阅读说明：本技术 一种塑料螺纹管生产用挤压成型机 (Extrusion molding machine is used in production of plastics screwed pipe ) 是由 汪发兵 于 2019-12-13 设计创作，主要内容包括：本发明公开了一种塑料螺纹管生产用挤压成型机,包括底座成型壳,所述底座顶端左侧焊接有挤压壳,所述挤压壳前后对称卡合安装有液压缸,所述成型壳内壁卡合有压装板,并通过螺杆转动固定于成型壳。本发明通过螺杆、压装板和压装纹的设置,通过螺杆转动连接有压装板,使得压装板贴合成型壳,使得压装纹对塑料螺纹管进行挤压成型,便于快速更换压装板,便于对不同造型的螺纹管进行压装,较为实用,适合广泛推广与使用。(The invention discloses an extrusion molding machine for producing a plastic threaded pipe, which comprises a base molding shell, wherein an extrusion shell is welded on the left side of the top end of the base, hydraulic cylinders are symmetrically clamped and mounted in the front and the back of the extrusion shell, and a pressing plate is clamped and mounted on the inner wall of the molding shell and is fixed to the molding shell through a screw in a rotating mode. According to the invention, through the arrangement of the screw rod, the press-mounting plate and the press-mounting patterns, the press-mounting plate is connected through the rotation of the screw rod, so that the press-mounting plate is pasted into the shell, the press-mounting patterns are used for carrying out extrusion forming on the plastic threaded pipe, the press-mounting plate is convenient to replace quickly, the press-mounting plate is convenient to carry out press-mounting on the threaded pipes with different shapes, and the press-mounting plate is practical and suitable for wide.)

1. The utility model provides an extrusion molding machine is used in production of plastics screwed pipe, includes base (1) and shaping shell (7), its characterized in that: the base (1) top left side welding has extrusion shell (2), pneumatic cylinder (3) are installed to extrusion shell (2) symmetry block from beginning to end, pressure equipment board (9) are blocked to forming shell (7) inner wall block to be fixed in forming shell (7) through screw rod (6) rotation.

2. The extrusion molding machine for producing plastic threaded pipes as claimed in claim 1, wherein: press-fitting grains (10) are arranged in the press-fitting plate (9) at equal intervals.

3. The extrusion molding machine for producing plastic threaded pipes as claimed in claim 1, wherein: the front end of the hydraulic cylinder (3) is fixedly connected with a hydraulic rod (8), and the front end of the hydraulic rod (8) is welded on the forming shell (7).

4. The extrusion molding machine for producing plastic threaded pipes as claimed in claim 1, wherein: the welding of base (1) top right side has electric putter (5), fixed column (4) are fixed to electric putter (5) left end.

5. The extrusion molding machine for producing plastic threaded pipes as claimed in claim 4, wherein: the outer wall of the fixing column (4) is wrapped by a heating layer (12), and an inner press-fitting sleeve (11) is nested on the outer wall of the heating layer (12).

Technical Field

The invention relates to the technical field of plastic threaded pipes, in particular to an extrusion molding machine for producing plastic threaded pipes.

Background

Plastic pipes are generally produced by extruding synthetic resins, i.e. polyesters, as raw materials in a pipe-making machine by the "plastic" method with the addition of stabilizers, lubricants, plasticizers, etc. Because of its light weight, corrosion resistance, beautiful appearance, no bad smell, easy processing, convenient construction and other features, it has been used in building engineering more and more widely.

The existing patent (publication number is CN 201920220172.8) and a threaded pipe extrusion molding machine are suitable for large-batch extrusion processing of threaded pipes with different diameters and lengths, and have the advantages of compact structure, simple operation and reliable performance, but the replacement of a press-mounting shell is not convenient enough.

Therefore, we propose an extrusion molding machine for producing plastic threaded pipes, which fixes a press-mounting plate through a screw and presses the plate.

Disclosure of Invention

The invention aims to provide an extrusion molding machine for producing a plastic threaded pipe, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the extrusion molding machine for producing the plastic threaded pipe comprises a base molding shell, wherein an extrusion shell is welded on the left side of the top end of the base, hydraulic cylinders are symmetrically clamped and installed in the front and the back of the extrusion shell, and a pressing plate is clamped on the inner wall of the molding shell and is fixed to the molding shell through a screw in a rotating mode.

In a preferred embodiment of the present invention, press-fitting lines are equally spaced in the press-fitting plate.

In a preferred embodiment of the present invention, a hydraulic rod is fixedly connected to a front end of the hydraulic cylinder, and the front end of the hydraulic rod is welded to the molding shell.

As a preferred embodiment of the invention, an electric push rod is welded on the right side of the top end of the base, and a fixed column is fixed at the left end of the electric push rod.

As a preferred embodiment of the present invention, the outer wall of the fixing column is wrapped by a heating layer, and the outer wall of the heating layer is nested with an internal press-fitting sleeve.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the extrusion molding machine for producing the plastic threaded pipe, the screw rod, the press-fitting plate and the press-fitting patterns are arranged, and the press-fitting plate is connected through rotation of the screw rod, so that the press-fitting plate is attached to a shell, the press-fitting patterns are used for extrusion molding of the plastic threaded pipe, the press-fitting plate can be replaced quickly, and the press-fitting of threaded pipes with different shapes can be facilitated.

2. According to the extrusion molding machine for producing the plastic threaded pipe, the internal pressing sleeve is nested corresponding to the fixed column through the arrangement of the electric push rod, the fixed column, the heating layer and the internal pressing sleeve, the heating layer is connected with the internal resistor of the heating layer through the circuit to heat, so that the plastic threaded pipe is softened and molded through heating, the electric push rod is started through the switch to drive the fixed column to move, the internal pressing sleeve is convenient to replace, and the extrusion molding efficiency is convenient to improve.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view showing the overall structure of an extrusion molding machine for producing a plastic threaded pipe according to the present invention;

FIG. 2 is a schematic structural view of an extrusion molding machine for producing a plastic threaded pipe according to the present invention.

In the figure: a base 1; the extrusion shell 2; a hydraulic cylinder 3; a fixed column 4; an electric push rod 5; a screw 6; a molding shell 7; a hydraulic rod 8; a press-fit plate 9; press fitting the grains 10; an inner press-fit sleeve 11; layer 12 is heated.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an extrusion molding machine is used in production of plastics screwed pipe, includes base 1 and forming shell 7, the welding of 1 top left side of base has extruding shell 2, pneumatic cylinder 3 is installed to extruding shell 2 symmetry block around, forming shell 7 inner wall block has pressure equipment board 9 to rotate through screw rod 6 and be fixed in forming shell 7.

In this embodiment, please refer to fig. 1 and 2, the screw 6 is rotatably connected to the press plate 9, so that the press plate 9 is attached to the forming shell 7, the press pattern 10 is used for extrusion forming of the plastic threaded pipe, the press plate 9 can be replaced quickly, and the press mounting of the threaded pipes with different shapes can be facilitated.

Wherein, the press-fitting plate 9 is provided with press-fitting grains 10 at equal intervals.

In the embodiment shown in fig. 2, different shapes of threaded pipes can be extruded by different press-fitting patterns 10.

The front end of the hydraulic cylinder 3 is fixedly connected with a hydraulic rod 8, and the front end of the hydraulic rod 8 is welded to the forming shell 7.

In this embodiment, please refer to fig. 1 and 2, the hydraulic cylinder 3 is activated by the switch to move the hydraulic rod 8.

The right side of the top end of the base 1 is welded with an electric push rod 5, and the left end of the electric push rod 5 is fixed with a fixing column 4.

In this embodiment, please refer to fig. 1, the electric push rod 5 is started by the switch to drive the fixing column 4 to move.

The outer wall of the fixing column 4 is wrapped by a heating layer 12, and the outer wall of the heating layer 12 is nested with an inner press-fit sleeve 11.

In the embodiment, please refer to fig. 1 and 2, the internal press-fit sleeve 11 is nested corresponding to the fixed column 4, and is heated by the resistor in the circuit connection heating layer 12, so that the plastic thread is softened and molded by heat, and then the electric push rod 5 is started by the switch to drive the fixed column 4 to move, thereby facilitating the replacement of the internal press-fit sleeve and improving the extrusion molding efficiency.

The invention is to be noted that the invention is an extrusion molding machine for producing plastic threaded pipes, which comprises a base 1, an extrusion shell 2, a hydraulic cylinder 3, a fixed column 4, an electric push rod 5, a screw rod 6, a molding shell 7, a hydraulic rod 8, a press-fitting plate 9, press-fitting patterns 10, an inner press-fitting sleeve 11 and a heating layer 12, which are all parts known by a person skilled in the art or known by a person skilled in the art through a technical manual, the structure and the principle of the extrusion molding machine are known by a technical manual or a conventional experimental method, when the extrusion molding machine works, the device is connected with an external power supply through a power line, the press-fitting plate 9 is connected through the rotation of the screw rod 6, the press-fitting plate 9 is attached to the molding shell 7, the press-fitting patterns 10 are used for extrusion molding of the plastic threaded pipes, the press-fitting plate 9 is convenient to replace, the press-fitting of the threaded pipes with different, so that the plastic thread is softened and molded by heat, and then the electric push rod 5 is started through the switch to drive the fixed column 4 to move.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.