CN102094266B - Air suction pipe for yarn strip bundling device for spinning device and method for manufacturing the same - Google Patents
Air suction pipe for yarn strip bundling device for spinning device and method for manufacturing the same Download PDFInfo
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- CN102094266B CN102094266B CN 201010576739 CN201010576739A CN102094266B CN 102094266 B CN102094266 B CN 102094266B CN 201010576739 CN201010576739 CN 201010576739 CN 201010576739 A CN201010576739 A CN 201010576739A CN 102094266 B CN102094266 B CN 102094266B
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Abstract
The invention relates to an air suction pipe for a yarn strip bundling device for a spinning device and a method for manufacturing the same, and particularly discloses an air suction pipe for a yarn strip bundling device for a spinning device. The spinning machine comprises a drafting device provided with a last outlet roller pair. Relative to a direction of yarn strip movement, the air suction pipe is arranged at a downstream side position of the last outlet roller pair. The air suction pipe comprises a guide surface provided with an air suction inlet. A ventilating conveyor surrounds and rotates around the air suction pipe, thereby conveying yarn strips. The air suction pipe is provided with an irregular shape, and is formed via bending a metal plate with a uniform thickness.
Description
Technical field
The present invention relates to be used for a kind of air intake duct and a kind of method that is used to make air intake duct of the sliver bag bundle device of spinning machine (spinning frame).
Background technology
Developed various types of sliver bag bundle device and done up this sliver with bag before the sliver that receives drawing-off being carried out twisted.This has reduced sleave (floss) and has increased cotton rope intensity and has improved the cotton rope quality thus.Japan shifts to an earlier date the example that publication publication number 2004-107808 has described a kind of sliver bag bundle device.As shown in Figure 7; A kind of drafting system comprises a kind of last outlet roller to 61, and sliver bag bundle device comprise be arranged in this last outlet roller to a kind of roll at place, 61 downstream to 62, a kind of air intake duct 63 and a kind of the ventilation or open conveyer belt (apron) 64.Roll comprises a kind of bottom roll 62a and a kind of top mill roll 62b to 62.Top mill roll 62b utilizes the conveyer belt 64 (conveyer belt of ventilation) that ventilates to push said bottom roll 62a.With respect to the direction that sliver F moves, air intake duct 63 is arranged in the upstream side place of roll to 62 bite (nipping point).In addition, air intake duct 63 has a kind of guiding surface that comprises suction hole 63a (air entry).Sliver bag bundle device also comprises a kind of guiding elements 65, and guiding elements 65 has arcuate cross-section and is positioned at the place, downstream of the bite of roll 62.The sliver F that passes sliver bag bundle device is wrapped bundle and is sent to bite by the inspiratory flow that the suction hole 63a of air intake duct 63 is produced.
Through carrying out a kind of extruding or drawing procedure, formed air intake duct 63 to come molded and shaped a kind of hollow tube from aluminum or aluminum alloy.Then, in this hollow tube, form suction hole 63a.
The inspiratory flow that the sliver F that passes sliver bag bundle device is produced by the suction hole 63a of air intake duct 63 is wrapped bundle and is sent to a kind of outlet bite (that is, roll is to 62 bite).When between the downstream of suction hole 63a and the distance between the outlet bite (in like the indicated distance of A1) when increasing corresponding to Fig. 2 A, by suction hole 63a in addition the sliver F of Bao Shu possibly become before and scatter arriving this bite.When between the upstream extremity of suction hole 63a and last outlet roller to the distance between 61 the bite (in like the indicated distance of A2) when increasing corresponding to Fig. 2 A, the possibly conveyer belt 64 that can't be sent to ventilation smoothly of sliver F.This possibly cause from sliver F the fiber stretching, extension being scattered.
Through carrying out the wall thickness that air intake duct 63 that a kind of extrusion process etc. is molded into from aluminium under normal circumstances has 1 to 1.5 mm.This increased from the downstream of suction hole 63a to the outlet bite distance and from the upstream extremity of suction hole 63a to the end outlet roller to the distance of 61 bite.As a result, sliver F possibly become and scatter, and perhaps possibly stretch the fiber that sheds from sliver F.
When to have that erose air intake duct 63 pushes or drawing so that thereby it has the wall thickness that reduces to some extent when reducing the distance A1 and A2, air intake duct 63 possibly distorted on axial direction/twist or be out of shape.This will have influence on the accuracy of the shape of air intake duct 63 unfriendly, and distance A 1 and A2 maybe be different between spindle.When distance A 1 and A2 were different between spindle, the cotton rope quality maybe change to some extent between spindle.Therefore, for feasible wall thickness with erose air intake duct 63 reduces, exist restriction.Thus, can not reduce the distance A1 and A2 to obtain desirable cotton rope quality.
Summary of the invention
The object of the present invention is to provide a kind of air intake duct, be used for a kind of sliver bag bundle device of improving the spinning machine of cotton rope quality.
In order to realize above purpose, the sliver bag bundle device that one aspect of the present invention provides a kind of air intake duct to be used for spinning machine.Spinning machine comprises a kind of right drafting system of last outlet roller that has.With respect to the direction that sliver moves, air intake duct is arranged in the right place, downstream of last outlet roller.Air intake duct comprises a kind of guiding surface with air entry.The conveyor belt loop of ventilating is walked around air intake duct, and extends to be rotated and to transmit thus sliver round air intake duct.Air intake duct has irregularly shaped, and through crooked being able to of the metallic plate with uniform thickness formed.
Another aspect of the present invention provides a kind of method that produces the air intake duct of the sliver bag bundle device that is used for spinning machine.Spinning machine comprises a kind of right drafting system of last outlet roller that has.With respect to the direction that sliver moves, air intake duct is arranged in the right place, downstream of last outlet roller.Air intake duct comprises the guiding surface with air entry.The conveyor belt loop of ventilating is walked around air intake duct and is extended to be rotated and to transmit thus sliver round air intake duct.This method comprises bending step, and it makes the metallic plate with uniform thickness bend to pipe.
Through the following description that combines and carry out with the accompanying drawing of expressing principle of the present invention as an example, it is obvious that others of the present invention and advantage will become.
Description of drawings
Through with reference to facing the description that currently preferred embodiment and accompanying drawing carry out down, can understand the present invention and purpose and advantage best, in the accompanying drawing:
Figure 1A demonstrates the schematic sectional view of the part of sliver bag bundle device according to an embodiment of the invention;
Figure 1B is the perspective view of a part that demonstrates the air intake duct of Figure 1A;
Fig. 2 A demonstrates a kind of sketch map that is arranged in the relation of air entry and a bite through aluminium being carried out the air intake duct that extrusion modling/extrusion molding forms;
Fig. 2 B demonstrates a kind of sketch map that is arranged in the relation of air entry and a bite through making the crooked air intake duct that forms of metallic plate;
Fig. 3 is the flow chart that demonstrates the process that is used to make air intake duct;
Fig. 4 A and 4B are the sectional views that demonstrates the air intake duct of another embodiment separately;
Fig. 5 A and 5B are the sectional views of a part that demonstrates the sliver bag bundle device of another embodiment separately;
Fig. 6 is the sectional view of a part that shows the sliver bag bundle device of another embodiment; And
Fig. 7 is the sectional view that demonstrates the part of prior art sliver bag bundle device.
The specific embodiment
To the air intake duct according to the sliver bag bundle device of spinning machine of the present invention be discussed referring to figs. 1 through Fig. 3 now.
With reference to Figure 1A, with respect to the direction that sliver F moves, sliver bag bundle device 11 is arranged in the last outlet roller of drafting system 12 downstream is located.Lower roller 12a and preceding apex roller 12b before last outlet roller comprises 12.Sliver bag bundle device 11 comprises the conveyer belt 15 and the guiding piece 16 of outlet port unit 13, air intake duct 14, ventilation.Outlet port unit 13 is formed by bottom roll 17a and top mill roll 18.Bottom roll 17a is formed on the rotary shaft 17, and bottom roll 17a is parallel to last outlet roller 12 preceding lower roller 12a is extended.In addition, top mill roll 18 utilizes the conveyer belt 15 that ventilates pushing bottom roll 17a.According to the identical mode of preceding apex roller 12b of drafting system, top mill roll 18 is supported on a kind of weight arm (not shown) that is used for per two spindles by supporter 19.Supporter 19 forms a kind of solid memder with the supporter of apex roller 12b before being used for.In sliver bag bundle device 11, with respect to the direction of motion of sliver F, air intake duct 14 is arranged in the upstream side place of the bite in the outlet port unit 13.The conveyer belt 15 that ventilates for example guarantees that by a kind of the woven fabric of suitably ventilating forms.The conveyer belt 15 that ventilates is around crossing air intake duct 14, guiding piece 16 and bottom roll 17a, and extends to be rotated round their, transmits sliver F thus.One end of guiding piece 16 be arranged in outlet port unit 13 bite near.
Sliver bag bundle device 11 has a kind of structure, and except air intake duct 14, to shift to an earlier date the sliver bag bundle device of publication publication number 2004-107808 identical with the above Japan of partly discussing in background technology basically for this structure.Before the rotating tee of lower roller 12a is a kind of excessively be formed on before on the lower roller 12a gear, a kind of idler gear 20 and a kind ofly be formed on the gear on the rotary shaft 17 and be transferred to rotary shaft 17.
With reference to Figure 1B, air intake duct 14 has the crooked outwards guiding surface 14a of protrusion.Guiding surface 14a comprises according to a plurality of air entries 23 that form with the corresponding predetermined space of the spindle spacing of ring spinner.Each air entry 23 extends along the direction that longitudinal direction a kind of and air intake duct 14 intersects.In addition, each air entry 23 extends through the whole width of surperficial 14a basically along a kind of and the perpendicular direction of longitudinal direction air intake duct 14.Air intake duct 14 is connected to sliver bag bundle device 11 in following state: guiding surface 14a is positioned near the path of sliver F.The part of the conveyer belt 15 that ventilates is around crossing guiding surface 14a.
In addition, air intake duct 14 comprises the bead portion 25 that extends along the longitudinal direction of air intake duct 14, and this bead portion 25 is connecting part 24a and 24b.Bead portion 25 forms and the conveyer belt 15 that ventilates is not formed the direction of disturbing when being connected to sliver bag bundle device 11 when air intake duct 14 and extend.Air intake duct 14 has irregularly shaped and is formed by the metal material with uniform thickness (stainless thin plate in this embodiment).Here, the material that has a uniform thickness is meant that this material has constant thickness.In addition, metal material is not limited to plate and can is pipe.In addition, have erose pipe and be meant that pipe has non-circular cross section and comprises the surface of different curvature.
A kind of method of making air intake duct 14 will be discussed now, and as shown in Figure 3, this manufacturing approach comprises: air entry forms technology, deburring technology, bending process, crimping formation technology and spot-welding technology (or plug welding technology).
Form in the technology at air entry, form air entry 23 through punching or the pre-position of cut in metallic plate.Except air entry 23, also be formed for and tube connector 21 joining holes.Form the air entry 23 that forms in the technology at air entry and form burr and flange on every side with said hole.In this embodiment, before metallic plate stands the bending process processing, elimination or deburr and flange.Therefore, when metallic plate is still straight, carry out deburring.Compare with the situation of after metallic plate forms pipe, carrying out deburring, this makes easier/facility of deburring.In addition, can carry out bending process, and no matter during air entry forms technology, be used for forming that side of the metallic plate of air entry 23.
It is the part of bending process that crimping forms technology.Crimping forms technology and on the free end of part 24a, forms sweep, thereby makes this sweep hold/maintain the free end of part 24b.This has formed the bead portion 25 that on whole air intake duct 14, extends along the longitudinal direction.The completion of crimping formation technology makes and has formed a kind of pipe with desirable shape of cross section from metallic plate.
When air intake duct 14 was connected to sliver bag bundle device 11 in the pre-position, bead portion 25 guaranteed that air intake duct 14 seals.Yet when in the process of operation air intake duct 14, putting on air intake duct 14 to twisting resistance or bending force, bead portion 25 is possibly can't to provide enough rigidity for air intake duct 14.Therefore, carry out spot-welding technology so that bead portion 25 is carried out spot welding.
The operation of sliver bag bundle device 11 will be discussed now.
When spinning machine is worked, drafting system drawing-off sliver F.Then, last outlet roller guides to sliver bag bundle device 11 to 12 sliver F.Bottom roll 17a rotates the identical speed of 12 superficial velocity with about and last outlet roller with top mill roll 18.In addition, the state sliver F down that keeps being in suitable elongation through between the bite between bottom roll 17a and the top mill roll 18 (outlet bite) and be rotated with twisted in mobile downstream.
The inspiratory effects of pipeline is passed tube connector 21 and is arrived air intake duct 14.The conveyer belt 15 that the inspiratory effects of each air entry 23 that on guiding surface 14a, forms in addition, is passed ventilation arrives sliver F.Sliver F be pulled to the position corresponding with each air entry 23 and with the corresponding position of each air entry 23 by the state of Bao Shu under, sliver F moves.Compare with being unkitted the spinning machine that has sliver bag bundle device 11, this has prevented generation sleave and waste cotton and has improved the cotton rope quality.
Inspiratory flow by air entry 23 produces is carried out Bao Shu, also is sent to the outlet bite to sliver F each the sliver F through sliver bag bundle device 11.When the distance from the downstream of each air entry 23 to the outlet bite increases, possibly before arriving the outlet bite, become by the sliver F of air entry 23 bag bundles and to scatter.In addition, when when the upstream extremity of air entry 23 and last outlet roller increase the distance between 12 the bite, the sliver F that moves along the guiding surface 14a of air intake duct 14 possibly can't be sent to the conveyer belt 15 of ventilation smoothly.This possibly cause fiber to shed from sliver F stretching, extension.
When being molded to said air intake duct 14 through extruded aluminium in as prior art, the wall thickness of air intake duct 14 must increase to guarantee that air intake duct 14 has shape accurately to some extent.This increased from the downstream of each air entry 23 to the outlet bite distance A 1 and from the upstream extremity of air entry 23 to the end outlet roller to the distance A 2 of 12 bite, shown in Fig. 2 A.
In the present embodiment, through making the crooked air intake duct 14 that forms of sheet metal.This has considered in the accuracy of guaranteeing required shape, to make the wall thickness of wall thickness less than prior art.As a result, the downstream of air entry 23 is arranged as as far as possible near the outlet bite.Therefore, shown in Fig. 2 B, be shorter than the respective A1 of prior art apart from B1 from the downstream of air entry 23 to the outlet bite.In addition, from the upstream extremity of air entry 23 to the end outlet roller 12 bite is shorter than the respective A2 of prior art apart from B2.As a result, transmit sliver F smoothly, and improved cotton rope quality (cotton rope variation, cotton rope sleave and cotton rope intensity) through Bao Shu.
Present embodiment has following advantage.
(1) in sliver bag bundle device 11, through making the crooked air intake duct 14 that forms of the metallic plate with uniform thickness.Therefore, even use in the bending process for the management of mould accuracy make with as prior art in the air intake duct of extrusion modling compare the accuracy that also can guarantee required shape under the situation that thickness reduces.In addition; Compared with prior art, the downstream of each air entry 23 from be formed on guiding surface 14a to the distance of sliver outlet bite and the last outlet roller from the upstream extremity of air entry 23 to drafting system can shorten the distance of 12 bite.The sliver through Bao Shu can smoothly successfully transmitted and transmit to reducing of the thickness of air intake duct 14 in terms of existing technologies also even can make under air intake duct 14 has the situation of the external dimensions identical with prior art.This has improved cotton rope quality (cotton rope variation, cotton rope sleave and cotton rope intensity).
(2) steel plate is as metallic plate.When reducing the thickness of air intake duct 14, from the angle of rigidity and material cost, this point is preferred.
(3) air intake duct 14 comprises the bead portion 25 that extends along the longitudinal direction of air intake duct 14.With two ends through composition plane pipe only or the said two ends air intake duct that forms that overlaps is compared, bead portion 25 permission air intake ducts 14 more easily obtain required sealing and intensity.
(4) bead portion 25 to air intake duct 14 carries out spot welding.Only utilize bead portion 25, air intake duct 14 possibly can't have enough rigidity to be used for when operating air intake duct 14, resisting twisting resistance or the bending force that puts on air intake duct 14.Therefore, bead portion 25 is carried out spot welding, guaranteed the rigidity of air intake duct 14 thus.
(5) method of making air intake duct 14 has used metallic plate to form air intake duct 14, and has comprised that the air entry that in metallic plate, forms air entry 23 forms technology, around air entry 23, removes the deburring technology of burr and be used to make the crooked bending process of metallic plate.Before bending to pipe to metallic plate, in the part that limits guiding surface 14a, form air entry 23 with said predetermined cross-section.Therefore; Form in the technology the burr that around air entry 23, produced and the removal of flange even after making the metallic plate bending, carried out at air entry; Thereby metallic plate is crooked to make burr and flange be positioned at the outside of air intake duct 14 through making; Compared with prior art, it is less to be used to remove the operation of burr and flange.
(6) also can carry out through the bending that makes the metallic plate that the pressing mold reciprocating motion carries out through carrying out rollforming.Yet crooked difference with rollforming is: can not put on excessive power air entry 23.This has prevented the distortion of air entry 23.
What it should be obvious that to those skilled in the art is that under the situation that does not break away from the spirit or scope of the present invention, the present invention can be implemented as a lot of other particular forms.Especially, should be appreciated that the present invention can be implemented as following form.
In the method for making air intake duct 14, before bending process, carry out deburring technology.Alternatively, can after bending process, carry out deburring technology.In this case, thus carry out and crookedly to make burr and flange be positioned at the outside of air intake duct 14.This has caused compared with prior art, and the operation of burr and flange is removed in less being used to.
In the method for making air intake duct 14, needn't carry out bending process through making the pressing mold reciprocating motion.For example, before forming bead portion 25, can carry out rollforming, and can form operation through the last crimping that the pressing mold reciprocating motion is carried out be used to form bead portion 25 for bending process.
Replacement scheme as the free-ended end face that makes part 24a and 24b comes in contact shown in Fig. 4 B, makes the free end of part 24a and 24b overlap each other thereby can carry out bending.Then, the zone of overlapping can fully receive sealing welding or bonding through adhesive tape.
For the air intake duct 14 shown in shop drawings 4A and the 4B, can make metallic plate crooked through only carrying out rollforming.When carrying out rollforming, as for scheme alternative that after accomplishing all bending operations, engaging zones is sealed welding picture is when carrying out compacting, plate can at first form round tube, and can seal welding to the end face of joint.Then, can make round tube crooked through carrying out rollforming, thereby make round tube have predetermined erose cross section.In this case, before obtaining said erose cross section, that is to say, when from the circular pipe of metal plate shape, together free-ended end joined.This makes removes burr from the inner surface of engaging zones easily.
The material that is used to form air intake duct 14 is not limited to metallic plate.For example, can use metal tube with constant thickness (such as, stainless steel tube) to come the alternative metals plate.In this case, carry out rollforming, thereby metal tube has said predetermined erose cross section.This makes need not carry out deburring to engaging zones.In addition, when pipe still is circle and before pipe obtains erose cross section, carry out the step that forms air entry 23 and the hole that is used for connecting with tube connector 21.More particularly, the mould that is used for air entry is carried out punching processing is arranged in metal tube, and this mould moves on the radially outer direction of round tube.This outside at guiding surface 14a produces burr and flange.Therefore, can easily get rid of burr and the flange that produces in air entry 23 and the hole that is used for connecting on every side with tube connector 21.
The formation of air entry 23 is not limited to punching or cut.For example, can change execution milling or spark machined into.
When air entry 23 is carried out cut, only produce a spot of burr and flange.This makes can omit deburring technology.
As long as air intake duct 14 is hard and have thin-walled, then the metal material of air intake duct 14 needs not to be steel and can be a kind of flexible metal material that has greater than the intensity of aluminium.
The outlet port unit 13 of sliver bag bundle device 11 is not limited to comprise the structure of roll to (that is, bottom roll 17a and top mill roll 18).For example, shown in Fig. 5 B, the air intake duct 30 with oval cross-section can be arranged in the outlet port unit 13, and air entry 30a can be formed in the air intake duct 30 in the pre-position.In this case, the conveyer belt 15 of ventilation is around crossing air intake duct 30 and idler roller 31, and extends around air intake duct 30 and idler roller 31.Gear 32 is transferred to top mill roll 18 to the rotation of preceding apex roller 12b, and top mill roll 18 presses or compressing the conveyer belt 15 of conveyer belt 15 to drive said ventilation that ventilates.In this case; According to embodiment discussed above, distance from the downstream of each air entry 30a to sliver outlet bite and the distance from the upstream-most position of air entry 30a to the right bite of the last outlet roller the drafting system can reduce.
The top of lower roller 12a before tube connector 21 needn't be arranged in.For example, as shown in Figure 6, tube connector 21 can be arranged in the place, front side of idler gear 20 and be connected to the pipeline (not shown) that is arranged in the drafting system below.
Can omit guiding piece 16, the conveyer belt 15 of ventilation can be only around crossing air intake duct 14 with bottom roll 17a and around air intake duct 14 and bottom roll 17a motion.In another example shown in Fig. 5 B, can omit idler roller 31, the conveyer belt 15 of ventilation can be only around air intake duct 30 and around air intake duct 30 motions.
These examples and embodiment should be regarded as illustrative and nonrestrictive, and the invention is not restricted to details given here, but can in the scope of accompanying claims and equivalent, make amendment.
Claims (10)
1. air intake duct that is used for the sliver bag bundle device of spinning machine; Spinning machine comprises a kind of conveyer belt with the right drafting system of last outlet roller, said air intake duct and a kind of ventilation; The direction that said air intake duct moves with respect to sliver and be arranged in the right place, downstream of last outlet roller; And air intake duct comprises the guiding surface with air entry, and the conveyor belt loop of ventilation is walked around air intake duct and extended to be rotated and to transmit thus sliver round air intake duct, and said air intake duct is characterised in that:
Air intake duct has irregularly shaped, and the metallic plate with uniform thickness is crooked to be formed through making.
2. air intake duct according to claim 1 is characterized in that said metallic plate is formed by steel.
3. air intake duct according to claim 1 and 2 is characterized in that, has erose said air intake duct and comprises the bead portion that extends along the longitudinal direction of air intake duct.
4. the method for the air intake duct of a sliver bag bundle device that is used to make spinning machine; Spinning machine comprises a kind of conveyer belt with the right drafting system of last outlet roller, said air intake duct and a kind of ventilation; The direction that said air intake duct moves with respect to sliver and be arranged in the right place, downstream of last outlet roller; And air intake duct comprises the guiding surface with air entry; The conveyor belt loop of ventilating is walked around air intake duct and is extended to be rotated and to transmit thus sliver round air intake duct, and said method is characterised in that:
Bending step makes the metallic plate with uniform thickness bend to air intake duct.
5. the method for the air intake duct of the sliver bag bundle device that is used to make spinning machine according to claim 4 is characterized in that:
Air entry forms step, in having the metallic plate of uniform thickness, forms air entry, wherein before said bending step, carries out said air entry and forms step.
6. the method for the air intake duct of the sliver bag bundle device that is used to make spinning machine according to claim 5 is characterized in that:
The deburring step is removed the burr that is formed at the air entry formation step around air entry, wherein before said bending step, carry out said deburring step.
7. according to the method for the air intake duct of each described sliver bag bundle device that is used to make spinning machine in the claim 4 to 6, it is characterized in that said bending step comprises that the metallic plate through the pressing mold reciprocating motion being made have uniform thickness is crooked.
8. according to the method for the air intake duct of each described sliver bag bundle device that is used to make spinning machine in the claim 4 to 6, it is characterized in that said bending step comprises through carrying out rollforming makes the metallic plate with uniform thickness crooked.
9. the method for the air intake duct of the sliver bag bundle device that is used to make spinning machine according to claim 4 is characterized in that:
Crimping forms step, in the crooked metallic plate with uniform thickness, forms bead portion.
10. according to the method for the air intake duct of claim 5 or the 9 described sliver bag bundle device that are used to make spinning machine; It is characterized in that; Said bending step comprises makes the metallic plate bending with uniform thickness; Thereby make to form the outside that the burr that produces in the step is positioned at air intake duct, and after said bending step, carry out the deburring step of removing burr at air entry.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009279480A JP5282724B2 (en) | 2009-12-09 | 2009-12-09 | Suction pipe in fiber bundle concentrator for spinning machine and method for manufacturing the same |
| JP2009-279480 | 2009-12-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102094266A CN102094266A (en) | 2011-06-15 |
| CN102094266B true CN102094266B (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010576739 Active CN102094266B (en) | 2009-12-09 | 2010-12-07 | Air suction pipe for yarn strip bundling device for spinning device and method for manufacturing the same |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5282724B2 (en) |
| CN (1) | CN102094266B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6194909B2 (en) * | 2015-03-10 | 2017-09-13 | トヨタ自動車株式会社 | Filament winding equipment |
| CN105798116A (en) * | 2016-04-25 | 2016-07-27 | 常州市布迪拉纺机设备有限公司 | Manufacturing method of negative pressure pipe in four-roller compact spinning drafting device |
| JP7180333B2 (en) * | 2018-12-04 | 2022-11-30 | 株式会社豊田自動織機 | Spinning machine fiber bundle concentrator |
| CN111748880A (en) * | 2020-05-15 | 2020-10-09 | 崔建中 | Bundling device of special air-jet spinning system for melt-blown superfine fibers |
| JP7468394B2 (en) * | 2021-02-17 | 2024-04-16 | 株式会社豊田自動織機 | Fiber bundle concentrating device for spinning machine |
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| JP特开平9-53766A 1997.02.25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5282724B2 (en) | 2013-09-04 |
| CN102094266A (en) | 2011-06-15 |
| JP2011122260A (en) | 2011-06-23 |
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