CN211566891U

CN211566891U - Double-screw extruder head structure

Info

Publication number: CN211566891U
Application number: CN201922208769.3U
Authority: CN
Inventors: 李庆群; 吕菊香
Original assignee: Jiangsu Zhengpin Chemical Co ltd
Current assignee: Jiangsu Zhengpin Chemical Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-09-25
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a double screw extruder head structure, including the double screw extruder body, one side fixedly connected with shell of double screw extruder body, and the inner wall of shell rotates and is connected with the screw rod that two slopes set up, the one end that the double screw extruder body was kept away from to the shell has seted up the discharge gate, the cavity has all been seted up to the both sides inner wall of shell, and the spout has all been seted up to the inner wall that two cavities kept away from each other, the shell is close to the lateral wall of cavity and is inserted and be equipped with baffle, every sliding connection has the horizontal pole in the spout. The utility model discloses in, through setting up the scraper subassembly, can be when needing the master batch to change the colour, utilize water pressure to drive the sleeve pipe and stretch out and make organ cover inflation behind the starting water pump, make scraper and screw rod offset, then turn to the motor and can make scraper and sponge brush scrape out and wash the remaining material in screw rod surface, in the time of comparatively labour saving and time saving, save clear quick-witted material.

Description

Double-screw extruder head structure

Technical Field

The utility model relates to an extrusion material production facility technical field especially relates to a double screw extruder head structure.

Background

The double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and the like, so that the double-screw extruder is widely applied to molding and processing of extruded products at present.

In the prior art, when master batches are manufactured, the color is frequently required to be changed, a large amount of cleaning materials are required to be used for cleaning when the color is changed, time and electricity are wasted, raw materials are wasted, the disassembly and cleaning are troublesome in operation, the screws are required to be cleaned manually, the operation is complicated, the labor intensity is high, and therefore the double-screw extruder head structure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the double-screw extruder head structure is provided for solving the problem that cleaning the double-screw extruder head is time-consuming and labor-consuming.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a double-screw extruder body, wherein one side of the double-screw extruder body is fixedly connected with a shell, the inner wall of the shell is rotationally connected with two obliquely arranged screws, a discharge port is arranged at one end of the shell far away from the double-screw extruder body, cavities are arranged on the inner walls of the two sides of the shell, and the inner walls of the two cavities far away from each other are both provided with sliding chutes, the side wall of the shell close to the cavity is inserted with a baffle plate, each sliding chute is connected with a cross rod in a sliding way, and one end of the cross rod is fixedly connected with a round rod, one end of the round rod far away from the cross rod is sleeved with a sleeve in a sliding manner, and one end of the sleeve pipe far away from the round rod is fixedly connected with the scraper component, one end of the sleeve pipe close to the double-screw extruder body is communicated with a hose, and one end of the hose, which is far away from the sleeve, is communicated with a pipe winding device, and the side wall of one side of the pipe winding device is communicated with a water pump through a water pipe.

As a further description of the above technical solution:

the scraper subassembly includes the support, and one side lateral wall and the sleeve pipe intercommunication setting of support, sheathed tube lateral wall sliding connection is kept away from to the support has two first scrapers, and the equal fixedly connected with second scraper of the lower extreme of two first scrapers, the lower extreme fixed connection of support has the wind organ cover, and the organ cover is located and sets up between two first scrapers, two be sliding connection between the second scraper, the hole for water spraying has all been seted up to first scraper and second scraper, and the hole for water spraying sets up with organ cover intercommunication.

As a further description of the above technical solution:

the pipe winding device comprises a hollow shaft, two partition plates are fixedly connected to the side wall of the hollow shaft, one side of the hollow shaft is communicated with a side wall hose, one end of the hollow shaft is communicated with a water pipe, and the hollow shaft is rotatably connected with the inner wall of the double-screw extruder body.

As a further description of the above technical solution:

the shape of the screw rod is conical, and the screw rod is a combined screw rod.

As a further description of the above technical solution:

the inner wall fixedly connected with flow distribution plate of shell, and the flow distribution plate is close to the discharge gate setting.

As a further description of the above technical solution:

and a resistance heating device is arranged in the shell, and the heating device is electrically connected with a temperature control device.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up the scraper subassembly, can be when needing the master batch to change the colour, utilize water pressure to drive the sleeve pipe and stretch out and make organ cover inflation behind the starting water pump, make scraper and screw rod offset, then turn to the motor and can make scraper and sponge brush scrape out and wash the remaining material in screw rod surface, in the time of comparatively labour saving and time saving, save clear quick-witted material.

2. The utility model discloses in, through setting up the pipe winding device, be convenient for accomodate the hose of wasing usefulness, can utilize two screw rods to accomplish multichannel process through setting up combination formula screw rod, realize line production, can effectively monitor the temperature in the shell through setting up temperature control device, guarantee product quality.

Drawings

Fig. 1 is a schematic perspective view of a twin-screw extruder head structure provided by the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of a twin-screw extruder head structure according to the present invention;

FIG. 3 is a schematic structural view of a scraper assembly in a twin-screw extruder head structure according to the present invention;

fig. 4 is the structural schematic diagram of a pipe winding device in the structure of the twin-screw extruder head provided by the utility model.

Illustration of the drawings:

1. a twin screw extruder body; 2. a housing; 3. a screw; 4. a discharge port; 5. a chute; 6. a baffle plate; 7. A cross bar; 8. a round bar; 9. a sleeve; 10. a scraper assembly; 11. a hose; 12. a pipe winding device; 13. a flow distribution plate; 101. a support; 102. a first scraper; 103. a second scraper; 104. a piano cover; 121. a hollow shaft; 122. a separator.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the cleaning device comprises a double-screw extruder body 1, wherein a shell 2 is fixedly connected to one side of the double-screw extruder body 1, two obliquely arranged screws 3 are rotatably connected to the inner wall of the shell 2, a discharge hole 4 is formed in one end, away from the double-screw extruder body 1, of the shell 2, cavities are formed in the inner walls of the two sides of the shell 2, chutes 5 are formed in the inner walls, away from each other, of the two cavities, baffles 6 are inserted into the side wall, close to the cavities, of the shell 2, the baffles 6 are arranged close to the cavities, the cavities can be completely sealed by the baffles 6, a cross rod 7 is slidably connected in each chute 5, each chute 5 is a T-shaped groove, a round rod 8 is fixedly connected to one end of each cross rod 7, a sleeve 9 is slidably sleeved at one end, away from the cross rod 7, one end, away from the round rod, of each sleeve 9 is fixedly, improve the cleaning performance, the one end intercommunication that is close to double screw extruder body 1 of sleeve pipe 9 has hose 11, and hose 11 keeps away from the one end intercommunication of sleeve pipe 9 and has around pipe device 12, and the lateral wall leads to pipe intercommunication has the water pump around one side of pipe device 12, and double screw extruder body 1's lower extreme inner wall fixedly connected with water tank, and the water pump is located the water tank and sets up.

Specifically, as shown in fig. 3, the scraper assembly 10 includes a support 101, and a side wall of the support 101 is communicated with the sleeve 9, the side wall of the support 101 far from the sleeve 9 is slidably connected with two first scrapers 102, and the lower ends of the two first scrapers 102 are fixedly connected with second scrapers 103, the lower end of the support 101 is fixedly connected with an organ sleeve 104, and the organ sleeve 104 is located between the two first scrapers 102, and is slidably connected between the two second scrapers 103, and water spray holes have been all opened in the first scrapers 102 and the second scrapers 103, and are communicated with the organ sleeve 104, and can be expanded by driving the organ sleeve 104 through water pressure, so that the first scrapers 102 of the organ sleeve are offset with threads on the screw (3), thereby improving the cleaning effect, and the second scrapers 103 which are slidably connected can be matched with the screw 3 with different pitches by the second scrapers 103 which are provided with the organ sleeve 104.

Specifically, as shown in fig. 4, the pipe winding device 12 includes a hollow shaft 121, one end of the hollow shaft 121 far away from the water pipe runs through the side wall of the twin-screw extruder body 1 and extends to the outside of the twin-screw extruder body 1, the hollow shaft 121 located outside the twin-screw extruder body 1 is a blocking end, and is fixedly connected with a handle, and two partition plates 122 are fixedly connected with the side wall of the hollow shaft 121, one side of the hollow shaft 121 is communicated with the side wall hose 11, and one end of the hollow shaft 121 is communicated with the water pipe, the hollow shaft 121 is rotatably connected with the inner wall of the twin-screw extruder body 1, the water pipe can be stored on the hollow shaft 121 without cleaning the screw by setting the pipe winding device 12, and the use is convenient.

Specifically, as shown in fig. 2, the screw 3 is conical, and the screw 3 is a combined screw, and a plurality of processes such as material cutting and mixing can be realized by providing the combined screw.

Specifically, as shown in fig. 2, a splitter plate 13 is fixedly connected to the inner wall of the housing 2, the splitter plate 13 is arranged close to the discharge port 4, and the extruded material can be split by arranging the splitter plate 13 to manufacture products of different specifications.

Specifically, as shown in fig. 1, a resistance heating device is arranged in the housing 2, and the heating device is electrically connected with a temperature control device, so that heat can be supplied to the interior of the housing 2 by arranging the resistance heating device, and the temperature control device is matched to control the temperature in the housing 2, thereby ensuring that the master batch is kept at a proper temperature during extrusion.

The working principle is as follows: when the machine head of the double-screw extruder needs to be cleaned, before the previous batch of materials are processed, a cleaning agent is filled in a water tank in advance, the cleaning agent is preheated by utilizing the temperature in the double-screw extruder body 1, then after the materials are processed, the baffle 6 is drawn out, and the water pump is started, the cleaning agent flows into a water pipe under the driving of the water pump and flows into a hose 11 through a pipe winding device 12, then the cleaning agent flows into a sleeve 9 from the hose 11, the water pressure in the sleeve 9 is increased, the sleeve 9 drives a scraper component 10 to move towards a screw 3, then the accordion 104 expands along with the cleaning agent entering the wind instrument sleeve 104, so that a first scraper 102 is abutted against the thread of the screw 3, a second scraper 103 is abutted against the side wall of the rain screw 3 under the driving of the sleeve 9, then the extruder body 1 is started, and a round rod 8 slides in a sliding groove 5 along with the rotation of the double-screw 3, the scraper component 10 also moves towards the direction far away from the water pump to scrape out the residues on the side wall of the screw rod 3 and the thread of the screw rod 3, the cleaning agent is sprayed out from the water spraying holes on the first scraper 102 and the second scraper 103 and is matched with the sponge brush to clean the side wall of the screw rod 3 and the thread of the screw rod 3, because the bellows sleeve 104 and the sleeve 9 both expand or extend depending on the water pressure, and the screw rod 3 is made of rigid material, when the thread pitch of the screw rod 3 changes, the bellows sleeve 104 and the sleeve 9 contract, so that the scraper component 10 can be matched with different areas on the combined screw rod, the aim of multiple purposes of one scraper is realized, the cleaning operation is simplified, time and labor are saved, the position of the scraper component 10 is observed through a through hole left after the baffle 6 is removed, after the screw rod 3 is cleaned, the double-screw pump extruder body 1 is closed, then the double-screw pump water pump extruder body 1, the baffle 6 is inserted, and then the hollow shaft 121 is rotated to wind the hose 11 on the hollow shaft 121 and drive the loop bar 9 to return to the initial position, and the whole cleaning process is completed.

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. A double-screw extruder head structure comprises a double-screw extruder body (1) and is characterized in that one side of the double-screw extruder body (1) is fixedly connected with a shell (2), the inner wall of the shell (2) is connected with two obliquely arranged screws (3) in a rotating manner, one end of the shell (2) far away from the double-screw extruder body (1) is provided with a discharge hole (4), the inner walls of the two sides of the shell (2) are provided with cavities, the inner walls of the two cavities far away from each other are provided with sliding grooves (5), the side wall of the shell (2) close to the cavities is inserted with a baffle (6), each sliding groove (5) is connected with a cross rod (7) in a sliding manner, one end of each cross rod (7) is fixedly connected with a round rod (8), one end of each round rod (8) far away from the cross rod (7) is sleeved with a sleeve (9) in a sliding manner, one end of the sleeve (9) close to the double-screw extruder body (1) is communicated with a hose (11), one end of the hose (11) far away from the sleeve (9) is communicated with a pipe winding device (12), and the side wall of one side of the pipe winding device (12) is communicated with a water pump through a water pipe.

2. The twin-screw extruder head structure according to claim 1, wherein the scraper assembly (10) comprises a support (101), one side wall of the support (101) is communicated with the sleeve (9), two first scrapers (102) are slidably connected to the side wall of the support (101) far away from the sleeve (9), a second scraper (103) is fixedly connected to the lower ends of the two first scrapers (102), a wind instrument sleeve (104) is fixedly connected to the lower end of the support (101), the wind instrument sleeve (104) is arranged between the two first scrapers (102), the two second scrapers (103) are slidably connected, water spray holes are formed in the first scrapers (102) and the second scrapers (103), and the water spray holes are communicated with the wind instrument sleeve (104).

3. The twin-screw extruder head structure according to claim 1, wherein the pipe winding device (12) comprises a hollow shaft (121), two partition plates (122) are fixedly connected to the side wall of the hollow shaft (121), one side of the hollow shaft (121) is communicated with the side wall hose (11), one end of the hollow shaft (121) is communicated with a water pipe, and the hollow shaft (121) is rotatably connected with the inner wall of the twin-screw extruder body (1).

4. A twin-screw extruder head structure according to claim 1, characterised in that the shape of the screw (3) is conical and the screw (3) is a compound screw.

5. The twin-screw extruder head structure according to claim 1, characterized in that a splitter plate (13) is fixedly connected to the inner wall of the housing (2), and the splitter plate (13) is arranged close to the discharge port (4).

6. A twin-screw extruder head structure according to claim 1, characterised in that a resistance heating device is provided in the housing (2) and the heating device is electrically connected to a temperature control device.