CN211031211U

CN211031211U - Die head of film blowing machine

Info

Publication number: CN211031211U
Application number: CN201921967541.6U
Authority: CN
Inventors: 杨月玲; 杨静
Original assignee: Jinhu Jixin Technology Co ltd
Current assignee: Jinhu Jixin Technology Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-17
Anticipated expiration: 2029-11-14

Abstract

The utility model relates to the technical field of film blowing machines, and discloses a die head of a film blowing machine, which comprises a cylinder, a heating coil is fixedly wound on the outer side of the cylinder, an opening is arranged on the upper wall surface of the cylinder, a feeding column is fixedly arranged above the cylinder, the interior of the feeding column is communicated with the interior of the cylinder, a feeding port is arranged on the side wall of the feeding column, a trapezoidal block I is arranged below the feeding column, the opening of the die head of the existing partial film blowing machine is larger, when the plastic film is blown out, the plastic film is required to be adhered to seal the opening, a large amount of plastic colloid is wasted during film blowing of the partial film blowing machine, the trapezoidal block I is arranged and has a structure with a larger upper part and a smaller lower part, the plastic colloid can be slowly gathered at a circular opening along the inclined wall surface of the trapezoidal block I, at the moment, a sliding rod slides, a small amount of plastic colloid flowing out of the round opening is bonded together, so that the material of the plastic colloid is saved.

Description

Die head of film blowing machine

Technical Field

The invention relates to the technical field of film blowing machines, in particular to a die head of a film blowing machine.

Background

The film blowing machine heats and melts plastic particles and then blows the plastic particles into films, and the films produced by the film blowing machine are suitable for packaging various high-grade films. The film has good barrier property, fresh keeping, moisture prevention, frost prevention, oxygen isolation and oil resistance, and can be widely used for light and heavy packages such as various fresh fruits, meat food, pickles, fresh milk, liquid beverages, medical supplies and the like, but the film does not use garbage plastics as raw materials and uses plastic particle raw materials. The quality of the blown film depends on the structure of a die head of a film blowing machine, the existing die head part is used for blowing air in a single hole, the blowing direction of the air blown by the single hole is single, the stress of the plastic film is uneven, when the stress of the plastic film is uneven, the thickness of the plastic film is uneven, the quality requirement of the plastic film is high, the plastic film with uneven thickness wastes plastic materials, and the quality is poor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the die head of the film blowing machine, which has the advantages of material saving, uniform film blowing and the like and solves the problem of non-uniform thickness of a plastic film.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a die head of inflation film manufacturing machine, which comprises a cylindrical body, the cylinder is the annular piece of circle, the cylinder is inside hollow structure, the fixed winding in outside of cylinder has heating coil, the opening has been seted up to the top wall of cylinder, the top fixed mounting of cylinder has the feeding post, the feeding post is the annular piece of circle, the feeding post is hollow structure, and the inner circle of feeding post is the same with the inner circle size of cylinder, the opening has equally been seted up to the position that the below wall of feeding post is close to the inner circle, the inside of feeding post and the inside of cylinder are linked together, the feed inlet has been seted up on the lateral wall of feeding post, the feed inlet is round.

Preferably, the lower extreme fixed mounting of cylinder has trapezoidal piece one, and trapezoidal piece one is trapezoidal cylindrical piece, and trapezoidal piece one is the big little structure in below in top, and circular opening has been seted up to the below wall of trapezoidal piece one, and circular opening communicates the inside of trapezoidal piece one.

Preferably, the lower wall surface of the first trapezoidal block is fixedly provided with a vertical rod, the vertical rod is a square rod, a clamping groove is formed in the position, close to the first trapezoidal block, of the vertical rod, the clamping groove is a square groove, a sliding rod is movably mounted in the clamping groove through a hinge, and the clamping groove of the sliding rod is a circle center and moves in a circular arc shape on the lower wall surface of the first trapezoidal block.

Preferably, fixed mounting has trapezoidal piece two on the outside wall of trapezoidal piece one, and trapezoidal piece two is trapezoidal cylindrical shape, and trapezoidal piece two is hollow structure, has seted up the air intake on the lateral wall of trapezoidal piece two, and the air intake is circular shape mouth, and the air intake has two, two air intake bilateral symmetry, and blow hole has been seted up to trapezoidal piece two below walls, and blow hole is circular shape hole, and the quantity of blow hole sets up according to the size of trapezoidal piece two.

Preferably, a ventilation pipeline is fixedly installed on the inner ring of the feeding column, the ventilation pipeline is a cylindrical pipe, the ventilation pipeline penetrates through the inner ring of the feeding column and extends to the upper wall surface of the first trapezoidal block, and the inside of the ventilation pipeline is communicated with the inside of the first trapezoidal block.

(III) advantageous effects

Compared with the prior art, the invention provides a die head of a film blowing machine, which has the following beneficial effects:

1. this inflation film manufacturing machine's die head, through having set up trapezoidal piece one, current partial inflation film manufacturing machine die head opening is great, when blowing out the plastic film, need adhere the plastic film and seal the opening, just at this moment need a large amount of plastic colloids just can flow and cohere together, later just can blow out the plastic film, actually blow out the plastic film and need not a large amount of plastic colloids, partial inflation film manufacturing machine has wasted a large amount of plastic colloids when blowing the film, set up the die head of trapezoidal piece, trapezoidal piece one is the big little structure in below in top, let the plastic colloid slowly assemble at circular opening part along the slope wall of trapezoidal piece one, slide bar at this moment, the slide bar is arc motion at the below wall of trapezoidal piece one, cohere the plastic colloid that flows circular opening in a small amount together, the material of plastic colloid has been practiced thrift.

2. This inflation film manufacturing machine's die head, through having set up heating coil, plastic granules's melting point is higher, and at normal atmospheric temperature, plastics majority all is solidified, so at inflation film manufacturing machine during operation, will guarantee that the plastic colloid is the plastic film that just can blow off in die head department of liquid, has installed heating coil in the cylinder outside, has prevented the condition that the plastic colloid solidifies when flowing.

3. This film blowing machine's die head, through having set up trapezoidal piece two, the outer wall at trapezoidal piece one is installed to trapezoidal piece two, trapezoidal piece two is the big structure in the little below in top, the blow hole has been seted up on trapezoidal piece two, the quantity of blow hole sets up according to the size of trapezoidal piece two, when air pipe blows off the plastic film from circular opening, because air pipe single blow can let the atress of plastic film inhomogeneous, make the thickness of plastic film differ, the blow hole of seting up on trapezoidal piece two is simultaneously bloied the plastic film, make the atress of plastic film even, the thickness of whole plastic film is about the same, the quality of the plastic film that the film blowing machine blew off has been improved.

Drawings

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

FIG. 2 is an enlarged view of a portion A of the structure of the present invention;

FIG. 3 is a schematic top view of the structure of the present invention.

Fig. 4 is a perspective view of the present invention.

In the figure: the device comprises a cylinder 1, a heating coil 2, a feeding column 3, a feeding hole 4, a trapezoidal block I5, a circular opening 6, a vertical rod 7, a clamping groove 8, a sliding rod 9, a trapezoidal block II 10, an air inlet 11, an air blowing hole 12 and a ventilation pipeline 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a die head of a film blowing machine comprises a cylinder 1, the cylinder 1 is a circular ring-shaped block, the cylinder 1 is a hollow structure, a heating coil 2 is fixedly wound on the outer side of the cylinder 1, the heating coil 2 is a heating device, the heating coil 2 is a conventional structure, details are not repeated herein, an opening is formed on the upper wall surface of the cylinder 1, a feeding column 3 is fixedly installed above the cylinder 1, the feeding column 3 is a circular ring-shaped block, the feeding column 3 is a hollow structure, the size of the inner ring of the feeding column 3 is the same as that of the inner ring of the cylinder 1, an opening is also formed on the lower wall surface of the feeding column 3 near the inner ring, the interior of the feeding column 3 is communicated with the interior of the cylinder 1, a feeding port 4 is formed on the side wall of the feeding column 3, the feeding port 4 is a circular opening, when plastic colloid flows into the cylinder 1 from the, in order to prevent the colloid from being cooled in the process, a heating coil 2 is used for heating, the flowing property of the colloid is guaranteed, the plastic is kept, a trapezoidal block I5 is fixedly installed at the lower end of a cylinder 1, the trapezoidal block I5 is a trapezoidal cylindrical block, the trapezoidal block I5 is of a structure with a large upper part and a small lower part, a round opening 6 is formed in the lower wall surface of the trapezoidal block I5, the round opening 6 is communicated with the inside of the trapezoidal block I5, a vertical rod 7 is fixedly installed on the lower wall surface of the trapezoidal block I5, the vertical rod 7 is a square rod, a clamping groove 8 is formed in the position, close to the trapezoidal block I5, of the vertical rod 7, the clamping groove 8 is a square groove, a sliding rod 9 is movably installed in the clamping groove 8 through a hinge, the sliding rod 9 performs arc-shaped movement on the lower wall surface of the trapezoidal block I5 by taking the clamping groove 8 as the circle center, the second trapezoidal block 10 is of a hollow structure, the side wall of the second trapezoidal block 10 is provided with two air inlets 11, the air inlets 11 are circular ports, the number of the air inlets 11 is two, the two air inlets 11 are bilaterally symmetrical, the wall surface below the second trapezoidal block 10 is provided with air blowing holes 12, the air blowing holes 12 are circular holes, the number of the air blowing holes 12 is set according to the size of the second trapezoidal block 10, the inner ring of the feeding column 3 is fixedly provided with a ventilation pipeline 13, the ventilation pipeline 13 is a cylindrical pipe, the ventilation pipeline 13 penetrates through the inner ring of the feeding column 3 and extends to the upper wall surface of the first trapezoidal block 5, the inside of the ventilation pipeline 13 is communicated with the inside of the first, when the plastic colloid flows into the first trapezoidal block 5 from the inside of the cylinder 1, the plastic colloid flows out from the round opening 6 arranged below the first trapezoidal block 5, at this time, the slide bar 9 is moved to stick the plastic colloid together, and the ventilation duct 13 and the blowholes 12 start to work simultaneously to blow out the plastic film.

When in use, the utility model is used,

first, the inside plastic colloid of feeding column 3 flows into the inside of cylinder 1, the heating coil 2 of 1 outer lane of cylinder heats the plastic colloid, prevent that the plastic colloid from slowly solidifying at the flow in-process, when the plastic colloid flows into trapezoidal piece 5 from the inside of cylinder 1 in, the circular opening 6 that the plastic colloid was seted up from trapezoidal piece 5 below flows out, at this moment remove slide bar 9, cohere the plastic colloid together, ventilation pipe 13 begins to blow simultaneously with blow hole 12, ventilation pipe 13 blows into the film of plastics with the plastic colloid drum from inside, blow hole 12 carries out the secondary to the plastic film that has blown, the position of fixed plastic film with let the plastic film receive blow more evenly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a die head of inflation film manufacturing machine, includes cylinder (1), its characterized in that: the cylinder (1) is of an internal hollow structure, a heating coil (2) is fixedly wound on the outer side of the cylinder (1), an opening is formed in the upper wall surface of the cylinder (1), a feeding column (3) is fixedly mounted above the cylinder (1), a feeding port (4) is formed in the side wall of the feeding column (3), a trapezoidal block I (5) is fixedly mounted at the lower end of the cylinder (1), a vertical rod (7) is fixedly mounted on the lower wall surface of the trapezoidal block I (5), a clamping groove (8) is formed in the position, close to the trapezoidal block I (5), on the vertical rod (7), a trapezoidal block II (10) is fixedly mounted on the outer side wall surface of the trapezoidal block I (5), a blowing hole (12) is formed in the lower wall surface of the trapezoidal block II (10), a ventilation pipeline (13) is fixedly mounted on the inner ring of the feeding column (3), and the ventilation pipeline (13) penetrates through the inner ring of the feeding column, the inside of the ventilation pipeline (13) is communicated with the inside of the trapezoidal block I (5).

2. The die head of the film blowing machine according to claim 1, characterized in that: the feeding column (3) is of a hollow structure, the size of an inner ring of the feeding column (3) is the same as that of an inner ring of the cylinder (1), an opening is also formed in the position, close to the inner ring, of the lower wall surface of the feeding column (3), and the interior of the feeding column (3) is communicated with the interior of the cylinder (1).

3. The die head of the film blowing machine according to claim 1, characterized in that: the first trapezoid block (5) is of a structure with a large upper part and a small lower part, a circular opening (6) is formed in the wall surface of the lower part of the first trapezoid block (5), and the circular opening (6) is communicated with the inside of the first trapezoid block (5).

4. The die head of the film blowing machine according to claim 1, characterized in that: a sliding rod (9) is movably arranged in the clamping groove (8) through a hinge, and one clamping groove of the sliding rod (9) is a circle center and moves in a circular arc shape on the lower wall surface of the trapezoidal block I (5).

5. The die head of the film blowing machine according to claim 1, characterized in that: the second trapezoid block (10) is of a structure with a small upper part and a large lower part, the second trapezoid block (10) is of a hollow structure, the side wall of the second trapezoid block (10) is provided with two air inlets (11), and the two air inlets (11) are bilaterally symmetrical.