CN216657039U - Universal screw locking machine - Google Patents
Universal screw locking machine Download PDFInfo
- Publication number
- CN216657039U CN216657039U CN202220149348.7U CN202220149348U CN216657039U CN 216657039 U CN216657039 U CN 216657039U CN 202220149348 U CN202220149348 U CN 202220149348U CN 216657039 U CN216657039 U CN 216657039U
- Authority
- CN
- China
- Prior art keywords
- screw
- copper sheet
- tool bit
- output
- guide rail
- 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
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 137
- 229910052802 copper Inorganic materials 0.000 claims abstract description 137
- 239000010949 copper Substances 0.000 claims abstract description 137
- 230000007246 mechanism Effects 0.000 claims abstract description 127
- 230000003028 elevating effect Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Automatic Assembly (AREA)
Abstract
The utility model relates to the field of production equipment, in particular to a universal screw locking machine, which comprises a rack, wherein the rack is provided with a mounting rack, a copper sheet feeding mechanism and a screw feeding mechanism, the output ends of the copper sheet feeding mechanism and the screw feeding mechanism are provided with terminal assembling mechanisms for assembling a copper sheet and a screw together, the terminal assembling mechanisms are arranged on the mounting rack, each terminal assembling mechanism comprises a screw straightening mechanism and an automatic screwdriver, and each automatic screwdriver comprises: tool bit, tool bit elevating system and driving source, tool bit elevating system installs on the mounting bracket, the first lifter plate of tool bit elevating system's output fixedly connected with, driving source and tool bit are installed on first lifter plate, the output and the tool bit transmission of driving source are connected, automatic screwdriver's output is provided with the screw mechanism of rectifying. The screw straightening mechanism is simple in structure, accuracy before screw machining is improved through the screw straightening mechanism, and the defective rate is reduced.
Description
Technical Field
The utility model relates to the field of production equipment, in particular to a universal screw locking machine.
Background
A terminal is an accessory product for realizing electrical connection. With the increasing industrial automation degree and the stricter industrial control requirements, the terminal has more and more application ranges and more types. The traditional mode of processing the wiring terminal is manual operation, and the efficiency is very low.
Disclosure of Invention
The utility model aims to provide an automatic device for processing a wiring terminal, which solves the problems of low efficiency and high survival cost of manual machining operation.
In order to realize the purpose, the utility model provides the following technical scheme: the utility model provides a general type lock screw machine, includes the frame, be provided with mounting bracket, copper sheet feed mechanism and screw feed mechanism in the frame, copper sheet feed mechanism and screw feed mechanism's output is provided with the terminal assembly devices who assembles copper sheet and screw together, terminal assembly devices sets up on the mounting bracket, its characterized in that: terminal assembly devices includes screw mechanism, tool bit elevating system and the driving source of just setting up, the first lifter plate of tool bit elevating system's output fixedly connected with, driving source and tool bit are installed on first lifter plate, the driving source output is connected with the tool bit transmission, the output of tool bit is provided with the screw mechanism of just setting up.
Preferably, the screw straightening mechanism includes: fixing base, spring clamp and second elevating system, the second elevating system output is provided with the fixing base, be provided with the spring clamp on the fixing base, be provided with on two double-layered walls of spring clamp with screw both sides overhang assorted block groove, the middle part of spring clamp still is provided with the through-hole that runs through the fixing base, the tool bit can pass through-hole and screwed connection.
Preferably, screw feeding mechanism is provided with two, and a left side and a right side set up the both sides at the screw mechanism of ajusting, the tool bit includes: the first cutter head and the second cutter head are in transmission connection with the driving source through gears.
Preferably, the copper sheet feeding mechanism comprises: copper sheet vibration dish, copper sheet conveying guide rail, copper sheet material way and copper sheet pushing mechanism, the output of copper sheet vibration dish is connected with the input of copper sheet conveying guide rail, the one end that the copper sheet material was said is provided with copper sheet pushing mechanism, the other end that the copper sheet material was said is provided with terminal assembly mechanism, the output setting of copper sheet conveying guide rail is on the output material way of copper sheet pushing mechanism, the copper sheet material is said and is located terminal assembly one end and is provided with buffer gear, buffer gear can make the copper sheet stop of copper sheet pushing mechanism output on predetermineeing the position.
Preferably, the output end of the copper sheet pushing mechanism is provided with a baffle which can limit the deviation of the horizontal position of the copper sheet on the copper sheet material channel, the output end of the copper sheet conveying guide rail is arranged between the copper sheet pushing mechanism and the baffle, and the baffle is arranged to move away the material channel when the copper sheet pushing mechanism passes through the position of the baffle.
Preferably, a height limiting baffle is arranged above the copper sheet material channel, and the height limiting baffle can limit the position deviation of the copper sheet in the vertical direction in the transportation process.
Preferably, a fixing frame is arranged above the copper sheet material channel, the baffle is arranged on the fixing frame in a telescopic mode, and the contact surface of the baffle and the copper sheet is a smooth and round curved surface.
Preferably, the screw feeding mechanism includes: screw vibration dish, screw conveying guide rail, screw separating mechanism, screw material way and screw pushing mechanism, the output of screw vibration dish is connected with the input of screw conveying guide rail, the output of screw conveying guide rail is provided with screw separating mechanism, the one end that the screw material was said is provided with screw pushing mechanism, the other end that the screw material was said is provided with the screw and puts right the mechanism, screw separating mechanism's output setting is on screw pushing mechanism's output material way.
Preferably, the screw detaching mechanism includes: flexible case and screw push pedal, the output fixedly connected with screw push pedal of flexible case, be provided with the recess that holds the screw in the screw push pedal, the output that holds recess and screw conveying guide rail and screw pushing mechanism's output become a straight line setting in the horizontal direction.
Preferably, the screw feeding mechanism and the copper sheet feeding mechanism are both provided with position sensors, and the position sensors can detect whether the copper sheet and the screws reach preset positions.
The utility model has the beneficial effects that:
1. simple structure increases the precision before the screw processing through screw mechanism of ajusting, reduces the bad rate of products.
2. The tool bit passes through gear connection with the driving source, the mutual distance of two adjustment tool bits that can become more meticulous makes some hole sites can process simultaneously apart from less product, improves product production efficiency.
3. The position sensor and the baffles of the copper sheet in the horizontal and vertical directions are additionally arranged, so that the precision of the copper sheet before processing is increased, and the yield is improved.
Drawings
FIG. 1: an overall schematic diagram of a universal screw locking machine.
FIG. 2: the overall schematic diagram of the terminal assembling mechanism.
FIG. 3: the copper sheet feeding mechanism is partially disassembled.
FIG. 4: the detailed structure of the screw adjusting mechanism is schematically shown.
FIG. 5: A-A is an enlarged schematic diagram.
FIG. 6: the specific mechanism schematic diagram of the pushing mechanism.
Reference numbers in the figures: 1. a frame; 2. a mounting frame; 3. a cutter head; 4. a drive source; 5. a first lifter plate; 6. a fixed seat; 7. a spring clip; 8. a copper sheet vibrating disk 9, a copper sheet conveying guide rail; 10. a height limiting baffle; 11. a fixed mount; 12. a screw vibrating disk; 13. a screw transfer guide; 14. a telescopic box; 15, pushing a plate by a screw; 16. a clamping groove; 17. a position sensor; 18. a baffle plate; 19. a gear; 20. a buffer mechanism; 21. a second lifting mechanism; 22. a cutter head lifting mechanism; 23. a copper sheet; 24. a screw; 25. a spring; 26. a copper sheet pushing mechanism; 27. a through hole; 28. a screw material channel; 29. a screw pushing mechanism; 30. an accommodating recess; 31. a copper sheet material channel; 32. the screw separates the material channel.
Detailed Description
The utility model will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a general type lock screw machine, includes frame 1, be provided with mounting bracket 2, copper sheet feed mechanism and screw feed mechanism in the frame 1, copper sheet feed mechanism and screw feed mechanism's output is provided with the terminal assembly devices who assembles copper sheet 23 and screw 24 together, terminal assembly devices sets up on mounting bracket 2 its characterized in that: terminal assembly devices includes screw mechanism, tool bit 3, tool bit elevating system 22 and driving source 4 of ajusting, the first lifter plate 5 of output fixedly connected with of tool bit elevating system 22, driving source 4 and tool bit 3 are installed on first lifter plate 5, 4 outputs of driving source are connected with the transmission of tool bit 3, the output of tool bit 3 is provided with screw mechanism of ajusting, increases the precision before the screw processing through simple structure like this, reduces the bad rate.
Further, the screw straightening mechanism includes: fixing base 6, spring clamp 7 and second elevating system 21, second elevating system 21 output is provided with fixing base 6, be provided with spring clamp 7 on the fixing base 6, be provided with on two double-layered walls of spring clamp 7 with screw both sides overhang assorted block groove 16, the middle part of spring clamp 7 still is provided with the through-hole 27 that runs through the fixing base, tool bit 3 can pass through-hole 27 and be connected with screw 24.
Further, screw feeding mechanism is provided with two, and a left side and a right side set up the both sides at the screw mechanism of ajusting, tool bit 3 includes: first tool bit and second tool bit, first tool bit and second tool bit pass through gear 19 with 4 transmission of driving source are connected, set up like this and pass through gear 19 and connect, and two tool bits of adjustment distance each other that can become more meticulous make some hole sites can simultaneous processing apart from less product, improve product production efficiency.
Further, copper sheet feeding mechanism includes: copper sheet vibration dish 8, copper sheet conveying guide rail 9, copper sheet material way 31 and copper sheet pushing mechanism 26, the output of copper sheet vibration dish 8 is connected with the input of copper sheet conveying guide rail 9, the one end that copper sheet material said 31 is provided with copper sheet pushing mechanism 26, the other end that copper sheet material said 31 is provided with terminal assembly mechanism, the output that copper sheet conveying guide rail 9 sets up on the output material way of copper sheet pushing mechanism 26, copper sheet material way 31 is located terminal assembly one end and is provided with buffer gear 20, buffer gear 20 can make copper sheet 23 that copper sheet pushing mechanism 26 exported stop on predetermineeing the position.
Furthermore, the output end of the copper sheet pushing mechanism 26 is provided with a baffle 18, the baffle 18 can limit deviation of the horizontal position of the copper sheet 23 on the copper sheet material channel 31, the output end of the copper sheet conveying guide rail is arranged between the copper sheet pushing mechanism and the baffle, and the baffle 18 can move away from the copper sheet material channel 31 when the copper sheet pushing mechanism passes through the position of the baffle, so that deviation of the position of the copper sheet 23 in the transportation process can be reduced, and the yield is increased.
Furthermore, a height limiting baffle 10 is arranged above the copper sheet material channel 31, and the height limiting baffle 10 can limit the position deviation of the copper sheets 23 in the vertical direction in the transportation process.
Further, a fixing frame 11 is arranged above the copper sheet material channel 31, the baffle 18 is arranged on the fixing frame 11 in a telescopic mode, and the contact surface of the baffle 18 and the copper sheet 23 is a smooth and round curved surface.
Further, the screw feed mechanism includes: screw vibration dish 12, screw conveying guide rail 13, screw separating mechanism, screw material way 28 and screw pushing mechanism 29, the output of screw vibration dish 12 is connected with the input of screw conveying guide rail 13, the output of screw conveying guide rail 13 is provided with screw separating mechanism, the one end that screw material says 28 is provided with screw pushing mechanism 29, the other end that screw material says 28 is provided with the screw and sets up the mechanism, screw separating mechanism sets up on screw separating material says 32, there is the cross coincidence between screw separating material says 32 and the screw material way 28, the coincidence position is in screw pushing mechanism 29 and screw and puts between the mechanism, screw separating mechanism's output set up in on the coincidence position.
Further, the screw detaching mechanism includes: the telescopic box comprises a telescopic box 14 and a screw push plate 15, wherein the output end of the telescopic box 14 is fixedly connected with the screw push plate 15, a containing groove 30 for containing a screw 24 is formed in the screw push plate 15, and the containing groove 30 is set as the input end and the output end of the screw push plate 15.
Furthermore, position sensors 17 are arranged on the screw feeding mechanism and the copper sheet feeding mechanism, and the position sensors 17 can detect whether the copper sheets and the screws reach preset positions or not.
The working principle is as follows: the copper sheet vibrating disk 8 can sequentially convey the copper sheets 23 to the copper sheet conveying guide rail 9, the copper sheets 23 pass through the copper sheet conveying guide rail 9 and then reach the copper sheet material channel 31, at the moment, the copper sheets 23 are limited by the copper sheet pushing mechanism 26 and the baffle 18 to move in the direction of the copper sheet material channel 31, at the moment, the position sensor 17 can detect whether the copper sheets 23 completely enter the copper sheet material channel 31, if the copper sheets 23 do not enter the corresponding position of the preset copper sheet material channel 31, the copper sheets 23 behind the copper sheet conveying guide rail 9 can push the front copper sheets 23 to reach the preset position, when the position sensor 17 detects a copper sheet signal, the copper sheet pushing mechanism 26 operates to push the copper sheets 23 to advance towards the push plate 18, because the surface of the push plate 18 facing the copper sheets 23 is a round and smooth curved surface, the push plate 18 can be lifted up by the copper sheets 23, at the moment, the copper sheet pushing mechanism 26 can also pass through the push plate 18 to advance towards the terminal assembling mechanism, when the copper sheet pushing mechanism 26 reaches the preset position, the copper sheet pushing mechanism 26 stops advancing and returns to the initial position, at this time, because no copper sheet pushing mechanism stops blocking under the push plate 18, under the action of gravity and the spring 25, the push plate 18 moves downwards and returns to the initial position, meanwhile, the copper sheet 23 is sent into the buffer mechanism 20 under the action of the copper sheet pushing mechanism 26, and the buffer mechanism 20 can counteract the forward force of inertia of the copper sheet 23, so that the copper sheet 23 is just stopped at the second preset position.
Meanwhile, the screw 24 is sequentially conveyed to the screw conveying guide rail 13 by the screw vibrating disk 12, the screw 24 enters the accommodating groove 30 of the screw pushing plate 15 after passing through the screw conveying guide rail 13, at the moment, the position sensor 17 detects whether the screw 24 reaches the preset position, when the screw 24 enters the preset position, the telescopic box 14 operates to move the accommodating groove 30 to the output material channel of the screw pushing mechanism 29, at the moment, the screw pushing mechanism 29 operates to send the screw 24 to the clamping groove 16 of the spring clamp 7 along the screw material channel 28, at the moment, the second lifting mechanism 21 operates to move the spring clamp 7 and the screw 24 connected with the spring clamp to the upper part of the assembling opening of the copper sheet, at the moment, the cutter head lifting mechanism 22 operates to move the cutter head 3 downwards, at the moment, the cutter head 3 passes through the through hole 27 to push the screw 24 downwards, and after the screw 24 contacts the assembling opening of the copper sheet, the driving source 4 drives the cutter head 3 to rotate, after the cutter head 3 locks the screw 24 to the copper sheet assembling opening, the cutter head lifting mechanism 22 works reversely to bring the cutter head back to the initial position.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (10)
1. The utility model provides a general type lock screw machine, includes the frame, be provided with mounting bracket, copper sheet feed mechanism and screw feed mechanism in the frame, copper sheet feed mechanism and screw feed mechanism's output is provided with the terminal assembly devices who assembles copper sheet and screw together, terminal assembly devices sets up on the mounting bracket, its characterized in that: terminal assembly devices includes that the screw is ajusted the mechanism and is automatic screwdriver, automatic screwdriver includes: tool bit, tool bit elevating system and driving source, tool bit elevating system installs on the mounting bracket, the first lifter plate of tool bit elevating system's output fixedly connected with, driving source and tool bit are installed on first lifter plate, the output and the tool bit transmission of driving source are connected, automatic screwdriver's output is provided with the screw mechanism of rectifying.
2. The universal screw locking machine according to claim 1, wherein: the screw mechanism of rectifying includes: fixing base, spring clamp and second elevating system, second elevating system output is provided with the fixing base, the spring clamp sets up on the fixing base, be provided with on two arm lock of spring clamp with screw both sides overhang assorted block groove, the middle part of spring clamp still is provided with the through-hole that runs through the fixing base, the tool bit can pass the through-hole and promote the screw and break away from the spring clamp downwards.
3. The universal screw locking machine according to claim 2, wherein: screw feed mechanism is provided with two, and a left side and a right side set up the both sides at the screw mechanism of ajusting, the tool bit includes: first tool bit and second tool bit, the one end of first tool bit and second tool bit all is provided with the gear, first tool bit and second tool bit pass through the gear with the driving source transmission is connected.
4. The universal screw locking machine according to claim 1, wherein: copper sheet feed mechanism includes: copper sheet vibration dish, copper sheet conveying guide rail, copper sheet material way and copper sheet pushing mechanism, the output of copper sheet vibration dish is connected with the input of copper sheet conveying guide rail, the one end that the copper sheet material was said is provided with copper sheet pushing mechanism, the other end that the copper sheet material was said is provided with terminal assembly devices, the output setting of copper sheet conveying guide rail is on copper sheet pushing mechanism's promotion orbit, the copper sheet material is said and is located terminal assembly devices one end and is provided with buffer gear, buffer gear can make the copper sheet stop of copper sheet pushing mechanism output on predetermineeing the position.
5. The universal screw locking machine according to claim 4, wherein: the copper sheet material channel is provided with a baffle which can limit the position deviation of a copper sheet on the copper sheet material channel, the output end of the copper sheet conveying guide rail is arranged between the copper sheet pushing mechanism and the baffle, and the baffle is arranged to be pushed away from the copper sheet material channel by the copper sheet or the push plate when the copper sheet pushing mechanism passes through the position of the baffle.
6. The universal screw locking machine according to claim 4, wherein: and a height limiting baffle is arranged above the copper sheet material channel and can limit the position deviation of the copper sheet in the vertical direction in the transportation process.
7. The universal screw locking machine according to claim 5, wherein: the copper sheet material is provided with the mount above saying, baffle telescopic sets up on the mount, the baffle sets up to smooth mellow and full curved surface with the contact surface of copper sheet.
8. The universal screw locking machine according to claim 1, wherein: screw feed mechanism includes: screw vibration dish, screw conveying guide rail, screw separating mechanism, screw material way and screw pushing mechanism, the output of screw vibration dish is connected with the input of screw conveying guide rail, the output of screw conveying guide rail is provided with screw separating mechanism, the one end that the screw material was said is provided with screw pushing mechanism, the other end that the screw material was said is provided with screw and puts positive mechanism, screw separating mechanism sets up and says at screw separation material, screw separation material says and have the cross coincidence with the screw material between saying, the coincidence position is located between screw pushing mechanism and the positive mechanism of screw pendulum, screw separating mechanism's output set up in on the coincidence position.
9. The universal screw locking machine according to claim 8, wherein: the screw separating mechanism includes: the screw pushing plate is fixedly connected with the output end of the telescopic box, a containing groove for containing a screw is formed in the screw pushing plate, and an input port and an output port are formed in the containing groove.
10. The screw locking machine of any one of claims 1 to 9, wherein: and position sensors are arranged on the screw feeding mechanism and the copper sheet feeding mechanism and can detect whether the copper sheet and the screws reach preset positions or not.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220149348.7U CN216657039U (en) | 2022-01-19 | 2022-01-19 | Universal screw locking machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220149348.7U CN216657039U (en) | 2022-01-19 | 2022-01-19 | Universal screw locking machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216657039U true CN216657039U (en) | 2022-06-03 |
Family
ID=81761469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202220149348.7U Expired - Fee Related CN216657039U (en) | 2022-01-19 | 2022-01-19 | Universal screw locking machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216657039U (en) |
-
2022
- 2022-01-19 CN CN202220149348.7U patent/CN216657039U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108406252B (en) | Frame positioning and clamping integrated device for rectangular frame corner connector automatic assembly machine | |
CN216657039U (en) | Universal screw locking machine | |
CN212923499U (en) | Double-material detection mechanism on production line | |
CN209342042U (en) | A kind of online vision testing machine of handset shell | |
CN218647892U (en) | Storage chip assembly device mutually matched with conveying line | |
CN215665743U (en) | Book conveying and connecting mechanism | |
CN212785097U (en) | Motor assembling rotor discharging device suitable for different rotor specifications | |
CN211495956U (en) | Full-automatic feeding device | |
CN211700869U (en) | Full-automatic assembly line of five-hole socket | |
CN213055456U (en) | Clamping mechanism arranged in semiconductor cutting machine | |
CN209393896U (en) | A kind of automobile processing mechanical pin bending machine | |
CN212374328U (en) | Sheet positioning and conveying device | |
CN213864334U (en) | Automatic workpiece taking and placing device | |
CN207414933U (en) | Face detection device is recognized in a kind of automation | |
CN220282665U (en) | Double-station material conveying mechanism for circuit board processing | |
CN221597027U (en) | Automatic tin dipping module for workpiece | |
CN220839029U (en) | Clamping device and numerical control machine tool | |
CN220873447U (en) | Electronic equipment button equipment | |
CN221134828U (en) | Multi-pole nut free and flexible assembling device | |
CN219173618U (en) | Special-shaped part conveying mechanism integrating direction identification and correction | |
CN214418588U (en) | Automatic lifting and positioning machine for back plate of television | |
CN211539806U (en) | Feeding mechanism for nut tapping | |
CN114248478B (en) | Flexible rubber bag forming device | |
CN211028901U (en) | Full-automatic assembling machine for bolts | |
CN219027544U (en) | Mechanical arm |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |