CN210174191U

CN210174191U - Film blowing machine

Info

Publication number: CN210174191U
Application number: CN201920968406.7U
Authority: CN
Inventors: Changzhong Qiao; 乔长忠; Youquan Yang; 杨友全
Original assignee: Hubei Changzheng Packaging Co Ltd
Current assignee: Hubei Changzheng Packaging Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-03-24
Anticipated expiration: 2029-06-25

Abstract

The utility model provides a film blowing machine, include: the film winding device comprises a rack, a first driven roller, a second driven roller and a winding roller, wherein the first driven roller and the second driven roller are rotatably installed on the rack, the film is fixed on the winding roller through the rear end parts of the first driven roller and the second driven roller, so that the film can be wound on the winding roller after the winding roller rotates, a moving mechanism is installed on the rack and connected with the first driven roller, and the distance between the first driven roller and the second driven roller can be changed when the moving mechanism runs. The utility model provides an installation is fixed with the moving mechanism who is used for removing first driven voller on the inflation film manufacturing machine, and moving mechanism is including adjust cylinder and rotor arm for can promote the rotor arm and rotate certain angle when adjust cylinder during operation, the operator of being convenient for passes the film tip between first driven voller and the second driven voller, makes that the operator can be convenient pass two driven vollers with the film.

Description

Film blowing machine

Technical Field

The utility model relates to an equipment technical field for the packing, concretely relates to inflation film manufacturing machine.

Background

The film blowing is a plastic bag processing method, and is characterized by that the molten material plasticized by machine cylinder of extruder is passed through forming grinding tool to support cylindrical film blank and extruded, then the air with a certain pressure is blown into the cylinder to blow the cylindrical film blank plastic to attain the film cylinder diameter and thickness required for production, and then cooled and formed into film product. Such blown films are generally produced from polyethylene, polypropylene and polyvinyl chloride resins. The film formed by film blowing has uniform and clean color and good finished product stretch. The equipment used for film blowing processing is a film blowing machine.

In the prior art, the production steps mainly include that a blank is extruded from an extruder and then is subjected to a series of operations to form a film, an operator pulls the end of the film to a winding roller to be fixed, the film is stretched to form tension, and the film is wound on a roller body under the rotation of the winding roller. The film blowing machine has the following defects: the film is drawn to the wind-up roll from the extruder, a plurality of driven rolls are needed to keep the film tension, the distance between the two driven rolls is too small, so that the end part of the film is inconvenient to penetrate through the two driven rolls, in addition, when the end part of the film is fixed on the wind-up roll, the wind-up roll is far away from the extruder (generally, the film is extruded by the extruder and then is molded by a high film blowing machine), so that after the wind-up roll is wound by a certain thickness, each layer of film can deviate, and the wound film cylinder is not tidy enough and is inconvenient to store and transport.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is that the distance undersize between two driven vollers on the present inflation film manufacturing machine leads to passing the film for the first time two driven voller trouble problems, to the above-mentioned not enough and provide an inflation film manufacturing machine that exists among the prior art.

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

a film blowing machine comprising: the film winding device comprises a rack, a first driven roller, a second driven roller and a winding roller, wherein the first driven roller and the second driven roller are rotatably installed on the rack, the film is fixed on the winding roller through the rear end parts of the first driven roller and the second driven roller, so that the film can be wound on the winding roller after the winding roller rotates, a moving mechanism is installed on the rack and connected with the first driven roller, and the distance between the first driven roller and the second driven roller can be changed when the moving mechanism runs.

Furthermore, the moving mechanisms are provided with two moving mechanisms which are respectively installed at two ends of the first driven roller, each moving mechanism comprises an adjusting cylinder and a rotating arm, one end of each adjusting cylinder is hinged to a side plate which is vertically fixed on the rack, the other end of each adjusting cylinder is hinged to the corresponding rotating arm, the rotating arms and the adjusting cylinders are respectively located on two sides of the side plates, the rotating arms are hinged to the inner sides of the side plates, and the end portions of the rotating arms are connected with the end portions of the first driven roller so as to drive the rotating arms to rotate after the adjusting cylinders work.

Further, the end part of the adjusting cylinder connected with the rotating arm is positioned outside the side plate.

Further, inflation film manufacturing machine is still including the adjustment mechanism who is used for adjusting winding film position on the wind-up roll, adjustment mechanism includes two regulating plates, guide bar and screw rod, the guide bar passes on two regulating plate after-fixing in the frame that are located the wind-up roll tip, screw rod and two regulating plate threaded connection, and the screw rod tip stretches out with the frame side to after rotating the hand wheel that is located the screw rod tip, two regulating plates can be close to each other in order to press from both sides the film of rolling up on the wind-up roll, and can make two regulating plates keep away from each other after the counter-rotation hand wheel.

Furthermore, holes for the wind-up roll to pass through are formed in the two adjusting plates.

Furthermore, nuts in threaded connection with the screw rods are fixed on the two adjusting plates, and the screwing directions of the two nuts are opposite.

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

the utility model provides a film blowing machine is fixed with the moving mechanism who is used for removing first driven voller in the installation, and the moving mechanism includes air cylinder and rotor arm, makes can promote the rotor arm and rotate certain angle when air cylinder works, and makes the first driven voller of rotor arm tip can remove the distance with the second driven voller, and the operator of being convenient for passes the film tip between first driven voller and the second driven voller, and can resume original distance with the distance between first driven voller and the second driven voller after the air cylinder returns; additionally, the utility model discloses a inflation film manufacturing machine still includes adjustment mechanism, and it has included guide bar and two regulating plates, and two regulating plate threaded connection have the screw rod, through the hand wheel of rotating the screw rod tip for the screw rod rotates, thereby changes the distance of two regulating plates, makes the orderly rolling of film between two regulating plates twine on the wind-up roll.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a front view of a film blowing machine;

FIG. 2 is a diagram showing the working state of the film blowing machine;

FIG. 3 is a schematic view of a moving mechanism;

fig. 4 is an enlarged view of a portion a in fig. 1.

The reference numbers in the figures are in order: the film winding machine comprises a frame 1, a side plate 11, a first driven roller 2, a second driven roller 3, a winding roller 4, a moving mechanism 5, an adjusting cylinder 51, a rotating arm 52, an adjusting mechanism 6, an adjusting plate 61, a guide rod 62, a screw 63, a hand wheel 64 and a film 7.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

a film blowing machine, as shown in fig. 1 and 2, comprising: frame 1, first driven voller 2, second driven voller 3 and wind-up roll 4, first driven voller 2 and second driven voller 3 all rotate and install in frame 1, and film 7 is extruded from the extruder, walks around the driven voller of the highest department on frame 1 (still can have a plurality of driven voller on the frame 1, but this is prior art, and therefore no longer repeated description), and end fixing is on above-mentioned wind-up roll 4 behind first driven voller 2 and second driven voller 3 for wind-up roll 4 rotates and to be able to twine film 7 on it, and wind-up roll 4 is installed on winding mechanism, and wind-up roll 4 end connection has driving motor, install moving mechanism 5 on the frame 1, moving mechanism 5 is connected with first driven voller 2 to can change the distance between first driven voller 2 and the second driven voller 3 when moving mechanism 5 operates.

Further, the two moving mechanisms 5 are respectively installed at two ends of the first driven roller 2, when the film 7 is used, two adjusting cylinders 51 can be operated to operate simultaneously by pressing down an air control valve, the moving mechanism 5 comprises the adjusting cylinders 51 and rotating arms 52, a link mechanism is formed among the adjusting cylinders 51, the rotating arms 52 and the first driven roller 2, one end of each adjusting cylinder 51 is hinged to the side plate 11 which is vertically fixed on the rack 1, the other end of each adjusting cylinder 51 is hinged to the corresponding rotating arm 52, the rotating arms 52 and the adjusting cylinders 51 are respectively located at two sides of the side plate 11, the rotating arms 52 are hinged to the inner side of the side plate 11, the end parts of the rotating arms are connected with the end parts of the first driven roller 2, the rotating arms 52 can be driven to rotate around points of the rotating arms hinged to the side plate 11 after the adjusting cylinders 51 work, the first driven roller 2 at the end parts can be driven to move after the two rotating arms 52 rotate, and the distance between the first driven roller 2 and the Two driven rollers 3.

Further, the end of the adjusting cylinder 51 connected to the rotating arm 52 is located outside the side plate 11, and since the rotating arm 52 and the adjusting cylinder 51 are located on both sides of the side plate 11, in order to facilitate the adjusting cylinder 51 to drive the rotating arm 52 to rotate, a part of the rotating arm 52 is disposed outside the side plate 11, so that the rotating arm 52 and the adjusting cylinder 51 can be directly connected, and at the same time, the stroke of the adjusting cylinder 51 can be satisfied, and the rotating arm 52 does not collide with the side plate 11.

Further, the film blowing machine further comprises an adjusting mechanism 6 for adjusting the position of the film 7 wound on the winding roller 4, wherein the adjusting mechanism 6 comprises two adjusting plates 61, a guide rod 62 and a screw 63, the guide rod 62 passes through the two adjusting plates 61 positioned at the end parts of the winding roller 4 and then is fixed on the frame 1, the screw 63 is in threaded connection with the two adjusting plates 61, and the end parts of the screw 63 extend out of the side surface of the frame 1, so that after a hand wheel 64 positioned at the end part of the screw 63 is rotated, the two adjusting plates 61 can approach each other to clamp the film 7 wound on the winding roller 4, and after the hand wheel 64 is rotated reversely, the two adjusting plates 61 can be far away from each other; in this embodiment, the problem that the film 7 is not neat after being rolled up in the prior art is solved by the arrangement of the adjusting mechanism 6, the distance between the two adjusting plates 61 can be changed by the screw 63 by rotating the hand wheel 64, the film 7 is limited between the two adjusting plates 61, the winding roller 4 can be wound neatly under the limitation of the two adjusting plates 61 after being rotated, the structure of the hand wheel 64 is the prior art, and the shape of the adjusting plate 61 can be determined by the thickness of the film 7 on the winding roller 4.

Further, the two adjusting plates 61 are provided with holes for the wind-up roll 4 to pass through, so that the adjusting plates 61 can move on the wind-up roll 4 and can not limit the wind-up roll 4 to rotate.

Furthermore, nuts in threaded connection with the screw 63 are fixed on the two adjusting plates 61, and the rotation directions of the two nuts are opposite; the structure is a concrete structure for realizing the transverse movement of the two adjusting plates 61, and the nut and the adjusting plates 61 are welded and fixed.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A film blowing machine comprising: the film winding device comprises a rack, a first driven roller, a second driven roller and a winding roller, wherein the first driven roller and the second driven roller are rotatably installed on the rack, and a film is fixed on the winding roller through the rear end parts of the first driven roller and the second driven roller, so that the film can be wound on the winding roller after the winding roller rotates.

2. The film blowing machine according to claim 1, wherein the two moving mechanisms are respectively installed at two ends of the first driven roller, each moving mechanism comprises an adjusting cylinder and a rotating arm, one end of each adjusting cylinder is hinged to a side plate which is vertically fixed on the machine frame, the other end of each adjusting cylinder is hinged to the corresponding rotating arm, the rotating arms and the adjusting cylinders are respectively located on two sides of the corresponding side plate, the rotating arms are hinged to the inner sides of the side plates, and the end portions of the rotating arms are connected with the end portions of the first driven roller so as to drive the rotating arms to rotate after the adjusting cylinders work.

3. The film blowing machine of claim 2, wherein the end of the adjusting cylinder connected to the rotating arm is located outside the side plate.

4. The inflation film manufacturing machine of claim 3, characterized in that, the inflation film manufacturing machine is still including the adjustment mechanism who is used for adjusting winding roller winding film position, adjustment mechanism includes two regulating plates, guide bar and screw rod, the guide bar passes on two regulating plates post-fixing in the frame that are located the wind-up roll tip, screw rod and two regulating plate threaded connection, and the screw rod tip stretches out the frame side to behind the hand wheel that rotates to be located the screw rod tip, two regulating plates can be close to each other in order to press from both sides the film of rolling up on the wind-up roll, and can make two regulating plates keep away from each other after the contra rotation hand wheel.

5. The film blowing machine according to claim 4, wherein the two adjusting plates are provided with holes for the wind-up roll to pass through.

6. The film blowing machine of claim 5, wherein nuts threadedly connected with the screw rods are fixed on the two adjusting plates, and the rotation directions of the two nuts are opposite.