CN206288557U - A kind of piston rod manufactures conveying device - Google Patents

A kind of piston rod manufactures conveying device Download PDF

Info

Publication number
CN206288557U
CN206288557U CN201621295700.9U CN201621295700U CN206288557U CN 206288557 U CN206288557 U CN 206288557U CN 201621295700 U CN201621295700 U CN 201621295700U CN 206288557 U CN206288557 U CN 206288557U
Authority
CN
China
Prior art keywords
piston rod
carriage
roller
installing plate
conveying device
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
CN201621295700.9U
Other languages
Chinese (zh)
Inventor
徐有文
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.)
Ningbo Boling Industry Pml Precision Mechanism Ltd
Original Assignee
Ningbo Boling Industry Pml Precision Mechanism 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 Ningbo Boling Industry Pml Precision Mechanism Ltd filed Critical Ningbo Boling Industry Pml Precision Mechanism Ltd
Priority to CN201621295700.9U priority Critical patent/CN206288557U/en
Application granted granted Critical
Publication of CN206288557U publication Critical patent/CN206288557U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Coating Apparatus (AREA)

Abstract

The utility model discloses a kind of piston rod manufacture conveying device,The transporting velocity for solving conveying device when piston rod is manufactured correspondingly upper actual operating mode can not be adjusted,Cause the problem that piston rod is damaged,Its drip irrigation device is a kind of piston rod manufacture conveying device,Including carriage,Carriage is arranged at intervals with some loading plates and the installing plate being articulated with loading plate along its length,Some rotation directions are installed on installing plate to be inclined with conveying direction,The roller of delivery chute is formed each other,The actuator of driving rolls rotation is installed on carriage,Installing plate near the side of carriage be provided with sliding inlay card on carriage to adjust the pull bar of the angle of installing plate and loading plate,A kind of piston rod manufacture conveying device of the present utility model,The transporting velocity of the pair of rollers piston rod of conveyor piston bar can be adjusted,Change the speed of conveying with needed for adapting to various operating modes.

Description

A kind of piston rod manufactures conveying device
Technical field
The utility model is related to the manufacturing equipment of piston rod, more particularly to a kind of piston rod manufacture conveying device.
Background technology
Piston rod is the connection member of supporting piston acting, and major applications are in oil cylinder, cylinder moving execution unit The moving component that one motion is frequent, technical requirements are high.Piston rod manufacture when, because its surface smoothness requirements compares Height is, it is necessary to by repeatedly surface treatment, at present more by the way of automatic transport, but when conveying, the speed of conveying is protected Hold constant, when industrially production, it is impossible to which correspondence operating mode is adjusted, when piston rod is piled up, due to can not be fast Speed is efficiently transferred in next operation, causes piston rod that abrasion is caused during accumulation, is even resulted in piston rod and is ruined Space that is bad, could be improved.
Utility model content
The purpose of this utility model is to provide a kind of piston rod manufacture conveying device, can be to the pair of rollers of conveyor piston bar The transporting velocity of piston rod is adjusted, and changes the speed of conveying with needed for adapting to various operating modes.
Above-mentioned technical purpose of the present utility model technical scheme is that:
A kind of piston rod manufactures conveying device, including carriage, and the carriage is arranged at intervals with some along its length Loading plate and the installing plate being articulated with loading plate, be provided with the installing plate some rotation directions inclined with conveying direction, The roller of delivery chute being formed each other, the actuator of driving rolls rotation being installed on the carriage, the installing plate is leaned on The side of nearly carriage be provided with sliding inlay card on carriage to adjust the pull bar of installing plate and the angle of loading plate.
Using such scheme, the manufacture conveying of piston rod is carried out on carriage, loading plate is supported on carriage, Piston rod can be supported in carriage enterprising between-line spacing every the loading plate and installing plate for setting so that piston rod is in conveying When stabilization, be difficult to fall;Form delivery chute on installing plate between some rollers on a mounting board, piston rod can be relative Transmission is supported between roller, the rotation of actuator driving rolls, the rotation direction and conveying direction of roller are inclined to set so that Roller can drive the piston rod between being placed in roller to be transmitted when rotating, and realize the conveying of piston rod;Installing plate and Loading plate is hinged and the pull bar of installing plate side can drive the Angulation changes of installing plate and loading plate, and then changes installing plate On roller and conveying direction angle change, realize the angular adjustment of pair roller, the Angulation changes of roller are placed on roller The speed that is transmitted of piston rod be changed accordingly, reach the adjustment to piston rod transporting velocity, adapt to be needed under various working The optimal transporting velocity wanted is adjusted.
Preferably, the end face of the loading plate is protruding with fix bar, the installing plate includes being connected to the of loading plate One panel and the second panel perpendicular to first panel and for installing roller, the first panel are sheathed on fix bar.
Using such scheme, can be set in installing plate above by the fix bar that the end face of loading plate is protruded above, and realize peace Flexible connection between dress plate and loading plate so that installing plate is only capable of being rotated around fix bar, will not be shifted over causing rotation When roller angle change so that adjustment installing plate and loading plate between position it is more convenient controllable.
Preferably, the end face of the loading plate is protruding with adjusting rod to the side of first panel, the first panel The deep-slotted chip breaker worn for adjusting rod as the center of circle with fix bar is offered on end face.
Using such scheme, loading plate can be worn in most dear first panel to the adjusting rod that first panel side is protruded Volume deep-slotted chip breaker in, the center of circle of deep-slotted chip breaker corresponds to the fix bar on loading plate so that installing plate can smoothly around fixation Bar is rotated accordingly, and when installing plate and loading plate angle is carried out, angle change between the two will not be excessive, angle Degree change is controlled in the slewing area corresponding to deep-slotted chip breaker, can change the angle of inclination of roller to reach transporting velocity Change, cause conveying to fail while being avoided that rotational angle is excessive.
Preferably, the both ends of the surface of the second panel be fixedly connected with for roller install pole, the pole away from The side of installing plate is provided with second bolt in the axle center for being arranged in roller.
Using such scheme, the pole being fixedly connected in the both ends of the surface of first panel, and roller shaft is arranged on pole Second bolt of the heart, can by roller stabilization installed in the position higher than installing plate and loading plate so that roller not with conveying Frame has contact, and when conveyor piston bar, piston rod will not be touched easily by the various parts on carriage, and it is right to reduce Loss in piston rod course of conveying.
Preferably, the carriage is provided with the baffle plate for being connected to some installing plates along its length, the baffle plate and Connection is equipped with the 3rd bolt on installing plate.
Using such scheme, the baffle plate that elongatedness direction is set on carriage all connects some installing plates on carriage Get up, the together action of the installing plate on barrier driving carriage reduces operational sequence during regulation, is worn on baffle plate and installing plate If the 3rd bolt baffle plate and installing plate are fixedly mounted so that installation more firmly, moved along conveying direction in baffle plate When, the installing plate connected with baffle plate can together move corresponding displacement, and changing for equal angular is realized between loading plate Become so that always, when conveying more smoothly, it is also more convenient to operate, and saves for the angle between roller on carriage Shi Shengli.
Preferably, the pull bar is articulated with baffle plate, the pull bar is protruding with fixture block near the side of the side wall of carriage, The side wall of the carriage offers the hole clipping of some confession fixture block inlay cards along conveying direction.
Using such scheme, pull bar is articulated with baffle plate, can realize the rotation on baffle plate, is entered with finding suitable angle Pulling of the row to baffle plate, the enhanced convenience that operates is laborsaving, and pull bar can near the fixture block that the side of carriage side wall is protruded The hole clipping that inlay card is opened up on the side wall of carriage, when baffle plate is pulled mobile by pull bar after, the fixture block of pull bar can inlay card exist In hole clipping, the stationary positioned to pull bar is realized, to realize being positioned to adjusting angle, baffle plate will not be moved easily, be made Use and more stablize.
Preferably, the junction of the pull bar and baffle plate is equipped with the half-thread bolt on the end face for being connected to pull bar.
Using such scheme, the half-thread bolt end of thread that the junction of pull bar and baffle plate wears can be screwed on gear Plate so that installation more firmly, non-threaded section can realize being arranged for pull bar, and the friction that pull bar is rotated around bolt is more It is small, pull bar rotate drive when more smoothly.
Preferably, the actuator includes the electricity that the rotating shaft set along carriage length direction and drive shaft are rotated Machine, the end face that the roller is relatively distant from installing plate is protruding with draw-in groove, and being arranged with integrated card in the rotating shaft is embedded in draw-in groove Belt pulley.
Using such scheme, replace manually carrying out the transmission operation of rotating shaft, the draw-in groove energy on the end face of roller using motor Enough supply belt pulley inlay card, axis of rotation that the rotation of roller is together driven when driving belt pulley to be rotated so that when operation More automate.
Preferably, the end face of the loading plate is equipped with the 4th bolt that fixing card is embedded in carriage.
Using such scheme, what the 4th bolt worn on the end face of loading plate can be stablized is arranged on conveying by loading plate On frame, realize the stabilization of support, while settings of bolt can facilitate the dismounting of loading plate, in order to the maintenance to loading plate with Change.
In sum, the utility model has the advantages that:
1st, setting for some loading plates, installing plate and roller can stably be supported, the rotation direction of roller and defeated side To the operation that is shifted of piston rod being obliquely installed can realizing roller when rotating being placed on roller so that Piston rod can under the drive of roller along conveying direction move, reduce piston rod conveying when and equipment contact area, and then Reduce the abrasion to piston rod;
2nd, baffle plate and installing plate are fixedly connected, and can realize that the overall angle of installing plate is adjusted in the case where the sliding of baffle plate is mobile It is whole, so realize to conveyed on carriage roller control, it is consistent to reach the inclined angle of roller, conveying when Time more stablizes smooth, and pull bar is articulated with baffle plate, can facilitate the operation to baffle plate, cumbersome and laborious during reduction operation, Prominent adjusting rod cooperates on deep-slotted chip breaker and loading plate in the first panel of installing plate so that installing plate can be around solid When fixed pole is rotated, the angle of rotation is adjusted in the range of deep-slotted chip breaker is controlled, it is to avoid installing plate rotational angle is excessive Cause to be conveyed piston rod between roller so that conveying is more stablized, while being realized under the driving of actuator The operation of automation, realizes needed for different to reply operating modes on carriage, carries out the regulation of corresponding transporting velocity.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the partial structural diagram of the present embodiment;
Fig. 3 is the enlarged drawing in A portions in Fig. 2;
Fig. 4 is the partial exploded view of the present embodiment;
Fig. 5 is the enlarged drawing in B portions in Fig. 4.
In figure:1st, carriage;11st, hole clipping;2nd, loading plate;21st, fix bar;22nd, adjusting rod;23rd, the 4th bolt;3rd, install Plate;31st, first panel;32nd, second panel;33rd, pole;34th, the second bolt;35th, deep-slotted chip breaker;4th, baffle plate;41st, pull bar;411、 Fixture block;42nd, half-thread bolt;43rd, the 3rd bolt;5th, actuator;51st, motor;52nd, rotating shaft;53rd, belt pulley;6th, roller;7th, machine Body.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figures 1 to 5, a kind of piston rod manufacture conveying device disclosed in the present embodiment, including body 7, Yi Jiwei In the carriage 1 for being used to convey on body 7, carriage 1 lays loading plate 2 along its conveying direction interval is uniform, and loading plate 2 leads to Cross the 4th bolt 23 to be fixed on carriage 1, carriage 1 is provided with installing plate 3 in the top of loading plate 2, installed on installing plate 3 There are two rollers 6 for being mutually inclined dislocation, some groups of combinations of roller 6 are arranged on carriage 1 and form support conveyor piston bar Transmission channel.
As shown in Figures 2 and 3, shown, loading plate 2 is fixed on carriage 1, the installation of the upper surface installation of loading plate 2 Plate 3 includes being connected to the first panel 31 of loading plate 2 and is integrally connected to first panel 31 and perpendicular to the of first panel 31 Two panels 32, two end faces of second panel 32 are inclined with the conveying direction of carriage 1, and the both sides end face of second panel 32 is fixed Pole 33 is installed, mutually have a certain degree inclination between the pole 33 of both sides, pole 33 is installed away from one end of installing plate 3 There is roller 6.Pole 33 and roller 6 wear fixation by the second bolt 34, and the second bolt 34 is preferably through the axle center of roller 6, So that roller 6 rotate more stablize, the end face of two rollers 6 is parallel, pole 33 cause roller 6 between formed dislocation, roller 6 it Between dislocation angle formed delivery chute be used for lay piston rod, piston rod convey between two rollers 6 close to each other, roll When rotating, the piston rod being placed on roller 6 can be conveyed wheel 6 due to the displacement with the end face of roller 6 along transmission direction.
As shown in Figures 2 and 3, carriage 1 is provided with actuator 5 in the lower end of one end of close carriage 1 of loading plate 2, Actuator 5 includes the motor 51 that the rotating shaft 52 set along the length direction of carriage 1 and drive shaft 52 are rotated, two rollers 6 The end face side being relatively distant from is respectively provided with the projection with draw-in groove, and the belt pulley that integrated card is embedded in draw-in groove is arranged with rotating shaft 52 53, drive component is provided with rotating shaft 52 in the centre of carriage 1 along conveying direction, and rotating shaft 52 is connected with motor in conveying porch 51, the drive rod drive shaft 52 of motor 51 is rotated, and the corresponding position of roller 6 is provided with annulus wheel, belt in rotating shaft 52 Wheel 53 is set in the draw-in groove of annulus wheel and projection, when motor 51 drives to be rotated, under the drive with belt pulley 53, and roller 6 are rotated, and piston rod is supported and transmitted by some groups of roller 6.
As shown in Figures 4 and 5, end face of the loading plate 2 near the side of installing plate 3 is protruding with fix bar 21, in installing plate 3 End face on offer and coordinate the hinge hole that is movably hinged of fix bar 21, installing plate 3 can be enterprising in loading plate 2 around fix bar 21 Row rotation regulation;Installing plate 3 offers deep-slotted chip breaker 35 in the position near the side of carriage 1, and the center of circle of deep-slotted chip breaker 35 corresponds to Fix bar 21 on loading plate 2, loading plate 2 is protruding with adjusting rod 22 in the position of deep-slotted chip breaker 35, and installing plate 3 is all the time around fixation When bar 21 is rotated, adjusting rod 22 is fixed, and the movement inlay card of deep-slotted chip breaker 35 lives adjusting rod 22, side card of the carriage 1 in deep-slotted chip breaker 35 Baffle plate 4 is installed to cover on installing plate 3, perforation is offered on the end face of baffle plate 4, correspondence is offered on the end face of installing plate 3 In the screwed hole of perforation, baffle plate 4 and installing plate 3 are fixed together by the 3rd bolt 43 so that the mobile drive of baffle plate 4 is installed The rotation of plate 3;Baffle plate 4 is connected with pull bar 41 in the position of conveying entrance, and pull bar 41 is hinged on baffle plate 4, pull bar 41 and baffle plate 4 Junction be equipped with the half-thread bolt 42 being connected on the end face of pull bar 41, can be around the conveying direction perpendicular to baffle plate 4 Rotate, pull bar 41 can pull baffle plate 4 along conveying direction, the installing plate 3 for being fixed on baffle plate 4 can be with the pulling one of pull bar 41 Rise and rotate, deep-slotted chip breaker 35 can carry out spacing, prevent pull bar 41 to be pulled through head, and roller 6 is controlled in arc with the angle adjustment of carriage 1 Groove 35 and the angle for rotating joined together of adjusting rod 22.
Pull bar 41 is rotatably mounted on one end that baffle plate 4 is located at conveying entrance, and the end face of the laminating carriage 1 of pull bar 41 is protruded above There is fixture block 411, offer some hole clippings 11 corresponding to fixture block 411, the position of each hole clipping 11 on carriage 1 along its length The pull distance of pull bar 41 corresponding to the anglec of rotation of the uniform correspondence of difference and installing plate 3.
When the most side of deep-slotted chip breaker 35 is contradicted on adjusting rod 22, the end face of roller 6 and the conveying direction of carriage 1 are in Minimum conveying angle is set, and when deep-slotted chip breaker 35 rotates regulation on adjusting rod 22, angle becomes larger, when deep-slotted chip breaker 35 When the other end contacts at adjusting rod 22, the end face of roller 6 and the angle of carriage 1 are maximum.
Position corresponding to pull bar 41 on the side wall of carriage 1 offers some hole clippings 11, and pull bar 41 is away from baffle plate 4 Termination is provided with fixture block 411, enables to the inlay card of fixture block 411 to realize the He of pull bar 41 in hole clipping 11 when pull bar 41 rotates The fixation of baffle plate 4, fixes pull bar 41 after the angle for adjusting roller 6, and the movement of anti-baffle plate 4 causes turning for installing plate 3 It is dynamic.
Operating procedure:
1st, after installing plate 3 and roller 6 are installed on carriage 1, piston rod is placed in the groove between roller 6, is beaten Drive motor 51, rotating shaft 52 is rotated and drives belt pulley 53 to rotate and then so that roller 6 is rotated, and the side wall of roller 6 connects on the piston rod Rotation is touched, the displacement of screw thread is produced with piston rod due to inclined setting so that piston rod is conveyed on roller 6;
2nd, when regulation transporting velocity is needed, by the hole clipping on the upper carriage 1 of the correspondence of fixture block 411 on pull bar 41 11, pull baffle plate 4 move it corresponding displacement, the installing plate 3 being secured to is rotated around fix bar 21, deep-slotted chip breaker 35 and adjust The transporting velocity of the contact position change of pole 22, the angle change of the rotating direction and conveying direction of roller 6, and then piston rod Change;
3rd, transporting velocity regulation is ready, and by the inlay card of fixture block 411 in corresponding hole clipping 11, motor 51 is worked, and roller 6 is conveyed Piston rod.
This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected by Patent Law in right of the present utility model.

Claims (9)

1. a kind of piston rod manufacture conveying device, including carriage (1), it is characterized in that:The carriage (1) along its length between It is some every being provided with the installing plate (3) for being provided with some loading plates (2) and being articulated with loading plate (2), the installing plate (3) Rotation direction and conveying direction inclination, the roller (6) for forming delivery chute each other, driving is provided with the carriage (1) The actuator (5) that roller (6) is rotated, the installing plate (3) is provided with sliding inlay card in carriage near the side of carriage (1) (1) adjusting the pull bar (41) of the angle of installing plate (3) and loading plate on.
2. piston rod according to claim 1 manufactures conveying device, it is characterized in that:The end face protrusion of the loading plate (2) There is a fix bar (21), the installing plate (3) is including being connected to the first panel (31) of loading plate (2) and perpendicular to first panel (31) and for installing the second panel (32) of roller (6), the first panel (31) is sheathed on fix bar (21).
3. piston rod according to claim 2 manufactures conveying device, it is characterized in that:The end face of the loading plate (2) is to The side of one panel (31) is protruding with adjusting rod (22), is offered on the end face of the first panel (31) and is with fix bar (21) The deep-slotted chip breaker (35) that the center of circle wears for adjusting rod (22).
4. piston rod according to claim 3 manufactures conveying device, it is characterized in that:The both ends of the surface of the second panel (32) The pole (33) installed for roller is fixedly connected with, the pole (33) is provided with away from the side of installing plate (3) and is arranged in roller (6) second bolt (34) in axle center.
5. piston rod according to claim 1 manufactures conveying device, it is characterized in that:The carriage (1) is along its length It is provided with the baffle plate for being connected to some installing plates (3), the baffle plate is equipped with the 3rd bolt (43) with being connected on installing plate.
6. piston rod according to claim 5 manufactures conveying device, it is characterized in that:The pull bar (41) is articulated with baffle plate (4), the pull bar (41) is protruding with fixture block (411), the side wall of the carriage (1) near the side of the side wall of carriage (1) The hole clipping (11) of some confession fixture block (411) inlay cards is offered along conveying direction.
7. piston rod according to claim 6 manufactures conveying device, it is characterized in that:The pull bar (41) and baffle plate (4) Junction is equipped with the half-thread bolt (42) being connected on the end face of pull bar (41).
8. piston rod according to claim 1 manufactures conveying device, it is characterized in that:The actuator (5) is including along conveying The motor (51) that the rotating shaft (52) and drive shaft (52) that frame (1) length direction is set are rotated, the roller on installing plate (3) (6) end face being relatively distant from is protruding with draw-in groove, and the belt pulley (53) that integrated card is embedded in draw-in groove is arranged with the rotating shaft (52).
9. piston rod according to claim 1 manufactures conveying device, it is characterized in that:The end face of the loading plate (2) wears There is fixing card to be embedded in the 4th bolt (23) of carriage (1).
CN201621295700.9U 2016-11-29 2016-11-29 A kind of piston rod manufactures conveying device Expired - Fee Related CN206288557U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621295700.9U CN206288557U (en) 2016-11-29 2016-11-29 A kind of piston rod manufactures conveying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621295700.9U CN206288557U (en) 2016-11-29 2016-11-29 A kind of piston rod manufactures conveying device

Publications (1)

Publication Number Publication Date
CN206288557U true CN206288557U (en) 2017-06-30

Family

ID=59097542

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621295700.9U Expired - Fee Related CN206288557U (en) 2016-11-29 2016-11-29 A kind of piston rod manufactures conveying device

Country Status (1)

Country Link
CN (1) CN206288557U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112207645A (en) * 2019-07-10 2021-01-12 天津天弘精工传动机械科技股份有限公司 Optical axis self-help force transmission mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112207645A (en) * 2019-07-10 2021-01-12 天津天弘精工传动机械科技股份有限公司 Optical axis self-help force transmission mechanism

Similar Documents

Publication Publication Date Title
CN207241175U (en) A kind of laser marking machine on production line
CN207478917U (en) A kind of the sheet material pipeline and oiling device of automatic centering positioning
CN206288599U (en) A kind of delivery adjustment device
CN206288557U (en) A kind of piston rod manufactures conveying device
CN110356883A (en) The deviation correction mechanism of full-automatic printer
CN207174647U (en) Turning machine
CN206511754U (en) Carbon yarn tension controlling organization and carbon fiber production line
CN214326201U (en) Deviation rectifying rack of belt conveyor
CN209051918U (en) Sorter
CN207310782U (en) Solar cell silk screen printing machine and manufacture of solar cells line
KR101188728B1 (en) A automatic feeding device of yarn for lace
CN212197380U (en) Ceramic green brick turning device
CN212670461U (en) Coiled material laying device
CN207288679U (en) A kind of feed arrangement of the interlocked numerical controlled plate bending machine of dual stage
CN204382774U (en) A kind of carton press roll-in guiding mechanism
CN106517761A (en) Transmission mechanism of quartz glass plate annealing kiln
CN207932748U (en) A kind of cloth unfolding device that spread effect is good
CN108044468B (en) Graphite optical rod rapid prototyping's equipment
CN207583768U (en) Full-automatic assembling machine
CN205739243U (en) Conveyer belt deviation correcting device and ribbon conveyer
CN217577630U (en) Electric deviation rectifying device for mesh belt
CN206418022U (en) A kind of quartz glass sheet material annealing kiln transmission mechanism
CN205313815U (en) Automatic suturing device of zip fastener
CN205526925U (en) A receive material guider for printing machine
CN211644043U (en) Automatic cloth feeding machine for adjusting cloth

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: 20170630

Termination date: 20201129

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