CN207724049U - The arrangement for grinding of the carbon spring steel wire rod wire drawing die of improvement - Google Patents
The arrangement for grinding of the carbon spring steel wire rod wire drawing die of improvement Download PDFInfo
- Publication number
- CN207724049U CN207724049U CN201721763874.8U CN201721763874U CN207724049U CN 207724049 U CN207724049 U CN 207724049U CN 201721763874 U CN201721763874 U CN 201721763874U CN 207724049 U CN207724049 U CN 207724049U
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- China
- Prior art keywords
- main shaft
- mounting base
- clamping
- grinding
- wire drawing
- 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.)
- Expired - Fee Related
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Abstract
A kind of arrangement for grinding of the carbon spring steel wire rod wire drawing die of improvement, it includes the pedestal of box, card grinding drive component and clamping mould component, the upper side of pedestal is workbench, card grinding drive component includes polishing main shaft and main shaft mounting base, main shaft mounting base linear reciprocation can be slided on the table, and the dismountable clamping in torque output end for main shaft of polishing has card grinding；Clamping mould component includes fixture mounting base and the clamping main shaft being fixed in fixture mounting base, the installation that fixture mounting base can relatively rotate in the horizontal direction is on the table, one end of clamping main shaft is provided with a clamping mechanism for clamping wire drawing die, and fixture mounting base can drive clamping main axis to wire drawing to be die-cut on the straight-line trajectory of card grinding；The angle that can be rotated on the workbench by adjusting the fixture mounting base, makes the central axis of wire drawing die form an angle with card grinding shape, and the cone angle for coming each different function position in specific aim wire drawing die endoporus is repaired.
Description
Technical field
The utility model is related to the wire-drawing equipment technical field of carbon spring steel wire rod, more particularly to a kind of carbon of improvement
The arrangement for grinding of spring steel wire wire drawing die.
Background technology
Spring is a kind of component used under shock and vibration or long-term friendship stress, it requires the manufacture material of spring
It is a kind of dedicated for manufacture spring to have higher tensile strength, elastic limit, higher fatigue strength, carbon spring steel material
With the steel of elastic element, have higher intensity and fatigue limit.The manufacturer of carbon spring steel material can be by carbon bullet
Spring steel causes to prick wire rod, consequently facilitating transport, storage and later stage continue to process.And in spring steel wire in subsequent wire drawing
Need to use wire-drawing die in the process, and the permanent die hole of wire-drawing die can be because the long-time friction with spring steel wire cause one
The abrasion for determining degree forms on the hole wall of interior die hole and draws trace, and then makes mould invalidation, and is directed to part concentrated wear（There is drawing
Trace）With the wire-drawing die of plastic deformation, generally the interior die hole of wire-drawing die can all be repaired using grinding apparatus, trace will be drawn
And deformation position polishes off, but the mode of traditional repairing wire drawing die is completed by internal control grinder mostly, is not had
There is a kind of equipment being exclusively used in wire drawing die endoporus reconditioning to realize repairing wire-drawing die rapidly and efficiently, this is wanted by the utility model
The technical problem underlying researched and solved.
Utility model content
The purpose of this utility model is to provide a kind of arrangement for grinding of the carbon spring steel wire rod wire drawing die of improvement, institutes
Technical problems to be solved are：Traditional wire drawing die carries out interior die hole using internal control grinder and repairs, although can also reach mesh
, it is singly that can not accomplish special computer for special use, repairs mold every time and be required for additionally debugging, if using hole abrading machine as special
Equipment it will cause use cost height.
In order to solve the above technical problems, the utility model provides a kind of reconditioning of the carbon spring steel wire rod wire drawing die of improvement
Device comprising the upper side of pedestal, card grinding drive component and the clamping mould component of box, the pedestal is workbench,
The card grinding drive component includes polishing main shaft and main shaft mounting base, and the polishing main shaft is installed on the main shaft installation
On seat, the main shaft mounting base linear reciprocation can be slided on the workbench, the glide direction of the main shaft mounting base and institute
The centerline axis parallel of polishing main shaft is stated, the dismountable clamping in torque output end of the polishing main shaft has card grinding；The mold
Clamping assembly includes fixture mounting base and the clamping main shaft that is fixed in the fixture mounting base, the fixture mounting base
What can be relatively rotated in the horizontal direction is mounted on the workbench, and the central axis of the clamping main shaft and the polishing
For the central axis of main shaft in same level, one end of the clamping main shaft is provided with a clamping machine for clamping wire drawing die
Structure, the fixture mounting base can drive the clamping main axis to be die-cut into the straight-line trajectory of the card grinding to the wire drawing
On；An irradiation light is provided on the workbench, the irradiation light is fixed at one end of a gooseneck, and the other end is fixed
It is connected on the workbench, the power cord of the irradiation light is arranged in the gooseneck, and the irradiation light can correspond to irradiation
Contact site between the wire drawing die and card grinding.
It is preferable over：A card grinding sliding equipment, the card grinding are provided on the workbench between the main shaft mounting base
Sliding equipment includes that two pieces of vertical fixed plates and at least two parallel fixations are erected at the slide bar between two fixed plates,
The set that can be slided relatively at least two slide bars is installed with a slide unit, and the main shaft mounting base is fixedly mounted on the slide unit
On, the side of the slide unit is fixedly installed one and is used to adjust the operation driving lever that the slide unit slides on the slide bar, described
It is parallel with the workbench and vertical with the slide bar to operate driving lever.
It is preferable over：The polishing main shaft is high speed water cooling main shaft, and the torque output end of the polishing main shaft is provided with a bullet
Property collet tube.
It is preferable over：A fixing bolt is vertically convexly equipped on the workbench, the fixture peace women's dress seat includes bottom plate and consolidates
The axle bed being scheduled on the bottom plate, one end that the clamping mechanism is corresponded on the bottom plate offer one and are matched with the fixing bolt
Perforation, the perforation being sheathed on the fixing bolt with respect to rotation, on the fixing bolt pass through the perforation one end
A pin hole is offered, the downside of the pin hole is flushed with the upper-side hole shoulder of the perforation, and a spring catch is equipped in the pin hole,
The bottom plate axial limiting is between the workbench and the spring catch.
It is preferable over：An arc long lumbar hole is offered on the workbench, the center of circle of the arc long lumbar hole is in the fixation
On the central axis of bolt, the radius of the arc long lumbar hole is less than the length of the bottom plate, and one is fixedly installed on the bottom plate
It is arranged in the arc long lumbar hole with the torque output shaft correspondence of the steering motor of the table vertical, the steering motor
In, the diameter of the torque output shaft of the steering motor is no more than the width of the arc long lumbar hole, is corresponded on the workbench
It is fixedly installed in a concentric arc in the radial outside for being located at the arc long lumbar hole on the one side of the chassis interior
Rack passes through one end of the arc long lumbar hole to be fixedly installed one and the arc on the torque output shaft of the steering motor
The gear that inner rack is meshed.
It is preferable over：Radial outside on the workbench positioned at the arc long lumbar hole is fixedly installed a concentric arc
Angle scale, the centre position of one end corresponding with the curved angle scale is provided with a cue mark on the bottom plate.
It is preferable over：The clamping mechanism is chuck.
It is preferable over：Be provided in the pedestal of box for the vacant polishing main shaft, clamping main shaft, steering motor with
And the control unit of irradiation light.
It is preferable over：The polishing main shaft is opposite with the rotation direction of clamping main shaft.
It is preferable over：A flexible water cloth, the flexible water cloth are folded between the main shaft mounting base and the slide unit
It is provide with and is covered on two pieces of card grinding sliding equipments, and correspond to the other end for installing the main shaft mounting base on the slide unit
It is additionally provided with a clamping strip for the flexible water cloth to be clamped, the operation driving lever is fixed by the screw thread grafting axis of one end and inserted
It is connected on the slide unit, and the diameter of the operation driving lever is more than the diameter of the screw thread grafting axis, the screw thread grafting axis is worn
It crosses the flexible water cloth to be plugged on the slide unit, the axial end face of the operation driving lever exists the flexible water cloth holder
On the slide unit.
Compared with prior art, the utility model has the beneficial effects that：
1, gear circumferential movement on the arc inner tooth item can be driven by the rotation of the steering motor, into
And the angle that the fixture mounting base rotates on the workbench is adjusted, so that the central axis of wire drawing die is formed centainly with card grinding
Angle, the cone angle for coming each different function position in specific aim wire drawing die endoporus are repaired, and can be directed to cone angle in difference
Wire-drawing die place under repair polishing；
2, linear slide basis is provided for the polishing main shaft by the card grinding sliding equipment, described in manual operation
Operation driving lever adjusts sliding distance of the slide unit on the slide bar, and then controls the polishing main shaft and become into the four paws card
The wire drawing die of clamping on disk, to polish the wire drawing die endoporus for adjusting angle；
3, the card grinding and wire drawing are respectively driven with the clamping main shaft using the polishing main shaft of opposite direction rotation
Mould rotates, and realizes the interior die hole of the polishing wire drawing die of relatively higher speed, and the irradiation light can carry for operative employee
For observing required light.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the pedestal sectional structure elevational schematic view of the utility model.
Specific implementation mode
Below with reference to attached drawing 1,2 and preferred embodiment to the utility model proposes a kind of improvement carbon spring steel
The arrangement for grinding of wire rod wire drawing die is described in greater detail.
The utility model provides a kind of arrangement for grinding of the carbon spring steel wire rod wire drawing die of improvement comprising the bottom of box
The upper side of seat 1, card grinding drive component 2 and clamping mould component 3, the pedestal 1 is workbench 11, the card grinding driving group
Part 2 includes that polishing main shaft 21 and main shaft mounting base 22, the polishing main shaft 21 are installed in the main shaft mounting base 22,
The main shaft mounting base 22 linear reciprocation can be slided on the workbench 11, the glide direction of the main shaft mounting base 22 and institute
The centerline axis parallel of polishing main shaft 21 is stated, the dismountable clamping in torque output end of the polishing main shaft 21 has card grinding 4；It is described
Clamping mould component 3 includes fixture mounting base 31 and the clamping main shaft 32 being fixed in the fixture mounting base 31, institute
That states that fixture mounting base 31 can relatively rotate in the horizontal direction is mounted on the workbench 11, and the clamping main shaft 32
For the central axis of central axis and the polishing main shaft 21 in same level, one end of the clamping main shaft 32 is provided with one
For the clamping mechanism 33 of clamping wire drawing die 5, the fixture mounting base 31 can drive the clamping main shaft 32 to turn to the drawing
Silk mould 5 is inserted on the straight-line trajectory of the card grinding 4；An irradiation light 7, the irradiation light 7 are provided on the workbench 11
It is fixed at one end of a gooseneck 71, the other end is fixedly connected on the workbench 11, the power supply of the irradiation light 7
Line is arranged in the gooseneck 71, and the irradiation light 7 can correspond to the contact site irradiated between the wire drawing die 5 and card grinding 4.
The utility model in the specific implementation, can drive the card grinding 4 to rotate by the card grinding drive component 2, and
And by the main shaft mounting base 22 can linear slide setting on the workbench 11, and then can make the card grinding 4 from
It opens or contacts and move between the wire drawing die 5, and the clamping mould component 3 can then pass through the fixture mounting seat 31
The position of the wire drawing die 5 is rotated and adjusts, realization makes the card grinding 4 of straight cut disclosure satisfy that the wire drawing die 5 of polishing
The different cone angle position of multiple functional areas in interior die hole, the irradiation light 7 can provide observation light for the wire drawing die 5 of polishing
Source.
A card grinding sliding equipment 6 is provided on the workbench 11 between the main shaft mounting base 22, the card grinding is slided
Motivation structure 6 includes that two pieces of vertical fixed plates 61 and at least two parallel fixations are erected at the cunning between two fixed plates 61
Bar 62, at least two slide bars 62 can the set of opposite sliding be installed with a slide unit 63, the main shaft mounting base 22 is fixedly mounted
On the slide unit 63, the side of the slide unit 63 is fixedly installed one and is slided on the slide bar 62 for adjusting the slide unit 63
Dynamic operation driving lever 64, the operation driving lever 64 are parallel with the workbench 11 and vertical with the slide bar 62.At least two institutes
It states one sliding guide of the formation of slide bar 62 and is used to support the linear reciprocation sliding of the slide unit 63, while the behaviour can be passed through
Make driving lever 64 to be operated manually.
The polishing main shaft 21 is high speed water cooling main shaft, and the torque output end of the polishing main shaft 21 is provided with a spring cylinder
Collet carries out clamping to card grinding 4 so as to more convenient, and transmits torque to the card grinding 4.
A fixing bolt 12 is vertically convexly equipped on the workbench 11, the fixture mounting base 31 is including bottom plate 311 and admittedly
The axle bed 312 being scheduled on the bottom plate 311, the clamping main shaft 32 are fixed on the axle bed 312, the bottom plate 311
One end of the upper correspondence clamping mechanism 33 offers one and 12 matched perforation of the fixing bolt, and the perforation can be with respect to rotation
Be sheathed on the fixing bolt 12, offer a pin hole, the pin hole across one end of the perforation on the fixing bolt 12
Downside flushed with the upper-side hole shoulder of the perforation, a spring catch 13,311 axial limiting of the bottom plate are equipped in the pin hole
Between the workbench 11 and the spring catch 13, making the bottom plate 311 that can relatively rotate can not really transport in the vertical direction
It is dynamic, it realizes and adjusts the angle.
An arc long lumbar hole 14 is offered on the workbench 1, the center of circle of the arc long lumbar hole 14 is in the fixing bolt
On 12 central axis, the radius of the arc long lumbar hole 14 is less than the length of the bottom plate 311, is fixed on the bottom plate 311
It is provided with a steering motor 313 vertical with the workbench 11, the correspondence of torque output shaft 314 of the steering motor 313 is worn
In the arc long lumbar hole 14, the diameter of the torque output shaft 314 of the steering motor 313 is no more than the long waist of the arc
The width in hole 14 corresponds on the workbench 11 on the one side inside the pedestal 1 positioned at the arc long lumbar hole 14
Radial outside is fixedly installed a concentric arc inner tooth item 16, and institute is passed through on the torque output shaft 314 of the steering motor 313
The one end for stating arc long lumbar hole 14 is fixedly installed a gear 315 being meshed with the arc inner tooth item 16, and then can lead to
Crossing the rotation of the steering motor 313 drives the gear 315 to be moved on the arc inner tooth item 16, realizes and drives the bottom plate
311 rotations, the arc long lumbar hole 14 can limit the motion range of the torque output shaft of the steering motor, and then limit institute
Slewing area of the bottom plate 311 on the workbench 11 is stated, makes it that can only be rotated in the range of needs, and the workbench
Radial outside on 11 positioned at the arc long lumbar hole 14 is fixedly installed a curved angle scale 15, on the bottom plate 311 with
The centre position of 15 corresponding one end of the curved angle scale is provided with a cue mark, so as to according in wire drawing die 5
The angle of the bottom plate 311 is adjusted in the parameter in hole.The clamping mechanism 33 is chuck.
It is provided in the pedestal 1 of box for the vacant polishing main shaft 21, clamping main shaft 32, steering motor 313
And the control unit of irradiation light 7；The rotation direction of the polishing main shaft 21 and the clamping main shaft 32 is on the contrary, to polishing
Speed carry out amplification.
A flexible water cloth is folded between the main shaft mounting base 22 and the slide unit 63（It is not shown in figure, and described
Flexible water cloth can be leather or rubber）, the flexible water cloth, which is provide with, to be covered on two pieces of card grinding sliding equipments 6,
And corresponds on the slide unit 63 and the other end of the main shaft mounting base 22 is installed is additionally provided with one for the flexible water to be clamped
The clamping strip 65 of cloth, the operation driving lever 64 are fixedly plugged in by the screw thread grafting axis of one end on the slide unit 63, and described
The diameter for operating driving lever 64 is more than the diameter of the screw thread grafting axis, and the screw thread grafting axis passes through the flexible water cloth grafting
On the slide unit 63, it is described operation driving lever 64 axial end face by the flexible water cloth holder on the slide unit 63, from
And the abrasive dust and abrasive pastes fallen to the card grinding sliding equipment 6 is blocked using the flexible water cloth.
In summary, the technical solution of the utility model sufficiently effective can complete above-mentioned purpose of utility model, and
The structural principle and the principle of work and power of the utility model have all adequately been verified in embodiment, and can reach expected work(
Effect and purpose, and the embodiments of the present invention can also be converted according to these principles, therefore, the utility model includes one
Cut all replacement contents being previously mentioned in claim in range.Any institute in present utility model application the scope of the claims
The equivalence changes of work, all within the scope of the claims of category this case application.
Claims (10)
1. a kind of arrangement for grinding of the carbon spring steel wire rod wire drawing die of improvement, it is characterised in that：Pedestal, card grinding including box
The upper side of drive component and clamping mould component, the pedestal is workbench, and the card grinding drive component includes that polishing is led
Axis and main shaft mounting base, the polishing main shaft are installed in the main shaft mounting base, and the main shaft mounting base can be in institute
It states linear reciprocation on workbench to slide, the centerline axis parallel of the glide direction of the main shaft mounting base and the polishing main shaft,
The dismountable clamping in torque output end of the polishing main shaft has card grinding；The clamping mould component include fixture mounting base and
The clamping main shaft being fixed in the fixture mounting base, the peace that the fixture mounting base can relatively rotate in the horizontal direction
On the workbench, and the central axis of the central axis of the clamping main shaft and the polishing main shaft is in same level
On, one end of the clamping main shaft is provided with a clamping mechanism for clamping wire drawing die, and the fixture mounting base can drive institute
Clamping main axis is stated to be die-cut into the wire drawing on the straight-line trajectory of the card grinding；A photograph is provided on the workbench
Shot-light, the irradiation light are fixed at one end of a gooseneck, and the other end is fixedly connected on the workbench, the photograph
The power cord of shot-light is arranged in the gooseneck, and the irradiation light can correspond to the contact irradiated between the wire drawing die and card grinding
Position.
2. the arrangement for grinding for the carbon spring steel wire rod wire drawing die improved as described in claim 1, it is characterised in that：The work
Make to be provided with a card grinding sliding equipment on platform between the main shaft mounting base, the card grinding sliding equipment includes two pieces vertical
Fixed plate and at least two parallel fixations are erected at the slide bar between two fixed plates, can phase at least two slide bars
One slide unit is installed with to the set of sliding, the main shaft mounting base is fixedly mounted on the slide unit, and the side of the slide unit, which is fixed, to be set
One is equipped with for adjusting the operation driving lever that the slide unit slides on the slide bar, the operation driving lever is parallel with the workbench
And it is vertical with the slide bar.
3. the arrangement for grinding for the carbon spring steel wire rod wire drawing die improved as claimed in claim 2, it is characterised in that：It is described to beat
Mill main shaft is high speed water cooling main shaft, and the torque output end of the polishing main shaft is provided with a spring cylinder collet.
4. the arrangement for grinding for the carbon spring steel wire rod wire drawing die improved as claimed in claim 3, it is characterised in that：The work
To make vertically to be convexly equipped with a fixing bolt on platform, fixture peace women's dress seat includes bottom plate and the axle bed that is fixed on the bottom plate,
One end that the clamping mechanism is corresponded on the bottom plate offers one and the matched perforation of the fixing bolt, and the perforation can be opposite
Rotation is sheathed on the fixing bolt, and one end on the fixing bolt across the perforation offers a pin hole, the pin hole
Downside flushed with the upper-side hole shoulder of the perforation, a spring catch is equipped in the pin hole, the bottom plate axial limiting is in institute
It states between workbench and the spring catch.
5. the arrangement for grinding for the carbon spring steel wire rod wire drawing die improved as claimed in claim 4, it is characterised in that：The work
Make to offer an arc long lumbar hole on platform, the center of circle of the arc long lumbar hole is on the central axis of the fixing bolt, the arc
The radius of shape long lumbar hole is less than the length of the bottom plate, and the steering of one and the table vertical are fixedly installed on the bottom plate
The torque output shaft correspondence of motor, the steering motor is arranged in the arc long lumbar hole, and the torque of the steering motor is defeated
The diameter of shaft is no more than the width of the arc long lumbar hole, corresponds on the one side of the chassis interior on the workbench
It is fixedly installed a concentric arc inner tooth item positioned at the radial outside of the arc long lumbar hole, the torque of the steering motor is defeated
One end on shaft across the arc long lumbar hole is fixedly installed a gear being meshed with the arc inner tooth item.
6. the arrangement for grinding for the carbon spring steel wire rod wire drawing die improved as claimed in claim 5, it is characterised in that：The work
Make the radial outside on platform positioned at the arc long lumbar hole and be fixedly installed a concentric curved angle scale, on the bottom plate with
The centre position of the corresponding one end of the curved angle scale is provided with a cue mark.
7. the arrangement for grinding for the carbon spring steel wire rod wire drawing die improved as claimed in claim 6, it is characterised in that：The dress
Clamp mechanism is chuck.
8. the arrangement for grinding for the carbon spring steel wire rod wire drawing die improved as claimed in claim 7, it is characterised in that：Box
The control unit for the vacant polishing main shaft, clamping main shaft, steering motor and irradiation light is provided in the pedestal.
9. the arrangement for grinding for the carbon spring steel wire rod wire drawing die improved as claimed in claim 8, it is characterised in that：It is described to beat
It is opposite with the rotation direction of clamping main shaft to grind main shaft.
10. the arrangement for grinding for the carbon spring steel wire rod wire drawing die improved as claimed in claim 9, it is characterised in that：It is described
A flexible water cloth is folded between main shaft mounting base and the slide unit, the flexible water cloth, which is provide with, is covered in two pieces of mills
Correspond on needle sliding equipment, and on the slide unit and the other end of the main shaft mounting base is installed to be additionally provided with one described for being clamped
The clamping strip of flexible water cloth, the operation driving lever is fixedly plugged in by the screw thread grafting axis of one end on the slide unit, and institute
The diameter for stating operation driving lever is more than the diameter of the screw thread grafting axis, and the screw thread grafting axis passes through the flexible water cloth grafting
On the slide unit, the axial end face for operating driving lever is by the flexible water cloth holder on the slide unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721763874.8U CN207724049U (en) | 2017-12-18 | 2017-12-18 | The arrangement for grinding of the carbon spring steel wire rod wire drawing die of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721763874.8U CN207724049U (en) | 2017-12-18 | 2017-12-18 | The arrangement for grinding of the carbon spring steel wire rod wire drawing die of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207724049U true CN207724049U (en) | 2018-08-14 |
Family
ID=63098604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721763874.8U Expired - Fee Related CN207724049U (en) | 2017-12-18 | 2017-12-18 | The arrangement for grinding of the carbon spring steel wire rod wire drawing die of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207724049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048659A (en) * | 2018-08-25 | 2018-12-21 | 陈明亮 | A kind of lithium battery intelligent polishing mold |
| CN109834552A (en) * | 2019-01-28 | 2019-06-04 | 天长市恒鑫机电设备有限公司 | Grinding-milling equipment is used in a kind of processing of diamond wire-drawing die |
-
2017
- 2017-12-18 CN CN201721763874.8U patent/CN207724049U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048659A (en) * | 2018-08-25 | 2018-12-21 | 陈明亮 | A kind of lithium battery intelligent polishing mold |
| CN109834552A (en) * | 2019-01-28 | 2019-06-04 | 天长市恒鑫机电设备有限公司 | Grinding-milling equipment is used in a kind of processing of diamond wire-drawing die |
| CN109834552B (en) * | 2019-01-28 | 2020-08-11 | 天长市恒鑫机电设备有限公司 | Diamond wire drawing mould processing is with milling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 Termination date: 20201218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |