CN109794783A - Positioning device is used in a kind of processing of mold - Google Patents
Positioning device is used in a kind of processing of mold Download PDFInfo
- Publication number
- CN109794783A CN109794783A CN201910128239.XA CN201910128239A CN109794783A CN 109794783 A CN109794783 A CN 109794783A CN 201910128239 A CN201910128239 A CN 201910128239A CN 109794783 A CN109794783 A CN 109794783A
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- plate
- fixedly connected
- pedestal
- threaded rod
- positioning device
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Abstract
The present invention relates to mold machining technology fields, and disclose a kind of mold processing positioning device, including pedestal, the upper surface of the pedestal is fixedly connected with workbench, the upper surface of the workbench is connected with plate, the inside of the pedestal offers limiting slot, the upper surface of the pedestal offers the upper surface through pedestal and is connected to the sliding slot inside limiting slot, the inner wall of the limiting slot is connected with limited block, the upper surface of the limited block is fixedly connected with sliding shoe, and the surface of the sliding shoe is flexibly connected with the inner wall of sliding slot.Mold processing positioning device, it is rotated by the first threaded rod and drives thread bush mobile, so that clamping plate clamps plate, it can fixed plate in the horizontal direction, pass through the fixed rotor plate of rotating nuts so that pressing plate compresses plate by the position that rotation rotor plate cooperation rotation third threaded rod adjusts pressing plate, can fixed plate in vertical direction, to realize the purpose of good fixing effect.
Description
Technical field
The present invention relates to mold machining technology field, positioning device is used in specially a kind of mold processing.
Background technique
Mold, in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging and forming, smelting, punching press obtain
The various moulds and tool of required product.In brief, mold is the tool for making formed article, and this tool is by various
Part is constituted, and different molds is made of different parts.It is mainly realized by the change of physical state of the formed material
The processing of article shape.It is known as the title of " mother of industry ".Mold is precision instrument, complex-shaped, bears the expansive force of blank, right
Structural strength, rigidity, surface hardness, surface roughness and machining accuracy all have higher requirements, and the development level of mold production is
The one of the important signs that of machine-building level.
Mold processes the processing for referring to molding and base tool, additionally includes shearing mould and die-cutting mould.Usual situation
Under, mold is made of upper die and lower die two parts.Steel plate is placed between upper and lower mould, realizes material under the action of press machine
Molding will obtain the workpiece determined by mold shape or the corresponding waste material of removal when press machine is opened.As low as electronics
Connector can be molded with a mold to the workpiece of automobile instrument panel greatly.Progressive die refers to can be automatically workpieces processing from one
A station is moved to another station, and obtains the one set of die of forming part in the last one station.Mould processing technology packet
It includes: cut out mould, rush mold, compound die, extrusion die, four sliding rail moulds, progressive die, stamping die, die-cutting mould etc..
Existing mold, since the processing of most molds is there is no fixed device, be easy to cause processing in processing
Deformation of products, even more serious situation will lead to product and directly scrap, so that loss can be brought to the economy of user, to making
The use of user brings inconvenience.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of mold processing positioning device, has good fixing effect
The advantages that, it solves the problems, such as not fix device.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of mold processing positioning device, including base
Seat, the upper surface of the pedestal are fixedly connected with workbench, and the upper surface of the workbench is connected with plate, the pedestal
Inside offer limiting slot, the upper surface of the pedestal offers the upper surface through pedestal and is connected to the cunning inside limiting slot
Slot, the inner wall of the limiting slot are connected with limited block, and the upper surface of the limited block is fixedly connected with sliding shoe, the cunning
The surface of motion block is flexibly connected with the inner wall of sliding slot, and the left end of the pedestal upper surface is fixedly connected with supporting block, the support
The inside fixation of block is inlaid with the first bearing for running through and being connected to supporting block both ends, and the inner wall of the first bearing is fixedly connected with
First threaded rod, the left side of first threaded rod are fixedly connected with turntable, the described one end of turntable left side far from the center of circle
It is fixedly connected with rocking bar, the right end of first threaded rod is threaded with thread bush, and thread bush is fixedly connected on sliding shoe
Upper surface, the upper surface of the thread bush is fixedly connected with link block, and the right side of the thread bush is fixedly connected with fixation
Block, the right side of the fixed block are fixedly connected with telescopic rod, and the right side of the telescopic rod is fixedly connected with clamping plate, described solid
The right side for determining block is fixedly connected with spring, and the spring is movably connected in the surface of telescopic rod, the other end of the spring with
The left side of clamping plate is fixedly connected, and the upper surface of the link block is fixedly connected with the second threaded rod, second threaded rod
Surface activity is connected with second bearing, and the surface of the second bearing is fixedly connected with rotor plate, the upper surface of the rotor plate
The threaded hole for running through and being connected to rotation board ends is offered, the inner thread of the threaded hole is connected with third threaded rod, described
The bottom on third threaded rod surface is fixedly connected with 3rd bearing, and the outer wall fixing sleeve of the 3rd bearing is connected to pressing plate, described
The surface of second threaded rod is threaded with nut.
Preferably, the quantity of the supporting block is two, and two supporting blocks are pair with the median vertical line of pedestal upper surface
The both ends for claiming axis to be symmetrically arranged at pedestal upper surface.
Preferably, the internal diameter of the first bearing is adapted with the diameter of the first threaded rod.
Preferably, the nut is located at the surface of second bearing.
Preferably, the size of the limiting slot is adapted with the size of limited block.
Preferably, the bottom of the link block is arc-shaped structure.
Preferably, two clamping plates are located at the two sides of plate.
Preferably, two pressing plates are located at the top of plate.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of mold processing positioning device, have it is following the utility model has the advantages that
Mold processing positioning device, is rotated by the first threaded rod and drives thread bush mobile, so that clamping plate clamping plate
Material fixed plate can be made by the position of rotation rotor plate cooperation rotation third threaded rod adjusting pressing plate in the horizontal direction
Pressing plate compresses plate, by the fixed rotor plate of rotating nuts, can fixed plate in vertical direction, to realize fixed effect
The good purpose of fruit.
Detailed description of the invention
Fig. 1 is structure of the invention front elevational view；
Fig. 2 is structure of the invention front view；
Fig. 3 is base construction sectional side view of the present invention；
Fig. 4 is thread bush structure sectional side view of the present invention；
Fig. 5 is rotor plate structure top view of the present invention.
In figure: 1 pedestal, 2 workbench, 3 plates, 4 limiting slots, 5 sliding slots, 6 limited blocks, 7 sliding shoes, 8 supporting blocks, 9 first
Bearing, 10 first threaded rods, 11 turntables, 12 rocking bars, 13 thread bush, 14 link blocks, 15 fixed blocks, 16 telescopic rods, 17 clamping plates, 18
Spring, 19 second threaded rods, 20 second bearings, 21 rotor plates, 22 threaded holes, 23 third threaded rods, 24 3rd bearings, 25 pressures
Plate, 26 nuts.
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.
Fig. 1-5, a kind of mold processing positioning device, including pedestal 1, the upper surface of pedestal 1 is please referred to be fixedly connected with
Workbench 2, the upper surface of workbench 2 are connected with plate 3, and the inside of pedestal 1 offers limiting slot 4, the upper surface of pedestal 1
The sliding slot 5 for offering the upper surface through pedestal 1 and being connected to inside limiting slot 4, the inner wall of limiting slot 4 are connected with limited block
6, the size of limiting slot 4 is adapted with the size of limited block 6, enables limited block 6 movable in limiting slot 4, limited block 6 it is upper
Surface is fixedly connected with sliding shoe 7, and the surface of sliding shoe 7 is flexibly connected with the inner wall of sliding slot 5, and the left end of 1 upper surface of pedestal is solid
Surely it is connected with supporting block 8, the quantity of supporting block 8 is two, and two supporting blocks 8 are pair with the median vertical line of 1 upper surface of pedestal
The both ends for claiming axis to be symmetrically arranged at 1 upper surface of pedestal, allow two clamping plates 17 to clamp plate 3 in the horizontal direction,
And two pressing plates 25 can clamp plate 3 in vertical direction, fixed be inlaid in the inside of supporting block 8 runs through and is connected to supporting block
The first bearing 9 at 8 both ends, the inner wall of first bearing 9 are fixedly connected with the first threaded rod 10, the internal diameter of first bearing 9 and first
The diameter of threaded rod 10 is adapted, and the first threaded rod 10 is allowed to be fixed on the inner wall of first bearing 9, the first threaded rod 10
Left side is fixedly connected with turntable 11, and 11 left side of turntable is fixedly connected with rocking bar 12, the first threaded rod far from the one end in the center of circle
10 right end is threaded with thread bush 13, and thread bush 13 is fixedly connected on the upper surface of sliding shoe 7, the upper table of thread bush 13
Face is fixedly connected with link block 14, and the bottom of link block 14 is arc-shaped structure, and link block 14 is allowed to be fixed on thread bush
13 surfaces, the right side of thread bush 13 are fixedly connected with fixed block 15, and the right side of fixed block 15 is fixedly connected with telescopic rod 16,
The right side of telescopic rod 16 is fixedly connected with clamping plate 17, and two clamping plates 17 are located at the two sides of plate 3, so that two clamping plates 17 can
To clamp plate 3 in the horizontal direction, the right side of fixed block 15 is fixedly connected with spring 18, and spring 18 is movably connected in flexible
The other end on the surface of bar 16, spring 18 is fixedly connected with the left side of clamping plate 17, by the way that plate 3 to be placed on workbench 2, is led to
Crossing rotating rocker 12 drives turntable 11 to rotate, so that the rotation of the first threaded rod 10 drives thread bush 13 to be moved to the left, so that flexible
Bar 16 is shunk, and clamping plate 17 clamps plate 3, can be fixedly connected in fixed plate 3, the upper surface of link block 14 in the horizontal direction
There is the second threaded rod 19, the surface activity of the second threaded rod 19 is connected with second bearing 20, and the surface of second bearing 20 is fixed to be connected
It is connected to rotor plate 21, the upper surface of rotor plate 21 offers the threaded hole 22 for running through and being connected to 21 both ends of rotor plate, threaded hole 22
Inner thread be connected with third threaded rod 23, the bottom on 23 surface of third threaded rod is fixedly connected with 3rd bearing 24, third
The outer wall fixing sleeve of bearing 24 is connected to pressing plate 25, and two pressing plates 25 are located at the top of plate 3, and two pressing plates 25 can be in Vertical Square
Clamp plate 3 upwards, the surface of the second threaded rod 19 is threaded with nut 26, nut 26 be located at second bearing 20 just on
Side, the top for making pressing plate 25 be located at plate 3 by rotating rotor plate 21 adjust pressing plate 25 by rotation third threaded rod 23
It position, can fixed plate in vertical direction by the fixed rotor plate 21 of rotating nuts 26 so that pressing plate 25 compresses plate 3
3, to realize the purpose of good fixing effect.
When in use, by the way that plate 3 to be placed on workbench 2, turntable 11 is driven to rotate by rotating rocker 12, so that the
The rotation of one threaded rod 10 drives thread bush 13 to be moved to the left, so that telescopic rod 16 is shunk, and clamping plate 17 clamps plate, can be in water
Square upwards fixed plate 3, makes pressing plate 25 be located at the top of plate 3, passes through rotation third screw thread by rotating rotor plate 21
Bar 23 adjusts the position of pressing plate 25, so that pressing plate 25 compresses plate 3, by the fixed rotor plate 21 of rotating nuts 26, can hang down
The upward fixed plate 3 of histogram, to realize the purpose of good fixing effect.
In conclusion mold processing positioning device, is rotated by the first threaded rod 10 and drives thread bush 13 mobile, made
Clamping plate 17 clamps plate, can fixed plate 3 in the horizontal direction, pass through the rotation cooperation rotation third threaded rod of rotor plate 21
23 adjust the position of pressing plate 25, so that pressing plate 25 compresses plate 3, it, can be vertical by the fixed rotor plate 21 of rotating nuts 26
Direction upper mounted plate material 3, to realize the purpose of good fixing effect.
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 (8)
1. a kind of mold processing positioning device, including pedestal (1), it is characterised in that: the upper surface of the pedestal (1) is fixed to be connected
It is connected to workbench (2), the upper surface of the workbench (2) is connected with plate (3), and the inside of the pedestal (1) offers
The upper surface of limiting slot (4), the pedestal (1) offers the upper surface through pedestal (1) and is connected to the internal cunning of limiting slot (4)
The inner wall of slot (5), the limiting slot (4) is connected with limited block (6), and the upper surface of the limited block (6) is fixedly connected with
The surface of sliding shoe (7), the sliding shoe (7) is flexibly connected with the inner wall of sliding slot (5), the left end of pedestal (1) upper surface
It is fixedly connected with supporting block (8), the inside of the supporting block (8) is fixed to be inlaid with and run through and be connected to the of supporting block (8) both ends
The inner wall of one bearing (9), the first bearing (9) is fixedly connected with the first threaded rod (10), first threaded rod (10)
Left side is fixedly connected with turntable (11), and turntable (11) left side is fixedly connected with rocking bar (12) far from the one end in the center of circle,
The right end of first threaded rod (10) is threaded with thread bush (13), and thread bush (13) is fixedly connected on sliding shoe (7)
Upper surface, the upper surface of the thread bush (13) is fixedly connected with link block (14), and the right side of the thread bush (13) is solid
Surely it is connected with fixed block (15), the right side of the fixed block (15) is fixedly connected with telescopic rod (16), the telescopic rod (16)
Right side be fixedly connected with clamping plate (17), the right side of the fixed block (15) is fixedly connected with spring (18), the spring
(18) surface of telescopic rod (16), the fixed company of the other end of the spring (18) and the left side of clamping plate (17) are movably connected in
It connects, the upper surface of the link block (14) is fixedly connected with the second threaded rod (19), and the surface of second threaded rod (19) is living
Dynamic to be connected with second bearing (20), the surface of the second bearing (20) is fixedly connected with rotor plate (21), the rotor plate
(21) upper surface offers the threaded hole (22) for running through and being connected to rotor plate (21) both ends, the inner wall spiral shell of the threaded hole (22)
Line is connected with third threaded rod (23), and the bottom on third threaded rod (23) surface is fixedly connected with 3rd bearing (24), institute
The outer wall fixing sleeve for stating 3rd bearing (24) is connected to pressing plate (25), and the surface of second threaded rod (19) is threaded with nut
(26)。
2. a kind of mold processing positioning device according to claim 1, it is characterised in that: the number of the supporting block (8)
Amount is two, and two supporting blocks (8) are symmetrically arranged at pedestal as symmetry axis using the median vertical line of pedestal (1) upper surface
(1) both ends of upper surface.
3. a kind of mold processing positioning device according to claim 1, it is characterised in that: the first bearing (9)
Internal diameter is adapted with the diameter of the first threaded rod (10).
4. a kind of mold processing positioning device according to claim 1, it is characterised in that: the nut (26) is located at the
The surface of two bearings (20).
5. a kind of mold processing positioning device according to claim 1, it is characterised in that: the limiting slot (4) it is big
The small size with limited block (6) is adapted.
6. a kind of mold processing positioning device according to claim 1, it is characterised in that: the bottom of the link block (14)
Portion is arc-shaped structure.
7. a kind of mold processing positioning device according to claim 1, it is characterised in that: two clamping plate (17) positions
In the two sides of plate (3).
8. a kind of mold processing positioning device according to claim 1, it is characterised in that: two pressing plate (25) positions
In the top of plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128239.XA CN109794783A (en) | 2019-02-21 | 2019-02-21 | Positioning device is used in a kind of processing of mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128239.XA CN109794783A (en) | 2019-02-21 | 2019-02-21 | Positioning device is used in a kind of processing of mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109794783A true CN109794783A (en) | 2019-05-24 |
Family
ID=66561131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910128239.XA Withdrawn CN109794783A (en) | 2019-02-21 | 2019-02-21 | Positioning device is used in a kind of processing of mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109794783A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450289A (en) * | 2019-08-12 | 2019-11-15 | 孙梦思 | A kind of stone material processing unit (plant) |
| CN110757200A (en) * | 2019-11-11 | 2020-02-07 | 姚云竞 | Rotary high-precision machine tool fixture |
| CN110756635A (en) * | 2019-11-22 | 2020-02-07 | 娄底市宝丰传动设备有限公司 | Fixing device for numerical control turntable type stretch bender |
| CN111037333A (en) * | 2019-12-30 | 2020-04-21 | 重庆市核力铸造有限责任公司 | Cutting machine for automobile plates |
| CN111300094A (en) * | 2020-03-14 | 2020-06-19 | 佛山舒宜添科技有限公司 | Clamping device is used in processing of valve body terminal surface |
| CN111305392A (en) * | 2020-04-11 | 2020-06-19 | 无锡文汇机械有限公司 | Steel structure air butt joint tool |
| CN111360722A (en) * | 2020-03-19 | 2020-07-03 | 北华航天工业学院 | A positioning mechanism for automation line visual detection |
| CN111360430A (en) * | 2020-04-02 | 2020-07-03 | 合肥百恒设备模具有限公司 | Quick-change speed positioning plane cutting support |
| CN111590278A (en) * | 2020-06-01 | 2020-08-28 | 襄阳吉盛邦机械有限公司 | Lever machining method and machining equipment thereof |
| CN111660216A (en) * | 2020-05-22 | 2020-09-15 | 贵州海澄科技有限公司 | Clamp for clamping filter screen |
| CN111805249A (en) * | 2020-08-06 | 2020-10-23 | 吴雪春 | Machining platform for mechanical parts |
| CN112159088A (en) * | 2020-09-22 | 2021-01-01 | 徐执斌 | Temperature homogenizing device for die machining |
| CN112192439A (en) * | 2020-10-27 | 2021-01-08 | 诸暨市智焘智能科技有限公司 | Plastic plate processing device |
| CN112318405A (en) * | 2021-01-07 | 2021-02-05 | 山东科技职业学院 | Clamping device for material processing |
| CN113458501A (en) * | 2021-05-07 | 2021-10-01 | 盐城诺焱科技有限公司 | Hardware mould beveling device with multidirectional adjusting function |
| CN113523841A (en) * | 2021-08-07 | 2021-10-22 | 陕西理工大学 | Clamping device for machine-building |
| CN113695641A (en) * | 2021-09-22 | 2021-11-26 | 徐州埃比西斯机械有限公司 | Drilling device with fixing mechanism for mechanical parts |
| CN113894723A (en) * | 2021-11-02 | 2022-01-07 | 常州工业职业技术学院 | Damage-proof ejection type clamping tool for mold |
| CN113967884A (en) * | 2021-10-21 | 2022-01-25 | 深圳市隆昌兴金属科技有限公司 | Pressing device for preventing deformation of plate during processing |
| CN116330011A (en) * | 2023-05-30 | 2023-06-27 | 四川省嘉绮瑞航空装备有限公司 | Plate material hole making quick positioning and clamping system for numerical control milling machine |
-
2019
- 2019-02-21 CN CN201910128239.XA patent/CN109794783A/en not_active Withdrawn
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450289A (en) * | 2019-08-12 | 2019-11-15 | 孙梦思 | A kind of stone material processing unit (plant) |
| CN110757200B (en) * | 2019-11-11 | 2020-11-03 | 姚云竞 | Rotary high-precision machine tool fixture |
| CN110757200A (en) * | 2019-11-11 | 2020-02-07 | 姚云竞 | Rotary high-precision machine tool fixture |
| CN110756635A (en) * | 2019-11-22 | 2020-02-07 | 娄底市宝丰传动设备有限公司 | Fixing device for numerical control turntable type stretch bender |
| CN111037333A (en) * | 2019-12-30 | 2020-04-21 | 重庆市核力铸造有限责任公司 | Cutting machine for automobile plates |
| CN111037333B (en) * | 2019-12-30 | 2021-04-20 | 重庆市核力铸造有限责任公司 | Cutting machine for automobile plates |
| CN111300094A (en) * | 2020-03-14 | 2020-06-19 | 佛山舒宜添科技有限公司 | Clamping device is used in processing of valve body terminal surface |
| CN111360722A (en) * | 2020-03-19 | 2020-07-03 | 北华航天工业学院 | A positioning mechanism for automation line visual detection |
| CN111360430A (en) * | 2020-04-02 | 2020-07-03 | 合肥百恒设备模具有限公司 | Quick-change speed positioning plane cutting support |
| CN111305392A (en) * | 2020-04-11 | 2020-06-19 | 无锡文汇机械有限公司 | Steel structure air butt joint tool |
| CN111660216A (en) * | 2020-05-22 | 2020-09-15 | 贵州海澄科技有限公司 | Clamp for clamping filter screen |
| CN111590278A (en) * | 2020-06-01 | 2020-08-28 | 襄阳吉盛邦机械有限公司 | Lever machining method and machining equipment thereof |
| CN111805249A (en) * | 2020-08-06 | 2020-10-23 | 吴雪春 | Machining platform for mechanical parts |
| CN112159088A (en) * | 2020-09-22 | 2021-01-01 | 徐执斌 | Temperature homogenizing device for die machining |
| CN112192439A (en) * | 2020-10-27 | 2021-01-08 | 诸暨市智焘智能科技有限公司 | Plastic plate processing device |
| CN112318405A (en) * | 2021-01-07 | 2021-02-05 | 山东科技职业学院 | Clamping device for material processing |
| CN113458501A (en) * | 2021-05-07 | 2021-10-01 | 盐城诺焱科技有限公司 | Hardware mould beveling device with multidirectional adjusting function |
| CN113523841A (en) * | 2021-08-07 | 2021-10-22 | 陕西理工大学 | Clamping device for machine-building |
| CN113695641A (en) * | 2021-09-22 | 2021-11-26 | 徐州埃比西斯机械有限公司 | Drilling device with fixing mechanism for mechanical parts |
| CN113967884A (en) * | 2021-10-21 | 2022-01-25 | 深圳市隆昌兴金属科技有限公司 | Pressing device for preventing deformation of plate during processing |
| CN113894723A (en) * | 2021-11-02 | 2022-01-07 | 常州工业职业技术学院 | Damage-proof ejection type clamping tool for mold |
| CN113894723B (en) * | 2021-11-02 | 2023-01-24 | 常州工业职业技术学院 | Damage-proof ejection type clamping tool for mold |
| CN116330011A (en) * | 2023-05-30 | 2023-06-27 | 四川省嘉绮瑞航空装备有限公司 | Plate material hole making quick positioning and clamping system for numerical control milling machine |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190524 |
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| WW01 | Invention patent application withdrawn after publication |