CN209920494U

CN209920494U - Double-screw extruder

Info

Publication number: CN209920494U
Application number: CN201920524871.1U
Authority: CN
Inventors: 杨春林; 严伟; 张春梅; 聂胜强; 曾加
Original assignee: Guiyang University
Current assignee: Guiyang University
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-10
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses a double-screw extruder, which comprises an extruder, wherein the extruder comprises a first shell frame, a feeding main body, a discharging body, a first rotating shaft and a hopper, the lower end of the feeding main body is fixedly connected with the rear end of the discharging body, the inner spaces of the feeding main body and the discharging body are communicated, the lower end of the discharging body is fixedly connected with the upper end of the first shell frame, the feeding body comprises a feeding pipe and an overhauling body, the lower end of the overhaul main body is movably arranged at the upper end of the feeding pipe, the overhaul main body comprises an overhaul cover, a lantern ring and a shell plate, the lantern ring is fixedly connected with the outer wall of the access cover, the access cover is rotatably arranged at the lower end of the shell plate, the lower end of the feeding pipe is hermetically and rotatably connected with the upper end of the rear part of the discharging body, and the discharging body is communicated with the inner space of the feeding pipe, and the rear end of the shell plate is horizontally and rotatably arranged at the upper end of the feeding pipe. The utility model discloses made things convenient for the maintenance work of overhauing the main part, better satisfying uses needs.

Description

Double-screw extruder

Technical Field

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

Background

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 extruder can fully plasticize and uniformly mix materials by depending on the pressure and the shearing force generated by the rotation of the screw rod, and the plastic extruder can be basically classified into a double-screw extruder, a single-screw extruder, an infrequent multi-screw extruder and a non-screw extruder through the shaping of a neck mold;

the pan feeding part of extruder is equipped with the equipment of smashing by stirring usually, or pulverize the equipment, prop garrulous back with the raw materials and pour into the organism into and carry out extrusion work, it is fixed that its pan feeding device is twisted soon through a plurality of screws usually, and the pan feeding device is stirring garrulous in-process, be difficult to stir garrulous when bold raw materials or hard impurity, block up the pan feeding mouth easily, need dismantle a plurality of screws during the maintenance, will all install again after the maintenance work is accomplished, lead to maintenance work to consume artificial problem, and only can tear local shell open, cause the narrow problem in field of vision among the maintenance process, so need a device that can solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double screw extruder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-screw extruder comprises an extruder, wherein the extruder comprises a first shell frame, a feeding main body, a discharging body, a first rotating shaft and a hopper, the lower end of the feeding main body is fixedly connected to the rear end of the discharging body, the feeding main body is communicated with the inner space of the discharging body, and the lower end of the discharging body is fixedly connected to the upper end of the first shell frame; the feeding main body comprises a feeding pipe and an overhauling main body, and the lower end of the overhauling main body is movably arranged at the upper end of the feeding pipe; the maintenance main body comprises an access cover, a lantern ring and a shell plate, the lantern ring is fixedly connected to the outer wall of the access cover, and the access cover is rotatably installed at the lower end of the shell plate; the lower end of the feeding pipe is connected to the upper end of the rear part of the discharging body in a sealing and rotating mode, the discharging body is communicated with the inner space of the feeding pipe, the rear end of the shell plate is horizontally and rotatably installed at the upper end of the feeding pipe, and the bottom end of the access cover is supported at the upper end of the feeding pipe in a sealing and sliding mode.

Preferably, the extruder still includes pulper, second housing and support, the front end of pulper passes the inner wall of housing plate movable mounting at the maintenance main part, the pulper passes through the upper end of second housing fixed connection at first housing, the ejection of compact body passes through the front portion upper end of second housing fixed connection at first housing.

Preferably, the pan feeding main part still includes the hopper, the lower extreme rear portion of overhauing the main part rotates through first pivot and connects in the rear portion upper end of pan feeding pipe, the fixed sealing connection of lower extreme of hopper is in the upper end of overhauing the main part, the hopper link up with the inner space of overhauing the main part and link up.

Preferably, the maintenance main body further comprises a second rotating shaft, the maintenance cover is rotatably installed at the lower end of the shell plate through the second rotating shaft, and the upper end of the first rotating shaft is rotatably installed at the lower end of the rotating shaft sleeve.

Preferably, the access cover and the outer wall of the shell plate are fixedly connected with sealing strips.

Preferably, the lantern ring is fixed with the upper end of the front part of the feeding pipe through an external screw.

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

when the pan feeding main part blocks up and needs to be overhauled, dismantle the plus screw with the help of plus spanner, make access cover and shell plate lower extreme and pan feeding pipe resume to rotate, rotate around first pivot center pin through the pan feeding pipe, the manual pan feeding pipe that pushes away, make access cover lower extreme not shelter from, the manual access cover that pulls open downwards, make access cover rotate downwards around second pivot center pin and open, make the shell plate inboard and the front end of pulper show in front of the eye completely, made things convenient for the staff to overhaul, through rotating the access main part, the mode of opening the access cover again, make the easy jam space in inside of access main part show in the sight completely, made things convenient for the staff to overhaul work.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the structure of the feeding main body of the present invention;

fig. 3 is the utility model discloses an overhaul main part open mode structure schematic diagram.

In the figure: 1. an extruder; 2. a first housing; 3. a pulper; 4. a second housing; 5. feeding a main body; 6. a support; 7. discharging a material body; 8. a feeding pipe; 9. a first rotating shaft; 10. a hopper; 11. overhauling the main body; 12. an access cover; 13. a collar; 14. a second rotating shaft; 15. a rotating shaft sleeve; 16. a shell plate.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a double-screw extruder comprises an extruder 1, wherein the extruder 1 comprises a first shell frame 2, a feeding main body 5, a discharging body 7, a first rotating shaft 9 and a hopper 10, the lower end of the feeding main body 5 is fixedly connected to the rear end of the discharging body 7, the inner spaces of the feeding main body 5 and the discharging body 7 are communicated, and the lower end of the discharging body 7 is fixedly connected to the upper end of the first shell frame 2; the feeding main body 5 comprises a feeding pipe 8 and an overhauling main body 11, and the lower end of the overhauling main body 11 is movably arranged at the upper end of the feeding pipe 8; the maintenance main body 11 comprises an access cover 12, a lantern ring 13 and a shell plate 16, the lantern ring 13 is fixedly connected to the outer wall of the access cover 12, and the access cover 12 is rotatably installed at the lower end of the shell plate 16; the lower end of the feeding pipe 8 is connected to the upper end of the rear portion of the discharging body 7 in a sealing and rotating mode, the discharging body 7 is communicated with the inner space of the feeding pipe 8, the rear end of the shell plate 16 is horizontally installed at the upper end of the feeding pipe 8 in a rotating mode, the bottom end of the access cover 12 is supported at the upper end of the feeding pipe 8 in a sealing and sliding mode, when the feeding main body 5 is blocked and needs to be overhauled, an external screw is detached through an external wrench, the lower ends of the access cover 12 and the shell plate 16 and the feeding pipe 8 are made to rotate back, the feeding pipe 8 rotates around the central shaft of the first rotating shaft 9, the feeding pipe 8 is pushed open manually, the lower end of the access cover 12 is free of shielding, the access cover 12 is pulled downwards manually, the access cover 12 rotates downwards around the central shaft of the second rotating shaft 14 to be opened, the inner side of the shell plate 16 and the.

The extruder 1 further comprises a pulper 3, a second shell frame 4 and a support 6, the front end of the pulper 3 penetrates through a shell plate 16 and is movably mounted on the inner wall of the overhaul main body 11, the pulper 3 is fixedly connected to the upper end of the first shell frame 2 through the second shell frame 4, the discharging body 7 is fixedly connected to the upper end of the front part of the first shell frame 2 through the second shell frame 4, the overhaul main body 11 is rotated, and then the overhaul cover 12 is opened, so that the internal easy-to-block space of the overhaul main body 11 is completely displayed in a visual line, the overhaul work of workers is facilitated, the feeding main body 5 further comprises a hopper 10, the rear part of the lower end of the overhaul main body 11 is rotatably connected to the upper end of the rear part of the feeding pipe 8 through a first rotating shaft 9, the lower end of the hopper 10 is fixedly and hermetically connected to the upper end of the overhaul main body 11, the hopper 10 is communicated with the internal space of the overhaul main, the access cover 12 is rotatably installed at the lower end of the shell plate 16 through the second rotating shaft 14, the upper end of the first rotating shaft 9 is rotatably installed at the lower end of the rotating shaft sleeve 15, the access cover 12 and the outer wall of the shell plate 16 are fixedly connected with sealing strips, and the lantern ring 13 is fixed with the upper end of the front part of the feeding pipe 8 through an additional screw.

The working principle is as follows: when 5 blocks up the needs maintenance of pan feeding main part, dismantle the plus screw with the help of plus spanner, make access cover 12 and shell plate 16 lower extreme and pan feeding pipe 8 resume rotating, rotate around first pivot 9 center pin through pan feeding pipe 8, the manual pan feeding pipe 8 that pushes away, make access cover 12 lower extreme not shelter from, manual downwards pull open access cover 12, make access cover 12 rotate downwards around second pivot 14 center pins and open, make the shell plate 16 inboard and the front end of pulper 3 show in front of the eye completely, made things convenient for the staff to overhaul.

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 twin-screw extruder comprising an extruder (1), characterized in that: the extruder (1) comprises a first shell frame (2), a feeding body (5), a discharging body (7), a first rotating shaft (9) and a hopper (10), wherein the lower end of the feeding body (5) is fixedly connected to the rear end of the discharging body (7), the inner spaces of the feeding body (5) and the discharging body (7) are communicated, and the lower end of the discharging body (7) is fixedly connected to the upper end of the first shell frame (2); the feeding main body (5) comprises a feeding pipe (8) and an overhauling main body (11), and the lower end of the overhauling main body (11) is movably arranged at the upper end of the feeding pipe (8); the maintenance main body (11) comprises an access cover (12), a lantern ring (13) and a shell plate (16), the lantern ring (13) is fixedly connected to the outer wall of the access cover (12), and the access cover (12) is rotatably installed at the lower end of the shell plate (16); the lower end of the feeding pipe (8) is connected to the upper end of the rear part of the discharging body (7) in a sealing and rotating mode, the discharging body (7) is communicated with the inner space of the feeding pipe (8), the rear end of the shell plate (16) is horizontally and rotatably installed at the upper end of the feeding pipe (8), and the bottom end of the access cover (12) is supported at the upper end of the feeding pipe (8) in a sealing and sliding mode.

2. A twin screw extruder as defined in claim 1 wherein: extruder (1) still includes pulper (3), second shell frame (4) and support (6), the inner wall at maintenance main part (11) is passed shell plate (16) movable mounting to the front end of pulper (3), pulper (3) are through second shell frame (4) fixed connection in the upper end of first shell frame (2), go out material (7) and pass through second shell frame (4) fixed connection in the front portion upper end of first shell frame (2).

3. A twin screw extruder as defined in claim 1 wherein: pan feeding main part (5) still include hopper (10), the lower extreme rear portion of examining and repairing main part (11) rotates through first pivot (9) and connects in the rear portion upper end of pan feeding pipe (8), the fixed sealing connection of lower extreme of hopper (10) is in the upper end of examining and repairing main part (11), hopper (10) link up with the inner space of examining and repairing main part (11) and link up.

4. A twin screw extruder as defined in claim 1 wherein: the overhaul main body (11) further comprises a second rotating shaft (14), the overhaul cover (12) is rotatably installed at the lower end of the shell plate (16) through the second rotating shaft (14), and the upper end of the first rotating shaft (9) is rotatably installed at the lower end of the rotating shaft sleeve (15).

5. A twin screw extruder as defined in claim 1 wherein: and sealing strips are fixedly connected to the outer walls of the access cover (12) and the shell plate (16).

6. A twin screw extruder as defined in claim 1 wherein: the lantern ring (13) is fixed with the upper end of the front part of the feeding pipe (8) through an additional screw.