CN109648721B - Broken wire protection device for high-speed multi-wire cutting machine - Google Patents
Broken wire protection device for high-speed multi-wire cutting machine Download PDFInfo
- Publication number
- CN109648721B CN109648721B CN201811595483.9A CN201811595483A CN109648721B CN 109648721 B CN109648721 B CN 109648721B CN 201811595483 A CN201811595483 A CN 201811595483A CN 109648721 B CN109648721 B CN 109648721B
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- wire
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- rod
- insulating block
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- 238000005520 cutting process Methods 0.000 title claims abstract description 57
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/04—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
- B28D5/042—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools by cutting with blades or wires mounted in a reciprocating frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/005—Devices for the automatic drive or the program control of the machines
Abstract
The utility model provides a broken string protection device for high-speed multi-wire saw, includes conductive component, grounding subassembly, electric wire, current-limiting resistor, power, controller and earth connection, conductive component, grounding subassembly are each other contactless, and two subassemblies are all insulating to be installed on the cutting chamber, keep being close with the roller distance, and two subassembly distances keep being close, conductive component passes through the electric wire and links to each other with the controller, the electric wire is established ties with current-limiting resistor, power, grounding subassembly passes through the earth connection and links to each other with the casing. The invention has simple structure, no delay and can avoid huge loss caused by scrapping of bar stock and cutting line due to wire breakage, and can reduce complex procedures of cleaning the whole machine due to wire breakage, and after wire breakage, the cutting can be restarted by only removing the wire breakage position from the roller and storing the roller into the take-up pulley after the wire breakage is repaired by re-welding.
Description
Technical Field
The invention relates to a broken wire protection device for a high-speed multi-wire cutting machine.
Background
At present, the multi-wire cutting machine can often encounter broken wire trouble at slicing operation, and broken wire leads to the holistic rejection of processing work piece easily, therefore current cutting machine all provides a take broken wire protection device of proximity switch response piece (like CN108044820A, name "simple and practical's multi-wire cutting machine broken wire protection device"), and its common principle is that after the cutting wire broken wire, the cutting wire utilizes its rotatory inertia to break behind the cotton thread to make the induction piece that the cotton thread was pulled drop back proximity switch output signal control make the machine stop operation. However, after the broken wire protection device is broken, after the induction block is separated from the proximity switch, a signal can be given by the system, and the falling time of the induction block after the broken wire can lead to the delay of the signal, along with the rapid development of an integrated circuit and a photovoltaic industry, the cutting speed of the multi-wire cutting machine is faster and faster (more than 1800 m/min), the cut finished product is thinner and thinner (thinner to 0.2 mm), the whole cut wire rod is longer and longer, and the cutting wire is broken on the cutting roller integrally due to one-point delay, so that a fried net is formed, the scrapping of a whole cut workpiece and the scrapping of the whole wire winding net are caused, and tens of thousands of times are lost, so that the whole protection of the broken wire protection device for the broken wire by the high-speed multi-wire cutting machine cannot be realized.
Disclosure of Invention
The invention aims to solve the technical problem of providing a broken wire protection device for a high-speed multi-wire cutting machine aiming at the defects of the prior art.
The technical scheme adopted for solving the technical problems is as follows: a broken wire protection device for high-speed multi-wire saw, including conductive component, grounding subassembly, electric wire, current-limiting resistor, power, controller and earth connection, conductive component, grounding subassembly are each other contactless, and two subassemblies are all insulating to be installed on the cutting chamber, keep being close with the roller distance, and two subassembly distances keep being close, conductive component links to each other with the controller through the electric wire, the electric wire is established ties with current-limiting resistor, power, grounding subassembly passes through the earth connection and links to each other with the casing.
Further, electrically conductive subassembly includes conducting rod I, support I, insulating piece II, support II, screw rod I, lock nut and electrically conductive cover I, on the support I was arranged in to conducting rod I one end to link to each other with insulating piece I, the other end is installed on screw rod I, screw rod I passes support II and links to each other with electrically conductive cover I to lock on support II with lock nut, support II links to each other with insulating piece II, electrically conductive cover I links to each other with the controller through the electric wire.
Further, the grounding assembly comprises a conducting rod II, an insulating block III, an insulating block IV, a connecting plate, a conducting sleeve II and a screw rod II, one end of the conducting rod II is arranged on the insulating block III, the other end of the conducting rod II is arranged on the screw rod II, the screw rod II penetrates through the insulating block IV, the conducting sleeve II tightly connects the connecting plate, the screw rod II and the insulating block IV together, and the connecting plate is connected with the machine shell through a grounding wire.
Further, the power supply is a 24V power supply.
Further, the controller is a PLC controller.
Further, the conductive component and the grounding component are close to the roller side by side, so that the cutting line is ensured to be broken and then is simultaneously beaten on the conductive rod I and the conductive rod II, and effective grounding is formed.
The invention relates to a broken wire protection device for a high-speed multi-wire cutting machine, which comprises the following principle: the conductive component and the grounding component are insulated from the cutting chamber, when the multi-wire cutting machine cuts normally and is not broken, the PLC receives a 24V continuous signal from the power supply, wherein the 24V power supply is connected through a current limiting resistor, and the occurrence of short circuit faults of the 24V power supply when the cutting wire is broken is avoided. The cutting line is broken in two cases, one is a single-head broken line, after one end of the cutting line is broken, because the cutting line is a conductor, when the cutting line is in contact with the conducting rod I on the conducting assembly, the conducting rod I is conducted with the cutting line, so that the conducting rod I is communicated with the ground, 0V voltage is output to the controller, and the controller sends a shutdown instruction; the second type is double-end broken string, at this moment the cutting line breaks off with other parts, only links to each other with the roller, and the roller top coating is the insulator, and independent conductive component can't realize the ground connection, sets up that a set of grounding component is continuous with the casing with the earth connection, and after the double-end broken string, the cutting line can link together conducting rod I, conducting rod II to the output 0V voltage gives the controller after realizing that conductive component switches on with the grounding component, the controller sends out the shutdown instruction.
The broken wire protection device for the high-speed multi-wire cutting machine has the advantages of simple structure, low manufacturing cost, convenience in installation, no delay and capability of avoiding huge loss caused by scrapping of bar and cutting wires due to wire breakage, reducing complex working procedures of a cleaning complete machine due to wire breakage, and restarting cutting only by removing a broken wire from a roller to a wire take-up wheel after re-welding and repairing the broken wire.
Drawings
FIG. 1 is a schematic diagram of a wire breakage protection apparatus for a high speed multi-wire saw in accordance with the present invention;
FIG. 2 is a mechanical component layout of the wire break protection device for a high speed multi-wire saw of the present invention;
FIG. 3 is a schematic diagram of the conductive assembly of the wire break protection device for a high speed multi-wire saw according to the present invention;
FIG. 4 is a schematic view of the grounding assembly of the wire breakage protection apparatus for a high speed multi-wire saw of the present invention;
fig. 5 is a schematic installation diagram of the wire breakage protection device for the high-speed multi-wire saw of the present invention:
FIG. 6 is an enlarged view of section II of FIG. 5;
FIG. 7 is a schematic diagram of an application of the wire break protection device for a high speed multi-wire saw of the present invention;
wherein: 1 a cutting chamber, 2 rollers, 3 cutting lines and 4 broken line protection devices; 4-1 conductive components, 4-2 grounding components, 4-3 conductive wires, 4-4 current limiting resistors, 4-5 power supplies, 4-6 PLC controllers and 4-7 grounding wires; 4-1-1 conducting rod I, 4-1-2 support I, 4-1-3 insulating block I, 4-1-4 insulating block II, 4-1-5 support II, 4-1-6 screw rod I, 4-1-7 lock nut, 4-1-8 conducting sleeve I, 4-2-1 conducting rod II, 4-2-2 insulating block III, 4-2-3 insulating block IV, 4-2-4 connecting plate, 4-2-5 conducting sleeve II, 4-2-6 screw rod II.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Examples
Referring to fig. 1, 2 and 7, the broken wire protection device for the high-speed multi-wire cutting machine comprises a conductive component 4-1, a grounding component 4-2, a conductive wire 4-3, a current limiting resistor 4-4, a power supply 4-5, a PLC controller 4-6 and a grounding wire 4-7, wherein the conductive component 4-1 and the grounding component 4-2 are not contacted with each other, are both installed on a cutting chamber 1 in an insulating manner, are kept close to a roller 2 in a distance, are kept close to each other in a distance, the conductive component 4-1 is connected with the PLC controller 4-6 through the conductive wire 4-3, the conductive wire 4-3 is connected with the current limiting resistor 4-4 and the power supply 4-5 in series, and the grounding component 4-2 is connected with a machine shell through the grounding wire 4-7.
Referring to fig. 3-4, the conductive assembly 4-1 comprises a conductive rod i 4-1-1, a bracket i 4-1-2, an insulating block i 4-1-3, an insulating block ii 4-1-4, a bracket ii 4-1-5, a screw rod i 4-1-6, a lock nut 4-1-7 and a conductive sleeve i 4-1-8, wherein one end of the conductive rod i 4-1-1 is arranged on the bracket i 4-1-2 and is connected with the insulating block i 4-1-3, the other end of the conductive rod is arranged on the screw rod i 4-1-6, the screw rod i 4-1-6 passes through the bracket ii 4-1-5 and is connected with the conductive sleeve i 4-1-8, and is locked on the bracket ii 4-1-5 by a lock nut 4-1-7, the bracket ii 4-1-5 is connected with the insulating block ii 4-1-4, and the conductive sleeve i 4-1-8 is connected with the PLC controller 4-6 by the conductive wire 4-3.
Referring to fig. 5-6, the grounding assembly 4-2 comprises a conductive rod ii 4-2-1, an insulating block iii 4-2-2, an insulating block iv 4-2-3, a connecting plate 4-2-4, a conductive sleeve ii 4-2-5 and a screw rod ii 4-2-6, wherein one end of the conductive rod ii 4-2-1 is arranged on the insulating block iii 4-2-2, the other end is arranged on the screw rod ii 4-2-6, the screw rod ii 4-2-6 penetrates through the insulating block iv 4-2-3, the conductive sleeve ii 4-2-5 tightly connects the connecting plate 4-2-4, the screw rod ii 4-2-6 and the insulating block iv 4-2-3 together, and the connecting plate 4-2-4 is connected with the casing through a grounding wire 4-7.
In this embodiment, the power source 4-5 is a 24V power source. The power supply 4-5 is connected with the PLC 4-6 through a current limiting resistor 4-4, so that short circuit faults of the power supply 4-5 are avoided when the cutting line 3 is broken.
In this embodiment, the conductive component 4-1 and the grounding component 4-2 are parallel to each other and close to the roller 2, so as to ensure that the cutting line 3 is simultaneously driven on the conductive rod I4-1-1 and the conductive rod II 4-2-1 after being broken, thereby forming effective grounding.
The installation schematic diagram of the wire breakage protection device for the high-speed multi-wire cutting machine in this embodiment is shown in fig. 7, wherein the wire breakage protection device 4 is installed in the inner cavity of the cutting chamber 1 and is close to the roller 2, and the cutting wire 3 is wound on the coating (resin) of the roller 2, so that the cutting wire 3 can be beaten on two conductive rods of the wire breakage protection device 4 by means of high-speed rotation inertia after wire breakage.
The mode of the protection of the broken wire protection device for the high-speed multi-wire cutting machine in the embodiment is as follows: the conductive component 4-1 and the grounding component 4-2 are insulated from the cutting chamber 1, when the multi-wire cutting machine cuts normally and is not broken, the PLC controller 4-6 receives a 24V continuous signal from the power supply 4-5, wherein the power supply 4-5 is connected through a current limiting resistor 4-4, and the occurrence of short circuit fault of the 24V power supply when the cutting wire is broken is avoided. The cutting line 3 is broken in two cases, one is a single-end broken line, after one end of the type is broken, because the cutting line 3 is a conductor, when the cutting line 3 is in contact with the conducting rod I4-1-1 on the conducting component 4-1, the conducting rod I4-1-1 is conducted with the cutting line 3, so that the conducting rod I4-1-1 is communicated with the ground, 0V voltage is output to the PLC controller 4-6, and the PLC controller 4-6 sends a shutdown instruction; the second is double-end broken line, at this moment, the cutting line 3 is disconnected with other parts and only connected with the roller 2, the upper coating layer of the roller 2 is an insulator, the grounding of the independent conductive component 4-1 cannot be realized, a set of grounding component 4-2 is connected with the machine shell by using the grounding wire 4-7, after double-end broken line, the cutting line 3 can connect the conductive rod I4-1-1 and the conductive rod II 4-2-1 together, so that the conductive component 4-1 and the grounding component 4-2 are conducted and then grounded to output 0V voltage to the PLC controller 4-6, and the PLC controller 4-6 sends a shutdown instruction.
The broken wire protection device for the high-speed multi-wire cutting machine has a simple structure, is stopped immediately after the broken wire is cut at a high speed, has no delay, can avoid huge loss caused by scrapping of bar materials and cutting wires due to the broken wire, and can reduce complex working procedures of cleaning the whole machine due to the broken wire.
Claims (2)
1. A broken wire protection device for high-speed multi-wire saw, its characterized in that: the device comprises a conductive component, a grounding component, a conductive wire, a current limiting resistor, a power supply, a controller and a grounding wire, wherein the conductive component and the grounding component are not contacted with each other, and are both installed on a cutting chamber in an insulating manner and keep close to the distance between the roller and the roller, the distance between the two components is kept close to the roller, the conductive component is connected with the controller through the conductive wire, the conductive wire is connected with the current limiting resistor and the power supply in series, and the grounding component is connected with a machine shell through the grounding wire; the conductive assembly comprises a conductive rod I, a support I, an insulating block II, a support II, a screw rod I, a locking nut and a conductive sleeve I, wherein one end of the conductive rod I is arranged on the support I and connected with the insulating block I, the other end of the conductive rod I is arranged on the screw rod I, the screw rod I penetrates through the support II to be connected with the conductive sleeve I and is locked on the support II through the locking nut, the support II is connected with the insulating block II, and the conductive sleeve I is connected with the controller through a conductive wire; the grounding assembly comprises a conducting rod II, an insulating block III, an insulating block IV, a connecting plate, a conducting sleeve II and a screw rod II, one end of the conducting rod II is arranged on the insulating block III, the other end of the conducting rod II is arranged on the screw rod II, the screw rod II penetrates through the insulating block IV, the conducting sleeve II tightly connects the connecting plate, the screw rod II and the insulating block IV together, and the connecting plate is connected with the machine shell through a grounding wire; the controller is a PLC controller; the conductive component and the grounding component are close to the roller side by side so as to ensure that the cutting line is simultaneously beaten on the conductive rod I and the conductive rod II after being broken, thereby forming effective grounding.
2. The wire breakage protection device for a high-speed multi-wire saw of claim 1, wherein: the power supply is a 24V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811595483.9A CN109648721B (en) | 2018-12-25 | 2018-12-25 | Broken wire protection device for high-speed multi-wire cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811595483.9A CN109648721B (en) | 2018-12-25 | 2018-12-25 | Broken wire protection device for high-speed multi-wire cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109648721A CN109648721A (en) | 2019-04-19 |
| CN109648721B true CN109648721B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811595483.9A Active CN109648721B (en) | 2018-12-25 | 2018-12-25 | Broken wire protection device for high-speed multi-wire cutting machine |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201645673U (en) * | 2010-06-01 | 2010-11-24 | 英利能源（中国）有限公司 | Grounding detecting system of multi-wire slicon wafer cutter and detection electrode of grounding detecting system |
| CN102343632A (en) * | 2011-09-29 | 2012-02-08 | 中国电子科技集团公司第四十五研究所 | Line breakage detection method for multi-line cutting of silicon wafers |
| CN203805165U (en) * | 2014-04-25 | 2014-09-03 | 常州贝斯塔德机械科技有限公司 | Wire breaking detection device of multi-wire cutting machine |
| CN204278275U (en) * | 2014-12-09 | 2015-04-22 | 吕春哲 | A kind of numerical control multi-line cutting machine broken wire protecting equipment |
| CN105666715A (en) * | 2016-03-29 | 2016-06-15 | 阳光硅峰电子科技有限公司 | Silicon ingot cutting machine with novel hypersensitive wire break alarm devices |
| CN206484747U (en) * | 2017-01-10 | 2017-09-12 | 浙江晶盛机电股份有限公司 | A kind of broken thread detector for sapphire wafer multi-line cutting machine |
| CN207509512U (en) * | 2018-02-14 | 2018-06-19 | 杞县东磁新能源有限公司 | A kind of silicon ingot cutting machine with novel wire break alarm device |
| CN208179989U (en) * | 2017-12-27 | 2018-12-04 | 平凉中电科新能源技术有限公司 | A kind of multi-line cutting machine modified burn out detection structure |
| CN209633488U (en) * | 2018-12-25 | 2019-11-15 | 宇晶机器（长沙）有限公司 | Broken wire protecting equipment for high speed multi-line cutting machine |
-
2018
- 2018-12-25 CN CN201811595483.9A patent/CN109648721B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201645673U (en) * | 2010-06-01 | 2010-11-24 | 英利能源（中国）有限公司 | Grounding detecting system of multi-wire slicon wafer cutter and detection electrode of grounding detecting system |
| CN102343632A (en) * | 2011-09-29 | 2012-02-08 | 中国电子科技集团公司第四十五研究所 | Line breakage detection method for multi-line cutting of silicon wafers |
| CN203805165U (en) * | 2014-04-25 | 2014-09-03 | 常州贝斯塔德机械科技有限公司 | Wire breaking detection device of multi-wire cutting machine |
| CN204278275U (en) * | 2014-12-09 | 2015-04-22 | 吕春哲 | A kind of numerical control multi-line cutting machine broken wire protecting equipment |
| CN105666715A (en) * | 2016-03-29 | 2016-06-15 | 阳光硅峰电子科技有限公司 | Silicon ingot cutting machine with novel hypersensitive wire break alarm devices |
| CN206484747U (en) * | 2017-01-10 | 2017-09-12 | 浙江晶盛机电股份有限公司 | A kind of broken thread detector for sapphire wafer multi-line cutting machine |
| CN208179989U (en) * | 2017-12-27 | 2018-12-04 | 平凉中电科新能源技术有限公司 | A kind of multi-line cutting machine modified burn out detection structure |
| CN207509512U (en) * | 2018-02-14 | 2018-06-19 | 杞县东磁新能源有限公司 | A kind of silicon ingot cutting machine with novel wire break alarm device |
| CN209633488U (en) * | 2018-12-25 | 2019-11-15 | 宇晶机器（长沙）有限公司 | Broken wire protecting equipment for high speed multi-line cutting machine |
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| CN109648721A (en) | 2019-04-19 |
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