CN211074634U - Material extruder - Google Patents
Material extruder Download PDFInfo
- Publication number
- CN211074634U CN211074634U CN201922090269.4U CN201922090269U CN211074634U CN 211074634 U CN211074634 U CN 211074634U CN 201922090269 U CN201922090269 U CN 201922090269U CN 211074634 U CN211074634 U CN 211074634U
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- Prior art keywords
- extrusion
- cavity
- extruding
- feeding
- exhaust
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- 239000000463 material Substances 0.000 title claims abstract description 57
- 238000001125 extrusion Methods 0.000 claims abstract description 106
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 210000003934 vacuole Anatomy 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a material extruder, including extruding the cavity and extruding the screw rod, the one end top of extruding the cavity is provided with the feed inlet, the other end of extruding the cavity is provided with the extrusion opening, extruding the screw rod and rotate and be connected to in extruding the cavity, actuating mechanism drive extruding the screw rod and rotate in extruding the cavity, extruding the cavity and including the feeding chamber and the extrusion chamber that communicate each other, the feed inlet communicates to feeding chamber, the extrusion opening communicates to extruding the cavity, extruding the diameter in cavity is greater than feeding chamber; the extrusion screw comprises a feeding part and an extrusion part, the feeding part is positioned in the feeding cavity, the extrusion part is positioned in the extrusion cavity, and the diameter of the extrusion part is larger than that of the feeding part. The device can effectively discharge the water vapor inside the extruder, so that the water vapor cannot be discharged through the extrusion port, the continuity of materials and the quality of products are ensured, and the extrusion efficiency of the extruder can be further improved.
Description
Technical Field
The utility model relates to a former field, more specifically, the utility model relates to a material extruder.
Background
The extruder is mainly used for producing and processing hot-melt materials such as plastics, and the screw extruder is used for carrying out mixed extrusion or melting on the materials by means of pressure and shearing force generated by rotation of a screw and carrying out die forming.
In the working process of the extruder, generally, the material is internally provided with moisture, or the material is subjected to a reaction in the mixing and melting process to generate a certain amount of moisture, in the extrusion molding process, the moisture can be evaporated due to heat generated by friction extrusion, a large amount of water vapor is generated in the extruder, and the water vapor can be propelled along with the rotation of the screw rod to reach the extrusion port for ejection, so that the extrusion molding efficiency is influenced, and the extrusion molding quality is greatly influenced.
Therefore, a new material extruder is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at solve current extruder and influence the problem of extruding the effect because of vapor.
According to one aspect of the utility model, a material extruder is provided, which comprises an extrusion cavity and an extrusion screw, wherein a feed inlet is arranged at the top of one end of the extrusion cavity, an extrusion port is arranged at the other end of the extrusion cavity, the extrusion screw is rotationally connected into the extrusion cavity, a driving mechanism drives the extrusion screw to rotate in the extrusion cavity, the extrusion cavity comprises a feed cavity and an extrusion cavity which are communicated with each other, the feed inlet is communicated with the feed cavity, the extrusion port is communicated with the extrusion cavity, and the diameter of the extrusion cavity is larger than that of the feed cavity; the extrusion screw comprises a feeding part and an extrusion part, the feeding part is positioned in the feeding cavity, the extrusion part is positioned in the extrusion cavity, and the diameter of the extrusion part is larger than that of the feeding part.
Through this scheme, the material is crowded back of extruding the chamber into, can be extruding the chamber and be close to the local vacuole formation in feeding chamber because the increase in space, and the material is piled up the extrusion at extrusion mouthful position and is made vapor can flow along the comparatively loose place of material to discharge through feeding chamber and feed inlet. The device can effectively discharge the water vapor inside the extruder, so that the water vapor cannot be discharged through the extrusion port, the continuity of materials and the quality of products are ensured, and the extrusion efficiency of the extruder can be further improved.
Preferably, the feeding hole is provided with a feeding funnel and an exhaust pipe, and the exhaust pipe is arranged on one side of the bottom of the feeding funnel.
Through this scheme, be convenient for exhaust to can not influence during the material gets into the feeding chamber.
Preferably, an air outlet is arranged at one end of the extrusion cavity close to the feeding cavity and communicated to the exhaust pipe; and a filter is arranged on the exhaust port.
Through this scheme, be convenient for in time exhaust, avoid the closely knit degree of material higher, vapor can't discharge through the feeding chamber.
Preferably, a spiral barrier strip is arranged on the inner wall of the extrusion cavity, and the spiral direction of the barrier strip is consistent with the spiral direction of the extrusion screw.
By the scheme, the compactness of the material in the extrusion cavity is improved, and water vapor is prevented from being discharged through the extrusion port; the pressure and the friction force of the material in the extrusion cavity are improved, the temperature rise of the material is facilitated, and the moisture in the material is discharged in time.
Preferably, one side of the barrier strip, which is close to the inner wall of the extrusion cavity, is provided with a plurality of vent holes, and the vent holes are through holes.
Through this scheme, help making the vapor that closely knit high material produced to discharge backward through the exhaust hole, and then reach the gas vent.
Preferably, one side of the barrier strip, which is close to the extrusion port, is provided with a plurality of exhaust grooves, and the exhaust grooves are communicated with the exhaust holes; the exhaust grooves are perpendicular to the inner wall of the extrusion cavity.
Through this scheme, the direction of arranging of air discharge duct is perpendicular with the spiral direction of advance of material, can keep the patency of air discharge duct, helps keeping away from the vapor that the material of extruding the intracavity wall produced and gets into the exhaust hole along the air discharge duct to discharge.
The utility model has the advantages of, this material extruder helps in time discharging the moisture in the material, avoids piling up of vapor to lead to the vapor that the increase leads to of pressing in through extruding the hole discharge, consequently this device can improve the extrusion quality and extrude the effect.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of a material extruder according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a material extruder according to the second embodiment of the present invention.
Fig. 3 is a schematic diagram of the structure at a in fig. 2.
Fig. 4 is a schematic view of the structure of a baffle plate in the material extruder of fig. 2.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Example one
As shown in fig. 1, the material extruder in this embodiment includes an extrusion cavity 1100 and an extrusion screw 1200, a top of one end of the extrusion cavity 1100 is provided with a feed inlet 1130, the other end of the extrusion cavity 1100 is provided with an extrusion outlet 1140, the extrusion screw 1200 is rotatably connected to the extrusion cavity 1100, a driving mechanism 1300 drives the extrusion screw 1200 to rotate in the extrusion cavity 1100, the extrusion cavity 1100 includes a feed cavity 1110 and an extrusion cavity 1120 which are communicated with each other, the feed inlet 1130 is communicated to the feed cavity 1110, the extrusion outlet 1140 is communicated to the extrusion cavity 1120, and the diameter of the extrusion cavity 1120 is larger than that of the feed cavity 1110; the extrusion screw 1200 comprises a feeding part 1210 and an extruding part 1220, wherein the feeding part 1210 is positioned in the feeding cavity 1110, the extruding part 1220 is positioned in the extruding cavity 1120, and the diameter of the extruding part 1220 is larger than that of the feeding part 1210.
With this embodiment, after the material is extruded into the extrusion chamber 1220, a cavity is formed in the extrusion chamber 1220 near the feeding chamber 1210 due to the increase of the space, the water vapor will temporarily accumulate in the cavity, and the material is piled up and extruded at the position of the extrusion opening 1140, so that the water vapor will flow along the looser material, and thus be discharged through the feeding chamber 1110 and the feeding opening 1130. The device can effectively discharge the water vapor inside the extruder, so that the water vapor cannot be discharged through the extrusion port, the continuity of materials and the quality of products are ensured, and the extrusion efficiency of the extruder can be further improved.
In this embodiment or other embodiments, the feeding inlet 1130 is provided with a feeding funnel 1131 and an exhaust pipe 1150, and the exhaust pipe 1150 is disposed on a bottom side of the feeding funnel 1131. Venting is facilitated and does not interfere with the entry of material into the feed cavity 1110.
The extrusion port 1140 in this embodiment is located on an extrusion plate, the extrusion plate plugs the extrusion cavity 1100 to form a closed space, and the extrusion plate is provided with the extrusion port 1140.
Example two
As shown in fig. 2 to 4, in the material extruder of this embodiment, on the basis of the technical solution of the above embodiment, an exhaust port 1151 is disposed at one end of the extrusion cavity 1120 close to the feeding cavity 1110, and the exhaust port 1151 is communicated to the exhaust pipe 1150; a filter 1152 is provided on the exhaust port 1151. Be convenient for in time exhaust, avoid the closely knit degree of material higher, vapor can't discharge through feeding chamber 1110. The filter 1152 can filter the material to prevent the material from passing through the vent 1151 or blocking the vent 1151. The filter 1152 may be, for example, a common filter screen or may be made of a material such as activated carbon, and has a high density, an adsorption function, and a drying function.
In this embodiment or other embodiments, a spiral-shaped barrier 1230 is disposed on an inner wall of the extrusion cavity 1120, and a spiral direction of the barrier 1230 is the same as a spiral direction of the extrusion screw 1200. The blocking function of the blocking strips 1230 can interact with the extrusion screw 1200 to extrude the material and increase the pressure, so that the compactness of the material in the extrusion cavity 1120 is improved, and the water vapor is prevented from being discharged through the extrusion port 1140; the pressure and the friction force of the material in the extrusion cavity 1120 are improved, the temperature rise of the material is facilitated, the moisture in the material is discharged in time, and the quality of the extruded product is improved.
In this embodiment or other embodiments, a plurality of vent holes 1231 are disposed on a side of the barrier 1230 close to the inner wall of the extrusion cavity 1120, and the vent holes 1231 are through holes. The steam generated by the high-density material is discharged to the exhaust port 1151 through the exhaust hole 1231. During the screw conveyance, the generated water vapor rises to reach the position of the top inner wall of the extrusion chamber 1120, and can be discharged through the vent hole 1231.
In this embodiment or other embodiments, a plurality of exhaust grooves 1232 are disposed on a side of the barrier 1230 close to the extrusion opening 1140, and the exhaust grooves 1232 are all communicated to the exhaust holes 1231; the vent grooves 1232 are all perpendicular to the inner wall of the extrusion chamber 1120. The direction of arranging of exhaust groove 1232 is perpendicular with the spiral direction of advance of material, avoids the material to remove along exhaust groove 1232 at the removal in-process, and then avoids the material to get into exhaust groove 1232 to can keep exhaust groove 1232's unobstructed nature, the vapor that helps keeping away from the material production of extruding chamber 1120 inner wall gets into exhaust hole 1231 along exhaust groove 1232, thereby discharges.
The technical scheme in this embodiment can further improve exhaust effect to further improve this device's drying function, make the material dry more evenly.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (6)
1. A material extruder comprises an extrusion cavity and an extrusion screw, wherein a feed inlet is formed in the top of one end of the extrusion cavity, an extrusion port is formed in the other end of the extrusion cavity, the extrusion screw is rotationally connected into the extrusion cavity, and a driving mechanism drives the extrusion screw to rotate in the extrusion cavity; the extrusion screw comprises a feeding part and an extrusion part, the feeding part is positioned in the feeding cavity, the extrusion part is positioned in the extrusion cavity, and the diameter of the extrusion part is larger than that of the feeding part.
2. The material extruder according to claim 1, wherein a feed hopper and an exhaust pipe are arranged on the feed inlet, and the exhaust pipe is arranged on one side of the bottom of the feed hopper.
3. The material extruder of claim 2, wherein an end of the extrusion cavity near the feed cavity is provided with an exhaust port, and the exhaust port is communicated to the exhaust pipe; and a filter is arranged on the exhaust port.
4. The material extruder according to claim 3, wherein a helical barrier is arranged on the inner wall of the extrusion cavity, and the helical direction of the barrier is consistent with that of the extrusion screw.
5. The material extruder as claimed in claim 4, wherein a plurality of vent holes are arranged on one side of the barrier strip close to the inner wall of the extrusion cavity, and the vent holes are through holes.
6. The material extruder as claimed in claim 5, wherein a plurality of exhaust grooves are arranged on one side of the barrier strip close to the extrusion port, and the exhaust grooves are communicated with the exhaust holes; the exhaust grooves are perpendicular to the inner wall of the extrusion cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922090269.4U CN211074634U (en) | 2019-11-28 | 2019-11-28 | Material extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922090269.4U CN211074634U (en) | 2019-11-28 | 2019-11-28 | Material extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211074634U true CN211074634U (en) | 2020-07-24 |
Family
ID=71640181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922090269.4U Active CN211074634U (en) | 2019-11-28 | 2019-11-28 | Material extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211074634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311520A (en) * | 2020-09-30 | 2022-04-12 | 苏州苏模仪器有限公司 | Screw extruder for impact-proof injection mold |
-
2019
- 2019-11-28 CN CN201922090269.4U patent/CN211074634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311520A (en) * | 2020-09-30 | 2022-04-12 | 苏州苏模仪器有限公司 | Screw extruder for impact-proof injection mold |
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