CN106082618B - A double-station three-knife glass cutting machine - Google Patents

A double-station three-knife glass cutting machine Download PDF

Info

Publication number
CN106082618B
CN106082618B CN201610694298.XA CN201610694298A CN106082618B CN 106082618 B CN106082618 B CN 106082618B CN 201610694298 A CN201610694298 A CN 201610694298A CN 106082618 B CN106082618 B CN 106082618B
Authority
CN
China
Prior art keywords
knife
cutting knife
cutting
cutter
moving
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.)
Active
Application number
CN201610694298.XA
Other languages
Chinese (zh)
Other versions
CN106082618A (en
Inventor
王德胜
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.)
Wanzai Taian Perlite Co ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201610694298.XA priority Critical patent/CN106082618B/en
Publication of CN106082618A publication Critical patent/CN106082618A/en
Application granted granted Critical
Publication of CN106082618B publication Critical patent/CN106082618B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)

Abstract

本发明公开了一种双工位三刀玻璃切割机。包括机架,设于所述机架上的工作平台、刀架装置和相应的切割刀,所述刀架装置包括固定横梁、通过相应的横梁调节装置连接于所述固定横梁的移动切刀横梁,所述切割刀包括固定连接于所述移动切刀横梁的一个基本切割刀,以及分别位于所述基本切割刀的相应两侧、通过相应的切刀调节装置连接于所述移动切刀横梁的两变位切割刀。双工位三刀玻璃切割机结构简单、科学、合理,可以实现自动调刀,使生产的预备辅助时间大大减少,提高了生产效率,且投资少、占地小、工作效率高、切割效果好。

The invention discloses a double-station three-knife glass cutting machine. It includes a frame, a working platform, a tool holder device and a corresponding cutting knife arranged on the frame, and the tool holder device includes a fixed beam, a movable cutter beam connected to the fixed beam through a corresponding beam adjustment device , the cutting knife comprises a basic cutting knife fixedly connected to the moving cutting knife beam, and a basic cutting knife respectively located on the corresponding two sides of the basic cutting knife and connected to the moving cutting knife beam through a corresponding cutting knife adjusting device. Two displacement cutting knives. The double-station three-knife glass cutting machine has a simple, scientific and reasonable structure. It can realize automatic knife adjustment, greatly reduce the auxiliary time for production preparation, improve production efficiency, and has less investment, small footprint, high work efficiency and good cutting effect. .

Description

A kind of three knife glass cutting machine of double-station
Technical field
The present invention relates to three knife glass cutting machines of a kind of glass cutting device more particularly to a kind of double-station.
Background technique
Currently hilted broadsword or multi-tool glass cutting machine are used in production industries such as LCD, touch screen, solar batteries.Hilted broadsword Cutting machine that the biggest advantage is to toolsettings is simple and convenient, cutting yield is high, effect is good, but its major defect be exactly because There is a knife to work, cutting efficiency is especially low, and the production site and personnel occupied is more, and corresponding equipment investment and production cost are all It compares larger.Though its fatal defect is exactly to cut when running and for its high production efficiency of existing multi-cutting machine The adjustment of cutter is sufficiently complex, cumbersome, difficult;And can only manually toolsetting, thus toolsetting is time-consuming, laborious, precision is low.And And restricted by operator's self-technique level height, to the individual skill Yi Naigao of worker, be unfavorable for production tissue and Management;In addition it is lower to cut yield for it.
Summary of the invention
The purpose of the present invention is in view of the deficiency of the prior art, provide a kind of three knife glass-cutting of double-station Machine.Three knife glass cutting machine structure of double-station is simple, scientific, reasonable, and automatic toolsetting may be implemented, when making the preparation auxiliary of production Between greatly reduce, improve production efficiency, and small investment, take up little area, work efficiency is high, good cutting effect.
The technical solution of three knife glass cutting machine of this double-station includes rack, workbench, knife in the rack Rack device and corresponding cutter, the cutter holder device include fixed cross beam, by corresponding crossbeam regulating device are connected to institute State the mobile cutting knife crossbeam of fixed cross beam, the cutter include being fixedly connected on one of the mobile cutting knife crossbeam to cut substantially Cutter, and be located at the respective sides of the basic cutter, the shifting is connected to by corresponding cutter adjusting device Two displacement cutter of dynamic cutter crossbeam.
The crossbeam regulating device includes the knife rest moving carriage for being fixedly connected on the mobile cutting knife crossbeam, and connection Driving device between the fixed cross beam and knife rest moving carriage, and it is connected to the fixed cross beam and mobile cutting knife cross Guiding device between beam.
The guiding device of the crossbeam regulating device includes the guide rail being connected on the fixed cross beam side by side, and connection Crossbeam sliding block between the guide rail and mobile cutting knife crossbeam;Mobile cutting knife crossbeam is by corresponding driving device through guide rail edge Fixed cross beam length direction is mobile.
The driving device includes the driving motor for being fixed on the fixed cross beam, and transmission connection is in the driving electricity Screw rod between machine and mobile cutting knife crossbeam.
The cutter adjusting device include be connected to mobile cutting knife crossbeam and conjugate cutter between guiding device and It is connected to the corresponding driving device of displacement cutter.
The guiding device for conjugating cutter includes the guide rail connecting side by side with mobile cutting knife crossbeam, and is connected to institute It states guide rail and conjugates the displacement sliding block between cutter.
The driving device of displacement cutter includes the corresponding driving electricity for being individually fixed in the mobile cutting knife crossbeam Machine, and the corresponding screw rod being sequentially connected between the driving motor and the corresponding displacement cutter respectively.
Corresponding camera lens is respectively equipped on the displacement cutter or basic cutter and displacement cutter.
The basic cutter are equipped with former and later two CCD camera lenses and follow rest are followed to move together, and are set to displacement cutter On the camera lens follow displacement cutter move together.
Three knife glass cutting machine of this double-station is simple and scientific since its structure is constituted, the special simple, side of toolsetting Just and accurately, with structure composition and toolsetting process similar or close to hilted broadsword machine, realize the cutting function of machine, cutting effect and Cutting efficiency.Production efficiency can be increased substantially, simplify cutting operation step or process, reduction labor intensity and production cost.
Detailed description of the invention
Fig. 1 is three knife glass cutting machine of this double-station, one embodiment schematic view of the front view.Fig. 2 is the embodiment side view Figure;Fig. 3 and Fig. 4 is respectively that this double-station glass cutting machine is cut and the corresponding relationship of corresponding cutter in glass X and Y-direction Figure.
Specific embodiment
In order to further appreciate that technical solution of the present invention, the present invention is made into one by following embodiment combination attached drawing Walk explanation.
As illustrated in fig. 1 and 2, the three knife glass cutting machine of double-station of the present embodiment includes rack 1, workbench 3, knife rest dress It sets and three cutter 5 corresponding with workbench 3 etc..Its cutter holder device includes fixed cross beam, by corresponding crossbeam tune Regulating device is connected to the mobile cutting knife crossbeam of fixed cross beam, and fixed cross beam 4a is connected in rack by left and right support 4, and movement is cut Knife crossbeam 7 be located at the corresponding side of fixed cross beam 4a, its length direction it is identical as the length direction of fixed cross beam, can be by corresponding Crossbeam regulating device moved along fixed cross beam 4a length direction.Basic cutter are fixedly connected on mobile cutting knife crossbeam, and two Mobile cutting knife can be connected to along mobile cutting knife crossbeam length direction movable type by corresponding cutter adjusting device by conjugating cutter On crossbeam.
Its mobile cutting knife crossbeam of the invention is moved through guide rail along fixed cross beam length direction by corresponding driving device, institute Stating driving device includes the driving motor for being fixed on the fixed cross beam, and transmission connection is cut in the driving motor and movement Screw rod between knife crossbeam.
Its guiding device for conjugating cutter includes the guide rail connecting side by side with mobile cutting knife crossbeam, and is connected to described Change driving device between guide rail and displacement cutter includes the corresponding driving electricity for being individually fixed in the mobile cutting knife crossbeam Machine, and the corresponding screw rod being sequentially connected between the driving motor and the corresponding displacement cutter respectively.
Workbench 3 by can the rotary guiding device 11 of an angle of 90 degrees rotation be connected on work platform frame 13, work is flat Rack 13 is connected in rack 1 by corresponding longitudinal (or front and back) guiding device 12.
Workbench 3 can do 90 degree of rotations relative to fixed cross beam 4a, and can by corresponding longitudinal guide 12 in Front and back (longitudinal direction) is mobile in rack 1.
Three cutter 5 on mobile cutting knife crossbeam 7 are respectively arranged on including a basic cutter 5a and difference Positioned at the displacement cutter 5b of the left and right sides of basic cutter 5a.Basic cutter 5a is fixedly connected on mobile cutting knife crossbeam 7 Middle part.Left and right two displacement cutter 5b respectively by corresponding cutter adjusting device 8 can on mobile cutting knife crossbeam 7, relative to Basic cutter 5a left-right position moves adjustable type and is connected on mobile cutting knife crossbeam 7.By cutter adjusting device with basic The cutting line number of glass is distributed on the basis of cutter 5a, by the total quantity of basic cutter and displacement cutter, two displacements are cut The position that cutter 5b is respectively relative to basic cutter 5a is adjusted, to corresponding cutter while being accurately positioned, right Glass synchronizes accurate cutting.
Its crossbeam regulating device includes the knife rest moving carriage 15 for being fixedly connected on mobile cutting knife crossbeam, is fixedly mounted on Determine the driving motor 9 for being connected to knife rest moving carriage 15 on crossbeam, by corresponding screw rod transmission, is connected to fixed cross beam side Beam guideway 17a, and the crossbeam sliding block 14a being connected between beam guideway 17a and mobile cutting knife crossbeam 7.Mobile cutting knife Crossbeam 7 can move adjusting along fixed cross beam 4a length direction by crossbeam regulating device, i.e., passed through by driving motor corresponding Screw rod driving knife rest moving carriage 15 drives mobile cutting knife crossbeam to move along fixed cross beam length direction in turn, makes to cut substantially Cutter and displacement cutter are adjusted in mobile on fixed cross beam length direction, to realize that its position is adjusted.Its driving motor can be with The be placed in opposite sides of fixed cross beam of mobile cutting knife crossbeam is connected to the both ends of knife rest moving carriage 15.
Its cutter adjusting device includes the cutter guide 17b for being connected to mobile cutting knife crossbeam 7, is connected to cutter guide 17b With the displacement sliding block 14b between displacement cutter 5b, corresponding driving device, driving device includes being individually fixed in movement to cut Two driving motors of knife crossbeam, and the phase being sequentially connected between two driving motor and corresponding two displacements cutter respectively The screw rod answered.
Two displacement cutter 5b can carry out phase by corresponding driving motor respectively by the corresponding controller of this cutting machine Position is controlled to adjust.
CCD para-position camera lens 6 and corresponding display are connected separately on the basic displacement of cutter 5a and two cutter 5b.Become CCD para-position camera lens 6 on the cutter 5b of position follows displacement cutter 5b mobile.Pass through display and corresponding CCD para-position camera lens 6 It can monitor the corresponding position of each cutter Yu glass-cutting line.Since CCD para-position camera lens 6 can be moved with corresponding cutter It is dynamic, so that it is directed at cutting line (cut mark) always, thus can be cut in real time by the observation of corresponding display in any case Cut effect.
Specific works method;12 knives now are cut with regard to an X-direction, Y-direction cuts the glass of 6 knives and illustrates its course of work: by glass The cutting line number (knife number i.e. to be cut) of glass is distributed equally by three cutter, is obtained each cutter and is needed to cut Knife number (or cutting line number).
X is carried out to toolsetting, allows each operating mechanism to reset to X-direction initial position first, glass is put well, is consolidated with vacuum It is fixed, mobile cutting knife crossbeam is moved integrally make to suitable position basic cutter be aligned X to the basic cutter needs of a1( First cutting line of cutting) line position, by the left side that left displacement cutter are moved to glass be aligned X to b1 line position, it is right Displacement cutter be moved to glass the left side be aligned X to c1 line position, by the corresponding setting key lock of corresponding controller And remember each cutter from X to initial position.As shown in Figure 3.
Y-direction toolsetting is carried out, workbench is rotated by 90 °, similarly mobile cutting knife crossbeam moved integrally to suitable position, Make the basic cutter of a1(first cutting line to be cut of basic cutter alignment Y-direction) line position, left displacement is cut Knife is moved to the b1 line position of the left side alignment Y-direction of glass, and right displacement cutter are moved to the c1 line of the left side alignment Y-direction of glass Position, by corresponding controller corresponding setting key lock and remember initial position of each cutter from Y-direction.Such as Fig. 4 institute Show.
Above-mentioned X and Y-direction toolsetting are carried out by self-checking device.
Movement is as follows when automatic cutting, puts each reset to X well glass to good position, starting to initial position first Cutting machine, workbench advance by the cutting stroke of setting, and the break bar of cutter is in glass surface cutting-up, after advancing in place, knife Frame integrally moves to left a single step by the size of setting, and the corresponding cutter head of cutter rotates 180 degree, row after platform, cutter simultaneously Take turns cutting-up on the glass surface, so circulation 4 times.Cut X backward, workbench is rotated by 90 °, and mobile cutting knife crossbeam integrally moves Y-direction cutting initial position is moved, left and right knife automatic running to respective Y-direction cuts initial position, and workbench moves ahead, scribing wheel Cutting-up on the glass surface, after advancing in place, knife rest integrally moves to right a single step, the corresponding cutter head of cutter by the size of setting Rotate 180 degree, row after platform, scribing wheel cutting-up on the glass surface, cut Y-direction back tool rest and left and right knife respectively return to X to Initial position is cut, platform reversely rotates 90 degree, completes a working cycles.
In the embodiment of the present invention 2, driving device includes linear servo-actuator.Remaining structure etc. and above-described embodiment class Together.

Claims (6)

1.一种双工位三刀玻璃切割机,包括机架,设于所述机架上的工作平台、刀架装置和相应的切割刀,其特征是所述刀架装置包括固定横梁、通过相应的横梁调节装置连接于所述固定横梁的移动切刀横梁,所述切割刀包括固定连接于所述移动切刀横梁的一个基本切割刀,以及分别位于所述基本切割刀的相应两侧、通过相应的切刀调节装置连接于所述移动切刀横梁的两变位切割刀;所述切刀调节装置包括连接于移动切刀横梁与变位切割刀之间的导向装置以及连接于变位切割刀的相应的驱动装置,移动切刀横梁通过相应的驱动装置经导轨沿固定横梁长度方向移动。1. a double-station three-knife glass cutting machine, comprising a frame, a working platform, a tool holder device and a corresponding cutting knife arranged on the frame, it is characterized in that the tool holder device comprises a fixed beam, through The corresponding beam adjusting device is connected to the moving cutter beam of the fixed beam, and the cutting knife includes a basic cutting knife fixedly connected to the moving cutter beam, and a basic cutting knife located on the corresponding two sides of the basic cutting knife, respectively. The two displacement cutting knives are connected to the moving knife beam through the corresponding cutting knife adjusting device; the cutting knife adjusting device includes a guide device connected between the moving knife beam and the displacement cutting knife and a The corresponding driving device of the cutting knife, the moving beam of the cutting knife moves along the length direction of the fixed beam through the guide rail through the corresponding driving device. 2.根据权利要求1所述双工位三刀玻璃切割机,其特征是所述横梁调节装置包括固定连接于所述移动切刀横梁的刀架移动拖板,以及连接于所述固定横梁与刀架移动拖板之间的驱动装置,以及连接于所述固定横梁与移动切刀横梁之间的导向装置。2. The double-station three-knife glass cutting machine according to claim 1, characterized in that the beam adjusting device comprises a tool rest moving carriage fixedly connected to the moving cutter beam, and is connected to the fixed beam and the moving carriage. The driving device between the moving carriages of the tool rest, and the guiding device connected between the fixed beam and the moving cutter beam. 3.根据权利要求2所述双工位三刀玻璃切割机,其特征是所述横梁调节装置的导向装置包括并列连接于所述固定横梁上的导轨,以及连接于所述导轨与移动切刀横梁之间的横梁滑块。3. The double-station three-knife glass cutting machine according to claim 2, wherein the guide device of the beam adjusting device comprises a guide rail connected in parallel to the fixed beam, and a guide rail connected to the guide rail and a moving cutter Beam sliders between beams. 4.根据权利要求1所述双工位三刀玻璃切割机,其特征是变位切割刀的所述驱动装置包括分别固定于所述移动切刀横梁的相应的驱动电机。4 . The double-station three-knife glass cutting machine according to claim 1 , wherein the driving device of the displacement cutting knife comprises corresponding driving motors respectively fixed to the beam of the moving cutting knife. 5 . 5.根据权利要求1或2所述双工位三刀玻璃切割机,其特征是所述变位切割刀、亦或基本切割刀和变位切割刀上分别设有相应的镜头。5. The double-station three-knife glass cutting machine according to claim 1 or 2, characterized in that the displacement cutting knife, or the basic cutting knife and the displacement cutting knife are respectively provided with corresponding lenses. 6.根据权利要求5所述双工位三刀玻璃切割机,其特征是所述基本切割刀设有前后两个CCD镜头跟随移动刀架一起移动,设于变位切割刀上的所述镜头跟随变位切割刀一起移动。6. The double-station three-knife glass cutting machine according to claim 5, wherein the basic cutting knife is provided with two front and rear CCD lenses to move together with the moving tool rest, and the lens is arranged on the displacement cutting knife. Move with the displacement cutter.
CN201610694298.XA 2016-08-21 2016-08-21 A double-station three-knife glass cutting machine Active CN106082618B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610694298.XA CN106082618B (en) 2016-08-21 2016-08-21 A double-station three-knife glass cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610694298.XA CN106082618B (en) 2016-08-21 2016-08-21 A double-station three-knife glass cutting machine

Publications (2)

Publication Number Publication Date
CN106082618A CN106082618A (en) 2016-11-09
CN106082618B true CN106082618B (en) 2019-06-21

Family

ID=58070695

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610694298.XA Active CN106082618B (en) 2016-08-21 2016-08-21 A double-station three-knife glass cutting machine

Country Status (1)

Country Link
CN (1) CN106082618B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110255875A (en) * 2019-06-30 2019-09-20 东莞市佰荣森机械设备有限公司 Hybrid structure duplex position glass-cutting machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103373807A (en) * 2012-04-11 2013-10-30 韶阳科技股份有限公司 Engraving and milling machine with one vertical shaft and two independent horizontal shafts
CN204151224U (en) * 2014-09-28 2015-02-11 重庆重玻节能玻璃有限公司 Double sheet glass cutting unit
CN204625471U (en) * 2015-05-21 2015-09-09 深圳市卓耀科技有限公司 A kind of Full-automatic linear glass cutting machine
CN205933613U (en) * 2016-08-21 2017-02-08 王德胜 Duplex position three sword glass -cutting machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103373807A (en) * 2012-04-11 2013-10-30 韶阳科技股份有限公司 Engraving and milling machine with one vertical shaft and two independent horizontal shafts
CN204151224U (en) * 2014-09-28 2015-02-11 重庆重玻节能玻璃有限公司 Double sheet glass cutting unit
CN204625471U (en) * 2015-05-21 2015-09-09 深圳市卓耀科技有限公司 A kind of Full-automatic linear glass cutting machine
CN205933613U (en) * 2016-08-21 2017-02-08 王德胜 Duplex position three sword glass -cutting machine

Also Published As

Publication number Publication date
CN106082618A (en) 2016-11-09

Similar Documents

Publication Publication Date Title
CN103418881B (en) Cantilevered mode digital control plasma torch shaped steel solid cutting problem machine
CN101890577A (en) Manipulator for laser cutting machines of flat sheet metal at low inertia
CN204277454U (en) Integrated drilling automation processing equipment
CN107335931B (en) A kind of laser cutting device
CN204160510U (en) Multistation cutting
CN102009558B (en) Computerized numerical control engraving machine having plurality of knife rows and integrating rough engraving and exact engraving into whole
CN205933613U (en) Duplex position three sword glass -cutting machine
CN105252609B (en) Numerical control tenoning machine
CN101623795B (en) Laser cutting light guide system, laser cutting device and laser cutting method
CN220547782U (en) Toy cloth laser cutting machine that cutting accuracy is high
CN205834496U (en) Flat ornaments cutting machine
CN203265729U (en) Automatic double-main-shaft chamfering machine
CN204149737U (en) A kind of multistation multi-functional carving milling machine
CN204913301U (en) Automatic recessing processing equipment of handle class product
KR20120067995A (en) Machine for making gears
CN102528864B (en) Numerical-control multi-shaft seat mortising machine
CN205112032U (en) Tenon machine is made in numerical control
CN211332327U (en) Synchronous finish machining tool system for double end faces of multiple zinc-aluminum alloy parts
CN106082618A (en) A kind of double three cutter glass cutting machine
CN218964799U (en) Profile perforating machine for positioning and cutting
CN101817096A (en) Millesimal fine adjustment tool rest
CN110565089A (en) Laser cladding equipment
CN204160532U (en) Cutting and conveying belt transmission device thereof
CN104552395A (en) Door and window glazing bead cutting tool and technological method
US3473583A (en) Machine for squaring plates or panels in combination with a multiple drillof wood,plastic material or the like,ing machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20251228

Address after: 310000 Zhejiang Province Hangzhou City Yuhang District Wuchang Street Aicheng Street No. 1 Building 10 E Zone Unit 4 4th Floor E417-3-3-1

Patentee after: Hangzhou Baopu Technology Co.,Ltd.

Country or region after: China

Address before: 336100, Yichun City, WanZai County, Kangle Street, East Da Road No. 28, Annex 1, Unit 3, Room 102

Patentee before: Wang Desheng

Country or region before: China

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20260331

Address after: 336100 Jiangxi Province Yichun City WanZai County Chengguan Kangle Avenue Lianhe Village Duan Chong

Patentee after: Wanzai Taian perlite Co.,Ltd.

Country or region after: China

Address before: 310000 Zhejiang Province Hangzhou City Yuhang District Wuchang Street Aicheng Street No. 1 Building 10 E Zone Unit 4 4th Floor E417-3-3-1

Patentee before: Hangzhou Baopu Technology Co.,Ltd.

Country or region before: China