CN109263015A - A kind of method and device that extruder discharging mouth can be made to prevent salivation - Google Patents
A kind of method and device that extruder discharging mouth can be made to prevent salivation Download PDFInfo
- Publication number
- CN109263015A CN109263015A CN201811282519.8A CN201811282519A CN109263015A CN 109263015 A CN109263015 A CN 109263015A CN 201811282519 A CN201811282519 A CN 201811282519A CN 109263015 A CN109263015 A CN 109263015A
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- Prior art keywords
- valve plug
- movable valve
- extruding cavity
- extruder
- core base
- 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.)
- Pending
Links
- 206010039424 Salivary hypersecretion Diseases 0.000 title claims abstract description 21
- 208000026451 salivation Diseases 0.000 title claims abstract description 21
- 238000007599 discharging Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000002994 raw material Substances 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005491 wire drawing Methods 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of method and device that extruder discharging mouth can be made to prevent salivation, including nozzle, nozzle has extruding cavity, is provided with valve core base, movable valve plug and butterfly spring in extruding cavity；The butterfly spring setting is provided with movable valve plug in extruding cavity bottom, and precompressed setting in movable valve plug bottom surface has tip in butterfly spring upper end, movable valve plug top surface；The middle position of valve core base top surface offers circular hole, and circular hole and extruding cavity penetrate through, and valve core base bottom surface is pressed on the tip of movable valve plug；Extruding cavity two sides inner wall is provided with internal screw thread, and valve core base is provided with external screw thread close to internal screw thread on one side, and valve core base screw thread is screwed on extruding cavity.The configuration of the present invention is simple, smaller compared to the needle valve volume of congenerous, production difficulty is small, the phenomenon that power for needing to heat when in use is lower, while effectively preventing extruder at the end of squeezing out work, the salivation wire drawing that nozzle occurs, the quality for not only guaranteeing product, also saves cost of material.
Description
Technical field
The invention belongs to plastic extruder technical fields, and in particular to a kind of side that extruder discharging mouth can be made to prevent salivation
Method and device.
Technical background
Screw extruder is most basic, the most common production equipment in plastics manufacturing industry.The work of screw-type extruder
Mechanism is that screw rod is relied on to rotate generated pressure and shearing force, and material can be allowed sufficiently to carry out plasticizing and uniformly mix
It closes, is formed by mouth mold, so an extruder can be completed at the same time mixing, plasticizing and the series of process such as form, from
And continuously produced, while being equipped with filter device on extruder barrel or nozzle, impurity is carried out by filter device
Filtering, and then guarantee the purity for entering the material of nozzle, the quality of product is improved, but since the plastic raw materials of extrusion have centainly
Surge, surge can damage the filter device being arranged on nozzle, influence working efficiency.And screw extruder is being infused
When molding product, can according to the different shape and different material of plasthetics set different extrusion parameters, especially mobility compared with
Good plastics, if firing rate is penetrated when pressing higher, nozzle mouth can generate salivation and wire drawing phenomenon at the end of pressure maintaining, while in extruder
At the end of squeezing out work, it may appear that the phenomenon that flowing out melt out of nozzle, such phenomenon are known as nozzle salivation, and nozzle salivates not only
It will cause product exception, while can also waste raw material, increase cost.
The mode of the existing anti-salivation of extruder generally will use needle valve, but structure is complicated for needle valve, expensive
And it is difficult in maintenance.
Summary of the invention
The shortcomings that the technical problem to be solved by the present invention is to overcome the prior arts, providing a kind of can make extruder discharging mouth anti-
The device of fluid stopping saliva.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions: a kind of to make extruder discharging mouth
Prevent the device of salivation, including nozzle, the nozzle has extruding cavity, be provided in extruding cavity valve core base, movable valve plug with
Butterfly spring.
As a preferred technical solution of the present invention, butterfly spring is arranged in extruding cavity bottom, is provided with activity
Spool, movable valve plug bottom surface precompressed setting have tip in butterfly spring upper end, movable valve plug top surface.
As a preferred technical solution of the present invention, the middle position of valve core base top surface offers circular hole, circular hole with
Extruding cavity perforation, valve core base bottom surface is pressed on the tip of movable valve plug.
As a preferred technical solution of the present invention, extruding cavity two sides inner wall is provided with internal screw thread, and valve core base is close
Internal screw thread is provided with external screw thread on one side, and valve core base screw thread is screwed on extruding cavity.
As a preferred technical solution of the present invention, be additionally provided with link block in extruding cavity, link block along extruding cavity to
The setting of heart direction, there are two link block settings, is respectively and fixedly installed to above the internal screw thread of extruding cavity two sides inner wall setting, connection
Block upper end is connected with filtering buffer structure
As a preferred technical solution of the present invention, filtering buffer structure includes dsah-pot, filtering support frame and filter screen, is delayed
It is affixed with link block to rush cylinder, dsah-pot is intracavitary to be provided with spring and bumper post, and spring is fixed on dsah-pot bottom of chamber portion, affixed thereon
There is stripper plate, the bumper post bottom end connects stripper plate, and top upwardly extends through dsah-pot and connect with filtering support frame.
As a preferred technical solution of the present invention, support frame hollow out up and down is filtered, the middle position of support frame is filtered
It is clamped filter screen, filter screen is three layers of 80-100 mesh steel mesh structure.
The present invention provides a kind of application method of device that extruder discharging mouth can be made to prevent salivation, including following operation step
Suddenly；
S1: butterfly spring is put into the extruding cavity bottom of nozzle by operator in such a way that pairing combines；
S2: being in extruding cavity bottom by butterfly spring in S1, is put into movable valve plug, movable valve plug bottom surface precompressed butterfly spring, top
Face tip is upward；
S3: upward, valve core base spiral is tightened in the extruding cavity of nozzle, valve core base by movable valve plug top surface tip in S2
Bottom surface be pressed in movable valve plug tip, the precompressed to disk spring is provided；
S4: operator starts extruder, and raw material is pushed into the extruding cavity of nozzle by extruder inside extruder, and raw material passes through valve
Circular hole among core pedestal is directed to the tip of movable valve plug；
S5: when raw material internal pressure reaches the demand dynamics of butterfly spring, butterfly spring is pushed down on by movable valve plug compression,
Raw material is entered below extruding cavity by movable valve plug, is finally squeezed delivery nozzle；
S6: operator closes extruder, and butterfly spring is no longer influenced by the pressure that compression needs, and butterfly spring resets, and jacks up work
Movable valve plug pushes up movable valve plug, and the circular hole among upper valve core pedestal is closed at movable valve plug tip upward.
The beneficial effects obtained by the present invention are as follows being:
1, the configuration of the present invention is simple, use is safe, smaller compared to the needle valve volume of congenerous, and production difficulty is small, when in use
The power for needing to heat is lower.
2, the present invention can put in order and combine according to the characteristic of different extruded materials, briquetting pressure adjustment disk spring
Mode keeps its internal briquetting pressure more accurate.
3, present invention effectively prevents extruders at the end of squeezing out work, the salivation wire drawing phenomenon occurred in nozzle, no
The quality for only guaranteeing product, also saves cost of material.
4, the setting of filter screen of the present invention stops impurity, the foreign matter in raw material at strainer, improves product quality, together
When filter screen there is certain buffer capacity, the case where filter screen damages caused by greatly reducing because of impact force.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the enlarged structure schematic diagram of A in Fig. 1 of the present invention.
Figure label: 1, nozzle；2, movable valve plug；3, valve core base；4, butterfly spring；5, link block；6, filtering buffering
Structure；61, dsah-pot；611, spring；612, bumper post；613, stripper plate；62, support frame is filtered；63, filter screen；7, it squeezes out
Chamber.
Specific embodiment
In the description of the present invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment: as shown in Figs. 1-2, the present invention provide it is a kind of can make extruder discharging mouth prevent salivation method and dress
It sets, including nozzle 1, the nozzle 1 has extruding cavity, is provided with valve core base 3, movable valve plug 2 and butterfly spring in extruding cavity
4；The setting of butterfly spring 4 is provided with movable valve plug 2 in extruding cavity bottom, and 2 bottom surface precompressed of movable valve plug is arranged in butterfly
4 upper end of shape spring, 2 top surface of movable valve plug have tip；The middle position of 3 top surface of valve core base offers circular hole, circular hole
It is penetrated through with extruding cavity, 3 bottom surface of valve core base is pressed on the tip of movable valve plug 2；Extruding cavity two sides inner wall is provided with interior spiral shell
Line, valve core base 3 are provided with external screw thread close to internal screw thread on one side, and 3 screw thread of valve core base is screwed on extruding cavity.
Link block 5 is additionally provided in extruding cavity 7, link block 5 is arranged along 7 centripetal direction of extruding cavity, and link block 5 is provided with two
It is a, it is respectively and fixedly installed to above the internal screw thread of 7 two sides inner wall of extruding cavity setting, 5 upper end of link block is connected with filtering buffering knot
Structure 6.
Filtering buffer structure 6 includes dsah-pot 61, filtering support frame 62 and filter screen 63, and dsah-pot 61 and link block 5 are solid
It connects, dsah-pot 61 is intracavitary to be provided with spring 611 and bumper post 612, and spring 611 is fixed on 61 bottom of chamber portion of dsah-pot, affixed thereon
There is stripper plate 613,612 bottom end of bumper post connects stripper plate 613, and top upwardly extends through dsah-pot 61 and props up with filtering
Support 62 connects.
About 62 hollow out of support frame is filtered, the middle position of filtering support frame 62 is clamped filter screen 63, and filter screen 63 is three
Layer 80-100 mesh steel mesh structure.
Working principle:
S1: butterfly spring 4 is put into the extruding cavity bottom of nozzle 1 by operator in such a way that pairing combines；
S2: being in extruding cavity bottom by butterfly spring 4 in S1, is put into movable valve plug 2,2 bottom surface precompressed butterfly spring of movable valve plug
4, top surface tip is upward；
S3: upward, 3 spiral of valve core base is tightened in the extruding cavity of nozzle 1, spool by 2 top surface tip of movable valve plug in S2
The bottom surface of pedestal 3 is pressed in 2 tip of movable valve plug, provides the precompressed to disk spring 4；
S4: operator starts extruder, and raw material is pushed into the extruding cavity of nozzle 1 by extruder inside extruder, and raw material passes through
Circular hole among valve core base 3 is directed to the tip of movable valve plug 2；
S5: when raw material internal pressure reaches the demand dynamics of butterfly spring 4, butterfly spring 4 is pushed down on by the compression of movable valve plug 2
Dynamic, raw material is entered below extruding cavity by movable valve plug 2, is finally squeezed delivery nozzle 1；
S6: operator closes extruder, and butterfly spring 4 is no longer influenced by the pressure that compression needs, and butterfly spring 4 resets, and jacks up
Movable valve plug 2 pushes up movable valve plug 2, and the circular hole among upper valve core pedestal 3 is closed at 2 tip of movable valve plug upward.
At work, raw material is pushed into the extruding cavity of nozzle 1 present invention by extruder inside extruder first, and raw material is logical
It crosses first by filter screen 63, since the raw material being pushed into inside extruder has certain pressure, by filtering support frame
Dsah-pot 61 is arranged in 62 lower sections, can have the function that slow down raw material impact.Since the circular hole among valve core base 3 is directed to activity
The tip of spool 2, when raw material internal pressure reaches the demand dynamics of butterfly spring 4, butterfly spring 4 is compressed by movable valve plug 2
It pushes down on, raw material will enter 1 lower section of nozzle by movable valve plug 2, finally be squeezed delivery nozzle 1；When squeezing out work stopping,
Butterfly spring 4 is no longer influenced by the pressure that compression needs, and butterfly spring 4 resets, and jacking up movable valve plug 2 keeps movable valve plug 2 upward
It pushes, the circular hole among the position closing upper valve core pedestal 3 of 2 tip of movable valve plug upward, to achieve the purpose that anti-salivation.
Finally, it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (8)
1. a kind of device that extruder discharging mouth can be made to prevent salivation, which is characterized in that including nozzle (1), nozzle (1) tool
Have extruding cavity (7), valve core base (3), movable valve plug (2) and butterfly spring (4) are provided in extruding cavity (7).
2. a kind of device that extruder discharging mouth can be made to prevent salivation as described in claim 1, which is characterized in that the butterfly
Spring (4) is arranged in extruding cavity (7) bottom, is provided with movable valve plug (2), and movable valve plug (2) bottom surface precompressed is arranged in butterfly
Shape spring (4) upper end, movable valve plug (2) top surface have tip.
3. a kind of device that extruder discharging mouth can be made to prevent salivation as claimed in claim 2, which is characterized in that the spool
The middle position of pedestal (3) top surface offers circular hole, and circular hole and extruding cavity (7) penetrate through, and valve core base (3) bottom surface is pressed in moving valve
On the tip of core (2).
4. a kind of device that extruder discharging mouth can be made to prevent salivation as described in claim 1, which is characterized in that the extrusion
Chamber (7) two sides inner wall is provided with internal screw thread, and valve core base (3) is provided with external screw thread, valve core base (3) close to internal screw thread on one side
Screw thread is screwed on extruding cavity (7).
5. a kind of device that extruder discharging mouth can be made to prevent salivation as claimed in claim 4, which is characterized in that the extrusion
It is additionally provided with link block (5) in chamber (7), link block (5) is arranged along extruding cavity (7) centripetal direction, and link block (5) is provided with two
It is a, it is respectively and fixedly installed to above the internal screw thread of extruding cavity (7) two sides inner wall setting, it is slow that link block (5) upper end is connected with filtering
Rush structure (6).
6. a kind of device that extruder discharging mouth can be made to prevent salivation as claimed in claim 5, which is characterized in that the filtering
Buffer structure (6) includes that dsah-pot (61), filtering support frame (62) and filter screen (63), dsah-pot (61) and link block (5) are solid
It connects, dsah-pot (61) is intracavitary to be provided with spring (611) and bumper post (612), and spring (611) is fixed on dsah-pot (61) bottom of chamber
Portion is connected with stripper plate (613) thereon, and bumper post (612) bottom end connects stripper plate (613), and dsah-pot is run through on top
(61) it upwardly extends and is connect with filtering support frame (62).
7. a kind of device that extruder discharging mouth can be made to prevent salivation as claimed in claim 6, which is characterized in that the filtering
Hollow out, the middle position of filtering support frame (62) are clamped filter screen (63) to support frame (62) up and down, and filter screen (63) is three layers of 80-
100 mesh steel mesh structures.
8. a kind of application method of device that extruder discharging mouth can be made to prevent salivation as claimed in claim 1,
It is characterized in that, operating procedure includes:
S1: butterfly spring (4) is put into extruding cavity (7) bottom of nozzle (1) by operator in such a way that pairing combines；
S2: being in extruding cavity (7) bottom by butterfly spring in S1 (4), be put into movable valve plug (2), movable valve plug (2) bottom surface precompressed
Butterfly spring (4), top surface tip is upward；
S3: upward by movable valve plug in S2 (2) top surface tip, valve core base (3) spiral is tightened in the extruding cavity of nozzle (1)
(7) in, the bottom surface of valve core base (3) is pressed in movable valve plug (2) tip, provides the precompressed to disk spring (4)；
S4: operator starts extruder, and raw material is pushed into the extruding cavity (7) of nozzle (1) by extruder inside extruder, raw material
The tip of movable valve plug (2) is directed to by the intermediate circular hole of valve core base (3)；
S5: when raw material internal pressure reaches the demand dynamics of butterfly spring (4), butterfly spring (4) is compressed by movable valve plug (2)
It pushes down on, raw material is entered below extruding cavity (7) by movable valve plug (2), is finally squeezed delivery nozzle (1)；
S6: operator closes extruder, and butterfly spring (4) is no longer influenced by the pressure that compression needs, and butterfly spring (4) resets, and
Jacking up movable valve plug (2) pushes up movable valve plug (2), and it is intermediate that upper valve core pedestal (3) is closed at movable valve plug (2) tip upward
Circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282519.8A CN109263015A (en) | 2018-10-31 | 2018-10-31 | A kind of method and device that extruder discharging mouth can be made to prevent salivation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282519.8A CN109263015A (en) | 2018-10-31 | 2018-10-31 | A kind of method and device that extruder discharging mouth can be made to prevent salivation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109263015A true CN109263015A (en) | 2019-01-25 |
Family
ID=65191748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811282519.8A Pending CN109263015A (en) | 2018-10-31 | 2018-10-31 | A kind of method and device that extruder discharging mouth can be made to prevent salivation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109263015A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1004217A (en) * | 1962-05-09 | 1965-09-15 | Chemcell 1963 Ltd | Melt-spinning method and apparatus |
| CN2609669Y (en) * | 2003-04-30 | 2004-04-07 | 黄德超 | Pressure adjustable anti-leakage spray of glue melting gun |
| DE202004015115U1 (en) * | 2004-09-29 | 2005-02-24 | Hans Huber Ag Maschinen- Und Anlagenbau | Separator to remove sludge and solids from effluent water has cylindrical helical profile rotating within cylindrical basket and housing |
| US20120100245A1 (en) * | 2010-10-20 | 2012-04-26 | Md Plastics Incorporated | Miniature automatic shutoff nozzle tip |
| KR20160035339A (en) * | 2014-09-23 | 2016-03-31 | 한국지질자원연구원 | Protection and prevention clogging apparatus for head of water pump |
| CN207579057U (en) * | 2017-12-07 | 2018-07-06 | 洛阳高铭塑料有限公司 | A kind of extruder die head filtering net fixed device |
-
2018
- 2018-10-31 CN CN201811282519.8A patent/CN109263015A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1004217A (en) * | 1962-05-09 | 1965-09-15 | Chemcell 1963 Ltd | Melt-spinning method and apparatus |
| CN2609669Y (en) * | 2003-04-30 | 2004-04-07 | 黄德超 | Pressure adjustable anti-leakage spray of glue melting gun |
| DE202004015115U1 (en) * | 2004-09-29 | 2005-02-24 | Hans Huber Ag Maschinen- Und Anlagenbau | Separator to remove sludge and solids from effluent water has cylindrical helical profile rotating within cylindrical basket and housing |
| US20120100245A1 (en) * | 2010-10-20 | 2012-04-26 | Md Plastics Incorporated | Miniature automatic shutoff nozzle tip |
| KR20160035339A (en) * | 2014-09-23 | 2016-03-31 | 한국지질자원연구원 | Protection and prevention clogging apparatus for head of water pump |
| CN207579057U (en) * | 2017-12-07 | 2018-07-06 | 洛阳高铭塑料有限公司 | A kind of extruder die head filtering net fixed device |
Non-Patent Citations (1)
| Title |
|---|
| 机械基础课程建设团队编；李敏科，程联社主编, 西安交通大学出版社 * |
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Application publication date: 20190125 |
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