CN209922514U

CN209922514U - Roll paper unwinding device

Info

Publication number: CN209922514U
Application number: CN201920586264.8U
Authority: CN
Inventors: 张毅
Original assignee: Shenzhen City Branch Soft Technology Co India
Current assignee: Shenzhen City Branch Soft Technology Co India
Priority date: 2018-05-12
Filing date: 2018-07-20
Publication date: 2020-01-10
Anticipated expiration: 2028-07-20
Also published as: CN208775960U

Abstract

The utility model provides a roll web unwinding device, unwinding device forms the paper tape through rotating the reel, presss from both sides tight unit including scroll lift unit, scroll drive unit and scroll, unwinding device still includes power supply unit, the control unit and communication unit, power supply unit provides electric power for all units that need the power supply in the device, the control unit control scroll drive unit, the communication unit is used for receiving outside control command and data or externally sends control command and data, the control unit is according to receiving control command and data control scroll drive unit work. After the technology is adopted, the unreeling device can be very conveniently embedded into various printing devices.

Description

Roll paper unwinding device

The utility model discloses an application for the branch case application of the utility model patent of 2018, 20 days in 7 months, application number 201821157065.7, invention name "a roll web unwinding device".

Technical Field

The utility model relates to a roll web unwinding device.

Background

In the printing industry, an unwinding unit is a common mechanism, for example, a flexographic printing machine, a trademark printing machine, a web cutter, etc., which include an unwinding unit, but these apparatuses are not well suited for use in the fast printing industry, and mainly include the following points:

1. the occupied area of the equipment is large, and the original structure is difficult to miniaturize;

2. the unreeling module group is directly rigidly connected without power, is difficult to be transformed into an independent module and is not in line with the modularization characteristic of a high-speed printer;

3. in order to improve the production efficiency, the paper roll with wider width is generally adopted for processing, and the specification is not suitable for the eight-opening format specification of the printer;

4. the equipment energy consumption is high, and the noise is big, and the outward appearance is poor, puts together with high-speed printer, lacks the science and technology and feels.

In addition, the reason that the occupied area of the traditional equipment is large is that the paper roll lifting mechanisms and the paper roll driving mechanisms are arranged on the two sides of the paper roll, and the paper roll is wide, so that the whole equipment is wide.

Disclosure of Invention

The utility model aims at providing an unwinding device, the width is narrow, and compact structure can realize tension regulation from driving force, but automatic speed regulation and subsequent handling are synchronous, can be fit for the job scene demand of quick seal shop.

The utility model provides a roll web unwinding device, unwinding device forms the paper tape through rotating the reel, press from both sides tight unit including scroll lift unit, scroll drive unit and scroll, unwinding device still includes power supply unit, the control unit and communication unit, power supply unit provides electric power for all units that need the power supply in the device, the control unit control scroll drive unit, the communication unit is used for receiving outside control command and data or sends control command and data to the outside, the control unit is according to receiving control command and data control scroll drive unit work.

Furthermore, the control unit also controls the paper roll lifting unit and the paper roll clamping unit to work according to the received control instruction and data.

Further, scroll lift unit, scroll drive unit and scroll clamping unit are located unwinding device's the intermediate position along width direction, scroll lift unit drive the scroll vertical lift, scroll drive unit is located unwinding device's top rubs through the friction drive mode scroll surface drive the scroll is accomplished and is unreeled.

After the technology above is adopted, the space of the paper roll vertical lifting process occupies less space, the vertical lifting oil cylinder is arranged at the middle front part, the equipment width is reduced, the unreeling belt is rubbed to unreel, the unreeling control is simplified because the proportion of the paper roll unreeling linear speed to the driving motor does not change no matter the size of the paper roll, and the unreeling driving device is arranged at the middle upper part of the paper roll, so that the equipment width is reduced.

Drawings

FIG. 1 is a functional block diagram of the present invention;

FIG. 2 is a functional block diagram of the present invention;

fig. 3 is a front view of an unwinding device according to an embodiment of the present invention;

fig. 4 is a top view of the unwinding device according to the embodiment of the present invention;

FIG. 5 is a front view of the internal structure with a portion of the cover plate removed;

FIG. 6 is a top view of the internal structure with a portion of the cover plate removed;

figure 7 is a schematic view of the structure of the roll clamping unit.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Fig. 1 is a functional framework diagram of the present invention. The roll paper unreeling device 1 adopts a structural design concept and comprises a power supply unit 2, a control unit 3, a roll paper lifting unit 4, a roll paper driving unit 5, a roll paper clamping unit 6 and a communication unit 7. The power supply unit 2 supplies power to all unit modules needing power in the unreeling device 1, the control unit 3 controls the paper roll lifting unit 4 according to the work flow of the device, the paper roll driving unit 5 and the paper roll clamping unit 6 work according to the work flow, the paper roll lifting unit 4 is used for lifting a paper roll to an unreeling position from an installing position or lowering the paper roll to the installing position from the unreeling position when the paper roll is installed and disassembled, the paper roll driving unit 5 is used for driving the paper roll to rotate so as to conveniently put paper, the paper roll clamping unit 6 is used for clamping a paper core of the paper roll, so that the paper roll is lifted or lowered under the driving of the paper roll lifting unit 4, and when the paper roll is lifted to the unreeling position, the paper roll driving unit 5 drives the paper roll to rotate around a central shaft. The communication unit 7 is configured to receive an external control command or data or send the control command or data to the outside, so that the driving control unit 3 operates according to the received control command or data, and the unwinding device 1 can be coordinated with other printing devices when assembled together. After the unreeling device 1 comprises the above functional modules, the unreeling device can be very conveniently embedded into various printing devices.

Fig. 2 is a functional frame diagram of the present invention with low cost. Also, the roll paper unwinding device 1 includes a power supply unit 2, a control unit 3, a roll lifting unit 4, a roll driving unit 5, a roll clamping unit 6, and a communication unit 7. Unlike fig. 1, the control unit 3 only controls the paper roll driving unit 5, and the paper roll lifting unit 4 and the paper roll clamping unit 6 can manually drive mechanical members to perform corresponding functions due to simple functions.

To illustrate the functional block diagram above in detail, the following is a detailed description of the structural block diagram of an embodiment of the present invention.

Fig. 3 is a front view of the unwinding device 1 according to the embodiment of the present invention. In a front view, the base 12, the upright post 16 and the top frame 14 together form the main structure of the unwinding device 1, the paper roll driving unit 5 is hinged on the top frame 14, the paper roll clamping unit 6 lifts and lowers the paper roll 13 by clamping the paper core of the paper roll 13, and the paper roll 13 rotates to unwind the paper under the driving of the paper roll driving unit 5. The paper tape 15 is drawn through a guide roller provided on the top frame 14 and is drawn to a subsequent printing process such as printing or cutting.

Fig. 4 is a top view of the unwinding device 1 according to the embodiment of the present invention. In a top view, the base 12 is arranged on two sides, the cantilever of the paper roll device 6 clamps the paper core of the paper roll 13, and the paper roll driving device 5 drives the paper roll 13 to rotate around the central shaft so as to complete unwinding.

To explain the embodiments of the present invention in more detail, the following description will be made with reference to fig. 5 and 6, which are schematic diagrams of the internal structure of the present invention with a part of the cover removed.

Fig. 5 is a front view of the internal structure diagram with a partial cover plate removed, and fig. 6 is a top view of the internal structure diagram with a partial cover plate removed. In the front view and the top view, the hydraulic cylinder 22 is a main actuator of the paper roll lifting unit 4, the paper roll lifting unit 4 further includes a beam 27, a channel 24, and a roller 23 disposed in a groove of the channel 24, and the rollers 23 are disposed at two ends of the beam 27. The paper roll clamping unit 6 is fixedly arranged on a cross beam 27 at the top of the hydraulic cylinder 22, and the hydraulic cylinder 22 drives the cross beam 27 to lift along a track formed by the channel steel 24, so that the paper roll clamping unit 6 and the paper roll 13 are driven to lift together; the hydraulic cylinder 22 is hinged to the middle of the base 12, so that the floor area of the unreeling device is reduced as much as possible, and the oil pump 25 supplies power to the hydraulic cylinder 22 and is also located on the inner side of the base 12.

The paper roll driving unit 5 comprises a motor and a friction belt 51 driven by the motor, and is hinged on the top frame 14 of the unreeling device 1, and the friction belt rubs the surface of the paper roll 13 to drive the paper roll 13 to rotate along with the chuck 36 by means of self gravity, so that unreeling is completed, and the paper tape 15 is formed.

Fig. 7 is a schematic view of the structure of the roll clamping unit 6. The paper roll clamping unit 6 includes a hand wheel 32, a forward and reverse screw 33, a cantilever 35, and a chuck 36. The clamping unit 6 is integrally fixed on the cross beam 27, the cross beam 27 goes up and down along a track formed by the channel steel 24, the supporting polished rod 37 fixed on the cross beam 27 penetrates through a through hole of the cantilever 35, the cantilever 35 can slide along and be supported by the supporting polished rod 37, meanwhile, the cantilever 35 and the forward and reverse screw rod 33 form a thread pair, when the forward and reverse screw rod 33 is rotated through the hand wheel 32, due to the fact that the thread directions of two ends of the forward and reverse screw rod 33 are opposite, the cantilever 35 is driven to be supported by the supporting polished rod and guided to move in the opposite direction, the chuck 36 is driven to clamp the paper core 26 of the paper roll 13 from two sides, and the paper.

From the above description, the utility model discloses put scroll hoist mechanism in unwinding device's well front portion, similar to fork truck's hoist mechanism, changed the drive division into friction drive simultaneously, put upper portion in the equipment, simultaneously according to the scroll width readjustment of the fast seal trade, reduced the width of equipment greatly, make it adjust to 0.8m from 2 m.

To sum up, it can be easily seen that the utility model discloses there is following advantage:

1. compared with the traditional swing arm lifting, the vertical lifting of the paper roll occupies less space in the paper roll lifting process;

2. the vertical lifting oil cylinder is arranged at the middle front part, and the equipment width is reduced relative to the vertical lifting oil cylinder arranged at the two sides of the paper roll;

3. the unreeling belt is used for friction unreeling, the proportion of the unreeling linear speed of the paper roll to the driving motor is not changed no matter the size of the paper roll, and unreeling control is simplified;

4. unreel the drive and install upper portion in the scroll, reduced the equipment width for installing in scroll both sides.

It should be noted that the driving element of the paper roll lifting unit can be the hydraulic cylinder of the present invention, also can be an electric push rod, also can be a screw drive, etc., it can be that the driving element is placed at the bottom for jacking, and also can be placed at the top for pulling.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention, and the person skilled in the art can modify the present invention or substitute it with other modifications or equivalents without departing from the spirit and scope of the present invention, which should be covered by the protection scope of the claims of the present invention.

Claims

1. The utility model provides a roll web unwinding device, unwinding device forms the paper tape through rotating the reel, presss from both sides tight unit including scroll lift unit, scroll drive unit and scroll, its characterized in that, unwinding device still includes power supply unit, the control unit and communication unit, power supply unit provides electric power for all units that need the power supply in the device, the control unit control scroll drive unit, the communication unit is used for receiving outside control command and data or sends control command and data to the outside, the control unit is according to receiving control command and data control scroll drive unit work.

2. The unwinding device of claim 1, wherein the control unit further controls the operation of the roll lifting unit and the roll clamping unit according to the received control command and data.

3. The unwinding device according to claim 2, wherein the paper roll lifting unit, the paper roll driving unit and the paper roll clamping unit are located at a middle position of the unwinding device in a width direction, the paper roll lifting unit drives the paper roll to vertically lift, the paper roll driving unit is located above the unwinding device, and the paper roll surface is rubbed by a friction driving method to drive the paper roll to complete unwinding.