CN1934305A - Stopper magnet - Google Patents
Stopper magnet Download PDFInfo
- Publication number
- CN1934305A CN1934305A CNA2005800093715A CN200580009371A CN1934305A CN 1934305 A CN1934305 A CN 1934305A CN A2005800093715 A CNA2005800093715 A CN A2005800093715A CN 200580009371 A CN200580009371 A CN 200580009371A CN 1934305 A CN1934305 A CN 1934305A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic brake
- terminal part
- armature
- crossbeam
- discoid body
- 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.)
- Granted
Links
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 30
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001123248 Arma Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/34—Handling the weft between bulk storage and weft-inserting means
- D03D47/36—Measuring and cutting the weft
- D03D47/361—Drum-type weft feeding devices
- D03D47/362—Drum-type weft feeding devices with yarn retaining devices, e.g. stopping pins
- D03D47/363—Construction or control of the yarn retaining devices
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Braking Arrangements (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
A stopper magnet (M) for yarn feeding devices includes a central armature (A) which is adjustable axially from a first position by a magnetic coil (C1, C2) into a second position against a stop (7, 8), and a metallic housing (H) containing the coil (C1, C2), the armature (A) and the stop (7, 8), the housing comprising an outer wall and upper and lower cover walls. The housing (H) comprises a tube section (2) forming the outer wall and two separate end parts forming the cover walls and contacting the ends of the tube section (2). The end parts (3, 4) are interconnected by at least two tensioning elements (T1, T2) located outside of the tube section (2).
Description
Technical field
The present invention relates to a kind of as claim 1 electromagnetic brake as described in the preamble.
Background technology
In the Yarn feeder of air-jet loom, electromagnetic braking constitutes the driver of banking pin, and banking pin need be measured the shuttle length of each shuttle (pick).Banking pin, for example combine with the memory bank of Yarn feeder and by electromagnetic brake the position of shrinking from memory bank and with position that memory bank engages between mobile banking pin.As long as banking pin is positioned at punctured position (retracted position), yarn coil just can extract from memory bank.At extended position, banking pin stops the extraction (withdrawal) of yarn.Electromagnetic brake is mobile very apace banking pin between above-mentioned two positions.In some cases, electromagnetic brake is only controlled banking pin and is entered moving of a position, and enters moving of another position by spring control banking pin.Limit each position of banking pin by the braking point (stop) of armature (arma ture) and/or banking pin.The collision (impact) at place, braking point needs to consume apace (dissipate) quite macro-energy.So collision bumper (impact damper), for example the packing ring that is supported by plastic material may be set between braking point and armature and/or the banking pin.Practical application shows buffer or the braking point is the kinematic system the most weak interior connection of electromagnetic brake.Wear and tear (wears) and need and replace in buffer and/or braking point then.
US-A-4,632,155 disclosed electromagnetic brakes have shell, and this shell comprises jar shape lower part and is fixed to the block of installing on the edge, edge is installed is positioned on the last end of jar shape lower part.The diapire of jar shape lower part and the braking point of armature integrally form.Block forms another braking point that limits the punctured position (retracted position) of banking pin.Clipped on the installation edge by fastener (fastening element) block, fastener is distributed in the periphery that edge is installed.Ring-type stroke keep plate is between block and installation edge.The shell of electromagnetic brake forms firm structure.Because only consume the buffering energy by armature and braking point, so the buffering two braking points causes in the braking point or the excessive wear that originally is at armature, and the service life of having limited electromagnetic brake undesirably.
Summary of the invention
Proposing a kind of electromagnetic brake as described above is purpose of the present invention, and electromagnetic brake has service life longer or that expand.
Realize above-mentioned purpose by the described feature of claim 1.
The position of design of shell and tension element causes the axial surrender (yieldability) of shell surprisingly, shell comprises the element of three separation, just tubular portion and two terminal parts, tension element (tensioning element) is positioned at the outside therefore tension element interconnect ends portion of tubular portion, outwards protrudes at this place's terminal part.When bumping, shell is surrendered (yield) in the axial direction, so the also surrender in the axial direction of each braking point.The wearing and tearing of braking point and/or armature have been reduced as the tension element of some the flexible respondent behavior a little of each braking point that axial surrender allowed of shell and combination.Press traditional approach, between armature and braking point buffer is set, for example the packing ring made of plastics also can reduce wearing and tearing.As a result, depend on that braking point and/or buffer and/or armature produce wearing and tearing and the life-span of the electromagnetic brake of the time point that must change prolongs greatly.
By the outside at two terminal parts the axial surrender of the axial surrender increase shell of crossbeam (lateral beam) shell is set, two terminal parts have with crossbeam outside and protrude the terminal tension element that engages.Owing to its elasticity, tension element is surrendered then, and tension element is positioned at from the central shaft of electromagnetic brake position far away relatively, and near each terminal part surrender when the bumping central shaft.
Expediently, terminal part is to have the block in complete skirt section (skirt) and the end that terminal part is set at tubular portion, so the skirt section surrounds the end of tubular portion.It is firm blocking a shot in the neighboring area of block when block takes place to surrender a little in the central area.
Expediently, crossbeam is combined with block.Be preferably each block a crossbeam is set.Alternatively, can replace using starlike girder construction, for example use the tension element of three or more regular distribution.
In order to increase each block, integrally be provided with to reinforce edge and protrude stub area with the skirt section reinforcing edge is set at each of crossbeam in the robustness of neighboring area.When being provided with that tension element engages with beam-ends reliably when supporting reinforcing edge and crossbeam protruding end.
One in the block can be provided with the continuous reinforcing edge of circumference, reinforces edge and comprises the other support that is used at run location Motionless electromagnetic brake.
At discoid body each braking point is set, preferably on the wheel hub of discoid body.Between terminal and terminal part discoid body is set at each of tubular portion, therefore discoid body transmit collision energy (impact energy) at least a portion to terminal part, and therefore consume collision energy to the strain of a plurality of interaction parts of small part.
Consume collision energy in order to alleviate each braking point by several elastic deformation components, preferably make discoid body in abutting connection with only end play being set at the terminal part of neighboring area and between the central area of discoid body and terminal part.When bumping (impact), in order to prevent braking point, buffer and/or armature excessive wear, end play makes discoid body surrender partly.When the central area of discoid body and even the influence of central area at collision energy of terminal part under when allowing to surrender a little, this structure keeps the cap perimeter zone to contact (intimate pre-loaded contact) with the close preload in the central area of tube so that the abundant rigidity of shell to be provided herein with the neighboring area of discoid body.
The design of the breach of shell and in some cases the surrender setting of discoid body central area be favourable for electromagnetic brake, only drive banking pin in one direction by electromagnetic force and banking pin returns by spring in this electromagnetic brake, perhaps each of two solenoids drives banking pin respectively on two axial directions in this electromagnetic brake.In two axial locations of each braking point qualification armature each.Under collision energy, make each braking point axially surrender.
Even banking pin by each solenoid under situation about driving on two axial directions, when excitation during (de-energised) solenoid, utilize and flick spring banking pin is arranged on the precalculated position also is easily.In a preferred embodiment, an end has dome, and this dome comprises the weak spring (weak spring biasingthe armature) that is offset armature and towards the banking pin that limits the position.
Banking pin must work with the memory bank one of Yarn feeder (co-act).Owing to this reason, a terminal part of electromagnetic brake has a passage, and banking pin extends to memory bank by this passage.Banking pin be connected on the armature or even with armature integrally (unitarily) form.Between discoid body and each terminal part, be advantageously provided banking pin plain bearing lining (stopper pin plain bearing bushing).Lining prevents that banking pin and/or armature from blocking (stroke) in the stroke motion process.
Advantageously, between each discoid body and adjacent terminal part thin sheet of plastic material is set, this sheet of plastic material produces the life-span that bigger axial elasticity is beneficial to braking point, buffer and/or armature itself.
When the tubular portion with coil or two coils with when the coil cover plate is generally prefabricated electromagnetic brake subelement in some cases, make and the assembling electromagnetic brake is easily.Solenoid or adhere on the tubular portion or be loaded in the tubular portion.
Description of drawings
Describe embodiments of the invention in detail by accompanying drawing.In the accompanying drawings:
Fig. 1 is the axle part section front view of the part of Yarn feeder parts;
Fig. 2 is the stereogram of the employed electromagnetic brake of Fig. 1; And
Fig. 3 is the three-dimensional exploded view of the electromagnetic brake element before the assembling.
The specific embodiment
Fig. 1 shows the part of the Yarn feeder F of air-jet loom.Yarn feeder F comprises braking equipment S, and the shell 1 of braking equipment S is installed on the unshowned shell of Yarn feeder.The not shown shell of Yarn feeder is support fixation memory bank B also, and the overall diameter of storage body B for example is variable.
Has hole 1 at the position memory bank B (only showing the part of memory bank B) that combines with banking pin P.Banking pin P illustrates and is the part of the electromagnetic brake M in the shell 1 at extended position.
Electromagnetic brake M has metal shell H, and metal shell H comprises tubular portion 2 that forms outer wall and two terminal parts 3 and 4 that form the cover plate up and down of shell H.Terminal part 3 has the block shape and is positioned at the upper end of tubular portion 2.Lower end portion 4 also has the block shape and is positioned at the lower end of tubular portion 2.Shell H comprises two solenoid C1 and C2, and two solenoids drive banking pin P by armature A, and armature A is between extended position that illustrates and unshowned retracted position.Shell H comprises two braking points 7,8 that limit banking pin P position.Between armature A and each braking point 7,8, circular buffer 5,6 is set, the packing ring that preferred plastic material is made.
Between each terminal part 3,4 and coil C1, C2 discoid body 9,10 is set, the periphery of discoid body 9,10 is on each end of tubular portion 2, and discoid body 9,10 has the center hub (boss) that forms each braking point 7,8.In the illustrated embodiment, between each discoid body 9,10 and terminal part 3,4, thin plate 21 is set, for example is made of plastics.
In the illustrated embodiment, by two tension element T1, T2 relative on diametric(al), two terminal parts 3,4 that interconnect, therefore the neighboring area by plate 21 (if being provided with) and 9, the 10 extrusion tip portions 3,4 of the discoid body on tubular portion 2 ends.
It is to be noted it only is the neighboring area of terminal part 3,4 and the neighboring area adjacency of plate 21 (if being provided with) and discoid body 9,10.Between (and plate 21) central area of discoid body 9,10 and terminal part 3,4, be provided with end play.
Between the wheel hub of discoid body 10 and terminal part 4, banking pin plain bearing lining 11 is set, for example makes by plastic material.Lining 11 axial lead banking pin P and also guide armature A by banking pin P.Terminal part 4 has the central passage (passage) 28 of banking pin P.
Fig. 2 shows two terminal parts 3,4 and how to pass through the more details that tension element T1, T2 realize interconnection.In the illustrated embodiment, in the exterior top surface of each end portion 3,4 crossbeam Q is set, even is attached in the terminal part 3,4.In unshowned other embodiment, independent crossbeam Q can only be positioned at the upper surface of each terminal part 3,4.Each crossbeam Q two ends is outstanding, and two ends exceed the periphery of terminal part 3,4.Tension element T1, T2 are arranged on the outside of tubular portion 2, and have a radial distance of relative tubular portion 2, and tension element T1, T2 are basically parallel to the central shaft of electromagnetic brake M.Tension element T1, T2 can be strain screws, and when thread spindle was gone up the end of crossbeam Q of terminal part 3 by precession (threaded into) in, the head of strain screw was positioned on the beam-ends of lower end portion 4.
Fig. 3 shows each terminal part that resembles block 3, has circumference skirt section 15 and integrated crossbeam Q.In the optional embodiment that does not illustrate, setting has the starlike girder construction of three or more regular distribution beam and replaces three or more tension element.Terminal part 3 has the edge 16 of reinforcing, protrudes peripheral (periphery) at this zone crossbeam Q.And, in this zone, be provided with the support 17 of complete formation, for example have the screwed hole 18 of the thread spindle that is used for strain screw T1, T2.Round otch 19 in skirt section 15 makes can place cable (cabling) 23.The axle (shaft) 14 of the end face of portion 3 formation makes and can insert other cable and/or sensor endways.
Tubular portion element group can be prefabricated subelement (prefabricated sub-unit) E of electromagnetic brake M.For this purpose, solenoid C1, C2 (not shown in Figure 3) be adhered to or the tubular portion 2 of packing in, for example with coil cover plate 24.With Reference numeral 25 expression glue or potting.In prefabricated unit E, also be provided with cable 23.
In the process of the electromagnetic brake M of Fig. 2 assembling, at first guideway 22 (Fig. 3) is inserted in the centre bore of subelement E.The armature that guideway 22 guiding are inserted subsequently.Then, discoid body 9 (if being provided with) and, before plate 21 is loaded onto, collision bumper 5 is screwed into going up on the axle (stem) of (thread) armature A.Then, before supporting disk 20 is installed, spring 12 is installed on the armature A.At last terminal part 3 is installed on the subelement E.
Then element group Rotate 180 degree recited above.Then, another discoid body 10 Hes subsequently before the installation of plate 21 (if being provided with), install to another collision bumper 6 on the banking pin P.Then, or even more preceding lining 11 be inserted in the wheel hub of discoid body 10.At last, in the support 17 that tension element T1, T2 is inserted into terminal part 4 before, lower end portion 4 is installed, and then is encased in the screwed hole 18 of terminal part 3.At last, can be placed into packing ring 27 on the terminal part 4.
Claims (12)
1. the electromagnetic brake of Yarn feeder, comprise center armature (A) and metal shell (H), center armature (A) is by at least one solenoid (C1, C2) from primary importance to the second place be axially adjustable, the described primary importance and the second place are against the braking point (7,8), metal shell (H) holds solenoid (C1, C2), armature (A) and braking point (7,8), described shell comprises outer wall and blocks a shot up and down, it is characterized in that, shell (H) comprises two terminal parts that separate (3 of tubular portion (2) that forms outer wall and the end that forms block and contact tubular portion (2), 4), and terminal part (3,4) by at least two tension element (T1, T2) interconnection, tension element is positioned at the outside of tubular portion (2).
2. electromagnetic brake according to claim 1, it is characterized in that, at each terminal part (3,4) outside is provided with crossbeam (Q), and crossbeam (Q) two ends outwards protrude from terminal part (3,4), be provided with the relative tension element (T1 of two diameters, T2), and tension element (T1 T2) engages in the end of crossbeam (Q).
3. electromagnetic brake according to claim 1 is characterized in that, terminal part (3,4) is blocked a shot for the integral body with circumference skirt section (15), and block is positioned on tube (2) end.
4. according to claim 2 and 3 described electromagnetic brakes, it is characterized in that crossbeam (Q) is incorporated in the block.
5. according to claim 2,3,4 described electromagnetic brakes, it is characterized in that, at least each protrudes in the terminal zone at crossbeam (Q), on skirt section (15), be provided with and reinforce edge (16,16 '), and between the protrusion end of reinforcing edge (16,16 ') and crossbeam (Q), tension element (T1, support T2) (17) are set.
6. electromagnetic brake according to claim 5 is characterized in that, at least one block has circumference and reinforces edge (16 '), and the other support (26) of Motionless electromagnetic brake (M) is set in circumference is reinforced edge (16 ').
7. electromagnetic brake according to claim 1 is characterized in that, between the end of tubular portion (2) and at least one terminal part (3,4) discoid body (9 is set, 10), and on discoid body (9,10), preferably at discoid body (9,10) on the wheel hub, braking point (7,8) is set.
8. electromagnetic brake according to claim 7, it is characterized in that, discoid body (9,10) in outer peripheral areas adjacent end portion (3,4), preferably through inserting plastic plate (21), and in plate-like portion (9,10) between inherent terminal part (3,4) in central area and the plate-like portion (9,10) end play is set.
9. electromagnetic brake according to claim 1, it is characterized in that, on shell (H), be provided with two solenoids (C1, C2), each solenoid is used for each adjustment direction of armature (A), armature (A) by Electromagnetic Drive, and is provided with two braking points (7 on discoid body (9,10) on two axial directions, 8), discoid body (9,10) is arranged between a tubular portion end and each terminal part (3,4).
10. electromagnetic brake according to claim 1 is characterized in that, a terminal part (3) is provided with dome (13), and dome (13) is contained in the spring (12) of an axial direction upper offset armature (A).
11. electromagnetic brake according to claim 1, it is characterized in that, a terminal part (4) has the passage of banking pin (P), and banking pin (P) is connected on the armature (A), and between discoid body (10) and terminal part (4) banking pin plain bearing lining (11) is set.
12. electromagnetic brake according to claim 1, it is characterized in that (C1 C2) is adhered to or is loaded in the tubular portion (2) at least one solenoid, with coil cover plate (24), be used to form the prefabricated subelement (E) of electromagnetic brake (M) in some cases.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0400860A SE0400860D0 (en) | 2004-04-01 | 2004-04-01 | Stopper magnet |
| SE04008603 | 2004-04-01 | ||
| SESE0400860-3 | 2004-04-01 | ||
| PCT/EP2005/002757 WO2005098113A1 (en) | 2004-04-01 | 2005-03-15 | Stopper magnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1934305A true CN1934305A (en) | 2007-03-21 |
| CN1934305B CN1934305B (en) | 2010-11-17 |
Family
ID=32173645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800093715A Active CN1934305B (en) | 2004-04-01 | 2005-03-15 | Stopper magnet |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1733084B1 (en) |
| CN (1) | CN1934305B (en) |
| SE (1) | SE0400860D0 (en) |
| TW (1) | TWI245087B (en) |
| WO (1) | WO2005098113A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201700051526A1 (en) * | 2017-05-12 | 2018-11-12 | Roj S R L | Electromagnetic weft stop device in weft feeder for textile machines and slider for this device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT8323187V0 (en) * | 1983-10-07 | 1983-10-07 | Roy Electrotex Spa | PERFECTED STRUCTURE OF ELECTROMAGNET TO STOP THE UNWINDING OF THE WEFT WIRE IN WEFT HOLDERS FOR WEAVING FRAMES. |
| DE8800216U1 (en) * | 1987-11-29 | 1989-03-30 | Aktiebolaget Iro, Ulricehamn | Device for storing, delivering and measuring a thread |
| IT1230561B (en) * | 1988-10-14 | 1991-10-28 | Roy Electrotex Spa | ELECTROMAGNETIC STOP UNIT OF THE WEFT WIRE IN MI-SURATORI PORGITRAMA FOR JET TEXTILE FRAMES |
| CN1033848C (en) * | 1990-07-11 | 1997-01-22 | Iro有限公司 | Apparatus for storing and supplying yarn |
| WO1992001102A1 (en) * | 1990-07-11 | 1992-01-23 | Iro Ab | Thread-processing system and process for varying the periphery of a unit carrying a thread supply |
| IT1303155B1 (en) * | 1998-07-17 | 2000-10-30 | Lgl Electronics Spa | IMPROVEMENT OF THE YARN STOP DEVICES, IN THE PRE-MEASURING ROTARY EQUIPMENT FOR AIR WEAVING FRAMES. |
| SE0101890D0 (en) * | 2001-05-29 | 2001-05-29 | Iro Patent Ag | Method for controlling the movement of a yarn stopper magnet at a measuring provider, and the yarn stopper magnet |
-
2004
- 2004-04-01 SE SE0400860A patent/SE0400860D0/en unknown
-
2005
- 2005-03-15 WO PCT/EP2005/002757 patent/WO2005098113A1/en active Application Filing
- 2005-03-15 EP EP05716086A patent/EP1733084B1/en active Active
- 2005-03-15 CN CN2005800093715A patent/CN1934305B/en active Active
- 2005-03-23 TW TW94109007A patent/TWI245087B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1733084A1 (en) | 2006-12-20 |
| EP1733084B1 (en) | 2009-07-15 |
| SE0400860D0 (en) | 2004-04-01 |
| CN1934305B (en) | 2010-11-17 |
| WO2005098113A1 (en) | 2005-10-20 |
| TWI245087B (en) | 2005-12-11 |
| TW200535290A (en) | 2005-11-01 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuxi ainor Technology Co. Ltd. Assignor: Aktiebolaget IRO, Vistaholm Contract record no.: 2011990000318 Denomination of invention: Internal expanding electromagnetic braker Granted publication date: 20101117 License type: Exclusive License Open date: 20070321 Record date: 20110426 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Sweden's Wuerlansi Patentee after: Van der Waals Sweden Address before: Sweden's Wuerlansi Patentee before: IRO Co.,Ltd. |