EP3307938A1 - Verseileinheit für eine verseilmaschine und korb für eine verseileinheit - Google Patents
Verseileinheit für eine verseilmaschine und korb für eine verseileinheitInfo
- Publication number
- EP3307938A1 EP3307938A1 EP16734562.8A EP16734562A EP3307938A1 EP 3307938 A1 EP3307938 A1 EP 3307938A1 EP 16734562 A EP16734562 A EP 16734562A EP 3307938 A1 EP3307938 A1 EP 3307938A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stranding
- cage
- basket
- frame
- unit
- 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
- 239000000463 material Substances 0.000 claims abstract description 43
- 230000002441 reversible effect Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 210000002445 nipple Anatomy 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000003860 storage Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B3/00—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
- D07B3/02—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the supply reels rotate about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the component strands away from the supply reels in fixed position
- D07B3/06—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the supply reels rotate about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the component strands away from the supply reels in fixed position and are spaced radially from the axis of the machine, i.e. basket or planetary-type stranding machine
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
- D07B7/04—Devices for imparting reverse rotation to bobbin- or reel cages
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
- D07B7/06—Bearing supports or brakes for supply bobbins or reels
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2207/00—Rope or cable making machines
- D07B2207/40—Machine components
- D07B2207/4004—Unwinding devices
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/40—Aspects related to the problem to be solved or advantage related to rope making machines
- D07B2401/406—Increasing speed
Definitions
- the invention relates to a stranding unit for a stranding machine, with a stranding axis and with a cage in which at least one basket is arranged, for receiving a coil with stranded material wound thereon. Furthermore, the invention relates to a basket for a stranding unit.
- a corresponding stranding machine is also referred to as Korbverseilmaschine.
- Exemplary embodiments are described in EP 0 407 855 A1 and DE 2 1 15 249.
- stranding usually several strands are stranded together by means of a stranding machine, for example to a cable or a rope.
- the strands are typically twisted about a stranding axis while simultaneously being conveyed in the direction of this stranding axis, ie in a stranding or production direction along the stranding axis or tapering towards it.
- the strands are provided by a stranding unit comprising a number of spools on which the strands are wound as a tow.
- each coil is inserted into a basket, which has a so-called yoke for holding the coil.
- the basket is typically additionally moved in a circular path around the stranding axis in order to achieve the required rotational movement.
- two rotational movements are generated: on the one hand, a rotation of the spool about a spool axis, for unwinding of the strand material, and on the other hand a rotation of the spool on a circular path about the stranding axis.
- several baskets are regularly combined in a cage, which is also referred to as a drum, and distributed in a direction of rotation around the stranding axis around.
- the individually unwound strands are finally brought together on a stranding nipple which is downstream of the stranding in the stranding.
- the stranding unit is additionally preceded by an unwinder, which provides a core inlet, which is fed through the stranding unit to the stranding nipple and around which the individual strands are stranded.
- an unwinder which provides a core inlet, which is fed through the stranding unit to the stranding nipple and around which the individual strands are stranded.
- a plurality of stranding units and stranding nipples can also be arranged one behind the other in the stranding direction, in which case the stranding material produced on a stranding nipple is fed to a subsequent stranding unit as the core inlet.
- the production speed in length per time is limited in stranding machines essentially due to the forces occurring in the various rotational movements. Due to the sometimes high weight of the strand material on the coils and the circular movement of the baskets arise in operation, among other things, strong centrifugal forces in the radial direction to the stranding axis. The strands conveyed out of the stranding unit and to the stranding nipple are also subjected to corresponding centrifugal forces. Furthermore, the rotation especially at high speeds leads to heavy loads on the baskets and the yokes, with the risk of deformation or damage.
- EP 0 407 855 A2 describes a basket twisting machine with a support tube running along the stranding axis, on which a plurality of support plates for holding coil carriers are arranged. To increase the operating speed is proposed to connect the support plates on longitudinal webs firmly together and in this way to increase the rigidity of the overall arrangement. Such a stranding machine can then be operated at higher speeds.
- the stranding unit should be operable during stranding with the highest possible speed and have the greatest possible production speed in the production of stranded material. Furthermore, a correspondingly suitable basket for a stranding unit should be specified.
- the object is achieved by a stranding unit for a stranding machine with the features of claim 1 and by a stranding unit for a stranding machine with the features of claim 22.
- Advantageous embodiments, developments and variants are the subject of the dependent claims.
- the object is further achieved by a basket with the features according to claim 21.
- the statements in connection with the stranding apply mutatis mutandis to the basket and vice versa.
- the stranding unit is designed for use in a stranding machine and has a stranding axis, which in particular is also a stranding axis of the stranding machine and along which production of stranded material takes place.
- the stranding unit has a cage in which at least one basket, preferably a plurality of baskets, are arranged, for receiving in each case a coil with strand material wound thereon. In operation, this stranded material is unwound from the bobbins and stranded by means of the stranding machine for stranding.
- the stranding unit has a frame with a frame, which is in a circumferential direction around the stranding axis around the cage, in particular completely encircling, wherein the cage is mounted on the frame by means of a number of frame bearing elements and is rotatable about the stranding axis.
- the cage is rotatably mounted on the frame and preferably mounted exclusively on the frame, wherein in particular an additional shaft in the direction of the stranding axis is dispensed with.
- the cage is with the The frame is connected in a fixed manner and during operation the cage rotates in the frame around the stranding axis.
- the baskets are arranged in the cage such that they are arranged in the direction of the stranding axis at approximately the same longitudinal position as the frame bearing elements.
- the centrifugal forces which occur during the rotation of the cage and the baskets are then in a particularly optimal manner directly in the radial direction, i. transmitted perpendicular to the stranding axis over the frame bearing elements on the frame.
- Another advantage of the invention is then in particular that the frame due to its arrangement outside the cage is almost arbitrarily solid and therefore particularly stable interpretable and expediently also designed to accommodate particularly high forces.
- the frame is formed by a number of steel rings encircling the stranding axis, which are subsequently fastened to the frame. The frame then surrounds the cage and in particular the baskets arranged therein in full. Overall, therefore, deviates from conventional concepts for driving the cage and the baskets and the arrangement of the baskets.
- the shaft of the stranding unit which is otherwise arranged in the center and runs along the stranding axis, is also significantly smaller in dimension.
- a wave is used with respect to conventional waves significantly reduced diameter.
- the stranding unit then has a drive motor which drives the cage and outside the frame, in particular laterally thereof is arranged. This results in more free space in the center of the cage, so that the baskets can be arranged closer to the stranding axis compared to conventional stranding units and are expediently arranged, as a result of which the radius of the turning circle of the baskets during operation is reduced.
- the centrifugal forces are reduced during operation of the stranding, so that advantageously a higher speed and thus a higher production speed is possible.
- the frame and the frame connected thereto are fixed and immovable and form a receptacle for the moving parts of the stranding unit.
- the cage is mounted in the frame and is rotated in operation around the stranding axis in order to realize the stranding required for stranding twisting of the strand.
- the baskets are connected to the cage in such a way that during a rotation of the cage the baskets are moved on one or more turning circles around the stranding axis.
- the stranding axis also runs in a stranding or production direction, in which the extruded material is conveyed and generally the production of Verseilguts from the extruded material takes place.
- the stranding unit then has a front side, which lies in the stranding direction behind the stranding unit and on which the extruded material emerges from the stranding unit and is expediently fed to a stranding nipple.
- the stranding unit In the stranding direction in front of the stranding unit, the stranding unit then correspondingly has a back on which, for example, a centrally guided core inlet is supplied as the core for the stranding material.
- the basket preferably all baskets, are rotatably mounted in the cage about a respective longitudinal axis of the basket, which runs parallel to the stranding axis.
- the coils mounted in the baskets are also rotatable about a coil axis, which likewise runs parallel to the stranding axis and in particular also coaxially with the longitudinal axis of the basket. This longitudinal alignment of the different axes of rotation results in operation a particularly optimal force on the individual components of the stranding unit.
- the centrifugal forces occurring during operation act on any axes, namely the basket longitudinal axis and the coil axis only in the radial direction and not straight in the axial direction, ie along the respective axis. Therefore, the occurring centrifugal forces are particularly evenly distributed during operation, so that a correspondingly uniform loading of the components takes place and deformation or even damage due to changing load is avoided.
- a further advantage results for a coil used in a basket then further characterized in that act on the wound strand only radial forces and thereby slipping of the strand in the direction of the coil axis is prevented in a particularly simple manner.
- the coil which has a coil core and spool flanges, is thereby also protected, since the extruded material does not slide back and forth on the spool core and, in particular, the dynamic loads on the spool core and the spool flanges are thereby reduced.
- the frame bearing elements each have a number of frame rollers for supporting the cage. These frame rollers are firmly positioned with respect to the frame, so that the cage rolls during operation on these frame rollers.
- the cage preferably has, on the outside, a corresponding cage running surface on which the frame rollers are seated.
- the cage running surface is designed to be convex and thus sits particularly safe in the axial direction in correspondingly concave profiled frame rollers.
- a frame bearing element comprises two frame rollers, which are combined by means of an articulated arm to form a roller unit, which is then attached to the frame.
- the stranding unit preferably also comprises at least two frames with corresponding frame bearing elements, which are positioned at different longitudinal positions along the stranding axis.
- Such a framework then forms a cylindrical cage space extending along the stranding axis, in which the cage is rotatably arranged. The frame thus encloses the cage in particular completely at least in the radial direction.
- the frame bearing elements are suitably fastened in each case by means of an eccentric pin on the frame.
- the frame bearing elements are displaced in a limited manner in a radial plane perpendicular to the stranding axis, so that any manufacturing tolerances of the frame or the cage when inserting the same in the frame are easily compensated.
- a particularly smooth running of the cage and thus particularly uniform forces are achieved during operation.
- the frame in a lower region below the stranding axis is expediently more densely covered with frame bearing elements than in an upper region.
- the downwardly acting weight forces are taken into account, which are absorbed in an improved manner by the frame due to the denser occupation of frame bearing elements in this lower region.
- the upper region of the frame then correspondingly less frame bearing elements are arranged, since only acting in operation centrifugal forces must be absorbed.
- the stranding is done regularly with a so-called reverse rotation, ie that the baskets are rotated in Gegenrehsinn to the cage, so that the baskets do not rotate relative to the frame just, but only on the appropriate turning circles.
- the basket is also mounted on the cage by means of a number of cage bearing elements, in particular cage rollers, which are arranged around the cage in the circumferential direction.
- the individual baskets are mounted on the outside circumference with respect to the cage, just as the cage is mounted on the outside of the frame.
- the cage bearing elements are expediently designed to be similar to the frame bearing elements and preferably as rolling units, which are then mounted correspondingly by means of an eccentric pin on the cage.
- several cage bearing elements are formed as rolling units, each with in particular two cage rollers, against which rolls the basket during operation.
- the cage expediently has a number of cage discs, which are arranged at different longitudinal positions along the stranding axis and perpendicular thereto and each having a particular circular Korbausinstituung into which the basket is inserted.
- the stranding unit comprises as many cage discs as frames, so that each frame is assigned exactly one cage disc, which is arranged in this frame, so that at different length positions in each case a cage disc and a peripheral frame are arranged.
- two cage disks are correspondingly arranged at two length positions, which are then surrounded by two frames.
- the baskets inserted into the cage then extend in particular at least over the gap formed by the cage disks, preferably in such a way that the coils are arranged in the baskets in this intermediate space, whereby an optimum force transmission in the radial direction then takes place during operation.
- the cage discs act in combination with the cage and frame bearing elements in particular as an intermediary between the cage and the baskets and form in particular load or force-transmitting elements. In operation, due to the rotation of the cage on a respective basket, a centrifugal force directed outward with respect to the stranding axis acts.
- the cage bearing elements are expediently arranged closer together in the outer region of the cage with respect to the stranding axis than in an inner region.
- the cage bearing elements can advantageously be delivered individually according to the available force and space requirements, i. the number of actually acting on the cage cage bearing elements is adjustable, in particular due to the attachment over eccentric bolt in a particularly simple manner. Furthermore, the above-described construction with eccentric mounting of the cage bearing elements is also advantageously self-centering. The same applies mutatis mutandis to the frame bearing elements.
- a particularly optimal transmission of centrifugal forces results in an advantageous development in particular in that the frame bearing elements along the stranding axis are arranged at certain longitudinal positions and the cage bearing elements at substantially the same longitudinal positions.
- the cage bearing elements and the frame bearing elements are thus arranged, so to speak, at the same height along the stranding axis.
- This is based on the idea to realize the shortest possible power flow paths.
- the forces transmitted from the basket to the cage in the radial direction are passed on directly to the frame in the radial direction.
- a mechanical load in the axial direction, ie in the direction of the stranding axis, is thereby reduced in a particularly efficient manner. In particular, bending moments acting on the frame are avoided particularly effectively.
- cage bearing elements and frame bearing elements are arranged one behind the other in the radial direction.
- the following is understood to mean, in particular, at substantially the same longitudinal positions that there is at most a slight offset between the cage bearing elements and the frame bearing elements in the direction of the stranding axis, wherein an at most small offset corresponds in particular to a width of the bearing elements.
- cage bearing elements and frame bearing elements are arranged offset at a certain longitudinal position at most by the width of the frame bearing elements and / or cage bearing elements from each other.
- the cage in particular its cage disks, preferably additionally have a number of strand bushings for passing through a corresponding number of strands, which originate, for example, from a further stranding unit connected upstream of the stranding unit or from a corresponding preceding unwinder.
- the basket comprises a tube which extends along the longitudinal axis of the basket as well as around it and into which yoke is inserted.
- the yoke is used in particular for receiving the coil, which is then surrounded in the inserted state of the tube.
- the tube has, in particular, a closed lateral surface, whereby in operation possibly unfavorable air turbulences are avoided by a rotation of the basket.
- the tube does not serve to guide the strand material, but instead forms a stabilizing exoskeleton of the basket.
- the tube has, just like the cage, a front side and a rear side, wherein the extruded pulp runs out in particular via the front side.
- the tube is preferably made of a carbon fiber or glass fiber reinforced plastic, also referred to as CFK or GFK manufactured.
- CFK carbon fiber or glass fiber reinforced plastic
- the tube has on the outside, ie on the lateral surface, expediently a number of bearing tracks along which guided the cage bearing elements are.
- the bearing tracks thus serve in particular for the storage of the basket on the cage. In this way, a particularly secure hold is ensured even in the direction of the basket longitudinal axis.
- the bearing tracks are designed for this purpose as in particular concave roller tracks on the lateral surface of the tube and this run around in particular full circumference, so that correspondingly complementarily shaped cage rollers are guided along these runways.
- the tube then preferably comprises two bearing tracks, which are arranged in the direction of the basket longitudinal axis at different length positions, so that the basket is mounted so a total of two length positions in the cage.
- the yoke preferably has at least one, but preferably two bearing rings, each with a circumferential, conical bearing surface, which rest positively in the inserted state of the yoke on the inside conical yoke bearing surfaces of the tube.
- the contact surfaces and yoke bearing surfaces thus each form annular surfaces, which are employed with respect to the basket longitudinal axis at a certain angle, to form in this way a part of a conical surface.
- In the inserted state of the yoke in the basket then lie in each case a contact surface and a yoke bearing surface to each other and generate in this way a positioning of the yoke.
- a loading of the basket with a coil then takes place in particular such that the coil is placed on the yoke and the yoke is then inserted into the tube, so that the contact surfaces and the yoke bearing surfaces lie positively against each other.
- the bearing tracks are arranged in the radial direction of the Korbl Kunststoffsachse outwardly behind a respective contact surface, that is arranged in particular without axial offset and at substantially the same longitudinal positions.
- this results in a particularly optimal force flow in the radial direction through the contact surfaces and bearing tracks arranged directly behind one another in this direction.
- the forces absorbed by the yoke bearing surfaces become direct passed in the radial direction to the mounted on the outside of the tube bearing tracks and from there also directly in the radial direction of the cage bearing elements. In this way, an axial load on the tube is avoided particularly efficiently.
- the conical bearing surfaces are expediently designed tapering in the same direction towards the longitudinal axis of the basket.
- the yoke is then preferably inserted into the front side of the tube, for example from the back of the stranding unit. Particularly in combination with the basket longitudinal axis aligned in the direction of the stranding axis, this results in a particularly uncomplicated loading of the baskets with extruded material.
- a backup of the yoke in the tube in the axial direction is preferably carried out by means of a clamping lever, which is then arranged for example on the back of the basket and by means of which the yoke is clamped reversibly in the tube. Due to the simple rear accessibility then needs to change a coil only the clamping lever solved to take out the yoke from the tube and the coil to be replaced accordingly.
- the yoke preferably has a coil holder, which is also located for positioning the coil within the tube in a region between the two contact surfaces.
- a coil holder which is also located for positioning the coil within the tube in a region between the two contact surfaces.
- the coil holder expediently has two conical clamping heads, wherein only one of the clamping heads with respect to the yoke and along the basket longitudinal axis is displaceable.
- the clamping heads By means of the clamping heads, the coil is then axially clamped in the yoke and fixed.
- the conical clamping heads engage in correspondingly suitable recesses on the end faces of the coil.
- the displaceable clamping head for example via a thread, in particular a fine thread, rotatable and displaceable along the basket longitudinal axis.
- the displaceable clamping head in a particularly simple manner on the front side of the basket, in particular the rear side of the stranding accessible.
- the other chuck advantageously does not need to be accessible, a locking of the coil is carried out expediently only by means of the displaceable clamping head.
- At least one, preferably two pull-out rails are arranged on the tube, which enable a reversible insertion and removal of the yoke from the tube and in the direction of the longitudinal axis of the basket.
- the yoke is then in particular to the rear, i. the back of the tube extendable and then attached to the yoke coil then easily replaceable.
- An elaborate disassembly of the yoke and separation from the cage is advantageously not required here. Instead, to change first, a release of the clamping lever, then take off the yoke from the tube, finally releasing the coil holder and replacing the coil.
- the basket preferably has a deflection mechanism for the extruded from the coil strand material, which also deflects the strand material against bending in the direction of an end face of the basket, in particular in the direction of the front of the stranding.
- a deflection mechanism for the extruded from the coil strand material which also deflects the strand material against bending in the direction of an end face of the basket, in particular in the direction of the front of the stranding.
- the deflection mechanism therefore comprises a number of deflection elements, for example deflection rollers, by means of which the extruded material is guided and deflected, however, there is no further deflection in a deflection around a specific deflection axis in a specific deflection direction in the entire deflection mechanism an opposite direction.
- deflection elements for example deflection rollers
- the deflection mechanism suitably comprises a dancer guide, with a dancer which is displaceable in the stranding direction.
- the dancer comprises an adjusting element, by means of which at least one of the deflecting elements is displaceable in the stranding direction, and whereby a path length difference for the continuous material passing through the deflecting mechanism is adjustable.
- a pneumatic cylinder is suitable, which has a particularly well adjustable piston compressive force which is substantially constant over the entire adjustment range of the actuating element. Due to the high speed of the basket during operation, however, a supply of such a control element with compressed air is difficult.
- the actuator is designed as a magnetic spring, as a linear motor or as an exchangeable compression spring package.
- the expected length fluctuations during unwinding of the material to be stranded are so small that an adjusting element with traction force which is not constant along the adjustment range can still be used with sufficient accuracy and is also used.
- the coupling mechanism in this case has a coupling, which in turn has two wheels, namely a frame wheel rolling on the frame and a basket wheel driving the basket.
- the two wheels are firmly connected to each other via an intermediate shaft.
- the intermediate wave is led special parallel to the stranding and preferably passed through a wall of the cage and stored on this.
- the intermediate shaft is passed through a respective cage disc and also mounted on this, so in operation together with the cage around the stranding axis rotates around.
- the clutch then comprises two non-rotatably connected wheels, one wheel as a frame wheel is in operative connection with the fixed frame and the cage wheel with the basket.
- the two wheels are dimensioned according to their diameter and the ratio of the diameter to each other suitably.
- the frame wheel is formed as a sprocket and runs on a chain which is attached to the frame.
- the chain is mounted in particular on the inside of the frame, for example via flanged lugs.
- the chain is also used here as a static component, this is not subject to the usual restrictions in operation, for example, in terms of centrifugal forces or maximum speeds.
- the chain is a particularly inexpensive bolt chain.
- the basket wheel is designed as a pulley and drives a belt which rotates around the basket and engages a tooth contour, which is externally attached to the basket.
- the tooth contour is already formed during the manufacture of the tube on this, that is made in one piece with the tube.
- the size ratio of the basket wheel to the frame wheel is then calculated taking into account the diameter Sers of the basket and the diameter of the cage accordingly chosen such that there is a preferably vanishing relative rotational movement with respect to the frame for the cage, so a translation of one.
- the stranding unit has at least one guide element for guiding the strand material to the stranding nipple.
- the guide element is arranged in the stranding behind the cage, ie on the front and expediently runs in operation with the unwound extruded material to achieve the lowest possible relative movement of the strand against the guide element.
- the guide element has a guide surface which is made of such a material which generates the least possible friction in contact with the material of the strand material.
- the guide element is present in particular a preferably revolving support element and serves primarily to avoid damage to the strand by its own weight at a centrifugal load. The guide element is therefore in particular not a straight sheave
- the object is further achieved by a basket having the features according to claim 21.
- the basket has a tube which extends along and along a longitudinal axis of the basket and into which a yoke is inserted, for receiving a spool with stranded material wound thereon, wherein a deflection mechanism for the extruded material is arranged at the end, for unwinding in the lateral direction concerning the coil. Due to the frontal arrangement of the deflection of the basket in the radial direction builds little, which can significantly reduce the rotation of the basket during operation and equipped with a corresponding basket stranding unit is operated at a much higher speed.
- the yoke is used in particular on the front side in the tube, in particular on the opposite end face of the deflection mechanism of the tube.
- the coil is accessible in a particularly simple manner via the corresponding end face and replaceable.
- the yoke is pulled out of the tube on the back, for removing or inserting the coil and the deflection mechanism is arranged on the front side, so that the strand is unwound in operation front side and the deflection mechanism when changing the coil is not in the way.
- the deflection mechanism is a part of the yoke and therefore pulled out of the tube together with this, whereby a threading of the strand material in the deflection mechanism when inserting a coil is significantly simplified.
- FIG. 3 shows a detail of the stranding machine and a basket in a rear view
- FIG. 6a - 6c various views of a coupling mechanism of the stranding machine.
- FIGS. 1 a - 1 b a stranding machine 2 is shown in different views.
- 1 a shows the stranding machine 2 in a perspective rear view
- FIG. 1 b shows a perspective front view
- FIG. 1 c shows a side view
- FIG. 1 d again shows a perspective rear view and in the extended state.
- the stranding machine 2 comprises a frame 4 to which a frame 6 is fixed, in which a cage 8 is rotatably mounted is.
- a number of four baskets 10 are arranged, which are rotatably mounted with respect to the cage 8.
- the baskets 10 serve to receive bobbins 12 with extruded material 14 wound thereon.
- the stranding unit 2, or more precisely the cage 8, is driven by a drive motor 15 arranged outside and laterally of the frame.
- the stranded product 14 is unwound from the reels 12 by means of the stranding unit 2 and fed in a stranding direction V to a stranding point P at which the strands 14 are stranded into a stranded material 16.
- a stranding nipple (not shown here) is arranged at the stranding point P in particular.
- the stranding unit 2 shown here comprises a number of strand feedthroughs 17 for passing strands 14 which are unwound in front of the stranding unit 2, e.g.
- One of the strand feedthroughs 17 is guided centrally along the stranding axis VA and here serves in particular for feeding a strand 14 as a core inlet, which is e.g. from an upstream, not shown here Abler is provided.
- the cage 8 When the strands 14 are stranded, the cage 8 is rotated in a circumferential direction UR about a stranding axis VA, which extends in the stranding direction V. By rotation of the cage 8, the baskets 10 are moved on a turning circle DK about the stranding axis VA.
- the stranding is carried out additionally with a so-called reverse rotation, wherein in addition to the rotation of the baskets 10 around the stranding axis VA around each of the baskets 10 is additionally rotated about its own Korbl Kunststoffsachse KA.
- the rotation of a respective basket 10 takes place about its longitudinal axis KA, in particular in the opposite direction to the direction of rotation of the cage 8 in the frame 6.
- the cage 8 comprises a plurality of cage discs 18, which can be seen particularly clearly in Fig. 1 c.
- the cage discs 18 each have basket recesses 20, in which the baskets 10 are inserted.
- the cage 8 formed in this way is completely surrounded in the circumferential direction UR by the frame 6, which is formed in the embodiment shown by a number of rings 22.
- These rings 22 are here in particular designed as steel rings, which are fastened to the frame 4 and are arranged at different length positions L1, L2 along the stranding axis VA and in this way enclose a gap 24 in which the cage 8 is arranged.
- the baskets 10 are then inserted into the cage 8 in such a way that the coils 14 are arranged in the intermediate space 24 between the two outermost longitudinal positions L1, L2.
- the storage of the cage 8 in the frame 6 and the baskets 10 in the cage 8 takes place in the embodiment shown here by means of a number of frame bearing elements 26 and cage bearing elements 28. These are particularly clearly visible in Fig. 2 and Fig. 3.
- the frame bearing elements 26 and the cage bearing elements 28 are advantageously designed identically here, namely as rolling units 30, each having a number of two rollers 32, which are attached to an articulated arm 34 and an eccentric pin 36 on the frame 6 and the cage 8.
- the rollers 32 each have a concave tread, which rolls on a correspondingly convex counter surface in operation.
- correspondingly convexly formed cage running surfaces 38 are formed on the outer circumference, while the baskets 10 each have a number of convex bearing tracks 40 circumferentially.
- the baskets 10 are mounted by means of the cage-bearing elements 28 at a number of length positions L3 and the cage 8 is mounted on the frame 6 at a number of length positions L4 which substantially correspond to the length positions L3.
- a respective length position L3 with respect to a respective length position L4 only a small offset VL, which here corresponds to a width B of the bearing elements 26, 28, ie in particular approximately a width of the rollers 32.
- the frame bearing elements 26 are arranged in a lower region U of the stranding unit 2 more densely than in an upper region O. This can be seen in particular in FIG. 1a.
- the basket bearing elements 28 are arranged in the radial direction R to the outside particularly dense receiving the centrifugal forces acting outwardly denser than the stranding axis VA out. This is also particularly evident in Fig. 1 a but also in Fig. 3 can be seen.
- a basket 10 is shown in a perspective sectional view, which has a tube 42, in which a yoke 44 is inserted, for receiving a coil 12, not shown here.
- the tube 42 extends along the basket longitudinal axis KA and comprises a number of pull-out rails 46, via which the yoke 44 in the direction of the basket longitudinal axis KA hineinschiebbar in the tube 42 and can be pulled out of this. This pushing in and out takes place in particular on the back side of the tube 42, ie on the rear side RS of the stranding unit 2.
- FIG. 5 the tube 42 with the yoke 44 is shown in the inserted state. Clearly visible in FIG.
- the bearing tracks 40 arranged on a lateral surface 45, that is to say on the outer circumference of the tube 42, for unrolling the basket 10 on the cage bearing elements 28. Also clearly recognizable is the configuration which is convex in cross section. Starting from the KorblNicolsachse KA and in the radial direction R outwardly are formed in front of the bearing tracks 40 on the inside of the tube 42 at this conical Jochlager vom 48 for positive storage of the yoke 44. For this purpose, the yoke 44 has a corresponding number of bearing rings 49, with outwardly facing conical abutment surfaces 50. The form-fitting arrangement is clearly visible in particular in FIG.
- the contact surfaces 48, 50 are set at an angle W in order to be correspondingly conical and to allow an optimal positive locking.
- the contact surfaces 48, 50 are set in the same direction to the longitudinal axis KA out, so that a rear insertion is possible.
- a clamping lever 52 is arranged for locking the same, by means of which the yoke 44 is clamped in the tube 42.
- the yoke 44 comprises a coil receiving 54, which here has two in the direction of the basket longitudinal axis KA spaced conical clamping heads 56, between which the coil 14 is then clamped.
- the coil receptacle 54 is arranged between the contact surfaces 50 such that an inserted coil 14 is positioned between them and thus any radially with respect to the coil 14 acting centrifugal forces in an optimal manner via the contact surfaces 48, 50 initially on the cage bearing elements 28 on the cage. 8 and from there via the frame bearing elements 26 finally transferred to the frame 6.
- Any axial forces, ie forces in the direction of the basket longitudinal axis KA and the stranding axis V are thereby reduced to a minimum.
- the rear clamping head 56 is also here by means of a thread 57 along the Korbl Kunststoffsachse movable to clamp a coil 14 very safe. Due to the rear arrangement of this adjustable clamping head 56, this is also particularly easily accessible from the rear side RS of the stranding unit 2.
- the stock 14 is unwound from a respective spool 12 in the radial direction R and then deflected by a deflection mechanism 58 in the direction of stranding V and front side, that is conveyed out of the basket 10 via a front side S of the tube 42.
- the deflection mechanism 58 comprises a number of deflection elements 60, which are designed here as rollers.
- the deflection of the strand 14 takes place by means of the deflection mechanism 58 against bending, in order to avoid excessive mechanical stress of the strand 14.
- the deflection elements 60 each have a deflection axis UA, around which the strand material 14 is deflected in each case, wherein in the entire deflection mechanism 58 no deflection takes place in different directions about respective deflection axes UA with the same direction around.
- the deflection mechanism 58 comprises a dancer guide 62 with an actuating element 64 in order to ensure a length compensation of the possibly unevenly unwound strand 14 during operation.
- the adjusting element 64 is in particular designed such that a length compensation takes place in the direction of the basket longitudinal axis KA.
- the stranding 2 has a coupling mechanism 66 between the frame 6 and the baskets 10, which is clearly visible in Figs. 6a - 6c.
- this coupling mechanism 66 By means of this coupling mechanism 66, the rotation of the cage 8 is translated relative to the frame 6 in a rotation of the basket 10 relative to the cage 8.
- These wheels 70, 72 are rotatably connected to the intermediate shaft 68, so that there is a fixed translation.
- the basket wheel 70 rolls in operation on the frame 6, in the embodiment shown here on a chain 74 which is attached to one of the rings 22 of the frame 6.
- the basket wheel 72 then drives one of the baskets 10 via a belt 76.
- the ratio of the clutch 67 results inter alia from the ratio of the diameter D1, D2 of the wheels 70, 72.
- the ratio is selected such that the ratio is one and thus results in a reverse rotation of the basket 10 such that a respective basket 10 is moved relative to the frame 4 of the stranding unit 2 only on the turning circle DK, but is not itself rotated relative to the frame 4.
Landscapes
- Ropes Or Cables (AREA)
- Unwinding Of Filamentary Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015210572.5A DE102015210572A1 (de) | 2015-06-09 | 2015-06-09 | Verseileinheit für eine Verseilmaschine und Korb für eine Verseileinheit |
PCT/EP2016/063056 WO2016198464A1 (de) | 2015-06-09 | 2016-06-08 | Verseileinheit für eine verseilmaschine und korb für eine verseileinheit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3307938A1 true EP3307938A1 (de) | 2018-04-18 |
EP3307938B1 EP3307938B1 (de) | 2021-03-17 |
Family
ID=56345079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16734562.8A Active EP3307938B1 (de) | 2015-06-09 | 2016-06-08 | Verseileinheit für eine verseilmaschine und korb für eine verseileinheit |
Country Status (7)
Country | Link |
---|---|
US (1) | US10676864B2 (de) |
EP (1) | EP3307938B1 (de) |
JP (1) | JP6590953B2 (de) |
KR (1) | KR102028748B1 (de) |
CN (1) | CN107771230B (de) |
DE (1) | DE102015210572A1 (de) |
WO (1) | WO2016198464A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11124919B2 (en) * | 2018-04-04 | 2021-09-21 | Tensor Machinery Ltd. | System for fabricating stranded cable and control therefor |
CN109577050A (zh) * | 2019-01-23 | 2019-04-05 | 上海海事大学 | 卧式绳缆制股机 |
CN112960167B (zh) * | 2021-02-19 | 2024-06-07 | 江苏瑞悦医疗器械有限公司 | 一种壮医药线编织装置 |
US11796754B2 (en) | 2021-03-12 | 2023-10-24 | Corning Research & Development Corporation | System and method of controlling a strander by wireless visual monitoring of a subunit reel |
CN113223780B (zh) * | 2021-05-07 | 2022-06-28 | 合肥神马科技集团有限公司 | 一种线缆生产用同步绞合支撑装置 |
CN115522401B (zh) * | 2022-06-29 | 2024-06-18 | 南通市祥盛新材料有限公司 | 玻璃纤维纱架机构 |
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US1752115A (en) * | 1927-01-14 | 1930-03-25 | Durametallic Corp | Machine for manufacturing metallic packing |
US1866272A (en) * | 1930-03-01 | 1932-07-05 | Western Electric Co | Cable forming apparatus |
US2147165A (en) * | 1937-02-20 | 1939-02-14 | Rca Corp | Loaded antenna |
US2147065A (en) * | 1938-09-26 | 1939-02-14 | William E Somerville | High speed stranding or wire rope machine |
USRE21939E (en) * | 1939-01-07 | 1941-11-11 | Tubular wire strandemg machine | |
DE1004974B (de) * | 1953-09-24 | 1957-03-21 | Paul Wieghardt Dipl Ing | Schnellverseilmaschine |
CH338383A (de) * | 1954-11-22 | 1959-05-15 | Eisen & Stahlind Ag | Umlaufkörper für Schnellverseilmaschinen |
US2976669A (en) * | 1955-07-14 | 1961-03-28 | Celanese Corp | Apparatus for the production of cables |
US2944378A (en) * | 1959-01-30 | 1960-07-12 | Western Electric Co | Multi-unit binder |
GB935837A (en) * | 1960-02-27 | 1963-09-04 | B & F Carter & Company Ltd | Improvements in or relating to hoses, to a method of applying a protective cover to a hose, and to core wrapping machines |
US3130754A (en) * | 1960-11-30 | 1964-04-28 | American Chain & Cable Co | Push-pull cable casings |
DE1273378B (de) * | 1961-12-18 | 1968-07-18 | Kablo Kladno Narodni Podnik | Fuehrung und Antrieb eines Spulenkorbes fuer Verseilmaschinen |
DE1510106A1 (de) * | 1966-04-02 | 1970-03-26 | Kabel Metallwerke Ghh | Verseilmaschine |
US3448569A (en) * | 1968-02-15 | 1969-06-10 | Us Machinery | Cabling apparatus |
US3651629A (en) * | 1970-04-01 | 1972-03-28 | George R Webster | Cable forming machine |
DE2115349A1 (en) | 1971-03-30 | 1972-10-12 | Kraft, Anton, 5960 Olpe | Twisting array - to route rope strands in a course parallel to the machine axis |
DE2115249A1 (de) | 1971-03-30 | 1972-10-05 | Prym, Fritz, Prym, Uta, 5771 Rum beck | Schlitten |
JPS5217135B2 (de) * | 1972-08-05 | 1977-05-13 | ||
GB1445689A (en) * | 1972-11-24 | 1976-08-11 | Science Res Council | Methods of and apparatus for the manufacture of stranded cables |
DE7440528U (de) * | 1974-12-05 | 1976-11-18 | Felten & Guilleaume Kabelwerke Ag, 5000 Koeln | Vorrichtung zum verseilen von verseilelementen, insbesondere von adern oder adergruppen von kabeln |
US3955348A (en) * | 1975-02-03 | 1976-05-11 | Belden Corporation | Wire cabler |
DE2743807A1 (de) * | 1977-09-29 | 1979-04-05 | Krupp Gmbh | Verseilkorb mit um die drehachse des verseilkorbes angeordneten jochspulen |
JPS5745278Y2 (de) * | 1978-06-28 | 1982-10-05 | ||
US4253298A (en) * | 1979-02-07 | 1981-03-03 | Ceeco Machinery Manufacturing Limited | High speed cage fly-off strander |
IT1160833B (it) * | 1983-03-24 | 1987-03-11 | Pirelli Cavi Spa | Perfezionamento a procedimento ed impianto per la riunione di cavi elettrici multipolari |
EP0158761B1 (de) | 1983-07-26 | 1989-08-23 | Giorgio Targa | Verseilmaschine |
JPS6189392A (ja) | 1984-10-04 | 1986-05-07 | 古河電気工業株式会社 | 撚線機 |
DE3922862A1 (de) | 1989-07-12 | 1991-01-17 | Stolberger Maschf & Co Kg | Korbverseilmaschine |
US5282353A (en) * | 1991-11-01 | 1994-02-01 | Kellstrom Jr Gary E | Continuous self-neutralizing strander |
US5390481A (en) * | 1992-02-19 | 1995-02-21 | Shell Oil Company | Carousel assembly of helical tube bundles |
US5263309A (en) * | 1992-05-11 | 1993-11-23 | Southwire Company | Method of and apparatus for balancing the load of a cabling apparatus |
US5983617A (en) * | 1997-12-31 | 1999-11-16 | Siecor Corporation | Stranding machine for use in the manufacture of fiber optic cables |
DE19847958C2 (de) * | 1998-10-17 | 2000-11-30 | Fraunhofer Ges Forschung | Verfahren zur Herstellung von verdrillten Kabeln |
CN2718025Y (zh) * | 2004-05-12 | 2005-08-17 | 赵庭义 | 多功能制绳机 |
-
2015
- 2015-06-09 DE DE102015210572.5A patent/DE102015210572A1/de not_active Withdrawn
-
2016
- 2016-06-08 WO PCT/EP2016/063056 patent/WO2016198464A1/de active Application Filing
- 2016-06-08 JP JP2017563591A patent/JP6590953B2/ja active Active
- 2016-06-08 EP EP16734562.8A patent/EP3307938B1/de active Active
- 2016-06-08 CN CN201680033637.8A patent/CN107771230B/zh active Active
- 2016-06-08 KR KR1020187000614A patent/KR102028748B1/ko active IP Right Grant
-
2017
- 2017-12-11 US US15/837,416 patent/US10676864B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
KR20180019650A (ko) | 2018-02-26 |
US10676864B2 (en) | 2020-06-09 |
JP2018520271A (ja) | 2018-07-26 |
JP6590953B2 (ja) | 2019-10-16 |
CN107771230A (zh) | 2018-03-06 |
EP3307938B1 (de) | 2021-03-17 |
CN107771230B (zh) | 2021-03-02 |
KR102028748B1 (ko) | 2019-10-04 |
DE102015210572A1 (de) | 2016-12-15 |
US20180320312A1 (en) | 2018-11-08 |
WO2016198464A1 (de) | 2016-12-15 |
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