CN207308730U - One kind is with compact material pressing core multi-station mold - Google Patents

One kind is with compact material pressing core multi-station mold Download PDF

Info

Publication number
CN207308730U
CN207308730U CN201721206484.0U CN201721206484U CN207308730U CN 207308730 U CN207308730 U CN 207308730U CN 201721206484 U CN201721206484 U CN 201721206484U CN 207308730 U CN207308730 U CN 207308730U
Authority
CN
China
Prior art keywords
pressing core
material pressing
die holder
upper mold
slide block
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
CN201721206484.0U
Other languages
Chinese (zh)
Inventor
何鹏申
赖荣胜
李杭
卢桥
井芊
高双明
李伟浩
李月伟
徐晓明
徐肖
王肖英
王双枝
刘莉
王震
李辉
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.)
Anhui Jianghuai Automobile Group Corp
Original Assignee
Anhui Jianghuai Automobile Group Corp
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 Anhui Jianghuai Automobile Group Corp filed Critical Anhui Jianghuai Automobile Group Corp
Priority to CN201721206484.0U priority Critical patent/CN207308730U/en
Application granted granted Critical
Publication of CN207308730U publication Critical patent/CN207308730U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Forging (AREA)

Abstract

It is a kind of with compact material pressing core multi-station mold, upper mold seat and forming convax mould, material pressing core body and side reshaping device thereon, die holder and fission_typed punch and material jacking mechanism thereon, material pressing core body are fixedly connected through pressing core work position-limit mechanism to be pressed with upper mold seat;Side reshaping device is located at the both sides of material pressing core body and opposite upper mold seat is in tilted layout and has:Wedge slide block, the recessed V-type guide plate positioned at wedge slide block side, the side shaping insert below wedge slide block end, side shaping insert are engaged with fission_typed punch;Die holder also has:Inner side has the lower drive seat of the convex V guide plates with the cooperation of recessed V-type guide plate and slide-and-guide contact connectio, and with the longitudinally opposed lower stooling and correcting die that should coordinate of forming convax mould, it solves the problems such as existing dismounting inconvenience.

Description

One kind is with compact material pressing core multi-station mold
Technical field
The utility model is on one kind with compact material pressing core multi-station mold.
Background technology
Now, auto industry flourishes, and mould industry is a part for auto industry.Mould is production automobile body-in-white The important tool of plate.Reduce cost on the premise of ensureing product quality it is particularly important that.
Automobile die technology field is to reduce the mechanism of cost it is particularly important that for the processing and manufacturing of long narrow moulding plate.
Utility model content
The purpose of this utility model is to solve existing narrow and long pieces material pressing core arrangement to cause the increasing of die size needs very much, from And increase cost, solve the problem such as material pressing core dismounting inconvenience, the bad setting of side reshaping device.
To realize above-mentioned technical purpose, the utility model provides one kind with compact material pressing core multi-station mold, it includes:Peace Forming convax mould, material pressing core body and side reshaping device mounted in upper mold seat, and the fission_typed punch installed in die holder and top Expect mechanism, wherein:The material pressing core body is through pressing core work position-limit mechanism to be fixedly connected with upper mold seat press fitting;The side is whole Shape mechanism is located at the both sides of the material pressing core body and relatively described upper mold seat is in tilted layout and has:Wedge slide block, positioned at institute The recessed V-type guide plate of wedge slide block side is stated, the side shaping insert below the wedge slide block end, the side shaping insert It is engaged with the fission_typed punch;The die holder also has:There is convex V to lead for lower drive seat, the inner side of the lower drive seat Plate, the recessed V-type guide plate is engaged with the convex V guide plates and slide-and-guide connects;It is longitudinally opposed with the forming convax mould The lower stooling and correcting die that should coordinate.
As a further improvement, the pressure core work position-limit mechanism includes:Through safe spacing bolt and the upper mold seat The limit base of threaded connection, and with the bolted work limiting plate of the limit base, and the material pressing core body both ends position Between the limit base and the work limiting plate.
As a further improvement, the side reshaping device also has:Transverse direction above the wedge slide block end The pressing plate of arrangement and the flipper guide being longitudinally arranged;And the side reshaping device is through the pressing plate and the fixed company of upper mold seat press fitting Connect, the wedge slide block is connected through slide-and-guide between the flipper guide and die holder.
As a further improvement, the side reshaping device also has:Elasticity above the wedge slide block side Buffer unit, the caging bolt positioned at the wedge slide block bottom, the upper driving guide plate positioned at the wedge slide block bottom, is located at The wedge slide block bottom and with the resetting spring mechanism of the upper mold seat phase lateral connection.
As a further improvement, the side reshaping device also has positioned at the wedge slide block end and to extending laterally The pressure backhaul of arrangement hooks, and has on the end of the lower drive seat and hooks matched backhaul hook with the pressure backhaul;It is described Lower drive seat also has:The driving guide plate on surface on its inside, the driving guide plate and the wedge slide block phase slide-and-guide Connect.
As a further improvement, have on the die holder:Positioning key and adjustment key, described in fission_typed punch warp Positioning key and the adjustment key and the die holder location and installation.
As a further improvement, have on the upper mold seat:Balance columns, guide plate and the nitrogen cylinder being longitudinally arranged, are located at The dead block of upper mold pier in binder region;Have on the die holder:The dead block of lower die pier positioned at the lower stooling bottom, is longitudinally arranged Polyurethane bumper absorber, with the balance columns coordinate balance extension bar via, led between the upper mold seat and the die holder To connection guide post.
As a further improvement, also there is the barricade for being connected the lower drive seat and the die holder on the die holder Jacking block.
As a further improvement, the top of the fission_typed punch has the locating piece positioned along feeding direction.
As a further improvement, have on the die holder:The transport for connecting the upper mold seat and the die holder connects Fishplate bar, and storage block.
To be a kind of with compact material pressing core multi-station mold, compact material pressing core designs the present invention when passing through press fitting, solves existing There is narrow and long pieces material pressing core arrangement to cause die size needs to increase very much, so as to increase cost, solution material pressing core dismounting is inconvenient, The problems such as the bad setting of side reshaping device.
Brief description of the drawings
Fig. 1 is upper mold seat schematic diagram;
Fig. 2 is side reshaping device and pressure core work position-limit mechanism schematic diagram;
Fig. 3 is material pressing core schematic diagram;
Fig. 4 is die holder schematic diagram;With
Fig. 5 is die cut view.
Reference numeral:10 upper mold seats;11 forming terrace dies;12 balance columns;13 guide plates;14 pressure core work position-limit mechanisms;141 limits Position seat;142 work limiting plates;15 material pressing core bodies;16 side reshaping devices;161 recessed V-type guide plates;162 wedge slide blocks;163 elasticity Buffer unit;164 force backhaul to hook;165 pressing plates;166 flipper guides;167 caging bolts;Guide plate is driven on 168;169 reset bullet Spring mechanism;1610 side shaping inserts;17 safe spacing bolts;The 18 dead blocks of upper mold pier;19 nitrogen cylinders;20 die holders;21 liftout machines Structure;22 fission_typed punchs;23 times stoolings;The 24 dead blocks of lower die pier;25 correcting dies;26 adjustment keys;27 positioning keys;28 backhauls hook; 29 polyurethane bumper absorbers;30 balance extension bar vias;31 guide posts;32 transport connecting plates;33 storage blocks;34 jacking blocks;35 times drive seats; 36 convex V guide plates;37 driving guide plates;38 locating pieces.
Embodiment
As shown in Fig. 1 to 5, the utility model provides one kind with compact material pressing core multi-station mold, it includes:Installed in upper Forming convax mould 11, material pressing core body 15 and the side reshaping device 16 of die holder 10, and the fission_typed punch installed in die holder 20 22 and material jacking mechanism 21, wherein:The material pressing core body 15 is solid through pressing core work position-limit mechanism 14 and the upper mold seat 10 to be pressed Fixed connection;The side reshaping device 16 is located at the both sides of the material pressing core body 15 and relatively described upper mold seat 10 is in tilted layout and Have:Wedge slide block 162, the recessed V-type guide plate 161 positioned at 162 side of wedge slide block, positioned at 162 end of wedge slide block Side shaping insert 1610 below portion, the side shaping insert 1610 are engaged with the fission_typed punch 22;The die holder 20 also have:Lower drive seat 35, the inner side of the lower drive seat 35 have a convex V guide plates 36, the recessed V-type guide plate 161 with it is described Convex V guide plates 36 are engaged and slide-and-guide connects;The lower stooling 23 that should coordinate longitudinally opposed with the forming convax mould 11 and Correcting die 25.
As a further improvement, the pressure core work position-limit mechanism 14 includes:Through safe spacing bolt 17 with it is described on The limit base 141 that die holder 10 is threadedly coupled, and with the bolted work limiting plate 142 of the limit base 141, and the binder The both ends of core body 15 are between the limit base 141 and the work limiting plate 142.
As a further improvement, the side reshaping device 16 also has:Above 162 end of wedge slide block Lateral arrangement pressing plate 165 and the flipper guide 166 that is longitudinally arranged;And the side reshaping device 16 is through the pressing plate 165 and institute State the press fitting of upper mold seat 10 to be fixedly connected, the wedge slide block 162 is contacted through slide-and-guide between the flipper guide 166 and die holder Connection.
As a further improvement, the side reshaping device 16 also has:Above 162 side of wedge slide block Elastic buffering mechanism 163, the caging bolt 167 positioned at 162 bottom of wedge slide block, positioned at 162 bottom of wedge slide block The upper driving guide plate 168 in portion, positioned at 162 bottom of wedge slide block and with the reset bullet of the 10 phase lateral connection of upper mold seat Spring mechanism 169.
As a further improvement, the side reshaping device 16 also has positioned at 162 end of wedge slide block and to horizontal stroke 164 are hooked to the pressure backhaul being disposed to extend, has on the end of the lower drive seat 35 and is engaged with the pressure backhaul hook 164 Backhaul hook 28;The lower drive seat 35 also has:The driving guide plate 37 on surface on its inside, the driving guide plate 37 and institute State 162 phase slide-and-guide of wedge slide block contact connectio.
As a further improvement, have on the die holder 20:Positioning key 27 and adjustment key 26, the fission_typed punch 22 through the positioning key 27 and the adjustment key 26 and 20 location and installation of die holder.
As a further improvement, have on the upper mold seat 10:Balance columns 12, guide plate 13 and the nitrogen cylinder being longitudinally arranged 19, the dead block 18 of upper mold pier positioned at binder region;Have on the die holder 20:Lower die pier positioned at lower 23 bottom of stooling Dead block 24, the polyurethane bumper absorber 29 being longitudinally arranged, the balance extension bar via 30 coordinated with the balance columns 12, on described Connection guide post 31 is oriented between die holder 10 and the die holder 20.
As a further improvement, also have on the die holder 20 be connected the barricade of the lower drive seat 35 with it is described under The jacking block 34 of die holder 20.
As a further improvement, the top of the fission_typed punch 22 has the locating piece 38 positioned along feeding direction.
As a further improvement, have on the die holder 20:Connect the upper mold seat 10 and the die holder 20 Transport connecting plate 32, and storage block 33.
The utility model is two-step (bending → side shaping) multistation, shown in Fig. 1-5 specific as follows.Its critical piece and Technical characteristic is as follows:
Wherein, core work position-limit mechanism 14 is pressed to include:
Limit base 141, its height are needed by stroke, and upper mold seat 10 is installed on by bolt;
Work limiting plate 142, is bolted with limit base 141.
Wherein, side reshaping device 16 includes:
Recessed V-type guide plate 161, the recessed V guide plates 36 being fitted in lower drive seat 35 realize the anti-torsion of wedge mechanism, are oriented to;
Wedge slide block 162, for installation side shaping insert 1610 and related guiding, limit element;
Elastic buffering mechanism 163, buffers for wedge slide block Flexible Reset;
Force backhaul to hook 164, coordinate the backhaul hook 28 in lower drive seat 35 to complete multiple after resetting spring element 169 fails Position;
Pressing plate 165, upper mold seat 10 is fitted in by wedge mechanism, spacing/to be oriented to;
Flipper guide 166, for motion guide between wedge slide block both sides and die holder;
Caging bolt 167, for wedge slide block safe spacing;
Upper driving guide plate 168, is oriented to for being driven on the upside of wedge slide block between upper mold seat;
Resetting spring mechanism 169, for wedge slide block reset drives, on upper mold seat 10;
Side shaping insert 1610, coordinates fission_typed punch, adds material pressing core binder, completes side trimming.
The utility model is to be a kind of with compact material pressing core multi-station mold, and compact material pressing core designs when passing through press fitting, solution It is many that certainly existing narrow and long pieces material pressing core arrangement causes die size needs to increase, so as to increase cost, solves material pressing core dismounting not It is convenient, the problem such as bad setting of side reshaping device.
The narrow and long pieces press fitting compact material pressing core that this case provides, in side during shaping, without design framework material pressing core, makes mould Size is more compact, so as to save frock cost, while solves material pressing core dismounting inconvenience, the difficulty such as bad setting of side reshaping device Topic.Balancing pole mechanism is set at the same time, coordinates sliding block lathe mandril, ensures that both mold ends mandril binder is balanced, protects mould and machine Bed.
Specific work process:Lower retainer core jacks up (balancing pole mechanism side mandril synchronously jacks up) extremely under lathe top rod driving Higher than female die for forming height+10-15mm, presser or manipulator are by blank placement and retainer core, and top shoe is with upper mold OK, forming terrace die 11 contacts blank (at the same time balancing contact equilibrium mandril), drives retainer core downlink, completes female die for forming Bending content, balancing pole mechanism drive balance post rod downlink at the same time, play balance post rod pressure, protect mould and lathe, upper mold Retract, mandril jacks up, and the bending process part in retainer core is jacked up the-the first station completes;Then the process part processing by bending leads to Cross presser or machinery is manually placed on fission_typed punch 22, carry out second station:Upper mold downlink (during the beginning, material pressing core body 15 It is hung on pressing plate 141), material pressing core and wedge mechanism downlink are driven, material pressing core body 15 contacts bending process part and starts precompressed, Synchronous wedge slide block contact driving guide plate 37 and convex V guide plates 36, wedge mechanism start to move along side shaping direction, are inlayed to side shaping Block 1610 coordinates fission_typed punch 22 to complete side trimming, and upper mold retracts, and wedge mechanism drives in resetting spring element 169 Lower reset, by elastic buffering mechanism 163, carries out Flexible Reset buffering, lower die material jacking mechanism 21 is synchronous to jack up product, and product is complete Into second station stamping press, die cavity is taken out by presser or manipulator, process is made before at the same time the first station carries out Industry, in cycles.
It should be appreciated that the utility model scope of the claimed is not limited to non-limiting embodiments, it should be understood that non-limiting reality Scheme is applied to illustrate as just example.The desired substantive protection domain of the application is more embodied in independent claims The scope of offer, and its dependent claims.

Claims (10)

  1. With compact material pressing core multi-station mold, 1. it includes one kind:Forming convax mould (11), material pressing core installed in upper mold seat (10) Body (15) and side reshaping device (16), and fission_typed punch (22) and material jacking mechanism (21) installed in die holder (20), It is characterized in that:
    The material pressing core body (15) is through pressing core work position-limit mechanism (14) to be fixedly connected with the upper mold seat (10) press fitting;
    The side reshaping device (16) is located at the both sides of the material pressing core body (15) and relatively described upper mold seat (10) tilts cloth Put and have:Wedge slide block (162), the recessed V-type guide plate (161) positioned at the wedge slide block (162) side, positioned at the inclined wedge Side shaping insert (1610) below sliding block (162) end, the side shaping insert (1610) and the fission_typed punch (22) It is engaged;
    The die holder (20) also has:Lower drive seat (35), the inner side of the lower drive seat (35) have convex V guide plates (36), The recessed V-type guide plate (161) is engaged with the convex V guide plates (36) and slide-and-guide connects;With the forming convax mould (11) the longitudinally opposed lower stooling (23) and correcting die (25) that should coordinate.
  2. 2. one kind as claimed in claim 1 is with compact material pressing core multi-station mold, it is characterised in that:The pressure core work is spacing Mechanism (14) includes:The limit base (141) being threadedly coupled through safe spacing bolt (17) with the upper mold seat (10), and with it is described The bolted work limiting plate (142) of limit base (141), and the both ends of the material pressing core body (15) are located at the limit base (141) between the work limiting plate (142).
  3. 3. one kind as claimed in claim 2 is with compact material pressing core multi-station mold, it is characterised in that:
    The side reshaping device (16) also has:The pressing plate of lateral arrangement above the wedge slide block (162) end (165) and the flipper guide (166) that is longitudinally arranged;And
    The side reshaping device (16) is fixedly connected through the pressing plate (165) with the upper mold seat (10) press fitting, and the inclined wedge is slided Through the flipper guide (166), the slide-and-guide between die holder connects block (162).
  4. 4. one kind as claimed in claim 3 is with compact material pressing core multi-station mold, it is characterised in that:
    The side reshaping device (16) also has:Elastic buffering mechanism above the wedge slide block (162) side (163), positioned at the caging bolt (167) of the wedge slide block (162) bottom, positioned at the upper of the wedge slide block (162) bottom Drive guide plate (168), positioned at the wedge slide block (162) bottom and with the resetting spring of the upper mold seat (10) phase lateral connection Mechanism (169).
  5. 5. one kind as claimed in claim 4 is with compact material pressing core multi-station mold, it is characterised in that:
    The side reshaping device (16) also has positioned at the wedge slide block (162) end and is returned to the pressure for extending laterally arrangement Journey hooks (164), has on the end of the lower drive seat (35) and hooks (164) matched backhaul hook with the pressure backhaul (28);
    The lower drive seat (35) also has:The driving guide plate (37) on surface on its inside, the driving guide plate (37) and institute State wedge slide block (162) phase slide-and-guide contact connectio.
  6. 6. one kind as claimed in claim 5 is with compact material pressing core multi-station mold, it is characterised in that:
    Have on the die holder (20):Positioning key (27) and adjustment key (26), the fission_typed punch (22) is through the positioning Key (27) and the adjustment key (26) and the die holder (20) location and installation.
  7. 7. one kind as claimed in claim 6 is with compact material pressing core multi-station mold, it is characterised in that:
    Have on the upper mold seat (10):Balance columns (12), guide plate (13) and the nitrogen cylinder (19) being longitudinally arranged, positioned at binder area The dead block of upper mold pier (18) in domain;
    Have on the die holder (20):The dead block of lower die pier (24) positioned at lower stooling (23) bottom, what is be longitudinally arranged is poly- Urethane buffer (29), the balance extension bar via (30) coordinated with the balance columns (12), in the upper mold seat (10) and described Connection guide post (31) is oriented between die holder (20).
  8. 8. one kind as claimed in claim 7 is with compact material pressing core multi-station mold, it is characterised in that:On the die holder (20) Also there is the jacking block (34) of the barricade with the die holder (20) that are connected the lower drive seat (35).
  9. 9. one kind as claimed in claim 8 is with compact material pressing core multi-station mold, it is characterised in that:The fission_typed punch (22) top has the locating piece (38) positioned along feeding direction.
  10. 10. one kind as claimed in claim 9 is with compact material pressing core multi-station mold, it is characterised in that:The die holder (20) On have:Connect the transport connecting plate (32) of the upper mold seat (10) and the die holder (20), and storage block (33).
CN201721206484.0U 2017-09-19 2017-09-19 One kind is with compact material pressing core multi-station mold Expired - Fee Related CN207308730U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721206484.0U CN207308730U (en) 2017-09-19 2017-09-19 One kind is with compact material pressing core multi-station mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721206484.0U CN207308730U (en) 2017-09-19 2017-09-19 One kind is with compact material pressing core multi-station mold

Publications (1)

Publication Number Publication Date
CN207308730U true CN207308730U (en) 2018-05-04

Family

ID=62383183

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721206484.0U Expired - Fee Related CN207308730U (en) 2017-09-19 2017-09-19 One kind is with compact material pressing core multi-station mold

Country Status (1)

Country Link
CN (1) CN207308730U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108787882A (en) * 2018-09-14 2018-11-13 安徽江淮汽车集团股份有限公司 A kind of multi-station mold
CN110842087A (en) * 2019-11-19 2020-02-28 厦门金龙汽车车身有限公司 Cylinder-driven side shaping lower die mechanism
CN114378198A (en) * 2022-01-11 2022-04-22 安徽江淮汽车集团股份有限公司 Shaping wedge mechanism with double side pressing cores
CN118080702A (en) * 2024-04-29 2024-05-28 华翔金属科技股份有限公司 Thermoforming side wall wedge forming equipment and forming method thereof
CN119951939A (en) * 2025-02-25 2025-05-09 广西艾盛创制科技有限公司 A reusable common mold frame and wedge mechanism for trial-produced beam side shaping

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108787882A (en) * 2018-09-14 2018-11-13 安徽江淮汽车集团股份有限公司 A kind of multi-station mold
CN108787882B (en) * 2018-09-14 2019-06-04 安徽江淮汽车集团股份有限公司 A kind of multi-station mold
CN110842087A (en) * 2019-11-19 2020-02-28 厦门金龙汽车车身有限公司 Cylinder-driven side shaping lower die mechanism
CN114378198A (en) * 2022-01-11 2022-04-22 安徽江淮汽车集团股份有限公司 Shaping wedge mechanism with double side pressing cores
CN114378198B (en) * 2022-01-11 2023-08-22 安徽江淮汽车集团股份有限公司 Shaping wedge mechanism with double-side pressing cores
CN118080702A (en) * 2024-04-29 2024-05-28 华翔金属科技股份有限公司 Thermoforming side wall wedge forming equipment and forming method thereof
CN118080702B (en) * 2024-04-29 2024-07-30 华翔金属科技股份有限公司 Thermoforming side wall wedge forming equipment and forming method thereof
CN119951939A (en) * 2025-02-25 2025-05-09 广西艾盛创制科技有限公司 A reusable common mold frame and wedge mechanism for trial-produced beam side shaping

Similar Documents

Publication Publication Date Title
CN207308730U (en) One kind is with compact material pressing core multi-station mold
CA2586049C (en) Draw forming method and device
CN203044640U (en) Stripper plate inner sliding block die
CN208050746U (en) A kind of damping diel for auto parts processing
CN106583567B (en) Anti-deformation machining die
CN213856857U (en) Forging and pressing tool with clamping mechanism for part machining
CN209174714U (en) Punching press shaping equipment for punching press auto pedal
CN104971993A (en) Three-purpose rolling die provided with guide columns capable of being moved out and achieving combination and switching of upper die bodies and lower die bodies
CN214866690U (en) Refrigerator bottom plate stamping device
CN103878240A (en) Forming and shaping die of automobile engine exhaust system manifold
CN213104098U (en) Continuous stamping die for metal stamping
CN211250549U (en) A kind of multi-station porcelain stamping die
CN206104691U (en) Center cellular type direction connecting piece stamping die
CN205798168U (en) For processing the bending die of Z-shaped support
CN201147806Y (en) Large angle compact inclined wedge mechanism for punching
CN221246634U (en) Stamping die with flatness detection structure
CN211539113U (en) Buffer device for punch press
CN103599979B (en) Pneumatic muscle horizontal punching machine
CN107186077A (en) A kind of Z-shaped part bending die
CN206382420U (en) A kind of shockproof auto parts diel
CN214820200U (en) Guide rail device of automobile carpet hot-pressing composite tool
CN203409058U (en) Pneumatic muscle actuator horizontal punching machine
CN213353691U (en) Press with maintenance safety device
CN203764756U (en) Guide pillar moving-out type three-in-one raising die with combination mode of upper die and lower die varied
CN207170628U (en) A kind of new blanking die

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180504

Termination date: 20200919

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