CN217670946U

CN217670946U - Feeding device for double-screw extruder

Info

Publication number: CN217670946U
Application number: CN202221337795.1U
Authority: CN
Inventors: 刘泽江; 王海建; 王兰妹
Original assignee: Xiongxian Yutai Rubber And Plastic Products Co ltd
Current assignee: Xiongxian Yutai Rubber And Plastic Products Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-28
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a feeding device for double screw extruder belongs to extruder technical field. A feeding device for a double-screw extruder comprises a material barrel and a feeding box, wherein the feeding box is fixedly connected to the top end of the material barrel, an anti-blocking mechanism is arranged inside the feeding box, a first opening is formed in the bottom end of the feeding box, a second opening is formed in the top end of the material barrel, the first opening is formed in the bottom of the second opening, the first opening is communicated with the second opening, and the anti-blocking mechanism penetrates through the first opening and extends into the second opening; the utility model discloses a thereby first puddler and second puddler stir the raw materials of feeding incasement portion and prevent that the raw materials from taking place to pile up in feeding incasement portion and leading to blockking up, and the hob is then further with inside the leading-in feed cylinder of the raw materials of feeding incasement portion, the raw materials is opened by the stirring and is difficult for piling up and block up, the feed is smooth and easy, it is not only convenient but also to have improved work efficiency to use.

Description

Feeding device for double-screw extruder

Technical Field

The utility model relates to an extruder technical field especially relates to a feeding device for double screw extruder.

Background

The double-screw extruder is developed on the basis of a single-screw extruder, has the characteristics of good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and the like, is widely applied to the molding processing of extruded products, and needs to be fed simultaneously when the double-screw extruder extrudes materials.

The feeding hopper is usually directly fixed on the material barrel to feed materials in the prior art, but the raw materials are easy to accumulate in the feeding hopper to cause the raw materials to be fed into the material barrel smoothly, so that the raw materials are easy to block, the smooth extrusion work is not facilitated, the use is inconvenient and the working efficiency is low, and therefore the feeding device for the double-screw extruder is designed to solve the problems that the raw materials in the prior art are easy to accumulate in the feeding hopper to cause the blockage, the raw materials are difficult to discharge smoothly, and the use is inconvenient and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the raw materials are easy to accumulate in the feeding hopper and cause blockage in the prior art, leading to the unable smooth and easy unloading of raw materials, using inconvenient and low work efficiency, and providing a feeding device for double screw extruder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a feeding device for double screw extruder, includes feed cylinder and feeding case, feeding case fixed connection is on the feed cylinder top, feeding incasement portion is equipped with prevents blockking up the mechanism, first opening has been seted up to feeding bottom of the case end, the second opening has been seted up on the feed cylinder top, first opening is established in second opening bottom, just first opening is linked together with the second opening, prevent blockking up the mechanism and run through first opening and extend to inside the second opening.

As the preferred technical scheme of this application, prevent blockking up mechanism includes the connecting plate, the connecting plate is established inside the feeding case, the connecting plate bottom mounting is equipped with the bull stick, the bull stick bottom mounting is equipped with the hob, the hob is established inside the feeding case and is extended to inside the second opening, the fixed a plurality of first puddlers that are equipped with in bull stick outer end, the connecting plate bottom mounting is equipped with two second puddlers, the second puddler is established inside the feeding case.

As a preferable technical scheme of the application, the two second stirring rods are symmetrically distributed along the central axis of the rotating rod, and the plurality of first stirring rods are respectively arranged on the front side and the rear side of the rotating rod.

As the preferred technical scheme of this application, feeding box one side is fixed to be equipped with the loading hopper, just inside and the feeding box of loading hopper are inside to be linked together.

As the preferred technical scheme of this application, the fixed motor that is equipped with in feeding case top, motor output shaft runs through feeding case top and extends to inside the feeding case, just bearing swing joint is passed through with the inside top of feeding case in motor output shaft outer end, motor output shaft bottom and connecting plate top fixed connection.

As the preferred technical scheme of this application, the spout has been seted up on the inside top of feeding case, the connecting plate top end is fixed and is equipped with two T type sliders, T type slider is established inside the spout, and two T type slider is with motor output shaft axis symmetric distribution.

Compared with the prior art, the utility model provides a feeding device for double screw extruder possesses following beneficial effect:

this feeding device for double screw extruder stirs the raw materials of feeding incasement portion through first puddler and second puddler thereby prevents that the raw materials from taking place to pile up in feeding incasement portion and leading to blockking up, and the hob is then further with inside the leading-in feed cylinder of the raw materials of feeding incasement portion, the raw materials is stirred to be opened and is difficult for piling up and blockking up, the feed is smooth and easy, uses not only conveniently but also improved work efficiency.

Drawings

Fig. 1 is a schematic diagram of an overall three-dimensional structure of a feeding device for a double-screw extruder provided by the utility model;

fig. 2 is a schematic view of a three-dimensional structure of a charging barrel of the feeding device for the twin-screw extruder provided by the utility model;

fig. 3 is a schematic view of the three-dimensional structure inside the feeding box of the feeding device for the twin-screw extruder provided by the present invention;

fig. 4 is a schematic cross-sectional three-dimensional structure diagram of a feeding box of a feeding device for a double-screw extruder provided by the utility model;

fig. 5 is a schematic view of a three-dimensional structure of a connecting plate of a feeding device for a twin-screw extruder provided by the utility model.

In the figure: the device comprises a charging barrel 1, a feeding box 2, a connecting plate 3, a rotating rod 4, a first stirring rod 5, a screw rod 6, a second stirring rod 7, a first opening 8, a second opening 9, a motor 10, a sliding chute 11, a sliding block 12T and a charging hopper 13.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other; the specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a feeding device for a double screw extruder comprises a material cylinder 1 and a feeding box 2, wherein the feeding box 2 is fixedly connected to the top end of the material cylinder 1, an anti-blocking mechanism is arranged inside the feeding box 2, a first opening 8 is formed in the bottom end of the feeding box 2, a second opening 9 is formed in the top end of the material cylinder 1, the first opening 8 is formed in the bottom of the second opening 9, the first opening 8 is communicated with the second opening 9, the anti-blocking mechanism penetrates through the first opening 8 and extends into the second opening 9, and the first opening 8 and the second opening 9 play a role in connecting the inside of the material cylinder 1 and the inside of the feeding box 2.

Prevent blockking up mechanism includes connecting plate 3, connecting plate 3 is established inside

feeding box

2, 3 bottom mounting of connecting plate is equipped with

bull stick

4, 4 bottom mounting of bull stick is equipped with hob 6, hob 6 is established inside feeding box 2 and is extended to inside second opening 9, 4 outer ends of bull stick are fixed and are equipped with a plurality of

first puddlers

5, 3 bottom mounting of connecting plate is equipped with two second puddlers 7, second puddler 7 is established inside feeding box 2, prevent that blockking up mechanism can prevent that the raw materials from taking place to pile up inside feeding box 2, also can be inside 1 with the inside raw materials direction feed cylinder of feeding box 2 simultaneously.

Two second puddlers 7 are with 4 axis symmetric distributions of bull stick, and a plurality of first puddlers 5 are established respectively in 4 front sides of bull stick and rear sides, and symmetric distribution can make two second puddlers 7 when rotating the stirring raw materials, and the power of applying to connecting plate 3 is more even, makes its rotation more smooth and easy.

A feeding hopper 13 is fixedly arranged on one side of the feeding box 2, the interior of the feeding hopper 13 is communicated with the interior of the feeding box 2, and raw materials can be added into the feeding box 2 through the feeding hopper 13.

The fixed motor 10 that is equipped with in 2 tops of feeding case, motor 10 output shaft run through 2 tops of feeding case and extend to inside the feeding case 2, and motor 10 output shaft outer end and the inside top of feeding case 2 pass through bearing swing joint, motor 10 output shaft bottom and 3 top fixed connection of connecting plate, and motor 10 plays the effect that provides power to preventing blockking up the mechanism, can drive connecting plate 3 and rotate.

Example 2:

referring to fig. 3-5, a feeding device for a double screw extruder is substantially the same as that in embodiment 1, further, a chute 11 is formed at the top end inside a feeding box 2, two T-shaped sliders 12 are fixedly arranged at the top end of a connecting plate 3, the T-shaped sliders 12 are arranged inside the chute 11, the two T-shaped sliders 12 are symmetrically distributed around the central axis of an output shaft of a motor 10, the chute 11 and the T-shaped sliders 12 are matched to support the connecting plate 3, and meanwhile, the connecting plate 3 is guided and limited when rotating.

Specifically, this feeding device for twin-screw extruder is when using: at first inside with the leading-in feeding box 2 of raw materials through loading hopper 13, during turn-on motor 10, can drive connecting plate 3 when motor 10 output shaft is rotatory and rotate, connecting plate 3 can drive bull stick 4 and second puddler 7 when rotating and rotate, and can drive first puddler 5 and hob 6 when bull stick 4 rotates, first puddler 5 and second puddler 7 can stir the raw materials of feeding box 2 insides when rotating and make the difficult emergence of raw materials pile up, and hob 6 can be extruded the raw materials of feeding box 2 insides through first opening 8 and the inside twin-screw 1 of second opening 9 direction feed cylinder when rotating.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a feeding device for double screw extruder, includes feed cylinder (1) and feeding case (2), feeding case (2) fixed connection is on feed cylinder (1) top, its characterized in that, feeding case (2) inside is equipped with prevents blockking up the mechanism, first opening (8) have been seted up to feeding case (2) bottom, second opening (9) have been seted up on feed cylinder (1) top, establish in second opening (9) bottom first opening (8), just first opening (8) are linked together with second opening (9), prevent that blockking up the mechanism and run through first opening (8) and extend to inside second opening (9).

2. The feeding device for the double-screw extruder is characterized in that the anti-blocking mechanism comprises a connecting plate (3), the connecting plate (3) is arranged inside the feeding box (2), a rotating rod (4) is fixedly arranged at the bottom end of the connecting plate (3), a screw rod (6) is fixedly arranged at the bottom end of the rotating rod (4), the screw rod (6) is arranged inside the feeding box (2) and extends into the second opening (9), a plurality of first stirring rods (5) are fixedly arranged at the outer end of the rotating rod (4), two second stirring rods (7) are fixedly arranged at the bottom end of the connecting plate (3), and the second stirring rods (7) are arranged inside the feeding box (2).

3. A feeding device for a twin-screw extruder according to claim 2, wherein two of said second stirring rods (7) are symmetrically distributed about the central axis of the rotating rod (4), and a plurality of said first stirring rods (5) are respectively provided at the front side and the rear side of the rotating rod (4).

4. A feeding device for a twin-screw extruder according to claim 1, wherein a feeding hopper (13) is fixedly arranged at one side of the feeding tank (2), and the inside of the feeding hopper (13) is communicated with the inside of the feeding tank (2).

5. The feeding device for the double-screw extruder is characterized in that a motor (10) is fixedly arranged at the top end of the feeding box (2), an output shaft of the motor (10) penetrates through the top end of the feeding box (2) and extends into the feeding box (2), the outer end of the output shaft of the motor (10) is movably connected with the top end of the interior of the feeding box (2) through a bearing, and the bottom end of the output shaft of the motor (10) is fixedly connected with the top end of the connecting plate (3).

6. The feeding device for the double-screw extruder is characterized in that a chute (11) is formed in the top end of the interior of the feeding box (2), two T-shaped sliding blocks (12) are fixedly arranged at the top end of the connecting plate (3), the T-shaped sliding blocks (12) are arranged in the chute (11), and the two T-shaped sliding blocks (12) are symmetrically distributed around the central axis of the output shaft of the motor (10).