CN220146638U

CN220146638U - Extruder with double conical screws

Info

Publication number: CN220146638U
Application number: CN202321459725.8U
Authority: CN
Inventors: 李翔; 李宏鸣
Original assignee: Zhejiang Geely Decoration Materials Co ltd
Current assignee: Zhejiang Geely Decoration Materials Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-12-08
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses an extruder with double conical screws, which comprises a bottom plate, wherein a machine body is arranged at the top of the bottom plate, and a motor is arranged at the top of the right side of the bottom plate; further comprises: the output end of the motor is connected with a gearbox, the gearbox is arranged on the right side of the top of the bottom plate, an end shaft lever of the gearbox is connected into the inner wall of the machine body, and a conical screw body is connected with an internal symmetrical bearing of the machine body; the top of the right side of the machine body is connected with an eccentric circular plate, the top of the eccentric circular plate is provided with a guide groove, and a sealing plate is connected in the guide groove; the right side top of organism is installed the mount, and the bottom bearing of mount is connected with the bull stick. This biconical screw's extruder, when using, can carry out intermittent type nature to the material in the feed inlet and put in, and then reduce conical screw's operation load to the bull stick drives behind the clean board rotation, can clear up the feed inlet, avoids the material to remain to glue and glues on the inner wall.

Description

Extruder with double conical screws

Technical Field

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

Background

The biconical screw is widely applied to industries such as petroleum, chemical engineering, rubber, plastics, food, pharmacy, explosive, propellant and the like, has good mixing, plasticizing, conveying and devolatilizing capabilities, and is suitable for mixing, granulating, reactive processing and extrusion molding of various granules, powder and even lump materials such as plastics, rubber, food, explosive and the like;

the differential conical double-screw extruder disclosed in the publication No. CN102205620A is characterized in that materials to be processed are added from a feed inlet, the materials are changed into a molten state from granules or powder after being conveyed, compressed and melted, when the materials pass through an exhaust port, moisture and volatile gases in the materials are discharged out of a machine barrel through an exhaust device, a mixing section is arranged on a screw near a machine head, pins on the screw play a role in dividing the materials, an interface is increased, distribution mixing is realized through multiple diversion and merging and reorientation, and the materials are extruded through the machine head after mixing and exhaust;

however, the above solution has the following problems in the use process: the material is directly poured into in succession from the charge door, then rubs through the screw rod and carries for the work load of screw rod is great, and easily glues when the material is in the feed inlet and glues on the inner wall and have and remain, and then makes the feed inlet when long-term use, and the bore can diminish gradually, thereby influences the use.

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

Disclosure of Invention

The utility model aims to provide a double-cone screw extruder, which aims to solve the problems that the prior double-cone screw extruder in the market provided by the background technology is used for directly pouring materials continuously from a feed inlet, and then the materials are minced and conveyed through a screw, so that the working load of the screw is large, the materials are easy to adhere to the inner wall and remain when in the feed inlet, and the caliber of the feed inlet is gradually reduced when the feed inlet is used for a long time, so that the use is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an extruder with double conical screws comprises a bottom plate, wherein a machine body is arranged at the top of the bottom plate, and a motor is arranged at the top of the right side of the bottom plate;

further comprises:

the output end of the motor is connected with a gearbox, the gearbox is arranged on the right side of the top of the bottom plate, an end shaft lever of the gearbox is connected into the inner wall of the machine body, and a conical screw body is connected with an internal symmetrical bearing of the machine body;

the heating rings are uniformly laid in the inner wall of the machine body, the middle part of the top surface of the machine body is provided with an exhaust port, and the top of the right side of the machine body is provided with a feed inlet;

the top of the right side of the machine body is connected with an eccentric circular plate, the top of the eccentric circular plate is provided with a guide groove, a sealing plate is connected in the guide groove, and the end part of the sealing plate penetrates through and is connected to the bottom of the outer side of the feed inlet in a sliding manner;

the right side top of organism is installed the mount, and the bottom bearing of mount is connected with the bull stick to the bottom of bull stick is fixed with clean board, and clean board is arranged in the feed inlet moreover.

Preferably, the end shaft lever of the gearbox is connected with the driving roller, the driving roller is connected with the driven roller, the driving roller and the driven roller are both connected in the inner wall on the right side of the machine body in a bearing manner, and the driving roller and the driven roller are respectively connected with the conical screw body in the machine body, so that the driven roller can be driven to rotate after the driving roller rotates, and the conical screw body can rotate in the machine body.

Preferably, the middle part of the driving roller is connected with an eccentric circular plate through a bevel gear connecting piece, the eccentric circular plate penetrates through a bearing to be connected to the top of the machine body, a guide groove on the eccentric circular plate is of a circular structure, and a sealing plate is connected in the guide groove in a sliding mode, so that the driving roller drives the eccentric circular plate to rotate through the bevel gear connecting piece after rotating, and the eccentric circular plate drives the guide groove to rotate so as to drive the sealing plate to move.

Preferably, the sealing plate forms a horizontal reciprocating sliding structure through the guide groove and the feeding hole, the end part of the sealing plate is of a circular structure, and the area of the end part of the sealing plate is larger than that of the bottom of the inner side of the feeding hole, so that the sealing plate is driven to horizontally move under the cooperation of the guide groove and the feeding hole, and then intermittent feeding is carried out on the feeding hole.

Preferably, the middle part of driven voller is connected with the montant through the awl tooth connecting piece, and montant run-through bearing is connected in the top of montant to the top run-through bearing of montant is connected in the top inboard of mount, and the top of montant is connected with the top of bull stick through sprocket mechanism moreover, makes the driven voller rotate the back and drives the montant through the awl tooth connecting piece and rotate, drives the bull stick through sprocket mechanism after the montant rotates.

Preferably, the bull stick is concentric with the feed inlet and sets up, and the outside clean board in bull stick bottom sets up to the state that laminates mutually with the feed inlet inner wall for the bull stick rotates the back and will drive clean board synchronous rotation, will clean the inner wall of feed inlet after the clean board rotates.

Compared with the prior art, the extruder with the double conical screw has the beneficial effects that: when using, the inside biconical screw body of organism rotates the back, will carry out rotatory transport to the material, then extrudees from the tip, and eccentric plectane through drive the lamp plate to remove the back, will carry out intermittent type nature to the material in the feed inlet and put in, and then reduce conical screw's operation load to the bull stick rotates the back and can drive clean board synchronous rotation, and then clear up the feed inlet, avoids the material to remain to glue and glues on the inner wall, and concrete content is as follows:

1. the motor drives the driving roller to rotate through the gearbox after being started, the driving roller drives the driven roller to rotate after rotating, so that the double-cone screw body inside the machine body rotates, materials entering the machine body are conveyed in a rotating mode, extrusion and discharging are carried out, the driving roller drives the eccentric circular plate to rotate through the cone tooth connecting piece when rotating, the eccentric circular plate drives the sealing plate to horizontally slide through the guide groove after rotating, the sealing plate can be opened and closed in the feed inlet after sliding, intermittent throwing input is carried out on the materials, and therefore the running load of the double-cone screw body can be reduced, and the service life is prolonged;

2. through the driven voller rotation back that sets up, can drive the montant through the awl tooth connecting piece and rotate, the bull stick on the top will drive the mount through sprocket mechanism after the montant rotates, will drive the synchronous rotation of cleaning plate after the bull stick rotates, will clear up the feed inlet after the cleaning plate rotates, avoids the material to glue and glues and remain on the inner wall of feed inlet and influence the use in later stage.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-section structure of the present utility model;

FIG. 2 is a schematic top view of the machine body of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

FIG. 5 is a schematic top view of the connection of the eccentric circular plate, the guide groove and the sealing plate.

In the figure: 1. a bottom plate; 2. a body; 3. a motor; 4. a gearbox; 5. a drive roll; 6. driven roller; 7. a conical screw body; 8. a feed inlet; 9. an exhaust port; 10. a heating ring; 11. an eccentric circular plate; 12. a guide groove; 13. a sealing plate; 14. a vertical rod; 15. a fixing frame; 16. a rotating rod; 17. and cleaning the plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the extruder of a double conical screw, including the bottom plate 1 that sets up, and the top of the bottom plate 1 installs the organism 2, and the right side top of the bottom plate 1 installs the electrical machinery 3, the output end of the electrical machinery 3 is connected with the gear box 4, and the gear box 4 installs in the top right side of the bottom plate 1, and the end shaft lever of the gear box 4 is connected in the inner wall of the organism 2, and the inside symmetrical bearing of the organism 2 connects with the conical screw body 7, the end shaft lever of the gear box 4 is connected with drive roll 5, and drive roll 5 is connected with driven roll 6, and drive roll 5 and driven roll 6 are all bearing-connected in the inner wall of the right side of the organism 2, and drive roll 5 and driven roll 6 are connected with conical screw body 7 inside the organism 2 respectively, as shown in figures 1-2 and 4, in use, start the electrical machinery 3 on the bottom plate 1, the output end will be connected with the gear box 4, the shaft lever of the gear box 4 will drive the drive roll 5 in the organism 2 rotate, will drive the drive roll 5 rotate, will drive the driven roll 6 to mesh and rotate, thus will drive two driven rolls 7 inside the organism 2 to run;

a heating ring 10 is uniformly paved in the inner wall of the machine body 2, an exhaust port 9 is formed in the middle of the top surface of the machine body 2, a feed inlet 8 is formed in the top of the right side of the machine body 2, an eccentric circular plate 11 is connected to the top of the right side of the machine body 2, a guide groove 12 is formed in the top of the eccentric circular plate 11, a sealing plate 13 is connected in the guide groove 12, the end part of the sealing plate 13 penetrates through the outer bottom of the feed inlet 8 and is connected with the eccentric circular plate 11 in a sliding manner, the middle part of the driving roller 5 is connected with the eccentric circular plate 11 through a bevel connection piece, the eccentric circular plate 11 penetrates through a bearing and is connected to the top of the machine body 2, the guide groove 12 on the eccentric circular plate 11 is in a circular structure, the sealing plate 13 is in a sliding connection with the guide groove 12 and the feed inlet 8 to form a horizontal reciprocating sliding structure, the end part of the sealing plate 13 is in a circular structure, the area of the end part of the sealing plate 13 is larger than the area of the inner bottom of the feed inlet 8, as shown in fig. 1-5, the material is thrown into the feed inlet 8 at the top of the machine body 2, and the driving roller 5 drives the eccentric circular plate 11 to synchronously rotate through the bevel connection piece when rotating, the eccentric circular plate 11 drives the guide groove 12 to synchronously rotate after rotating, the guide groove 12 drives the sealing plate 13 to rotate along with the eccentric circular plate, the end part of the sealing plate 13 is slidably connected to the outer wall of the feed inlet 8, so that the sealing plate 13 only horizontally reciprocates, the feed inlet 8 is intermittently opened and closed after the sealing plate 13 moves, the material is intermittently thrown, the running load of the conical screw body 7 in the machine body 2 can be reduced, the service life is prolonged, the heating ring 10 in the inner wall of the machine body 2 heats and melts the material when the material is rotationally conveyed by the conical screw body 7, the air outlet 9 can discharge the air, avoiding excessive internal pressure, and extruding from an outlet at the end part of the machine body 2;

the mount 15 is installed at the right side top of organism 2, and the bottom bearing of mount 15 is connected with bull stick 16, and the bottom of bull stick 16 is fixed with clean board 17, clean board 17 is arranged in feed inlet 8 in addition, the middle part of driven voller 6 is connected with montant 14 through the awl tooth connecting piece, and montant 14 runs through the bearing and is connected in the top of montant 14, and the top of montant 14 runs through the bearing and is connected in the top inboard of mount 15, moreover, the top of montant 14 is connected with the top of bull stick 16 through sprocket mechanism, bull stick 16 is concentric with feed inlet 8, and the outside clean board 17 of bull stick 16 bottom sets up to the state that laminates mutually with feed inlet 8 inner wall, as shown in fig. 1-5, when driven voller 6 rotates, driven voller 6 can drive montant 14 through the awl tooth connecting piece, the bull stick 16 on the mount 15 rotates in step through sprocket mechanism after the montant 14 rotates, the clean board 17 that will drive the bottom rotates, clean board 17 that will drive on the feed inlet 8 inner wall glues, avoid the use of later stage.

Working principle: when the double-cone screw extruder is used, as shown in fig. 1-5, firstly, the motor 3 drives the driving roller 5 to rotate through the gearbox 4, the driving roller 5 drives the driven roller 6 to rotate after rotating, thereby driving the two cone screw bodies 7 to operate, materials are thrown into the extruder from the feeding port 8, when the driving roller 5 rotates, the eccentric circular plate 11 is driven to rotate through the cone tooth connecting piece, the eccentric circular plate 11 drives the sealing plate 13 to horizontally reciprocate through the guide groove 12, the materials in the feeding port 8 are intermittently thrown into the extruder after the sealing plate 13 moves, the operation load of the cone screw bodies 7 is further reduced, the service life is prolonged, when the materials are rotationally conveyed by the cone screw bodies 7, the heating ring 10 in the inner wall of the extruder body 2 heats and melts the materials, the exhaust port 9 discharges the gas, the internal pressure is prevented from being too large, then the materials are extruded from the outlet at the end part of the extruder body 2, the driven roller 6 rotates, the vertical rod 14 is driven through the toothed connecting piece to rotate, the vertical rod 14 is driven by the sprocket mechanism to synchronously rotate, the rotating rod 16, the cleaning plate 17 is driven to rotate, the cleaning plate 17 cleans the adhered residual materials on the inner wall of the feeding port 8, and the subsequent use of the tapered ends is prevented, and a series of use is completed.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The extruder with double conical screws comprises a bottom plate (1) which is arranged, a machine body (2) is arranged at the top of the bottom plate (1), and a motor (3) is arranged at the top of the right side of the bottom plate (1);

the method is characterized in that: further comprises:

the output end of the motor (3) is connected with a gearbox (4), the gearbox (4) is arranged on the right side of the top of the bottom plate (1), an end shaft lever of the gearbox (4) is connected into the inner wall of the machine body (2), and a conical screw body (7) is connected with an internal symmetrical bearing of the machine body (2);

heating rings (10) are uniformly laid in the inner wall of the machine body (2), an exhaust port (9) is formed in the middle of the top surface of the machine body (2), and a feed inlet (8) is formed in the top of the right side of the machine body (2);

the right top of the machine body (2) is connected with an eccentric circular plate (11), the top of the eccentric circular plate (11) is provided with a guide groove (12), a sealing plate (13) is connected in the guide groove (12), and the end part of the sealing plate (13) penetrates through and is connected to the outer bottom of the feed inlet (8) in a sliding manner;

the right side top of organism (2) is installed mount (15), and the bottom bearing of mount (15) is connected with bull stick (16), and the bottom of bull stick (16) is fixed with cleaning plate (17), and cleaning plate (17) are arranged in feed inlet (8).

2. The twin-screw extruder of claim 1, wherein: the end shaft lever of the gearbox (4) is connected with the driving roller (5), the driving roller (5) is connected with the driven roller (6), the driving roller (5) and the driven roller (6) are both connected in the inner wall of the right side of the machine body (2) in a bearing manner, and the driving roller (5) and the driven roller (6) are respectively connected with the conical screw body (7) inside the machine body (2).

3. The twin-screw extruder of claim 2, wherein: the middle part of the driving roll (5) is connected with an eccentric circular plate (11) through a bevel gear connecting piece, the eccentric circular plate (11) penetrates through a bearing to be connected to the top of the machine body (2), a guide groove (12) on the eccentric circular plate (11) is arranged into a circular structure, and a sealing plate (13) is connected in the guide groove (12) in a sliding mode.

4. The twin-screw extruder of claim 1, wherein: the sealing plate (13) forms a horizontal reciprocating sliding structure through the guide groove (12) and the feeding hole (8), the end part of the sealing plate (13) is of a round structure, and the area of the end part of the sealing plate (13) is larger than that of the inner bottom of the feeding hole (8).

5. The twin-screw extruder of claim 2, wherein: the middle part of driven voller (6) is connected with montant (14) through the awl tooth connecting piece, and montant (14) run through the top that the bearing is connected in montant (14) to the top of montant (14) runs through the bearing and is connected in the top inboard of mount (15), and the top of montant (14) is connected with the top of bull stick (16) through sprocket mechanism moreover.

6. The twin-screw extruder of claim 1, wherein: the rotary rod (16) and the feed inlet (8) are concentrically arranged, and a cleaning plate (17) outside the bottom of the rotary rod (16) is in a state of being attached to the inner wall of the feed inlet (8).