CN215095495U

CN215095495U - Curtain coating formula multilayer film is crowded die head altogether

Info

Publication number: CN215095495U
Application number: CN202121465684.4U
Authority: CN
Inventors: 李秋岚
Original assignee: Wuhan Lizhi Electric & Machinery Co ltd
Current assignee: Wuhan Lizhi Electric & Machinery Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-10
Anticipated expiration: 2031-06-29

Abstract

The utility model belongs to the technical field of the curtain coating film technique and specifically relates to a curtain coating formula multilayer film is crowded die head altogether, including crowded mould casing altogether, the outside of crowded mould casing altogether is equipped with connecting cylinder, row's hopper and motor, is equipped with the curtain coating board in the connecting cylinder inboard, is equipped with the baffle in the inboard of row's hopper, is equipped with hybrid chamber and collecting chamber in the inboard of crowded mould casing altogether, is equipped with the flood dragon pole that is used for carrying out the homogeneous mixing stirring in the inboard of hybrid chamber, through the curtain coating board that sets up for the device is equipped with a plurality of curtain coating passageways, convenient crowded operation altogether.

Description

Curtain coating formula multilayer film is crowded die head altogether

Technical Field

The utility model relates to a curtain coating membrane technical field specifically is a curtain coating formula multilayer film is crowded die head altogether.

Background

Cast film is a non-stretched, non-oriented cast film produced by melt casting quenching. The method has two modes of single-layer casting and multi-layer coextrusion casting, and compared with film blowing, the method has the characteristics of high production speed, high yield, excellent transparency, gloss, thickness uniformity and the like of the film.

In the production process of the multilayer cast co-extrusion film, the mixing efficiency of the traditional co-extrusion die head is low when the multilayer is far away from co-extrusion mixing, and the product quality is influenced because the mixing among the multilayer raw materials is not uniform enough.

There is therefore a need for a cast multilayer film coextrusion die that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a curtain coating formula multilayer film is crowded die head altogether to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a curtain coating formula multilayer film is crowded die head altogether, includes crowded mould casing altogether, the outside of crowded mould casing altogether is equipped with connecting cylinder, row's hopper and motor, is equipped with the curtain coating board in the connecting cylinder inboard, is equipped with the baffle in the inboard of row's hopper, is equipped with blending chamber and collecting chamber in the inboard of crowded mould casing altogether, is equipped with the flood dragon pole that is used for carrying out the homogeneous mixing stirring in the inboard of blending chamber.

As the utility model discloses preferred scheme, the center department in peripheral length one side cross-section of crowded mould casing altogether is equipped with the connecting cylinder, and the one end of keeping away from crowded mould casing altogether at the connecting cylinder is equipped with the fixed plate, and four corners on the fixed plate all set up threaded hole.

As the utility model discloses preferred scheme, be equipped with the curtain coating board on the inside wall of connecting cylinder, just six curtain coating passageways are set to altogether to the curtain coating board in the inboard of connecting cylinder, the connecting cylinder passes through sealed welded fastening with crowded mould casing altogether, and the curtain coating board communicates with each other with the inside of crowded mould casing altogether.

As the utility model discloses preferred scheme, crowded mould casing altogether includes rectangular hole, through-hole, hybrid chamber and collecting chamber, wherein has seted up the rectangular hole on the length one side cross-section of connecting cylinder is kept away from to the periphery of crowded mould casing altogether, has seted up the through-hole on the peripheral width one side cross-section of crowded mould casing altogether, is equipped with hybrid chamber and collecting chamber in proper order on the inboard width direction of crowded mould casing altogether, just the hybrid chamber is close to with the connecting cylinder.

As the utility model discloses preferred scheme, be equipped with the motor on the one side cross-section of through-hole is seted up to the periphery of crowded mould casing altogether, just the motor is close to in the outer department of following of through-hole, is equipped with the flood dragon pole on the inboard length direction of hybrid chamber, the output fixed connection of through-hole and motor is passed to the one end of flood dragon pole.

As the utility model discloses preferred scheme, be equipped with the row's hopper on the one side cross-section that the rectangular hole was seted up to the periphery of co-extrusion die casing, just the one end of arranging the hopper is laminated with the outer edge of rectangular hole mutually, just presses close to the equidistant a plurality of baffles that evenly are provided with of opening part of arranging the hopper in the inboard of arranging the hopper, the one end of arranging the hopper and co-extrusion die casing laminating communicates with each other with the chamber that gathers materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through mixing chamber, the chamber of gathering materials, disjunctor section of thick bamboo, curtain coating board, row's hopper and flood dragon pole that set up for the device can carry out abundant homogeneous mixing stirring between with the multilayer raw materials in the production process of multilayer curtain coating formula film, thereby ensures multilayer film's production processingquality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the connecting cylinder of the present invention;

fig. 3 is the internal structure schematic diagram of the co-extrusion mold shell of the utility model.

In the figure: 1. co-extruding the mould shell; 101. a rectangular hole; 102. a through hole; 103. a mixing chamber; 104. a material collecting cavity; 2. a connecting cylinder; 201. casting a plate; 3. a fixing plate; 301. a threaded hole; 4. a discharge hopper; 5. a partition plate; 6. a motor; 7. flood dragon pole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the present invention are presented. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a curtain coating formula multilayer film is crowded die head altogether, is equipped with connecting cylinder 2, row's hopper 4 and motor 6 including crowded mould casing 1 altogether, the outside of crowded mould casing 1 altogether, is equipped with curtain coating board 201 in 2 inboards of connecting cylinder, is equipped with baffle 5 in the inboard of row's hopper 4, is equipped with hybrid chamber 103 and collecting chamber 104 in the inboard of crowded mould casing 1 altogether, is equipped with the flood dragon pole 7 that is used for carrying out the homogeneous mixing stirring in the inboard of hybrid chamber 103.

In an embodiment, please refer to fig. 1, fig. 2 and fig. 3, a connecting cylinder 2 is disposed at a center of a cross section on one side of a peripheral length of a co-extrusion die housing 1, a fixing plate 3 is disposed at one end of the connecting cylinder 2 far away from the co-extrusion die housing 1, threaded holes 301 are disposed at four corners of the fixing plate 3, a casting plate 201 is disposed on an inner side wall of the connecting cylinder 2, and the casting plate 201 is disposed in six casting channels in the inner side of the connecting cylinder 2, the connecting cylinder 2 is fixed to the co-extrusion die housing 1 by sealing and welding, and the casting plate 201 is communicated with the inside of the co-extrusion die housing 1, and the device is provided with a plurality of casting channels through the disposed casting plate 201, thereby facilitating co-extrusion operation.

In the embodiment, referring to fig. 1, fig. 2 and fig. 3, a co-extrusion die shell 1 includes a rectangular hole 101, a through hole 102, a mixing cavity 103 and a material collecting cavity 104, wherein the rectangular hole 101 is disposed on a cross section of a side of the periphery of the co-extrusion die shell 1 away from a connecting cylinder 2, the through hole 102 is disposed on a cross section of a side of the periphery of the co-extrusion die shell 1, the mixing cavity 103 and the material collecting cavity 104 are sequentially disposed in a width direction of an inner side of the co-extrusion die shell 1, the mixing cavity 103 is close to the connecting cylinder 2, a motor 6 is disposed on a cross section of a side of the periphery of the co-extrusion die shell 1, where the through hole 102 is disposed, the motor 6 is close to an outer edge of the through hole 102, a flood dragon rod 7 is disposed on the length direction of the inner side of the mixing cavity 103, one end of the flood rod 7 passes through the through hole 102 to be fixedly connected with an output end of the motor 6, a discharge hopper 4 is disposed on a cross section of a side of the periphery of the co-extrusion die shell 1, where the rectangular hole 101 is disposed, and the one end of hopper 4 and the outer edge of rectangular hole 101 are laminated mutually, and the inboard of hopper 4 and the opening part that presses close to hopper 4 are equidistant evenly to be provided with a plurality of baffles 5, and the one end of hopper 4 and the laminating of crowded mould casing 1 altogether communicates with each other with the chamber 104 that gathers materials, through the flood dragon pole 7 that sets up for the device can carry out intensive mixing stirring with the multilayer crowded raw materials altogether, improves processingquality.

The working principle is as follows: during the use, at first install the device on the extruding machine through fixed plate 3 and insert different layering principle feed pipes as required in the each curtain coating passageway of curtain coating board 201 divided, when multilayer raw materials get into mixing chamber 103 inside through connecting cylinder 2 starter motor 6, make motor 6 drive flood dragon pole 7 rotate, thereby mix the stirring and impel to one side with multilayer raw materials, multilayer raw materials after mixing at last can flow into in the collection chamber 104 and get into row hopper 4 again, the passageway through 4 inboard baffles 5 formation of row hopper discharges multilayer raw materials, in order to accomplish the homogeneous mixing between the multilayer raw materials this moment, thereby guarantee multilayer film's production processingquality, certain spreading value has.

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 curtain coating formula multilayer film coextrusion die head, includes crowded mould casing (1) altogether, its characterized in that: the external portion of crowded mould casing (1) altogether is equipped with connecting cylinder (2), hopper (4) and motor (6), is equipped with curtain coating board (201) in connecting cylinder (2) inboard, is equipped with baffle (5) in the inboard of hopper (4), is equipped with hybrid chamber (103) and collecting chamber (104) in the inboard of crowded mould casing (1) altogether, is equipped with flood dragon pole (7) that are used for carrying on the homogeneous mixing stirring in the inboard of hybrid chamber (103).

2. A cast multilayer film coextrusion die according to claim 1, characterized in that: the center department of peripheral length one side cross-section of crowded mould casing (1) altogether is equipped with connecting cylinder (2), keeps away from the one end of crowded mould casing (1) altogether in connecting cylinder (2) and is equipped with fixed plate (3), and four corners on fixed plate (3) are all seted up threaded hole (301).

3. A cast multilayer film coextrusion die according to claim 1, characterized in that: be equipped with curtain coating board (201) on the inside wall of connecting cylinder (2), just six curtain coating passageways are set to in curtain coating board (201) the inboard of connecting cylinder (2) altogether, connecting cylinder (2) are fixed through sealed weld with crowded mould casing (1), and curtain coating board (201) communicate with each other with the inside of crowded mould casing (1) altogether.

4. A cast multilayer film coextrusion die according to claim 1, characterized in that: the co-extrusion die shell (1) comprises a rectangular hole (101), a through hole (102), a mixing cavity (103) and a material collecting cavity (104), wherein the rectangular hole (101) is formed in the cross section of one side of the length of the connecting cylinder (2) away from the periphery of the co-extrusion die shell (1), the through hole (102) is formed in the cross section of one side of the periphery width of the co-extrusion die shell (1), the mixing cavity (103) and the material collecting cavity (104) are sequentially arranged in the width direction of the inner side of the co-extrusion die shell (1), and the mixing cavity (103) is close to and connected with the connecting cylinder (2).

5. A cast multilayer film coextrusion die according to claim 1, characterized in that: be equipped with motor (6) on the one side cross-section that through-hole (102) were seted up to the periphery of crowded mould casing (1) altogether, just motor (6) are close to the outer edge department of through-hole (102), are equipped with flood dragon pole (7) on the inboard length direction of hybrid chamber (103), the output fixed connection of through-hole (102) and motor (6) is passed to the one end of flood dragon pole (7).

6. A cast multilayer film coextrusion die according to claim 1, characterized in that: be equipped with row's hopper (4) on the one side cross-section that rectangular hole (101) were seted up to the periphery of crowded mould casing (1), just the one end of row's hopper (4) is laminated with the outer edge of rectangular hole (101) mutually, evenly is provided with a plurality of baffles (5) at the inboard of row's hopper (4) and the opening part equidistance that presses close to row's hopper (4), row's hopper (4) communicate with each other with the chamber of catchmenting (104) with the one end of crowded mould casing (1) laminating altogether.