CN109226496A - A kind of arrangements for automotive doors stamping die - Google Patents

A kind of arrangements for automotive doors stamping die Download PDF

Info

Publication number
CN109226496A
CN109226496A CN201810879505.8A CN201810879505A CN109226496A CN 109226496 A CN109226496 A CN 109226496A CN 201810879505 A CN201810879505 A CN 201810879505A CN 109226496 A CN109226496 A CN 109226496A
Authority
CN
China
Prior art keywords
groove
side plate
lower mold
workbench
stamping die
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.)
Granted
Application number
CN201810879505.8A
Other languages
Chinese (zh)
Other versions
CN109226496B (en
Inventor
陈莉莉
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.)
Qingdao Haozhou Flexible Products Manufacturing 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 CN201810879505.8A priority Critical patent/CN109226496B/en
Publication of CN109226496A publication Critical patent/CN109226496A/en
Application granted granted Critical
Publication of CN109226496B publication Critical patent/CN109226496B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02Ejecting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

本发明公开了一种汽车车门冲压模具,包括工作台、升降气缸和侧板,所述工作台的顶部边角处固定安装有立杆,且工作台上的中心处开设有凹槽,并且凹槽的顶部一侧预留有边槽,所述升降气缸通过支撑杆固定在立杆上,且升降气缸的下端垂直连接有底板,所述上模具位于凹槽的正上方,且凹槽内设置有下模具,所述下模具的下端通过弹性连接件与凹槽底部相连接,且下模具内设置有导气渠,所述侧板通过弹性固定件设置于工作台的一侧,且侧板的一端位于凹槽内下模具的下方,所述侧板的一端上固定有滚轮,且侧板的上端垂直连接有推杆。该汽车车门冲压模具,方便了汽车车门成型后的拆洗,同时减少汽车车门拆卸时造成的模具损坏。

The invention discloses a stamping die for an automobile door, comprising a worktable, a lifting cylinder and a side plate. A vertical rod is fixedly installed at the top corner of the worktable, and a groove is opened at the center of the worktable, and the concave A side groove is reserved on one side of the top of the groove, the lifting cylinder is fixed on the vertical rod through a support rod, and the lower end of the lifting cylinder is vertically connected with a bottom plate, the upper mold is located directly above the groove, and the groove is provided with There is a lower mold, the lower end of the lower mold is connected with the bottom of the groove through an elastic connecting piece, and an air guide channel is arranged in the lower mold, the side plate is arranged on one side of the workbench through an elastic fixing piece, and the side plate is One end of the side plate is located below the lower mold in the groove, a roller is fixed on one end of the side plate, and a push rod is vertically connected to the upper end of the side plate. The automobile door stamping die facilitates the dismantling and washing of the automobile door after it is formed, and at the same time reduces the damage of the die when the automobile door is disassembled.

Description

A kind of arrangements for automotive doors stamping die
Technical field
The present invention relates to stamping die technology, specially a kind of arrangements for automotive doors stamping die.
Background technique
Arrangements for automotive doors stamping die is the tool of production for carrying out extrusion forming to it when arrangements for automotive doors is prepared and produced, and is passed through The use of stamping die prepares the radian and hole applied on arrangements for automotive doors, facilitates installing and using for arrangements for automotive doors.
However existing arrangements for automotive doors stamping die, after arrangements for automotive doors punch forming, arrangements for automotive doors can be fastened on mold, It dismantles and takes and is inconvenient to use, dismantle die ontology easy to damage when car door.In view of the above-mentioned problems, being badly in need of in original Automobile Innovative design is carried out on the basis of door stamping die.
Summary of the invention
The purpose of the present invention is to provide a kind of arrangements for automotive doors stamping dies, existing to solve above-mentioned background technique proposition For arrangements for automotive doors stamping die after arrangements for automotive doors punch forming, arrangements for automotive doors can be fastened on mold, and dismantle and take use not side Just, when dismantling car door the problem of die ontology easy to damage.
To achieve the above object, the invention provides the following technical scheme: a kind of arrangements for automotive doors stamping die, including work The top edge of platform, lifting cylinder and side plate, the workbench is fixedly installed with upright bar, and opens up at the center on workbench It is fluted, and the top side of groove is reserved with side slot, and the lifting cylinder is fixed in upright bar by support rod, and is gone up and down The lower end of cylinder is vertically connected with bottom plate, and upper mold is equipped on bottom plate, and the upper mold is located at the surface of groove, and Lower mold is provided in groove, the lower end of the lower mold is connected by flexible connector with bottom portion of groove, and in lower mold It is provided with air guide canal, and gas-guide tube is installed at the bottom margin of groove, the side plate is set to work by flexible fastening piece Make the side of platform, and one end of side plate is located at the lower section of lower mold in groove, is fixed with idler wheel, and side on one end of the side plate The upper end of plate is vertically connected with push rod, and push rod is set in the slot of side.
Preferably, the upright bar is symmetrically arranged with 4 about the vertical central axis of workbench, and upright bar runs through with bottom plate Connection.
Preferably, the bottom of the lower mold is set as isosceles trapezoidal structure, and lower mold and groove coincide and connect.
Preferably, the lower mold and workbench constitute OQ t structure, and the top minimum level height of lower mold Under the bottom of push rod.
Preferably, the side plate is designed as " T " font structure, and side plate and workbench constitute stretching structure, and side plate One end fitted by idler wheel and lower mold.
Preferably, the push rod is provided with 2, and the length of push rod is greater than the length of side slot.
Compared with prior art, the beneficial effects of the present invention are: the arrangements for automotive doors stamping die, is provided in lower mold Air guide canal, when acting on gas-guide tube work of air guide canal, can provide a upward gas for the arrangements for automotive doors placed on lower mold Motive force is pressed, so that there are gap together, replacement easy to disassemble, liftings between arrangements for automotive doors after molding and stamping die The common setting of the lower mold and side plate of structure, when lower mold is moved down, the movement backwards to workbench occurs for side plate, in Automobile After the completion of door molding, when lower mold rises because of the effect of flexible connector, under the action of flexible fastening piece court can occur for side plate Movement to workbench is torn open after solving existing arrangements for automotive doors molding to push arrangements for automotive doors after molding using push rod Inconvenience is unloaded, the damage problem of mold is easily caused.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the present invention;
Fig. 2 is workbench overlooking structure diagram of the present invention;
Fig. 3 is lateral plate structure schematic diagram of the present invention;
Fig. 4 is positive structure schematic of the present invention.
In figure: 1, workbench;2, upright bar;3, groove;4, side slot;5, lifting cylinder;6, support rod;7, bottom plate;8, upper mold Tool;9, lower mold;10, flexible connector;11, air guide canal;12, gas-guide tube;13, side plate;14, flexible fastening piece;15, idler wheel; 16, push rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments;It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention;
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of arrangements for automotive doors stamping die, including workbench 1, Upright bar 2, groove 3, side slot 4, lifting cylinder 5, support rod 6, bottom plate 7, upper mold 8, lower mold 9, flexible connector 10, air guide canal 11, the top edge of gas-guide tube 12, side plate 13, flexible fastening piece 14, idler wheel 15 and push rod 16, workbench 1 is fixedly installed with Upright bar 2, and fluted 3 are opened up at the center on workbench 1, and the top side of groove 3 is reserved with side slot 4, lifting cylinder 5 It is fixed in upright bar 2 by support rod 6, and the lower end of lifting cylinder 5 is vertically connected with bottom plate 7, and is equipped on bottom plate 7 Mold 8, upper mold 8 are located at the surface of groove 3, and lower mold 9 is provided in groove 3, and the lower end of lower mold 9 is connected by elasticity Fitting 10 is connected with 3 bottom of groove, and air guide canal 11 is provided in lower mold 9, and is equipped at the bottom margin of groove 3 Gas-guide tube 12, side plate 13 is set to the side of workbench 1 by flexible fastening piece 14, and one end of side plate 13 is located in groove 3 The lower section of lower mold 9 is fixed with idler wheel 15 on one end of side plate 13, and the upper end of side plate 13 is vertically connected with push rod 16, and Push rod 16 is set in side slot 4;
Upright bar 2 is symmetrically arranged with 4 about the vertical central axis of workbench 1, and upright bar 2 and bottom plate 7 lead to through connection Setting upright bar 2 is crossed, bottom plate 7 and the installation of lifting cylinder 5 is facilitated to fix, while when bottom plate 7 carries out lifting moving, 2 meeting of upright bar Bottom plate 7 is supported and is limited, prevents bottom plate 7 from deviation shaking occurring in the process of moving, influences the punching press of mold;
The bottom of lower mold 9 is set as isosceles trapezoidal structure, and lower mold 9 and groove 3 coincide and connect, convenient lower mold 9 Installation settings moves up and down the generation for going up and down the deviation that will not shake, while the liter up and down of lower mold 9 in lower mold 9 Drop can be mobile with side plate 13 by idler wheel 15;
Lower mold 9 and workbench 1 constitute OQ t structure, and the top minimum level height of lower mold 9 is located at push rod Under 16 bottom, lower mold 9 can move down under the promotion of upper mold 8, while in the effect of flexible connector 10 and energy Mobile reset occurs, realizes the OQ t of lower mold 9 and workbench 1, the lifting of lower mold 9 will drive the mobile of push rod 16 will Under the arrangements for automotive doors placed on lower mold 9 moves, facilitate arrangements for automotive doors disassembly after molding;
Side plate 13 is designed as " T " font structure, and side plate 13 and workbench 1 constitute stretching structure, and the one of side plate 13 End is fitted with lower mold 9 by idler wheel 15, side plate 13 lower mold 9 lifting simultaneously because idler wheel 15 and lower mold 9 phase It contacts and moves, shunk under the action of flexible fastening piece 14, drive the movement of push rod 16 to lead by the contraction of side plate 13 Lower arrangements for automotive doors;
Push rod 16 is provided with 2, and the length of push rod 16 is greater than the length of side slot 4, improves the work of arrangements for automotive doors disassembly Efficiency, while reducing the disassembly damage of mold.
Working principle: when using the arrangements for automotive doors stamping die, bottom plate 7 is improved by lifting cylinder 5 first, upper Retain the spacing of enough size between mold 8 and lower mold 9, arrangements for automotive doors to be punched is then placed in upper mold 8 under Between mold 9, after the completion of arrangements for automotive doors is fixed, lifting cylinder 5 is opened, bottom plate 7 and upper mold 8 are moved down, with upper mold 8 Close to each other with lower mold 9, arrangements for automotive doors is by slow punching press, while lower mold 9 is because squeezing so that flexible connector 10 occurs Deformation and decline, lower mold 9 during the decline by idler wheel 15 push side plate 13 occur backwards to workbench 1 movement, After the completion of arrangements for automotive doors punching press, high pressure gas is imported in groove 3 by gas-guide tube 12, gas flow to automobile by air guide canal 11 Between car door and lower mold 9, expand the spacing between arrangements for automotive doors and lower mold 9, then control lifting cylinder 5 makes again Mold 8 moves up, the mobile meeting of upper mold 8 so that lower mold 9 because the elasticity of flexible connector 10 resets, similarly side plate 13 because The effect of flexible fastening piece 14 resets, and moves under the action of flexible fastening piece 14, by what is be arranged on lower mold 9 Arrangements for automotive doors is led down, and the disassembly of arrangements for automotive doors is facilitated, while reducing the damage of mold.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this Within the protection scope of invention.

Claims (6)

1.一种汽车车门冲压模具,包括工作台(1)、升降气缸(5)和侧板(13),其特征在于:所述工作台(1)的顶部边角处固定安装有立杆(2),且工作台(1)上的中心处开设有凹槽(3),并且凹槽(3)的顶部一侧预留有边槽(4),所述升降气缸(5)通过支撑杆(6)固定在立杆(2)上,且升降气缸(5)的下端垂直连接有底板(7),并且底板(7)上安装有上模具(8),所述上模具(8)位于凹槽(3)的正上方,且凹槽(3)内设置有下模具(9),所述下模具(9)的下端通过弹性连接件(10)与凹槽(3)底部相连接,且下模具(9)内设置有导气渠(11),并且凹槽(3)的底部边缘处安装有导气管(12),所述侧板(13)通过弹性固定件(14)设置于工作台(1)的一侧,且侧板(13)的一端位于凹槽(3)内下模具(9)的下方,所述侧板(13)的一端上固定有滚轮(15),且侧板(13)的上端垂直连接有推杆(16),并且推杆(16)设置于边槽(4)内。1. An automobile door stamping die, comprising a workbench (1), a lifting cylinder (5) and a side plate (13), characterized in that: the top corner of the workbench (1) is fixedly installed with a vertical rod ( 2), and a groove (3) is opened at the center of the workbench (1), and a side groove (4) is reserved on the top side of the groove (3), and the lifting cylinder (5) passes through the support rod. (6) It is fixed on the vertical rod (2), and the lower end of the lifting cylinder (5) is vertically connected with the bottom plate (7), and the bottom plate (7) is installed with an upper mold (8), and the upper mold (8) is located in Right above the groove (3), and a lower mold (9) is arranged in the groove (3), and the lower end of the lower mold (9) is connected with the bottom of the groove (3) through an elastic connector (10), And the lower mold (9) is provided with an air guide channel (11), and an air guide pipe (12) is installed at the bottom edge of the groove (3), and the side plate (13) is arranged on the elastic fixing piece (14). One side of the workbench (1), and one end of the side plate (13) is located below the lower mold (9) in the groove (3), and a roller (15) is fixed on one end of the side plate (13), and A push rod (16) is vertically connected to the upper end of the side plate (13), and the push rod (16) is arranged in the side groove (4). 2.根据权利要求1所述的一种汽车车门冲压模具,其特征在于:所述立杆(2)关于工作台(1)的竖向中心轴线对称设置有4根,且立杆(2)与底板(7)贯穿连接。2. The automobile door stamping die according to claim 1, characterized in that: the vertical rods (2) are symmetrically arranged with four vertical central axes of the workbench (1), and the vertical rods (2) It is connected through with the bottom plate (7). 3.根据权利要求1所述的一种汽车车门冲压模具,其特征在于:所述下模具(9)的底部设置为等腰梯形结构,且下模具(9)与凹槽(3)吻合连接。3. A kind of automobile door stamping die according to claim 1, it is characterized in that: the bottom of described lower die (9) is set as isosceles trapezoid structure, and lower die (9) and groove (3) are fit and connected . 4.根据权利要求1所述的一种汽车车门冲压模具,其特征在于:所述下模具(9)和工作台(1)构成相对升降结构,且下模具(9)的顶部最小水平高度位于推杆(16)的底部之下。4. The automobile door stamping die according to claim 1, wherein the lower die (9) and the worktable (1) constitute a relative lifting structure, and the minimum horizontal height of the top of the lower die (9) is located at Below the bottom of the push rod (16). 5.根据权利要求1所述的一种汽车车门冲压模具,其特征在于:所述侧板(13)设计为“T”字型结构,且侧板(13)和工作台(1)构成伸缩结构,并且侧板(13)的一端通过滚轮(15)与下模具(9)相贴合。5. An automobile door stamping die according to claim 1, characterized in that: the side plate (13) is designed as a "T"-shaped structure, and the side plate (13) and the workbench (1) constitute a telescopic structure, and one end of the side plate (13) is fitted with the lower mold (9) through the roller (15). 6.根据权利要求1所述的一种汽车车门冲压模具,其特征在于:所述推杆(16)设置有2个,且推杆(16)的长度大于边槽(4)的长度。6 . The automobile door stamping die according to claim 1 , wherein two push rods ( 16 ) are provided, and the length of the push rods ( 16 ) is greater than the length of the side grooves ( 4 ). 7 .
CN201810879505.8A 2018-08-03 2018-08-03 A kind of automobile door stamping die Expired - Fee Related CN109226496B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810879505.8A CN109226496B (en) 2018-08-03 2018-08-03 A kind of automobile door stamping die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810879505.8A CN109226496B (en) 2018-08-03 2018-08-03 A kind of automobile door stamping die

Publications (2)

Publication Number Publication Date
CN109226496A true CN109226496A (en) 2019-01-18
CN109226496B CN109226496B (en) 2020-02-21

Family

ID=65070554

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810879505.8A Expired - Fee Related CN109226496B (en) 2018-08-03 2018-08-03 A kind of automobile door stamping die

Country Status (1)

Country Link
CN (1) CN109226496B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111922641A (en) * 2020-08-04 2020-11-13 无锡南方智能物流设备股份有限公司 Seamless assembly process for automobile body-in-white
CN115178655A (en) * 2022-02-10 2022-10-14 邢廷武 Automatic production line for stamping die

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202087723U (en) * 2011-06-02 2011-12-28 索尼数字产品(无锡)有限公司 Automatic discharge device for digital camera housing stamping waste
CN203197157U (en) * 2013-04-23 2013-09-18 安徽理工大学 Automatic U-shaped bending piece unloading device
CN203197156U (en) * 2013-04-23 2013-09-18 安徽理工大学 Automatic semi-coiling unloading device
CN203356467U (en) * 2013-07-16 2013-12-25 成都兴宇精密铸造有限公司 Automatic discharging device
CN204673882U (en) * 2015-05-05 2015-09-30 滁州现代模具制造有限公司 A kind of easily de-material rush seat shaping mould alive
CN205217801U (en) * 2015-12-21 2016-05-11 安庆中船动力配套有限公司 Crooked mould of work piece surface
CN206170560U (en) * 2016-09-13 2017-05-17 台州市黄岩恒大塑胶有限公司 Flower bed partition plate injection mold
CN107116156A (en) * 2017-06-18 2017-09-01 柴德维 Workpiece stripper apparatus for forcing press
CN207205045U (en) * 2017-09-26 2018-04-10 东莞优技五金模具有限公司 A metal processing mold with side discharge
CN108160812A (en) * 2017-12-30 2018-06-15 何淳浩 The punching device for discharging of pipe punching hole machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202087723U (en) * 2011-06-02 2011-12-28 索尼数字产品(无锡)有限公司 Automatic discharge device for digital camera housing stamping waste
CN203197157U (en) * 2013-04-23 2013-09-18 安徽理工大学 Automatic U-shaped bending piece unloading device
CN203197156U (en) * 2013-04-23 2013-09-18 安徽理工大学 Automatic semi-coiling unloading device
CN203356467U (en) * 2013-07-16 2013-12-25 成都兴宇精密铸造有限公司 Automatic discharging device
CN204673882U (en) * 2015-05-05 2015-09-30 滁州现代模具制造有限公司 A kind of easily de-material rush seat shaping mould alive
CN205217801U (en) * 2015-12-21 2016-05-11 安庆中船动力配套有限公司 Crooked mould of work piece surface
CN206170560U (en) * 2016-09-13 2017-05-17 台州市黄岩恒大塑胶有限公司 Flower bed partition plate injection mold
CN107116156A (en) * 2017-06-18 2017-09-01 柴德维 Workpiece stripper apparatus for forcing press
CN207205045U (en) * 2017-09-26 2018-04-10 东莞优技五金模具有限公司 A metal processing mold with side discharge
CN108160812A (en) * 2017-12-30 2018-06-15 何淳浩 The punching device for discharging of pipe punching hole machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111922641A (en) * 2020-08-04 2020-11-13 无锡南方智能物流设备股份有限公司 Seamless assembly process for automobile body-in-white
CN115178655A (en) * 2022-02-10 2022-10-14 邢廷武 Automatic production line for stamping die

Also Published As

Publication number Publication date
CN109226496B (en) 2020-02-21

Similar Documents

Publication Publication Date Title
CN204892625U (en) Pneumatics mould of bending that flattens
CN109226496B (en) A kind of automobile door stamping die
CN103752704B (en) Female die for drawing die and drawing die
CN207533802U (en) A kind of metal pipe material stamping die
CN208116537U (en) Basket stamping device
CN209598617U (en) A buckle assembly dismantling device
CN209632034U (en) An automatic basket forming machine for car basket production
CN116393645A (en) Punching and riveting device
CN207154484U (en) A kind of clamping die step-up system
CN107282721B (en) A clamping die booster and its working method
CN208558281U (en) A kind of extruded sheet production leveling platform
CN108031753A (en) A kind of mold and punching head, die case position offset mechanism
CN204503943U (en) A kind of fixed mechanism of mould safety screen
CN207076836U (en) A kind of folded plate section bar of rack nine rushes scarce device
CN221848452U (en) A continuous stamping steel sheet die device
CN219483916U (en) Profile processing mold
CN221694897U (en) Display screen bracket base punching device
CN216705563U (en) Bending structure of elevator part
CN209792376U (en) A lever type punching structure for automobile exhaust pipe
CN219583597U (en) Support integrated into one piece mould
CN222242255U (en) A material pulling device and spring sheet stamping die thereof
CN210253844U (en) Mounting structure of drawing die stripper
CN215544380U (en) A stainless steel forming machine
CN220679094U (en) Stamping die for sheet metal processing
CN220920571U (en) Stamping mechanism of connector

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20200117

Address after: 266111 Shandong Province, Qingdao city Chengyang District Green Industrial Park

Applicant after: Qingdao Haozhou Flexible Products Manufacturing Co.,Ltd.

Address before: 408200 No. 7, Group 1, Woodpecker Village, Sanhe Street, Fengdu County, Chongqing

Applicant before: Chen Lili

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200221

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