CN201559264U - Numerical control multi-wire slicing machine with stable and constant tension - Google Patents
Numerical control multi-wire slicing machine with stable and constant tension Download PDFInfo
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- CN201559264U CN201559264U CN2009202114302U CN200920211430U CN201559264U CN 201559264 U CN201559264 U CN 201559264U CN 2009202114302 U CN2009202114302 U CN 2009202114302U CN 200920211430 U CN200920211430 U CN 200920211430U CN 201559264 U CN201559264 U CN 201559264U
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Abstract
The utility model relates to the field of plate cutting machinery, in particular to a numerical control multi-wire slicing machine with stable and constant tension, which comprises an underpan, a framework, a trolley, a workbench, a cutting roll, a cutting head frame, a wire guide roller, a wire arranging and winding portion and an electric appliance cabinet. The numerical control multi-wire slicing machine is characterized in that two slide tracks are arranged on the underpan, the trolley is placed on the slide tracks, the workbench is fixed between the slide track, the framework is fixed at the rear of the underpan, the cutter head frame is arranged above the workbench and fixed on a transverse beam of the framework, the cutting roll is fixed under the cutting head frame, the rear portion of the cutting roll is connected with the wire arranging and winding portion fixed on a base of the framework, a cutting wire is connected with a winding roller of the wire arranging and winding portion and the cutting roll, and the electric appliance cabinet is fixed at the rear of the framework. The numerical control multi-wire slicing machine is a silicon slice cutting machine with high processing capacity, high processing precision and high material utilization.
Description
Technical field
The utility model relates to sheet cutting machine tool field, is specially a kind of multifibres slicer of numerical control steady tension force.
Background technology
The silicon chip cutting is the upstream key technology that the leading material crystals silicon chip of photovoltaic industry is produced, and the quality of cutting and scale directly have influence on the subsequent production of whole industry chain.At present, silicon chip is cut into slices, and the interior circle of more employing cuts and the multifibres cutting of free abrasive particle.Interior circle cutting is traditional processing method, and the utilization rate of material only is about 40%～50%, and simultaneously, because structural limitations, interior round cutting can't be processed the above big-and-middle diameter silicon chip of 200mm.The multifibres cutting technique is a novel silicon chip cutting technique that emerges in recent years, and it carries out attrition process by wire drive carborundum abrasive and cuts silicon chip.Compare with traditional interior circle cutting, but the multifibres cutting has that cutting efficiency height, spillage of material are little, cost reduction, silicon chip surface quality height cutting large size material, make things convenient for characteristics such as following process.The multifibres cutting technique also exists because cutter damage proportion in the materials processing loss of multifibres cutting is big, can reach more than 50% but at present; The smear metal grain of material is small, coexist as in the lapping liquid separation costs height, degradation defective under the cutting efficiency.
Summary of the invention
In order to overcome the defective of prior art, the silicon chip cutter tool of a kind of high working ability, high manufacturing accuracy, high stock utilization is provided, the utility model discloses a kind of multifibres slicer of numerical control steady tension force.
The utility model reaches goal of the invention by following technical solution:
A kind of multifibres slicer of numerical control steady tension force, comprise the chassis, frame, chassis, workbench, cutting roller, the cutting headstock, guide roller, row silk winding section and Electric Appliance Cabinet, its structure is: two slide rails are arranged on the chassis, chassis places on the slide rail, be fixed with workbench between the slide rail, fixed frame behind the chassis, the workbench top is the cutting headstock, the cutting headstock is fixed on the crossbeam of frame, be fixed with cutting roller under the cutting headstock, the cutting roller rear portion is connected with row's silk winding section, and row's silk winding section is fixed on the base of frame, the cutting silk connects the reel and the cutting roller of row's silk winding section, is fixed with Electric Appliance Cabinet after the frame.
The multifibres slicer of described numerical control steady tension force, its structure is: the Tension Difference to the reel of row's silk winding section of being wound with cutting silk adopts the constant tension control system of no pressure sensor to carry out the PID dynamic operation, and the constant tension control system of no pressure sensor is made up of servomotor, tension arm, escapement, guide wheel.
The multifibres slicer of described numerical control steady tension force, its structure is: the hunting range of row silk winding section escapement is ° 0～65.0 °.
The multifibres slicer of described numerical control steady tension force, its structure is: in the cutting headstock servomotor is installed, drive cutting main shaft and the rotation of tangent line wheel by the polywedge bet transmission, the cutting silk is imported through the lead-in wire wheel by row's silk winding section, derives go back to row's silk winding section by deriving the line wheel.
The multifibres slicer of described numerical control steady tension force, its structure is: be carved with ten V-shaped groove on the cutting roller, the cutting silk is embedded in the V-shaped groove.
The multifibres slicer of described numerical control steady tension force, its structure is: cutting roller has 40, per 10 shared one main shafts.
The tension force control flow of the constant tension control system of no pressure sensor is: read tension arm value → judge whether steel wire breaks → as steel wire and do not break and then calculate tension arm angular deviation value → do PID computing → calculating receiving/releasing volume rotating speed → normal operation → judgement cutting whether to finish, when steel wire is walked, because when given tension force and steel wire tension generation deviation, the swing of line retracting tension arm changes, the encoder angle changes, the value that changes when angle is during in certain scope, PID carries out computing and the result of PID computing is progressively increased to receiving/releasing volume rotating speed, make the swing of line retracting tension arm get back to balance position, the PID computing divides incomplete differential and complete differential, the PID operational formula of incomplete differential has added the PID control of the filter of once delaying time in the input of differential term, its computing formula is:
Positive action: EVn=PVfn
*-SV
ΔMV＝Kp{(EVn-EVn-1)+EVn+Dn}
Dn＝(PVfn-2PVfn-1+PVn-2)+Dn-1
MVn＝∑ΔMV
Counteragent:
Evn＝＝SV-PVfn
*
ΔMV＝Kp{(EVn-EVn-1)+Evn+Dn}
Dn＝(-PVfn+2PVfn-1-Pven-2)+Dn-1
MVn＝∑ΔMV
In the formula:
Evn: the deviation when current sampling
Evn-1: the deviation in a last sampling period
SV:: the value of setting
PVfn: the measured value during current sampling (filtering the back)
PVfn-1: the measured value in a last sampling period (filtering the back)
PVfn-2: the measured value in sampling period before two cycles (filtering the back)
Δ MV: output changing value
MVn: current operating value
Dn: current differential value
Dn-1: the differential term in a last sampling period
TS: sampling period
KP: proportionality constant
Ti: integral constant
Td: derivative constant
Kd: the differential gain
The PID computing of complete differential is to use the input PID control of differential term, and its computing formula is:
Positive action:
Evn＝PVfn
*-SV
ΔMV＝Kp{(EVn-EVn-1)+Evn+Dn}
Dn＝(PVfn-2PVfn-1+PVfn-2)
MVn＝∑ΔMV
Counteragent:
Evn＝＝SV-PVfn
*
ΔMV＝Kp{(EVn-EVn-1)+EVn+Dn}
Dn＝(-PVfn+2PVfn-1-PVn-2)
MVn＝∑ΔMV
In the formula:
Evn: the deviation when current sampling
Evn-1: the deviation in a last sampling period
SV:: the value of setting
PVfn: the measured value during current sampling (filtering the back)
PVfn-1: the measured value in a last sampling period (filtering the back)
PVfn-2: the measured value in sampling period before two cycles (filtering the back)
Δ MV: output changing value
MVn: current operating value
Dn: current differential value
TS: sampling period
KP: proportionality constant
Ti: integral constant
Td: derivative constant.
When the utility model uses, silicon rod to be cut is delivered to workbench with chassis,, implement steady, high-precision cutting by the tension force that the constant tension control system of no pressure sensor carries out PID dynamic operation control cutting thread.
The utility model control system adopts total control techniques, realizes the super top-down reposefully cutting mode of high accuracy.The cutting area motor, ground, tension force retractable cable ground motor is selected the high-performance servomotor entirely for use, and response is fast, the conditioned reaction sensitivity.
The utility model adopts the super large man-machine interface clear bright, and mode of operation shows hommization especially, and is easy to be clear and definite, easy to learn.Duty and fault show one act is clear, and maintains easily management.The work Working position is reasonable in design, and loading and unloading are quick, and high-sensitive mass flow is designed to the temperature of lapping liquid, flow, and concentration is given security.
The beneficial effects of the utility model are that main shaft synchronous operation, main shaft and paying out reel, the synchronous operation of take-up axle, the cutting thread tension that the constant tension control system by no pressure sensor has reached the cutting roller is consistent in running, cutting speed keeps stable purpose, having good dynamic response and height reliability simultaneously, is the silicon chip cutter tool of a kind of high working ability, high manufacturing accuracy, high stock utilization.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is with its each the spot size schematic diagram of crystal ingot after the present invention's cutting.
The specific embodiment
Further specify the utility model below by specific embodiment:
Embodiment 1
A kind of multifibres slicer of numerical control steady tension force, comprise chassis 1, frame 2, chassis 3, workbench 4, cutting roller 5, the cutting headstock 6, guide roller 7, row's silk winding section 8, Electric Appliance Cabinet 9, as shown in Figure 1, concrete structure is: two slide rails are arranged on the chassis 1, chassis 3 places on the slide rail, be fixed with workbench 4 between the slide rail, chassis 1 back fixed frame 2, workbench 4 tops are cutting headstocks 6, the cutting headstock 6 is fixed on the crossbeam of frame 2, the cutting headstock is fixed with cutting roller 56 times, in the cutting headstock 6 servomotor is installed, drive cutting main shaft and the rotation of tangent line wheel by the polywedge bet transmission, the cutting silk is imported through the lead-in wire wheel by row's silk winding section 8, derives go back to row's silk winding section 8 by deriving the line wheel, cutting roller 5 rear portions are connected with row's silk winding section 8, row's silk winding section 8 is fixed on the base of frame 2, and the cutting silk connects the reel and the cutting roller 5 of row's silk winding section 8, is fixed with Electric Appliance Cabinet 9 after the frame 2.
Tension Difference to the reel of row's silk winding section 8 of being wound with cutting silk adopts the constant tension control system of no pressure sensor to carry out the PID dynamic operation, and the constant tension control system of no pressure sensor is made up of servomotor, tension arm, escapement, guide wheel.The hunting range of row's silk winding section 8 escapements is 0 °～65.0 °.
The tension force control flow of the constant tension control system of no pressure sensor is: read tension arm value → judge whether steel wire breaks → as steel wire and do not break and then calculate tension arm angular deviation value → do PID computing → calculating receiving/releasing volume rotating speed → normal operation → judgement cutting whether to finish.
When steel wire is walked, because when given tension force and steel wire tension generation deviation, the swing of line retracting tension arm changes, the encoder angle changes, the value that changes when angle is during in certain scope, PID carries out computing and the result of PID computing is progressively increased to receiving/releasing volume rotating speed, make the swing of line retracting tension arm get back to balance position, the PID computing divides incomplete differential and complete differential, the PID operational formula of incomplete differential has added the PID control of the filter of once delaying time in the input of differential term, its computing formula is:
Positive action: EVn=PVfn
*-SV
ΔMV＝Kp{(EVn-EVn-1)+EVn+Dn}
Dn＝(PVfn-2PVfn-1+PVn-2)+Dn-1
MVn＝∑ΔMV
Counteragent:
Evn＝＝SV-PVfn
*
ΔMV＝Kp{(EVn-EVn-1)+Evn+Dn}
Dn＝(-PVfn+2PVfn-1-Pven-2)+Dn-1
MVn＝∑ΔMV
In the formula:
Evn: the deviation when current sampling
Evn-1: the deviation in a last sampling period
SV:: the value of setting
PVfn: the measured value during current sampling (filtering the back)
PVfn-1: the measured value in a last sampling period (filtering the back)
PVfn-2: the measured value in sampling period before two cycles (filtering the back)
Δ MV: output changing value
MVn: current operating value
Dn: current differential value
Dn-1: the differential term in a last sampling period
TS: sampling period
KP: proportionality constant
Ti: integral constant
Td: derivative constant
Kd: the differential gain
The PID computing of complete differential is to use the input PID control of differential term, and its computing formula is:
Positive action:
Evn＝PVfn
*-SV
ΔMV＝Kp{(EVn-EVn-1)+Evn+Dn}
Dn＝(PVfn-2PVfn-1+PVfn-2)
MVn＝∑ΔMV
Counteragent:
Evn＝＝SV-PVfn
*
ΔMV＝Kp{(EVn-EVn-1)+EVn+Dn}
Dn＝(-PVfn+2PVfn-1-PVn-2)
MVn＝∑ΔMV
In the formula:
Evn: the deviation when current sampling
Evn-1: the deviation in a last sampling period
SV:: the value of setting
PVfn: the measured value during current sampling (filtering the back)
PVfn-1: the measured value in a last sampling period (filtering the back)
PVfn-2: the measured value in sampling period before two cycles (filtering the back)
Δ MV: output changing value
MVn: current operating value
Dn: current differential value
TS: sampling period
KP: proportionality constant
Ti: integral constant
Td: derivative constant.
When the utility model uses, silicon rod to be cut is delivered to workbench with chassis,, implement steady, high-precision cutting by the tension force that the constant tension control system of no pressure sensor carries out PID dynamic operation control cutting thread.
The upper, middle and lower dimensional discrepancy of cutting back crystal ingot≤± 0.2mm.Crystal ingot as shown in Figure 2, its horizontal direction are that the size of x direction upper, middle and lower is respectively X
1, X
2And X
3, vertical direction is that the size of y direction upper, middle and lower is respectively Y
1, Y
2And Y
3, optional 25, the concrete numerical value of each size as shown in Table 1:
Table one: cutting back crystal ingot dimensional discrepancy (unit: mm)
| Sequence number | X1 | X2 | X3 | Y1 | Y2 | Y3 |
| 1 | 156.52 | 156.50 | 156.48 | 156.52 | 156.58 | 156.60 |
| Sequence number | X1 | X2 | X3 | Y1 | Y2 | Y3 |
| 2 | 156.68 | 156.60 | 156.60 | 156.62 | 156.46 | 156.46 |
| 3 | 156.66 | 156.58 | 156.58 | 156.58 | 156.56 | 156.50 |
| 4 | 156.48 | 156.54 | 156.54 | 156.46 | 156.48 | 156.48 |
| 5 | 156.42 | 156.48 | 156.50 | 156.46 | 156.58 | 156.50 |
| 6 | 156.60 | 156.50 | 156.50 | 156.54 | 156.68 | 156.62 |
| 7 | 156.60 | 156.56 | 156.56 | 156.50 | 156.48 | 156.48 |
| 8 | 156.50 | 156.48 | 156.50 | 156.56 | 156.50 | 156.52 |
| 9 | 156.46 | 156.48 | 156.46 | 156.50 | 156.40 | 156.46 |
| 10 | 156.50 | 156.50 | 156.50 | 156.44 | 156.64 | 156.48 |
| 11 | 156.50 | 156.58 | 156.48 | 156.58 | 156.70 | 156.62 |
| 12 | 156.50 | 156.58 | 156.52 | 156.56 | 156.54 | 156.48 |
| 13 | 156.54 | 156.54 | 156.48 | 156.56 | 156.54 | 156.48 |
| 14 | 156.50 | 156.54 | 156.50 | 156.44 | 156.50 | 156.44 |
| 15 | 156.54 | 156.54 | 156.50 | 156.54 | 156.68 | 156.60 |
| 16 | 156.54 | 156.58 | 156.46 | 156.60 | 156.68 | 156.64 |
| 17 | 156.58 | 156.48 | 156.44 | 156.54 | 156.54 | 156.50 |
| 18 | 156.56 | 156.54 | 156.48 | 156.60 | 156.6 | 156.50 |
| 19 | 156.50 | 156.48 | 156.40 | 156.42 | 156.44 | 156.42 |
| 20 | 156.58 | 156.52 | 156.48 | 156.48 | 156.70 | 156.50 |
| 21 | 156.62 | 156.62 | 156.64 | 156.60 | 156.60 | 156.60 |
| Sequence number | X1 | X2 | X3 | Y1 | Y2 | Y3 |
| 22 | 156.50 | 156.62 | 156.58 | 156.42 | 156.48 | 156.42 |
| 23 | 156.52 | 156.66 | 156.62 | 156.54 | 156.54 | 156.50 |
| 24 | 156.52 | 156.68 | 156.60 | 156.48 | 156.48 | 156.40 |
| 25 | 156.58 | 156.66 | 156.60 | 156.56 | 156.64 | 156.58 |
Embodiment 2
A kind of multifibres slicer of numerical control steady tension force is carved with ten V-shaped groove on the cutting roller 5, the cutting silk is embedded in the V-shaped groove, and other structures are all same with embodiment 1.
Claims (6)
1. the multifibres slicer of a numerical control steady tension force, comprise chassis (1), frame (2), chassis (3), workbench (4), cutting roller (5), the cutting headstock (6), guide roller (7), row silk winding section (8) and Electric Appliance Cabinet (9), it is characterized in that: two slide rails are arranged on chassis (1), chassis (3) places on the slide rail, be fixed with workbench (4) between the slide rail, back, chassis (1) fixed frame (2), workbench (4) top is the cutting headstock (6), the cutting headstock (6) is fixed on the crossbeam of frame (2), be fixed with cutting roller (5) under the cutting headstock (6), cutting roller (5) rear portion is connected with row's silk winding section (8), row silk winding section (8) is fixed on the base of frame (2), the cutting silk connects the reel and the cutting roller (5) of row silk winding section (8), is fixed with Electric Appliance Cabinet (9) after the frame (2).
2. the multifibres slicer of numerical control steady tension force as claimed in claim 1, it is characterized in that: the Tension Difference to the reel of row's silk winding section (8) of being wound with cutting silk adopts the constant tension control system of no pressure sensor to carry out the PID dynamic operation, and the constant tension control system of no pressure sensor is made up of servomotor, tension arm, escapement, guide wheel.
3. the multifibres slicer of numerical control steady tension force as claimed in claim 1 is characterized in that: the hunting range of row's silk winding section (8) escapement is 0 °～65.0 °.
4. the multifibres slicer of numerical control steady tension force as claimed in claim 1, it is characterized in that: servomotor is installed in the cutting headstock (6), drive cutting main shaft and the rotation of tangent line wheel by the polywedge bet transmission, the cutting silk is imported through the lead-in wire wheel by row silk winding section (8), derives go back to row's silk winding section (8) by deriving the line wheel.
5. the multifibres slicer of numerical control steady tension force as claimed in claim 1 is characterized in that: cutting roller is carved with ten V-shaped groove on (5), and the cutting silk is embedded in the V-shaped groove.
6. the multifibres slicer of numerical control steady tension force as claimed in claim 1 is characterized in that: cutting roller (5) has 40, per 10 shared one main shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202114302U CN201559264U (en) | 2009-10-28 | 2009-10-28 | Numerical control multi-wire slicing machine with stable and constant tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202114302U CN201559264U (en) | 2009-10-28 | 2009-10-28 | Numerical control multi-wire slicing machine with stable and constant tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201559264U true CN201559264U (en) | 2010-08-25 |
Family
ID=42624410
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202114302U Expired - Lifetime CN201559264U (en) | 2009-10-28 | 2009-10-28 | Numerical control multi-wire slicing machine with stable and constant tension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201559264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441284A (en) * | 2014-11-11 | 2015-03-25 | 宁夏嘉翔自控技术有限公司 | Deformation PID control device on paying off machine |
-
2009
- 2009-10-28 CN CN2009202114302U patent/CN201559264U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441284A (en) * | 2014-11-11 | 2015-03-25 | 宁夏嘉翔自控技术有限公司 | Deformation PID control device on paying off machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180518 Address after: 314400 4 buildings in No. 17, Shi Dai Road, Haining Economic Development Zone, Haining, Jiaxing, Zhejiang Patentee after: Haining Dijin science and Technology Co., Ltd. Address before: No. 1302, nine dry road, Si Jing Town, Songjiang District, Shanghai Patentee before: Shanghai Nissin Machine Tool Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180803 Address after: 314400 6 Building 128, Shuang Lian Road, Haining Economic Development Zone, Jiaxing, Zhejiang Patentee after: Zhejiang Ji Ying Precision Machinery Co., Ltd. Address before: 314400 4 buildings in No. 17, Shi Dai Road, Haining Economic Development Zone, Haining, Jiaxing, Zhejiang Patentee before: Haining Dijin science and Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |
|
| CX01 | Expiry of patent term |