CN211764152U

CN211764152U - Flexographic printing machine

Info

Publication number: CN211764152U
Application number: CN201922030102.9U
Authority: CN
Inventors: 高冬冬
Original assignee: Haining Hualong Paper Products Co ltd
Current assignee: Haining Hualong Paper Products Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-10-27
Anticipated expiration: 2029-11-21

Abstract

The utility model relates to a flexographic printing machine, which comprises a printing machine main body and an ink groove, wherein the upper part of the printing machine main body is rotatably connected with an ink outlet roller, an ink carrying roller and a printing roller; the printing roller is circumferentially provided with a flexible plate; the upper part of the printing machine main body is rotationally connected with a first printing paper driving roller, a guide roller and a second printing paper driving roller; a plurality of air suction pipe fittings are arranged at the upper part of the printing machine main body; the air suction pipe fitting is communicated with an air purification device; the printing machine main body is provided with a plurality of gas collecting pipe fittings communicated with the air purification device; the printing machine main part is provided with many heating pipes. The utility model discloses have the effect that in time absorption processing printing ink volatilizees solvent protection operating personnel and is healthy. The problem of prior art lack the printing ink solvent collection device that volatilizees, the printing ink solvent that overflows scattered can harm operating personnel's life health is solved.

Description

Flexographic printing machine

Technical Field

The utility model belongs to the technical field of lithography apparatus and specifically relates to a flexographic printing machine is related to.

Background

In order to meet the requirements of users and achieve the attractive effect, the outer surface of the existing paper cup is printed with large and small patterns and logos in various forms, so that a printer is required to be used for printing the paperboard paper surface. Ink is needed for paper cup printing, and most of the ink in China comprises 20-40% of binder, 5-15% of pigment, 40-60% of organic solvent, 0-5% of auxiliary agent and the like. The ink is printed on the paper by means of an ink roller, and drying of the ink is required. Drying of the ink refers to a process in which the ink adheres to a printed matter to form a print, and then changes from a liquid or paste state to a solid film. After the ink is transferred from the printing plate to the surface of a printed matter, a part of connecting materials in the ink permeates, meanwhile, solvents in the connecting materials start to volatilize, and some connecting materials start to generate chemical reaction or physical reaction, so that the viscosity and the hardness of an imprinting ink layer on the surface of a printing stock are gradually increased, and a solid film layer is finally formed.

Chinese patent publication No. CN206306613U discloses a book and periodical printing machine, which comprises a paper feeding mechanism, a first-stage double-sided printing mechanism, an nth-stage double-sided printing mechanism, and a paper collecting mechanism, wherein the paper feeding mechanism is installed in front of the first-stage double-sided printing mechanism, the nth-stage double-sided printing mechanism is installed behind the first-stage double-sided printing mechanism, and the paper collecting mechanism is installed behind the nth-stage double-sided printing mechanism.

The printing ink used by the printing machine in the prior art mainly uses volatile solvents such as toluene, xylene, ethanol, ethyl acetate and the like, and can volatilize in the printing ink drying process, wherein the toluene and the xylene are 3 carcinogens and have stimulation effect on eyes and upper respiratory tract, and have anesthesia effect on a central system in high concentration; chronic effects: the long-term exposure has neurasthenia syndrome, and women may have abnormal menstruation. Skin contact often occurs with dry, chapped, or dermatitis. The spilled volatile solvent can harm the life and health of operators.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model aims at providing an in time absorb processing printing ink volatile solvent and protect healthy flexographic printing machine of operating personnel.

The method is realized by the following technical scheme: a flexographic printing machine comprises a printing machine main body, wherein an ink groove for placing ink is formed in the upper part of the printing machine main body, and an ink outlet roller which is positioned in the ink groove and is in contact with the ink is rotatably connected to the upper part of the printing machine main body; the upper part of the printing machine main body is rotatably connected with an ink carrying roller which is abutted against the ink outlet roller; the upper part of the printing machine main body is rotatably connected with a printing roller; a flexible plate abutted against the ink carrying roller is arranged on the circumferential direction of the printing roller; the upper part of the printing machine main body is rotatably connected with a first printing paper driving roller which is abutted against the printing roller; the upper part of the printing machine main body is rotatably connected with a guide roller horizontally spaced from the first printing paper driving roller; the lower part of the printing machine main body is rotatably connected with a second printing paper driving roller positioned below the guide roller; the first printing paper driving roller, the guide roller and the second printing paper driving roller are used for driving printing paper; a plurality of air suction pipe fittings which are positioned on the upper part of the printing paper and are parallel to the guide roller are arranged on the upper part of the printing machine main body; the air suction pipe fitting is communicated with an air purification device positioned on one side of the printing machine main body; the printing machine main body is provided with a plurality of gas collecting pipe fittings which are positioned between the guide roller and the second printing paper driving roller and are close to the printing surface side of the printing paper; the gas collecting pipe fitting is communicated with the air purifying device; the printing machine main body is provided with a plurality of heating pipes which are positioned between the guide roller and the second printing paper driving roller and are opposite to the printing surface side of the printing paper.

By adopting the technical scheme, the ink discharging roller rotates to bring the ink in the ink groove to the inking roller, and the rotating inking roller brings the ink to the printing roller flexible plate; the flexible plate is abutted against the printing paper of the printing roller and the first printing paper driving roller, the printing ink of the flexible plate is printed on the printing paper, the printing paper is transmitted through the guide roller and the second printing paper driving roller, and the heating pipe dries the printing ink on the printing paper to finally form a solid printing ink film layer; in the printing process, printing ink is printed, and printing paper positioned between the first printing paper driving roller and the guide roller can volatilize ink solvent, and the suction pipe fitting is arranged above the printing paper to absorb and purify the volatilized ink solvent; the printing paper between the guide roller and the second printing paper driving roller generates more printing ink solvent under the action of the heater, and the gas collecting pipe fitting efficiently absorbs the generated printing ink solvent to ensure the life health of operating personnel; the printing ink solvent absorbed by the gas collecting pipe fitting and the gas suction pipe fitting is converged into the air purifying device for collective purification, so that the printing ink volatile solvent is absorbed and treated in time to protect the health of operators.

The utility model discloses further set up to: the printing machine main part is provided with the pipe fitting of bleeding that is located printing ink groove top and communicates in air purification device.

Through adopting above-mentioned technical scheme, the volatile solvent of printing ink of the pipe fitting of bleeding in to the ink groove absorbs the purification, prevents that the printing ink in the ink groove from producing volatile solvent and polluting operation environment.

The utility model discloses further set up to: the air suction pipe fitting comprises a bottom plate fixedly connected to two sides of the printer main body respectively, a telescopic supporting piece fixedly connected to the bottom plate and an air suction pipe fixedly connected to the telescopic supporting piece in the circumferential direction; one end of the telescopic supporting piece is vertically and fixedly connected to the bottom plate, and the other end of the telescopic supporting piece is vertically and fixedly connected to the circumferential direction of the air suction pipe.

Through adopting above-mentioned technical scheme to the pipe fitting of breathing in is taken as the example, and bottom plate and flexible support piece have formed the support of adjustable pipe fitting height of breathing in, and the pipe fitting of breathing in of firm installation just guarantees that near printing ink of breathing in can be effectively got rid of.

The utility model discloses further set up to: the air suction pipe is provided with air suction holes uniformly distributed in the circumferential direction of the air suction pipe in a penetrating manner.

Through adopting above-mentioned technical scheme, evenly distributed's suction hole can effectively cover the volatile scope of printing ink solvent, can effectively absorb volatile printing ink solvent, and the printing ink near the guarantee breathing pipe can effectively be got rid of, prevents that printing ink solvent from overflowing to scatter and influencing operating personnel health.

The utility model discloses further set up to: the telescopic support piece comprises a lower telescopic pipe fixedly connected to the bottom plate, an upper telescopic pipe which slides up and down on the outer wall of the lower telescopic pipe and a fixing piece which is fixedly connected to the upper telescopic pipe and used for fixing the air suction pipe, and the lower telescopic pipe is integrally formed with a sliding pipe groove which is used for the upper telescopic pipe to slide and has the diameter equal to the outer diameter of the upper telescopic pipe; the upper telescopic pipe is provided with a U-shaped groove in a penetrating way; the lower telescopic pipe is fixedly connected with a sliding column which penetrates through the U-shaped groove and can slide along the U-shaped groove; the sliding column is in threaded connection with a fastening nut which is abutted against the outer wall of the upper telescopic pipe.

By adopting the technical scheme, taking the air suction pipe fitting as an example, the position of the air suction pipe fitting is adjusted according to the distance between the air suction pipe fitting and the printing paper, the upper telescopic pipe can slide up and down on the outer wall of the lower telescopic pipe by pushing and pulling the air suction pipe fitting, and after the height of the air suction pipe fitting is determined, the fastening nut is screwed to be abutted against the outer wall of the upper telescopic pipe; the flexible height adjustment is realized, and the efficient absorption and purification of the printing ink solvent are ensured.

The utility model discloses further set up to: the printing machine main part is provided with the piece of bleeding that is located printing machine main part top and communicates with air purification device.

Through adopting above-mentioned technical scheme, the piece of bleeding absorbs the volatile printing ink solvent that spills and not absorbed by air purification device to those from printing machine main part top, further guarantees to carry out abundant and comparatively comprehensive absorption purification to the printing ink solvent, ensures operating personnel's health.

The utility model discloses further set up to: the air exhaust part comprises an air exhaust pipe communicated with the air purification device, an air exhaust pipe head and a support frame, wherein the cross section of the air exhaust pipe head is communicated with the air exhaust pipe, the lower bottom of the air exhaust pipe head is longer than the isosceles trapezoid of the upper bottom of the air exhaust pipe head and is positioned above the first printing paper driving roller, and the support frame is fixedly connected to the main body of the printing machine and used for fixing the air exhaust pipe head.

Through adopting above-mentioned technical scheme, the support frame is erect in printing machine main part top with the exhaust tube head is stable, and the section is that the exhaust tube head that goes to the bottom and be longer than the upper base can cover great scope and carry out the effective absorption purification to volatile printing ink solvent.

The utility model discloses further set up to: the exhaust tube head is provided with a filter screen.

Through adopting above-mentioned technical scheme, the filter screen prevents debris such as dust from blockking up the suction pipe head.

To sum up, the utility model has the advantages of it is following:

1. through air purification device, the pipe fitting of breathing in, the piece of bleeding, gas collection pipe fitting and, the pipe fitting of bleeding, realized comparatively comprehensive source that covers the production of printing ink solvent, in time absorb the printing ink volatile solvent of processing and protect that operating personnel is healthy.

2. Through flexible support piece, the pipe fitting of breathing in and printing machine main part, realized highly guaranteeing that nimble adjustment breathing pipe absorbs the purification to printing ink solvent high efficiency.

Drawings

Fig. 1 is a side view of the present invention.

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

Fig. 3 is a schematic structural view of the telescopic support.

Fig. 4 is a sectional view of the suction pipe.

Fig. 5 is a schematic structural view of the air extracting member.

In the drawings, 1, a printer main body; 10. printing paper; 100. a fixing member; 11. a lower telescopic pipe; 12. an upper telescopic pipe; 13. a sliding pipe groove; 14. a U-shaped groove; 15. a traveler; 16. fastening a nut; 17. a filter screen; 2. an ink tank; 21. an ink outlet roller; 3. an inking roller; 4. a printing roller; 41. a flexographic plate; 5. a first printing paper driven roll; 6. a guide roller; 7. a second printing paper driven roll; 8. an air purification device; 81. a suction pipe fitting; 811. a base plate; 812. a telescopic support; 813. an air intake duct; 82. a gas collecting pipe fitting; 83. an air exhaust pipe fitting; 84. a suction hole; 85. an air extraction member; 851. an air exhaust pipe; 852. an air exhaust pipe head; 853. a support frame; 9. heating the tube.

Detailed Description

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

Referring to fig. 1 and 2, in order to disclose the flexographic printing machine of the present invention, the flexographic printing machine comprises a printing machine main body 1 and an ink tank 2 disposed on the upper portion of the printing machine main body 1 and in which ink is supplied, wherein the upper portion of the printing machine main body 1 is rotatably connected with an ink outlet roller 21 which is disposed inside the ink tank 2 and is in contact with the ink; an ink-carrying roller 3 which is abutted against the ink-discharging roller 21 is rotatably connected to the upper part of the printing machine main body 1; the upper part of the printing machine main body 1 is rotatably connected with a printing roller 4; the printing roller 4 is provided with a flexible plate 41 which is abutted with the ink carrying roller 3 in the circumferential direction; a first printing paper driving roller 5 abutted against the printing roller 4 is rotatably connected to the upper part of the printing machine main body 1; the upper part of the printing machine main body 1 is rotatably connected with a guide roller 6 horizontally spaced from the first printing paper driving roller 5; a second printing paper driving roller 7 located below the guide roller 6 is rotatably connected to the lower portion of the printer body 1. The first printing paper driving roller 5, the guide roller 6 and the second printing paper driving roller 7 are driven by printing paper 10; the upper part of the printer body 1 is provided with an air suction pipe 81 which is positioned on the upper part of the printing paper 10 and is parallel to the guide roller 6; the air suction pipe 81 is communicated with an air purification device 8 positioned at one side of the printing machine main body 1; the printing machine body 1 is provided with a plurality of gas collecting pipe members 82 which are positioned between the guide roller 6 and the second printing paper driving roller 7 and are close to the printing surface side of the printing paper 10; the gas collecting pipe 82 is communicated with the air purifying device 8; the printing press body 1 is provided with a plurality of heating tubes 9 which are located between the guide roller 6 and the second printing paper feed roller 7 and face away from the printing surface side of the printing paper 10. (Prior art: the ink discharging roller 21, the ink form roller 3, the printing roller 4, the first printing paper feed roller 5, the guide roller 6, and the second printing paper feed roller 7 are each connected to a driving motor for driving them to rotate).

Referring to fig. 2 and 3, in order to prevent the solvent in the ink tank 2 from being volatilized into the working environment, the printer main body 1 is provided with an air suction pipe member 83 which is located above the ink tank 2 and communicates with the air cleaning device 8. The suction pipe 81 includes bottom plates 811 respectively fixedly connected to both sides of the printer body 1, the bottom plates 811 being vertically and fixedly connected with telescopic supports 812; the upper extension tube 12 is fixedly connected with a fixing member 100 for fixing the suction tube 813. Connection state of the telescopic support 812: one end is vertically and fixedly connected to the bottom plate 811 and the other end is vertically and fixedly connected to the fixing member 100. Referring to fig. 4, in order to ensure good removal of the solvent in the ink, the air suction pipe 813 is provided with air suction holes 84 uniformly distributed around the circumference of the air suction pipe 813. The telescopic support 812 can adjust the position of the air suction pipe 813, so that the solvent in the ink can be better pumped, and the structure of the telescopic support 812 is as follows: the telescopic support 812 comprises a lower telescopic pipe 11 fixedly connected to the bottom plate 811, an upper telescopic pipe 12 is vertically slid on the outer wall of the lower telescopic pipe 11, and a sliding pipe groove 13 which is used for the upper telescopic pipe 12 to slide and has the diameter equal to the outer diameter of the upper telescopic pipe 12 is integrally formed on the lower telescopic pipe 11; the upper extension tube 12 is provided with a U-shaped groove 14 in a penetrating way; the lower telescopic pipe 11 is fixedly connected with a sliding column 15 which penetrates through the U-shaped groove 14 and can slide along the U-shaped groove 14; the slide post 15 is screwed with a fastening nut 16 abutting against the outer wall of the upper extension tube 12.

Referring to fig. 2 in conjunction with fig. 5, in order to further prevent the ink solvent from being volatilized into the working environment, the printer main body 1 is provided with an air extractor 85 which is located above the printer main body 1 and communicates with the air cleaning device 8. The air extracting member 85 includes an air extracting pipe 851 communicated with the air cleaning device 8, the air extracting pipe 851 is communicated with an air extracting pipe head 852 having a cross section which is in an isosceles trapezoid shape with a lower base longer than an upper base and located above the first printing paper driving roller 5, and the air extracting pipe head 852 is provided with a filter net 17 in order to prevent impurities such as dust from clogging the air extracting pipe head 852. In order to stably mount the suction pipe head 852, a support 853 for fixing the suction pipe head 852 is fixedly connected to the printer body 1.

During the printing process, the suction pipe 81 sucks the ink solvent volatilized from the printing paper 10 printed with the ink and positioned between the first printing paper driving roller 5 and the guide roller 6; the printing paper between the guide roller 6 and the second printing paper driving roller 7 generates more printing ink solvent under the action of the heating pipe 9, and the gas collecting pipe 82 efficiently absorbs the generated printing ink solvent; the air exhaust pipe 83 efficiently absorbs the ink solvent volatilized by the ink in the ink tank 2; the air exhaust piece 85 absorbs volatile ink solvents which overflow from the upper part of the printer main body 1 and are not absorbed by the air purification device 8, and waste gas absorbed by each pipe is remitted into the air purification device 8 for purification treatment, so that a source for comprehensively covering the production of the ink solvents is realized, and the ink volatile solvents are absorbed in time to protect the health of operators.

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. A flexographic printing machine comprises a printing machine main body (1), wherein an ink groove (2) for placing ink is formed in the upper part of the printing machine main body (1), and an ink outlet roller (21) which is positioned in the ink groove (2) and is in contact with the ink is rotatably connected to the upper part of the printing machine main body (1); an ink-carrying roller (3) which is abutted against the ink-discharging roller (21) is rotatably connected to the upper part of the printing machine main body (1); the upper part of the printing machine main body (1) is rotatably connected with a printing roller (4); a flexible plate (41) which is abutted with the ink carrying roller (3) is arranged on the circumferential direction of the printing roller (4); a first printing paper driving roller (5) which is abutted against the printing roller (4) is rotatably connected to the upper part of the printing machine main body (1); the upper part of the printing machine main body (1) is rotatably connected with a guide roller (6) which is horizontally spaced from the first printing paper driving roller (5); the lower part of the printing machine main body (1) is rotatably connected with a second printing paper driving roller (7) positioned below the guide roller (6); first printing paper driving roller (5), guide roll (6) and second printing paper driving roller (7) three transmission have printing paper (10), its characterized in that: a plurality of air suction pipe fittings (81) which are positioned on the upper part of the printing paper (10) and are parallel to the guide roller (6) are arranged on the upper part of the printing machine main body (1); the air suction pipe fitting (81) is communicated with an air purification device (8) positioned on one side of the printer main body (1); the printing machine main body (1) is provided with a plurality of gas collecting pipe fittings (82) which are positioned between the guide roller (6) and the second printing paper driving roller (7) and are close to the printing surface side of the printing paper (10); the gas collecting pipe fitting (82) is communicated with the air purifying device (8); the printing machine body (1) is provided with a plurality of heating pipes (9) which are positioned between the guide roller (6) and the second printing paper driving roller (7) and are opposite to the printing surface side of the printing paper (10).

2. A flexographic printing press according to claim 1, characterized in that: the printing machine main body (1) is provided with an air exhaust pipe fitting (83) which is positioned above the ink tank (2) and is communicated with the air purification device (8).

3. A flexographic printing press according to claim 2, characterized in that: the air suction pipe fitting (81) comprises bottom plates (811) respectively fixedly connected to two sides of the printer body (1), telescopic supporting pieces (812) fixedly connected to the bottom plates (811) and air suction pipes (813) fixedly connected to the telescopic supporting pieces (812) in the circumferential direction; one end of the telescopic support (812) is vertically and fixedly connected to the bottom plate (811) and the other end is vertically and fixedly connected to the circumferential direction of the air suction pipe (813).

4. A flexographic printing press according to claim 3, characterized in that: the air suction pipe (813) is provided with air suction holes (84) uniformly distributed on the circumference of the air suction pipe (813) in a penetrating way.

5. A flexographic printing press according to claim 3, characterized in that: the telescopic support part (812) comprises a lower telescopic pipe (11) fixedly connected to the bottom plate (811), an upper telescopic pipe (12) which slides up and down on the outer wall of the lower telescopic pipe (11) and a fixing part (100) which is fixedly connected to the upper telescopic pipe (12) and used for fixing the air suction pipe (813), and the lower telescopic pipe (11) is integrally formed with a sliding pipe groove (13) which is used for the upper telescopic pipe (12) to slide and has the diameter equal to the outer diameter of the upper telescopic pipe (12); the upper telescopic pipe (12) is provided with a U-shaped groove (14) in a penetrating way; the lower telescopic pipe (11) is fixedly connected with a sliding column (15) which penetrates through the U-shaped groove (14) and can slide along the U-shaped groove (14); the sliding column (15) is in threaded connection with a fastening nut (16) which is abutted against the outer wall of the upper telescopic pipe (12).

6. A flexographic printing press according to claim 1, characterized in that: the printing machine main body (1) is provided with an air exhaust piece (85) which is positioned above the printing machine main body (1) and communicated with the air purification device (8).

7. A flexographic printing press according to claim 6, characterized in that: the air extracting part (85) comprises an air extracting pipe (851) communicated with the air purifying device (8), an air extracting pipe head (852) which is communicated with the air extracting pipe (851) and has a cross section which is in an isosceles trapezoid shape with a lower base longer than an upper base and is positioned above the first printing paper driving roller (5), and a support frame (853) fixedly connected to the printing machine main body (1) for fixing the air extracting pipe head (852).

8. A flexographic printing press according to claim 7, characterized in that: the air pumping pipe head (852) is provided with a filter screen (17).