CN216182628U

CN216182628U - Wood-plastic section bar production mould

Info

Publication number: CN216182628U
Application number: CN202121720643.5U
Authority: CN
Inventors: 姜助人
Original assignee: Jiangsu Jiyuan Hesheng New Material Technology Co ltd
Current assignee: Jiangsu Jiyuan Hesheng New Material Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-04-05
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a wood-plastic profile production die which comprises a die body and a core rod, wherein a cavity is arranged in the die body, the core rod is coaxially arranged in the cavity, the die body comprises a compression section and a forming section, an inner cylinder is rotatably arranged in the compression section, the inner cavity of the inner cylinder is communicated with the cavity, and threads are arranged on the inner wall of the inner cylinder. Through increasing the threaded inner tube in the mould body, promote the fuse-element that flows through the inner tube through rotating the inner tube and flow to increase the pressure of mould export, improve the production efficiency and the product quality that wood was moulded.

Description

Wood-plastic section bar production mould

Technical Field

The utility model relates to the technical field of wood-plastic processing, in particular to a wood-plastic profile production die.

Background

The wood-plastic material is a composite material which is formed by taking biomass materials such as primary wood, bamboo and the like as main raw materials, mixing plastic base materials in a certain proportion and processing the mixture after special process treatment. The wood-plastic material has wide application range, can almost cover the application fields of all logs, plastics, plastic steel, aluminum alloy and other similar composite materials, can be recycled, and solves the problem of recycling of waste resources in the composite material and wood industry. Under the large environment advocating low-carbon economy nowadays, the recyclable characteristic of the wood-plastic material makes the wood-plastic material increasingly receive attention.

However, in the process of implementing the technical solution of the present invention in the embodiment of the present application, the inventor of the present application finds that at least the following problems exist in the prior art:

the melt of the wood plastic has larger relative molecular weight and poorer fluidity, so that the pressure loss of the melt of the wood plastic at a mould is larger, the production difficulty is increased, and the product quality is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wood-plastic profile production die to solve the problems mentioned in the background technology, and the utility model is realized by the following technical scheme:

a wood-plastic section production die comprises a die body and a core rod, wherein a cavity is formed in the die body, the core rod is coaxially arranged in the cavity, the die body comprises a compression section and a forming section, an inner cylinder is rotatably arranged in the compression section, the inner cavity of the inner cylinder is communicated with the cavity, and threads are arranged on the inner wall of the inner cylinder; the core rod at least partially extends into the inner cavity of the inner barrel, and the outer side of the part of the core rod extending into the inner cavity is provided with threads.

Furthermore, the inner cylinder is arranged in the cavity through a bearing, an umbrella gear ring is sleeved on the outer wall of the inner cylinder, a bevel gear is meshed on the umbrella gear ring, and the bevel gear extends out of the die body and is connected with a driving device.

Further, the driving device is a driving motor.

Furthermore, a connecting groove is arranged in the cavity of the molding section, connecting plates distributed along the radial direction are arranged on the core rod, and the connecting plates are inserted in the connecting groove.

Further, one end of the connecting plate, which is close to the compression section, is wedge-shaped.

The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:

through increasing the threaded inner tube in the mould body, promote the fuse-element that flows through the inner tube through rotating the inner tube and flow to increase the pressure of mould export, improve the production efficiency and the product quality that wood was moulded.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

fig. 2 is a partially enlarged view of fig. 1.

In the drawings, there is shown: 1. a mold body; 11. a compression section; 111. a groove; 12. a forming section; 121. connecting grooves; 13. a cavity; 2. a core rod; 21. a connecting plate; 3. an inner barrel; 31. an inner cavity; 32. a bearing; 33. a bevel gear ring; 34. a bevel gear.

Detailed Description

For better understanding of the above technical solutions, the following detailed descriptions will be made in conjunction with the drawings and the detailed description of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The wood-plastic profile production mold shown in fig. 1 comprises a mold body 1 and a core rod 2, wherein the mold body 1 comprises a compression section 11 and a molding section 12, a cavity 13 is arranged in the mold body 1, the core rod 2 is coaxially and concentrically arranged in the cavity 13, an inner cylinder 3 is rotatably arranged in the compression section 11, an inner cavity 31 of the inner cylinder 3 is communicated with the cavity 13, and threads are arranged on the inner wall of the inner cylinder 3; the core rod 2 at least partially extends into the inner cavity 31 of the inner cylinder 3, and the outer side of the part of the core rod 2 extending into the inner cavity 31 is provided with threads.

Specifically, the right side of the compression section 11 is connected with an extruder (not shown), a groove 111 is formed in a cavity of the compression section 11, bearings 32 are installed at two ends of the groove 111, the inner cylinder 3 is arranged in the cavity 13 through the bearings 32, and the outer wall of the inner cylinder 3 and the cavity wall of the cavity 13 form a sealing surface to prevent the melt from leaking into the groove 111; the outer wall of the inner cylinder 3 is sleeved with a bevel gear ring 33, a bevel gear 34 is meshed on the bevel gear ring 33, and the upper end of the bevel gear 34 extends out of the die body 1 and is connected with a driving motor; the core rod 2 partially extends into the inner cavity 31 of the inner cylinder 3, and the outer side of the part of the core rod 2 extending into the inner cavity 31 is provided with threads.

The driving motor drives the inner cylinder to rotate through the bevel gear and the bevel gear ring, and the melt is pushed to move to the left side through the threads on the inner wall of the inner cylinder, so that the pressure at the outlet of the die is increased, the compactness of the wood-plastic section is improved, and the quality of a product is guaranteed.

Specifically, as shown in fig. 1 and 2, a connecting groove 121 is disposed in the cavity of the forming section 12, and the opening of the connecting groove 121 faces the compressing section 11; the core rod 2 is provided with connecting plates 21 distributed along the radial direction, the connecting plates 21 are inserted into the connecting grooves 121 from right to left, and the melt moves from right to left, so that the melt always provides leftward thrust to the core rod, and the core rod is prevented from loosening. Preferably, the connecting groove 121 is a dovetail groove, and the end of the connecting plate 21 matches the section of the connecting groove 121.

Preferably, the end of the connecting plate 21 abutting the compression section 11 is wedge-shaped to better achieve the flow splitting effect.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wood plastic profile production mould, includes mould body and plug, this internal cavity that is provided with of mould, the plug sets up with the axle heart in the cavity, its characterized in that: the die body comprises a compression section and a molding section, an inner cylinder is rotatably arranged in the compression section, an inner cavity of the inner cylinder is communicated with the cavity, and threads are arranged on the inner wall of the inner cylinder; the core rod at least partially extends into the inner cavity of the inner barrel, and threads are arranged on the outer side of the part, extending into the inner cavity, of the core rod.

2. The wood-plastic profile production mold as claimed in claim 1, wherein the inner cylinder is disposed in the cavity through a bearing, an umbrella gear ring is sleeved on an outer wall of the inner cylinder, a bevel gear is engaged with the umbrella gear ring, and the bevel gear extends out of the mold body and is connected with a driving device.

3. The wood plastic profile production mold according to claim 2, wherein the driving device is a driving motor.

4. The wood-plastic profile production mold as claimed in claim 1, wherein a connecting groove is formed in the cavity of the forming section, connecting plates are radially distributed on the core rod, and the connecting plates are inserted into the connecting groove.

5. A wood-plastic section production mould according to claim 4, wherein one end of the connecting plate abutting against the compression section is wedge-shaped.