 is a schematic structural diagram of the second embodiment of the present invention.

In the figure: 1. Base; 2. Unwinding wheel; 3. Deviation correction device; 4. Face paper printing assembly; 401, Forward printing color module; 402, Second drying assembly; 5. Double-layer paper; 51, Face paper; 52, bottom paper; 53, rubber surface; 10, bottom paper or rubber surface printing components; 11. first support frame; 111, first roller; 112, second roller; 113, third roller 114, tenth roller; 115, screw adjusting assembly; 1151, screw; 1152, sliding rod; 1153, sliding sleeve; 1154, fixed seat; 12, second support frame; 121, fourth roller; 122 , The fifth roller; 123, the sixth roller; 13, the reverse printing color module; 14, the first drying assembly; 17, the seventh roller; 18, the eighth roller; 19, the ninth roller .

Embodiments of the present invention

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Example one

Referring to Figure 1, the present invention provides a technical solution for a printing press that can achieve bottom paper printing on a printing press, including a base 1, an unwinding wheel 2 and a face paper printing assembly 4; the printing press also includes a bottom paper Or the rubber-surface printing assembly 10, the bottom paper or the rubber-surface printing assembly 10 includes a first support frame 11, a second support frame 12, a reverse printing color module 13, a first drying assembly 14, and a seventh roller 17 8. The eighth roller 18 and the ninth roller 19; the reverse printing color module 13 includes one or more printing seats that output different printing colors, and the top printing roller inside the printing seat rotates clockwise, which is convenient for printing Transmission; The first drying assembly 14 is a UV-LED light-emitting device.

The bottom paper or gum surface printing assembly 10 and the surface paper printing assembly 4 are both fixed on the base 1, and the first support frame 11 is fixed with a first roller 111, a second roller 112, and a tenth roller Wheel 114, the fourth roller 121 and the fifth roller 122 are fixed on the second support frame 12. By installing two sets of the first support frame 11 and the second support frame 12, it is convenient to install and fix each set of rollers ；

A correction device 3 is installed on one end of the base 1 close to the unwinding wheel 2, and the correction device 3 is used to adjust the running angle of the double-layer paper.

In this embodiment, specifically: the unwinding wheel 2 is arranged below the base 1 close to the correction device 3, the outer surface of the unwinding wheel 2 is wound with a double layer of paper 5, and the double layer The paper 5 includes a face paper 51, a bottom paper 52 and a glue face 53.

In this embodiment, specifically: the first drying assembly 14 is located on the side of the reversal printing color module 13 away from the second support frame 12, the seventh roller 17 and the eighth roller 18 are respectively located at the lower two sides of the inverted printing color module 13, the ninth roller 19 is installed on the second support frame 12, and each set of inverted printing color modules 13 can be customized according to printing requirements. Adjust the position.

In this embodiment, specifically: the base 1 is equipped with a central control device, not shown in the figure, and the central control device includes a CPU or a single control switch, and the central control device is printed with the bottom paper or glue respectively. The electrical printing in the assembly 10 and the facial paper printing assembly 4 is electromechanically connected, which is the prior art and will not be repeated here.

In this embodiment, specifically: the facial paper printing component 4 includes a forward printing color module 401 and a second drying component 402, and the second drying component 402 is located far away from the forward printing color module 401 On the other side of the second support frame 12, the forward rotation printing color module 401 includes a plurality of printing seats that output different printing colors, and the top printing roller inside the printing seat rotates counterclockwise to facilitate the transmission of printed products; The first drying assembly 14 is a UV-LED light-emitting device.

In this embodiment: after printing on the bottom paper, it passes through the seventh roller, the eighth roller and the ninth roller in turn to enter the surface paper printing, and drying is performed at the same time. When the surface paper is printed, one is installed on the side of the device. Or multiple printing color groups, the number of printing color groups is preferably four. The printing press of the present invention includes but not limited to a full-rotary or interstitial printing press, and printing methods include but not limited to letterpress, PS plate, gravure, One or several combinations of lithography, silk screen, and digital printing. At the same time, you can switch between different printing methods by changing the printing stations.

In this embodiment: the inverted reversal printing color module 13 is provided with guide wheels on the left and right sides, and the guide wheels are fixed on the base 1 through the support frame. The guide wheels prevent shaking during printing and improve Printing accuracy.

The working principle of printing bottom paper: When in use, put the double-layer paper 5 on the unwinding wheel 3, correct the deviation by the winding correction device 3, and then pass through the first roller 111, the second roller 112, and the fourth roller in turn After the roller 121, after passing through the fifth roller 122, the bottom paper 52 is turned upwards and passes through the inverted printing color module 13, thereby printing on the bottom paper 52, and then passes through the first drying assembly 14 for printing and drying Then, it passes through the seventh roller 17 and the eighth roller 18 so that the facial paper 51 faces upwards, and enters the facial paper printing assembly 4 process through the ninth roller 19 to complete the printing of the facial paper. By setting the positional relationship of the rollers, the double-layer paper is driven to run like a "2" shape. When the bottom paper is printed, the bottom paper faces upwards. After the bottom paper printing is completed by reversing the printing color module, the face paper faces upwards. The face paper printing is completed by the forward printing color module, so as to realize double-sided printing.

Example two

Please refer to Figures 2-4. The present invention provides a technical solution for a printing press that can realize offset printing on a printing press. The structure is based on a bottom paper printing assembly and is mounted on the first support frame 11. A third roller is added, and a sixth roller 123 is added to the second support frame 12. When printing on the glue surface, after the bottom paper 52 is peeled from the top paper 51, the bottom paper 52 passes through the third roller 113 in turn The sixth roller 123 and the sixth roller set 114 are bonded with the printed glue surface 53 at the tenth roller set 114 after running.

In this embodiment, specifically: the second roller 112 is located at the top end of the first support frame 11, and the third roller 113 is located at the end of the top cross bar of the first support frame 11. A screw rod adjustment assembly 115 is installed at the end of the top cross bar of the first support frame 11, and a first roller 111 and a tenth roller 114 are respectively installed on the bottom side of the first support frame 11, and a screw rod adjustment is provided. The assembly 115 facilitates the stretching adjustment of the bottom paper and improves the adhesion accuracy. The third roller 113 is installed on the screw adjustment assembly 115.

In this embodiment, specifically: the screw adjusting assembly 115 includes a screw 1151, a sliding rod 1152, a sliding sleeve 1153, and a fixing seat 1154. There is a sliding rod 1152 between the two sets of fixing seats 1154. A sliding sleeve 1153 is slidably connected to the rod 1152. One end of the screw rod 1151 is connected to a set of the fixing seats 1154, and the other end is connected to the sliding sleeve 1153. Through the elastic action of the screw rod 1151, the sliding sleeve 1153 is held in The sliding rod 1152 slides, and the screw rod pulls the slider to move to adjust the tightness of the bottom paper and improve efficiency.

The working principle of rubber printing: When using, the user puts the double-layer paper 51 on the reel 2 by hand, and adjusts the deviation by the correction device 3, and then passes through the first roller 111 and the second roller in turn. 112. After the fourth roller 121 and the fifth roller 122, after passing through the fifth roller 122, the manual peeling is divided into two paths. The bottom paper 52 is pulled up to run, winding the sixth roller 123 and the third roller in turn. The roller 113, with the face paper 52 facing down, and the glue face 53 facing up, are printed and dried sequentially through the reversal printing color module 13 and the first drying assembly 14 to complete the glue printing. Finally, the bottom paper 52 and the face paper 51. The glue surface 53 is reset and bonded at the tenth roller 114, and then passes through the seventh roller 17 and the eighth roller 18, so that the facial paper 51 is at the upper surface position, and enters the facial paper through the ninth roller 19 In the printing assembly 4 process, the top paper is printed. After the double-layer paper 5 is peeled off, the glue surface 53 is directly entered into the printing mechanism for printing. There is ink in the printing assembly, which will not stick. After printing, UV drying is performed, and then the bottom Paper bonding. After the rubber surface is peeled off, it does not pass through the roller again. This structure greatly improves the printing efficiency of the rubber surface, has a simple structure and saves costs.

S10). Place the double-layer paper on the unwinding wheel;

S30). Pull out one end of the double-layer paper, and sequentially bypass the first roller, second roller, tenth roller, fourth roller, and fifth roller as described above, and the double-layer paper passes through the fifth roller. After the wheel, manually peel off, pull the bottom paper up and run it, then wind the sixth roller and the third roller in turn, with the paper facing down and the glue side up, passing through the reverse printing color module, and the first drying Component, the bottom paper, the top paper, and the glue surface are reset and bonded at the tenth roller, and then pass through the seventh and eighth rollers so that the top paper is at the upper surface position and enters through the ninth roller. In the face paper printing assembly;

To S40), turn on the machine and start the printing press for printing;

Among them, step S20 is a bottom paper printing method; S30 is a rubber surface printing method.

Further, in step S20 or S30, the double-layer paper enters the first roller after passing through the correction device. Improve printing accuracy.

By setting the positional relationship of the rollers, the present invention drives the double-layer paper to run like a "2" shape. When printing on the bottom paper or rubber surface, the bottom paper or rubber side faces upwards, and the bottom paper or the rubber surface is completed by reversing the printing color module. After printing on the rubber surface, turn the surface paper upwards and complete the surface paper printing through the forward rotation printing color module, so as to achieve low cost of bottom paper or rubber surface printing, high printing efficiency, convenient operation, suitable for promotion and popularization, and reduce machine production costs , Few additional devices, accurate printing during rubber printing, reduce printing defects, improve production efficiency, and save resources.

Generally speaking, ordinal numbers such as "first", "next", "previous" are used to distinguish various elements, components, modules, units, or regions from each other. Therefore, ordinal numbers such as "first", "next", and "previous" are not used to limit the number of elements, parts, modules, units or regions, etc. Moreover, for example, the ordinal number "first" can be replaced by the ordinal number "second", "third" or other similar ordinal words.

All directional indicators (such as up, down, left, right, front, back...) in this embodiment are only used to explain the relative positional relationship between the components in a particular posture (as shown in the figure). If the specific posture changes, the directional indication will change accordingly.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. And variations, the scope of the present invention is defined by the appended claims and their equivalents.

To

Claims

A printing press capable of double-sided printing on rubber or bottom paper, comprising a base (1), an unwinding wheel (2), and a top paper printing assembly (4), characterized in that: the printing press also includes a bottom paper or The rubber-surface printing assembly (10), the bottom paper or the rubber-surface printing assembly (10) includes a first support frame (11), a second support frame (12), a reverse printing color module (13), and a first baking Dry assembly (14), seventh roller (17), eighth roller (18) and ninth roller (19); the bottom paper or rubber-surface printing component (10) and the surface paper printing component (4) Are all fixed on the base (1), the first support frame (11) is fixed with a first roller (111), a second roller (112) and a tenth roller (114), the first A fourth roller (121) and a fifth roller (122) are fixed on the second support frame (12), the second roller (112), the fourth roller (121), and the fifth roller (122) , The positional relationship of the tenth roller (114), the seventh roller (17), and the eighth roller (18) is arranged in a "2" shape.
A printing press capable of double-sided printing on glue or bottom paper according to claim 1, characterized in that: a third roller (113) is also fixed on the first support frame (11), and the A sixth roller (123) is also fixed on the second support frame (12). When printing on the glue surface, after the bottom paper is peeled from the top paper, the bottom paper passes through the third roller (113) and the sixth roller in sequence After the wheel (123) runs, it is bonded with the printed rubber surface at the tenth roller (114).
A printing press capable of double-sided printing on glue or bottom paper according to claim 1, characterized in that it further comprises a correction device (3) located above the unwinding wheel, and the double-layer paper passes through the correction device (3). Go to the backing paper or rubber printing assembly (10).
A printing press capable of realizing double-sided printing on adhesive or bottom paper according to claim 2, characterized in that: the second roller (112) is located at the top of the first support frame (11), and the second roller (112) is located at the top of the first support frame (11). The third roller (113) is located at the end of the top cross bar of the first support frame (11), and a screw adjusting assembly (115) is installed at the end of the top cross bar of the first support frame (11), A first roller (111) and a tenth roller (114) are respectively installed on the bottom side of the first support frame (11) in sequence.
The printing press capable of realizing double-sided printing on adhesive or bottom paper according to claim 1, characterized in that: the first drying assembly (14) is located far away from the reversal printing color module (13) On one side of the second support frame (12), the seventh roller (17) and the eighth roller (18) are respectively located on both sides of the lower side of the reverse printing color module (13), and the ninth The roller (19) is installed on the second support frame (12).
A printing press capable of realizing double-sided printing on adhesive or bottom paper according to claim 1, characterized in that: the face paper printing assembly (4) comprises a forward printing color module (401) and a second drying A drying assembly (402). The second drying assembly (402) is located on the other side of the forward rotation printing color module (401) away from the second support frame (12).
A printing press capable of double-sided printing on glue or bottom paper according to claim 4, characterized in that: the screw rod adjustment assembly (115) comprises a screw rod (1151), a sliding rod (1152), a sliding rod The sleeve (1153) and the fixing seat (1154), the case between the two sets of the fixing seat (1154) is provided with a sliding rod (1152), the sliding rod (1152) is slidably connected with a sliding sleeve (1153), the wire One end of the rod (1151) is connected to a set of the fixing seats (1154), and the other end is connected to the sliding sleeve (1153).
A printing press capable of double-sided printing on rubber or bottom paper according to claim 1, characterized in that: the left and right sides of the reversing reversing printing color module (13) are provided with guide wheels, so The guide wheel is fixed on the base (1) through a support frame.
The printing press capable of realizing double-sided printing on rubber or bottom paper according to claim 1, wherein the printing press is a full-rotation or gap printing press, and the printing method is relief printing, PS printing, or gravure printing. One or several combinations of, lithography, silk screen, and digital printing.
A printing method capable of realizing double-sided printing on rubber or bottom paper, which is characterized in that it comprises the following steps:

S10). Place the double-layer paper on the unwinding wheel;

S20). Pull out one end of the double-layer paper, and sequentially bypass the first roller and the first roller according to claim 1

The second roller, the tenth roller, the fourth roller, the fifth roller, the reverse printing color module, the first

A drying assembly, the tenth roller, the seventh roller, and the eighth roller make the double-layer paper in a "2" shape, so that the surface paper is at the upper surface position, and then enter the surface paper through the ninth roller; printing Component

S30). Pull out one end of the double-layer paper, and sequentially bypass the first roller and the second roller according to claim 2

Two rollers, tenth roller, fourth roller, fifth roller, double-layer paper passes through fifth roller

Then, manually peel it off, pull the bottom paper up and run it, winding the sixth roller and the third one in turn.

The roller, the paper face down, the glue face up, pass through the reverse printing color module, and the first drying

Component, the bottom paper, the top paper, and the glue surface are reset and glued at the tenth roller, and then

After passing through the seventh roller and the eighth roller, the tissue paper is at the upper surface position and passes through the

Nine rollers enter into the facial paper printing assembly;

S40) Turn on and start the printing press for printing;

Among them, step S20 is a bottom paper printing method; S30 is a rubber surface printing method.