CN210161581U - Lengthened double-screw extruder - Google Patents
Lengthened double-screw extruder Download PDFInfo
- Publication number
- CN210161581U CN210161581U CN201920526994.9U CN201920526994U CN210161581U CN 210161581 U CN210161581 U CN 210161581U CN 201920526994 U CN201920526994 U CN 201920526994U CN 210161581 U CN210161581 U CN 210161581U
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- China
- Prior art keywords
- screw extruder
- double
- lower hopper
- connecting pipe
- twin
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- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an extended double-screw extruder, including the first double-screw extruder that the level set up and set up in the bottom of the first double-screw extruder and the second double-screw extruder that the discharge direction is opposite with the first double-screw extruder, the one end top that the first double-screw extruder is close to power equipment is provided with the inlet pipe, the other end top of the first double-screw extruder is provided with the charging means, be provided with the connecting pipe in the other end bottom of the first double-screw extruder, and the connecting pipe is communicated with the one end top that the second double-screw extruder is close to power equipment, be provided with extrusion tooling in the one end that the second double-screw extruder kept away from power equipment; heating sleeves are further sleeved outside the first double-screw extruder and the second double-screw extruder, and temperature sensors are further arranged in the heating sleeves; the utility model discloses a with the stack setting of first twin-screw extruder and second twin-screw extruder, can effectually mix major ingredient and auxiliary material, and can control the water content of extruded material.
Description
Technical Field
The utility model relates to an extension double screw extruder belongs to extruder equipment field.
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 the molding processing of extruded products at present; for the basic mechanism of the extrusion process, simply a screw rotates in the barrel and pushes the plastic forward, the screw structure being a ramp or ramp wound around the center layer with the purpose of increasing the pressure to overcome the greater resistance; however, when the existing extruder is used, the existing extruder is often used as a single extruding mechanism, and materials are added after being put into the extruder for processing, so that the materials are difficult to be fully mixed; and some materials have less moisture under the temperature control of the extruder, so that the extruder cannot work normally due to material caking, and the efficiency is delayed.
Disclosure of Invention
For solving prior art's not enough, the utility model provides an extension double screw extruder sets up first pair of screw extruder and the stack of second pair of screw extruder and realizes "extension", can effectually mix major ingredient and auxiliary material, and can control the water content of extruded material.
The utility model discloses the technical scheme who adopts does:
a lengthened double-screw extruder comprises a first double-screw extruder and a second double-screw extruder, wherein the first double-screw extruder is horizontally arranged, the second double-screw extruder is arranged at the bottom of the first double-screw extruder, the discharging direction of the second double-screw extruder is opposite to that of the first double-screw extruder, a feeding pipe is arranged at the top of one end, close to power equipment, of the first double-screw extruder, a feeder is arranged at the top of the other end of the first double-screw extruder, a connecting pipe is arranged at the bottom of the other end of the first double-screw extruder, the connecting pipe is communicated with the top of one end, close to the power equipment, of the second double-screw extruder; and heating sleeves are sleeved outside the first double-screw extruder and the second double-screw extruder, and temperature sensors are arranged in the heating sleeves.
Preferably, the charging means includes hopper and the agitating unit of setting hopper central point put under, agitating unit's (mixing) shaft alternates inside first pair screw extruder and extend to the connecting tube in, and be located and be provided with the unloading flight on the inside (mixing) shaft of first pair screw extruder, be located and be provided with a plurality of stirring rod on the (mixing) shaft of connecting tube.
Preferably, a supporting plate for supporting the stirring device is arranged at the top of the lower hopper and at the feed opening of the lower hopper, a plurality of feed passages are formed in the supporting plate, and the supporting plate is rotatably connected with the stirring device.
Further preferably, a water pipe is arranged around the inner edge of the top of the discharging hopper, a plurality of spray heads are arranged on the water pipe, and the spraying direction of each spray head faces to the discharging opening of the discharging hopper.
Further preferably, a shock absorption pad is arranged between the first double-screw extruder and the second double-screw extruder, and the shock absorption pad can effectively reduce the shock between the first double-screw extruder and the second double-screw extruder.
The beneficial effects of the utility model reside in that:
the main material is extruded by a first double-screw extruder under the heating of a heating sleeve, then is fully stirred and mixed with the auxiliary material under the action of a feeder, is sent to a second double-screw extruder to be extruded, and is effectively mixed with the auxiliary material; the inner edge surrounding the top of the discharging hopper is provided with a water pipe, so that the water content of the material is controlled.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the feeder;
the main reference numerals in the figures have the following meanings:
1. the device comprises a first double-screw extruder, a second double-screw extruder, a feeding pipe, a feeder, a connecting pipe, an extrusion die, a heating sleeve, a temperature sensor, a supporting plate, a damping pad, a discharging hopper, a stirring device, a stirring shaft, a discharging spiral sheet, a stirring rod 46 and a water pipe, wherein the first double-screw extruder is 2, the second double-screw extruder is 3, the feeding pipe is 4, the.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-2: the embodiment is a lengthened double-screw extruder, which comprises a first double-screw extruder 1 and a second double-screw extruder 2, wherein the first double-screw extruder 1 is horizontally arranged, the discharging direction of the second double-screw extruder 2 is opposite to that of the first double-screw extruder 1, a feeding pipe 3 is arranged at the top of one end, close to power equipment, of the first double-screw extruder 1, a feeder 4 is arranged at the top of the other end of the first double-screw extruder 1, a connecting pipe 5 is arranged at the bottom of the other end of the first double-screw extruder 1, the connecting pipe 5 is communicated with the top of one end, close to the power equipment, of the second double-screw extruder 2, and an extrusion mold 6 is arranged at one end, far away from the power; a heating sleeve 7 is further sleeved outside the first double-screw extruder 1 and the second double-screw extruder 2, a temperature sensor 8 is further arranged in the heating sleeve 7, and a shock absorption pad 10 is arranged between the first double-screw extruder 1 and the second double-screw extruder 2.
Referring to fig. 2, the feeder 4 includes a discharge hopper 41 and a stirring device 42 disposed at a central position of the discharge hopper 41, a stirring shaft 43 of the stirring device 42 penetrates through the first twin-screw extruder 1 and extends into the connecting pipe 5, a discharge spiral sheet 44 is disposed on the stirring shaft 43 inside the first twin-screw extruder 1, and a plurality of stirring rods 45 are disposed on the stirring shaft 43 of the connecting pipe 5.
Referring to fig. 2, a supporting plate 9 for supporting the stirring device is respectively disposed at the top of the lower hopper 41 and the discharge opening of the lower hopper 41, a plurality of discharge passages are formed on the supporting plate 9, and the supporting plate 9 is rotatably connected to the stirring device 42.
Referring to fig. 2, a water pipe 46 is disposed around the inner edge of the top of the lower hopper 41, and a plurality of nozzles are disposed on the water pipe 46, and the nozzles spray in a direction toward the lower outlet of the lower hopper 41.
The utility model discloses a theory of operation does:
setting the temperature of a heating sleeve 7 to a required value, adding the main materials into a feeding pipe 3 after the numerical value transmitted by a temperature sensor 8 reaches a set value, and mixing and conveying the main materials at a specific temperature under the drive of a first twin-screw extruder 1; the auxiliary materials are added to the tail part of the first double-screw extruder 1 through a feeding hopper 41 of a feeder 4, the auxiliary materials and the main materials are conveyed downwards after being mixed by a feeding spiral sheet 44, the mixed materials are fully stirred and mixed by a stirring rod 45, and then the materials are extruded and molded through an extrusion die 6 under the action of the second double-screw extruder 2; if the moisture content of the extruded product is reduced, a certain amount of moisture is added through a water pipe 46 provided at the inner edge of the top of the lower hopper 41 to control the moisture content of the extruded product.
The utility model provides an extension double screw extruder, the major ingredient is extruded through first double screw extruder under the heating of heating jacket, then fully stirs under the effect of charging means and mixes and is sent to second double screw extruder and is extruded, carries out effectual mixture with the minor ingredient; the inner edge surrounding the top of the discharging hopper is provided with a water pipe, so that the water content of the material is controlled.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A lengthening double-screw extruder is characterized in that: the extruder comprises a first double-screw extruder (1) and a second double-screw extruder (2), wherein the first double-screw extruder (1) is horizontally arranged, the discharging direction of the second double-screw extruder (2) is opposite to that of the first double-screw extruder (1), a feeding pipe (3) is arranged at the top of one end, close to power equipment, of the first double-screw extruder (1), a feeder (4) is arranged at the top of the other end of the first double-screw extruder (1), a connecting pipe (5) is arranged at the bottom of the other end of the first double-screw extruder (1), the connecting pipe (5) is communicated with the top of one end, close to the power equipment, of the second double-screw extruder (2), and an extruding mold (6) is arranged at one end, far away from the power equipment, of; the heating sleeve (7) is further sleeved outside the first double-screw extruder (1) and the second double-screw extruder (2), and a temperature sensor (8) is further arranged in the heating sleeve (7).
2. The lengthened double-screw extruder of claim 1, wherein the feeder (4) comprises a lower hopper (41) and a stirring device (42) arranged at the center of the lower hopper (41), a stirring shaft (43) of the stirring device (42) penetrates through the inside of the first double-screw extruder (1) and extends into the connecting pipe (5), a feeding spiral sheet (44) is arranged on the stirring shaft (43) in the first double-screw extruder (1), and a plurality of stirring rods (45) are arranged on the stirring shaft (43) in the connecting pipe (5).
3. The lengthened double-screw extruder as recited in claim 2, wherein a supporting plate (9) for supporting the stirring device is respectively arranged at the top of the lower hopper (41) and the discharge opening of the lower hopper (41), a plurality of discharge channels are formed on the supporting plate (9), and the supporting plate (9) is rotatably connected with the stirring device (42).
4. The elongated twin-screw extruder according to claim 2, wherein a water pipe (46) is arranged around the inner edge of the top of the lower hopper (41), a plurality of spray heads are arranged on the water pipe (46), and the spray direction of the spray heads faces to the lower opening of the lower hopper (41).
5. An elongated twin-screw extruder according to claim 1, characterised in that a shock-absorbing pad (10) is arranged between the first twin-screw extruder (1) and the second twin-screw extruder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920526994.9U CN210161581U (en) | 2019-04-18 | 2019-04-18 | Lengthened double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920526994.9U CN210161581U (en) | 2019-04-18 | 2019-04-18 | Lengthened double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210161581U true CN210161581U (en) | 2020-03-20 |
Family
ID=69789949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920526994.9U Expired - Fee Related CN210161581U (en) | 2019-04-18 | 2019-04-18 | Lengthened double-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210161581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256605A (en) * | 2022-08-08 | 2022-11-01 | 上海市机电设计研究院有限公司 | Ceramic fiber filter member extrusion forming device and method |
-
2019
- 2019-04-18 CN CN201920526994.9U patent/CN210161581U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256605A (en) * | 2022-08-08 | 2022-11-01 | 上海市机电设计研究院有限公司 | Ceramic fiber filter member extrusion forming device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200320 Termination date: 20210418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |