CN1793454B - Nevigation pressure for fibre bind device of spinning frame and backplate used by the nevigation pressure - Google Patents
Nevigation pressure for fibre bind device of spinning frame and backplate used by the nevigation pressure Download PDFInfo
- Publication number
- CN1793454B CN1793454B CN 200510129692 CN200510129692A CN1793454B CN 1793454 B CN1793454 B CN 1793454B CN 200510129692 CN200510129692 CN 200510129692 CN 200510129692 A CN200510129692 A CN 200510129692A CN 1793454 B CN1793454 B CN 1793454B
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- pressure channel
- sliding
- matrix
- backplate
- 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.)
- Expired - Fee Related
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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
- D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
-
- 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
- D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
-
- 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
- D01H5/72—Fibre-condensing guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
A negative pressure passage for a fiber accumulation device of a spinning frame comprises a tubular base body extending on multiple spinning units. The outer profile of each spinning unit of the base body includes a first sliding surface for an air permeable conveyer belt, and each sliding surface has a suction gap extending substantially along circumferential direction of the base body. A guard plate is arranged on the end of the suction gap and includes a second sliding surface for extending the first sliding surface. According to the invention, the base body includes a dovetail-shaped groove, wherein the guard plate is designed into at least a sliding plate strip and is provided with a contact surface formed corresponding to the dovetail-shaped groove and a cross section corresponding to the dovetail-shaped groove, the at least one sliding plate strip is pushed into the dovetail-shaped groove, wherein the at least one sliding plate strip is fixed in the groove through a cover for sealing the negative pressure passage of the base body at an end side surface.
Description
Technical field
The present invention relates to the negative pressure channel that a kind of fiber accumulation device of spinning frame is used, described negative pressure channel have one configurable in the tubular matrix of a plurality of spinning organs, the outline of each spinning organ of this matrix includes one first sliding surface for a ventilative conveyer belt, this sliding surface has one basically along suction slit that the matrix circumferencial direction extends; Described negative pressure channel also has a backplate that is positioned at suction slot ends place, and this backplate includes second sliding surface that first sliding surface is prolonged.
Background technology
Fiber accumulation device is used for drawing-off, that still the do not had twisting side direction of fiber strip by its fiber is merged and bunchy or compacting, thereby, and do not produce too wide spinning triangle for this fiber strip gives its spinning twisting after by a jaw.Such spinning triangle so produces: the fiber strip of broad comes out in a jaw relatively, twists into a kind of relative yarn than minor diameter then.A kind of like this spinning triangle generally includes the edge fiber, this fiber according to the rules braiding enter in the formed yarn, therefore and help little or do not have help for the intensity of the yarn of spinning.If but before twist configuration, made fiber strip compacting in a fiber accumulation device, the triangle that spins would so just diminish, more firm, equal even few fine hair that the yarn of spinning is total.
Modern fiber accumulation device generally all has a negative pressure channel.The negative pressure channel that starts described kind becomes prior art by DE 10000615A1.Known negative pressure channel extends on a plurality of spinning organs and each spinning organ all has a suction of tool slit.Be in the matrix of negative pressure channel in the end in each suction slit and be respectively charged into a backplate.The outline or the surface of backplate that are matrix in the suction position, slit all are used for the common sliding surface of using as a ventilative conveyer belt that can drive.These two sliding surfaces are referred to as first and second sliding surfaces in the term of present patent application.
The described backplate that is encased in the matrix extends on the working width of conveyer belt, and the top priority of this backplate is to reduce wearing and tearing in described jaw position, and this wearing and tearing produce owing to the gripping roller is pressed on the negative pressure channel.Because first and second sliding surface arranges that in tandem therefore the backplate of known negative pressure channel is encased in the groove of matrix with flushing.Yet showed already that keeping very narrow tolerance was indispensable for making matrix and backplate.This causes each fiber accumulation device to become expensive.
In EP 1215313A2, described a kind of negative pressure channel, but it belongs to another type.This negative pressure channel has a matrix herein, and its cross section is a half mould material, and this half mould material polishing becomes a tubular conduit by a backplate that extends on the whole length of matrix.Each suction slit all is arranged in the backplate in this embodiment.This design is more favourable with regard to tolerance, yet that backplate had both included was described first, also comprise second sliding surface, thereby it is very large-area, and therefore comparatively the most expensive.
Summary of the invention
Task of the present invention is to simplify the negative pressure channel of the described kind of beginning aspect tolerance, and more favourable economically generally.
The negative pressure channel that this task is used by the fiber accumulation device of a spinning frame solves, this negative pressure channel has configurable tubular matrix in a plurality of spinning organs, the outline of this matrix contains first sliding surface at each spinning organ place for a ventilative conveyer belt, this first sliding surface has basically the suction slit of extending along the circumferencial direction of matrix, described negative pressure channel also has the backplate that is positioned on the suction slot ends, and this backplate contains second sliding surface that first sliding surface is prolonged.
According to the present invention, described matrix has dovetail groove, wherein said backplate constitutes at least one sliding lath and has corresponding to the contact-making surface of described dovetail groove moulding and corresponding to the cross section of described dovetail groove, described at least one sliding lath is pushed in the described dovetail groove, wherein described at least one sliding lath is fixed in the groove by the lid that the negative pressure channel of described matrix is closed at the end side surface place.Fixing by the way also causes having reduced tolerance.
According to a kind of preferred version, described sliding lath is designed to be disposed at jointly a plurality of adjacent suctions slit.This just makes manufacture simplification and forms a kind of backplate that has nothing to do with tolerance generally.
Described dovetail groove is preferably on the whole length of matrix and extends.。Such sliding lath preferably can be made by pottery or plastics, and can be arranged on the matrix with changing.Can all be provided with a unique sliding lath to each matrix of negative pressure channel in this case, perhaps, the sliding lath of a plurality of same-types be formed a line mutually each matrix.
Sliding lath can be close to and be adjacent to each suction slit, perhaps divides to be clipped to each suction slot ends and to have a little distance.For conveyer belt is seamlessly reclined, preferably slightly microprotrusion ground is crooked on its sliding surface for sliding lath.
The present invention also relates to the backplate of the negative pressure channel that a kind of fiber accumulation device that is used for a spinning frame uses, it have one configurable in a conveyer belt sliding surface and have and be used to be encased in a contact-making surface in the negative pressure channel, and it is characterized in that contact-making surface is used to be pushed in the dovetail groove.Therefore also require protection separately for backplate.
Description of drawings
The visible following explanation of other advantage of the present invention and feature to an embodiment.Accompanying drawing is depicted as:
Fig. 1: the side elevation in partial section of a fiber accumulation device, this device comprise one according to negative pressure channel of the present invention;
Fig. 2: a cross section according to the amplification of sliding lath of the present invention;
Fig. 3: a negative pressure channel view on the arrow II direction in Fig. 1.
The specific embodiment
The fiber accumulation device 1 that is used for the drafted fiber strip of compacting 2 shown in Fig. 1 to 3 is a spinning frame, the part of a ring throstle preferably.Each spinning organ a of this spinning frame, b, c, d...... have a drafting system 3 shown in just local, wherein represented delivery roller to 4,5 and aprons in front to 6,7.Delivery roller includes a passive bottom roll 4 and one to 4,5 and compresses roller 5.Bottom roll 4 and compress roller 5 and form an output clamping lines 8 mutually, the draw zone of drafting system 3 is through with on this line.
On drawing-off direction A, import a fiber strip or a rove 9 for each drafting system 3, and in 3 li of the drafting systems desirable fineness extremely of drawing-off always in known manner.Owing to the described reason of beginning, and then the delivery roller of drafting system 3 to 4,5 be a compacting zone 10, in this compacting zone, should make described drawing-off but also the fiber strip 2 of spinning twisting carry out boundling or compacting.Designed separately for this reason fiber accumulation device 1 includes a ventilative conveyer belt 11, and this conveyer belt makes fiber strip 2 transportations through compacting zone 10.The webbing that conveyer belt 11 is preferably thin, detailed catalogue, made by polyamide fiber.
The outlet side of compacting zone 10 limits with a jaw 12, and this jaw is used as resistance twist mechanism simultaneously, therefore makes fiber strip 2 not be retained in 10 li of compacting zone with having twisting.Then 12 of this jaws produce yarn 13, and it is fed to a unshowned twisting mechanism on direction of the supply B, for example a ring ingot also obtains its spinning twisting here.
Have a negative pressure channel 14 to be disposed at fiber accumulation device 1 in addition, the present invention just relates to this negative pressure channel, and it is made up of a tubular matrix 15 basically.Matrix 15 is at a plurality of spinning organ a, b, and c, the last extension of d......, and for example concerning each machine part, all be connected on the unshowned negative pressure source by a negative pressure joint 16.
The outline towards conveyer belt 11 of described matrix 15 is designed to one first sliding surface 17, and it makes conveyer belt 11 in this position guiding.
17 li of this first sliding surfaces for each spinning organ a, b, c, d...... all be provided with one basically along the transporting direction of fiber strip 2, just along suction slit 18 that the circumferencial direction of tubular matrix 15 extends, this suction slit betransported is with 11 to cover, and extend to always jaw 12 near.As seen from Figure 2, suction slit 18 slightly is obliquely with respect to the transporting direction of conveyer belt 11 to be arranged.The negative pressure of passing through to be produced has formed crossflow, and this crossflow is laterally with fiber strip 2 compactings.This is supported by means of the false twisting effect that is in tilted layout slightly and is produced thus in suction slit 18.
For the twisting that causes jaw 12 place needs stops, being provided with a clamping roller 19, this clamping roller drives described conveyer belt 11 and fiber strip 2 is pressed on the conveyer belt 11, and conveyer belt 11 is pressed on the negative pressure channel 14 with certain thrust.Clamping roller 19 is for example realized its transmission by an odontoid belt that compresses roller 5 20 from drafting system 3.On the side that deviates from compacting zone 10 of described negative pressure channel 14, this conveyer belt 11 leads by a take up member 21.
Because clamping roller 19 is pressed to negative pressure channel 14, so especially produce certain abrasion at the position of jaw 12, these wearing and tearing should be overcome.Therefore be provided with a removable backplate 22 at place, suction 18 ends, slit, it is encased in 15 li of matrixes, and followingly also will be illustrated exactly.
According to the present invention, described backplate 22 is designed to be disposed at jointly the sliding lath 24 in a plurality of adjacent suction slits 18.This is in 15 li of matrixes and is provided with a dovetail groove 25 that extends on its whole length, from end side surface sliding lath 24 is pushed into this dovetail groove.Sliding lath 24 is provided with contact-making surface 26,27 and 28 corresponding to dovetail groove 25.The described lid 29 and 30 that negative pressure channel 14 is closed on its end side surface is side by side fixed the sliding lath 24 of 15 li of matrixes.
Especially as seen from Figure 2, the profile that is referred to as second sliding surface 23 of described sliding lath 24 is that projection ground is crooked slightly.
Claims (11)
1. the negative pressure channel used of the fiber accumulation device of a spinning frame, this negative pressure channel has configurable tubular matrix in a plurality of spinning organs, the outline of this matrix contains first sliding surface at each spinning organ place for a ventilative conveyer belt, this first sliding surface has basically the suction slit of extending along the circumferencial direction of matrix, described negative pressure channel also has the backplate that is positioned on the suction slot ends, this backplate contains second sliding surface that first sliding surface is prolonged, it is characterized in that, matrix (15) has dovetail groove (25), wherein said backplate constitutes at least one sliding lath (24) and has contact-making surface (26 corresponding to described dovetail groove (25) moulding, 27,28) and corresponding to the cross section of described dovetail groove (25), described at least one sliding lath (24) is pushed in the described dovetail groove, wherein make described at least one sliding lath (24) be fixed on groove (25) lining by the lid (29,30) that the negative pressure channel (14) of described matrix (15) is closed at the end side surface place.
2. by the described negative pressure channel of claim 1, it is characterized in that described sliding lath (24) is disposed at a plurality of adjacent suction slits (18) jointly.
3. by the described negative pressure channel of claim 1, it is characterized in that each matrix (15) is provided with a sliding lath (24).
4. by the described negative pressure channel of claim 1, it is characterized in that described dovetail groove extends on the whole length of matrix.
5. by the described negative pressure channel of claim 1, it is characterized in that each matrix (15) is provided with a plurality of sliding laths (24) of lining up row mutually.
6. by described negative pressure channel one of in the claim 1 to 5, it is characterized in that sliding lath (24) is close to and is adjacent to suction slit (18).
7. by described negative pressure channel one of in the claim 1 to 5, it is characterized in that there is a little distance sliding lath (24) to the end of aspirating slit (18).
8. by described negative pressure channel one of in the claim 1 to 5, it is characterized in that sliding lath (24) is made by pottery or plastics.
9. by described negative pressure channel one of in the claim 1 to 5, it is characterized in that sliding lath (24) can be arranged on the matrix (15) with changing.
10. by described negative pressure channel one of in the claim 1 to 5, it is characterized in that second sliding surface (23) of sliding lath (24) is convex curved slightly.
11. be used for the backplate of the negative pressure channel that the fiber accumulation device of a spinning frame uses, this backplate has the sliding surface that can be disposed at a conveyer belt and has and is used to be encased in a contact-making surface in the negative pressure channel, it is characterized in that, described contact-making surface (26,27,28) be used to be pushed into dovetail groove (25) lining.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200410062796 DE102004062796A1 (en) | 2004-12-20 | 2004-12-20 | Suction channel for sliver compacting in spinning includes wear-resistant reinforcement strip near suction slot covering several adjacent spinning positions |
| DE102004062796.7 | 2004-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1793454A CN1793454A (en) | 2006-06-28 |
| CN1793454B true CN1793454B (en) | 2011-07-06 |
Family
ID=36580296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510129692 Expired - Fee Related CN1793454B (en) | 2004-12-20 | 2005-12-20 | Nevigation pressure for fibre bind device of spinning frame and backplate used by the nevigation pressure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1793454B (en) |
| DE (1) | DE102004062796A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5098880B2 (en) * | 2008-08-04 | 2012-12-12 | 株式会社豊田自動織機 | Fiber bundle concentrator in spinning machine |
| CH702653A2 (en) | 2010-02-12 | 2011-08-15 | Rieter Ag Maschf | Drafting arrangement for a spinning machine. |
| CN101851818A (en) * | 2010-05-06 | 2010-10-06 | 襄樊全新纺织技术有限公司 | Airflow-type bottom pin device of roving frame |
| DE102012110899A1 (en) * | 2012-11-13 | 2014-05-15 | Wilhelm Stahlecker Gmbh | Insert for pneumatic compression device for compression spinning on spinning machine, has lateral guide surfaces for lateral guidance of conveyor belt in region of clamping point, particularly in lateral extension of clamping line |
| DE102013113406A1 (en) * | 2013-12-03 | 2015-06-03 | Maschinenfabrik Rieter Ag | Insert and spinning machine |
| CN108893810B (en) * | 2018-09-18 | 2021-04-16 | 武汉纺织大学 | Spinning method for continuously wrapping and wrapping hairiness in preposed negative pressure adsorption mode |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10000615A1 (en) * | 2000-01-10 | 2001-07-12 | Stahlecker Fritz | Assembly to condense a drawn sliver at a spinning machine has a sliver sliding surface at the suction channel of a wear-resistant ceramic insert which incorporates the end of the suction slit |
| CN1367282A (en) * | 2001-01-24 | 2002-09-04 | 里特机械公司 | Equipment for collecting one ribbon on one spinning machine |
| CN1416483A (en) * | 2000-11-09 | 2003-05-07 | 里特机械公司 | Device for compressing fiber assembly in spinning machine |
-
2004
- 2004-12-20 DE DE200410062796 patent/DE102004062796A1/en not_active Withdrawn
-
2005
- 2005-12-20 CN CN 200510129692 patent/CN1793454B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10000615A1 (en) * | 2000-01-10 | 2001-07-12 | Stahlecker Fritz | Assembly to condense a drawn sliver at a spinning machine has a sliver sliding surface at the suction channel of a wear-resistant ceramic insert which incorporates the end of the suction slit |
| CN1416483A (en) * | 2000-11-09 | 2003-05-07 | 里特机械公司 | Device for compressing fiber assembly in spinning machine |
| CN1367282A (en) * | 2001-01-24 | 2002-09-04 | 里特机械公司 | Equipment for collecting one ribbon on one spinning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004062796A1 (en) | 2006-06-29 |
| CN1793454A (en) | 2006-06-28 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20171220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |