CN213767120U

CN213767120U - Lengthened double-screw extruder

Info

Publication number: CN213767120U
Application number: CN202021471582.9U
Authority: CN
Inventors: 徐旭
Original assignee: Jiangxi Tefa New Material Technology Co ltd
Current assignee: Jiangxi Tefa New Material Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-07-23
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses an extension double screw extruder relates to screw extruder technical field, the utility model discloses a device, stock chest and last feed cylinder are cut to fixed plate, screw motor, extrusion screw, urceolus, water, and the screw motor includes screw motor body and screw motor support, surface weld on screw motor support lower surface and the fixed plate, and screw motor body passes through the screw thread screw with screw motor support and is connected, and the urceolus is hollow structure, and extrusion screw installs in the urceolus. The utility model discloses in, through setting up the extrusion screw, through the coaxial rotatory motion characteristic who utilizes different spiral shell pieces, play the different processing to the raw materials, through setting up the water jet cutter, can control the shape size of the ejection of compact through the rotation rate of control sword.

Description

Lengthened double-screw extruder

Technical Field

The utility model relates to a screw extruder technical field, in particular to extension double screw extruder.

Background

With the development of various new materials and the demand of production processing, the production efficiency needs to be improved by optimizing the structure or principle of different automatic machines, and for some plastics, high polymers and the like, the structural reasonability of the plastics, the high polymers and the like directly influences the quality level of finished products in extrusion forming.

The existing screw extruder cannot mix various materials uniformly before heating in the heating and mixing process, and air holes or cavities may exist in a material body in the subsequent mixing process, but the existing screw extruder cannot supplement the materials in time, so that certain limitation exists. To this end, we propose an extended twin-screw extruder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an extension double screw extruder through increasing its corresponding functional structure, effectively cooperates service environment and user demand, can effectively solve current screw extruder, in the heating mixing process, can not be with various material misce bene before the heating to and there may be gas pocket or hole in the follow-up mixing in-process material body, and current screw extruder can't be to it and when going on supply the scheduling problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lengthened double-screw extruder comprises a fixing plate, a screw motor, an extrusion screw, an outer barrel, a water cutting device, a material storage tank and a material feeding barrel, wherein the screw motor comprises a screw motor body and a screw motor support, the lower surface of the screw motor support is welded with the upper surface of the fixing plate, the screw motor body is connected with the screw motor support through a threaded screw hole, the outer barrel is of a hollow structure, the extrusion screw is installed in the outer barrel, the outer barrel comprises an outer barrel body and an outer barrel support, the lower surfaces of the outer barrel support are all welded with the upper surface of the fixing plate, the outer barrel body is connected with the outer barrel support through a threaded screw hole, the water cutting device comprises a water cutting motor and a water cutting motor support, the lower surface of the water cutting motor support is welded with the upper surface of the fixing plate, the water cutting motor is connected with the water cutting motor support through a threaded screw hole, the fixed plate upper surface is equipped with the spacing groove, the stock chest lower surface is connected with the spacing groove, it includes feed cylinder body and material loading support to go up the feed cylinder, material loading support lower surface and fixed plate upper surface welding, a material loading support surface is equipped with the mounting groove, it installs in the mounting groove to go up the feed cylinder body.

Preferably, the screw motor further comprises a driving wheel and a driven wheel, a first motor rotating shaft is arranged on one surface of the screw motor, the driving wheel is in rotating fit with the first motor rotating shaft, and the driven wheels are meshed with the driving wheel.

Preferably, the extrusion screw comprises an extrusion screw body, a conveying screw block, a melting zone screw block, a mixing screw block and an outer conveying screw block, a positioning pin is arranged at one end of the extrusion screw body, the driven wheel is in rotating fit with the extrusion screw body through the positioning pin, the conveying screw block, the melting zone screw block, the mixing screw block and the outer conveying screw block are all welded on the peripheral side face of the extrusion screw body, and the structure plays a role in different processing of raw materials by utilizing the coaxial rotating motion characteristics of different screw blocks.

Preferably, the outer barrel further comprises a heating bin, a mesh-shaped discharging cover and a baffle, the heating bin is of a hollow structure, the position of the heating bin is matched with the position of a melting zone screw block, the mesh-shaped discharging cover is installed at one end of the outer barrel body, one surface of the baffle is welded with one surface of the mesh-shaped discharging cover, and the structure can conveniently control the flowing of a material body and the temperature of the material body.

Preferably, the water cutting device further comprises a water cutter, a second motor rotating shaft is arranged on one surface of the water cutting motor, the water cutter is in rotating fit with the second motor rotating shaft, and the structure can control the shape and size of discharged materials by controlling the rotating speed of the cutter.

Preferably, the feeding barrel further comprises a discharging pipe, the upper end of the discharging pipe is welded to the lower surface of the feeding barrel body, a mounting opening is formed in the outer side surface of the outer barrel, the lower end of the discharging pipe is connected with the mounting opening, automatic control blanking can be conveniently achieved through the structure, and the blanking amount can be conveniently and strictly controlled.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through setting up the extrusion screw, through the coaxial rotatory motion characteristic who utilizes different spiral shell pieces, play the different processing to the raw materials.

The utility model discloses in, through setting up the water-jet cutter, can control the shape size of the ejection of compact through the rotation rate of control sword.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of an extended twin-screw extruder according to the present invention;

FIG. 2 is a schematic left-view structural diagram of an extended twin-screw extruder of the present invention;

FIG. 3 is a schematic diagram of a right-view structure of the extended twin-screw extruder of the present invention;

fig. 4 is a schematic cross-sectional view taken along line B-B of fig. 3 according to the present invention.

In the figure: 100. a fixing plate; 200. a screw motor; 210. a screw motor support; 220. a driving wheel; 230. a driven wheel; 300. extruding the screw; 310. conveying the screw blocks; 320. a melt zone flight; 330. mixing a screw block; 340. an output screw block; 400. an outer cylinder; 410. an outer cylinder bracket; 420. a heating chamber; 430. a mesh-shaped discharging cover; 440. a baffle plate; 500. a water cutting device; 510. a water cutting motor; 520. a water cutting motor support; 530. a water cutter; 600. a storage tank; 700. feeding a material barrel; 710. a feeding support; 720. and discharging the material pipe.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-4, the present invention relates to an extended twin-screw extruder, which comprises a fixing plate 100, a screw motor 200, an extrusion screw 300, an outer barrel 400, a water cutting device 500, a material storage tank 600 and an upper material barrel 700, wherein the screw motor 200 comprises a screw motor body and a screw motor support 210, the lower surface of the screw motor support 210 is welded to the upper surface of the fixing plate 100, the screw motor body is connected to the screw motor support 210 through a threaded screw hole, the outer barrel 400 is of a hollow structure, the extrusion screw 300 is installed in the outer barrel 400, the outer barrel 400 comprises an outer barrel body and an outer barrel support 410, the lower surfaces of the outer barrel supports 410 are all welded to the upper surface of the fixing plate 100, the outer barrel body is connected to the outer barrel support 410 through a threaded screw hole, the water cutting device 500 comprises a water cutting motor 510 and a water cutting motor support 520, the lower surface of the water cutting motor support 520 is welded to the upper surface of the fixing plate 100, motor 510 is cut to water and motor support 520 is connected through threaded screw with water, and fixed plate 100 upper surface is equipped with the spacing groove, and the lower surface of stock chest 600 is connected with the spacing groove, and material loading section of thick bamboo 700 includes material loading section of thick bamboo body and material loading support 710, and material loading support 710 lower surface and fixed plate 100 upper surface weld, a material loading support 710 surface are equipped with the mounting groove, and material loading section of thick bamboo body is installed in the mounting groove.

Further, screw motor 200 still includes action wheel 220 and follows driving wheel 230, and screw motor 200 one surface is equipped with first motor rotation axis, and action wheel 220 and first motor rotation axis normal running fit, a plurality of follow driving wheels 230 all mesh with action wheel 220 mutually, and this structure can provide power for the system well, can pass through the running state of this structure controlgear.

Further, the extrusion screw 300 includes an extrusion screw body, a conveying screw block 310, a melting zone screw block 320, a mixing screw block 330 and an external screw block 340, a positioning pin is provided at one end of the extrusion screw body, the driven wheel 230 is in rotation fit with the extrusion screw body through the positioning pin, the conveying screw blocks 310, the melting zone screw block 320, the mixing screw block 330 and the external screw block 340 are all welded on the peripheral side surface of the extrusion screw body, and the structure plays a role in different processing of raw materials by utilizing the coaxial rotation motion characteristics of different screw blocks.

Further, the outer cylinder 400 further includes a heating bin 420, a mesh-shaped discharging cover 430 and a baffle 440, the heating bin 420 is of a hollow structure, the position of the heating bin 420 is matched with the position of the melting zone screw block 320, the mesh-shaped discharging cover 430 is installed at one end of the outer cylinder body, one surface of the baffle 440 is welded with one surface of the mesh-shaped discharging cover 430, and the structure can conveniently control the flow of the material body and the temperature of the material body.

Further, the water cutting device 500 further comprises a water cutting knife 530, a second motor rotating shaft is arranged on one surface of the water cutting motor 510, the water cutting knife 530 is in rotating fit with the second motor rotating shaft, and the structure can control the shape and size of discharged materials by controlling the rotating speed of the knife.

Further, go up feed cylinder 700 and still include blowing pipe 720, and blowing pipe 720 upper end welds in last feed cylinder body lower surface, and urceolus 400 outside surface is equipped with the installing port, and blowing pipe 720 lower extreme is connected with the installing port, and this structure can make things convenient for the automatic control unloading, can make things convenient for the volume of close check unloading.

Example two:

referring to fig. 1-4, the present invention relates to an extended twin-screw extruder, wherein the model of the screw motor 200 is QABP90S4A, and the model of the water cutting motor 510 is 90ZYT51, and the basic principle of the present invention is as follows: the raw materials enter the outer barrel 400 through the first upper charging barrel 700, enter the melting zone screw block 320 under the drive of the conveying screw block 310, the pitch of the melting zone screw block 320 is close, the deflection angle is small, the materials slowly advance, at the moment, the materials are mixed and slowly filled in the zone, the raw materials are melted under the heating of the heating bin 420, enter the mixing screw block 330, the raw materials can be supplemented or added with other materials from the other upper charging barrel 700 in the zone, the outer barrel 400 is extruded under the drive of the outer conveying screw block 340 after mixing in the zone, and the extruded strip-shaped materials can be processed into finished materials with uniform particles under the action of the water cutting device 500.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a extension twin-screw extruder, includes fixed plate (100), screw motor (200), extrusion screw (300), urceolus (400), water and cuts device (500), stock chest (600) and last feed cylinder (700), its characterized in that: the screw motor (200) comprises a screw motor body and a screw motor support (210), the lower surface of the screw motor support (210) is welded with the upper surface of the fixing plate (100), the screw motor body is connected with the screw motor support (210) through a threaded screw hole, the outer barrel (400) is of a hollow structure, the extrusion screw (300) is installed in the outer barrel (400), the outer barrel (400) comprises an outer barrel body and an outer barrel support (410), the lower surface of the outer barrel support (410) is welded with the upper surface of the fixing plate (100), the outer barrel body is connected with the outer barrel support (410) through the threaded screw hole, the water cutting device (500) comprises a water cutting motor (510) and a water cutting motor support (520), the lower surface of the water cutting motor support (520) is welded with the upper surface of the fixing plate (100), the water cutting motor (510) is connected with the water cutting motor support (520) through the threaded screw hole, the utility model discloses a material loading device, including fixed plate (100), stock chest (600), feeding support (710), mounting groove, fixing plate (100) upper surface is equipped with the spacing groove, stock chest (600) lower surface is connected with the spacing groove, feeding cylinder (700) are including feeding cylinder body and feeding support (710), feeding support (710) lower surface and fixed plate (100) upper surface welding, a feeding support (710) surface is equipped with the mounting groove, feeding cylinder body installs in the mounting groove.

2. An elongated twin-screw extruder according to claim 1, characterised in that: the screw motor (200) further comprises a driving wheel (220) and driven wheels (230), a first motor rotating shaft is arranged on one surface of the screw motor (200), the driving wheel (220) is in rotating fit with the first motor rotating shaft, and the driven wheels (230) are meshed with the driving wheel (220).

3. An elongated twin-screw extruder according to claim 2, characterised in that: the extrusion screw (300) comprises an extrusion screw body, a conveying screw block (310), a melting zone screw block (320), a mixing screw block (330) and an outer conveying screw block (340), wherein a positioning pin is arranged at one end of the extrusion screw body, a driven wheel (230) is in rotating fit with the extrusion screw body through the positioning pin, and the conveying screw block (310), the melting zone screw block (320), the mixing screw block (330) and the outer conveying screw block (340) are all welded to the peripheral side face of the extrusion screw body.

4. An elongated twin-screw extruder according to claim 3, characterised in that: the outer barrel (400) further comprises a heating bin (420), a mesh-shaped discharging cover (430) and a baffle (440), the heating bin (420) is of a hollow structure, the position of the heating bin (420) is matched with the position of the melting zone screw block (320), the mesh-shaped discharging cover (430) is installed at one end of the outer barrel body, and one surface of the baffle (440) is welded with one surface of the mesh-shaped discharging cover (430).

5. An elongated twin-screw extruder according to claim 1, characterised in that: the water cutting device (500) further comprises a water cutting knife (530), a second motor rotating shaft is arranged on one surface of the water cutting motor (510), and the water cutting knife (530) is in rotating fit with the second motor rotating shaft.

6. An elongated twin-screw extruder according to claim 1 or 4, characterised in that: go up feed cylinder (700) and still include blowing pipe (720), blowing pipe (720) upper end welds in last feed cylinder body lower surface, urceolus (400) outside surface is equipped with the installing port, blowing pipe (720) lower extreme is connected with the installing port.