CN106346236A - Automatic tightening device for thread locking - Google Patents
Automatic tightening device for thread locking Download PDFInfo
- Publication number
- CN106346236A CN106346236A CN201610840027.0A CN201610840027A CN106346236A CN 106346236 A CN106346236 A CN 106346236A CN 201610840027 A CN201610840027 A CN 201610840027A CN 106346236 A CN106346236 A CN 106346236A
- Authority
- CN
- China
- Prior art keywords
- ram
- screw
- slide block
- guide rail
- chuck
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses an automatic tightening device for thread locking and belongs to the field of machinery. The automatic tightening device comprises a base part, a column part, a ram part and the like. The automatic tightening device solves the problem about automatic tightening of threads on thin-walled cylindrical products adopting thread connection, the thread locking force is controllable, and the product assembly quality is controllable; the process which requires cooperation of multiple persons for manual tightening during assembly originally now requires only one person for automatic tightening butt joint of threads, the device is simple to operate, saves labor and effort and plays obvious advantages during thread butt joint of two cabin sections on a small cylindrical product assembly line, the production efficiency can be improved by 50% or above, and the product butt joint quality is controllable.
Description
Technical field
The present invention relates to technical field of mechanical equipment, more particularly, to a kind of automatic screwing device of screw-threaded coupling.
Background technology
At present, factory undertakes product development and batch production, and in carrying out assembling process, head is leaned on the connection of electromotor
The anterior internal and external threads of rostral-caudal and electromotor carry out axially being connected and complete.During thin cylinder class parts assembly, little
Diameter (refer mainly to product diameter and the be less than 300mm) internal and external threads that the docking of product relies primarily in before and after's cylindrical part enter
Axially connection completes row, at present when docking screw thread, is to be cooperated using two people, and people's carrying head carries out threaded port para-position,
One people carries out screwed tight with the manual screwing tool being arranged in advance on head, but for heavier will many people the joining of head weight
Close or sling head using lifting appliance, then tighten screw thread manually.Screwing force size leans on operator to control entirely, tightens torsion mistake
Little, active force precise control cannot lead to thrust too small, and bolt leads to get loose because of vibration or cyclic loading.Pressure
Clamp force is excessive, is easily caused connecting elements fracture, deformation again, and moment size is uncontrollable, and product quality cannot Reliable guarantee；And
Operating difficultiess during artificial travelling workpiece para-position, high labor intensive, production efficiency is lowly it is impossible to meet requirements of mass production.
Pneumatically or electrically the twisting of existing screwing machine, a kind of single head being primarily directed on automobile assembly line or bull
Clamping apparatus, its head is frequently with tightening rifle manually or assistance mechanical arm fixation is tightened rifle and realized the securing members such as nut, bolt, screw
Fastening, but be not suitable for the thin cylinder class product of above-mentioned minor diameter.
Content of the invention
The purpose of the present invention is that provides a kind of automatic screwing device of screw-threaded coupling, to solve the above problems.
To achieve these goals, the technical solution used in the present invention is such that a kind of automatic screwing device of screw-threaded coupling,
Including base portion, uprights, ram portion,
Described base portion includes base and stopping means, described base is provided with line slideway a and joins with described line slideway a
The guide rail slide block a closing, described uprights are arranged on described guide rail slide block a, constitute x-axis；
Described uprights include column, screw rod transmission assembly, line slideway b, screw mandrel and cross sliding board, and described cross sliding board is installed
On the guide rail slide block b in column front, drive described screw mandrel so that cross sliding board is moved up and down along line slideway b, constitute y-axis；
Described ram portion includes ram, handrail and rotation clamping head, ram portion is provided with line slideway c and guide rail slide block c, directly
Line guide rail c is arranged on ram, and guide rail slide block c is arranged on cross sliding board, line slideway c the leading in cross sliding board on ram
Move on rail slide block c, constitute z-axis；Rotation clamping head is fixed on ram, moves with ram；
Described rotation clamping head includes chuck, claw, rotating shaft, transmission component, swivel joint and drive mechanism, and described chuck is fixed
In rotating shaft, rotating shaft is connected with transmission component, and described drive mechanism drives described transmission component to drive rotating shaft and chuck rotation, card
Pawl is arranged on chuck.
As preferred technical scheme: described chuck is air spider, claw is controlled to enter along chuck by air operated reversing valve
Conduct is to unclamping and pinching action.
As preferred technical scheme: described drive mechanism includes motor and the reductor being connected with described motor.
As preferred technical scheme: described transmission component is made up of belt wheel, belt, support member.
Screw-threaded coupling torque after described rotation clamping head clamping workpiece is controlled, the torsion according to required for actual tightening
Square value, by arranging electric current, the rotary speed parameter of motor, makes the torque value conversing reach the screw-down torque value being actually needed, when
Tighten screw thread torque value to when setting screw-down torque value, motor automatic stop rotates.The docking of this cylinder screw completes, air-actuated jaw
Open, rotation clamping head moves on to along x, y, z axle with ram does not interfere workpiece position.
The operational approach of the automatic screwing device of the application present invention is: this screw thread automatic screwing device is arranged on and need to dock
Near product, after the product needing docking is transported to specific bit, the long handle handrail on artificial pulling equipment will rotate clamping head
Portion carries out y with ram and to the adjustment of relative position, is alignd with tubular axis in air spider center to z, starts pneumatic
The unclamp control button of claw, claw opens, and rotation clamping head is moved at 300mm in workpiece along the x-axis direction, restarts
The clamping control knob of claw, claw clamps, and the big I of clamping force carries out size adjustment by source of the gas pressure regulator valve, clamps workpiece
Afterwards, start motor low speed rotation, first allow more than threaded engagement two button, then press the quick rotary knob of tightening machine, tightening machine will
Screw thread automatically screws and tightens.After the screw-down torque of current rear cylinder body reaches target torque, tightening machine rotation clamping head stops automatically
Machine, manually exits rotation clamping head to position of readiness, operating process terminates.
Compared with prior art, it is an advantage of the current invention that: the present invention solves to applying threaded thin cylinder
The automatic tightening problem of screw thread on shape product, and screw fastening clamp force is controlled, product assembly quality is controlled；Originally assembling needs many people
The collaborative operation tightened manually, only needs a people can complete the automatic tightening docking of screw thread, equipment operation is simple, saves people and saves now
Power, on small-sized cylinder class Product Assembly line two bay section screw threads docking when play clear superiority, production efficiency can improve 50% with
On, and product joint quality is controlled.
Brief description
Fig. 1 is the structural representation of inventive embodiments；
Fig. 2 is the structural representation rotating clamping head in Fig. 5.
Fig. 3 is base portion structural representation in Fig. 1
Fig. 4 is Fig. 1 central post portion structural representation
Fig. 5 is ram portion structural representation in Fig. 1
In figure: 1, bottom；2nd, uprights；3rd, ram portion；4th, chuck；5th, rotating shaft；6th, support；7th, transmission component；8th, reductor 9,
Motor；10th, swivel joint；11st, connecting seat；12nd, claw；
13rd, base；14th, line slideway a；15th, guide rail slide block a；16th, stopping means；17th, column；18th, line slideway b；19th, lead
Rail slide block b；20th, cross sliding board；21st, leading screw；22nd, crank；23rd, ram；24th, handrail；25th, rotate clamping head；26th, line slideway
c；27th, guide rail slide block c.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment:
Test specimen in the present embodiment is the cylinder class product of a diameter of 122mm, is always about 3 meters, needs the cylinder assembling to lead to before and after it
Cross axial thread to link into an integrated entity, cylinder is separately fixed on the bracing frame of docking platform in front and back, two cylinder assembling corresponding end are divided
Not Wei female thread and external screw thread, required screw-down torque 70n m.Realize the screw thread docking of product using this automatic screwing down apparatus.
Referring to Fig. 1, the automatic screwing device of the present embodiment, including base portion 1, uprights 2, ram portion 3；Base portion 1 is wrapped
Include the critical pieces such as base 13, line slideway a14, guide rail slide block a15 and stopping means 16, as shown in Figure 3；Uprights include standing
The critical pieces such as post 17, line slideway b18, guide rail slide block b19, cross sliding board 20, leading screw 21 and crank 22, as shown in Figure 4；Sliding
Occipitalia includes ram 23, handrail 24, rotation clamping head 25, the critical piece such as line slideway c26, guide rail slide block c27, as Fig. 5 institute
Show, wherein, the structure of rotation clamping head 25 is as shown in Fig. 2 including air spider 4, rotating shaft 5, support 6, transmission component 7, slowing down
Machine 8, motor 9, swivel joint 10, connecting seat 11, claw 12 etc., chuck 4 is fixed in rotating shaft 5, rotating shaft 5 and transmission component 7 phase
Even, reductor 8 is installed on the frame 6, and support 6 is arranged on connecting seat 11 top, drives reductor 8 to transmission component 7 by motor 9
Drive rotating shaft 5 and air spider 4 to rotate, claw 12 is arranged on air spider 4, claw 12 is controlled along card by air operated reversing valve
Disk 4 is made radially to unclamp and pinching action.
In assembling, uprights 2 are arranged on the guide rail slide block a15 of base portion 1, constitute x-axis；Cross sliding board 20 is arranged on
On the front guide rail slide block b19 of column 17, drive screw 21 makes cross sliding board 20 move up and down along line slideway b18, constitutes y
Axle；Line slideway c26 and guide rail slide block c27 is provided with ram portion 3, line slideway c26 is arranged on ram 23, guide rail slide block
C27 is arranged on cross sliding board 20, and the line slideway c26 on ram 23 moves on the guide rail slide block c27 of cross sliding board 20, structure
Become z-axis；Rotation clamping head 25 is fixed on ram 23, moves with ram 23；
Operational approach: this screw thread automatic screwing down apparatus is arranged near thin cylinder class product docking platform, when needs docking
After cylinder is transported to specified location, long handle handrail 24 on pulling equipment by rotate clamping head 25 with ram 23 carry out x to z to
The adjustment of relative position, y adjusts height to by drive screw 21 rotation, by air spider 4 center and engine axis
Alignment, starts the unclamp control button of air-actuated jaw 12, and claw 12 opens, and rotation clamping head is moved to work along the x-axis direction
At 300mm in part, restart the clamping control knob of claw 12, claw 12 clamps head, the big I of clamping force passes through source of the gas
Pressure regulator valve carries out pressure size adjustment, after clamping workpiece, starts motor 9 low speed rotation, first allows more than threaded engagement two button, then
Press the quick rotary knob of tightening device motor, screw thread is screwed and tightens by tightening machine automatically.When the screw thread assembling cylinder in front and back is twisted
After tight moment of torsion reaches target torque 70n m, the motor autostop of tightening machine rotation clamping head, start air-actuated jaw 12
Unclamp control button, after claw 12 opens, exits rotation clamping head to position of readiness, operating process terminates.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit this present invention, all in this present invention
Spirit and principle within any modification, equivalent and improvement of being made etc., should be included in this protection scope of the present invention
Within.
Claims (4)
1. a kind of automatic screwing device of screw-threaded coupling it is characterised in that: include base portion, uprights, ram portion,
Described base portion includes base and stopping means, described base is provided with line slideway a and joins with described line slideway a
The guide rail slide block a closing, described uprights are arranged on described guide rail slide block a, constitute x-axis；
Described uprights include column, screw rod transmission assembly, line slideway b, screw mandrel and cross sliding board, and described cross sliding board is installed
On the guide rail slide block b in column front, drive described screw mandrel so that cross sliding board is moved up and down along line slideway b, constitute y-axis；
Described ram portion includes ram, handrail and rotation clamping head, ram portion is provided with line slideway c and guide rail slide block c, directly
Line guide rail c is arranged on ram, and guide rail slide block c is arranged on cross sliding board, line slideway c the leading in cross sliding board on ram
Move on rail slide block c, constitute z-axis；Rotation clamping head is fixed on ram, moves with ram；
Described rotation clamping head includes chuck, claw, rotating shaft, transmission component, swivel joint and drive mechanism, and described chuck is fixed
In rotating shaft, rotating shaft is connected with transmission component, and described drive mechanism drives described transmission component to drive rotating shaft and chuck rotation, card
Pawl is arranged on chuck.
2. a kind of screw-threaded coupling according to claim 1 automatic screwing device it is characterised in that: described chuck be pneumatic
Chuck, controls claw to carry out radially unclamping and pinching action along chuck by air operated reversing valve.
3. a kind of screw-threaded coupling according to claim 1 automatic screwing device it is characterised in that: described drive mechanism bag
Include motor and the reductor being connected with described motor.
4. a kind of screw-threaded coupling according to claim 1 automatic screwing device it is characterised in that: described transmission component by
Belt wheel, belt, support member composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840027.0A CN106346236A (en) | 2016-09-22 | 2016-09-22 | Automatic tightening device for thread locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840027.0A CN106346236A (en) | 2016-09-22 | 2016-09-22 | Automatic tightening device for thread locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106346236A true CN106346236A (en) | 2017-01-25 |
Family
ID=57859113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610840027.0A Pending CN106346236A (en) | 2016-09-22 | 2016-09-22 | Automatic tightening device for thread locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106346236A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864056A (en) * | 2017-02-27 | 2017-06-20 | 湖南长城信息金融设备有限责任公司 | The mechanism of screw thread rotation automatic clamping and placing seal |
| CN107263081A (en) * | 2017-07-18 | 2017-10-20 | 河北工程大学 | One kind screws component, nut tightening device and expansion bolt assembly system |
| CN108360752A (en) * | 2018-01-23 | 2018-08-03 | 安徽海龙建筑工业有限公司 | A kind of grout sleeve reinforcing bar automatic screwing device |
| CN109894852A (en) * | 2019-03-29 | 2019-06-18 | 武汉科技大学 | A kind of hydraulic cylinder Earrings assembly device |
| CN110125669A (en) * | 2019-05-24 | 2019-08-16 | 北京万德·沃克科技发展有限公司 | Inventory cylinder mechanism |
| CN110883515A (en) * | 2019-12-04 | 2020-03-17 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Intelligent tightening assembly system based on crawler-type six-axis robot |
| CN112207326A (en) * | 2020-09-30 | 2021-01-12 | 上汽通用五菱汽车股份有限公司 | Machining tool adjusting device |
| CN112317543A (en) * | 2020-10-30 | 2021-02-05 | 江苏大学 | Screwing device for spiral steel plate bin forming machine disc spring group |
| CN113118745A (en) * | 2021-04-22 | 2021-07-16 | 河南科技大学 | Automatic screwing assembly device and assembly method for large-diameter threaded part |
| CN114043454A (en) * | 2021-10-28 | 2022-02-15 | 首都航天机械有限公司 | Truss manipulator for realizing material transfer by utilizing ram device and material transfer method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006037686B3 (en) * | 2006-08-11 | 2007-11-22 | Bernd-Georg Pietras | Sleeve screwing machine for screwing threaded sleeve on pipe, has sleeve screwing drive, which is connected with two parallel vertical pendulum supports in connection with swinging levers of torsion swing |
| US20110293169A1 (en) * | 2010-06-01 | 2011-12-01 | Tenaris Connections Limited | Systems and methods for measurement of geometrical parameters of threaded joints |
| CN202106194U (en) * | 2011-06-10 | 2012-01-11 | 山东法因数控机械股份有限公司 | Tightening machine for head end screw cap of piston rod of oil cylinder |
| CN202399008U (en) * | 2011-11-30 | 2012-08-29 | 广东联塑科技实业有限公司 | Automatic assembly machine for threaded connector |
| CN203221335U (en) * | 2013-05-17 | 2013-10-02 | 浙江机电职业技术学院 | Nut screwing robot |
| CN204382271U (en) * | 2014-12-30 | 2015-06-10 | 深圳大宇精雕科技有限公司 | Manipulator |
| CN204771512U (en) * | 2015-06-23 | 2015-11-18 | 扬州市神力吊具制造有限公司 | Aerogenerator's base automatic installation device |
| CN205022294U (en) * | 2015-08-14 | 2016-02-10 | 天津颐事达科技有限公司 | A full -automatic positioning bolt screws up robot for tire dismouting |
| CN105345445A (en) * | 2015-12-04 | 2016-02-24 | 新疆通奥油田技术服务有限公司 | Assembling and disassembling device for petroleum pipe thread protector |
| CN105945563A (en) * | 2016-06-24 | 2016-09-21 | 苏州威诺尔检测设备有限公司 | Most novel tightening device for assembly body of tightening machine |
-
2016
- 2016-09-22 CN CN201610840027.0A patent/CN106346236A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006037686B3 (en) * | 2006-08-11 | 2007-11-22 | Bernd-Georg Pietras | Sleeve screwing machine for screwing threaded sleeve on pipe, has sleeve screwing drive, which is connected with two parallel vertical pendulum supports in connection with swinging levers of torsion swing |
| US20110293169A1 (en) * | 2010-06-01 | 2011-12-01 | Tenaris Connections Limited | Systems and methods for measurement of geometrical parameters of threaded joints |
| CN202106194U (en) * | 2011-06-10 | 2012-01-11 | 山东法因数控机械股份有限公司 | Tightening machine for head end screw cap of piston rod of oil cylinder |
| CN202399008U (en) * | 2011-11-30 | 2012-08-29 | 广东联塑科技实业有限公司 | Automatic assembly machine for threaded connector |
| CN203221335U (en) * | 2013-05-17 | 2013-10-02 | 浙江机电职业技术学院 | Nut screwing robot |
| CN204382271U (en) * | 2014-12-30 | 2015-06-10 | 深圳大宇精雕科技有限公司 | Manipulator |
| CN204771512U (en) * | 2015-06-23 | 2015-11-18 | 扬州市神力吊具制造有限公司 | Aerogenerator's base automatic installation device |
| CN205022294U (en) * | 2015-08-14 | 2016-02-10 | 天津颐事达科技有限公司 | A full -automatic positioning bolt screws up robot for tire dismouting |
| CN105345445A (en) * | 2015-12-04 | 2016-02-24 | 新疆通奥油田技术服务有限公司 | Assembling and disassembling device for petroleum pipe thread protector |
| CN105945563A (en) * | 2016-06-24 | 2016-09-21 | 苏州威诺尔检测设备有限公司 | Most novel tightening device for assembly body of tightening machine |
Non-Patent Citations (1)
| Title |
|---|
| 王保军: "《工业机器人基础》", 31 October 2015, 华中科技大学出版社 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864056A (en) * | 2017-02-27 | 2017-06-20 | 湖南长城信息金融设备有限责任公司 | The mechanism of screw thread rotation automatic clamping and placing seal |
| CN107263081A (en) * | 2017-07-18 | 2017-10-20 | 河北工程大学 | One kind screws component, nut tightening device and expansion bolt assembly system |
| CN107263081B (en) * | 2017-07-18 | 2023-08-01 | 河北工程大学 | Tightening assembly, nut tightening device and expansion bolt assembly system |
| CN108360752A (en) * | 2018-01-23 | 2018-08-03 | 安徽海龙建筑工业有限公司 | A kind of grout sleeve reinforcing bar automatic screwing device |
| CN109894852A (en) * | 2019-03-29 | 2019-06-18 | 武汉科技大学 | A kind of hydraulic cylinder Earrings assembly device |
| CN110125669A (en) * | 2019-05-24 | 2019-08-16 | 北京万德·沃克科技发展有限公司 | Inventory cylinder mechanism |
| CN110883515A (en) * | 2019-12-04 | 2020-03-17 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Intelligent tightening assembly system based on crawler-type six-axis robot |
| CN112207326A (en) * | 2020-09-30 | 2021-01-12 | 上汽通用五菱汽车股份有限公司 | Machining tool adjusting device |
| CN112317543A (en) * | 2020-10-30 | 2021-02-05 | 江苏大学 | Screwing device for spiral steel plate bin forming machine disc spring group |
| CN113118745A (en) * | 2021-04-22 | 2021-07-16 | 河南科技大学 | Automatic screwing assembly device and assembly method for large-diameter threaded part |
| CN113118745B (en) * | 2021-04-22 | 2022-03-22 | 河南科技大学 | Automatic screwing assembly device and assembly method for large-diameter threaded part |
| CN114043454A (en) * | 2021-10-28 | 2022-02-15 | 首都航天机械有限公司 | Truss manipulator for realizing material transfer by utilizing ram device and material transfer method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106346236A (en) | Automatic tightening device for thread locking | |
| CN100591468C (en) | Automatic error-proof external connection assembly device and assembly method for automobile shock absorber | |
| CN107414698A (en) | A kind of longaxones parts fixed clamp positioner | |
| CN104908027A (en) | Wheel hub workblank feeding and discharging pneumatic balanced power-assisted manipulator | |
| CN103522048B (en) | A kind of workpiece gland changer | |
| CN103252640A (en) | Semi-automatic set screw assembling machine | |
| CN106760225A (en) | A kind of straight screw sleeve connection device and its application method | |
| CN201304559Y (en) | Automatic mistake proofing outer connection assembling device of vibration damper | |
| CN110039471B (en) | Integrated assembly quality of planet speed change mechanism | |
| CN106239118B (en) | Pulling shaft tightening device | |
| CN117226809B (en) | Large-torque no-counter-force screw operation robot | |
| CN206028534U (en) | Rivet with clamping apparatus soon | |
| CN209491508U (en) | A kind of groove pipe fitting kludge | |
| CN204030881U (en) | Motor stator press-fits special alignment jig | |
| CN209175771U (en) | A kind of positive/negative plate handgrip | |
| CN205414888U (en) | Bolt tightening machine | |
| CN215967186U (en) | Turnover welding tool | |
| CN206010372U (en) | crankcase automatic locking screw machine | |
| CN210442014U (en) | High-strength bolt axial force and torque composite testing machine | |
| CN209578751U (en) | A kind of multiaxis twists bolt device automatically | |
| CN212169540U (en) | Device convenient to vaulting pole is disassembled and is assembled | |
| CN210878474U (en) | Nut tightening device capable of achieving self-positioning | |
| CN206578367U (en) | Screw mandrel oil cylinder centering clamping device | |
| CN111408930A (en) | Bolt tightening device and bolt tightening vehicle | |
| CN208438234U (en) | High-precision positioning fixture is used in a kind of processing of building materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 610199 Sichuan Chengdu economic and Technological Development Zone (Longquanyi District) 189 Applicant after: Sichuan spaceflight Long March Equipment Manufacturing Co., Ltd. Address before: 610000 No. 189, Yi Du Avenue, Longquanyi District, Chengdu City, Chengdu, Sichuan. Applicant before: Changzheng Machinery Factory, China Astronautics Science and Technology Group Co |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |