• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a shuttle drive train (100) for a shuttle embroidery machine and a shuttle embroidery machine comprising such a shuttle drive train (100). The shuttle drive train (100) comprises a first (110) and a second drive train element (120), which can be coupled or coupled to one another with the interposition of a third drive train element (130), the first (110) and second drive train element (120) in each case on one Bearing point (112, 122) of a bearing (140, 150) can be rotatably supported or stored. Furthermore, the shuttle drive train (100) comprises a first coupling point (106) for coupling a drive lever (200) which can be connected or connected to a drive shaft (400) set up for oscillating rotational movement, and a second coupling point (108) for coupling a shuttle driver beam (300). . The shuttle drive train (100) is characterized in that the first (106) and second coupling point (108) on the third drive train element (130) between two articulation points (132, 134) for coupling the first (110) and second drive train element (120 ) are arranged.
    公开号:CH712413B1
    申请号:CH01237/16
    申请日:2016-09-22
    公开日:2020-07-15
    发明作者:Friedrich Gerardo；Abegglen Hans；Rothenbühler Peter
    申请人:Saurer Ag；
    IPC主号:
    专利说明:

    The invention relates to a shuttle drive train for a shuttle embroidery machine and a shuttle embroidery machine comprising such a drive train.
    Shuttle embroidery machines are known in a wide variety of embodiments, in which the shuttle carried by a driver beam is moved by means of a drive train which transmits a drive movement emanating from a rotationally oscillating drive shaft to the driver beam.
    For example, document DE 10 2010 019 704 A1 discloses a drive train which is coupled to a connecting rod comprising bending elements, the bending elements being elastically deformable about mutually perpendicular or almost perpendicular bending axes. This eliminates the need for ball joints or sliding bearings in the power transmission path from the drive shaft to the drive beam.
    [0004] Document WO 2015/027349 A1 discloses a shuttle drive train with the preamble features of claim 1, as a result of which higher numbers of stitches with less wear on the drive means should be possible without a linear guide. However, the drive train is complex and takes up space in a direction leading away from the driver beam.
    Based on the aforementioned prior art, the invention has for its object to provide an improved shuttle drive train for a shuttle embroidery machine, which is designed simpler or less complex while maintaining the advantages of the higher number of stitches and low wear. In particular, it is an object of the present invention to propose an alternative shuttle drive train for a shuttle embroidery machine and an alternative shuttle embroidery machine comprising such a drive train.
    This object is achieved by a shuttle drive train with the features of claim 1 and by a shuttle embroidery machine with the features of claim 7.
    Advantageous embodiments are the subject of the dependent claims.
    The shuttle drive train comprises a first and second drive train element, which can be coupled or coupled to one another with the interposition of a third drive train element, the first and second drive train elements each being rotatably supported or supported at a bearing by a bearing. In a preferred manner, the first and second drive train elements can each be rotatably supported or supported at a first or second bearing point by an assigned first or second bearing. The first and second drive train elements are each configured to form a first or second swivel joint at a first or second joint point spaced from the first or second bearing point.
    The third drive train element comprises two articulation points, preferably one of the two articulation points being connectable or connected to the first articulation point of the first drive train element by forming the first swivel joint and the other of the two articulation points being connected to the second articulation point of the second drive train element by forming the second swivel joint .
    The first to third drive train element can preferably be designed as a, in particular rectilinear, rod or beam element. Such an element is simple and inexpensive to manufacture. The respective bearing and articulation points of the drive train elements are further preferably arranged in the region of the longitudinal ends or on the longitudinal ends of the respective drive train element, in order to ensure that the drive train elements are compact. To reduce weight, the drive train elements can be machined in areas outside of the respective bearing and joint locations in a material-reducing manner, for example by forming recesses, cavities or constrictions, taking into account the longitudinal, bending and / or transverse rigidity required for use in the drive train. For example, the cutouts or cavities can be formed by longitudinal or transverse grooves and / or blind holes or through holes.
    The two articulation points of the third drive train element can be coupled or coupled to one another with the first and second articulation point of the first and second drive train elements, particularly preferably via an engagement of a pivot pin and an associated receiving bore. In this case, a swivel pin can form an articulation point and a receiving bore for receiving the swivel pin can form the associated other articulation point. Alternatively, all of the hinge points of the first to third drive train elements can be formed by a receiving bore, a pivot pin being inserted in the joint points assigned to one another and coupling the corresponding drive train elements to one another in order to enable a rotational movement of one drive train element to the coupled other drive train element.
    The first and second bearings can preferably be a fixed bearing which prevents translatory bearing movements of the first and second drive train elements. The first and second bearings are preferably comprised by the shuttle drive train. The first or second drive train element is rotatably supported by the first or second bearing preferably with a view to the simplest possible configuration in a manner described above by means of a bearing bore forming the first or second bearing point, in which a bearing pin for rotatably supporting the first or second drive train element is used. Alternatively, the first and / or second bearing point can be formed by a bearing pin, which engages in a bearing bore of the assigned first or second bearing.
    The shuttle drive train also includes a first coupling point for coupling a drive lever that can be connected to a drive shaft that is set up for oscillating rotary movement. The drive lever can be assigned to the boat drive train in a preferred manner in order to be able to provide a coordinated structural unit. Such a drive lever forms a force transmission element between the drive shaft and the drive train elements, by means of which a movement force originating from the oscillating rotary movement of the drive shaft can be converted into an oscillating linear movement. For example, the drive lever can be designed in such a way that it has a fastening which is coupled in a rotationally fixed manner to the drive shaft and, at its free end, comprises a rotary joint which is coupled to a connecting rod and forms a connecting rod bearing, the connecting rod being able to be coupled or coupled to the first coupling point.
    Furthermore, the shuttle drive train comprises a second coupling point for coupling the shuttle driver beam in order to transmit a movement force absorbed by the first coupling point to the shuttle driver beam.
    The shuttle drive train is characterized by the arrangement of the three drive train elements and the coupling points according to claim 1. As a result, an almost linear movement of the driver bar is made possible in a predeterminable section, which is guided by the other two drive train elements enclosing the third drive train element. The accuracy of the linear movement and the size of the section can preferably be predetermined by coordinating the lengths of the first to third drive train elements and by appropriately selecting the positions of the bearing points. In connection with the design of the bearings as a fixed bearing, linear guide means for supporting the linear movement of the driver bar can advantageously be dispensed with. As an alternative to this, the bearings can in particular be designed as a floating bearing, by means of which, in the sense of the invention, an additional degree of freedom is provided transversely, particularly preferably perpendicularly, to the bearing axis compared to the fixed bearing. Such a floating bearing could be realized, for example, by an elongated hole running transversely to the bearing or rotational axis. For such a floating bearing, linear guide means must be provided to ensure the predeterminable linear movement of the driver bar. In addition, a drive train can be realized with an extension parallel to the direction of extension of the driver bar, whereby the available space along the driver bar can be advantageously used and a space that runs transversely to the direction of extension of the driver bar can be saved. The shuttle drive train can thus be arranged in a space-saving manner in an intermediate space formed between the drive shaft and the shuttle driver beam. Furthermore, the shuttle drive train has fewer elements than previously known drive trains and is structurally simpler.
    According to a preferred embodiment, the first and second coupling points are arranged on surface sides of the third drive train element facing away from one another. The first and second coupling points are further preferably arranged on the third drive train element along a common coupling axis crossing the opposite surface sides. As a result, the first and second coupling points can be provided in an easily accessible manner, as a result of which the shuttle drive train can be positioned between the driver bar and the drive lever with little effort and, in particular, can be set up interchangeably for a defect.
    [0017] The first coupling point to a joint point of the third drive train element is further preferably arranged at an identical distance from the second coupling point to this joint point. This favors a mirror-symmetrical design of the third drive train element.
    Preferably, at least the second coupling point is configured to form a third rotary joint with an axis of rotation running parallel to the axes of rotation of the first and second rotary joints. The third drive train element is thus designed to be rotatable relative to the coupled driver bar. In particular, tolerance-related material tensions can be advantageously counteracted.
    Further preferably, the shuttle drive train comprises the first and second bearings, each of which is formed by a fixed bearing, the first to third drive train element and the fixed bearings being arranged and able to be coupled or coupled to one another such that the first and second coupling point between those of the first and second rotary joint trained axes of rotation in a projection of all three axes on a line connecting the first and second bearing point together. A projection is to be understood as a transfer from the respective locations of the first and second coupling points and the points representing the axes of rotation along a projection line running perpendicular to the line connecting the bearing points up to this line connecting the bearing points. More preferably, the first and second coupling points lie between these axes of rotation when the same is projected onto a line running through the first or second coupling points parallel to the movement axis of the third drive train element. As a result, a shuttle drive train that is optimized with regard to the power flow and linear movement of the third drive train element can be provided.
    According to a further aspect of the present invention, a shuttle embroidery machine is proposed which has a shuttle driver bar for moving the shuttle and a drive shaft set up for oscillating rotary motion for driving the shuttle driver bar. The drive shaft is coupled to the shuttle driver beam via at least one shuttle drive train arranged between the shuttle driver bar and a driver lever coupled to the drive shaft. The drive lever has a power transmission element arranged in a rotationally fixed manner on the drive shaft for converting an oscillating rotary movement starting from the drive shaft into an oscillating linear movement for a connecting rod coupled to the power transmission element and the at least one boat drive train. The shuttle embroidery machine is characterized in that the at least one shuttle drive train is designed according to one of the above-described embodiments, the connecting rod being coupled to the first coupling point. In this way, a shuttle embroidery machine with a simple design and space-reduced between the drive shaft and the drive bar can be provided.
    According to a preferred embodiment, the shuttle drive train is movably mounted at least in the direction of a material surface to be processed by the shuttle embroidery machine. The shuttle drive train is further preferably movably mounted in a direction leading away from the material surface. For example, the frame elements of the shuttle embroidery machine that can be coupled to the shuttle drive train can be correspondingly movably mounted or can form such a suspension. Such a bearing can be roller-guided or rail-guided, for example, or can be realized by means of a sliding bearing. As a result, a position of the shuttle drive train and thus of the shuttle driver bar can be set as required, in particular to compensate for component-related tolerances.
    Furthermore, the shuttle embroidery machine preferably includes a positioning device with an adjusting element coupled to the shuttle drive train for positioning the shuttle drive train or shuttle driver bar at least in the direction of the material surface and more preferably in a direction leading away therefrom. By changing the position of the shuttle drive train, a distance between the shuttle carried by the shuttle driver bar and the material surface can be set very precisely in a defined manner. The adjusting element can engage in particular on a component of the shuttle drive train or on a displaceable component of the shuttle embroidery machine that carries the shuttle drive train.
    Further features and advantages of the invention will become apparent from the following description of preferred exemplary embodiments of the invention, with reference to the figures and drawings and from the patent claims. The individual features can each be implemented individually or in any combination in any combination.
    Preferred embodiments of the invention are explained below with reference to the accompanying drawings.
    [0025] The figures show:<tb> Fig. 1 <SEP> is a schematic representation of a rear view of a boat drive train according to an embodiment in a lower position;<tb> Fig. 2 <SEP> is a schematic illustration of a rear view of the shuttle drive train shown in FIG. 1 in an upper position;<tb> Fig. 3 <SEP> is a schematic illustration of a perspective front view of the shuttle drive train shown in FIG. 1;<tb> Fig. 4 <SEP> is a schematic illustration of a perspective front view of the shuttle drive train shown in FIG. 2; and<tb> Fig. 5 <SEP> is a schematic illustration of a perspective front view of the shuttle drive train shown in FIGS. 2 and 4 with holder and mounted driver bar according to one exemplary embodiment.
    In the following description of exemplary embodiments according to the present invention, the same or similar reference numerals are used for the elements shown in the different figures and acting in a similar manner, a repeated description of these elements being dispensed with.
    Figures 1 and 2 show a schematic representation of a rear view of a boat drive train 100 according to an embodiment in a lower or upper position, while Figures 3 and 4 show the boat drive train 100 in the respective position in perspective in an associated front view.
    The boat drive train 100 comprises a first to third drive train element 110, 120, 130. The first 110 and second drive train element 120 are each identically shaped as a beam element. At one of its longitudinal ends 112; 122, each beam element 110, 120 has a through hole through which a bearing pin 142; 152 of a fixed bearing 140; 150 extends through the respective first or second drive train element 110, 120 about the longitudinal axis of the bearing pin 142; 152 rotatably. The corresponding longitudinal end 112; 122 thus forms a first bearing point for the first 110 or second drive train element 120. At the other longitudinal end 114; 124, the respective beam element 110, 120 is formed in the longitudinal direction of extension as a U-shaped fork with a bore extending through the legs of the U-shape, the fork 114; 124 forms a first joint point assigned to the first drive train element 110 or a second joint point assigned to the second drive train element 120. Along the longitudinal direction of the first 110 or second drive train element 120, a plurality of recesses 118; 128 introduced for weight reduction.
    The third drive train element 130 is formed from a cross-like block or cuboid element. The longitudinal ends arranged along a vertical line of the cross point towards the opening of the fork 114; 124 matched width and are received by the legs of the correspondingly assigned fork 114, 124. The longitudinal ends also comprise a bore running parallel to the cruciform surface, which in the recorded state is congruent with the corresponding bore of the associated fork 114; 124 is formed. The longitudinal ends with the respective bores each form an articulation point 132, 134 for the third drive train element 130. A hinge pin 136 is introduced into the congruent bores, by means of which the first 110 is coupled to the third drive train element 130 and the second 120 to the third drive train element 130 so that they can rotate relative to one another. The articulation points 132, 134 with the respectively assigned first and second articulation points 114, 124 in connection with the respective articulation pin 136 thus each form a swivel joint.
    The third drive train element 130 has a coupling point 106, 108 at the front ends of the longitudinal ends arranged along a horizontal line of the cross. A first coupling point 106 thereof is coupled by means of a fastening bolt 160 to a connecting rod head 212 of a connecting rod 210 assigned to a drive lever 200, the fastening bolt 160 projecting through a through hole 214 in the connecting rod head 212. The second coupling point 108 is set up to be coupled to a shuttle driver beam 300 by means of a pivot pin (FIG. 5) such that a relative rotation between the third drive train element 130 and the shuttle driver beam 300 is possible about the longitudinal axis of the pivot pin. According to a further exemplary embodiment, such a relative rotation can likewise be achieved between the third drive train element 130 and the connecting rod 210 by using such a pivot pin. In a particularly preferred manner, as is shown in the exemplary embodiments according to FIGS. 1 to 5, the fastening bolt 160 is the pivot joint bolt. As an alternative to the pivot pin, according to a further preferred exemplary embodiment, a ball joint can be used as a coupling means between the third drive train element 130 and the connecting rod 210 or the shuttle driver beam 300. The ball-and-socket joint enables additional degrees of freedom of movement to be provided as required with regard to a relative movement of the coupled elements.
    The drive lever 200 comprises, in addition to the connecting rod 210, a connecting rod carrier 220 connected in a rotationally fixed manner to an oscillatingly rotatably arranged drive shaft 400. The connecting rod carrier 220 comprises two force transmission elements 222, each projecting in the same way from the drive shaft 400 and fixing the drive shaft 400 in a rotationally fixed manner with a first end 224 reach around and have a defined distance from one another along an axis of rotation 402 of the drive shaft 400. At the other second end 226 of the respective force transmission elements 222, a support bolt 228, which runs parallel to the axis of rotation 402, is held by the force transmission elements 222 and protrudes through the connecting rod eye of the connecting rod 210. As a result, the rotary movement carried out by the drive shaft 400 about its axis of rotation 402 can be converted into a translatory connecting rod movement. According to an alternative preferred embodiment, not shown, only one power transmission element is provided, which carries the connecting rod 210 at its free end in a manner as described above and shown in FIGS. 1 to 4.
    The respective fixed bearing 140, 150 of the shuttle drive train 100 is carried by a support element 500 which has fastening openings 508 pointing in at least two different directions for attaching the support element 500 to one or more associated frame elements of the shuttle embroidery machine. The support element 500 is arranged on a side of the drive shaft 400 facing the shuttle driver beam 300. The support element 500 has two support fingers 502, 504 spaced from one another, each of which has a transverse bore for receiving a first bearing pin section of a correspondingly assigned bearing pin 142; 152 of the fixed bearings 140, 150, and a support beam 506 opposite the support fingers 502, 504 and spaced apart from them. The support beam 506 in each case comprises a further bore, designed and arranged congruently to the transverse bore of the support fingers 502, 504, for receiving a second bearing pin section of the bearing pin 142 received by the opposite transverse bore; 152. The respective bearing pin 142, 152 is thereby carried in a fixed position by the supporting beam 506 and the corresponding supporting finger 502, 504, an intermediate bearing pin section being formed between the received first and second bearing pin sections, which section correspondingly assigning the through bore of the first 110 and second drive train element 120 crossed for the rotatable storage of the same.
    On a side facing away from the support fingers 502, 504, the support element 500 on the support beam 506 has a third coupling point 510 for coupling a positioning device 600 shown purely schematically in FIG. 5, by means of which the support element 500 and thus the shuttle drive train 100 or the Couplable or coupled shuttle driver bar 300 along a direction running to a material surface to be processed by the shuttle embroidery machine, which is opposite to the shuttle driver beam 300 in the usual way, can be variably positioned or adjusted to the material surface with variable spacing. For this purpose, the positioning device 600 has, between a frame element of the shuttle embroidery machine and the support element 500, a controller 602 with a rod-shaped positioning element 604 which can move in the direction of and away from the support element and which acts on the third coupling point 510. According to this exemplary embodiment, the controller 602 is a rotary controller with a scale for displaying the adjustment path for the positioning or adjusting element 604. The positioning device 600 permits defined, very precise positioning and thus adjustment of the shuttle driver bar 300 to the one to be processed Material area.
    The exemplary embodiments described and shown in the figures are selected only by way of example. Different exemplary embodiments can be combined with one another completely or with regard to individual features. An exemplary embodiment can also be supplemented by features of a further exemplary embodiment.
    If an embodiment includes a “and / or” link between a first feature and a second feature, this can be read in such a way that the embodiment according to one embodiment has both the first feature and the second feature and according to a further embodiment either has only the first feature or only the second feature.
    Reference list
    100 boat drive train 106 first coupling point 108 second coupling point 110 first drive train element 112, 122 one longitudinal end 114, 124 other longitudinal end 118, 128 recess 120 second drive train element 130 third drive train element 132, 134 joint point 136 joint pin 140, 150 fixed bearing 142, 152 bearing pin 160 pivot pin 160 200 drive lever 210 connecting rod 212 connecting rod 214 through hole 220 connecting rod support 222 power transmission element 224 first end 226 second end 228 support bolt 300 shuttle driver beam 400 drive shaft 402 rotation axis 500 support element 502, 504 support finger 506 support beam 508 fastening opening 510 third coupling point 600 positioning device 602 rotary control 604 adjusting element
    权利要求:
    Claims (9)
    [1]
    1. shuttle drive train (100) for a shuttle embroidery machine, the shuttle drive train (100) comprisinga first (110) and a second drive train element (120) which can be articulated or coupled to one another with the interposition of a third drive train element (130), the first (110) and second drive train element (120) each at a bearing point (112, 122) from a bearing (140, 150) can be rotatably supported or stored;a first coupling point (106) for coupling a drive lever (200) which can be connected or is connected to a drive shaft (400) which is set up for oscillating rotary movement; anda second coupling point (108) for coupling a shuttle driver beam (300);characterized in thatthe first (106) and second coupling point (108) on the third drive train element (130) are arranged between two articulation points (132, 134) for coupling the first (110) and second drive train element (120), respectively.
    [2]
    2. shuttle drive train (100) according to claim 1, characterized inthat the first drive train element (110) can be rotatably supported or supported on the first bearing point (112) by the first bearing (140) and on a first joint point (114) spaced from the first bearing point (112) to form a first swivel joint (114, 132, 136) is set up;that the second drive train element (120) can be rotatably supported or supported on the second bearing point (122) by the second bearing (150) and on a second joint point (124) spaced from the second bearing point (122) to form a second swivel joint (124, 134, 136) is set up;that one (132) of the two articulation points (132, 134) of the third drive train element (130) with the first articulation point (114) of the first drive train element (110) by forming the first swivel joint (114, 132, 136) and the other (134) of the two articulation points (132, 134) of the third drive train element (130) can be or are connected to the second articulation point (124) of the second drive train element (120) by forming the second swivel joint (124, 134, 136), the articulation points (114, 124, 132, 134) are designed to form the first (114, 132, 136) and second swivel joint (124, 134, 136) with axes of rotation running parallel to one another.
    [3]
    3. boat drive train (100) according to claim 1 or 2, characterized in that the first (106) and the second coupling point (108) are arranged on mutually facing surface sides of the third drive train element (130).
    [4]
    4. boat drive train (100) according to claim 3, characterized in that the first (106) and the second coupling point (108) are arranged along a common coupling axis crossing the opposite surface sides on the third drive train element (130).
    [5]
    5. boat drive train (100) according to any one of claims 2 to 4, characterized in that at least the second coupling point (108) for forming a third pivot joint (108, 160) with one to the axes of rotation of the first (114, 132, 136) and second swivel joint (124, 134, 136) is arranged parallel to the axis of rotation.
    [6]
    6. shuttle drive train (100) according to one of claims 2 to 5, characterized in that the shuttle drive train (100) has the first (140) and second bearing (150), which are each formed by a fixed bearing, the first to third The drive train element (110, 120, 130) and the fixed bearings (140, 150) are arranged and coupled to one another in such a way that the horizontal coordinate component in the direction of the axis of rotation (402) of the first (106) and the second coupling point (108) in all operating positions between the two horizontal coordinate components in the direction of the axis of rotation (402) of the first (114, 132, 136) and the second swivel joint (124, 134, 136).
    [7]
    7. shuttle embroidery machine with a shuttle driver bar (300) for moving the shuttle and a drive shaft (400) set up for oscillating rotary movement for driving the shuttle driver beam (300) via at least one between the shuttle driver beam (300) and one with the drive shaft (400) coupled drive lever (200) arranged shuttle drive train (100), wherein the drive lever (200) on the drive shaft (400) non-rotatably arranged power transmission element (220) for converting an oscillating rotary movement emanating from the drive shaft (400) into an oscillating linear movement for has a connecting rod (210) coupled to the power transmission element (220) and the at least one shuttle drive train (100), characterized in that the at least one shuttle drive train (100) is designed according to one of claims 1 to 6, the connecting rod (210) being included the first coupling point (106) is coupled.
    [8]
    8. shuttle embroidery machine according to claim 7, characterized in that the first drive train element (110) and the second drive train element (120) and the third drive train element (130) of the at least one shuttle drive train (100) move in a plane which is parallel to the plane, in which the shuttle driver bar (300) moves.
    [9]
    9. shuttle embroidery machine according to claim 8, characterized in that the shuttle embroidery machine comprises a positioning device (600) with an adjustment element (604) coupled to the shuttle drive train (100) for positioning the shuttle drive train (100) as required at least in the direction of the material surface.
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    同族专利:
    公开号 | 公开日
    DE102016005334A1|2017-11-02|
    DE102016005334B4|2018-04-26|
    DE102016005334A8|2018-01-04|
    CH712413A2|2017-10-31|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE269840C|
    DE102010019704B4|2010-05-07|2013-11-07|Oerlikon Saurer Arbon Ag|Boat embroidery machine with drive of the driver bar|
    CH708496A1|2013-08-28|2015-03-13|Lässer Ag|A shuttle embroidering.|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102016005334.8A|DE102016005334B4|2016-04-30|2016-04-30|Shuttle drive train for a shuttle embroidery machine and shuttle embroidery machine|
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