CN214872527U

CN214872527U - Screw structure of conical double-screw extruder

Info

Publication number: CN214872527U
Application number: CN202120872626.7U
Authority: CN
Inventors: 朱晓军
Original assignee: Wuxi Jinkaisheng Machinery Manufacturing Co ltd
Current assignee: Wuxi Jinkaisheng Machinery Manufacturing Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-26
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a toper double screw extruder's screw rod structure, including screw rod body and fixed establishment, the one end fixedly connected with rectangular block of screw rod body, the outer wall of rectangular block is provided with the locating hole all around, fixed establishment includes the carousel, one side outer wall of carousel is provided with the location fixture block, location fixture block and locating hole looks adaptation, one side outer wall fixedly connected with set casing of carousel, the connecting block that the inner wall fixedly connected with equidistance of set casing distributes, one side outer wall fixedly connected with installation piece of connecting block, the both sides outer wall of installation piece is provided with mounting groove one and mounting groove two respectively. The utility model discloses when carrying out the installation of screw rod body, inside fixed establishment was gone into to the rectangular block card on the screw rod body, in entering into the locating hole on the rectangular block through positioning fixture block joint, the completion was to rectangular block fixed positioning all around, and installation and dismantlement will labour saving and time saving like this, and work efficiency is fast.

Description

Screw structure of conical double-screw extruder

Technical Field

The utility model relates to a melt and spout cloth production facility technical field, especially relate to a screw rod structure of toper double screw extruder.

Background

After high polymer resin is extruded, melted and plasticized by a screw extruder, a metering pump is used for accurately metering and conveying a spinning assembly, the spinning assembly is drawn into superfine fibers under the action of high-speed high-pressure hot air flow, and melt-blown non-woven fabric is formed on a collecting device. The melt-blown fabric is the most core material of the mask, the melt-blown fabric mainly takes polypropylene as a main raw material, and the fiber diameter can reach 1-5 microns. The superfine fiber with the unique capillary structure increases the number and the surface area of the fiber per unit area, so that the melt-blown fabric has good filtering property, shielding property, heat insulation property and oil absorption property.

However, in the prior art, the screws of the conical double-screw extruder are fixedly installed through bolts, so that the screws are time-consuming and labor-consuming to disassemble and install and the working efficiency is low when the screws are maintained.

SUMMERY OF THE UTILITY MODEL

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

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

the utility model provides a screw rod structure of toper double screw extruder, includes screw rod body and fixed establishment, the one end fixedly connected with rectangular block of screw rod body, the outer wall of rectangular block is provided with the locating hole all around, fixed establishment includes the carousel, one side outer wall of carousel is provided with the location fixture block, the location fixture block and locating hole looks adaptation.

As a further improvement scheme of the technical scheme: the outer wall fixedly connected with set casing of one side of carousel, the inner wall fixedly connected with of set casing equidistance distribution's connecting block, the outer wall fixedly connected with installation piece of one side of connecting block.

As a further improvement scheme of the technical scheme: the mounting structure is characterized in that the outer walls of the two sides of the mounting block are respectively provided with a first mounting groove and a second mounting groove, the inner wall of one side of the first mounting groove is connected with a connecting shaft through a bearing, the outer wall of the connecting shaft is sleeved with a rotating round block, and the outer walls of the two sides of the rotating round block are respectively and fixedly connected with a first bevel gear and a second bevel gear.

As a further improvement scheme of the technical scheme: the outer wall of one side of the first mounting groove is connected with a rotating shaft through a bearing, two ends of the rotating shaft are fixedly connected with a fourth bevel gear and a bolt block respectively, and the fourth bevel gear is meshed with the first bevel gear.

As a further improvement scheme of the technical scheme: the outer wall of one side of connecting block is provided with mounting groove three, the top inner wall of mounting groove three is connected with the lead screw that runs through mounting groove one through the bearing, the outer wall of lead screw has the regulating block through threaded connection, the regulating block forms sliding fit with mounting groove three.

As a further improvement scheme of the technical scheme: one end of the screw rod is fixedly connected with a third bevel gear, the third bevel gear is meshed with the second bevel gear, and the adjusting block is fixedly connected with the positioning clamping block.

As a further improvement scheme of the technical scheme: the second mounting groove is matched with the rectangular block, a supporting block is fixedly connected to the outer wall of one side of the fixed shell, and a mounting hole is formed in the outer wall of the top of the supporting block.

As a further improvement scheme of the technical scheme: the inner wall of the mounting hole is connected with a limiting rod through threads, the outer wall of the bolt block is provided with limiting holes distributed at equal intervals, and the limiting holes are matched with the limiting rod.

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

1. when carrying out the installation of screw rod body, inside fixed establishment is gone into to the rectangular block card on the screw rod body, in entering into the locating hole on the rectangular block through the positioning fixture block joint, accomplish the fixed positioning to rectangular block all around, install like this with dismantle will labour saving and time saving, work efficiency is fast.

2. Through being provided with the gag lever post, after installing the screw rod body, the gag lever post on the wrench movement supporting shoe makes it insert the spacing downthehole on the bolt piece, just so can accomplish the location to the bolt piece, prevents that the bolt piece is not hard up when the screw rod body from operating.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a screw structure of a conical twin-screw extruder according to the present invention;

FIG. 2 is an enlarged schematic structural view of the screw structure of the conical twin-screw extruder of the present invention at the A position;

FIG. 3 is an enlarged schematic structural view of the screw structure B of the conical twin-screw extruder according to the present invention;

fig. 4 is the utility model provides a fixing mechanism structure sketch map of the screw rod structure of toper double screw extruder.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a screw body; 2. a rectangular block; 3. a stationary case; 4. a turntable; 5. positioning a fixture block; 6. mounting blocks; 7. positioning holes; 8. a bolt block; 9. a limiting rod; 10. a support block; 11. a limiting hole; 12. connecting blocks; 13. a screw rod; 14. an adjusting block; 15. a first bevel gear; 16. a second bevel gear; 17. a third bevel gear; 18. a rotating shaft; 19. and a bevel gear four.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4, in the embodiment of the utility model, a toper double screw extruder's screw rod structure, including screw rod body 1 and fixed establishment, screw rod body 1's one end fixedly connected with rectangular block 2, rectangular block 2's outer wall is provided with locating hole 7 all around, fixed establishment includes carousel 4, one side outer wall of carousel 4 is provided with positioning fixture block 5, positioning fixture block 5 and locating hole 7 looks adaptation, when carrying out screw rod body 1's installation, inside rectangular block 2 card on screw rod body 1 goes into fixed establishment, in entering into rectangular block 2's locating hole 7 through positioning fixture block 5 joint, accomplish rectangular block 2 fixed positioning all around, installation and dismantlement will labour saving and time saving like this, work efficiency is fast.

Referring to fig. 4, the outer wall of one side of the turntable 4 is fixedly connected with the fixing shell 3, the inner wall of the fixing shell 3 is fixedly connected with the connecting blocks 12 which are distributed equidistantly, the outer wall of one side of the connecting blocks 12 is fixedly connected with the mounting blocks 6, and the connecting blocks 12 play a role in fixing the mounting blocks 6.

Referring to fig. 4, the outer walls of the two sides of the mounting block 6 are respectively provided with a first mounting groove and a second mounting groove, the inner wall of one side of the first mounting groove is connected with a connecting shaft through a bearing, the outer wall of the connecting shaft is sleeved with a rotating round block, and the outer walls of the two sides of the rotating round block are respectively and fixedly connected with a first bevel gear 15 and a second bevel gear 16, that is, the connecting shaft can simultaneously enable the first bevel gear 15 and the second bevel gear 16 to rotate together.

Referring to fig. 4, the outer wall of one side of the first mounting groove is connected with a rotating shaft 18 through a bearing, two ends of the rotating shaft 18 are respectively and fixedly connected with a bevel gear four 19 and a bolt block 8, the bevel gear four 19 is meshed with the bevel gear one 15, and the bevel gear four 19 on the rotating shaft 18 can rotate through the bolt block 8.

Referring to fig. 1, a third mounting groove is formed in the outer wall of one side of the connecting block 12, a screw rod 13 penetrating through the first mounting groove is connected to the inner wall of the top of the third mounting groove through a bearing, an adjusting block 14 is connected to the outer wall of the screw rod 13 through a thread, the adjusting block 14 and the third mounting groove form a sliding fit, and the screw rod 13 acts on the adjusting block 14 to enable the adjusting block 14 to move up and down.

Referring to fig. 4, one end of the screw rod 13 is fixedly connected with a third bevel gear 17, the third bevel gear 17 is meshed with a second bevel gear 16, the adjusting block 14 is fixedly connected with the positioning fixture block 5, and the rotation of the first bevel gear 15 can enable four bevel gears 19 to rotate.

Referring to fig. 1, the second mounting groove is matched with the rectangular block 2, a supporting block 10 is fixedly connected to an outer wall of one side of the fixed shell 3, and a mounting hole is formed in an outer wall of the top of the supporting block 10.

Referring to fig. 2, the inner wall of the mounting hole is connected with a limiting rod 9 through threads, the outer wall of the bolt block 8 is provided with limiting holes 11 distributed at equal intervals, the limiting holes 11 are matched with the limiting rod 9, and the limiting rod 9 on the supporting block 10 is twisted to be inserted into the limiting holes 11 on the bolt block 8, so that the bolt block 8 can be positioned, and the bolt block 8 is prevented from being loosened when the screw body 1 operates.

The utility model discloses a theory of operation is:

the rotary disc 4 is arranged on a driving motor which drives the screw rod body 1, when in installation, the rectangular block 2 at one end of the screw rod body 1 is inserted into the second installation groove on the installation block 6, the bolt block 8 is rotated to rotate the rotating shaft 18, the bevel gear four 19 on the rotating shaft 18 acts on the bevel gear one 15, thereby rotating a second bevel gear 16 on the same connecting shaft, the second bevel gear 16 acts on a third bevel gear 17, further, the screw rod 13 rotates, the adjusting block 14 on the screw rod 13 moves towards the surface of the mounting block 6, and further the positioning fixture block 5 is clamped into the positioning hole 7 on the rectangular block 2, the periphery of the rectangular block 2 can be positioned and clamped, and then positioned and fixed, then the limiting rod 9 on the supporting block 10 is twisted to be inserted into the limiting hole 11 on the bolt block 8, thus, the bolt block 8 can be positioned, and the bolt block 8 is prevented from loosening when the screw body 1 operates.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a screw rod structure of toper double screw extruder, includes screw rod body (1) and fixed establishment, its characterized in that, the one end fixedly connected with rectangular block (2) of screw rod body (1), the outer wall of rectangular block (2) is provided with locating hole (7) all around, fixed establishment includes carousel (4), one side outer wall of carousel (4) is provided with location fixture block (5), location fixture block (5) and locating hole (7) looks adaptation.

2. The screw structure of a conical twin-screw extruder according to claim 1, wherein a fixed shell (3) is fixedly connected to the outer wall of one side of the rotating disc (4), connecting blocks (12) are fixedly connected to the inner wall of the fixed shell (3) and are distributed equidistantly, and a mounting block (6) is fixedly connected to the outer wall of one side of each connecting block (12).

3. The screw structure of a conical twin-screw extruder according to claim 2, wherein the outer walls of the two sides of the mounting block (6) are respectively provided with a first mounting groove and a second mounting groove, the inner wall of one side of the first mounting groove is connected with a connecting shaft through a bearing, the outer wall of the connecting shaft is sleeved with a rotating round block, and the outer walls of the two sides of the rotating round block are respectively fixedly connected with a first bevel gear (15) and a second bevel gear (16).

4. The screw structure of the conical twin-screw extruder according to claim 3, wherein a rotating shaft (18) is connected to the outer wall of one side of the first mounting groove through a bearing, a bevel gear four (19) and a bolt block (8) are fixedly connected to two ends of the rotating shaft (18), and the bevel gear four (19) is meshed with the bevel gear one (15).

5. The screw structure of the conical twin-screw extruder as claimed in claim 2, wherein one side of the outer wall of the connecting block (12) is provided with a third mounting groove, the top inner wall of the third mounting groove is connected with a screw rod (13) penetrating through the first mounting groove through a bearing, the outer wall of the screw rod (13) is connected with an adjusting block (14) through a thread, and the adjusting block (14) and the third mounting groove form a sliding fit.

6. The screw structure of the conical twin-screw extruder according to claim 5, wherein one end of the screw rod (13) is fixedly connected with a bevel gear III (17), the bevel gear III (17) is meshed with a bevel gear II (16), and the adjusting block (14) is fixedly connected with the positioning fixture block (5).

7. The screw structure of the conical twin-screw extruder according to claim 3, wherein the second mounting groove is matched with the rectangular block (2), a supporting block (10) is fixedly connected to the outer wall of one side of the fixed shell (3), and a mounting hole is formed in the outer wall of the top of the supporting block (10).

8. The screw structure of the conical twin-screw extruder according to claim 7, wherein the inner wall of the mounting hole is connected with a limiting rod (9) through threads, the outer wall of the bolt block (8) is provided with limiting holes (11) distributed at equal intervals, and the limiting holes (11) are matched with the limiting rod (9).