EP3741893A1 - Ball bolt assembly - Google Patents
Ball bolt assembly Download PDFInfo
- Publication number
- EP3741893A1 EP3741893A1 EP20153730.5A EP20153730A EP3741893A1 EP 3741893 A1 EP3741893 A1 EP 3741893A1 EP 20153730 A EP20153730 A EP 20153730A EP 3741893 A1 EP3741893 A1 EP 3741893A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ball pin
- fluid
- channels
- section
- ball
- 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
- 238000009940 knitting Methods 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims abstract description 3
- 239000012530 fluid Substances 0.000 claims description 53
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 238000005245 sintering Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/24—Thread guide bar assemblies
- D04B27/26—Shogging devices therefor
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B23/00—Flat warp knitting machines
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/30—Devices for controlling temperature of machine parts
Definitions
- the present invention relates to a ball stud, in particular in a pattern arrangement of a warp knitting machine, with a first end which has at least part of a spherical shape, a second end and a section between the first end and the second end, at least part of the ball stud having a cavity having which is fluidically connected by at least one channel to an outer peripheral surface.
- One area of application of the present invention is in the area of a warp knitting machine between a guide bar and a pattern arrangement.
- previous ball pins have oil temperature control systems in which oil flows over the ball pin.
- These systems are maintenance-intensive because the oil picks up dust or other contaminants and conveys them through pipes.
- oil temperature control systems are very susceptible to contamination due to the high proportion of dust. These usually get stuck in places that are particularly difficult to access and block the lines after a certain time. The contamination must be removed as part of maintenance. This is not only time-consuming, but also involves a great deal of cleaning effort.
- the object on which the invention is based is to reduce the adjustment effort of the warp knitting machine and the maintenance effort of a ball pin.
- the element enlarges a surface area of the ball stud. A large surface can give off more heat than a small one Surface. This allows a uniform temperature of the ball pin to be achieved. The uniform temperature enables a relatively precise adherence to tolerances. Exact adherence to tolerances prevents destruction or wear of the bolt, which increases the process reliability of the operation.
- the channel is preferably arranged in the radial direction.
- a production of the radially arranged channel is associated with little effort.
- ball pins are usually designed as rotationally symmetrical components, so that the cavity is usually designed as a bore, an axis of the bore coinciding with an axis of the ball pin.
- the radially arranged channel thus guarantees the connection between the cavity and the outer peripheral surface.
- two channels are each arranged diametrically. This arrangement enables two channels, a channel pair, to be produced with one bore, which makes the production of the ball pin economical.
- the axes of the channels are preferably parallel to one another. This enables the ball stud and the channels to be manufactured with just a few reclamping operations. Reclamping of the ball pin takes time and thus causes costs. These costs can be saved by using parallel channels.
- the section preferably has one or more fluid guide elements between the outer peripheral surface and the element.
- the fluid guide element allows a fluid flowing through the cavity and the channel to hit the element in a targeted manner. This prevents the fluid from stagnating and ensures that heat is dissipated from the ball pin.
- the fluid guide element creates a spacing between the channel and the element, which in turn is beneficial for a distribution of the fluid. The distribution allows greater heat dissipation, which keeps the temperature even.
- the fluid guide elements are preferably designed to be annular. Annular fluid guide elements can be produced by means of lathes, which results in essentially low costs. Furthermore, the element is divided into sections by annular fluid guide elements, which can be further adapted if necessary.
- a fluid guide element is preferably arranged between adjacent channels.
- the fluid guide element does not conflict with channels and therefore does not interfere with the function of the channels. Furthermore, a heat transfer between the ball pin and the element is thereby established.
- the fluid guide elements allocate a section to each channel or channel pair, which section can be adapted as required.
- the element preferably has a fluid-permeable structure.
- fluid can flow from the cavity through the channel and the element. While the fluid is in contact with surfaces of the ball stud and the element, it absorbs heat and transports it to the outside.
- the fluid-permeable structure increases the surface with which the fluid is in contact and thus the surface via which the fluid can absorb heat. The heat dissipation from the ball pin is thus improved.
- the element is at least partially porous.
- Porous elements have a large surface area in relation to their volume. A large surface-to-volume ratio results in a large surface which is used to transfer heat to the fluid without the element having to be too bulky for a given installation space. The fluid can accordingly absorb more heat and take it with it.
- the element is preferably designed as a sintered element.
- the element can be produced precisely using a sintering process. Furthermore, the sintering process can produce a specific porosity so that the element can have different porosities. The porosities can be adapted according to a fluid flow in order to ensure optimal heat dissipation.
- the element is preferably connected to the section in a form-fitting manner.
- a form fit guarantees heat transfer from the ball pin into the element.
- no further fastening means are required for assembly or disassembly. This lowers the maintenance costs while at the same time improving the heat exchange between the element and the ball pin.
- Thermal paste can be used to improve heat transfer.
- the ball stud preferably has a flow path through the cavity, the channels and the element.
- the hollow space along the channels and through the element flow through the ball pin, thereby conveying the fluid from the inside to the outside through the ball pin. This causes a pressure gradient to develop from the cavity to the outside. This prevents dirt, dust, impurities or the like from getting into the ball pin. This makes maintenance easy.
- a filter arrangement is preferably arranged in the flow path.
- the filter arrangement prevents dirt, dust, impurities or the like from entering the ball stud and clogging the element.
- the filter can be attached at an easily accessible point in a fluid feed to the ball pin, or directly in the cavity of the ball pin. During normal scheduled maintenance, the filter can be checked for possible contamination and any necessary steps to be taken. This prevents clogging of the element and the ball pin is kept in an optimal temperature window.
- the ball pin preferably has a fluid connection which is connected to a fluid source.
- the ball pin is in fluidic connection with a fluid source through the fluid connection. This makes it possible for the fluid to flow through the ball pin forcibly. An even temperature of the ball pin is guaranteed by a forced flow.
- the fluid conveyed by the fluid source is preferably air.
- the ball pin can be flowed through by a low-pressure generator, such as a machine fan.
- the ball pin can be connected to a compressed air connection. No further peripherals are necessary. Thus the acquisition costs remain low.
- Fig. 1 shows a ball pin 1 with a first end 2, a second end 3 and a section 4 between the first end 2 and the second end 3.
- the section 4 has channels 5 and fluid guide elements 6. Fluid elements 6 are arranged on an outer circumferential surface 7. An element 8 is also shown.
- the first end 2 is connected to a matching counterpart, not shown.
- the second end 3 has fastening options, for example, a thread or the like to mount the ball pin 1.
- Fig. 2 shows the ball pin 1 on which the element 8 is mounted.
- Fig. 3 shows a cross section of the ball pin 1.
- the ball pin 1 has a cavity 9 which the channels 5 connect to the outer circumferential surface 7.
- the channels 5 are arranged radially, starting from the cavity 9.
- two channels 5 are each arranged diametrically.
- a plurality of diametrically arranged channels 5 are parallel to one another.
- Fluid guide elements 6 are arranged on the outer circumferential surface 7.
- the fluid guide elements 6 are arranged between two channels 5 and on an edge of the section 4.
- the element 8 is in turn arranged on the fluid guide elements 6.
- the fluid guide elements 6 are annular, as is the element 7.
- the section 4, fluid guide elements 6 and the element 7 are geometrically related. This geometric relationship enables a form fit to be established between the fluid guide elements 6 and the element 8.
- a filter 10 is arranged at the second end 3.
- the arrows shown represent the flow path of a fluid.
- the element 8 can be produced by a sintering process.
- the sintering process can realize a fluid-permeable structure of the element 8.
- the sintering process also enables the production of porous elements.
- the element 8 can have localized fluid-permeable structures or porous structures. The sintering process can realize such structures.
- a fluid (not shown) is conveyed through the cavity 9 in the direction of the arrow.
- fluid enters the cavity 9 at the second end 3 of the ball pin 1.
- the fluid flows from the cavity 9 through the channels 5 in the direction of the outer circumferential surface 7 in order to finally flow through the element 8 there, guided by the fluid guide elements 6.
- the fluid While the fluid is in contact with the ball pin 1 or the element 8, the fluid absorbs heat from the ball pin 1 and transports it to the outside.
- the element 8 enlarges a surface used for heat dissipation many times over, which benefits a heat transfer from the ball pin 1 to the fluid.
- the temperature of the ball pin 1 can be regulated depending on the amount of fluid flowing through.
- a valve can be connected upstream for regulation.
- the filter 10 filters contaminants from the fluid. This means that the contaminants cannot clog the element 8, which extends the maintenance intervals.
- the ball pin 1 When the ball pin 1 is used in factory buildings, air can flow through the ball pin 1 through an existing machine fan. Alternatively, the ball pin 1 can be connected to an existing compressed air system. This means that no further peripherals are necessary, apart from a connection from the ball pin 1 to the existing compressed air system. The ball pin 1 can replace a previously used ball pin and is ready for use in a few simple steps.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Es wird ein Kugelbolzen, insbesondre in einer Musteranordnung einer Kettenwirkmaschine, mit einem ersten Ende (2), das zumindest einen Teil einer Kugelform aufweist, einem zweiten Ende (3) und einem Abschnitt (4) zwischen dem ersten Ende (2) und dem zweiten Ende (2) beschrieben, wobei mindestens ein Teil des Kugelbolzens einen Hohlraum (9) aufweist, der durch mindestens einen Kanal (5) mit einer äußeren Oberfläche (7) fluidisch verbunden ist.Man möchte den Einstellaufwand der Kettenwirkmaschine und den Wartungsaufwand des Kugelbolzens (1) reduzieren.Dazu umgibt ein Element (8), das aus wärmeleitfähigem Material besteht, den Abschnitt (4).It is a ball pin, especially in a pattern arrangement of a warp knitting machine, with a first end (2) which has at least part of a spherical shape, a second end (3) and a section (4) between the first end (2) and the second End (2) described, wherein at least a part of the ball pin has a cavity (9) which is fluidically connected to an outer surface (7) by at least one channel (5). One would like the adjustment effort of the warp knitting machine and the maintenance effort of the ball pin ( 1). An element (8) made of thermally conductive material surrounds section (4).
Description
Die vorliegende Erfindung betrifft einen Kugelbolzen, insbesondre in einer Musteranordnung einer Kettenwirkmaschine, mit einem ersten Ende, das zumindest einen Teil einer Kugelform aufweist, einem zweiten Ende und einem Abschnitt zwischen dem ersten Ende und dem zweiten Ende, wobei mindesten ein Teil des Kugelbolzens einen Hohlraum aufweist, der durch mindestens einen Kanal mit einer äußeren Umfangsfläche fluidisch verbunden ist.The present invention relates to a ball stud, in particular in a pattern arrangement of a warp knitting machine, with a first end which has at least part of a spherical shape, a second end and a section between the first end and the second end, at least part of the ball stud having a cavity having which is fluidically connected by at least one channel to an outer peripheral surface.
Ein Einsatzbereich der vorliegenden Erfindung ist im Bereich einer Kettenwirkmaschine zwischen einer Legebarre und einer Musteranordnung. Hier weisen bisherige Kugelbolzen Öl-Temperiersysteme auf, bei denen Öl über den Kugelbolzen fließt. Diese Systeme sind wartungsintensiv, weil das Öl Staub oder sonstige Verunreinigungen aufnimmt und diese durch Leitungen weiterfördert. Besonders in einer staubintensiven Umgebung, wie einer Textilverarbeitung, sind Öl-Temperiersysteme durch den hohen Staubanteil sehr anfällig für Verunreinigungen. Diese bleiben meist an besonders schwer zugänglichen Stellen hängen und verstopfen nach einer gewissen Zeit die Leitungen. Die Verunreinigungen müssen im Rahmen einer Wartung entfernt werden. Dies ist nicht nur zeitintensiv, sondern auch mit einem großen Reinigungsaufwand verbunden.One area of application of the present invention is in the area of a warp knitting machine between a guide bar and a pattern arrangement. Here previous ball pins have oil temperature control systems in which oil flows over the ball pin. These systems are maintenance-intensive because the oil picks up dust or other contaminants and conveys them through pipes. Particularly in a dust-intensive environment, such as textile processing, oil temperature control systems are very susceptible to contamination due to the high proportion of dust. These usually get stuck in places that are particularly difficult to access and block the lines after a certain time. The contamination must be removed as part of maintenance. This is not only time-consuming, but also involves a great deal of cleaning effort.
Die der Erfindung zugrundeliegende Aufgabe ist, den Einstellaufwand der Kettenwirkmaschine und den Wartungsaufwand eines Kugelbolzens zu reduziert.The object on which the invention is based is to reduce the adjustment effort of the warp knitting machine and the maintenance effort of a ball pin.
Diese Aufgabe wird dadurch gelöst, dass ein Element, das aus wärmeleitfähigem Material besteht, den Abschnitt umgibt.This object is achieved in that an element which consists of thermally conductive material surrounds the section.
Durch das Element wird eine Oberfläche des Kugelbolzens vergrößert. Eine große Oberfläche kann mehr Wärme an die Umgebung abgeben als eine kleine Oberfläche. Dadurch kann man eine gleichmäßige Temperatur des Kugelbolzens erreichen. Die gleichmäßige Temperatur ermöglicht eine relativ genaue Einhaltung von Toleranzen. Durch die genaue Einhaltung von Toleranzen wird eine Zerstörung oder ein Verschleiß des Bolzens vermieden, wodurch die Prozesssicherheit des Wirkens erhöht wird.The element enlarges a surface area of the ball stud. A large surface can give off more heat than a small one Surface. This allows a uniform temperature of the ball pin to be achieved. The uniform temperature enables a relatively precise adherence to tolerances. Exact adherence to tolerances prevents destruction or wear of the bolt, which increases the process reliability of the operation.
Vorzugsweise ist der Kanal in radialer Richtung angeordnet. Eine Fertigung des radial angeordneten Kanals ist mit geringem Aufwand verbunden. Weiterhin werden Kugelbolzen meist als rotationssymmetrische Bauteile ausgeführt, sodass der Hohlraum meist als eine Bohrung ausgeführt ist, wobei eine Achse der Bohrung mit einer Achse des Kugelbolzens übereinstimmt. Der radial angeordnete Kanal garantiert somit die Verbindung zwischen dem Hohlraum und der äußeren Umfangsfläche.The channel is preferably arranged in the radial direction. A production of the radially arranged channel is associated with little effort. Furthermore, ball pins are usually designed as rotationally symmetrical components, so that the cavity is usually designed as a bore, an axis of the bore coinciding with an axis of the ball pin. The radially arranged channel thus guarantees the connection between the cavity and the outer peripheral surface.
Vorzugsweise sind jeweils zwei Kanäle diametral angeordnet. Diese Anordnung ermöglicht, dass mit einer Bohrung zwei Kanäle, ein Kanalpaar, gefertigt werden kann, was die Fertigung des Kugelbolzens wirtschaftlich macht.Preferably, two channels are each arranged diametrically. This arrangement enables two channels, a channel pair, to be produced with one bore, which makes the production of the ball pin economical.
Vorzugsweise sind Achsen der Kanäle parallel zueinander. Dies ermöglicht die Fertigung des Kugelbolzens und der Kanäle mit wenigen Umspannungsvorgängen. Eine Umspannung des Kugelbolzens benötigt Zeit und verursacht dadurch Kosten. Diese Kosten können durch parallele Kanäle eingespart werden.The axes of the channels are preferably parallel to one another. This enables the ball stud and the channels to be manufactured with just a few reclamping operations. Reclamping of the ball pin takes time and thus causes costs. These costs can be saved by using parallel channels.
Vorzugsweise weist der Abschnitt ein oder mehr Fluidleitelemente zwischen der äußeren Umfangsfläche und dem Element auf. Das Fluidleitelement lässt ein durch den Hohlraum und den Kanal fließendes Fluid gezielt auf das Element treffen. Dadurch wird ein Stau des Fluides verhindert und eine Wärmeabfuhr aus dem Kugelbolzen gewährleistet. Weiterhin entsteht durch das Fluidleitelement ein Abstand zwischen dem Kanal und dem Element, welcher wiederum förderliche für eine Verteilung des Fluides ist. Die Verteilung ermöglicht eine größere Wärmeabfuhr, was die Temperatur gleichmäßig hält.The section preferably has one or more fluid guide elements between the outer peripheral surface and the element. The fluid guide element allows a fluid flowing through the cavity and the channel to hit the element in a targeted manner. This prevents the fluid from stagnating and ensures that heat is dissipated from the ball pin. Furthermore, the fluid guide element creates a spacing between the channel and the element, which in turn is beneficial for a distribution of the fluid. The distribution allows greater heat dissipation, which keeps the temperature even.
Vorzugsweise sind die Fluidleitelemente ringförmig ausgebildet. Ringförmige Fluidleitelemente können mittels Drehmaschinen hergestellt werden, was im Wesentlichen geringe Kosten zur Folge hat. Weiterhin wird das Element durch ringförmige Fluidleitelemente in Sektionen unterteilt, die gegebenenfalls weiter angepasst werden können.The fluid guide elements are preferably designed to be annular. Annular fluid guide elements can be produced by means of lathes, which results in essentially low costs. Furthermore, the element is divided into sections by annular fluid guide elements, which can be further adapted if necessary.
Vorzugsweise ist ein Fluidleitelement zwischen benachbarten Kanälen angeordnet. Dadurch ist das Fluidleitelement nicht im Konflikt mit Kanälen und stört die Funktion der Kanäle somit nicht. Weiterhin wird dadurch eine Wärmeübertragung zwischen dem Kugelbolzen und dem Element hergestellt. Die Fluidleitelemente teilen jedem Kanal oder jedem Kanalpaar eine Sektion zu, die den Bedürfnissen entsprechend angepasst werden kann.A fluid guide element is preferably arranged between adjacent channels. As a result, the fluid guide element does not conflict with channels and therefore does not interfere with the function of the channels. Furthermore, a heat transfer between the ball pin and the element is thereby established. The fluid guide elements allocate a section to each channel or channel pair, which section can be adapted as required.
Vorzugsweise weist das Element eine fluiddurchlässige Struktur auf. Somit kann Fluid ausgehend von dem Hohlraum durch den Kanal und das Element strömen. Während sich das Fluid mit Oberflächen des Kugelbolzens und dem Element in Kontakt befindet, nimmt es Wärme auf und fördert diese nach außen. Die fluiddurchlässige Struktur vergrößert die Oberfläche, mit der das Fluid in Kontakt steht und somit die Oberfläche über die das Fluid Wärme aufnehmen kann. Somit wird die Wärmeabfuhr aus dem Kugelbolzen verbessert.The element preferably has a fluid-permeable structure. Thus, fluid can flow from the cavity through the channel and the element. While the fluid is in contact with surfaces of the ball stud and the element, it absorbs heat and transports it to the outside. The fluid-permeable structure increases the surface with which the fluid is in contact and thus the surface via which the fluid can absorb heat. The heat dissipation from the ball pin is thus improved.
Vorzugsweise ist das Element zumindest teilweise porös. Poröse Elemente weisen eine große Oberfläche im Verhältnis zu ihrem Volumen auf. Ein großes Oberflächen - zu Volumenverhältnis ergibt eine große Oberfläche, die zur Wärmeübertragung an das Fluid dient, ohne dass das Element bei einem vorgegebenen Bauraum zu voluminös ausgebildet sein muss. Das Fluid kann dementsprechend mehr Wärme aufnehmen und diese mit sich nehmen.Preferably the element is at least partially porous. Porous elements have a large surface area in relation to their volume. A large surface-to-volume ratio results in a large surface which is used to transfer heat to the fluid without the element having to be too bulky for a given installation space. The fluid can accordingly absorb more heat and take it with it.
Vorzugsweise ist das Element als Sinterelement ausgebildet. Durch ein Sinterverfahren kann das Element passgenau produziert werden. Weiterhin kann das Sinterverfahren eine Porosität gezielt herstellen, sodass das Element verschiedene Porositäten aufweisen kann. Die Porositäten können entsprechend eines Fluidverlaufs angepasst werden, um eine optimale Wärmeabfuhr zu gewährleisten.The element is preferably designed as a sintered element. The element can be produced precisely using a sintering process. Furthermore, the sintering process can produce a specific porosity so that the element can have different porosities. The porosities can be adapted according to a fluid flow in order to ensure optimal heat dissipation.
Vorzugsweise ist das Element formschlüssig mit dem Abschnitt verbunden. Durch einen Formschluss wird eine Wärmeübertragung aus dem Kugelbolzen in das Element garantiert. Weiterhin werden keine weiteren Befestigungsmittel zu einer Montage oder Demontage benötigt. Dies senkt die Wartungskosten bei gleichzeitiger Verbesserung eines Wärmeaustausches zwischen Element und Kugelbolzen. Zur Verbesserung der Wärmeübertragung kann man eine Wärmeleitpaste verwenden.The element is preferably connected to the section in a form-fitting manner. A form fit guarantees heat transfer from the ball pin into the element. Furthermore, no further fastening means are required for assembly or disassembly. This lowers the maintenance costs while at the same time improving the heat exchange between the element and the ball pin. Thermal paste can be used to improve heat transfer.
Vorzugsweise weist der Kugelbolzen einen Strömungsweg durch den Hohlraum, die Kanäle und das Element auf. Der Kugelbolzen wird von dem Hohlraum entlang der Kanäle und durch das Element durchströmt, dadurch wird das Fluid von innen nach außen durch den Kugelbolzen befördert. Dies bewirkt, dass ein Druckgefälle von dem Hohlraum nach außen entsteht. Dadurch wird verhindert, dass Schmutz, Staub, Verunreinigungen oder dergleichen in den Kugelbolzen gelangen. Dadurch wird die Wartung einfach.The ball stud preferably has a flow path through the cavity, the channels and the element. The hollow space along the channels and through the element flow through the ball pin, thereby conveying the fluid from the inside to the outside through the ball pin. This causes a pressure gradient to develop from the cavity to the outside. This prevents dirt, dust, impurities or the like from getting into the ball pin. This makes maintenance easy.
Vorzugsweise ist in dem Strömungsweg eine Filteranordnung angeordnet. Die Filteranordnung verhindert, dass Schmutz, Staub, Verunreinigungen oder dergleichen in den Kugelbolzen eindringen und das Element verstopfen. Der Filter kann an einer gut zugänglichen Stelle in einer Fluidzuführung zu dem Kugelbolzen, oder direkt in dem Hohlraum des Kugelbolzens angebracht werden. Bei einer normalen geplanten Wartung kann der Filter auf mögliche Verschmutzung untersucht werden und gegebenenfalls notwendige Schritte vorgenommen werden. Dadurch wird eine Verstopfung des Elementes verhindert und der Kugelbolzen wird in einem optimalen Temperaturfenster gehalten.A filter arrangement is preferably arranged in the flow path. The filter arrangement prevents dirt, dust, impurities or the like from entering the ball stud and clogging the element. The filter can be attached at an easily accessible point in a fluid feed to the ball pin, or directly in the cavity of the ball pin. During normal scheduled maintenance, the filter can be checked for possible contamination and any necessary steps to be taken. This prevents clogging of the element and the ball pin is kept in an optimal temperature window.
Vorzugsweise weist der Kugelbolzen einen Fluidanschluss auf, der mit einer Fluidquelle verbunden ist. Durch den Fluidanschluss steht der Kugelbolzen mit einer Fluidquelle in fluidischer Verbindung. Dadurch ist es möglich, dass der Kugelbolzen zwangsweise mit dem Fluid durchströmt wird. Durch eine Zwangsdurchströmung wird eine gleichmäßige Temperatur des Kugelbolzens gewährleistet.The ball pin preferably has a fluid connection which is connected to a fluid source. The ball pin is in fluidic connection with a fluid source through the fluid connection. This makes it possible for the fluid to flow through the ball pin forcibly. An even temperature of the ball pin is guaranteed by a forced flow.
Vorzugsweise ist das durch die Fluidquelle geförderte Fluid Luft. Somit kann der Kugelbolzen durch einen Nieder-Druck-Erzeuger, wie beispielsweise einen Maschinenlüfter durchströmt werden. Alternativ dazu kann der Kugelbolzen an einen Druckluftanschluss angeschlossen werden. Es ist keine weitere Peripherie notwendig. Somit bleiben die Anschaffungskosten gering.The fluid conveyed by the fluid source is preferably air. Thus, the ball pin can be flowed through by a low-pressure generator, such as a machine fan. Alternatively, the ball pin can be connected to a compressed air connection. No further peripherals are necessary. Thus the acquisition costs remain low.
Die Erfindung wird im Folgenden anhand eines bevorzugten Ausführungsbeispiels in Verbindung mit der Zeichnung beschrieben. Hierin zeigen:
- Fig. 1
- einen Kugelbolzen und ein Element;
- Fig. 2
- eine Zusammenstellungszeichnung von einem Kugelbolzen und einem Element;
- Fig. 3
- einen Querschnitt eines Kugelbolzens und eines Elementes.
- Fig. 1
- a ball pin and a member;
- Fig. 2
- an assembly drawing of a ball stud and element;
- Fig. 3
- a cross section of a ball pin and an element.
Das Element 8 kann durch einen Sinterprozess hergestellt werden. Der Sinterprozess kann eine fluiddurchlässige Struktur des Elementes 8 realisieren. Weiterhin ist durch den Sinterprozess auch eine Produktion von porösen Elementen möglich. Das Element 8 kann örtlich begrenzte fluiddurchlässige Strukturen oder poröse Strukturen aufweisen. Der Sinterprozess kann solche Strukturen realisieren.The
Durch den Hohlraum 9 wird ein nicht dargestelltes Fluid entlang der Pfeilrichtung befördert. In der vorliegenden Ausführungsform tritt Fluid tritt am zweiten Ende 3 des Kugelbolzens 1 in den Hohlraum 9 ein. Von dem Hohlraum 9 strömt das Fluid durch die Kanäle 5 in Richtung der äußeren Umfangsfläche 7, um dort schließlich durch die Fluidleitelemente 6 geleitet das Element 8 zu durchströmen. Während das Fluid mit dem Kugelbolzen 1 oder dem Element 8 in Kontakt steht, nimmt das Fluid Wärme des Kugelbolzens 1 auf und transportiert diese nach außen. Durch das Element 8 wird eine zur Wärmeabfuhr genutzte Oberfläche um ein Vielfaches vergrößert, was einer Wärmeübertragung vom Kugelbolzen 1 auf das Fluid zugutekommt. Je nach Menge des durchströmenden Fluides kann die Temperatur des Kugelbolzens 1 reguliert werden. Für eine Regulierung kann ein Ventil vorgeschaltet werden. Der Filter 10 filtert Verunreinigungen aus dem Fluid. Somit können die Verunreinigungen das Element 8 nicht verstopfen, was Wartungsintervalle verlängert.A fluid (not shown) is conveyed through the
Bei Verwendung des Kugelbolzens 1 in Fabrikhallen kann der Kugelbolzen 1 durch einen vorhandenen Maschinenlüfter mit Luft durchströmt werden. Alternativ dazu kann der Kugelbolzen 1 an ein vorhandenes Druckluftsystem angeschlossen werden. Somit ist keine weitere Peripherie notwendig, bis auf eine Verbindung vom Kugelbolzen 1 zum vorhandenen Druckluftsystem. Der Kugelbolzen 1 kann einen bisher verwendeten Kugelbolzen ersetzen und ist mit einigen wenigen Handgriffen einsatzbereit.When the ball pin 1 is used in factory buildings, air can flow through the ball pin 1 through an existing machine fan. Alternatively, the ball pin 1 can be connected to an existing compressed air system. This means that no further peripherals are necessary, apart from a connection from the ball pin 1 to the existing compressed air system. The ball pin 1 can replace a previously used ball pin and is ready for use in a few simple steps.
Durch eine Temperierung des Kugelbolzens 1 wird überschüssige Wärme konsequent abgeführt und somit bleibt der Kugelbolzen 1 in einem definierten Toleranzbereich und Temperaturbereich. Entsprechend wird die Reibtemperatur gering gehalten, wodurch eine Zerstörung und oder Verschleiß der Reibpartner vermieden wird Dadurch können die Wartungsintervalle verlängert werden. Weiterhin kann eine Maschine, bei der einen solchen Kugelbolzen 1 eingesetzt wird genauer eingestellt werden, was wiederum den Verschleiß von anderen Bauteilen reduziert.By controlling the temperature of the ball pin 1, excess heat is consistently dissipated and the ball pin 1 thus remains within a defined tolerance range and temperature range. Correspondingly, the friction temperature is kept low, as a result of which destruction and / or wear of the friction partners is avoided. This means that the maintenance intervals can be extended. Furthermore, a machine in which such a ball pin 1 is used can be set more precisely, which in turn reduces the wear on other components.
Claims (15)
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EP20153730.5A EP3741893B1 (en) | 2020-01-24 | 2020-01-24 | Ball bolt assembly |
CN202110088652.5A CN113174693B (en) | 2020-01-24 | 2021-01-22 | Ball pin assembly |
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EP20153730.5A EP3741893B1 (en) | 2020-01-24 | 2020-01-24 | Ball bolt assembly |
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EP3741893A1 true EP3741893A1 (en) | 2020-11-25 |
EP3741893B1 EP3741893B1 (en) | 2022-03-09 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4316395C1 (en) * | 1993-05-17 | 1994-10-27 | Mayer Textilmaschf | Warp-knitting machine with rackable bars |
US20160363162A1 (en) * | 2015-06-12 | 2016-12-15 | Rockford Products LLC | Hollow Ball Stud |
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US20020086086A1 (en) * | 1999-09-21 | 2002-07-04 | Mark Doyle | Curvilinear valve pin controller for injection molding |
DE10141927A1 (en) * | 2001-08-28 | 2003-07-31 | Aloys Wobben | Annular seal, in particular for a ball valve |
CN104760220B (en) * | 2014-01-08 | 2017-01-25 | 圣万提注塑工业(苏州)有限公司 | Valve pin and nozzle configuration and method of control |
EP3048196B1 (en) * | 2015-01-26 | 2017-03-15 | Karl Mayer Textilmaschinenfabrik GmbH | Lay bar of a warp knitting machine |
CN104675848A (en) * | 2015-03-03 | 2015-06-03 | 安徽江淮汽车股份有限公司 | Ball pin joint assembly |
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2020
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4316395C1 (en) * | 1993-05-17 | 1994-10-27 | Mayer Textilmaschf | Warp-knitting machine with rackable bars |
US20160363162A1 (en) * | 2015-06-12 | 2016-12-15 | Rockford Products LLC | Hollow Ball Stud |
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EP3741893B1 (en) | 2022-03-09 |
CN113174693B (en) | 2022-11-25 |
CN113174693A (en) | 2021-07-27 |
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