CN102380825B - Blade wearing capacity detection device and method - Google Patents
Blade wearing capacity detection device and method Download PDFInfo
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- CN102380825B CN102380825B CN201010273074.4A CN201010273074A CN102380825B CN 102380825 B CN102380825 B CN 102380825B CN 201010273074 A CN201010273074 A CN 201010273074A CN 102380825 B CN102380825 B CN 102380825B
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Abstract
The invention provides a blade wearing capacity detection device and method, which are used for solving the problem that a blade and a workbench of the prior art are easy to be damaged. The blade wearing capacity detection device comprises a light emitting assembly, a lifting motor, a light receiving assembly, a height determining module and a wearing capacity determining module, wherein the light emitting assembly is used for emitting a first light beam; the lifting motor is used for supporting a blade and drives the blade to do a vertical motion towards the first light beam, wherein a cutting edge of the blade is in contact with the first light beam first; the light receiving assembly is used for vertically receiving an unshielded light beam which is not shielded by the blade; the height determining module is used for controlling the lifting motor to stop driving the blade when the luminous flux of the unshielded light beam reaches a preset value and determining the current height of the blade; and the wearing capacity determining module is used for determining the wearing capacity of the blade according to the current height of the blade and the height of the blade after working. The technical scheme of the invention cannot damage the blade and the workbench.
Description
Technical field
The present invention relates to scribing machine technical field, particularly a kind of blade wearing capacity detection device and method.
Background technology
Scribing machine is to encapsulate key equipment after semiconductor, and its working mechanism is high-rate grinding, and blade is the execution unit of high-rate grinding.Scribing machine blade is cyclic structure, is installed on the motor shaft end of static air pressure axle, and during work, under the driving of static air pressure spindle motor, High Rotation Speed carries out cutting-up, and maximum speed reaches 60000 revs/min.
Due to the special job specification of blade, in cutting-up production process, often there is the situation of blade abrasion, if now continue cutting-up, will affect cutting-up quality.So in order to guarantee the cutting-up quality of cut workpiece, must blade carry out timing height detection, detect wear extent and recompense in time, and when blade abrasion amount is over certain value, alarm allowing blade replacement more, thus guarantee that cutting-up proceeds.
What at present scribing machine height detection adopted is cutter hub outer circular edge and cut workpiece workbench contact measurement, but this kind of easy blade of detection mode and workbench all produce infringement.
Summary of the invention
The embodiment of the present invention provides a kind of blade wearing capacity detection device and method, produces the problem of infringement in order to solve the easy blade of prior art and workbench.
The embodiment of the present invention provides a kind of blade wearing capacity detection device, comprising:
Utilizing emitted light assembly, for launching the first light beam;
Lifting motor, for supporting blade, and drives described blade for vertical movement to described the first light beam, and wherein, the blade of described blade first contacts described the first light beam;
Receive optical assembly, for vertically receiving the light beam that do not block that described the first light beam do not block by described blade;
Height determination module, for when the described luminous flux that does not block light beam reaches predetermined value, controls described lifting motor and stops driving described blade, and determines the current height of described blade;
Wear extent determination module, for according to height after the current height of described blade and work, determines the wear extent of described blade.
Described height determination module comprises data acquisition circuit, host computer and highly definite submodule, wherein:
Described data acquisition circuit, be used at described blade to described the first light beam process for vertical movement, magnitude of voltage corresponding to luminous flux that does not block light beam described in gathering by setting-up time interval, is converted to by described magnitude of voltage the digital quantity that described host computer can be identified;
Described host computer, for obtaining described digital quantity, and when described digital quantity equals digital quantity threshold value, controls described lifting motor and stops driving described blade, controls described height and determines that submodule determines the current height of described blade;
Described height is determined submodule, for determine the current height of described blade according to the control of described host computer.
Described blade wearing capacity detection device, also comprises:
Offset module, while being less than wear extent threshold value for the wear extent when described blade, the altimetric compensation value that shows described blade is described wear extent;
Reminding module, while being equal to or greater than described wear extent threshold value for the wear extent when described blade, shows the prompting message of changing described blade.
Described utilizing emitted light assembly comprises:
Optical fiber utilizing emitted light portion, for launching the second light beam;
The first reflecting prism, for vertically receiving described the second light beam, will form described the first light beam after described the second beam reflection 90 degree, and launch described the first light beam;
And/or
Described reception optical assembly comprises:
The second reflecting prism does not block light beam described in vertically receiving, and described not blocking after beam reflection 90 is spent launched;
Optical fiber light reception element, for vertically receiving the described light beam that do not block that is reflected 90 degree.
Described blade wearing capacity detection device, also comprises:
Over cap;
Drive cylinder;
Wherein, when described blade wearing capacity detection device is not activated, over cap hides described the first reflecting prism and described the second reflecting prism described in described driving air cylinder driven; When described blade wearing capacity detection device is activated, described driving cylinder is opened described over cap, exposes described the first reflecting prism and described the second reflecting prism.
Described blade wearing capacity detection device, also comprises:
Water hose nozzle, for cleaning described the first reflecting prism and described the second reflecting prism;
Tracheae nozzle, for drying up the steam on described the first reflecting prism and described the second reflecting prism.
The embodiment of the present invention provides a kind of blade abrasion quantity measuring method, comprising:
Band cutting blade is for vertical movement to the first light beam, and wherein, the blade of described blade first contacts described the first light beam;
Vertically receive the light beam that do not block not blocked by described blade in described the first light beam;
When the described luminous flux that does not block light beam reaches predetermined value, stop driving described blade, and determine the current height of described blade;
According to height after the current height of described blade and work, determine the wear extent of described blade.
Described when the described luminous flux that does not block light beam reaches predetermined value, control described lifting motor and stop driving described blade, and determine the current height of described blade, be specially:
At described blade, in described the first light beam process for vertical movement, described in gathering by setting-up time interval, do not block the magnitude of voltage corresponding to luminous flux of light beam, described magnitude of voltage is converted to the digital quantity that host computer can be identified;
When described digital quantity equals digital quantity threshold value, according to the control of described host computer, stop driving described blade, determine the current height of described blade.
Described blade abrasion quantity measuring method, also comprises:
When the wear extent of described blade is less than wear extent threshold value, the altimetric compensation value that shows described blade is described wear extent;
When the wear extent of described blade is equal to or greater than described wear extent threshold value, show the prompting message of changing described blade.
The blade wearing capacity detection device that the embodiment of the present invention provides and method, need not just contact and can detect blade abrasion amount with cutting working platform, and this kind of non-contact detecting mode can blade and workbench generation infringement.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention the first blade wearing capacity detection device;
Fig. 2 is the structural representation of embodiment of the present invention the second blade wearing capacity detection device;
Fig. 3 is the structural representation of the third blade wearing capacity detection device of the embodiment of the present invention;
Fig. 4 is the structural representation of the 4th kind of blade wearing capacity detection device of the embodiment of the present invention;
Fig. 5 is the structural representation of the 5th kind of blade wearing capacity detection device of the embodiment of the present invention;
Fig. 6 is the flow chart of embodiment of the present invention blade abrasion quantity measuring method.
The specific embodiment
The problem existing in order to solve prior art, the embodiment of the present invention provides a kind of blade wearing capacity detection device and method.
As shown in Figure 1, the embodiment of the present invention provides a kind of blade wearing capacity detection device, comprising:
Utilizing emitted light assembly 11, for launching the first light beam;
Lifting motor 12, for supporting blade, and is with cutting blade for vertical movement to the first light beam, and wherein, the blade of blade first contacts the first light beam;
Receive optical assembly 13, for vertically receiving the light beam that do not block that the first light beam do not block by blade;
Wear extent determination module 15, for according to height after the current height of blade and work, determines the wear extent of blade.
With reference to figure 1, the using method of above-mentioned blade wearing capacity detection device is:
A1, utilizing emitted light assembly 11 transmitting the first light beams;
A2, blade are made down maneuver under the drive of lifting motor 12;
The blade of A3, blade (as outer circular edge) touches the first light beam, and blocks gradually the first light beam, and meanwhile, the luminous flux that does not block light beam that reception optical assembly 13 receives diminishes gradually;
A4, when not blocking the luminous flux of light beam and reach predetermined value, height determination module 14 is controlled lifting motors 12 and is stopped being with cutting blade, and the current height of definite blade;
A5, wear extent determination module 15, according to height after the current height of blade and work, are determined the wear extent of blade.
Wherein, after highly referring to the current height of having determined blade after the work of blade, blade carried out after cutting-up action (such as cutting-up certain cutter number), utilizes the above-mentioned definite rear height of work of method of determining current height.Because blade must have wearing and tearing when the cutting-up, therefore, after cutting-up, height is less than current height.It should be noted that, determine that basic point and the basal plane of height and current height is identical after work, while being circular shear blade such as blade, getting the center of circle is basic point, getting a fixed pan is basal plane, the height that regulation basic point is blade to the height of basal plane, now, after work, height and current height just have comparativity, just can calculate blade abrasion amount accurately.
The blade wearing capacity detection device visible, the embodiment of the present invention provides, need not just contact and can detect blade abrasion amount with cutting working platform, and this kind of non-contact detecting mode can blade and workbench generation infringement.
As shown in Figure 2, height determination module 14 comprises data acquisition circuit 141, host computer 142 and highly definite submodule 143, wherein:
Data acquisition circuit 141, at blade to the first light beam process for vertical movement, by setting-up time interval, gather magnitude of voltage corresponding to luminous flux do not block light beam, magnitude of voltage is converted to the digital quantity that host computer 142 can be identified;
Host computer 142, for obtaining digital quantity, and when digital quantity equals digital quantity threshold value, controls lifting motor 12 and stops being with cutting blade, controls the current height of highly determining submodule 143 definite blades;
Highly determine submodule 143, for determine the current height of blade according to the control of host computer 142.
The following describes the operation principle of above-mentioned height determination module 14:
At blade, in the first light beam process for vertical movement, the luminous flux that does not block light beam diminishes gradually; Data acquisition circuit 141 is determined the luminous flux that does not block light beam by some cycles, the luminous flux that does not block light beam is demodulated into magnitude of voltage (for analog quantity), press setting-up time interval (as 1/1000 second) and gather magnitude of voltage, magnitude of voltage shows as gradually and diminishes, and exports to host computer 142 after converting magnitude of voltage to digital quantity that host computer 142 can identify.Therefore, when the blade of blade touches the first light beam, and while blocking the first light beam gradually, the digital quantity that host computer 142 obtains diminishes gradually, when changing to digital quantity threshold value, determines the current height of blade.
As shown in Figure 3, described blade wearing capacity detection device, also comprises:
Offset module 16, while being less than wear extent threshold value for the wear extent when blade, shows that the altimetric compensation value of blade is wear extent;
Reminding module 17, while being equal to or greater than wear extent threshold value for the wear extent when blade, shows the more prompting message of allowing blade replacement.
Wherein, the altimetric compensation value of blade refers to after blade abrasion, in order to guarantee the degree of depth of cutting-up, guarantees proceeding of cutting-up, is added to the compensation rate in the slippage of blade.
And when the wear extent of blade surpasses wear extent threshold value, blade serious wear is described, and now point out more allowing blade replacement, can guarantee proceeding of cutting-up.
It should be noted that, the blade wearing capacity detection device that the embodiment of the present invention provides can directly be arranged at the correct position of scribing machine.
As shown in Figure 4, utilizing emitted light assembly 11 comprises:
Optical fiber utilizing emitted light portion 111, for launching the second light beam;
The first reflecting prism 112, for vertically receiving the second light beam, will form the first light beam after the second beam reflection 90 degree, and launch the first light beam;
And/or
Receiving optical assembly 13 comprises:
The second reflecting prism 131, for vertically receiving and do not block light beam, and will launch after not blocking beam reflection 90 degree;
Optical fiber light reception element 132, for vertically receiving the light beam that do not block that is reflected 90 degree.
(not shown lifting motor 12, height determination module 14, wear extent determination module 15) as shown in Figure 5, described blade wearing capacity detection device, also comprises:
Over cap 18;
Drive cylinder 19;
Wherein, when blade wearing capacity detection device is not activated, drive cylinder 19 to drive over cap 18 to hide the first reflecting prism 112 and the second reflecting prism 131; When blade wearing capacity detection device is activated, drive cylinder 19 to open over cap 18, expose the first reflecting prism 112 and the second reflecting prism 131.
As shown in Figure 5, described blade wearing capacity detection device, can also comprise:
Water hose nozzle 20, for cleaning the first reflecting prism 112 and the second reflecting prism 131;
Tracheae nozzle 21, for drying up the steam on the first reflecting prism 112 and the second reflecting prism 131.
Water hose nozzle 20 and tracheae nozzle 21 can prevent that minute surface from polluting and disturbing light beam, can guarantee the accuracy of measurement result.
As shown in Figure 6, the embodiment of the present invention also provides a kind of blade abrasion quantity measuring method, comprising:
S601, band cutting blade for vertical movement to the first light beam, wherein, the blade of blade first contacts the first light beam.
S602, vertically receive the light beam that do not block not blocked by blade in the first light beam.
S603, when not blocking the luminous flux of light beam and reach predetermined value, stop being with cutting blade, and the current height of definite blade.
Be specially:
B1, at blade in the first light beam process for vertical movement, by setting-up time interval, gather magnitude of voltage corresponding to luminous flux do not block light beam, magnitude of voltage is converted to the digital quantity that host computer can be identified;
B2, when digital quantity equals digital quantity threshold value, according to the control of host computer, stop being with cutting blade, determine the current height of blade.
S604, according to height after the current height of blade and work, determine the wear extent of blade.
The blade abrasion quantity measuring method visible, the embodiment of the present invention provides, need not just contact and can detect blade abrasion amount with cutting working platform, and this kind of non-contact detecting mode can blade and workbench generation infringement.
After execution step S604, described blade abrasion quantity measuring method, can also comprise:
When the wear extent of blade is less than wear extent threshold value, show that the altimetric compensation value of blade is wear extent;
When the wear extent of blade is equal to or greater than wear extent threshold value, show the more prompting message of allowing blade replacement.
Wherein, after blade abrasion, the altimetric compensation value of blade is added in the slippage of blade, can guarantees the degree of depth of cutting-up, guarantee proceeding of cutting-up.
And when the wear extent of blade surpasses wear extent threshold value, blade serious wear is described, and now point out more allowing blade replacement, can guarantee proceeding of cutting-up.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a blade wearing capacity detection device, is characterized in that, comprising:
Utilizing emitted light assembly, for launching the first light beam;
Lifting motor, for supporting blade, and drives described blade for vertical movement to described the first light beam, and wherein, the blade of described blade first contacts described the first light beam;
Receive optical assembly, for vertically receiving the light beam that do not block that described the first light beam do not block by described blade;
Height determination module, for when the described luminous flux that does not block light beam reaches predetermined value, controls described lifting motor and stops driving described blade, and determines the current height of described blade;
Wear extent determination module, for according to height after the current height of described blade and work, determines the wear extent of described blade;
Offset module, while being less than wear extent threshold value for the wear extent when described blade, the altimetric compensation value that shows described blade is described wear extent;
Reminding module, while being equal to or greater than described wear extent threshold value for the wear extent when described blade, shows the prompting message of changing described blade.
2. blade wearing capacity detection device as claimed in claim 1, is characterized in that, described height determination module comprises data acquisition circuit, host computer and highly definite submodule, wherein:
Described data acquisition circuit, be used at described blade to described the first light beam process for vertical movement, magnitude of voltage corresponding to luminous flux that does not block light beam described in gathering by setting-up time interval, is converted to by described magnitude of voltage the digital quantity that described host computer can be identified;
Described host computer, for obtaining described digital quantity, and when described digital quantity equals digital quantity threshold value, controls described lifting motor and stops driving described blade, controls described height and determines that submodule determines the current height of described blade;
Described height is determined submodule, for determine the current height of described blade according to the control of described host computer.
3. blade wearing capacity detection device as claimed in claim 1 or 2, is characterized in that,
Described utilizing emitted light assembly comprises:
Optical fiber utilizing emitted light portion, for launching the second light beam;
The first reflecting prism, for vertically receiving described the second light beam, will form described the first light beam after described the second beam reflection 90 degree, and launch described the first light beam;
And/or
Described reception optical assembly comprises:
The second reflecting prism does not block light beam described in vertically receiving, and described not blocking after beam reflection 90 is spent launched;
Optical fiber light reception element, for vertically receiving the described light beam that do not block that is reflected 90 degree.
4. blade wearing capacity detection device as claimed in claim 3, is characterized in that, also comprises:
Over cap;
Drive cylinder;
Wherein, when described blade wearing capacity detection device is not activated, over cap hides described the first reflecting prism and described the second reflecting prism described in described driving air cylinder driven; When described blade wearing capacity detection device is activated, described driving cylinder is opened described over cap, exposes described the first reflecting prism and described the second reflecting prism.
5. blade wearing capacity detection device as claimed in claim 3, is characterized in that, also comprises:
Water hose nozzle, for cleaning described the first reflecting prism and described the second reflecting prism;
Tracheae nozzle, for drying up the steam on described the first reflecting prism and described the second reflecting prism.
6. a blade abrasion quantity measuring method, is characterized in that, comprising:
Band cutting blade is for vertical movement to the first light beam, and wherein, the blade of described blade first contacts described the first light beam;
Vertically receive the light beam that do not block not blocked by described blade in described the first light beam;
When the described luminous flux that does not block light beam reaches predetermined value, stop driving described blade, and determine the current height of described blade;
According to height after the current height of described blade and work, determine the wear extent of described blade;
When the wear extent of described blade is less than wear extent threshold value, the altimetric compensation value that shows described blade is described wear extent;
When the wear extent of described blade is equal to or greater than described wear extent threshold value, show the prompting message of changing described blade.
7. blade abrasion quantity measuring method as claimed in claim 6, is characterized in that, described when the described luminous flux that does not block light beam reaches predetermined value, controls described lifting motor and stops driving described blade, and determine the current height of described blade, is specially:
At described blade, in described the first light beam process for vertical movement, described in gathering by setting-up time interval, do not block the magnitude of voltage corresponding to luminous flux of light beam, described magnitude of voltage is converted to the digital quantity that host computer can be identified;
When described digital quantity equals digital quantity threshold value, according to the control of described host computer, stop driving described blade, determine the current height of described blade.
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| CN201010273074.4A CN102380825B (en) | 2010-09-03 | 2010-09-03 | Blade wearing capacity detection device and method |
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| CN201010273074.4A CN102380825B (en) | 2010-09-03 | 2010-09-03 | Blade wearing capacity detection device and method |
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| CN102380825B true CN102380825B (en) | 2014-02-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102621151B (en) * | 2012-03-27 | 2014-01-15 | 蚌埠道生精密光电科技有限公司 | Optical fiber cutting blade edge detecting device |
| CN103630537A (en) * | 2012-08-20 | 2014-03-12 | 北京中电科电子装备有限公司 | Device and method for detecting scribing machine cutter state and scribing machine |
| DE102013209963A1 (en) * | 2013-05-28 | 2014-12-18 | Siemens Aktiengesellschaft | Arrangement for squeezing a powder |
| EP3095709B1 (en) * | 2015-05-20 | 2018-01-10 | Goodrich Lighting Systems GmbH | Exterior aircraft lighting device |
| US10646924B2 (en) * | 2017-02-21 | 2020-05-12 | General Electric Company | Additive manufacturing using a recoater with in situ exchangeable recoater blades |
| DE102017206179A1 (en) * | 2017-04-11 | 2018-10-11 | Homag Bohrsysteme Gmbh | grinder |
| CN108687668B (en) * | 2018-05-22 | 2024-02-13 | 深圳先进技术研究院 | High-precision polishing device and high-precision polishing robot |
| DE102019101017A1 (en) * | 2019-01-16 | 2020-07-16 | Harting Electric Gmbh & Co. Kg | Method and device for monitoring the status of a crimping device |
| CN110370096B (en) * | 2019-08-14 | 2021-04-13 | 珠海镇东有限公司 | Plate grinding method for high-precision opposite-grinding plate brushing machine |
| CN111612748A (en) * | 2020-05-11 | 2020-09-01 | 上海华力集成电路制造有限公司 | Tool bit abrasion monitoring method and monitoring system thereof |
| CN116252398A (en) * | 2022-12-20 | 2023-06-13 | 苏州镁伽科技有限公司 | Control device and control method |
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