CN213976295U - Bubble removing device for plastic film rewinding machine - Google Patents

Abstract

The utility model discloses a bubble driving device for a plastic film rewinding machine, the rewinding machine comprises a machine table, a material collecting frame and a plurality of material rolling rollers for plastic film to bypass, the bubble driving device comprises a pinch roller, a counterweight structure, a fixed shaft and connecting components, the pinch roller, the fixed shaft and the material collecting frame are all arranged in parallel, the upper end of each connecting component is rotatably connected with two ends of a central shaft of the pinch roller, and the lower end of each connecting component is rotatably connected with the fixed shaft; the distance of the counterweight structure in the vertical plane relative to the fixed shaft is achieved by adjusting the adjusting assembly. The utility model discloses a set up counter weight structure and counter weight structure adjustable for the position of fixed axle for when the connecting plate is vertical and continue backward rotatory, the pinch roller still acts on the surface that the plastic film was rolled up forcefully, at the whole in-process that rolls up the great plastic film of external diameter, 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

Bubble removing device for plastic film rewinding machine

Technical Field

The utility model relates to a rewinding machine technical field, in particular to plastic film rewinding machine is with catching up with bubble device.

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.

Some materials are softer, for example film etc. need to drive away or eliminate the bubble when rolling, especially to the great condition of the finished product roll diameter that needs the batching, and the in-process that the finished product roll diameter of receiving becomes gradually big 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 plastic film rewinding machine is with catching up with bubble device 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 bubble driving device for a plastic film rewinding machine comprises a machine table, a material collecting frame and a plurality of material rolling rollers for plastic films to bypass, wherein the material collecting frame and the material rolling rollers are mounted on the machine table;

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 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 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 locate the receipts work or material rest of rewinding machine, it includes pinch roller, counter weight structure, fixed axle and coupling assembling, pinch roller, fixed axle and receipts work or material rest all parallel arrangement, the upper end of each coupling assembling all with the both ends of the center pin of pinch roller are rotated and are connected, the lower extreme of each coupling assembling all with fixed axle rotation connection; 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 one of the schematic structural diagrams of the bubble removing device of the present invention;

fig. 3 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. 4 is a schematic view (from left or right) at the counterweight structure and fixed shaft of the present invention;

in the figure: the machine table 10, the material receiving frame 20, the material rolling roller 30, the bubble driving device 40, the pressing wheel 401, the counterweight structure 402, the fixing shaft 403, the connecting assembly 404, the connecting plate 4041, the rotating sleeve 4042, the adjusting assembly 405, the adjusting plate 4051, the adjusting block 4052 and the 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 air bubble removing device for the plastic film rewinding machine comprises a machine table 10, a material receiving frame 20 and a plurality of material rolling rollers 30 for plastic films to pass through, wherein the material receiving frame and the material rolling rollers are both mounted on the machine table, the air bubble removing device 40 is mounted on the machine table and is arranged at the material receiving frame, the air bubble removing device comprises a pressing wheel 401, a counterweight structure 402, a fixed shaft 403 and a connecting assembly 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;

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, as shown in FIG. 4.

Preferably, 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 (such as point a in the figure), and the end of a push rod of the return driving cylinder is mounted on the connecting assembly (such as point B in the figure).

In this embodiment, 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.

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

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.

The adjusting part includes regulating plate 4051, regulating block 4052 and adjusting bolt (not shown), 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 relatively fixed 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.

The weight structure is a solid metal shaft, but is not limited thereto.

The utility model discloses a theory of operation and working process 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; along with the increasing of the outer diameter of the plastic film roll, the motion direction of the pressing wheel is shown as the arrow in fig. 3, the acting force of the pressing wheel on the surface of the plastic film is smaller and smaller, if no counterweight structure is arranged, when the connecting plate vertically starts to rotate and continuously rotates, the pressing wheel does not act on the plastic film roll forcefully any more, and 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 (7)

1. The utility model provides a plastic film rewinding machine is with catching up bubble device, the rewinding machine includes board (10), receives work or material rest (20) and many be used for the plastic film to walk around roll up material roller (30), receive the work or material rest with roll up the material roller all install in the board, its characterized in that: the bubble driving device (40) is arranged on the machine table and is arranged at the material receiving frame, the bubble driving device comprises a pressing wheel (401), a balance weight structure (402), a fixed shaft (403) and connecting components (404), the pressing wheel, the fixed shaft and the material receiving frame are 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 an adjusting component (405), and the counterweight structure is adjusted to be vertical to the fixed shaft in a vertical plane (H).

2. The air bubble removing device for the plastic film rewinding machine as claimed in claim 1, wherein: 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.

3. The air bubble removing device for the plastic film rewinding machine as claimed in claim 1, wherein: 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.

4. The air bubble removing device for the plastic film rewinding machine as claimed in claim 1, wherein: 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.

5. The air bubble removing device for the plastic film rewinding machine as claimed in claim 1, wherein: 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.

6. The air bubble removing device for the plastic film rewinding machine as claimed in claim 1, wherein: the counterweight structure is a solid metal shaft.

7. The air bubble removing device for the plastic film rewinding machine as claimed in claim 3, wherein: the soft adhesive layer is a PVC layer, a polyamide elastomer layer, a polyolefin elastomer layer or a polyurethane elastomer layer.

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