CN219338497U

CN219338497U - Double-screw extruder

Info

Publication number: CN219338497U
Application number: CN202223583694.5U
Authority: CN
Inventors: 华晓枫
Original assignee: WUXI XIANGLONG POLYMER FABRIC CO Ltd
Current assignee: WUXI XIANGLONG POLYMER FABRIC CO Ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-07-14
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a double-screw extruder which comprises a workbench, wherein a screw extruder is fixedly arranged at the top end of the workbench, a feed inlet is formed at the top end of the screw extruder, through grooves are formed in the inner wall of a telescopic block, sliding grooves are formed in the upper side and the lower side of the through grooves in the inner wall of the telescopic block, sliding blocks are movably arranged in the sliding grooves in the upper side and the lower side of the telescopic block, one end of each sliding block is connected with a movable block, telescopic rods are fixedly arranged at the bottom ends of the telescopic blocks, screw holes are formed in one ends of four connecting rods, and a driving motor is used for enabling the rotating rods to rotate, so that the movable blocks are driven to move left and right in the through grooves in the inner wall of the telescopic block, the sliding blocks move up and down in the sliding grooves in the inner wall of a supporting frame, and then the telescopic rods move up and down synchronously along with the sliding blocks, so that particles are not easy to cause blockage in the process of accumulation.

Description

Double-screw extruder

Technical Field

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

Background

The double-screw extruder is developed on the basis of a single-screw extruder, and has been widely applied to the molding processing of extruded products due to the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like. However, when the particles in the prior art enter the machine through the hopper, most of the particles are accumulated in the hopper due to the double screws in the rotating process, and when most of the particles are continuously fed, the particles are easy to block, uneven feeding is easy to cause, and the quality and the yield of the particles are easy to influence.

Disclosure of Invention

Object of the utility model

In view of the above, the present utility model aims to provide a twin-screw extruder, which solves the problems set forth in the background above.

(II) technical scheme

The utility model provides a double screw extruder, includes the workstation, the top fixed mounting of workstation has screw extruder, and screw extruder's top is provided with the feed inlet, four connecting rods are installed to the inner wall of feed inlet, and fixed mounting has the backup pad between four connecting rods, the top surface fixed mounting of backup pad has the support frame, and has seted up the spout in the inner wall of support frame, movable mounting has the sliding block in the spout, and the outside fixed mounting of sliding block has the expansion block, logical groove has been seted up to the inner wall of expansion block, and has all seted up the spout in the upper and lower both sides of the inner wall logical groove of expansion block, movable mounting has the slider in the upper and lower both sides spout of expansion block, the one end of slider is connected with the movable block, the bottom fixed mounting of expansion block has the telescopic link, four the screw has all been seted up to the one end of connecting rod.

Preferably, the outer surface of telescopic link fixed mounting has many round bars, and the one end fixed mounting of many round bars has the spacing ring, and many the surface of telescopic link is all installed a plurality of bearings.

Preferably, the surface fixed mounting of support frame has the horizontal pole, and the one end of horizontal pole is connected with first mounting, and circular logical groove has been seted up to the inner wall of first mounting, movable mounting has the rotary rod in the circular logical groove of first mounting.

Preferably, one end of the rotating rod is connected with a motor, the outer surface of the motor is provided with a second fixing piece, the other end of the rotating rod is connected with a connecting plate, the other side of the connecting plate is connected with a connecting piece, one end of the connecting piece is connected with a disc, and one side of the disc is fixedly arranged on the outer surface of the movable block.

Preferably, four limiting holes are formed in the outer surface of the feeding hole, and bolts are movably installed in the four limiting holes.

Preferably, a handle is fixedly arranged on the outer surface of the bolt.

From the above technical scheme, the application has the following beneficial effects:

when particles pass through the inside of the screw extruder of the feed inlet, the rotary rod is rotated by the driving motor, so that the movable block is driven to move left and right in the through groove of the inner wall of the telescopic block, the sliding block moves up and down in the inner wall sliding groove of the supporting frame, and the telescopic rod moves up and down synchronously along with the sliding block, so that the particles are not easy to cause blockage in the process of accumulation, and the particles are easy to roll mutually in the process of contact with the bearings through the bearings on the outer surfaces of the plurality of round rods, so that the rolling speed among the particles is accelerated, and the particles are more uniform in the process of feeding.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of a portion of the component structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is an enlarged schematic view of the utility model at A in FIG. 1;

FIG. 4 is an enlarged schematic view of the utility model at B in FIG. 2;

fig. 5 is an enlarged schematic view of fig. 2 at C in accordance with the present utility model.

In the figure: 1. a work table; 2. a screw extruder; 3. a feed inlet; 4. a connecting rod; 5. a support plate; 6. a support frame; 7. a telescopic block; 8. a sliding block; 9. a movable block; 911. a disc; 912. a cross bar; 913. a first fixing member; 914. a second fixing member; 915. a motor; 916. a rotating rod; 917. a connecting plate; 918. a connecting piece; 919. a telescopic rod; 920. a round bar; 921. a bearing; 922. a limiting ring; 311. a plug pin; 312. a handle.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present disclosure.

Referring to fig. 1-5, an embodiment of the present utility model is provided:

the utility model provides a twin-screw extruder, including workstation 1, the top fixed mounting of workstation 1 has screw extruder 2, and the top of screw extruder 2 is provided with feed inlet 3, four connecting rods 4 are installed to the inner wall of feed inlet 3, and fixed mounting has backup pad 5 between four connecting rods 4, the top surface fixed mounting of backup pad 5 has support frame 6, and the spout has been seted up in the inner wall of support frame 6, movable mounting has sliding block 8 in the spout, and the outside fixed mounting of sliding block 8 has telescopic block 7, logical groove has been seted up to the inner wall of telescopic block 7, and the spout has all been seted up at the upper and lower both sides of the inner wall logical groove of telescopic block 7, movable mounting has the slider in the spout of telescopic block 7 upper and lower both sides, one end of slider is connected with movable block 9, the bottom fixed mounting of telescopic block 7 has telescopic link 919, the screw has all been seted up to the one end of four connecting rods 4.

Further, the outer surface fixed mounting of telescopic link 919 has many round bars 920, and the one end fixed mounting of many round bars 920 has spacing ring 922, a plurality of bearings 921 are all installed to the surface of many telescopic links 919, the surface of a plurality of bearings 921 can rotate, thereby when making granule and bearing 921 surface contact, can roll each other between granule and the bearing 921, thereby the motion between drive granule and the granule is accelerated, the in-process that makes granule drop down is difficult for causing the jam, and make the inside that the granule can at uniform velocity get into screw extruder 2.

Further, the outer surface of the support frame 6 is fixedly provided with a cross rod 912, one end of the cross rod 912 is connected with a first fixing piece 913, the inner wall of the first fixing piece 913 is provided with a circular through groove, a rotary rod 916 is movably arranged in the circular through groove of the first fixing piece 913, and the cross rod 912 plays a role in fixed connection.

Further, one end of the rotating rod 916 is connected with the motor 915, the second fixing piece 914 is arranged on the outer surface of the motor 915, the other end of the rotating rod 916 is connected with the connecting plate 917, the other side of the connecting plate 917 is connected with the connecting piece 918, one end of the connecting piece 918 is connected with the disc 911, one side of the disc 911 is fixedly arranged on the outer surface of the movable block 9, the motor 915 is driven, the rotating rod 916 is rotated, the connecting plate 917 is driven to rotate, the movable block 9 is driven to move left and right by the rotation of the connecting plate 917, and the telescopic block 7 can move up and down.

Further, four limiting holes are formed in the outer surface of the feeding hole 3, the bolts 311 are movably mounted in the four limiting holes, and the bolts 311 can be inserted into screw holes at one ends of the four connecting rods 4 through the rotary handle 312, so that the connecting rods 4 are convenient to install and detach.

Further, the handle 312 is fixedly installed on the outer surface of the latch 311, so that the stress surface of the handle 312 is large, and the operation of people is facilitated.

Working principle: firstly, particles are injected into the feed inlet 3, due to continuous injection of the feed inlet 3, the particles are slowly accumulated in the feed inlet 3 in the working process of the double screw, at the moment, the rotary rod 916 rotates through the driving motor 915, the rotary rod 916 rotates to drive the connecting plate 917 to synchronously move, so that the disc 911 is driven to move left and right in the sliding grooves on the upper side and the lower side of the telescopic block 7, the telescopic block 7 can move up and down, the sliding block 8 is driven to synchronously move in the sliding grooves on the inner wall of the supporting frame 6, the telescopic rod 919 can also move up and down, particles in the inner wall of the feed inlet 3 can be dredged, the particles can move downwards in an accelerating mode when rotating with the outer surface of the bearing 921, and the outer surface of the feed inlet 3 can be separated out through the rotary handle 312 by the bolt 311, so that the connecting rod 4 is convenient to detach and install, and the operation is finished.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a twin-screw extruder, includes workstation (1), the top fixed mounting of workstation (1) has screw extruder (2), and the top of screw extruder (2) is provided with feed inlet (3), its characterized in that: four connecting rods (4) are installed to the inner wall of feed inlet (3), and fixed mounting has backup pad (5) between four connecting rods (4), top surface fixed mounting of backup pad (5) has support frame (6), and has seted up the spout in the inner wall of support frame (6), movable mounting has sliding block (8) in the spout, and the outside fixed mounting of sliding block (8) has telescopic block (7), logical groove has been seted up to the inner wall of telescopic block (7), and has all seted up the spout in the upper and lower both sides of the inner wall logical groove of telescopic block (7), movable mounting has the slider in the spout of both sides about telescopic block (7), the one end of slider is connected with movable block (9), the bottom fixed mounting of telescopic block (7) has telescopic link (919), four the screw has all been seted up to the one end of connecting rod (4).

2. A twin screw extruder as defined in claim 1, wherein: the outer surface of telescopic link (919) fixed mounting has many round bars (920), and the one end fixed mounting of many round bars (920) has spacing ring (922), and a plurality of bearings (921) are all installed to the surface of many telescopic link (919).

3. A twin screw extruder as defined in claim 1, wherein: the outer surface fixed mounting of support frame (6) has horizontal pole (912), and the one end of horizontal pole (912) is connected with first mounting (913), and circular logical groove has been seted up to the inner wall of first mounting (913), movable mounting has rotary rod (916) in the circular logical groove of first mounting (913).

4. A twin screw extruder as defined in claim 3, wherein: one end of rotary rod (916) is connected with motor (915), and the surface of motor (915) is provided with second mounting (914), the other end of rotary rod (916) is connected with connecting plate (917), and the opposite side of connecting plate (917) is connected with connecting piece (918), the one end of connecting piece (918) is connected with disc (911), one side fixed mounting of disc (911) is at the surface of movable block (9).

5. A twin screw extruder as defined in claim 1, wherein: four limiting holes are formed in the outer surface of the feeding hole (3), and bolts (311) are movably installed in the four limiting holes.

6. A twin screw extruder as defined in claim 5, wherein: the outer surface of the bolt (311) is fixedly provided with a handle (312).