WO2020135636A1 - 一种轮毂刀具管理系统和方法 - Google Patents

一种轮毂刀具管理系统和方法 Download PDF

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Publication number
WO2020135636A1
WO2020135636A1 PCT/CN2019/128891 CN2019128891W WO2020135636A1 WO 2020135636 A1 WO2020135636 A1 WO 2020135636A1 CN 2019128891 W CN2019128891 W CN 2019128891W WO 2020135636 A1 WO2020135636 A1 WO 2020135636A1
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Prior art keywords
tool
hub
life
information
laser
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PCT/CN2019/128891
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English (en)
French (fr)
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释修才
释雪晴
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释修才
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4065—Monitoring tool breakage, life or condition
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/36—Nc in input of data, input key till input tape
    • G05B2219/36291—Cutting, machining conditions by empirical equation, like tool life

Definitions

  • the invention belongs to the field of machine tool cutting tools, and particularly relates to a wheel hub cutting tool management system and method.
  • the tool life management mostly adopts the extensive method.
  • the tool is tested by the tool technician with the experience and timing of the tool, and the wear status of the tool is also evaluated by the experience value, but the technology
  • the personnel cannot accurately confirm whether the tool needs to be replaced, so the tool room often cannot prepare the tool in time, and a lot of time will be wasted when the tool needs to be replaced.
  • the tool life management in the modern sense is mostly based on the vision system, which requires a large investment.
  • a tool management system which discloses the following systems: the comparison of the measurement data of the tool with the tool compensation tool and the tool compensation value, to determine the tool damage, after the damage, skip the current tool, automatically call each tool; first, the tool must be set The tool group, tool number, tool compensation number and accurate tool compensation value of all tools in the library in the tool life management (ie tool management device).
  • the damage detection macro program 09663 pass Whether the comparison value M of the measurement data N of the tool setting tool and the tool compensation value H99 is greater than the damage tolerance Q, to determine whether the tool is damaged, set the spindle tool to reach the life, when M is greater than the damage difference Q , The system judges that the tool is damaged, and the function of automatically restarting after the tool is broken is developed on the horizontal machining center MDH8O. After the tool is damaged, the current program is stopped, the new workpiece is automatically exchanged for processing, and during the processing of the new workpiece , Automatically call the spare tool of the damaged knife.
  • the problem it cannot solve is that it calls the damage detection macro program 09663, whether the comparison value M of the measurement data N of the tool setting tool and the tool compensation value H99 is greater than the damage tolerance Q, to determine whether the tool is damaged,
  • This program relies on the detection switch to detect the wear value, and the detection switch needs to be installed at a fixed position on the machine tool, and the installation and maintenance are relatively cumbersome.
  • the present invention proposes a hub tool management system and method.
  • the first objective of the present invention is to propose a hub tool management system
  • the second objective is to propose a method for measuring the wear degree of hub tools
  • the third objective is to propose a Wheel hub tool management method.
  • a wheel tool management system includes a tool life management device, which is used to obtain information about the size of the wheel machining and obtain and store tool information, and then obtain the use of the wheel tool;
  • the knife connected to the tool life management device is provided with a knife device; the knife is provided with a knife device for judging whether a tool needs to be prepared according to the use status of the tool and experience life information, and after determining that a tool needs to be prepared, the tool preparation operation is performed, After the service life of the tool reaches the maximum value, use the spare tool to replace the tool;
  • a scanning device mounted on the ground robot connected to the tool life management device, the scanning device is used to scan the processing size of the processing hub during the process of the robot gripping the hub, and then the scan signal is fed back to the tool life management device in.
  • the acquired and stored tool information includes tool compensation value, spindle load factor, product processing size information, and tool wear value.
  • the described device includes a laser sensor, and the laser sensor includes a laser for emitting a laser signal and a laser detector for receiving the laser signal, and a measurement circuit.
  • the knife equipped with a knife device includes a tool setting instrument and a tool changing machine.
  • the tool changing machine performs tool changing first, and then the tool setting instrument performs tool setting.
  • a method for measuring the degree of wear of a hub tool includes the following steps:
  • the laser of the laser sensor emits laser light L1, L1 projected to the processing surface of the part, and reflects the laser light L2, the laser detector of the laser sensor detects this laser light L2, L1 and L2 has a time difference ⁇ , by calculating the time difference ⁇ to obtain product processing size information C;
  • the difference between L1' and L2' is defined as ⁇ 1, and the ⁇ 1 mapping value is the product size information C1, and C1 Map to D1;
  • the present invention gets rid of the traditional tool wear detection method, it is not necessary to set a detection point on the machine tool, and it is no better than directly detecting the wear state of the tool, but indirectly detecting the wear state of the part, and using a laser
  • the sensor performs detection, and its continuous operation characteristics ensure that it is not complicated to operate the spindle. This is reflected in the processing program.
  • the embodiments disclosed in the present invention avoid the calculation of coordinate values in the traditional measurement process, saving the processing process .
  • the tool wear value D1 has a value range of 0.1-0.3 mm.
  • ⁇ 1, C1, and D1 are stored tool information judgment thresholds.
  • a method for wheel hub management includes the following steps:
  • the scanning device installed on the grip of the ground robot will scan the processing size of the hub before the robot grips the hub from the processing machine;
  • the tool life management device presets the maximum tool life. After exceeding the maximum tool life, the scanning device signals are fed back to the tool life management device for tool preparation operation, and the alarm information is displayed at the same time.
  • the usage state of the tool is a normal working state, compare the tool information detected by the scan with the stored tool information to determine a threshold, and determine whether the remaining life of the tool is less than or equal to a preset life;
  • the invention is beneficial in that the application can monitor the tool life in real time, prepare the knife in time, and replace the visual system with a laser sensor, which reduces capital investment.
  • FIG. 1 is a system configuration diagram of Embodiment 1
  • FIG. 2 is a schematic diagram of the laser sensor of Embodiment 2
  • FIG. 3 is a flowchart of Embodiment 2
  • Fig. 4 shows the knife of the first embodiment equipped with a knife device.
  • Tool head In the picture, 1. Tool head; 2. Parts to be processed; 3. Spindle; 4. Ground rail robot; 5. Orbit; 10. Tool life management device; 20. Tool equipped with tool; 30. Tool scanning device, 40. Historical recording device; 50, laser sensor; 60, tool setting instrument; 70, tool changing machine.
  • a wheel tool management system provided by the present invention includes a tool life management device 10, and the knives respectively connected to the tool life management device 10 are provided with a knife device 20 and a scanning device mounted on the ground rail robot 4;
  • the scanning device is used to scan the processing size of the processing hub during the process of the robot gripping the hub, and then feed back the scanning signal to the tool life management device 10;
  • the scanning device includes a laser sensor, and the laser sensor includes a laser, a laser Detector and measurement circuit, the laser emits laser light through the surface of the object to be detected by the laser detector; the tool tip wears during processing, and when the degree of wear reaches the limit, the processing size becomes larger, and this change will be caused by the laser sensor Detected, the laser sensor receives the signal and sends the detection result to the tool life management device 10; in this embodiment, in order to realize the transmission of the signal received by the laser sensor to the tool life management device 10, the laser sensor and the tool life management The device 10 is electrically connected.
  • the tool life management device 10 is used to obtain the machining information of the wheel hub, and then to obtain the usage of the wheel cutter.
  • the tool information obtained and stored includes the tool compensation value, the spindle 3 load factor, the product machining size information, and the tool wear status. According to the tool information, the use status of the wheel machining tool is obtained.
  • the tool life management device 10 includes a processor, which is used to obtain the wheel machining size information and compare the size information with the stored tool information.
  • the knife is provided with a knife device 20, which is used to determine whether a knife needs to be prepared according to the use status of the tool and the experience life information, and after determining that the tool needs to be prepared, perform the tool preparation operation, and use Prepare a knife to replace a knife;
  • the knife equipped device 20 includes a tool changer and a tool setter.
  • the tool changer performs a tool change first, as shown in FIG. 4, the knife equipped device 20 uses a device commonly used in the art And will not be repeated here.
  • an alarm device is included in this embodiment.
  • the alarm device is electrically connected to the tool life management device 10, and the alarm device is controlled by the tool life management device 10 to issue an alarm signal.
  • the alarm device may be a speaker.
  • the present invention provides a hub tool management method.
  • the method includes the following steps:
  • the ground rail robot 4 When processing the hub on the production line, the ground rail robot 4 is installed on the guide rail.
  • the scanning device installed on the claw of the ground rail robot 4 will scan the processing size of the hub before the robot grips the hub from the processing machine; when the actual processing size becomes larger However, when the machining limit is not exceeded, it indicates that the cutting tool is worn to the end; the preset margin limit is exceeded. After exceeding the margin limit, the scanning device signal is fed back to the tool life management device 10 for tool preparation operation, and the tool management system displays an alarm message.
  • This embodiment provides a specific example of using this embodiment to implement hub tool management, as follows:
  • D is the tool wear state.
  • the way to obtain D is to detect the processing state of the part through the laser sensor.
  • the principle is that the laser of the laser sensor emits laser light L1, and L1 is projected onto the processing surface of the part , And reflect the laser light L2, the laser detector of the laser sensor detects this laser light L2, L1 and L2 have a time difference ⁇ , the product processing size information C can be obtained by calculating the time difference; when continuous L1 and L2 are transmitted and received, it can Obtain more accurate product processing size information C; further, when the tool tip wears to a certain degree, for example, the tool tip wears to the maximum value D1 within the usable range, define the difference between L1' and L2' at this time is ⁇ 1 , The mapping value of D1 is ⁇ 1, and ⁇ 1 is mapped to the product size information C1, when Dn ⁇ D1, the tool has reached its maximum life; in this process, the tool compensation value A and the spindle 3 load rate B according to the conventional way Calculation
  • A is the current tool length compensation value
  • the tool length can be measured by the measuring instrument or the tool length measurement function provided by the machine tool and then stored in the tool compensation table.
  • the system variables P1 ⁇ Pn are used to save the tool compensation value of each tool, and the A value is obtained by reading the variable corresponding to the current tool length compensation value in this group of variables using a macro program.
  • D1 is the maximum value of tool wear (comparison threshold), which is related to the wear degree of the tool in the actual machining process, the load factor B of the spindle 3 and other factors. It can be selected according to the actual situation, generally 0.1 to 0.3mm. After the D1 value is determined, it should be stored in a macro variable that can be retained after power-off (the storage location is Pm), so that it can be read in the macro program.
  • the machine tool alarm prompts the operator to reset the tool compensation value or replace the tool.
  • the initial tool length can be stored in the tool compensation table as the tool compensation value in advance, it is sufficient to compare the newly measured tool length with the tool compensation value.
  • the present invention is beneficial in that the application can monitor the tool life in real time, and prepare the tool in time, and replace the vision system with a laser sensor, reducing capital investment.
  • the features of the present invention focus on the process of detecting the tool.
  • the present invention gets rid of the traditional tool wear detection method, and it is not necessary to set a detection point on the machine tool. Detects the wear state of the tool, but indirectly detects the wear state of the part, and uses a laser sensor to detect. Its continuous operation characteristics ensure that it is not complicated to operate the spindle 3, which is reflected in the machining program.
  • the calculation of coordinate values in the traditional measurement process is avoided, and the processing procedure is saved.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)

Abstract

一种轮毂刀具管理系统，包括刀具寿命管理装置（10），与刀具寿命管理装置（10）连接的刀具备刀装置（20）；及，与刀具寿命管理装置（10）连接的安装在地轨机器人（4）上的扫描装置（30），扫描装置（30）用于在机器人（4）夹取轮毂的过程中扫描加工轮毂的加工尺寸，之后将扫描信号反馈到刀具寿命管理装置（10）中。通过本管理系统，可以实现非接触式测量轮毂加工程度，进而判断刀具磨损情况，从而自动判断是否需要换刀。

Description

一种轮毂刀具管理系统和方法 技术领域
本发明属于机床刀具领域，具体涉及一种轮毂刀具管理系统和方法。
背景技术
在传统CNC(计算机数字控制机床)中，刀具寿命管理多采用粗放型方式，除了断刀靠技术人员经验和定时对刀具进行对刀仪检测外，刀具的磨损状况也靠经验值评估，但是技术人员无法准确的确认是否需要进行刀具更换，因此刀具室往往不能及时备刀，需要更换刀具时会有大量时间浪费。同时，现代意义上的刀具寿命管理多是依据视觉系统完成，投入大。
现有的公开文献中，【“卧式加工中心MDH80的刀具破损自动重启功能”童文利等，《制造技术与机床》，第11期，第.64-65页，2008年1月】公开了一种刀具管理系统，其公开了包括以下系统：对刀仪对刀具的测量数据和刀补值的比较，判断刀具破损，破损后，跳过当前刀具，自动调用各用刀具；首先必须设定刀库内的所有刀具在刀具寿命管理(即刀具管理装置)中的刀具组，刀具号、刀补号和准确的刀补值，加工子程序中，刀具切削后，调用破损检测宏程序09663，通过对刀仪对刀儿的测量数据N和刀补值H99的比较值M是否大于破损允差量Q,来判斯刀具是否破损，将主轴刀具设成寿命到达，当M大于破损化差量Q，系统判断刀具破损，在卧式加工中心MDH8O上开发了刀具破报后自动重起的功能，能在刀具破损后，停止加工当前程序，自动交换新工件进行加工，在新工件的加工过程中，自动调用破损刀其的备用刀具。其不能解决的问题在于，其通过调用破损检测宏程序09663，通过对刀仪对刀的测量数据N和刀补值H99的比较值M是否大于破损允差量Q,来判斯刀具是否破损，这种程序依靠的是检测开关对磨损值进行检测，而检测开关需要安装在机床上的固定位置，安装维护比较繁琐。
针对以上问题，本发明提出了一种轮毂刀具管理系统和方法。
发明内容
针对现有技术方案中存在的问题，本发明第一种目的是提出了一种轮毂刀具管理系统，第二种目的是提出了一种轮毂刀具磨损程度测量方法，第三种目的是提出一种轮毂刀具管理方法。
一种轮毂刀具管理系统，包括，刀具寿命管理装置，所述刀具寿命管理装置，用于获 取轮毂加工尺寸信息及获取并存储刀具信息，进而得到轮毂刀具的使用情况；
与刀具寿命管理装置连接的刀具备刀装置；所述刀具备刀装置，用于根据刀具的使用状态和经验寿命信息判断是否需要备刀，并在确定需要备刀后，执行备刀操作，在刀具的使用寿命达到最大值后，利用备刀更换刀具；
及，与刀具寿命管理装置连接的安装在地轨机器人上的扫描装置，所述扫描装置用于在机器人夹取轮毂的过程中扫描加工轮毂的加工尺寸，之后将扫描信号反馈到刀具寿命管理装置中。
进一步的，所述获取储存的刀具信息包括刀具补偿值、主轴负载率、产品加工尺寸信息以及刀具磨损值。
进一步的，所述所描装置包括激光传感器，所述激光传感器包括用于发射激光信号的激光器和用于接收激光信号的激光检测器，以及测量电路。
进一步的，所述刀具备刀装置包括对刀仪和换刀机器，换刀机器先进行换刀，对刀仪再进行对刀。
一种轮毂刀具磨损程度测量方法，包括以下步骤：
激光传感器的激光器发射激光L1，L1投射至零件的加工面，并反射激光L2，激光传感器的激光检测器检测此激光L2，L1和L2之间具有时间差φ，通过计算时间差φ获得产品加工尺寸信息C；
当刀尖磨损到一定程度时，刀尖磨损至可用范围内的刀具磨损最大值D1，定义此时的L1’与L2’的差值为φ1，使φ1映射值为产品尺寸信息C1，同时C1映射到D1；
当刀具磨损值值Dn≥D1时，刀具寿命已经达到最大值。
与传统的自动更换刀具程序相比，本发明摆脱了传统的刀具磨损检测手段，不必在机床上设置检测点，也不比直接检测刀具的磨损状态，而是间接检测零件的磨损状态，而且使用激光传感器进行检测，其连续作业的特性保证了不比对主轴进行复杂的操作，这体现在加工程序中，本发明所公开的实施例均避免了传统的测量过程中的坐标值计算，节约了加工工序。
进一步的，所述刀具磨损值D1得取值范围是0.1～0.3mm。
进一步的，所述φ1、C1、D1为存储的刀具信息判断阈值。
一种轮毂刀具管理方法，包括如下步骤：
在生产线进行轮毂加工时，安装在地轨机器人手爪上的扫描装置会在机器人从加工机 床夹取轮毂前先行扫描轮毂的加工尺寸；
刀具寿命管理装置预设刀具寿命最大值，超过刀具寿命最大值后扫描装置信号反馈到刀具寿命管理装置进行备刀操作，同时展示报警信息。
进一步的，在所述刀具的使用状态为正常工作状态时，比较扫描检测到的刀具信息和存储的刀具信息判断阈值，判断所述刀具剩余的寿命是否小于或者等于预设寿命；
在所述刀具剩余的寿命小于或者等于预设寿命时，确定需要备刀；在所述刀具剩余的寿命是大于所述预设寿命时，确定不需要备刀。
本发明的有益之处在于：本申请可以实时监控刀具寿命，并及时备刀，用激光传感器来代替视觉系统，减少了资本投入。
附图说明
图1为实施例1系统构成图，
图2为实施例2激光传感器原理图，
图3为实施例2流程图，
图4为实施例1刀具备刀装置。
图中，1、刀头；2、待加工零件；3、主轴；4、地轨机器人；5、轨道；10、刀具寿命管理装置；20、刀具备刀装置；30、刀具扫描装置，40、历史记录装置；50、激光传感器；60、对刀仪；70、换刀机器。
具体实施方式
应该指出，以下详细说明都是例示性的，旨在对本申请提供进一步的说明。除非另有指明，本文使用的所有技术和科学术语具有与本申请所属技术领域的普通技术人员通常理解的相同含义。
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本申请的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。
需要指出的是，以下实施例中的方位用词是根据附图进行描述的。
实施例1
本发明提供的一种轮毂刀具管理系统，包括刀具寿命管理装置10，分别与刀具寿命管理装置10连接的刀具备刀装置20及安装在地轨机器人4上的扫描装置；
所述扫描装置用于在机器人夹取轮毂的过程中扫描加工轮毂的加工尺寸，之后将扫描信号反馈到刀具寿命管理装置10中；所述扫描装置包括激光传感器，所述激光传感器包括激光器、激光检测器和测量电路，所述激光器发射出激光经过物体表变反射由激光检测器检验到；加工时刀尖磨损，当磨损程度到达极限值时，加工尺寸变大，这一变化会被激光传感器检测到，激光传感器接受信号并将探测结果发送至刀具寿命管理装置10；在本实施例中，为了实现将激光传感器接收到的信号传递给刀具寿命管理装置10，所述激光传感器与刀具寿命管理装置10电连接。
其中所述刀具寿命管理装置10，用于获取轮毂加工尺寸信息，进而得到轮毂刀具的使用情况，获取、储存的刀具信息包括刀具补偿值、主轴3负载率、产品加工尺寸信息以及刀具磨损状态，并根据刀具信息得到轮毂加工刀具的使用状态；所述刀具寿命管理装置10包括处理器，处理器用于获取轮毂加工尺寸信息并将尺寸信息与其存储的刀具信息进行对比。
其中所述刀具备刀装置20，用于根据刀具的使用状态和经验寿命信息判断是否需要备刀，并在确定需要备刀后，执行备刀操作，在刀具的使用寿命达到最大值后，利用备刀更换刀具；所述刀具备刀装置20包括换刀机器和对刀仪，换刀机器先进行换刀，如图4所示，所述述刀具备刀装置20采用本领域中常用的装置，在此不再赘述。
为了实现报警功能，本实施例中包括报警装置，报警装置电连接所述刀具寿命管理装置10，报警装置受刀具寿命管理装置10控制发出报警信号。报警装置可以是扬声器。
实施例2
本发明提供一种轮毂刀具管理方法，该方法包括如下步骤：
在所述刀具的使用状态为正常工作状态时，根据所述扫描检测信息和以往经验寿命信息判断所述刀具剩余的寿命是否小于或者等于预设寿命；
在所述刀具剩余的寿命小于或者等于预设寿命时，确定需要备刀；在所述刀具剩余的寿命是大于所述预设寿命时，确定不需要备刀；
在生产线进行轮毂加工时，地轨机器人4安装与导轨上，安装在地轨机器人4手爪上的扫描装置会在机器人从加工机床夹取轮毂前先行扫描轮毂加工尺寸；当实际加工尺寸变大，但不超过加工极限时，预示加工刀具到头磨损；预设余量极限，超过余量极限后扫描装置信号反馈到刀具寿命管理装置10进行备刀操作，同时刀具管理系统展示报警信息。
本实施例提供一种利用本实施例实现轮毂刀具管理的具体例子，如下：
(1)首先获取刀具的相关数值，在这里定义如下数值：
A：刀具补偿值；
B：主轴3负载率；
C：产品加工尺寸信息；
D：刀具磨损状态。
D为刀具磨损状态,如上所述的，本实施例中，获取D的途径是通过激光传感器对零件加工状态的检测，其原理是，激光传感器的激光器发射激光L1，L1投射至零件的加工面，并反射激光L2，激光传感器的激光检测器检测此激光L2，L1和L2之间具有时间差φ，通过计算时间差可以获得产品加工尺寸信息C；当连续的L1和L2被发射接收时，就能获得形成较为精确的产品加工尺寸信息C；进而，当刀尖磨损到一定程度时，如，刀尖磨损至可用范围内的最大值D1，定义此时的L1’与L2’的差值为φ1，使D1映射值为φ1，同时φ1映射到产品尺寸信息C1，则当Dn≥D1时，刀具已经达到其寿命最大值；在此过程中，刀具补偿值A和主轴3负载率B按照常规方式计算。
具体到机床程序中，A为当前刀具长度补偿值,可用测量仪或机床自带的刀长测量功能测得刀具长度后保存在刀具补偿表中。系统变量P1～Pn用于保存各刀具的刀补值,利用宏程序读取该组变量中对应当前刀具长度补偿值的变量即获得了A值。
D1为刀具磨损最大值(比较阈值),它与刀具在实际加工过程中的磨损程度、主轴3负载率B等因素有关,可根据实际情况选取,一般取0.1～0.3mm。D1值确定后应存入可掉电保持的宏变量中(存储位置为Pm),以便在宏程序中读取。
当Dn≥D1时，机床报警提示操作者重新设置刀补值或更换刀具。
在实际应用中,由于初始的刀具长度可作为刀补值预先存于刀具补偿表中,故用新测量的刀具长度与刀具补偿值进行比较即可。
从以上实施例可以看出，本发明的有益之处在于：本申请可以实时监控刀具寿命，并及时备刀，用激光传感器来代替视觉系统，减少了资本投入。
与传统的自动更换刀具程序相比，本发明的特征集中于对刀具进行检测的过程，在此过程中，本发明摆脱了传统的刀具磨损检测手段，不必在机床上设置检测点，也不比直接检测刀具的磨损状态，而是间接检测零件的磨损状态，而且使用激光传感器进行检测，其连续作业的特性保证了不比对主轴3进行复杂的操作，这体现在加工程序中，本发明所公开的实施例均避免了传统的测量过程中的坐标值计算，节约了加工工序。
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (9)

  1. 一种轮毂刀具管理系统，其特征在于，包括，刀具寿命管理装置，所述刀具寿命管理装置，用于获取轮毂加工尺寸信息及获取并存储刀具信息，进而得到轮毂刀具的使用情况；
    与刀具寿命管理装置连接的刀具备刀装置；所述刀具备刀装置，用于根据刀具的使用状态和经验寿命信息判断是否需要备刀，并在确定需要备刀后，执行备刀操作，在刀具的使用寿命达到最大值后，利用备刀更换刀具；
    及，与刀具寿命管理装置连接的安装在地轨机器人上的扫描装置，所述扫描装置用于在机器人夹取轮毂的过程中扫描加工轮毂的加工尺寸，之后将扫描信号反馈到刀具寿命管理装置中。
  2. 如权利要求1所述的一种轮毂刀具管理系统，其特征在于，所述获取储存的刀具信息包括刀具补偿值、主轴负载率、产品加工尺寸信息以及刀具磨损值。
  3. 如权利要求1所述的一种轮毂刀具管理系统，其特征在于，所述所描装置包括激光传感器，所述激光传感器包括用于发射激光信号的激光器和用于接收激光信号的激光检测器，以及测量电路。
  4. 如权利要求1所述的一种轮毂刀具管理系统，其特征在于，所述刀具备刀装置包括对刀仪和换刀机器，换刀机器先进行换刀，对刀仪再进行对刀。
  5. 如权利要求1～4任意一项所述的一种轮毂刀具磨损程度测量方法，其特征在于，包括以下步骤：
    激光传感器的激光器发射激光L1，L1投射至零件的加工面，并反射激光L2，激光传感器的激光检测器检测此激光L2，L1和L2之间具有时间差φ，通过计算时间差φ获得产品加工尺寸信息C；
    当刀尖磨损到一定程度时，刀尖磨损至可用范围内的刀具磨损最大值D1，定义此时的L1’与L2’的差值为φ1，使φ1映射值为产品尺寸信息C1，同时C1映射到D1；
    当刀具磨损值值Dn≥D1时，刀具寿命已经达到最大值。
  6. 如权利要求5所述的一种轮毂刀具磨损程度测量方法，其特征在于，所述刀具磨损值D1得取值范围是0.1～0.3mm。
  7. 如权利要求5所述的一种轮毂刀具磨损程度测量方法，其特征在于，所述φ1、C1、D1为存储的刀具信息判断阈值。
  8. 如权利要求1～4任意一项所述的一种轮毂刀具管理方法，其特征在于，包括如下 步骤：
    在生产线进行轮毂加工时，安装在地轨机器人手爪上的扫描装置会在机器人从加工机床夹取轮毂前先行扫描轮毂的加工尺寸；
    刀具寿命管理装置预设刀具寿命最大值，超过刀具寿命最大值后扫描装置信号反馈到刀具寿命管理装置进行备刀操作，同时展示报警信息。
  9. 如权利要求5～7所述的一种轮毂刀具管理方法，其特征在于，包括如下步骤：
    在所述刀具的使用状态为正常工作状态时，比较扫描检测到的刀具信息和存储的刀具信息判断阈值，判断所述刀具剩余的寿命是否小于或者等于预设寿命；
    在所述刀具剩余的寿命小于或者等于预设寿命时，确定需要备刀；在所述刀具剩余的寿命是大于所述预设寿命时，确定不需要备刀。
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