CN214137232U

CN214137232U - AAB three-layer co-extrusion die head of film blowing machine

Info

Publication number: CN214137232U
Application number: CN202023067273.8U
Authority: CN
Inventors: 蔡君锦; 苏立都
Original assignee: Wenzhou Aoxiang Packaging Machinery Co ltd
Current assignee: Wenzhou Aoxiang Packaging Machinery Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-07
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a inflation film manufacturing machine AAB three-layer is crowded die head altogether, including distributor assembly, distributor assembly is including being columniform overcoat, first feed inlet and second feed inlet have been seted up to the lateral wall of overcoat, have the first blown down tank of upwards extending and seting up in the inside of overcoat, be provided with first axle core in the first blown down tank, be provided with the third feed inlet of aiming at with first feed inlet on the first axle core, and the fourth feed inlet of aiming at with the second feed inlet, the lateral wall of first axle core has the clearance between the inside wall of third feed inlet department and first blown down tank, form first walking material runner. The utility model discloses simple structure, reasonable in design can realize that the bilayer of a material is extruded and the individual layer of another kind of material is extruded, effectively reduces the quantity of feed inlet and guarantees to extrude the smooth and easy nature of operation.

Description

AAB three-layer co-extrusion die head of film blowing machine

Technical Field

The utility model relates to a inflation film manufacturing machine, concretely relates to inflation film manufacturing machine AAB three-layer is crowded die head altogether.

Background

The film blowing machine is a device specially used for blow molding of thin films, wherein an extrusion die head is an important component of the film blowing machine, and the extrusion die head is mainly used for mixed extrusion blowing of plastic blowing and forming of thin films. At present, films on the market are often formed by mixing a plurality of different materials, the required amount of the different materials is different, three feeding holes are required to be correspondingly arranged on a common three-layer extrusion die head on the market, and the internal structure of the extrusion die head is very complex.

Disclosure of Invention

In view of the not enough of background art, the utility model aims to solve the technical problem that a bilayer of material is extruded and the individual layer of another kind of material is extruded is provided, effectively reduces the quantity of feed inlet and guarantees to extrude the inflation film manufacturing machine AAB three-layer coextrusion die head of the smooth and easy nature of operation.

Therefore, the utility model discloses an adopt following scheme to realize:

inflation film manufacturing machine AAB three-layer is crowded die head altogether, its characterized in that: the distributor comprises a distributor component, wherein the distributor component comprises a cylindrical outer sleeve, a first feed inlet and a second feed inlet are formed in the outer side wall of the outer sleeve, a first discharge chute which is formed by extending upwards is formed in the outer side wall of the outer sleeve, a first shaft core is arranged in the first discharge chute, a third feed inlet aligned with the first feed inlet and a fourth feed inlet aligned with the second feed inlet are arranged on the first shaft core, a gap is formed between the outer side wall of the first shaft core and the inner side wall of the first discharge chute at the third feed inlet to form a first feeding flow channel, a first outer convex part is arranged at the fourth feed inlet on the outer side wall of the first shaft core, the first outer convex part is tightly attached to the inner side wall of the first discharge chute, a second discharge chute is formed in the middle of the first shaft core, a second shaft core is arranged in the second discharge chute, a gap is formed between the outer side wall of the second shaft core and the inner side wall of the second discharge chute at the third feed inlet, form the second and walk the material runner, the lateral wall of secondary shaft core is provided with the outer convex part of second in fourth feed inlet department, the outer convex part of second closely laminates with the inside wall of second blown down tank, the fifth feed inlet with the fourth feed inlet intercommunication is seted up to the lateral wall of secondary shaft core, the third blown down tank intercommunication in fifth feed inlet and secondary shaft core middle part, the top of overcoat is connected with the die head, be provided with the first crowded material way with first material runner intercommunication of walking on the die head, with the second crowded material way of second material runner intercommunication and with the third crowded material way of third blown down tank intercommunication, first, second and third crowded material way and annular blown down tank intercommunication.

The first outer convex part and the second outer convex part extend spirally.

And a lower press plug is arranged at the bottom of the second shaft core and used for plugging the bottom of the third discharge chute, and a guide inclined plane is arranged at the position, corresponding to the fifth feed inlet, of the lower press plug.

Adopt above-mentioned technical scheme, the utility model discloses an advantage does: simple structure, reasonable in design can realize that the three-layer of material is extruded, and the bilayer of a material is extruded and the individual layer of another kind of material is extruded, effectively reduces the quantity of feed inlet and guarantees to extrude the smooth and easy nature of operation.

Drawings

The utility model discloses there is following figure:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at the point A;

FIG. 4 is a view of the structure of the outer cover of the present invention;

FIG. 5 is a view showing a first axial core according to the present invention;

fig. 6 is a structural diagram of the second shaft core of the present invention.

Detailed Description

As shown in the figure, the AAB three-layer co-extrusion die head of the film blowing machine disclosed by the utility model comprises a distributor component, the distributor component comprises a cylindrical outer sleeve 2, the outer side wall of the outer sleeve 2 is provided with a first feed inlet 3 and a second feed inlet 14, the inner part of the outer sleeve 2 is provided with a first discharge chute 19 which extends upwards, a first shaft core 7 is arranged in the first discharge chute 19, the first shaft core 7 is provided with a third feed inlet 6 aligned with the first feed inlet 3 and a fourth feed inlet 13 aligned with the second feed inlet 14, a gap is arranged between the outer side wall of the first shaft core 7 and the inner side wall of the first discharge chute 19 at the third feed inlet 6 to form a first feeding runner 15, the outer side wall of the first shaft core 7 is provided with a first outer convex part 17 at the fourth feed inlet 13, the first outer convex part 17 is tightly attached to the inner side wall of the first discharge chute 19, the middle part of the first shaft core 7 is provided with a second discharge chute 20, a second shaft core 18 is arranged in the second discharge chute 20, a gap is formed between the outer side wall of the second shaft core 18 at the third feed inlet 6 and the inner side wall of the second discharge chute 20 to form a second feeding runner 8, a second outer convex part 16 is arranged at the fourth feed inlet 13 on the outer side wall of the second shaft core 18, the second outer convex part 16 is tightly attached to the inner side wall of the second discharge chute 20, the first and second outer convex parts are tightly fitted with the side walls of the first and second discharge chutes, so that the material entering from the second feed inlet 14 cannot flow into the first and second feeding runners, a fifth feed inlet 12 communicated with the fourth feed inlet 13 is arranged on the side wall of the second shaft core 7, the fifth feed inlet 12 is communicated with the third discharge chute 18 in the middle of the second shaft core 7, the top of the outer sleeve 2 is connected with a die head 1, a first extrusion channel 4 communicated with the first feeding runner 15 is arranged on the die head 1, a second extrusion channel 21 communicating with the second runner 8 and a third extrusion channel 22 communicating with the third discharge chute 18, the first, second and third extrusion channels communicating with an annular discharge chute 23. The first outer convex part 17 and the second outer convex part 16 extend spirally to ensure that the first outer convex part and the second outer convex part do not block the first feeding runner and the second feeding runner. The bottom of the second shaft core 9 is provided with a lower press plug 10, the lower press plug 10 plugs the bottom of the third discharge chute 18, and the lower press plug 10 is provided with a guide inclined plane 11 at the position corresponding to the fifth feed inlet 12, so that materials extruded into the third discharge chute 18 can be guided to flow, and accumulation of the materials is avoided.

The utility model discloses a this kind of AAB three-layer is crowded die head altogether, one of them material enters into overcoat 2 from first feed inlet 3 in, and flow into respectively first material runner 15 and the second of walking in the material runner 8, extrude from first material way 4 and the crowded material way 21 of second again, realize that the bilayer of same kind of material is extruded, another kind of material flows in from second feed inlet 14, and flow into third blown down tank 18 in through fourth feed inlet 13 and fifth feed inlet 12, and extrude from the crowded material way 22 of third, realize that the individual layer of another kind of material is extruded, only need set up two feed inlets on the overcoat, just can realize that the three-layer is extruded, effectively reduce the quantity of feed inlet and guarantee to extrude the smooth and easy nature of operation.

Claims

1. Inflation film manufacturing machine AAB three-layer is crowded die head altogether, its characterized in that: the distributor comprises a distributor component, wherein the distributor component comprises a cylindrical outer sleeve, a first feed inlet and a second feed inlet are formed in the outer side wall of the outer sleeve, a first discharge chute which is formed by extending upwards is formed in the outer side wall of the outer sleeve, a first shaft core is arranged in the first discharge chute, a third feed inlet aligned with the first feed inlet and a fourth feed inlet aligned with the second feed inlet are arranged on the first shaft core, a gap is formed between the outer side wall of the first shaft core and the inner side wall of the first discharge chute at the third feed inlet to form a first feeding flow channel, a first outer convex part is arranged at the fourth feed inlet on the outer side wall of the first shaft core, the first outer convex part is tightly attached to the inner side wall of the first discharge chute, a second discharge chute is formed in the middle of the first shaft core, a second shaft core is arranged in the second discharge chute, a gap is formed between the outer side wall of the second shaft core and the inner side wall of the second discharge chute at the third feed inlet, form the second and walk the material runner, the lateral wall of secondary shaft core is provided with the outer convex part of second in fourth feed inlet department, the outer convex part of second closely laminates with the inside wall of second blown down tank, the fifth feed inlet with the fourth feed inlet intercommunication is seted up to the lateral wall of secondary shaft core, the third blown down tank intercommunication in fifth feed inlet and secondary shaft core middle part, the top of overcoat is connected with the die head, be provided with the first crowded material way with first material runner intercommunication of walking on the die head, with the second crowded material way of second material runner intercommunication and with the third crowded material way of third blown down tank intercommunication, first, second and third crowded material way and annular blown down tank intercommunication.

2. The inflation film manufacturing machine AAB three-layer coextrusion die head of claim 1, wherein the first outer convex portion and the second outer convex portion are spirally extended.

3. The AAB three-layer co-extrusion die head of the film blowing machine according to claim 1, wherein a lower press plug is arranged at the bottom of the second shaft core, the lower press plug plugs the bottom of the third discharge chute, and a guide inclined surface is arranged at a position corresponding to the fifth feed port of the lower press plug.