CN213564215U

CN213564215U - A second order screw extruder for production of heat preservation XPS extruded sheet is used for

Info

Publication number: CN213564215U
Application number: CN202022301116.2U
Authority: CN
Inventors: 周祥
Original assignee: Taichunneng New Materials Suzhou Co ltd
Current assignee: Taichunneng New Materials Suzhou Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-29
Anticipated expiration: 2030-10-16

Abstract

The utility model belongs to the field of extruders, and particularly discloses a second-order screw extruder for producing a heat-preservation XPS extruded sheet, which comprises a first-order base (101), a first-order extrusion pipe (102), a first-order motor (103) and a first-order support rod (104); a hopper (110) is arranged on the first-order extrusion pipe (102); a control switch (111) is arranged on the hopper; a plurality of screws (400) are arranged in the first-order extrusion pipe (102); the screw rod (400) is fixedly connected inside the first-order extrusion pipe (102); the first machine body (100) part and the second machine body (200) are identical in structure; the first body (100) and the second body (200) are connected through a connecting pipe (300); the utility model can control the feeding by the control switch (112) aiming at the plasticizing liquid which is easy to cool and solidify in the extrusion molding process to cause plasticizing particles; the plasticizing liquid is kept in a liquid state constantly through constant-temperature heating of the extrusion pipe and continuous collision of the screw, so that the plasticizing quality is ensured.

Description

A second order screw extruder for production of heat preservation XPS extruded sheet is used for

Technical Field

The utility model belongs to the extruder field, in particular to a second order screw extruder that is used for production of heat preservation XPS extruded sheet to use.

Background

Extruders are one of the class 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.

The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastic extruders can be basically classified into single screw extruders, twin screw extruders, multi-screw extruders and screw-less extruders; aiming at XPS extruded sheet production, in order to ensure product quality and improve plasticizing effect, a plasticizing liquid needs to be kept to be melted at a constant temperature; for certain products, the discharge flow rate is also controlled to ensure that the finished product is smooth.

SUMMERY OF THE UTILITY MODEL

To this problem, the application provides a second order screw extruder for production of heat preservation XPS extruded sheet usefulness, and specific content is as follows:

the utility model provides a second order screw extruder that is used for production of heat preservation XPS extruded sheet usefulness which characterized in that: comprises a first body and a second body; the first machine body and the second machine body are connected through a connecting pipe; the first machine body comprises a first-order base, a first-order extrusion pipe, a first-order motor, a first-order support rod and a hopper; the second machine body comprises a second-order base, a second-order extrusion pipe, a second-order motor and a second-order support rod; the first-order extrusion pipe is fixed on the first-order base; the first-order motor is arranged on the base; the discharge side of the first-order extrusion pipe is connected with the first-order base through a first-order support rod; the first machine body and the second machine body have the same structure in the aspects of a base, an extrusion pipe, a motor and a support rod; the first-order hopper is arranged above the upper port of the first-order extrusion pipe; a discharge hole is formed in one side, away from the first machine body, of the second-order extrusion pipe; the screws are uniformly distributed on the inner sides of the first-order extrusion pipe and the second-order extrusion pipe.

Furthermore, the first-order extrusion pipe and the second-order extrusion pipe form an included angle of 30 degrees with the ground; the plasticizing liquid is kept to flow continuously by means of gravity, and electric energy loss required by the motor for pushing the plasticizing liquid to flow out is reduced.

Further, the first-order extrusion pipe and the second-order extrusion pipe can be self-heated; the plasticizing liquid is kept in a liquid state constantly, so that the injection molding quality is improved.

Furthermore, the inner walls of the first-order extrusion pipe and the second-order extrusion pipe are coated with heat insulation paint, so that energy waste caused by solid-state transfer of heat energy is reduced.

Further, a first-order temperature sensor and a second-order temperature sensor are respectively arranged in the first-order extrusion pipe and the second-order extrusion pipe; different working temperatures should be selected for plasticizing liquid with different textures, and the sensor can sensitively sense and alarm the temperature.

Furthermore, a control switch and a flow meter are also arranged in the hopper so as to know the flow rate of the fed material.

Furthermore, a reducing port is arranged on the discharge port to control the extrusion rate of the plasticizing liquid.

The technical scheme shows that the invention has the following beneficial effects:

the utility model discloses a second order screw extruder for production of heat preservation XPS extruded sheet is used for keeping plastify liquid quality through the constant temperature of extrusion pipe, and steerable pan feeding speed and ejection of compact speed are favorable to improving extrusion molding quality and extrusion molding speed in extrusion molding actual operation, reduce the manpower that required input, can make XPS extruded sheet production more convenient.

Drawings

FIG. 1 is a schematic view of a second-order screw extruder for producing an insulated XPS extruded sheet according to embodiment 1 of the present invention;

fig. 2 is a schematic view of a second-order screw extruder for producing an insulated XPS extruded sheet according to embodiment 2 of the present invention;

in the figure: 100. the automatic measuring device comprises a first machine body, a second machine body, a connecting pipe 300, a screw rod 400, a first-order base 101, a first-order extrusion pipe 102, a first-order motor 103, a first-order support rod 104, a first-order thermometer 105, a hopper 110, a control switch 111, a flowmeter 112, a second-order base 201, a second-order extrusion pipe 202, a second-order motor 203, a second-order motor 204, a second-order support rod 205, a second-order thermometer 210, a discharge hole 212 and a reducing port.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

A second-order screw extruder for the production of insulated XPS extruded sheets, as shown in fig. 1, comprises a first body 100 and a second body 200; the first body 100 and the second body 200 are connected by a connection pipe 300; the first body 100 comprises a first-order base 101, a first-order extrusion pipe 102, a first-order motor 103, a first-order support rod 104 and a hopper 110; the second machine body 200 comprises a second-order base 201, a second-order extrusion pipe 202, a second-order motor 203 and a second-order strut 204; the first-order extrusion pipe 102 is fixed on the first-order base 101; the first-order motor 103 is arranged on the base 101; the discharge side of the first-order extrusion pipe 102 is connected with a first-order base 101 through a first-order support rod 104; the first body 100 and the second body 200 have the same structure in terms of a base, an extrusion pipe, a motor and a support rod; the first-order hopper 110 is arranged above the upper port of the first-order extrusion pipe 102; a discharge hole 210 is formed in one side, away from the first body, of the second-order extrusion pipe 202; the screws 400 are evenly distributed inside the first-stage extrusion pipe 102 and the second-stage extrusion pipe 202.

When in use, semi-finished product plasticizing liquid is injected from the hopper 110; and starting the first-order motor 103 and the second-order motor 203, enabling the plasticizing liquid to flow through the first-order extrusion pipe 102 and the second-order extrusion pipe 202, removing particles in the plasticizing liquid through temperature change and collision with the screw 400, optimizing a plasticizing effect, and enabling the plasticizing liquid to flow out from the discharge hole 210.

Example 2

A second-order screw extruder for the production of the insulated XPS extruded sheet, as shown in fig. 2, comprises a first body 100 and a second body 200; the first body 100 and the second body 200 are connected by a connection pipe 300; the first body 100 comprises a first-order base 101, a first-order extrusion pipe 102, a first-order motor 103, a first-order support rod 104 and a hopper 110; the second machine body 200 comprises a second-order base 201, a second-order extrusion pipe 202, a second-order motor 203 and a second-order strut 204; the first-order extrusion pipe 102 is fixed on the first-order base 101; the first-order motor 103 is arranged on the base 101; the discharge side of the first-order extrusion pipe 102 is connected with a first-order base 101 through a first-order support rod 104; the first body 100 and the second body 200 have the same structure in terms of a base, an extrusion pipe, a motor and a support rod; the first-order hopper 110 is arranged above the upper port of the first-order extrusion pipe 102; a discharge hole 210 is formed in one side, away from the first body, of the second-order extrusion pipe 202; the screws 400 are evenly distributed inside the first-stage extrusion pipe 102 and the second-stage extrusion pipe 202.

Preferably, the first-order extrusion pipe 102 and the second-order extrusion pipe 202 are at an angle of 30 ° with respect to the ground.

Preferably, the first and second stage extruded

tubes

102, 202 are self-heating.

Preferably, the inner walls of the first-order extrusion tube 102 and the second-order extrusion tube 202 are coated with insulating paint.

Preferably, a first-order temperature sensor 105 and a second-order temperature sensor 205 are respectively arranged in the first-order extrusion pipe 102 and the second-order extrusion pipe 202.

Preferably, a control switch 111 and a flow meter 112 are further arranged in the hopper 110.

Preferably, the discharge hole 210 is provided with a reducing hole 212.

When the device is used, the inflow rate of the plasticizing liquid can be controlled through the control switch 111 and the flowmeter 112, and the internal temperature of the specific plasticizing liquid is observed and regulated through the first-order temperature sensor 105 and the second-order temperature sensor 205, so that a better plasticizing effect is expected; after the processing of the plasticizing liquid is finished, the caliber of the reducing port 212 can be adjusted according to actual requirements so as to change the extrusion rate of the plasticizing liquid.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention can not be limited thereby, and the simple equivalent changes and modifications made according to the claims and the utility model also belong to the protection scope of the present invention.

Claims

1. The utility model provides a second order screw extruder that is used for production of heat preservation XPS extruded sheet usefulness which characterized in that: comprises a first body (100) and a second body (200); the first body (100) and the second body (200) are connected through a connecting pipe (300); the first machine body (100) comprises a first-order base (101), a first-order extrusion pipe (102), a first-order motor (103), a first-order support rod (104) and a hopper (110); the second machine body (200) comprises a second-order base (201), a second-order extrusion pipe (202), a second-order motor (203) and a second-order support rod (204); the first-order extrusion pipe (102) is fixed on the first-order base (101); the first-order motor (103) is arranged on the base (101); the discharge side of the first-order extrusion pipe (102) is connected with a first-order base (101) through a first-order support rod (104); the first machine body (100) and the second machine body (200) are identical in structure in the aspects of a base, an extrusion pipe, a motor and a support rod; the first-order hopper (110) is arranged above the upper port of the first-order extrusion pipe (102); a discharge hole (210) is formed in one side, away from the first machine body, of the second-order extrusion pipe (202); the screws (400) are uniformly distributed on the inner sides of the first-order extrusion pipe (102) and the second-order extrusion pipe (202).

2. The two-stage screw extruder of claim 1, for use in the production of insulated XPS extruded sheets, wherein: the first-order extrusion pipe (102) and the second-order extrusion pipe (202) form an included angle of 30 degrees with the ground.

3. The two-stage screw extruder of claim 2, for use in the production of insulated XPS extruded sheets, wherein: the first and second order extruded tubes (102, 202) may be self-heating.

4. The two-stage screw extruder of claim 2, for use in the production of insulated XPS extruded sheets, wherein: the inner walls of the first-order extrusion pipe (102) and the second-order extrusion pipe (202) are coated with heat insulation paint.

5. The two-stage screw extruder of claim 2, for use in the production of insulated XPS extruded sheets, wherein: and a first-order temperature sensor (105) and a second-order temperature sensor (205) are respectively arranged in the first-order extrusion pipe (102) and the second-order extrusion pipe (202).

6. The two-stage screw extruder of claim 1, for use in the production of insulated XPS extruded sheets, wherein: the hopper (110) is also internally provided with a control switch (111) and a flowmeter (112).

7. The two-stage screw extruder of claim 1, for use in the production of insulated XPS extruded sheets, wherein: the discharge hole (210) is provided with a reducing hole (212).