CN211662796U

CN211662796U - Printing roller structure

Info

Publication number: CN211662796U
Application number: CN201921809665.1U
Authority: CN
Inventors: 高新华; 丁常青; 聂亿兵; 贾金平; 付志辉; 余阳勇; 陈龙; 陈思思
Original assignee: Wuhan Hongzhicai Packaging Printing Co Ltd
Current assignee: Wuhan Hongzhicai Packaging Printing Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-10-13
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a printing roller structure, including the version head, print cylinder for connect the one-way bearing of version head and print cylinder, be used for preventing the baffle of flying black, one-way bearing includes outer lane, inner circle, turriform spring, locates the roller between inner circle and the outer lane, turriform spring one end withstands the roller, the version head with the outer lane of one-way bearing is connected, the plate cylinder with the inner circle of one-way bearing is connected, works as when the version head has the anticlockwise rotation trend for the plate cylinder, one-way bearing locking, the printing work stops, works as when the version head rotates clockwise for the plate cylinder, printing work is normal, prevents the reverse rotation of print cylinder, does benefit to the dismantlement installation, and is applicable to not unidimensional print cylinder.

Description

Printing roller structure

Technical Field

The utility model relates to a printing technology field especially relates to a printing roller structure.

Background

In the printing process, the printing roller that has attached to printing ink usually is printed on the stock that is transported by the conveyer belt through rotating, and in the actual operation, can cause because of the pattern inversion on the stock because of the printing roller reversal, bring the inconvenience of follow-up technology, prior art's printing plate head all adopts telescopic structure simultaneously, will print the cylinder direct cover establish with have the inside bearing in the printing plate head, be unfavorable for dismantling the installation, and lead to inside bearing ink of easily advancing, cause the bearing to damage.

Disclosure of Invention

In order to solve the problem, the utility model provides a printing roller structure prevents that the printing cylinder from reversing, does benefit to the dismantlement installation, and is applicable to not unidimensional printing cylinder.

The utility model provides a technical scheme of problem provides a printing roller structure, including the version head, print cylinder for connect the one-way bearing of version head and print cylinder, be used for preventing the baffle of flying black, one-way bearing includes outer lane, inner circle, turriform spring, locates the roller between inner circle and the outer lane, turriform spring one end withstands the roller, the version head with the outer lane of one-way bearing is connected, the plate cylinder with the inner circle of one-way bearing is connected, works as when the version head has the anticlockwise rotation trend for the plate cylinder, one-way bearing locking, the printing work stops, works as when the version head rotates clockwise for the plate cylinder, the printing work is normal.

Preferably, the baffle is provided with a color target disc.

Preferably, the inner ring is provided with a telescopic sleeve, the telescopic sleeve comprises a telescopic ring attached to the inner ring, and the telescopic ring moves along the axial direction through a slide way assembly.

Preferably, the slide way assembly comprises a sliding groove arranged on the outer wall of the telescopic ring and a sliding rail arranged on the inner wall of the inner ring, and the sliding rail and the sliding groove are matched.

Preferably, the sliding groove is provided with a limiting piece for preventing the telescopic ring from separating from the one-way bearing.

Preferably, the stopper includes a barrier strip radially perpendicular to the sliding groove.

Preferably, the baffle is clamped on the outer ring of the one-way bearing and rotates along with the rotation of the outer ring.

Preferably, the number of the barrier strips is 1-2.

A printing roller structure, prevent the printing cylinder reversal through one-way bearing, avoid causing the phenomenon that the printing pattern was invertd, the printing cylinder is adapted to not unidimensional expansion ring or inner circle simultaneously to cooperate not unidimensional printing cylinder, one-way bearing is can dismantle with printing plate head, printing cylinder and be connected, easy to assemble and washing, the baffle that is equipped with can effectively prevent at the printing in-process, because printing cylinder rotates and the printing ink that splashes.

Drawings

FIG. 1 is a schematic view of a printing roll according to the present embodiment;

FIG. 2 is a cross-sectional view of the one-way bearing of the present embodiment;

FIG. 3 is a schematic structural diagram of the telescopic sleeve of the present embodiment;

FIG. 4 is a cross-sectional view of the telescoping member of the present embodiment;

in the figure: 1. a plate printing head; 2. a printing cylinder; 3. a one-way bearing; 4. a baffle plate; 31. an outer ring; 32. an inner ring; 33. a tower-shaped spring; 34. a roller; 5. a color label disc; 6. a telescoping kit; 7. a telescopic ring; 8. a chute assembly; 9. a chute; 10. a slide rail; 11. a limiting member; 12. and (6) blocking strips.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, a printing roller structure comprises a plate head 1, a printing cylinder 2, a one-way bearing 3 for connecting the plate head 1 and the printing cylinder 2, and a baffle 4 for preventing ink flying, as shown in fig. 2, the one-way bearing 3 comprises an outer ring 31, an inner ring 32, a tower-shaped spring 33, and a roller 34 arranged between the inner ring 32 and the outer ring 31, one end of the tower-shaped spring 33 is against the roller 34, the end of the plate head 1 is connected with the outer ring 31 of the one-way bearing 3, the end of the printing cylinder is connected with the inner ring 32 of the one-way bearing 3 in a manner of being caught between the inner ring 32 and the end of the printing cylinder through an anti-slip function, or through a threaded connection, and so on, when the plate head 1 has a counterclockwise rotation tendency relative to the printing cylinder, the one-way bearing 3 is locked, the printing operation is stopped, as shown in fig. 3, at this time, the roller 34 is wedged at the small end under the action of the outer, and then wedged between the inner ring 32 and the outer ring 31, so that the one-way bearing 3 is locked, when observing that the plate printing head 1 stops rotating, a worker can immediately know that the printing roller 2 is reversed, and the printing stock is prevented from being printed with an inverted pattern; when the plate printing head 1 rotates clockwise relative to the plate printing cylinder, the printing work is normal, the roller 34 moves towards the large end in the open slot with the cam profile and compresses the tower-shaped spring 33, at the moment, the one-way bearing 3 cannot be locked, the outer ring 31 is allowed to rotate, the plate printing cylinder and the plate printing head 1 in the scheme are connected with the bearing through respective end parts, and the plate printing head are connected in a non-sleeve mode, so that the disassembly is facilitated, and the maintenance of the bearing and the cleaning of the shaft head are facilitated.

The baffle 4 is provided with the colored standard plate 5, thereby improving the overprinting precision during production and improving the product quality.

As shown in fig. 4, since the inner diameters of the printing cylinders 2 may be different, the inner ring 32 is provided with a telescopic sleeve 6, the telescopic sleeve 6 includes a telescopic ring 7 attached to the inner ring 32, the telescopic ring 7 moves in the axial direction through the slideway assembly 8, and the number of the telescopic rings 7 may be 1 or multiple.

The slideway component 8 comprises a chute 9 arranged on the outer wall of the telescopic ring 7 and a slide rail 10 arranged on the inner wall of the inner ring 32, the slide rail 10 and the chute 9 are adapted, when the telescopic ring 7 is required to be connected with the end part of the printing plate cylinder, the end part of the printing plate cylinder is sleeved in the telescopic ring 7, when the telescopic ring 7 is not required to be used and the inner ring 32 is required to be connected with the end part of the printing plate cylinder, the telescopic ring 7 is pushed along the shaft head direction, and the end part of the printing plate cylinder is sleeved on the inner wall of the inner ring.

The sliding groove 9 is provided with a limiting piece 11 for preventing the telescopic ring 7 from separating from the one-way bearing 3, and the limiting piece 11 is located at the end of the sliding groove 9.

The limiting part 11 comprises a barrier strip 12 which is perpendicular to the sliding groove 9 in the radial direction, and is simple in structure, economical and convenient.

The baffle 4 card is located 3 outer lane 31 of one-way bearing, along with outer lane 31 rotates and rotates, in this embodiment, can locate 4 outer lanes 31 of one-way bearing with the viscose agent as the bonding card with baffle 4, on the one hand can the omnidirectional prevent because the printing plate cylinder rotates the printing ink that splashes, on the other hand, the color marking dish 5 sets up on baffle 4, can observe the overprinting precision at any time, and need not go to observe the effect of stock, has avoided the waste to stock and printing ink, has improved overprinting precision and product quality.

The number of the barrier strips 12 is 1-2, namely the telescopic ring 7 can move towards the direction of the plate printing head 1 and can also move towards the direction of the plate printing cylinder so as to adapt to the printing cylinders 2 with different lengths and different diameters.

The specific embodiments described herein are merely illustrative of the spirit of the invention.

Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The printing roller structure is characterized by comprising a printing plate head (1), a printing roller (2), a one-way bearing (3) used for connecting the printing plate head (1) and the printing roller (2), a baffle (4) used for preventing ink from flying, wherein the one-way bearing (3) comprises an outer ring (31), an inner ring (32), a tower-shaped spring (33) and a roller (34) arranged between the inner ring (32) and the outer ring (31), one end of the tower-shaped spring (33) props against the roller (34), the end part of the printing plate head (1) is connected with the outer ring (31) of the one-way bearing (3), the end part of the printing roller is connected with the inner ring (32) of the one-way bearing (3), when the printing plate head (1) has a counterclockwise rotation trend relative to the printing roller, the one-way bearing (3) is locked, the printing work is stopped, and when the printing plate head (1) rotates clockwise relative to the printing roller, the printing work is normal.

2. A printing roller structure according to claim 1, characterized in that the baffle (4) is provided with a color marking disc (5).

3. A printing roller structure according to claim 1, characterized in that the inner ring (32) is provided with a telescopic sleeve (6), the telescopic sleeve (6) comprises a telescopic ring (7) attached to the inner ring (32), and the telescopic ring (7) is moved in the axial direction by a slide assembly (8).

4. A printing roller structure according to claim 3, wherein the slideway assembly (8) comprises a sliding groove (9) arranged on the outer wall of the telescopic ring (7) and a sliding rail (10) arranged on the inner wall of the inner ring (32), and the sliding rail (10) and the sliding groove (9) are adapted.

5. A printing roller structure according to claim 4, characterized in that the chute (9) is provided with a stop (11) for preventing the slip ring (7) from disengaging the one-way bearing (3).

6. A printing roller structure according to claim 5, characterized in that said limit stop (11) comprises a bar (12) radially perpendicular to said chute (9).

7. A printing roller structure according to claim 2, wherein the baffle (4) is clamped to the outer ring (31) of the one-way bearing (3) and rotates with the rotation of the outer ring (31).

8. A printing roller arrangement according to claim 6, characterized in that the number of bars (12) is 1 or more.