CN216443021U

CN216443021U - Double-screw plastic extruder

Info

Publication number: CN216443021U
Application number: CN202122645387.4U
Authority: CN
Inventors: 付德志
Original assignee: Shandong Shunfeng Cable Co ltd
Current assignee: Shandong Shunfeng Cable Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-06
Anticipated expiration: 2031-11-01

Abstract

The utility model relates to the technical field of extruders and discloses a double-screw plastic extruder which comprises an extrusion box and a motor box, wherein a motor is arranged in the motor box; the clamping assembly is arranged on four sides of the motor box and comprises a spring, a clamping strip, a pressing plate and clamping teeth, and the pressing plate is slidably arranged inside the clamping strip. According to the utility model, under the condition of maintaining the screw rod or maintaining the screw rod, the plurality of clamping teeth can be pressed, the plurality of clamping teeth press the spring through the pressing plate, so that the plurality of clamping teeth are separated from the inside of the clamping hole, and then the clamping strip is pulled out from the inside of the limiting groove, so that the screw blade is taken out of the extrusion box, the screw blade is maintained again, the maintenance work of a worker on the screw blade is facilitated, and the work efficiency of the maintenance of the screw blade is improved.

Description

Double-screw plastic extruder

Technical Field

The utility model relates to the technical field of extruders, in particular to a double-screw plastic extruder.

Background

Under the condition of using the double-screw plastic extruder for a long time, the screw rod is inevitably deformed or damaged, so that the double-screw plastic extruder is convenient to maintain the screw rod.

Some twin-screw plastic extruders currently on the market:

(1) under the condition of using the double-screw plastic extruder for a long time, the existing double-screw plastic extruder is inconvenient to maintain the screw rod because the screw rod can be damaged;

(2) in the process of the inner part of a bolt rod of a raw material conveying belt, several processing raw materials are usually stirred, and the conventional double-screw plastic extruder cannot have the function of stirring the several raw materials.

We have therefore proposed a twin screw plastic extruder in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the defects in the prior art in the background art, the present invention aims to provide a twin-screw plastic extruder to solve the problems of inconvenience in maintaining the screw and incapability of stirring several raw materials in some twin-screw plastic extruders in the current market proposed in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a double-screw plastic extruder comprises an extrusion box and a motor box, wherein a motor is arranged in the motor box, and extrusion mechanisms are symmetrically arranged in the extrusion box;

the clamping assembly is arranged on four sides of the motor box and comprises springs, clamping strips, a pressing plate and clamping teeth, the pressing plate is slidably arranged inside the clamping strips, the number of the springs is multiple, the tops and the bottoms of the springs are respectively fixed with the bottoms of the pressing plate and the inner walls of the clamping strips, the number of the clamping teeth is multiple, the clamping teeth are fixed on the tops of the pressing plate at equal intervals, and the tops of the clamping teeth extend to the outer sides of the clamping strips;

the motor box is characterized in that one side of the extrusion box is provided with a clamping groove matched with the clamping strip, clamping holes matched with the clamping teeth are formed in the inner wall of the clamping groove at equal intervals, the motor box is inserted into the clamping groove in one side of the extrusion box through the clamping strip, and the clamping strip is clamped with the clamping holes in the inner wall of the clamping groove through the clamping teeth.

Furthermore, each extrusion mechanism includes propeller blade and axis of rotation, propeller blade fixes the surface at the axis of rotation, the inner wall of extruding case one side is installed to one side of axis of rotation.

Preferably, a plurality of stirring rods are fixed between each screw blade in the form of an annular array.

Further, the center department of motor case one side installs the motor, the output of motor is fixed with the action wheel, one side demountable installation of motor case has sealed lid, two the one end of axis of rotation is passed sealed lid and is located the inside of motor case, two the other end of axis of rotation is fixed with respectively with the follow driving wheel of action wheel looks adaptation, two the surface from the driving wheel meshes with the surface of action wheel respectively mutually.

Preferably, an acoustic insulation layer is disposed inside the motor, and a material of the acoustic insulation layer is polyurethane foam.

Further, the symmetry fixed mounting who extrudes the case other end has the bearing with the pivot axle looks adaptation, the inner wall of bearing has seted up the spacing groove in the form that is annular array, the stopper with spacing groove looks adaptation is installed in the form that the one end of axis of rotation is annular array, the one end of axis of rotation carries out the joint through the spacing groove of a plurality of stoppers and bearing inner wall.

Furthermore, conical feed inlets are symmetrically fixed on one side of the top of the extrusion box, and discharge outlets are symmetrically formed in the other side of the bottom of the extrusion box.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, under the condition of maintaining the screw rod or maintaining the screw rod, the plurality of clamping teeth can be pressed, the plurality of clamping teeth press the spring through the pressing plate, so that the plurality of clamping teeth are separated from the inside of the clamping hole, and then the clamping strip is pulled out from the inside of the limiting groove, so that the screw blade is taken out of the extrusion box, the screw blade is maintained again, the maintenance work of a worker on the screw blade is facilitated, and the work efficiency of the maintenance of the screw blade is improved.

(2) According to the utility model, the stirring rod is arranged at the upper part of the propeller blade, and the raw materials can be stirred by the stirring rods in the process that the processing raw materials are stirred and moved by the propeller blade, so that the phenomenon of uneven stirring of a plurality of raw materials is reduced.

(3) The sound insulation layer is arranged in the motor box, and the sound emitted by the motor can be processed through the sound insulation layer, so that the possibility of air pollution caused by noise is reduced.

Drawings

FIG. 1 is a schematic bottom view of the internal structure of the twin-screw plastic extruder of the present invention;

FIG. 2 is a schematic structural view in elevation of a twin-screw plastic extruder according to the present invention;

FIG. 3 is a schematic view of the internal structure of the clamping assembly in the twin-screw plastic extruder of the present invention;

FIG. 4 is a schematic side view of the bearing of the twin-screw plastic extruder of the present invention.

In the figure: extrusion case 1, motor case 2, motor 3, extrusion mechanism 4, propeller blade 41, axis of rotation 42, puddler 5, joint subassembly 6, spring 61, card strip 62, clamp plate 63, latch 64, sealed lid 7, from driving wheel 8, action wheel 9, toper feed inlet 10, bearing 12, discharge gate 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-4, the utility model provides a double-screw plastic extruder, which comprises an extrusion box 1 and a motor box 2, wherein a motor 3 is arranged in the motor box 2, the motor 3 is arranged in the motor box 2, and extrusion mechanisms 4 are symmetrically arranged in the extrusion box 1;

clamping components 6 are mounted on four sides of the motor box 2, each clamping component 6 comprises a spring 61, a clamping strip 62, a pressing plate 63 and clamping teeth 64, the pressing plates 63 are slidably mounted inside the clamping strips 62, the number of the springs 61 is multiple, the tops and the bottoms of the springs 61 are respectively fixed with the bottoms of the pressing plates 63 and the inner walls of the clamping strips 62, the number of the clamping teeth 64 is multiple, the clamping teeth 64 are fixed on the tops of the pressing plates 63 at equal intervals, and the tops of the clamping teeth 64 extend to the outer sides of the clamping strips 62;

one side of the extrusion box 1 is provided with clamping grooves matched with the clamping strips 62, the inner walls of the clamping grooves are equidistantly provided with clamping holes matched with the clamping teeth 64, the motor box 2 is inserted into the clamping grooves on one side of the extrusion box 1 through the clamping strips 62, and the clamping strips 62 are clamped with the clamping holes on the inner walls of the clamping grooves through the clamping teeth 64;

according to the scheme shown in figure 1, as a preferred technical scheme of the utility model: each extrusion mechanism 4 comprises an propeller blade 41 and a rotating shaft 42, the propeller blade 41 is fixed on the outer surface of the rotating shaft 42, one side of the rotating shaft 42 is arranged on the inner wall of one side of the extrusion box 1, the normal use of the double-screw plastic extruder can be ensured,

according to the scheme shown in figure 1, as a preferred technical scheme of the utility model: a plurality of stirring rods 5 are fixed between each spiral blade 41 in an annular array form, and play a role in stirring the processing raw materials;

according to the scheme shown in figure 1, as a preferred technical scheme of the utility model: the motor 3 is installed in the center of one side of the motor box 2, the output end of the motor 3 is fixed with the driving wheel 9, the sealing cover 7 is detachably installed on one side of the motor box 2, one end of each of the two rotating shafts 42 penetrates through the sealing cover 7 and is located inside the motor box 2, the driven wheels 8 matched with the driving wheel 9 are respectively fixed to the other ends of the two rotating shafts 42, the outer surfaces of the two driven wheels 8 are respectively meshed with the outer surface of the driving wheel 9, and the normal use of the double-screw plastic extruder can be guaranteed;

according to the scheme shown in FIG. 1, as a preferred technical scheme of the utility model: a sound insulation layer is arranged in the motor 3, and the sound insulation layer is made of polyurethane foam plastics and plays a sound insulation role;

according to the illustration in fig. 4, as a preferred embodiment of the present invention: the bearings 12 matched with the rotating shaft 42 are symmetrically and fixedly installed at the other end of the extrusion box 1, the inner walls of the bearings 12 are provided with limiting grooves in an annular array form, the limiting blocks matched with the limiting grooves are installed at one end of the rotating shaft 42 in an annular array form, one end of the rotating shaft 42 is clamped with the limiting grooves in the inner walls of the bearings 12 through the limiting blocks, and the normal use of the double-screw plastic extruder can be guaranteed;

according to the illustration of fig. 2, as a preferred embodiment of the present invention: one side of the top of the extrusion box 1 is symmetrically fixed with a conical feeding hole 10, and the other side of the bottom of the extrusion box 1 is symmetrically provided with a discharging hole 11, so that the normal use of the double-screw plastic extruder can be ensured.

The working principle of the embodiment is as follows: when using this twin-screw plastic extruder, as shown in fig. 1 and fig. 2-4, if when maintaining propeller blade 41, press a plurality of latches 64 at first, a plurality of latches 64 can press spring 61 through clamp plate 63 for a plurality of latches 64 shrink to the inside of card strip 62, thereby a plurality of latches 64 go out from the inside of card follow, take out card strip 62 from the inside of draw-in groove again, make motor case 2 drive two extrusion mechanism 4 and take out from the inside of extruding case 1, carry out the work of maintaining again to extrusion mechanism 4.

The above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.

The electrical components presented therein may be electrically connected to an external controller, and the controller may be electrically connected to an external 220V commercial power, and the controller may be a conventional known device for controlling a computer or the like.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, in the description of the present invention, the meaning of "a plurality" is two or more, and unless otherwise specifically limited, the terms "disposed", "mounted", "connected", "fixed", and the like are to be understood broadly, and for example, may be a fixed connection or a detachable connection; or indirectly through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations; it will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.

Claims

1. A double-screw plastic extruder comprises an extrusion box (1) and a motor box (2), and is characterized in that a motor (3) is installed inside the motor box (2), and extrusion mechanisms (4) are symmetrically installed inside the extrusion box (1);

clamping components (6) are mounted on four sides of the motor box (2), each clamping component (6) comprises a spring (61), a clamping strip (62), a pressing plate (63) and clamping teeth (64), the pressing plates (63) are slidably mounted inside the clamping strips (62), the springs (61) are multiple in number, the tops and the bottoms of the multiple springs (61) are respectively fixed to the bottom of the pressing plate (63) and the inner wall of the clamping strip (62), the clamping teeth (64) are multiple in number, the clamping teeth (64) are fixed to the top of the pressing plate (63) at equal intervals, and the tops of the clamping teeth (64) extend to the outer side of the clamping strips (62);

the clamping groove matched with the clamping strip (62) is formed in one side of the extrusion box (1), clamping holes matched with the clamping teeth (64) are formed in the inner wall of the clamping groove at equal intervals, the motor box (2) is inserted into the clamping groove in one side of the extrusion box (1) through the clamping strip (62), and the clamping strip (62) is clamped with the clamping holes in the inner wall of the clamping groove through the clamping teeth (64).

2. The twin-screw plastic extruder according to claim 1, characterized in that each of the extrusion mechanisms (4) comprises a screw blade (41) and a rotating shaft (42), the screw blade (41) being fixed to the outer surface of the rotating shaft (42), and one side of the rotating shaft (42) being mounted on the inner wall of one side of the extrusion tank (1).

3. The twin-screw plastic extruder according to claim 2, characterised in that a plurality of stirring rods (5) are fixed between each screw blade (41) in the form of an annular array.

4. The twin-screw plastic extruder according to claim 2, wherein a motor (3) is installed at the center of one side of the motor box (2), a driving wheel (9) is fixed at the output end of the motor (3), a sealing cover (7) is detachably installed at one side of the motor box (2), one end of each of the two rotating shafts (42) penetrates through the sealing cover (7) to be located inside the motor box (2), a driven wheel (8) matched with the driving wheel (9) is respectively fixed at the other end of each of the two rotating shafts (42), and the outer surfaces of the two driven wheels (8) are respectively meshed with the outer surface of the driving wheel (9).

5. The twin-screw plastic extruder according to claim 1, characterised in that the inside of the motor (3) is provided with a sound-insulating layer, the material of which is polyurethane foam.

6. The twin-screw plastic extruder according to claim 2, characterized in that the bearings (12) adapted to the rotating shaft (42) are symmetrically and fixedly installed at the other end of the extrusion box (1), the inner walls of the bearings (12) are provided with limiting grooves in the form of annular arrays, the limiting blocks adapted to the limiting grooves are installed at one end of the rotating shaft (42) in the form of annular arrays, and one end of the rotating shaft (42) is clamped with the limiting grooves at the inner walls of the bearings (12) through a plurality of limiting blocks.

7. The twin-screw plastic extruder according to claim 1, characterized in that a conical feed inlet (10) is symmetrically fixed on one side of the top of the extrusion box (1), and a discharge outlet (11) is symmetrically arranged on the other side of the bottom of the extrusion box (1).