CN218084648U

CN218084648U - Printing roller is with flexible printing plate fixed establishment

Info

Publication number: CN218084648U
Application number: CN202222108728.9U
Authority: CN
Inventors: 杨毫; 陈艳
Original assignee: Zhejiang Guangchuan Machinery Co ltd
Current assignee: Zhejiang Guangchuan Machinery Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-12-20
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses a version roller is with flexographic printing plate fixed establishment relates to version roller field, including the connecting axle, change the roller, the flexographic printing plate reduces the mechanism. The utility model discloses a set up and reduce the mechanism, through removing the flexographic printing plate before carrying out the printing operation make the inside a set of connecting hole of flexographic printing plate cup joint the outer wall at the spliced pole at a connecting strip top, then make the flexographic printing plate encircle and change the roller round, cup joint another group's connecting hole at the outer wall of another group's connecting strip, then drive the worm wheel through rotating the worm and make the spliced pole remove to the centre, two sets of spliced poles remove and drive two sets of connecting holes and remove in the phase, two sets of connecting holes remove and drive the flexographic printing plate and stretch and make the flexographic printing plate get into tight state, thereby the both ends of having avoided the blanket and the diagonal angle department of being connected between the change roller can produce the pattern deformation that the clearance leads to its surface, the qualification rate that the influence printing came out.

Description

Printing roller is with flexible printing plate fixed establishment

Technical Field

The utility model relates to a version roller field specifically is a version roller is with flexible printing plate fixed establishment.

Background

The plate roller is also called a steel roller, is divided into a hollow roller and a solid roller, is provided with an axial roller and a non-axial roller, is generally used for plate making, is plated with copper on the surface of a roller, is carved with a pattern by an electronic gravure engraving machine, is plated with a layer of chromium, is delivered to a printing factory after being made, is commonly used for printing of plastic packages, has the advantages of clear pattern, small color register error and the like, and is widely applied.

At present, different rubber blankets are sleeved on the outer wall of a rotating roller, so that printing operation of different patterns on the surface of a workpiece is realized, the rotating roller is required to be driven to rotate to be in contact with a pressing roller which is provided with the workpiece to be processed when the rubber blankets are sleeved on the outer wall of the rotating roller, so that ink is printed on the surface of the workpiece to be processed, in order to improve the adhering amount and the pattern forming effect of the ink, the rotating roller is required to be pressurized to enable the rotating roller and the pressing roller to fully contact the workpiece to be processed and the rubber blankets, however, gaps are generated at opposite corners connected between two ends of the rubber blankets and the rotating roller in the process, the patterns on the surface of the rubber blankets are deformed, the printing qualification rate is influenced, and the flexible printing plate fixing mechanism for the printing roller is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the rubber cloth cannot be completely attached to the compression roller, the flexible printing plate fixing mechanism for the printing roller is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a flexible printing plate fixing mechanism for a printing roller comprises a connecting shaft and a rotating roller arranged on the outer wall of the connecting shaft, wherein a flexible printing plate is arranged on the outer wall of the rotating roller, and tightening mechanisms are arranged inside and outside the rotating roller;

tightening mechanism is including the symmetry setting the inside connecting strip of commentaries on classics roller, two the equal fixedly connected with transmission piece of outer wall of connecting strip, the outer wall of commentaries on classics roller one side symmetry fixedly connected with installation piece, two the inside of installation piece is rotated and is connected with and extends to one the two-way threaded rod of installation piece outer wall one end, the outer wall one side fixedly connected with worm wheel of two-way threaded rod, the outer wall one end of commentaries on classics roller rotate be connected with worm wheel intermeshing's worm, the outer wall both ends of connecting strip be provided with change roller fixed connection's connecting block.

As a further aspect of the present invention: the flexible printing plate is characterized in that a plurality of connecting holes are symmetrically formed in the flexible printing plate, and connecting columns matched with the connecting holes are arranged at the tops of the connecting strips.

As a further aspect of the present invention: the inside of installation piece is provided with the bearing housing, two-way threaded rod pass through the bearing housing with the installation piece is rotated and is connected.

As a further aspect of the present invention: the outer wall of the bidirectional threaded rod is symmetrically provided with two groups of thread structures with opposite structures.

As a further aspect of the present invention: two the inside of transmission piece is provided with respectively with two helicitic texture assorted internal thread, two the transmission piece all passes through the internal thread with the two-way threaded rod cup joints each other.

As a further aspect of the present invention: the outer wall one end fixedly connected with two fixed blocks of commentaries on classics roller, two the inside setting of fixed block also is provided with the bearing housing, the worm passes through the bearing housing rotates with two fixed blocks and is connected.

As the utility model discloses further scheme again: the inside of changeing the roller is provided with the mounting groove that extends to the outer wall, connecting strip and connecting block all set up the inside of mounting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up tightening mechanism, make the inside a set of connecting hole of flexographic printing plate cup joint the outer wall at the spliced pole at a connecting strip top through removing the flexographic printing plate before carrying out the printing operation, then make the flexographic printing plate encircle and change the roller round, cup joint another set of connecting hole at the outer wall of another set of connecting strip, then drive the worm wheel through rotating the worm and make the spliced pole remove to the centre, two sets of spliced poles remove and drive two sets of connecting holes and remove in the phase, two sets of connecting holes remove and drive the flexographic printing plate and stretch and make the flexographic printing plate get into tight state, thereby the both ends of having avoided the blanket and the diagonal angle department of changeing being connected between the roller can produce the pattern deformation that the clearance leads to its surface, influence the qualification rate that the printing came out.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is an exploded view of the tightening mechanism of the present invention.

In the figure: 1. a connecting shaft; 2. rotating the roller; 3. a tightening mechanism; 301. a connecting strip; 302. connecting blocks; 303. mounting blocks; 304. a transmission block; 305. a bidirectional threaded rod; 306. a worm gear; 307. a worm; 4. a flexible printed board.

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 to 4, in an embodiment of the present invention, a flexible printing plate fixing mechanism for a printing roller includes a connecting shaft 1 and a rotating roller 2 disposed on an outer wall of the connecting shaft 1, the outer wall of the rotating roller 2 is provided with a flexible printing plate 4, and a tightening mechanism 3 is disposed inside and outside the rotating roller 2;

tightening mechanism 3 is including the symmetry setting at the inside connecting strip 301 of commentaries on classics roller 2, the equal fixedly connected with transmission piece 304 of outer wall of two connecting strips 301, the outer wall one side symmetry fixedly connected with installation piece 303 of commentaries on classics roller 2, the inside of two installation pieces 303 is rotated and is connected with the two-way threaded rod 305 that extends to an installation piece 303 outer wall one end, the outer wall one side fixedly connected with worm wheel 306 of two-way threaded rod 305, the outer wall one end of commentaries on classics roller 2 is rotated and is connected with worm 307 with worm wheel 306 intermeshing, the outer wall both ends of connecting strip 301 are provided with and are changeed roller 2 fixed connection's connecting block 302, the inside bisymmetry of flexographic plate 4 is provided with a plurality of connecting holes, the top of connecting strip 301 is provided with the spliced pole with connecting hole assorted, the inside of installation piece 303 is provided with the bearing housing, two-way threaded rod 305 rotates with installation piece 303 through the bearing housing and is connected, the inside of commentaries on classics roller 2 is provided with the mounting groove that extends to the outer wall, connecting strip 301 and connecting block 302 all set up the inside in the mounting groove.

In this embodiment: before printing operation, a group of connecting holes inside the flexible printing plate 4 are sleeved on the outer wall of a connecting column at the top of one connecting strip 301 by moving the flexible printing plate 4, then the flexible printing plate 4 surrounds 2 circles of the rotating roller, another group of connecting holes are sleeved on the outer wall of another group of connecting strips 301, then a worm 307 is rotated to drive a worm wheel 306 to rotate, the worm wheel 306 rotates to drive a bidirectional threaded rod 305 to rotate, the bidirectional threaded rod 305 rotates to drive two transmission blocks 304 to move towards the middle, the two transmission blocks 304 move to drive the two connecting strips 301 to move, the two connecting strips 301 move to drive two groups of connecting columns to move towards the middle, the two groups of connecting columns move to drive two groups of connecting holes to move, the two groups of connecting holes move to drive the flexible printing plate 4 to be in a tight state, and therefore, the phenomenon that gaps are generated at the diagonal positions of the connection between the two ends of the rubber blanket and the rotating roller to cause pattern deformation on the surface of the rubber blanket is avoided, the printing qualification rate of the printing is influenced, and the qualification rate of the printing is influenced.

Referring to fig. 3-4, two sets of thread structures with opposite structures are symmetrically disposed on the outer wall of the bidirectional threaded rod 305, internal threads matched with the two thread structures are disposed inside the two transmission blocks 304, and the two transmission blocks 304 are sleeved with the bidirectional threaded rod 305 through the internal threads.

In this embodiment: the inside of a connecting block 302 is provided with and drives block 304 assorted rectangle spout, can realize through this structure setting that it is close to each other to drive two transmission blocks 304 through two internal threads when rotating bidirectional threaded rod 305, realizes the tensile operation to flexographic printing plate 4, makes flexographic printing plate 4 get into the state of tightening, and the machined part is treated to flexographic printing plate 4 of being convenient for prints.

Referring to fig. 1-4, two fixing blocks are fixedly connected to one end of the outer wall of the rotating roller 2, a bearing sleeve is also arranged inside the two fixing blocks, and the worm 307 is rotatably connected with the two fixing blocks through the bearing sleeve.

In this embodiment: the arrangement of the rotary connection between the worm 307 and the roller 2 can be accomplished by this structural arrangement.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A flexible printing plate fixing mechanism for a printing roller comprises a connecting shaft (1), a rotating roller (2) and a flexible printing plate (4), and is characterized in that a tightening mechanism (3) is arranged inside and outside the rotating roller (2);

tightening mechanism (3) sets up including the symmetry change inside connecting strip (301) of roller (2), two the equal fixedly connected with transmission piece (304) of outer wall of connecting strip (301), change outer wall one side symmetry fixedly connected with installation piece (303) of roller (2), two the inside rotation of installation piece (303) is connected with and extends to one two-way threaded rod (305) of installation piece (303) outer wall one end, outer wall one side fixedly connected with worm wheel (306) of two-way threaded rod (305), the outer wall one end of commentaries on classics roller (2) rotate be connected with worm (307) of worm wheel (306) intermeshing, the outer wall both ends of connecting strip (301) be provided with change roller (2) fixed connection's connecting block (302).

2. The flexible printing plate fixing mechanism for the printing roller according to claim 1, characterized in that a plurality of connecting holes are symmetrically formed in the flexible printing plate (4), and connecting columns matched with the connecting holes are formed on the tops of the connecting strips (301).

3. The flexographic printing plate fixing mechanism for a printing roller according to claim 1, characterized in that a bearing sleeve is provided inside the mounting block (303), and the bidirectional threaded rod (305) is rotatably connected to the mounting block (303) through the bearing sleeve.

4. The flexible printing plate fixing mechanism for printing roller according to claim 1, characterized in that the outer wall of the bidirectional threaded rod (305) is symmetrically provided with two sets of thread structures with opposite structures.

5. The flexible printing plate fixing mechanism for printing roller according to claim 4, characterized in that the two driving blocks (304) are internally provided with internal threads matched with the two thread structures respectively, and the two driving blocks (304) are sleeved with the bidirectional threaded rod (305) through the internal threads.

6. The flexible printing plate fixing mechanism for the printing roller according to claim 1, characterized in that two fixing blocks are fixedly connected to one end of the outer wall of the rotating roller (2), a bearing sleeve is also arranged inside the two fixing blocks, and the worm (307) is rotatably connected with the two fixing blocks through the bearing sleeve.

7. A flexographic printing plate fixing mechanism according to claim 1, characterized in that the interior of said rotating roller (2) is provided with a mounting groove extending to the outer wall, said connecting strip (301) and connecting block (302) being both arranged inside said mounting groove.