CN109847981B - Automatic paint spraying device for automobile production - Google Patents

Automatic paint spraying device for automobile production Download PDF

Info

Publication number
CN109847981B
CN109847981B CN201910273867.7A CN201910273867A CN109847981B CN 109847981 B CN109847981 B CN 109847981B CN 201910273867 A CN201910273867 A CN 201910273867A CN 109847981 B CN109847981 B CN 109847981B
Authority
CN
China
Prior art keywords
fixedly connected
paint spraying
base
spraying device
mounting plate
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.)
Expired - Fee Related
Application number
CN201910273867.7A
Other languages
Chinese (zh)
Other versions
CN109847981A (en
Inventor
邢二江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengda Transmission Yucheng Co ltd
Original Assignee
Zhejiang Sanbao Intellectual Property Service Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Sanbao Intellectual Property Service Co Ltd filed Critical Zhejiang Sanbao Intellectual Property Service Co Ltd
Priority to CN201910273867.7A priority Critical patent/CN109847981B/en
Publication of CN109847981A publication Critical patent/CN109847981A/en
Application granted granted Critical
Publication of CN109847981B publication Critical patent/CN109847981B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Spray Control Apparatus (AREA)

Abstract

The invention relates to the technical field of paint spraying devices, and discloses an automatic paint spraying device for automobile production, which comprises a base, wherein a moving groove is formed in the middle of the upper surface of the base, two symmetrical rail grooves are formed in opposite side walls of the moving groove, a moving trolley is connected inside the two rail grooves in a rolling mode and comprises a base, a plurality of supporting columns are fixedly connected to the upper surface of the base, the tops of the supporting columns are fixedly connected with a car shell, a top paint spraying device and a side paint spraying device are arranged on the upper surface of the base, the top paint spraying device comprises two first electric push rods symmetrically arranged on two sides of the moving groove, the tops of the two first electric push rods are fixedly connected with a first mounting plate, and the side paint spraying device comprises two supporting seats symmetrically arranged on two sides of the moving groove. This automatic paint spraying apparatus is used in automobile production can come the angle of adjustment shower nozzle according to the car shell of different specifications to and the distance between shower nozzle and the car shell.

Description

Automatic paint spraying device for automobile production
Technical Field
The invention relates to the technical field of paint spraying devices, in particular to an automatic paint spraying device for automobile production.
Background
Automotive, powered, non-rail-borne vehicles with 4 or more than 4 wheels, mainly used for: carrying personnel and/or goods; a vehicle for towing persons and/or goods. The automobile is formed by assembling tens of thousands of parts, wherein the automobile shell can reflect the appearance of the automobile most, the automobile shell is formed by welding a plurality of metal plates or stamping parts, and a paint spraying process is arranged in the production process of the automobile shell in order to realize good appearance and anti-corrosion effect. At the in-process that sprays paint, need use paint spraying apparatus, most of mills can all adopt automatic technique to realize automatic spraying paint at present, but because the distance of shower nozzle apart from the car shell is fixed when automatic spraying paint, therefore inconvenient adjustment effect of spraying paint, and this paint spraying apparatus only is applicable to a motorcycle type, can not adjust according to the car shell of different specifications, and application scope receives the restriction.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic paint spraying device for automobile production, which has the advantages of adjusting the angle of a spray head and the distance between the spray head and an automobile shell according to automobile shells with different specifications, and solves the problems that in the prior art, the distance between the spray head and the automobile shell is fixed during automatic paint spraying, so that the paint spraying effect is inconvenient to adjust, and the paint spraying device is only suitable for one automobile type and cannot be adjusted according to the automobile shells with different specifications.
(II) technical scheme
In order to realize the purposes of adjusting the angle of the spray head and the distance between the spray head and the vehicle shell according to the vehicle shells with different specifications, the invention provides the following technical scheme: an automatic paint spraying device for automobile production comprises a base, wherein a moving groove is formed in the middle of the upper surface of the base, two symmetrical rail grooves are formed in opposite side walls of the moving groove, a moving trolley is connected to the insides of the two rail grooves in a rolling manner, the moving trolley comprises a base, a plurality of supporting columns are fixedly connected to the upper surface of the base, a vehicle shell is fixedly connected to the tops of the supporting columns, a top paint spraying device and a side paint spraying device are arranged on the upper surface of the base, the top paint spraying device comprises two first electric push rods symmetrically arranged on two sides of the moving groove, a first mounting plate is fixedly connected to the tops of the two first electric push rods, the side paint spraying device comprises two supporting seats symmetrically arranged on two sides of the moving groove, and a second electric push rod is fixedly connected to the two supporting seats, the utility model discloses a car shell, including base, first electric putter, second electric putter, first mounting panel, equal fixedly connected with spray head on first mounting panel and the second mounting panel, one side fixedly connected with PLC control box of base, the first induction system of interior bottom fixedly connected with of shifting chute, the lower fixed surface of base is connected with and first induction system assorted second induction system, first electric putter, second electric putter, first induction system and second induction system all with PLC control box signal connection.
Further, the internally mounted of base has group battery, controller and driving motor, driving motor's output is connected with the drive shaft through drive mechanism, the both ends of drive shaft stretch out the both sides and the fixedly connected with wheel of base respectively, two the wheel is located the inside in two track grooves respectively, group battery, controller and driving motor pass through wire signal connection, the controller passes through wireless connection's mode signal connection with the PLC control box.
Further, the air nozzle comprises a fixed plate, a fastening mechanism is sleeved on the fixed plate, the fastening mechanism is a fastening bolt, the fastening bolt is in threaded connection with the first mounting plate and the second mounting plate respectively, one side of the fixed plate is fixedly connected with telescopic mechanism, the telescopic mechanism comprises a first telescopic rod, one side of the first telescopic rod is fixedly connected with the fixed plate, one side, away from the fixed plate, of the first telescopic plate is sleeved with a second telescopic rod, one side, away from the fixed plate, of the second telescopic rod is provided with an elastic clamping seat, the inner clamping of the elastic clamping seat is provided with a spray head, one side, close to the fixed plate, of the spray head is fixedly communicated with a spray pipe, one side, away from the spray head, of the spray pipe is fixedly communicated with a paint supply mechanism, and the.
Furthermore, two sets of limiting blocks are fixedly connected to the outer wall of the spray head and are respectively located on two sides of the elastic clamping seat, a limiting ring is fixedly connected to the outer wall of the first telescopic rod, and the spray pipe penetrates through the limiting ring.
Furthermore, one side of the fixed plate, which is far away from the first telescopic rod, is arranged to be arc-shaped, an indicating mark is arranged in the middle of the fixed plate, and scale marks matched with the indicating mark are arranged on the first mounting plate and the second mounting plate.
Further, the first sensing device is an infrared receiving device, and the second sensing device is an infrared emitting device.
Furthermore, the bottom in the track groove is provided with an anti-slip pad, and the outer wall of the wheel is provided with anti-slip lines.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic paint spraying device for automobile production, which has the following beneficial effects:
1. the automatic paint spraying device for the automobile production can enable the moving trolley to move along the track groove when in use by arranging the moving groove, the track groove and the moving trolley, when a second sensing device on the moving trolley corresponds to a first sensing device at the bottom in the moving groove, the first sensing device receives an optical signal of the second sensing device and sends the optical signal to the PLC control box to control the moving trolley to stop moving, the paint spraying device starts to spray paint at the moment, when shells of different specifications need to be sprayed with paint, the first electric push rod and the second electric push rod can be controlled to drive the paint spraying head to move, so that the distance between the paint spraying head and the shells is adjusted, the automatic paint spraying device is suitable for the shells of different specifications, and the paint spraying angle of the paint spraying head can be adjusted by adjusting the corresponding relation between the indication marks on the fixing plate and the scale lines, so that the automatic paint spraying device is suitable for the shells of different specifications.
Drawings
FIG. 1 is a schematic structural view of an automatic paint spraying apparatus for automobile production according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 of an automatic paint spraying apparatus for automobile production according to the present invention;
fig. 3 is an enlarged view of a portion B of fig. 1 of an automatic paint spraying apparatus for automobile manufacturing according to the present invention.
In the figure: the vehicle comprises a base 1, a track groove 2, a base 3, a support 4, a vehicle shell 5, a first electric push rod 6, a first mounting plate 7, a support 8, a second electric push rod 9, a second mounting plate 10, a PLC control box 11, a first sensing device 12, a second sensing device 13, a driving shaft 14, wheels 15, a fixing plate 16, a first telescopic rod 17, a second telescopic rod 18, a spray nozzle 19, a spray pipe 20, a limiting block 21, a limiting ring 22 and a non-slip mat 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an automatic paint spraying device for automobile production comprises a base 1, a moving groove is formed in the middle of the upper surface of the base 1, two symmetrical rail grooves 2 are formed in opposite side walls of the moving groove, a moving trolley is connected to the insides of the two rail grooves 2 in a rolling manner and comprises a base 3, a plurality of support columns 4 are fixedly connected to the upper surface of the base 3, a vehicle shell 5 is fixedly connected to the tops of the support columns 4, a top paint spraying device and a side paint spraying device are arranged on the upper surface of the base 1, the top paint spraying device comprises two first electric push rods 6 symmetrically arranged on two sides of the moving groove, a first mounting plate 7 is fixedly connected to the tops of the two first electric push rods 6, the side paint spraying device comprises two support seats 8 symmetrically arranged on two sides of the moving groove, two equal fixedly connected with second electric putter 9 on the supporting seat 8, second electric putter 9 is close to one side fixedly connected with second mounting panel 10 of car shell 5, equal fixedly connected with paint spray head on first mounting panel 7 and the second mounting panel 10, one side fixedly connected with PLC control box 11 of base 1, the first induction system 12 of interior bottom fixedly connected with of shifting chute, the lower fixed surface of base 3 is connected with and first induction system 12 assorted second induction system 13, first electric putter 6, second electric putter 9, first induction system 12 and second induction system 13 all with PLC control box 11 signal connection.
The internally mounted of base 3 has group battery, controller and driving motor, driving motor's output is connected with drive shaft 14 through drive mechanism, the both ends of drive shaft 14 stretch out the both sides and the fixedly connected with wheel 15 of base 3 respectively, two wheel 15 is located the inside in two track grooves 2 respectively, group battery, controller and driving motor pass through wire signal connection, the controller passes through wireless connection's mode signal connection with PLC control box 11.
The air nozzle comprises a fixed plate 16, a fastening mechanism is sleeved on the fixed plate 16 and is a fastening bolt, the fastening bolt is in threaded connection with a first mounting plate 7 and a second mounting plate 10 respectively, one side fixedly connected with telescopic mechanism of the fixed plate 16 is provided with a first telescopic rod 17, one side of the first telescopic rod 17 is fixedly connected with the fixed plate 16, one side, away from the fixed plate 16, of the first telescopic plate 17 is provided with a second telescopic rod 18, one side, away from the fixed plate 16, of the second telescopic rod 18 is provided with an elastic clamping seat, the elastic clamping seat is connected with a nozzle 19 in an internal clamping manner, one side, close to the fixed plate 16, of the nozzle 19 is fixedly communicated with a nozzle 20, one side, away from the nozzle 19, of the nozzle 20 is fixedly communicated with a paint supply mechanism, and the paint supply mechanism is in signal connection with.
Two sets of stopper 21 of fixedly connected with on the outer wall of shower nozzle 19, two sets of stopper 21 are located the both sides of elasticity cassette respectively, fixedly connected with spacing ring 22 on the outer wall of first telescopic link 17, spray tube 20 runs through spacing ring 22.
One side of the fixed plate 16, which is far away from the first telescopic rod 17, is set to be arc-shaped, the middle part of the fixed plate 16 is provided with an indicating mark, and the first mounting plate 7 and the second mounting plate 10 are both provided with scale marks matched with the indicating mark.
The first sensing device 12 is an infrared receiving device, and the second sensing device 13 is an infrared emitting device.
The inner bottom of the track groove 2 is provided with an anti-slip pad 23, and the outer wall of the wheel 15 is provided with anti-slip lines.
In summary, by providing the moving groove, the track groove 2 and the moving cart, the moving cart can be moved along the track groove 2 when in use, when the second sensing device 13 on the moving trolley corresponds to the first sensing device 12 at the bottom in the moving groove, the first sensing device 12 receives the light signal of the second sensing device 13, and the paint spraying device is sent to the PLC control box 11 to control the movable trolley to stop moving, at the moment, the paint spraying device starts spraying paint, when the vehicle shells 5 with different specifications need to be sprayed with paint, the first electric push rod 6 and the second electric push rod 9 can be controlled to drive the paint spraying head to move, so that the distance between the paint spraying head and the vehicle shell 5 is adjusted, and then adapt to the car shell 5 of different specifications, and through the corresponding relation between the pilot mark on the adjustment fixed plate 16 and the scale mark, can adjust the angle of spraying paint head, and then adapt to the car shell 5 of different specifications.

Claims (3)

1. The utility model provides an automotive production is with automatic paint spraying apparatus, includes base (1), its characterized in that: the upper surface middle part of the base (1) is provided with a moving groove, two symmetrical track grooves (2) are arranged on the opposite side walls of the moving groove, the inside of the two track grooves (2) is jointly connected with a moving trolley in a rolling manner, the moving trolley comprises a base (3), the upper surface of the base (3) is fixedly connected with a plurality of supporting columns (4), the tops of the supporting columns (4) are jointly and fixedly connected with a trolley shell (5), the upper surface of the base (1) is provided with a top paint spraying device and a side paint spraying device, the top paint spraying device comprises two first electric push rods (6) which are symmetrically arranged at two sides of the moving groove, the tops of the two first electric push rods (6) are jointly and fixedly connected with a first mounting plate (7), and the side paint spraying device comprises two supporting seats (8) which are symmetrically arranged at two sides of the, a second electric push rod (9) is fixedly connected to each of the two supporting seats (8), a second mounting plate (10) is fixedly connected to one side, close to the car shell (5), of each second electric push rod (9), a paint spraying head is fixedly connected to each of the first mounting plate (7) and the second mounting plate (10), a PLC control box (11) is fixedly connected to one side of the base (1), a first induction device (12) is fixedly connected to the inner bottom of the moving groove, a second induction device (13) matched with the first induction device (12) is fixedly connected to the lower surface of the base (3), and the first electric push rod (6), the second electric push rod (9), the first induction device (12) and the second induction device (13) are in signal connection with the PLC control box (11);
the base is characterized in that a battery pack, a controller and a driving motor are installed inside the base (3), the output end of the driving motor is connected with a driving shaft (14) through a transmission mechanism, two ends of the driving shaft (14) respectively extend out of two sides of the base (3) and are fixedly connected with wheels (15), the two wheels (15) are respectively located inside the two track grooves (2), the battery pack, the controller and the driving motor are in signal connection through wires, and the controller is in signal connection with a PLC control box (11) in a wireless connection mode;
the paint spraying head comprises a fixing plate (16), a fastening mechanism is sleeved on the fixing plate (16), the fastening mechanism is a fastening bolt, the fastening bolt is respectively in threaded connection with a first mounting plate (7) and a second mounting plate (10), a telescopic mechanism is fixedly connected to one side of the fixing plate (16), the telescopic mechanism comprises a first telescopic rod (17), one side of the first telescopic rod (17) is fixedly connected with the fixing plate (16), a second telescopic rod (18) is sleeved on one side, away from the fixing plate (16), of the first telescopic rod (17), an elastic clamping seat is arranged on one side, away from the fixing plate (16), of the second telescopic rod (18), a spray head (19) is clamped inside the elastic clamping seat, a spray pipe (20) is fixedly communicated to one side, close to the fixing plate (16), of the spray pipe (19), and a paint supplying mechanism is fixedly communicated to one side, away from the spray head (19), of the spray pipe (20, the paint supply mechanism is in signal connection with the PLC control box (11);
two groups of limiting blocks (21) are fixedly connected to the outer wall of the spray head (19), the two groups of limiting blocks (21) are respectively positioned on two sides of the elastic clamping seat, a limiting ring (22) is fixedly connected to the outer wall of the first telescopic rod (17), and the spray pipe (20) penetrates through the limiting ring (22);
one side of the fixing plate (16) far away from the first telescopic rod (17) is arc-shaped, an indicating mark is arranged in the middle of the fixing plate (16), and scale marks matched with the indicating mark are arranged on the first mounting plate (7) and the second mounting plate (10).
2. The automatic painting apparatus for automobile production according to claim 1, wherein: the first sensing device (12) is an infrared receiving device, and the second sensing device (13) is an infrared emitting device.
3. The automatic painting apparatus for automobile production according to claim 1, wherein: the anti-skid device is characterized in that an anti-skid pad (23) is arranged at the inner bottom of the track groove (2), and anti-skid lines are arranged on the outer wall of the wheel (15).
CN201910273867.7A 2019-04-07 2019-04-07 Automatic paint spraying device for automobile production Expired - Fee Related CN109847981B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910273867.7A CN109847981B (en) 2019-04-07 2019-04-07 Automatic paint spraying device for automobile production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910273867.7A CN109847981B (en) 2019-04-07 2019-04-07 Automatic paint spraying device for automobile production

Publications (2)

Publication Number Publication Date
CN109847981A CN109847981A (en) 2019-06-07
CN109847981B true CN109847981B (en) 2020-11-17

Family

ID=66903346

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910273867.7A Expired - Fee Related CN109847981B (en) 2019-04-07 2019-04-07 Automatic paint spraying device for automobile production

Country Status (1)

Country Link
CN (1) CN109847981B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110433988A (en) * 2019-07-15 2019-11-12 西安航空学院 Spraying method for aviation sheet metal shell
CN110496718A (en) * 2019-08-30 2019-11-26 南京中车浦镇城轨车辆有限责任公司 A kind of electrostatic spraying device suitable for different locomotive car door sizes
CN110465432B (en) * 2019-09-12 2021-03-23 浙江工业大学 Automatic positioning technology for anticorrosion spraying of mine hydraulic prop
CN112090660B (en) * 2020-08-20 2021-11-30 塔里木大学 Mechanical automatic spraying device based on computer vision
CN112058549A (en) * 2020-09-14 2020-12-11 李三红 Rust-resistant processing apparatus that corrodes of hexagonal square steel

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729781C2 (en) * 1977-07-01 1979-05-23 Daimler-Benz Ag, 7000 Stuttgart Method for the automatic, one-sided linearly limited application of coating material to the surface of an object, in particular a body for passenger cars
DE102006047382B4 (en) * 2006-10-06 2011-03-17 Venjakob Maschinenbau Gmbh & Co. Kg Apparatus for painting workpieces
JP5498760B2 (en) * 2009-11-06 2014-05-21 本田技研工業株式会社 Painting system
US9744548B2 (en) * 2015-02-17 2017-08-29 The Fountainhead Group, Inc. Telescoping spray wand assembly
CN204544561U (en) * 2015-03-30 2015-08-12 多维联合集团有限公司 A kind of whirl coating equipment for sheet fabrication
CN105665204B (en) * 2016-02-03 2018-09-11 宜昌利民管业科技有限公司 A kind of steel pipe inside and outside wall synchronization plastic-coated production equipment
CN106583126A (en) * 2016-11-21 2017-04-26 陈培党 Device for automatically adjusting sprayer pull rod distance
CN208341020U (en) * 2018-02-06 2019-01-08 天津畅嘉映春科技发展有限公司 A kind of hardware plate Environmental protection two-side spray-painting plant
CN208177966U (en) * 2018-02-13 2018-12-04 国网河南省电力公司电力科学研究院 It is a kind of to spray or clean four nozzle stage apparatus
CN109365179A (en) * 2018-12-25 2019-02-22 重庆精高金属结构制造有限公司 A kind of auto parts and components spraying frock

Also Published As

Publication number Publication date
CN109847981A (en) 2019-06-07

Similar Documents

Publication Publication Date Title
CN109847981B (en) Automatic paint spraying device for automobile production
CN103101584B (en) Full-load trolley of large passenger service vehicle assembling line
CN106672853B (en) A kind of full-bearing type car power assembly assembly method and tooling
CN205973691U (en) Inspection working car under hydraulic lifting platform vehicle and track traffic rolling stock's operation maintenance system and manned car
CN213969700U (en) Car body side wall fixture tool and flexible assembling system
CN102441814B (en) Automatic transmission production line for flexible jig of truck chassis
CN108706019B (en) Intelligent identification's multipurpose tram car lifting system
CN214240990U (en) Automobile tire safety cover
CN111823938B (en) Sharing intelligent rapid power-changing control method for electric buses with different power-changing buses
CN201049877Y (en) Mobile center pin positioning crane
CN104085460A (en) Passenger car assembly method and passenger car assembly line
CN110775499A (en) Flexible top cover assembly trolley
CN209921353U (en) Single-head tractable multi-rubber covered roller wheel track trolley
CN210545885U (en) Chain type heavy rail spraying and transferring production line
CN220893285U (en) Motor vehicle outline check out test set
CN210001062U (en) novel trolleys for transferring tire blanks
CN203612916U (en) Three-dimensional trolley
CN103569171B (en) Transfer trolley for a spare part
CN210116335U (en) Automobile tire dismouting machine
CN111005268A (en) Rail grinding vehicle for both highway and railway
CN213319867U (en) Auxiliary tool for installing locomotive end shock absorber
CN210081712U (en) Tool trolley for maintaining automobile body
CN216508721U (en) Trolley and assembly line for assembling chassis of small environment-friendly vehicle
CN213565967U (en) Partition frame trolley with adjustable floor height
CN110143228B (en) Single-head traction multi-rubber covered roller track trolley

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
TA01 Transfer of patent application right

Effective date of registration: 20201030

Address after: 322006 1st floor, No.32 Heping Village, Shangxi Town, Yiwu City, Jinhua City, Zhejiang Province

Applicant after: Zhejiang Sanbao Intellectual Property Service Co.,Ltd.

Address before: 050501 Qingtong Town, Lingshou County, Shijiazhuang City, Hebei Province

Applicant before: Xing Erjiang

GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 322006 2nd floor, building 1, Yiwu science and Technology Pioneer Park, 968 Xuefeng West Road, Beiyuan street, Yiwu City, Jinhua City, Zhejiang Province

Patentee after: Zhejiang Sanbao Intellectual Property Service Co.,Ltd.

Address before: 322006 1st floor, No.32 Heping Village, Shangxi Town, Yiwu City, Jinhua City, Zhejiang Province

Patentee before: Zhejiang Sanbao Intellectual Property Service Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20221221

Address after: 253000 West of Beishou Road, East Outer Ring, Yucheng National High tech Industrial Development Zone, Dezhou City, Shandong Province (east of Hengte Heavy Industry Institute)

Patentee after: Hengda transmission (Yucheng) Co.,Ltd.

Address before: 322006 2nd floor, building 1, Yiwu science and Technology Pioneer Park, 968 Xuefeng West Road, Beiyuan street, Yiwu City, Jinhua City, Zhejiang Province

Patentee before: Zhejiang Sanbao Intellectual Property Service Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201117