Classifications

• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46D—MANUFACTURE OF BRUSHES
  • A46D3/00—Preparing, i.e. Manufacturing brush bodies
  • A46D3/08—Parts of brush-making machines
  • A46D3/082—Magazines for bristles; Feeding bristles to magazines; Knot picking
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46D—MANUFACTURE OF BRUSHES
  • A46D3/00—Preparing, i.e. Manufacturing brush bodies
  • A46D3/04—Machines for inserting or fixing bristles in bodies

Definitions

• the invention relates to a dividing device for dividing bristle bundles from a bristle supply, the dividing device having a bristle magazine for receiving a bristle supply and a dividing disk which has at least two dividing notches on its circumference and for dividing bristle bundles from a bristle supply located in the bristle magazine with its at least two compartment notches can be moved past a removal opening of the bristle magazine. Furthermore, the invention also relates to a brush manufacturing machine with at least one such dividing device.
• Separating devices of the type mentioned are previously known from practice in various embodiments. They are used to separate bristle bundles from a supply of loose bristle filaments and to make them available for further processing to produce brushes, in particular toothbrushes.
• the so-called effective notch volume of the at least two compartment notches of the compartment disk of the compartment device determines the number of individual bristle filaments that can be divided into a bristle bundle with the compartment notches from the supply of loose bristle filaments.
• the number of individual bristle filaments in a divided bristle bundle or a bristle bundle taken from the bristle supply has a more or less large tolerance range.
• a large tolerance range can provide, for example, that a bristle bundle meets the requirements if it has 20 +/- 5 bristle filaments includes.
• a small tolerance range can provide that the bristle bundle can only be classified as okay if the bristle bundle comprises 20+/-1 individual bristle filaments.
• the object of the invention is therefore to provide a dividing device of the type mentioned at the outset with which these disadvantages can be avoided.
• a dividing device of the type mentioned is proposed, which has the means and features of the independent claim directed to a dividing device.
• the dividing device comprises an adjusting device which is set up for adjusting an effective notch volume of the at least two dividing notches available for dividing bristle bundles.
• the effective notch volume can be the volume of the compartment notches that is available when dividing bristle bundles from a supply of loose bristle filaments and ultimately also determines the number of bristle filaments that can be accommodated in the compartment notches when dividing.
• the adjustment device it is possible to adjust the effective notch volume of the dividing notches of the dividing disk as a function of the number of bristle filaments effectively contained in practice in a divided bristle bundle. If it is determined that the divided bristle bundles contain too few bristle filaments, the effective notch volume of the compartment notches can be adjusted accordingly, in particular increased, using the adjustment device. It is also possible in the opposite case, ie when a bristle bundle divided off using the compartment notches comprises too many individual bristle filaments, to reduce the effective notch volume of the compartment notches using the adjustment device.
• the adjusting device of the dividing device according to the invention thus makes it possible to influence the number of individual bristle filaments in divided bristle bundles by changing the effective notch volume of the dividing notches of the dividing disc. In this way, a new production of a partition disc that meets the specifications with regard to the number of bristle filaments taken out per divided bristle bundle, can be avoided.
• the setting device for setting the effective notch volume of the at least two dividing notches has at least one setting means that is movable relative to the dividing notches.
• the adjustment means can be moved relative to the compartment notches in such a way that the position of the adjustment means relative to the at least two compartment notches allows the effectively usable notch volume of the compartment notches to be changed as desired.
• the adjusting device for each dividing notch has an adjusting means that is movable relative to the respective dividing notch for adjusting the effective notch volume of the respective dividing notch.
• the adjustment means which may be multiple, are then set up for the individual adjustment of the effective notch volume of the respective compartment notch.
• the adjustment means may be individually and independently movable relative to the respective compartment notch.
• the at least one setting means of the setting device is a slide which can be displaced relative to the at least one dividing notch in order to set the effective notch volume of at least one of the dividing notches.
• the at least one slide can be displaceable in and/or on at least one of the compartment notches in order to change the effective notch volume of the at least one compartment notch.
• the slide(s) can be positioned on or in the compartment notches in such a way that the effective notch volume of the compartment notches changes accordingly.
• the at least one slide can be set up to be moved radially outwards into and/or onto the at least one compartment notch, in particular starting from a center point of the compartment disc.
• the dividing disk can have at least one sliding guide for the at least one slider.
• the sliding guide can be formed on or, if necessary, also inside the dividing disc. If the sliding guide is designed inside the dividing disc, for example as an inner sliding channel, the sliding guide can be well protected against dirt and/or damage.
• the sliding guide can, in particular, be oriented outwards in the radial direction, starting from a center point of the dividing disk, and/or can be designed as a linear sliding guide.
• the setting device can have at least one restoring means, for example a tension spring, against the restoring force of which the at least one slide moves for setting, in particular for reducing, the effective notch volume the at least two compartment notches, is displaceable relative to the compartment notches. Due to its restoring force, the restoring means can avoid a play of the slide, which could lead to an imprecise setting of the effective notch volume of the compartment notches.
• at least one restoring means for example a tension spring
• the restoring means it is provided that this applies a restoring force which is aligned in the radial direction towards a center point of the dividing disk.
• the at least one setting means for setting the effective notch volume of the at least two compartment notches can be moved steplessly. In this way, a stepless, or at least a very fine, adjustment of the effective notch volume of the compartment notches is possible.
• the adjustment device can have at least one displacement mechanism which is set up to displace the at least one adjustment means, in particular the at least one aforementioned slide, relative to the at least two compartment notches in order to set the effective notch volume of the at least two compartment notches as desired.
• the displacement mechanism is set up to individually displace the setting means assigned to the compartment notches.
• the at least one displacement mechanism has at least one spindle drive with a rotatable spindle and a spindle nut.
• the spindle nut can be connected via a lever to the at least one adjustment means, in particular to the at least one slide, in order to rotate the spindle and thereby cause it to be axially aligned with respect to the spindle To move movement of the spindle nut on the spindle relative to at least one compartment notch and thus change the effective notch volume of the compartment notch and set it as desired.
• the spindle drive can have an actuator for driving the spindle.
• an actuator for driving the spindle.
• the position of the at least one adjustment means can be easily changed relative to at least one compartment notch.
• a motor and/or also a manually operable turning handle and/or a hand wheel can be used as an actuator, which is/are drivingly connected to the spindle.
• the setting device can have a
• Lock mechanism which is adapted to lock the at least one adjustment in its adjusted position.
• the locking mechanism is set up to lock a rotational position of, for example, the previously mentioned spindle of a, for example, the previously mentioned spindle drive of the displacement mechanism.
• a releasable detent can be used as the locking mechanism, which prevents unintentional adjustment of the threaded spindle and thus unintentional adjustment of the adjustment means.
• the rotatable spindle of the spindle operation can have a fine thread or a normal thread, for example, so that, depending on the thread, a different fine adjustment of the position of the at least one adjustment means relative to at least one of the at least two compartment notches is possible.
• the setting device has a setting disk as at least one setting means.
• the Adjusting disk can have a number of adjusting notches, in particular at least two adjusting notches, which in number and/or arrangement and/or geometry and/or dimensions match the number and/or arrangement and/or geometry and/or dimensions of the at least two dividing notches of the dividing disk matches.
• the shim can thus in particular have at least two setting notches.
• the adjusting disk and the dividing disk of the dividing device are of identical design with regard to the at least two dividing notches and the at least two setting notches.
• the dividing disk and the adjusting disk can be circular disks and/or have the same diameter.
• the setting notches of the setting disk and the dividing notches of the dividing disk can be made to overlap.
• the greatest possible adjustable effective notch volume of the dividing notches can then be specified.
• the dividing notches and the setting notches initially overlap partially, which leads to a reduction in the effective notch volume of the dividing notches. In this way, a preferably stepless adjustment of the effective notch volume of the dividing notches of the dividing disc is possible.
• the adjusting dial can be rotatable relative to the dividing dial. This in particular about a common axis of rotation of the adjusting disk and the dividing disk.
• the common axis of rotation can in this case both through a center of the dividing disc and through a center of the shim.
• the focusing disk and/or the dividing disk can have a circular cross section, the cross sections of the focusing disk and the dividing disk preferably being identical.
• the shim may be rotatable relative to the dividing dial.
• a maximum effective notch volume can be present when the dividing notches of the dividing disk and the adjusting notches of the adjusting disk are arranged in complete overlap with one another. By shifting the adjustment notches relative to the compartment notches, the effective notch volume of the compartment notches can be changed and thus adjusted as desired.
• the adjustment device can have an adjustment means, for example an eccentric, for changing a relative rotational position of the dividing disk to the adjustment disk.
• the adjustment means can be part of a displacement mechanism of the adjustment device.
• the adjusting means can be rotatably mounted on the dividing disc and have an eccentric cam.
• the eccentric cam can be guided in a slot of the adjusting disk, preferably aligned in the radial direction on the adjusting disk. With the help of the eccentric cam and the elongated hole, a rotational movement of the adjusting means can be converted into a relative rotational movement between the dividing disk and the adjusting disk, and the effective notch volume of the dividing notches can thereby be adjusted.
• the setting device can have at least one setting indicator.
• the setting display can be set up to display a position of the at least one setting means and/or to display an effective notch volume of at least one of the at least two compartment notches. In this way, the respectively set notch volume of the dividing notches of the dividing disk of the dividing device can also be recognized from a distance.
• the dividing disk can have at least two dividing notches with different sizes, in particular with different widths, and/or with different geometries.
• bristle bundles of different geometry and/or size can be separated from a supply of loose bristle filaments.
• the dividing device can have a transport device which is set up to transport bristle bundles held ready in the at least two dividing notches to a downstream processing station
• the transport device can be set up to transport bundles of bristles by means of a vacuum.
• the transport device has a transport line for each of the dividing notches on the dividing disc, through which a bundle of bristles can be removed from the respective dividing notch by means of a vacuum and transported to a downstream processing station of a brush manufacturing machine.
• the processing station can, for example, be a processing station at which the bristle bundles are post-processed, for example milled and/or ground and/or connected to carrier plates and/or brush bodies.
• the dividing disk can preferably be designed as a circular disk. In order to save weight, it is possible for the dividing disk to have at least one material-free area.
• a brush manufacturing machine with the features of the independent claim directed to such a brush manufacturing machine is also proposed.
• a brush manufacturing machine with at least one dividing device according to one of the claims directed to such a device is proposed in particular.
• a dividing device which has a dividing disk with at least two dividing notches formed on its circumference.
• the dividing device has an adjustment device which is set up for setting the effective notch volume of the dividing notches available for dividing bundles of bristles.
• the invention is based on
• Show it: 1 shows a perspective view of a dividing device which has a dividing disc with a total of nine dividing notches formed on its circumference, the dividing device being equipped with an adjustment device for adjusting the effective notch volumes of its dividing notches,
• FIG. 2 shows the detail marked with the circle Kl in FIG. 1 in an enlarged representation, wherein it can be seen that the adjusting means of the adjusting device assigned to each compartment notch are inserted to different extents in the respective compartment notches, so that each of the compartment notches has a different effective notch volume,
• FIG. 3 shows the dividing device shown in FIG.
• FIG. 4 shows the detail marked with the circle K2 in FIG. 3 in an enlarged representation
• FIG. 5 shows a representation of the dividing disc of the dividing device shown in the previous figures which is broken away and partially sectioned in the edge area, wherein functional elements of the adjusting device can be seen on an upper flat side of the dividing disc,
• FIG. 6 shows a sectional side view of the functional elements of the compartment device shown in FIG. 5
• FIG. 7 shows a top view of a further dividing disc which can be used on the dividing device shown in the previous figures
• FIG. 8 shows a view from below of an adjusting means in the form of an eccentric with which a relative position of the adjusting disk shown in FIG. 9 to the dividing disk shown in FIG. 7 can be changed
• FIG. 9 shows a top view of an adjusting disk which, with regard to its adjusting notches, is identical to the dividing notches of the dividing disk shown in FIG.
• FIG. 10 shows a top view of the dividing disk from FIG. 7 arranged in complete overlap and the adjusting disk from FIG. 9, the eccentric from FIG placed in such a position that the adjustment notches and the compartment notches are located in complete overlap relative to each other so that a maximum effective notch volume of the compartment notches is available,
• FIGS. 11-13 show the two discs shown in FIG. 10 in different rotational positions relative to one another to illustrate the possibilities for setting the effective Notch volumes of the compartment notches of the compartment disk, as well as
• Figure 14 is a schematic view of a
• Brush manufacturing machine comprising a work station and a dividing device.
• FIGS. 1-14 show at least parts of a separating device designated 1 as a whole, which is set up for separating bristle bundles 2 from a bristle supply 3 .
• the dividing device 1 has a bristle magazine 4 for receiving a bristle supply 3 of loose bristle filaments and a dividing disk 5 .
• the dividing disk 5 has a plurality of dividing notches 6 on its circumference, in the exemplary embodiment shown in the figures a total of nine dividing notches 6 .
• the dividing disc 5 can be moved past a removal opening 7 of the bristle magazine 4 with its total of nine dividing notches 6 for dividing bristle bundles 7 from the bristle supply 3 in the bristle magazine 4 .
• the dividing device 1 has an adjusting device 8 which is set up for adjusting an effective notch volume of the dividing notches 6 that is available for dividing bristle bundles 2 .
• the setting device 8 has at least one setting means 9 that is movable relative to at least one of the compartment notches 6 .
• FIGS. 1-6 show setting means 9 in a first embodiment
• FIGS. 9-13 show setting means 9 in a second embodiment.
• the notch volumes of the individual compartment notches 6 can be specified individually by the setting means shown in FIGS. 1-6.
• the adjustment means 9 shown in Figures 9-13 the notch volumes of the compartment notches can be adjusted simultaneously and uniformly.
• the adjusting device 8 for adjusting the effective notch volumes of the total of nine dividing notches 6 has an adjusting means 9 in the form of a slide 10 that can be moved to the respective dividing notch 6 .
• the setting device 8 shown in Figures 1-6 dividing device 1 is set up for individually setting the effective notch volume of each of the 9 dividing notches 6 in total.
• the sliders 10 can be displaced relative to the compartment notches 6, respectively.
• the respective slide can be pushed radially outwards into the respective compartment notch 6 , starting from a center point 11 of the compartment disk 5 .
• the dividing disc 5 has a sliding guide 12 for each slide 10, which is formed within the dividing disc 5 in accordance with the sectional view of the dividing disc 5 in FIG.
• the adjusting device 8 of the dividing device 1 shown in FIGS. 1-6 has a restoring means 13 in the form of a tension spring for each slide 10 .
• the slides 10 can counteract the restoring force of the respective restoring means 13, which is aligned in the radial direction towards the center point 11 of the dividing disk 5, in order to adjust, in particular to reduce, the effective notch volume of the respective compartment notch 6 are shifted relative thereto.
• the restoring means 13 serve to keep the respective slides 10 positioned without play, whereby the set effective notch volume of the respective dividing notch 6 can be kept constant, even when the dividing disk 5 is moved to divide the bristle bundle 2 .
• All of the adjusting means 9 shown in the figures, including the adjusting means 9 shown in FIGS. 9-13, are steplessly movable for the stepless adjustment of the effective notch volume of the compartment notches 6.
• the setting device 8 has a displacement mechanism 14 which is set up to displace the respective setting means 9, in particular if it is designed as a slide 10, relative to the individual compartment notches 6.
• the displacement mechanism 14 includes a spindle drive 15.
• the spindle drive 15 includes a rotatable spindle 16, which is designed as a threaded spindle, and a spindle nut 17.
• the spindle nut 17 is connected via a lever 18 the adjusting means 9, here connected to the respective slide 10, in order to displace the adjusting means 9 by a rotation of the spindle 16 and a movement of the spindle nut 17 which is caused thereby and which is axial in relation to the spindle 16, relative to the respective compartment notch 6.
• the lever 18 is articulated, on the one hand, to the spindle nut 17 and, on the other hand, to the adjustment means 9, in particular to the slide 10.
• the axial movement of the spindle nut 17 on the rotatable spindle 16 of the spindle drive 15 can be converted into a sliding movement of the adjustment means 9 in order to adjust the effective notch volume of the respective compartment notch 6 as desired and if necessary even specify it individually for each compartment notch 6 .
• the spindle drive 15 includes an actuator 19 for driving the spindle 16.
• the actuator 19 can be designed as a motor and/or also as a manually operable rotary handle and/or as a manually operable hand wheel.
• the spindle 16 is designed as a threaded spindle and can have a thread whose pitch is selected depending on the adjustment range of the adjustment means 9 .
• spindle 16 It is possible to equip the spindle 16 with a normal thread or with a fine thread, for example.
• the adjustment device 8 also has a locking mechanism 20 .
• the locking mechanism 20 is set up to lock the respective setting means 9 in its set position in order to prevent the position of the setting means 9 from changing when the dividing disc 5 moves.
• the locking mechanism 20 shown in the figures is set up to lock a respectively set rotational position of the respective spindle 16 of the spindle drives 15 .
• the locking mechanism 20 has pawls 40 which prevent the spindle 16 from turning further unintentionally.
• Each setting means 9 shown in FIGS. 1-6 has its own locking mechanism 20 associated with it. This is advantageous and useful since each adjustment means 9 can be moved individually relative to the respective compartment notch 6 for the individual specification of the effective notch volume of the individual compartment notches 6 .
• FIGS. 7-13 serve to illustrate a further embodiment of an adjusting device 8.
• the adjusting device 8 shown in these figures has an adjusting disk 21 as at least one adjusting means 9.
• FIGS. 9-13, which show this shim 21, make it clear that the shim 21 has a number of setting notches 22, namely nine, which correspond to the compartment notches 6 of the compartment disc 5 in terms of number, arrangement, geometry and dimensions.
• the shim 21 has the same diameter as the dividing disc 5 and is, just like this, circular.
• the focusing disk 21 can be rotated relative to the dividing disk 5 , namely about the same axis of rotation, which runs both around the center 11 of the dividing disk 5 and through the center 39 of the focusing disk 21 .
• FIGS. 10-13 show the adjusting disk 21 below the dividing disk 5 in different rotational positions relative to the dividing disk 5 .
• the adjusting device 8 comprises an adjusting means 23, which is designed here as an eccentric and is part of a displacement mechanism 14 of the adjusting device 8 of this exemplary embodiment.
• the adjusting means 23 is shown in FIG. 8 and is rotatably mounted on the dividing disc 5 .
• the adjusting means 23 has an eccentric cam 24, which is guided in a radially aligned slot 25 of the shim 21 on the shim 21 in order to prevent a rotary movement of the To convert adjusting means 23 in a relative rotary movement of the dial 21 to the dividing disc 5.
• FIG. 10 shows the dividing notches 6 with their maximum effective notch volume.
• Figures 1-6 make it clear that the setting device 8 of the dividing device 1 shown there has a position display 26 for each setting means 9, which is set up to display the respective position of the respective setting means 9 and thereby to display the respectively set effective notch volume of the respective dividing notch 6 is.
• the dividing disc 5 of the dividing device 1 shown in FIGS. 1-6 has dividing notches 6 which differ from one another in terms of their size, namely their width, and/or in terms of their geometry. This can be seen in particular from FIG. It can be seen there that the compartment notch 6 at the top in the detail has a greater width than the other compartment notches 6 shown in the detail in FIG.
• the dividing device 1 shown in FIGS. 1-6 also includes a transport device 27 which is set up to transport the divided bristle bundles 2 held ready in the dividing notches 6 to a downstream processing station 29 of a brush manufacturing machine 28 .
• the transport device 27 is set up to transport the bristle bundles 2 to the downstream processing station 29 of the brush manufacturing machine 28 by means of a vacuum.
• the transport device 27 has a total of 9 transport lines 30, with the aid of which the bundles of bristles 2 can be removed from the compartment notches 6 and transported to the processing station 29 of the brush manufacturing machine 28.
• the processing station 29 can, for example, be a processing station at which the bristle bundles 2 are post-processed, for example milled and/or ground and/or connected to brushes to be produced with carrier plates and/or brush bodies.
• the dividing device 1 further comprises a counter-holder device 31 which has a movable counter-holder 32 which is assigned to the dividing disc 5 .
• the counter-holder 32 can be moved from the position shown in Figures 1 and 2, the dividing disc 5 closer to the position shown in Figures 3 and 4, spaced apart, in which the dividing notches 6 and positioned therein bundles of bristles 2 for transport using the
• Transport device 27 are released.
• Each of the total of nine dividing notches 6 of the dividing device 1 shown in Figures 1-6 is assigned a bundle pusher 33 of a pushing device 34, through which the bristle bundles 2 located in the dividing notches 6 are pressed radially outwards from the dividing notches 6 for transport with the aid of the transport device 27 can become.
• the dividing device 1 also includes a rotary drive 35 with which the dividing disk 5 can be rotated in order to divide the bristle bundles 2 from the bristle magazine 4 .
• the dividing device 1 also has counterparts 36 which engage the outer contour of the dividing disc 5 and are associated with the dividing disc 5 .
• the counterparts 36 each have an arcuate contour on their flanks associated with the dividing disk 5 , which serve to secure the bristle bundles 2 in the dividing notches when the dividing disk moves relative to the counterparts 36 .
• Separating device 1 has a corresponding material presser 37 with which the bristle supply arranged in the bristle magazine 4 can be subjected to the appropriate pressure. This favors the reliable and uniform removal of bristle bundles 2 from the bristle supply 3 of the bristle magazine 4 using the separating disc 5.

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• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Brushes (AREA)
• Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=81388779

Family Applications (1)

Country Status (6)

Family Cites Families (3)

• 2021
  • 2021-07-09 DE DE102021117793.6A patent/DE102021117793B4/de active Active
• 2022
  • 2022-03-29 EP EP22719276.2A patent/EP4366579A1/de active Pending
  • 2022-03-29 KR KR1020247000297A patent/KR20240033224A/ko unknown
  • 2022-03-29 WO PCT/EP2022/058329 patent/WO2023280450A1/de active Application Filing
  • 2022-03-29 CN CN202280041135.5A patent/CN117479864A/zh active Pending
  • 2022-05-06 TW TW111117192A patent/TW202302013A/zh unknown

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