CN204453955U

CN204453955U - Plastic film winding device

Info

Publication number: CN204453955U
Application number: CN201520083904.5U
Authority: CN
Inventors: 张永全
Original assignee: Grand Packaging Material Co Ltd In Ningbo Hundred Million
Current assignee: Grand Packaging Material Co Ltd In Ningbo Hundred Million
Priority date: 2015-02-06
Filing date: 2015-02-06
Publication date: 2015-07-08
Anticipated expiration: 2025-02-06

Abstract

The utility model discloses a kind of plastic film winding device, comprise support, support is provided with driven roller, support is arranged and also has wind-up roll, be flexibly connected between wind-up roll with support, wind-up roll be provided with the extrusion equipment compressed to driven roller by wind-up roll.When carrying out rolling to plastic sheeting, plastic sheeting with constant be that speed pulls out, rolling is on wind-up roll, pass through extrusion equipment, by wind-up roll and driven roller compact siro spinning technology, when driven roller rotates with constant speed, plastic sheeting can be made to carry out rolling with constant speed, prevent from, because diameter in wind-up roll wrapup procedure becomes the difference of the rolling speed to plastic sheeting caused greatly, making plastic sheeting keep constant airspeed in wrapup procedure.

Description

Plastic film winding device

Technical field

The utility model relates to plastic sheeting manufacturing and processing equipment field, is specifically related to a kind of plastic film winding device.

Background technology

Plastic sheeting be a fusible or solvable poly-mer become soft by forming work, evenly, very thin sheet layer material, be generally make with polyvinylchloride, polyethylene, polypropylene, polystyrene and other resins as.

In plastic sheeting process of manufacture, after polymeric resin is extruded sheet by extruder heating and melting, stretch within the scope of proper temperature more than glass temperature, below fusing point, make polymeric resin material drawing and forming in the good situation of themoplasticity, then enter the rear rolling of further processing.Existing plastic film winding device, is directly be wound on wind-up roll by plastic sheeting, by the rotation of wind-up roll, plastic sheeting rolling is got up.But this wrap-up, plastic sheeting is carried out in the process of rolling, receive rolled-up plastic sheeting radius increasing, when wind-up roll rotating speed is constant, because radius becomes large, wind-up roll can be made to become large to the pulling force of plastic sheeting, easily cause plastic sheeting tension force deformation in wrapup procedure, affect the quality of plastic sheeting.

Utility model content

For the deficiencies in the prior art, the utility model provides a kind of plastic film winding device that can provide constant force.

For achieving the above object, the utility model provides following technical scheme: a kind of plastic film winding device, comprise support, support is provided with driven roller, support is arranged and also has wind-up roll, be flexibly connected between wind-up roll with support, wind-up roll be provided with the extrusion equipment compressed to driven roller by wind-up roll.

By adopting technique scheme, pass through extrusion equipment, wind-up roll is extruded to driven roller one end, make wind-up roll and driven roller close contact, thus by the rotation of driven roller, wind-up roll can be driven to rotate, because the velocity of rotation of driven roller is constant, make the linear velocity constant of driven roller and wind-up roll contact position, thus pass to the constant winding wire speed of wind-up roll one, when the plastic sheeting of wind-up roll rolling gets more and more, when making the diameter of wind-up roll become large, stable winding wire speed can also be kept, avoid the situation of stretched plastic film distortion in wrapup procedure.

The utility model is set to further, and extrusion equipment comprises pressure ram and elastic component, and pressure ram one end is hinged on support, and the other end is connected with wind-up roll, and elastic component is arranged between pressure ram and support.

By adopting technique scheme, wind-up roll is connected on pressure ram, hinged by between pressure ram and support, can rotate around hinge-point, meanwhile, between pressure ram and support, also be provided with elastic component, by elastic component, pressure ram is extruded to support one end, make wind-up roll on pressure ram can with driven roller close contact, thus make driven roller that wind-up roll can be driven to rotate, reach the effect of rolling.

The utility model is set to further, and wind-up roll is detachably connected on pressure ram, and wind-up roll is rotatably connected on pressure ram.

By adopting technique scheme, removably connecting adopting between wind-up roll and pressure ram, when the plastic sheeting length of rolling on wind-up roll is enough, wind-up roll and pressure ram being disassembled, facilitating taking and changing after plastic sheeting rolling.

The utility model is set to further, and driven roller surface is provided with one deck rubber layer.

By adopting technique scheme, because Plastic film surface is smooth, easily skid in conveying and wrapup procedure, therefore, the surface of driven roller is set to rubber layer, by pressure ram compact siro spinning technology between compression roller and wind-up roll, plastic sheeting can be made when rolling, by keeping constant winding wire speed with the driven roller of rubber layer, stable rolling, on wind-up roll, keeps plastic sheeting to be out of shape.

Compared with prior art, when carrying out rolling to plastic sheeting, plastic sheeting with constant be that speed pulls out, rolling on wind-up roll, by extrusion equipment, by wind-up roll and driven roller compact siro spinning technology, when driven roller rotates with constant speed, plastic sheeting can be made to carry out rolling with constant speed, prevent from, because diameter in wind-up roll wrapup procedure becomes the difference of the rolling speed to plastic sheeting caused greatly, making plastic sheeting keep constant airspeed in wrapup procedure.

Accompanying drawing explanation

Fig. 1 is the utility model plastic film winding device schematic diagram;

Schematic diagram when Fig. 2 is rolling;

Fig. 3 is schematic diagram after rolling.

Reference numeral: 1, support; 2, driven roller; 3, wind-up roll; 4, extrusion equipment; 5, drive motor; 6, plastic sheeting; 41, pressure ram; 42, spring; 51, belt wheel; 52, belt.

Detailed description of the invention

Referring to figs. 1 through Fig. 3, the utility model embodiment is described further.

A kind of plastic film winding device, comprise support 1, support 1 is provided with driven roller 2, driven roller 2 is driven by drive motor 5, keep rotating with constant speed, drive motor 5 and one end of driven roller 2 are provided with belt wheel 51, are connected by belt 52 between two belt wheels 51, with the form transmission of belt 52 and belt wheel 51, realize the transmission between drive motor 5 and driven roller 2.Support 1 is also provided with wind-up roll 3 simultaneously, wind-up roll 3 is provided with the extrusion equipment 4 compressed to driven roller 2 by wind-up roll 3.By extrusion equipment 4, wind-up roll 3 is extruded to driven roller 2 one end, make wind-up roll 3 and driven roller 2 close contact, thus pass through the rotation of driven roller 2, wind-up roll 3 can be driven to rotate, because the velocity of rotation of driven roller 2 is constant, make the constant airspeed of driven roller 2 circumferentially tangent line, the i.e. linear velocity constant of driven roller 2 and wind-up roll 3 contact position, by the close contact between driven roller 2 and wind-up roll 3, driven roller 2 is identical with the linear velocity of wind-up roll 3 contact position, it is very fixed to keep, namely the constant winding wire speed of wind-up roll 3 one can be passed to by driven roller 2, when the plastic sheeting 6 of wind-up roll 3 rolling gets more and more, when making the diameter of wind-up roll 3 become large, stable winding wire speed can also be kept, avoid the situation of plastic sheeting 6 tensile deformation in wrapup procedure.

Preferred extrusion equipment 4 comprises pressure ram 41 and elastic component, and pressure ram 41 is provided with two, be connected to the both sides of support 1, keep interlock between two pressure rams 41 simultaneously, elastic component is arranged between pressure ram 41 and support 1, for being extruded to support 1 one end by pressure ram 41.Further, one end of pressure ram 41 is hinged on support 1, the other end is connected with wind-up roll 3, and be rotationally connected between wind-up roll 3 and pressure ram 41, by the pressure ram 41 of two interlocks, what the wind-up roll 3 being connected to pressure ram 41 one end can be made to keep between driven roller 2 is parallel, makes form good contact between driven roller 2 and wind-up roll 3, ensures the transmission of linear velocity on driven roller 2.Hinged by between pressure ram 41 and support 1, wind-up roll 3 can be rotated around the hinge-point of pressure ram 41, again by being arranged on the elastic component between pressure ram 41 and support 1, pressure ram 41 is extruded to driven roller 2 one end, make wind-up roll 3 on pressure ram 41 can with driven roller 2 close contact, thus make driven roller 2 that wind-up roll 3 can be driven to rotate, reach the effect of rolling.

Preferably, elastic component is spring 42, on one end fixed support 1 of spring 42, position pressure ram 41 and between hinge-point and driven roller 2 between, the other end is fixedly connected with pressure ram 41.By the setting of spring 42 position, by pressure ram 41 around hinge-point, elastic force can be applied to driven roller 2 one end, the wind-up roll 3 on pressure ram 41 can be extruded to driven roller 2, keep the close contact between driven roller 2 and pressure ram 41, ensure stable speed transmission.

As another kind of embodiment of the present utility model, elastic component is torsion spring, and be arranged on the hinged place of support 1 and pressure ram 41, by arranging torsion spring on hinged position, and two ends are connected on support 1 and pressure ram 41, by the effect of torsion spring, pressure ram 41 is pressed down to support 1 direction, ensure the close contact between wind-up roll 3 and driven roller 2.

Simultaneously, wind-up roll 3 is detachably connected in extrusion equipment 4, removably connects adopting between wind-up roll 3 and extrusion equipment 4, when plastic sheeting 6 length of rolling on wind-up roll 3 is enough, wind-up roll 3 and extrusion equipment 4 are disassembled, facilitates taking and changing after plastic sheeting 6 rolling.

Due to plastic sheeting 6 smooth surface, easily skid in conveying and wrapup procedure, therefore, in order to avoid plastic sheeting 6 skids when rolling, the surface of driven roller 2 is set to rubber layer, by extrusion equipment 4 compact siro spinning technology between compression roller and wind-up roll 3, plastic sheeting 6 can be made when rolling, by keeping constant winding wire speed with the driven roller 2 of rubber layer, stable rolling is on wind-up roll 3, namely because of skidding, can not cause occurring slack and undisciplined phenomenon during plastic sheeting 6 rolling, improve the rolling effect of plastic sheeting 6.

The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a plastic film winding device, comprise support, it is characterized in that: described support is provided with driven roller, described support is also provided with wind-up roll, described wind-up roll is flexibly connected with between support, described wind-up roll is provided with the extrusion equipment compressed to driven roller by wind-up roll.

2. plastic film winding device according to claim 1, it is characterized in that: described extrusion equipment comprises pressure ram and elastic component, described pressure ram one end is hinged on support, and the other end is connected with wind-up roll, and described elastic component is arranged between pressure ram and support.

3. plastic film winding device according to claim 2, is characterized in that: described wind-up roll is detachably connected on pressure ram, and described wind-up roll is rotatably connected on pressure ram.

4. plastic film winding device as claimed in any of claims 1 to 3, is characterized in that: described driven roller surface is provided with one deck rubber layer.