CN210026640U

CN210026640U - Double-sided printing device for adhesive paper

Info

Publication number: CN210026640U
Application number: CN201822147776.2U
Authority: CN
Inventors: 加金良; 贾鹏
Original assignee: Xuchang Yuto Printing & Packing Co Ltd
Current assignee: Xuchang Yuto Printing & Packing Co Ltd
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2020-02-07
Anticipated expiration: 2028-12-20

Abstract

An adhesive paper double-sided printing device effectively solves the problem that the existing clutch pressing structure is not suitable for a double-sided printing device; the printing machine comprises a shell, wherein a front printing device and a back printing device are arranged in the shell, the front printing device comprises a printing plate cylinder, a blanket cylinder and an impression cylinder, the back printing device comprises a printing plate cylinder, a blanket cylinder and an impression cylinder, a paper feeding groove extending to the impression cylinder is formed in the upper end of the shell, and the printing plate cylinder, the impression cylinder and the blanket cylinder are respectively installed on the shell through a first eccentric sleeve, a second eccentric sleeve and a fixed sleeve; the utility model has simple structure and ingenious conception, can control the on-off pressing of the front printing device and the back printing device through one mechanism, and has accurate on-off pressing action and accurate control; the structure is simple, and the action is rapid; the whole machine has stable motion and low noise, is convenient to replace parts on the front printing device and the back printing device, and saves the manufacturing and using cost.

Description

Double-sided printing device for adhesive paper

Technical Field

The utility model relates to a two-sided printing technology field, in particular to adhesive tape two-sided printing device.

Background

In the double-sided printing of substrates, it is necessary to ensure that the ink on the front side has dried before printing on the reverse side. In the existing equipment and process technology for carrying out double-sided continuous multi-color printing on coiled substrates, because of the limitation of the equipment condition, the floor space of the equipment, the direction of the walking route of the base material and other factors, the printing ink can be instantly dried by adopting a high-temperature heat source immediately after one color of the printing ink is printed, and then the next color is printed, but the whole printing speed is limited, since if the printing speed is too fast, this means that the substrate is running fast, which may result in too short a time for the inter-colour drying, therefore, a separation and press-fit device is usually provided in the printing device, so that in the idle running condition of the printing machine before the printing operation, the blanket cylinder is in a pressure-release state with the plate cylinder and the impression cylinder respectively, and at the moment, the clutch pressure mechanism of the printing machine is also in a non-working state, so that the printing ink can be completely dried. When the printing machine starts to work, the blanket cylinder is respectively in a pressing state with the plate cylinder and the impression cylinder, and printing can be continued.

However, in the control structure of the conventional duplex printing apparatus, the clutch pressure of the duplex printing apparatus is respectively controlled by a plurality of different or identical air cylinders, which results in resource waste and cost increase.

There is a need for a double-sided offset printing apparatus to solve this problem.

SUMMERY OF THE UTILITY MODEL

To above-mentioned condition, for overcoming prior art's defect, the utility model aims at providing an adhesive tape double-sided printing device, the effectual current separation and reunion of having solved presses the problem that the structure is not suitable for double-sided printing device.

The technical scheme who solves is, the utility model discloses a casing, be equipped with positive printing device and reverse side printing device in the casing, positive printing device is including being the first forme cylinder a, first blanket cylinder a and first impression cylinder a that five o 'clock formula were arranged, reverse side printing device is including being the second forme cylinder b, second blanket cylinder b and the second impression cylinder b that seven o' clock formula were arranged, the upper end of casing is equipped with the paper feed groove that extends first impression cylinder a, second impression cylinder b department, first forme cylinder a, second forme cylinder b, first impression cylinder a, second impression cylinder b and first blanket cylinder a, second blanket cylinder b are installed on the casing through first eccentric cover, second eccentric cover and fixed cover respectively, make first forme cylinder a, second forme cylinder b and first impression cylinder a, second impression cylinder b can do the displacement of certain degree, the front printing device and the back printing device are respectively provided with a clutch pressure control mechanism, the first blanket cylinder a and the second blanket cylinder b are connected with the first printing plate cylinder a and the second printing plate cylinder b and the first impression cylinder a and the second impression cylinder b through a clutch pressure connecting rod mechanism, the front end and the rear end of the shell are provided with clutch pressure connecting rod mechanisms which are controlled to enable the front printing device and the back printing device to reach a clutch pressure or a clutch pressure state, and the front printing device and the back printing device are respectively provided with the clutch pressure control mechanisms connected with the clutch pressure connecting rod mechanisms;

in order to control the movement of the separation and pressing connecting rod mechanism conveniently, the separation and pressing control mechanism comprises two groups of branch mechanisms which are respectively arranged at the front end and the rear end of the shell, each branch mechanism comprises a first slide rail a and a second slide rail b which are arranged at the left end and the right end of the shell, horizontal straight rods are arranged in the first slide rail a and the second slide rail b in a sliding mode, and the straight rods are connected with the separation and pressing connecting rod mechanism, so that the separation and pressing of the separation and pressing connecting rod mechanism can be controlled by moving the straight rods up and down;

the upper end of the shell is provided with a first ink unit a and a second ink unit b on the upper sides of the front printing device and the back printing device.

The utility model has the advantages that: the utility model has simple structure and ingenious conception, can control the on-off pressing of the front printing device and the back printing device through one mechanism, and has accurate on-off pressing action and accurate control; the structure is simple, and the action is rapid; the whole machine has stable motion and low noise, is convenient to replace parts on the front printing device and the back printing device, and saves the manufacturing and using cost.

Drawings

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

Fig. 2 is a sectional view taken along the direction a-a in fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of the clutch connecting rod mechanism of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Example (b):

as shown in figures 1 to 3, the utility model discloses a casing 1, be equipped with positive printing device and reverse side printing device in the casing 1, positive printing device is including being the first plate cylinder 2a, first blanket cylinder 3a and first impression cylinder 4a that five o 'clock were arranged, reverse side printing device is including being the second plate cylinder 2b, second blanket cylinder 3b and second impression cylinder 4b that seven o' clock were arranged, the upper end of casing 1 is equipped with the paper feed groove 23 that extends to first impression cylinder 4a, second impression cylinder 4b department, first plate cylinder 2a, second plate cylinder 2b, first impression cylinder 4a, second impression cylinder 4b and first blanket cylinder 3a, second blanket cylinder 3b install on casing 1 through first eccentric cover 5, second eccentric cover 6 and fixed cover 7 respectively for first plate cylinder 2a, second plate cylinder 2b and first impression cylinder 4a, second impression cylinder 4a, The second impression cylinder 4b can make certain displacement, the front printing device and the back printing device are both provided with clutch pressure control mechanisms, the first blanket cylinder 3a and the second blanket cylinder 3b are connected with the first printing plate cylinder 2a and the second printing plate cylinder 2b and the first impression cylinder 4a and the second impression cylinder 4b through a clutch pressure connecting rod mechanism, the front end and the rear end of the shell 1 are provided with clutch pressure connecting rod mechanisms which are controlled to enable the front printing device and the back printing device to reach a state of pressure release or pressure engagement, and the front printing device and the back printing device are both provided with clutch pressure control mechanisms connected with the clutch pressure connecting rod mechanisms;

in order to control the movement of the clutch pressing connecting rod mechanism conveniently, the clutch pressing control mechanism comprises two groups of branch mechanisms which are respectively arranged at the front end and the rear end of the shell 1, each branch mechanism comprises a first slide rail 8a and a second slide rail 8b which are arranged at the left end and the right end of the shell 1, a horizontal straight rod 9 is arranged in the first slide rail 8a and the second slide rail 8b in a sliding manner, and the straight rod 9 is connected with the clutch pressing connecting rod mechanism, so that the clutch pressing connecting rod mechanism can be controlled to be pressed by moving the straight rod 9 up and down;

the upper end of the housing 1 is provided with a first ink unit 10a and a second ink unit 10b on the upper sides of the front printing device and the reverse printing device.

The clutch pressure link mechanism comprises two groups of combined link structures which are symmetrically arranged at two ends of a first plate cylinder 2a, a second plate cylinder 2b, a first impression cylinder 4a, a second impression cylinder 4b, a first rubber cylinder 3a and a second rubber cylinder 3b, the combined link mechanism comprises a first control link 11a and a second control link 11b which are hinged on a fixed sleeve 7, one end of the first control link 11a and the second control link 11b which are connected with the fixed sleeve 7 is hinged with a first L-shaped rod 12a and a second L-shaped rod 12b, the end parts of the first L-shaped rod 12a and the second L-shaped rod 12b are hinged with a first bearing link 13a and a second bearing link 13b, the two ends of the first bearing link 13a and the second bearing link 13b are respectively hinged with a first link 14a, a third link 14b, a second link 15a and a fourth link 15b, the first connecting rod 14a and the third connecting rod 14b are connected with the end parts of the first plate cylinder 2a and the second plate cylinder 2b, the second connecting rod 15a and the fourth connecting rod 15b are connected with the end parts of the first impression cylinder 4a and the second impression cylinder 4b, when the first control connecting rod 11a and the second control connecting rod 11b are controlled to move obliquely downwards, the control connecting rod 11 drives the first L-shaped rod 12a and the second L-shaped rod 12b to rotate, the first L-shaped rod 12a and the second L-shaped rod 12b respectively drive the first connecting rod 14a, the third connecting rod 14b and the second connecting rod 15a and the fourth connecting rod 15b to rotate through the first receiving connecting rod 13a and the second receiving connecting rod 13b, and the first plate cylinder 2a, the second plate cylinder 2b and the first impression cylinder 4a and the second impression cylinder 4b are connected with the first blanket cylinder 3a and the second blanket cylinder 3b to be pressed together; on the contrary, the first plate cylinder 2a, the second plate cylinder 2b, the first impression cylinder 4a and the second impression cylinder 4b are connected and pressed away from the first blanket cylinder 3a and the second blanket cylinder 3b, so that the position of the movement control link 11 can control the clutch or press-fit of the front printing device and the back printing device.

In order to control the movement of the first control connecting rod 11a and the second control connecting rod 11b conveniently, the left end and the right end of the straight rod 9 are provided with a first limiting groove 16a and a second limiting groove 16b, the first control connecting rod 11a and the second control connecting rod 11b are provided with a first limiting rod 17a and a second limiting rod 17b which are slidably mounted on the first limiting groove 16a and the second limiting groove 16b, and when the straight rod 9 moves up and down, the first control connecting rod 11a and the second control connecting rod 11b move along with the first limiting rod 17a and the second limiting rod 17b, so that the first control connecting rod 11a and the second control connecting rod 11b can move obliquely downwards or obliquely upwards.

The lower end of the shell 1 is provided with a paper feeding table 18, a paper outlet 19 is formed in the joint of the right end of the paper feeding table 18 and the shell 1, a concave surface 20 is formed in the right end of the paper feeding table 18, and printed paper can leave the shell 1 through the paper outlet 19 through the paper feeding table 18.

The left end of the shell 1 is provided with a vertical hydraulic rod 21, the upper end of the hydraulic rod 21 is connected with the straight rod 9, and the hydraulic rod 21 can be arranged on the paper feeding table 18 or at the lower end of the shell 1.

In order to improve the synchronism of the two groups of branch structures, the two straight rods 9 are connected with the supporting rods 22, so that the rigidity of the straight rods 9 can be effectively improved.

The paper feeding slot 23 is an inverted cone structure with a large upper part and a small lower part, and an opening at the lower end of the paper feeding slot 23 is arranged between the first impression cylinder 4a and the second impression cylinder 4 b.

The utility model discloses when using, control hydraulic stem 21 drives straight-bar 9 and rises for openly printing device and reverse side printing device close the pressure, send into openly printing device and reverse side printing device through going into paper groove 23 in with paper, print and the propelling movement to paper, the paper through the printing falls on paper table 18 and slides to exit slot 19.

Claims

1. A double-sided offset printing device comprises a shell (1) and is characterized in that a front printing device and a back printing device are arranged in the shell (1), the front printing device comprises a first plate cylinder (2a), a first blanket cylinder (3a) and a first impression cylinder (4a), the back printing device comprises a second plate cylinder (2b), a second blanket cylinder (3b) and a second impression cylinder (4b), a paper feeding groove (23) extending to the first impression cylinder (4a) and the second impression cylinder (4b) is formed in the upper end of the shell (1), the first plate cylinder (2a), the second plate cylinder (2b), the first impression cylinder (4a), the second blanket cylinder (4b) and the first blanket cylinder (3a) are respectively installed on the shell (1) through a first eccentric sleeve (5), a second eccentric sleeve (6) and a fixed sleeve (7), the front printing device and the back printing device are respectively provided with a clutch pressure control mechanism, the front end and the rear end of the shell (1) are respectively provided with a clutch pressure connecting rod mechanism which is controlled to enable the front printing device and the back printing device to reach a pressure-releasing or pressure-closing state, and the front printing device and the back printing device are respectively provided with a clutch pressure control mechanism connected with the clutch pressure connecting rod mechanism; the clutch pressure control mechanism comprises two groups of branch mechanisms which are respectively arranged at the front end and the rear end of the shell (1), each branch mechanism comprises a first slide rail (8a) and a second slide rail (8b) which are arranged at the left end and the right end of the shell (1), a horizontal straight rod (9) is arranged in the first slide rail (8a) and the second slide rail (8b) in a sliding manner, and the straight rod (9) is connected with the clutch pressure connecting rod mechanism; the upper end of the shell (1) is provided with a first ink unit (10a) and a second ink unit (10b) on the upper sides of the front printing device and the back printing device.

2. A device for perfecting printing on offset paper as claimed in claim 1, wherein said clutch-press linkage mechanism comprises two sets of combined linkage structures symmetrically disposed at two ends of a first plate cylinder (2a), a second plate cylinder (2b), a first impression cylinder (4a), a second impression cylinder (4b), a first blanket cylinder (3a) and a second blanket cylinder (3b), the combined linkage mechanism comprises a first control linkage (11a) and a second control linkage (11b) hinged on the fixing sleeve (7), the ends of the first control linkage (11a) and the second control linkage (11b) connected with the fixing sleeve (7) are hinged with a first L-shaped rod (12a) and a second L-shaped rod (12b), the ends of the first L-shaped rod (12a) and the second L-shaped rod (12b) are hinged with a first receiving linkage (13a), The two ends of the first bearing connecting rod (13a) and the second bearing connecting rod (13b) are respectively hinged with a first connecting rod (14a), a third connecting rod (14b), a second connecting rod (15a) and a fourth connecting rod (15b), the first connecting rod (14a) and the third connecting rod (14b) are connected with the end parts of the first printing plate cylinder (2a) and the second printing plate cylinder (2b), and the second connecting rod (15a) and the fourth connecting rod (15b) are connected with the end parts of the first impression cylinder (4a) and the second impression cylinder (4b), so that the position of the movable control connecting rod (11) can control the clutch or press fit of the front printing device and the back printing device.

3. The double-sided adhesive tape printing device according to claim 1, wherein the straight bar (9) is provided at both left and right ends thereof with a first limiting groove (16a) and a second limiting groove (16b), and the first control link (11a) and the second control link (11b) are provided with a first limiting rod (17a) and a second limiting rod (17b) slidably mounted in the first limiting groove (16a) and the second limiting groove (16 b).

4. The offset paper double-sided printing device according to claim 1, wherein a paper feeding table (18) is arranged at the lower end of the housing (1), a paper outlet (19) is arranged at the joint of the right end of the paper feeding table (18) and the housing (1), and a concave surface (20) is arranged at the right end of the paper feeding table (18).

5. A gummed paper double-sided printing device according to claim 1, wherein a vertical hydraulic rod (21) is arranged at the left end of the shell (1), and the upper end of the hydraulic rod (21) is connected with the straight rod (9).

6. A device for the double-sided printing of offset paper according to claim 1, characterized in that the two straight bars (9) are connected with support bars (22).

7. A device for perfecting printing on gummed paper as in claim 1, wherein said paper feed slot (23) is a reverse tapered structure with a large top and a small bottom, and the opening at the lower end of the paper feed slot (23) is placed between the first impression cylinder (4a) and the second impression cylinder (4 b).