CN109725604B - Hall tool rest control method, system and device - Google Patents
Hall tool rest control method, system and device Download PDFInfo
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- CN109725604B CN109725604B CN201910077182.5A CN201910077182A CN109725604B CN 109725604 B CN109725604 B CN 109725604B CN 201910077182 A CN201910077182 A CN 201910077182A CN 109725604 B CN109725604 B CN 109725604B
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Abstract
The application discloses a Hall tool rest control method, a system and a device, wherein a first signal for aligning magnetic steel in a rotary tool rest of a Hall tool rest with a position mark number in a Hall element and a second signal for locking the rotary tool rest are determined; determining a delay time period of the second signal compared to the first signal; when the rotary tool post is controlled to be locked, after a first signal that the magnetic steel in the rotary tool post is aligned with the position mark in the Hall element is received, the rotary tool post is controlled to continue to rotate reversely for a time delay period from the moment when the first signal is received, so that the rotary tool post is locked. By acquiring signals when the marks of each station in the Hall element are aligned with the magnetic steel of the rotary tool post and signals when the rotary tool post is locked, the time delay time period corresponding to the switching of different tool positions is determined. When a certain position needs to be switched, the magnetic steel of the rotary tool post is reversely rotated to the corresponding position mark position, and then the rotary tool post is reversely rotated for the second time according to the corresponding time delay period, so that the locking of the rotary tool post is realized.
Description
Technical Field
The application relates to the technical field of electrical control, in particular to a Hall tool rest control method, a Hall tool rest control system and a Hall tool rest control device.
Background
The numerically controlled lathe is one of the widely used numerically controlled machines at present. The cutting tool is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angles, complex rotary inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like.
The Hall tool rest is an important part of the numerical control lathe, the Hall tool rest of the numerical control lathe comprises Hall tool rests with 4 stations, 6 stations and 8 stations, and some numerical control lathes can be provided with Hall tools with more stations. The structural form of the tool rest can be divided into a rotary type and a straight-line type. The common use is rotary type, the cutter is arranged on a cutter rest along the circumferential direction, a radial lathe tool, an axial lathe tool, a drill bit and a boring cutter can be arranged, and an axial milling cutter and a radial milling cutter can also be arranged in a turning center. As shown in fig. 1, a 4-station hall tool rest is provided, in general, a tool post 1 rotates forward to search for a tool, the tool post 1 rotates backward to lock the tool post 1, and magnetic steel a on the tool post 1 aligns with any number of 1-4 on a hall element respectively during locking.
However, as the hall tool post is used for a longer time, due to the wear of mechanical parts, the low precision of the mechanical manufacturing of the tool post, and the like, when the magnetic steel a on the tool post 1 is aligned with any number of 1-4 on the hall element, the tool post 1 is in an unlocked state, and it may be necessary to align any number of 1-4 on the hall element with B on the tool post 1 to achieve the locking of the tool post 1. However, when the numbers 1-4 of the hall elements are aligned with a, the default tool post 1 is locked, and the current station signal cannot be found, so that the numerical control machine cannot work normally.
Disclosure of Invention
In order to solve the technical problems, the following technical scheme is provided:
in a first aspect, an embodiment of the present application provides a hall tool rest control method, where the method includes: determining a first signal of alignment of magnetic steel in a rotary tool post of a Hall tool rest and a station mark in a Hall element and a second signal of locking of the rotary tool post; determining a delay time period of the second signal compared to the first signal from the first signal and the second signal; and when the rotary tool post of the Hall tool rest is controlled to be locked, after a first signal that the magnetic steel in the rotary tool post is aligned with the position mark in the Hall element is received, the rotary tool post is controlled to continue to reversely rotate from the moment of receiving the first signal for the time delay period, so that the rotary tool post is locked.
By adopting the implementation mode, the signal when the mark of each station in the Hall element is aligned with the magnetic steel of the rotary tool post and the signal when the rotary tool post is locked are obtained, and the time delay time period corresponding to the switching of different tool positions is further determined. When a certain position needs to be switched, the magnetic steel of the rotary tool post is reversely rotated to the corresponding position mark position, and then the rotary tool post is reversely rotated for the second time according to the corresponding time delay period, so that the locking of the rotary tool post is realized.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the determining a first signal that magnetic steel in a rotary tool post of a hall tool rest is aligned with a position mark in a hall element and a second signal that the rotary tool post is locked includes: controlling the rotary tool post of the Hall tool rest to rotate reversely to perform locking operation, and when any station mark in the Hall element is aligned with the magnetic steel, determining a signal indicating that the magnetic steel is aligned with the station mark as the first signal; and continuously controlling the rotary cutter platform of the Hall cutter rest to rotate reversely, and determining the station signal as the second signal when receiving the station signal corresponding to the station label.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the determining, according to the first signal and the second signal, a delay time period of the second signal compared to the first signal includes: determining a first time instant at which the first signal is received and a second time instant at which the second signal is received; and determining the delay time period according to the first time and the second time.
With reference to the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, when the rotary tool post of the hall tool rest is controlled to perform locking, after a first signal that magnetic steel in the rotary tool post is aligned with a position mark in a hall element is received, the rotary tool post is controlled to continue to rotate reversely for the delay time period from a time when the first signal is received, so that the rotary tool post is locked, including: controlling the rotary cutter platform to reversely rotate once until the first signal is received, and recording the moment; and then controlling the rotary tool post to rotate reversely for the second time, timing from the end of the first rotation, and controlling the rotary tool post to stop rotating when the timing time period is equal to the delay time period.
With reference to the first aspect or any one of the first to third possible implementation manners of the first aspect, in a fourth possible implementation manner of the first aspect, there is a difference in a time delay period from alignment of different station marks in the hall element and the magnetic steel to locking of the rotary tool post in the hall tool rest.
In a second aspect, an embodiment of the present application provides a hall tool rest control system, which includes: the first determining module is used for determining a first signal of alignment of magnetic steel in a rotary tool post of the Hall tool rest and a position mark in a Hall element and a second signal of locking of the rotary tool post; a second determining module, configured to determine, according to the first signal and the second signal, a delay time period of the second signal compared to the first signal; and the control module is used for controlling the rotary tool post of the Hall tool rest to lock, and controlling the rotary tool post to continue to reversely rotate from the moment of receiving the first signal after receiving the first signal that the magnetic steel in the rotary tool post is aligned with the position mark in the Hall element, so that the rotary tool post is locked.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the first determining module includes: the first determining unit is used for controlling the rotary tool post of the Hall tool rest to rotate reversely to perform locking operation, and when any station mark in the Hall element is aligned with the magnetic steel, determining a signal of the alignment of the magnetic steel and the station mark as the first signal; and the second determining unit is used for continuously controlling the rotary cutter table of the Hall cutter rest to rotate reversely, and when receiving the station signal corresponding to the station label, determining the station signal as the second signal.
With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the second determining module includes: a third determining unit configured to determine a first time at which the first signal is received and a second time at which the second signal is received; a fourth determining unit, configured to determine the delay time period according to the first time and the second time.
With reference to the second possible implementation manner of the second aspect, in a third possible implementation manner of the second aspect, the control module includes: the first control unit is used for controlling the rotary cutter platform to reversely rotate once until the first signal is received and recording the moment; and the second control unit is used for controlling the rotary cutter platform to rotate reversely for two times, timing is carried out from the time when the one-time rotation is finished, and when the timing time period is equal to the delay time period, the rotary cutter platform is controlled to stop rotating.
In a third aspect, an embodiment of the present application provides a hall tool rest control device, including: a processor; a memory for storing computer executable instructions; the Hall tool holder control method of any of claims 1-5 when executed by the processor.
Drawings
FIG. 1 is a schematic structural diagram of a Hall tool holder in the prior art;
FIG. 2 is a schematic flow chart of a Hall tool rest control method provided by an embodiment of the present application;
FIG. 3 is a schematic diagram of a Hall tool holder control system provided by an embodiment of the present application;
fig. 4 is a schematic structural diagram of a hall tool rest control device provided in an embodiment of the present application.
Detailed Description
The present invention will be described with reference to the accompanying drawings and embodiments.
Fig. 2 is a hall tool rest control method provided in an embodiment of the present application, and referring to fig. 2, the method includes:
s101, determining a first signal of alignment of magnetic steel in a rotary tool post of the Hall tool rest and a station mark in the Hall element and a second signal of locking of the rotary tool post.
And controlling the rotary tool post of the Hall tool rest to rotate reversely to perform locking operation, and when any station mark in the Hall element is aligned with the magnetic steel, determining a signal indicating that the magnetic steel is aligned with the station mark as the first signal. And continuously controlling the rotary cutter platform of the Hall cutter rest to rotate reversely, and determining the station signal as the second signal when receiving the station signal corresponding to the station label.
The time delay period from the alignment of the rotary tool post in the Hall element and the magnetic steel to the locking of the rotary tool post is different. Taking the hall tool rest in fig. 1 as an example, assuming that the time delay period from alignment of the station number 1 in the hall element and the magnetic steel to locking of the rotary tool rest is 2s, when the hall tool rest needs to be changed, if the station number 2 corresponds to the time delay period, the time delay period from alignment of the station number 2 in the hall element and the magnetic steel to locking of the rotary tool rest is any one of 1s, 2s and 3 s. The foregoing is illustrative only, and other times are possible, and are not specifically set forth
S102, determining a time delay period of the second signal compared with the first signal according to the first signal and the second signal.
A first time instant at which the first signal is received and a second time instant at which the second signal is received are determined. And determining the delay time period according to the first time and the second time.
S103, when the rotary tool post of the Hall tool rest is controlled to be locked, after a first signal that the magnetic steel in the rotary tool post is aligned with the position mark in the Hall element is received, the rotary tool post is controlled to continue to rotate reversely from the moment when the first signal is received, and the delay time period is prolonged, so that the rotary tool post is locked.
When the tool needs to be changed, the rotating tool table is started to rotate forward to find the tool, and the forward rotation contactor works. And after the target tool number is found, the forward rotation contactor is stopped in a delayed mode so as to eliminate the mechanical clearance. After the forward rotation contactor is released, the reverse rotation locking is started in a delayed mode, the reverse rotation contactor works, and the forward rotation contactor can be reliably disconnected in the delayed mode to avoid arc short circuit.
And in the locking process, controlling the rotary cutter platform to reversely rotate once until the first signal is received, and recording the moment. And then controlling the rotary tool post to rotate reversely for the second time, timing from the end of the first rotation, and controlling the rotary tool post to stop rotating when the timing time period is equal to the delay time period.
As can be seen from the foregoing embodiments, the present embodiment provides a hall tool holder control method, including: determining a first signal of alignment of magnetic steel in a rotary tool post of a Hall tool rest and a station mark in a Hall element and a second signal of locking of the rotary tool post; determining a delay time period of the second signal compared to the first signal from the first signal and the second signal; and when the rotary tool post of the Hall tool rest is controlled to be locked, after a first signal that the magnetic steel in the rotary tool post is aligned with the position mark in the Hall element is received, the rotary tool post is controlled to continue to reversely rotate from the moment of receiving the first signal for the time delay period, so that the rotary tool post is locked. By acquiring signals when the marks of each station in the Hall element are aligned with the magnetic steel of the rotary tool post and signals when the rotary tool post is locked, the time delay time period corresponding to the switching of different tool positions is determined. When a certain position needs to be switched, the magnetic steel of the rotary tool post is reversely rotated to the corresponding position mark position, and then the rotary tool post is reversely rotated for the second time according to the corresponding time delay period, so that the locking of the rotary tool post is realized.
Corresponding to the Hall tool rest control method provided by the embodiment, the application also provides an embodiment of a Hall tool rest control system. Referring to fig. 3, the hall tool holder control system 20 includes: a first determination module 201, a second determination module 202, and a control module 203.
The first determining module 201 is used for determining a first signal of alignment of magnetic steel in a rotary tool post of the Hall tool rest and a position mark in a Hall element and a second signal of locking of the rotary tool post. A second determining module 202, configured to determine, according to the first signal and the second signal, a delay time period of the second signal compared to the first signal. And the control module 203 is used for controlling the rotary tool post of the Hall tool rest to lock, and controlling the rotary tool post to continue to reversely rotate from the moment of receiving the first signal after receiving the first signal that the magnetic steel in the rotary tool post is aligned with the position mark in the Hall element, so that the rotary tool post is locked.
Further, the first determining module 201 includes: a first determination unit and a second determination unit.
The first determining unit controls the rotary tool post of the Hall tool rest to rotate reversely to perform locking operation, and when any station mark in the Hall element is aligned with the magnetic steel, a signal that the magnetic steel is aligned with the station mark is determined to be used as the first signal. And the second determining unit is used for continuously controlling the rotary cutter table of the Hall cutter rest to rotate reversely, and when receiving the station signal corresponding to the station label, determining the station signal as the second signal.
The second determining module 202 includes: a third determining unit and a fourth determining unit.
The third determining unit is configured to determine a first time instant at which the first signal is received and a second time instant at which the second signal is received. The fourth determining unit is configured to determine the delay time period according to the first time and the second time.
The control module 203 includes: a first control unit and a second control unit.
The first control unit is used for controlling the rotary cutter platform to reversely rotate once until the first signal is received, and recording the moment. And the second control unit is used for controlling the rotary cutter platform to rotate reversely for two times, timing is carried out from the time when the one-time rotation is finished, and when the timing time period is equal to the delay time period, the rotary cutter platform is controlled to stop rotating.
The embodiment of the present application further provides a controller, referring to fig. 4, the hall tool holder control device 30 includes: a processor 301, a memory 302, and a communication interface 303.
In fig. 4, the processor 301, the memory 302, and the communication interface 303 may be connected to each other by a bus; the bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 4, but this does not indicate only one bus or one type of bus.
The processor 301 generally controls the overall functions of the hall tool holder control device 30, such as the starting of the hall tool holder control device 30, and the controlling of the hall tool holder to forward rotate to find, reverse rotate to lock, etc. furthermore, the processor 301 may be a general-purpose processor, such as a Central Processing Unit (CPU), a Network Processor (NP), or a combination of the CPU and the NP, the processor may also be a Microprocessor (MCU), the processor may also include a hardware chip, the hardware chip may be an Application Specific Integrated Circuit (ASIC), a programmable logic device (P L D), or a combination thereof, the P L D may be a complex programmable logic device (CP L D), a Field Programmable Gate Array (FPGA), etc.
The memory 302 is configured to store computer executable instructions to support the operation of the hall tool holder control device 30 data. The memory 301 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
After the hall tool holder control device 30 is started, the processor 301 and the memory 302 are powered on, and the processor 301 reads and executes the computer executable instructions stored in the memory 302 to complete all or part of the steps in the embodiment of the hall tool holder control method.
The communication interface 303 is used for transmitting data to the hall tool rest control device 30, for example, data communication with the experimental instrument, each liquid level sensor, the control valve and the like is realized, the communication interface 303 comprises a wired communication interface and also comprises a wireless communication interface, wherein the wired communication interface comprises a USB interface and a Micro USB interface and also comprises AN ethernet interface, and the wireless communication interface can be a W L AN interface, a cellular network communication interface or a combination thereof and the like.
In an exemplary embodiment, the hall blade holder control device 30 provided by the embodiments of the present application further comprises a power supply assembly that provides power to the various components of the hall blade holder control device 30. The power supply components may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to the hall blade holder control device 30.
A communication assembly configured to facilitate wired or wireless communication between the Hall tool holder control device 30 and other devices. The hall blade control device 30 may have access to a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. The communication component receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. The communication component also includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the hall tool holder control device 30 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), programmable logic devices (P L D), Field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, processors, or other electronic components.
The same and similar parts among the various embodiments in the specification of the present application may be referred to each other. In particular, for the system and apparatus embodiments, since the method therein is substantially similar to the method embodiments, the description is relatively simple, and reference may be made to the description of the method embodiments for relevant points.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Of course, the above description is not limited to the above examples, and technical features that are not described in this application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present application and not for limiting the present application, and the present application is only described in detail with reference to the preferred embodiments instead, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present application may be made by those skilled in the art without departing from the spirit of the present application, and the scope of the claims of the present application should also be covered.
Claims (8)
1. A hall tool holder control method, comprising:
confirm the first signal that the position mark number aligns among magnet steel and the hall element in the rotatory sword platform of hall knife rest with the second signal of rotatory sword platform locking includes: controlling the rotary tool post of the Hall tool rest to rotate reversely to perform locking operation, and when any station mark in the Hall element is aligned with the magnetic steel, determining a signal indicating that the magnetic steel is aligned with the station mark as the first signal; continuously controlling the rotary cutter table of the Hall cutter rest to rotate reversely, and determining the station signal as the second signal when receiving the station signal corresponding to the station label;
determining a delay time period of the second signal compared to the first signal from the first signal and the second signal;
and when the rotary tool post of the Hall tool rest is controlled to be locked, after a first signal that the magnetic steel in the rotary tool post is aligned with the position mark in the Hall element is received, the rotary tool post is controlled to continue to reversely rotate from the moment of receiving the first signal for the time delay period, so that the rotary tool post is locked.
2. The method of claim 1, wherein determining the delay period of the second signal compared to the first signal from the first signal and the second signal comprises:
determining a first time instant at which the first signal is received and a second time instant at which the second signal is received;
and determining the delay time period according to the first time and the second time.
3. The method according to claim 2, wherein when the rotating tool post of the hall tool post is controlled to be locked, after a first signal that magnetic steel in the rotating tool post is aligned with a position mark in a hall element is received, the rotating tool post is controlled to continue to rotate reversely for the delay time period from a time when the first signal is received, so that the rotating tool post is locked, the method comprises:
controlling the rotary cutter platform to reversely rotate once until the first signal is received, and recording the moment;
and then controlling the rotary tool post to rotate reversely for the second time, timing from the end of the first rotation, and controlling the rotary tool post to stop rotating when the timing time period is equal to the delay time period.
4. The method according to any one of claims 1 to 3, wherein the time delay period from the alignment of different station marks in the Hall element with the magnetic steel to the locking of the rotary tool post in the Hall tool holder is different.
5. A hall tool holder control system, comprising:
the first confirming module is used for confirming a first signal that magnetic steel in a rotary tool post of a Hall tool rest is aligned with a position mark in a Hall element and a second signal that the rotary tool post is locked, and the first confirming module comprises: the first determining unit is used for controlling the rotary tool post of the Hall tool rest to rotate reversely to perform locking operation, and when any station mark in the Hall element is aligned with the magnetic steel, determining a signal of the alignment of the magnetic steel and the station mark as the first signal; the second determining unit is used for continuously controlling the rotary cutter table of the Hall cutter frame to rotate reversely, and when the station signal corresponding to the station label is received, the station signal is determined to be the second signal;
a second determining module, configured to determine, according to the first signal and the second signal, a delay time period of the second signal compared to the first signal;
and the control module is used for controlling the rotary tool post of the Hall tool rest to lock, and controlling the rotary tool post to continue to reversely rotate from the moment of receiving the first signal after receiving the first signal that the magnetic steel in the rotary tool post is aligned with the position mark in the Hall element, so that the rotary tool post is locked.
6. The system of claim 5, wherein the second determining module comprises:
a third determining unit configured to determine a first time at which the first signal is received and a second time at which the second signal is received;
a fourth determining unit, configured to determine the delay time period according to the first time and the second time.
7. The system of claim 6, wherein the control module comprises:
the first control unit is used for controlling the rotary cutter platform to reversely rotate once until the first signal is received and recording the moment;
and the second control unit is used for controlling the rotary cutter platform to rotate reversely for two times, timing is carried out from the time when the one-time rotation is finished, and when the timing time period is equal to the delay time period, the rotary cutter platform is controlled to stop rotating.
8. A Hall tool rest control device, comprising:
a processor;
a memory for storing computer executable instructions;
the Hall tool holder control method of any of claims 1-4 when executed by the processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910077182.5A CN109725604B (en) | 2019-01-28 | 2019-01-28 | Hall tool rest control method, system and device |
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| CN201910077182.5A CN109725604B (en) | 2019-01-28 | 2019-01-28 | Hall tool rest control method, system and device |
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| CN109725604B true CN109725604B (en) | 2020-07-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248826C (en) * | 2004-05-10 | 2006-04-05 | 孙宝明 | Position control apparatus for electric knife holder of economical numerical control machine |
| CN200981295Y (en) * | 2006-08-17 | 2007-11-28 | 陈伟章 | Multi-station clamp equipped at inside diameter slicer |
| CN202162850U (en) * | 2011-05-11 | 2012-03-14 | 李超 | Fabric core conveyer belt cutting cutter-holding device |
| CN102909710B (en) * | 2011-08-06 | 2015-04-22 | 苏州宝时得电动工具有限公司 | Power tool |
| CN203806231U (en) * | 2014-04-15 | 2014-09-03 | 南京嘉旭机械制造有限公司 | Paper-plastic package quick knife heating system |
| CN205129169U (en) * | 2015-11-10 | 2016-04-06 | 长沙固鑫机械设备有限公司 | Automatic shutoff equipment of metal pipe port |
| DE102016201653A1 (en) * | 2016-02-03 | 2017-08-03 | Robert Bosch Gmbh | Hand tool with a tool change magazine |
| CN106160363A (en) * | 2016-07-28 | 2016-11-23 | 威海银河风力发电有限公司 | A kind of wind-driven generator magnet steel fitting machine |
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Granted publication date: 20200724 Termination date: 20210128 |