CN216683261U

CN216683261U - Engineering plastics is modified to mould plastics and is used double screw extruder

Info

Publication number: CN216683261U
Application number: CN202123105927.6U
Authority: CN
Inventors: 黄爱民; 芮青山; 陈纪雨
Original assignee: Guangdong Zhongyuan New Material Technology Co ltd
Current assignee: Guangdong Zhongyuan New Material Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-07
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a double-screw extruder for engineering plastic modification injection molding, which relates to the technical field of extruder bodies and comprises a support, wherein the top end of the support is provided with an extruder body, one side of the top end of the extruder body is provided with a feeding hopper, the top end of the feeding hopper is provided with a fixed box, the inner cavity of the fixed box is slidably inserted with a baffle, the top end of the extruder body is provided with an installation box, and the inner cavity of the installation box is provided with a reciprocating assembly. The utility model solves the problem that the added materials are often collapsed from the feeding hopper when the extruder body is used, so that the waste of the materials is caused, the materials are prevented from being collapsed from the inner cavity of the feeding hopper when the extruder body runs through the arrangement of the baffle plate, so that the waste of the materials is avoided, the resources are saved, and the baffle plate can slide in the inner cavity of the fixed box through the arrangement of the reciprocating assembly, so that the materials can be conveniently added into the inner cavity of the feeding hopper.

Description

Engineering plastics is modified to mould plastics and is used double screw extruder

Technical Field

The application relates to the technical field of extruders, in particular to a double-screw extruder for engineering plastic modification injection molding.

Background

Extruders are one of the class of plastics 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. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

However, the situation that the added materials are collapsed from the charging hopper often occurs when the extruder in the prior art is used, so that the materials are wasted, and aiming at the problem, the double-screw extruder for engineering plastic modification and injection molding is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-screw extruder for engineering plastic modification injection molding, which solves the problems in the background technology.

The embodiment of the application adopts the following technical scheme:

the utility model provides a modified for moulding plastics twin-screw extruder of engineering plastics, includes the support, the top of support is provided with the extruder body, top one side of extruder body is provided with the loading hopper, the top of loading hopper is provided with fixed case, the inner chamber slidable of fixed case is pegged graft and is had the baffle, the top of extruder body is provided with the install bin, the inner chamber of install bin is provided with reciprocal subassembly, the one end of baffle extends to the outside of fixed case, the one end of reciprocal subassembly is connected with the one end of baffle.

Preferably, reciprocal subassembly is including motor, carousel, bull stick, connection bearing, slide and connecting rod, motor fixed mounting is at the inner chamber of install bin, carousel fixed mounting is at the output of motor, bull stick eccentric settings is on the top of carousel, the fixed cup joint of inner ring at the outer wall of bull stick of connection bearing, the one end at the install bin is seted up to the slide, the fixed cup joint of one end of connecting rod is at the outer loop of connecting bearing, the other end of connecting rod runs through the inner chamber of slide and extends to the outside of install bin and is connected through the round pin rotation with the one end of baffle.

Preferably, a limiting plate is arranged at one end of the baffle, and supporting components are arranged on two sides of the outer wall of the limiting plate respectively.

Preferably, each supporting component comprises a limiting groove and a limiting block, the limiting groove is formed in the inner wall of the fixed box, one end of the limiting block is embedded into the inner cavity of the limiting groove in a sliding mode, and the other end of the limiting block is fixedly connected to the outer wall of the limiting plate.

Preferably, the inner cavity of the limiting groove and the outer wall of the limiting block are both T-shaped.

Preferably, the left side and the right side of the outer wall of the installation box are respectively provided with a plurality of heat dissipation holes.

Preferably, the bottom end of the bracket is provided with a non-slip mat.

Preferably, both sides are provided with the slip case respectively around the extruder body, each the inner chamber of slip case all is provided with the slip subassembly, each the one end of slip subassembly all is connected with the heating fan, each the slip subassembly all includes servo motor, screw rod, guide arm and slider, servo motor fixed mounting is in the one end of slip case, servo motor's output extends to the inner chamber of slip case, the one end of screw rod is passed through the bearing and is rotated the inner chamber one side of connecting at the slip case, the other end of screw rod passes through shaft coupling locking connection at servo motor's output, guide arm fixed mounting is at the inner chamber of slip case, the slider spiro union cup joints the outer wall at the guide arm at the outer wall of screw rod and slidable, the one end and the heating fan fixed connection of slider.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, in reinforced time, starter motor makes the motor drive carousel and bull stick rotate, because bull stick eccentric settings is on the top of carousel, consequently, when the bull stick is rotatory to the inner chamber right-hand member of install bin, can make connecting rod pulling baffle and limiting plate slide under spacing groove and stopper limiting displacement to make the baffle slide out the inner chamber of fixed case, conveniently add the material to the inner chamber of loading hopper.

And secondly, after feeding, the motor is continuously controlled to rotate, the rotary disc drives the rotary rod to rotate, the rotary rod is rotated to the right end of the inner cavity of the installation box, the connecting rod is enabled to push the baffle and the limiting plate to slide to the left side of the inner cavity of the fixed box under the limiting effect of the limiting groove and the limiting block, the baffle is enabled to shield the top end of the fixed box, and then the situation that materials of the extruder body collapse out from the inner cavity of the feeding hopper in the operation process can be avoided, so that the materials are wasted, and resources are saved.

Third, start servo motor, make servo motor drive the screw rod and rotate, under the effect of screw rod outer wall screw thread rotation power, when the screw rod is rotatory, can make the slider drive the heating fan along the straight line and slide under the limiting displacement of guide arm, start-up heating fan, it is hot-blast to make the heating fan produce, and then drive the heating fan through the slider and can make hot-blast even sweeping and spread into the inside of extruder body in the outside of extruder body and through the heat transfer, heat the material.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a diagram: the utility model is a schematic three-dimensional structure;

FIG. 2 is a diagram of: the utility model installs the sectional view of the front view of the case;

FIG. 3 is a diagram of: the structure of the slideway is schematically shown;

FIG. 4 is a diagram of: the baffle plate has a schematic three-dimensional structure;

FIG. 5 is a diagram: the structure of the turntable is shown schematically;

FIG. 6 is a diagram of: the utility model discloses a sliding assembly.

In the figure: 1. a support; 2. an extruder body; 3. a hopper; 4. a fixed box; 5. installing a box; 6. A baffle plate; 7. a limiting plate; 8. a motor; 9. a turntable; 10. a rotating rod; 11. connecting a bearing; 12. a slideway; 13. a connecting rod; 14. a limiting groove; 15. a limiting block; 16. heat dissipation holes; 17. a slide box; 18. a servo motor; 19. a screw; 20. a guide bar; 21. a slider; 22. a heating fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a modified for moulding plastics double screw extruder of engineering plastics, which comprises a bracket 1, the top of support 1 is provided with extruder body 2, top one side of extruder body 2 is provided with loading hopper 3, the top of loading hopper 3 is provided with fixed case 4, the inner chamber slidable of fixed case 4 is pegged graft and is had baffle 6, the top of extruder body 2 is provided with install bin 5, the inner chamber of install bin 5 is provided with reciprocal subassembly, the one end of baffle 6 extends to the outside of fixed case 4, the one end of reciprocal subassembly is connected with the one end of baffle 6.

It should be noted that the extruder body 2 belongs to one of the types of plastic machinery, originated from 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 rod, the screw rod extruder can fully plasticize and uniformly mix materials by means of the pressure and the shearing force generated by the rotation of the screw rod, the plastic extruder can be basically classified into a double screw rod extruder, a single screw rod extruder, a rare multi-screw rod extruder and a screw-free extruder through the forming of a neck mold, for the prior art, the description is not provided too much, through the arrangement of the baffle 6, the material can be prevented from being burst out from the inner cavity of the feeding hopper 3 when the extruder body 2 is in operation, the waste of the material is caused, the resources are saved, through the arrangement of the reciprocating component, the baffle 6 can slide in the inner cavity of the fixed box 4, thereby being convenient for the inner cavity of the charging hopper 3 to add materials.

As a preferred scheme, furthermore, the reciprocating assembly comprises a motor 8, a rotary table 9, a rotary rod 10, a connecting bearing 11, a slide 12 and a connecting rod 13, the motor 8 is fixedly installed in an inner cavity of the installation box 5, the rotary table 9 is fixedly installed at an output end of the motor 8, the rotary rod 10 is eccentrically arranged at the top end of the rotary table 9, an inner ring of the connecting bearing 11 is fixedly sleeved on an outer wall of the rotary rod 10, the slide 12 is arranged at one end of the installation box 5, one end of the connecting rod 13 is fixedly sleeved on an outer ring of the connecting bearing 11, and the other end of the connecting rod 13 penetrates through the inner cavity of the slide 12, extends to the outside of the installation box 5 and is rotatably connected with one end of the baffle 6 through a pin shaft.

It should be noted that, during feeding, the motor 8 is started, so that the motor 8 drives the rotary table 9 and the rotary rod 10 to rotate, and since the rotary rod 10 is eccentrically arranged at the top end of the rotary table 9, when the rotary rod 10 rotates to the right end of the inner cavity of the installation box 5, the connecting rod 13 can pull the baffle 6 and the limiting plate 7 to slide under the limiting action of the limiting groove 14 and the limiting block 15, so that the baffle 6 slides out of the inner cavity of the fixed box 4, the material can be conveniently added into the inner cavity of the feeding hopper 3, after feeding, the motor 8 is continuously controlled to rotate, so that the rotary table 9 drives the rotary rod 10 to rotate, the rotary rod 10 rotates to the right end of the inner cavity of the installation box 5, so that the connecting rod 13 pushes the baffle 6 and the limiting plate 7 to slide to the left side of the inner cavity of the fixed box 4 under the limiting action of the limiting groove 14 and the limiting block 15, so that the baffle 6 shields the top end of the fixed box 4, and further, the material can be prevented from being collapsed out of the inner cavity of the feeding hopper 3 when the extruder body 2 is in operation, resulting in material waste and resource saving.

As preferred scheme, still further, 6 one ends of baffle are provided with limiting plate 7, and the outer wall both sides of limiting plate 7 are provided with supporting component respectively, through the setting of limiting plate 7, can prevent that baffle 6 from breaking away from the inner chamber of fixed case 4 to the stability of the device when using has been improved.

As preferred scheme, furthermore, each supporting component includes a limiting groove 14 and a limiting block 15, the limiting groove 14 is opened on the inner wall of the fixing box 4, one end of the limiting block 15 is slidably embedded in the inner cavity of the limiting groove 14, and the other end of the limiting block 15 is fixedly connected to the outer wall of the limiting plate 7.

It should be noted that, when the baffle 6 is in the gliding, can make the limiting plate 7 drive the stopper 15 and slide at the inner chamber of spacing groove 14, because the stable embedded inner chamber at the spacing groove 14 of stopper 15, consequently, under the mutually supporting between stopper 15 and spacing groove 14, can support the baffle 6, be located the balance of baffle 6.

As preferred scheme, further, the inner chamber of spacing groove 14 and the outer wall of spacing block 15 all are "T" font, can make the stable embedded inner chamber at spacing groove 14 of spacing block 15, avoid spacing block 15 to break away from the inner chamber of spacing groove 14, have improved supporting component's stability.

As preferred scheme, furthermore, a plurality of louvre 16 has been seted up respectively to the outer wall left and right sides of install bin 5, can give off the heat that motor 8 produced to can avoid motor 8 high temperature to influence the normal operating of motor 8.

Preferably, the bottom end of the support 1 is provided with a non-slip mat to increase the friction between the bottom end of the support 1 and the ground, so that the support can be used.

Preferably, the front side and the rear side of the extruder body 2 are respectively provided with a sliding box 17, the inner cavity of each sliding box 17 is provided with a sliding assembly, one end of each sliding assembly is connected with a heating fan 22, each sliding assembly comprises a servo motor 18, a screw rod 19, a guide rod 20 and a sliding block 21, the servo motor 18 is fixedly arranged at one end of the sliding box 17, the output end of the servo motor 18 extends to the inner cavity of the sliding box 17, one end of the screw rod 19 is rotatably connected to one side of the inner cavity of the sliding box 17 through a bearing, the other end of the screw rod 19 is connected to the output end of the servo motor 18 through a coupling in a locking manner, the guide rod 20 is fixedly installed in an inner cavity of the sliding box 17, the sliding block 21 is screwed on the outer wall of the screw rod 19 and is slidably sleeved on the outer wall of the guide rod 20, and one end of the sliding block 21 is fixedly connected with the heating fan 22.

It should be noted that, the servo motor 18 is started, so that the servo motor 18 drives the screw rod 19 to rotate, under the action of the rotating force of the thread on the outer wall of the screw rod 19, when the screw rod 19 rotates, the sliding block 21 can drive the heating fan 22 to slide along a straight line under the limiting effect of the guide rod 20, the heating fan 22 is started, so that the heating fan 22 generates hot air, and then the sliding block 21 drives the heating fan 22, so that the hot air can be uniformly blown outside the extruder body 2 and transferred into the extruder body 2 through heat transfer, and the material is heated.

The working principle is as follows: when feeding, the motor 8 is started, so that the motor 8 drives the turntable 9 and the rotating rod 10 to rotate, and the rotating rod 10 is eccentrically arranged at the top end of the turntable 9, so that when the rotating rod 10 rotates to the right end of the inner cavity of the installation box 5, the connecting rod 13 can pull the baffle 6 and the limiting plate 7 to slide under the limiting action of the limiting groove 14 and the limiting block 15, so that the baffle 6 slides out of the inner cavity of the fixed box 4, and materials can be conveniently added into the inner cavity of the feeding hopper 3;

after feeding, the motor 8 is continuously controlled to rotate, so that the rotary table 9 drives the rotary rod 10 to rotate, the rotary rod 10 rotates to the right end of the inner cavity of the installation box 5, the connecting rod 13 pushes the baffle 6 and the limiting plate 7 to slide towards the left side of the inner cavity of the fixed box 4 under the limiting action of the limiting groove 14 and the limiting block 15, the baffle 6 shields the top end of the fixed box 4, and therefore materials can be prevented from being blown out of the inner cavity of the feeding hopper 3 when the extruder body 2 runs, waste of the materials is avoided, and resources are saved;

start servo motor 18, make servo motor 18 drive screw rod 19 and rotate, under the effect of screw rod 19 outer wall screw thread revolving force, when screw rod 19 is rotatory, can make slider 21 drive heating fan 22 along the straight line and slide under the limiting displacement of guide arm 20, start heating fan 22, make heating fan 22 produce hot-blastly, and then drive heating fan 22 through slider 21 and can make hot-blastly even sweep in extruder body 2's outside and pass through the inside that the heat transfer spreads into extruder body 2, heat the material.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. The utility model provides an engineering plastics is modified and is moulded plastics with twin-screw extruder which characterized in that: including support (1), the top of support (1) is provided with extruder body (2), top one side of extruder body (2) is provided with loading hopper (3), the top of loading hopper (3) is provided with fixed case (4), peg graft of the inner chamber slidable of fixed case (4) has baffle (6), the top of extruder body (2) is provided with install bin (5), the inner chamber of install bin (5) is provided with reciprocal subassembly, the one end of baffle (6) extends to the outside of fixed case (4), the one end of reciprocal subassembly is connected with the one end of baffle (6).

2. The double-screw extruder for engineering plastic modification injection molding according to claim 1, wherein: reciprocal subassembly is including motor (8), carousel (9), bull stick (10), connection bearing (11), slide (12) and connecting rod (13), motor (8) fixed mounting is in the inner chamber of install bin (5), carousel (9) fixed mounting is at the output of motor (8), bull stick (10) eccentric settings is on the top of carousel (9), the outer wall at bull stick (10) is fixed to the inner ring of connection bearing (11) fixed cup, the one end at install bin (5) is seted up in slide (12), the outer loop at connection bearing (11) is fixed to the fixed cup joint of one end of connecting rod (13), the other end of connecting rod (13) runs through the inner chamber of slide (12) and extends to the outside of install bin (5) and is connected through the round pin hub rotation with the one end of baffle (6).

3. The double-screw extruder for engineering plastic modification injection molding according to claim 1, wherein: one end of the baffle (6) is provided with a limiting plate (7), and two sides of the outer wall of the limiting plate (7) are respectively provided with a supporting component.

4. The double-screw extruder for engineering plastic modification injection molding according to claim 3, wherein: each supporting component comprises a limiting groove (14) and a limiting block (15), the limiting groove (14) is formed in the inner wall of the fixed box (4), one end of the limiting block (15) is embedded into the inner cavity of the limiting groove (14) in a sliding mode, and the other end of the limiting block (15) is fixedly connected to the outer wall of the limiting plate (7).

5. The double-screw extruder for engineering plastic modification injection molding according to claim 4, wherein: the inner cavity of the limiting groove (14) and the outer wall of the limiting block (15) are both T-shaped.

6. The double-screw extruder for engineering plastic modification injection molding according to claim 1, wherein: the left side and the right side of the outer wall of the installation box (5) are respectively provided with a plurality of heat dissipation holes (16).

7. The double-screw extruder for engineering plastic modification injection molding according to claim 1, wherein: the bottom end of the bracket (1) is provided with an anti-skid pad.

8. The double-screw extruder for engineering plastic modification injection molding according to claim 1, wherein: the extruder is characterized in that sliding boxes (17) are respectively arranged on the front side and the rear side of the extruder body (2), each sliding box (17) is provided with a sliding assembly in an inner cavity, one end of each sliding assembly is connected with a heating fan (22), each sliding assembly comprises a servo motor (18), a screw rod (19), a guide rod (20) and a sliding block (21), the servo motor (18) is fixedly installed at one end of the sliding box (17), the output end of the servo motor (18) extends to the inner cavity of the sliding box (17), one end of the screw rod (19) is rotatably connected to one side of the inner cavity of the sliding box (17) through a bearing, the other end of the screw rod (19) is connected to the output end of the servo motor (18) in a locking mode through a coupler, the guide rod (20) is fixedly installed in the inner cavity of the sliding box (17), the sliding block (21) is in threaded connection with the outer wall of the screw rod (19) and is slidably sleeved on the outer wall of the guide rod (20), one end of the sliding block (21) is fixedly connected with the heating fan (22).