CN109773988A - A kind of mounting structure of diamond wire saw machine guide roller - Google Patents
A kind of mounting structure of diamond wire saw machine guide roller Download PDFInfo
- Publication number
- CN109773988A CN109773988A CN201910172030.3A CN201910172030A CN109773988A CN 109773988 A CN109773988 A CN 109773988A CN 201910172030 A CN201910172030 A CN 201910172030A CN 109773988 A CN109773988 A CN 109773988A
- Authority
- CN
- China
- Prior art keywords
- guide
- diamond wire
- magnetic patch
- guide groove
- guide roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The present invention relates to photovoltaic apparatus technical fields, and disclose a kind of mounting structure of diamond wire saw machine guide roller, including mounting plate, the front of the mounting plate offers guide groove, the guide groove is the tilting hole of rectangle, the inside of the guide groove is connected with guide runner, and the guide runner can be slided in the inner cavity of guide groove, and the back side of the guide runner is fixedly connected with the central rotating shaft of guide roller.Guide roller is fixedly mounted on a mounting board by magnetive attraction by the present invention, and guide roller can climb as guide runner slides in guide groove, guide groove is in tilted layout, when Buddha's warrior attendant wire cutting and crystal hard spot are tensioned, guide runner can be pulled and be climbed by the tensile force of design, thus, spacing between two guide rollers, which is reduced, reaches relaxed state to provide the diamond wire between two guide rollers, two two guide rollers climb simultaneously, so that the upward out crystal hard spot of diamond wire between two guide rollers, resultant effect ensures that diamond wire avoids broken string risk.
Description
Technical field
The present invention relates to photovoltaic apparatus technical field, specially a kind of mounting structure of diamond wire saw machine guide roller.
Background technique
In order to solve the processing problems of large-sized silicon wafers, using the processing technology that diamond wire saw or mortar are cut,
Wherein, diamond wire saw is cut relative to mortar, is had the advantages that cutting speed is fast, monolithic loss is low, is largely subtracted
The silicon cost of silicon wafer production is lacked.
Diadust particle is uniformly anchored at height i.e. by certain method with certain distribution density by diamond wire
It is made on intensity steel wire matrix, then by diamond wire solderless wrapped connection on diamond wire saw machine, wrapping system as shown in Figure 1, wherein
Bobbins a be winding roller, tensioning wheel b be tensioning Buddha's warrior attendant line wheel, diamond wire under high speed reciprocating motion between two guide rollers 4
Diamond wire below silicon rod cut.
But it currently, the cutting mainstream of polysilicon is still mortar cutting, is primarily due in polycrystalline Buddha's warrior attendant wire cutting application
There are two big difficult points, i.e. broken string and making herbs into wool, the latter is had been basically solved aspect by diamond wire+black silicon combination technique, and is broken
Problem is then the gold because hard spot present in cast ingot crystals, causes over-tension in diamond wire and cutting process to cause to break
Hard rock line involves great expense, and broken string bring equipment loss is big, and therefore, the application is directed to the mounting means of optimization guide roller,
Reduce diamond wire broken string risk.
Summary of the invention
Exist in use for the existing diamond wire saw machine guide roller installing mechanism proposed in background technique
Deficiency, the present invention provides a kind of mounting structure of diamond wire saw machine guide roller, have prevent diamond wire meet hard spot
The advantages of broken string, solves mentioned above in the background art because guide roller fixed installation sector causes diamond wire chance hard spot easily to be sent out
The problem of raw broken string.
The invention provides the following technical scheme: a kind of mounting structure of diamond wire saw machine guide roller, including mounting plate,
The front of the mounting plate offers guide groove, and the guide groove is the tilting hole of rectangle, and the inside of the guide groove, which is connected with, leads
To sliding block, the guide runner can be slided in the inner cavity of guide groove, and the back side of the guide runner is fixedly connected with guide roller
Central rotating shaft, the side bottom of the guide runner and the side bottom of guide groove inner wall are embedded with positioning magnetic patch I and positioning magnetic respectively
Block II, the positioning magnetic patch I arrangement different with the positioning magnetic pole of magnetic patch II, the bottom of the guide runner and the interior bottom of guide groove
Portion is embedded with drop resistance magnetic patch I and drop resistance magnetic patch II, the magnetic pole identical set of the drop resistance magnetic patch I and drop resistance magnetic patch II, institute respectively
It states the interior bottom of guide groove and the side activity positioned at guide runner side base angle is embedded with limited block, the bottom of the limited block is fixed
Contact spring, a side contacts of the limited block under the elastic force effect of contact spring with guide runner side base angle are installed.
Preferably, the magnetic attraction of the positioning magnetic patch I and positioning magnetic patch II is set as diamond wire when equipment runs well
Tensile force.
Preferably, the magnetic repulsion force of the drop resistance magnetic patch I and drop resistance magnetic patch II is set as the gross weight of guide runner and guide roller
The component of power bevel edge vertical direction in bottom in guide groove.
Preferably, the guide runner and guide roller total force are along the component and contact spring in guide groove on the bevel edge of bottom
The sum of the elastic force that compression initial length half generates is set as the design maximum tension of diamond wire.
Preferably, the bevel edge of the limited block towards guide runner is set as curved surface, and the guide runner is adjacent with limited block
Side take chamfering to be arranged.
Preferably, the angle of the guide groove and horizontal plane is 30 °~45 °.
Preferably, the bottom of the limited block is equipped with contact switch, and the contact switch is used for the emergency stop switch of cutting machine,
The contact position of the contact switch is the point of limited block compression contacts spring deformation half initial length.
The present invention have it is following the utility model has the advantages that
1, guide roller is fixedly mounted on a mounting board by magnetive attraction by the present invention, and guide roller can exist with guide runner
Sliding is climbed in guide groove, and guide groove is in tilted layout, and when Buddha's warrior attendant wire cutting and crystal hard spot are tensioned, the tensile force of design is
Guide runner can be pulled and be climbed, the spacing between two guide rollers is reduced to provide the Buddha's warrior attendant between two guide rollers as a result,
Line reaches relaxed state, while two two guide rollers climb, so that the upward out crystal of diamond wire between two guide rollers
Hard spot, resultant effect ensure that diamond wire avoids broken string risk.
2, the present invention hinders the setting of magnetic patch II by positioning magnetic patch I and positioning magnetic patch II, drop resistance magnetic patch I and drop, can pass through
When positioning magnetic patch I and positioning the suction guarantee equipment normal operation of magnetic patch II, guide runner is stable at the interior bottom of guide groove, passes through
The self weight component of the repulsion stable steering sliding block and guide roller of drop resistance magnetic patch I and drop resistance magnetic patch II, it is sliding to reduce guide runner with this
Dynamic frictional resistance ensures timely slide trigger contact switch when equipment meets crystal hard spot.
Detailed description of the invention
Fig. 1 is traditional diamond wire saw machine winding mode schematic diagram；
Fig. 2 is schematic structural view of the invention；
Fig. 3 is each locations of structures schematic diagram when the present invention runs well；
Fig. 4 is that the present invention meets each locations of structures and status diagram when hard spot cutting.
In figure: 1, mounting plate；2, guide groove；3, guide runner；4, guide roller；5, magnetic patch I is positioned；6, magnetic patch II is positioned；
7, drop resistance magnetic patch I；8, drop resistance magnetic patch II；9, limited block；10, contact spring；11, silicon rod to be cut；A, bobbins；B, it is tensioned
Wheel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of mounting structure of diamond wire saw machine guide roller, with traditional guide roller stationary positioned
Mounting means is different, and the central rotating shaft of guide roller 4 is fixed on mounting plate 1 by traditional fixed installation mode, and the application then adopts
With mounting structure as shown in Figure 2, the guide groove 2 opened up including being located at 1 front of mounting plate, guide groove 2 is the tilting hole of rectangle, is led
It is connected with guide runner 3 to the inside of slot 2, guide runner 3 is square block, and guide runner 3 can be slided in the inner cavity of guide groove 2,
The back side of guide runner 3 is fixedly connected with the central rotating shaft of guide roller 4, i.e., be connected in guide groove 2 by guide runner 3 formed turn
Dynamic limit, guide roller 4 are rotated around its central rotating shaft, and guide roller 4 is used to be oriented to diamond wire and be driven, the side bottom of guide runner 3
The side bottom of portion and 2 inner wall of guide groove is embedded with positioning magnetic patch I 5 and positioning magnetic patch II 6, positioning magnetic patch I 5 and positioning magnetic patch respectively
Guide runner 3 is fixed on the mutual attractive force for positioning the formation of magnetic patch II 6 and leads by the different arrangement of II 6 magnetic pole, positioning magnetic patch I 5
To the interior bottom of slot 2, the bottom of guide runner 3 and the insole portion of guide groove 2 are not embedded with drop resistance magnetic patch I 7 and drop resistance magnetic patch
II 8, the magnetic pole identical set of drop resistance magnetic patch I 7 and drop resistance magnetic patch II 8, the phase mutual exclusion that drop resistance magnetic patch I 7 is formed with drop resistance magnetic patch II 8
Power can reduce the contact friction force at bottom in guide runner 3 and guide groove 2, in order to guide runner 3 in guide groove 2 with low friction
Resistance sliding, the interior bottom in guide groove 2 and the side activity positioned at 3 side base angle of guide runner are embedded with limited block 9, limited block 9
Bottom be fixedly installed with contact spring 10, limited block 9 is under the elastic force effect of contact spring 10, for pushing against guide runner 3,
It prevents guide runner 3 mobile when equipment runs well, completes the fixed installation to guide roller 4 with respect to mounting plate 1 as a result,.
Above-mentioned novel mounting mode, when silicon wafer cut by diamond wire encounters hard spot, diamond wire pulls immediately because stress is tensioned
The guide runner 3 of two sides is moved toward one another along the bevel edge at bottom in guide groove 2, positioning magnetic patch I 5 and the magnetic phase for positioning magnetic patch II 6
Suction is destroyed, and along the interior bottom upward sliding of guide groove 2, the corner of guide runner 3 contacts simultaneously guide runner 3 with limited block 9
Compression contacts spring 10 when in the middle part of the bevel edge of the corner-moving of guide runner 3 to limited block 9, touches the touching of 9 bottom of limited block
Point switch makes equipment pause cutting.Wherein, two guide runners 3 may make the level of two guide rollers 4 when moving toward one another
Hypotelorism, diamond wire can form the broken line form as shown in figure guide roller 4 between two guide rollers 4, meanwhile, two guide rollers
4 meeting fine motions rise, and guarantee that diamond wire will not over-tension causes diamond wire to break due to being cut to hard spot position.
Wherein, the magnetic attraction of positioning magnetic patch I 5 and positioning magnetic patch II 6 is set as what diamond wire when equipment runs well allowed
When tensile force, i.e. equipment run well, diamond wire tensioning operation is needed, at this point, positioning magnetic patch I 5 and positioning magnetic patch II 6 are in proper
The critical point separated well ensures the precision of cutting so that guide runner 3 can be stablized motionless when equipment runs well.
Wherein, the magnetic repulsion force of drop resistance magnetic patch I 7 and drop resistance magnetic patch II 8 is the total force of guide runner 3 and guide roller 4
The component of bottom bevel edge vertical direction in guide groove 2, to guarantee that guide runner 3 is just located in guide groove 2 with nearly zero pressure
On the bevel edge of bottom, with this 3 lower resistance of guide runner is slided.
Wherein, the design maximum tension that diamond wire allows is guide runner 3 and 4 total force of guide roller along in guide groove 2
The sum of component on the bevel edge of bottom and power needed for contact spring 10 is compressed the deformation quantity of half, diamond wire is designing as a result,
When being cut in tension with crystal hard spot, guide runner 3 can be pulled on the curved surface side of limited block 9, contact spring 10 is compressed
Half triggers contact switch, so that equipment emergent stopping.
Wherein, the bevel edge of limited block 9 towards guide runner 3 is curved surface, and the side adjacent with limited block 9 of guide runner 3 uses
Chamfering setting, with this, slides on the curved surface of limited block 9 convenient for guide runner 3, carries out pressure to contact spring 10.
Wherein, the angle of guide groove 2 and horizontal plane is 30 °~45 °, should guarantee the gross weight of guide runner 3 and guide roller 4
Power along 2 bevel edge direction of guide groove component in diamond wire design maximum tension allowed band, also to guarantee guide runner 3 and to lead
Guide runner 3 is stable when component of the total force of line wheel 4 along 2 bevel edge direction of guide groove enables to equipment to run well is placed in
The bottom of guide groove 2 is stablized, meanwhile, it can when so that guide runner 3 climbing along bottom in guide groove 2 using the tilt angle
Certain lifting height is obtained, so that guide runner 3 drives guide roller 4 to rise, diamond wire cut portion is above mentioned, crystalline substance is left
Body hard spot protects diamond wire.
Refering to Fig. 3 and Fig. 4, when Fig. 3 is that equipment normally cuts silicon rod 11 to be cut, each locations of structures relational graph, Fig. 4 is to set
When for meeting crystal hard spot during cutting silicon rod 11 to be cut, diamond wire is because tension band action-oriented sliding block 3 slides and compresses touching
The locations of structures schematic diagram of point spring 10, at this point, diamond wire is in polyline shaped at silicon rod 11 to be cut.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of mounting structure of diamond wire saw machine guide roller, including mounting plate (1), it is characterised in that: the mounting plate
(1) front offers guide groove (2), and the guide groove (2) is the tilting hole of rectangle, and the inside of the guide groove (2) is connected with
Guide runner (3), the guide runner (3) can be slided in the inner cavity of guide groove (2), and the back side of the guide runner (3) is fixed
It is connected with the central rotating shaft of guide roller (4), the side bottom of the guide runner (3) and the side bottom of guide groove (2) inner wall are distinguished
It is embedded with positioning magnetic patch I (5) and positioning magnetic patch II (6), positioning magnetic patch I (5) cloth different with the positioning magnetic pole of magnetic patch II (6)
It sets, the bottom of the guide runner (3) and the insole portion of guide groove (2) are not embedded with drop resistance magnetic patch I (7) and drop resistance magnetic patch II
(8), the magnetic pole identical set of drop resistance magnetic patch I (7) and drop resistance magnetic patch II (8), the interior bottom of the guide groove (2) and positioned at leading
It is embedded with limited block (9) to the side activity at sliding block (3) side base angle, the bottom of the limited block (9) is fixedly installed with contact bullet
Spring (10), a side contacts of the limited block (9) under the elastic force effect of contact spring (10) with guide runner (3) side base angle.
2. a kind of mounting structure of diamond wire saw machine guide roller according to claim 1, it is characterised in that: described fixed
Position magnetic patch I (5) and the magnetic attraction of positioning magnetic patch II (6) are set as the tensile force of diamond wire when equipment runs well.
3. a kind of mounting structure of diamond wire saw machine guide roller according to claim 1, it is characterised in that: the drop
The magnetic repulsion force of resistance magnetic patch I (7) and drop resistance magnetic patch II (8) is set as the total force of guide runner (3) and guide roller (4) in guide groove
(2) component of interior bottom bevel edge vertical direction.
4. a kind of mounting structure of diamond wire saw machine guide roller according to claim 1, it is characterised in that: described to lead
It is compressed initially along the component on the interior bottom bevel edge of guide groove (2) with contact spring (10) to sliding block (3) and guide roller (4) total force
The sum of the elastic force that length half generates is set as the design maximum tension of diamond wire.
5. a kind of mounting structure of diamond wire saw machine guide roller according to claim 1, it is characterised in that: the limit
The bevel edge of position block (9) towards guide runner (3) is set as curved surface, and the guide runner (3) and limited block (9) adjacent side are taken down
Angle setting.
6. a kind of mounting structure of diamond wire saw machine guide roller according to claim 1, it is characterised in that: described to lead
Angle to slot (2) and horizontal plane is 30 °~45 °.
7. a kind of mounting structure of diamond wire saw machine guide roller according to claim 1, it is characterised in that: the limit
The bottom of position block (9) is equipped with contact switch, and the contact switch is used for the emergency stop switch of cutting machine, the contact of the contact switch
Position is the point of limited block (9) compression contacts spring (10) deformation half initial length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172030.3A CN109773988B (en) | 2019-03-07 | 2019-03-07 | Mounting structure of wire guide wheel of diamond wire cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172030.3A CN109773988B (en) | 2019-03-07 | 2019-03-07 | Mounting structure of wire guide wheel of diamond wire cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109773988A true CN109773988A (en) | 2019-05-21 |
| CN109773988B CN109773988B (en) | 2020-11-06 |
Family
ID=66486767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910172030.3A Active CN109773988B (en) | 2019-03-07 | 2019-03-07 | Mounting structure of wire guide wheel of diamond wire cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109773988B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101325A (en) * | 2010-12-15 | 2011-06-22 | 湖南宇晶机器实业有限公司 | Radial balance mechanism for automatic wire arranging device of multi-wire cutting machine |
| CN202045768U (en) * | 2011-04-25 | 2011-11-23 | 唐山晶玉科技有限公司 | Cutting line tension control device |
| CN202318608U (en) * | 2011-11-14 | 2012-07-11 | 宁波钜德精工机械有限公司 | Steel wire angle adjusting device |
| CN103507175A (en) * | 2013-10-29 | 2014-01-15 | 高佳太阳能股份有限公司 | Guide pulley structure for silicon wafer cutting |
| JP5514229B2 (en) * | 2009-02-17 | 2014-06-04 | アプライド マテリアルズ インコーポレイテッド | Wire saw device and method of operating a wire saw device |
| CN204566422U (en) * | 2015-04-21 | 2015-08-19 | 江阴东升新能源有限公司 | Directive wheel mounting structure |
| CN205911881U (en) * | 2016-07-14 | 2017-01-25 | 汤镛之 | Passive magnetic suspension flywheel structure |
| CN106738391A (en) * | 2017-01-09 | 2017-05-31 | 上海日进机床有限公司 | Cutting guide wheel and its grooving method, groover, multi-wire saw equipment |
| CN106965337A (en) * | 2017-04-07 | 2017-07-21 | 苏州赫瑞特电子专用设备科技有限公司 | A kind of governing mechanism of tension of multi-line cutting machine |
| CN208484054U (en) * | 2018-06-22 | 2019-02-12 | 无锡中硅新材料股份有限公司 | A kind of tension stabilizing device of diamond wire saw machine |
-
2019
- 2019-03-07 CN CN201910172030.3A patent/CN109773988B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5514229B2 (en) * | 2009-02-17 | 2014-06-04 | アプライド マテリアルズ インコーポレイテッド | Wire saw device and method of operating a wire saw device |
| CN102101325A (en) * | 2010-12-15 | 2011-06-22 | 湖南宇晶机器实业有限公司 | Radial balance mechanism for automatic wire arranging device of multi-wire cutting machine |
| CN202045768U (en) * | 2011-04-25 | 2011-11-23 | 唐山晶玉科技有限公司 | Cutting line tension control device |
| CN202318608U (en) * | 2011-11-14 | 2012-07-11 | 宁波钜德精工机械有限公司 | Steel wire angle adjusting device |
| CN103507175A (en) * | 2013-10-29 | 2014-01-15 | 高佳太阳能股份有限公司 | Guide pulley structure for silicon wafer cutting |
| CN204566422U (en) * | 2015-04-21 | 2015-08-19 | 江阴东升新能源有限公司 | Directive wheel mounting structure |
| CN205911881U (en) * | 2016-07-14 | 2017-01-25 | 汤镛之 | Passive magnetic suspension flywheel structure |
| CN106738391A (en) * | 2017-01-09 | 2017-05-31 | 上海日进机床有限公司 | Cutting guide wheel and its grooving method, groover, multi-wire saw equipment |
| CN106965337A (en) * | 2017-04-07 | 2017-07-21 | 苏州赫瑞特电子专用设备科技有限公司 | A kind of governing mechanism of tension of multi-line cutting machine |
| CN208484054U (en) * | 2018-06-22 | 2019-02-12 | 无锡中硅新材料股份有限公司 | A kind of tension stabilizing device of diamond wire saw machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109773988B (en) | 2020-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209681887U (en) | A kind of anti-fracture polishing wafer device | |
| CN208341889U (en) | A kind of filled board cutter device being moved easily | |
| CN208323866U (en) | A kind of device of multi-wire saw silicon ingot | |
| CN109352846A (en) | A kind of intelligent multi-line cutting machine for jade cutting | |
| CN109773988A (en) | A kind of mounting structure of diamond wire saw machine guide roller | |
| CN206748771U (en) | A kind of portable ceramic tile cutting and positioning device | |
| CN209536855U (en) | A kind of safe lifting appliance of curtain wall glass plate | |
| CN205386801U (en) | Lift tool equipment of putting usefulness is got to trinity carrier of SMT | |
| CN103817812B (en) | The evolution method of silicon ingot, brilliant holder | |
| CN205383395U (en) | Base angle -adjustment means | |
| CN108341413A (en) | A kind of silicon carbide crucible pot for manufacturing furnace cradle | |
| CN204819415U (en) | Platform is laid to strong point adjustable glass window | |
| CN209211944U (en) | A kind of precast floor slab support device | |
| CN113199322A (en) | Construction method for pasting, installing and constructing EPS insulation board of outer wall | |
| CN209440567U (en) | For processing the multi-wire saw equipment of crystal oscillator tuning fork piece | |
| CN207172463U (en) | Single flexible scroll saw evolution device | |
| CN108946564B (en) | Flat-bottom lifting positioning device | |
| CN204850494U (en) | Fixed platform is used in processing of glass window | |
| CN205289600U (en) | Interrupted formula looper machine of non - convenient to go up wire rod | |
| CN210244002U (en) | Shovel polarisation machine with protective structure is convenient for maintain | |
| CN205904816U (en) | Ceramic tile device of falling limit | |
| CN209161179U (en) | A kind of anchoring of well inner cable | |
| CN206057821U (en) | A kind of safe mount type clock and watch | |
| CN204824607U (en) | Supporting platform for glass -cutting | |
| CN207227748U (en) | A kind of Silk Procossing pressuring flat device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201010 Address after: 322000 7th floor, 65 Chaoyang East Road, Yinan Industrial Park, Fotang Town, Yiwu City, Jinhua City, Zhejiang Province Applicant after: Yiwu dingsha Knitting Co., Ltd Address before: 466000 Xuzhuang No. 045, Xuzhuang Administrative Village, Dingcun Township, Chancheng County, Zhoukou City, Henan Province Applicant before: Xu Kejun |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Installation structure of wire wheel of diamond wire cutting machine Effective date of registration: 20211208 Granted publication date: 20201106 Pledgee: Yiwu Branch of China Construction Bank Co.,Ltd. Pledgor: Yiwu dingsha Knitting Co., Ltd Registration number: Y2021330002501 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |