CN207751393U - Fireworks inner tank effect part robot automatic assembly line - Google Patents
Fireworks inner tank effect part robot automatic assembly line Download PDFInfo
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- CN207751393U CN207751393U CN201721840322.2U CN201721840322U CN207751393U CN 207751393 U CN207751393 U CN 207751393U CN 201721840322 U CN201721840322 U CN 201721840322U CN 207751393 U CN207751393 U CN 207751393U
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- unpacking propellant
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Abstract
The utility model belongs to a kind of fireworks inner tank effect part robot automatic assembly line, including fireworks inner tank robot charge device（8）, it is characterised in that in fireworks inner tank robot charge device（8）Left side be respectively provided with Liang Zhufentong mechanisms（1）With bright pearl overhead chain conveyer structure（2）Connection, bright pearl overhead chain conveyer structure（2）With bright pearl automatic feed mechanism（3）Connection；Unpacking propellant quantifies mixing machine structure（4）With unpacking propellant conveying mechanism（5）Connection, unpacking propellant conveying mechanism（5）With unpacking propellant automatic feed mechanism（6）Connection.The invention is solved divides the quantitatively mixed medicine of cylinder, conveying, feeding and unpacking propellant, conveying, the whole of each link of feeding to realize automation bright pearl in fireworks inner tank effect part robot production line, ensure the safety of the personnel in fireworks production, production environment is changed, production efficiency is improved.
Description
Technical field
The utility model belongs to fireworks production line, more particularly to a kind of fireworks inner tank effect part robot automatic assembly line.
Background technology
Fireworks production line China has more than 1400 years history, annual value of production up to 600 trillion yuans,
Always a kind of labor-intensive production, each link are manual operation, and labor intensity is big, low production efficiency, special
It is not that safety is poor, the outmoded backwardness of equipment, explosion accident has generation more, very painful once occurring, and loss is huge, and consequence is not
It may imagine.
There are 3000 Duo Jia fireworks manufacturing enterprises in China, due to backward in technique, safety in production, production efficiency and product quality
It cannot be satisfied domestic and international market needs.Although current someone is researching and developing this production equipment, and has applied for patent, such as patent Shen
It number " please be used for " fireworks inner tank robot charge device and the charge process " of 201710056252.X, 201710056245.X
In sawdust or seal medicine metering, distributing, packaging mechanism " etc. patents of invention, solve it is many it is backward in technique, safety is poor, production efficiency
Low problem.But divide the quantitatively mixed medicine of box, conveying, feeding and unpacking propellant, conveying feeding link the degree of automation low in bright pearl, also
It need to manually participate in, influence automatization level, still have insecurity, low production efficiency.
Invention content
It is an object of the invention to overcome above-mentioned technical deficiency, one kind is provided in fireworks inner tank effect part robot production line
In divide the quantitatively mixed medicine of cylinder, conveying, feeding and unpacking propellant, conveying, each link of feeding to bright pearl, all realize automation, it is ensured that people
The high fireworks inner tank effect part robot automatic assembly line of work safety, production efficiency and process.
The utility model technical scheme applied to solve the technical problem is：A kind of fireworks inner tank effect part robot is automatic
Production line, including the center of fireworks inner tank robot charge device are equipped with robotic workstation, are equipped in robotic workstation
Six axis handling-loading robot of six axis powder charge robots of PR10A and PR10A；Six axis powder charge robots of PR10A and bright pearl metering device and
Unpacking propellant metering device connects work；Six axis handling-loading robots of PR10A are connect with sawdust metering device and sealing medicine metering device
Work；It is filled in the right side of fireworks inner tank robot charge device is equipped with sawdust elevating hopper and fireworks inner tank robot charge device
Sawdust metering device connection, sealing medicine elevating hopper with seal medicine metering device be connected to；Fireworks inner tank robot charge device
Upside is equipped with empty cake feeder and is connect with robotic workstation；The downside of fireworks inner tank robot charge device is conveyed equipped with herbal cake
Machine is connect with sealing medicine metering device；It is characterized in that being respectively provided with bright pearl point on the left of fireworks inner tank robot charge device
Cylinder mechanism is connect with bright pearl overhead chain conveyer structure, and bright pearl overhead chain conveyer structure is connect with bright pearl automatic feed mechanism；Unpacking propellant is fixed
Amount mixing machine structure is connect with unpacking propellant conveying mechanism, and unpacking propellant conveying mechanism is connect with unpacking propellant automatic feed mechanism.
The bright pearl automatic feed mechanism includes bottom end fixed seat, and in bottom end, fixed seat is fitted with jacking cylinder and material
Struggle against fixed frame, and using overturning receiving hopper seat dress in the left end of hopper fixed frame, there are two overturn receiving hopper；The piston rod of jacking cylinder
A guiding fixed seat bottom plate is fixed in end, and in the rodless cylinder that is equipped with for being oriented to fixed seat substrate level, rodless cylinder is left
End is connect with rotary cylinder mounting plate, and rotary cylinder mounting plate upper end is equipped with rotary cylinder, and cylindrantherae support is fixed on rotary cylinder
Plate, there are two cylindrantheraes, the both sides of each cylindrantherae, and corner lower air cylinder is housed for dress on cylindrantherae supporting plate；It is being oriented to the upper of fixed seat bottom plate
Lower both ends are fixed with guide rail one with one fixed seat of guide rail, and guide rail one is slidably connected with cylindrantherae supporting plate；It is being oriented to fixed seat bottom plate
Lower part is fixed with guide rail two with two fixed seat of guide rail, and guide rail two is slidably connected with the rotary cylinder mounting plate equipped with rotary cylinder；
Cylinder flange is between two corner lower air cylinders.
The unpacking propellant automatic feed mechanism is included in below the upper beam of the guide fixing bracket of two doorframe shapes solid
Fixed two cantilevered tracks, are equipped with two groups of unpacking propellant blanking components below the left end of track and cantilever side；Unpacking propellant blanking
Component is connect across fixed seat with track with axis pin, and a T-shaped beam is fixed below fixed seat, spiral shell is used below T-shaped beam both sides
Bolt is symmetrically fixed with drug bucket, and drug bucket lower end is fixed with drug bucket flange with bolt, and drug bucket flange center hole is equipped with moving valve, activity
Valve lower end is connected with moving valve connecting plate, fixes two guide rods in the middle part of moving valve connecting plate, guide rod is actively through guiding
In two built-in guide sleeves of bar guide plate mider hole, the both ends of guide rod guide plate and two drug bucket flanged joints；Two are led
It is connected to bar upper end guide rod connecting plate；There are one springs for dress between guide rod connecting plate center and T-shaped beam.
The utility model has the beneficial effects that：The invention solves in fireworks inner tank effect part robot production line to bright
Pearl divides the quantitatively mixed medicine of cylinder, conveying, feeding and unpacking propellant, conveying, the whole of each link of feeding to realize automation, it is ensured that in fireworks
The safety of personnel, changes production environment in production, improves production efficiency.
Description of the drawings
Below in conjunction with attached drawing, illustrated with embodiment.
Fig. 1 is the flow diagram of fireworks inner tank effect part robot automatic assembly line；
Fig. 2 is the front view of bright pearl automatic feed mechanism in Fig. 1；
Fig. 3 is the vertical view of Fig. 2；
Fig. 4 is the right side view of Fig. 2；
Fig. 5 is the front view of the unpacking propellant automatic feed mechanism in Fig. 1；
Fig. 6 is the vertical view in Fig. 5；
Fig. 7 is the right side view in Fig. 5；
Fig. 8 is the unpacking propellant blanking component front view in Fig. 5.
In figure：1- Liang Zhufentong mechanisms；The bright pearl overhead chain conveyer structures of 2-；The bright pearl automatic feed mechanisms of 3-；3-1- overturnings connect
Hopper；3-2- cylindrantheraes；3-3- corner lower air cylinders；3-4- rotary cylinders；3-5- rotary cylinder mounting plates；3-6- rodless cylinders；
3-7- jacking cylinders；3-8- hopper fixed frames；The bottom ends 3-9- fixed seat；3-10- is oriented to fixed seat bottom plate；3-11- cylindrantherae supporting plates；
3-12- guide rails one；One fixed seat of 3-13- guide rails；Two fixed seat of 3-14- guide rails；3-15- guide rails two；3-16- cylinder flanges；3-
17- overturns receiving hopper seat；4- unpacking propellants quantify mixing machine structure；5- unpacking propellant conveying mechanisms；6- unpacking propellant automatic feed mechanisms；
6-1- guide fixing brackets；6-2- tracks；6-3- unpacking propellant blanking components；6-3-1- axis pins；6-3-2- fixed seats；6-3-3-T
Tee beam；6-3-4- drug buckets；6-3-5- drug bucket flanges；6-3-6- moving valves；6-3-7- moving valve connecting plates；6-3-8- is oriented to
Bar；6-3-9- guide rod guide plates；6-3-10- springs；6-3-11- guide rod connecting plates；6-3-12- guide sleeves；On 7- sky cakes
Material machine；8- fireworks inner tanks robot charge device；Six axis powder charge robots of 8-1-PR10A；Six axis of 8-2-PR10A loads machine
People；The bright pearl metering devices of 8-3-；8-4- unpacking propellant metering devices；8-5- sawdust metering devices；8-6- seals medicine metering device；8-
7- robotic workstations；9- sawdust elevating hoppers；10- seals medicine elevating hopper；11- herbal cake conveyers.
Specific implementation mode
Embodiment, with reference to attached drawing, a kind of fireworks inner tank effect part robot automatic assembly line, including fireworks inner tank robot
The center of charge device 8 is equipped with robotic workstation 8-7, and six axis powder charge robots of PR10A are housed on robotic workstation 8-7
Six axis handling-loading robot 8-2 of 8-1 and PR10A；Six axis powder charge robot 8-1 of PR10A and bright pearl metering device 8-3 and unpacking propellant meter
Measure device 8-4 connection work；Six axis handling-loading robot 8-2 of PR10A are connect with sawdust metering device 8-5 and sealing medicine metering device
Work；On the right side of fireworks inner tank robot charge device 8 equipped with sawdust elevating hopper 9 and fireworks inner tank robot charge device 8
The sawdust metering device 8-5 connections of middle dress, sealing medicine elevating hopper 10 are connected to sealing medicine metering device 8-6；Fireworks inner tank machine
The upside of people's charge device 8 is equipped with empty cake feeder 7 and is connect with robotic workstation 8-7；Fireworks inner tank robot charge device 8
Downside equipped with herbal cake conveyer 11 with seal medicine metering device 8-6 connect；It is characterized in that in the powder charge of fireworks inner tank robot
The left side of equipment 8 is respectively provided with sky cake feeder 7 and is connect with bright pearl overhead chain conveyer structure 2, bright pearl overhead chain conveyer structure 2 and bright pearl
Automatic feed mechanism 3 connects；Unpacking propellant quantifies mixing machine structure 4 and is connect with unpacking propellant conveying mechanism 5, unpacking propellant conveying mechanism 5 with
Unpacking propellant automatic feed mechanism 6 connects.
The bright pearl automatic feed mechanism 3（See attached drawing 2,3,4）Including bottom end fixed seat 3-9, in bottom end fixed seat 3-9
It is fitted with jacking cylinder 3-7 and hopper fixed frame 3-8, in the left end overturning receiving hopper seat 3-17 dresses of hopper fixed frame 3-8
There are two overturning receiving hopper 3-1；The piston rod end of jacking cylinder 3-7 fixes a guiding fixed seat bottom plate 3-10, is being oriented to
Fixed seat bottom plate 3-10 upper horizontals are equipped with rodless cylinder 3-6, and rodless cylinder 3-6 left ends connect with rotary cylinder mounting plate 3-5
It connects, the upper ends rotary cylinder mounting plate 3-5 are equipped with rotary cylinder 3-4, and cylindrantherae supporting plate 3-11, cylindrantherae are fixed on rotary cylinder 3-4
There are two the both sides of cylindrantherae 3-2, each cylindrantherae 3-2, and corner lower air cylinder 3-3 is housed for dress on supporting plate 3-11；It is being oriented to fixed seat bottom
The upper and lower ends of plate 3-10 are fixed with one 3-12 of guide rail with one fixed seat 3-13 of guide rail, and one 3-12 of guide rail is slided with cylindrantherae supporting plate 3-11
Dynamic connection；In the lower part for being oriented to fixed seat bottom plate 3-10 two 3-15 of guide rail, two 3- of guide rail are fixed with two fixed seat 3-14 of guide rail
15 are slidably connected with the rotary cylinder mounting plate 3-5 equipped with rotary cylinder 3-4；Cylinder flange 3-16 is mounted under two corners and calms the anger
Between cylinder 3-3.
The unpacking propellant automatic feed mechanism 6,（See attached drawing 5,6,7）, it is included in the guide rail fixation branch of two doorframe shapes
Two cantilevered track 6-2 are fixed below the upper beam of frame 6-1, and two groups are equipped with below the left end of track 6-2 and cantilever side
Unpacking propellant blanking component 6-3；Unpacking propellant blanking component 6-3 is connect across fixed seat 6-3-2 with track 6-2 with axis pin 6-3-1, Gu
It fixes a T-shaped beam 6-3-3 below reservation 6-3-2, drug bucket is symmetrically fixed with bolt below the both sides T-shaped beam 6-3-3
6-3-4, the lower ends drug bucket 6-3-4 are fixed with drug bucket flange 6-3-5 with bolt, and drug bucket flange 6-3-5 centre bores are equipped with moving valve 6-
3-6, the moving valve connecting plate 6-3-7 connections of the lower ends moving valve 6-3-6, moving valve connecting plate 6-3-7 fix two guiding in middle part
Bar 6-3-8, guide rod 6-3-8 are actively through in two built-in guide sleeve 6-3-12 of guide rod guide plate 6-3-9 mider holes,
The both ends of guide rod guide plate 6-3-9 are connect with two drug bucket flange 6-3-5；Two upper ends guide rod 6-3-8 are connected with guide rod
Fishplate bar 6-3-11 connections；There are one spring 6-3-10 for dress between the guide rod centers connecting plate 6-3-11 and T-shaped beam 6-3-3.Bullet
Moving valve 6-3-6 is automatically closed by spring force in the effect of spring 6-3-10；When drug bucket 6-3-4 is attached to the medicine of constant weight,
Moving valve 6-3-6 is automatically opened by the dead weight of medicine, and medicine quantitatively flows out, and spring 6-3-10 is stretched, after quantitative outflow, in spring 6-
It, will be movable by guide rod connecting plate 6-3-11, guide rod 6-3-8 and moving valve connecting plate 6-3-7 under the elastic force effect of 3-10
Valve 6-3-6 is pulled upwardly closing.
The process of this fireworks inner tank effect part robot automatic assembly line is to take following steps：
A, the fireworks sky cake of manual manufacture is attached on sky cake feeder 7 first, is transported to the powder charge of fireworks inner tank robot
It is spare on robotic workstation 8-7 in equipment 8；Sawdust is manually attached in sawdust elevating hopper 9, sawdust metering dress is automatically flowed into
It sets spare in 8-5；Sealing medicine is attached in sealing medicine elevating hopper 10, is automatically flowed into spare in sealing medicine metering device 8-6；With bright
Bright pearl is distributed into 12 cylindrantherae 3-2 by Zhu Fentong mechanisms 1, and a cylindrantherae 3-2 fills 2745 grams, refills bright pearl suspension conveying
It in mechanism 2, and is transported in bright pearl automatic feed mechanism 3, on cylindrantherae supporting plate 3-11；Start bright pearl automatic feed mechanism 3
Control system of calming the anger, the bright pearl in cylindrantherae 3-2 is passed through and overturns receiving hopper 3-1 and is packed into fireworks inner tank robot charge device 8
In bright pearl metering device 8-3 in it is spare；By 10 parts of 50 parts of potassium hyperchlorate, 20 parts of pearl powder, 20 parts of alloyed powder and sulphur（Specifically
Proportioning is depending on product variety）It is attached to unpacking propellant and quantifies and mixed in the mixing vessel of mixing machine structure 4, filled after mixing
To unpacking propellant conveying mechanism 5, unpacking propellant automatic feed mechanism 6 is conveyed to by unpacking propellant conveying mechanism 5, by mixed unpacking propellant
It is fitted into drug bucket 6-3-4；When the weight of unpacking propellant is more than the elastic force of spring 6-3-10, spring 6-3-10 is elongated, in Kai Bao
Moving valve 6-3-6 is opened under the gravity of medicine, unpacking propellant is automatically loaded spare in unpacking propellant metering device 8-4；
B, it after the completion of step a work in every, is started to work by fireworks inner tank robot charge device 8：First by PR10A
The manipulator of six axis powder charge robot 8-1 captures the empty cake sent by empty cake feeder 7, and snatch is to bright pearl metering device 8-3's
Lower part measures into empty cake and fills bright pearl；Empty cake is moved on into the lower parts unpacking propellant metering device 8-4 after dress, through metering after dress mixing
Empty cake is placed on robotic workstation 8-7 by unpacking propellant after installing；Later by the machinery of six axis handling-loading robot 8-2 of PR10A
Hand crawl installed bright pearl, unpacking propellant empty cake, snatch to the lower part of sawdust metering device 8-5, into empty cake metering fill sawdust；
Empty cake is moved to the lower parts sealing medicine metering device 8-6, dress sealing medicine after dress；As finished product herbal cake；
C, finished product herbal cake that step b is installed to sealing medicine is transported to finished product discharge zone by herbal cake conveyer 11, every 40
Finished product herbal cake electricity consumption bottle vehicle is transported in fireworks inner tank effect part temporary library, stands 24 hours medicines to be sealed at normal temperatures（Also known as
Solid flashing composition）After solidification, enter back into outer barrel filling flow.
The course of work of the production line is to use electrical control gear, is controlled automatically to each link by software program
System operates starting switch on operation panel, easy to operate.
Claims (3)
1. a kind of fireworks inner tank effect part robot automatic assembly line, including fireworks inner tank robot charge device（8）Center
Equipped with robotic workstation（8-7）, in robotic workstation（8-7）It is upper that six axis powder charge robots of PR10A are housed（8-1）With
Six axis handling-loading robots of PR10A（8-2）；Six axis powder charge robots of PR10A（8-1）With bright pearl metering device（8-3）And unpacking propellant
Metering device（8-4）Connect work；Six axis handling-loading robots of PR10A（8-2）With sawdust metering device（8-5）With sealing medicine metering
Device connects work；In fireworks inner tank robot charge device（8）Right side be equipped with sawdust elevating hopper（9）With fireworks inner tank machine
People's charge device（8）The sawdust metering device of middle dress（8-5）Medicine elevating hopper is sealed in connection（10）With sealing medicine metering device（8-
6）Connection；Fireworks inner tank robot charge device（8）Upside empty cake feeder is housed（7）With robotic workstation（8-7）Even
It connects；Fireworks inner tank robot charge device（8）Downside be equipped with herbal cake conveyer（11）With sealing medicine metering device（8-6）Even
It connects；It is characterized in that in fireworks inner tank robot charge device（8）Left side be respectively provided with Liang Zhufentong mechanisms（1）It is outstanding with bright pearl
Hang conveying mechanism（2）Connection, bright pearl overhead chain conveyer structure（2）With bright pearl automatic feed mechanism（3）Connection；Unpacking propellant quantitatively mixes medicine
Mechanism（4）With unpacking propellant conveying mechanism（5）Connection, unpacking propellant conveying mechanism（5）With unpacking propellant automatic feed mechanism（6）Connection.
2. fireworks inner tank effect part according to claim 1 robot automatic assembly line, it is characterised in that on bright pearl is automatic
Expect mechanism（3）Including bottom end fixed seat（3-9）, in bottom end fixed seat（3-9）It is fitted with jacking cylinder（3-7）It is fixed with hopper
Frame（3-8）, in hopper fixed frame（3-8）Left end with overturning receiving hopper seat（3-17）There are two overturn receiving hopper for dress（3-1）；Top
Rise cylinder（3-7）Piston rod end fix one guiding fixed seat bottom plate（3-10）, it is being oriented to fixed seat bottom plate（3-10）On
Face level is equipped with rodless cylinder（3-6）, rodless cylinder（3-6）Left end and rotary cylinder mounting plate（3-5）Connection, rotary cylinder
Mounting plate（3-5）Upper end is equipped with rotary cylinder（3-4）, rotary cylinder（3-4）On be fixed with cylindrantherae supporting plate（3-11）, cylindrantherae supporting plate
（3-11）There are two cylindrantheraes for upper dress（3-2）, each cylindrantherae（3-2）Both sides be equipped with corner lower air cylinder（3-3）；It is fixed being oriented to
Seat bottom plate（3-10）Upper and lower ends one fixed seat of guide rail（3-13）It is fixed with guide rail one（3-12）, guide rail one（3-12）With medicine
Cylinder supporting plate（3-11）It is slidably connected；It is being oriented to fixed seat bottom plate（3-10）Lower part two fixed seat of guide rail（3-14）It is fixed with and leads
Rail two（3-15）, guide rail two（3-15）With equipped with rotary cylinder（3-4）Rotary cylinder mounting plate（3-5）It is slidably connected；Cylinder
Flange（3-16）Mounted in two corner lower air cylinders（3-3）Between.
3. fireworks inner tank effect part according to claim 1 robot automatic assembly line, it is characterised in that unpacking propellant is automatic
Feed mechanism（6）, it is included in the guide fixing bracket of two doorframe shapes（6-1）Upper beam below fix two cantilevered rails
Road（6-2）, in track（6-2）Left end and cantilever side below be equipped with two groups of unpacking propellant blanking components（6-3）；Unpacking propellant blanking group
Part（6-3）Use axis pin（6-3-1）Across fixed seat（6-3-2）With track（6-2）Connection, fixed seat（6-3-2）One is fixed below
A T-shaped beam（6-3-3）, T-shaped beam（6-3-3）Below both sides drug bucket is symmetrically fixed with bolt（6-3-4）, drug bucket（6-
3-4）Lower end is fixed with drug bucket flange with bolt（6-3-5）, drug bucket flange（6-3-5）Centre bore is equipped with moving valve（6-3-6）, living
Dynamic valve（6-3-6）Lower end moving valve connecting plate（6-3-7）Connection, moving valve connecting plate（6-3-7）Two guiding are fixed at middle part
Bar（6-3-8）, guide rod（6-3-8）Actively it is through guide rod guide plate（6-3-9）Two built-in guide sleeves of mider hole（6-
3-12）In, guide rod guide plate（6-3-9）Both ends and two drug bucket flanges（6-3-5）Connection；Two guide rods（6-3-8）
Upper end guide rod connecting plate（6-3-11）Connection；Guide rod connecting plate（6-3-11）Center and T-shaped beam（6-3-3）Between fill
There are one springs（6-3-10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721840322.2U CN207751393U (en) | 2017-12-26 | 2017-12-26 | Fireworks inner tank effect part robot automatic assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721840322.2U CN207751393U (en) | 2017-12-26 | 2017-12-26 | Fireworks inner tank effect part robot automatic assembly line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207751393U true CN207751393U (en) | 2018-08-21 |
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ID=63149433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721840322.2U Active CN207751393U (en) | 2017-12-26 | 2017-12-26 | Fireworks inner tank effect part robot automatic assembly line |
Country Status (1)
| Country | Link |
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| CN (1) | CN207751393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731551A (en) * | 2017-12-26 | 2018-11-02 | 浏阳惠众智通科技有限公司 | Fireworks inner tank effect part robot automatic assembly line and process |
-
2017
- 2017-12-26 CN CN201721840322.2U patent/CN207751393U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731551A (en) * | 2017-12-26 | 2018-11-02 | 浏阳惠众智通科技有限公司 | Fireworks inner tank effect part robot automatic assembly line and process |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200306 Address after: 100176 building 15, yard 8, Liangshuihe 2nd Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: Beijing Huizhong inersmat robot Polytron Technologies Inc Address before: 410300 Liuhe market, Liuyang, Changsha, Hunan, 3 Building 3 unit 502 Patentee before: Liuyang Huizhong Zhitong Technology Co. Ltd. |
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| TR01 | Transfer of patent right |