CN101899718B - Blanking method and blanking device - Google Patents
Blanking method and blanking device Download PDFInfo
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- CN101899718B CN101899718B CN2010102391410A CN201010239141A CN101899718B CN 101899718 B CN101899718 B CN 101899718B CN 2010102391410 A CN2010102391410 A CN 2010102391410A CN 201010239141 A CN201010239141 A CN 201010239141A CN 101899718 B CN101899718 B CN 101899718B
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- surge tank
- blanking
- flange
- screw extruder
- tremie pipe
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Abstract
The invention aims to provide a blanking method and a blanking device, in particular provides a blanking method and a blanking device for nylon spinning. The blanking method comprises the step that a spinning raw material is fed to a screw extruder from a spinning feed bin through a blanking pipe under the action of gravity, and is characterized in that after passing through the blanking pipe, the spinning raw material enters an obconical buffer tank; the lower part of the buffer tank is necked gradually and is used for fixing a discharge flange, and the discharge flange is matched with an inlet of the screw extruder; and the spinning raw material enters the screw extruder through the discharge flange below the buffer tank. The blanking method and the device thereof solve the problem of quality fluctuation of products caused by frequent pressure fluctuation at the inlet of the screw extruder due to the flow velocity fluctuation of the raw material in the blanking process, and make up the defects of easy bridging and unsmooth local feeding in pipelines of the prior art.
Description
Technical field
The present invention relates to a kind of baiting method and device thereof, particularly relate to a kind of baiting method and device thereof of extrusion spinning.
Background technology
Spinning material directly feeds screw extruder through tremie pipe from the spinning feed bin under the gravity effect, the main drawback of conventional connected mode has 2 points, at first is the variation (when particularly feeding intake) along with big spinning bin-level; Spinning material is because the pressure that the gravity effect produces is applied directly to screw extruder; Making that the pressure oscillation of screw extruder porch is frequent, finally cause the quality fluctuation of product, secondly is to form easily in the pipeline to put up a bridge; Because the factor of static; Make the part under feeding, cause blanking not smooth, can cause the car accident of jumping when serious.
Summary of the invention
The purpose of this invention is to provide a kind of baiting method and device thereof; A kind of baiting method and device thereof of extrusion spinning particularly are provided; The pressure oscillation of the screw extruder porch that the invention solves former flow velocity perturbation in the blanking process and cause frequently, finally causes the problem of the quality fluctuation of product, has remedied to form easily in the prior art pipeline to put up a bridge, make the not smooth deficiency of local feed.
A kind of baiting method of the present invention; Comprise that spinning material feeds screw extruder through tremie pipe from the spinning feed bin under the gravity effect, spinning material gets into the back taper surge tank through behind the tremie pipe; The maximum cross-section area of back taper surge tank is the twice of tremie pipe cross-sectional area at least; Close up and the stationary exit flange gradually in described surge tank bottom, the inlet of outlet(discharge) flange and screw extruder matches, and spinning material gets into screw extruder via the outlet(discharge) flange of surge tank below then.
Aforesaid a kind of baiting method, described surge tank profile is chamfered edge taper or turbination.
The present invention also provides a kind of blanking device, comprises the spinning feed bin and is positioned at the RC tremie pipe in spinning feed bin bottom, and it is characterized in that: said tremie pipe is connected through surge tank and screw extruder.
Wherein, aforesaid a kind of blanking device, described surge tank is made up of the hollow tank body of back taper, jar mouth and the outlet(discharge) flange of upper surface sealing; The jar mouth is a cylindrical pipe, is positioned at tank body upper surface centre, and its lower end and tank body upper surface fuse; There is an adpting flange jar mouth upper end; The flange butt joint of this adpting flange and tremie pipe lower end, outlet(discharge) flange is fixed on the tank body below, is used for the connecting screw rod extruder.
Aforesaid a kind of blanking device, the hollow tank body of described back taper are chamfered edge taper or the hollow tank body of turbination.
Aforesaid a kind of blanking device is connected with a telescoping tube between described jar mouth and the tremie pipe.
Aforesaid a kind of blanking device is equipped with a by-pass valve control on the described tremie pipe.
Aforesaid a kind of blanking device, all sides of described surge tank are equipped with a form.
Blanking device of the present invention, not welding is also seamless between the tank interior face of surge tank and the face; Very smooth, all pads make things convenient for particle to pass through smoothly entirely outside; Jar interior sealing effectiveness is very good in addition, be enough to guarantee the material quality, and whole profile looks very attractive in appearance.The raw material of just driving drops into the big material bin on upper strata; Behind positions such as intermediate conduit, valve, telescoping tube, get into surge tank smoothly, the timely controlling opening of valve of basic condition of the form reflection through buffering; After surge tank is filled; The blanking valve is all opened, and through the rotation of screw extruder, the particle in the surge tank enters in the extruder very uniformly.
The surge tank that is applicable to a kind of baiting method of the present invention also comprises: the beveled structure device is done in A, screw extruder porch; The device of B, use throttling porous plate; C, working pressure control valve device; D uses the N2 protective device; E, use metering device; F, use spiral tube device etc.The purpose that cushions is realized in the path that the present invention passes through through the sectional area that changes raw material and pass through and raw material.
Beneficial effect of the present invention
A kind of baiting method of the present invention, novel, economic and practical, cost is low, and is easy and simple to handle; Variation through blanking process volume has realized pooling feature effectively, and the screw extruder inlet pressure is stable.
A kind of blanking device of the present invention, rational in infrastructure, reliable, good buffer effect; All stainless steel can not corrode good sealing effect, high insulating effect.
Description of drawings
Fig. 1 is the structural representation of a kind of blanking device of the present invention.
Among the figure: the 1st, adpting flange 2 is that jar mouth 3 is that tank body 4 is that form 5 is that outlet(discharge) flange 6 is that spinning feed bin 7 is that valve 8 is that tremie pipe 9 is that telescoping tube 10 is screw extruders.
The specific embodiment
Below in conjunction with the specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
A kind of baiting method of the present invention; Comprise that spinning material feeds screw extruders 10 through tremie pipe 8 from spinning feed bin 6 under the gravity effect; Spinning material is through behind the tremie pipe 8; Get into the back taper surge tank, the maximum cross-section area of back taper surge tank is the twice of tremie pipe cross-sectional area at least, closes up and stationary exit flange 5 gradually in described surge tank bottom; Outlet(discharge) flange 5 matches with the inlet of screw extruder 10, and spinning material gets into screw extruder 10 via the outlet(discharge) flange 5 of surge tank below then.
Aforesaid a kind of baiting method, described surge tank profile is chamfered edge taper or turbination.
The present invention also provides a kind of blanking device, comprises spinning feed bin 6 and is positioned at the RC tremie pipe 8 in spinning feed bin bottom, and it is characterized in that: said tremie pipe 8 is connected 10 through surge tank and screw extruder.
Wherein, aforesaid a kind of blanking device, described surge tank is made up of the hollow tank body of the back taper of upper surface sealing 3, jar mouth 2 and outlet(discharge) flange 5; Jar mouth 2 is a cylindrical pipe, is positioned at tank body 3 upper surface centres, and its lower end and tank body 3 upper surfaces fuse; There is an adpting flange 1 jar mouth 2 upper ends; Flange 5 butt joints of this adpting flange 1 and tremie pipe 8 lower ends, outlet(discharge) flange 5 is fixed on tank body 3 belows, is used for connecting screw rod extruder 10.
In order to satisfy specific installation and to make requirement, the hollow tank body of described back taper is chamfered edge taper or the hollow tank body of turbination.
Dismantle for ease and install, be connected with a telescoping tube between described jar mouth and the tremie pipe.
For the ease of the blanking of equipment being controlled and installation and maintenance etc., a by-pass valve control is installed on the described tremie pipe.
The unlatching speed of valve will have rhythm during start; Otherwise the screw rod of screw extruder is blocked by the spinning material easily, and in order to realize that the real-time monitoring of screw extruder feeding amount is regulated, all sides of described surge tank are equipped with a form; After the normal charging of screw rod, but just standard-sized sheet of valve.
Embodiment 1
Surge tank is that the corrosion resistant plate of SUS304 processes by material, steel plate thickness 2mm, and the surface is through polishing; 4 chamfered edges of outer formation are tapered, and surge tank end face and bottom surface height are about 500mm, and the surge tank end face has two kinds; Be square and rectangle, be convenient to different screw extruder 10 and use different surge tanks that the end face centre of surge tank is connected with jar mouth 2 respectively; The about 250mm of jar mouth 2 length, diameter 100mm is welded with adpting flange 1 above jar mouth 2; Be used for and 8 butt joints of spinning feed bin 6 tremie pipes, the material of its jar mouth 2 and adpting flange 1 is the stainless steel of SUS304.The outlet position stationary exit flange 5 of jar links to each other with the screw extruder inlet, does not establish ozzle, and tank body 3 is provided with form 4, and form 4 sizes are about 100mm*200mm, and operating personnel can understand the basic condition and the blanking situation of particles at any time through form 4.
The raw material of just driving drops into the spinning feed bin 6 on upper strata; Behind positions such as tremie pipe 8, valve 7, telescoping tube 9, get into surge tank smoothly, timely control valve 7 apertures of basic condition of form 4 reflections through surge tank; After surge tank is filled; Valve 7 is all opened, and through the rotation of screw extruder 10, the particle in the surge tank enters in the screw extruder 10 very uniformly.
Principle of the present invention is such: owing to set up surge tank, the blanking velocity of spinning material and the extruding force in the blanking process are cushioned, make the blanking height equivlent of spinning material obtain attenuating, particle reduces the pressure of screw extruder porch; The impulsive force that also can cause feeding intake is carried out the part buffering; Particle is reduced the surge of screw extruder porch; Generally speaking; Owing to the effect of surge tank, significantly improved the phenomenon of the instability (little when time thes be big) of extruder porch pressure, the stay in grade of the feasible product of producing.
Claims (7)
1. baiting method; Comprise that spinning material feeds screw extruder through tremie pipe from the spinning feed bin under the gravity effect, is characterized in that: spinning material gets into the back taper surge tank through behind the tremie pipe; The maximum cross-section area of back taper surge tank is the twice of tremie pipe cross-sectional area at least; Close up and the stationary exit flange gradually in described surge tank bottom, the inlet of outlet(discharge) flange and screw extruder matches, and spinning material gets into screw extruder via the outlet(discharge) flange of surge tank below then.
2. a kind of baiting method as claimed in claim 1 is characterized in that, described surge tank profile is chamfered edge taper or turbination.
3. a blanking device comprises the spinning feed bin and is positioned at the RC tremie pipe in spinning feed bin bottom, and it is characterized in that: said tremie pipe is connected through surge tank and screw extruder; Described surge tank is made up of the hollow tank body of back taper, jar mouth and the outlet(discharge) flange of upper surface sealing; The jar mouth is a cylindrical pipe, is positioned at tank body upper surface centre, and its lower end and tank body upper surface fuse; There is an adpting flange jar mouth upper end; The flange butt joint of this adpting flange and tremie pipe lower end, outlet(discharge) flange is fixed on the tank body below, is used for the connecting screw rod extruder.
4. a kind of blanking device according to claim 3 is characterized in that: the hollow tank body of described back taper is chamfered edge taper or the hollow tank body of turbination.
5. a kind of blanking device according to claim 3 is characterized in that: be connected with a telescoping tube between described jar mouth and the tremie pipe.
6. a kind of blanking device according to claim 3 is characterized in that: a by-pass valve control is installed on the described tremie pipe.
7. a kind of blanking device according to claim 3 is characterized in that: all sides of described surge tank are equipped with a form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102391410A CN101899718B (en) | 2010-07-29 | 2010-07-29 | Blanking method and blanking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102391410A CN101899718B (en) | 2010-07-29 | 2010-07-29 | Blanking method and blanking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101899718A CN101899718A (en) | 2010-12-01 |
| CN101899718B true CN101899718B (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102391410A Active CN101899718B (en) | 2010-07-29 | 2010-07-29 | Blanking method and blanking device |
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| Country | Link |
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| CN (1) | CN101899718B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285842A (en) * | 2014-10-15 | 2015-01-21 | 莫焘 | Baby pigeon feeding device |
| CN104511249A (en) * | 2014-12-24 | 2015-04-15 | 韩旭新 | Equivalent homogenization gravity blending bin |
| CN113976240B (en) * | 2021-11-03 | 2022-12-13 | 澳昌(武汉)生态科技有限公司 | Feeding device for electric power coating production |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051638U (en) * | 1989-04-20 | 1990-01-24 | 王政宽 | Production equipment for polyester fibre used in heavy industry |
| CN2294772Y (en) * | 1997-05-30 | 1998-10-21 | 周和平 | Grain batching machine |
| CN2698959Y (en) * | 2004-04-09 | 2005-05-11 | 大庆油田有限责任公司 | Full automatic powder feeding and mixing device |
| CN201010707Y (en) * | 2007-03-22 | 2008-01-23 | 陈泉锋 | Preoriented filament spinning machine for recycling polyester bottle slice |
| CN201089807Y (en) * | 2007-09-26 | 2008-07-23 | 陈泉锋 | Gyrus polyester bottle tablet black preoriented filament spinning machine |
| CN201109175Y (en) * | 2007-04-30 | 2008-09-03 | 广州华工百川科技股份有限公司 | Twin-screw extruder for preparing new hemp stalk and plastic compound material |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004041689B4 (en) * | 2004-08-27 | 2010-02-11 | Kraussmaffei Berstorff Gmbh | Device for producing injection-molded parts |
| DE102005043609A1 (en) * | 2005-09-13 | 2007-03-22 | Technische Universität München | Method and apparatus for producing a thread of silk proteins |
| CN201817582U (en) * | 2010-07-29 | 2011-05-04 | 福建锦江科技有限公司 | Blanking device |
-
2010
- 2010-07-29 CN CN2010102391410A patent/CN101899718B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051638U (en) * | 1989-04-20 | 1990-01-24 | 王政宽 | Production equipment for polyester fibre used in heavy industry |
| CN2294772Y (en) * | 1997-05-30 | 1998-10-21 | 周和平 | Grain batching machine |
| CN2698959Y (en) * | 2004-04-09 | 2005-05-11 | 大庆油田有限责任公司 | Full automatic powder feeding and mixing device |
| CN201010707Y (en) * | 2007-03-22 | 2008-01-23 | 陈泉锋 | Preoriented filament spinning machine for recycling polyester bottle slice |
| CN201109175Y (en) * | 2007-04-30 | 2008-09-03 | 广州华工百川科技股份有限公司 | Twin-screw extruder for preparing new hemp stalk and plastic compound material |
| CN201089807Y (en) * | 2007-09-26 | 2008-07-23 | 陈泉锋 | Gyrus polyester bottle tablet black preoriented filament spinning machine |
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| CN101899718A (en) | 2010-12-01 |
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Address after: 350209 Airport Industrial Zone, Changle District, Fuzhou City, Fujian Province (Mashan District, Hunan town) Patentee after: Fujian Yongrong Jinjiang Co., Ltd Address before: 350212 Fujian Fujian Jinjiang science and Technology Co., Ltd. Changle Fuzhou Airport Industrial Zone Patentee before: FUJIAN JINJIANG TECHNOLOGY Co.,Ltd. |
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