CN212949084U

CN212949084U - Plastic extrusion compounding machine with preheating mechanism

Info

Publication number: CN212949084U
Application number: CN202021544800.7U
Authority: CN
Inventors: 刘来义
Original assignee: Jiangsu Laiyi Packing Machinery Co ltd
Current assignee: Jiangsu Laiyi Packing Machinery Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-13
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a plastics extrusion compounding machine with preheat mechanism, including the extruder body, the extruder body includes casing, first motor, first speed reducer and shear screw, logical groove has been seted up on the casing top, it has connecting portion to lead to groove surface welded fastening, the connecting portion top is provided with preheats feed mechanism. The utility model has simple structure and convenient use, and preheats the material added into the extruder body by arranging the preheating feeding mechanism, thereby not only ensuring that the material is more uniform when being extruded, but also improving the working efficiency; when the material enters into heating intracavity portion, can pass through the filter screen, the impurity in the material can be filtered to the filter screen, improves the finished product quality, and the magnet piece that is located the return bend inside simultaneously can adsorb some metallics, avoids inside it enters into the casing, causes the damage to the shearing screw rod.

Description

Plastic extrusion compounding machine with preheating mechanism

Technical Field

The utility model relates to an extrude compounding machine technical field, in particular to plastics extrusion compounding machine with preheat mechanism.

Background

The extruder compounding machine consists of a single-screw extruder or a double-screw extruder (even more than three screws) and a compounding machine die head, and each extruder conveys molten plastic to a compounding machine head and is combined at a machine head shaping part. The composite co-extrusion processing can complete the lamination compounding process of the extrusion compounding molding of the multilayer composite material in one procedure.

The plastic woven bag is made into polypropylene bag and polyethylene bag according to the main material, and is divided into bottom-sewn bag and side-sewn bottom bag according to the sewing method, so that it is a packaging material which can be extensively used for the articles of fertilizer and chemical product, and its main production process is that the plastic raw material is passed through the processes of film-extruding, cutting and unidirectional stretching to form flat filament, and then passed through the processes of warp-weft weaving so as to obtain the invented product, generally called woven bag, and when the woven bag is processed, the plastic can be processed, and in the existent technology, a screw extruder is used for heating, extruding, propelling and melting plastic.

However, when the existing extrusion compounding machine is used for feeding, impurities in materials are rarely filtered, if the materials contain impurities, the quality of subsequently extruded products is poor, and meanwhile, a corresponding preheating structure is lacked, so that the working efficiency is low.

Therefore, it is necessary to develop a plastic extrusion compounding machine having a preheating mechanism to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastics extrusion compounding machine with preheat mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic extrusion compounding machine with a preheating mechanism comprises an extruder body, wherein the extruder body comprises a shell, a first motor, a first speed reducer and a shearing screw rod, a through groove is formed in the top end of the shell, a connecting part is fixedly welded on the surface of the through groove, and a preheating feeding mechanism is arranged at the top end of the connecting part;

the preheating feeding mechanism comprises a heating cavity, the top end of the heating cavity is fixedly connected with a bent pipe, one end of the bent pipe is fixedly connected with a feeding hopper, the inner wall of the feeding hopper is provided with a convex ring block, a filter screen is arranged on the surface of the convex ring block in a matched mode, a magnet block is arranged in the bent pipe, the top end of the bent pipe is provided with a stirring mechanism, the stirring mechanism comprises a bearing frame, a second speed reducer is fixedly arranged in the bearing frame, one side of the bearing frame is provided with a second motor, a rotating shaft is fixedly arranged in the second speed reducer, the top end of the bearing frame is fixedly connected with a hydraulic cylinder, a stirring shaft is arranged in the heating cavity, the stirring shaft penetrates through the bent pipe and is fixedly connected with the rotating shaft, threading, the stirring shaft is characterized in that the surface of the stirring shaft is fixedly connected with a plurality of stirring sheets, heating resistance wires are arranged inside the stirring sheets, a sealing block is arranged at the bottom end of the stirring shaft, the sealing block is fixedly connected with the stirring shaft through a bearing, and the sealing block is matched with the connecting part.

Preferably, a support frame is arranged on one side of the extruder body, one end of the hydraulic cylinder is fixedly connected with the support frame, telescopic pipes are arranged on two sides of the hydraulic cylinder, one end of each telescopic pipe is fixedly connected with the bearing frame, and the other end of each telescopic pipe is fixedly connected with the support frame.

Preferably, the elbow pipe top has a through-hole, magnet piece surface system has the rope, rope one end and through-hole lateral wall fixed connection, the through-hole surface is provided with sealed lid.

Preferably, the surface of the rotating shaft is provided with a rotating disc, and the second motor is in transmission connection with the rotating disc through a belt.

Preferably, a sealing structure is arranged at the joint of the stirring shaft and the elbow.

Preferably, a temperature sensor is arranged in the heating cavity.

The utility model discloses a technological effect and advantage:

1. the utility model has simple structure and convenient use, and preheats the material added into the extruder body by arranging the preheating feeding mechanism, thereby not only ensuring that the material is more uniform when being extruded, but also improving the working efficiency;

2. the utility model discloses when well material entered into heating intracavity portion, can pass through the filter screen, the impurity in the material can be filtered to the filter screen, improves the finished product quality, and the magnet piece that lies in the return bend inside simultaneously can adsorb some metallics, avoids inside it enters into the casing, causes the damage to the shearing screw rod.

Drawings

Fig. 1 is a schematic view of the overall front view section of the present invention.

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

Fig. 3 is an enlarged view of a portion B in fig. 1 according to the present invention.

Fig. 4 is an enlarged view of the portion C in fig. 1 according to the present invention.

In the figure: 1 extruder body, 2 connecting parts, 3 heating cavities, 4 bent pipes, 5 feed hoppers, 6 protruding ring blocks, 7 filter screens, 8 magnet blocks, 9 bearing frames, 10 second speed reducers, 11 second motors, 12 rotating shafts, 13 hydraulic cylinders, 14 stirring shafts, 15 conductive slip rings, 16 stirring sheets, 17 sealing blocks, 18 supporting frames and 19 telescopic pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a plastic extrusion compounding machine with a preheating mechanism, as shown in figures 1-4, which comprises an extruder body 1, wherein the extruder body 1 comprises a shell, a first motor, a first speed reducer and a shearing screw rod, the top end of the shell is provided with a through groove, the surface of the through groove is fixedly welded with a connecting part 2, and the top end of the connecting part 2 is provided with a preheating feeding mechanism;

the preheating feeding mechanism comprises a heating cavity 3, the top end of the heating cavity 3 is fixedly connected with an elbow 4, one end of the elbow 4 is fixedly connected with a feeding hopper 5, the inner wall of the feeding hopper 5 is provided with a convex ring block 6, a filter screen 7 is placed on the surface of the convex ring block 6 in a matched manner, the filter screen 7 is placed on the surface of the convex ring block 6, after the preheating feeding mechanism is used for a period of time, the filter screen 7 can be directly taken out and is convenient to clean, a magnet block 8 is arranged inside the elbow 4, the top end of the elbow 4 is provided with a stirring mechanism, the stirring mechanism comprises a bearing frame 9, a second speed reducer 10 is fixedly placed inside the bearing frame 9, one side of the bearing frame 9 is provided with a second motor 11, a rotating shaft 12 is fixedly arranged inside the second speed reducer 10, the, the utility model discloses a stirring shaft, including (mixing) shaft 14, (mixing) shaft 12, stirring shaft 14, rotation shaft 12 and (mixing) shaft 14, the inside threading groove of having seted up of rotation shaft 12 top fixedly connected with leads

electrical slip ring

15, 15 one end of leading electrical slip ring and bear frame 9 fixed connection, 14 fixed surface of (mixing) shaft are connected with a plurality of stirring pieces 16, the inside heating resistor silk that is provided with of stirring

piece

16, 14 bottoms of (mixing) shaft are provided with sealed piece 17, sealed piece 17 is through bearing and (mixing) shaft 14 fixed connection, sealed

piece

17 and 2 looks adaptations of connecting portion can be in order to improve sealed piece 17's stability, at 2 one side welded fastening convex pieces of connecting portion, and the surface trompil, at a guide bar of sealed piece 17 bottom welding, the guide.

Further, in the above technical solution, one side of the extruder body 1 is provided with a support frame 18, one end of the hydraulic cylinder 13 is fixedly connected with the support frame 18, in order to provide guidance performance for the bearing frame 9, two sides of the hydraulic cylinder 13 are provided with telescopic pipes 19, one end of each telescopic pipe 19 is fixedly connected with the bearing frame 9, and the other end of each telescopic pipe 19 is fixedly connected with the support frame 18;

further, in the above technical solution, the top end of the bent pipe 4 has a through hole, the surface of the magnet block 8 is tied with a rope, one end of the rope is fixedly connected with the sidewall of the through hole, and the surface of the through hole is provided with a sealing cover, so that the magnet block 8 can be conveniently taken out and the metal adsorbed on the surface thereof can be taken out;

further, in the above technical solution, the surface of the rotating shaft 12 has a rotating disc, and the second motor 11 is in transmission connection with the rotating disc through a belt;

further, in the above technical solution, a sealing structure is arranged at the connection of the stirring shaft 14 and the elbow 4;

further, in the above technical solution, in order to intuitively know the heating temperature of the material, a temperature sensor is disposed inside the heating chamber 3.

This practical theory of operation:

the feeding hopper 5 is used for feeding materials, when the materials enter the heating cavity 3, the materials can pass through the filter screen 7, the filter screen 7 can filter impurities in the materials, the quality of finished products is improved, and meanwhile, the magnet block 8 positioned in the bent pipe 4 can adsorb some metal substances, so that the metal substances are prevented from entering the shell and damaging the shearing screw; second motor 11 work drives (mixing) shaft 14 and rotates, (mixing) shaft 14 drives stirring piece 16 and stirs the material evenly, in the stirring, the heating resistor silk generates heat and transmits the material surface through stirring piece 16, preheat the material, preheat after accomplishing, pneumatic cylinder 13 shortens to drive and bears the whole upwards lifting up of 9, and drive (mixing) shaft 14 up-movement, thereby drive sealed piece 17 and break away from connecting portion 2, form the gap between sealed piece 17 and the connecting portion 2, the material falls into inside the casing through the gap, thereby can make more even when the material is extruded.

In the description of the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a plastics extrusion compounding machine with preheat mechanism, includes extruder body (1), extruder body (1) includes casing, first motor, first speed reducer and shear screw, its characterized in that: a through groove is formed in the top end of the shell, a connecting part (2) is fixedly welded on the surface of the through groove, and a preheating feeding mechanism is arranged at the top end of the connecting part (2);

the preheating feeding mechanism comprises a heating cavity (3), the heating cavity (3) is fixedly connected with an elbow (4) at the top end, one end of the elbow (4) is fixedly connected with a feeding hopper (5), the inner wall of the feeding hopper (5) is provided with a convex ring block (6), a filter screen (7) is placed on the surface of the convex ring block (6) in a matched manner, a magnet block (8) is arranged inside the elbow (4), a stirring mechanism is arranged on the top end of the elbow (4), the stirring mechanism comprises a bearing frame (9), a second speed reducer (10) is fixedly placed inside the bearing frame (9), a second motor (11) is arranged on one side of the bearing frame (9), a rotating shaft (12) is fixedly arranged inside the second speed reducer (10), a hydraulic cylinder (13) is fixedly connected with the top end of the bearing frame (9), and, the utility model discloses a stirring shaft (14) is including (1) rotation axis (12), rotation axis (14) run through return bend (4) and rotation axis (12) fixed connection, the through wires groove has been seted up to rotation axis (12) and (14) inside, rotation axis (12) top fixedly connected with leads electrical slip ring (15), lead electrical slip ring (15) one end and bear frame (9) fixed connection, (14) fixed surface is connected with a plurality of stirring pieces (16), stirring piece (16) inside is provided with the heating resistor silk, (14) bottom is provided with sealed piece (17), sealed piece (17) are through bearing and (14) fixed connection, sealed piece (17) and connecting portion (2) looks adaptation.

2. The plastic extrusion compounding machine with the preheating mechanism according to claim 1, wherein: the extruder is characterized in that a support frame (18) is arranged on one side of the extruder body (1), one end of the hydraulic cylinder (13) is fixedly connected with the support frame (18), telescopic pipes (19) are arranged on two sides of the hydraulic cylinder (13), one end of each telescopic pipe (19) is fixedly connected with the bearing frame (9), and the other end of each telescopic pipe is fixedly connected with the support frame (18).

3. The plastic extrusion compounding machine with the preheating mechanism according to claim 1, wherein: the elbow pipe (4) top has the through-hole, magnet piece (8) surface system has the rope, rope one end and through-hole lateral wall fixed connection, the through-hole surface is provided with sealed lid.

4. The plastic extrusion compounding machine with the preheating mechanism according to claim 1, wherein: the surface of the rotating shaft (12) is provided with a rotating disc, and the second motor (11) is in transmission connection with the rotating disc through a belt.

5. The plastic extrusion compounding machine with the preheating mechanism according to claim 1, wherein: and a sealing structure is arranged at the joint of the stirring shaft (14) and the elbow (4).

6. The plastic extrusion compounding machine with the preheating mechanism according to claim 1, wherein: and a temperature sensor is arranged in the heating cavity (3).