CN101827963A - Device for the detection of breaking of a fibre web - Google Patents
Device for the detection of breaking of a fibre web Download PDFInfo
- Publication number
- CN101827963A CN101827963A CN200880105408A CN200880105408A CN101827963A CN 101827963 A CN101827963 A CN 101827963A CN 200880105408 A CN200880105408 A CN 200880105408A CN 200880105408 A CN200880105408 A CN 200880105408A CN 101827963 A CN101827963 A CN 101827963A
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- China
- Prior art keywords
- equipment
- detecting element
- fiber web
- along
- aforementioned
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- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
- D01H13/1616—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material characterised by the detector
- D01H13/1625—Electro-mechanical actuators
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G31/00—Warning or safety devices, e.g. automatic fault detectors, stop motions
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
- D01H13/18—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material stopping supply only
- D01H13/186—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material stopping supply only guiding or drafting cylinders moving by gravity when a yarn breakage occurs
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The present invention relates to a device for the detection (1) of breaking of a fibre web comprising a number of spherical detection elements (20) held by rods (140).
Description
Technical field
The present invention relates to be used for the equipment that the detection fibers net breaks, it can be used on the machinery that is used for the processing fiber net.
Background technology
As everyone knows, for obtaining fiber web the processing of wadding fiber (flock fibre) is at first gone up execution at blowing room with machine (blow room machines), thereby predetermined producing still is fiber cotton-shaped but that part purifies, this fiber is intended for the processing on carding machine, and fiber leaves carding machine with fibroreticulate form.
Then fiber web is in the downstream of combing, for example accept further processing in drawing frame, lapper or combing machine, is in order to obtain to have spacing (gauge) and the fiber web that more cleans of the fiber that collimation is good of rule as far as possible like this.
On the machine in the downstream that is in carding machine, especially in drawing frame, process on volume machine or combing machine, considerable is to detect fibroreticulate breaking immediately, promptly to stop machine run, to reconnect and break part and recover processing.
Therefore, in this part, it is considerable having the equipment that the detection fibers net breaks, and this equipment not only is suitable for detecting immediately this breaking, and in other words also is suitable for detecting this breaking when occurring breaking reliably when actual.
In fact, influence fibroreticulate production cost and quality the downtime of machine, especially influence the repeatability of fibroreticulate expection production feature (clean-up performance, the systematicness of spacing).
There is a large amount of checkout equipment as known in the art.
For example, document CH 383228 shows and a kind ofly receives two fibroreticulate machines and by the formed equipment that breaks and detect of being used to of stationary cylinder and mobile cylinder, wherein mobile cylinder is held against stationary cylinder by spring with fiber web from two bar tubes (can).Fibroreticulate breaking causes contact between the cylinder, thus the closed circuit that sends the signal that breaks.
Document GB 886,525 shows the lever identification apparatus, and wherein, yarn overcomes the position that gravity remains on hinged lever rising when intact.Along with yarn breakage, lever rotates, bump plate-like piece, this plate-like piece blocking-up machine.
Document US 3,330,007 shows the checkout equipment with stack manner operation, and this checkout equipment comprises framework and lever, and this lever is when fiber web is intact and the framework electrical separation.Along with fiber web breaks, the roller by the upstream piles up for continuously the fiber web that send below lever, thereby raises lever and lever is contacted with framework.Therefore, blocking circuit closure.
Document JP-59-168138 shows the checkout equipment that comprises optical fiber and receiver.When yarn breakage, to collect by receiver by the light beam that optical fiber sends, receiver sends disabling signal.
Document US 5,023,976 show and comprise that rod member supports the checkout equipment of sensor, for the fiber web of each feeding is provided with a sensor.
Other patent documentation shows other checkout equipment, and itself and the said equipment function class are seemingly.
Another known checkout equipment comprises a plurality of rollers little, that move freely, and roller places on the fiber web and by the rotating cylinder that is positioned at the fiber web below and supports.When one of them broke when fiber web, relevant roller dropped on the cylinder that is positioned at its below, thus closed blocking circuit.
Yet present known solution has some shortcomings.
By spring the solution that parts are pressed against on the fiber web is produced the effect that stops fiber web to advance, this effect changes into undesirable traction (draw).When equipment had by fiber web and is positioned at the small-sized roller that live-rollers supported of fiber web below, same situation can take place.Produce said in the industry " false traction ".
Yet, predict and only use light source and wherein the solution of the interruption decision disabling signal of light beam is very unreliable, because the fiber web of advancing with very high speed may produce fluctuation, make light beam to be fluctuateed but not intact fibroreticulate blocking-up.On the other hand, still for this equipment, fiber web may break owing to fluctuation, but the end that breaks of fibroreticulate, as to be in rent upstream and downstream part can not tackled light beam, thereby does not produce any disabling signal.
Summary of the invention
The objective of the invention is to create and overcome with reference to the described shortcoming of prior art and satisfy the checkout equipment of aforementioned requirement simultaneously.
This purpose is by realizing according to the made checkout equipment of claim 1.Dependent claims has been described the variant of embodiment.
Description of drawings
From following statement and the description that provides of non-limiting example by with reference to the accompanying drawings, can be apparent according to the feature and advantage of checkout equipment of the present invention, in the accompanying drawings:
Fig. 1 shows the stereogram of equipment according to the embodiment of the present invention;
Fig. 2 shows the side view of the checkout equipment of Fig. 1; And
Fig. 3 illustrates the vertical view of checkout equipment among Fig. 1;
Fig. 4 shows the stereogram of the checkout equipment of another embodiment according to the present invention;
Fig. 5 has shown the side view of checkout equipment among Fig. 4; And
Fig. 6 illustrates the vertical view of checkout equipment among Fig. 4.
The specific embodiment
With reference to the accompanying drawings, reference number 1 is represented to be used for the equipment that fiber web breaks and detects according to of the present invention on the whole.Also can be used for for example in Speed frames or spinning organ, detecting breaking of yarn below with reference to the described equipment of fiber web.
Preferably, framework 2 comprises smooth diapire 4, sidewall 6 and exit wall 8, and sidewall 6 is connected to diapire 4 and for example vertically outstanding from diapire 4, and exit wall 8 is connected to sidewall and tends in fact be parallel to diapire.
In addition, framework 2 is included in side 9a and the 9b that transversely limits equipment.
Equipment 1 has inlet region 10, fiber web after leaving, for example from carding machine by the processing that miscellaneous equipment or machine carried out that is in the checkout equipment upstream after, enter inlet region 10.
In addition, equipment has outlet area 12, fiber web before being drawn towards by the other further processing that equipment or machine carried out that is in checkout equipment 1 downstream, for example to be drawn towards the traction unit (draft unit) of drawing frame preceding, leaves outlet area 12.
Fiber web 10 moves in direction of advance to outlet area 12 from the inlet region along moving direction X.
In addition, equipment 1 also comprises at least one detecting element 20, and detecting element 20 moves freely to be suitable for producing when breaking along falling direction Y from fiber web normal Operational Zone 22 when intact at fiber web and moves in the whereabouts mode and send signaling zone 24.
In other words, detecting element 20 is supported by the fiber web that transmits between inlet region 10 and outlet area 12, thereby is retained in the normal Operational Zone 22 that is arranged in fiber web top itself.
Below the fiber web is to send signaling zone 24 and be positioned at, and when fiber web broke, detecting element 20 entered in the whereabouts mode and sends signaling zone 24.
The weight that detecting element 20 has makes it be supported on separately in the normal Operational Zone 22 by the fiber web in transmitting.
In fact, detecting element 20 is enough light so that it is supported by the fiber web itself in transmitting, and need not to be positioned at assisting of live-rollers below the fiber web itself.
For example, detecting element 20 is a ducted body, and it is for example made by non-conducting material such as plastic material.
In addition, detecting element 20 has suitable geometry so that roll on its fiber web in transmission.
For example, horizontal T is defined as with the moving direction X direction vertical with falling direction Y after, the object of detecting element 20 for having circular lateral cross-section, this circular lateral cross-section forms with the plane that comprises fiber web moving direction X.
Preferably, detecting element 20 is a spherical basically.
In addition, equipment 1 comprises be suitable for detecting the checkout gear that described detecting element 20 exists in sending signaling zone 24.
For example, checkout gear comprises transmitter 30 and the receiver 32 that detects as the signal of light beam.
Under normal operation, the signal that is sent by transmitter 30 arrives receiver 32 uninterruptedly; When the detecting element 20 that breaks along with fiber web loses its support and falls into when sending signaling zone 24, stopped the transmission of signal from the transmitter to the receiver like this, because detecting element 20 is not made not see through form, size and the material of described signal.
In other embodiment, checkout gear comprises the electrical equipment of two non-electric coupling (electricallyuncoupled), and when detecting element fell, the electrical equipment of two non-electric coupling was electrically connected, thereby makes the blocking circuit closure.
Yet, can notice that checkout gear is located in such height: make that checkout gear and detecting element 20 structurally break away from when described detecting element is supported by intact fiber web.In other words, detecting element is only supported by fiber web, and need not for example to belong to other member auxiliary of this checkout gear.
According to preferred implementation, equipment is suitable for the positioner that the restriction detecting element moves between inlet region 10 and outlet area 12 1 other also comprising.
In other words, positioner is suitable for moving along fibroreticulate moving direction X restriction detecting element.
For example, described positioner comprises a plurality of rod members 40,140, and a plurality of rod members 40,140 mainly extend and are arranged to form the fence that is used for detecting element along the falling direction Y of detecting element 20.
Normal Operational Zone 22 and send signaling zone 24 and be limited between the described rod member 140 along falling direction Y.
In addition, preferably, described positioner is suitable for moving along horizontal T restriction detecting element 20.For example, described rod member 40,140 is along laterally T is spaced apart.
Particularly, the size of described rod member 40,140 and interval are set to prevent that detecting element 20 is current between rod member 40,140, and preferably prevent contacting between a detecting element and its horizontal detecting element side by side.
According to an embodiment, positioner comprises the isolated two tier pole spares 40 along fibroreticulate moving direction X, and wherein, every row has along the horizontal isolated rod member of T (Fig. 1 to 3).
Moving of each detecting element 20 by 40 restrictions of 4 rod members, thus each detecting element 20 is moving by the formed fence of these 4 rod members is inner.
In the variant of another embodiment, positioner comprises the rod member 140 of shaping, and the rod member 140 of shaping has at least one concave surface 142 holding detecting element 20, thereby partly limits move (Fig. 4 to 6) of detecting element 20.
Particularly, the rod member 140 of shaping has by the plane resulting normal section vertical with detecting element 20 falling direction Y, and this normal section has concave indentation in detecting unit one side, thereby forms described concave surface 142.
Preferably, in addition, shaping rod member 140 also has at least one rounded nose 144 at least above this breach.
For example, the rod member 140 of shaping has the cross section of the figure of eight, and this cross section has 144, two heads of two heads 144 endways and connects by the neck 146 thinner than head, thereby forms concave surface 142.
Advantageously, the head auxiliary fiber net of shaping slides and limits the winding appearance of not expecting forward.
According to another embodiment, equipment 1 comprises cleaning device, and the residue that this cleaning device is suitable for separating from fiber web when fiber web passes is removed from the operating area of checkout equipment.
Preferably, cleaning device comprises aspirator, and this aspirator comprises at least one mouth of pipe 150 that is connected to pumping equipment.
For example, the mouth of pipe 150 is located on the bottom 4 of framework 2 of equipment 1, and preferably is arranged in line by the occupied transverse banded region territory of rod member 40,140 with the light eye (optic eye) of checkout equipment.
According to the variant of an embodiment, cleaning device comprises and is suitable for inflatable body that residue is blown off from the operating area of checkout equipment.
Preferably, in addition, equipment 1 also comprises and is suitable between inlet region 10 and outlet area 12 the fibroreticulate guiding device of guiding.
For example, guiding device comprises upstream stem 50 and downstream bar 52, and upstream stem 50 and downstream bar 52 are main along laterally T extension and spaced apart along moving direction X.For example, bar 50,52 is cylindrical.
Can notice that the plane tangent with the outer surface of described bar 50,52 limits fibroreticulate plane of motion, send signaling zone 24 and be limited at tangent below, plane along detecting element 20 falling direction Y.
Preferably, in addition, guiding device also comprises turning-bar 60, and turning-bar 60 is located in the upstream and the laterally T extension of main edge of upstream stem 50.
Preferably, bar 50,51 attaches to side 9a and 9b, and rod member 40,140 attaches to diapire 4.
Preferably, in addition, equipment 1 comprises a plurality of detecting elements 20, the horizontal each other and registration of a plurality of detecting elements 20, and each element is predetermined to be supported by its fiber web separately.
Innovation ground, checkout equipment according to the present invention makes the shortcoming that overcomes prior art become possibility.
Particularly, fiber web is not subjected to its member that supported or that press it of reason and the influence of the vacation that produces traction.Therefore, fiber web can freely move ahead.
Advantageously, in addition, because spherical element makes its contact point with the positioner spare that centers on minimize, so ball type device tends to freely roll more.
According to another favourable aspect, the fiber web that equipment is not expected restriction twines and becomes possibility.
In addition, because the fibroreticulate fluctuation that transmits does not influence checkout gear, so equipment only just detects when breaking true the generation and breaks, thus the necessary condition that equipment has been emphasized before having satisfied.
Obviously, those skilled in the art can carry out variant and change to the said equipment, with satisfy may with concrete requirement, and all these variants and changing are included in the protection domain that is defined by the following claims.
Claims (27)
1. one kind is used for the equipment (1) that fiber web breaks and detects, and is suitable for detecting described fibroreticulate breaking, and the described fiber web equipment (1) that detects that breaks that is used for comprising:
-inlet region (10), the described fiber web that leaves from the equipment that is in described checkout equipment upstream enters described inlet region (10);
-outlet area (12), described fiber web leaves from described outlet area (12), and described outlet area (12) points to the equipment that is in described checkout equipment downstream, and the described fiber web that transmits to described outlet area from described inlet region limits moving direction (X);
-detecting element (20), described detecting element (20) moves freely to be suitable for when described fiber web breaks along falling direction (Y) from described fiber web normal Operational Zone (22) when intact and moves in the whereabouts mode and send signaling zone (24), and laterally (T) is restricted to the direction vertical with described falling direction with described moving direction;
-checkout gear is suitable for detecting described detecting element in described existence of sending in the signaling zone;
Wherein, described detecting element has such weight, and this weight makes it be supported on individually in the described operate as normal district by the described fiber web in transmitting.
2. equipment according to claim 1, wherein, described checkout gear is located in such height: make that described checkout gear and described detecting element structurally break away from when described detecting element is supported by intact fiber web.
3. equipment according to claim 1 and 2, wherein, described checkout gear comprises transmitter (30) that is suitable for launching detection signal and the receiver (32) that is suitable for receiving described detection signal, and wherein, described detecting element does not see through described detection signal at least in part.
4. equipment according to claim 3, wherein, described detecting element is made by plastic material, and described transmitter is suitable for launching the light beam as detection signal.
5. according to each described equipment in the aforementioned claim, wherein, described detecting element is a ducted body.
6. according to each described equipment in the aforementioned claim, wherein, described detecting element is made by non-conducting material.
7. equipment according to claim 6, wherein, described material is a plastic material.
8. according to each described equipment in the aforementioned claim, wherein, described detecting element is the object with circular lateral cross-section, and described circular lateral cross-section forms with the plane that comprises described fibroreticulate moving direction.
9. equipment according to claim 7, wherein, described detecting element is essentially spherical.
10. according to each described equipment in the aforementioned claim, comprise in addition:
-positioner, described positioner are suitable for limiting moving of described detecting element between described inlet region and described outlet area.
11. equipment according to claim 10, wherein, described positioner comprises a plurality of rod members (40,140), described a plurality of rod member (40,140) mainly along described falling direction (Y) extension of described detecting element (20), described normal Operational Zone and the described signaling zone that sends are limited between the described rod member along described moving direction.
12. according to claim 10 or 11 described equipment, wherein, described positioner is suitable for moving along the described described detecting element of laterally (T) restriction in addition.
13. equipment according to claim 12, wherein, described positioner comprises a plurality of rod members (40,140), and described a plurality of rod members (40,140) are mainly along the described falling direction extension of described detecting element and along described spaced.
14. according to the described equipment of claim 11, wherein, described rod member (140) for be shaped and have at least one concave surface (142), thereby partly hold described detecting element (20) to limit moving of described detecting element (20).
15. according to the described equipment of claim 14, wherein, the described rod member (140) of shaping has the top (144) of at least one circle at least above breach.
16., comprise in addition being suitable for the described fibroreticulate guiding device of guiding between described inlet region and described outlet area according to each described equipment in the aforementioned claim.
17. equipment according to claim 16 comprises upstream stem (50) and downstream bar (52), described upstream stem (50) and downstream bar (52) are main along laterally (T) extension and spaced apart along described moving direction (X).
18. equipment according to claim 17, wherein, the plane tangent with the outer surface of described bar limits described fibroreticulate plane of motion, and the described signaling zone that sends is restricted to along the described falling direction of described detecting element and is positioned at below, described tangent plane.
19. according to claim 17 or 18 described equipment, wherein, described guiding device comprises turning-bar (60) in addition, described turning-bar (60) is located in the upstream of described upstream stem also mainly along horizontal expansion.
20. according to each described equipment in the aforementioned claim, comprise the framework (2) of the parts that support described equipment, described framework (2) can be connected to machine removably, so that described checkout equipment is installed on described machine.
21., comprise a plurality of detecting elements of horizontal each other and registration according to each described equipment in the aforementioned claim.
22. according to each described equipment in the aforementioned claim, comprise cleaning device, described cleaning device is suitable for the described fibroreticulate residue of operation is forward removed from the working region of described checkout gear.
23. according to the described equipment of claim 22, wherein, described cleaning device comprises aspirator, described aspirator comprises the mouth of pipe (150) that is connected with pumping equipment.
24. a drawing frame comprises that at least one is according to each describedly is used for the equipment that the detection fibers net breaks in the claim 1 to 23.
25. a lapper comprises that at least one is according to each describedly is used for the equipment that the detection fibers net breaks in the claim 1 to 23.
26. a combing machine comprises that at least one is according to each describedly is used for the equipment that the detection fibers net breaks in the claim 1 to 23.
27. Speed frames or spinning organ comprise that at least one is according to each describedly is used for the equipment that the detection fibers net breaks in the claim 1 to 23.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITBS20070131 ITBS20070131A1 (en) | 2007-09-03 | 2007-09-03 | DEVICE FOR DETECTION OF THE BREAKAGE OF A FIBER RIBBON |
| ITBS2007A000131 | 2007-09-03 | ||
| PCT/IB2008/053532 WO2009031090A1 (en) | 2007-09-03 | 2008-09-01 | Device for the detection of breaking of a fibre web |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101827963A true CN101827963A (en) | 2010-09-08 |
| CN101827963B CN101827963B (en) | 2012-02-15 |
Family
ID=40174790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801054088A Active CN101827963B (en) | 2007-09-03 | 2008-09-01 | Device for the detection of breaking of a fibre web |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2183416B1 (en) |
| CN (1) | CN101827963B (en) |
| BR (1) | BRPI0816300B1 (en) |
| IT (1) | ITBS20070131A1 (en) |
| WO (1) | WO2009031090A1 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1589648A (en) * | 1923-05-19 | 1926-06-22 | Charles W Hubbard | Stop motion |
| FR1288818A (en) * | 1961-02-14 | 1962-03-30 | Alsacienne Constr Meca | Textile Machine Drill Bit |
| CH478264A (en) * | 1966-08-09 | 1969-09-15 | Luwa Ag | Method for monitoring the roving on wing spinning machines |
| ES168927Y (en) * | 1971-05-14 | 1972-05-01 | Riera Masot | DEVICE FOR-MECHAS. |
| JPS5412571Y2 (en) * | 1973-02-28 | 1979-06-01 | ||
| US4095062A (en) * | 1976-09-03 | 1978-06-13 | Platt Saco Lowell Limited | Stop-motion apparatus |
| CN2043976U (en) * | 1988-09-10 | 1989-09-06 | 史品山 | Infrared digital display auto-controller for end breaking |
| US5429157A (en) * | 1993-09-07 | 1995-07-04 | Plemons; G. Dale | Blade type drop wire |
| CN2405215Y (en) * | 2000-02-03 | 2000-11-08 | 山西经纬合力机械制造公司总厂 | Photoelectric detecting means for combing machine |
| CN2851299Y (en) * | 2005-10-20 | 2006-12-27 | 青岛环球集团股份有限公司 | Infrared synchronous monitor for broken sliver of drawing frame |
-
2007
- 2007-09-03 IT ITBS20070131 patent/ITBS20070131A1/en unknown
-
2008
- 2008-09-01 BR BRPI0816300-6A patent/BRPI0816300B1/en active IP Right Grant
- 2008-09-01 WO PCT/IB2008/053532 patent/WO2009031090A1/en active Application Filing
- 2008-09-01 EP EP08789664.3A patent/EP2183416B1/en active Active
- 2008-09-01 CN CN2008801054088A patent/CN101827963B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0816300A2 (en) | 2015-11-24 |
| BRPI0816300B1 (en) | 2017-12-12 |
| CN101827963B (en) | 2012-02-15 |
| ITBS20070131A1 (en) | 2009-03-04 |
| EP2183416A1 (en) | 2010-05-12 |
| EP2183416B1 (en) | 2014-03-26 |
| WO2009031090A1 (en) | 2009-03-12 |
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