CN114905838A

CN114905838A - Combined printing roller

Info

Publication number: CN114905838A
Application number: CN202210747110.9A
Authority: CN
Inventors: 陶智渊
Original assignee: Xuanyu Ningbo Photoelectric Technology Co ltd
Current assignee: Xuanyu Ningbo Photoelectric Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-08-16

Abstract

The invention discloses a combined printing roller which comprises a steel drum, end covers and a rotating shaft, wherein internal threads are arranged on the inner walls of two ends of the steel drum, the end covers are arranged at two ends of the steel drum, the rotating shaft is arranged on the outer side surface of the end covers, a through hole is formed in the rotating shaft, a rolling shaft is arranged in the through hole, one end of the rolling shaft extends into the end covers and is connected with a rotary table, spiral protrusions are arranged on the rotary table, the cover plate is connected with one end, extending into the steel drum, of the end covers, a plurality of sliding grooves are formed in the cover plate, sliding blocks are arranged in the sliding grooves, grooves matched with the protrusions are formed in the bottoms of the sliding blocks, and external threads matched with the internal threads are formed in one side, close to the outer side of the rotary table, of the sliding blocks.

Description

Combined printing roller

Technical Field

The invention relates to a combined plate roller.

Background

A printing roller is used in the concave printing, the general printing roller comprises a middle cylinder and rotating shafts fixed on two end faces of the cylinder, the cylinder is generally made of steel, a copper coating is electroplated on the outer ring of the cylinder, and patterns formed by grooves are arranged on the copper coating.

When the printing roller is used, one end of the printing roller is immersed into the pigment, the printing roller drives the pigment to wrap the outer side of the cylinder when rotating, then the scraper on one side scrapes off the pigment on the outer surface of the cylinder, only the pigment in the groove is left, and the pigment can be printed on a product.

Due to the existence of the scraper, the copper coating of the outer ring of the cylinder can improve the wear of underwear. If the plate roller is an integrated plate roller, the plate roller can only be integrally replaced after being worn, so that the cost is too high. Therefore, printing rollers on the market are all combined, a middle cylinder is specially made of a steel barrel, the outer ring of the steel barrel is electroplated with a copper coating, end covers are arranged at two ends of the steel barrel, and a rotating shaft is fixed on the end covers.

If the outer ring of the steel drum is worn, the end cover and the rotating shaft are only required to be taken down and then replaced with a new steel drum.

In order to connect the steel drum and the end cover, the original scheme is that inner threads are arranged on the inner walls of two ends of the steel drum, then outer threads are arranged on the end cover, and the steel drum is fixed by the connection of the inner threads and the outer threads. This solution, which requires the end cap to be turned several times during the mounting and dismounting of the end cap, is cumbersome and therefore needs to be improved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the combined type printing roller, which greatly facilitates the disassembly and the assembly of the printing roller.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a modular version roller, includes steel drum, end cover and pivot, be provided with the internal thread on the both ends inner wall of steel drum, the end cover sets up the both ends of steel drum, the pivot sets up on the lateral surface of end cover, be provided with the through-hole in the pivot, be provided with the roller bearing in the through-hole, roller bearing one end stretches into link to each other with a carousel in the end cover, the arch that has the screw-tupe on the carousel still includes an apron, the apron with the end cover stretches into the one end of steel drum links to each other, be provided with a plurality of spouts on the apron, be provided with the slider in the spout, the slider bottom be provided with protruding matched with groove, the slider lean on to one side that the carousel leaned on outward set up with internal thread matched with external screw thread. When the end cover needs to be installed, the end cover is inserted into the steel drum, then the rolling shaft is screwed, the rolling shaft drives the rotary table to rotate, when the rotary table rotates, the spiral protrusions on the rotary table drive the sliding block to synchronously move outwards, the external threads on the sliding block are embedded into the internal threads to form connection, and therefore the steel drum can be installed on the end cover. When the steel drum needs to be disassembled, the rotary disc is rotated reversely, and the rotary disc drives the sliding block to move synchronously close to the center of the rotary disc, so that the steel drum can be taken down. The disassembly and assembly mode is not required to rotate the end cover, and the disassembly and the assembly are greatly convenient.

In the above scheme, preferably, there are three sliding grooves, and the three sliding grooves are uniformly distributed around the axis of the turntable.

In the above aspect, preferably, the cover plate and the end cover are fixed together by bolts.

In the above scheme, preferably, the cover plate is matched with the inner wall of the steel barrel. The cooperation of apron and steel drum inner wall can let pivot and steel drum coaxial, when the synchronous outside motion of follow-up slider of being convenient for, contacts with the internal thread on the inner wall simultaneously.

In the above scheme, preferably, the end portion of one side of the roller close to the outside is provided with a square hole.

The invention has the beneficial effects that: when the end cover needs to be installed, the end cover is inserted into the steel drum, the rolling shaft is screwed, the rolling shaft drives the rotary table to rotate, when the rotary table rotates, the spiral protrusions on the rotary table drive the sliding blocks to synchronously move outwards, the external threads on the sliding blocks are embedded into the internal threads to form connection, and therefore the steel drum can be installed on the end cover. When the steel drum needs to be disassembled, the rotary disc is rotated reversely, and the rotary disc drives the sliding block to move synchronously close to the center of the rotary disc, so that the steel drum can be taken down. The disassembly and assembly mode is not required to rotate the end cover, and the disassembly and the assembly are greatly convenient.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is a schematic view of one end of the present invention.

Fig. 3 is a schematic view of a cover plate.

Fig. 4 is a schematic view of a turntable.

Detailed Description

The invention is described in further detail below with reference to the following figures and detailed description:

the upper, lower, left, right, front, and back surfaces in this embodiment are all oriented as shown in fig. 1.

Referring to fig. 1-4, a combination plate roller comprises a steel drum 1, an end cover 2 and a rotating shaft 3.

Be provided with internal thread 11 on the both ends inner wall of steel drum 1, end cover 2 sets up the both ends of steel drum 1, pivot 3 sets up on the lateral surface of end cover 2, be provided with through-hole 31 on the pivot 3, be provided with roller bearing 4 in the through-hole 31, roller bearing 4 one end stretches into link to each other with a carousel 5 in the end cover 2, the arch 51 of screw-tupe has on the carousel 5. The end part of one side of the roller 4 close to the outside is provided with a square hole 41.

The steel barrel is characterized by further comprising a cover plate 6, and the cover plate 6 is matched with the inner wall of the steel barrel 1. The cover plate 6 is connected with one end, extending into the steel barrel 1, of the end cover 2, and the cover plate 6 and the end cover 2 are fixed together through bolts 21. The cover plate 6 is provided with three sliding grooves 61, and the three sliding grooves 61 are uniformly distributed around the axis of the rotating disc 5. The slide groove has guide grooves 62 on both side surfaces.

A sliding block 7 is arranged in the sliding groove 61, a groove 73 matched with the protrusion 51 is formed in the bottom of the sliding block 7, and an external thread 71 matched with the internal thread 11 is arranged on one side, close to the outer side of the rotary disc 5, of the sliding block 7. The side surface of the sliding block 7 is provided with a guide block 72, and the guide block 72 is inserted into the guide groove 62.

When the installation is needed, the end cover is inserted into the steel drum, the rotating shaft and the steel drum can be coaxial due to the matching of the cover plate and the inner wall of the steel drum, and the rotating shaft is in contact with the internal thread on the inner wall when the follow-up sliding block synchronously moves outwards. Then the rolling shaft is screwed, the rolling shaft drives the turntable to rotate, when the turntable rotates, the spiral protrusion on the turntable drives the sliding block to synchronously move outwards, the external thread on the sliding block is embedded into the internal thread to form connection, and thus the steel barrel can be installed on the end cover. When the steel drum needs to be disassembled, the rotary disc is rotated reversely, and the rotary disc drives the sliding block to move synchronously close to the center of the rotary disc, so that the steel drum can be taken down. The disassembly and assembly mode is not required to rotate the end cover, and the disassembly and the assembly are greatly convenient.

Claims

1. The utility model provides a modular version roller, includes steel drum, end cover and pivot, be provided with the internal thread on the both ends inner wall of steel drum, the end cover sets up the both ends of steel drum, the pivot sets up on the lateral surface of end cover, its characterized in that: the steel drum is characterized in that a through hole is formed in the rotating shaft, a rolling shaft is arranged in the through hole, one end of the rolling shaft stretches into the end cover and is connected with a rotary table, a spiral protrusion is arranged on the rotary table, the steel drum further comprises an cover plate, the cover plate and the end cover stretch into the end of the steel drum and are connected, a plurality of sliding grooves are formed in the cover plate, sliding blocks are arranged in the sliding grooves, grooves matched with the protrusions are formed in the bottoms of the sliding blocks, and external threads matched with the internal threads are formed in one side, close to the outer side, of the rotary table.

2. The modular printing roll according to claim 1, characterized in that: the sliding grooves are three and are uniformly distributed around the axis of the rotary table.

3. The modular printing roll according to claim 1, characterized in that: the cover plate and the end cover are fixed together through bolts.

4. The modular printing roll according to claim 1, characterized in that: the cover plate is matched with the inner wall of the steel drum.

5. The modular printing roll according to claim 1, characterized in that: the end part of one side of the roller close to the outside is provided with a square hole.