CN110126236A - Diameter progressive screw and the thermoplastic granulates material molten extrusion device for using diameter progressive screw - Google Patents
Diameter progressive screw and the thermoplastic granulates material molten extrusion device for using diameter progressive screw Download PDFInfo
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- CN110126236A CN110126236A CN201910515982.0A CN201910515982A CN110126236A CN 110126236 A CN110126236 A CN 110126236A CN 201910515982 A CN201910515982 A CN 201910515982A CN 110126236 A CN110126236 A CN 110126236A
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- 230000000750 progressive effect Effects 0.000 title claims abstract description 54
- 239000000463 material Substances 0.000 title claims abstract description 44
- 238000001125 extrusion Methods 0.000 title claims abstract description 26
- 239000008187 granular material Substances 0.000 title claims abstract description 20
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 20
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 61
- 238000001816 cooling Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 238000010146 3D printing Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 230000004069 differentiation Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/6801—Barrels or cylinders characterised by the material or their manufacturing process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of diameter progressive screws, and including gripping section, feed zone, homogenizing zone and the extruding zone being sequentially connected, the outer surface of the feed zone, homogenizing zone and extruding zone is equipped with thread-like groove, and the diameter of screw rod is gradually reduced by feed zone to extruding zone.The beneficial effects of the present invention are: provide a kind of diameter progressive screw, the outer screw diameter is small, light weight, the groove depth of its thread-like groove is gradually decreased by feed end to discharge end, cooperate the heating cylinder of extrusion device, thermoplastic granulates material can be allowed gradually to be compressed after melted by heating in heating cylinder, and certain pressure is kept to convey to nozzle direction, realize more preferable more stable extrusion effect.
Description
Technical field
The present invention relates to 3D printing equipment technical fields, refer in particular to a kind of diameter progressive screw and the thermoplastic using diameter progressive screw
Property granular materials melt extrusion apparatus.
Background technique
3D printing (3DP) i.e. one kind of rapid shaping technique, it is one kind based on digital model file, with powder
The adhesive materials such as shape metal or plastics construct the emerging technology of object by layer-by-layer printing.
The extrusion screw rod of the melt extrusion apparatus of existing 3D printing equipment is to guarantee to squeeze out effect, and that often does is bigger,
And than heavier, it is unfavorable for the printing type that print head follows printing device to move, nonetheless, people cannot still be allowed by squeezing out effect
It is satisfied, it material often occurs during the work time unevenly blocks transport pipeline to result in blockage, cause consumptive material cut-off, but machine
Still it will continue to operate, cause to dally, not only wasted consumptive material but also wasted time.
Summary of the invention
The technical problems to be solved by the present invention are: providing, a kind of outer diameter is small, length is short, small in size, light-weight, extrusion effect
Fruit good diameter progressive screw and extrusion device.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: a kind of diameter progressive screw, including be sequentially connected
Gripping section, feed zone, homogenizing zone and extruding zone, the outer surface of the feed zone, homogenizing zone and extruding zone is equipped with shape of threads
The diameter of groove, the feed zone is gradually reduced.
Further, the diameter of the feed zone close to gripping section one end to close to homogenizing zone one end by uniformly reducing, institute
Stating diameter of the feed zone close to gripping section one end is 12-18mm, and diameter of the feed zone close to homogenizing zone one end is 6-8mm.
Further, the diameter of the homogenizing zone and the extruding zone is with the feed zone close to the diameter of homogenizing zone one end
Unanimously.
Further, the groove depth of the thread-like groove of the feed zone is by close to gripping section one end to close homogenizing zone one end
Uniformly reduce, groove depth of the thread-like groove of the feed zone close to gripping section one end is 3.5-5mm, the screw thread of the feed zone
Groove depth of the shape groove close to homogenizing zone one end is 1.5-2.5mm.
Further, the groove depth of the thread-like groove of the homogenizing zone is by close to feed zone one end to close extruding zone one end
Uniformly reduce, the thread-like groove of the groove depth of the thread-like groove of the homogenizing zone and the feed zone is close to homogenizing zone one end
Groove depth is consistent, and groove depth of the thread-like groove of the homogenizing zone close to extruding zone one end is 0.5-1mm.
Further, the thread-like groove of the groove depth of the thread-like groove of the extruding zone and the homogenizing zone is close to extrusion
The groove depth of Duan Yiduan is consistent.
The invention further relates to a kind of thermoplastic granulates material molten extrusion device using diameter progressive screw, including it is above-mentioned any
Diameter progressive screw described in one, funnel, feed zone barrel, heating cylinder and nozzle, the funnel lower end and feed zone barrel connect
It connects, feed zone barrel lower end is connect with heating cylinder, and the lower end of the heating cylinder is connect with nozzle, the diameter progressive screw
Go deep into the heating cylinder, the diameter progressive screw can rotate in heating cylinder relative to the heating cylinder.
Further, the heating cylinder is equipped with upper bringing-up section, compression section and lower bringing-up section, the inside of the upper bringing-up section
Funnel-form with a narrow upper and lower width, the internal diameter of the compression section are adapted to the outer diameter of the homogenizing zone of the diameter progressive screw, are added under described
The internal diameter of hot arc is adapted to the outer diameter to the extruding zone, and the first heater wire is equipped on the outside of the upper bringing-up section of the heating cylinder
The outside of circle, the lower bringing-up section is equipped with the second heating coil.
Further, the diameter progressive screw is equipped with blender, and the blender is set to the clamping of the diameter progressive screw
Between section and feed zone.
Further, the inner cavity pyramidal structure with a narrow upper and lower width of the feed zone barrel, the feed zone barrel is by resistance to
High-temperature wearable insulated heat material is made.
Further, the outside of the nozzle is equipped with air guide hole, and the air guide hole passes through cooling air channel and cooling fan phase
Even.
The beneficial effects of the present invention are: a kind of diameter progressive screw is provided, the outer screw diameter is small, light weight, shape of threads
The groove depth of groove is gradually decreased by feed end to discharge end, cooperates the heating cylinder of extrusion device, and thermoplastic granulates material can be allowed to exist
It is gradually compressed after melted by heating in heating cylinder, and certain pressure is kept to convey to nozzle direction, realized more preferable more steady
Fixed extrusion effect.
Detailed description of the invention
Specific structure of the invention is described in detail with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of diameter progressive screw of the invention；
Fig. 2 is the schematic diagram of the section structure of extrusion device of the invention；
1- gripping section；2- feed zone；3- homogenizing zone；4- extruding zone；5- blender mounting portion；
10- diameter progressive screw；11- driving motor；12- shaft coupling；13- funnel；14- feed zone barrel；15- heating cylinder；
16- nozzle；The first heating coil of 17-；The second heating coil of 18-；19- blender；20- barrel thermal insulation board；21- cooling air port；
22- cooling air channel；23- cooling fan.
Specific embodiment
In order to describe the technical content, the structural feature, the achieved object and the effect of this invention in detail, below in conjunction with embodiment
And attached drawing is cooperated to be explained in detail.
Referring to Fig. 1, a kind of diameter progressive screw, including gripping section 1, feed zone 2, homogenizing zone 3 and the extruding zone being sequentially connected
4, the outer surface of the feed zone 2, homogenizing zone 3 and extruding zone 4 is equipped with thread-like groove, and the diameter of the feed zone gradually subtracts
It is small, wherein by uniformly reducing close to gripping section one end to close to homogenizing zone one end, the feed zone leans on the diameter of the feed zone
The diameter of nearly gripping section one end is 12-18mm, and diameter of the feed zone close to homogenizing zone one end is 6-8mm, the homogenizing zone
Remained unchanged with the diameter of the extruding zone, the consistent diameter with the feed zone close to homogenizing zone one end is 6-8mm, it is described into
Expect that the groove depth of the thread-like groove of section is uniformly reduced by close gripping section one end to close to homogenizing zone one end, the spiral shell of the feed zone
Groove depth of the line shape groove close to gripping section one end is 3.5-5mm, and the thread-like groove of the feed zone is close to homogenizing zone one end
Groove depth is 1.5-2.5mm, and the groove depth of the thread-like groove of the homogenizing zone is by close to feed zone one end to close extruding zone one end
Uniformly reduce, the thread-like groove of the groove depth of the thread-like groove of the homogenizing zone and the feed zone is close to homogenizing zone one end
Groove depth is consistent, and groove depth of the thread-like groove of the homogenizing zone close to extruding zone one end is 0.5-1mm, the screw thread of the extruding zone
Groove depth of the groove depth of shape groove with the thread-like groove of the homogenizing zone close to extruding zone one end is consistent, and such setting cooperation adds
Hot material cylinder can keep certain compression ratio, and the printed material of melting is allowed to be conveyed forwards by certain pressure, in order to guarantee heat
Plastic particle material will not be overstock on the top of heating cylinder to result in blockage, and also sets between the gripping section and feed zone of diameter progressive screw
There is blender mounting portion.
As can be seen from the above description, the beneficial effects of the present invention are: a kind of diameter progressive screw is provided, the outer screw diameter is small,
The groove depth of light weight, thread-like groove is gradually decreased by feed end to discharge end, cooperates the heating cylinder of extrusion device, can be allowed
Thermoplastic granulates material is gradually compressed after melted by heating in heating cylinder, and certain pressure is kept to convey to nozzle direction,
Realize more preferable more stable extrusion effect.
Referring to Fig. 2, the invention further relates to a kind of thermoplastic granulates material molten extrusion device using diameter progressive screw, packet
Include above-mentioned diameter progressive screw 10, funnel 13, feed zone barrel 14, heating cylinder 15 and nozzle 16,13 lower end of funnel with into
Expect that section barrel 14 connects, 14 lower end of feed zone barrel is connect with heating cylinder 15, the lower end of the heating cylinder 15 and spray
Mouth 16 connects, and since feed zone barrel is shorter, heat transmission is than very fast, in order to will not be in funnel 13 for guarantee thermoplastic granulates material
Or just melted by heat agglomeration in advance in feed zone barrel 14, the bringing-up section of heating cylinder 15 can not be normally entered, it is disconnected to generate bridge formation
The phenomenon that material, is additionally provided with barrel thermal insulation board 20 between funnel 13 and feed zone barrel 14, the funnel is made of light sheet material, thin
Plate material can be stainless steel, or tinplate, the feed zone barrel 14 is by heat resistant and wear resistant insulated heat material system
At, it is preferred that the heat resistant and wear resistant insulated heat material is 200 degrees Celsius of heatproof of POM material or 400 degrees Celsius of heatproof
PEEK material, the heat transfer of heating cylinder can be effectively prevent to feed zone barrel.
Upward, extruding zone 4 is directed downwardly to go deep into the heating cylinder 15 to the gripping section 1 of the diameter progressive screw 10, wherein described
Heating cylinder 15 be equipped with upper bringing-up section, compression section and lower bringing-up section, the inside funnel-form with a narrow upper and lower width of the upper bringing-up section,
The internal diameter of the compression section is adapted to the outer diameter of the homogenizing zone of the diameter progressive screw, and the internal diameter of the lower bringing-up section is squeezed with to described
The upper bringing-up section outside of the outer diameter adaptation of section out, the heating cylinder 15 is equipped with the first heating coil 17, the lower bringing-up section
Outside is equipped with the second heating coil 18, and two groups of heating coils of setting are that thermoplastic granulates material crosses heat fusing and causes to build bridge in order to prevent
Phenomenon, the temperature of upper bringing-up section need the melting temperature of slightly below material, it is therefore desirable to the first heating coil of smaller power, and
In order to guarantee conveying effect, then in the second heating coil of the outside of lower bringing-up section setting relatively high power, heating temperature is heat
The melting temperature of plastic particle material, in order to guarantee that heating effect, the first heating coil and the second heating coil are respectively equipped with thermometric
Thermocouple can be precisely controlled the heating temperature of the first heating coil and the second heating coil through external temperature controller.
The feed zone 2 of diameter progressive screw 10 is located in the upper bringing-up section of heating cylinder, and the correspondence of homogenizing zone 3 of diameter progressive screw is located at
The extruding zone 4 of the compression section of heating cylinder, diameter progressive screw is located in the lower bringing-up section of heating cylinder, and driving is equipped with above funnel
The drive shaft of motor 11, the driving motor 11 is connect by shaft coupling 12 with the gripping section 1 of diameter progressive screw 10, driving motor 11
Drive the diameter progressive screw 10 that can rotate relative to the heating cylinder in heating cylinder 15.
It results in blockage to guarantee that thermoplastic granulates material will not be overstock on the top of heating cylinder, in the clamping of diameter progressive screw
Blender mounting portion 5 is installed between section and feed zone, can be played in the installation blender 19 of blender mounting portion 5 and stir material
The effect for dissipating and conveying downwards, blender 19 are located in feed zone barrel 14, it is preferred that blender is stirring blade.
In order to further ensure squeezing out the extrusion effect of silk, the discharge port diameter of the nozzle 16 is 0.2-1.2mm.
Desired solidification temperature is reached in order to guarantee that extrusion silk is capable of fast cooling, the outside of the nozzle 16 is equipped with annular
Cooling air port 21, the annular cooling air port 21 are connected by cooling air channel 22 with cooling fan 23.
When work, thermoplastic granulates material is loaded by funnel, thermoplastic granulates by the timing automatic feeder of distal end connection
Material enters the feed zone barrel made of heat resistant and wear resistant insulated heat material funnel, in self weight and the stirring of diameter progressive screw
Under the action of leaf, thermoplastic granulates material enters the upper bringing-up section of heating cylinder, herein by the first fever on the outside of upper bringing-up section
Circle heating, becomes the material of molten condition, and subsequently into the thread-like groove of the feed zone of diameter progressive screw, driving motor is driven
Diameter progressive screw rotation, the homogenizing zone that the material of molten condition is transported to diameter progressive screw compressed and with this keep certain pressure to
Extruding zone conveying, and then the second heating coil for being extruded section further heats, and finally enters nozzle chamber, then by nozzle stream
It is formed out and squeezes out silk.
In order to guarantee to squeeze out the precision of silk, need to be equipped with the wind-guiding of annular on the outside of nozzle to silk progress fast cooling is squeezed out
Mouthful, air guide hole is connected by cooling air channel with cooling fan, and the cooling wind that cooling fan is blown out can be by cooling air channel from wind-guiding
Mouth blowout.
This thermoplastic granulates material molten extrusion device is mountable on fusion sediment printer, and driving motor receives printing
The signal that machine issues drives diameter progressive screw rotation, acts through above-mentioned extrusion, and the material of Filamentous molten condition is squeezed out by nozzle, is squeezed
Device can be fixed depending on specific printer arrangement or be moved with each axis of X, Y, Z out, realizes fused deposition 3D printing.
Among the above, first, second ... only represents the differentiation of its title, do not represent they significance level and position have it is assorted
It is different.
Among the above, up, down, left, right, before and after only represents its relative position without indicating its absolute position.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (11)
1. a kind of diameter progressive screw, it is characterised in that: described including gripping section, feed zone, homogenizing zone and the extruding zone being sequentially connected
The outer surface of feed zone, homogenizing zone and extruding zone is equipped with thread-like groove, and the diameter of the feed zone is gradually reduced.
2. diameter progressive screw as described in claim 1, it is characterised in that: the diameter of the feed zone by close to gripping section one end to
Uniformly reduce close to homogenizing zone one end, diameter of the feed zone close to gripping section one end is 12-18mm, and the feed zone is close
The diameter of homogenizing zone one end is 6-8mm.
3. diameter progressive screw as claimed in claim 2, it is characterised in that: the diameter of the homogenizing zone and the extruding zone with it is described
Diameter of the feed zone close to homogenizing zone one end is consistent.
4. diameter progressive screw as claimed in claim 3, it is characterised in that: the groove depth of the thread-like groove of the feed zone is by close
Gripping section one end is to uniformly reducing close to homogenizing zone one end, the groove depth of the thread-like groove of the feed zone close to gripping section one end
For 3.5-5mm, groove depth of the thread-like groove of the feed zone close to homogenizing zone one end is 1.5-2.5mm.
5. diameter progressive screw as claimed in claim 4, it is characterised in that: the groove depth of the thread-like groove of the homogenizing zone is by close
Feed zone one end uniformly reduces to close to extruding zone one end, the groove depth of the thread-like groove of the homogenizing zone and the feed zone
Groove depth of the thread-like groove close to homogenizing zone one end is consistent, the groove depth of the thread-like groove of the homogenizing zone close to extruding zone one end
For 0.5-1mm.
6. diameter progressive screw as claimed in claim 5, it is characterised in that: the groove depth of the thread-like groove of the extruding zone with it is described
Groove depth of the thread-like groove of homogenizing zone close to extruding zone one end is consistent.
7. a kind of thermoplastic granulates material molten extrusion device using diameter progressive screw, it is characterised in that: including claim 1-6
Diameter progressive screw described in any one, funnel, feed zone barrel, heating cylinder and nozzle, the funnel lower end and feed zone material
Cylinder connection, feed zone barrel lower end are connect with heating cylinder, and the lower end of the heating cylinder is connect with nozzle, the variable diameter
Screw rod gos deep into the heating cylinder, and the diameter progressive screw can rotate in heating cylinder relative to the heating cylinder.
8. using the thermoplastic granulates material molten extrusion device of diameter progressive screw as claimed in claim 7, it is characterised in that: institute
Heating cylinder is stated equipped with upper bringing-up section, compression section and lower bringing-up section, the inside funnel-form with a narrow upper and lower width of the upper bringing-up section,
The internal diameter of the compression section is adapted to the outer diameter of the homogenizing zone of the diameter progressive screw, and the internal diameter of the lower bringing-up section is squeezed with to described
The upper bringing-up section outside of the outer diameter adaptation of section out, the heating cylinder is equipped with the first heating coil, the outside of the lower bringing-up section
Equipped with the second heating coil.
9. using the thermoplastic granulates material molten extrusion device of diameter progressive screw as claimed in claim 8, it is characterised in that: institute
Diameter progressive screw is stated equipped with blender, the blender is set between the gripping section and feed zone of the diameter progressive screw.
10. using the thermoplastic granulates material molten extrusion device of diameter progressive screw as claimed in claim 9, it is characterised in that:
The inner cavity pyramidal structure with a narrow upper and lower width of the feed zone barrel, the feed zone barrel is by heat resistant and wear resistant insulated heat material
Material is made.
11. using the thermoplastic granulates material molten extrusion device of diameter progressive screw as claimed in claim 10, it is characterised in that:
The outside of the nozzle is equipped with air guide hole, and the air guide hole is connected by cooling air channel with cooling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515982.0A CN110126236A (en) | 2019-06-14 | 2019-06-14 | Diameter progressive screw and the thermoplastic granulates material molten extrusion device for using diameter progressive screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515982.0A CN110126236A (en) | 2019-06-14 | 2019-06-14 | Diameter progressive screw and the thermoplastic granulates material molten extrusion device for using diameter progressive screw |
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|---|---|
| CN110126236A true CN110126236A (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910515982.0A Pending CN110126236A (en) | 2019-06-14 | 2019-06-14 | Diameter progressive screw and the thermoplastic granulates material molten extrusion device for using diameter progressive screw |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361126A (en) * | 2020-04-13 | 2020-07-03 | 滁州捷诚环保装备有限公司 | Double screw extruder side feeding device |
| CN111941679A (en) * | 2020-06-30 | 2020-11-17 | 东莞信易电热机械有限公司 | Film recovery granulator |
| CN114083793A (en) * | 2021-10-18 | 2022-02-25 | 深圳市创想三维科技股份有限公司 | Extrusion mechanism and 3D printer |
| RU218057U1 (en) * | 2023-04-11 | 2023-05-04 | Гузель Равилевна Кирсанкина | EXTRUDER |
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|---|---|---|---|---|
| GB953310A (en) * | 1962-12-20 | 1964-03-25 | Barmag Barmer Maschf | Improvements relating to screw extruders |
| CN86103191A (en) * | 1986-05-08 | 1987-11-18 | 维什化学工艺研究所 | The screw rod that is used for single-screw extrusion machine |
| CN101954732A (en) * | 2010-09-30 | 2011-01-26 | 北京化工大学 | Cone-shaped single-screw extruder with parallel screw head section |
| CN204172304U (en) * | 2014-09-23 | 2015-02-25 | 诸暨绍弹化纤有限公司 | Vertical adjustable speed screw extruder |
| CN105479757A (en) * | 2016-01-20 | 2016-04-13 | 四川大学 | Conical screw extrusion device suitable for FDM printer |
| CN106217867A (en) * | 2016-07-20 | 2016-12-14 | 西北工业大学 | A kind of screw increases material and manufactures shower nozzle |
| CN107584745A (en) * | 2017-09-28 | 2018-01-16 | 浙江光明塑料机械有限公司 | A kind of extrusion screw |
| CN210453801U (en) * | 2019-06-14 | 2020-05-05 | 深圳市畅形增材科技有限公司 | Reducing screw and thermoplastic particle material melt extrusion device adopting same |
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| CN111361126A (en) * | 2020-04-13 | 2020-07-03 | 滁州捷诚环保装备有限公司 | Double screw extruder side feeding device |
| CN111941679A (en) * | 2020-06-30 | 2020-11-17 | 东莞信易电热机械有限公司 | Film recovery granulator |
| CN114083793A (en) * | 2021-10-18 | 2022-02-25 | 深圳市创想三维科技股份有限公司 | Extrusion mechanism and 3D printer |
| CN114083793B (en) * | 2021-10-18 | 2024-05-17 | 深圳市创想三维科技股份有限公司 | Extrusion mechanism and 3D printer |
| RU218057U1 (en) * | 2023-04-11 | 2023-05-04 | Гузель Равилевна Кирсанкина | EXTRUDER |
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