CN210651802U

CN210651802U - Plastic extruder

Info

Publication number: CN210651802U
Application number: CN201921535272.6U
Authority: CN
Inventors: 余君辉
Original assignee: Zhoushan Dinghai Dongtai Plastic Machinery Co Ltd
Current assignee: Zhoushan Dinghai Dongtai Plastic Machinery Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-02
Anticipated expiration: 2029-09-17

Abstract

A plastic extruder. The heating element mainly solves the problem that a heating element in a conveying pipe of the existing plastic extruder is directly contacted with materials and is easily damaged. The method is characterized in that: the heating element is characterized by further comprising a supporting sleeve (5) made of a heat conducting material, the supporting sleeve is arranged between the heating element and the screw rod, supporting legs (51) are arranged on the supporting sleeve, and one ends of the supporting legs are arranged in the empty grooves and connected with the inner wall of the conveying cylinder. The utility model provides a plastic extruder, its heat-generating body with be equipped with the branch cover between the screw rod, prevent to damage the heat-generating body, life is longer.

Description

Plastic extruder

Technical Field

The utility model belongs to the extruder, concretely relates to plastics extruder.

Background

Extruders belong to one of the classes of plastic machines, originating from the 18 th century. The extruder can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw.

Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

A heating body in a conveying cylinder of the existing plastic extruder is in direct contact with materials and is easily damaged.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides a plastic extruder mainly solves heat-generating body and material in present plastic extruder's the conveying cylinder and is direct contact, receives the problem of damage easily.

The utility model adopts the technical proposal that:

a plastic extruder comprises a base, wherein a material conveying cylinder is arranged on the base, a screw driven by a power source to rotate is arranged in the material conveying cylinder, a plurality of heating bodies are arranged in the material conveying cylinder, and empty grooves are formed between every two adjacent heating bodies; the support sleeve is arranged between the heating body and the screw rod, support legs are arranged on the support sleeve, and one ends of the support legs are arranged in the empty grooves and connected with the inner wall of the material conveying cylinder; the heating body with the support sleeve outer wall corresponds the setting, the support sleeve inner wall with the screw rod corresponds the setting.

The outer wall of conveying cylinder circumference is equipped with first flange, still including install in the awl section of thick bamboo of conveying cylinder front end, be equipped with second flange on the awl section of thick bamboo, first flange with second flange passes through the screw connection.

Terminal surface is followed before the feed delivery section of thick bamboo circumference wall length direction extends and has a plurality of slots, the stabilizer blade bottom be equipped with slot clearance fit's picture peg, the feed delivery section of thick bamboo inner wall is equipped with first mounting hole, on the picture peg with first mounting hole corresponds and is equipped with the second mounting hole that is used for the screw connection.

The cross section of the slot is in a shape like a Chinese character 'tu'.

The power source is a motor.

Still include with the inlet pipe of conveying feed cylinder intercommunication, inlet pipe one end is equipped with the feed inlet, be equipped with in the inlet pipe and drive pivoted pivot by the power supply, be equipped with a plurality of boards that turn over on the outer wall of pivot circumference.

One end of the screw rod extends out of the material conveying cylinder and is provided with a transmission gear, and the outer wall of the rotating shaft is provided with a driven gear meshed with the transmission gear.

The utility model has the advantages that: the utility model provides a plastic extruder, its heat-generating body with be equipped with the branch cover between the screw rod, prevent to damage the heat-generating body, life is longer.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is a partial perspective view of an embodiment of the present invention.

Fig. 3 is a partial perspective view of an embodiment of the present invention.

Fig. 4 is a schematic partial sectional view of an embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, the plastic extruder comprises a base 1, wherein a feed delivery cylinder 2 is arranged on the base, a screw rod 3 driven by a power source 9 to rotate is arranged in the feed delivery cylinder, a plurality of heating bodies 31 are arranged in the feed delivery cylinder, and an empty groove 32 is formed between every two adjacent heating bodies; the support sleeve is arranged between the heating body and the screw rod, a support leg 51 is arranged on the support sleeve, and one end of the support leg is arranged in the empty groove and connected with the inner wall of the material conveying cylinder; the heating body with the support sleeve outer wall corresponds the setting, the support sleeve inner wall with the screw rod corresponds the setting. The heating body can be made of stainless steel, and materials can be in contact with the inner wall of the supporting sleeve instead of the heating body, so that the heating body is prevented from being damaged.

In this embodiment, as shown in fig. 2, the circumferential outer wall of the feed delivery cylinder is provided with a first connecting flange 21, the feed delivery cylinder further comprises a conical cylinder 4 installed at the front end of the feed delivery cylinder, the conical cylinder is provided with a second connecting flange, and the first connecting flange is connected with the second connecting flange through screws. The cone cylinder is small in front end and large in rear end, is in the prior art, is connected with the material conveying cylinder through the connecting flange structure, and is convenient to install.

In this embodiment, as shown in fig. 2, the terminal surface is followed before the feed delivery cylinder the extension of feed delivery cylinder circumference wall length direction has a plurality of slots 22, the stabilizer blade bottom be equipped with slot clearance fit's picture peg 511, the feed delivery cylinder inner wall is equipped with first mounting hole 23, on the picture peg with first mounting hole corresponds and is equipped with the second mounting hole that is used for the screw connection. When the supporting sleeve is installed, the supporting sleeve can be inserted into the conveying cylinder in the axial direction, and when the first mounting hole is aligned with the second mounting hole, the supporting sleeve is connected with the second mounting hole through a screw.

In this embodiment, as shown in fig. 2, the cross section of the slot is "convex". The installation is more firm, prevents to fall out.

In the present embodiment, as shown in fig. 2, the power source is a motor.

In this embodiment, as shown in fig. 2, the device further comprises a feeding pipe 6 communicated with the feeding cylinder, a feeding port 61 is arranged at one end of the feeding pipe, a rotating shaft 62 driven by a power source to rotate is arranged in the feeding pipe, and a plurality of turning plates 63 are arranged on the circumferential outer wall of the rotating shaft. The feeding is convenient, and the material blockage is prevented.

In this embodiment, as shown in fig. 2, a driving tooth 310 is disposed at one end of the screw rod extending out of the material conveying cylinder, and a driven tooth 621 engaged with the driving tooth is disposed on an outer wall of the rotating shaft. The structure is compact.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.

Claims

1. A plastic extruder comprises a base (1), wherein a material conveying cylinder (2) is arranged on the base, a screw (3) driven by a power source (9) to rotate is arranged in the material conveying cylinder, a plurality of heating bodies (31) are arranged in the material conveying cylinder, and empty slots (32) are formed between every two adjacent heating bodies; the method is characterized in that: the heating device is characterized by further comprising a supporting sleeve (5) made of a heat conducting material, the supporting sleeve is arranged between the heating body and the screw rod, supporting legs (51) are arranged on the supporting sleeve, and one ends of the supporting legs are arranged in the empty grooves and connected with the inner wall of the conveying cylinder;

the heating body with the support sleeve outer wall corresponds the setting, the support sleeve inner wall with the screw rod corresponds the setting.

2. A plastic extruder as claimed in claim 1, wherein: the outer wall of conveying cylinder circumference is equipped with first flange (21), still including install in awl section of thick bamboo (4) of conveying cylinder front end, be equipped with second flange on the awl section of thick bamboo, first flange with second flange passes through bolted connection.

3. A plastic extruder as claimed in claim 2, wherein: terminal surface is followed before the feed delivery section of thick bamboo circumference wall length direction extends and has a plurality of slots (22), the stabilizer blade bottom be equipped with slot clearance fit's picture peg (511), the feed delivery section of thick bamboo inner wall is equipped with first mounting hole (23), on the picture peg with first mounting hole corresponds and is equipped with the second mounting hole that is used for the screw connection.

4. A plastic extruder as claimed in claim 3, wherein: the cross section of the slot is in a shape like a Chinese character 'tu'.

5. A plastic extruder as claimed in claim 4, wherein: the power source is a motor.

6. A plastic extruder as claimed in claim 5, wherein: still include with inlet pipe (6) of conveying feed cylinder intercommunication, inlet pipe one end is equipped with feed inlet (61), be equipped with in the inlet pipe and drive pivoted pivot (62) by the power supply, be equipped with a plurality of boards (63) that turn over on the pivot circumference outer wall.

7. A plastic extruder as claimed in claim 6, wherein: one end of the screw rod extends out of the material conveying cylinder and is provided with a transmission gear, and the outer wall of the rotating shaft is provided with a driven gear (621) meshed with the transmission gear.