CN219381512U

CN219381512U - Anti-blocking mechanism of extrusion molding spray head

Info

Publication number: CN219381512U
Application number: CN202320560495.8U
Authority: CN
Inventors: 孙国裕; 陈盛; 徐凤; 胡海波
Original assignee: Henan Gongchi Plastic Co ltd
Current assignee: Henan Gongchi Plastic Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-07-21
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to the technical field of anti-blocking of extrusion molding spray heads, in particular to an anti-blocking mechanism of the extrusion molding spray heads, which comprises a spray head for spraying out extrusion molding materials, wherein a conveying pipe for guiding the flowing direction of the extrusion molding materials and an anti-blocking component for preventing the extrusion molding materials from being blocked are arranged above the spray head, a heating plate for heating the extrusion molding materials is embedded between the inner wall and the outer wall of the conveying pipe, a metal sheet for enhancing the heat conducting effect of the conveying pipe is embedded on the inner wall of the conveying pipe, and the anti-blocking mechanism further comprises: the connecting assembly is used for detachably connecting the spray head and the conveying pipe; the clamping groove is arranged on the side wall of the spray head and is close to the top end. According to the utility model, the heating plate is embedded between the inner wall and the outer wall of the conveying pipe, so that blockage caused by solidification of plastic raw materials in the flowing process of the conveying pipe is avoided, and then the flow load of the nozzle opening is lightened by additionally arranging the anti-blocking component, so that the influence on use caused by blockage of the nozzle is effectively avoided.

Description

Anti-blocking mechanism of extrusion molding spray head

Technical Field

The utility model relates to the technical field of anti-blocking of extrusion molding nozzles, in particular to an anti-blocking mechanism of an extrusion molding nozzle.

Background

Extrusion, also known as extrusion, is a plastic molding process, one of the important methods for molding thermoplastics, and extrusion heads are one of the most important parts in the extrusion process.

The utility model discloses an anti-blocking spray head with a publication number of CN108927300B, which comprises a spray head main body with a spray orifice, wherein the spray head main body is provided with a barrel part and a plug arranged at the front end of the barrel part, the spray orifice is arranged on the plug, a stacking concave cavity for stacking impurities in fluid is arranged on the side wall of the plug, which is close to the inlet end of the spray orifice, and is positioned at the front side of the inlet end of the spray orifice.

Although the frequency of cleaning the spray head is reduced, the maintenance period of the spray head is prolonged, when the spray head is applied to an extruding machine, the plastic raw material is in a viscous flow state, and becomes a continuous body with the cross section similar to the shape of a mouth mold through an extruding mold, the viscous flow plastic raw material is cooled and solidified in the flowing process of the spray head to cause blockage, and in addition, the excessive flow of the plastic raw material can be accumulated at the mouth of the spray head to cause blockage, so that the use is limited, and in view of the problem, the anti-blockage mechanism of the extruding spray head is provided.

Disclosure of Invention

In order to make up for the defects, the utility model provides an extrusion molding nozzle anti-blocking mechanism.

The technical scheme of the utility model is as follows:

the utility model provides an extrusion molding shower nozzle prevents stifled mechanism, is including being used for carrying out spun shower nozzle to extrusion molding material, the top of shower nozzle is equipped with the conveyer pipe that is used for carrying out the guide to extrusion molding material's flow direction and avoids extrusion molding material to take place the stifled subassembly that prevents that blocks up, inlay between the inner wall and the outer wall of conveyer pipe and be equipped with the hot plate that is used for heating extrusion molding material, the inner wall of conveyer pipe is inlayed and is equipped with the sheetmetal that is used for strengthening its heat conduction effect, still includes:

the connecting assembly is used for detachably connecting the spray head and the conveying pipe;

the clamping groove is formed in the side wall of the spray head and close to the top end.

As the preferable technical scheme, the anti-blocking assembly comprises a rotating shaft transversely arranged at the center of the conveying pipe, and the rotating shaft is rotationally connected with the conveying pipe.

As the preferable technical scheme, the outer wall of pivot is equipped with a plurality of division flitch that are annular array and arrange, divide the flitch to keep away from the one end of pivot with the inner wall of conveyer pipe laminating mutually.

As the preferable technical scheme, the motor is arranged on the outer wall of the conveying pipe and at the position corresponding to the rotating shaft, and one end of the rotating shaft penetrates through the inner wall of the conveying pipe and is coaxially connected with the output shaft of the motor.

As the preferable technical scheme, the linking assembly comprises an annular block positioned at the bottom end of the conveying pipe, and rectangular blocks which are symmetrically distributed are arranged on the outer wall of the annular block and close to the bottom end of the annular block.

As the preferable technical scheme, the outer diameter of the annular block is the same as the inner diameter of the top end of the spray head, and a rubber gasket is embedded in the inner wall of the spray head and close to the top end.

As a preferable technical scheme, the clamping groove is L-shaped and is upward in opening, the top end of the longitudinal axis part of the clamping groove is the same as the outside, and the inner wall space of the clamping groove is the same as the outer wall space of the rectangular block.

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

1. according to the utility model, the heating plate is embedded between the inner wall and the outer wall of the conveying pipe, so that blockage caused by solidification of plastic raw materials in the flowing process of the conveying pipe is avoided, and then the flow load of a nozzle opening is reduced by additionally arranging the anti-blocking component, so that the influence on use caused by blockage of the nozzle is effectively avoided;

2. according to the utility model, the annular block is movably inserted into the spray head, and then the rectangular block is slidably connected with the clamping groove to realize detachable connection of the spray head and the annular block, so that the spray head is simple in structure, convenient to operate and convenient to assemble and disassemble.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a second schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of a spray head according to the present utility model;

FIG. 4 is a schematic view of a portion of the structure of the present utility model;

FIG. 5 is a schematic view of a part of a conveying pipe in the present utility model after being cut;

FIG. 6 is a schematic structural view of an anti-blocking assembly according to the present utility model.

The meaning of each reference numeral in the figures is:

1. a spray head; 11. a clamping groove;

2. a delivery tube; 21. a protective shell; 22. a heating plate;

3. an annular block; 31. rectangular blocks;

4. an anti-blocking assembly; 41. a rotating shaft; 42. a material dividing plate; 43. a motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution:

the utility model provides an extrusion molding shower nozzle anti-blocking mechanism, including being used for carrying out spun shower nozzle 1 to the extruded material, the top of shower nozzle 1 is equipped with and is used for carrying out the conveyer pipe 2 that guides the flow direction of extruded material and avoids extruded material to take place the anti-blocking component 4 that blocks up, inlays between the inner wall and the outer wall of conveyer pipe 2 and is equipped with the hot plate 22 that is used for heating the extruded material, and the inner wall of conveyer pipe 2 inlays and is equipped with the sheetmetal that is used for strengthening its heat conduction effect, and the sheetmetal adopts stainless steel material to make, avoids the sheetmetal to rust and causes the pollution to extruded material;

the outer wall of the conveying pipe 2 is made of a material with a good heat insulation effect, so that the influence of the external environment on the internal environment of the conveying pipe 2 is reduced, and the heat generated in the working process of the heating plate 22 is conveniently transferred into the conveying pipe 2 by embedding the metal sheet, so that the extruded material is prevented from being solidified to cause blockage when flowing in the conveying pipe 2;

the anti-blocking assembly 4 comprises a rotating shaft 41 transversely arranged at the center of the conveying pipe 2, the rotating shaft 41 is rotationally connected with the conveying pipe 2, a plurality of distributing plates 42 which are distributed in an annular array are arranged on the outer wall of the rotating shaft 41, one end, away from the rotating shaft 41, of each distributing plate 42 is attached to the inner wall of the conveying pipe 2, so that extruded materials adhered to the inner wall of the conveying pipe 2 are scraped in the process that the distributing plates 42 swing along with the rotation of the rotating shaft 41, and blockage caused by reduction of flow gaps of the extruded materials after the extruded materials are adhered to the inner wall of the conveying pipe 2 is avoided;

further, a motor 43 is arranged on the outer wall of the conveying pipe 2 and corresponds to the rotating shaft 41, one end of the rotating shaft 41 passes through the inner wall of the conveying pipe 2 and is coaxially connected with an output shaft of the motor 43, as is well known to those skilled in the art, the motor 43 is powered to drive the rotating shaft 41 to rotate, one end of the rotating shaft 41, which is close to the motor 43, is made of a heat insulation material, so that the rotating shaft 41 is prevented from being influenced by the temperature inside the conveying pipe 2 and the temperature is transmitted to the motor 43;

in addition, the outer wall of the conveying pipe 2 and the corresponding part of the motor 43 are provided with a protecting shell 21 with a hollowed-out structure, and the protecting shell 21 is covered outside the motor 43 and is used for protecting the motor 43 so as to prevent the motor 43 from being damaged due to collision with an external object when the motor 43 is exposed outside;

further comprises: the connecting assembly is used for detachably connecting the spray head 1 and the conveying pipe 2 and comprises an annular block 3 positioned at the bottom end of the conveying pipe 2, the outer diameter of the annular block 3 is identical to the inner diameter of the top end of the spray head 1, the annular block 3 is in plug-in fit with the spray head 1, a rubber gasket is embedded in the inner wall of the spray head 1 and close to the top end, one side, far away from the spray head 1, of the rubber gasket is tightly attached to the outer wall of the annular block 3 and used for enhancing the tightness of the joint of the annular block 3 and the spray head 1, and rectangular blocks 31 which are symmetrically distributed are arranged on the outer wall of the annular block 3 and close to the bottom end;

the clamping groove 11 is formed in the side wall of the spray head 1 and close to the top end, the clamping groove 11 is L-shaped, the opening is upward, the top end of the longitudinal axis part of the clamping groove 11 is the same as the outside, the inner wall space of the clamping groove 11 is the same as the outer wall space of the rectangular block 31, and the rectangular block 31 is in sliding connection with the corresponding clamping groove 11;

it should be noted that, the outer wall of the rectangular block 31 is provided with a damping rubber layer for increasing the friction between the rectangular block 31 and the inner wall of the corresponding clamping groove 11, so as to avoid the influence on the connection stability between the spray head 1 and the annular block 3 caused by the separation of the rectangular block 31 and the clamping groove 11 in the non-manual operation.

When the extrusion nozzle anti-blocking mechanism is used, the rectangular block 31 slides along the longitudinal axis part of the clamping groove 11 corresponding to the rectangular block 31, and when the rectangular block 31 moves to the bottom end of the longitudinal axis part of the clamping groove 11 corresponding to the rectangular block, the rectangular block moves to the end part along the transverse axis part of the rectangular block, so that the nozzle 1 and the annular block 3 are installed, heat is transferred to the center of the conveying pipe 2 in the working process of the heating plate 22, and then extrusion materials enter the conveying pipe 2 through the extrusion pipe of the extrusion machine and are heated, so that the blockage caused by solidification of the extrusion materials is effectively avoided;

at the same time, the motor 43 drives the rotating shaft 41 to rotate, so that the distributing plate 42 swings with it and carries out batch-wise conveying of the extrusion molding material entering the inside of the conveying pipe 2, and then the extrusion molding material enters the inside of the nozzle 1 and flows out, and the extrusion molding material is prevented from being blocked inside the nozzle 1 by reducing the amount of extrusion molding material entering the inside of the nozzle 1 once so as to reduce the pressure of the outflow amount of the nozzle 1.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an extrusion molding shower nozzle anti-blocking mechanism, includes shower nozzle (1) that are used for carrying out spun extrusion molding material, its characterized in that: the top of shower nozzle (1) is equipped with conveyer pipe (2) that are used for carrying out the guide to extrusion molding material's flow direction and prevents extrusion molding material to take place to block up anti-blocking assembly (4), inlay between the inner wall and the outer wall of conveyer pipe (2) and be equipped with hot plate (22) that are used for heating extrusion molding material, the inner wall of conveyer pipe (2) is inlayed and is equipped with the sheetmetal that is used for strengthening its heat conduction effect, still includes:

the connecting component is used for detachably connecting the spray head (1) and the conveying pipe (2);

and the clamping groove (11) is formed in the side wall of the spray head (1) and is close to the top end.

2. An extrusion nozzle anti-clogging mechanism as recited in claim 1, wherein: the anti-blocking assembly (4) comprises a rotating shaft (41) transversely arranged at the center of the conveying pipe (2), and the rotating shaft (41) is rotationally connected with the conveying pipe (2).

3. An extrusion nozzle anti-clogging mechanism as recited in claim 2, wherein: the outer wall of the rotating shaft (41) is provided with a plurality of distributing plates (42) which are distributed in an annular array, and one end, away from the rotating shaft (41), of each distributing plate (42) is attached to the inner wall of the conveying pipe (2).

4. An extrusion nozzle anti-clogging mechanism as recited in claim 3 wherein: the outer wall of the conveying pipe (2) and the position corresponding to the rotating shaft (41) are provided with motors (43), and one end of each rotating shaft (41) penetrates through the inner wall of the conveying pipe (2) and is coaxially connected with an output shaft of each motor (43).

5. An extrusion nozzle anti-clogging mechanism as recited in claim 1, wherein: the connecting assembly comprises an annular block (3) positioned at the bottom end of the conveying pipe (2), and rectangular blocks (31) which are symmetrically distributed are arranged on the outer wall of the annular block (3) and close to the bottom end.

6. An extrusion nozzle anti-clogging mechanism as recited in claim 5, wherein: the outer diameter of the annular block (3) is the same as the inner diameter of the top end of the spray head (1), and a rubber gasket is embedded in the inner wall of the spray head (1) and close to the top end.

7. An extrusion nozzle anti-clogging mechanism as recited in claim 5, wherein: the clamping groove (11) is L-shaped and is upward in opening, the top end of the longitudinal axis part of the clamping groove (11) is the same as the outside, and the inner wall space of the clamping groove (11) is the same as the outer wall space of the rectangular block (31).