CN108070927A - The drafting system of weaving loom - Google Patents
The drafting system of weaving loom Download PDFInfo
- Publication number
- CN108070927A CN108070927A CN201711114877.3A CN201711114877A CN108070927A CN 108070927 A CN108070927 A CN 108070927A CN 201711114877 A CN201711114877 A CN 201711114877A CN 108070927 A CN108070927 A CN 108070927A
- Authority
- CN
- China
- Prior art keywords
- tension rail
- walking
- reel cage
- drafting system
- bearing surface
- 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
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The present invention provides a kind of drafting system of weaving loom, and the drafting system of weaving loom possesses：Tension rail has the walking surface for the walking of lower apron；And reel cage, it is wrapping with for upper leather ring.Walking surface is curved surface.Tension rail has the bearing surface that the spacing clamp that can supply to be installed on reel cage or reel cage abut at the position different from walking surface.Bearing surface is made of plane or the curvature curved surface smaller than the curved surface of walking surface.Walking surface is integrally formed with bearing surface.
Description
Technical field
The present invention relates to the drafting systems of weaving loom.
Background technology
For example, as shown in disclosing Japanese Unexamined Patent Publication 2014-51766 publications, the drafting system of weaving loom, which has, holds rove
And the lower apron and upper leather ring of drawing-off are done to it.Lower apron is hung on middle bottom roller and tension rail.Upper leather ring upper sieve in being hung on
It draws and upper leather ring reel cage.Upper leather ring reel cage, which possesses, adjusts the i.e. tensioner interval in the interval between tension rail and upper leather ring reel cage
Whole spacing clamp (Distance Clip) (tensioner gauge adjustment part).
In drafting system described in above-mentioned publication, the face opposed with upper leather ring of tension rail has plane and curved surface.
Spacing clamp is abutted with the part of the plane of tension rail.According to the device, for example abutted with spacing clamp with the curved surface of tension rail
Situation compare, it is easy to ensure that the positional precision compared with tension rail of spacing clamp.Therefore, it is possible to by spacing clamp precision
The interval of tension rail and upper leather ring reel cage is adjusted excellently.
However, drafting system as described in above-mentioned publication, if lower apron is in the plane of tension rail and on curved surface
Walking, then can generate gap between lower apron and the plane of tension rail.Then or the pressing between lower apron and upper leather ring
Power can reduce or lower apron easily vibrates, so as to be difficult to the drawing-off rove between lower apron and upper leather ring.
The drafting system for possessing and turning to guiding piece is disclosed in Japanese Unexamined Patent Application Publication 2010-539339 publications.Turn to guiding piece
It is installed in the face opposed with upper leather ring of tension rail.In the drafting system, the face entirety shape opposed with upper leather ring of tension rail
As plane.In addition, the face opposed with upper leather ring for turning to guiding piece is integrally formed into curved surface.Lower apron is turning to guiding piece
It walks on the face opposed with upper leather ring.Using the device, turning between the opposed face of same upper leather ring of guiding piece and lower apron
It is not likely to produce gap.Therefore, inhibit lower pressing force reduction between apron and upper leather ring or lower apron easily vibrates such situation
Occur.Also, the face by making spacing clamp opposed with the same upper leather ring of tension rail (plane) abuts, it can be ensured that spacing clamp
The positional precision compared with tension rail.
However, in drafting system described in Japanese Unexamined Patent Application Publication 2010-539339 publications, tension rail is with turning to guiding piece
For individual components.Therefore, fiber can be accumulated between tension rail and steering guiding piece, the block for the fiber accumulated can enter slightly
Yarn turns to the foozle of guiding piece and will turn to the installation error accumulation that guiding piece is installed on tension rail.It is each as a result,
Spindle can all generate the deviation of the walking position of lower apron.Then, yarn qualities reduce.
The content of the invention
It is an object of the invention to provide the drafting systems for the weaving loom that can be ensured that yarn qualities.
Realize that the drafting system of the weaving loom of above-mentioned purpose possesses：Tension rail has the walking surface for the walking of lower apron；
And reel cage, it is wrapping with for upper leather ring.The walking surface is curved surface.The tension rail has at the position different from the walking surface
The bearing surface that can be abutted for the spacing clamp or the reel cage for being installed on the reel cage.The bearing surface is by plane or song
The curved surface that rate is less than the curved surface of the walking surface is formed.The walking surface is integrally formed with the bearing surface.
Description of the drawings
Fig. 1 is the side partial cross-sectional of the drafting system of an embodiment.
Fig. 2 is the stereogram of tension rail.
Fig. 3 is the side partial cross-sectional of drafting system.
Specific embodiment
An embodiment for illustrating to embody the drafting system of weaving loom referring to Fig. 1~Fig. 3.This embodiment party
The drafting system of formula is that two spindles are one-piece type.
As shown in Figure 1, the drafting system 10 of weaving loom possesses apron draft portion 12 at the rear of front roller 11.Front roller 11
It is made of preceding bottom roll 11a and front upper roller 11b.Preceding bottom roll 11a is supported in roller frame (not shown).Front upper roller 11b
Pressurization rocking arm 13 is supported in through not shown supporting arm.In addition, in Fig. 1, the horizontal dextrad of attached drawing is equivalent to drafting system
10 front-rear direction, the left side of Fig. 1 is corresponding with the front side of drafting system 10, and the right of Fig. 1 is corresponding with the rear side of drafting system 10.
Apron draft portion 12 possesses lower apron 14 and upper leather ring 15.Lower apron 14 is hung on tension rail 16, middle bottom roller 17a
And the guide member of downside (not shown).Upper leather ring 15 is hung between middle top roller 17b and reel cage 19.Middle top roller 17b
Through not shown supporting arm, so as to the mode of rotation is supported in the both ends of support shaft 18, which is supported in
Pressurize rocking arm 13.Reel cage 19 is supported by support shaft 18.
Reel cage 19 possesses reel cage main body 20, the apron guiding piece 21 for being arranged at reel cage main body 20 and is arranged at reel cage main body
20 spacing clamp 22.Apron guiding piece 21 and spacing clamp 22 are individually formed compared with reel cage main body 20, and are installed on and are shaken
Frame body 20.Apron guiding piece 21 limits upper leather ring 15 and is moved in the width direction.Spacing clamp 22 adjusts tension rail 16 and reel cage
Interval between main body 20, i.e. tensioner interval.
In addition, reel cage 19, which possesses, rearward extends prominent mandrel handle part 23 from reel cage main body 20.Mandrel handle part 23
Be formed as holding support shaft 18 by the part of arc-shaped.Reel cage 19 abuts simultaneously in mandrel handle part 23 with the outer circumferential surface of support shaft 18
Support shaft 18 is supported in the state of holding support shaft 18.Moreover, reel cage 19 by forcing unit (not shown) by epithelium
It encloses in the state of the 15 downward forces of aprons 14, is held in support shaft 18.
As shown in Fig. 2, the face 161 opposed with upper leather ring 15 of tension rail 16 is to bend to the arcuation protruded to upper leather ring 15
Curved surface.In addition, in the following description, the face 161 opposed with upper leather ring 15 of tension rail 16 is simply recorded as " tension rail
16 face 161 ".
The part in the face 161 of tension rail 16 is the walking surface 16a for the walking of lower apron 14.Walking surface 16a is with oblique in Fig. 2
The part that line represents.Tension rail 16 has the walking surface 16a for the walking of lower apron 14 as a result,.Moreover, walking surface 16a is bending
Into the curved surface of the arcuation protruded to upper leather ring 15.
In addition, it is formed with recess portion 16b in the face of tension rail 16 161.Recess portion 16b be tension rail 16 face 161 in walking
Position different face 16a, moreover, being formed on the direction in direction of travel i.e. Fig. 2 of lower apron 14 shown in arrow R1 on the lower
Swim the position of side.Therefore, recess portion 16b is recessed than walking surface 16a.
As shown in figure 3, the bottom surface of recess portion 16b is the bearing surface 16c that spacing clamp 22 can be supplied to abut.Tension rail 16 as a result,
With the bearing surface 16c that spacing clamp 22 can be supplied to abut.In the present embodiment, bearing surface 16c is more concave than walking surface 16a
The bottom surface of recess portion 16b.
Recess portion 16b is only located at the part abutted for spacing clamp 22 of tension rail 16.Bearing surface 16c is made of plane.Separately
Outside, the face 22a abutted with bearing surface 16c of spacing clamp 22 is also made of plane.As a result, tension rail 16 and spacing clamp 22 that
This is abutted with plane.
In the present embodiment, tension rail 16, such as manufactured by forging.As a result, in tension rail 16, walking surface 16a with
Bearing surface 16c is integrally formed.Therefore, walking surface 16a and bearing surface 16c is formed at a component i.e. tension rail 16 itself.
Next, illustrate the effect of present embodiment.
When middle bottom roller 17a rotates, lower apron 14 is rotated with the rotation of middle bottom roller 17a.Moreover, upper leather ring 15
With lower 14 synchronous rotary of apron due to the contact between lower apron 14, rove F is transferred together with lower apron 14.In hypodermis
The rove F transferred between circle 14 and upper leather ring 15 is subject to drawing-off between lower apron 14 and upper leather ring 15.
Since walking surface 16a is curved surface, gap is not likely to produce between lower apron 14 and walking surface 16a.Press down as a result,
The lower pressing force between apron 14 and upper leather ring 15 of system reduces or lower apron 14 vibrates such situation and occurs.Therefore, in lower apron
The drawing-off to rove F is steadily carried out between 14 and upper leather ring 15.
In addition, the face 22a of spacing clamp 22 is abutted with bearing surface 16c, the thus face 22a and bearing surface of spacing clamp 22
16c faces contact.Therefore, compared with the situation that spacing clamp and 16 line of tension rail contact, it is ensured that spacing clamp 22 is compared with tension
The positional precision of bar 16.As a result, by 22 precision of spacing clamp it is excellent implement interval tune between tension rail 16 and reel cage 19
Whole, upper leather ring 15 is synchronous with the driving of lower apron 14, is stably rotated in assigned position.Therefore, the stable quality of yarn is spun.
In the above-described embodiment, following effect can be obtained.
(1) tension rail 16 has for the lower apron 14 walking surface 16a to walk and the bearing surface that spacing clamp 22 can be supplied to abut
16c.Walking surface 16a is curved surface, therefore is not likely to produce gap between lower apron 14 and walking surface 16a.In addition, bearing surface 16c
It is made of plane, therefore compared with bearing surface 16c is by the situation that the curved surface that curvature is bigger than the curved surface of walking surface 16a is formed, it can
Ensure the positional precision compared with tension rail 16 of spacing clamp 22.
In tension rail 16, walking surface 16a is integrally formed with bearing surface 16c.It therefore, will not be as having in the installation of tension rail 16
The situation of the separate part of bearing surface 16c is such, and fiber is accumulated between tension rail 16 and separate part, and the fiber accumulated
Block will not enter rove.Moreover, the peace of tension rail 16 is installed on there is no the foozle of separate part and by separate part
Fill error accumulation, and cause each spindle lead to the problem of lower apron 14 walking position deviation.Thereby, it is possible to ensure yarn
Line mass.
(2) bearing surface 16c is the bottom surface of recess portion 16b more concave than walking surface 16a.Accordingly, for example, with walking surface will be compared
The protrusion end face for the protruding portion that 16a is protruded is compared as the situation of bearing surface, can easily manufacture tension rail 16.
(3) recess portion 16b is only located at the part abutted for spacing clamp 22 of tension rail 16.Accordingly, with recess portion and tension rail
On 16 not with spacing clamp 22 abut the consecutive situation in part compared with, it can be ensured that the intensity of tension rail 16.
In addition, the above embodiment can change as follows.
Zero in embodiments, and bearing surface 16 can also be the curvature curved surface smaller than the curved surface of walking surface 16a.Accordingly, with
Bearing surface 16c is by curvature is equal with the curved surface of walking surface 16a or the curvature of curved surface of the curvature than walking surface 16a is big curved surface structure
Into situation compare, it can be ensured that the positional precision compared with tension rail 16 of spacing clamp 22.In addition, in this case, spacing
The face abutted with bearing surface 16c of clamp 22 can be the curved surface extended along bearing surface 16c.
Zero in embodiments, for example, it may be, tension rail 16 has the protruding portion protruded from the face of tension rail 16 161,
And the bearing surface for by the protrusion end face of the protruding portion protruded than walking surface 16a being set to that spacing clamp 22 can be supplied to abut.In the situation
Under, protruding portion is not used as separate part and is installed on tension rail 16, but as the part of tension rail 16, with walking surface 16a
It is integrally formed.Therefore, walking surface 16a is formed at a component i.e. tension rail 16 itself with bearing surface.
Zero in embodiments, and recess portion 16b can also be also the same as the part phase not abutted with spacing clamp 22 of tension rail 16
Continuously.In this case, recess portion 16b is formed at the positions different from walking surface 16a in the face 161 of tension rail 16.
Zero in embodiments, and drafting system 10 is not limited to that two spindles are one-piece type, and for example, it can be four spindles one
Build.
Zero in embodiments, can be not provided with spacing clamp 22, and makes the bearing surface of reel cage main body 20 and tension rail 16
16c is abutted.In this case, when changing the interval of reel cage 19 and tension rail 16, reel cage main body 20 is changed to other
The component of size.
Claims (3)
1. a kind of drafting system of weaving loom, wherein, possess：
Tension rail has the walking surface for the walking of lower apron；With
Reel cage is wrapping with for upper leather ring,
The walking surface is curved surface,
The tension rail the position different from the walking surface have can for be installed on the reel cage spacing clamp or
The bearing surface that the reel cage abuts,
The bearing surface is made of plane or the curvature curved surface smaller than the curved surface of the walking surface,
The walking surface is integrally formed with the bearing surface.
2. according to the drafting system of the weaving loom described in claim 1, wherein,
The bearing surface is the bottom surface of recess portion more concave than the walking surface.
3. according to the drafting system of the weaving loom described in claim 2, wherein,
The recess portion is only located at the part abutted for the spacing clamp or the reel cage of the tension rail.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-224011 | 2016-11-17 | ||
| JP2016224011A JP6620726B2 (en) | 2016-11-17 | 2016-11-17 | Draft device in spinning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108070927A true CN108070927A (en) | 2018-05-25 |
Family
ID=62159745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711114877.3A Pending CN108070927A (en) | 2016-11-17 | 2017-11-13 | The drafting system of weaving loom |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6620726B2 (en) |
| CN (1) | CN108070927A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791845A (en) * | 2019-10-01 | 2020-02-14 | 嘉兴学院 | Elastic lower pin |
| CN110886037A (en) * | 2019-10-01 | 2020-03-17 | 嘉兴学院 | Curved movable lower pin |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904545A (en) * | 2019-10-01 | 2020-03-24 | 嘉兴学院 | Ring spinning grid ring yarn guiding mechanism and spinning frame |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104229U (en) * | 1991-10-09 | 1992-05-13 | 无锡县江海纺织机件厂 | Drawing device of spinning frame |
| JPH08246260A (en) * | 1995-03-01 | 1996-09-24 | Murata Mach Ltd | Apparatus for drafting of spinning machinery |
| CN1443883A (en) * | 2001-10-04 | 2003-09-24 | 株式会社丰田自动织机 | Fibre bundle for spinning machine |
| CN101868569A (en) * | 2007-09-10 | 2010-10-20 | 里特机械公司 | Textile machine comprising a drawing frame |
| CN202039174U (en) * | 2011-02-01 | 2011-11-16 | 高国良 | Arc-shaped lower pin |
| CN102586964A (en) * | 2010-12-20 | 2012-07-18 | 株式会社丰田自动织机 | Drafting device of spinning machine |
| CN103668591A (en) * | 2012-09-10 | 2014-03-26 | 株式会社丰田自动织机 | Upper cradle in drafting device of spinning machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69605767T2 (en) * | 1996-03-25 | 2000-08-31 | Howa Machinery, Ltd. | Drafting system for a fine spinning machine |
-
2016
- 2016-11-17 JP JP2016224011A patent/JP6620726B2/en not_active Expired - Fee Related
-
2017
- 2017-11-13 CN CN201711114877.3A patent/CN108070927A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104229U (en) * | 1991-10-09 | 1992-05-13 | 无锡县江海纺织机件厂 | Drawing device of spinning frame |
| JPH08246260A (en) * | 1995-03-01 | 1996-09-24 | Murata Mach Ltd | Apparatus for drafting of spinning machinery |
| CN1443883A (en) * | 2001-10-04 | 2003-09-24 | 株式会社丰田自动织机 | Fibre bundle for spinning machine |
| CN101868569A (en) * | 2007-09-10 | 2010-10-20 | 里特机械公司 | Textile machine comprising a drawing frame |
| CN102586964A (en) * | 2010-12-20 | 2012-07-18 | 株式会社丰田自动织机 | Drafting device of spinning machine |
| CN202039174U (en) * | 2011-02-01 | 2011-11-16 | 高国良 | Arc-shaped lower pin |
| CN103668591A (en) * | 2012-09-10 | 2014-03-26 | 株式会社丰田自动织机 | Upper cradle in drafting device of spinning machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791845A (en) * | 2019-10-01 | 2020-02-14 | 嘉兴学院 | Elastic lower pin |
| CN110886037A (en) * | 2019-10-01 | 2020-03-17 | 嘉兴学院 | Curved movable lower pin |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6620726B2 (en) | 2019-12-18 |
| JP2018080420A (en) | 2018-05-24 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180525 |