CN210174189U

CN210174189U - Vertical film blowing device of small-size wrapping bag

Info

Publication number: CN210174189U
Application number: CN201920853038.1U
Authority: CN
Inventors: Hu Tang; 汤虎
Original assignee: Xinchen Packaging Products Shenzhen Co Ltd
Current assignee: Xinchen Packaging Products Shenzhen Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-03-24
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a vertical film blowing device of a small-sized packaging bag, which is formed by connecting a material connecting pipe, an intermediate member, an extrusion forming die and an upper pressing seat in turn through a locking piece; wherein the extrusion forming die is provided with a die clearance hole and a through air outlet, and the lower end of the air outlet is connected with a film blowing block blowing air to the air outlet; the middle part of the intermediate member is provided with a through opening, a stepped groove is arranged in the opening, one side of the upper end of the opening is provided with a side opening groove, and the film blowing block is arranged on the stepped groove through the side opening groove and forms a detachable connecting structure with the intermediate member and the extrusion forming die; the utility model aims at providing a vertical blown film device of small-size wrapping bag aims at carrying out fast assembly and dismantlement to whole blown film device for it is more convenient to maintain.

Description

Vertical film blowing device of small-size wrapping bag

Technical Field

The utility model belongs to the technical field of the wrapping bag processing, specifically be a vertical blown film device of small-size wrapping bag.

Background

At present, the packaging bags are greatly applied to the current daily life and work due to the convenience of the packaging bags in the using and carrying processes, and the plastic packaging bags are particularly widely applied due to the unique sealing property and the portability of the plastic bags in various packaging bags, and the plastic bags comprise polyethylene plastic bags, polypropylene plastic bags and polyvinyl chloride plastic bags, so that the plastic bags can protect products, facilitate storage and transportation, and promote sale and beautification of the products.

When production plastic packaging bag, utilize the extruder to carry out the melting with plastic granules, recycle inflation film forming mechanism evenly blows off the material of melting, because need regularly clear up the slag clout of cooling in inside, and inflation film manufacturing machine structure among the prior art is complicated, and it is inconvenient to dismantle, especially to the inflation film manufacturing machine of vertical structure, certain height has increaseed the installation again or has dismantled the degree of difficulty, to this, it is necessary to develop a neotype inflation film manufacturing device to solve not enough among the prior art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a vertical blown film device of small-size wrapping bag is provided, aim at carrying out fast assembly and dismantlement to whole blown film device for it is more convenient to maintain.

In order to realize the above purpose, the utility model adopts the technical scheme that: the film blowing device is formed by sequentially connecting a material connecting pipe, an intermediate member, an extrusion forming die and an upper pressing seat through locking pieces; wherein:

the extrusion forming die is internally provided with a die clearance hole and a through air outlet, and the lower end of the air outlet is connected with a film blowing block blowing air to the air outlet;

the middle part of the intermediate member is provided with a through opening, a step groove is arranged in the opening, a side opening groove is formed in one side of the upper end of the intermediate member, and the film blowing block is installed on the step groove through the side opening groove and forms a detachable connecting structure with the intermediate member and the extrusion forming die.

Furthermore, the lower end of the film blowing block is of a conical structure, so that the clearance hole of the neck ring mold is communicated with the opening to form a diamond shape.

Furthermore, a second air guide hole communicated with the air outlet and a first air guide hole perpendicular to the second air guide hole are formed in the film blowing block, and an air guide pipe is arranged on the first air guide hole.

Furthermore, a sealing sleeve is sleeved on the air duct.

Furthermore, the air duct is provided with external threads.

Further, a sealing ring is arranged between the film blowing block and the intermediate member.

Furthermore, the device also comprises a filter screen which is arranged at the lower end of the opening.

Compared with the prior art, the beneficial effects of the utility model are that: the device has simple structure, and the film blowing block is arranged in the middle of the intermediate member and the extrusion forming die, thereby not only improving the stability of the whole film blowing device, but also being beneficial to replacement; in addition, by arranging the sealing ring and the sealing sleeve, the sealing performance of the whole installation part is improved, and meanwhile, rigid contact is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic view showing a connection structure of the intermediate member and the extrusion molding die.

The text labels in the figures are represented as: 1. material pipe connection; 2. an intermediate member; 3. extruding and forming a mould; 4. an upper pressing seat; 5. a filter screen; 6. a locking member; 7. blowing the membrane block; 8. a seal ring; 9. an air duct; 10. sealing sleeves; 11. a die clearance hole; 101. a material inlet; 201. an opening; 202. mounting holes; 203. a side port groove; 701. a first air guide hole; 702. a second air guide hole; 703. an air outlet; 901. and (4) external threads.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

As shown in fig. 1-3, the specific structure of the present invention is: the film blowing device is formed by sequentially connecting a material connecting pipe 1, an intermediate member 2, an extrusion forming die 3 and an upper pressing seat 4 through a locking member 6; wherein: the extrusion forming die 3 is internally provided with a die clearance hole 11 and a through air outlet 703, and the lower end of the air outlet 703 is connected with a film blowing block 7 blowing air to the air outlet 703; the middle part of the intermediate member 2 is provided with a through opening 201, a step groove is arranged in the opening 201, a side opening groove 203 is formed in one side of the upper end, and the film blowing block 7 is installed on the step groove through the side opening groove 203 and forms a detachable connecting structure with the intermediate member 2 and the extrusion forming die 3.

Preferably, in order to prevent residues from remaining in the materials, the lower end of the film blowing block 7 is designed to be in a conical structure, so that the mouth mold clearance hole 11 and the opening are communicated to form a diamond shape, and the molten materials are enabled to pass through quickly.

Preferably, the film blowing block 7 is provided with a second air guide hole 702 communicated with the air outlet 703 and a first air guide hole 701 vertically arranged with the second air guide hole 702, the first air guide hole 701 is provided with an air guide pipe 9, and the air guide pipe 9 is provided with external threads 901 for facilitating connection with a fan.

Preferably, a sealing sleeve 10 is sleeved on the air duct 9, and a sealing ring 8 is arranged between the film blowing block 7 and the intermediate member 2, so that the sealing performance is improved, and the rigid contact with the intermediate member 2 and the extrusion molding die 3 is avoided.

Preferably, a filter screen 5 is provided at the lower end of the opening 201 in order to prevent the entry of the unmelted material.

The utility model discloses specific working process: after the whole body is installed, the extruder presses the molten material into the opening 201 from the material inlet 101, the molten material enters the opening 201 through the filter screen 5 and is extruded from the die clearance hole 11, in the extrusion process, the fan blows air flow into the air duct 9, the air flow is blown out from the air outlet 703 through the first air guide hole 701 and the second air guide hole 702, and the molten material is cooled, so that the film blowing process is realized.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. A vertical film blowing device of a small-sized packaging bag is characterized in that the film blowing device is formed by sequentially connecting a material connecting pipe (1), an intermediate member (2), an extrusion forming die (3) and an upper pressing seat (4) through a locking piece (6); wherein:

the extrusion forming die (3) is internally provided with a die clearance hole (11) and a through air outlet (703), and the lower end of the air outlet (703) is connected with a film blowing block (7) blowing air to the air outlet (703);

the middle part of the intermediate member (2) is provided with a through opening (201), a step groove is arranged in the opening (201), a side opening groove (203) is formed in one side of the upper end, the film blowing block (7) is installed on the step groove through the side opening groove (203), and a detachable connecting structure is formed between the film blowing block and the intermediate member (2) and the extrusion forming die (3).

2. The vertical film blowing device for the small-sized packaging bag as claimed in claim 1, wherein the lower end of the film blowing block (7) is of a conical structure, so that the die clearance hole (11) and the opening are communicated to form a diamond shape.

3. The vertical film blowing device for the small-sized packaging bag according to claim 2, wherein the film blowing block (7) is provided with a second air guide hole (702) communicated with the air outlet (703) and a first air guide hole (701) vertically arranged with the second air guide hole (702), and the first air guide hole (701) is provided with an air guide pipe (9).

4. The vertical film blowing device for the small-sized packaging bag as claimed in claim 3, wherein a sealing sleeve (10) is sleeved on the air duct (9).

5. The vertical film blowing device for the small-sized packaging bag as claimed in claim 3, wherein the air duct (9) is provided with external threads (901).

6. The vertical film blowing device for the small-sized packaging bag as claimed in claim 1, wherein a sealing ring (8) is arranged between the film blowing block (7) and the intermediate member (2).

7. The vertical film blowing device for the small-sized packaging bag according to claim 1, further comprising a filter screen (5), wherein the filter screen (5) is arranged at the lower end of the opening (201).