CN219466959U

CN219466959U - Screw structure for producing irradiation-free TPE

Info

Publication number: CN219466959U
Application number: CN202320526640.0U
Authority: CN
Inventors: 杨建�; 刘力; 李红霞; 储俊峰
Original assignee: Jiangsu Beihua New Oak New Material Technology Co ltd
Current assignee: Jiangsu Beihua New Oak New Material Technology Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-08-04
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a screw structure, belongs to the technical field of TPE production equipment, and particularly relates to a screw structure for producing an irradiation-free TPE, wherein the screw structure comprises a first screw and a second screw; the first screw rod and the second screw rod have the same structure and are arranged in a parallel and symmetrical mode; the screw rod is composed of a feeding end, a discharging end and a material conveying rod; the material conveying rod is sequentially provided with a feeding section, a rough smelting section, a refining section and a discharging section along the length direction from the feeding end to the discharging end; the utility model realizes the manufacture of materials with different fineness by arranging the rough smelting section and the refining section, and meanwhile, the discharging end is connected in a detachable mode, so that the blades of different types are convenient to replace, and particles of different types can be manufactured, thereby improving the application range of equipment.

Description

Screw structure for producing irradiation-free TPE

Technical Field

The utility model discloses a screw structure, belongs to the technical field of TPE production equipment, and particularly relates to a screw structure for producing irradiation-free TPE.

Background

TPE has the characteristics of environmental protection and no toxicity, is also called thermoplastic elastomer, and is a high polymer material (without vulcanization) which has the characteristics of both plastic and rubber, shows the high elasticity of rubber at normal temperature and can be plasticized and molded at high temperature. The thermoplastic elastomer is structurally characterized in that the thermoplastic elastomer consists of resin segments and rubber segments which are different in chemical bond, and the resin segments form physical crosslinking points by means of inter-chain acting force.

Therefore, due to the structural characteristics of the TPE materials in the prior art, the TPE materials can enter a granulator for production by adopting irradiation-free treatment, the TPE materials are usually produced by adopting a screw granulator/extruder, but some of the screws of the granulator/extruder in the prior art only adopt single screws for working, so that the granulation quality is low, and some of the TPE materials adopt double-screw or multi-screw granulator/extruders, although the granulation quality is improved, the TPE materials cannot be applied to high-precision occasions, and if the situation of uneven granulating exists, the situation of clamping of the granulator/extruder can be caused.

Disclosure of Invention

The utility model aims to: a screw structure for producing an irradiation-free TPE is provided which solves the above-mentioned problems.

The technical scheme is as follows: a screw structure for producing an irradiation free TPE, the screw structure comprising a first screw and a second screw;

the first screw rod and the second screw rod have the same structure and are arranged in a parallel and symmetrical mode;

the screw rod is composed of a feeding end, a discharging end and a material conveying rod; the material conveying rod is sequentially provided with a feeding section, a rough smelting section, a refining section and a discharging section along the length direction from the feeding end to the discharging end;

and the cylindrical surfaces of the feeding section, the roughing section, the refining section, the discharging section and the discharging end are provided with rotary blades.

In a further embodiment, the feeding section and the discharging section have the same structure and are composed of a cylindrical section and a round table section; the surfaces of the cylindrical section and the circular table section are respectively provided with a plurality of first blades which are arranged in a rotating mode but are not connected end to end.

In a further embodiment, a plurality of second blades are independently arranged on the cylindrical surface of the roughing section.

In a further embodiment, a plurality of third blades are arranged in a rotating manner on the cylindrical surface of the refining section, but are not connected end to end.

In a further embodiment, a plurality of different third blades are arranged on the cylindrical surface of the discharging end; the discharge end and the discharge section are detachably mounted.

In a further embodiment, the blades on the feed section, the roughing section, the refining section, the discharge section and the discharge end form grooves with the circumferential surface.

In a further embodiment, the channel width of the refining section is less than the channel width of the feed section, roughing section, discharge section and discharge end.

In a further embodiment, the feeding end is provided with a clamping groove.

In a further embodiment, the first screw and the second screw are installed in a housing, and a feeding hole is formed in the top of the housing.

The beneficial effects are that: the utility model discloses a screw structure, belongs to the technical field of TPE production equipment, and particularly relates to a screw structure for producing an irradiation-free TPE, wherein the screw structure comprises a first screw and a second screw; the first screw rod and the second screw rod have the same structure and are arranged in a parallel and symmetrical mode; the screw rod is composed of a feeding end, a discharging end and a material conveying rod; the material conveying rod is sequentially provided with a feeding section, a rough smelting section, a refining section and a discharging section along the length direction from the feeding end to the discharging end; the utility model realizes the manufacture of different fineness of materials by arranging the rough smelting section and the refining section, and simultaneously the discharging end is connected in a detachable mode, so that different types of blades are convenient to replace, different types of particles can be manufactured, the application range of equipment is improved, particles which do not meet the standard can be filtered, and the quality of products is improved.

Drawings

FIG. 1 is a schematic view of the screw structure of the present utility model.

FIG. 2 is a schematic view of a screw of the present utility model.

FIG. 3 is a schematic view of a screw of the present utility model.

Fig. 4 is a cross-sectional view of the feed end of the present utility model.

Reference numerals: the device comprises a first screw 1, a second screw 2, a feeding end 3, a discharging end 4, a feeding section 5, a roughing section 6, a refining section 7, a discharging section 8, a clamping groove 9, a shell 10 and a feeding hole 11.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

A screw structure for producing an irradiation free TPE comprising: a first screw 1, a second screw 2 and a housing 10.

In one embodiment, as shown in fig. 1 and 2, the first screw 1 and the second screw 2 have the same structure and are arranged in a parallel symmetrical manner;

the screw rod is composed of a feeding end 3, a discharging end 4 and a material conveying rod; the material conveying rod is sequentially provided with a feeding section 5, a roughing section 6, a refining section 7 and a discharging section 8 along the length direction from the feeding end 3 to the discharging end 4;

the cylindrical surfaces of the feeding section 5, the roughing section 6, the refining section 7, the discharging section 8 and the discharging end 4 are provided with rotary blades.

In one embodiment, as shown in fig. 2, the feeding section 5 and the discharging section 8 have the same structure and are composed of a cylindrical section and a circular truncated cone section; the surfaces of the cylindrical section and the circular table section are respectively provided with a plurality of first blades which are arranged in a rotating mode but are not connected end to end.

In one embodiment, as shown in fig. 2, the cylindrical surface of the refining section 6 is provided with a plurality of second blades which are independently arranged.

In one embodiment, as shown in fig. 2, the cylindrical surface of the refining section 7 is provided with a plurality of third blades arranged in a rotating manner, but not connected end to end.

In one embodiment, as shown in fig. 3, a plurality of different third blades are arranged on the cylindrical surface of the discharging end 4; the discharge end 4 and the discharge section 8 are detachably mounted.

In one embodiment, as shown in fig. 2, the blades on the feed section 5, the roughing section 6, the refining section 7, the discharge section 8 and the discharge end 4 form grooves with the circumferential surface.

In one embodiment, as shown in fig. 2, the channel width of the refining section 7 is smaller than the channel width of the feed section 5, the roughing section 6, the discharge section 8 and the discharge end 4.

In one embodiment, as shown in fig. 4, the feeding end 3 is provided with a clamping groove 9.

In one embodiment, as shown in fig. 1, a feeding hole 11 is formed at the top of the housing 10.

Working principle: before working, the utility model can connect the discharge end 4 meeting the working requirement to the discharge section 8, meanwhile, the feed end is connected with an external motor rotating shaft, the feed hole 11 is used for placing materials, meanwhile, the motor rotates to drive the first screw 1 and the second screw 2 to work, at the moment, the first screw 1 and the second screw 2 adopt reverse movement, the materials are input through the feed section 5, are forwards rotated through a screw groove, enter the roughing section 6 for preliminary mixing, slowly enter the refining section 7 for fine mixing, finally, are discharged through the discharge section 8, and are granulated and output through the discharge end 4;

the feeding section 5 and the discharging section 8 in the utility model have the same structure and are both a section of cylinder section and a section of circular table section, and the gradient of the circular table is utilized to slow down the advance of materials, so that the materials can be uniformly mixed.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A screw structure for producing an irradiation-free TPE, the screw structure comprising a first screw and a second screw;

2. The screw structure for producing irradiation-free TPE according to claim 1, wherein the feeding section and the discharging section have the same structure and are composed of a cylindrical section and a round table section; the surfaces of the cylindrical section and the circular table section are respectively provided with a plurality of first blades which are arranged in a rotating mode but are not connected end to end.

3. The screw structure for producing irradiation-free TPE according to claim 1, wherein a plurality of second blades are independently arranged on the cylindrical surface of the roughing section.

4. A screw structure for producing an irradiation free TPE as in claim 1 wherein the cylindrical surface of the refining section is provided with a plurality of third blades arranged in a rotating fashion but not end to end.

5. The screw structure for producing the irradiation-free TPE according to claim 1, wherein a plurality of different third blades are arranged on the cylindrical surface of the discharging end; the discharge end and the discharge section are detachably mounted.

6. The screw structure for producing irradiation free TPE of claim 1, wherein the blades on the feed section, the roughing section, the refining section, the discharge section and the discharge end form grooves with the circumferential surface.

7. The screw structure for producing an irradiation free TPE of claim 6 wherein the channel width of the refining section is less than the channel widths of the feed section, roughing section, discharge section and discharge end.

8. The screw structure for producing irradiation-free TPE according to claim 1, wherein the feeding end is provided with a clamping groove.

9. The screw structure for producing the irradiation-free TPE according to claim 1, wherein the first screw and the second screw are installed in a shell, and a feeding hole is formed in the top of the shell.