CN210283240U

CN210283240U - Inflation film manufacturing machine die head and inflation film manufacturing machine

Info

Publication number: CN210283240U
Application number: CN201921291788.0U
Authority: CN
Inventors: 尚文坚
Original assignee: Shanxi Yuhao Environmental Protection Paper Co ltd
Current assignee: Shanxi Yuhao Environmental Protection Paper Co ltd
Priority date: 2019-08-10
Filing date: 2019-08-10
Publication date: 2020-04-10
Anticipated expiration: 2029-08-10

Abstract

The utility model discloses a inflation film manufacturing machine die head for make the film with the raw materials, including interior mould mouth, outer mould mouth and spirochaeta, outer mould mouth is outside including tubular structure and cover are established, gap between outer mould mouth and the interior mould mouth forms the discharge gate, the raw materials is extruded and is formed the film through the discharge gate, interior mould mouth both ends are provided with the through-hole, the spirochaeta forms fixed connection through the bolt that sets up in the through-hole with the one end that the discharge gate was kept away from to the interior mould mouth, through set up the through-hole on the mould mouth including, form fixed connection between mould mouth and the spirochaeta with bolted connection's mode messenger, the in-process of mould mouth in the loading and unloading has been solved, the efficiency is low, the installation is not in place, the technical problem.

Description

Inflation film manufacturing machine die head and inflation film manufacturing machine

Technical Field

The utility model relates to an instrument technical field, concretely relates to inflation film manufacturing machine die head and inflation film manufacturing machine.

Background

The die head of the environment-friendly stone paper machine film blowing equipment comprises a body (the body comprises an outer die body, a flow distribution plate and a spiral body), an inner die nozzle and an outer die nozzle, wherein molten raw materials flow into the inner die nozzle and the outer die nozzle through the die head, the thickness of a film blowing is determined through the gap between the inner die nozzle and the outer die nozzle, and films of different specifications need to be processed by the inner die nozzles of different specifications. In the prior art, the bottom end connecting part of the inner die nozzle is provided with an external thread, the top end of the spiral body of the die head body is provided with an internal thread, and the bottom end of the inner die nozzle is directly screwed on the die head body by the connecting part with the external thread when the inner die nozzle is installed. However, the temperature difference of the die head is large (about 170 ℃ during general operation and normal temperature during shutdown), the threads of the inner die nozzle are often locked, and the surface roughness of the inner die nozzle is high, so that the inner die nozzle is difficult to control and easy to damage the surface of the inner die nozzle during assembly and disassembly by using the prior art, and the film blowing quality is influenced; meanwhile, when the inner die nozzle is installed, if the inner die nozzle is not fixed in place, the inner die lip is higher than the outer die lip edge, so that the thickness of the blown die bubble is uneven.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the disclosed embodiments of the present invention is to provide a film blowing machine die head to solve the technical problems of low efficiency, improper installation and easy scratching of the surface of the inner die nozzle during the process of assembling and disassembling the inner die nozzle existing in the prior art.

In order to solve the above technical problem, on the one hand, the utility model discloses an embodiment adopts following technical scheme:

the utility model provides a inflation film manufacturing machine die head for make the film with the raw materials, including interior die nozzle, outer die nozzle and spirochaeta, outer die nozzle is tubular structure and cover and establishes centre form nozzle outside, outer die nozzle with gap between the interior die nozzle forms the discharge gate, the raw materials passes through the discharge gate is extruded and is formed the film, centre form nozzle both ends are provided with the through-hole, the spirochaeta with the one end that the discharge gate was kept away from to centre form nozzle through set up in bolt formation fixed connection in the through-hole.

Optionally, a hole shoulder is arranged in the through hole, the aperture of one end, close to the discharge port, of the through hole is larger than the aperture of one end, close to the spiral body, of the through hole, the bolt is inserted into the through hole from one end, close to the discharge port, of the through hole, the head of the bolt is abutted against the hole shoulder, and a screw of the bolt is connected with the spiral body.

Optionally, a screw hole is formed in one end, close to the inner mold nozzle, of the spiral body, and the spiral body and the inner mold nozzle are fixedly connected through the bolt and the screw hole.

Optionally, a sealing cover is arranged on the through hole close to one side of the discharge hole.

Optionally, a gasket is arranged between the inner die nozzle and the spiral body.

Optionally, the inner mould mouth both ends are provided with a plurality of the through-hole, the spirochaeta is close to inner mould mouth one end be provided with the through-hole corresponding a plurality of the screw, the spirochaeta with inner mould mouth through set up in a plurality of through-holes the bolt with a plurality of screw form fixed connection.

For solving above-mentioned technical problem, on the other hand, the utility model discloses an embodiment still adopts following technical scheme:

the film blowing machine comprises a body and the film blowing machine die head arranged on the body.

The utility model has the advantages that: through set up the through-hole on the inner mould mouth, form fixed connection between mode messenger inner mould mouth and the spirochaeta with bolted connection, solved the handling inner mould mouth in the process, inefficiency, the installation is not in place, the technical problem on easy fish tail inner mould mouth surface, inflation film manufacturing machine die head low cost in this application, the effect is showing, proposes using widely on a large scale.

Drawings

FIG. 1 shows one of the schematic views of the die assembly structure of the film blowing machine provided by one embodiment of the present application;

FIG. 2 is a second schematic diagram illustrating an exploded view of a die head of a film blowing machine according to an embodiment of the present application;

fig. 3 shows a third schematic view of an assembly structure of an inner die nozzle and an outer die nozzle provided by an embodiment of the present application.

Wherein the content of the first and second substances,

1. an inner mold nozzle; 11. a through hole; 12. a bolt;

2. an outer mold nozzle;

3. a spiral body.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.

Figures 1-3 illustrate embodiments of a film blowing machine die head of the present application.

The optional embodiment discloses a film blowing machine die head, which is used for manufacturing raw materials into a film and comprises an inner die nozzle 1, an outer die nozzle and a spiral body 3, wherein the outer die nozzle 2 is of a cylindrical structure and is sleeved outside the inner die nozzle 1, a discharge hole is formed in a gap between the outer die nozzle 2 and the inner die nozzle 1, optionally, the inner die nozzle 1 is in a horn shape, the sectional area of one end of the discharge hole of the inner die nozzle 1 is larger than that of one end of a feed hole, the inner shape of the outer die nozzle 2 is matched with that of the outer part of the inner die nozzle 1, after the outer die nozzle 2 and the inner die nozzle 1 are assembled, a clearance fit is formed between the outer die nozzle 2 and the inner die nozzle 1, a slurry raw material enters the gap between the outer die nozzle 2 and the; because the inner die nozzle 1 is in a horn shape, the gap formed by the inner die nozzle 1 and the outer die nozzle 2 is smaller as the inner die nozzle is closer to the discharge hole, and the pressure in the gap is increased as the inner diameters of the outer die nozzle 2 and the inner die nozzle 1 are gradually reduced, so that the quality of blown films can be improved.

Through holes 11 are formed in two ends of the inner die nozzle 1, and the spiral body 3 and one end, far away from the discharge hole, of the inner die nozzle 1 are fixedly connected through bolts 12 arranged in the through holes 11.

Optionally, a hole shoulder is arranged in the through hole 11, the hole diameter of the through hole 11 close to one end of the discharge port is larger than the hole diameter of the through hole 11 close to one end of the spiral body 3, the bolt 12 is inserted into the through hole 11 from one end of the through hole 11 close to the discharge port, the bolt 12 is immersed in the through hole 11, and the head of the screw rod is abutted against the hole shoulder to limit the fastening position of the bolt 12.

Optionally, be provided with sealed lid on the through-hole 11 that is close to discharge gate one side, after bolt 12 forms with the spiral portion through-hole 11 and is connected, during bolt 12 head sinks into through-hole 11 completely, be provided with sealed lid on the through-hole 11 that is close to discharge gate one side, can prevent that dust etc. from getting into through-hole 11, cause the damage to bolt 12 head, influence the change of equipment.

Optionally, the bolt 12 is a hexagon socket head cap bolt 12.

Optionally, the through hole 11 is designed as a counter bore, and after the bolt 12 is inserted into the through hole 11 from one end of the discharge port of the inner die nozzle 1, the head of the bolt 12 sinks into the counter bore and is flush with one end of the discharge port of the inner die nozzle 1, so that the appearance is more attractive.

Optionally, the screw of the bolt 12 passes through the screw hole and is connected with the screw hole correspondingly arranged on the spiral body 3, so that the spiral body 3 and the inner die nozzle 1 form a fixed connection, and the function of connecting the inner die nozzle 1 and the die head body is further achieved.

Optionally, a counter bore is formed in one end, close to the inner mold nozzle 1, of the spiral body 3, a nut is fixedly arranged in the counter bore, and after the bolt 12 penetrates through the through hole 11 of the inner mold nozzle 1, the inner mold nozzle 1 is fixedly connected with the spiral body 3 through the nut.

Further, optionally, a part of internal threads are arranged inside the through hole 11, and after the bolt 12 is screwed into the through hole 11 and connected with a corresponding screw hole on the spiral body 3, the bolt 12 forms a fixed connection with the inner mold nozzle 1 and the spiral body 3 through threads at the same time, so that the connection between the inner mold nozzle 1 and the spiral body 3 is more reliable.

Optionally, a gasket is arranged between the inner mold nozzle 1 and the spiral body 3. After the bolt 12 column penetrates through the through hole 11, the gasket is sleeved, and then the bolt is screwed into the screw hole to connect the inner mold nozzle 1 and the spiral body 3, so that the assembly error caused by the machining error of the spiral body 3 and the inner mold nozzle 1 can be eliminated, the stress concentration is reduced, and the stability and the reliability are improved.

Optionally, be provided with a plurality of through-holes 11 at interior mould mouth 1 both ends, spirochaeta 3 is close to interior mould mouth 1 one end and is provided with a plurality of screws corresponding with through-hole 11, spirochaeta 3 and interior mould mouth 1 form fixed connection through the bolt 12 that sets up in a plurality of through-holes 11 and a plurality of screw, make the connection between interior mould mouth 1 and the spirochaeta 3 more reliable, reduce the installation error between spirochaeta 3 and the interior mould mouth 1.

The utility model has the advantages that: through set up the through-hole on the inner mould mouth, form fixed connection between mode messenger inner mould mouth and the spirochaeta with bolted connection, solved the handling inner mould mouth in-process, inefficiency, the installation is not in place, the technical problem on easy fish tail inner mould mouth surface, low cost, the effect is showing, proposes to use widely on a large scale.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. The utility model provides a inflation film manufacturing machine die head for make the film with the raw materials, including interior die nozzle, outer die nozzle and spirochaeta, its characterized in that, outer die nozzle is the tubular structure and the cover is established centre form nozzle outside, outer die nozzle with gap between the interior die nozzle forms the discharge gate, the raw materials passes through the discharge gate is extruded and is formed the film, centre form nozzle both ends are provided with the through-hole, the spirochaeta with the one end that the discharge gate was kept away from to centre form the discharge gate through set up in bolt formation fixed connection in the through-hole.

2. The film blowing machine die head according to claim 1, characterized in that a hole shoulder is arranged in the through hole, the aperture of one end of the through hole close to the discharge port is larger than the aperture of one end close to the spiral body, the bolt is inserted into the through hole from one end of the through hole close to the discharge port, the head of the bolt is abutted against the hole shoulder, and the screw rod of the bolt is connected with the spiral body.

3. The film blowing machine die head according to claim 2, characterized in that a screw hole is formed at one end of the spiral body close to the inner die nozzle, and the spiral body and the inner die nozzle are fixedly connected with the screw hole through the bolt.

4. The die head of the film blowing machine according to the claim 3, characterized in that a sealing cover is arranged on the through hole close to one side of the discharge port.

5. The inflation film manufacturing machine die head according to claim 4, wherein a gasket is arranged between the inner die nozzle and the spiral body.

6. The film blowing machine die head according to claim 5, characterized in that a plurality of through holes are arranged at two ends of the inner die nozzle, a plurality of screw holes corresponding to the through holes are arranged at one end of the spiral body close to the inner die nozzle, and the spiral body and the inner die nozzle are fixedly connected with the screw holes through the bolts arranged in the through holes.

7. A film blowing machine, characterized by comprising a body and the film blowing machine die head of any one of claims 1 to 6 arranged on the body.