CN109940825A - Automatic anticreep locks fast plug device - Google Patents
Automatic anticreep locks fast plug device Download PDFInfo
- Publication number
- CN109940825A CN109940825A CN201910234806.XA CN201910234806A CN109940825A CN 109940825 A CN109940825 A CN 109940825A CN 201910234806 A CN201910234806 A CN 201910234806A CN 109940825 A CN109940825 A CN 109940825A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- fast
- injection molding
- nut
- fixed
- 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.)
- Pending
Links
- 238000001746 injection moulding Methods 0.000 claims abstract description 43
- 238000003032 molecular docking Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The invention discloses a kind of automatic anticreeps to lock fast plug device, fixed plate is inserted fastly including mold, the fast plate of injection molding machine, injection molding machine frame and control device, it is characterized by: the male plug and female are locked through retaining mechanism, the retaining mechanism includes guide sleeve, rotating electric machine, fixing seat, guide rod, screw rod, locking nut and travelling nut, the travelling nut is fixed on the fast plate of injection molding machine, the locking nut and guide sleeve are separately fixed at mold and insert in fixed plate fastly, the locking nut is corresponding with travelling nut, the fixing seat is fixed on injection molding machine frame, the fixing seat center is equipped with tapped through hole, center two sides are symmetrically arranged with pilot hole, after the screw rod is threadedly coupled with tapped through hole, one end is fixedly connected with rotating electric machine output shaft, the other end is threadedly coupled with travelling nut, the guide rod slides through Pilot hole, one end is fixedly connected with rotating electric machine casing, the other end connects with guide sleeve, and the guide rod is parallel with screw rod, and the rotating electric machine has many advantages, such as to insert that convenient, energy saving, merging precision is high, avoids causing deformation to fast slotting fixed plate fastly through control device control.
Description
Technical field
The present invention relates to fluid docking equipment technical field, specifically a kind of automatic anticreep locks fast plug device.
Background technique
It is well known that traditional automatic fast insert uses Driven by Hydraulic Cylinder, hydraulic cylinder continues output pressure, can just make fast insert group
It is combined.When fast plate combines, need to overcome the spring force that Self-sealing valve is smaller inside quick connector.In fast plate
In conjunction with rear, such as, the fluids such as hydraulic oil 20Mpa, compressed air 0.6Mpa, cooling water 0.5Mpa go into circulation various media, combination
Slotting binding force is just needed in addition to overcoming inside connector other than the spring force of Self-sealing valve fastly, it is also necessary to overcome various terminal inside stream
The pressure of body.Such as one group 3/8 of hydraulic joint, internal fluid pressure=sectional area 460mm2 × pressure 20Mpa=9200N, spring
Power 190N, single connector binding force=Fluid pressure+spring force=9390N.Multiple splice combinations need more than ten tons or even tens
The binding force of ton.It is connected using oil cylinder, applies excessive pressure to fixed plate, when quick coupling exists by the force combination of hydraulic cylinder
When being formed together circuit, since hydraulic cylinder needs to apply the thrust of 1.2 times of safety coefficients (12 tons), powerful thrust is inserted admittedly to fast
Fixed board causes certain deformation, causes to insert fixed plate deformation fastly, or even evade slotting fixed plate fastly, and then influence precision and use
Service life.Meanwhile during fast insert group closes, needs hydraulic station to continue working, cause power wastage.
Summary of the invention
It is an object of the invention to solve the deficiencies in the prior art, a kind of structure novel, fastly slotting convenient, saving energy are provided
Source, control is accurate, long service life, avoids inserting fixed plate fastly to mold and the fast plate of injection molding machine causes the automatic anti-lock of deformation
Tight fast plug device.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of fast plug device of automatic anticreep locking, including mold insert fixed plate, the fast plate of injection molding machine, injection molding machine wallboard, locking fastly
Mechanism and control device, the mold insert fixed plate fastly and are equipped with male plug and guide sleeve, and the fast plate of injection molding machine is equipped with mother
Plug and guide post, the male plug and female plug, guide sleeve and guide post plug, it is characterised in that: the male plug
Head and female locked through retaining mechanism, the retaining mechanism include fixing sleeve, rotating electric machine, fixing seat, guide rod, screw rod,
Locking nut and travelling nut, the travelling nut are fixed on the fast plate of injection molding machine, and the locking nut is separately fixed at mould
Tool is fastly in slotting fixed plate, and the locking nut is corresponding with travelling nut, and the fixing seat is fixed on injection molding machine wallboard, described
Fixing seat center is equipped with tapped through hole, and center two sides circumference array is equipped with pilot hole, and the screw rod is threadedly coupled with tapped through hole
Afterwards, one end is fixedly connected with rotating electric machine output shaft, and the other end is threadedly coupled with travelling nut, and the guide rod slides through
Pilot hole, one end are fixedly connected with rotating electric machine casing, and the other end is fixed slotting with the fixing sleeve being fixed on the fast plate of injection molding machine
It connects, the guide rod is parallel with screw rod, so that the axial displacement to screw rod is oriented to, and guarantees the fast plate of injection molding machine
Stability, the rotating electric machine are controlled through control device, and when will be to mold piping connection, control device starts rotating electric machine,
Rotating electric machine drives screw rod rotation, and the tapped through hole axial movement of the relatively fixed seat of screw rod drives the fast plate Forward of injection molding machine, this
When, guide rod 8 is moved axially along pilot hole, the Forward of auxiliary pushing injection molding machine plate, while being also helped and being carried out essence to screw rod
Really guiding, when screw rod moves on and is threadedly coupled with the locking nut on mold fastly slotting fixed plate, generating coupling mechanism force makes public affairs
Plug and female are combined closely, and after connecting in place, rotating electric machine stops operating, and the fluid in male plug and female is opened
Begin to circulate, all binding forces that male plug and female generate all are offset by the coupling mechanism force of screw rod and locking nut, are applied to
The power that mold is inserted fastly on fixed plate and the fast plate of injection molding machine is zero, ensure that mold inserts fixed plate and the fast plate of injection molding machine fastly
Flatness, male plug and female connection precision are improved, to extend the service life of equipment.
The present invention can be fixed with fast plate sensors in place on the fast plate of the injection molding machine, insert and fix fastly when the mold
Plate use non-metallic material when, can the mold fastly insert fixed plate on be equipped with sensor block, the fast plate sensors in place with
Sensor block is corresponding, and the fast plate sensors in place is connect with control device, in favor of further incuding the fast plate of injection molding machine
Information in place, and be uploaded to control device, control device instructs rotating electric machine to act again, further reaches the work accurately controlled
With.
The present invention can also be equipped with screw thread docking facilities in the fixing seat comprising baffle, reset spring and rectangular spiral shell
Mother, the fixing seat center are successively arranged the square groove being connected and screw rod perforation, slidably connect in the square groove
Square nut, square nut side circumference array are equipped with reset spring, and the baffle center is perforated equipped with screw rod, the spiral shell
After bar successively concatenates with screw rod perforating movable, is threadedly coupled, concatenates with screw rod perforating movable with square nut, one end and electric rotating
Machine output shaft is fixedly connected, and the other end is threadedly coupled with travelling nut, and the baffle is fixed on fixing seat outer end, the reset
Spring one end is inconsistent with square nut, and the other end is inconsistent with baffle, in favor of docking silk with locking nut screw thread when screw rod
When button, screw rod continues to rotate under rotating electric machine drive, and screw rod fails to the screw thread to upper locking nut immediately at this time, screw rod
The power of Forward is decomposed, and the square nut in a part of power drive fixing seat moves back compressing reset spring along square groove, separately
A part of power can then make screw rod rotate docking screw thread centered on locking nut axle center, when the screw thread of screw rod and locking nut is looked for
When just and connecting, square nut does not continue to retreat, and keeps current location constant, and the rebound power drive of reset spring is rectangular
Nut return is threadedly coupled screw rod smoothly with locking nut under the drive of rotating electric machine, and male plug and female is close
Docking.
Control device of the present invention can use PLC control device, to have the function that automatic control.
The present invention is due to using the above structure, so that all binding forces are all supported by the coupling mechanism force of screw rod and locking nut
Disappear, when combining, internal flow does not circulate, and need to only overcome the spring force of internal Self-sealing valve.When closed, biggish knot
Resultant force is offset by the coupling mechanism force of screw rod and locking nut, therefore, only screw rod rotation need to be driven to overcome lock with the motor of small torque
The frictional force of tight nut and screw rod, with inserting fastly, convenient, energy saving, merging precision is high, avoids making fast fixed plate of inserting
The advantages that at deformation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the main view of Fig. 1.
Fig. 3 is the cross-sectional view of A-A in Fig. 2.
Appended drawing reference: mold inserts fixed plate 1, the fast plate 2 of injection molding machine, injection molding machine wallboard 3, fixing sleeve 4, fast plate in place fastly
Sensor 5, rotating electric machine 6, fixing seat 7, guide rod 8, screw rod 9, locking nut 10, travelling nut 11, reset spring 12, baffle
13, square nut 14, motor fixing plate 15, guide post 16.
Specific embodiment
The present invention will be described with reference to the accompanying drawings and examples.
As shown in the picture, a kind of automatic anticreep locks fast plug device, including mold inserts fixed plate 1, the fast plate of injection molding machine fastly
2, injection molding machine wallboard 3, retaining mechanism and control device, the mold inserts fixed plate 1 fastly and is equipped with male plug and guide sleeve 17, described
The fast plate 2 of injection molding machine is equipped with female and guide post 16, and the male plug and female plug, guide sleeve 17 and guide post 16
It plugs, it is characterised in that: the male plug and female are locked through retaining mechanism, and the retaining mechanism includes fixing sleeve 4, rotation
Rotating motor 6, fixing seat 7, guide rod 8, screw rod 9, locking nut 10 and travelling nut, the travelling nut 10 are fixed on injection molding machine
On fast plate 2, the locking nut 10 is separately fixed at mold and inserts in fixed plate 1 fastly, the locking nut 10 and travelling nut
Corresponding, the fixing seat 7 is fixed on injection molding machine wallboard, and 7 center of fixing seat is equipped with tapped through hole, center two sides circumference
Array is equipped with pilot hole, and after the screw rod 9 is threadedly coupled with tapped through hole, one end is fixedly connected with 6 output shaft of rotating electric machine, separately
One end is threadedly coupled with travelling nut 11, and the guide rod 8 slides through pilot hole, and one end is fixed with 6 casing of rotating electric machine
Connection, the other end and the fixed grafting of the fixing sleeve 4 being fixed on the fast plate 2 of injection molding machine, the guide rod 8 is parallel with screw rod 9,
So that the axial displacement to screw rod 9 is oriented to, and guarantee the stability of the fast plate of injection molding machine, the rotating electric machine 6 is through controlling
Device control processed, when will be to mold piping connection, control device starts rotating electric machine 6, and rotating electric machine 6 drives screw rod 9 to rotate,
The tapped through hole axial movement of the relatively fixed seat 7 of screw rod 9, drives the fast plate 2 of injection molding machine to move forward, at this point, guide rod 8 is along guiding
Hole axial movement, the Forward of auxiliary pushing injection molding machine plate, while also helping and screw rod 9 is accurately oriented to, when screw rod 9 continues
When advancing and being threadedly coupled with the locking nut 10 on mold fastly slotting fixed plate 1, generating coupling mechanism force keeps male plug and female tight
Close combination, after connecting in place, rotating electric machine 6 stops operating, and the fluid in male plug and female goes into circulation, male plug
All binding forces generated with female are all offset by the coupling mechanism force of screw rod 9 and locking nut 10, are applied to mold and are inserted fastly admittedly
Power on fixed board and the fast plate of injection molding machine is zero, ensure that mold inserts the flatness of fixed plate and the fast plate of injection molding machine fastly,
Male plug and female connection precision are improved, to extend the service life of equipment.
The present invention can be fixed with fast plate sensors in place 5 on the fast plate 2 of the injection molding machine, when the mold is inserted admittedly fastly
When fixed board uses non-metallic material, it can be inserted fastly in the mold and be equipped with sensor block, the fast plate sensors in place in fixed plate 1
5 is corresponding with sensor block, and the fast plate sensors in place 5 is connect with control device, fast in favor of further incuding injection molding machine
The information in place of plate, and it is uploaded to control device, control device instructs rotating electric machine to act again, further reaches accurate control
Effect.
The present invention can also be equipped with screw thread docking facilities in the fixing seat comprising baffle 13, reset spring 12 and side
Shape nut 14,7 center of fixing seat are successively arranged the square groove being connected and screw rod perforation, sliding in the square groove
It is connected with square nut 14, the 14 side circumference array of square nut is equipped with reset spring 12, and 13 center of baffle is equipped with
Screw rod perforation, the screw rod successively concatenate with screw rod perforating movable, are threadedly coupled with square nut, concatenate with screw rod perforating movable
Afterwards, one end is fixedly connected with 6 output shaft of rotating electric machine, and the other end is threadedly coupled with travelling nut, and the baffle 13 is fixed on
7 outer end of fixing seat, described 12 one end of reset spring and square nut 14 are inconsistent, and the other end and baffle 13 are inconsistent, in favor of
When screw rod 9 docks screw thread with 10 screw thread of locking nut, screw rod 9 continues to rotate under the drive of rotating electric machine 6, and screw rod 9 at this time
It fails to immediately to the screw thread of upper locking nut 10, the power that screw rod 9 moves forward is decomposed, the side in a part of power drive fixing seat 7
Shape nut 14 moves back compressing reset spring 12 along square groove, and another part power can then make screw rod 9 with 10 axis of locking nut
Rotation docking screw thread centered on the heart, when screw rod 9 and the screw thread centering of locking nut 10 and when connecting, square nut 14 not followed by
It is continuous to retreat, and keep current location constant, 14 return of rebound power drive square nut of reset spring 12 is rotating screw rod 9
It is smoothly threadedly coupled with locking nut 10 under the drive of motor 6, by male plug and female closed butt joint.
Control device of the present invention can use PLC control device, to have the function that automatic control.
For the present invention in docking, control device starts rotating electric machine 6, and rotating electric machine 6 drives screw rod 9 to rotate, and screw rod 9 is opposite
The tapped through hole of travelling nut 11 moves axially, at this point, guide rod 8 supports the fast plate of injection molding machine to move forward steadily through fixing sleeve 4, spiral shell
Bar 9 moves on and prepares to be threadedly coupled with the locking nut 10 on mold fastly slotting fixed plate 1, when screw rod 9 and locking nut 10
When screw thread docks screw thread, screw rod 9 continues to rotate under rotating electric machine drive, and screw rod fails to immediately to upper locking nut at this time
Screw thread, screw rod Forward power be decomposed, the square nut in part of it power drive fixing seat moves back pressure along square groove
Compel reset spring, another part power can then make screw rod 9 and locking nut 10 keep certain pressing force, lasting rotation docking silk
Button, so that the power being applied on the fast plate of mold is insufficient to allow its deformation, when the screw thread centering of screw rod and locking nut and connects
When upper, square nut 14 does not continue to retreat, and keeps current location constant, and the rebound power drive square nut of reset spring returns
Position, is threadedly coupled screw rod smoothly with locking nut under the drive of rotating electric machine, by male plug and female closed butt joint；When
After fast plate sensors in place senses the fast plate information of die side, PLC controller instruction rotating electric machine stops operating, male plug
It goes into circulation with the fluid in female, all binding forces that male plug and female generate are all by screw rod and locking nut
Coupling mechanism force is offset, and being applied to the power that mold is inserted fastly on fixed plate and the fast plate of injection molding machine is zero, be ensure that mold is inserted fastly and is fixed
The flatness of plate and the fast plate of injection molding machine, improves male plug and female connection precision, to extend the use of equipment
Service life.
The present invention is due to using the above structure, so that all binding forces are all supported by the coupling mechanism force of screw rod and locking nut
Disappear, when combining, internal flow does not circulate, and need to only overcome the spring force of internal Self-sealing valve；When closed, biggish knot
Resultant force is offset by the coupling mechanism force of screw rod and locking nut, therefore, only screw rod rotation need to be driven to overcome lock with the motor of small torque
Tight nut and the slight frictional force of screw rod, have many advantages, such as it is fast it is slotting it is convenient, energy saving, merging precision is high.
Claims (3)
1. a kind of automatic anticreep locks fast plug device, including mold inserts fixed plate, the fast plate of injection molding machine, injection molding machine wallboard, lock fastly
Tight mechanism and control device, the mold insert fixed plate fastly and are equipped with male plug and guide sleeve, and the fast plate of injection molding machine is equipped with
Female and guide post, the male plug and female plug, guide sleeve and guide post plug, it is characterised in that: the public affairs
Plug and female are locked through retaining mechanism, and the retaining mechanism includes fixing sleeve, rotating electric machine, fixing seat, guide rod, spiral shell
Bar, locking nut and travelling nut, the travelling nut are fixed on the fast plate of injection molding machine, and the locking nut is separately fixed at
Mold is inserted in fixed plate fastly, and the locking nut is corresponding with travelling nut, and the fixing seat is fixed on injection molding machine wallboard, institute
Fixing seat center is stated equipped with tapped through hole, center two sides circumference array is equipped with pilot hole, and the screw rod and tapped through hole screw thread connect
After connecing, one end is fixedly connected with rotating electric machine output shaft, and the other end is threadedly coupled with travelling nut, and the guide rod sliding is worn
Pilot hole is crossed, one end is fixedly connected with rotating electric machine casing, and the other end is fixed with the fixing sleeve being fixed on the fast plate of injection molding machine
Grafting, the guide rod are parallel with screw rod.
2. a kind of automatic anticreep according to claim 1 locks fast plug device, it is characterised in that the fast plate of injection molding machine
On be fixed with fast plate sensors in place, the fast plate sensors in place is connect with control device.
3. a kind of automatic anticreep according to claim 1 or 2 locks fast plug device, it is characterised in that set in the fixing seat
There are screw thread docking facilities comprising baffle, reset spring and square nut, the fixing seat center are successively arranged the side being connected
Connected in star and screw rod are perforated, and slidably connect square nut in the square groove, square nut side circumference array is set
There is reset spring, the baffle center is perforated equipped with screw rod, and the screw rod is successively concatenated with screw rod perforating movable and square nut
After being threadedly coupled, concatenating with screw rod perforating movable, one end is fixedly connected with rotating electric machine output shaft, the other end and travelling nut
It is threadedly coupled, the baffle is fixed on fixing seat outer end, and described reset spring one end and square nut are inconsistent, the other end and gear
Plate is inconsistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234806.XA CN109940825A (en) | 2019-03-26 | 2019-03-26 | Automatic anticreep locks fast plug device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234806.XA CN109940825A (en) | 2019-03-26 | 2019-03-26 | Automatic anticreep locks fast plug device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109940825A true CN109940825A (en) | 2019-06-28 |
Family
ID=67011862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910234806.XA Pending CN109940825A (en) | 2019-03-26 | 2019-03-26 | Automatic anticreep locks fast plug device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109940825A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531218A (en) * | 2021-07-22 | 2021-10-22 | 中海石油(中国)有限公司 | Locking device for underwater multi-pipe quick connector of umbilical cable |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202293253U (en) * | 2011-10-31 | 2012-07-04 | 东华机械有限公司 | Rapid die opening and closing device for injection molding machine |
| CN109049579A (en) * | 2018-09-27 | 2018-12-21 | 青岛力磁电气股份有限公司 | The fast plug device of injection mold connector |
| CN209682788U (en) * | 2019-03-26 | 2019-11-26 | 青岛力磁电气股份有限公司 | Automatic anticreep locks fast plug device |
-
2019
- 2019-03-26 CN CN201910234806.XA patent/CN109940825A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202293253U (en) * | 2011-10-31 | 2012-07-04 | 东华机械有限公司 | Rapid die opening and closing device for injection molding machine |
| CN109049579A (en) * | 2018-09-27 | 2018-12-21 | 青岛力磁电气股份有限公司 | The fast plug device of injection mold connector |
| CN209682788U (en) * | 2019-03-26 | 2019-11-26 | 青岛力磁电气股份有限公司 | Automatic anticreep locks fast plug device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531218A (en) * | 2021-07-22 | 2021-10-22 | 中海石油(中国)有限公司 | Locking device for underwater multi-pipe quick connector of umbilical cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6533573B2 (en) | Mold clamping apparatus for injection molding machine | |
| CN209682788U (en) | Automatic anticreep locks fast plug device | |
| WO2013031061A1 (en) | Cylinder device with force multiplication mechanism | |
| CN100569409C (en) | Hydraulic forming equipment | |
| KR20140099480A (en) | Servo motor controlled hydraulic pump unit for tube end forming equipment | |
| CN109940825A (en) | Automatic anticreep locks fast plug device | |
| CN105562748A (en) | Finish turning clamp for machining high-precision thin-wall part | |
| CN102380775A (en) | Self-positioning compression fixture | |
| CN100503152C (en) | Clamping arrangement of guide block rough milling gap | |
| CN103722068A (en) | Cold pressing end socket forming hydraulic machine | |
| CN201329397Y (en) | Quick anvil exchanging and clamping device on hydraulic press | |
| CN105880507B (en) | Cold-chamber die casting machine | |
| CN107486568A (en) | A kind of machine tool hydraulic chuck | |
| CN209239419U (en) | A kind of interference fit shaft sleeve ejector apparatus | |
| CN114555261B (en) | Hybrid core driving device and forming machine | |
| CN104308582B (en) | A kind of machine tool hydraulic chuck | |
| CN104325297B (en) | Clamping device of boring-milling machine | |
| CN109049454A (en) | The method that a kind of pair of moulding carries out bilateral deburring | |
| CN204223013U (en) | Single motor dual drive of caterpillar robot | |
| CN202572177U (en) | Hydraulic boosting type bench clamp | |
| JPS6287318A (en) | Mold clamping device | |
| CN206277186U (en) | A kind of motor housing positioning fixture based on hydraulic lathe | |
| CN206415642U (en) | Hydraulic driven cutter chuck | |
| US3241827A (en) | High power hydromechanical clamps | |
| CN109093904A (en) | A kind of moulding burr remover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240428 Address after: Room 303, A3, Building 4, No. 781 Xifu Road, Chengyang District, Qingdao City, Shandong Province, 266000 Applicant after: Qingdao weibak Biotechnology Co.,Ltd. Country or region after: China Address before: 266000 Building 27, Tian'an Digital City, Chengyang District, Qingdao, Shandong Province Applicant before: QINGDAO LICI ELECTRIC CO.,LTD. Country or region before: China |