CN214324110U

CN214324110U - Screw extruder

Info

Publication number: CN214324110U
Application number: CN202120191355.9U
Authority: CN
Inventors: 王武郎; 李卫国
Original assignee: Huanggang Shuangjian Packaging Co ltd
Current assignee: Huanggang Shuangjian Packaging Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-10-01
Anticipated expiration: 2031-01-22

Abstract

The utility model relates to a screw extruder relates to the field of extruder, and screw extruder includes feed cylinder, screw rod, feeder hopper, support frame, the screw rod sets up inside the feed cylinder, the discharge gate has been seted up to the one end of feed cylinder, the feed inlet has been seted up on the feed cylinder, one side of screw rod is kept away from at the feed cylinder to the feeder hopper setting, feeder hopper and feed inlet intercommunication, the feeder hopper, its characterized in that are kept away from to the support frame: the feed cylinder includes first bucket, second bucket, the support frame is kept away from to first bucket, second bucket and support frame fixed connection, first bucket is articulated with second bucket one side, still includes sealing member, clean pole, the sealing member sets up the space that is used for sealed first bucket and second bucket between the feed cylinder inner wall, clean pole one end can be dismantled with first bucket and be connected, the clean pole other end is located the screw rod surface. This application is convenient for wash screw extruder's inside.

Description

Screw extruder

Technical Field

The present application relates to the field of extruders, and more particularly, to a 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 largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

At present, in the application document with the application number of 201621018734.3, a screw extruder is disclosed, which comprises a feeding device, an extruding cylinder, a frame, a speed reducer and a driving motor, a screw is arranged in the extruding cylinder, the speed reducer and the driving motor are arranged on the frame, the feeding device is arranged on the extruding cylinder, the driving motor is connected on the speed reducer, the screw is connected on the speed reducer, the feeding device comprises a shell, a screen and a collecting box, a feeding hole is arranged at the top of the shell, the bottom of the shell is provided with a discharge hole, the shell is internally welded with a screen mesh support frame, the screen mesh support frame comprises an upper support frame and a lower support frame, the upper support frame is higher than the lower support frame, the screen cloth is placed on upper bracket and lower carriage, collect the box and install in the casing and be located the screen cloth below, the discharge gate is located the right side below of screen cloth.

In view of the above-mentioned related art, the inventors considered that the inside of the screw extruder is difficult to clean, and there is a possibility that impurities are introduced when different materials are prepared using the screw extruder.

SUMMERY OF THE UTILITY MODEL

In order to facilitate cleaning of the interior of a screw extruder, the present application provides a screw extruder.

The screw extruder provided by the application adopts the following technical scheme:

the utility model provides a screw extruder, includes feed cylinder, screw rod, feeder hopper, support frame, the screw rod sets up inside the feed cylinder, the discharge gate has been seted up to the one end of feed cylinder, the feed inlet has been seted up on the feed cylinder, the feeder hopper sets up the one side of keeping away from the screw rod at the feed cylinder, feeder hopper and feed inlet intercommunication, the feeder hopper is kept away from to the support frame, the feed cylinder includes first bucket, second bucket, the support frame is kept away from to first bucket, second bucket and support frame fixed connection, first bucket is articulated with second bucket one side, still includes sealing member, locking piece, a plurality of clean pole, the sealing member sets up the space that is used for sealing first bucket and second bucket between the feed cylinder inner wall, clean pole one end can be dismantled with first bucket and be connected, the clean pole other end is located the screw rod surface, the locking piece is used for locking first bucket and second bucket.

By adopting the technical scheme, when the interior of the screw extruder needs to be cleaned, the upper half barrel is lifted, the cleaning rod is installed on the upper half barrel, the screw extruder is opened, the screw rod rotates, the cleaning rod and the screw rod rub in the rotating process of the screw rod, the surface of the screw rod is cleaned, the cleaning rod is taken down, the upper half barrel is closed, and the cleaning of the screw extruder is completed.

Optionally, the sealing member includes gasket, sealing washer, gasket one end and the inner wall fixed connection of first bucket, the gasket other end is towards first bucket, the sealing washer one side is connected with the gasket, the sealing washer another side and first bucket inner wall butt.

Through adopting above-mentioned technical scheme, when the feed cylinder was closed, the gasket sheltered from the gap between first half bucket and the second half bucket with the sealing washer, reduced the possibility that the material oozed from between first half bucket and the second half bucket.

Optionally, the sealing washer can be dismantled with the gasket and be connected, the joint groove has been seted up on the sealing washer, be provided with the joint piece on the sealing washer, joint piece and joint groove joint.

Through adopting above-mentioned technical scheme, the ageing back of sealing washer takes out the joint piece from the joint groove, is convenient for part sealing washer and gasket, installs new sealing washer on the gasket, reduces because the ageing not good possibility of sealed effect that leads to of sealing washer.

Optionally, the upper half barrel is in threaded connection with the cleaning rod, a connecting groove is formed in the inner wall of the upper half barrel, and the cleaning rod can be inserted into the connecting groove.

Through adopting above-mentioned technical scheme, be convenient for installation and dismantlement clean pole, when needs are clean, insert the clean pole in first half bucket, when needs normal use, lift off clean pole.

Optionally, still include the shutoff piece, the shutoff piece articulates and is used for the shutoff spread groove at last half bucket inner wall.

Through adopting above-mentioned technical scheme, shutoff piece shutoff spread groove when normally using screw extruder reduces the possibility that the material blockked up the spread groove.

Optionally, a handle is arranged on one side, facing the screw, of the plugging sheet.

Through adopting above-mentioned technical scheme, be convenient for rotate the shutoff piece through the handle, reduce the shutoff piece surface and have the possibility that remaining material is difficult to rotate.

Optionally, the cleaning rod is provided with a scraping strip towards one end of the screw rod, one side of the scraping strip is connected with the cleaning rod, and the other side of the scraping strip is abutted to the screw rod.

Through adopting above-mentioned technical scheme, strengthen the clean ability to the screw rod, be convenient for clean remaining material on the screw rod.

Optionally, the wiper strip is detachably connected to the cleaning rod.

Through adopting above-mentioned technical scheme, scrape the strip damage or be convenient for after ageing dismantle the more new scraping strip of changing from cleaning rod with scraping the strip.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the screw extruder cleaning device, the upper half barrel and the lower half barrel, the sealing piece, the locking piece and the cleaning rods are arranged, when the interior of the screw extruder needs to be cleaned, the upper half barrel is lifted, the cleaning rods are mounted on the upper half barrel, the screw extruder is started, the screw rotates, the cleaning rods rub against the screw in the rotating process of the screw, the surface of the screw is cleaned, the cleaning rods are taken down, the upper half barrel is closed, and the screw extruder is cleaned;

2. according to the charging barrel, the sealing sheet and the sealing ring are arranged, when the charging barrel is closed, the sealing sheet and the sealing ring shield a gap between the upper half barrel and the lower half barrel, and the possibility that materials seep out from the gap between the upper half barrel and the lower half barrel is reduced;

3. this application is through setting up spread groove, shutoff piece, and the shutoff spread groove is shutoff when the normal use screw extruder to the shutoff piece, reduces the possibility that the material blockked up the spread groove.

Drawings

FIG. 1 is a schematic view of a screw extruder according to an embodiment of the present invention.

Fig. 2 is a perspective sectional view of a screw extruder according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

FIG. 4 is a schematic view of a screw extruder with a hidden barrel in one side according to an embodiment of the present application.

Reference numerals: 1. a charging barrel; 101. the upper half barrel; 102. a lower half barrel; 2. a screw; 3. a feed hopper; 4. a support frame; 5. a discharge port; 6. a feed inlet; 7. a seal member; 701. sealing the sheet; 702. a seal ring; 9. a locking member; 10. a cleaning rod; 11. connecting grooves; 12. a plugging sheet; 13. a handle; 14. and (6) scraping the strips.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a screw extruder. Referring to fig. 1, a screw extruder comprises a material cylinder 1, a screw 2, a feed hopper 3 and a support frame 4, wherein the screw 2 is arranged inside the material cylinder 1, one end of the material cylinder 1 is provided with a discharge port 5, the material cylinder 1 is provided with a feed port 6, the feed hopper 3 is arranged on one side of the material cylinder 1 far away from the screw 2, the feed hopper 3 is communicated and welded with the feed port 6, the support frame 4 is far away from the feed hopper 3, the material cylinder 1 comprises an upper half barrel 101 and a lower half barrel 102, the upper half barrel 101 is far away from the support frame 4, the lower half barrel 102 is welded with the support frame 4, one sides of the upper half barrel 101 and the lower half barrel 102 are hinged through a hinge shaft, the screw extruder further comprises sealing elements 7, a locking element 9 and a plurality of cleaning rods 10, eight cleaning rods 10 can be arranged, ten cleaning rods can also be arranged, twelve cleaning rods 10 can be arranged, the sealing element 7 is arranged on the inner wall of the material cylinder 1 for sealing a gap between the upper half barrel 101 and the lower half barrel 102, one end of the cleaning rod 10 is detachably connected with the upper half barrel 101 through threads, the other end of the cleaning rod 10 is positioned on the surface of the screw rod 2, and the locking piece 9 is used for locking the upper half barrel 101 and the lower half barrel 102. When the interior of the screw 2 extruder needs to be cleaned, the upper half barrel 101 is lifted, the cleaning rod 10 is installed on the upper half barrel 101, the screw extruder is started, the screw 2 rotates, in the rotating process of the screw 2, the cleaning rod 10 rubs with the screw 2, the surface of the screw 2 is cleaned, the cleaning rod 10 is taken down, the upper half barrel 101 is closed, and the cleaning of the screw 2 extruder is completed.

Sealing member 7 includes sealing washer 701, sealing washer 702, and sealing washer 701 one end bonds with the inner wall of first bucket 101, and sealing washer 701 other end is towards first bucket 102 down, and sealing washer 702 one side passes through joint groove and joint piece joint with sealing washer 701, and sealing washer 702 another side and first bucket 102 inner wall butt down. When the charging barrel 1 is closed, the sealing sheet 701 and the sealing ring 702 shield a gap between the upper half barrel 101 and the lower half barrel 102, and the possibility that materials seep out from the space between the upper half barrel 101 and the lower half barrel 102 is reduced. The back that sealing washer 702 is ageing, takes out the joint piece from the joint groove, is convenient for part sealing washer 702 and gasket 701, installs new sealing washer 702 on gasket 701, reduces because the ageing not good possibility of sealed effect that leads to of sealing washer 702.

The upper half barrel 101 is in threaded connection with the cleaning rod 10, the inner wall of the upper half barrel 101 is provided with a connecting groove 11, and the cleaning rod 10 can be inserted into the connecting groove 11. The cleaning rod 10 is easy to mount and dismount, the cleaning rod 10 is inserted into the upper half barrel 101 when cleaning is needed, and the cleaning rod 10 is dismounted when normal use is needed.

The barrel structure further comprises a plugging sheet 12, wherein the plugging sheet 12 is hinged to the inner wall of the upper half barrel 101 through a hinge shaft and used for plugging the connecting groove 11. The plugging sheet 12 plugs the connecting groove 11 when the screw 2 extruder is normally used, so that the possibility that the connecting groove 11 is blocked by materials is reduced.

A handle 13 is welded on one surface of the plugging sheet 12 facing the screw rod 2. The plugging sheet 12 can be conveniently rotated through the handle 13, and the possibility that residual materials on the surface of the plugging sheet 12 are difficult to rotate is reduced.

One end of the cleaning rod 10 facing the screw rod 2 is provided with a scraping strip 14, one surface of the scraping strip 14 is welded with the cleaning rod 10, and the other surface of the scraping strip 14 is abutted against the screw rod 2. The cleaning capability of the screw rod 2 is enhanced, and the residual materials on the screw rod 2 are convenient to clean.

The wiper strip 14 is detachably connected to the cleaning rod 10 by a screw thread. The wiper strip 14 is damaged or aged to facilitate removal of the wiper strip 14 from the cleaning rod 10 for replacement with a new wiper strip 14.

The implementation principle of the screw extruder in the embodiment of the application is as follows: when the interior of the screw 2 extruder needs to be cleaned, the upper half barrel 101 is lifted, the handle 13 is held to rotate the plugging piece 12, the cleaning rod 10 is installed on the upper half barrel 101, the upper half barrel 101 is closed, the upper half barrel 101 and the lower half barrel 102 are locked, the screw 2 is opened and rotates, in the rotating process of the screw 2, the cleaning rod 10 rubs against the screw 2, the surface of the screw 2 is scraped by the scraping strip 14, the surface of the screw 2 is cleaned, the cleaning rod 10 is taken down, the upper half barrel 101 is closed, the upper half barrel 101 and the lower half barrel 102 are locked, the sealing sheet 701 and the sealing ring 702 shield the gap between the upper half barrel 101 and the lower half barrel 102, the possibility that materials seep out from the gap between the upper half barrel 101 and the lower half barrel 102 is reduced, and the cleaning of the screw 2 extruder is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a screw extruder, includes feed cylinder (1), screw rod (2), feeder hopper (3), support frame (4), screw rod (2) set up inside feed cylinder (1), discharge gate (5) have been seted up to the one end of feed cylinder (1), feed inlet (6) have been seted up on feed cylinder (1), one side of screw rod (2) is kept away from in feed cylinder (1) is set up in feeder hopper (3), feeder hopper (3) and feed inlet (6) intercommunication, feeder hopper (3), its characterized in that are kept away from in support frame (4): the feed cylinder (1) includes first barrel (101), second barrel (102), support frame (4) are kept away from to first barrel (101), second barrel (102) and support frame (4) fixed connection, first barrel (101) and second barrel (102) one side are articulated, still include sealing member (7), locking piece (9), a plurality of clean pole (10), sealing member (7) set up and are used for sealing the space between first barrel (101) and second barrel (102) at feed cylinder (1) inner wall, clean pole (10) one end can be dismantled with first barrel (101) and be connected, clean pole (10) other end is located screw rod (2) surface, locking piece (9) are used for locking first barrel (101) and second barrel (102).

2. A screw extruder according to claim 1, wherein: sealing member (7) are including sealing washer (701), sealing washer (702), the inner wall fixed connection of sealing washer (701) one end and first bucket (101), sealing washer (701) other end is half bucket (102) down towards, sealing washer (702) one side is connected with sealing washer (701), sealing washer (702) another side and half bucket (102) inner wall butt down.

3. A screw extruder according to claim 2, wherein: sealing washer (702) can be dismantled with gasket (701) and be connected, the joint groove has been seted up on sealing washer (702), be provided with the joint piece on gasket (701), joint piece and joint groove joint.

4. A screw extruder according to claim 1, wherein: first half bucket (101) and clean pole (10) threaded connection, last half bucket (101) inner wall has seted up spread groove (11), clean pole (10) can insert in spread groove (11).

5. A screw extruder according to claim 4, wherein: still include shutoff piece (12), shutoff piece (12) articulate and are used for shutoff connecting groove (11) at last half bucket (101) inner wall.

6. A screw extruder according to claim 5, wherein: and a handle (13) is arranged on one surface of the plugging sheet (12) facing the screw rod (2).

7. A screw extruder according to claim 1, wherein: the cleaning rod (10) is provided with scraping strip (14) towards the one end of screw rod (2), scraping strip (14) one side is connected with cleaning rod (10), scraping strip (14) another side and screw rod (2) butt.

8. A screw extruder according to claim 7, wherein: the scraping strip (14) is detachably connected with the cleaning rod (10).