CN209504596U - Steel wire guide wheel device of silicon wafer line cutting machine and silicon wafer line cutting machine - Google Patents
Steel wire guide wheel device of silicon wafer line cutting machine and silicon wafer line cutting machine Download PDFInfo
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- CN209504596U CN209504596U CN201821851000.2U CN201821851000U CN209504596U CN 209504596 U CN209504596 U CN 209504596U CN 201821851000 U CN201821851000 U CN 201821851000U CN 209504596 U CN209504596 U CN 209504596U
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- wire guide
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 72
- 239000010959 steel Substances 0.000 title claims abstract description 72
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 31
- 239000010703 silicon Substances 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 26
- 238000010586 diagram Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model provides a steel wire guide wheel device of a silicon wafer line cutting machine, which comprises a track, a line inlet guide wheel, a line outlet guide wheel, a first bracket and a second bracket; the first end of the track is close to the area for forming the wire mesh, and the second end of the track is far away from the area; the first bracket and the second bracket can move along the track, and the first bracket is positioned between the second bracket and the first end of the track; the outgoing line guide wheel is installed on the second support, and the incoming line guide wheel is installed on the first support. The utility model discloses can effectively ensure that the course of working can continue when surplus steel wire material is short.
Description
Technical field
The utility model relates to field of photovoltaic power generation more particularly to the steel wire guide wheel devices and silicon wafer of a kind of silicon wafer line cutting machine
Line cutting machine.
Background technique
Photovoltaic power 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 is had a very important significance.
Silicon wafer 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, cuts 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 passes through the guidance 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.
Existing line cutting machine may include incoming wire guide wheel and outgoing line guide wheel in the related technology, and steel wire draws via end of incoming cables guide wheel
It leads and enters home roll region formation gauze, the leading-out terminal of gauze returns after outgoing line guide wheel.However, if steel wire material occurs to break
It opens, then when remaining steel wire material falls short of, since the position of incoming wire guide wheel and outgoing line guide wheel is relatively fixed, will lead to steel wire
Process requirements are unable to satisfy, such as the demand that steel wire introduces, steel wire is drawn and gauze is formed can not be met simultaneously, and then lead
Cause can not normal process, further also resulting in the residue steel wire material can only be discarded, and the waste of material is caused.
Utility model content
The utility model provides the steel wire guide wheel device and silicon wafer line cutting machine of a kind of silicon wafer line cutting machine, to solve steel wire material
The problem of can not work normally when less, and leading to waste of material.
It is according to the present utility model in a first aspect, provide a kind of steel wire guide wheel device of silicon wafer line cutting machine, including track,
Incoming wire guide wheel, outgoing line guide wheel, first support and second support；The close region for being used to form gauze of the first end of the track,
The second end of the track is far from the region；The first support can be moved with the second support along the track, and
The first support is between the second support and the first end of the track；The outgoing line guide wheel is installed on described second
Bracket, the incoming wire guide wheel are installed on the first support.
Optionally, the incoming wire guide wheel is installed on the side of the first end close to the track of the first support.
Optionally, the first support includes lower frame, backing structure and upper frame, and the lower frame is installed on the rail
Road, the backing structure are connected to the side of the second end close to the track of the lower frame, and the upper frame is connected to
The side of the second end close to the track of the backing structure, the incoming wire guide wheel are installed on the close institute of the upper frame
The side of the first end of track is stated, and the incoming wire guide wheel is higher than the lower frame and the backing structure.
Optionally, the backing structure is equipped with the first connecting hole, and the upper frame is equipped with the second connecting hole, the backing plate knot
Corresponding first connecting hole is passed through by connection fixture between structure and the upper frame to be assembled together with the second connecting hole.
Optionally, the backing structure is along to the first connecting hole described in multiple groups is distributed with, the upper frame is along vertical vertically
To the second connecting hole of multiple groups is distributed with；The position of the first connecting hole and the second connecting hole that the connection fixture is passed through is root
According to height change needed for the incoming wire guide wheel.
Optionally, the connection fixture is the first bolt arrangement.
Optionally, the first support determines position of the first support relative to the track by the first locating piece
It sets, the second support determines position of the second support relative to the track by the second locating piece.
Optionally, first locating piece and second locating piece are the second bolt arrangement.
Optionally, the device further includes rotating arm, and the incoming wire guide wheel is connected to the first end of the rotating arm, institute
The second end rotation for stating rotating arm connects the first support, and the axis of rotation of the rotating arm is parallel to the track.
Second aspect according to the present utility model provides a kind of silicon wafer line cutting machine, including first aspect and its optional side
The steel wire guide wheel device for the silicon wafer line cutting machine that case is related to.
The steel wire guide wheel device and silicon wafer line cutting machine of silicon wafer line cutting machine provided by the utility model, pass through track, Yi Jiyan
Track mobile first support and second support realize outgoing line guide wheel in the enterprising wire carrier of first support and second support respectively
It is mobile, in turn, when steel wire occur disconnecting, in order to be suitable for the length of remaining steel wire, can by mobile first support with
Second support changes the position of incoming wire guide wheel and outgoing line guide wheel, can meet the process requirements under shorter remaining steel wire, i.e.,
Can be convenient for reducing the required steel wire length of processing, guarantee process can continue to, meanwhile, the residue steel wire can be ensured without quilt
It is discarded, avoid the waste of material, effectively save cost.
The utility model optinal plan further utilizes lower frame, backing structure and upper frame, so that incoming wire guide wheel is being protected
On the basis of hindering steel wire guidance, when can further adjust two idler positions, limit position of the incoming wire guide wheel relative to outgoing line guide wheel
It sets and changes, so, in the case where the position that incoming wire guide wheel is formed relative to the region of gauze remains unchanged, due to
Outgoing line guide wheel can effectively reduce the length for leading to the steel wire of outgoing line guide wheel, and then can make closer to the first end of track
Steel wire length needed for must processing further reduces, i.e., under the remaining steel wire of more short length, can still ensure that process can
Continue, and ensures the shorter remaining steel wire without being discarded.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the steel wire guide wheel device of silicon wafer line cutting machine in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the steel wire guide wheel device of silicon wafer line cutting machine in another embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the steel wire guide wheel device of silicon wafer line cutting machine in another embodiment of the utility model.
Description of symbols:
1- track；
2- incoming wire guide wheel；
3- outgoing line guide wheel；
4- first support；
41- lower frame；
42- backing structure；
43- upper frame；
44- connection fixture；
5- second support；
The first locating piece of 6-；
The second locating piece of 7-；
8- rotating arm；
9- steel wire.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The specification and claims of the utility model and term " first ", " second ", " third " in above-mentioned attached drawing
(if present)s such as " the 4 " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It answers
The data that the understanding uses in this way are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can
Implemented with the sequence other than those of illustrating or describing herein.In addition, term " includes " and " having " and they
Any deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, being
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or
For the intrinsic other step or units of these process, methods, product or equipment.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is the structural schematic diagram of the steel wire guide wheel device of silicon wafer line cutting machine in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the steel wire guide wheel device of silicon wafer line cutting machine in another embodiment of the utility model.
Please refer to Fig. 1 and Fig. 2, the steel wire guide wheel device of silicon wafer line cutting machine, including track 1, incoming wire guide wheel 2, outgoing line guide wheel
3, first support 4 and second support 5.
The first end of the track 1 is close to the region for being used to form gauze, and the second end of the track 1 is far from the area
Domain, i.e., in Fig. 1 and Fig. 2, the region for forming gauze is located at the right side of track 1, and in turn, right side one end of track 1 is the of track 1
One end.
The effect of incoming wire guide wheel 2 and outgoing line guide wheel 3 can be such as: cutting cabin into steel wire 9 turn to 90 ° around incoming wire guide wheel 2
Afterwards around home roll formation gauze is entered, that is, enter the region for being used to form gauze, then turned to around outgoing line guide wheel 3 by gauze leading-out terminal
Line of return cabin after 90 °.
In the present embodiment, the first support 4 can be moved with the second support 5 along the track 1, and described first
Bracket 4 is between the second support 5 and the first end of the track 1；The outgoing line guide wheel 3 is installed on the second support
5, the incoming wire guide wheel 2 is installed on the first support 4.
First support 4, it will be appreciated that for any structure for being suitable for incoming wire guide wheel 2 and installing that can be achieved to move along track 1.
In one of embodiment, for the ease of the moving along track 1 of first support 4, first support 4 with track 1
The surface of connection may be configured with the structures such as the first idler wheel for being easy to implement sliding, the first ball, and first support may be provided with and rail
The first sliding groove that road 1 matches, in turn, track 1 can be inserted into second sliding slot, and then realize the sliding of the two.
Second support 5, it will be appreciated that for any structure for being suitable for outgoing line guide wheel 3 and installing that can be achieved to move along track 1.It can
Installation is connect with track 1 by second base.
In one of embodiment, for the ease of the moving along track 1 of second support 5, second support 5 with track 1
The surface of connection may be configured with the structures such as the second idler wheel for being easy to implement sliding, the second ball, and second support 5 may be provided with and rail
The second sliding slot that road 1 matches, in turn, track 1 can be inserted into second sliding slot, and then realize the sliding of the two.
Track 1, it will be appreciated that it is mobile can be arbitrarily easy to implement first support 4 and second support 5, so that incoming wire guide wheel
2 the structure of change in location occurs with outgoing line guide wheel 3.
In one of embodiment, track 1 can be linear, and in other optional embodiments, track 1 can also be in arc
The arbitrary shapes such as line, curve, broken line do not depart from as long as track 1 has been used to change the position of incoming wire guide wheel 2 and outgoing line guide wheel 3
The description range of the present embodiment.
The present embodiment is by track, and along the first support and second support that track moves, realizes first support respectively
The movement of outgoing line guide wheel on enterprising wire carrier and second support, in turn, when steel wire disconnection occurs, in order to be suitable for residue
The length of steel wire can change the position of incoming wire guide wheel and outgoing line guide wheel by mobile first support and second support, can
Meet the process requirements under shorter remaining steel wire, can ensure that process can convenient for reducing the steel wire length needed for processing
Continue, meanwhile, it can ensure that the residue steel wire without being discarded, avoids the waste of material, effectively save cost.
Referring to FIG. 1, the device further includes rotating arm 8 in one of embodiment, the incoming wire guide wheel 2 connects
It is connected to the first end of the rotating arm 8, the second end rotation of the rotating arm 8 connects the first support 4, the rotating arm 8
Axis of rotation be parallel to the track 1.
The embodiment can realize rotation of the incoming wire guide wheel 2 relative to first support 4, in order to adapt to the steel of various angles
Line 9 guides.
In one of embodiment, the incoming wire guide wheel 2 is installed on the close track 1 of the first support 4
The side of first end.Under the embodiment, it can avoid first support 4 and interference generated on steel wire 9, is influenced.However, it will cause out
Relative distance is larger between wire carrier 3 and the first end of track 1, in turn, on the basis of Fig. 1 and Fig. 2 illustrated embodiment, if
After the disconnection of steel wire 9 occurs, the steel wire between incoming wire guide wheel 2 and outgoing line guide wheel 39 are moved in incoming wire guide wheel 2 and outgoing line guide wheel 3
It when dividing shortest position, cannot still ensure that remaining steel wire 9 can satisfy process requirements, then still will lead to remaining steel wire 9
Waste of material, still will lead to processing can not continue.Required 9 length of steel wire needs are processed to further reduce.
By taking the line cutting machine of PV500HD as an example, when Fig. 1 and embodiment illustrated in fig. 2 are applied to the line cutting machine, processing is grown
It spends the steel wire less than 165 millimeters and is still unable to satisfy process requirements even if guide wheel is moved to extreme position.
So the present embodiment on the basis of Fig. 1 and Fig. 2 illustrated embodiment, has been further introduced into embodiment party shown in Fig. 3
Formula.
Fig. 3 is the structural schematic diagram of the steel wire guide wheel device of silicon wafer line cutting machine in another embodiment of the utility model.
Referring to FIG. 3, the first support 4 includes lower frame 41, backing structure 42 and upper frame 43, the lower frame 41
It is installed on the track 1, can be moved along track 1, such as track 1 can be installed on by first base, the backing structure 42 connects
It is connected to the side of the second end close to the track 1 of the lower frame 41, the upper frame 43 is connected to the backing structure
The side of 42 second end close to the track 1, the incoming wire guide wheel 2 are installed on the close track of the upper frame 43
The side of 1 first end, and the incoming wire guide wheel 2 is higher than the lower frame and the backing structure.
The embodiment further utilizes lower frame, backing structure and upper frame, so that incoming wire guide wheel draws in guarantee steel wire
On the basis of leading, when can further adjust two idler positions, incoming wire guide wheel becomes relative to the extreme position of outgoing line guide wheel
Change, so, in the case where the position that incoming wire guide wheel is formed relative to the region of gauze remains unchanged, due to outgoing line guide wheel
The length for leading to the steel wire of outgoing line guide wheel can be effectively reduced closer to the first end of track, and then may make processing institute
The steel wire length needed further reduces, i.e., under the remaining steel wire of more short length, can still ensure that process can continue to, and
Ensure the shorter remaining steel wire without being discarded.
In one of embodiment, the backing structure 42 is equipped with the first connecting hole, and the upper frame 43 is equipped with second
Connecting hole, between the backing structure 42 and the upper frame 43 by connection fixture 44 pass through corresponding first connecting hole with
Second connecting hole is assembled together.
Connection fixture therein can be the first bolt arrangement, and corresponding, the first connecting hole and/or the second connecting hole can
To have screw thread corresponding with the first bolt arrangement.Specifically, the first connecting hole can may be through-hole for counterbore, second connects
Connecing hole is usually through-hole.
In other optional embodiments, bolt structure, buckle structure etc. is can also be used in connection fixture, no matter that is, using what
Kind structure, all without departing from the description of the present embodiment.
In specific implementation process, the backing structure 42 along vertically to being distributed with the first connecting hole described in multiple groups, it is described on
Frame body 43 is along vertically to being distributed with the second connecting hole of multiple groups；The first connecting hole and second that the connection fixture 4 is passed through connect
The position for connecing hole is the height change according to needed for the incoming wire guide wheel.
That is: the connection fixture is assemblied in different connecting holes, it can be achieved that upper frame 43 is relative to backing structure 42
Different height position, such as: if the higher position of the first connecting hole of the lower position of selection backing structure 42 and upper frame 43
The second connecting hole when being assembled together, upper frame 43 can be at lower position, so that the incoming wire guide wheel 2 of upper frame 43
It is also at lower position；Again for example: if the first connecting hole and the upper frame 43 of the higher position of selection backing structure 42 is lower
When second connecting hole of position is assembled together, upper frame 43 can be at higher position, so that the inlet wire of upper frame 43
Guide wheel 2 is also at higher position.
Further, in addition to higher position described above and lower position, present embodiment can also be achieved a variety of ladders
The height change of grade, thus, it is changed according to the actual conditions of inlet wire and current 9 situation of steel wire, meets processing need
It asks.As it can be seen that the position in present embodiment between backing structure 42 and upper frame 43 can be fixed, it is also possible to adjustable
's.
In addition, the connection type between backing structure 42 and lower frame 41 can be with the connection of upper frame 43 and backing structure 42
Mode is same or similar.In turn, the two relative position can be fixed, and be also possible to adjustable.
In specific implementation process, by taking the line cutting machine of PV500HD as an example, even if the processing length of wire less than 165 millimeters,
It can also continue to process, and process will not be interfered, it is strong not generating extra working time and not increasing labour
Under conditions of degree, the broken string redemption rate of workpiece can be greatly improved.
Fig. 1 to Fig. 3 is please referred to, the first support 4 determines the first support 4 relative to institute by the first locating piece 6
The position of track 1 is stated, the second support 5 determines the second support 5 relative to the track 1 by the second locating piece 7
Position.
Wherein, first locating piece 6 and second locating piece 7 are the second bolt arrangement.Corresponding, track 1 can be set
There is the pore structure with the cooperation of the second bolt arrangement, can may be counterbore for through-hole, wherein may be configured with and the second screw thread
The screw thread of structure matching.
In other optional embodiments, the first locating piece 6 and the second locating piece 7 or buckle structure, bolt structure,
Bulge-structure, latch structure etc. may be configured with corresponding auxiliary section on track, to realize the locking of position.
The present embodiment additionally provides a kind of silicon wafer line cutting machine, the steel wire guide wheel dress including silicon wafer line cutting machine referred to above
It sets.
In conclusion the steel wire guide wheel device of silicon wafer line cutting machine provided by the utility model and silicon wafer line cutting machine, pass through rail
Road, and the first support and second support that move along track are realized in the enterprising wire carrier of first support and second support respectively
The movement of outgoing line guide wheel when steel wire disconnection occurs, in order to be suitable for the length of remaining steel wire, can pass through movement in turn
First support and second support change the position of incoming wire guide wheel and outgoing line guide wheel, can meet under shorter remaining steel wire
Process requirements, can be convenient for reducing the required steel wire length of processing, and guarantee process can continue to, meanwhile, it can ensure that this is surplus
Remaining steel wire avoids the waste of material, effectively save cost without being discarded.
The utility model optinal plan further utilizes lower frame, backing structure and upper frame, so that incoming wire guide wheel is being protected
On the basis of hindering steel wire guidance, when can further adjust two idler positions, limit position of the incoming wire guide wheel relative to outgoing line guide wheel
It sets and changes, so, in the case where the position that incoming wire guide wheel is formed relative to the region of gauze remains unchanged, due to
Outgoing line guide wheel can effectively reduce the length for leading to the steel wire of outgoing line guide wheel, and then can make closer to the first end of track
Steel wire length needed for must processing further reduces, i.e., under the remaining steel wire of more short length, can still ensure that process can
Continue, and ensures the shorter remaining steel wire without being discarded.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of steel wire guide wheel device of silicon wafer line cutting machine, which is characterized in that including track, incoming wire guide wheel, outgoing line guide wheel, first
Bracket and second support；The first end of the track is close to the region for being used to form gauze, and the second end of the track is far from institute
State region；The first support can be moved with the second support along the track, and the first support is located at described the
Between two brackets and the first end of the track；The outgoing line guide wheel is installed on the second support, the incoming wire guide wheel installation
In the first support.
2. the apparatus according to claim 1, which is characterized in that the incoming wire guide wheel is installed on the close of the first support
The side of the first end of the track.
3. the apparatus of claim 2, which is characterized in that the first support include lower frame, backing structure with it is upper
Frame body, the lower frame are installed on the track, the backing structure be connected to the lower frame close to the of the track
The side at two ends, the upper frame are connected to the side of the second end close to the track of the backing structure, the inlet wire
Guide wheel is installed on the side of the first end close to the track of the upper frame, and the incoming wire guide wheel is higher than the lower frame
With the backing structure.
4. device according to claim 3, which is characterized in that the backing structure is equipped with the first connecting hole, the restocking
Body is equipped with the second connecting hole, passes through corresponding first connection by connection fixture between the backing structure and the upper frame
Hole is assembled together with the second connecting hole.
5. device according to claim 4, which is characterized in that the backing structure is along vertically to being distributed with described in multiple groups the
One connecting hole, the upper frame is along vertically to being distributed with the second connecting hole of multiple groups；The first company that the connection fixture is passed through
The position for connecing hole and the second connecting hole is the height change according to needed for the incoming wire guide wheel.
6. device according to claim 4, which is characterized in that the connection fixture is the first bolt arrangement.
7. device according to any one of claims 1 to 6, which is characterized in that the first support passes through the first locating piece
Determine position of the first support relative to the track, the second support determines described second by the second locating piece
Position of the frame relative to the track.
8. device according to claim 7, which is characterized in that first locating piece is second with second locating piece
Bolt arrangement.
9. device according to any one of claims 1 to 6, which is characterized in that further include rotating arm, the incoming wire guide wheel connects
It is connected to the first end of rotating arm, the second end rotation of the rotating arm connects the first support, the rotary shaft of the rotating arm
The heart is parallel to the track.
10. a kind of silicon wafer line cutting machine, which is characterized in that the steel wire including the described in any item silicon wafer line cutting machines of claim 1 to 9
Guide wheel device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851000.2U CN209504596U (en) | 2018-11-13 | 2018-11-13 | Steel wire guide wheel device of silicon wafer line cutting machine and silicon wafer line cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851000.2U CN209504596U (en) | 2018-11-13 | 2018-11-13 | Steel wire guide wheel device of silicon wafer line cutting machine and silicon wafer line cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209504596U true CN209504596U (en) | 2019-10-18 |
Family
ID=68192213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821851000.2U Active CN209504596U (en) | 2018-11-13 | 2018-11-13 | Steel wire guide wheel device of silicon wafer line cutting machine and silicon wafer line cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209504596U (en) |
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2018
- 2018-11-13 CN CN201821851000.2U patent/CN209504596U/en active Active
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Effective date of registration: 20191024 Address after: 710100 East Chang'an Avenue, Xi'an, Shaanxi Aerospace base, No. 589 Co-patentee after: Huanghe hydropower Xining Solar Power Co.,Ltd. Patentee after: STATE POWER INVESTMENT CORPORATION XI'AN SOLAR POWER Co.,Ltd. Co-patentee after: HUANGHE HYDROPOWER DEVELOPMENT Co.,Ltd. Co-patentee after: Huanghe Hydropower Development Co., Ltd. Address before: 710100 East Chang'an Avenue, Xi'an, Shaanxi Aerospace base, No. 589 Co-patentee before: XINING BRANCH OF SPIC XI'AN SOLAR POWER Co.,Ltd. Patentee before: STATE POWER INVESTMENT CORPORATION XI'AN SOLAR POWER Co.,Ltd. Co-patentee before: HUANGHE HYDROPOWER DEVELOPMENT Co.,Ltd. Co-patentee before: Huanghe Hydropower Development Co., Ltd. |