CN220031112U

CN220031112U - Screw extruder

Info

Publication number: CN220031112U
Application number: CN202321461830.5U
Authority: CN
Inventors: 陈燕红; 陈奕睿
Original assignee: Zhejiang Haibeisi Machinery Co ltd
Current assignee: Zhejiang Haibeisi Machinery Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-11-17
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a screw extruder, which belongs to the technical field of screw extruders, and the technical scheme is characterized by comprising the following steps: an extruder body; the feed hopper is arranged on the extruder body; the stirring structure is arranged on the feed hopper and comprises a driving motor and a stirring rod; the partition structure is arranged on the feed hopper and comprises a partition plate and a plurality of opening structures; a spiral blanking rod; wherein, the puddler runs through the partition panel and is connected with spiral unloading pole. The utility model improves the mixing uniformity of the material particles in different materials in the feeding hopper.

Description

Screw extruder

Technical Field

The utility model belongs to the technical field of screw extruders, and particularly relates to a screw extruder.

Background

The twin-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like, so that the twin-screw extruder is widely applied to the molding processing of extruded products at present, and can mix molten plastics, but the mixing efficiency can be improved by mixing the molten plastics before melting.

The prior Chinese patent with publication number of CN115056377A discloses PAS resin modified double-screw extrusion equipment, which comprises a base, the surface of base is provided with the extrusion shell, the top of extrusion shell is connected with the feeder hopper, the one end bottom that the extrusion shell kept away from the feeder hopper is provided with the material extrusion mouth, the one end that the extrusion shell kept away from the material extrusion mouth is connected with double-screw rotation driving chamber and double-screw ejection driving chamber.

The twin-screw extrusion device performs preliminary mixing of each plastic particle in the feed hopper, but the raw material particles just added into the feed hopper can enter the spiral blanking rod, so that the materials at the front end are unevenly mixed.

Disclosure of Invention

The utility model aims at solving the technical problems, and provides a screw extruder which improves the mixing uniformity of different material particles in a feed hopper.

The present utility model provides a screw extruder comprising:

an extruder body;

the feed hopper is arranged on the extruder body;

the stirring structure is arranged on the feed hopper and comprises a driving motor and a stirring rod;

the partition structure is arranged on the feed hopper and comprises a partition plate and a plurality of opening structures;

a spiral blanking rod;

wherein, the puddler runs through the partition panel and is connected with spiral unloading pole.

After the material is placed in the feeder hopper, stirring is carried out through the stirring mechanism, after the material is added in the feeder hopper, the material is blocked by the partition mechanism, then stirring is carried out, the driving motor drives the stirring rod and the spiral blanking rod, the material which is partially trapped in the spiral blanking rod can be prevented from being stirred through the partition structure, the overall stirring uniformity of the material is improved, the material is opened through the opening structure after stirring is completed, the material enters the lower part of the partition plate, the processing process can be realized through the partition structure, and when the material is continuously added, the material after the previous mixing and the material after the previous mixing are stirred without each other, so that the material in the extruder body is ensured to be uniform and stable.

Further, the opening structure includes:

the switch board is matched with the partition board;

the rotating shaft is arranged between the switch plate and the partition plate;

a rotating handle connected with the rotating shaft;

a spring acting on the stem;

the rotary shaft extends out of the feeding hopper, and is arranged on one side of the switch plate.

The switch board is fan-shaped, and one side of switch board rotates through the pivot and switches, can rotate the pivot through the turning handle, and the switch structure is in normally closed state through spring control switch board, when the switch board was opened to needs, rotates the turning handle and makes the switch board open, and the switch board is provided with 4 and above numbers, and evenly respectively around the axis of feeder hopper, and the material of being convenient for is quick stable cuts off the structure through.

Further, the partition structure further includes:

the driving ring is sleeved on the feed hopper;

the driving cylinder is arranged between the driving ring and the feed hopper;

the roller is arranged on the rotating handle and props against the driving ring;

wherein, the gyro wheel is arranged in the one end of stem, the other end of stem is arranged in to the spring.

The driving cylinder drives the driving ring to move along the axial direction, so that the driving ring is abutted against the rollers, the driving ring continuously moves, the rollers roll on the driving ring, meanwhile, the rotating handle is rotated, the switch plate is opened, the interface of the driving ring is L-shaped, and the protection of the rotating handle is improved.

Further, the outer wall surface of feeder hopper is provided with the link, spring and link adaptation.

The spring adopts tension spring, is connected through the link between spring and the feeder hopper, and the link passes through welding or connecting piece to be connected on the outer wall surface of feeder hopper.

Further, the partition plate is provided with a mounting sleeve, and the mounting sleeve is matched with the stirring rod.

The installation sleeve is welded with the partition plate or connected through a connecting piece, stability of the stirring rod during rotation is improved through the installation sleeve, and the installation sleeve is connected with the stirring rod through a bearing or a bearing bush.

Further, a reinforcing rib is arranged between the partition plate and the mounting sleeve.

Structural strength between the partition board and the mounting sleeve is improved through the reinforcing ribs, bearing performance of the partition board is improved, and structural stability after material placement is guaranteed.

The beneficial effects of the utility model are as follows:

1. the material that can avoid part to trap in spiral unloading pole through the wall structure does not participate in the stirring, improves the whole stirring homogeneity of material, opens through the opening structure after accomplishing the stirring, makes the material enter into the partition panel below.

2. In the processing process, when continuously adding materials, the materials after the previous mixing and the following material stirring are not mutually influenced through the partition structure, and the materials entering the extruder body are ensured to be uniform and stable.

3. The driving cylinder drives the driving ring to move along the axial direction, so that the driving ring is abutted against the roller, the driving ring continuously moves, the roller rolls on the driving ring, the rotating handle is rotated, the switch plate is opened, and the switch structure controls the switch plate to be in a normally closed state through the spring.

Drawings

FIG. 1 is a schematic view of a screw extruder according to the present utility model;

FIG. 2 is a schematic view of the structure of the feed hopper of the present utility model;

FIG. 3 is a schematic top view of the partition panel of the present utility model;

FIG. 4 is a schematic view of a partial cross-sectional structure of a stem of the present utility model;

reference numeral 100 in the figure, an extruder body; 200. a feed hopper; 300. a stirring structure; 310. a driving motor; 320. a stirring rod; 400. a partition structure; 401. a partition panel; 402. a mounting sleeve; 403. reinforcing ribs; 410. a switch board; 420. a rotating shaft; 430. a rotating handle; 440. a spring; 450. a drive ring; 460. a driving cylinder; 470. a roller; 500. a spiral blanking rod; 600. hanging rings.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present utility model, fall within the scope of protection of the present utility model.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present utility model may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

The following provides a detailed description of embodiments of the present utility model through specific embodiments and application scenarios thereof with reference to the accompanying drawings.

Example 1:

as shown in fig. 1 and 2, an embodiment of the present utility model provides a screw extruder, including:

an extruder body 100;

a feed hopper 200 mounted on the extruder body 100;

the stirring structure 300 is arranged on the feed hopper 200, and the stirring structure 300 comprises a driving motor 310 and a stirring rod 320;

a partition structure 400 disposed on the feed hopper 200, the partition structure 400 including a partition plate 401 and a plurality of opening structures;

a spiral blanking rod 500;

wherein, the stirring rod 320 penetrates through the partition plate 401 and is connected with the spiral blanking rod 500.

After the material is placed in the feeder hopper 200, stirring is carried out through the stirring mechanism, after the material is added into the feeder hopper 200, the material is blocked by the partition mechanism, then stirring is carried out, the driving motor 310 drives the stirring rod 320 and the spiral blanking rod 500, the material which is partially trapped in the spiral blanking rod 500 can be prevented from being stirred through the partition structure 400, the overall stirring uniformity of the material is improved, the material is opened through the opening structure after stirring is completed, the material enters the lower part of the partition plate 401, the processing process can be realized through the partition structure 400, and when the material is continuously added, the material after the previous mixing and the material after the material stirring are not mutually influenced, and the material which enters the extruder body 100 is ensured to be uniform and stable.

Example 2:

as shown in fig. 2, 3 and 4, the embodiment of the present utility model provides a screw extruder, which includes the above technical features, and further, the opening structure includes:

a switch board 410 adapted to the partition board 401;

a rotation shaft 420 installed between the switch plate 410 and the partition plate 401;

a rotating handle 430 connected to the rotating shaft 420;

a spring 440 acting on the stem 430;

wherein the rotating shaft 420 extends to the outside of the feeding hopper 200, and the rotating shaft 420 is disposed at one side of the switch board 410.

The switch board 410 is fan-shaped, and one side of switch board 410 rotates through pivot 420 and carries out the switch, can rotate pivot 420 through rotating handle 430, and the switch structure passes through spring 440 control switch board 410 and is in normally closed state, and when needs switch board 410 was opened, the rotation rotating handle 430 made switch board 410 open, and switch board 410 is provided with 4 and above numbers, and evenly respectively around the axis of feeder hopper 200, and the material of being convenient for is quick stable passes through partition structure 400.

Further, the partition structure 400 further includes:

a driving ring 450 sleeved on the feed hopper 200;

a driving cylinder 460 disposed between the driving ring 450 and the feeding hopper 200;

a roller 470 mounted on the stem 430 and abutting the drive ring 450;

wherein the roller 470 is disposed at one end of the rotation handle 430, and the spring 440 is disposed at the other end of the rotation handle 430.

The driving cylinder 460 drives the driving ring 450 to move along the axial direction, so that the driving ring 450 is abutted against the rollers 470, the driving ring 450 continuously moves, the rollers 470 roll on the driving ring 450, meanwhile, the rotating handle 430 rotates, the switch plate 410 is opened, the interface of the driving ring 450 is L-shaped, and the protection of the rotating handle 430 is improved.

Further, a hanging ring 600 is provided on the outer wall surface of the feeding hopper 200, and the spring 440 is adapted to the hanging ring 600.

The spring 440 adopts a tension spring 440, the spring 440 is connected with the feeding hopper 200 through a hanging ring 600, and the hanging ring 600 is connected on the outer wall surface of the feeding hopper 200 through welding or a connecting piece.

Example 3:

as shown in fig. 2, the embodiment of the present utility model provides a screw extruder, further, the partition plate 401 is provided with a mounting sleeve 402, and the mounting sleeve 402 is adapted to the stirring rod 320, in addition to the above technical features.

The mounting sleeve 402 is welded with the partition plate 401 or connected through a connecting piece, stability of the stirring rod 320 during rotation is improved through the mounting sleeve 402, and the mounting sleeve 402 is connected with the stirring rod 320 through a bearing or a bearing bush.

Further, a reinforcing rib 403 is provided between the partition plate 401 and the mounting sleeve 402.

The structural strength between the partition plate 401 and the mounting sleeve 402 is improved through the reinforcing ribs 403, the bearing performance of the partition plate 401 is improved, and the structural stability after the material is placed is ensured.

It should be noted that, in this document, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present utility model is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.

Claims

1. A screw extruder, comprising:

an extruder body (100);

a feed hopper (200) mounted on the extruder body (100);

the stirring structure (300) is arranged on the feed hopper (200), and the stirring structure (300) comprises a driving motor (310) and a stirring rod (320);

the partition structure (400) is arranged on the feed hopper (200), and the partition structure (400) comprises a partition plate (401) and a plurality of opening structures;

a spiral blanking rod (500);

wherein, stirring rod (320) runs through partition plate (401) and is connected with spiral unloading pole (500).

2. The screw extruder of claim 1 wherein the opening structure comprises:

a switch plate (410) adapted to the partition plate (401);

a rotating shaft (420) mounted between the switch plate (410) and the partition plate (401);

a rotating handle (430) connected with the rotating shaft (420);

a spring (440) acting on the stem (430);

the rotating shaft (420) extends out of the feeding hopper (200), and the rotating shaft (420) is arranged on one side of the switch plate (410).

3. The screw extruder of claim 2 wherein the partition structure (400) further comprises:

a driving ring (450) sleeved on the feed hopper (200);

a driving cylinder (460) disposed between the driving ring (450) and the feed hopper (200);

a roller (470) mounted on the stem (430) and abutting the drive ring (450);

wherein the roller (470) is disposed at one end of the rotation handle (430), and the spring (440) is disposed at the other end of the rotation handle (430).

4. A screw extruder according to claim 3, characterized in that the outer wall surface of the feed hopper (200) is provided with a suspension ring (600), the spring (440) being adapted to the suspension ring (600).

5. Screw extruder according to claim 1, characterized in that the partition plate (401) is provided with a mounting sleeve (402), which mounting sleeve (402) is adapted to the stirring rod (320).

6. Screw extruder according to claim 5, characterized in that a stiffening rib (403) is provided between the partition plate (401) and the mounting sleeve (402).