CN208178296U - Full-automatic refrigerator handle pipe stamping device - Google Patents
Full-automatic refrigerator handle pipe stamping device Download PDFInfo
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- CN208178296U CN208178296U CN201820647542.1U CN201820647542U CN208178296U CN 208178296 U CN208178296 U CN 208178296U CN 201820647542 U CN201820647542 U CN 201820647542U CN 208178296 U CN208178296 U CN 208178296U
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- Prior art keywords
- refrigerator handle
- automatic
- handle pipe
- cylinder
- full
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- 238000012546 transfer Methods 0.000 claims abstract description 48
- 238000004080 punching Methods 0.000 claims abstract description 16
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000000748 compression moulding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model relates to a kind of full-automatic refrigerator handle pipe stamping devices, including automatic feeding, the first transfer device, stamping device, the second transfer device and output device.The full-automatic refrigerator handle pipe stamping device is matched by the automatic feeding of special designing, transfer device with stamping device, it can be realized automatic charging, punching press, blanking, without human intervention, streamlined production may be implemented, substantially increase processing efficiency, reduce production cost, and it is stamped after good product consistency, defect rate it is low, have a vast market foreground.
Description
Technical field:
The utility model relates to refrigerator processing equipment field more particularly to a kind of full-automatic refrigerator handle pipe stamping devices.
Background technique:
It would generally be related to Sheet Metal Forming Technology in refrigerator or refrigerator-freezer handle production process, existing refrigerator or refrigerator-freezer require outer
Table is beautiful, especially handle, it is desirable that appearance is bright, consistency is good, streamline sense is strong.
Existing refrigerator or refrigerator-freezer are all much using arc line type handle to improve the convenience of aesthetics and operation
Hand, arc line type handle are typically all to be processed by stamping device or swan neck system due to its structural particularity.However, should
Class stamping device or swan neck system are all using most common device in the market, and structure is simple, typically needs worker's hand
Dynamic operation, through manual feeding, manual stamping, manual blanking, production efficiency is very low, and large labor intensity, homogeneity of product is poor,
Defect rate is higher, and has certain risk.
Utility model content:
The purpose of this utility model is in view of the drawbacks of the prior art, to provide a kind of full-automatic refrigerator handle pipe punching press dress
It sets, can be realized automatic loading/unloading, improve production efficiency, reduce the labour of worker, guarantee the consistency of product.
The utility model is achieved by the following technical solution: a kind of full-automatic refrigerator handle pipe stamping device, including
Automatic feeding, for conveying refrigerator handle pipe automatically；
First transfer device is correspondingly arranged at automatic feeding output end, for by the refrigerator on automatic feeding
Handle tube is transferred to stamping station；
Stamping device is correspondingly arranged at the first transfer device output end, is used for refrigerator handle pipe punch forming；
Second transfer device is correspondingly arranged at stamping device side, for receiving the good refrigerator handle pipe of punching press, and by ice
The transfer of case handle tube；
Output device is correspondingly arranged at the second transfer device output end, for the good refrigerator handle pipe of punching press to be delivered to
Next station.
It is in the prior art typically all to have by opening up certain moduli due to the particularity of arc line shaped refrigerator handle shape,
Then set of molds is subjected to punch forming on common press machine, however due to the limitation of press machine, entire punching press
Process is all by manual operation, and efficiency is very low.Therefore, it is necessary to design a kind of self-feeding, blanking device.
Our company is in R&D process first it is envisioned that using manipulator.Manipulator in the market is many kinds of, however
In order to realize the steering and transport of product, the structure design of manipulator is extremely complex, and volume is larger, if directly applying to punching press
On lathe, it is easy to generate interference, can not rotate freely, especially for the refrigerator handle pipe of arc line shaped, even if can be realized
Feeding is automatically grabbed, shape when due to blanking has occurred and that change, just can not be by same manipulator automatic blanking, very
Trouble.Just because of this, existing refrigerator manufacturer processes using manual stamping always.
Therefore, a kind of feed device how is designed, is effectively combined by the feed device with press machine, it can be automatic
By the technical problem that refrigerator handle pipe fitting feeding press machine is firstly the need of solution.
When solving the technical problem, our company is first it is envisioned that using traditional conveyer mechanism, on its basis
It is improved, is devised to the stronger automatic feeding of arc line shaped refrigerator handle pipe specific aim.The automatic feeding
Including chassis, the feeding material component being fixed on chassis and the motor for driving feeding material component automatic transportation, the feeding material component includes
Conveyer belt and several positioning tables, the conveyer belt are a pair, are connected to motor by shaft, and the positioning table both ends are respectively with two
Conveyer belt is fixedly connected, and positioning table is evenly distributed along conveyer belt direction of transfer.
In order to process different types of arc line shaped refrigerator handle pipe, the positioning table is detachably connected with conveyer belt, in order to
Prevent refrigerator handle pipe from falling in transmit process, the two sides of positioning table width direction are respectively arranged with backplate, between two backplates
The locating slot for being used for locating refrigerator handle tube is formed, the both ends in positioning groove length direction are open type.
Secondly, how to receive automatic feeding automatically conveys the refrigerator handle pipe to come, and refrigerator handle pipe is shifted
It is another technical problem for needing to solve to stamping device.
Branch problem is not only considered when solving the technical problem, it is also necessary to consider orientation problem.This is practical new
Type devises special transfer device according to this case.First transfer device includes two symmetrically arranged transfer assembly,
The transfer assembly is correspondingly arranged at the two sides of automatic feeding output end, and transfer assembly includes the first cylinder, sliding rail, cunning
Block, the second cylinder and positioning head, on the slide rail, the first cylinder driving sliding block is slided along sliding rail, sliding for the sliding block setting
Direction is identical as the conveying direction of automatic feeding, and second cylinder is fixed on sliding block, and the positioning head is fixed on
On the telescopic rod of two cylinders, the second cylinder is by the flexible driving positioning head insertion of telescopic rod or deviates from refrigerator handle tube end
Hole.
In order to reserve certain position to other devices, stamping device is using common press machine and to its contour structures
Simply designed.The stamping device includes rack and the upper mold and lower die that are fixed on the rack, is opened up in the lower die
There is arc groove face, curved tongue face is offered in the upper mold, the arc groove face matches to be formed with curved tongue face
It is pressed and molded chamber.
Finally, how to take out the arc line shaped refrigerator handle pipe completed on mold, and it is transported to next station, is to need
Another technical problem to be solved.
Likewise, not only will be in view of lateral, vertical transfer when solving the problems, such as the technical problem, it is also necessary in view of fixed
Position problem.The utility model devises another special transfer device according to this case.Second transfer device includes
Third cylinder, cross slide way, transverse slider and clamp assemblies, the transverse slider are arranged on cross slide way, the third gas
Cylinder drives transverse slider, and transversely guide rail slides, and the conveying direction of glide direction and automatic feeding is perpendicular, the transverse direction
Longitudinal rail is provided on sliding block, the clamp assemblies setting is provided on longitudinal rail, on clamp assemblies can drive folder
Hold the component longitudinal cylinder that guide rail slides along longitudinal direction.
For the ease of clamping position, the clamp assemblies include mounting plate and the clamping machine for being symmetricly set on installation board ends
Structure, guide rail is slidably connected the mounting plate along longitudinal direction, and the clamping device includes the 4th cylinder and plug, and the 4th cylinder is logical
It crosses bracket to fix on a mounting board, the plug is fixed on the telescopic rod of the 4th cylinder, and the 4th cylinder is flexible by telescopic rod
Drive the hole of plug insertion or abjection refrigerator handle tube end.
For the ease of grafting, the plug is tilted down.
Preferably, the output device uses common conveyer belt mechanism, including fixed frame and setting are on fixed frame
Conveyer belt.
The beneficial effects of the utility model are: the full-automatic refrigerator handle pipe stamping device sending automatically by special designing
Material device, transfer device are matched with stamping device, can be realized automatic charging, punching press, blanking, without human intervention, can be with
Realize streamlined production, substantially increase processing efficiency, reduce production cost, and it is stamped after good product consistency, secondary
Product rate is low, has a vast market foreground.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the full-automatic refrigerator handle pipe stamping device of the utility model；
Fig. 2 is the automatic feeding of the full-automatic refrigerator handle pipe stamping device of the utility model, the first transfer device, the
The schematic perspective view of two transfer devices and output device；
Fig. 3 is the structural schematic diagram of the Full-automatic feeding device of the utility model；
Fig. 4 is the structural schematic diagram of first transfer device of the utility model；
Fig. 5 is the structural schematic diagram of the stamping device of the utility model；
Fig. 6 is the structural schematic diagram of second transfer device of the utility model.
Specific embodiment:
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be understood by those skilled in the art with feature, to make apparent specific boundary to the protection scope of the utility model
It is fixed.Direction term that the utility model is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom" etc.,
It is only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the utility model, rather than to
Limit the utility model.
As shown in Figure 1, a kind of full-automatic refrigerator handle pipe stamping device, including
Automatic feeding 1, for conveying refrigerator handle pipe automatically；
First transfer device 2 is correspondingly arranged at 1 output end of automatic feeding, for by the ice on automatic feeding 1
Case handle tube is transferred to stamping station；
Stamping device 3 is correspondingly arranged at 2 output end of the first transfer device, is used for refrigerator handle pipe punch forming；
Second transfer device 4 is correspondingly arranged at 3 side of stamping device, for receiving the good refrigerator handle pipe of punching press, and will
The transfer of refrigerator handle pipe；
Output device 5 is correspondingly arranged at 4 output end of the second transfer device, for conveying the good refrigerator handle pipe of punching press
To next station.
Automatic feeding as shown in Figure 2 and Figure 3, including chassis 11, the feeding material component being fixed on chassis 11 and driving
The motor 12 of feeding material component automatic transportation, the feeding material component include conveyer belt 13 and several positioning tables 14, the conveyer belt 13
It for a pair, is connect by shaft with motor 12,14 both ends of positioning table are fixedly connected with two conveyer belts 13 respectively, positioning table 14
It is evenly distributed along 13 direction of transfer of conveyer belt.The positioning table 14 is detachably connected with conveyer belt 13, according to refrigerator handle pipe ruler
Very little size can replace the positioning table 14 of corresponding length, and the two sides of 14 width direction of positioning table are respectively arranged with backplate 15,
The locating slot for being used for locating refrigerator handle tube is formed between two backplates 15, the both ends in positioning groove length direction are open type, i.e. ice
The both ends of the length direction of case handle tube can be stretched out outside locating slot, and the two sides of width direction are then limited in positioning by backplate 15
In slot, positioning is realized.
First transfer device as shown in Figure 2, Figure 4 shows, including two symmetrically arranged transfer assembly, the transfer assembly are corresponding
The two sides of automatic feeding output end are set, and transfer assembly includes the first cylinder 21, sliding rail 22, sliding block 23, the second cylinder
24 and positioning head 25, the sliding block 23 is arranged on sliding rail 22, and first cylinder 21 drives sliding block 23 to slide along sliding rail 22, sliding
Dynamic direction is identical as the conveying direction of automatic feeding, and second cylinder 24 is fixed on sliding block 23, the positioning head 25
It is fixed on the telescopic rod of the second cylinder 24, positioning head 25 passes through the flexible driving positioning of telescopic rod in cone, the second cylinder 24
In the hole of first 25 insertion or abjection 6 end of refrigerator handle pipe.Since the refrigerator handle pipe 6 being originally sent into is horizontal tube, two
The positioning head 25 being oppositely arranged is horizontally disposed, when two second cylinders 24 stretch out, two positioning heads 25 can be driven to be inserted into refrigerator handle
In the hole at 6 both ends of pipe.
Stamping device as described in Fig. 2, Fig. 5, including rack 33 and the upper mold being fixed in rack 33 32 and lower die 31, institute
The arc groove face offered in lower die 31 to lower recess is stated, downwardly convex curved tongue face is offered in the upper mold 32,
The arc groove face matches to form compression molding chamber with curved tongue face, passes through the arc groove face and curved tongue face
Originally horizontal refrigerator handle pipe can be pressed into arc line shaped refrigerator handle pipe by cooperation.Certainly, according to the size of refrigerator handle
Difference can replace upper mold 32 and the lower die 33 of different radians to meet processing needs.
Such as Fig. 2, the second transfer device shown in fig. 6, including third cylinder 41, cross slide way 42, transverse slider 43 and folder
Component is held, the transverse slider 43 is arranged on cross slide way 42, and the third cylinder 41 drives transverse slider 43 transversely to lead
Rail 42 slides, and the conveying direction of glide direction and automatic feeding is perpendicular, and longitudinal lead is provided on the transverse slider 43
Rail 48, the clamp assemblies setting are provided on longitudinal rail 48, on clamp assemblies and clamp assemblies can be driven to lead along longitudinal direction
The longitudinal cylinder that rail 48 slides.
The clamp assemblies include mounting plate 44 and the clamping device for being symmetricly set on 44 both ends of mounting plate, two clamping devices
The distance between according to the size adjustable of refrigerator handle pipe, guide rail 48 is slidably connected the mounting plate 44 along longitudinal direction, the clamping
Mechanism includes the 4th cylinder 46 and plug 47, and the 4th cylinder 46 is fixed on mounting plate 44 by bracket 45, the plug
47 are fixed on the telescopic rod of the 4th cylinder 46, and two plugs 47 are inserted in cone, the 4th cylinder 46 by the flexible driving of telescopic rod
The hole of first 47 insertion or abjection refrigerator handle tube end, since the refrigerator handle pipe after molding is arc, the hole at both ends is upward
Inclination, therefore, it is necessary to plug 47 is designed as tilting down, so that two plugs 47 can be properly inserted in two holes.
Output device as shown in Figure 2, including fixed frame 52 and the conveyer belt being arranged on fixed frame 52 51.
When processing, sent automatically as long as horizontal round or oval refrigerator handle pipe 6 is placed on by operator one by one
In the positioning table 14 for expecting device 1, positioning table 14 is delivered to end by motor 12 and the automatic of conveyer belt 13, last when reaching
When end, two first cylinders 21 are shunk, and drive two second cylinders 24 and two positioning heads 25 mobile to the direction of automatic feeding 1,
When two positioning heads 25 are moved to refrigerator handle 6 both ends of pipe, two second cylinders 24 stretch out, so that two positioning heads 25 are properly inserted ice
In the hole at 6 both ends of case handle tube, at this point, two first cylinders 21 stretch out, 6 both ends of refrigerator handle pipe are sent to 31 top of lower die,
Driving device drives upper mold 32 to decline, and carries out a punching press, can be by refrigerator handle pipe 6 by the cooperation of upper mold 32 and lower die 31
Both ends are pressed into arc line shaped, and two positioning heads 25 not only act as the effect of transfer, the effect of positioning is also acted as in pressing process, prevent
Positional shift occurs when 6 both ends of stagnant ice case handle tube are due to pressurization, after the completion of compacting, the first cylinder 21 drives the second cylinder 24
And positioning head 25 comes back for shifting next time, at this point, longitudinal cylinder drives two clamp assemblies to be moved to 6 liang of refrigerator handle pipe
End, two the 4th cylinders 46 stretch out, drive two plugs 47 insertion 6 both ends of refrigerator handle pipe hole in, by 6 both ends of refrigerator handle pipe from
It being picked up in lower die 31, the 4th cylinder 46 retraction, third cylinder 41 drives entire transverse slider 43 and mounting plate 44 to be moved to the left, when
When being moved to output device, longitudinal cylinder is stretched out, two the 4th cylinders 46 retraction, then refrigerator handle pipe 6 is fallen automatically fills in output
It sets on 5, next station is delivered to by conveyer belt 51.Operator only need to constantly place refrigerator handle pipe on positioning table 14
, do not need to carry out other any operations, in punching course, automatic feeding 1, the first transfer device 2, second transfer dress
It sets 4 also operating, be independent of each other.
The beneficial effects of the utility model are: the full-automatic refrigerator handle pipe stamping device sending automatically by special designing
Material device, transfer device are matched with stamping device, can be realized automatic charging, punching press, blanking, without human intervention, can be with
Realize streamlined production, piece refrigerator handle pipe of punching press only needs 5 seconds or so, and punching press of middle completion compared with the existing technology needs
Will at least 20 seconds, substantially increase processing efficiency, reduce production cost, and it is stamped after good product consistency, substandard products
Rate is low, has a vast market foreground.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (9)
1. a kind of full-automatic refrigerator handle pipe stamping device, it is characterised in that: including
Automatic feeding, for conveying refrigerator handle pipe automatically；
First transfer device is correspondingly arranged at automatic feeding output end, for by the refrigerator handle on automatic feeding
Pipe is transferred to stamping station；
Stamping device is correspondingly arranged at the first transfer device output end, is used for refrigerator handle pipe punch forming；
Second transfer device is correspondingly arranged at stamping device side, for receiving the good refrigerator handle pipe of punching press, and by refrigerator handle
The transfer of hand pipe；
Output device is correspondingly arranged at the second transfer device output end, next for the good refrigerator handle pipe of punching press to be delivered to
Station.
2. full-automatic refrigerator handle pipe stamping device according to claim 1, it is characterised in that: the automatic feeding
Including chassis, the feeding material component being fixed on chassis and the motor for driving feeding material component automatic transportation, the feeding material component includes
Conveyer belt and several positioning tables, the conveyer belt are a pair, are connected to motor by shaft, and the positioning table both ends are respectively with two
Conveyer belt is fixedly connected, and positioning table is evenly distributed along conveyer belt direction of transfer.
3. full-automatic refrigerator handle pipe stamping device according to claim 2, it is characterised in that: the positioning table and transmission
Band is detachably connected, and the two sides of positioning table width direction are respectively arranged with backplate, is formed between two backplates and is used for locating refrigerator handle
The locating slot of hand pipe, the both ends in positioning groove length direction are open type.
4. full-automatic refrigerator handle pipe stamping device according to claim 1, it is characterised in that: first transfer device
Including two symmetrically arranged transfer assembly, the transfer assembly is correspondingly arranged at the two sides of automatic feeding output end, transfer
Component includes the first cylinder, sliding rail, sliding block, the second cylinder and positioning head, and the sliding block is arranged on the slide rail, first cylinder
Sliding block is driven to slide along sliding rail, glide direction is identical as the conveying direction of automatic feeding, and second cylinder is fixed on cunning
On block, the positioning head is fixed on the telescopic rod of the second cylinder, and the second cylinder passes through the flexible driving positioning head insertion of telescopic rod
Or the hole of abjection refrigerator handle tube end.
5. full-automatic refrigerator handle pipe stamping device according to claim 1, it is characterised in that: the stamping device includes
Rack and the upper mold and lower die being fixed on the rack offer arc groove face in the lower die, offer arc in the upper mold
Shape tongue face, the arc groove face match to form compression molding chamber with curved tongue face.
6. full-automatic refrigerator handle pipe stamping device according to claim 1, it is characterised in that: second transfer device
Including third cylinder, cross slide way, transverse slider and clamp assemblies, the transverse slider is arranged on cross slide way, and described the
Three cylinders drive transverse slider, and transversely guide rail slides, and the conveying direction of glide direction and automatic feeding is perpendicular, described
Longitudinal rail is provided on transverse slider, the clamp assemblies setting is provided on longitudinal rail, on clamp assemblies and can drive
The dynamic clamp assemblies longitudinal cylinder that guide rail slides along longitudinal direction.
7. full-automatic refrigerator handle pipe stamping device according to claim 6, it is characterised in that: the clamp assemblies include
Mounting plate and the clamping device for being symmetricly set on installation board ends, guide rail is slidably connected the mounting plate along longitudinal direction, the clamping
Mechanism includes the 4th cylinder and plug, and the 4th cylinder is fixed by the bracket on a mounting board, and the plug is fixed on the 4th
On the telescopic rod of cylinder, the 4th cylinder passes through the flexible driving plug insertion of telescopic rod or the hole of abjection refrigerator handle tube end.
8. full-automatic refrigerator handle pipe stamping device according to claim 7, it is characterised in that: the plug dips down
Tiltedly.
9. full-automatic refrigerator handle pipe stamping device according to claim 1, it is characterised in that: the output device includes
Fixed frame and the conveyer belt being arranged on fixed frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820647542.1U CN208178296U (en) | 2018-05-02 | 2018-05-02 | Full-automatic refrigerator handle pipe stamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820647542.1U CN208178296U (en) | 2018-05-02 | 2018-05-02 | Full-automatic refrigerator handle pipe stamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208178296U true CN208178296U (en) | 2018-12-04 |
Family
ID=64431890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820647542.1U Withdrawn - After Issue CN208178296U (en) | 2018-05-02 | 2018-05-02 | Full-automatic refrigerator handle pipe stamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208178296U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380775A (en) * | 2018-05-02 | 2018-08-10 | 常州恒联机械五金有限公司 | Full-automatic refrigerator handle pipe decompressor |
| CN110935807A (en) * | 2019-11-22 | 2020-03-31 | 嘉善永溢达精密五金有限公司 | Integrated pressure device and stamping method thereof |
| CN113210553A (en) * | 2021-06-02 | 2021-08-06 | 中冶建工集团有限公司 | Prestressed porous anchorage machining equipment and technology |
-
2018
- 2018-05-02 CN CN201820647542.1U patent/CN208178296U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380775A (en) * | 2018-05-02 | 2018-08-10 | 常州恒联机械五金有限公司 | Full-automatic refrigerator handle pipe decompressor |
| CN108380775B (en) * | 2018-05-02 | 2023-10-24 | 常州恒联机械五金有限公司 | Full-automatic refrigerator handle pipe stamping device |
| CN110935807A (en) * | 2019-11-22 | 2020-03-31 | 嘉善永溢达精密五金有限公司 | Integrated pressure device and stamping method thereof |
| CN113210553A (en) * | 2021-06-02 | 2021-08-06 | 中冶建工集团有限公司 | Prestressed porous anchorage machining equipment and technology |
| CN113210553B (en) * | 2021-06-02 | 2023-04-25 | 中冶建工集团有限公司 | Prestressed porous anchorage processing equipment and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181204 Effective date of abandoning: 20231024 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181204 Effective date of abandoning: 20231024 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |