CN106297176B - Line cutting machine main shaft warning device and corresponding line cutting machine - Google Patents
Line cutting machine main shaft warning device and corresponding line cutting machine Download PDFInfo
- Publication number
- CN106297176B CN106297176B CN201610945876.2A CN201610945876A CN106297176B CN 106297176 B CN106297176 B CN 106297176B CN 201610945876 A CN201610945876 A CN 201610945876A CN 106297176 B CN106297176 B CN 106297176B
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- line cutting
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- 238000005520 cutting process Methods 0.000 title claims abstract description 96
- 238000001514 detection method Methods 0.000 claims abstract description 77
- 230000037361 pathway Effects 0.000 claims abstract description 9
- 238000007689 inspection Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/547—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member
- B26D1/553—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member with a plurality of wire-like cutting members
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a kind of line cutting machine main shaft warning devices, including setting to cut the guide rod at owner's axis both ends online；Both ends are separately fixed at the alert rod on guide rod；The first burn out detection unit of online one end for cutting owner's axis is set；Relay unit, PLC, the alarm unit being arranged in the switch board of line cutting machine, relay unit and the first burn out detection unit are electrically connected；One power cathode of integrated connection of line cutting machine, alert rod connect positive pole；Under normal circumstances, relay unit persistently sends signal by normally-closed contact to PLC；When there is broken string in the gauze of line cutting machine, broken string is beaten to alert rod, the entirety of line cutting machine forms circuit pathways with alert rod, first burn out detection unit sends a signal to relay unit, the normally-closed contact of relay unit disconnects, PLC does not receive the signal of relay unit transmission, and then controls alarm unit and alarm.The device is alarmed using connecting and disconnecting of the circuit principle, alarm reliability higher, and sensitiveer.
Description
Technical field
The present invention relates to photovoltaic module production equipment technology more particularly to a kind of line cutting machine main shaft warning devices and right
The line cutting machine answered.
Background technology
Photovoltaic generation is current one of the major way for utilizing solar energy, and solar energy power generating is cleaned, safely, just because of it
The features such as sharp, efficient, it has also become countries in the world common concern and the new industry given priority to.Therefore, it furthers investigate and utilizes
Solar energy resources, to alleviating, crisis of resource, improving the ecological environment has a very important significance.
Silicon chip is the main production material of semiconductor and photovoltaic art.Multi-wire wafer cutting technique is to compare in the world at present
Advanced silicon chip process technology, it is different from the cutting modes such as traditional saw blade, grinding wheel, is cut also different from advanced laser
It cuts and inner circle cutting, its principle is to drive the cutting blade material being attached on steel wire to silicon rod by the steel wire of a high-speed motion
It rubs, to reach cutting effect.In the whole process, steel wire is by the guiding of more than ten of guide roller, in main roller
A bracing cable net is formed, and workpiece to be processed realizes the feeding of workpiece by the decline of workbench.Multi-wire wafer cutting technique and its
His technology, which is compared, to be had：It is efficient, the advantages that production capacity is high, and precision is high.It is to use widest silicon chip cutting technique at present.In silicon chip
The mainstream equipment used in multi-wire cutting technology is PV500HD line cutting machines.
However, disconnection problem in silicon chip cutting process, can occur once in a while in PV500HD line cutting machines, there are many broken string factor,
Such as：Diamond wire sole mass problem, guide wheel eccentric wear, home roll have the problems such as deep trouth and apparatus sanitation are poor, are set when disconnection problem occurs
It is standby need can and alarm, as much as possible property avoid the manpower and materials of company from losing.But PV500HD line cutting machine original main shafts are grounded
Warning device fails to reach the requirement that broken string is just alarmed there are certain design defect.
Therefore, it is necessary to be improved to PV500HD line cutting machine main shaft warning devices.
Invention content
The purpose of the present invention is to provide a kind of line cutting machine main shaft warning devices, with timely and reliably to line cutting machine gauze
Broken string is alarmed.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of line cutting machine main shaft warning device, including：
Guide rod, line cutting machine main shaft both ends are respectively arranged with a guide rod；
Burn out detection alert rod, both ends are separately fixed on the guide rod at line cutting machine main shaft both ends；
One end of owner's axis is cut in first burn out detection unit, setting online；
Relay unit is arranged in the switch board of line cutting machine, is electrically connected with the first burn out detection unit；
PLC is arranged in the switch board of line cutting machine；
Alarm unit is arranged in the switch board of line cutting machine；
Wherein, one power cathode of integrated connection of the line cutting machine, the burn out detection alert rod connect positive pole；Just
In the case of often, the relay unit persistently gives the PLC to send signal by normally-closed contact；When the gauze of the line cutting machine is deposited
In broken string, broken string is beaten to the burn out detection alert rod, the entirety of the line cutting machine and the burn out detection alert rod
Form circuit pathways, the first burn out detection unit sends a signal to the relay unit, the relay unit it is normal
Closed contact disconnects, and the PLC does not receive the signal that the relay unit is sent, the PLC control the alarm unit into
Row alarm.
In one embodiment of the invention, the relay unit includes solid-state relay, intermediate relay, wherein：
The contact of the solid-state relay controls the actuation of the coil of the intermediate relay, and the intermediate relay is online
It encloses before not being attracted and signal is persistently sent to the PLC by normally-closed contact；
When the gauze of the line cutting machine has broken string, broken string is beaten to the burn out detection alert rod, and the line is cut
The entirety of machine forms circuit pathways with the burn out detection alert rod, and the first burn out detection unit sends a signal to described solid
The contact of state relay, the solid-state relay is attracted, and the coil for controlling the intermediate relay is attracted, the intermediate relay
The normally-closed contact of device disconnects, and the PLC does not receive the signal that the relay unit is sent, and the PLC controls the alarm
Unit is alarmed.
In one embodiment of the invention, the relay unit further includes the time relay, in the intermediate relay
When the coil of device is attracted, the contact that the intermediate relay controls the coil of the time relay is attracted, the time relay
The normally-closed contact delay of device disconnects, intermediate relay described in the disconnections feedback control of the normally-closed contact of the time relay oneself
It protects point to disconnect, the coil of the intermediate relay disconnects, and the intermediate relay sends letter by normally-closed contact to the PLC
Number, the PLC controls the alarm unit cancellation alarm after receiving signal.
In one embodiment of the invention, further include the second burn out detection unit, setting cuts the another of owner's axis online
End；The burn out detection alert rod pull-up has a weight；Under normal circumstances, the burn out detection alert rod draws the weight
It rises, the second burn out detection unit detects the weight, and sends detection signal to the PLC；When the line cutting machine
There is broken string in gauze, when the end of a thread of broken string interrupts the burn out detection alert rod, the weight drop, and the second broken string inspection
It surveys unit and can't detect the weight, the PLC does not receive the detection signal that the second burn out detection unit is sent, described
PLC controls the alarm unit and alarms.
In one embodiment of the invention, the alarm unit is phonetic alarm.
In one embodiment of the invention, the alarm of the phonetic alarm is：Main shaft grounding alarm.
In one embodiment of the invention, the anode of the alert rod connection+24V power supplys.
In one embodiment of the invention, the line cutting machine is PV500HD line cutting machines.
A kind of line cutting machine, including above-mentioned line cutting machine main shaft warning device.
The present invention due to using the technology described above, is allowed to compared with prior art, have the following advantages that and actively imitate
Fruit：
1) line cutting machine main shaft warning device provided by the invention, by by one power cathode of integrated connection of line cutting machine, inciting somebody to action
Burn out detection alert rod connects positive pole；Under normal circumstances, relay unit is persistently sent to PLC by normally-closed contact and is believed
Number；When the gauze of line cutting machine has broken string, broken string is beaten to burn out detection alert rod, the entirety and burn out detection of line cutting machine
Alert rod forms circuit pathways, and the first burn out detection unit sends a signal to relay unit, the normally-closed contact of relay unit
It disconnects, PLC does not receive the signal of relay unit transmission, and PLC control alarm units are alarmed.Since the device utilizes electricity
Road break-make principle is alarmed, thus compared to it is existing alarmed using theory of mechanics for, alarm reliability higher, and
It is sensitiveer.
2) line cutting machine main shaft warning device provided by the invention, due to using alert rod, accordingly, with respect to existing use
For steel wire is as the form of alarming line, operating personnel need to only confirm that whether intact warning device is normal, be not required to carry out drawing steel again
Line works, and shortens time, improves efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of existing line cutting machine main shaft warning device；
Fig. 2 is the status diagram of the weight in existing line cutting machine main shaft warning device；
Fig. 3 is the structural schematic diagram of line cutting machine main shaft warning device provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of relay unit provided in an embodiment of the present invention.
Label declaration：
1- guide rods, 2- alarming lines, 21- burn out detection alert rods, 3- the second burn out detection units, 4- weights, 5- first are disconnected
Line detection unit, 6- relay units, 61- solid-state relays, 62- intermediate relays, the 63- time relays, 64- direct currents
Source, 65- miniature circuit breakers
Specific implementation mode
Line cutting machine main shaft warning device proposed by the present invention and corresponding line are cut below in conjunction with the drawings and specific embodiments
Machine is described in further detail.According to following explanation and claims, advantages and features of the invention will become apparent from.It needs to illustrate
, attached drawing is all made of very simplified form and uses non-accurate ratio, be only used for conveniently, lucidly aid in illustrating this
The purpose of inventive embodiments.
It is that before making the present invention, a kind of line cutting machine main shaft that applicant attempts is alarmed to please refer to Fig.1 to Fig. 2, Fig. 1 to Fig. 2
The structure type of device, as shown in Figure 1 to Figure 2, a kind of design for the line cutting machine main shaft warning device attempted before applicant are former
Reason is：Main shaft both ends are respectively arranged with a guide rod 1, and upper burn out detection steel wire 2 (abbreviation alarming line), alarm are wound on guide rod 1
For line by 4 pull-up of weight, the second burn out detection unit 3 detects that weight 4, the PLC in equipment control cabinet obtain detection signal, machine
It does not alarm；After disconnection problem occurs for gauze any place, the end of a thread of broken string can interrupt the steel wire 2 of drawing, and weight 4 is due to no steel wire
2 haul and can fall, and the second burn out detection unit 3 can't detect weight 4, and PLC does not receive signal PLC control machine alarm (reports
Police prompts：Main shaft grounding alarm).Wherein, the second burn out detection unit 3 is specially a photoelectric sensor.
However, in actual use, it is found by the applicant that very likely there are such a feelings in above-mentioned warning device
Condition：
Steel wire 2 there may come a time when after being interrupted there are steel wire be stuck in guide rod 1 and the second burn out detection unit 3 junction (see
" alarming line easy card division position " identified in Fig. 2), and make weight 4 not to whereabouts, thus even if there are short-term situation, machine
It will not alarm, until after loom evacuates steel wire, due to tension arm exception machine alarm, be handled again at this time when being
Too late, it will cause whole plate material (silicon rod) to be scrapped, great manpower and materials is caused to lose.
After finding a upper design defect, applicant has carried out further improvement to warning device, to improve alarm dress
The reliability set and sensitivity.Improved design please refers to Fig.3-Fig. 4, as Figure 3-Figure 4, improved warning device packet
It includes：
Guide rod 1 specifically cuts owner's axis both ends and is respectively arranged with a guide rod 1 online；
Burn out detection alert rod 21, both ends are separately fixed on the guide rod 1 at line cutting machine main shaft both ends；
One end of owner's axis is cut in first burn out detection unit 5, setting online；
Relay unit 6 is arranged in the switch board of line cutting machine, is electrically connected with the first burn out detection unit 5；
PLC is arranged in the switch board of line cutting machine；
Alarm unit is arranged in the switch board of line cutting machine；
Wherein, one power cathode of integrated connection of line cutting machine, burn out detection alert rod 21 connect positive pole；Normal condition
Under, relay unit 6 persistently sends signal by normally-closed contact to PLC；When the gauze of line cutting machine has broken string, broken string is beaten
To burn out detection alert rod 21, entirety and the burn out detection alert rod 21 of line cutting machine form circuit pathways, the first burn out detection
Unit 5 sends a signal to relay unit 6, and the normally-closed contact of relay unit 6 disconnects, and PLC does not receive the hair of relay unit 6
The signal sent, PLC control alarm units are alarmed.
As shown in figure 4, in one embodiment of the invention, relay unit 6 includes solid-state relay 61, intermediate relay
Device 62, wherein：
The actuation of the coil of the contact control intermediate relay 62 of solid-state relay 61, intermediate relay 62 are not inhaled in coil
Signal is persistently sent to PLC by normally-closed contact before closing；
When line cutting machine gauze exist broken string when, broken string is beaten to burn out detection alert rod 21, the entirety of line cutting machine and
Burn out detection alert rod 21 forms circuit pathways, and the first burn out detection unit 5 sends a signal to solid-state relay 61, solid-state relay
The contact of device 61 is attracted, and the coil for controlling intermediate relay 62 is attracted, and the normally-closed contact of intermediate relay 62 disconnects, and PLC connects
The signal of the transmission of relay unit 6 is can not receive, PLC control alarm units are alarmed.
Line cutting machine main shaft warning device provided by the invention, by that by one power cathode of integrated connection of line cutting machine, will break
Line detects alert rod and connects positive pole；Under normal circumstances, relay unit persistently sends signal by normally-closed contact to PLC；
When the gauze of line cutting machine has broken string, broken string is beaten to burn out detection alert rod, entirety and the burn out detection report of line cutting machine
Alert bar forms circuit pathways, and the first burn out detection unit sends a signal to relay unit, and the normally-closed contact of relay unit is disconnected
It opens, PLC does not receive the signal of relay unit transmission, and PLC control alarm units are alarmed.Since the device utilizes circuit
Break-make principle is alarmed, thus compared to it is existing alarmed using theory of mechanics for, alarm reliability higher, and more
It is sensitive.
In a preferred embodiment, relay unit 6 further includes the time relay 63, is attracted in the coil of intermediate relay 62
When, the contact of the coil of 62 control time relay 63 of intermediate relay is attracted, and the normally-closed contact delay of the time relay 63 is disconnected
It opens, the self-insurance point of the disconnection feedback control intermediate relay 62 of the normally-closed contact of the time relay 63 disconnects, intermediate relay 62
Coil disconnect, intermediate relay 62 gives PLC to send signal by normally-closed contact, and PLC controls alarm unit after receiving signal
Cancel alarm.
Line cutting machine main shaft warning device provided by the invention uses steel due to using alert rod accordingly, with respect to existing
For line is as the form of alarming line, operating personnel need to only confirm that whether intact warning device is normal, be not required to carry out drawing steel wire again
Work shortens time, improves efficiency.
Certainly, relay unit 6 further includes DC power supply 64 and miniature circuit breaker 65.
In a preferred embodiment of the invention, further include the second burn out detection unit 3, setting cuts the another of owner's axis online
End；The pull-up of burn out detection alert rod 21 has a weight 4；Under normal circumstances, burn out detection alert rod 21 is by 4 pull-up of weight, and second
Burn out detection unit 3 detects weight 4, and sends detection signal to PLC；When the gauze of line cutting machine has broken string, the line of broken string
When head interrupts alert rod 21, weight 4 falls, and the second burn out detection unit 3 can't detect weight 4, and it is disconnected that PLC does not receive second
The detection signal that line detection unit 3 is sent, PLC control the alarm unit and alarm.
In the preferred embodiment of the present invention, while the first burn out detection unit and the second burn out detection unit are set, wherein
First burn out detection unit is detected alarm by way of connecting and disconnecting of the circuit, and the second burn out detection unit passes through photoelectric sensor
Alarm is detected to weight, two ways is arranged parallel, further improves the reliability and promptness of device.
Specifically, alarm unit is phonetic alarm.The alarm of phonetic alarm is：Main shaft grounding alarm.
As an implementation, the anode of alert rod connection+24V power supplys.
Wherein, line cutting machine is PV500HD line cutting machines.
Meanwhile the present invention also provides a kind of line cutting machines, including above-mentioned line cutting machine main shaft warning device.
Obviously, those skilled in the art can carry out invention spirit of the various modification and variations without departing from the present invention
And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it
Interior, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of line cutting machine main shaft warning device, which is characterized in that including：
Guide rod, line cutting machine main shaft both ends are respectively arranged with a guide rod；
Burn out detection alert rod, both ends are separately fixed on the guide rod at line cutting machine main shaft both ends；
One end of owner's axis is cut in first burn out detection unit, setting online；
Relay unit is arranged in the switch board of line cutting machine, is electrically connected with the first burn out detection unit；
PLC is arranged in the switch board of line cutting machine；
Alarm unit is arranged in the switch board of line cutting machine；
Wherein, one power cathode of integrated connection of the line cutting machine, the burn out detection alert rod connect positive pole；Positive reason
Under condition, the relay unit persistently gives the PLC to send signal by normally-closed contact；Break when the gauze of the line cutting machine exists
When line, broken string is beaten to the burn out detection alert rod, and the entirety of the line cutting machine is formed with the burn out detection alert rod
Circuit pathways, the first burn out detection unit send a signal to the relay unit, and the normally closed of the relay unit is touched
Point disconnects, and the PLC does not receive the signal that the relay unit is sent, and the PLC controls the alarm unit and reported
It is alert.
2. line cutting machine main shaft warning device as described in claim 1, which is characterized in that the relay unit include solid-state after
Electric appliance, intermediate relay, wherein：
The contact of the solid-state relay controls the actuation of the coil of the intermediate relay, the intermediate relay coil not
Persistently the PLC is given to send signal by normally-closed contact before being attracted；
When the gauze of the line cutting machine has broken string, broken string is beaten to the burn out detection alert rod, the line cutting machine
It is whole to form circuit pathways with the burn out detection alert rod, the first burn out detection unit send a signal to the solid-state after
The contact of electric appliance, the solid-state relay is attracted, and the coil for controlling the intermediate relay is attracted, the intermediate relay
Normally-closed contact disconnects, and the PLC does not receive the signal that the relay unit is sent, and the PLC controls the alarm unit
It alarms.
3. line cutting machine main shaft warning device as claimed in claim 2, which is characterized in that the relay unit further includes the time
Relay, when the coil of the intermediate relay is attracted, the intermediate relay controls the coil of the time relay
Contact is attracted, and the normally-closed contact delay of the time relay disconnects, the disconnection feedback of the normally-closed contact of the time relay
The self-insurance point for controlling the intermediate relay disconnects, and the coil of the intermediate relay disconnects, and the intermediate relay passes through normal
Closed contact sends signal to the PLC, and the PLC controls the alarm unit cancellation alarm after receiving signal.
4. line cutting machine main shaft warning device as described in claim 1, which is characterized in that further include the second burn out detection unit,
The online other end for cutting owner's axis is set；The burn out detection alert rod pull-up has a weight；Under normal circumstances, the broken string inspection
Alert rod is surveyed by the weight pull-up, the second burn out detection unit detects the weight, and sends detection signal to institute
State PLC；Break when the gauze of the line cutting machine exists, it is described heavy when the end of a thread of broken string interrupts the burn out detection alert rod
Hammer falls, and the second burn out detection unit can't detect the weight, and the PLC does not receive the second burn out detection list
The detection signal that member is sent, the PLC control the alarm unit and alarm.
5. such as Claims 1-4 any one of them line cutting machine main shaft warning device, which is characterized in that the alarm unit is
Phonetic alarm.
6. line cutting machine main shaft warning device as claimed in claim 5, which is characterized in that the alarm of the phonetic alarm
For：Main shaft grounding alarm.
7. such as Claims 1-4 any one of them line cutting machine main shaft warning device, which is characterized in that the alert rod connection+
The anode of 24V power supplys.
8. such as Claims 1-4 any one of them line cutting machine main shaft warning device, which is characterized in that the line cutting machine is
PV500HD line cutting machines.
9. a kind of line cutting machine, which is characterized in that including such as claim 1 to 8 any one of them line cutting machine main shaft warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945876.2A CN106297176B (en) | 2016-10-26 | 2016-10-26 | Line cutting machine main shaft warning device and corresponding line cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945876.2A CN106297176B (en) | 2016-10-26 | 2016-10-26 | Line cutting machine main shaft warning device and corresponding line cutting machine |
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| Publication Number | Publication Date |
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| CN106297176A CN106297176A (en) | 2017-01-04 |
| CN106297176B true CN106297176B (en) | 2018-08-17 |
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ID=57720488
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610945876.2A Active CN106297176B (en) | 2016-10-26 | 2016-10-26 | Line cutting machine main shaft warning device and corresponding line cutting machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109672849A (en) * | 2017-10-13 | 2019-04-23 | 镇江笑宁能源科技有限公司 | A kind of diamond fretsaw production system for monitoring wire break |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0043673A2 (en) * | 1980-06-30 | 1982-01-13 | Fanuc Ltd. | A wire-cut electric discharge machine |
| CN204160646U (en) * | 2014-10-11 | 2015-02-18 | 宁晋松宫电子材料有限公司 | A kind of multi-line cutting machine with break alarm arresting gear |
| CN204172206U (en) * | 2014-10-20 | 2015-02-25 | 无锡隆基硅材料有限公司 | A kind of silicon chip cutter wire break alarm device |
| CN104377652A (en) * | 2013-09-25 | 2015-02-25 | 丁成才 | Abrasive wire breakage protective circuit of numerical control abrasive wire cutting machine |
| CN206340133U (en) * | 2016-10-26 | 2017-07-18 | 国家电投集团西安太阳能电力有限公司 | Line cutting machine main shaft warning device and corresponding line cutting machine |
-
2016
- 2016-10-26 CN CN201610945876.2A patent/CN106297176B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0043673A2 (en) * | 1980-06-30 | 1982-01-13 | Fanuc Ltd. | A wire-cut electric discharge machine |
| CN104377652A (en) * | 2013-09-25 | 2015-02-25 | 丁成才 | Abrasive wire breakage protective circuit of numerical control abrasive wire cutting machine |
| CN204160646U (en) * | 2014-10-11 | 2015-02-18 | 宁晋松宫电子材料有限公司 | A kind of multi-line cutting machine with break alarm arresting gear |
| CN204172206U (en) * | 2014-10-20 | 2015-02-25 | 无锡隆基硅材料有限公司 | A kind of silicon chip cutter wire break alarm device |
| CN206340133U (en) * | 2016-10-26 | 2017-07-18 | 国家电投集团西安太阳能电力有限公司 | Line cutting machine main shaft warning device and corresponding line cutting machine |
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| Publication number | Publication date |
|---|---|
| CN106297176A (en) | 2017-01-04 |
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