CN214322457U - Automatic screw locking machine for server hard disk - Google Patents

Automatic screw locking machine for server hard disk Download PDF

Info

Publication number
CN214322457U
CN214322457U CN202020725793.4U CN202020725793U CN214322457U CN 214322457 U CN214322457 U CN 214322457U CN 202020725793 U CN202020725793 U CN 202020725793U CN 214322457 U CN214322457 U CN 214322457U
Authority
CN
China
Prior art keywords
hard disk
frame
workbench
screw locking
automatic screw
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
CN202020725793.4U
Other languages
Chinese (zh)
Inventor
刘凌宵
李银湘
周勇
李盟
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.)
Shenzhen Xingtian Intelligent Industrial Technology Co ltd
Original Assignee
Shenzhen Xingtian Intelligent Industrial Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Xingtian Intelligent Industrial Technology Co ltd filed Critical Shenzhen Xingtian Intelligent Industrial Technology Co ltd
Priority to CN202020725793.4U priority Critical patent/CN214322457U/en
Application granted granted Critical
Publication of CN214322457U publication Critical patent/CN214322457U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Labeling Devices (AREA)

Abstract

The utility model discloses a server hard disk auto-screwdriving machine, including the regulator cubicle, the regulator cubicle provides intelligent control for each electrical component, the regulator cubicle top surface is equipped with the workstation, the both sides that the regulator cubicle is adjacent all are equipped with the material dolly, be equipped with on the workstation and be used for snatching hard disk and plate rail and inspect the mechanical feeding claw of damage, be used for holding and fixed hard disk and plate rail and can multistation pivoted carousel subassembly, be used for pasting the label subassembly of labelling on the hard disk with the label and be used for the lock to attach the screw and shoot the lock screw subassembly of detection quality, the utility model discloses automatic lock screw, label convenient and fast, the location of being convenient for is shot and is detected.

Description

Automatic screw locking machine for server hard disk
Technical Field
The utility model relates to an electronic equipment processing equipment field, in particular to server hard disk auto-screwdriving machine.
Background
Traditional electronic equipment production equipment factory needs a large amount of hand labor to go to production assembly, and is higher and higher along with workman's labour's cost, brings huge capital pressure for the enterprise. In the aspect of product assembly, the technical level of workers is uneven, the assembly of the workers has the problems of low efficiency, low operation accuracy and the like. The hard disk assembly has higher requirements on assembly precision and process, but the problems of low efficiency, rough assembly precision, large labor cost loss and the like exist when screws on two side surfaces are screwed by using an electric screwdriver in the conventional manual assembly of the hard disk.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a server hard disk auto-screwdriving machine, this screwdriving machine degree of automation is high, has the equipment and detects the function, convenient automatic branch material.
In order to solve the technical problem, the utility model discloses a technical scheme does:
an automatic screw locking machine for a server hard disk comprises an electrical cabinet, wherein the electrical cabinet provides intelligent control for each electrical element, the top surface of the electrical cabinet is provided with a workbench, two adjacent sides of the electrical cabinet are respectively provided with a material trolley, the automatic labeling machine is characterized in that a mechanical feeding claw used for grabbing a hard disk and a disk rack and checking damage is arranged on the workbench, a turntable assembly used for holding and fixing the hard disk and the disk rack and capable of rotating in multiple stations, a labeling assembly used for labeling a label on the hard disk and a screw locking assembly used for locking a screw and photographing for detecting quality are arranged on the workbench, the hard disk and the disk rack are respectively conveyed by a material trolley and grabbed by the mechanical feeding claw, the hard disk and the disk rack are sleeved in the turntable assembly after being detected to be qualified, the turntable assembly conveys the assembly to different stations, the labeling assembly and the screw locking assembly respectively carry out screw locking and labeling operations on two sides, and finally the mechanical feeding claw grabs a finished product and conveys the finished product to the next process.
Preferably, the material trolley comprises a frame arranged on one side of the workbench, a lifting mechanism is arranged in the frame, the lifting end of the lifting mechanism is connected with a support frame, a carrying disc capable of moving linearly is mounted on the support frame through a translation piece, the translation piece is an electric slide rail, the carrying disc can move horizontally on the frame conveniently, and empty carrying discs or waste materials are conveyed.
Preferably, the lifting mechanism comprises a driving motor fixed in the frame and a screw rod installed at the output end of the driving motor, two groups of handles are arranged on the side faces of the frame, and a plurality of groups of self-locking rollers are uniformly arranged at the bottom of the frame.
Preferably, the mechanical feeding claw comprises a four-axis robot installed on the workbench through a first supporting platform, the lower end of the four-axis robot is provided with a clamping jaw, the side face of the clamping jaw is provided with a first camera, the four-axis robot flexibly controls the motion track of the clamping jaw, the first camera shoots to obtain the positions of the disc frame and the hard disc hole, and the inner surface of the clamping jaw is provided with a first vacuum chuck connected with a vacuumizing device.
Preferably, the turntable assembly comprises a turntable body arranged on the workbench through a divider, four stations are arranged on the top surface of the turntable body, a jig for fixing a workpiece is arranged on each station, and an electrical integration box for accommodating lines is arranged in the middle of the turntable body.
Preferably, the jig comprises a positioning cylinder fixed on the turntable body, the output end of the positioning cylinder is rotatably provided with a clamping block, the other end of the clamping block is provided with a positioning frame, the two symmetrical ends of the positioning frame are provided with clamping cylinders, the two clamping cylinders are used for clamping and fixing the disc frame in the positioning frame, and the positioning cylinders stretch out and draw back to limit the disc frame in the positioning frame.
Preferably, the position that corresponds with the adjacent two stations of carousel body on the workstation is equipped with the revolving cylinder, the output of revolving cylinder is equipped with die clamping cylinder, the position that the posting corresponds with die clamping cylinder is equipped with the extension board, respectively changes 90 with the posting forward direction reversal through die clamping cylinder and revolving cylinder, conveniently locks the screw operation to both sides.
Preferably, the labeling component comprises a second support table fixed on the workbench, a coiling motor is arranged on one side of the second support table, a plurality of groups of rolling shafts are arranged on two sides of the support table, belt wheels are arranged at the output ends of the coiling motor, belt transmission is adopted between the belt wheels and the plurality of groups of rolling wheels, a coiling barrel is arranged on one side, close to the rolling wheels, of the two sides of the support table, and a vacuum sucker is arranged on one side, close to the coiling motor, of the two sides of the support table.
Preferably, the screw locking assembly comprises a third supporting table fixed on the workbench, the third supporting table is provided with two groups of workpieces, one group of workpieces is selected at will, the workpieces comprise an X-axis module, a Y-axis module and a Z-axis module which are linked, the two sides of the bottom of the Z-axis module are respectively provided with an electric screwdriver and a second camera, the second camera is used for photographing and positioning, the X-axis module, the Y-axis module and the Z-axis module are linked to an appointed position, and the electric screwdriver moves downwards to complete locking.
By adopting the technical scheme, whether the workpiece is qualified or not is obtained by grabbing and shooting by the mechanical feeding claw after the material trolley feeds the material, the qualified workpiece is sleeved in the turntable assembly, the unqualified workpiece is thrown into the material trolley, the workpiece is clamped, positioned and rotated on the turntable assembly, the label is conveyed by the labeling assembly, the label is attached to the workpiece by the mechanical feeding claw in a sucking mode, then the screw locking assembly is used for positioning and locking the screw, the workpiece after being locked is grabbed and discharged by the mechanical feeding claw, the whole locking process is completed, the whole process does not need manual operation, the degree of automation is good, the automatic locking device has the functions of shooting detection and shooting positioning, and the production quality is improved.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a structural diagram of the material trolley of the utility model;
FIG. 3 is a structural diagram of the feeding claw of the machine of the present invention;
FIG. 4 is a view showing a structure of the transfer tray assembly of the present invention;
FIG. 5 is a structural diagram of the jig of the present invention;
FIG. 6 is a schematic view of a labeling assembly of the present invention;
fig. 7 is a structural diagram of the middle locking screw assembly of the present invention;
fig. 8 is a flowchart of the present invention.
In the figure, 1-material trolley, 2-mechanical feeding claw, 3-turntable component, 4-labeling component, 5-lock screw component, 6-workbench, 7-electrical cabinet, 11-vehicle frame, 12-driving motor, 13-screw rod, 14-translational component, 15-carrying disc, 16-supporting frame, 17-handle, 18-self-locking roller, 21-four-axis robot, 22-clamping jaw, 23-camera I, 24-supporting table I, 31-fixture, 32-turntable body, 33-electrical integration box, 311-positioning cylinder, 312-clamping block, 313-positioning frame, 314-clamping cylinder, 315-rotating cylinder, 41-winding cylinder, 42-belt, 43-rolling shaft, 44-winding motor, 45-two support tables, 46-two vacuum chucks, 51-two support tables, 52-X axis module, 53-Y axis module, 54-electric batch, 55-two cameras and 56-Z axis module.
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings 1-8. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, the utility model provides an automatic screw locking machine for a server hard disk, which comprises an electrical cabinet 7, wherein the electrical cabinet 7 provides intelligent control for each electrical element, a workbench 6 is arranged on the top surface of the electrical cabinet 7, material trolleys are arranged on two adjacent sides of the electrical cabinet 7, a mechanical feeding claw 2 for grabbing the hard disk and the disk rack and checking damage, a turntable assembly 3 for holding and fixing the hard disk and the disk rack and rotating in multiple stations, a labeling assembly 4 for attaching a label to the hard disk and a screw locking assembly 5 for locking the screw and photographing for quality detection are arranged on the workbench 6, the hard disk and the disk rack are respectively transported by the material trolleys 1, grabbed by the mechanical feeding claw 2 and sleeved into the turntable assembly 3 after being detected to be qualified, the turntable assembly 3 sends the assembly to different stations, the labeling assembly 4 and the screw locking assembly 5 respectively lock the screws on two sides and label the label, finally, the mechanical feeding claw 2 picks the finished product and sends the finished product to the next procedure.
Referring to fig. 2, the material trolley 1 includes a frame 11 disposed on one side of the working table 6, a lifting mechanism is disposed in the frame 11, a lifting end of the lifting mechanism is connected to a support frame 16, a linear moving carrying disc 15 is mounted on the support frame 16 through a translation member 14, the translation member 14 is an electric slide rail, the carrying disc 15 can move horizontally on the frame 11, the empty carrying disc 15 or waste material can be conveyed to a blanking area, and the lifting mechanism drives the support frame 16 on the carrying disc 15 to move up and down to lift the workpiece, so as to facilitate grabbing of the mechanical feeding claw 2.
The lifting mechanism comprises a driving motor 12 fixed in the frame 11 and a screw rod 13 installed at the output end of the driving motor 12, two groups of handles 17 are arranged on the side face of the frame 11, a plurality of groups of self-locking rollers 18 are uniformly arranged at the bottom of the frame 11, the lifting of the carrying disc 15 is realized by a ball screw lifting mechanism consisting of the driving motor 12 and the screw rod 13, the lifting mechanism can also be replaced by a hydraulic cylinder and a gear rack transmission mechanism, and the self-locking rollers 18 facilitate the movement and fixation of the material trolley 1.
Referring to fig. 3, the mechanical feeding claw 2 includes a four-axis robot 21 installed on the workbench 6 through a first support platform 24, a clamping jaw 22 is arranged at the lower end of the four-axis robot 21, a first camera 23 is arranged on the side surface of the clamping jaw 22, the four-axis robot 21 controls the clamping jaw 22 to capture a disk frame, the first camera 23 photographs holes in the disk frame to be positioned, a first vacuum chuck connected with a vacuum pumping device is arranged on the inner surface of the clamping jaw 22, a qualified disk frame is placed into the turntable body 32, a hard disk is captured, the first camera 23 photographs the hard disk, then the hard disk is placed into the turntable body 32 to complete the assembly of the disk frame and the hard disk, the unqualified hard disk or disk frame is sent to the load tray 15 by the four-axis robot 21, and the workbench 6 is removed by the material trolley 1.
Referring to fig. 4-5, the turntable assembly 3 includes a turntable body 32 installed on the worktable 6 through a splitter, the splitter ensures that the turntable body 32 rotates 90 ° at each time to perform different operations on different stations, four stations are provided on the top surface of the turntable body 32, a fixture 31 for fixing a workpiece is provided on each station, and an electrical integration box 33 for accommodating circuits is provided in the middle of the turntable body 32.
The jig 31 comprises a positioning cylinder 311 fixed on the turntable body 32, the output end of the positioning cylinder 311 is rotatably provided with a clamping block 312, the other end of the clamping block 312 is provided with a positioning frame 313, the telescopic length of the positioning cylinder 311 controls the position of the positioning frame 313 on the turntable body 32, the two symmetrical ends of the positioning frame 313 are provided with clamping cylinders 314, the two clamping cylinders 314 clamp and fix the disc racks in the positioning frame 313, and the positioning cylinder 311 is telescopic to limit the disc racks in the positioning frame 313.
The rotary air cylinder 315 is arranged at a position, corresponding to two adjacent stations of the turntable body 32, on the workbench 6, the output end of the rotary air cylinder 315 is provided with the clamping air cylinder 314, the position, corresponding to the clamping air cylinder 314, of the positioning frame 313 is provided with the extension plate, the clamping air cylinder 314 respectively realizes the effects of clamping the tray frame and clamping the positioning frame 313, the rotation of 90 degrees is carried out under the driving of the rotary air cylinder, the side surface of the tray frame is exposed, and the screw locking is convenient.
Referring to fig. 6, the labeling assembly 4 includes a second supporting platform 45 fixed on the worktable 6, a material rolling motor 44 is disposed on one side of the second supporting platform 45, a plurality of sets of rollers 43 are disposed on a side surface of the second supporting platform 45, a belt pulley is disposed at an output end of the material rolling motor 44, the belt pulley and the plurality of sets of rollers are driven by a belt 42, a material rolling barrel 41 is disposed on one side of the side surface of the second supporting platform 45, which is close to the rollers, a vacuum suction cup second 46 is disposed on one side of the side surface of the second supporting platform 45, which is close to the material rolling motor 44, the material rolling motor 44 drives the belt pulley to rotate, the belt 42 drives the rollers 43 to rotate, the label paper is output from the material rolling barrel 41 and sent to the vacuum suction cup second 46 via the plurality of rollers 43, and the vacuum suction cup second vacuum suction cup 46 sucks the corresponding label, and the label is vacuum-sucked by the mechanical feeding claw 2 and attached to the hard disk.
Referring to fig. 7, the screw locking assembly 5 includes a third supporting table fixed on the worktable 6, two sets of workpieces are disposed on the third supporting table, any one set of workpieces includes an X-axis module 52, a Y-axis module 53 and a Z-axis module 56, an electric screwdriver 54 and a second camera 55 are disposed on two sides of the bottom of the Z-axis module 56, and the two sets of workpieces realize synchronous locking of two stations, so that the machining efficiency is high. The second camera 55 takes a picture and positions, the X-axis module 52, the Y-axis module 53 and the Z-axis module 56 are linked to the designated position, and the screwdriver 54 moves downwards to complete locking.
The working principle is as follows:
hard disks and disk racks are respectively placed on the carrying disks 15 of the two material trolleys 1, the lifting mechanism pushes the support frame 16 to drive the carrying disks 15 to ascend, the four-axis robot 21 grabs the hard disks or the disk racks and takes pictures, workpieces are detected and taken pictures to obtain the positions of holes in the disk racks, qualified workpieces are sent to the positioning frame 313 by the four-axis robot 21 under the state of being clamped by the clamping jaws 22, the camera II 55 takes pictures of the positions of the disk racks, the turntable body 32 rotates to a designated station, the clamping cylinders 314 on the two sides of the positioning frame 313 clamp the disk racks, the clamping cylinders 314 on the rotating cylinders 315 clamp the positioning frame 313, then the rotating cylinders 315 work to drive the clamping cylinders 314 and the positioning frame 313 to rotate by 90 degrees, the disk racks rotate to one side surface, the X-axis module 52, the Y-axis module 53 and the Z-axis module 56 are linked, after the electric batch 54 moves in place, the Z-axis module 56 moves down to drive the electric screwdriver 54 to move down to complete the locking action, and the second camera 55 takes a picture to detect the locking effect. After the turntable body 32 rotates to a designated station, the rolling shaft 43 is driven by the rolling motor 44 through the belt 42 to rotate, the label in the rolling barrel 41 is sent to the second vacuum suction disc 46, the four-axis robot 21 adsorbs the label and moves to the hard disc to be attached, after the turntable body 32 rotates to the next station, the clamping cylinder 314 is opened, the assembled hard disc is clamped by the clamping jaw 22 and then is transferred to the carrying disc 15 by the four-axis robot 21, and the carrying disc 15 is moved to the other side of the frame 11 by the moving member to perform blanking operation.
The embodiments of the present invention have been described in detail with reference to fig. 1 to 8, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (9)

1. The utility model provides a server hard disk auto-screwdriving machine, includes the regulator cubicle, its characterized in that: the top surface of the electrical cabinet is provided with a workbench, two adjacent sides of the electrical cabinet are respectively provided with a material trolley, and the workbench is provided with a mechanical feeding claw for grabbing a hard disk and a disk rack and checking damage; the turntable assembly is used for holding and fixing the hard disk and the disk rack and can rotate in multiple stations; a labeling assembly for labeling the hard disk; and the locking screw component is used for locking the screw and photographing to detect the quality.
2. The automatic screw locking machine for the hard disk of the server according to claim 1, wherein: the material trolley comprises a frame arranged on one side of the workbench, a lifting mechanism is arranged in the frame, the lifting end of the lifting mechanism is connected with a support frame, and a carrying disc capable of moving linearly is mounted on the support frame through a translation piece.
3. The automatic screw locking machine for the hard disk of the server according to claim 2, wherein: the lifting mechanism comprises a driving motor fixed in the frame and a screw rod installed at the output end of the driving motor, two groups of handles are arranged on the side faces of the frame, and a plurality of groups of self-locking rollers are uniformly arranged at the bottom of the frame.
4. The automatic screw locking machine for the hard disk of the server according to claim 1, wherein: the mechanical feeding claw comprises a four-axis robot installed on the workbench through a first supporting table, the lower end of the four-axis robot is provided with a clamping jaw, and the side face of the clamping jaw is provided with a first camera.
5. The automatic screw locking machine for the hard disk of the server according to claim 1, wherein: the turntable assembly comprises a turntable body arranged on the workbench through a divider, four stations are arranged on the top surface of the turntable body, a jig for fixing a workpiece is arranged on each station, and an electrical integration box for accommodating circuits is arranged in the middle of the turntable body.
6. The automatic screw locking machine for the hard disk of the server according to claim 5, wherein: the jig comprises a positioning cylinder fixed on the turntable body, wherein the output end of the positioning cylinder is rotatably provided with a clamping block, the other end of the clamping block is provided with a positioning frame, and the two symmetrical ends of the positioning frame are provided with clamping cylinders.
7. The automatic screw locking machine for the hard disk of the server according to claim 6, wherein: the rotary air cylinder is arranged at the position, corresponding to two adjacent stations of the rotary table body, on the workbench, the clamping air cylinder is arranged at the output end of the rotary air cylinder, and the extending plate is arranged at the position, corresponding to the clamping air cylinder, of the positioning frame.
8. The automatic screw locking machine for the hard disk of the server according to claim 1, wherein: the labeling component comprises a second support table fixed on the workbench, a coil motor is arranged on one side of the second support table, a plurality of groups of roller shafts are arranged on two sides of the support table, a belt pulley is arranged at the output end of the coil motor, belt transmission is adopted between the belt pulley and the plurality of groups of rollers, a coil cylinder is arranged on one side, close to the rollers, of the two sides of the support table, and a second vacuum sucker is arranged on one side, close to the coil motor, of the two sides of the support table.
9. The automatic screw locking machine for the hard disk of the server according to claim 1, wherein: the screw locking assembly comprises a third supporting table fixed on the workbench, two groups of machined parts are arranged on the third supporting table, any one group of machined parts comprise an X-axis module, a Y-axis module and a Z-axis module which are linked, and an electric screwdriver and a second camera are respectively arranged on two sides of the bottom of the Z-axis module.
CN202020725793.4U 2020-05-06 2020-05-06 Automatic screw locking machine for server hard disk Expired - Fee Related CN214322457U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020725793.4U CN214322457U (en) 2020-05-06 2020-05-06 Automatic screw locking machine for server hard disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020725793.4U CN214322457U (en) 2020-05-06 2020-05-06 Automatic screw locking machine for server hard disk

Publications (1)

Publication Number Publication Date
CN214322457U true CN214322457U (en) 2021-10-01

Family

ID=77874420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020725793.4U Expired - Fee Related CN214322457U (en) 2020-05-06 2020-05-06 Automatic screw locking machine for server hard disk

Country Status (1)

Country Link
CN (1) CN214322457U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111468935A (en) * 2020-05-06 2020-07-31 深圳市行天智能工业科技有限公司 Automatic screw locking machine for server hard disk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111468935A (en) * 2020-05-06 2020-07-31 深圳市行天智能工业科技有限公司 Automatic screw locking machine for server hard disk

Similar Documents

Publication Publication Date Title
CN112108929B (en) Intelligent production line for manufacturing parts and working method thereof
WO2021057736A1 (en) Automatic feeding and discharging machining system
KR102309360B1 (en) Apparatus for unloading workpiece
CN205257304U (en) Automatic work piece transfer device for descaling machine that polishes of bent axle
CN110255179B (en) Multi-carrying-table drawing type board collecting and releasing equipment
CN111468935A (en) Automatic screw locking machine for server hard disk
CN112229844A (en) Workpiece surface defect detection equipment
CN113878448B (en) Multi-station vertical grinding machine
CN209240757U (en) A kind of plate automation machining production line
CN114346453B (en) Full-automatic laser marking device for Z bearing cylindrical surface
CN214322457U (en) Automatic screw locking machine for server hard disk
CN110907455B (en) Three-body machine for detecting appearance of computer bottom cover and detection method thereof
CN110340649B (en) Multi-angle automatic screw locking machine
CN209072641U (en) A kind of camera module automatic detecting machine
CN210619512U (en) Multi-platform deck drawing type board folding and unfolding equipment
CN210209079U (en) Laser etching equipment
CN116764968A (en) Curved surface screen edge detection device
CN114726166B (en) Permanent magnet synchronous generator assembly production line and production process for tidal current energy power generation
CN115621188A (en) Non-contact efficient accurate wafer measuring device
CN114888442A (en) Laser removes gluey equipment and laser removes gluey production system
CN110907465A (en) Appearance detection system for large-plane workpiece
CN219074795U (en) Automatic goods of furniture for display rather than for use equipment of motor plane bearing subassembly
CN221046672U (en) Automatic detecting equipment for size of middle frame of mobile phone
CN218319346U (en) Automatic conveying device for part processing
CN218931020U (en) Feeding device for automatic arranging equipment of motor plane bearing assembly

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: 20211001

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