CN210026607U

CN210026607U - Double-sided single-color fountain offset press with adjustable wettability

Info

Publication number: CN210026607U
Application number: CN201920500156.4U
Authority: CN
Inventors: 刘长华; 徐小兰; 宗亚琴
Original assignee: Rugao Chang Chen Printing Machinery Co Ltd
Current assignee: Rugao Chang Chen Printing Machinery Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-02-07
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a two-sided monochromatic water fountain offset press of degree of wetting adjustable, including frame, conveyer belt, even china ink system, preceding paper cylinder, lower impression cylinder, lower blanket cylinder and lower plate cylinder, the inside of frame is provided with the conveyer belt, and the externally mounted of frame is provided with the motor to the output of motor is connected with preceding paper cylinder, the top of connecting block is connected with the connecting wire, and the top setting of connecting wire is in the top of spool, and the top of spool is connected with the handle, and the top of handle is outside position fixing on the left side of the top of handle simultaneously has the stopper. The double-sided single-color water fountain offset press with the adjustable wettability can well control the water feeding amount of a wetting system in the using process, so that the internal wettability of the whole offset press can be flexibly adjusted in the using process, and the using range of the whole offset press is expanded.

Description

Double-sided single-color fountain offset press with adjustable wettability

Technical Field

The utility model relates to an offset press correlation technique field specifically is a two-sided monochromatic water fountain offset press of degree of wetting adjustable.

Background

The offset press is a printing device which rolls the pictures and texts on the rubber roller onto the upper paper in an extruding and rolling mode, so that the effect of the offset press is achieved, the wettability above the existing dampening offset press on the market can not be well adjusted in the using process, and the printing effect on the whole paper cannot meet the ideal requirement, so that the dampening offset press which is convenient to solve the problems is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-sided monochromatic water damping offset press of degree of wetting adjustable to solve the problem that the degree of wetting of the in-process that the current market on the water damping offset press that the above-mentioned background art provided can not be fine to its top is controlled carrying out the use.

In order to achieve the above object, the utility model provides a following technical scheme: a double-sided monochromatic water dampening offset press with adjustable degree of dampening comprises a frame, a conveyor belt, an ink homogenizing system, an upper printing plate cylinder, an upper blanket cylinder, an upper impression cylinder, a front paper conveying cylinder, a lower impression cylinder, a lower blanket cylinder and a lower printing plate cylinder, wherein the conveyor belt is arranged inside the frame, a motor is arranged outside the frame, the output end of the motor is connected with the front paper conveying cylinder, the bottom end of the front paper conveying cylinder is tangent to the top end of the lower impression cylinder, the lower blanket cylinder and the lower printing plate cylinder are sequentially arranged below the lower impression cylinder, the ink homogenizing system is arranged above the upper printing plate cylinder, the wetting system is arranged at the right side of the upper printing plate cylinder, the upper blanket cylinder and the upper impression cylinder are sequentially arranged below the upper printing plate cylinder, a middle paper conveying cylinder is arranged at the horizontal position at the right side of the upper impression cylinder, and the right side of middle paper feed cylinder is tangent with lower impression cylinder, the below of going up the impression cylinder is connected with the top of conveyer belt 3, the below position and the right side position of lower plate cylinder also are provided with even black system and moist system respectively, the top position of moist system is provided with the scraper, and the top of scraper is connected with the connecting axle, the bottom of connecting axle is connected with the bottom that runs through the reservation groove on frame surface through reset spring, and the connecting block is installed to the top of connecting axle, the top of connecting block is connected with the connecting wire, and the top of connecting wire sets up in the top of spool to the top of spool is connected with the handle, and the top skew outside position of handle is fixed with the stopper simultaneously.

Preferably, the wetting system comprises a water feeding roller, a water distributing roller, a water homogenizing roller, a brush roller and a water tank, the water feeding roller, the water distributing roller, the water homogenizing roller and the brush roller are sequentially arranged from left to right, and the lower portion of the brush roller is arranged inside the water tank.

Preferably, a scraper is arranged right above the brush roller, and the brush on the brush roller is made of palm fiber.

Preferably, the top end of the handle and the limiting block are mutually clamped with a clamping groove penetrating through the rack, and the limiting block and the handle are in interference fit.

Preferably, the bottom and the top of the connecting shaft are fixedly connected with the return spring and the connecting block respectively, and the original length of the return spring is one third of the length of the reserved groove.

Compared with the prior art, the beneficial effects of the utility model are that: the double-sided single-color water fountain offset press with adjustable wettability can well control the water feeding amount of a wetting system in the using process, so that the wettability inside the offset press can be flexibly adjusted in the using process of the whole offset press, and the using range of the whole offset press is expanded;

1. when the whole offset press is used, the height of the scraper inside the offset press is flexibly adjusted, and the water feeding amount of the brush roller can be well controlled through the contact relation between the scraper and the brush roller, so that the effect of controlling the wettability of the offset press is achieved;

2. whole device is carrying out offset printing work to the bottom of paper earlier and carries out offset printing work to the top of paper again at the in-process of carrying out offset printing's in-process for the paper is longer at offset printing's in-process walking distance, and convenient drying also the phenomenon that the pollution can not appear simultaneously takes place.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the moistening system of the present invention;

FIG. 3 is a schematic view of the structure of the upper part of the frame of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a frame; 2. a middle paper transfer roller; 3. a conveyor belt; 4. an ink distributing system; 5. an upper plate cylinder; 6. a wetting system; 601. a water-applying roller; 602. a dampening roller; 603. a water homogenizing roller; 604. a brush roller; 605. a water tank; 7. an upper blanket cylinder; 8. an upper impression cylinder; 9. a forward-feed roller; 10. pressing down the printing roller; 11. a lower blanket cylinder; 12. a lower plate cylinder; 13. a grip; 14. a connecting shaft; 15. a scraper; 16. a motor; 17. reserving a groove; 18. a return spring; 19. connecting blocks; 20. a connecting wire; 21. a spool; 22. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a double-sided monochromatic water dampening offset press with adjustable degree of dampening comprises a frame 1, a middle paper transfer cylinder 2, a conveyor belt 3, an ink homogenizing system 4, an upper printing plate cylinder 5, a dampening system 6, a dampening roller 601, a water distributing roller 602, a water homogenizing roller 603, a brush roller 604, a water tank 605, an upper blanket cylinder 7, an upper impression cylinder 8, a front paper transfer cylinder 9, a lower impression cylinder 10, a lower blanket cylinder 11, a lower printing plate cylinder 12, a grip 13, a connecting shaft 14, a scraper 15, a motor 16, a preformed groove 17, a reset spring 18, a connecting block 19, a connecting wire 20, a winding shaft 21 and a limiting block 22, wherein the conveyor belt 3 is arranged inside the frame 1, the motor 16 is arranged outside the frame 1, the output end of the motor 16 is connected with the front paper transfer cylinder 9, the bottom end of the front paper transfer cylinder 9 is tangent to the top end of the lower impression cylinder 10, the lower blanket cylinder 11 and the lower printing plate cylinder 12 are sequentially arranged below the lower impression cylinder 10, an ink distributing system 4 is arranged above the upper printing plate cylinder 5, a wetting system 6 is arranged at the right side position of the upper printing plate cylinder 5, an upper blanket cylinder 7 and an upper impression cylinder 8 are sequentially arranged below the upper printing plate cylinder 5, a middle paper conveying cylinder 2 is arranged at the horizontal position at the right side of the upper impression cylinder 8, the right side of the middle paper conveying cylinder 2 is tangent to a lower impression cylinder 10, the lower part of the upper impression cylinder 8 is connected with the top end of a conveyor belt 3, an ink distributing system 4 and a wetting system 6 are respectively arranged at the lower position and the right side position of a lower printing plate cylinder 12, a scraper 15 is arranged at the upper position of the wetting system 6, the top end of the scraper 15 is connected with a connecting shaft 14, the bottom of the connecting shaft 14 is connected with the bottom of a reserved groove 17 penetrating through the surface of the frame 1 through a return spring 18, a connecting block 19 is arranged above the connecting shaft 14, and the top end of, the top end of the connecting wire 20 is arranged above the winding shaft 21, the top end of the winding shaft 21 is connected with the handle 13, and a limiting block 22 is fixed on the upper outer side of the handle 13.

Wetting system 6 is including water roller 601, dampening string roller 602, even water roller 603, brush roller 604 and basin 605, and set gradually from left to right between water roller 601, dampening string roller 602, even water roller 603 and the brush roller 604 four, and the below setting of brush roller 604 is in the inside of basin 605, position is provided with scraper 15 directly over brush roller 604, and the brush material on the brush roller 604 is the palm hair material, conveniently stir the work to the inside water source of basin 605 under the effect of brush roller 604, cooperate scraper 15's setting, reach the top of transmitting the water source to even water roller 603.

The top of handle 13 and stopper 22 with run through the mutual block of draw-in groove in frame 1, and be interference fit between stopper 22 and the handle 13, conveniently carry out spacing work to the angle of winding axle 21 rotation, guarantee the rigidity of scraper 15.

The bottom and the top of the connecting shaft 14 are fixedly connected with the return spring 18 and the connecting block 19 respectively, and the original length of the return spring 18 is one third of the length of the reserved groove 17, so that the connecting block 19 and the connecting shaft 14 can be conveniently driven to perform high lifting work under the action of the connecting wire 20.

The working principle is as follows: when the double-sided monochromatic water dampening offset press with adjustable dampening degree is used, firstly, the motor 16 drives the front paper transfer cylinder 9 to rotate, the paper is transferred onto the lower impression cylinder 10 through the middle of the front paper transfer cylinder 9, then the paper passes through the tangent position of the front paper transfer cylinder 9 and the lower impression cylinder 10 and is driven by the lower impression cylinder 10 to enter the tangent position of the lower impression cylinder 10 and the lower blanket cylinder 11, the lower impression cylinder 10 is provided with a printing plate, the printing plate is firstly contacted with the water roller 601 at one side of the wetting system 6 in the rotating working cycle process of the lower impression cylinder 10, so that the blank part of the printing plate obtains water without ink and then is contacted with the ink roller in the ink distributing system 4, so that the printing image and text part is inked, the ink is transferred onto the lower blanket cylinder 11 in the rotating process of the lower impression cylinder 10, and the ink is printed on the upper part of the paper when the paper passes through the tangent position of the lower impression cylinder 10 and the lower blanket cylinder 11, completing the printing of the lower part, wherein the paper enters the tangent part between the lower impression cylinder 10 and the middle paper transfer cylinder 2 after passing through the tangent part between the lower impression cylinder 10 and the lower blanket cylinder 11, then is brought into the tangent part between the upper blanket cylinder 7 and the upper impression cylinder 8 by the rotating middle paper transfer cylinder 2, the upper part of the paper is printed by the ink on the upper blanket cylinder 7 while passing through, the printing work of the paper is completed, and then the top end of the paper is transferred out by the conveyor belt 3;

in the process of printing, if the worker needs to adjust the wetness of the whole dampening system 6 of the offset press, the worker only needs to rotate the handle 13, so that the handle 13 drives the bobbin 21 which is coaxially connected with the handle 13 to rotate, the bobbin 21 drives the connecting wire 20 to wind, then the connecting wire 20 pulls the connecting block 19 and the connecting shaft 14 upwards to achieve the effect of adjusting the height of the scraper 15 which is coaxially connected with the connecting shaft 14, when the whole scraper 15 is adjusted to a proper height, the worker only needs to clamp the limiting block 22 on the handle 13 with the limiting hole on the frame 1 to complete the adjustment of the height of the scraper 15 in the process of adjusting the scraper 15, so that the distance between the brush rollers 604 of the scraper 15 can be adjusted, and further the work of adjusting the water amount ejected by the contact between the brush rollers 604 and the water tank 605 can be completed, the amount of water finally reaching the water roller 601 is changed along with the amount of water ejected from the brush roller 604, so that the effect of controlling the amount of water supplied to the whole dampening system 6 can be well achieved, and the degree of dampening of the whole offset printing press can be well adjusted during use.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a two-sided monochromatic water fountain offset press of degree of wetting adjustable, includes frame (1), conveyer belt (3), even black system (4), goes up plate cylinder (5), goes up blanket cylinder (7), goes up impression cylinder (8), preceding paper feed cylinder (9), presses impression cylinder (10) down, blanket cylinder (11) and plate cylinder (12) down, its characterized in that: the automatic printing machine is characterized in that a conveyor belt (3) is arranged in the frame (1), a motor (16) is arranged outside the frame (1), the output end of the motor (16) is connected with a front paper conveying cylinder (9), the bottom end of the front paper conveying cylinder (9) is tangent to the top end of a lower impression cylinder (10), a lower blanket cylinder (11) and a lower printing plate cylinder (12) are sequentially arranged below the lower impression cylinder (10), an ink distributing system (4) is arranged at the upper position of an upper printing plate cylinder (5), a wetting system (6) is arranged at the right side position of the upper printing plate cylinder (5), an upper blanket cylinder (7) and an upper impression cylinder (8) are sequentially arranged below the upper printing plate cylinder (5), a middle paper conveying cylinder (2) is arranged at the horizontal position at the right side of the upper impression cylinder (8), and the right side of the middle paper conveying cylinder (2) is tangent to the lower impression cylinder (10), the lower part of the upper impression cylinder (8) is connected with the top end of the conveyor belt (3), an ink distributing system (4) and a wetting system (6) are respectively arranged at the lower position and the right side position of the lower printing plate cylinder (12), a scraper (15) is arranged at the upper position of the wetting system (6), the top end of the scraper (15) is connected with the connecting shaft (14), the bottom of the connecting shaft (14) is connected with the bottom of a preformed groove (17) penetrating through the surface of the frame (1) through a return spring (18), a connecting block (19) is arranged above the connecting shaft (14), the top end of the connecting block (19) is connected with a connecting wire (20), the top end of the connecting wire (20) is arranged above the winding shaft (21), the top end of the winding shaft (21) is connected with the handle (13), and a limiting block (22) is fixed on the upper outer side of the handle (13).

2. A dual-sided monochrome water-fountain offset printing press with adjustable fountain strength according to claim 1, wherein: the wetting system (6) comprises a water roller (601), a water mixing roller (602), a water homogenizing roller (603), a brush roller (604) and a water tank (605), the water roller (601), the water mixing roller (602), the water homogenizing roller (603) and the brush roller (604) are sequentially arranged from left to right, and the lower portion of the brush roller (604) is arranged inside the water tank (605).

3. A dual-sided monochrome water-fountain offset printing press with adjustable fountain level according to claim 2, wherein: a scraper (15) is arranged right above the brush roller (604), and the brush on the brush roller (604) is made of palm fiber.

4. A dual-sided monochrome water-fountain offset printing press with adjustable fountain strength according to claim 1, wherein: the top end of the handle (13) is mutually clamped with the limiting block (22) and a clamping groove penetrating through the rack (1), and the limiting block (22) is in interference fit with the handle (13).

5. A dual-sided monochrome water-fountain offset printing press with adjustable fountain strength according to claim 1, wherein: the bottom and the top of the connecting shaft (14) are fixedly connected with the return spring (18) and the connecting block (19) respectively, and the original length of the return spring (18) is one third of the length of the reserved groove (17).