CN206230158U - Precise laser cutting machine - Google Patents
Precise laser cutting machine Download PDFInfo
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- CN206230158U CN206230158U CN201621341641.4U CN201621341641U CN206230158U CN 206230158 U CN206230158 U CN 206230158U CN 201621341641 U CN201621341641 U CN 201621341641U CN 206230158 U CN206230158 U CN 206230158U
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- slide unit
- laser cutting
- cutting machine
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- sliding block
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Abstract
The utility model discloses a kind of precise laser cutting machine, including machine framework, work top, linear motion platform, cutting head and stationary fixture；Work top is arranged on machine framework, and linear motion platform includes the left slide unit of Y-direction, the right slide unit of Y-direction, X to slide unit and Z-direction slide unit, and the left slide unit of Y-direction, the right slide unit of Y-direction and X use linear electric motors to slide unit；Stationary fixture includes the optical axis support base being arranged on work top, optical axis is provided between optical axis support base, optical axis is provided with support block and sliding block, base plate and pressing plate are fixed between sliding block, sheet material is placed in base plate and support block, pressing plate is driven closer or far from sheet material, and sliding block is moved along optical axis, closer or far from support block.Marble platform of the present utility model coordinates linear electric motors, improves kinematic accuracy and cutting accuracy, and supporting stationary fixture, ensure the stability of cutting sheet material, the chip and flue gas produced in cutting process, are collected or discharge, it is ensured that electric control gear normal table works.
Description
Technical field
The utility model is related to a kind of laser process equipment, more particularly to a kind of precise laser cutting machine.
Background technology
Existing laser cutting machine, more using kinds of drive such as guide rail, tooth bar, ball-screws, with servomotor as dynamic
Power source, and coordinate traditional planer type machine tool structure, all it is mostly the open laser cutting machine of large format or full band board laser
Cutting machine.
During practical laser cutting processing, accordingly because the acceleration and speed of cutting machine can not reach sometimes
Ask, when some quality requirements wedge angle part, Complex Parts higher are cut, often produce that wedge angle is not sharp, circularity is non-round, turning and figure
The more complicated local burning of shape etc. defect.In addition, the existing kind of drive is worn and torn, big, noise is big, and having a strong impact on driving member makes
With the life-span, and there is mismachining tolerance and deformation in lathe bed and machining etc..
, simply be put into sheet material on Cutting platform by existing cutting machine, has no and steps up fixing device, and slab is also ensured
Sheet material is motionless in cutting process, but for thin plate, it is impossible to ensure that the position of cutting process sheet material is motionless.Produced in cutting process
Raw chip and flue gas, can pollute distribution or electric control gear and cause it to fail, while it is likely to influence the work of sensing element,
Accurate cutting cannot be realized.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of precise laser cutting machine, it can be realized to plate
The Precision Machining of material, is especially suitable for thin plate and the Laser cutting of platelet.
To achieve these goals, the utility model is adopted the following technical scheme that.
Precise laser cutting machine, including machine framework, work top, linear motion platform, cutting head and stationary fixture；Work
It is arranged on machine framework as table top, linear motion platform includes the left slide unit of Y-direction, the right slide unit of Y-direction, X to slide unit and Z-direction slide unit, Y
Slide unit and the right slide unit of Y-direction are arranged on work top to the left, and the left slide unit of Y-direction includes the left linear electric motors of Y-direction and by the left straight-line electric of Y-direction
The Y-direction left slider that machine drives, the right slide unit of Y-direction includes the right linear electric motors of Y-direction and the right sliding block of Y-direction driven by the right linear electric motors of Y-direction,
X is fixed on Y-direction left slider and the right sliding block of Y-direction to slide unit, and X includes that X drives to linear electric motors and from X to linear electric motors to slide unit
X to sliding block, Z-direction slide unit is fixed on X on sliding block, and cutting head is fixed on Z-direction slide unit, and can be on Z-direction slide unit along Z-direction
Motion；Stationary fixture is located between the left slide unit of Y-direction and the right slide unit of Y-direction, and stationary fixture includes the optical axis being arranged on work top
Support base, is provided with optical axis between optical axis support base, optical axis is provided with support block and sliding block, and base plate and pressure are fixed between sliding block
Plate, sheet material is placed in base plate and support block, and pressing plate is driven closer or far from sheet material, and sliding block is moved along optical axis, is close to
Or away from support block.
Work top can be marble countertop, and the transmission mechanism of equipment is arranged on marble countertop, marble countertop
Intensity and flatness ensure whole cutting accuracy.
The linear electric motors that the utility model is used, linear electric motors transmission improves acceleration and movement velocity, improves laser
Cut quality and cutting speed.Accurate small good fortune face laser cutting is adaptive to be widely used in the precisions such as glasses, electronics, electrical equipment
Mechanical five metals, microelectronic industry.Linear electric motors high transmission accuracy, can use grating closed-loop control, it is ensured that lathe is cutting through
Do not contacted between positioning precision higher, and the mover and stator of linear electric motors in journey, reduce the abrasion of fixture, lathe is used
Long lifespan.
Grip device can realize the regulation of sheet material size, the size adjustment gripping range according to sheet material, and Automatic-clamping,
Ensure that the required precision of the stability and cutting workpiece of plate cutting.
As further improvement of the utility model, baffle plate is provided with the inside of the base plate, is easy to cutting member to fall.
The grip device also includes lead column, and lead column passes through base plate, makees for rising to be oriented in pressing plate lifting process
With.
Further, precise laser cutting machine of the present utility model also includes blanking smoke removing device, blanking smoke removing device position
In machine framework below grip device, blanking smoke removing device includes blanking guide funnel, rewinding box, smoking blower fan and smoke evacuation
Pipe；Blanking guide funnel is located at baffle plate lower section, and rewinding box is located at blanking guide funnel lower section；Blanking guide funnel, smoking blower fan
It is sequentially communicated with smoke exhaust pipe.
Rewinding box so ensures that cutting member at utmost reduces the abrasion change that collision is produced after falling into rewinding box built with water
Shape, on the other hand can also reduce a part of flue dust.
Left automatically controlled area and right automatically controlled area are respectively in the machine framework of blanking guide funnel both sides.
Laser is provided with left automatically controlled area.
Left automatically controlled area is provided with thermovent.
Right automatically controlled area is provided with incoming line.
Work top is provided with rack, and the rack can be sealing cabinet, and sliding door can be provided with rack.
Sliding door can be double door sliding door, the convenient operation of design, and be provided with proximity switch in sliding door position,
If door is opened in working order, proximity switch sends signal, then board jerk cutoff signal, and servo and laser are cut off, certain
Safety is improved in degree, it is ensured that operator's safety.
Form can be provided with rack.
The work top of rack side is provided with electrical control cubicles.
Electrical control cubicles are provided with three color alarm lamps.Three color alarm lamps, make equipment working state more directly perceived, safer.
Precise laser cutting machine of the present utility model also includes pole bracket, and pole bracket is drawn by electrical control cubicles, cantilever branch
The front end of frame is provided with operating desk.Pole bracket compounding practice platform, allows operator more to facilitate operation, flexibly uses, and can rotate
Certain angle.
Operating desk is provided with display, control button and wireless key mouse.
The bottom of machine framework is provided with good fortune horse wheel, and convenient transport movement, stability by force, and has larger weight capacity.
The utility model uses Seal Design, point part of upper, middle and lower three, and top is operation cutting area, equipped with pole bracket and
Operating desk, convenient operation, centre is marble platform, is below automatically controlled area, and equipped with blanking smoke removing device, the automatically controlled differentiation in left and right
Open and put, and it is completely separated by blanking smoke removing device, it is ensured that the safety in automatically controlled area, it is to avoid the automatically controlled area of dust dregs progress.And
Indoor in line requirement can be reached by smoke evacuation, integral structure layout rationally, maintains easily.
The beneficial effects of the utility model are that marble platform coordinates linear electric motors, improve kinematic accuracy and cutting accuracy,
And supporting stationary fixture, it is ensured that the stability of cutting sheet material, improves again cutting accuracy.In cutting process produce chip and
Flue gas, is collected or discharges, and will not pollute distribution or electric control gear, it is ensured that electric control gear normal table works, and protects again
Cutting accuracy is demonstrate,proved.
Certainly, implement any product of the present utility model to it is not absolutely required to while reaching all the above advantage.
Brief description of the drawings
Fig. 1 is positive structure schematic when the utility model sliding door is closed.
Fig. 2 is positive structure schematic when the utility model sliding door is pulled open.
Fig. 3 is the utility model structure schematic diagram.
Fig. 4 is the utility model linear motion platform structural representation.
Fig. 5 is the utility model blanking smoke removing device structural representation.
Fig. 6 is the utility model fixing jig structure schematic diagram.
Wherein, 1, machine framework；2nd, work top；3rd, cutting head；4th, the left slide unit of Y-direction；5th, the right slide unit of Y-direction；6th, X is to cunning
Platform；7th, Z-direction slide unit；8th, optical axis support base；9th, optical axis；10th, support block；11st, sliding block；12nd, base plate；13rd, pressing plate；14th, baffle plate；
15th, lead column；16th, blanking guide funnel；17th, rewinding box；18th, smoke exhaust pipe；19th, left automatically controlled area；20th, right automatically controlled area；21st, radiate
Mouthful；22nd, incoming line；23rd, sealing cabinet；24th, sliding door；25th, form；26th, electrical control cubicles；27th, three color alarm lamp；28th, cantilever branch
Frame；29th, operating desk；30th, display；31st, control button；32nd, wireless key mouse；33rd, good fortune horse wheel.
41st, the left linear electric motors of Y-direction；42nd, Y-direction left slider；51st, the right linear electric motors of Y-direction；52nd, the right sliding block of Y-direction；61st, X is to straight
Line motor；62nd, X is to sliding block.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be only
Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The present embodiment can carry out quickly and accurately cutting processing to certain thickness metallic plate.
As Figure 1-Figure 2, precise laser cutting machine, including machine framework 1, work top 2, linear motion platform, cut
Cut first 3 and stationary fixture；Work top 2 is arranged on machine framework 1, and linear motion platform includes the left right cunning of slide unit 4, Y-direction of Y-direction
To slide unit 6 and Z-direction slide unit 7, the left slide unit 4 of Y-direction and the right slide unit 5 of Y-direction are arranged on work top 2 platform 5, X, and the left slide unit 4 of Y-direction includes
The left linear electric motors 41 of Y-direction and the Y-direction left slider 42 driven by the left linear electric motors 41 of Y-direction, the right slide unit 5 of Y-direction include the right straight-line electric of Y-direction
Machine 51 and the right sliding block 52 of Y-direction driven by the right linear electric motors 51 of Y-direction, X are fixed on Y-direction left slider 42 and the right sliding block of Y-direction to slide unit 6
On 52, X includes X that X drives to linear electric motors 61 and from from X to linear electric motors 61 to sliding block 62 to slide unit 6, and Z-direction slide unit 7 is fixed on
To on sliding block 62, cutting head 3 is fixed on Z-direction slide unit 7 X, and can be moved along Z-direction on Z-direction slide unit 7；Stationary fixture is located at Y
To the left between slide unit 4 and the right slide unit 5 of Y-direction.
Stationary fixture includes the optical axis support base 8 being arranged on work top 2, and optical axis 9 is provided between optical axis support base 8,
Optical axis 9 is provided with support block 10 and sliding block 11, is fixed with base plate 12 and pressing plate 13 between sliding block 11, sheet material be placed on base plate 12 with
And in support block 10, pressing plate 13 is driven closer or far from sheet material, and sliding block 11 is moved along optical axis 9, closer or far from support block
10, the inner side of base plate 12 is provided with baffle plate 14, and lead column 15 passes through base plate 12, makees for rising to be oriented in the lifting process of pressing plate 13
With.
The course of work, when plate is put, by cylinder jack-up pressing plate 13, is risen by the guide pressing plate 13 of lead column 15, and metal plate is put
Following to both sides pressing plate 13, the spacing of pressing plate 13 can be by the adjusting size of sliding block 11, after putting sheet material well, and cylinder action compresses sheet material,
After ensureing that sheet material is put on stationary fixture, it is smooth that sheet material is maintained static and keeps sheet material.
Precise laser cutting machine also includes blanking smoke removing device, and blanking smoke removing device is located at the lathe frame below grip device
In frame 1, blanking smoke removing device includes blanking guide funnel 16, rewinding box 17, smoking blower fan and smoke exhaust pipe 18；Blanking guide funnel
16 are located at the lower section of baffle plate 14, and rewinding box 17 is located at the lower section of blanking guide funnel 16；Blanking guide funnel 16, smoking blower fan and smoke evacuation
Pipe 18 is sequentially communicated.Rewinding box 17 is built with water.
Left automatically controlled area 19 and right automatically controlled area 20, left automatically controlled area are respectively in the machine framework 1 of the both sides of blanking guide funnel 16
Interior 19 are provided with laser, and left automatically controlled area 19 is provided with thermovent 21, and right automatically controlled area 20 is provided with incoming line 22.
Work top 2 is provided with sealing cabinet 23, and sealing cabinet 23 is provided with sliding door 24, and sealing cabinet 23 is provided with form
25。
The work top 2 of the side of sealing cabinet 23 is provided with electrical control cubicles 26.
Electrical control cubicles 26 are provided with three color alarm lamps 27.
Pole bracket 28 is drawn by electrical control cubicles 26, and the front end of pole bracket 28 is provided with operating desk 29.
Operating desk 29 is provided with display 30, control button 31 and wireless key mouse 32.
The bottom of machine framework 1 is provided with good fortune horse wheel 33.
Machine framework 1 makees lathe bed using welded framework, and by annealing, destressing is processed, gantry mill finishing treatment, it is ensured that
Lathe bed stability and required precision.
It is not new to this practicality although above-mentioned be described with reference to accompanying drawing to specific embodiment of the present utility model
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Various modifications or deform still in protection model of the present utility model that field technique personnel make by need not paying creative work
Within enclosing.
Claims (10)
1. precise laser cutting machine, it is characterized in that, including machine framework, work top, linear motion platform, cutting head and fixation
Fixture；Work top is arranged on machine framework, and linear motion platform includes the left slide unit of Y-direction, the right slide unit of Y-direction, X to slide unit and Z
To slide unit, the left slide unit of Y-direction and the right slide unit of Y-direction are arranged on work top, and the left slide unit of Y-direction includes the left linear electric motors of Y-direction and by Y-direction
The Y-direction left slider that left linear electric motors drive, the right slide unit of Y-direction includes the right linear electric motors of Y-direction and the Y driven by the right linear electric motors of Y-direction
Sliding block to the right, X is fixed on Y-direction left slider and the right sliding block of Y-direction to slide unit, and X includes X to linear electric motors and from X to straight to slide unit
To sliding block, Z-direction slide unit is fixed on X on sliding block to the motor-driven X of line, and cutting head is fixed on Z-direction slide unit, and can be in Z-direction
Moved along Z-direction on slide unit；Stationary fixture is located between the left slide unit of Y-direction and the right slide unit of Y-direction, and stationary fixture includes being arranged on workbench
Optical axis support base on face, is provided with optical axis between optical axis support base, optical axis is provided with support block and sliding block, is fixed between sliding block
Base plate and pressing plate, sheet material are placed in base plate and support block, and pressing plate is driven closer or far from sheet material, and sliding block is moved along optical axis
It is dynamic, closer or far from support block.
2. precise laser cutting machine as claimed in claim 1, it is characterized in that, baffle plate is provided with the inside of the base plate, it is easy to cut
Cutter member falls.
3. precise laser cutting machine as claimed in claim 1 or 2, it is characterized in that, the grip device also includes lead column, leads
Base plate is passed through to post, for being play the guiding role in pressing plate lifting process.
4. precise laser cutting machine as claimed in claim 1, it is characterized in that, precise laser cutting machine is also filled including blanking smoke abatement
Put, blanking smoke removing device is located in the machine framework below grip device, and blanking smoke removing device includes blanking guide funnel, rewinding
Box, smoking blower fan and smoke exhaust pipe；Blanking guide funnel is located at baffle plate lower section, and rewinding box is located at blanking guide funnel lower section；Blanking
Guide funnel, smoking blower fan and smoke exhaust pipe are sequentially communicated.
5. precise laser cutting machine as claimed in claim 4, it is characterized in that, rewinding box is built with water.
6. precise laser cutting machine as claimed in claim 4, it is characterized in that, in the machine framework of blanking guide funnel both sides point
Wei not left automatically controlled area and right automatically controlled area.
7. precise laser cutting machine as claimed in claim 1, it is characterized in that, work top is provided with rack, and rack is provided with
Sliding door.
8. precise laser cutting machine as claimed in claim 1, it is characterized in that, the work top of rack side is provided with automatically controlled
Cabinet.
9. precise laser cutting machine as claimed in claim 8, it is characterized in that, precise laser cutting machine also includes pole bracket,
Pole bracket is drawn by electrical control cubicles, and the front end of pole bracket is provided with operating desk.
10. precise laser cutting machine as claimed in claim 1, it is characterized in that, the bottom of machine framework is provided with good fortune horse wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621341641.4U CN206230158U (en) | 2016-12-08 | 2016-12-08 | Precise laser cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621341641.4U CN206230158U (en) | 2016-12-08 | 2016-12-08 | Precise laser cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206230158U true CN206230158U (en) | 2017-06-09 |
Family
ID=58978053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621341641.4U Active CN206230158U (en) | 2016-12-08 | 2016-12-08 | Precise laser cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206230158U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378272A (en) * | 2017-09-18 | 2017-11-24 | 安徽理工大学 | A kind of sheet material observing and controlling laser cutting device with safeguard function |
| CN107486637A (en) * | 2017-08-08 | 2017-12-19 | 江苏立典激光科技有限公司 | A kind of numerical control optical-fiber laser cutting machine |
| CN107962276A (en) * | 2017-12-28 | 2018-04-27 | 长沙长泰机器人有限公司 | Modularization arc-welding station |
| CN108213803A (en) * | 2018-03-27 | 2018-06-29 | 深圳市牧激科技有限公司 | Metal plate cutting machine |
| CN108422568A (en) * | 2018-05-02 | 2018-08-21 | 江西昌浩实业有限公司 | A kind of glass processing cutter device |
| CN108581228A (en) * | 2018-06-01 | 2018-09-28 | 梅塞尔切割焊接(中国)有限公司 | Laser planeplate saw working bench |
| CN109014618A (en) * | 2018-10-13 | 2018-12-18 | 东莞市恒好激光科技有限公司 | Metal substrate laser cutting machine |
| CN110116428A (en) * | 2019-04-23 | 2019-08-13 | 东莞市凯达碳纤维科技有限公司 | A kind of composite fibre product automatic gas cutting machine with cleaning dust absorption function |
| CN112139464A (en) * | 2020-08-26 | 2020-12-29 | 广东韶钢松山股份有限公司 | Alarm system of continuous casting flame cutting machine and control method thereof |
| CN113210880A (en) * | 2021-02-05 | 2021-08-06 | 济南新天科技有限公司 | Plate-pipe integrated cutting machine and working method |
| CN114043037A (en) * | 2021-10-18 | 2022-02-15 | 芜湖银鹤机械制造有限公司 | Portable flame cutting machine with intelligent positioning system for cutting spandrel girder |
| CN110116428B (en) * | 2019-04-23 | 2024-05-31 | 东莞市凯达碳纤维科技有限公司 | Composite fiber product automatic cutting machine with cleaning and dust collection functions |
-
2016
- 2016-12-08 CN CN201621341641.4U patent/CN206230158U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486637A (en) * | 2017-08-08 | 2017-12-19 | 江苏立典激光科技有限公司 | A kind of numerical control optical-fiber laser cutting machine |
| CN107378272A (en) * | 2017-09-18 | 2017-11-24 | 安徽理工大学 | A kind of sheet material observing and controlling laser cutting device with safeguard function |
| CN107962276B (en) * | 2017-12-28 | 2023-10-27 | 长沙长泰机器人有限公司 | Modular arc welding station |
| CN107962276A (en) * | 2017-12-28 | 2018-04-27 | 长沙长泰机器人有限公司 | Modularization arc-welding station |
| CN108213803A (en) * | 2018-03-27 | 2018-06-29 | 深圳市牧激科技有限公司 | Metal plate cutting machine |
| CN108422568A (en) * | 2018-05-02 | 2018-08-21 | 江西昌浩实业有限公司 | A kind of glass processing cutter device |
| CN108581228A (en) * | 2018-06-01 | 2018-09-28 | 梅塞尔切割焊接(中国)有限公司 | Laser planeplate saw working bench |
| CN109014618A (en) * | 2018-10-13 | 2018-12-18 | 东莞市恒好激光科技有限公司 | Metal substrate laser cutting machine |
| CN110116428A (en) * | 2019-04-23 | 2019-08-13 | 东莞市凯达碳纤维科技有限公司 | A kind of composite fibre product automatic gas cutting machine with cleaning dust absorption function |
| CN110116428B (en) * | 2019-04-23 | 2024-05-31 | 东莞市凯达碳纤维科技有限公司 | Composite fiber product automatic cutting machine with cleaning and dust collection functions |
| CN112139464A (en) * | 2020-08-26 | 2020-12-29 | 广东韶钢松山股份有限公司 | Alarm system of continuous casting flame cutting machine and control method thereof |
| CN113210880A (en) * | 2021-02-05 | 2021-08-06 | 济南新天科技有限公司 | Plate-pipe integrated cutting machine and working method |
| CN114043037A (en) * | 2021-10-18 | 2022-02-15 | 芜湖银鹤机械制造有限公司 | Portable flame cutting machine with intelligent positioning system for cutting spandrel girder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Precision laser cutting machine Effective date of registration: 20220303 Granted publication date: 20170609 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: JINAN XINTIAN TECHNOLOGY Co.,Ltd. Registration number: Y2022980002135 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230223 Granted publication date: 20170609 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: JINAN XINTIAN TECHNOLOGY Co.,Ltd. Registration number: Y2022980002135 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |