CN217891790U

CN217891790U - Precise double-screw extruder

Info

Publication number: CN217891790U
Application number: CN202221756449.7U
Authority: CN
Inventors: 廖斌; 廖群
Original assignee: Zhejiang Erneng New Material Co ltd
Current assignee: Zhejiang Erneng New Material Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-25
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses an accurate double screw extruder relates to double screw extruder technical field, which comprises a housin, fixedly connected with feeder hopper on the casing, the one end fixedly connected with equipment box of casing, the inside fixedly connected with electromagnetic heating circle of casing, fixedly connected with spliced pole on the casing, the mounting groove has been seted up to the inside symmetry of casing, all be provided with the screw rod in two mounting grooves, the equal fixedly connected with gear of one end of two screw rod same positions, intermeshing between two gears, one of them gear meshes for the power component that the screw rod provided power with being used for in the equipment box mutually, the feeder hopper in-connection has prevents stifled subassembly. Utilize to prevent stifled transfer pole in the subassembly, the dwang rotates at the inside circumference of feeder hopper, utilizes the helical coiled passage that forms on the dwang between fixed connection's the spiral blade, not only can cut great granule, also can utilize helical coiled passage faster to carry the material simultaneously, prevents that it from plugging up the feeder hopper.

Description

Precise double-screw extruder

Technical Field

The utility model relates to a double screw extruder technical field specifically is an accurate double screw extruder.

Background

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 classified basically into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

According to the search discovery, chinese patent with patent number CN202122241342.0 discloses a precision double screw extruder, it is through under the interact of double helix pole and meshing toothholder, its rotational speed is higher, can have more approximate relative movement speed in meshing district different positions department, so can produce strongly, even shearing, there is better extrusion effect to the material, through external power control vacuum pump, can extrude the inside gas of chamber seat through the exhaust tube and take out, the extrusion of material has been made things convenient for, the inside of exhaust tube has set up filtering grid simultaneously, so when the material is pushed, can prevent the material from entering the inside of exhaust tube, the normal use of exhaust tube has been guaranteed.

In view of the above technology, the inventor thinks that although the patent can pump out the air inside the twin-screw extruder by using the vacuum pump and the exhaust tube, and prevents the inner wall of the twin-screw extruder from having redundant air, which further affects the extrusion effect, when the existing twin-screw extruder feeds, the feed hopper may be blocked by granular materials, which causes the blockage of the feed hopper and affects the normal use of the twin-screw extruder.

To the problem, the utility model provides an accurate double screw extruder.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate double screw extruder, the subassembly is prevented in the setting, through utilizing to prevent stifled transfer rod in the subassembly, the dwang rotates at the inside circumference of feeder hopper, utilizes the helical coiled passage that forms on the dwang between fixed connection's the spiral blade, not only can cut great granule, also can utilize helical coiled passage faster simultaneously to carry the material, prevents that it from plugging up the feeder hopper to the problem in the background art has been solved.

In order to achieve the above purpose, the utility model provides a following technical scheme: a precise double-screw extruder comprises a shell, wherein a feed hopper is fixedly connected to the shell, an equipment box is fixedly connected to one end of the shell, an electromagnetic heating ring is fixedly connected to the inside of the shell, a connecting column is fixedly connected to the shell, mounting grooves are symmetrically formed in the shell, screws are arranged in the two mounting grooves, gears are fixedly connected to one ends of the two screws at the same position, the two gears are meshed with each other, one gear is meshed with a power component which is arranged in the equipment box and used for providing power for the screws, and an anti-blocking component is connected to the inside of the feed hopper;

prevent stifled subassembly including being used for at the inside circumference pivoted dwang of feeder hopper, fixedly connected with helical blade on the dwang forms the spiral passageway that supplies the material to pass through fast between the helical blade.

Further, the outer peripheral wall of the spiral blade is in sliding connection with the inner wall of the straight barrel part of the feed hopper.

Furthermore, the outer side wall of the helical blade fixedly connected to the screw rod is in sliding connection with the inner wall of the mounting groove.

Further, feeder hopper inner wall top fixedly connected with mounting bracket, the lower surface middle part fixedly connected with install bin of mounting bracket, fixedly connected with second motor in the install bin, the output shaft of second motor is vertical downwards and link up the bottom of install bin and the top fixed connection of dwang through the shaft coupling.

Furthermore, a plurality of groups of electromagnetic heating rings are arranged in the shell, the distance between every two adjacent electromagnetic heating rings is equal, and the heating temperature of the plurality of electromagnetic heating rings from the equipment box to the connecting column is gradually increased.

Furthermore, the power assembly comprises a first motor, the output end of the first motor horizontally penetrates through the side wall of the equipment box rightwards and is fixedly connected with a driving gear through a coupler, the inner wall of the equipment box is rotatably connected with a connecting rod through a rotating shaft, a first transmission gear is fixedly connected onto the connecting rod, a second transmission gear is fixedly connected to the other end of the connecting rod, the driving gear is meshed with the first transmission gear and is connected with a third transmission gear, and the third transmission gear is meshed with a gear on one screw rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of accurate double screw extruder utilizes and prevents the transfer pole in stifled subassembly, and the transfer pole rotates at the inside circumference of feeder hopper, utilizes the helical coiled passage that forms on the transfer pole between fixed connection's the helical blade, not only can cut great granule, also can utilize helical coiled passage faster to carry the material simultaneously, prevents that it from plugging up the feeder hopper, influences the pay-off effect to double screw extruder.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a precision twin-screw extruder according to the present invention;

FIG. 2 is a schematic view of a sectional structure of a precision twin-screw extruder according to the present invention;

FIG. 3 is an enlarged view of the part A of FIG. 2 according to the present invention;

fig. 4 is the schematic diagram of the section structure of the feeding hopper of the precise twin-screw extruder of the utility model.

In the figure: 1. a housing; 2. connecting columns; 3. mounting grooves; 4. a screw; 5. a feed hopper; 6. a mounting frame; 7. installing a box; 8. an equipment box; 9. a first motor; 10. an electromagnetic heating coil; 11. a driving gear; 12. a first drive gear; 13. a second transmission gear; 14. a third transmission gear; 15. rotating the rod; 16. a second motor; 17. a spiral blade.

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 efforts all belong to the protection scope of the present invention.

In order to solve the technical problem how to prevent the feed hopper 5 from being blocked, as shown in fig. 1-4, the following preferred technical solutions are provided:

a precise double-screw extruder comprises a shell 1, wherein a feed hopper 5 is fixedly connected to the shell 1, an equipment box 8 is fixedly connected to one end of the shell 1, an electromagnetic heating ring 10 is fixedly connected to the inside of the shell 1, a connecting column 2 is fixedly connected to the shell 1, mounting grooves 3 are symmetrically formed in the shell 1, screws 4 are arranged in the two mounting grooves 3, gears are fixedly connected to one ends of the two screws 4 at the same position, the two gears are meshed with each other, one of the gears is meshed with a power component which is arranged in the equipment box 8 and used for providing power for the screws 4, and an anti-blocking component is connected to the feed hopper 5;

the anti-blocking component comprises a rotating rod 15 which is used for rotating circumferentially in the feeding hopper 5, a spiral blade 17 is fixedly connected onto the rotating rod 15, and a spiral channel for materials to pass through quickly is formed between the spiral blades 17.

The outer peripheral wall of the spiral blade 17 is connected with the inner wall of the straight cylinder part of the feed hopper 5 in a sliding way.

The outer side wall of the helical blade fixedly connected with the screw rod 4 is in sliding connection with the inner wall of the mounting groove 3.

The electromagnetic heating rings 10 are provided with a plurality of groups in the housing 1, the distance between two adjacent electromagnetic heating rings 10 is equal, and the heating temperature of the plurality of electromagnetic heating rings 10 from the equipment box 8 to the connecting column 2 is gradually increased.

5 inner wall top fixedly connected with mounting bracket 6 of feeder hopper, the lower surface middle part fixedly connected with install bin 7 of mounting bracket 6, fixedly connected with second motor 16 in the install bin 7, the output shaft of second motor 16 is vertical downwards and link up the bottom of install bin 7 and the top fixed connection of dwang 15 through the shaft coupling.

Specifically, when using, with feeder hopper 5 fixed connection on casing 1 earlier, then pour granular material into in the feeder hopper 5, open second motor 16, second motor 16 can drive dwang 15 and rotate at the inside circumference of feeder hopper 5, fixed connection's helical blade 17 can cut great granular material on the dwang 15, and simultaneously, utilize helical passage between helical blade 17 can be faster carry the casing 1 with the material in, reuse power pack makes sliding connection between the inner wall of mounting groove 3 and the helical blade on the relative pivoted screw rod 4 in the mounting groove 3, the mobile extrusion speed of material in mounting groove 3 has further been guaranteed, the extrusion effect of twin screw extruder has further been guaranteed.

Further, as shown in fig. 1 to 4, the following preferred technical solutions are provided:

the power assembly comprises a first motor 9, the output end of the first motor 9 horizontally penetrates through the side wall of the equipment box 8 rightwards and is fixedly connected with a driving gear 11 through a coupler, the inner wall of the equipment box 8 is rotatably connected with a connecting rod through a rotating shaft, a first transmission gear 12 is fixedly connected onto the connecting rod, the other end of the connecting rod is fixedly connected with a second transmission gear 13, the driving gear 11 is meshed with the first transmission gear 12 and is connected with a third transmission gear 14, and the third transmission gear 14 is meshed with a gear on one screw rod 4.

Specifically, by using a plurality of gears engaged with each other, the purpose of realizing the opposite rotation between the two screws 4 by using the first motor 9 can be achieved, and the production cost of the device is further reduced.

The working principle is as follows: when using, earlier with feeder hopper 5 fixed connection on casing 1, then pour granular material into in to feeder hopper 5, open second motor 16, second motor 16 can drive dwang 15 and rotate at the inside circumference of feeder hopper 5, fixed connection's spiral blade 17 can cut great granular material on the dwang 15, and simultaneously, utilize helical passage between spiral blade 17 can be faster carry the casing 1 with the material in, sliding connection between the inner wall of reuse power component makes helical blade on the relative pivoted screw rod 4 in the mounting groove 3 and mounting groove 3, the flow extrusion speed of material in mounting groove 3 has further been guaranteed, twin screw extruder's extrusion effect has further been guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A precision twin-screw extruder comprising a housing (1), characterized in that: the electromagnetic heating device is characterized in that a feed hopper (5) is fixedly connected to the shell (1), one end of the shell (1) is fixedly connected with an equipment box (8), an electromagnetic heating ring (10) is fixedly connected to the inside of the shell (1), a connecting column (2) is fixedly connected to the shell (1), mounting grooves (3) are symmetrically formed in the shell (1), screws (4) are arranged in the two mounting grooves (3), gears are fixedly connected to one ends of the two screws (4) at the same position, the two gears are meshed with each other, one of the gears is meshed with a power component which is arranged in the equipment box (8) and used for providing power for the screws (4), and an anti-blocking component is connected to the feed hopper (5);

the anti-blocking component comprises a rotating rod (15) which is used for rotating circumferentially in the feeding hopper (5), a spiral blade (17) is fixedly connected onto the rotating rod (15), and a spiral channel for materials to pass through quickly is formed between the spiral blades (17).

2. A precision twin-screw extruder according to claim 1, characterised in that: the outer peripheral wall of the spiral blade (17) is in sliding connection with the inner wall of the straight cylinder part of the feed hopper (5).

3. A precision twin-screw extruder as claimed in claim 1, wherein: and the outer side wall of the helical blade fixedly connected with the screw rod (4) is in sliding connection with the inner wall of the mounting groove (3).

4. A precision twin-screw extruder according to claim 1, characterised in that: feeder hopper (5) inner wall top fixedly connected with mounting bracket (6), the lower surface middle part fixedly connected with install bin (7) of mounting bracket (6), fixedly connected with second motor (16) in install bin (7), the output shaft of second motor (16) is vertical downwards and link up the bottom of install bin (7) and the top fixed connection of dwang (15) through the shaft coupling.

5. A precision twin-screw extruder as claimed in claim 1, wherein: the electromagnetic heating rings (10) are arranged in the shell (1) in a plurality of groups, the distance between every two adjacent electromagnetic heating rings (10) is equal, and the heating temperature of the electromagnetic heating rings (10) from the equipment box (8) to the connecting column (2) is gradually increased.

6. A precision twin-screw extruder as claimed in claim 1, wherein: the power assembly comprises a first motor (9), the lateral wall of an output end level of the first motor (9) penetrating through the equipment box (8) rightwards is connected with a driving gear (11) through a coupler fixedly, the inner wall of the equipment box (8) is connected with a connecting rod through a rotating shaft in a rotating mode, a first transmission gear (12) is fixedly connected onto the connecting rod, the other end of the connecting rod is fixedly connected with a second transmission gear (13), the driving gear (11) is connected with the first transmission gear (12) in a meshed mode, the second transmission gear (13) is connected with a third transmission gear (14) in a meshed mode, and the third transmission gear (14) is meshed with a gear on one screw rod (4).