CN212949105U

CN212949105U - Material extruder

Info

Publication number: CN212949105U
Application number: CN202021715992.3U
Authority: CN
Inventors: 石益雄; 赵洪平; 张方; 田晓军
Original assignee: Ningbo Bost Polymer Material Technology Co ltd
Current assignee: Ningbo Bost Polymer Material Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-13
Anticipated expiration: 2030-08-17

Abstract

A material extruder provided by the utility model includes a feeding tank, an extrusion device and an extrusion die, and the extrusion device includes a tank body, a first feeding port, a screw extrusion mechanism, an extrusion head and a heating cavity , the feeding tank is connected to the first feeding port, the first feeding port is connected to the tank body, the screw extrusion mechanism is installed in the tank body, and the extrusion head is fixed to the One end of the tank body is connected to the tank body, the heating cavity is wrapped on the outer surface of the tank body, the extrusion die is detachably mounted on the tank body, and the extrusion die faces the tank body. Extrusion head, the extrusion die is provided with a second feeding port and a molding cavity, the molding cavity is connected to the second feeding port, the second feeding port is aligned with the extrusion head, and the whole device It can quickly replace different types of extrusion dies, and at the same time, it is provided with a heating cavity and a temperature control cavity, which can regulate the temperature during the extrusion process and ensure the stability of the entire extrusion process.

Description

Material extruder

Technical Field

The utility model belongs to the technical field of the material extrusion technique and specifically relates to a material extruder.

Background

In the actual production process, an extruder is a common production device, and is mainly used for extrusion granulation. In the extruder in the prior art, the extrusion port die and the extrusion head are fixedly connected into an integrated structure, so that the extrusion port die and the extrusion head cannot be disassembled, and only one extrusion port die can be connected to one extruder, so that the extrusion shape is single, and the utilization rate of equipment is low; in addition, when the extruder in the prior art is used for extrusion operation, the extrusion pressure is low, the extrusion temperature is low, and the whole extrusion molding effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a material extruder, its difference of overcoming prior art, its simple structure, design benefit can realize carrying out quick dismantlement to extruding the bush, are convenient for change the extrusion bush of different grade type to the realization is adjusted extruding the shape, and it is equipped with heating chamber and accuse temperature chamber simultaneously, can guarantee effectively that whole extrusion moulding process's is stable goes on.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a material extruder includes feeding jar, extrusion device and extrudes the bush, extrusion device is including a jar body, first feed inlet, spiral extruding means, extrude head and heating chamber, the feeding jar is connected first feed inlet, first feed inlet intercommunication the jar body, spiral extruding means install in jar is internal, extrude first rigid coupling in the one end and the intercommunication of the jar body, the heating chamber wrap up in the surface of the jar body, extrude bush detachably install in on the jar body, extrude the bush towards extrude the head, it is equipped with second feed inlet and shaping chamber to extrude the bush, shaping chamber intercommunication the second feed inlet, the second feed inlet is aimed at extrude the head.

According to the utility model discloses an embodiment, be equipped with the mounting panel on the extrusion die, be equipped with the fixed plate on the jar body, the mounting panel and all be equipped with the screw hole on the fixed plate.

According to the utility model discloses an embodiment, extrude and be equipped with the fixture block on the head, be equipped with the draw-in groove on the extrusion bush, the draw-in groove be the annular set up in the outside of feed inlet, the fixture block is aimed at the draw-in groove.

According to the utility model discloses an embodiment, be equipped with holding tank and clamping ring on the fixture block, the clamping ring install in the holding tank.

According to the utility model discloses an embodiment, be equipped with the accuse temperature chamber on the extrusion die, accuse temperature chamber set up in become the surface in die cavity.

According to the utility model discloses an embodiment, spiral extruding means includes motor, axis of rotation and spiral stirring rake, the motor install in the one end of the jar body, the axis of rotation horizontal installation in on the jar body, the output shaft of motor the axis of rotation, the spiral stirring rake install in the axis of rotation.

According to the utility model discloses an embodiment, be equipped with inlet and liquid outlet on the heating chamber, the inlet set up in the below in heating chamber, the liquid outlet set up in the top in heating chamber.

The utility model has the advantages that: by adopting the technical scheme, the heating cavity is provided, so that the heating cavity can heat materials in the tank body, heat can be rapidly provided for plasticizing the plastics in the tank body, and the normal operation of the plasticizing process is ensured; the extrusion head and the extrusion mouth mold can be detached and cleaned simultaneously; the extrusion die is provided with the clamping block and the clamping groove, the clamping block and the clamping groove are used for positioning the extrusion die, and the clamping groove is combined with the fixation of the threaded hole, so that the precision of the combination between the extrusion die and the extrusion head can be effectively improved through the double positioning and fixing operations, and the smooth operation of the extrusion process is ensured; it is equipped with the clamping ring, and the clamping ring takes place the inflation under high temperature and also can realize producing the extrusion force to second feed inlet department when can sealing up the space to improve the pressure of extrusion in-process, made the product quality who produces better.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment according to the present invention.

Fig. 2 is an enlarged schematic view at a in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view at B in fig. 2 according to the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1 to 3, a material extruder 1 includes a feeding tank 10, an extruding device 20 and an extruding die 30, where the extruding device 20 includes a tank body 21, a first feeding port 22, a screw extruding mechanism 23, an extruding head 24 and a heating cavity 25, the feeding tank 10 is connected to the first feeding port 22, the first feeding port 22 is communicated with the tank body 21, a material to be molded in the feeding tank 10 is fed into the tank body 21 through the first feeding port 22, the screw extruding mechanism 23 is installed in the tank body 21, the extruding head 24 is fixedly connected to one end of the tank body 21 and is communicated with the tank body 21, the screw extruding mechanism 23 is capable of stirring and conveying the material in the tank body 21 to the extruding head 24, the heating cavity 25 is wrapped on the outer surface of the tank body 21, the heating cavity 25 is capable of heating the material in the tank body 21, the plastic plasticizing device can quickly provide heat for plasticizing the plastic in the tank body 21, and ensure the normal operation of the plasticizing process; the extrusion neck mold 30 is detachably mounted on the tank body 21, the extrusion neck mold 30 faces the extrusion head 24, the extrusion neck mold 30 is provided with a second feed port 31 and a molding cavity 32, the molding cavity 32 is communicated with the second feed port 31, the second feed port 31 is aligned with the extrusion head 24, after a material enters the extrusion head 24, the material enters the extrusion neck mold 30 through the second feed port 31 under the action of the spiral extrusion mechanism 23, and then the molding operation is performed in the molding cavity 32, so that the whole extrusion molding operation is completed, the whole operation process is convenient and rapid, the rapid extrusion operation can be realized, and meanwhile, as the extrusion neck mold 30 is detachably mounted on the tank body 21, the rapid disassembly and replacement can be realized, so that materials with different shapes can be extruded according to the replacement of the extrusion neck mold 30, meanwhile, the detachable installation can realize quick disassembly after the operation is finished, and the inside of the detachable installation can be cleaned conveniently.

The extrusion die 30 is provided with a mounting plate 33, the tank body 21 is provided with a fixing plate 211, the mounting plate 33 and the fixing plate 211 are provided with threaded holes 212, the extrusion die 30 can be mounted on the tank body 21 in a threaded connection mode, and the mounting method is quick, convenient and good in mounting effect.

The extrusion head 24 is provided with a fixture block 241, the extrusion die 30 is provided with a fixture groove 34, the fixture groove 34 is annularly formed in the outer side of the second feed port 31, the fixture block 241 is aligned with the fixture groove 34, when the extrusion die 30 is connected, the fixture block 241 is clamped into the fixture groove 34, the mounting plate 33 and the threaded hole 212 in the fixing plate 211 are fixedly connected through screws, and through a double positioning mode, the accuracy of the extrusion die 30 and the extrusion head 24 in connection can be effectively improved, and the stability in the mounting process is guaranteed.

Wherein, the fixture block 241 is provided with an accommodating groove 242 and a pressing ring 243, the pressing ring 243 is installed in the accommodating groove 242, the fixture block 241 has elasticity, the pressing ring 243 is made of silicon rubber with thermal expansion property, when a hot melting material enters the extrusion head 24 through the screw extrusion mechanism 23, a lot of heat is generated due to high temperature, the heat can be transferred to the pressing ring 243, the pressing ring 243 expands when heated, the volume thereof becomes larger, not only can fill the gap in the pressing ring 243 and the accommodating groove 242 to improve the sealing performance, but also can generate pressure to both sides 241 due to the volume expansion, and the fixture block has elasticity, so that the fixture block 241 can be firmly clamped in the clamping groove 34, and simultaneously can generate extrusion force to the panel at the second feed inlet 31, so that the pressure of the panel at the second feed inlet 31 becomes larger, thereby improving the pressure in the extrusion process, ensuring that the material extrusion molding effect is better and the quality of the produced product is better.

Wherein, the temperature control cavity 35 is arranged on the extrusion die 30, the temperature control cavity 35 is arranged on the outer surface of the molding cavity 32, a temperature sensor is arranged in the temperature control cavity 35, the temperature sensor can monitor the temperature in the temperature control cavity, a heating device is arranged in the temperature control cavity 35, and the heating device can perform heating operation on the temperature control cavity, so that the temperature in the temperature control cavity 35 is always kept at the appropriate temperature of the extrusion material, thereby avoiding that the surface quality of the produced product is reduced due to the overhigh temperature in the extrusion die 30, and the extrusion force is relatively increased due to the overlow temperature, so that the extrusion process is slow to operate, and through the arrangement of the temperature control cavity 35, the temperature in the temperature control cavity 35 can adapt to the optimal temperature of the required extrusion material, thereby the extrusion molding operation can be performed at the appropriate temperature, not only can improve extrusion efficiency, but also can guarantee to extrude the quality of coming the product.

Wherein, spiral extruding means 23 includes motor 231, axis of rotation 232 and spiral stirring rake 233, motor 231 install in the one end of jar body 21, axis of rotation 232 transversely install in jar body 21 is last, the output shaft of motor 231 the axis of rotation 232, spiral stirring rake 233 install in on the axis of rotation 232, get into when the material jar body 21 back, start motor 231, motor 231 can drive axis of rotation 232 rotates, axis of rotation 232 can drive spiral stirring rake 233 is right the material in the jar body 21 carries out the operation of extruding while stirring to make and to mix between each raw materials more evenly, the product quality of extruding is better.

Wherein, be equipped with inlet 251 and liquid outlet 252 on the heating chamber 25, inlet 251 set up in the below of heating chamber 25, liquid outlet 252 set up in the top of heating chamber 25, when to the jar body 21 carries out heating operation, through inlet 251 to the heating chamber 25 in let in the liquid that heats, follow afterwards the liquid outlet 252 discharges, through this kind of circulation heating's mode, can guarantee effectively the temperature in the heating chamber 25, can realize from this that it heats the operation to the material in the jar body 21 for its plastify effect is better, provides the guarantee for follow-up extrusion operation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. a material extruder, is characterized in that, comprises feed tank, extrusion device and extrusion die, and described extrusion device comprises tank body, first feed port, screw extrusion mechanism, extrusion head and Heating chamber, the feeding tank is connected to the first feeding port, the first feeding port is connected to the tank body, the screw extrusion mechanism is installed in the tank body, and the extrusion head is fixedly connected one end of the tank body and communicated with the tank body, the heating cavity is wrapped on the outer surface of the tank body, the extrusion die is detachably mounted on the tank body, and the extrusion die faces The extrusion head and the extrusion die are provided with a second feeding port and a molding cavity, the molding cavity is connected with the second feeding port, and the second feeding port is aligned with the extrusion head.

2. The material extruder according to claim 1, wherein a mounting plate is provided on the extrusion die, a fixing plate is provided on the tank body, and both the mounting plate and the fixing plate are With threaded holes.

3 . The material extruder according to claim 2 , wherein the extrusion head is provided with a clamping block, the extrusion die is provided with a clamping groove, and the clamping groove is annularly arranged on the On the outer side of the feeding port, the clamping block is aligned with the clamping groove.

4 . The material extruder according to claim 3 , wherein a receiving groove and a pressure ring are provided on the clamping block, and the pressure ring is installed in the receiving groove. 5 .

5 . The material extruder according to claim 4 , wherein a temperature control cavity is provided on the extrusion die, and the temperature control cavity is arranged on the outer surface of the molding cavity. 6 .

6 . The material extruder according to claim 5 , wherein the screw extrusion mechanism comprises a motor, a rotating shaft and a screw agitator, the motor is mounted on one end of the tank body, and the rotating shaft It is laterally installed on the tank body, the output shaft of the motor is connected to the rotation shaft, and the propeller is installed on the rotation shaft.

7 . The material extruder according to claim 6 , wherein the heating chamber is provided with a liquid inlet and a liquid outlet, the liquid inlet is arranged below the heating chamber, and the outlet The liquid port is arranged above the heating chamber.