CN213976334U

CN213976334U - Novel plastic film rewinding machine

Info

Publication number: CN213976334U
Application number: CN202022577304.8U
Authority: CN
Inventors: 朱莉雅; 朱玉峰; 郭啸风
Original assignee: Kunshan Jinghua Xingye Electronic Materials Co ltd
Current assignee: Kunshan Jinghua Xingye Electronic Materials Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-17
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a novel plastic film rewinding machine, which comprises a machine table, a material collecting frame and a plurality of material rolling rollers for plastic film to bypass, wherein the material collecting frame and the material rolling rollers are both arranged on the machine table; the balance weight mechanism comprises a pressing wheel, a balance weight structure, a fixed shaft and a connecting assembly, and the balance weight structure is adjusted relative to the distance of the fixed shaft in a vertical plane. The utility model discloses a tension adjusting device can adjust in real time the tension of plastic film rewinding process, makes the whole in-process of rolling up the great plastic film book of external diameter through setting up the counter weight structure, and the pinch roller acts on the surface that the plastic film was rolled up forcefully always, drives away the bubble, improves the quality that the plastic film was rolled up.

Description

Novel plastic film rewinding machine

Technical Field

The utility model relates to a rewinding machine technical field, in particular to novel plastic film rewinding machine.

Background

Rewinding machines are generally used for: the rewinding and cutting of the mica tapes, the paper and the films have the function of cutting the mica tapes, the paper and the films into two parts or only have the rewinding function, the former is usually used for cutting wide coiled materials and plays an important role in the subsequent secondary cutting, and the device is special equipment for paper, mica tapes and films.

Firstly, to rewinding machine rolling problem, can make the plastic film have elasticity in the elasticity outside, the tension controller that uses at present in China adopts tapered measuring method to convert tension, perhaps through the meter number, the tensile problem of mode conversion of diameter, under the very fast or very thin condition of material of rolling speed, the system converts out the dynamics of giving the receipts material axle not even, can lead to the material to crumple like this, the problem of crease.

Secondly, some materials are softer, for example, films and the like, and need to be driven away or eliminate bubbles when rolling up, especially for the situation that the roll diameter of the finished product to be rolled up is relatively large, the in-process that the roll diameter of the finished product to be rolled up becomes bigger gradually exists: the bubbles and folds on the surface of the finished product are more obvious, the bubbles on the periphery of the large roll diameter are serious, and the material is pressed to be folded by the force of the pressing wheel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel plastic film rewinding machine can effectively solve the problem in the background art.

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

a novel plastic film rewinding machine comprises a machine table, a material receiving frame and a plurality of material rolling rollers for plastic film to bypass, wherein the material receiving frame and the material rolling rollers are both arranged on the machine table; the air bubble driving device is arranged on the machine table and is arranged at the material receiving frame;

the tension adjusting device comprises a tension adjusting wheel, a sliding assembly and a tension adjusting wheel driving cylinder, the sliding assembly comprises a sliding block and a sliding rail, the sliding block is mounted on the tension adjusting wheel, the sliding rail is mounted on the machine table, the output end of the tension adjusting wheel driving cylinder is connected with the sliding block, and the tension adjusting wheel driving cylinder drives the sliding block to move along the sliding rail so as to realize the lifting of the tension adjusting wheel;

the bubble removing device comprises a pressing wheel, a balance weight structure, a fixed shaft and connecting assemblies, the pressing wheel, the fixed shaft and the material collecting frame are arranged in parallel, the upper end of each connecting assembly is rotatably connected with two ends of a central shaft of the pressing wheel, and the lower end of each connecting assembly is rotatably connected with the fixed shaft;

one end of the counterweight structure is detachably connected with the fixed shaft through an adjusting assembly, and the counterweight structure is adjusted to be vertical to the fixed shaft in a vertical plane through the adjusting assembly.

Furthermore, the tension adjusting wheel is a driven wheel, one of the coiling rollers is a driving wheel, the rest coiling rollers are driven wheels, and the tension adjusting wheel is positioned between the driving wheel and one driven wheel.

Further speaking, the surface of tension adjustment wheel is equipped with a plurality of oval lines of being convenient for with the plastic film exhibition flat, and the axial central plane of definition tension adjustment wheel is mirror image face, all the line with mirror image face radial symmetry sets up, and two in a radial a set of line one side of line is close to and the opposite side is kept away from relatively.

Furthermore, the eliminating device further comprises a return driving cylinder for driving the pressing wheel to return, one end of the return driving cylinder is fixedly installed on the machine table, and the tail end of a push rod of the return driving cylinder is installed on the connecting assembly.

Furthermore, a soft rubber layer is wound on the surface of the pressing wheel, and the thickness of the soft rubber layer is 1-3 cm.

The connecting assembly comprises a connecting plate and a rotating sleeve arranged at the lower end of the connecting plate, the rotating sleeve is sleeved on the fixed shaft, and a through hole matched with the central shaft of the pressing wheel is formed in the upper end of the connecting plate.

Further say, the adjusting part includes regulating plate, regulating block and adjusting bolt, the upper end of regulating plate is equipped with the arc wall, the upper end of arc wall has the plane section, the regulating block place in the plane section, the lower surface of regulating block with the arc wall of regulating plate will the fixed axle collar is embraced, the regulating block with the plane section of regulating plate all is equipped with the bolt hole, passes through the bolt hole the fixed axle press from both sides tightly in the arc wall with between the regulating block, realize the regulating plate with the relative fixation of fixed axle.

Further, the weight structure is a solid metal shaft.

Further, the soft adhesive layer is a PVC (polyvinyl chloride) layer, a polyamide elastomer layer, a polyolefin elastomer layer, or a polyurethane elastomer layer.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses be equipped with tension adjusting device and catch up with the bubble device, the beneficial effect of production as follows:

one, the utility model discloses a tension adjusting device includes the tension adjustment wheel, slip subassembly and tension adjustment wheel drive actuating cylinder, the slip subassembly includes slider and slide rail, it goes up and down in order to realize the tension adjustment wheel to drive actuating cylinder drive slider along the slide rail removal through the tension adjustment wheel, the plastic film can follow the first half process of tension adjustment wheel, the tension adjustment wheel is pushed down to the plastic film promptly, the tension adjustment wheel is at the in-process that the plastic film rewinding tightened up, can be jumped about along with the tensile size of plastic film, make the tension of plastic film be in more stable value all the time, the advantage specifically is: 1. reducing the stretching distance of the plastic film material caused by tension; the material with slight uneven thickness is flattened and wound by the fine adjustment of the two low-friction cylinders of the device; 2. finishing the rolling of the material with constant tension by matching with a tension controller; 3. the tension adjusting wheel driving cylinder can remedy tension errors caused by conversion of a tension controller;

the bubble driving device is arranged at the material receiving rack of the rewinding machine and comprises a pressing wheel, a balance weight structure, a fixed shaft and connecting components, wherein the pressing wheel, the fixed shaft and the material receiving rack are all arranged in parallel, the upper end of each connecting component is rotatably connected with two ends of a central shaft of the pressing wheel, and the lower end of each connecting component is rotatably connected with the fixed shaft; one end of the counterweight structure is detachably connected with the fixed shaft through the adjusting component, the adjusting component is adjusted to realize that the counterweight structure is opposite to the distance of the fixed shaft in a vertical plane, and the bubble removing device is used for removing bubbles by pressing the pressure wheel on the outer peripheral surface of the plastic film roll wound on the roll stand all the time compared with the traditional counterweight structure, the outer diameter of the plastic film roll is increased along with the increase of the plastic films wound on the roll stand, and the position of the counterweight structure and the counterweight structure relative to the fixed shaft is adjustable, so that when the connecting plate rotates vertically and continuously backwards, the pressure wheel still acts on the surface of the plastic film roll forcefully, and in the whole process of rolling the plastic film roll with larger outer diameter, the pressure wheel acts on the surface of the plastic film roll all the time to remove bubbles and can also solve the problems of folds and the like of materials, the quality of the plastic film roll is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the plastic film rewinding machine of the present invention;

fig. 2 is a schematic structural diagram of a part of the plastic film rewinding machine of the present invention (hatching is not shown);

FIG. 3 is a schematic structural view of the tension adjusting wheel of the present invention;

FIG. 4 is one of the schematic structural diagrams of the bubble removing device of the present invention;

fig. 5 is a second schematic structural view of the bubble removing device of the present invention (arrows indicate the moving direction of the pressing wheel during the plastic film winding process);

fig. 6 is a schematic view (from left or right) of the present invention at the counterweight structure and fixed shaft;

in the figure:

the device comprises a machine table 10, a material receiving rack 20, a material rolling roller 30, a bubble removing device 40, a pressing wheel 401, a counterweight structure 402, a fixed shaft 403, a connecting assembly 404, a connecting plate 4041, a rotating sleeve 4042, an adjusting assembly 405, an adjusting plate 4051, an adjusting block 4052, a tension adjusting device 50, a tension adjusting wheel 501, a tension adjusting wheel driving cylinder 502, a sliding block 503 and a vertical height H.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1 to 3, the rewinding machine includes a machine table 10, a material receiving frame 20, and a plurality of material winding rollers 30 for plastic films to pass around, wherein the material receiving frame and the material winding rollers are both mounted on the machine table, the machine table is further provided with a tension adjusting device 50 and a bubble expelling device, and the tension adjusting device is arranged between the material winding rollers or between the material winding rollers and the material receiving frame; the air bubble driving device 40 is arranged on the machine table and is arranged at the material receiving frame;

as shown in fig. 1 to fig. 3, the tension adjusting device 50 includes a tension adjusting wheel 501, a sliding assembly and a tension adjusting wheel driving cylinder 502, the sliding assembly includes a sliding block 503 and a sliding rail (not shown), the sliding block is mounted on the tension adjusting wheel, the sliding rail is mounted on the machine, an output end of the tension adjusting wheel driving cylinder is connected with the sliding block, and the tension adjusting wheel driving cylinder drives the sliding block to move along the sliding rail to realize the lifting and lowering of the tension adjusting wheel;

in this embodiment, the tension adjusting wheel driving cylinder is a low friction cylinder.

As shown in fig. 1, 4 and 5, the bubble removing device includes a pressing wheel 401, a counterweight structure 402, a fixed shaft 403 and connecting assemblies 404, the pressing wheel, the fixed shaft and the material receiving frame are all arranged in parallel, the upper end of each connecting assembly is rotatably connected with two ends of a central shaft of the pressing wheel, and the lower end of each connecting assembly is rotatably connected with the fixed shaft;

as shown in fig. 6, one end of the counterweight structure is detachably connected with the fixed shaft through an adjusting assembly 405, and the vertical height H of the counterweight structure relative to the fixed shaft in a vertical plane is realized by adjusting the adjusting assembly.

The tension adjusting wheel is a driven wheel, one of the coiling rollers is a driving wheel, the rest coiling rollers are driven wheels, and the tension adjusting wheel is positioned between the driving wheel and one driven wheel.

As shown in fig. 3, the surface of tension adjustment wheel is equipped with a plurality of oval lines 5011 of being convenient for with the plastic film exhibition is flat, and the axial central plane of definition tension adjustment wheel is mirror image face, all the line with mirror image face radial symmetry sets up, and two in radial a set of line one side of line is close to and the opposite side is kept away from relatively.

As shown in fig. 1, 4 and 5, the removing device further includes a return driving cylinder (not shown) for driving the pressing wheel to return, one end of the return driving cylinder is fixedly mounted on a machine table (for example, point a in the drawing), and the end of a push rod of the return driving cylinder is mounted on the connecting assembly (for example, point B in the drawing).

As shown in fig. 1, 4 and 5, a soft adhesive layer (not shown) is wound on the surface of the pressing wheel, and the thickness of the soft adhesive layer is 1-3 cm.

As shown in fig. 1, 4 and 5, the connecting assembly includes a connecting plate 4041 and a rotating sleeve 4042 disposed at the lower end of the connecting plate, the rotating sleeve is sleeved on the fixed shaft, and the upper end of the connecting plate has a through hole for matching with the central shaft of the pressing wheel.

As shown in fig. 1, 4 and 5, the adjusting assembly includes adjusting plate 4051, regulating block 4052 and adjusting bolt (not shown), the upper end of adjusting plate is equipped with the arc wall, the upper end of arc wall has the plane section, the regulating block place in the plane section, the lower surface of regulating block with the arc wall of adjusting plate will the fixed collar embraces, the regulating block with the plane section of adjusting plate all is equipped with the bolt hole, passes through the bolt hole the fixed axle press from both sides tightly in the arc wall with between the regulating block, realize the adjusting plate with the relative fixation of fixed axle.

Of course also can adopt other fixed modes between regulating plate and the regulating block, for example, adjusting part includes regulating plate 4051, regulating block 4052 and a plurality of adjusting bolt (not shown in the figure), the upper end of regulating plate is equipped with the arc wall, the lower surface of regulating block with the family's arc wall of regulating plate will the fixed axle collar is embraced, the upper end of regulating plate or/and the regulating block is equipped with the bolt hole, passes through the bolt hole from radially supporting tightly the surface of fixed axle realizes the regulating plate with the relatively fixed of fixed axle. Preferably, the bolt is equipped with threely, the regulating plate with the upper end of regulating plate with the regulating block all is equipped with the bolt hole, and is most stable through three point fixation.

As shown in fig. 1, 4 and 5, the weight structure is a solid metal shaft, but is not limited thereto.

As shown in fig. 1, 4 and 5, the softgel layer is a PVC (polyvinyl chloride) layer, a polyamide elastomer layer, a polyolefin elastomer layer or a polyurethane elastomer layer.

The utility model discloses a theory of operation and working process as follows:

the working process of the tension adjusting device is as follows: the first half process of tension adjustment wheel can be followed to the plastic film, and the tension adjustment wheel is pushed down to the plastic film promptly, and the tension adjustment wheel can be jumped from top to bottom along with the tensile size of plastic film at the in-process that the plastic film rewinding was tightened up for the tension of plastic film is in more stable value all the time, and the advantage specifically is: 1. reducing the stretching distance of the plastic film material caused by tension; the material with slight uneven thickness is flattened and wound by the fine adjustment of the two low-friction cylinders of the device; 2. finishing the rolling of the material with constant tension by matching with a tension controller; 3. tension error caused by conversion of a tension controller can be remedied by a tension adjusting wheel driving cylinder

The working process of the bubble removing device is as follows: the core winding frame is sleeved with the core winding frame, one end of the plastic film is wound on the surface of a core winding of the core winding frame, the pressing wheel can press the surface of the plastic film under the action of gravity, bubbles on the surface of a coiled material of the plastic film can be driven away by the gravity of the pressing wheel, the plastic film can be flattened, and wrinkles and the like can be avoided; the acting force of the pressing wheel on the surface of the plastic film is smaller and smaller along with the increasing of the outer diameter of the plastic film roll, and if a balance weight structure is not arranged, the pressing wheel does not act on the plastic film roll forcefully when the connecting plate rotates vertically and continuously, so that the effects of removing bubbles and avoiding folds are not achieved; in the embodiment, due to the counterweight structure, when the connecting plate vertically rotates and continuously rotates, the pressing wheel still acts on the plastic film roll forcefully, the effects of removing bubbles and avoiding folds can be achieved, the position of the counterweight structure relative to the fixed shaft can be adjusted by adjusting the position of the adjusting plate relative to the fixed shaft, the acting force of the pressing wheel acting on the surface of the plastic film roll can be influenced finally, the position of the counterweight structure can be adjusted according to the type, material or performance of the plastic film, and the effects of removing bubbles and avoiding folds are achieved; according to the difference of the hardness and the curling diameter of the plastic film material, a device below the pressing wheel is adjusted to adjust various angles, and the low-tension and low-pressure winding is realized through a counterweight structure;

and after a roll of plastic film is rolled up, the return driving cylinder can drive the pressing wheel to return to prepare for the next working process.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel plastic film rewinding machine which characterized in that: the rewinding machine comprises a machine table (10), a material receiving frame (20) and a plurality of material rolling rollers (30) for plastic films to bypass, wherein the material receiving frame and the material rolling rollers are both arranged on the machine table, the machine table is also provided with a tension adjusting device (50) and a bubble driving device, and the tension adjusting device is arranged between the material rolling rollers or between the material rolling rollers and the material receiving frame; the air bubble driving device (40) is arranged on the machine table and is arranged at the material receiving frame;

the tension adjusting device (50) comprises a tension adjusting wheel (501), a sliding assembly and a tension adjusting wheel driving air cylinder (502), the sliding assembly comprises a sliding block (503) and a sliding rail, the sliding block is installed on the tension adjusting wheel, the sliding rail is installed on the machine table, the output end of the tension adjusting wheel driving air cylinder is connected with the sliding block, and the tension adjusting wheel driving air cylinder drives the sliding block to move along the sliding rail so as to realize the lifting of the tension adjusting wheel;

the bubble removing device comprises a pressing wheel (401), a counterweight structure (402), a fixed shaft (403) and connecting assemblies (404), wherein the pressing wheel, the fixed shaft and the material collecting frame are arranged in parallel, the upper end of each connecting assembly is rotatably connected with two ends of a central shaft of the pressing wheel, and the lower end of each connecting assembly is rotatably connected with the fixed shaft;

one end of the counterweight structure is detachably connected with the fixed shaft through an adjusting component (405), and the counterweight structure is adjusted to be vertical to the fixed shaft in a vertical plane (H).

2. The novel plastic film rewinding machine as claimed in claim 1, characterized in that: the tension adjusting wheel is a driven wheel, one of the coiling rollers is a driving wheel, the rest coiling rollers are driven wheels, and the tension adjusting wheel is positioned between the driving wheel and one driven wheel.

3. The novel plastic film rewinding machine as claimed in claim 1, characterized in that: the surface of tension adjustment wheel is equipped with a plurality of oval lines (5011) of being convenient for with the plastic film exhibition flat, and the axial central plane of definition tension adjustment wheel is mirror image face, all the line with mirror image face radial symmetry sets up, and two in a radial a set of line one side of line is close to and the opposite side is kept away from relatively.

4. The novel plastic film rewinding machine as claimed in claim 1, characterized in that: catch up with bubble device still including being used for the drive the return of pinch roller drives actuating cylinder, the one end fixed mounting that the return drove actuating cylinder in the board, just the end of the push rod of return drive actuating cylinder install in coupling assembling.

5. The novel plastic film rewinding machine as claimed in claim 1, characterized in that: the surface of the pinch roller is wound with a soft rubber layer, and the thickness of the soft rubber layer is 1-3 cm.

6. The novel plastic film rewinding machine as claimed in claim 1, characterized in that: the connecting assembly comprises a connecting plate (4041) and a rotating sleeve (4042) arranged at the lower end of the connecting plate, the rotating sleeve is sleeved on the fixed shaft, and the upper end of the connecting plate is provided with a through hole matched with the central shaft of the pressing wheel.

7. The novel plastic film rewinding machine as claimed in claim 1, characterized in that: the adjusting part includes regulating plate (4051), regulating block (4052) and adjusting bolt, the upper end of regulating plate is equipped with the arc wall, the upper end of arc wall has the plane section, the regulating block place in the plane section, the lower surface of regulating block with the arc wall of regulating plate will fixed axle collar is embraced, the regulating block with the plane section of regulating plate all is equipped with the bolt hole, passes through the bolt hole the fixed axle press from both sides tightly in the arc wall with between the regulating block, realize the regulating plate with the relatively fixed of fixed axle.

8. The novel plastic film rewinding machine as claimed in claim 1, characterized in that: the counterweight structure is a solid metal shaft.

9. The novel plastic film rewinding machine as claimed in claim 5, characterized in that: the soft adhesive layer is a PVC layer, a polyamide elastomer layer, a polyolefin elastomer layer or a polyurethane elastomer layer.