CN214449614U

CN214449614U - Double-rubber-roller printer

Info

Publication number: CN214449614U
Application number: CN202022739233.7U
Authority: CN
Inventors: 喻元
Original assignee: Zhejiang Yurong Digital Printing Technology Co ltd
Current assignee: Zhejiang Yurong Digital Printing Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-10-22
Anticipated expiration: 2030-11-24

Abstract

The utility model relates to a two rubber roller printers, it is right with the back roller to set up the front roller respectively around printing the position, wherein, the front roller is to the first smooth roller that sets up including the drive and can the lifting, and first smooth roller is realized compressing tightly to the printing material through lifting and first rubber roller cooperation, and the back roller is to the second smooth roller that includes the second rubber roller that the drive set up and can the lifting set up, and the second smooth roller is realized compressing tightly to the printing material through lifting and second rubber roller cooperation, compared with the prior art, when the printing material received too big tensile force, the printing material can be for preceding, back roller is to sliding to prevent the deformation and the damage that the printing material produced because the overstretching.

Description

Double-rubber-roller printer

Technical Field

The utility model relates to a printer, concretely relates to two rubber roll printers.

Background

In the printing mechanism, there is generally a roller for carrying the printing material along. The rollers are driven by the motor to roll, the printing material attached to the surfaces of the rollers is driven to move forwards by friction force, and when the rolling speeds of the rollers of the printing mechanism are inconsistent, the printing material between the two rollers is easy to stretch and deform, so that the printing quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a can prevent two rubber roll printers of printing material deformation.

In order to achieve the above object, the present invention provides a dual blanket printer, wherein a front roller pair and a rear roller pair are respectively disposed in front of and behind a printing position,

the front roller pair comprises a first rubber roller arranged in a driving way and a first smooth roller arranged in a lifting way, the first smooth roller is lifted to be matched with the first rubber roller to realize the compaction of the printing material,

the rear roller pair comprises a second rubber roller arranged in a driving mode and a second smooth roller capable of being lifted, and the second smooth roller is lifted to be matched with the second rubber roller to compress the printing material.

In some embodiments, the first rubber roller is driven to rotate by a first driving motor.

In some embodiments, the second rubber roller is driven to rotate by a second driving motor.

In some embodiments, a first lifting device is included that lifts the first smoothing roller to cooperate with the first rubber roller to grip the printing material.

In some embodiments, the first lifting device includes a first fixed base, a plurality of first air cylinders, and a plurality of first supporting roller mechanisms, the plurality of first supporting roller mechanisms are distributed along the roller length direction of the first smooth roller and can be supported at the bottom of the first smooth roller in a rolling manner, the first supporting roller mechanisms are connected with the first fixed base through the plurality of first air cylinders, and the first air cylinders push the first smooth roller supported by the first supporting roller mechanisms to perform the lifting.

In some embodiments, the first supporting roller mechanism comprises two first supporting rollers arranged at two sides of the first smooth roller in the axial direction, the first smooth roller is limited to roll between the first supporting rollers at two sides, the first supporting rollers are rotatably arranged on a first supporting roller bracket, and the first supporting roller bracket is connected with the first air cylinder.

In some embodiments, a second lifting device is included that lifts the second smoothing roller to cooperate with the second rubber roller to grip the printing material.

In some embodiments, the second lifting device includes a second fixed base, a plurality of second air cylinders, and a plurality of second support roller mechanisms, the plurality of second support roller mechanisms are distributed along the roller length direction of the second smoothing roller and can be supported at the bottom of the second smoothing roller in a rolling manner, the second support roller mechanisms are connected with the second fixed base through the plurality of second air cylinders, and the second air cylinders push the second smoothing roller supported by the support rollers to perform the lifting.

In some embodiments, the second supporting roller mechanism comprises two second supporting rollers arranged on two sides of the second smooth roller in the axial direction, the second smooth roller is limited to roll between the second supporting rollers on two sides, the second supporting rollers are rotatably arranged on a second supporting roller bracket, and the second supporting roller bracket is connected with the second air cylinder.

In some embodiments, an unwinding mechanism and a winding mechanism are included.

Compared with the prior art, the utility model, when printing material received too big tensile force, printing material can be to sliding for preceding, back roller to prevent printing material because the deformation and the damage that overstretch produced.

Drawings

Fig. 1 is a schematic structural diagram of the double-rubber-roll printer of the present invention.

Fig. 2 is a sectional view taken along the plane a-a of fig. 1.

Fig. 3 is a schematic structural diagram of the first lifting device.

FIG. 4 is a partial perspective view of the dual roll printer of FIG. 1.

Fig. 5 is a schematic view of the orientation of the printed material.

In the figure: 100. the printing machine comprises a rear roller pair, 110, a second rubber roller, 120, a second smooth roller, 130, a second lifting device, 131, a supporting roller mechanism, 132, a first air cylinder, 133, a first fixed base, 140, a winding mechanism, 150, a first driving motor, 200, a front roller pair, 210, a first rubber roller, 220, a second rubber roller, 230, a first lifting device, 2311, a first supporting roller, 2312, a first supporting roller bracket, 232, a first air cylinder, 233, a first fixed base, 240, an unwinding mechanism, 250, a guide roller, 300, a rack, 400, a printing position and 500 printing materials.

Detailed Description

The structure of the dual-rubber-roller printer of the embodiment is as shown in fig. 1 and fig. 2, a front roller pair 200 and a rear roller pair 100 are respectively arranged in front of and behind a printing position 400, wherein the front roller pair 200 comprises a first rubber roller 210 arranged in a driving manner and a first smooth roller 220 arranged in a lifting manner, the first smooth roller 220 is matched with the first rubber roller 210 through lifting to compress a printing material, the rear roller pair 100 comprises a second rubber roller 110 arranged in a driving manner and a second smooth roller 120 arranged in a lifting manner, and the second smooth roller 120 is matched with the second rubber roller 110 through lifting to compress the printing material.

The first rubber roller and the second rubber roller in the embodiment can adopt commercially available rubber rollers, such as butyronitrile rubber roller, natural rubber roller, butylbenzene rubber roller and the like, and the first smooth roller and the second smooth roller can adopt commercially available smooth rollers, such as aluminum alloy rollers or stainless steel rollers.

When the first rubber roll 210 and the second rubber roll 110 are driven to roll, the printing material is driven or prevented from advancing by static friction force provided by the rubber surfaces of the first rubber roll 210 and the second rubber roll 110, the printing material can be clamped by the first smooth roll 220 and the second smooth roll 120 after being lifted, sliding friction exists between the printing material and the smooth rolls, once the rolling speed of the first rubber roll 210 is lower than that of the second rubber roll 110, or the first rubber roll 210 actively decelerates or reverses relative to the second rubber roll 110 to tension the printing material, when the tension force generated by the first rubber roll 210 and the second rubber roll 110 is too large, the printing material can slide relative to the front and rear roller pairs due to the fact that the printing material cannot be tightly attached to the first rubber roll 120 and the second smooth roll 220, and the situation of tensile deformation is prevented.

Referring to fig. 1, the drive is arranged such that the first rubber roller 110 is driven to rotate by a first drive motor 150, and similarly, the second rubber roller on the other side is driven to rotate by a second drive motor. The specific setting mode can be combined with fig. 1 and 4, a shaft hole for installing the first rubber roll 110 is formed in the frame 300, in fig. 1, the right end of the first rubber roll 110 penetrates through the shaft hole to be in transmission connection with the first driving motor 150, and the first driving motor 150 can be matched with a gear set to transmit torque to realize the rolling of the first rubber roll 110. Correspondingly, the other side of the frame 300 is provided with a shaft hole for installing the second rubber roll 210, and one end of the second rubber roll 210 penetrates through the shaft hole to be in transmission connection with the second driving motor so as to realize the rolling of the second rubber roll.

As shown in fig. 2, the first smoothing roller 220 is lifted by the first lifting device 230 to cooperate with the first rubber roller 210 to clamp the printing material, and the second smoothing roller 120 is lifted by the second lifting device 130 to cooperate with the second rubber roller 110 to clamp the printing material. Referring to fig. 3, the first lifting device 230 includes a first fixing base 233, a plurality of first air cylinders 232, and a plurality of first supporting roller mechanisms 231, the plurality of first supporting roller mechanisms 231 are distributed along the roller length direction of the first smoothing roller 220 and can be supported at the bottom of the first smoothing roller 220 in a rolling manner, the first supporting roller mechanisms 231 and the first fixing base 233 are connected through the plurality of first air cylinders 232, the first air cylinders 232 push the first smoothing roller 220 supported by the first supporting roller mechanisms 231 to lift, in this embodiment, the lifting direction is the direction indicated by the arrow in fig. 3. The first supporting roller mechanism 231 includes two first supporting rollers 2311 arranged at two sides of the first smooth roller in the axial direction, the first smooth roller 220 is limited to roll between the first supporting rollers 2311 at two sides, the first supporting rollers 2311 are rotatably arranged on a first supporting roller bracket 2312, and the first supporting roller bracket 2312 is connected with the first cylinder 232. The structure of the second lifting device is the same as that of the first lifting device, the second lifting device comprises a second fixing base, a plurality of second air cylinders and a plurality of second supporting roller mechanisms, the second supporting roller mechanisms are distributed along the roller length direction of the second smooth roller and can be supported at the bottom of the second smooth roller in a rolling mode, the second supporting roller mechanisms are connected with the second fixing base through the second air cylinders, and the second air cylinders push the second smooth roller supported by the supporting rollers to lift. The second supporting roller mechanism comprises two second supporting rollers arranged on two sides of the second smooth roller in the axial direction, the second smooth roller is limited to roll between the second supporting rollers on the two sides, the second supporting rollers can be rotatably arranged on a second supporting roller support, and the second supporting roller support is connected with the second cylinder.

As shown in fig. 2, the double-glue-roller printer further includes a guide roller 250, the guide roller 250 is disposed between the unwinding mechanism 240 and the front roller pair 200, the printing material is folded and guided by the guide roller 250 after being unwound, and then enters the rear roller pair 200, the guide roller 250 enables the printing material to be transferred in the printer in a proper path, prevents interference from the internal structure of the printer during the transfer, and plays a role in tensioning and guiding.

Referring to fig. 5, in the printing operation, the unwinding mechanism 240 unwinds the rolled printing material 500, and the rolled printing material is guided by the guide roller 250, driven by the front roller pair 200 to the printing position 400 for printing, and driven by the rear roller pair 100 to the winding mechanism 140 for winding after printing. In the printing process, the first smooth roller 220 and the first rubber roller 210 are lifted to clamp the printing material before printing, the second smooth roller 120 and the second rubber roller 110 are lifted to clamp the printing material after printing, the rotating speeds of the first rubber roller 210 and the second rubber roller 110 can be controlled to tension the printing material at the printing position, and when the tension force is too large, the printing material can slide relative to the front roller pair 100 and the rear roller pair 200, so that the stretching deformation of the printing material is effectively prevented.

The embodiments of the present invention are only used for illustration, and do not limit the scope of the claims, and other substantially equivalent alternatives that may be conceived by those skilled in the art are within the scope of the present invention.

Claims

1. A double-roll printer is characterized in that a front roll pair and a rear roll pair are respectively arranged in front of and behind a printing position, wherein,

the back roller pair comprises a second rubber roller arranged in a driving way and a second smooth roller arranged in a lifting way, the second smooth roller is lifted to be matched with the second rubber roller to realize the compaction of the printing material,

comprises a first lifting device, the first lifting device lifts a first smooth roller to be matched with a first rubber roller to clamp a printing material,

the first lifting device comprises a first fixing base, a plurality of first air cylinders and a plurality of first supporting roller mechanisms, the plurality of first supporting roller mechanisms are distributed along the roller length direction of the first smooth roller and can be supported at the bottom of the first smooth roller in a rolling mode, the first supporting roller mechanisms are connected with the first fixing base through the plurality of first air cylinders, and the first air cylinders push the first smooth roller supported by the first supporting roller mechanisms to lift.

2. A dual roll printer according to claim 1, wherein said first roll is rotated by a first drive motor.

3. A dual roll printer according to claim 1, wherein said second roll is rotated by a second drive motor.

4. The dual blanket cylinder printer of claim 1 wherein said first backup roller mechanism includes two first backup rollers disposed axially on opposite sides of said first blanket, said first blanket being constrained to roll between said first backup rollers on opposite sides, said first backup rollers being rotatably disposed on a first backup roller support, said first backup roller support being connected to said first cylinder.

5. A dual blanket printer according to claim 1 including a second lifting means for lifting the second smoothing roller to cooperate with the second blanket roller to grip the print material.

6. The dual blanket printer of claim 5 wherein said second elevating means comprises a second fixed base, a plurality of second pneumatic cylinders and a plurality of second backup roller mechanisms, said plurality of second backup roller mechanisms being disposed along the length of said second blanket roll and being rollably supported on the bottom of said second blanket roll, said second backup roller mechanisms being connected to said second fixed base by said plurality of second pneumatic cylinders, said second pneumatic cylinders urging said second blanket roll supported by said backup rollers to perform said elevating.

7. The dual blanket printer of claim 6 wherein said second backup roller mechanism includes two second backup rollers disposed axially on opposite sides of said second smoothing roller, said second smoothing roller being constrained to roll between said second backup rollers on opposite sides, said second backup rollers being rotatably disposed in a second backup roller support, said second backup roller support being connected to said second cylinder.

8. The dual blanket roller printer of claim 1 including an unwind mechanism and a wind-up mechanism.