CN210679646U

CN210679646U - Double-screw coupling device

Info

Publication number: CN210679646U
Application number: CN201921586940.8U
Authority: CN
Inventors: 孙业爱
Original assignee: Nanjing Changxin Machinery Equipment Co ltd
Current assignee: Nanjing Changxin Machinery Equipment Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-06-05
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a double-screw coupling device, which comprises a cylinder body, wherein one end of the cylinder body is provided with an integrated flange plate, one side surface of the flange plate is provided with a cylinder thread, one end of the flange plate is rotatably provided with a screw rod, the top of the cylinder body is provided with a feed inlet, the edge of the feed inlet is provided with a preheating groove, the inside of the preheating groove is provided with an embedded sleeve, and the inner side of the embedded sleeve is embedded with a mica sheet; offer the preheating groove in the feed inlet department of device, the electric heat wire in the accessible preheating groove preheats the charge door, when the device is interrupted reinforced, can preheat the material of interpolation, improve the melting effect of device, the spacing groove has been seted up on the ring flange of the device one end, when connecting and use the device, can correspond the ring flange of seting up on the feed cylinder and paste and establish, spacing arch of seting up on the ring flange of feed cylinder counterpoints with the spacing groove, convenient to the hole, it is more convenient when installing, the practicality of the device has been improved.

Description

Double-screw coupling device

Technical Field

The utility model belongs to the technical field of the double screw extruder, concretely relates to coupling device of double screw.

Background

Like the single screw, the twin screw is also divided into a charging section, a compression section and a homogenization section. Twin screw extruders come in many types, primarily classified according to the screw direction and the degree of screw engagement. The two screws can be classified into a full-mesh type, a partial-mesh type, and a non-mesh type according to the degree of meshing. The conveying of non-meshing type screws is similar to that of single screws, is rarely used, more or full-meshing type screws are applied, and the non-meshing type screws can be divided into co-rotating twin screws, inwards counter-rotating twin screws and outwards counter-rotating twin screws according to the rotating directions of the two screws. According to the geometric angle of the axes of the two screws, the screw can be divided into a parallel type double screw and a conical type double screw.

The existing double-screw coupling device is generally used for connecting a fixing device provided with double screws, and a series of chemical basic unit processes, namely a feeding, compressing and homogenizing device, can be melted by a machine during feeding through the fixed screws, so that internal stress can be generated in extruded materials if raw materials are melted during equipment use, and therefore the double-screw coupling device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coupling device of twin-screw to solve the coupling device of the current twin-screw that proposes in the above-mentioned background art, when using usually, be used for connecting the fixing device who installs the twin-screw, the fixed screw of device accessible is with a series of chemical industry elementary cell processes, reinforced, compression, homogenized device promptly, when reinforced when using, need melt through the machine, if the raw materials melting appears influencing when the equipment uses, probably can lead to producing the problem of internal stress in the extruded material.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double-screw coupling device, includes the barrel, the integral type ring flange is seted up to the one end of barrel, a side surface of ring flange has seted up a section of thick bamboo screw thread, the one end of ring flange is established soon and is adorned and has been connect the screw rod, the charge door has been seted up at the top of barrel, the edge of charge door has seted up the preheating bath, the nestification has been installed to the inside of preheating bath, the nested inboard is inlayed and is equipped with the mica sheet, the heating wire has been installed to the inboard of.

Preferably, the flange plate is provided with four limiting grooves which are arranged at equal intervals.

Preferably, the flange plate is provided with a threaded hole.

Preferably, the screw threads formed on the screw are alternately arranged.

Preferably, the screw is divided into a feeding section, a compression section and a homogenization section.

Preferably, two screw rod screwing grooves are symmetrically formed in the inner side of one end of the cylinder body.

Preferably, four preheating tanks are evenly arranged at the edge of the feed inlet, and the four preheating tanks are attached to the edge of the feed inlet.

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

(1) when the device is used, the preheating groove is formed in the feeding port of the device, the feeding port can be preheated through the electric heating wire in the preheating groove when the device is used, when the device is used for discontinuously feeding materials, the materials can be better preheated, the melting effect of the device is improved, the energy consumption is reduced, the generation of internal stress in extruded materials is prevented, and the practicability of the device is improved;

(2) the limiting groove is formed in the flange plate at one end of the device, when the device is used in a connecting mode, the flange plate arranged on the material cylinder can be correspondingly attached, the limiting protrusion arranged on the flange plate of the material cylinder is aligned with the limiting groove, holes are conveniently aligned, the device is convenient to install, and the practicability of the device is improved.

Drawings

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

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view of the charging opening of the present invention;

fig. 4 is a left side view structural diagram of the cylinder of the present invention;

in the figure: 1. a screw; 2. barrel threads; 3. a flange plate; 4. a feed inlet; 5. a barrel; 6. a preheating tank; 7. an electric heating wire; 8. mica sheets; 9. nesting; 10. a limiting groove.

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.

Examples

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: the utility model provides a double-screw coupling device, which comprises a cylindrical shel 5, the ring flange 3 of integral type is seted up to the one end of barrel 5, a section of thick bamboo screw thread 2 has been seted up to a side surface of ring flange 3, the one end of ring flange 3 is established soon and is connect screw rod 1, charge door 4 has been seted up at the top of barrel 5, preheating bath 6 has been seted up to the edge of charge door 4, nested 9 has been installed to preheating bath 6's inside, nested 9 inboard is inlayed and is equipped with mica sheet 8, heating wire 7 has been installed to mica sheet 8's inboard, when the device is interrupted when reinforced, accessible heating wire 7 preheats charge door 4, can be better preheat the material, improve the melting effect of device, reduce the.

For better installation, in this embodiment, preferably, four limiting grooves 10 are formed in the flange 3, the four limiting grooves 10 are equidistantly formed, the flange 3 is conveniently and rotatably arranged in the hole pair during installation, and for better installation of the charging barrel, in this embodiment, preferably, a threaded hole is formed in the flange 3, for better rotating material extrusion, in this embodiment, preferably, threads formed in the screw 1 are alternately installed, so as to facilitate material extrusion, for better material extrusion, in this embodiment, preferably, the screw 1 is divided into a charging section, a compression section and a homogenizing section, so as to facilitate installation of the screw 1, in this embodiment, preferably, two screw rotary connecting grooves are symmetrically formed in the inner side of one end of the barrel 5, for better waste heat, in this embodiment, preferably, four preheating grooves 6 are uniformly formed in the edge of the charging opening 4, and the four preheating grooves 6 are attached to the edge of the charging opening 4, so that the charging opening 4 can be uniformly preheated.

The utility model discloses a theory of operation and use flow: the device is when using, 4 edges of charge door at barrel 5 have seted up preheating tank 6, heating wire 7 has been installed to preheating tank 6's inside, heating wire 7 inlays to be established in mica sheet 8, heating wire 7 turns into heat energy with the electric energy when using and preheats charge door 4, when the device is interrupted reinforced, can preheat the material of adding, make the better melting of the material of adding, improve the melting effect of device, reduce the energy consumption, prevent to produce the internal stress in the extrusion material, the practicality of the device has been improved, when the device is when installing the use, need establish the feed cylinder at a pot head of barrel 5, set up corresponding spacing arch on the feed cylinder flange, can correspond feed cylinder flange and ring flange 3 during the device, establish with spacing groove 10 counterpoint card through spacing arch, conveniently establish the bolt soon, the convenience when the device installs has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double-screw coupling device, includes barrel (5), flange dish (3) of integral type are seted up to the one end of barrel (5), a section of thick bamboo screw thread (2) have been seted up to a side surface of flange dish (3), the one end of flange dish (3) is established soon and is connect screw rod (1), its characterized in that: feed inlet (4) have been seted up at the top of barrel (5), preheating groove (6) have been seted up to the edge of feed inlet (4), nested (9) have been installed to the inside of preheating groove (6), nested (9) inboard is inlayed and is equipped with mica sheet (8), heating wire (7) have been installed to the inboard of mica sheet (8).

2. A twin-screw coupling device according to claim 1, wherein: four limiting grooves (10) are formed in the flange plate (3), and the four limiting grooves (10) are arranged at equal intervals.

3. A twin-screw coupling device according to claim 2, wherein: the flange plate (3) is provided with a threaded hole.

4. A twin-screw coupling device according to claim 1, wherein: the screw threads arranged on the screw rod (1) are arranged alternately.

5. A twin-screw coupling device according to claim 1, wherein: the screw (1) is divided into a feeding section, a compression section and a homogenization section.

6. A twin-screw coupling device according to claim 1, wherein: two screw rod screwing grooves are symmetrically formed in the inner side of one end of the barrel body (5).

7. A twin-screw coupling device according to claim 1, wherein: four preheating tanks (6) have evenly been seted up in the edge of charge door (4), just four preheating tanks (6) are pasted and are established in the edge of charge door (4).