CN212124491U

CN212124491U - Transfer roller and printer

Info

Publication number: CN212124491U
Application number: CN202020549515.8U
Authority: CN
Inventors: 付鸿艺; 杨占国; 李勇
Original assignee: Dongri Technology Research Beijing Technology Co ltd
Current assignee: Dongri Technology Research Beijing Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-11
Anticipated expiration: 2030-04-14

Abstract

The utility model provides a transfer roller and a printing machine, wherein the transfer roller comprises a body, an end plate, a printing cloth, a first rotating shaft and a second rotating shaft; the body is cylindrical, grooves extending along the axial direction of the body are formed in the surface of the body, the number of the end plates is two, and the two end plates are fixedly connected to the two axial ends of the body respectively; the first rotating shaft and the second rotating shaft are both arranged in the groove, the axes of the first rotating shaft and the second rotating shaft are both parallel to the axis of the body, and the first rotating shaft and the second rotating shaft can be rotatably connected to the end plate; the seal cloth is coated on the surface of the body except the groove, and two ends of the seal cloth are respectively fixed on the first rotating shaft and the second rotating shaft, so that the first rotating shaft and the second rotating shaft can be used for tensioning the part of the seal cloth coated on the surface of the body except the groove through rotation. The utility model has the advantages of reasonable design, simple structure, can avoid the seal cloth to appear lax or drop, make the printing effect obtain guaranteeing.

Description

Transfer roller and printer

Technical Field

The utility model relates to a lithography apparatus technical field, in particular to transfer roll and printing machine.

Background

With the continuous progress of scientific technology and the continuous improvement of productivity level, the application of the printing machine in industrial production and people's life is more and more extensive.

In most of the conventional printing machines, a transfer roller is covered with a printing cloth, and a pattern or characters are printed on a printing material by the printing cloth.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transfer roller and printing machine of reasonable in design, simple structure can avoid the seal cloth to appear lax or drop, makes the printing effect obtain guaranteeing.

In order to achieve the above object, the utility model adopts the following technical scheme:

a transfer roller includes a body, an end plate, a printing cloth, a first rotating shaft and a second rotating shaft;

the body is cylindrical, grooves extending along the axial direction of the body are formed in the surface of the body, the number of the end plates is two, and the two end plates are fixedly connected to the two axial ends of the body respectively;

the first rotating shaft and the second rotating shaft are both arranged in the groove, the axes of the first rotating shaft and the second rotating shaft are parallel to the axis of the body, and the first rotating shaft and the second rotating shaft are both rotatably connected to the end plate;

the printing cloth is coated on the surface of the body except the groove, and two ends of the printing cloth are respectively fixed on the first rotating shaft and the second rotating shaft, so that the first rotating shaft and the second rotating shaft can tighten the part of the printing cloth coated on the surface of the body except the groove through rotation.

Preferably, a first clamping groove extending along the axial direction is formed in the first rotating shaft, a second clamping groove extending along the axial direction is formed in the second rotating shaft, and two ends of the printing cloth are clamped in the first clamping groove and the second clamping groove respectively.

Preferably, the device further comprises a first driving device;

the first driving device is connected with the first rotating shaft and used for driving the first rotating shaft to rotate.

Preferably, the worm gear mechanism further comprises a first worm gear and a first worm, the first worm gear is fixedly connected with the first rotating shaft, the first driving device is in transmission connection with the first worm, the first worm gear is meshed with the first worm, and the first driving device drives the first worm to rotate so as to drive the first rotating shaft to rotate through the first worm gear.

Preferably, the device further comprises a second driving device;

the second driving device is connected with the second rotating shaft and used for driving the second rotating shaft to rotate.

Preferably, the worm gear mechanism further comprises a second worm gear and a second worm, the second worm gear is fixedly connected with the second rotating shaft, the second driving device is in transmission connection with the second worm, the second worm gear is meshed with the second worm, and the second driving device drives the second worm to rotate so as to drive the second rotating shaft to rotate through the second worm gear.

A printing press comprising a transfer roller of any of the above technical features.

The utility model discloses a printing machine cylinder, through adopting the seal cloth cladding is in the body removes on the surface beyond the recess, and both ends are fixed respectively first rotation axis with on the second rotation axis, make first rotation axis with the second rotation axis can be through rotatory taut the seal cloth cladding is in the body removes the technical scheme of the part on the surface beyond the recess can avoid the seal cloth to appear lax or drop, makes the printing effect obtain guaranteeing.

Drawings

FIG. 1 is a schematic cross-sectional view of one embodiment of a transfer roller according to the present invention;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

fig. 3 is a left side view of fig. 1.

Wherein: 1. a body; 11. an end plate; 12. a groove; 2. a first rotating shaft; 21. a first card slot; 3. a second rotation shaft; 31. a second card slot; 4. a first driving device; 41. a first worm gear; 42. a second worm gear; 5. a second driving device; 51. a second worm gear; 52. a second worm.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following will explain the mobile working chair of the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 and 2, a transfer roller includes a body 1, an end plate 11, a printing cloth (not shown), a first rotating shaft 2, and a second rotating shaft 3. The body 1 is cylindrical, on the surface of body 1, is provided with along the recess 12 of body 1 axial extension, and the quantity of end plate 11 is two, and two end plate 11 are fixed connection respectively at the axial both ends of body 1, and recess 12 can be and form the opening on two terminal surfaces of body 1, and two end plate 11 can block these two openings this moment. The first rotating shaft 2 and the second rotating shaft 3 are both arranged in the groove 12, the axes of the first rotating shaft and the second rotating shaft are both parallel to the axis of the body 1, and the first rotating shaft 2 and the second rotating shaft 3 are both rotatably connected to the end plates 11 (either one end plate 11 or two end plates 11). The printing cloth is coated on the surface of the body 1 except the groove 12, and two ends of the printing cloth are respectively fixed on the first rotating shaft 2 and the second rotating shaft 3, so that the first rotating shaft 2 and the second rotating shaft 3 can be used for tensioning the part of the printing cloth coated on the surface of the body 1 except the groove 12 through rotation. Adopt such technical scheme, can make seal cloth tensioning through rotatory first rotation axis 2 and/or second rotation axis 3 at any time, avoid it to appear lax, simultaneously because the both ends of seal cloth fixed connection respectively are at first rotation axis 2 and second rotation axis 3, can avoid the phenomenon that the seal cloth appears droing, and then guaranteed the printing effect.

Further, as shown in fig. 2, a first clamping groove 21 extending along the axial direction is arranged on the first rotating shaft 2, a second clamping groove 31 extending along the axial direction is arranged on the second rotating shaft 3, and two ends of the seal cloth are respectively clamped in the first clamping groove 21 and the second clamping groove 31.

As an embodiment, as shown in fig. 3, a first driving device 4 is further included, and the first driving device 4 is connected to the first rotating shaft 2 for driving the first rotating shaft 2 to rotate. The first driving device 4 may be a motor, but is not limited thereto, and may be a handle or other device capable of achieving the object of the present invention, and in actual manufacturing, when the first driving device 4 is an automatic device such as a motor, it may be fixed to the end plate 11.

Further, as shown in fig. 3, the first worm gear 41 and the first worm 42 are further included, the first worm gear 41 is fixedly connected with the first rotating shaft 2, the first driving device 4 is in transmission connection with the first worm 42, the first worm gear 41 is engaged with the first worm 42, and the first driving device 4 drives the first worm 42 to rotate so as to drive the first rotating shaft 2 to rotate through the first worm gear 41. In this way, the rotation of the first rotating shaft 2 can be controlled more precisely.

As an embodiment, as shown in fig. 3, a second driving device 5 is further included, and the second driving device 5 is connected to the second rotating shaft 3 for driving the second rotating shaft 3 to rotate. The second driving device 5 may be a motor, but is not limited thereto, and may be a handle or other device capable of achieving the object of the present invention, and in actual manufacturing, the second driving device 5 is an automatic device such as a motor, and may be fixed to the end plate 11.

Further, the device also comprises a second worm wheel 51 and a second worm 52, wherein the second worm wheel 51 is fixedly connected with the second rotating shaft 3, the second driving device 5 is in transmission connection with the second worm 52, the second worm wheel 51 is meshed with the second worm 52, and the second driving device 5 drives the second worm 52 to rotate so as to drive the second rotating shaft 3 to rotate through the second worm wheel 51. In this way, the rotation of the second rotating shaft 3 can be controlled more precisely.

To achieve the object, the present invention also provides a printing machine including the transfer roller described in the above embodiment.

Through adopting above technical scheme, make the utility model has the advantages of reasonable in design, simple structure can avoid seal cloth to appear lax or drop, makes the printing effect obtain guaranteeing.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A transfer roller, characterized in that:

comprises a body, an end plate, a printing cloth, a first rotating shaft and a second rotating shaft;

2. A transfer roller according to claim 1, characterized in that:

the first rotating shaft is provided with a first clamping groove extending along the axial direction, the second rotating shaft is provided with a second clamping groove extending along the axial direction, and two ends of the printing cloth are respectively clamped in the first clamping groove and the second clamping groove.

3. A transfer roller according to claim 1 or 2, characterized in that:

the device also comprises a first driving device;

4. A transfer roller according to claim 3, characterized in that:

still include first worm wheel and first worm, first worm wheel with first rotation axis fixed connection, first drive arrangement with first worm transmission is connected, first worm wheel with first worm meshes, first drive arrangement drive first worm is rotatory, with through first worm wheel drives first rotation axis rotates.

5. A transfer roller according to claim 3, characterized in that:

the device also comprises a second driving device;

6. The transfer roller according to claim 5, wherein:

the worm gear mechanism comprises a first worm gear, a first rotating shaft, a first driving device, a second worm wheel and a second worm, wherein the first worm gear is fixedly connected with the second rotating shaft, the second driving device is in transmission connection with the second worm, the second worm wheel is meshed with the second worm, and the second driving device drives the second worm to rotate so as to drive the second rotating shaft to rotate through the second worm gear.

7. A printing press characterized by:

a transfer roller according to any one of claims 1 to 6.