Foaming screw rod capable of easily manufacturing heat conduction runner

Abstract

The utility model discloses a foaming screw easy to manufacture a heat conduction runner, which comprises a foaming screw main body, a plurality of functional sections are sequentially arranged from the tail end to the front end of the foaming screw main body, the center of the foaming screw main body is provided with a cavity extending from the tail end to the front end of the foaming screw main body, and the section of the cavity is circular. A cavity is formed in the base, a partition plate is inserted into the cavity, inserting grooves allowing the two side edges of the partition plate to be inserted are formed in the side wall of the cavity, the cavity is divided into a heat conduction inlet cavity and a heat conduction outlet cavity through the partition plate, and a through hole used for connecting the heat conduction inlet cavity with the heat conduction outlet cavity is formed in the front end of the partition plate. According to the utility model, the manufacturing difficulty is effectively reduced, and the partition plate can be detached, so that the inner arm of the cavity can be conveniently cleaned, and the manufacturing and the production are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field related to foaming screws, in particular to a foaming screw which is easy to manufacture a heat conduction channel. Background Art

[0002] The foaming screw can mix the molten material with the supercritical fluid. The mixing of the molten material and the supercritical fluid occurs in the supercritical fluid injection section of the screw. The main body of the screw is provided with a feeding section, a compression section, a melting section, a homogenization section, a mixing section and a discharging section in sequence according to the feeding direction. The compression section, the melting section and the homogenization section are provided with spirally arranged screw ridges. As the screw rotates, the mixture is pushed forward to the compression section and the metering section, and then pushed into the mold. The existing method currently controls the temperature of the foaming screw by introducing a certain stable water body into the foaming screw, and there are certain difficulties in making the internal heat conduction channel of the foaming screw. Utility Model Content

[0003] In order to solve the defect of the prior art that it is difficult to manufacture the internal heat conduction channel of the foaming screw, the utility model provides a foaming screw with an easy-to-manufacture heat conduction channel.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses a foaming screw which is easy to manufacture a heat-conducting flow channel, comprising a foaming screw body, wherein the diameter from the end to the front end of the foaming screw body is sequentially divided into several functional sections, a cavity extending from the end to the front end of the foaming screw body is provided at the center of the foaming screw body, and the cavity is circular in cross section, and a partition plate is inserted into the cavity, and slots for inserting the side edges of the partition plate are provided on the side walls of the cavity, and the cavity is divided into a heat-conducting inlet cavity and a heat-conducting outlet cavity by the partition plate, and a through hole for connecting the heat-conducting inlet cavity and the heat-conducting outlet cavity is provided at the front end of the partition plate.

[0006] As a preferred technical solution of the utility model, the foaming screw body is provided with a positioning mechanism for fixing the partition plate inserted into the cavity.

[0007] As a preferred technical solution of the utility model, the positioning mechanism includes an annular groove forged on the foaming screw body and located at the cavity port, a positioning screw hole is provided on the bottom side of the annular groove, and a limiting ring block for limiting the partition plate is installed in the annular groove, a positioning hole corresponding to the positioning screw hole is provided on the limiting ring block, and a positioning bolt is installed between the positioning hole and the positioning screw hole.

[0008] As a preferred technical solution of the utility model, the partition plate is made of a heat-conducting steel plate.

[0009] As a preferred technical solution of the utility model, the partition plate is an S-shaped curved plate.

[0010] The beneficial effects of the utility model are:

[0011] This kind of foaming screw with easy-to-manufacture heat-conducting flow channel only needs to be provided with a cavity extending from the end of the foaming screw body to the front end in the center of the foaming screw body during production, a partition plate is inserted into the cavity, and slots for inserting the two side edges of the partition plate are provided on the side walls of the cavity, and the cavity is divided into a heat-conducting inlet cavity and a heat-conducting outlet cavity by the partition plate, and a through hole for connecting the heat-conducting inlet cavity and the heat-conducting outlet cavity is provided at the front end of the partition plate, which effectively reduces the manufacturing difficulty, and the partition plate can be disassembled, which is convenient for cleaning the inner arm of the cavity, thereby facilitating manufacturing and production. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 This is a schematic structural diagram of a foaming screw that is easy to manufacture a heat-conducting flow channel in the utility model;

[0014] Figure 2 This is a schematic diagram of the positioning mechanism structure of a foaming screw that is easy to manufacture a heat-conducting flow channel in the utility model;

[0015] Figure 3 This is a schematic diagram of a separation installation structure of a foaming screw that is easy to manufacture a heat-conducting flow channel in the utility model;

[0016] Figure 4 The utility model is a structural schematic diagram of a slot of a foaming screw which is easy to manufacture a heat conduction flow channel.

[0017] In the figure: 1. Foaming screw body; 2. Functional section; 3. Partition plate; 4. Slot; 5. Heat conduction inlet cavity; 6. Heat conduction outlet cavity; 7. Through hole; 8. Annular groove; 9. Positioning screw hole; 10. Limiting ring block; 11. Positioning hole; 12. Positioning bolt. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0019] Example: Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model is a foaming screw that is easy to manufacture a heat-conducting flow channel, including a foaming screw body 1, a plurality of functional sections 2 are arranged in sequence from the end to the front end of the foaming screw body 1, a cavity is provided at the center of the foaming screw body 1 and extends from the end to the front end, and the cross-section of the cavity is circular, and a partition plate 3 is inserted into the cavity, and slots 4 for inserting the side edges of the partition plate 3 are provided on the side walls of the cavity, and the cavity is divided into a heat-conducting inlet cavity 5 and a heat-conducting outlet cavity 6 through the partition plate 3, and a through hole 7 for connecting the heat-conducting inlet cavity 5 and the heat-conducting outlet cavity 6 is provided at the front end of the partition plate 3. During production, it is only necessary to provide a cavity extending from the end of the foaming screw body to the front end in the center of the foaming screw body, and a partition plate 3 is inserted into the cavity. The side walls of the cavity are provided with slots 4 for inserting the two side edges of the partition plate 3, and the cavity is divided into a heat conduction inlet cavity 5 and a heat conduction outlet cavity 6 through the partition plate 3, and a through hole 7 for connecting the heat conduction inlet cavity 5 and the heat conduction outlet cavity 6 is provided at the front end of the partition plate 3, which effectively reduces the manufacturing difficulty, and the partition plate can be disassembled, which is convenient for cleaning the inner arm of the cavity, thereby facilitating manufacturing and production.

[0020] The foaming screw body 1 is provided with a positioning mechanism for fixing the partition plate 3 inserted into the cavity. The positioning mechanism includes an annular groove 8 forged on the foaming screw body 1 and located at the cavity port, a positioning screw hole 9 is provided at the bottom side of the annular groove 8, and a limiting ring block 10 for limiting the partition plate 3 is installed in the annular groove 8, a positioning hole 11 corresponding to the positioning screw hole 9 is provided on the limiting ring block 10, and a positioning bolt 12 is installed between the positioning hole 11 and the positioning screw hole 9, so that the limiting ring block 10 is used to limit the partition plate 3, thereby avoiding displacement of the partition plate, and facilitating disassembly and installation, and facilitating later cleaning and maintenance work.

[0021] The partition plate 3 is made of a heat-conducting steel plate, so as to ensure the uniformity of temperature distribution between the heat-conducting inlet cavity 5 and the heat-conducting outlet cavity 6, so that the temperature distribution of the foaming screw is uniform.

[0022] Among them, the partition plate 3 is an S-shaped curved plate, so that there is a larger heat exchange area between the heat conduction inlet cavity 5 and the heat conduction outlet cavity 6, thereby ensuring the uniformity of temperature distribution between the heat conduction inlet cavity 5 and the heat conduction outlet cavity 6, so that the temperature distribution of the foaming screw is uniform.

[0023] When working, this kind of foaming screw with easy-to-manufacture heat-conducting flow channel only needs to be provided with a cavity extending from the end of the foaming screw body to the front end in the center of the foaming screw body during production, and a partition plate 3 is inserted into the cavity, and a slot 4 is provided on the side wall of the cavity for the two side edges of the partition plate 3 to be inserted, and the cavity is divided into a heat-conducting inlet cavity 5 and a heat-conducting outlet cavity 6 through the partition plate 3, and a through hole 7 for connecting the heat-conducting inlet cavity 5 and the heat-conducting outlet cavity 6 is provided at the front end of the partition plate 3, which effectively reduces the manufacturing difficulty, and the partition plate can be disassembled, which is convenient for cleaning the inner arm of the cavity, thereby facilitating manufacturing and production.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A foaming screw that is easy to manufacture a heat-conducting flow channel, characterized in that: The invention comprises a foaming screw body (1), wherein the diameter from the end to the front end of the foaming screw body (1) is sequentially divided into a plurality of functional sections (2), wherein a cavity extending from the end to the front end of the foaming screw body (1) is provided at the center of the foaming screw body (1), and wherein the cavity has a circular cross section, and wherein a partition plate (3) is inserted into the cavity, wherein slots (4) are provided on the side walls of the cavity for inserting the side edges of the partition plate (3), and wherein the cavity is divided into a heat conduction inlet cavity (5) and a heat conduction outlet cavity (6) through the partition plate (3), and wherein a through hole (7) for connecting the heat conduction inlet cavity (5) and the heat conduction outlet cavity (6) is provided at the front end of the partition plate (3).

2. A foaming screw that is easy to manufacture a heat-conducting flow channel according to claim 1, characterized in that: The foaming screw body (1) is provided with a positioning mechanism for fixing the partition plate (3) inserted into the cavity.

3. A foaming screw that is easy to manufacture a heat conduction channel according to claim 2, characterized in that: The positioning mechanism comprises an annular groove (8) forged on the foaming screw body (1) and located at the cavity port, a positioning screw hole (9) is provided on the bottom side of the annular groove (8), and a limiting ring block (10) is installed in the annular groove (8) for limiting the partition plate (3), a positioning hole (11) corresponding to the positioning screw hole (9) is provided on the limiting ring block (10), and a positioning bolt (12) is installed between the positioning hole (11) and the positioning screw hole (9).

4. A foaming screw that is easy to manufacture a heat-conducting flow channel according to claim 3, characterized in that: The partition plate (3) is made of a heat-conducting steel plate.

5. The foaming screw for easily manufacturing a heat-conducting flow channel according to claim 1, characterized in that: The partition plate (3) is an S-shaped curved plate.

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