CN107283788A - A kind of anti-blockage type extrusion molding die head - Google Patents
A kind of anti-blockage type extrusion molding die head Download PDFInfo
- Publication number
- CN107283788A CN107283788A CN201710593050.9A CN201710593050A CN107283788A CN 107283788 A CN107283788 A CN 107283788A CN 201710593050 A CN201710593050 A CN 201710593050A CN 107283788 A CN107283788 A CN 107283788A
- Authority
- CN
- China
- Prior art keywords
- nib
- shaping
- heating
- shaping nib
- extrusion molding
- Prior art date
- 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
-
- 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
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/865—Heating
-
- 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
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of anti-blockage type extrusion molding die head, including extrusion die, extrusion is provided with the shaping nib run through along its thickness direction on getting to know, heating anti-blocking mechanism is provided with shaping nib, the present invention in traditional extrusion die by setting up heating side's blockage mechanism, the effective clogging for solving extrusion die, improves the efficiency of production.
Description
Technical field
The present invention relates to a kind of mould, and in particular to a kind of die head for molten plastic extrusion molding.
Background technology
Extrusion molding die head plays important angle as the essential part of extruder during extrusion molding
Color, prior art provide extrusion molding die head, in process of production usually can blockage phenomenon, so as to greatly reduce life
The efficiency of production, simultaneously because the structure problem of existing extrusion molding die head, the more difficult dredging of die head after blocking, it usually needs more
The extrusion molding die head renewed, virtually adds the cost of production.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide one kind is simple in construction, reliable function realization it is anti-
Blocking type extrusion molding die head.
To realize above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.
A kind of anti-blockage type extrusion molding die head, it includes extrusion die, extrudes and is provided with getting to know along its thickness direction
Heating anti-blocking mechanism is provided with the shaping nib run through, shaping nib；Described heating anti-blocking mechanism is coaxially detachable
Be socketed in shaping nib, heating anti-blocking mechanism includes heating plug, for supporting heating plug and for by heating core
Rod is arranged on the installation stop sleeve in shaping nib, and described installation stop sleeve offers through hole for the one end open other end
Circular cylindrical shape cylinder, described heating plug coaxial sleeve be connected to installation stop sleeve inside, described installation stop sleeve is same
Axle pivot bush unit installs stop sleeve open end side place plane and extrusion die charging side place inside above-mentioned circular groove
Plane is overlapped.
As a further improvement on the present invention.
Central axis of the pore size of described shaping nib along shaping nib is extremely molded by the feed end of shaping nib
The discharge end of nib is gradually reduced, and the meaning using such a design is, in molten plastic by extrusion die, by shaping nib
Feed end flow direction shaping nib discharge end during, it is therefore constant in flow because the aperture for being molded nib is gradually reduced
In the case of, aperture is smaller, and the pressure and flow velocity of the molten plastic in aperture are flowed through in the unit interval and will all be increased, therefore is more leaned on
The discharge end of nearly shaping nib, the flow velocity and pressure of molten plastic are bigger, so as to be conducive to the extrusion molding of molten plastic.
As a further improvement on the present invention.
The circular groove for installing heating anti-blocking mechanism is additionally provided with above-mentioned shaping nib feed end, described circular groove is same
Axle is arranged at shaping nib feed end, and circular groove diameter is more than the maximum gauge of shaping nib, therefore circular groove and shaping nib
The boss that boundary formation one is narrowed along shaping nib hole wall to circular groove center, takes the advantage of such a design to be, passes through
Isometrical circular groove is opened up in tapered shaping nib, the cooperation for reducing heating anti-blocking mechanism and shaping nib is difficult
Degree, while motion of the boss formed also to heating anti-blocking mechanism along the axial direction for being molded nib is constrained, enters one
Step reduces assembly difficulty, improves assembly precision.
As a further improvement on the present invention.
Described heating plug is uniform isometrical cylinder, and is molded the minimum diameter and heating plug diameter difference of nib
The scope of value is 5-8mm.
As a further improvement on the present invention.
The diameter of described heating plug points to going out for shaping mould hole along its center axis by the feed end of shaping nib
Material end is gradually reduced, and heating plug external cylindrical surface to shaping the distance between nib hole wall be 5-8mm, using such a design
Meaning be, can control the plastics after extrusion molding wall thickness keep be uniformly distributed, it is to avoid because Thickness Distribution inequality is made
Into plastics phenomenon of rupture, so as to influence the lasting progress of production.
As a further improvement on the present invention.
Plane where being located at the side of shaping mould hole feed end on described heating plug length direction is located at extrusion die
The top of plane where feeding side, so that convenient heating plug connects with thermal source, described heating plug length direction is upper
Overlapped in plane where the side of shaping nib discharge end with plane where extrusion die discharging side, using the meaning of such a design
Justice is, it is to avoid heating plug exposes extrusion die, prevents from heating the damage of plug, while departing from it also avoid molten plastic
During extrusion die, the heating plug for stretching out shaping nib continues to plastic heating, is unfavorable for the cooling and shaping of plastics.
The beneficial effect of the present invention compared with prior art is, is blocked by setting up heating side in traditional extrusion die
Mechanism, effectively solves the clogging of extrusion die, improves the efficiency of production.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the invention.
Fig. 2 is structural representation of the invention.
Fig. 3 is explosive view of the invention.
Fig. 4 is sectional view of the invention.
Fig. 5 is sectional view of the invention.
Fig. 6 is present invention heating anti-blocking mechanism schematic diagram.
Fig. 7 is present invention heating anti-blocking mechanism schematic diagram.
It is denoted as in figure：10th, extrusion die；11st, it is molded nib；
20th, anti-blocking mechanism is heated；21st, plug is heated；The 22nd, stop sleeve is installed.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art are not under the premise of creative work is made, the every other reality obtained
Example is applied, the scope of the present invention is belonged to.
Referring to accompanying drawing 1,2,5, a kind of anti-blockage type extrusion molding die head, including extrusion die 10, extrusion are got to know and set on 10
It is equipped with the shaping nib 11 run through along its thickness direction, shaping nib 11 and is provided with heating anti-blocking mechanism 20.
More perfect, the pore size edge of described shaping nib 11 is molded the central axis of nib 11 by shaping nib
11 feed end to the discharge end for being molded nib 11 is gradually reduced, and the meaning using such a design is, passes through in molten plastic
Extrusion die 10, during the feed end flow direction shaping discharge end of nib 11 of shaping nib 11, due to shaping nib 11
Aperture is gradually reduced, therefore in the case where flow is constant, aperture is smaller, and the pressure of the molten plastic in aperture is flowed through in the unit interval
Power and flow velocity will all increase, therefore closer to the discharge end of shaping nib 11, the flow velocity and pressure of molten plastic are bigger, from
And be conducive to the extrusion molding of molten plastic.
More optimize, be additionally provided with the above-mentioned feed end of shaping nib 11 for installing heating anti-blocking mechanism 20
Circular groove, described circular groove is coaxially disposed in the shaping feed end of nib 11, and circular groove diameter is more than the maximum gauge of shaping nib 11,
Therefore the boss that the boundary formation one of circular groove and shaping nib 11 is narrowed along the shaping hole wall of nib 11 to circular groove center, takes
The advantage of such a design is, by opening up isometrical circular groove in tapered shaping nib 11, reduces heating anti-blocking
Mechanism 20 and the cooperation difficulty of shaping nib 11 are filled in, while the boss formed is also to heating anti-blocking mechanism 20 along shaping nib 11
The motion of axial direction constrained, reduce further assembly difficulty, improve assembly precision.
Described heating anti-blocking mechanism 20 is coaxial to be removably socketed in shaping nib 11, heats anti-blocking mechanism 20
Including heating plug 21, for supporting heating plug 21 and for the installation branch that plug 21 is arranged in shaping nib 11 will to be heated
Support set cylinder 22, described installation stop sleeve 22 offers the circular cylindrical shape cylinder of through hole for the one end open other end, described
Heating plug 21 is coaxial to be socketed on inside installation stop sleeve 22, and the described coaxial pivot bush unit of installation stop sleeve 22 is in above-mentioned
Inside circular groove, and plane where the installation open end side of stop sleeve 22 is overlapped with plane where the charging of extrusion die 10 side, institute
The heating plug 21 stated is uniform isometrical cylinder, and is molded the minimum diameter and the heating difference in diameter of plug 21 of nib 11
Scope is 5-8mm, preferably 6-7mm.
More perfect, the diameter of described heating plug 21 is referred to along its center axis by the feed end of shaping nib 11
It is gradually reduced to the discharge end of shaping nib 11, and the external cylindrical surface of heating plug 21 is to the distance between nib hole wall is molded
5-8mm, preferably 6-7mm, the meaning using such a design are, the wall thickness of the plastics after extrusion molding can be controlled to keep
It is uniformly distributed, it is to avoid because Thickness Distribution inequality causes plastics phenomenon of rupture, so as to influence the lasting progress of production.
More optimize, the side place that the feed end of shaping mould hole 11 is located on the described heating length direction of plug 21 is flat
Face feeds the top of side place plane positioned at extrusion die 10, so that convenient heating plug 21 connects with thermal source, described adds
Positioned at plane where the side of the discharge end of shaping mould hole 11 and the discharging of extrusion die 10 side place on the hot length direction of plug 21
Plane is overlapped, and the meaning using such a design is, it is to avoid heating plug 21 exposes extrusion die 10, prevents from heating plug 21
Damage, while during it also avoid molten plastic disengaging extrusion die 10, stretching out the heating plug 21 of shaping nib 11
Continue to plastic heating, be unfavorable for the cooling and shaping of plastics.
And the foregoing description of the disclosed embodiments, professional and technical personnel in the field is realized or use this hair
It is bright；A variety of modifications to these embodiments will be apparent for those skilled in the art, institute in the present invention
The General Principle of definition can in other embodiments be realized in the case where not departing from the spirit or scope of the present invention.Cause
This, the present invention will not be defined to the embodiments shown herein, and be to fit to and principles disclosed herein and new
The consistent most wide scope of clever feature.
Claims (6)
1. a kind of anti-blockage type extrusion molding die head, it is characterised in that it includes extrusion die, extrudes and is provided with getting to know along it
Heating anti-blocking mechanism is provided with the shaping nib that thickness direction runs through, shaping nib；Described heating anti-blocking mechanism is same
Axle is removably socketed in shaping nib, and heating anti-blocking mechanism includes heating plug, for supporting heating plug and being used for
The installation stop sleeve that plug is arranged in shaping nib will be heated, described installation stop sleeve is opened for the one end open other end
Circular cylindrical shape cylinder provided with through hole, described heating plug coaxial sleeve is connected to inside installation stop sleeve, described installation branch
Plane is fed the coaxial pivot bush unit of support set cylinder with extrusion die inside above-mentioned circular groove, and where installation stop sleeve open end side
Plane is overlapped where side.
2. a kind of anti-blockage type extrusion molding die head according to claim 1, it is characterised in that described shaping nib
Central axis of the pore size along shaping nib is gradually reduced by feed end to the discharge end for being molded nib of shaping nib.
3. a kind of anti-blockage type extrusion molding die head according to claim 1 or 2, it is characterised in that above-mentioned shaping nib
The circular groove for installing heating anti-blocking mechanism is additionally provided with feed end, described circular groove is coaxially disposed in shaping nib charging
End, and circular groove diameter is more than the maximum gauge of shaping nib, one edge shaping nib of boundary formation of circular groove and shaping nib
The boss that hole wall is narrowed to circular groove center.
4. a kind of anti-blockage type extrusion molding die head according to claim 1, it is characterised in that described heating plug is
Uniform isometrical cylinder, and the minimum diameter of shaping nib and the scope of heating plug difference in diameter are 5-8mm.
5. a kind of anti-blockage type extrusion molding die head according to claim 1, it is characterised in that described heating plug
The discharge end that diameter points to shaping mould hole along its center axis by the feed end of shaping nib is gradually reduced, and heating plug
External cylindrical surface is 5-8mm to the distance between nib hole wall is molded.
6. a kind of anti-blockage type extrusion molding die head according to claim 4 or 5, it is characterised in that described heating core
It is located at the upper of plane where extrusion die feeds side positioned at plane where the side of shaping mould hole feed end on rod length direction
It is square, plane where being located at the side of shaping mould hole discharge end on described heating plug length direction and extrusion die discharging side
Place plane is overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593050.9A CN107283788A (en) | 2017-07-19 | 2017-07-19 | A kind of anti-blockage type extrusion molding die head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593050.9A CN107283788A (en) | 2017-07-19 | 2017-07-19 | A kind of anti-blockage type extrusion molding die head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107283788A true CN107283788A (en) | 2017-10-24 |
Family
ID=60102378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710593050.9A Pending CN107283788A (en) | 2017-07-19 | 2017-07-19 | A kind of anti-blockage type extrusion molding die head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107283788A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805266A (en) * | 2019-04-01 | 2019-05-28 | 董建平 | Portable multifunctional fresh-cut lettuce machine |
| CN110815770A (en) * | 2019-11-25 | 2020-02-21 | 安徽中鼎橡塑制品有限公司 | A one-out multi-blow molding die structure |
| CN114193666A (en) * | 2021-12-20 | 2022-03-18 | 界首市双特新材料科技有限公司 | Method for recycling, modifying and regenerating waste ABS (acrylonitrile butadiene styrene) composite plastic |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003062889A (en) * | 2001-08-27 | 2003-03-05 | Japan Steel Works Ltd:The | Method for heating plastic extrusion die, plastic extrusion die, and extrusion machine |
| CN205185269U (en) * | 2015-12-15 | 2016-04-27 | 贵州美嘉塑胶有限公司 | Plastic extrusion mould |
-
2017
- 2017-07-19 CN CN201710593050.9A patent/CN107283788A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003062889A (en) * | 2001-08-27 | 2003-03-05 | Japan Steel Works Ltd:The | Method for heating plastic extrusion die, plastic extrusion die, and extrusion machine |
| CN205185269U (en) * | 2015-12-15 | 2016-04-27 | 贵州美嘉塑胶有限公司 | Plastic extrusion mould |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805266A (en) * | 2019-04-01 | 2019-05-28 | 董建平 | Portable multifunctional fresh-cut lettuce machine |
| CN110815770A (en) * | 2019-11-25 | 2020-02-21 | 安徽中鼎橡塑制品有限公司 | A one-out multi-blow molding die structure |
| CN114193666A (en) * | 2021-12-20 | 2022-03-18 | 界首市双特新材料科技有限公司 | Method for recycling, modifying and regenerating waste ABS (acrylonitrile butadiene styrene) composite plastic |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171024 |
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| WD01 | Invention patent application deemed withdrawn after publication |