EP3969394A1 - Système de transport et procédé de transport - Google Patents

Système de transport et procédé de transport

Info

Publication number
EP3969394A1
EP3969394A1 EP20731799.1A EP20731799A EP3969394A1 EP 3969394 A1 EP3969394 A1 EP 3969394A1 EP 20731799 A EP20731799 A EP 20731799A EP 3969394 A1 EP3969394 A1 EP 3969394A1
Authority
EP
European Patent Office
Prior art keywords
transport system
transport
actuator
sensor
previous ones
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.)
Pending
Application number
EP20731799.1A
Other languages
German (de)
English (en)
Inventor
Yimin Gan
Rolf Hofbauer
Jochen Beck
Michael Thumm
Ludwig Albrecht
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.)
Homag GmbH
Original Assignee
Homag GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Homag GmbH filed Critical Homag GmbH
Publication of EP3969394A1 publication Critical patent/EP3969394A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/003—Cyclically moving conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/44—Belt or chain tensioning arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/02—Control or detection
    • B65G2203/0266—Control or detection relating to the load carrier(s)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating

Definitions

  • the invention relates to a transport system and a
  • Processing machines can be designed
  • the workpieces to be machined using one or more transport means through the machining area of a
  • Processing machine are transported.
  • Continuously running through one or more processing areas are also referred to as throughfeed machines.
  • a transport system that is used to transport the to
  • machining workpieces can be used through the machining area of a throughfeed machine is disclosed, for example, in EP 2377786 A1.
  • Transport system have transport structures that are in direct contact with the workpiece to be processed during transport, such as chains, belts or others
  • Circulation means of transport The one for transporting the workpieces necessary connection between the (circulating) transport and the workpiece can for example by the
  • the functionality, reliability and service life of a transport system with circulating transport means depends on many factors, such as the appropriate preload, position accuracy of the toothing and the degree of wear of the circulating transport system. These parameters change during operation due to the mechanical and
  • the object of the invention is to provide a transport system or a transport method that has a precise conveying operation, a high level of reliability and a long service life, as well as low maintenance costs.
  • this object is achieved by a
  • the invention is based on the idea of recognizing the causes of the above-mentioned problems at an early stage and actively influencing the system in order to eliminate or alleviate them.
  • the invention is based on the idea of recognizing the causes of the above-mentioned problems at an early stage and actively influencing the system in order to eliminate or alleviate them.
  • the invention is based on the idea of recognizing the causes of the above-mentioned problems at an early stage and actively influencing the system in order to eliminate or alleviate them.
  • the invention is based on the idea of recognizing the causes of the above-mentioned problems at an early stage and actively influencing the system in order to eliminate or alleviate them.
  • Transport system at least one sensor for detection
  • At least one actuator for influencing at least one state variable of the transport system.
  • the conveying operation of the transport system according to the invention can always be monitored, so that possible problems and possibly also their
  • the system can be actively influenced in order to Eliminate or at least mitigate problems and, if possible, their causes.
  • the vibration and noise emissions can be minimized due to the optimized chain pretensioning forces. Furthermore, the transport system offers an increase in
  • the at least one sensor can also be used to detect wear and special events such as brief force and tension peaks, and the transport system can be stopped automatically in this case. Preventive maintenance based on measurement data and statistical models can also be made possible.
  • the service life of the tool and the machining quality and machining precision of a workpiece to be machined increase.
  • the guide arrangement has at least two sections
  • the transport system according to the invention can have a large number of sensors. But it is special
  • the transport system comprises at least one first sensor for detecting a state variable which
  • the at least one circulating transport means is preferably selected from the pretensioning force, instantaneous load, elongation, displacement, speed and acceleration of the at least one circulating transport means.
  • the invention provides that the transport system has at least one second sensor for detecting the dynamic behavior of at least one section of the transport system, in particular the circulation transport means and / or the
  • At least one sensor is arranged on at least one circulation transport means around which
  • vibrations may have their cause in the area of the guide arrangement or whether and what influence the guide arrangement has on the
  • At least one actuator has an actuator that is able to control or regulate at least one state variable of the transport system (1) by applying force or position setting and is preferably selected from a pneumatic actuator, hydraulic actuator, electromagnetic actuator , Piezo actuator, threaded spindle, servo motor and linear motor.
  • an actuator as an "active" actuator, the dynamic properties of the transport system can be optimized particularly effectively, in which case the data determined by the at least one sensor can be accessed again. That way you get an active one
  • At least one actuator has an adjustable damping element whose
  • Damping properties are adjustable, in particular controllable or regulatable. In this way, too, the
  • Transport system can be specifically adapted to the respective requirements or to the respective operating parameters.
  • the at least one adjustable damping element fulfills a double function in that it always enables vibration damping of the transport system, but this damping behavior can be adapted actively and in a controlled manner in such a way that overall an optimal and always to the
  • At least one actuator is provided according to a development of the invention that the transport system a
  • control module which is set up, depending on a detection result of at least one sensor, the at least one actuator and / or at least one
  • Driving means for driving the rotary transport means control prefer to regulate.
  • the invention provides an active transport system which can be adapted quickly and effectively to the respective requirements and operating parameters. This makes a great contribution to solving the
  • control module is set up to control or regulate the at least one actuator at least temporarily with a frequency of at least 1 Hz.
  • a frequency of at least 10 Hz, particularly preferably at least 30 Hz when controlling or regulating.
  • possible vibrations or other undesirable effects are nipped in the bud, so that a completely new dimension of a precise, stable and low-maintenance transport process is achieved.
  • the at least one actuator is not only activated when the transport system is idle, but rather that the control module is set up to control or regulate the at least one actuator during a transport movement of the at least one circulating transport means. It is therefore not necessary to stop the machine in order to control the at least one actuator. Rather, according to this development, it is always possible to react flexibly to the respective operating parameters even during the conveying operation of a specific workpiece.
  • the at least one actuator can be activated as soon as a workpiece conveyed on the transport system comes into contact with a processing unit, so that itself
  • Transport system can be compensated. It lies
  • Transport system can also be a passive transport system, in which the objects to be transported are advanced in some other way, is according to a
  • Transport system a propulsion means to propel the Having circulation transport means. In this way, it can influence the transport operation of the
  • Transport system can be taken, for example, by the drive means is controlled or regulated on the basis of a detection result of the at least one sensor.
  • the circulating transport means can be designed in different ways within the scope of the present invention. According to a development of the invention, however, it is provided that the circulation transport means
  • link transport means such as in particular a transport chain and / or a belt. These circulation means of transport have proven themselves in practice. At the same time, the advantages of the
  • Transport system can be advantageously balanced.
  • the transport system has an interface that communicates with the control module and
  • Condition monitoring opens up, which allows maintenance and repair measures to be carried out much more specifically and thus with less impairment of the
  • predictive maintenance To plan and carry out production operations ("predictive maintenance"). In particular, potential maintenance and repair requirements can be identified at an early stage. Using the data from the at least one sensor, conclusions can be drawn about the state of wear of certain components so that, if necessary, an order for spare parts can be initiated in good time and a maintenance or repair date can be scheduled in the production process. This leads to a drastic increase in machine availability and
  • the database can be local within the scope of the invention
  • Transport system or possibly be networked with several machines. According to a further development of the invention, however, it is provided that the interface is set up via the Internet or another Remote data transmission connection with the database
  • the transport system has a display device which is designed to visualize data, in particular from the at least one sensor and / or actuator.
  • the data can be raw data and / or processed data. In this way, an operator is always informed about the current status of the transport system ("condition monitoring") and can, if necessary, the
  • a transport method according to the invention using the transport system according to the invention is the subject matter of claim 16. This is characterized in that at least one state variable is recorded during the actual transport process. It is therefore not necessary to stop the machine or carry out a special calibration operation.
  • the method enables immediate feedback, i.e. a control or regulation is carried out on a continuous basis during the transport operation, which the
  • Fig. 1 shows schematically a side view of a
  • Fig. 2 shows schematically a partial side view of a
  • Fig. 3 shows schematically a partial side view of a
  • a transport system 1 as an embodiment of the invention is shown schematically in a side view in FIG.
  • the transport system 1 is part of a processing device 100 which is used to process
  • Workpieces 2 is used.
  • the workpieces can be made of wood, wood-based materials,
  • the Machining device 100 has a machining unit 101 with a machining tool 102.
  • a machining unit 101 with a machining tool 102.
  • Processing device 100 are possible. It should also be noted that the transport device 1 also as
  • Transport system 1 can also be combined with completely different devices.
  • the transport system 1 comprises a circulation transport means 15, which in the present embodiment by a
  • Transport chain is formed.
  • other circulating transport means such as belts or the like can also be used.
  • Circulating transport means 15 is guided by a guide arrangement 4 and at the two free ends of the
  • the guide arrangement is constructed in several parts. As can be seen, for example, in FIG. 2, the guide arrangement can have a first section 6 and a second section 8.
  • Embodiment several sensors 10, 11 and 12, which for
  • a first sensor 11 is arranged on the first section 6 of the guide device 4 and is used to detect a pretensioning force or momentary load of the circulating transport means 15.
  • a second sensor 12 is on top of the second
  • Section 8 of the guide arrangement is arranged and serves to control the vibration behavior or dynamic behavior of the second section 8 of the guide arrangement and indirectly also to detect the circulation transport means 15.
  • Another sensor 10 is provided directly on or in the circulating transport means 15 and thus detects this directly
  • the transport system has a drive 14 for driving the circulating transport means 15.
  • the transport system 1 comprises an actuator 13, which in the present embodiment is arranged between the first section 6 and the second section 8 of the guide arrangement, wherein, as shown in FIG. 2, between the actuator 13 and the first section 6 of the guide arrangement 4 the first sensor 11 is still inserted.
  • the actuator 13 is used to influence one or more state variables of the transport system, for example by changing the clear distance between the first section 6 and the second section 8 of the guide arrangement 4 and thus acts directly on the pretensioning force or instantaneous load of the circulating transport means 15. In this way, however, not only can the tension of the circulating transport means be changed, but it can also be changed directly
  • the actuator 13 in the present embodiment is designed as an actuator, it being for example a pneumatic actuator,
  • hydraulic actuator piezo actuator, a threaded spindle, a servo motor or a linear motor.
  • the transport system 1 further comprises a control module such as one
  • Controller 30 which receives the data detected by sensors 10, 11 and 12 as input data and on this
  • the drive 14 also controls or regulates.
  • Controls or “regulates” is to be understood as meaning that in the simplest case it can be a control
  • the controller 30 operates in the present
  • Embodiment with a frequency of 10 Hz although other frequencies are also possible, for example in the range of at least 1 Hz up to 100 Hz or more.
  • the goal can be to minimize the vibrations occurring in the circulation transport means 15.
  • other goals can also be added, such as one
  • the control operation of the controller 30 can in principle take place at any point in time, the controller 30 in the present embodiment being set up to control the at least one actuator during a transport movement of the
  • Fig. 2 also shows a display device 50 which is used to display various data including that of the
  • the display device 50 can also serve to operate the machine or also have other functionalities.
  • the transport system 1 has a data interface 32 which communicates with the controller 30 and serves to send one or more state variables of the transport system 1 to a database 40
  • the database 40 is stored "in the cloud", i.e. the interface 32 communicates with the database 40 via the Internet or another suitable remote data transmission connection.
  • connection of the controller 30 to a database enables, on the one hand, targeted data collection and networking
  • Transport systems are derived that lead, for example, to minimized wear or vibrations. These compared data can then be played back to the controller 30 as control or regulation data in order to further optimize the operation of the transport system 1.
  • Transport system 1 is shown schematically in FIG. 3. This differs from that shown in FIG.
  • Embodiment primarily in that instead of the actuator 13 an adjustable (controllable or regulatable)
  • Damping element 20 is provided between the first section 6 and the second section 8 of the guide device 4. There is thus a less active actuator used, which is less on an adjustment of the distance between the first section 6 and the second section 8 of the
  • Section 8 of the guide arrangement 4 both an actuator and an adjustable damping element is provided, which can then be arranged, for example, in series one behind the other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Conveyors (AREA)

Abstract

L'invention concerne un système de transport (1) servant à transporter des pièces (2), qui sont constituées de manière préférée au moins par endroits de bois, de matériaux dérivés du bois, de matière plastique ou similaires. Le système de transport selon l'invention comporte : au moins un moyen de transport en périphérie (15) ; un ensemble de guidage (4) servant à guider le ou les moyens de transport en périphérie (15) ; au moins un capteur (10, 11, 12) servant à détecter au moins une grandeur d'état, en particulier la force de précontrainte et/ou la charge instantanée du ou des moyens de transport en périphérie (15) et/ou le comportement dynamique d'au moins une section (6, 8) du système de transport (1) ; et au moins un organe de réglage (13, 20) servant à exercer une incidence sur au moins une grandeur d'état du système de transport (1).
EP20731799.1A 2019-01-23 2020-05-14 Système de transport et procédé de transport Pending EP3969394A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102019101587 2019-01-23
DE102019112868.4A DE102019112868A1 (de) 2019-01-23 2019-05-16 Transportsystem sowie Transportverfahren
PCT/EP2020/063458 WO2020229598A1 (fr) 2019-01-23 2020-05-14 Système de transport et procédé de transport

Publications (1)

Publication Number Publication Date
EP3969394A1 true EP3969394A1 (fr) 2022-03-23

Family

ID=71402538

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20731799.1A Pending EP3969394A1 (fr) 2019-01-23 2020-05-14 Système de transport et procédé de transport

Country Status (6)

Country Link
US (1) US11866265B2 (fr)
EP (1) EP3969394A1 (fr)
JP (1) JP2022533130A (fr)
CN (1) CN113811421A (fr)
DE (1) DE102019112868A1 (fr)
WO (1) WO2020229598A1 (fr)

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CN112811090A (zh) * 2021-02-01 2021-05-18 无锡新松机器人自动化有限公司 剑栅输送设备及用于双侧板链精密传动的周期清零方法
DE102021113681A1 (de) * 2021-05-27 2022-12-01 Homag Gmbh Vorrichtung und Verfahren zum Veredeln eines Werkstücks
CN116409579A (zh) * 2021-12-31 2023-07-11 伊利诺斯工具制品有限公司 传送设备及其传送带的阻力装置
CN114408450B (zh) * 2022-02-28 2024-04-26 国能神东煤炭集团有限责任公司 一种胶带机安全启动方法、系统及存储介质
MX2022002791A (es) * 2022-03-04 2023-09-05 Cisneros Arturo Javier Santana Sistema automatico de tensado y alineacion de bandas en transportadores de bandas.

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Also Published As

Publication number Publication date
DE102019112868A1 (de) 2020-07-23
JP2022533130A (ja) 2022-07-21
US20220212877A1 (en) 2022-07-07
WO2020229598A1 (fr) 2020-11-19
CN113811421A (zh) 2021-12-17
US11866265B2 (en) 2024-01-09

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