CN214521789U

CN214521789U - Screw extraction device for double-screw extruder

Info

Publication number: CN214521789U
Application number: CN202120085726.5U
Authority: CN
Inventors: 刘志; 宋航; 刘前敏
Original assignee: Wenzhou Keli Plastic Co ltd
Current assignee: Wenzhou Keli Plastic Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-10-29
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a screw extraction device for a double-screw extruder, belonging to the technical field of extruders; including the workstation, the first fixed plate of top fixedly connected with of workstation one side, the lateral wall of first fixed plate one side runs through and has seted up first through groove, the inner wall that first through groove kept away from both ends each other all is equipped with the movable block, the lateral wall of two movable blocks all runs through and has seted up the through screw hole, the inner wall of two through screw holes all runs through the meshing and is connected with the screw, the top fixedly connected with second fixed plate of first fixed plate one side is kept away from to the workstation, the second fixed plate runs through with first through groove position assorted lateral wall and has seted up the second through groove. The utility model has the advantages that: this device is simple to use, conveniently takes out the screw rod of damage in the extruder, can adjust extraction element's distance according to the actual model of extruder simultaneously, ensures to take out the effect.

Description

Screw extraction device for double-screw extruder

Technical Field

The utility model relates to an extruder technical field specifically is a screw rod draw-out device for 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 largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

When a twin-screw extruder is used for extrusion work, if the hardness of the extruded material is high, the screw in the extruder is deformed or broken, and the extruded material cannot be used. In the prior art, if a screw in a double-screw extruder is damaged, the damaged screw cannot be taken out well. Accordingly, those skilled in the art have provided a screw extracting apparatus for a twin-screw extruder to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw rod draw-out device for 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: the utility model provides a screw rod draw-out device for double screw extruder, includes the workstation, the first fixed plate of top fixedly connected with of workstation one side, the lateral wall of first fixed plate one side is run through and is seted up first through groove, the inner wall that first through groove kept away from both ends each other all is equipped with the movable block, two the lateral wall of movable block all runs through and sets up and runs through the screw hole, two the inner wall that runs through the screw hole all runs through the meshing and is connected with the screw, the top fixedly connected with second fixed plate of first fixed plate one side is kept away from to the workstation, the second fixed plate runs through with first through groove position assorted lateral wall and has seted up the second and run through the groove.

As a further aspect of the present invention: the top fixedly connected with inoxidizing coating of workstation, a plurality of support columns of the even fixedly connected with in bottom of workstation protect the screw rod of taking out through the inoxidizing coating, prevent that the screw rod secondary striking from causing follow-up damage, provide the support to the workstation through the support column.

As a further aspect of the present invention: the first fixing plate is provided with a threaded groove in a penetrating mode with the top of the first penetrating groove in a position matched with the top of the first penetrating groove, the threaded groove is connected with a limiting bolt in a meshing mode with the inner wall of the movable block in a position matched with the movable block, a connecting space of the limiting bolt is provided through the threaded groove, and the movable block is extruded and limited through the limiting bolt.

As a further aspect of the present invention: the bottom of the inner wall of the first through groove is provided with a sliding groove, two sliding blocks and sliding groove position-matched bottom equal fixedly connected with sliding blocks are connected with the sliding groove in a sliding mode, the sliding blocks are matched with the sliding blocks through the sliding grooves to be used, the positions of the movable blocks can be adjusted, and then the positions of the adjusting screws are adjusted, so that screws in extruders of different models can be taken out conveniently.

As a further aspect of the present invention: two the lateral wall that spacing bolt runs through thread groove one end all touches with the top of position phase-match movable block and connects, confirms the mounted position, ensures that spacing bolt can extrude spacingly to the movable block.

As a further aspect of the present invention: the lateral wall that the second fixed plate is close to first fixed plate one side evenly runs through the meshing and is connected with a plurality of fixing bolt, can be connected the lateral wall of second fixed plate and extruder spacing through fixing bolt, and then connect spacingly to this device wholly.

Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the support column provides support for the workbench, the workbench provides installation and working space, the first fixed plate is matched with the first through groove to connect and limit the movable block, meanwhile, the movable block is supported, and the movable block is matched with the through threaded hole to use, so that the installation and connection space of the screw is provided; the second fixing plate and the workbench are connected and limited through the fixing bolt, then the extruder is penetrated through the screw, the screw rod in the extruder is connected, and then the screw rod is driven to move out of the extruder by rotating the screw. Through the cooperation of spout, slider and first through groove use, can be according to the in-service use light and fast, adjust the position of two movable blocks, and then the distance between two screws of regulation ensures to take out the screw rod. This device is simple to use, conveniently takes out the screw rod of damage in the extruder, can adjust extraction element's distance according to the actual model of extruder simultaneously, ensures to take out the effect.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a work table; 2. a support pillar; 3. a protective layer; 4. a first fixing plate; 5. a first through groove; 6. a movable block; 7. a screw; 8. a thread groove; 9. a limit bolt; 10. a second fixing plate; 11. a second through groove; 12. fixing the bolt; 13. a chute; 14. a slider; 15. and a threaded hole is formed through the base.

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 work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in the embodiment of the utility model, a screw rod draw-out device for double screw extruder, including workstation 1, the first fixed plate 4 of top fixedly connected with of workstation 1 one side, the lateral wall of first fixed plate 4 one side is run through and has been seted up first through groove 5, the inner wall that first through groove 5 kept away from both ends each other all is equipped with movable block 6, the lateral wall of two movable blocks 6 all runs through and has been seted up through threaded hole 15, two inner walls that run through threaded hole 15 all run through the meshing and be connected with screw 7, the top fixedly connected with second fixed plate 10 of first fixed plate 4 one side is kept away from to workstation 1, second fixed plate 10 runs through with first through groove 5 position assorted lateral wall and has seted up the second and run through groove 11.

The top of the workbench 1 is fixedly connected with a protective layer 3, the bottom of the workbench 1 is uniformly and fixedly connected with a plurality of support columns 2, the taken-out screw is protected by the protective layer 3, the follow-up damage caused by secondary impact of the screw is prevented, and the workbench 1 is supported by the support columns 2; a threaded groove 8 is formed in the top, matched with the first through groove 5, of the first fixing plate 4 in a penetrating mode, the inner walls, matched with the movable block 6, of the threaded groove 8 are connected with a limiting bolt 9 in a meshing mode, a connecting space of the limiting bolt 9 is provided through the threaded groove 8, and the movable block 6 is limited in an extrusion mode through the limiting bolt 9; spout 13 has been seted up to the bottom of the inner wall of first through groove 5, and two movable block 6 and the equal fixedly connected with slider 14 in spout 13 position assorted bottom, two sliders 14 all with spout 13 sliding connection, use through spout 13 cooperation slider 14, the position of adjustable movable block 6, and then adjusting screw 7's position conveniently takes out the screw rod in the different model extruders.

The side walls of the two limiting bolts 9 penetrating through one end of the threaded groove 8 are in contact with the top of the movable block 6 with matched positions, the installation positions are determined, and the limiting bolts 9 are enabled to extrude and limit the movable block 6; the lateral wall that second fixed plate 10 is close to first fixed plate 4 one side evenly runs through the meshing and is connected with a plurality of fixing bolt 12, can be connected second fixed plate 10 and the lateral wall of extruder spacing through fixing bolt 12, and then connect spacingly to this device is whole.

The utility model discloses a theory of operation is: when the device is used for taking out the screw in the double-screw extruder, the screw 7 is rotated in the direction far away from the second fixing plate 10, then the device is moved to the position close to the extruder, and the second fixing plate 10 and the extruder are connected and limited through the fixing bolt 12. The contact of the limit bolt 9 is unscrewed to limit the extrusion of the movable block 6, the positions of the two movable blocks 6 are adjusted through the sliding grooves 13 and the sliding blocks 14, the screw 7 is ensured to be consistent with the position of a screw rod in the extruder, after the position is adjusted, the limit bolt 9 is screwed again to limit the extrusion of the movable block 6, then the screw 7 is rotated towards the direction close to the second fixing plate 10, and the screw 7 penetrates through the second penetrating groove 11 to be meshed with the screw rod in the extruder. When the screw 7 rotates to the bottom, the screw 7 is reversely rotated to drive the screw rod to move out of the extruder.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Screw extraction device for a twin-screw extruder, comprising a work bench (1), characterized in that: the top fixedly connected with first fixed plate (4) of workstation (1) one side, the lateral wall of first fixed plate (4) one side is run through and has been seted up first through groove (5), the inner wall at both ends all is equipped with movable block (6), two is kept away from each other in first through groove (5) the lateral wall of movable block (6) all runs through and has been seted up through threaded hole (15), two the inner wall of running through threaded hole (15) all runs through the meshing and is connected with screw (7), top fixedly connected with second fixed plate (10) of first fixed plate (4) one side is kept away from in workstation (1), second fixed plate (10) run through with first through groove (5) position assorted lateral wall and has been seted up the second and run through groove (11).

2. A screw extraction device for a twin-screw extruder as claimed in claim 1, wherein: the top fixedly connected with inoxidizing coating (3) of workstation (1), the even fixedly connected with a plurality of support columns (2) in bottom of workstation (1).

3. A screw extraction device for a twin-screw extruder as claimed in claim 1, wherein: the first fixing plate (4) is provided with a threaded groove (8) in a penetrating mode with the top of the first penetrating groove (5) in a position matched mode, and the threaded groove (8) is connected with a limiting bolt (9) in a meshing mode with the inner wall of the movable block (6) in a position matched mode.

4. A screw extraction device for a twin-screw extruder as claimed in claim 1, wherein: the bottom of the inner wall of the first through groove (5) is provided with a sliding groove (13), the bottom of the movable block (6) matched with the sliding groove (13) is fixedly connected with a sliding block (14), and the sliding blocks (14) are connected with the sliding groove (13) in a sliding mode.

5. A screw extraction device for a twin-screw extruder as claimed in claim 3, wherein: two limit bolts (9) run through the lateral wall of screw thread groove (8) one end and all contact with the top of position matching movable block (6).

6. A screw extraction device for a twin-screw extruder as claimed in claim 1, wherein: the side wall of one side, close to the first fixing plate (4), of the second fixing plate (10) is evenly connected with a plurality of fixing bolts (12) in a penetrating and meshing mode.