CN211643995U

CN211643995U - Rolling and cutting mechanism of film blowing machine

Info

Publication number: CN211643995U
Application number: CN201922371930.9U
Authority: CN
Inventors: 郑勇; 祝万军; 陈浩
Original assignee: Chengdu Boshi Kerui New Material Co ltd
Current assignee: Chengdu Boshi Kerui New Material Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-09
Anticipated expiration: 2029-12-26

Abstract

The utility model provides a inflation film manufacturing machine rolling cutting mechanism relates to inflation film manufacturing machine technical field. At present, when the film output by the film blowing machine is cut, the film is not transversely tensioned, the cutting is not facilitated, and the curling and the burrs are easy to generate. The utility model discloses a locate first support, second support and third support on the base in proper order according to film direction of delivery, be equipped with the cutting roller on the first support, it is equipped with the cutting piece to slide on the first support of cutting roller both ends department, the internal slip of cutting is equipped with the slide bar, the slide bar is elastic sliding in the cutting piece, the slide bar tip is equipped with the guide bar, and the guide bar that protects is equipped with the cutting knife with the junction of slide bar, be equipped with the tensioning roller on the second support, be equipped with wind-up roll and drive wind-up roll pivoted driving source on the third support, elastic sliding's slide bar drives the guide bar and makes the horizontal tensioning of film, does benefit to the cutting knife cutting, prevents that turn-up and deckle edge from appearing in.

Description

Rolling and cutting mechanism of film blowing machine

Technical Field

Relate to inflation film manufacturing machine technical field, concretely relates to inflation film manufacturing machine rolling cutting mechanism.

Background

The film blowing machine is a production device which heats and melts plastic particles and blows the plastic particles into a film, and the cylindrical film is rolled into a double-layer flat film by a corresponding rolling part after the cylindrical film is blown out by wind power, so that the film is produced.

The film of present inflation film manufacturing machine output generally is by the winding mechanism rolling, and equipment still can cut the film in the rolling process for some, but can not make the horizontal tensioning of film to film cutting's equipment at present, only can make the film at its direction of delivery tensioning, consequently the easy deckle edge or the turn-up that produces of film side in the cutting process influences the yield of film, needs a urgent need to solve.

Disclosure of Invention

The utility model aims at developing a make the horizontal tensioning of film, prevent to produce turn-up or unedged inflation film manufacturing machine rolling cutting mechanism among the film cutting process.

The utility model discloses a following technical scheme realizes:

inflation film manufacturing machine rolling cutting mechanism includes first support, second support and the third support of locating on the base in proper order according to film direction of delivery, be equipped with the cutting roller on the first support, it is equipped with the cutting piece to slide on the first support of cutting roller both ends department, it is equipped with the slide bar to slide in the cutting piece, the slide bar is elastic sliding in the cutting piece, the slide bar tip is equipped with the guide bar, and the junction of guide bar and slide bar that protects is equipped with the cutting knife, be equipped with the tensioning roller on the second support, be equipped with wind-up roll and drive wind-up roll pivoted driving source on the third support, elastic sliding's slide bar drives the guide bar and makes the horizontal tensioning of film, does benefit to the cutting knife cutting, prevents that turn-up and deckle edge.

Furthermore, the first supports at the two end parts of the cutting roller are provided with cutting rails for the cutting block to slide, the cutting rails are provided with scales, and the cutting block is provided with a positioning bolt.

Furthermore, a through hole is formed in the cutting block, the sliding rod is arranged in the through hole, a first structural plate is arranged at the end part of the sliding rod, which is positioned in the through hole, a second structural plate is arranged at the outer end part of the through hole, and a spring sleeved on the periphery of the sliding rod is arranged between the first structural plate and the second structural plate.

Furthermore, the guide rod is of a round rod structure, the end part of the guide rod is spherical, and the cutting knife is an arc-shaped knife.

Furthermore, the side face of the second support, which is close to the first support, is provided with an adjusting roller in a sliding manner, the side face of the adjusting roller is provided with a linear sliding table arranged on the second support, and an executing element of the linear sliding table is connected with the adjusting roller.

Furthermore, a measuring roller is arranged on the side surface, close to the third support, of the second support, an upper support and a lower support which are arranged on the second support are respectively arranged on the upper portion and the lower portion of the measuring roller, two photoelectric switches are movably arranged on the upper support, and two reflecting plates matched with the photoelectric switches are arranged on the lower support in corresponding positions.

Furthermore, the photoelectric switch and the reflector can be fixed at any position on the upper support and the lower support respectively through bolts.

Furthermore, be equipped with the tensioning frame on the second support, be equipped with the tensioning roller on the tensioning frame, the tensioning roller is located between first support and the second support.

The utility model has the advantages that:

the utility model discloses when the film to inflation film manufacturing machine output cuts, can make the horizontal tensioning of film, prevent that deckle edge or turn-up problem from appearing in the film side, improve the yield to the rectifying system who sets up prevents the film off tracking in transportation process.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a view of the structure of the present invention;

FIG. 2 is a view of the cutting roll structure;

fig. 3 is an enlarged view of a portion a in fig. 2.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the creation of the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the embodiment discloses a rolling and cutting mechanism of a film blowing machine, which comprises a first support 2, a second support 3 and a third support 4 sequentially arranged on a base 1 according to the film conveying direction, the first bracket 2 is provided with a cutting roller 5, the first bracket 2 at the two ends of the cutting roller 5 is provided with a cutting block 17 in a sliding way, a sliding rod 23 is arranged in the cutting block 17 in a sliding manner, the sliding rod 23 elastically slides in the cutting block 17, a guide rod 24 is arranged at the end part of the sliding rod 23, a cutting knife 25 is arranged at the joint of the guide rod 24 and the sliding rod 23, be equipped with tensioning roller 6 on the second support 3, be equipped with wind-up roll 9 and drive wind-up roll 9 pivoted driving source on the third support 4, the gliding slide bar 23 of elasticity drives guide bar 24 and makes the horizontal tensioning of film, does benefit to the cutting knife 25 cutting, prevents that turn-up and deckle edge from appearing in the film side.

Specifically, three supports, namely a first support 2, a second support 3 and a third support 4, are sequentially arranged on a base 1 according to the conveying direction of a film, a cutting roller 5 is arranged on the first support 2, the cutting roller 5 is horizontally arranged on the first support 2, two cutting rails 21 are arranged on the first support 2, the two cutting rails 21 are arranged on the first support 2 at two ends of the cutting roller 5, the cutting rails 21 are arranged on the side surface of the cutting roller 5, the film passes through the cutting roller 5 and then passes above the cutting rails 21, scales 22 are arranged on the side surface of each cutting rail 21, a cutting block 17 is slidably arranged on each cutting rail 21, a through hole 19 is formed in each cutting block 17, the outer end part of each through hole 19 is located on the side surface where the two cutting blocks 17 are close to each other, a sliding rod 23 is arranged in each through hole 19, the sliding rod 23 is parallel to the axial direction of the cutting roller 5, a first structural plate 20 is arranged at the end part, a second structural plate 26 is arranged at the outer end part of the through hole 19, a spring 27 is arranged between the first structural plate 20 and the second structural plate 26, the spring 27 is sleeved on the periphery of the sliding rod 23, under the elastic force of the spring 27, the end part of the sliding rod 23 is positioned at the inner end part of the through hole 19, a guide rod 24 vertical to the sliding rod 23 is arranged at the outer end part of the sliding rod 23, the guide rod 24 is of a round rod structure, the end part of the guide rod 24 is spherical, the guide rod 24 is parallel to the conveying track of the film at the position of the guide rod 24, a cutting knife 25 is arranged at the connecting part of the guide rod 24 and the sliding rod 23, the cutting knife 25 is parallel to the guide rod 24, the cutting knife 25 is an arc-shaped knife, a positioning bolt 18 is further arranged on the cutting block 17, the cutting block 17 is slid, the position of the cutting block 17 is adjusted according to the width of the film, the guide rods 24 are positioned between the two layers of films, and under the action of the springs 27, the guide rods 24 on the two sides of the cutting roller 5 apply forces towards the two ends of the films, so that the films are tensioned transversely, and the cutting of the cutting knife 25 is facilitated.

The side that the second support 3 is close to first support 2 is equipped with adjusting block 14, adjusting block 14 horizontal arrangement, it is equipped with adjusting roller 7 to slide on adjusting block 14, be equipped with sharp slip table 15 in the adjusting block 14, the executive component and the adjusting roller 7 of sharp slip table 15 are connected, and sharp slip table 15 can drive adjusting roller 7 and go on the level at adjusting block 14 and control the translation, second support 3 opposite side is equipped with measuring roller 8, measuring roller 8 horizontal arrangement, measuring roller 8 and adjusting roller 7 coplanar arrangement, measuring roller 8 upper portion and lower part are equipped with upper bracket 10 and the lower carriage 12 that sets up on second support 3 respectively, be equipped with two photoelectric switch 11 on upper bracket 10, photoelectric switch 11 can pass through bolt fixed connection in upper bracket 10 optional position, be equipped with two on the lower carriage 12 with photoelectric switch 11 complex reflector panel 13, the reflector 13 can pass through bolt fixed connection in optional position on the lower carriage 12, according to the width of film and the position of carrying two photoelectric switch 11 of orbit adjustment and the reflector 13 that corresponds, make photoelectric switch 11 be located directly over reflector 13, if the film is at the off tracking of transportation process, film one side can shelter from between photoelectric switch 11 and the reflector 13 of relevant position, straight line slip table 15 drive adjusting roller 7 carries out the displacement to the transport orbit of adjustment film, make the film rectify and return just.

The top of second support 3 still is equipped with tensioning frame 16, tensioning frame 16 is extended to first support 2 one side by the 3 tops of second support, 16 bottoms of tensioning frame are equipped with tensioning roller 6, tensioning roller 6 is located between first support 2 and second support 3, is equipped with wind-up roll 9 on the third support 4, third support 4 department corresponds and is equipped with drive wind-up roll 9 pivoted driving source, passes through drive chain drive wind-up roll 9 including the motor and rotates, and the film is rolled by wind-up roll 9.

The film by inflation film manufacturing machine output is at first exported to cutting block 17 department by cutting 5 tops of roller, guide bar 24 makes the horizontal tensioning of film, do benefit to cutting knife 25 and the cutting of film side, double-deck film after the cutting gets into tensioning roller 6 bottoms, export to adjusting roller 7 tops by tensioning roller 6 bottoms, get into measuring roller 8 tops by adjusting roller 7 tops again, if the off tracking takes place for the film, the 7 horizontal migration of sharp slip table 15 drive adjusting roller realizes rectifying to the film, the film after rectifying gets into wind-up roll 9 and is rolled, the utility model discloses when cutting the film of inflation film manufacturing machine output, can make the horizontal tensioning of film, prevent that deckle edge or turn-up problem from appearing in the film side, improve the yield to the rectifying system who sets up prevents the film off tracking in transportation process.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.

Claims

1. Inflation film manufacturing machine rolling cutting mechanism, its characterized in that includes and locates first support, second support and third support on the base in proper order according to film direction of delivery, be equipped with the cutting roller on the first support, it is equipped with the cutting piece to slide on the first support of cutting roller both ends department, the cutting piece internal slip is equipped with the slide bar, the slide bar is elastic sliding in the cutting piece, the slide bar tip is equipped with the guide bar, and the guide bar that protects is equipped with the cutting knife with the junction of slide bar, be equipped with the tensioning roller on the second support, be equipped with wind-up roll and drive wind-up roll pivoted driving source on the third support.

2. The winding and cutting mechanism of the film blowing machine according to claim 1, wherein the first brackets at the two end parts of the cutting roller are provided with cutting rails for the cutting block to slide, the cutting rails are provided with scales, and the cutting block is provided with a positioning bolt.

3. The rolling and cutting mechanism of a film blowing machine according to claim 2, characterized in that a through hole is arranged in the cutting block, the sliding rod is arranged in the through hole, a first structural plate is arranged at the end part of the sliding rod in the through hole, a second structural plate is arranged at the outer end part of the through hole, and a spring sleeved on the periphery of the sliding rod is arranged between the first structural plate and the second structural plate.

4. The rolling and cutting mechanism of the film blowing machine according to claim 3, wherein the guide rod is of a round rod structure, the end part of the guide rod is spherical, and the cutting knife is an arc-shaped knife.

5. The winding and cutting mechanism of the film blowing machine as claimed in claim 4, wherein the second support is provided with an adjusting roller in a sliding manner on a side surface close to the first support, the side surface of the adjusting roller is provided with a linear sliding table arranged on the second support, and an actuating element of the linear sliding table is connected with the adjusting roller.

6. The winding and cutting mechanism of the film blowing machine according to claim 5, characterized in that a measuring roller is arranged on the side surface of the second support close to the third support, an upper support and a lower support arranged on the second support are respectively arranged on the upper portion and the lower portion of the measuring roller, two photoelectric switches are movably arranged on the upper support, and two reflecting plates matched with the photoelectric switches are arranged on the lower support at corresponding positions.

7. The rolling and cutting mechanism of the film blowing machine according to claim 6, wherein the photoelectric switch and the reflector can be fixed by bolts at any position on the upper bracket and the lower bracket respectively.

8. The rolling and cutting mechanism of the film blowing machine according to claim 7, characterized in that a tensioning frame is arranged on the second support, a tensioning roller is arranged on the tensioning frame, and the tensioning roller is arranged between the first support and the second support.