CN216579069U

CN216579069U - High-efficient plastify structure of extruding

Info

Publication number: CN216579069U
Application number: CN202123148867.6U
Authority: CN
Inventors: 张建群; 戴强; 程伟; 刘茂建
Original assignee: Shandong Tongjia Intelligent Equipment Co ltd
Current assignee: Shandong Tongjia Intelligent Equipment Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-24
Anticipated expiration: 2031-12-15

Abstract

The application relates to injection molding machine equipment technical field, more specifically relates to a plasticizing structure is extruded to high efficiency: the screw rod is arranged in the screw cylinder in an axial rotation structure mode; the screw barrel comprises a rotary sleeve, a first screw barrel and a second screw barrel, a plurality of circles of first turbulence structures are uniformly arranged on the inner wall of the rotary sleeve along the circumference, and each circle of first turbulence structures is uniformly formed by a preset number of bulges A; the screw comprises a melting section, a homogenizing section and an extruding section, the melting section is connected with the extruding section in a fixed structure mode through the homogenizing section, a plurality of circles of second turbulence structures are uniformly arranged on the outer wall of the melting section along the circumference, the second turbulence structures and the first turbulence structures are arranged in an engaged mode along the axial direction of the screw at intervals, and each circle of second turbulence structures is uniformly formed by a preset number of bulges B; through the rotation of swivel sleeve, the melting charge that drives the barrel inside is through the disturbance and intensive mixing, guarantees the product homogenization quality, improves plastify efficiency.

Description

High-efficient plastify structure of extruding

The technical field is as follows:

the application relates to the technical field of injection molding machine equipment, and more particularly relates to a high-efficiency extrusion plasticizing structure.

Background art:

an injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould.

In one cycle of an injection molding machine, after a certain amount of plastic is heated and plasticized within a specified time, the molten plastic is injected into a mold cavity through pushing, compacting and homogenizing of a screw at a certain pressure and speed, and the homogenizing effect of the screw on a melt is poor due to the smooth inner wall of a screw cylinder; and a gap exists between the screw barrel and the screw rod, so that the melt in the gap cannot be homogenized, and the quality defect of a finished product is caused.

The utility model has the following contents:

in order to solve the technical problems, the utility model provides a high-efficiency extrusion plasticizing structure, which solves the technical problems that: the screw has poor homogenization effect on the melt, and cannot homogenize the melt between the screw barrel and the screw. In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a high-efficiency extrusion plasticizing structure comprises a screw barrel and a screw, wherein the screw is arranged in the screw barrel in an axial rotation structure mode;

the screw barrel comprises a rotary sleeve, a first screw barrel and a second screw barrel, two ends of the rotary sleeve are respectively connected with the first screw barrel and the second screw barrel in a rotating structure mode, a plurality of circles of first turbulence structures are uniformly arranged on the inner wall of the rotary sleeve along the circumference, and each circle of first turbulence structures is uniformly formed by a preset number of bulges A;

the screw rod includes melting section, homogeneity section and extrudes the section, melting section passes through the homogeneity section and extrudes the section and link to each other with the fixed knot structure mode, melting section is located first spiral shell section of thick bamboo, the homogeneity section is located the rotating sleeve, it is located the second spiral shell section of thick bamboo to extrude the section, melting section outer wall has a plurality of rings of second vortex structures along circumference align to grid, second vortex structure and first vortex structure along screw rod axial interval interlock setting, every ring of second vortex structure is evenly constituteed by the protruding B of predetermineeing quantity.

Furthermore, a feed inlet is formed in the side wall, away from the rotary sleeve, of the first screw cylinder, and a discharge outlet is formed in one end, away from the rotary sleeve, of the second screw cylinder.

Further, the outer walls of the first screw cylinder and the second screw cylinder are provided with heating blocks.

Furthermore, the outer peripheral walls of the melting section and the extrusion section are both provided with threads in a spiral structure, and the rotation direction of the threads is the same as the rotation direction of the screw.

Further, the rotation direction of the screw is opposite to that of the rotary sleeve.

Further, the rotation direction of the screw is the same as that of the rotary sleeve.

Furthermore, the peripheral wall of the rotary sleeve is uniformly provided with a plurality of belt grooves.

Furthermore, sealing rings are arranged at the joints of the two ends of the rotating sleeve and the first screw cylinder and the second screw cylinder respectively.

Furthermore, the protrusion a and the protrusion B are both diamond-shaped structures.

The utility model has the beneficial effects that: through setting up the arch at swivel nut and homogeneity section, through the rotation of swivel nut, drive the inside melting charge of spiral shell section of thick bamboo through the disturbance and intensive mixing, guarantee product homogenization quality, improve plastify efficiency.

Description of the drawings:

fig. 1 is a schematic diagram of the exploded sectional structure of the present invention.

In the figure:

1. the device comprises a first barrel, a second barrel, a rotating sleeve, a protrusion A, a protrusion 5, a melting section, a homogenizing section, a extruding section, a feeding port, a discharging port, a heating block, a screw thread, a screw groove 13, a belt groove 14 and a sealing ring, wherein the first barrel is 2, the second barrel is 3, the rotating sleeve is 4, the protrusion A is 5, the melting section is 6, the homogenizing section is 7, the extruding section is 8, the protrusion B is 9, the feeding port is 10, the discharging port is 11, the heating block is 12, the screw thread is 13, the belt groove is 14.

The specific implementation mode is as follows:

to further clarify the objects, technical solutions and advantages of the present invention, the present invention will now be described in further detail with reference to the accompanying drawings and the following examples so that the public may better understand the method of carrying out the present invention, and the specific embodiments of the present invention are:

a high-efficiency extrusion plasticizing structure comprises a screw barrel and a screw, wherein the screw is arranged in the screw barrel in an axial rotation structure mode; the screw cylinder comprises a rotary sleeve 3, a first screw cylinder 1 and a second screw cylinder 2, two ends of the rotary sleeve 3 are respectively connected with the first screw cylinder 1 and the second screw cylinder 2 in a rotating structure mode, a plurality of circles of first turbulence structures are uniformly arranged on the inner wall of the rotary sleeve 3 along the circumference, and each circle of first turbulence structures is uniformly formed by a preset number of bulges A4; the screw rod includes melting section 5, homogeneity section 6 and extrudes section 7, melting section 5 links to each other with extrusion section 7 with fixed knot structure mode through homogeneity section 6, melting section 5 is located first barrel 1, homogeneity section 6 is located rotary sleeve 3, extrusion section 7 is located

second barrel

2, 5 outer walls of melting section have a plurality of rings of second vortex structures along circumference align to grid, the setting of screw rod axial interval interlock is followed with first vortex structure to the second vortex structure, every ring of second vortex structure is evenly constituteed by the protruding B8 of predetermineeing quantity.

A feed inlet 9 is formed in the side wall, away from the rotary sleeve 3, of the first screw barrel 1, and a discharge outlet 10 is formed in one end, away from the rotary sleeve 3, of the second screw barrel 2.

The outer walls of the first screw cylinder 1 and the second screw cylinder 2 are both provided with heating blocks 11.

The outer peripheral walls of the melting section 5 and the extrusion section 7 are both provided with threads 12 in a spiral structure, and the rotation direction of the threads 12 is the same as the rotation direction of the screw.

In this embodiment, the rotation direction of the screw is opposite to that of the rotary sleeve 3, double stirring efficiency is obtained through a positive-negative structural design, and stirring can be more uniform.

In other embodiments, the screw rotates in the same direction as the rotating sleeve 3, and the rotating speed of the screw is less than that of the rotating sleeve 3, so that the protrusions a in the rotating sleeve 3 can stir the melt, and the homogenization is more complete.

The peripheral wall of the rotary sleeve 3 is uniformly provided with a plurality of rings of belt grooves 13, and the rotary sleeve 3 can be driven to rotate through a belt.

And sealing rings 14 are arranged at the joints of the two ends of the rotary sleeve 3 and the first screw cylinder 1 and the second screw cylinder 2 respectively, so that the melt is prevented from leaking outwards.

The protrusions A4 and the protrusions B8 are of diamond-shaped block structures, so that the design is low in resistance and energy consumption is saved.

The working principle and the working process of the utility model are as follows: firstly, the screw barrel is heated by a heating block 11, the belt drives the rotary sleeve 3 to rotate forward, after a certain time, materials are put into the first screw barrel 1 through a feed port 9, the screw rod rotates reversely, and the materials move forward under the pushing of a screw rod melting section 5 and are further heated to be in a melting state; when the material of molten condition was through homogeneity section 6, protruding A4 and protruding B8 stirred it for the material mixes more evenly, is heating through second barrel 2, and the homogenization is more thorough, and then extrudees through extruding section 7 and discharges from discharge gate 10.

In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "front", "rear", "left lower", "right upper", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. While the utility model has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that other embodiments can be devised which do not depart from the scope of the utility model as disclosed herein.

Claims

1. The utility model provides a plasticizing structure is extruded to high efficiency which characterized in that: the screw rod is arranged in the screw cylinder in an axial rotation structure mode;

the screw cylinder comprises a rotary sleeve (3), a first screw cylinder (1) and a second screw cylinder (2), two ends of the rotary sleeve (3) are respectively connected with the first screw cylinder (1) and the second screw cylinder (2) in a rotating structure mode, a plurality of circles of first turbulence structures are uniformly arranged on the inner wall of the rotary sleeve (3) along the circumference, and each circle of first turbulence structures is uniformly formed by a preset number of bulges A (4);

the screw rod includes melting section (5), homogeneity section (6) and extrude section (7), melting section (5) link to each other with fixed knot structure mode through homogeneity section (6) and extrusion section (7), melting section (5) are located first barrel (1), homogeneity section (6) are located swivel nut (3), extrusion section (7) are located second barrel (2), melting section (5) outer wall has a plurality of rings of second vortex structures along circumference align to grid, second vortex structure and first vortex structure are along screw rod axial interval interlock setting, every ring of second vortex structure is evenly constituteed by protruding B (8) of predetermineeing quantity.

2. An efficient extrusion plasticizing structure as defined in claim 1, wherein: a feed inlet (9) is formed in the side wall, away from the rotary sleeve (3), of the first screw cylinder (1), and a discharge outlet (10) is formed in one end, away from the rotary sleeve (3), of the second screw cylinder (2).

3. An efficient extrusion plasticizing structure according to claim 2, characterized in that: the outer walls of the first screw cylinder (1) and the second screw cylinder (2) are both provided with heating blocks (11).

4. An efficient extrusion plasticizing structure as defined in claim 1, wherein: the outer peripheral walls of the melting section (5) and the extrusion section (7) are provided with screw threads (12) in a spiral structure, and the rotation direction of the screw threads (12) is the same as the rotation direction of the screw.

5. An efficient extrusion plasticizing structure according to claim 4, characterized in that: the rotation direction of the screw is opposite to the rotation direction of the rotary sleeve (3).

6. An efficient extrusion plasticizing structure according to claim 4, characterized in that: the rotation direction of the screw is the same as that of the rotary sleeve (3).

7. An efficient extrusion plasticizing structure according to claim 5 or 6, characterized in that: the peripheral wall of the rotary sleeve (3) is uniformly provided with a plurality of circles of belt grooves (13).

8. An efficient extrusion plasticizing structure as defined in claim 1, wherein: sealing rings (14) are arranged at the joints of the two ends of the rotary sleeve (3) and the first screw cylinder (1) and the second screw cylinder (2) respectively.

9. An efficient extrusion plasticizing structure according to claim 1, characterized in that: the protrusion A (4) and the protrusion B (8) are both in a diamond block structure.