CN217968843U

CN217968843U - Printing pressure adjusting device of flexographic printing machine

Info

Publication number: CN217968843U
Application number: CN202221699434.1U
Authority: CN
Inventors: 陈卓; 黄书林; 张廷元
Original assignee: Tianjin Xiangjiang Printing Co ltd
Current assignee: Tianjin Xiangjiang Printing Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-12-06
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a printing pressure adjusting device of a flexographic printing machine, which comprises two vertical upward and parallel supporting plates, wherein a printing roller is arranged on the same side of the two supporting plates through a mounting plate, and a driving motor for driving the printing roller to rotate is arranged on the mounting plate; the two supporting plates are provided with conveying rollers which are arranged on the same side as the printing rollers, the supporting plates are provided with adjusting mechanisms for adjusting the conveying rollers, each adjusting mechanism comprises a vertical plate arranged on the corresponding supporting plate, the end parts of the vertical plates are provided with arc-shaped guide plates, and arc-shaped holes for mounting the conveying rollers are formed in the guide plates; the utility model can adjust the distance between the transport roller and the printing roller, can finely adjust the transport roller, realizes the adjustment of the pressure between the transport roller and the printing roller, and improves the practicability; the pressure between the conveying roller and the printing roller is convenient to adjust, the printing roller has the advantages of being simple in structure and convenient to operate, and the condition that the printing quality of a product is removed after the conveying roller is inclined and influenced due to adjustment of the two sides is avoided.

Description

Printing pressure adjusting device of flexographic printing machine

Technical Field

The utility model relates to a flexo printing machine prints relevant technical field, specifically is a flexo printing machine printing pressure adjusting device.

Background

The flexographic printing machine uses fluid ink with strong fluidity, the ink is transferred to the image-text part of the printing plate by an ink fountain rubber roll and an anilox ink-transfer roller and is inked, then printing pressure is applied by a pressure roller, the ink on the printing plate is transferred to a printing stock, and finally, the printing process is finished through a drying surface. The printing part is the core of the flexographic printing machine, and the arrangement mode of the printing part directly influences the operation performance, the quality of printed products, the printing speed and the application range of printing. Flexographic printing machines can be classified into three types, i.e., a stack type, a satellite type, and a unit type, according to the arrangement of printing sections. The flexographic printing machine has the characteristics of attracting users except for technical breakthroughs in plates and printing ink due to the development of the uniform speed. The machine has simple structure, thereby being convenient to operate and maintain; the adaptability of the cause material is strong, and satisfactory printing effect can be obtained from a plastic film with the thickness of 0.22mm to a corrugated board with the thickness of 10 mm; the stamping force is small and is about 19.6-39.2N/square centimeter; the printing cost is low mainly because of the low price of the machine, the low plate making cost and the low broke rate in the printing process.

Flexographic printing machine is at the in-process of printing, need adjust the pressure of printing according to the material of printing, and the pressure adjustment mode majority of current flexographic printing machine adopts the mode of twisting the screw rod to adjust, and both sides all need adjust, and the operation is comparatively loaded down with trivial details, and causes the adjustment of both sides asynchronous and cause the phenomenon of transportation roller slope easily, influences the printing quality of later stage to the product, therefore we make the improvement to this, provide a flexographic printing machine printing pressure adjusting device.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model provides a flexographic printing machine printing pressure adjusting device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a printing pressure adjusting device of a flexographic printing machine, which comprises two vertical upward and parallel supporting plates, wherein a printing roller is arranged on the same side of the two supporting plates through a mounting plate, and a driving motor for driving the printing roller to rotate is arranged on the mounting plate; two be equipped with in the backup pad with the transportation roller of printing roller with one side, be equipped with the guiding mechanism who is used for adjusting the transportation roller in the backup pad, guiding mechanism is including establishing the vertical plate in the backup pad, and the tip of vertical plate is equipped with curved deflector, offers the arc hole that is used for installing the transportation roller on the deflector, and when adjusting the transportation roller, the tip of transportation roller moves along the arc hole.

As a preferred technical scheme of the utility model, be equipped with the actuating mechanism who is used for driving the transportation roller motion in the backup pad, actuating mechanism is equipped with the connecting plate through the pivot including establishing the movable block at transportation roller both ends tip on the movable block, keeps away from the one end of movable block on the connecting plate and is equipped with the catch bar through rotating, installs the hydraulic stem of drive catch bar motion between two backup pads.

As a preferred technical scheme of the utility model, the one end of keeping away from the movable block on the connecting plate is equipped with the movable block, and the movable block is articulated through the pivot with the tip of catch bar.

As a preferred technical scheme of the utility model, set up on the vertical plate the level and with movable block assorted activity hole, during the activity of movable block, the movable block moves along the activity hole.

As a preferred technical scheme of the utility model, two be equipped with two fixed plates that are used for installing the hydraulic stem between the backup pad, the middle part at the fixed plate is established to the hydraulic stem.

As an optimized technical scheme of the utility model, the one end that is close to the fixed plate on the catch bar is equipped with the strengthening rib.

The beneficial effects of the utility model are that:

1. this kind of flexographic printing machine printing pressure adjusting device, when the distance between adjustment transportation roller and the printing roller, be equipped with the guiding mechanism who is used for adjusting the transportation roller in the backup pad, guiding mechanism is including establishing the vertical plate in the backup pad, the arc hole of seting up on the both ends tip along the deflector of letting the transportation roller moves, all move the topmost in arc hole up to the both ends tip of transportation roller, just can adjust the distance between transportation roller and the printing roller, can finely tune the transportation roller, realize the pressure between adjustment transportation roller and the printing roller, the practicality has been improved.

2. This kind of flexographic printing machine printing pressure adjusting device, be equipped with the actuating mechanism who is used for driving the transportation roller motion through the backup pad, actuating mechanism is including establishing the movable block at transportation roller both ends tip, when the pressure between adjustment transportation roller and printing roller, the output shaft of hydraulic stem promotes the catch bar and moves, the catch bar promotes the movable block and moves along the movable hole of seting up on the vertical plate, the movable block promotes the connecting plate and moves, the connecting plate is because be connected through the pivot with the movable block when moving, make the connecting plate rotate, the connecting plate promotes the movable block and moves along the direction in arc hole, make the movable block promote the transportation roller and move along the direction in arc hole, be convenient for adjust the pressure between transportation roller and the printing roller, have simple structure and the characteristics of being convenient for operation, the condition of going product printing quality after having avoided both sides adjustment to cause transportation roller slope to influence.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a printing pressure adjusting device of a flexographic printing machine according to the present invention;

FIG. 2 is a schematic view of a partially enlarged structure of a printing pressure adjusting device of a flexographic printing machine according to the present invention;

fig. 3 is a top view of the connection structure of the hydraulic rod and the push rod of the printing pressure adjusting device of the flexographic printing machine of the present invention.

In the figure: 1. a support plate; 2. mounting a plate; 3. a printing roller; 4. a drive motor; 5. a transport roller; 6. an adjustment mechanism; 7. a vertical plate; 8. a guide plate; 9. an arc-shaped hole; 10. a drive mechanism; 11. a moving block; 12. a connecting plate; 13. a push rod; 14. a hydraulic rod; 15. a movable block; 16. a movable hole; 17. a fixing plate; 18. and (5) reinforcing ribs.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2 and fig. 3, the printing pressure adjusting device of the flexographic printing machine of the present invention comprises two vertically upward and parallel supporting plates 1, a printing roller 3 is installed on the same side of the two supporting plates 1 through a mounting plate 2, and a driving motor 4 for driving the printing roller 3 to rotate is installed on the mounting plate 2; two be equipped with in the backup pad 1 with the transportation roller 5 of printing roller 3 with one side, be equipped with the guiding mechanism 6 that is used for adjusting transportation roller 5 in the backup pad 1, guiding mechanism 6 is including establishing the vertical plate 7 in backup pad 1, the tip of vertical plate 7 is equipped with curved deflector 8, set up the arc hole 9 that is used for installing transportation roller 5 on the deflector 8, when adjusting transportation roller 5, the tip of transportation roller 5 moves along arc hole 9, the centre of a circle of arc hole 9 does not coincide with the centre of a circle of printing roller 3, and on same water flat line, the centre of a circle of printing roller 3 is on the radius line of arc hole 9, let the both ends tip of transportation roller 5 move along the arc hole 9 of seting up on the deflector 8, all move the top of arc hole 9 up to the both ends tip of transportation roller 5, just can adjust the distance between transportation roller 5 and the printing roller 3, can finely tune transportation roller 5, realize adjusting the pressure between transportation roller 5 and the printing roller 3, and improved the practicality.

Wherein, the supporting plates 1 are provided with a driving mechanism 10 for driving the transportation roller 5 to move, the driving mechanism 10 comprises moving blocks 11 arranged at the end parts of the two ends of the transportation roller 5, the moving blocks 11 are provided with connecting plates 12 through rotating shafts, one ends of the connecting plates 12 far away from the moving blocks 11 are provided with push rods 13 through rotating, hydraulic rods 14 for driving the push rods 13 to move are arranged between the two supporting plates 1, one ends of the connecting plates 12 far away from the moving blocks 11 are provided with movable blocks 15, the movable blocks 15 are hinged with the end parts of the push rods 13 through rotating shafts, the vertical plate 7 is provided with horizontal movable holes 16 matched with the movable blocks 15, when the movable blocks 15 move, the movable blocks 15 move along the movable holes 16, and two fixing plates 17 for mounting the hydraulic rods 14 are arranged between the two supporting plates 1, hydraulic stem 14 is established in the middle part of fixed plate 17, when the pressure between adjustment conveying roller 5 and printing roller 3, the output shaft of hydraulic stem 14 promotes catch bar 13 and moves, catch bar 13 promotes movable block 15 and moves along the activity hole 16 of seting up on the vertical plate 7, movable block 15 promotes connecting plate 12 and moves, connecting plate 12 is owing to be connected through the pivot with movable block 11 in the motion, make connecting plate 12 rotate, connecting plate 12 promotes movable block 11 and moves along the direction of arc hole 9, make movable block 11 promote conveying roller 5 and move along the direction of arc hole 9, be convenient for adjust the pressure between conveying roller 5 and the printing roller 3, have simple structure and the characteristics of being convenient for operate, the condition of going product printing quality after having avoided both sides adjustment to cause conveying roller 5 to incline to influence.

One end of the push rod 13, which is close to the fixing plate 17, is provided with a reinforcing rib 18, so that the strength of the push rod 13 is improved, and the movement service life of the push rod 13 is longer.

During operation, this kind of flexographic printing machine printing pressure adjusting device, when adjusting the distance between transport roller 5 and the printing roller 3, be equipped with guiding mechanism 6 that is used for adjusting transport roller 5 through backup pad 1, guiding mechanism 6 is including establishing vertical plate 7 in backup pad 1, let the arc hole 9 of seting up on the both ends tip of transport roller 5 along the deflector 8 move, the top of arc hole 9 is all moved to the both ends tip of transport roller 5, just can adjust the distance between transport roller 5 and the printing roller 3, can finely tune transport roller 5, realize adjusting the pressure between transport roller 5 and the printing roller 3, and the practicality is improved.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The printing pressure adjusting device of the flexographic printing machine is characterized by comprising two supporting plates (1) which are vertically upward and parallel, wherein a printing roller (3) is installed on the same side of the two supporting plates (1) through an installing plate (2), and a driving motor (4) for driving the printing roller (3) to rotate is installed on the installing plate (2); two be equipped with on backup pad (1) with transport roller (5) of printing roller (3) with one side, be equipped with guiding mechanism (6) that are used for adjusting transport roller (5) on backup pad (1), guiding mechanism (6) are including establishing vertical plate (7) on backup pad (1), the tip of vertical plate (7) is equipped with curved deflector (8), offer arc hole (9) that are used for installing transport roller (5) on deflector (8), when adjusting transport roller (5), the tip of transport roller (5) moves along arc hole (9).

2. The printing pressure adjusting device of the flexographic printing machine according to claim 1, characterized in that a driving mechanism (10) for driving the transportation roller (5) to move is arranged on the supporting plate (1), the driving mechanism (10) comprises a moving block (11) arranged at the end parts of the two ends of the transportation roller (5), a connecting plate (12) is arranged on the moving block (11) through a rotating shaft, a push rod (13) is arranged on one end, far away from the moving block (11), of the connecting plate (12) through rotation, and a hydraulic rod (14) for driving the push rod (13) to move is arranged between the two supporting plates (1).

3. The printing pressure adjusting device of the flexographic printing machine according to claim 2, characterized in that a movable block (15) is arranged at one end of the connecting plate (12) far away from the movable block (11), and the movable block (15) is hinged with the end of the push rod (13) through a rotating shaft.

4. The printing pressure adjusting device of the flexographic printing machine according to claim 3, characterized in that the vertical plate (7) is provided with a horizontal moving hole (16) matched with the moving block (15), and when the moving block (15) moves, the moving block (15) moves along the moving hole (16).

5. Printing pressure adjusting device of a flexographic printing machine according to claim 4, characterized in that two fixing plates (17) for mounting hydraulic rods (14) are arranged between the two support plates (1), and the hydraulic rods (14) are arranged in the middle of the fixing plates (17).

6. Printing pressure adjustment device according to claim 5, characterized in that the pushing rod (13) is provided with a reinforcement rib (18) at its end close to the fixing plate (17).