CN207646362U - A kind of adjustable air flow extension apparatus - Google Patents
A kind of adjustable air flow extension apparatus Download PDFInfo
- Publication number
- CN207646362U CN207646362U CN201721841374.1U CN201721841374U CN207646362U CN 207646362 U CN207646362 U CN 207646362U CN 201721841374 U CN201721841374 U CN 201721841374U CN 207646362 U CN207646362 U CN 207646362U
- Authority
- CN
- China
- Prior art keywords
- draft nozzle
- head
- central tube
- wall
- draft
- 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.)
- Active
Links
Landscapes
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The utility model belongs to a kind of non woven fabric production apparatus technical field,More particularly, to a kind of adjustable air flow extension apparatus,A kind of adjustable air flow extension apparatus,Including drawing-off casing and the drawing-off head for being socketed in drawing-off cannula tip,The drawing-off head central hole is equipped with draft nozzle,The draft nozzle is connected with the drawing-off head thread,And the draft nozzle upper end stretches out on the outside of the drawing-off overhead,The drawing-off sleeve side walls are equipped with air inlet and the drawing-off cannula center is equipped with central tube,Air distribution plate is equipped between the drawing-off casing and the central tube upper end,Draft nozzle lower end outer diameter is up big and down small conical design,The central tube is inserted into draft nozzle lower end bottom,And the central tube is up-small and down-big equipped with inner diameter close to upper port straight pipe,The changeover portion of conical design,The utility model is simple in structure,It is easy to assembly,Slit gap is adjustable,It can avoid generating air whirl.
Description
Technical field
The utility model belongs to a kind of non woven fabric production apparatus technical field, is led more particularly, to a kind of adjustable air flow
Stretch device.
Background technology
Air drawing is to affect fiber to advance using the method for air injection, to make fiber obtain drawing-off, however, existing
Air drafting machine in technology is complicated, and has the following problems：1, existing slit air drafting machine is because of its circulation section
Face is big, reduces air velocity, thus the draft speed of fiber is insufficient, leads to fibre strength and the non-woven cloth made of it
Product strength is relatively low.2, air-flow is sprayed from diversion cavity, the slit area downlink between draft nozzle outer wall and drawing-off central tube, gas
The area of space that stream passes through becomes larger suddenly, inevitably generates air whirl herein, is impacted to tow, if by center
The endoporus of pipe becomes smaller, and eliminates the area of space that air-flow passes through and becomes larger suddenly phenomenon, and will produce air-flow downlink and be obstructed phenomenon, influences
Drawing effect, leads to occur that draft fiber is partially thick, feel is harder, fiber networking is uneven, in the prior art, can be
Central tube upper end inner wall installs transition straight tube additional to overcome the flow area of existing slit air drafting machine big, and air-flow passes through
Area of space the problem of becoming larger suddenly, but complicated, matching requirements are high, and can not be according to drawing-off needed for each pipe when throwing silk
Power is different, adjusts slit gap and adapts to therewith.
Invention content
The purpose of this utility model be in view of the above shortcomings of the prior art, provide it is a kind of simple in structure, easy to assembly, it is narrow
Gap is adjustable, and can avoid generating air whirl, the good adjustable air flow extension apparatus of drawing effect.
The technical solution of the utility model is realized by following measures：A kind of adjustable air flow extension apparatus, including
Drawing-off casing and the drawing-off head for being socketed in drawing-off cannula tip, the drawing-off head central hole are equipped with draft nozzle, the drawing-off
Nozzle is connected with the drawing-off head thread, and the draft nozzle upper end stretches out on the outside of the drawing-off overhead, the drawing-off
Sleeve side walls are equipped with air inlet and the drawing-off cannula center is equipped with central tube, and the center bottom of the tube covers tube bottom from the drawing-off
The plug center in portion is pierced by, and air distribution plate, the air-flow point are equipped between the drawing-off casing and the central tube upper end
Matching board surrounds diversion cavity with the drawing-off head inner wall, and draft nozzle lower end outer diameter is up big and down small conical design, described
The central tube is inserted into draft nozzle lower end bottom, and the central tube be equipped with close to upper port straight pipe it is small on inner diameter
Lower big, conical design changeover portion, the slit area formed between the draft nozzle outer wall and the center inside pipe wall.
Further, it is connected by arc transiting surface between draft nozzle lower part outer wall and drawing-off head inner wall, the gas
Flow point matching board is arcwall face with the diversion cavity transition face that the drawing-off head inner wall surrounds.
Further, air filter is installed on the upside of the air inlet.
Further, the tow import of the draft nozzle central through hole is made what the small hypomere diameter of upper diameter changed from small to big
It is horn-like.
The utility model is simple in structure, and since the draft nozzle is connected with the drawing-off head thread, and the drawing-off is sprayed
Mouth upper end stretches out on the outside of the drawing-off overhead, and draft nozzle lower end outer diameter is up big and down small conical design, this knot
Structure can be used for adjusting the gap of the slit area formed between draft nozzle outer wall and the center inside pipe wall, control the injection of air-flow
Speed is allowed to be adapted with drafting force needed for tow, in addition, the central tube is equipped with close to upper port straight pipe on inner diameter
Small lower big, conical design changeover portion, this structure can make to be formed between the draft nozzle outer wall and the center inside pipe wall
Slit area gap become smaller, avoid the appearance of air whirl, and it is sufficiently large to ensure that tow exists to meet central tube drawing-off caliber
The lower drawing-off of the high-speed flow effect of seizing on both sides by the arms is smooth, is connected by arc transiting surface between the draft nozzle outer wall and drawing-off head inner wall
Design, can play guide functions to compressed air, keep the air-flow for spraying to slit area steady, smooth.
The utility model is simple in structure, easy to assembly, and slit gap is adjustable, can avoid generating air whirl, and energy
Ensure that attenuating blast downlink is not obstructed, drawing effect is good.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model embodiment 1.
Fig. 2 is the cross-sectional view of the utility model embodiment 2.
In figure：1. drawing-off casing, 2. drawing-off heads, 3. draft nozzles, 4. central tubes, 5. air distribution plates, 6. diversion cavities, 7.
Slit area, 11. air inlets, 12. plugs, 13. air filters, 41. straight pipes, 42. changeover portions.
Specific implementation mode
Specific embodiment of the present utility model is given below, for making further details of solution to utility model content
It releases.It does not limit the scope of the patent of the present invention, made by using the description of the utility model and the drawings
Equivalent structure transformation is applied directly or indirectly in other relevant technical fields, and is similarly included in the special of the utility model
In sharp protection domain.
Embodiment 1, referring to Fig.1：A kind of adjustable air flow extension apparatus, including drawing-off casing 1 cover tube top with drawing-off is socketed in
The drawing-off head 2 in portion, 2 central hole of drawing-off head are equipped with draft nozzle 3, and the draft nozzle 3 and 2 screw thread of drawing-off head connect
It connects, and 3 upper end of the draft nozzle stretches out 2 top outer of drawing-off head, 3 lower part outer wall of the draft nozzle and drawing-off 2
It is connected by arc transiting surface between head inner wall, 1 side wall of drawing-off casing is equipped with air inlet 11 and 1 center of drawing-off casing
Equipped with central tube 4,12 center of plug of 4 bottom of the central tube from 1 bottom of drawing-off casing is pierced by, the drawing-off casing 1
Air distribution plate 5 is equipped between 4 upper end of central tube, the air distribution plate 5 is surrounded with 2 inner wall of drawing-off head and led
Chamber 6 is flowed, 6 transition face of the diversion cavity is arc, and 3 lower end outer diameter of the draft nozzle is up big and down small conical design, described
The central tube 4 is inserted into 3 lower end bottom of draft nozzle, and the central tube 4 is straight equipped with inner wall close to upper port straight pipe 41
Diameter is up-small and down-big, conical design changeover portion 42, is formed between 4 inner wall of 3 outer wall of the draft nozzle and the central tube narrow
Stitch area 7.
The utility model is simple in structure, since the draft nozzle 3 and the drawing-off head 2 are threadedly coupled, and the drawing-off
3 upper end of nozzle stretches out on the outside of 2 overhead of drawing-off, and 3 lower end outer diameter of the draft nozzle is up big and down small conical design,
This structure can be used for adjusting the gap of the slit area 7 formed between 3 outer wall of draft nozzle and 4 inner wall of the central tube, control gas
The jet velocity of stream is allowed to be adapted with drafting force needed for tow, in addition, the central tube 4 is set close to upper port straight pipe 41
Have that inner diameter is up-small and down-big, changeover portion 42 of conical design, this structure can make 3 outer wall of the draft nozzle and the center
7 gap of slit area formed between 4 inner wall of pipe becomes smaller, and avoids the appearance of air whirl, and can meet 4 drawing-off caliber foot of central tube
Enough greatly to ensure that tow drawing-off under the high-speed flow effect of seizing on both sides by the arms is smooth, between 2 inner wall of 3 outer wall of the draft nozzle and drawing-off head
It is connected and is designed by arc transiting surface, guide functions can played to compressed air, keep the air-flow for spraying to slit area 7 steady, smooth.
Embodiment 2, referring to Fig.1, Fig. 2：Embodiment 1 is advanced optimized, it can be in 11 upside installation of the air inlet
The tow import of air filter 13,3 central through hole of the draft nozzle is made what the small hypomere diameter of upper diameter changed from small to big
It is horn-like, it is more smooth that tow drawing-off can be using this structure.
Claims (4)
1. a kind of adjustable air flow extension apparatus, including drawing-off casing and the drawing-off head for being socketed in drawing-off cannula tip, the drawing-off
Head central hole is equipped with draft nozzle, it is characterised in that：The draft nozzle is connected with the drawing-off head thread, and the drawing-off
Upper end of nozzle head stretches out on the outside of the drawing-off overhead, and the drawing-off sleeve side walls are equipped with air inlet and the drawing-off cannula center
Equipped with central tube, the center bottom of the tube is pierced by from the plug center of the drawing-off sleeve bottom, the drawing-off casing and described
Air distribution plate is equipped between central tube upper end, the air distribution plate surrounds diversion cavity with the drawing-off head inner wall, described
Draft nozzle lower end outer diameter is up big and down small conical design, and the central tube is inserted into draft nozzle lower end bottom, and
The central tube is equipped with that inner diameter is up-small and down-big, changeover portion of conical design close to upper port straight pipe, the draft nozzle
The slit area formed between outer wall and the center inside pipe wall.
2. a kind of adjustable air flow extension apparatus as described in claim 1, which is characterized in that draft nozzle lower part outer wall with
It is connected by arc transiting surface between drawing-off head inner wall, the water conservancy diversion that the air distribution plate is surrounded with the drawing-off head inner wall
Chamber transition face is arcwall face.
3. a kind of adjustable air flow extension apparatus as described in claim 1, which is characterized in that installed on the upside of the air inlet empty
Air filter.
4. a kind of adjustable air flow extension apparatus as described in claim 1, which is characterized in that the draft nozzle central through hole
Tow import be made the small hypomere diameter of upper diameter change from small to big it is horn-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721841374.1U CN207646362U (en) | 2017-12-26 | 2017-12-26 | A kind of adjustable air flow extension apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721841374.1U CN207646362U (en) | 2017-12-26 | 2017-12-26 | A kind of adjustable air flow extension apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207646362U true CN207646362U (en) | 2018-07-24 |
Family
ID=62878787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721841374.1U Active CN207646362U (en) | 2017-12-26 | 2017-12-26 | A kind of adjustable air flow extension apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207646362U (en) |
-
2017
- 2017-12-26 CN CN201721841374.1U patent/CN207646362U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207646343U (en) | A kind of tubular air drafting machine | |
| US8966873B2 (en) | Yarn-producing apparatus for an air spinning machine with an inset and a spinneret equipped therewith | |
| CN107723814A (en) | A kind of electrostatic spinning aids in device for thinning with multistage injection air-flow | |
| CN207646362U (en) | A kind of adjustable air flow extension apparatus | |
| CN202785722U (en) | Swirl nozzle | |
| CN206666745U (en) | A kind of nozzle of water-jet loom of improved structure | |
| CN209481861U (en) | A kind of wikipedia type air drafting machine | |
| CN105478266B (en) | A kind of active Eliminating Dust by Magnetic Fluid atomizer of fully mechanized coal face and its dust removal method | |
| CN203890511U (en) | Supersonic airflow drafting device | |
| CN210394655U (en) | Vortex spinning nozzle structure | |
| CN205164993U (en) | Hollow atomizer with adjustable | |
| CN212249969U (en) | Gas well underground drainage throttling device | |
| CN203021746U (en) | Suction draught fan of non-woven fabric lapper melt-blow device | |
| CN208472236U (en) | A kind of electrostatic spinning nozzle | |
| CN105478268B (en) | Dust removal showerhead | |
| CN105734690B (en) | A kind of more shower nozzle air-flow air bubble spinning devices | |
| CN208235115U (en) | A kind of overflow dyeing machine gas-liquid injector selvage guide conveying device | |
| CN205288758U (en) | Dust removal shower nozzle | |
| CN107299401A (en) | Film spinning equipment and micro Nano material preparation method | |
| CN207376180U (en) | A kind of extension nozzle and air-jet loom for air-jet loom | |
| CN204825269U (en) | Little nanofiber's of production liquid spouts non -woven spinning equipment's reversal fluidic generator | |
| CN103741236A (en) | Adjustable tubular air flow drawing device | |
| CN203451728U (en) | Nozzle yarn guiding structure used in air network machine | |
| CN201574215U (en) | Negative-pressure air blowing device for dry spraying and wet spinning | |
| CN206597639U (en) | A kind of spiral-flow type fine mist spray head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |