EP3430186A1 - Arbeitselement - Google Patents
ArbeitselementInfo
- Publication number
- EP3430186A1 EP3430186A1 EP17710057.5A EP17710057A EP3430186A1 EP 3430186 A1 EP3430186 A1 EP 3430186A1 EP 17710057 A EP17710057 A EP 17710057A EP 3430186 A1 EP3430186 A1 EP 3430186A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- working
- peltier
- flat bar
- working element
- peltier element
- 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
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/26—Arrangements or disposition of carding elements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/14—Constructional features of carding elements, e.g. for facilitating attachment of card clothing
- D01G15/24—Flats or like members
Definitions
- the present invention relates to a working element for a card or card, in particular a flat bar with a garnish.
- the lid area together with the drum forms the main carding zone and, as a function, has the dissolution of the flakes into individual fibers, removal of impurities and dust, elimination of very short fibers, the dissolution of nits and the parallelization of the fibers.
- the lid area together with the drum forms the main carding zone and, as a function, has the dissolution of the flakes into individual fibers, removal of impurities and dust, elimination of very short fibers, the dissolution of nits and the parallelization of the fibers.
- a working element consists of a flat bar and a clothing element.
- the flat bar has a back part and a foot part with a foot surface. On the foot surface extending in the longitudinal direction, the clothing element is attached.
- the flat bar is attached to its outer ends and 30 cantilevered over its entire length.
- Carding machines have a working width of 1, 0 or more meters, resulting in a self-supporting length of more than 1.0 meter for a flat bar.
- CH 702 908 A2 discloses a solution by inserting a tensioning element into the flat bar.
- the flat rod is now pretensioned so far, so changed in its geometry that after the expected deformation by the carding
- the carding heat can be achieved.
- the energy is generated by an external device, such as induction heating elements. Due to the external energy supply, the carding distance can be made smaller and can be increased by throttling the energy supply.
- a disadvantage of the proposed solution is the inertia of the system. Furthermore, an increasing energy in the direction of the edge regions of the components
- the proposed embodiments have the disadvantage that at high or high change in the stress on the trimmings in the carding process, a change in the heat accumulation and thus the deformation of the work elements may result, what the proposed versions can not react or delayed.
- the invention of the present application has for its object to provide a working element which avoids the disadvantages mentioned and can be created by a targeted control of the geometry of the working element an ideal carding even under changing operating conditions.
- a Peltier element is an electrothermal transducer that generates a temperature difference based on the Peltier effect when current flows through, or a current flow (Seebeck effect) when there is a temperature difference.
- Peltier elements can be used both for cooling and - in the case of reverse current direction - for heating.
- a Peltier element consists of two or more small cuboids, each made of p- and n-doped semiconductor material, which are alternately connected at the top and bottom by metal bridges.
- the metal bridges also form the thermal contact surfaces and are insulated by an overlaying foil or a ceramic plate. Always two different cuboids are connected to each other in such a way that they
- the supplied electric current flows through all blocks in succession. Depending on current and direction, the upper junctions cool while the lower ones heat up. The current thus pumps heat from one side of the peiting element to the other and creates a temperature difference between the plates.
- a reaction time of approximately 0.02 mm / sec can be achieved with a possible travel distance of 0.3 to 0.5 mm .
- the clothing in the center of the flat bar rises or falls by 0.3 to 0.5 mm relative to the stationary contact points of the flat bar due to its deflection.
- an accuracy of 0.005 mm can be achieved. This results in the possibility of even slight temperature fluctuations in the operation of the card (due to load changes, product change or climatic influences) to respond.
- the flat bar is provided with a back part opposite the clothing element and a foot part carrying the clothing element.
- the at least one Peltier element is attached to the back part of the flat bar or to the foot part.
- the flat bar is designed as a hollow profile, which comprises the back part and the foot part.
- the at least one Peltier element advantageously arranged in the interior of the hollow profile.
- At least two Peltier elements are provided, wherein compared to the clothing element a first Peltier element has the smallest possible distance and a second Peltier element has the largest possible distance. Now, the two Peltier elements are switched so that the first Peltier element OBJ-3394P
- each Peltier element is connected to a power supply attached to the working element. This can be made possible, for example, with the aid of a battery or another power source which has to be charged periodically. As a result, a continuous adaptation of the geometry 10 to the prevailing operating conditions can be ensured even with a movable working element such as a revolving lid.
- each Peltier element or all Peltier elements of the same working element is connected at least temporarily to an energy supply arranged outside the respective working element.
- the flat bar is provided with heat distribution elements in a region of the Peltier element.
- These heat distribution elements can be used, for example, in
- the heat energy pumped by the Peltier element can be more quickly dissipated or redistributed.
- two or more spaced-apart Peltier elements can be connected to each other, for example, by a ribbing. This makes it possible, for example, for the heat which is extracted by the Peltier elements from the flat rod to be removed via this
- the effect of the Peltier elements can be enhanced by the fact that the flat bar has insulation at least in the region of a Peltier element.
- a method for supplying or removing heat energy is provided in a working element of a card.
- a method for supplying or removing heat energy is provided in a working element of a card.
- at least one Peltier element by means of at least one Peltier element
- a control which determines the size of the amount of heat to be shifted and calculates therefrom a power requirement and a running time for the Peltier element. For the calculation of the electricity demand and the duration, and thus the
- a moving work element such as a revolving lid, which changes its position in the process during operation, comes to adjust the geometry with respect to the working width in addition to the possibility of adjusting the
- the traveling lid runs in at one end of the traveling lid arrangement, is guided along the drum surface with the aid of the flexible arch, and runs out again at the other end of the traveling lid arrangement.
- operating conditions change (for example,
- the Peltier element is driven from outside the working element for the displacement of heat.
- a radio control for a continuous control or a contact control in the case of a discontinuous correction of the geometry of the working element can be provided here.
- Figure 1 Schematic representation of a side view of a revolving flat card according to the prior art
- FIG. 2 Schematic representation of a working element in the form of a traveling lid according to the prior art
- FIG. 1 schematically shows a known revolving flat card 1.
- Fiber flakes 3 are fed from a filling shaft 2 of a fiber feeding device 4 to a subsequent drum 6 via a pre-rapier.
- the revolving flat card 1 comprises a single drum 6 (master cylinder or so-called drum), which is rotatably supported in a frame.
- the drum 6 operates in a known manner with a
- 30 tem 9 can be provided in the carding zones 12, 13, 14 stationary working elements of various designs such as carding, separation elements or fiber guiding elements. The various work items are not shown here.
- a plurality of working elements in the form of revolving lids 15 are provided on the said revolving cover arrangement 7, wherein only individual revolving lids 15 are shown schematically in FIG.
- Today conventional turret assemblies 5 7 include closely spaced a plurality of decklids 15 that revolve.
- the moving lid 15 are supported near their respective end faces of endless belts and moved against or with the direction of rotation of the drum 6 and guided on flexible sheet 8.
- FIG. 2 shows a schematic representation of a working element in the form of a traveling lid 15 according to the prior art.
- the revolving lid 15 comprises a flat bar 20 with a clothing element 23 fastened thereto.
- the flat bar 20 itself has a back part 21 and a foot part 22. At the foot part 22 of the flat bar 20 as garnish element 23 is attached.
- the back part 21 of the flat bar 20 is attached to the foot part 22 on the side opposite the clothing element 23.
- the flat bar 20 is designed as a hollow profile and thus the back part 21 is integrally connected to the foot part 22.
- the clothing element 23 is located on the back part 21 opposite
- the drum 6 is arranged opposite the working element.
- the drum 6 is provided with a drum set 25 in the form of a sawtooth wire.
- FIGs 3 and 4 show a schematic representation of a first embodiment of the invention using the example of a traveling lid.
- the revolving lid 15 is shown in cooperation with the drum 6.
- the revolving lid consisting of the flat bar with a back part 21, a foot part 22 and a fastening element 23 attached to the foot part 22 extends over the entire working width B of the drum 6.
- the drum 6 with the drum axis 26 is only partially shown.
- the revolving lid 15 is mounted on the flexible sheet 8 outside the working width B on both sides. Between the needles 27 of the clothing element 23 and the drum set 25 of the carding A is formed.
- On the outer contour of the back part 21 is a Peltier
- FIG. 4 shows a perspective view of the flat bar 20 with a foot part 20 22 and a back part 21.
- the back portion 21 is exemplified as a simple attached to the foot part 22 rib.
- a Peltier element 30 is attached to the back part 21.
- Figures 5 and 6 show a schematic representation of a further embodiment according to the invention using the example of a revolving lid 15.
- the revolving lid 15 in conjunction with the drum 6 is shown.
- the revolving lid 30 consisting of the flat bar with a back part 21, a foot part 22 and a clothing element 23 fastened to the foot part 22 extends over the entire working width B of the drum 6.
- the drum 6 with the drum axis 26 is only partially shown.
- OBJ-3394P the OBJ-3394P
- Travel lid 15 is mounted on the flexible sheet 8 outside the working width B on both sides. Between the needles 27 of the clothing element 23 and the drum set 25 of the carding A is formed. Within the back portion 21, a Peltier element 30 is inserted. For better heat radiation, the Peltier element 30 is connected to 5 heat distribution elements 31.
- FIG. 6 shows a perspective illustration of the flat bar 20 with a foot part 22 and a back part 21.
- the flat bar 20 is designed as a hollow profile, wherein the hollow profile comprises the back part 21 and the foot part 22.
- a first Peltier element 30 is attached to the back part 21 in the interior thereof.
- this Peltier element 30 is connected to heat distribution elements 31, which protrude into the interior of the hollow profile.
- a second Peltier element 30 is provided in its interior.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH00373/16A CH712271A1 (de) | 2016-03-17 | 2016-03-17 | Arbeitselement. |
| PCT/IB2017/051065 WO2017158457A1 (de) | 2016-03-17 | 2017-02-24 | Arbeitselement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3430186A1 true EP3430186A1 (de) | 2019-01-23 |
| EP3430186B1 EP3430186B1 (de) | 2019-12-04 |
Family
ID=58266011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17710057.5A Active EP3430186B1 (de) | 2016-03-17 | 2017-02-24 | Arbeitselement |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3430186B1 (de) |
| CN (1) | CN108884601B (de) |
| CH (1) | CH712271A1 (de) |
| WO (1) | WO2017158457A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820088B (zh) * | 2019-10-30 | 2024-10-29 | 武汉纺织大学 | 针对不同纤维柔性梳理的盖板针布、梳理机及梳理方法 |
| CN113802220B (zh) * | 2021-09-22 | 2026-01-02 | 卓郎(常州)纺织机械有限公司 | 一种具有抗热变形功能的铝合金活动盖板 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1302162B1 (it) * | 1997-09-08 | 2000-07-31 | Truetzschler & Co | Dispositivo su una macchina per la preparazione alla filatura, inparticolare carda, stiratoio o simili, con un organo di guida delle |
| DE19907288A1 (de) * | 1999-02-22 | 2000-08-24 | Rieter Ag Maschf | Karde |
| DE10037710A1 (de) * | 2000-08-02 | 2002-02-14 | Rieter Ag Maschf | Vorrichtung zum Einstellen des Arbeitsspaltes zwischen den Spitzen von Deckelgarnituren und den Spitzen der Trommelgarnitur einer Karde |
| DE10046916A1 (de) * | 2000-09-21 | 2002-04-11 | Rieter Ag Maschf | Verfahren und Vorrichtung zum Einstellen des Arbeitsspaltes zwischen den Spitzen von Deckelgarnituren und den Spitzen der Trommelgarnitur einer Karde |
| US7055222B2 (en) * | 2001-02-24 | 2006-06-06 | Maschinenfabrik Rieter Ag | Clip for clothing strips |
| DE102006014419B4 (de) | 2006-03-27 | 2021-04-15 | Trützschler GmbH & Co Kommanditgesellschaft | Vorrichtung an einer Spinnereivorbereitungsmaschine, insbesondere Karde, Krempel o. dgl., zur Einstellung des Kardierabstandes |
| CH700550A2 (de) * | 2009-03-10 | 2010-09-15 | Rieter Ag Maschf | Wanderdeckelkarde. |
| CH700551A2 (de) * | 2009-03-10 | 2010-09-15 | Rieter Ag Maschf | Karde. |
| DE102009031978A1 (de) * | 2009-07-06 | 2011-01-13 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Karde oder Krempel zur Einstellung des Arbeitsabstandes zwischen der Trommel und mindestens einer benachbarten Walze |
| DE102009031979A1 (de) * | 2009-07-06 | 2011-01-13 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Karde oder Krempel mit einer Trommel, Arbeitselementen und verstellbaren Halteelementen |
| DE102011009938B4 (de) | 2010-03-26 | 2024-09-26 | Trützschler Group SE | Vorrichtung an einer Karde oder Krempel, bei der mindestens ein Arbeits- und/oder Funktionselement vorhanden ist |
| DE102010018840A1 (de) * | 2010-04-29 | 2011-11-03 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Karde oder Krempel mit einer garnierten Trommel und mindestens einer benachbarten Walze |
| DE102010055290A1 (de) * | 2010-12-21 | 2012-06-21 | Trützschler GmbH & Co Kommanditgesellschaft | Vorrichtung an einer Karde oder Krempel, bei der mindestens ein Arbeits- und/oder Abdeckelement vorhanden ist |
-
2016
- 2016-03-17 CH CH00373/16A patent/CH712271A1/de not_active Application Discontinuation
-
2017
- 2017-02-24 CN CN201780017569.0A patent/CN108884601B/zh active Active
- 2017-02-24 EP EP17710057.5A patent/EP3430186B1/de active Active
- 2017-02-24 WO PCT/IB2017/051065 patent/WO2017158457A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN108884601A (zh) | 2018-11-23 |
| WO2017158457A1 (de) | 2017-09-21 |
| CH712271A1 (de) | 2017-09-29 |
| EP3430186B1 (de) | 2019-12-04 |
| CN108884601B (zh) | 2021-06-29 |
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