CN109605709A - A kind of plastic extruder - Google Patents
A kind of plastic extruder Download PDFInfo
- Publication number
- CN109605709A CN109605709A CN201811539514.9A CN201811539514A CN109605709A CN 109605709 A CN109605709 A CN 109605709A CN 201811539514 A CN201811539514 A CN 201811539514A CN 109605709 A CN109605709 A CN 109605709A
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- CN
- China
- Prior art keywords
- inner cavity
- extruding
- extrusion
- screw rod
- extrusion cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of plastic extruders, including extrusion cylinder, being horizontally disposed in the extrusion cylinder has partition for the extrusion cylinder inner space to be divided into upper extruding inner cavity and lower extruding inner cavity, extrusion screw rod and lower extrusion screw rod are respectively arranged in the upper extruding inner cavity and lower extruding inner cavity, the rotary orientation being arranged on the upper extrusion screw rod and lower extrusion screw rod is opposite, the corresponding upper extrusion screw rod and lower extrusion screw rod are fixedly installed with driving motor and lower driving motor respectively on the outside of the extrusion cylinder, the extrusion cylinder upper end and the upper extruding inner cavity are provided through feed inlet, described lower one end for squeezing the not connected lower driving motor in inner cavity is horizontally disposed discharge port, the partition is provided in connection far from one end of the feed inlet and squeezes inner cavity and the lower opening for squeezing inner cavity.
Description
Technical field
The present invention relates to plastics-production processing technique fields, and in particular to a kind of plastic extruder.
Background technique
In plastic extruding forming equipment, plastic extruder is normally referred to as host, and follow-up equipment plastics matched with its
Extrusion shaping machine is then known as subsidiary engine.Plastic extruder passes through development in more than 100 years, derives double spiral shells by original single screw rod
Bar, multiscrew, or even without different types of machines such as screw rods.Plastic extruder (host) can with tubing, film, hold in both hands material, monofilament, flat
The various plastic shaping subsidiary engines matchings such as silk, strap, crowded net, plate (piece) material, profile shapes, granulation, cable cladding, form various modelings
Expect extrusion molding production line, produces various plastic products.Therefore, plastic extruding forming machinery no matter now or in the future, all be modeling
One of the machine being used widely in material processing industry.
Existing single screw extrusion machine be easy to appear plastic raw materials in thawing extrusion process and melt to plastic raw materials
Change not exclusively, extrusion is not thorough, and holds susceptible to plugging defect.The plastics that the plastic raw materials flow velocity melted not in time is slower than thawing are former
Material, will lead to and be attached to extrusion screw rod surface for the plastic raw materials of thawing, then cumulative, eventually lead to the stifled of extruder
Plug, it is necessary to which the machine of tearing open maintains inspection, seriously affects production and processing and uses.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how one kind is provided can be more
Good squeezes out plastic raw materials, easy cleaning, avoids the plastic extruder of blocking.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of plastic extruder, including extrusion cylinder, being horizontally disposed in the extrusion cylinder has partition for by the extrusion cylinder
Inner space is divided into upper extruding inner cavity and lower extruding inner cavity, intracavitary distribution setting respectively in the upper extruding inner cavity and lower extruding
There is electrically heated rod, is respectively arranged with extrusion screw rod and lower extrusion screw rod in the upper extruding inner cavity and lower extruding inner cavity, it is described
The rotary orientation that is arranged on upper extrusion screw rod and lower extrusion screw rod on the contrary, on the outside of the extrusion cylinder the corresponding upper extrusion screw rod and
Lower extrusion screw rod is fixedly installed with driving motor and lower driving motor respectively, the upper driving motor and lower driving motor it is defeated
Shaft passes through shaft coupling respectively and is fixedly connected with the upper extruding screw and lower extruding screw one end, and the upper extruding screw is under
The other end of extruding screw passes through bearing respectively and connect with the extrusion cylinder, and the extrusion cylinder upper end is passed through with the upper extruding inner cavity
It wears and is equipped with feed inlet, described lower one end for squeezing the not connected lower driving motor in inner cavity is horizontally disposed discharge port, the partition
One end far from the feed inlet, which is provided in connection, squeezes inner cavity and the lower opening for squeezing inner cavity.
In the technical program, raw material is put into upper extruding inner cavity from feed inlet, is squeezed by upper extrusion screw rod and electric
The thawing of heating rod, so that raw material is entered in lower extruding inner cavity by opening, using the extruding of lower extrusion screw rod and electric heating
Stick is discharged after melting from discharge port.It is provided with extruding screw and lower extruding screw, so that raw material is squeezed by two-stage, twice
Melt, melt path and extend, the time extends, and can raw material more fully be melted, avoid blocking.
Further, self-cleaning mechanism is provided in the extrusion cylinder, the self-cleaning mechanism includes quincunx scraper plate, institute
State quincunx scraper plate be separately positioned on it is described it is upper squeeze inner cavity and it is lower squeeze the opposite two sides of inner cavity horizontal direction, it is described quincunx
Shaft is provided among scraper plate, the shaft is rotatably installed in the extrusion cylinder, is provided with described in permission in the extrusion cylinder
The revolution space of quincunx scraper plate rotation is set on the quincunx scraper plate side and the upper extruding screw or lower extruding screw
The helical contact setting set.
In this way, being provided with quincunx scraper plate, upper extrusion screw rod and lower extrusion screw rod are connect in movement with quincunx scraper plate
Touching, and quincunx scraper plate unitary rotation a quarter is driven, utilize quincunx scraper plate and upper extruding screw or lower extruding screw
Spiral between frictional force, remove the raw material adhered on upper extruding screw or lower extruding screw.Quincunx scraper plate and upper extruding spiral shell
The outer end in contact of the spiral of bar or lower extruding screw, avoids it from resulting in blockage squeezing passage.
Further, the feed inlet is fixedly connected with hopper upwards, is provided through charging inside and outside the hopper side
Hole is provided in the hopper and smashes mechanism.
In this way, being provided with hopper, facilitate charging.It is provided with and smashes mechanism, can be bonded to avoid raw material, preferably promoted former
The thawing of material.
Further, the mechanism that smashes includes the servo motor for being fixedly mounted on the hopper upper end, the servo electricity
The output shaft of machine is down-set, and shaft, the output of the shaft upper end and the servo motor are vertically provided in the hopper
Axis is fixedly and coaxially connected, and the shaft is circumferentially hinged with flail knife, and the flail knife side is blade.
In this way, servo motor movement drives shaft rotation, shaft drives flail knife rotation, smashes to raw material, user
Just.
Further, it is provided with the first hinged block in the shaft, is hinged in first hinged block horizontally disposed
Link block, the link block side are recessed groove, are hinged with vertically arranged connecting rod in the groove, the flail knife with
The connecting rod is fixedly connected.
In this way, when without using smashing mechanism, since link block is horizontally hinged fast in the first handover so that flail knife due to
Free gravity is sagging, will not impact to blanking.
Further, for the feed opening to feeding-passage is externally connected with, being horizontally disposed in the feeding-passage has conveyer belt.
In this way, being provided with conveyer belt, conveyer belt can accelerate raw material, facilitate charging.
Further, the discharge outlet is provided with strainer.
In this way, can preferably guarantee the quality of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of plastic extruder described in the specific embodiment of the invention.
Fig. 2 is the cross-sectional view of A-A.
Fig. 3 is the cross-sectional view of B-B.
Fig. 4 is the enlarged diagram that mechanism is smashed in Fig. 1.
Specific embodiment
The 1-4 present invention is described in further detail with reference to the accompanying drawing.
A kind of plastic extruder, including extrusion cylinder 1, being horizontally disposed in the extrusion cylinder 1 has partition 2 for by the extruding
1 inner space of cylinder is divided into upper extruding inner cavity 3 and lower extruding inner cavity 4, difference in the upper extruding inner cavity 3 and lower extruding inner cavity 4
Distribution is provided with electrically heated rod 11, and extrusion screw rod 31 is respectively arranged in the upper extruding inner cavity 3 and lower extruding inner cavity 4 under
Extrusion screw rod 41, the rotary orientation being arranged on the upper extrusion screw rod 31 and lower extrusion screw rod 41 is on the contrary, 1 outside of the extrusion cylinder
The corresponding upper extrusion screw rod 31 and lower extrusion screw rod 41 are fixedly installed with driving motor 32 and lower driving motor 42 respectively,
The output shaft of the upper driving motor 32 and lower driving motor 42 passes through shaft coupling and the upper extruding screw 31 respectively and lower squeezes
Pressure 41 one end of screw rod be fixedly connected, the other end of the upper extruding screw 31 and lower extruding screw 41 pass through respectively bearing with it is described
Extrusion cylinder 1 connects, and 1 upper end of extrusion cylinder and the upper extruding inner cavity 3 are provided through feed inlet, the lower extruding inner cavity 4
One end of not connected lower driving motor 42 is horizontally disposed discharge port 43, and the partition 2 is arranged far from one end of the feed inlet
Have and squeezes inner cavity 3 and the lower opening for squeezing inner cavity 4 in connection.
In the technical program, raw material is put into upper extruding inner cavity from feed inlet, is squeezed by upper extrusion screw rod and electric
The thawing of heating rod, so that raw material is entered in lower extruding inner cavity by opening, using the extruding of lower extrusion screw rod and electric heating
Stick is discharged after melting from discharge port.It is provided with extruding screw and lower extruding screw, so that raw material is squeezed by two-stage, twice
Melt, melt path and extend, the time extends, and can raw material more fully be melted, avoid blocking.
Further, self-cleaning mechanism is provided in the extrusion cylinder 1, the self-cleaning mechanism includes quincunx scraper plate 5,
The quincunx scraper plate 5 is separately positioned on the upper extruding inner cavity 3 two sides opposite with lower extruding 4 horizontal direction of inner cavity, described
Shaft is provided among quincunx scraper plate 5, the shaft is rotatably installed in the extrusion cylinder 1, is provided in the extrusion cylinder 1
The revolution space for allowing the quincunx scraper plate 5 to rotate, quincunx 5 side of scraper plate and the upper extruding screw 31 or under
The helical contact setting being arranged on extruding screw 41.
In this way, being provided with quincunx scraper plate, upper extrusion screw rod and lower extrusion screw rod are connect in movement with quincunx scraper plate
Touching, and quincunx scraper plate unitary rotation a quarter is driven, utilize quincunx scraper plate and upper extruding screw or lower extruding screw
Spiral between frictional force, remove the raw material adhered on upper extruding screw or lower extruding screw.Quincunx scraper plate and upper extruding spiral shell
The outer end in contact of the spiral of bar or lower extruding screw, avoids it from resulting in blockage squeezing passage.
Further, the feed inlet is fixedly connected with hopper 6 upwards, be provided through inside and outside 6 side of hopper into
Expect hole, to be provided in the hopper 6 and smash mechanism.
In this way, being provided with hopper, facilitate charging.It is provided with and smashes mechanism, can be bonded to avoid raw material, preferably promoted former
The thawing of material.
Further, the mechanism that smashes includes the servo motor 7 for being fixedly mounted on 6 upper end of hopper, the servo
The output shaft of motor 7 is down-set, and shaft 71,71 upper end of shaft and servo electricity are vertically provided in the hopper 6
The output shaft of machine 7 is fixedly and coaxially connected, and the shaft 71 is circumferential to be hinged with flail knife 72, and 72 side of flail knife is blade.
In this way, servo motor movement drives shaft rotation, shaft drives flail knife rotation, smashes to raw material, user
Just.
Further, it is provided with the first hinged block 73 in the shaft 71, is hinged with level in first hinged block 73
The link block 74 of setting, 74 side of link block are recessed groove, vertically arranged connecting rod are hinged in the groove
75, the flail knife 72 is fixedly connected with the connecting rod 75.
In this way, when without using smashing mechanism, since link block is horizontally hinged fast in the first handover so that flail knife due to
Free gravity is sagging, will not impact to blanking.
Further, for the feed opening to feeding-passage 8 is externally connected with, being horizontally disposed in the feeding-passage 8 has transmission
Band 81.
In this way, being provided with conveyer belt, conveyer belt can accelerate raw material, facilitate charging.
Further, strainer is provided at the discharge port 43.
In this way, can preferably guarantee the quality of product.
The present apparatus has following working principle:
It by raw material out of feed opening investment hopper, is then smashed using smashing mechanism, passes through feed inlet entrance later
It in upper extruding cavity, drives raw material to move using upper extruding screw, heating and melting is carried out using electrically heated rod, then by opening
It into lower extruding cavity, drives raw material to move using lower extruding screw, heating and melting is carried out using electrically heated rod, then from discharging
Mouth discharge.When upper extruding screw and lower extruding screw act, quincunx scraper plate is to upper extruding screw or lower extruding screw
Spiral outer end is scraped, and accumulated plugging is avoided.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that；It still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement；And these are modified or replaceed, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses, should all cover within the scope of the claims and the description of the invention.
Claims (7)
1. a kind of plastic extruder, which is characterized in that including extrusion cylinder, being horizontally disposed in the extrusion cylinder has partition to be used for institute
It states extrusion cylinder inner space and is divided into upper extruding inner cavity and lower extruding inner cavity, intracavitary difference in the upper extruding inner cavity and lower extruding
Distribution is provided with electrically heated rod, is respectively arranged with extrusion screw rod and lower extrusion spiral shell in the upper extruding inner cavity and lower extruding inner cavity
The rotary orientation being arranged on bar, the upper extrusion screw rod and lower extrusion screw rod is on the contrary, corresponding described crowded on the outside of the extrusion cylinder
Screw rod and lower extrusion screw rod are fixedly installed with driving motor and lower driving motor, the upper driving motor and lower driving respectively out
The output shaft of motor passes through shaft coupling respectively and is fixedly connected with the upper extruding screw and lower extruding screw one end, the upper extruding
The other end of screw rod and lower extruding screw passes through bearing respectively and connect with the extrusion cylinder, the extrusion cylinder upper end and it is described it is upper squeeze
Pressure inner cavity is provided through feed inlet, and described lower one end for squeezing the not connected lower driving motor in inner cavity is horizontally disposed discharge port,
The partition is provided in connection far from one end of the feed inlet and squeezes inner cavity and the lower opening for squeezing inner cavity.
2. a kind of plastic extruder according to claim 1, it is characterised in that: be provided with self-cleaning machine in the extrusion cylinder
Structure, the self-cleaning mechanism include quincunx scraper plate, the quincunx scraper plate be separately positioned on the upper extruding inner cavity and it is lower squeeze
The opposite two sides of inner cavity horizontal direction are pressed, shaft is provided among the quincunx scraper plate, the shaft is rotatably installed in described
In extrusion cylinder, the revolution space for allowing the quincunx scraper plate to rotate, the quincunx scraper plate one are provided in the extrusion cylinder
The helical contact being arranged on side and the upper extruding screw or lower extruding screw is arranged.
3. a kind of plastic extruder according to claim 2, it is characterised in that: the feed inlet is fixedly connected with material upwards
It struggles against, is provided through feed opening inside and outside the hopper side, is provided in the hopper and smashes mechanism.
4. a kind of plastic extruder according to claim 3, it is characterised in that: the mechanism that smashes includes being fixedly mounted on
The servo motor of the hopper upper end, the output shaft of the servo motor is down-set, is vertically provided with shaft in the hopper,
The shaft upper end and the output shaft of the servo motor are fixedly and coaxially connected, and the shaft is circumferentially hinged with flail knife, described to get rid of
Knife side is blade.
5. a kind of plastic extruder according to claim 4, it is characterised in that: it is hinged to be provided with first in the shaft
Block is hinged with horizontally disposed link block in first hinged block, and the link block side is recessed groove, the groove
It is inside hinged with vertically arranged connecting rod, the flail knife is fixedly connected with the connecting rod.
6. a kind of plastic extruder according to claim 5, it is characterised in that: the feed opening is logical to charging is externally connected with
Road, being horizontally disposed in the feeding-passage has conveyer belt.
7. a kind of plastic extruder according to claim 6, it is characterised in that: the discharge outlet is provided with strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539514.9A CN109605709A (en) | 2018-12-17 | 2018-12-17 | A kind of plastic extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539514.9A CN109605709A (en) | 2018-12-17 | 2018-12-17 | A kind of plastic extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109605709A true CN109605709A (en) | 2019-04-12 |
Family
ID=66010185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539514.9A Pending CN109605709A (en) | 2018-12-17 | 2018-12-17 | A kind of plastic extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109605709A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927268A (en) * | 2019-04-23 | 2019-06-25 | 何麟根 | A kind of starch extruder |
| CN111962163A (en) * | 2020-08-12 | 2020-11-20 | 杭州永兴化纤有限公司 | Spinning system and spinning method of polyester DTY (draw textured yarn) fiber with ultralow boiling water shrinkage |
| CN113427736A (en) * | 2021-06-23 | 2021-09-24 | 泉州中宝鞋材有限公司 | Hot melt adhesive extruder |
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| US5213737A (en) * | 1991-12-02 | 1993-05-25 | Corning Incorporated | Extrusion method and apparatus for producing a body from powder material |
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| CN206217141U (en) * | 2016-11-07 | 2017-06-06 | 荆门市银珠塑化有限公司 | A kind of plastic extruder |
| CN206967922U (en) * | 2017-05-22 | 2018-02-06 | 北京三益建筑材料有限公司 | A kind of screw extrusion device |
| CN207012862U (en) * | 2017-04-28 | 2018-02-16 | 广元瑞峰新材料有限公司 | It is a kind of to be easy to clean agitating paddle and the stirred tank with filtering function |
| CN108201827A (en) * | 2018-02-28 | 2018-06-26 | 苏州市吴中区双龙油漆涂料有限公司 | A kind of coating cleans agitating device |
| CN207724793U (en) * | 2017-11-28 | 2018-08-14 | 江苏悦达兴业汽车配件有限公司 | A kind of extrusion equipment for Automobile Plastic Parts production |
| CN207805466U (en) * | 2017-12-19 | 2018-09-04 | 青岛昊鑫新能源科技有限公司 | A kind of blender of IBC tons of bucket |
| CN208229740U (en) * | 2018-02-28 | 2018-12-14 | 苏州市吴中区双龙油漆涂料有限公司 | A kind of coating cleaning agitating device |
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| US5213737A (en) * | 1991-12-02 | 1993-05-25 | Corning Incorporated | Extrusion method and apparatus for producing a body from powder material |
| CN101130901A (en) * | 2007-08-21 | 2008-02-27 | 刘宇星 | Method for producing two/three-dimensional spatial fibre using reprocessed plastic |
| CN201960730U (en) * | 2010-12-25 | 2011-09-07 | 金发科技股份有限公司 | Serial type extruder |
| CN202951412U (en) * | 2012-11-27 | 2013-05-29 | 兴宁市金雁电工有限公司 | Portable type mixed liquid motor blender |
| CN205112322U (en) * | 2015-10-15 | 2016-03-30 | 天津益三友色母料有限公司 | Extruder for color masterbatch |
| CN205767391U (en) * | 2016-05-26 | 2016-12-07 | 长兴盘峰塑料制品厂（普通合伙） | A kind of T-shaped screw extruder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927268A (en) * | 2019-04-23 | 2019-06-25 | 何麟根 | A kind of starch extruder |
| CN109927268B (en) * | 2019-04-23 | 2024-04-30 | 何麟根 | Starch extruder |
| CN111962163A (en) * | 2020-08-12 | 2020-11-20 | 杭州永兴化纤有限公司 | Spinning system and spinning method of polyester DTY (draw textured yarn) fiber with ultralow boiling water shrinkage |
| CN113427736A (en) * | 2021-06-23 | 2021-09-24 | 泉州中宝鞋材有限公司 | Hot melt adhesive extruder |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
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| RJ01 | Rejection of invention patent application after publication |