US20230397717A1 - Device for feeding tufts of bristles, method for operating said device and brush manufacturing machine - Google Patents

Device for feeding tufts of bristles, method for operating said device and brush manufacturing machine Download PDF

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Publication number
US20230397717A1
US20230397717A1 US18/032,869 US202118032869A US2023397717A1 US 20230397717 A1 US20230397717 A1 US 20230397717A1 US 202118032869 A US202118032869 A US 202118032869A US 2023397717 A1 US2023397717 A1 US 2023397717A1
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US
United States
Prior art keywords
force
sliding
sensor
drive
bristle bundles
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Pending
Application number
US18/032,869
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English (en)
Inventor
Christian Graf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zahoransky AG
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Zahoransky AG
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Assigned to ZAHORANSKY AG reassignment ZAHORANSKY AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GRAF, CHRISTIAN
Publication of US20230397717A1 publication Critical patent/US20230397717A1/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/04—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/08—Parts of brush-making machines
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/08—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/04—Preparing bristles
    • A46D1/06—Machines or apparatus for cutting bristles
    • 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 device for feeding bristle bundles into receiving openings in target plates, comprising at least one sliding drive and at least one sliding pin for inserting a bristle bundle into a receiving opening of a target plate.
  • the invention also relates to a brush-producing machine having a device of this kind, and to a method for operating a device for feeding bristle bundles into receiving openings in target plates, comprising at least one sliding drive and at least one sliding pin for inserting a bristle bundle into a receiving opening in a target plate.
  • bristle bundles can be inserted individually, or also into groups, into receiving openings in a target plate.
  • the target plates equipped with bristle bundles may act as auxiliary means with which the bristle bundles can be fed to further processing steps which are to be carried out in order to produce the brush. It is also possible, however, to equip such target plates with devices of this kind with bristle bundles which themselves are intended to be part of a brush.
  • the problem addressed by the invention is that of providing a device, a brush-producing machine, and a method of the kind referred to above, by means of which the production of brushes can be simplified.
  • a device of the kind referred to above which has the means and features disclosed herein directed at a device of this kind.
  • a device for feeding bristle bundles into receiving openings in target plates with at least one sliding drive and at least one sliding pin for inserting a bristle bundle into a receiving opening in a target plate is therefore proposed, which is characterized in that the device has at least one sensor, by means of which a force transmitted by the sliding drive to the at least one sliding pin can be determined at least indirectly.
  • the at least one sensor may, for example, be a force sensor and/or a pressure sensor.
  • the at least one sensor may be a piezo-force transducer. A sensor of this kind is set up for the precise measurement of tensile and compressive forces in the highest resolution.
  • a device for feeding bristle bundles which makes it possible for the force transferred from the sliding drive to the sliding pin to be monitored.
  • force is a process parameter in the operation of a device of this kind which allows inferences to be drawn about various factors that can influence the process quality.
  • the force to be applied when operating the device may, for example, allow inferences to be drawn about the state of the device, about the bristle bundles to be inserted using the device, and/or about the insertion process. It is therefore possible to influence a brush production process in a targeted manner depending on the force determined using the at least one sensor.
  • an increased force can be detected at the beginning of the adjustment travel of the at least one sliding pin, this may indicate that the device is contaminated and needs cleaning. Furthermore, it is possible in this case for the at least one sliding pin and/or a guide for the sliding pin to be contaminated and/or worn.
  • An increased force in a rear or final region of the adjustment travel may indicate, for example, that the inserted bristle bundle is too long and is therefore already positioned against a limit stop of the device.
  • An increase in the force which is detected in a rear or final region of the adjustment travel and which exceeds a normal increase can therefore provide the impetus for monitoring an upstream process for producing the bristle bundles and, if appropriate, adapting a length of the bristle bundles to be inserted.
  • a force/path profile of this kind can be taken into account as a reference value for a corresponding assessment of the force.
  • the device may have a control unit which is set up for the automatic deactivation of the device, in particular of the at least one sliding drive, and is explained in greater detail below.
  • the device has at least one linear measuring unit. With the help of the linear measuring unit, it is possible to determine the adjustment travel of the at least one sliding pin.
  • a linear measuring unit can preferably be assigned to each sensor of the device.
  • the device has at least one linear measuring unit, it is possible with the help of the at least one sensor and the at least one linear measuring unit to create a force/path profile diagram which can benefit the analyses and evaluations already indicated previously, and also the measures derived therefrom.
  • filling level can be understood to mean a number of bristle filaments per bristle bundle. Also during no-load operation, in other words when no bristle bundles are being inserted into the target plate with the help of the device, but instead the sliding pin is moved without bristle bundles, the force which can be measured may indicate contamination of the device and/or a degree of wear of the device.
  • an increase in force can be determined at the beginning of the adjustment travel/sliding path of the sliding pin, this may indicate that a cutting device with which the bristle bundles are separated has become blunt.
  • a replacement and/or re-sharpening of the upstream cutting device, in particular of a cutting blade of an upstream cutting device, may then be indicated and initiated.
  • the force may also be expedient for the force to be monitored with the help of the at least one sensor when the at least one sliding pin of the device is withdrawn. Inferences can be drawn in relation to contamination and/or wear of the device based on a force/path profile which can be recorded during the withdrawal of the sliding pins.
  • the at least one sensor is arranged in the force-fit direction between the sliding drive and the at least one sliding pin. This can benefit the accuracy of the force measurement.
  • the force transmitted by the sliding drive to the at least one sliding pin then runs directly through the sensor.
  • the device according to the invention may have at least one pin package with a plurality of sliding pins. In this way, it is possible for a plurality of bristle bundles to be inserted simultaneously into receiving openings in a target plate. This can increase the efficiency of the device.
  • a pin package may have a number of sliding pins which correspond in terms of number and arrangement to receiving openings in a source plate and/or a target plate for bristle bundles of a bundle group.
  • the device may have a source plate. At least one receiving opening for a bristle bundle may be present in a source plate. In this way, the source plate can be used as an auxiliary means for feeding bristle bundles to the device and holding them in readiness. With the help of the at least one sliding pin of the device, a bristle bundle held in readiness in the source plate can be transferred from said source plate into a receiving opening in a target plate held in readiness.
  • the device may have at least one pin guide, for example a pin guide plate, which is arranged between the sliding drive and a source plate of the device, as already previously mentioned for example.
  • a pin guide plate which is arranged between the sliding drive and a source plate of the device, as already previously mentioned for example.
  • the pin guide it is possible to guide the at least one sliding pin of the device precisely.
  • the at least one sliding pin of the device can be arranged so as to be well-protected within the pin guide in the starting position.
  • the device In order to be able to adjust at least two sliding pins, in particular at least two pin packages of the device, using a sliding drive, it may be advantageous for the device to have a coupling means, in particular a coupling plate. Through this coupling means, a movement of at least two sliding pins, in particular of at least two pin packages, can be coupled to one another.
  • a coupling means of this kind also facilitates synchronous insertion of a plurality of bristle bundles.
  • the at least one sliding drive of the device may be a hydraulic, pneumatic or electromechanical linear drive, for example.
  • the device for each sliding drive has at least one sensor in each case.
  • the device In the case of devices which are provided for the insertion of different types of bristle bundles into receiving openings in a target plate, it may be expedient for the device to have at least one sensor for each type of sliding pin.
  • the device for each type of bristle bundle may also have its own type of sliding pin adapted to the type of bristle bundle.
  • the different types of sliding pins may differ from one another in terms of their shape, for example.
  • it is advantageous for the device to have at least one sensor for each type of sliding pin. Hence, for example, the degree of wear of a sliding pin of a given type or of a given nature can be monitored.
  • an amplifier In order to strengthen an output signal from the at least one sensor for evaluation and use in controlling the device, it may be advantageous for an amplifier to be assigned to the at least one sensor.
  • a digital industrial charge amplifier may be used as the amplifier, for example.
  • the device may have a control unit.
  • the control unit may be set up to actuate the at least one sliding drive, depending on a force determined by the at least one sensor. In this way, it is possible to perform the transfer of a bristle bundle into the receiving opening of a target plate, depending on the force. If it can be established with the help of the at least one sensor that a maximum permissible force has been exceeded, it is thereby possible to deactivate the device, in particular the at least one sliding drive of the device, in order to avoid damage to the device and/or to a brush-producing machine equipped with said device.
  • the device may be set up, in particular through its control unit, for the recording and/or output of force/path profiles and/or force/time profiles of the force. Furthermore, it is possible for the device to have an information output unit and/or an information output interface. On the information output unit of the device, it is possible to output operating information of the device for a user. Operating information, such as measurement data determined with the help of the at least one sensor, for example, can be output to an external unit, for example a computer or a smart device, such as a smart phone, via an information output interface.
  • an external unit for example a computer or a smart device, such as a smart phone
  • the device may have a communication interface for data exchange, for example with an external data store, for example with cloud storage.
  • the communication interface of the device may be a communication interface of the control unit of the device already mentioned previously. It is possible to connect the device to other, possibly structurally identical, devices via the communication interface. This may take place, for example, via a network-based data store, for example a cloud store.
  • the aforementioned sensor data of the at least one sensor of the device can also be provided at least indirectly for the operation, commissioning, maintenance and/or repair of comparable and/or identical devices.
  • a method of the kind referred to above is also proposed, which has one or more of the features disclosed herein directed at a method of this kind.
  • a method for operating a device for feeding bristle bundles into receiving openings of target plates with at least one sliding drive and at least one pin package with a plurality of sliding pins for inserting a bristle bundle into receiving openings of a target plate is therefore proposed in particular, in which a force of the sliding drive acting on the sliding pins, is determined at least indirectly using a sensor.
  • the force of the sliding drive monitored using the sensor is compared with a reference value.
  • a maximum permissible force may, for example, be taken into account as the reference value.
  • the method is carried out using a device according to the features disclosed herein directed at a device.
  • the at least one sliding drive of the device is deactivated when the force determined using the at least one sensor reaches, or exceeds, a reference value, for example a maximum permissible force. In this way, the device can be effectively protected from damage.
  • the force when the device is in no-load operation is determined with the help of the at least one sensor of said device. This may take place during the insertion and/or withdrawal of the at least one sliding pin of the device mentioned above and, above all, when no bristle bundle is inserted with the help of the at least one sliding pin into a receiving opening in a target plate which is held in readiness.
  • the force that can be determined during no-load operation may lead to inferences being drawn in relation to contamination and/or wear of the device.
  • the force that can be measured when the device is in no-load operation may also be compared with a reference value.
  • the reference value may be a force which can usually be measured when the device is uncontaminated and/or unworn. Wear and/or contamination of the device may be indicated as soon as the reference value is reached or exceeded, when the force is determined with the help of the at least one sensor, when the device is in no-load operation. A degree of contamination and/or a degree of wear of the device can then be inferred from the force that has been determined.
  • a request for cleaning and/or maintenance of the device is issued and/or cleaning and/or maintenance of the device is carried out when the force reaches or exceeds the reference value.
  • the request for cleaning and/or maintenance of the device may take place, for example, via an information output unit and/or information output interface of the device, in particular as already previously referred to.
  • a replacement and/or re-sharpening of a cutting blade by means of which bristle bundles are cut in an upstream method step, can be recommended and/or initiated.
  • a corresponding request for this can also be issued via the information output unit and/or information output interface of the device already mentioned above.
  • the output may be initiated automatically, for example, by the control unit of the device referred to previously.
  • the force determined using the at least one sensor can be recorded and supplied to other devices, in particular such devices having one or more of the features disclosed herein directed at a device of this kind, via a data store, in particular a cloud data store.
  • the force determined using the at least one sensor can be supplied, for example, in the form of force/path graphs and/or force/time graphs.
  • the aforementioned measurement data and/or diagrams can then also be assigned corresponding action instructions, which can be issued via the information output units and/or information output interfaces of comparable devices, in order to request maintenance, repair and/or cleaning, and/or the replacement of certain expendable parts or spares in the device, or to provide instruction on maintenance, repair and/or cleaning, and/or the replacement of certain expendable parts or spares in the device.
  • FIGS. 1 to 6 show different views of a first embodiment of a device for feeding bristle bundles into receiving openings of a target plate, wherein the device has two pin packages of sliding pins which are connected to a sensor and a sliding drive of the device via a coupling means,
  • FIG. 7 shows a second embodiment of a comparable device, wherein each of the two pin packages of the device in this case is assigned a sensor, and wherein the two pin packages of the device are moved via a common sliding drive,
  • FIG. 8 shows a third embodiment of a comparable device, wherein each of the two pin packages of the device is assigned a sensor and a sliding drive,
  • FIG. 9 shows a fourth embodiment of a device which is set up to introduce at least two different kinds of bristle bundles into receiving openings of a target plate, wherein the sliding pins provided for a first type of bristle bundles are coupled to one another via a first coupling means and are provided with a sensor of the device, while groups of sliding pins which are provided for the insertion of a second kind of bristle bundles are connected to one another, and to a second sensor of the device, via a second coupling means,
  • FIG. 10 shows a fifth embodiment of a comparable device, wherein in this case the different kinds of sliding pins, which are provided for the insertion of different kinds of bristle bundles, are each assigned a sensor and a sliding drive,
  • FIG. 11 shows an example of a force/path graph that can be generated using the sensors of the device shown in the previous figures.
  • the figures show parts of a device for feeding bristle bundles 2 into receiving openings 3 of target plates 4 , which is referred to as a whole as 1.
  • Each of the devices 1 shown has at least one sliding drive 5 and multiple sliding pins 6 for the insertion of bristle bundles 2 into the receiving openings 3 of the target plates 4 .
  • Each of the devices is equipped with at least one sensor 7 , by means of which a force of at least one sliding drive 5 can be determined at least indirectly when moving the sliding pins 6 .
  • the device 1 shown in FIGS. 1 to 6 has a linear measuring unit 8 , by means of which an adjustment travel of the sliding pins 6 of the device 1 monitored by the sensor 7 can be measured. In this way, it is possible for the device 1 to generate a force/path graph, as is illustrated by way of example in FIG. 11 , for example.
  • the figures show that the sensors 7 are arranged in the direction of force flow between the sliding drive 5 in each case and the sliding pins 6 , to which the sensors 7 are assigned. All sensors 7 are piezo-force transducers which are set up for the precise measurement of tensile and compressive forces in very high resolution.
  • a pin package 9 contains a number of sliding pins 6 which correspond in terms of number and arrangement to receiving openings 3 in a source plate 10 of the device 1 , by means of which the bristle bundles 2 are provided for insertion into the receiving openings 3 in the target plate 4 , and/or which correspond in terms of number and arrangement to receiving openings 3 in the target plate 4 for bristle bundles 2 of a bundle group.
  • the devices 1 shown in the figures are further equipped with a pin guide 11 which is designed as a pin guide plate.
  • the pin guide 11 in this case is arranged between the sliding drives 5 and the previously mentioned source plate 10 .
  • the devices 1 shown in FIGS. 1 to 6 , 7 and 9 have coupling means 12 , through which a movement of at least two sliding pins 6 of the sliding pins of a device 1 , in part of at least two pin packages 9 of a device 1 , are coupled to one another.
  • coupling plates act as coupling means 12 .
  • the sliding drives 5 of the devices 1 shown in the figures may be hydraulic, pneumatic and/or electromechanical linear drives.
  • a sensor 7 is provided in each case for each sliding drive 5 .
  • the devices 1 shown in FIGS. 9 and 10 are set up to fill each bristle field of the target plate 4 with two different kinds of bristle bundles 2 .
  • the device 1 according to FIGS. 9 and 10 has two different kinds of sliding pins 6 .
  • a sensor 7 is assigned in each case to each kind of sliding pin 6 .
  • the two upper sliding pins 6 of the device 1 shown in FIG. 9 are connected to one another via a coupling means 12 .
  • the upper sensor 7 of the two sensors 7 of the device 1 from FIG. 9 makes contact with the coupling means 12 of the two upper sliding pins 6 .
  • the pin packages 9 of the device 1 are also connected to one another via a corresponding coupling means 12 , with which a second sensor 7 of the device 1 is in contact.
  • a sensor 7 and a sliding drive 5 are assigned to each of the two pin packages 9 of the device 1 , as well as to each individual upper sliding pin 6 of the device 1 .
  • Each of the devices 1 has an amplifier 13 for each sensor 7 .
  • the sensors 7 are connected at least indirectly to a control unit 14 of the respective device 1 .
  • the control units 14 are set up to actuate the sliding drive or sliding drives 5 , depending on a force determined by the at least one sensor 7 of the respective device 1 .
  • the devices 1 are set up, in particular through their control units 14 , for the recording and/or output of force/path profiles.
  • a possible force/path profile is illustrated by way of example with the help of the diagram according to FIG. 1 .
  • an information output unit 15 and an information output interface 16 of the respective device 1 By means of an information output unit 15 and an information output interface 16 of the respective device 1 , data from the sensors 7 and, in particular, the previously mentioned force/path profiles or force/time profiles can be issued to a user or transmitted to an evaluation unit.
  • the information output unit 15 in each case comprises a display.
  • the devices 1 also have communication interfaces 17 for exchanging data with an external data store 18 .
  • the external data store may, for example, be a cloud store.
  • the communication interfaces 17 in this case may also be set up for wireless communication.
  • the devices 1 are part of a brush-producing machine 19 .
  • the previously described devices 1 are set up for carrying out the method described below for operating a device 1 for feeding bristle bundles 2 into receiving openings 3 in target plates 4 .
  • a force of at least one sliding drive 5 of the respective device 1 is determined using a sensor 7 .
  • the force can be compared with a reference value.
  • reference values have already been explained in the general description.
  • the force may also be determined during no-load operation of the respective device 1 . This is particularly true when inserting and/or withdrawing at least one sliding pin 6 of the respective device 1 . Here, too, a comparison can take place between the force determined and a reference value.
  • a request for cleaning and/or maintenance of the device 1 can be issued, for example via the information output unit 15 already mentioned above and/or the information output interface 16 already mentioned above of the device 1 . If the force exceeds the reference value, cleaning and/or maintenance of the device 1 can be carried out.
  • the graph according to FIG. 11 shows the tolerance range of the force over the adjustment travel or sliding path of the sliding pin or sliding pins 6 .
  • the graph comprises a total of three stacked force profile lines, wherein an upper of the three lines 20 represents an upper limit value of the force and a lower line 21 of the three lines represents a lower limit value of the force.
  • the third line 22 which runs between the two lines 20 and 21 , represents the force determined with the help of the at least one sensor 7 via the adjustment travel of the at least one sliding pin 6 .
  • the force determined using the sensors 7 can be recorded and provided via the data store 18 which has already been mentioned, in this case the cloud data store, of other devices 1 .
  • This is, for example, in the form of force/travel graphs, such as that shown in FIG. 11 , and/or in the form of force/time graphs.
  • the information supplied via the data store 18 can also be provided with action recommendations and/or instructions, for example with recommendations on when cleaning, maintenance, replacement of expandable parts and/or deactivation of the device are required.
  • the invention is concerned with improvements in the technical field of brush production.
  • a device 1 for feeding bristle bundles 2 into receiving openings 3 of a target plate 4 which has at least one sensor 7 .
  • the sensor 7 allows the force which is transmitted by a sliding drive 5 of the device 1 to at least one sliding pin 6 of the device 1 to be monitored.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Brushes (AREA)
US18/032,869 2020-12-11 2021-09-16 Device for feeding tufts of bristles, method for operating said device and brush manufacturing machine Pending US20230397717A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102020133115.0A DE102020133115A1 (de) 2020-12-11 2020-12-11 Vorrichtung zum Zuführen von Borstenbündeln, Bürstenherstellungsmaschine und Verfahren zum Betrieb einer Vorrichtung zum Zuführen von Borstenbündeln
DE102020133115.0 2020-12-11
PCT/EP2021/075409 WO2022122205A1 (de) 2020-12-11 2021-09-16 Vorrichtung zum zuführen von borstenbündeln, verfahren zu deren betrieb und bürstenherstellungsmaschine

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US20230397717A1 true US20230397717A1 (en) 2023-12-14

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Application Number Title Priority Date Filing Date
US18/032,869 Pending US20230397717A1 (en) 2020-12-11 2021-09-16 Device for feeding tufts of bristles, method for operating said device and brush manufacturing machine

Country Status (5)

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US (1) US20230397717A1 (de)
EP (1) EP4090196B1 (de)
CN (1) CN116056609A (de)
DE (1) DE102020133115A1 (de)
WO (1) WO2022122205A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9203928U1 (de) * 1992-03-24 1992-05-07 Fa. Anton Zahoransky, 7868 Todtnau Vorrichtung zum Messen, usw. bei einer Zunge eines Stopfwerkzeuges einer Bürstenherstellungsmaschine
DE10312016B4 (de) * 2002-12-11 2012-11-22 Anton Zahoransky Gmbh & Co. Vorrichtung zum Stopfen von Borstenbündeln in Bürstenkörper
DE102017123007A1 (de) * 2017-10-04 2019-04-04 Zahoransky Ag Verfahren und Vorrichtung zur Herstellung von Bürsten und/oder Pinseln

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DE102020133115A1 (de) 2022-06-15
EP4090196A1 (de) 2022-11-23
CN116056609A (zh) 2023-05-02
WO2022122205A1 (de) 2022-06-16
EP4090196B1 (de) 2023-04-19

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