CN211806640U - Edge cutting machine tool swinging mechanism capable of improving production efficiency - Google Patents
Edge cutting machine tool swinging mechanism capable of improving production efficiency Download PDFInfo
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- CN211806640U CN211806640U CN201922416465.6U CN201922416465U CN211806640U CN 211806640 U CN211806640 U CN 211806640U CN 201922416465 U CN201922416465 U CN 201922416465U CN 211806640 U CN211806640 U CN 211806640U
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Abstract
The utility model discloses an improve production efficiency's cutting edge machine pendulum sword mechanism, include: the rotary motor is fixedly arranged on the tool apron sliding block, the rotary motor is connected with the rotary rod, and the transmission sliding block is arranged on the rotary rod; a displacement motor is arranged on one side of the fixed seat, and the output end of the displacement motor is connected with a first transmission screw and a second transmission screw; the transmission slide block is arranged between the first transmission screw rod and the second transmission screw rod; the device also comprises an auxiliary knife adjusting mechanism; the structure that provides one kind can mechanical adjustment cutter on the one hand, the flexibility is strong, can effectively deal with the production of many varieties product, and functional strong, on the other hand utilize the sensor to realize the accurate control to the cutter removal, and the cutting size is accurate, and processingquality is high.
Description
Technical Field
The utility model belongs to cutting equipment subassembly field, in particular to improve production efficiency's cutting edge machine pendulum sword mechanism.
Background
The edge cutting machine is used as a processing device of artificial boards, and is widely used all the time because of the continuous development and growth of the artificial boards. Since the 90 s of the 20 th century, artificial boards have been the fastest growing variety. The importance of the edge cutting machine as an important device for producing the artificial board is self-evident.
However, because the artificial board generally has lower cost to obtain product competitiveness, most enterprises do not put much effort on the research of the production equipment of the artificial board, and thus, the existing production equipment of the artificial board still has many defects. For example, the existing edge cutting machine still uses a fixed cutter, can only cut a fixed shape, is not suitable for various and large-scale production, is weak in the high-end customization field, mostly does not have higher automation degree, still adopts more manual operations, and has low production efficiency, easy error and poor safety. Therefore, the present application provides innovation and improvement to the edge cutting machine with respect to the above problems.
The existing cutter driving mechanism mainly has the following problems:
1. the existing edge cutting machine still uses a fixed cutter, can only cut a fixed shape, is not suitable for various and large-scale production, and is weak in the field of high-end customization.
2. Most of the existing edge cutting machines do not have high automation degree, still adopt more manual operations, have low production efficiency, are easy to make mistakes and have poor safety.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome not enough above, the utility model aims at providing an improve production efficiency's cutting edge machine pendulum sword mechanism provides a structure that can mechanical adjustment cutter on the one hand, and the flexibility is strong, can effectively deal with the production of many varieties product, and is functional strong, and on the other hand utilizes the sensor to realize the accurate control to the cutter removal, and the cutting size is accurate, and processingquality is high.
The technical scheme is as follows: in order to achieve the above object, the utility model provides an improve production efficiency's cutting edge machine pendulum sword mechanism, include: the device comprises a fixed seat, two supporting slide rails, a tool apron slider, a rotary rod, a rotary motor, a transmission slider, a first transmission screw, a second transmission screw and a displacement motor, wherein the supporting slide rails are arranged on the fixed seat; a displacement motor is arranged on one side of the fixed seat, the output end of the displacement motor is connected with a first transmission screw and a second transmission screw, the first transmission screw is connected with the fixed seat through a bearing, the second transmission screw is connected with the fixed seat through a bearing, and the second transmission screw is arranged on one side of the first transmission screw; the transmission slide block is arranged between the first transmission screw rod and the second transmission screw rod, the transmission slide block is in threaded contact with the first transmission screw rod, the transmission slide block is in half-wrapped first transmission screw rod, the transmission slide block is in threaded contact with the second transmission screw rod, and the transmission slide block is half-wrapped second transmission screw rod.
The utility model discloses in the setting of pendulum sword mechanism, it provides the structure that can mechanical adjustment cutter, and the flexibility is strong, can effectively deal with the production of many varieties product, and is functional strong.
The utility model discloses in first drive screw opposite with second drive screw motion direction.
The utility model discloses in first drive screw and second drive screw's setting replaces manual drive with machinery on the one hand, and machining efficiency and security all answer the improvement, and on the other hand has cut apart the motion of two directions, has shortened simultaneously by a wide margin and has had the cutter to remove required time to the equidirectional, and machining efficiency is high.
In the utility model, the tool apron slider is provided with a limit baffle which is arranged on one side of the rotary rod; the limiting baffle is provided with a C-shaped groove, the rotary rod penetrates through the C-shaped groove, and the inner surface of the C-shaped groove is arc-shaped.
The utility model discloses in the fixing base on be provided with the friction dead lever, friction dead lever both ends are fixed to be set up on the fixing base, friction dead lever and rotary rod contact.
The utility model discloses in the setting of friction dead lever has realized the fixed of blade holder slider, has avoided the blade holder slider to take place the possibility of displacement at work, and the machining precision is high.
The utility model discloses in the friction dead lever on be provided with the concave surface, be provided with the convex surface on the rotary rod, the concave surface with convex surface interference fit.
The utility model discloses in friction dead lever surface adopt rubber materials.
The utility model discloses in friction dead lever chooseed for use, improved frictional force, guaranteed the fixed of blade holder slider.
The fixing base in the utility model is provided with an auxiliary knife adjusting mechanism, the auxiliary knife adjusting mechanism comprises a knife adjusting belt, a knife adjusting resistor, a knife following terminal, a first power supply wire, a second power supply wire, a current sensor and a control chip, two ends of the knife adjusting belt are fixedly arranged on the fixing base, the knife adjusting resistor is arranged in the knife adjusting belt, the knife following terminal is arranged on the knife adjusting resistor in a sliding manner, the knife following terminal penetrates out of the knife adjusting belt, and the knife following terminal is fixedly arranged on the knife holder slider; one end of the knife adjusting resistor is connected with a first power supply lead, the first power supply lead is connected with a workshop power supply, the knife following terminal is connected with a second power supply lead, and the second power supply lead is connected with the workshop power supply; and a current sensor is arranged on the second power supply lead, the current sensor is connected with a control chip, and the control chip is connected with the displacement motor.
The utility model discloses in supplementary knife adjustment mechanism's setting, the phenomenon of electric current size in the cutting that it utilized knife holder slider displacement to adjust the different degree of knife resistance can change the circuit has realized the accurate measurement to knife holder slider position to realized the accurate location of knife holder slider, process velocity is fast, and the machining precision is high, and mechanization and degree of automation are high, safe practical.
The utility model discloses in support slide rail both ends be provided with the buffer layer, the buffer layer covers one side that the fixing base is close to the support slide rail.
The utility model discloses in the setting of buffer layer can reduce the collision of blade holder slider and fixing base effectively, has avoided the damage of equipment, and practical life is long, can be simultaneously that the blade holder slider breaks away from drive screw earlier, has shortened the accent sword time of equipment, and machining efficiency is high.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:
1. the utility model discloses in an improve production efficiency's cutting edge machine pendulum sword mechanism, it provides a structure that can mechanical adjustment cutter, the flexibility is strong, can effectively deal with the production of many varieties product, functional strong.
2. The utility model discloses in an improve production efficiency's cutting edge machine pendulum sword mechanism, the phenomenon of electric current size in the cutting that it utilized the blade holder slider displacement to exchange the different degree of sword resistance can change the circuit has realized the accurate measurement to blade holder slider position to realized the accurate location of blade holder slider, process velocity is fast, the machining precision is high, and mechanization and degree of automation are high, safe practical.
3. The utility model discloses in an improve production efficiency's cutting edge machine pendulum sword mechanism, it has set up the buffer layer, can reduce the collision of blade holder slider and fixing base effectively, avoided the damage of equipment, practical life is long, can be that the blade holder slider breaks away from drive screw earlier simultaneously, has shortened the accent sword time of equipment, machining efficiency is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic structural view of the limit baffle of the present invention;
fig. 4 is a schematic structural view of the friction fixing rod of the present invention;
fig. 5 is a schematic structural view of the auxiliary knife adjusting mechanism of the present invention;
fig. 6 is a schematic cross-sectional structure view of the auxiliary knife adjustment mechanism of the present invention;
in the figure: the device comprises a fixed seat-1, a supporting slide rail-2, a tool apron slide block-3, a rotating rod-4, a rotating motor-5, a transmission slide block-6, a first transmission screw-7, a second transmission screw-8, a displacement motor-9, a limiting baffle-10, a friction fixing rod-11, an auxiliary tool adjusting mechanism-12, a tool adjusting belt-121, a tool adjusting resistor-122, a tool following terminal-123, a first power supply lead-124, a second power supply lead-125, a current sensor-126, a control chip-127 and a buffer layer-13.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Example 1
An edge trimmer swinging knife mechanism for improving production efficiency as shown in fig. 1-6 comprises: the device comprises a fixed seat 1, two supporting slide rails 2, two tool apron sliders 3, a rotary rod 4, a rotary motor 5, a transmission slider 6, a first transmission screw 7, a second transmission screw 8 and a displacement motor 9, wherein the fixed seat 1 is provided with the two supporting slide rails 2, the supporting slide rails 2 are arranged in the middle of the fixed seat 1, the tool apron sliders 3 are arranged on the supporting slide rails 2 in a sliding manner, the rotary motor 5 is fixedly arranged on the tool apron sliders 3, the rotary motor 5 is connected with the rotary rod 4, the transmission slider 6 is arranged on the rotary rod 4, and the number of the transmission sliders 6 is two; a displacement motor 9 is arranged on one side of the fixed seat 1, the output end of the displacement motor 9 is connected with a first transmission screw 7 and a second transmission screw 8, the first transmission screw 7 is connected with the fixed seat 1 through a bearing, the second transmission screw 8 is connected with the fixed seat 1 through a bearing, and the second transmission screw 8 is arranged on one side of the first transmission screw 7; the transmission slide block 6 is arranged between a first transmission screw 7 and a second transmission screw 8, the transmission slide block 6 is in threaded contact with the first transmission screw 7, the transmission slide block 6 is in half-coated contact with the first transmission screw 7, the transmission slide block 6 is in threaded contact with the second transmission screw 8, and the transmission slide block 6 is in half-coated contact with the second transmission screw 8.
The first drive screw 7 and the second drive screw 8 in this embodiment are shown moving in opposite directions.
In this embodiment, the tool apron sliding block 3 is provided with a limiting baffle 10, and the limiting baffle 10 is arranged on one side of the rotating rod 4; the limiting baffle 10 is provided with a C-shaped groove, the rotating rod 4 penetrates through the C-shaped groove, and the inner surface of the C-shaped groove is arc-shaped.
In this embodiment, the fixing base 1 is provided with a friction fixing rod 11, two ends of the friction fixing rod 11 are fixedly arranged on the fixing base 1, and the friction fixing rod 11 is in contact with the rotating rod 4.
In this embodiment, the friction fixing rod 11 is provided with a concave surface, the rotating rod 4 is provided with a convex surface, and the concave surface is in interference fit with the convex surface.
The outer surface of the friction fixing rod 11 in this embodiment is made of rubber.
The fixing base 1 in this embodiment is provided with an auxiliary knife adjustment mechanism 12, the auxiliary knife adjustment mechanism 12 includes a knife adjustment belt 121, a knife adjustment resistor 122, a knife following terminal 123, a first power supply lead 124, a second power supply lead 125, a current sensor 126 and a control chip 127, two ends of the knife adjustment belt 121 are fixedly disposed on the fixing base 1, the knife adjustment belt 121 is internally provided with the knife adjustment resistor 122, the knife following terminal 123 is slidably disposed on the knife adjustment resistor 122, the knife following terminal 123 penetrates through the knife adjustment belt 121, and the knife following terminal 123 is fixedly disposed on the knife holder slider 3; one end of the knife adjusting resistor 122 is connected with a first power supply lead 124, the first power supply lead 124 is connected with a workshop power supply, the knife following terminal 123 is connected with a second power supply lead 125, and the second power supply lead 125 is connected with the workshop power supply; a current sensor 126 is arranged on the second power supply lead 125, the current sensor 126 is connected with a control chip 127, and the control chip 127 is connected with the displacement motor 9.
Example 2
As shown in fig. 1 and 3, the edge trimmer pendulum knife mechanism for improving the production efficiency comprises: the device comprises a fixed seat 1, two supporting slide rails 2, two tool apron sliders 3, a rotary rod 4, a rotary motor 5, a transmission slider 6, a first transmission screw 7, a second transmission screw 8 and a displacement motor 9, wherein the fixed seat 1 is provided with the two supporting slide rails 2, the supporting slide rails 2 are arranged in the middle of the fixed seat 1, the tool apron sliders 3 are arranged on the supporting slide rails 2 in a sliding manner, the rotary motor 5 is fixedly arranged on the tool apron sliders 3, the rotary motor 5 is connected with the rotary rod 4, the transmission slider 6 is arranged on the rotary rod 4, and the number of the transmission sliders 6 is two; a displacement motor 9 is arranged on one side of the fixed seat 1, the output end of the displacement motor 9 is connected with a first transmission screw 7 and a second transmission screw 8, the first transmission screw 7 is connected with the fixed seat 1 through a bearing, the second transmission screw 8 is connected with the fixed seat 1 through a bearing, and the second transmission screw 8 is arranged on one side of the first transmission screw 7; the transmission slide block 6 is arranged between a first transmission screw 7 and a second transmission screw 8, the transmission slide block 6 is in threaded contact with the first transmission screw 7, the transmission slide block 6 is in half-coated contact with the first transmission screw 7, the transmission slide block 6 is in threaded contact with the second transmission screw 8, and the transmission slide block 6 is in half-coated contact with the second transmission screw 8.
In this embodiment, the tool apron sliding block 3 is provided with a limiting baffle 10, and the limiting baffle 10 is arranged on one side of the rotating rod 4; the limiting baffle 10 is provided with a C-shaped groove, the rotating rod 4 penetrates through the C-shaped groove, and the inner surface of the C-shaped groove is arc-shaped.
Example 3
As shown in fig. 1 and 4, the edge trimmer pendulum knife mechanism for improving the production efficiency comprises: the device comprises a fixed seat 1, two supporting slide rails 2, two tool apron sliders 3, a rotary rod 4, a rotary motor 5, a transmission slider 6, a first transmission screw 7, a second transmission screw 8 and a displacement motor 9, wherein the fixed seat 1 is provided with the two supporting slide rails 2, the supporting slide rails 2 are arranged in the middle of the fixed seat 1, the tool apron sliders 3 are arranged on the supporting slide rails 2 in a sliding manner, the rotary motor 5 is fixedly arranged on the tool apron sliders 3, the rotary motor 5 is connected with the rotary rod 4, the transmission slider 6 is arranged on the rotary rod 4, and the number of the transmission sliders 6 is two; a displacement motor 9 is arranged on one side of the fixed seat 1, the output end of the displacement motor 9 is connected with a first transmission screw 7 and a second transmission screw 8, the first transmission screw 7 is connected with the fixed seat 1 through a bearing, the second transmission screw 8 is connected with the fixed seat 1 through a bearing, and the second transmission screw 8 is arranged on one side of the first transmission screw 7; the transmission slide block 6 is arranged between a first transmission screw 7 and a second transmission screw 8, the transmission slide block 6 is in threaded contact with the first transmission screw 7, the transmission slide block 6 is in half-coated contact with the first transmission screw 7, the transmission slide block 6 is in threaded contact with the second transmission screw 8, and the transmission slide block 6 is in half-coated contact with the second transmission screw 8.
In this embodiment, the fixing base 1 is provided with a friction fixing rod 11, two ends of the friction fixing rod 11 are fixedly arranged on the fixing base 1, and the friction fixing rod 11 is in contact with the rotating rod 4.
In this embodiment, the friction fixing rod 11 is provided with a concave surface, the rotating rod 4 is provided with a convex surface, and the concave surface is in interference fit with the convex surface.
The outer surface of the friction fixing rod 11 in this embodiment is made of rubber.
Example 4
As shown in fig. 1, 5 and 6, the edge trimmer pendulum knife mechanism for improving production efficiency comprises: the device comprises a fixed seat 1, two supporting slide rails 2, two tool apron sliders 3, a rotary rod 4, a rotary motor 5, a transmission slider 6, a first transmission screw 7, a second transmission screw 8 and a displacement motor 9, wherein the fixed seat 1 is provided with the two supporting slide rails 2, the supporting slide rails 2 are arranged in the middle of the fixed seat 1, the tool apron sliders 3 are arranged on the supporting slide rails 2 in a sliding manner, the rotary motor 5 is fixedly arranged on the tool apron sliders 3, the rotary motor 5 is connected with the rotary rod 4, the transmission slider 6 is arranged on the rotary rod 4, and the number of the transmission sliders 6 is two; a displacement motor 9 is arranged on one side of the fixed seat 1, the output end of the displacement motor 9 is connected with a first transmission screw 7 and a second transmission screw 8, the first transmission screw 7 is connected with the fixed seat 1 through a bearing, the second transmission screw 8 is connected with the fixed seat 1 through a bearing, and the second transmission screw 8 is arranged on one side of the first transmission screw 7; the transmission slide block 6 is arranged between a first transmission screw 7 and a second transmission screw 8, the transmission slide block 6 is in threaded contact with the first transmission screw 7, the transmission slide block 6 is in half-coated contact with the first transmission screw 7, the transmission slide block 6 is in threaded contact with the second transmission screw 8, and the transmission slide block 6 is in half-coated contact with the second transmission screw 8.
The fixing base 1 in this embodiment is provided with an auxiliary knife adjustment mechanism 12, the auxiliary knife adjustment mechanism 12 includes a knife adjustment belt 121, a knife adjustment resistor 122, a knife following terminal 123, a first power supply lead 124, a second power supply lead 125, a current sensor 126 and a control chip 127, two ends of the knife adjustment belt 121 are fixedly disposed on the fixing base 1, the knife adjustment belt 121 is internally provided with the knife adjustment resistor 122, the knife following terminal 123 is slidably disposed on the knife adjustment resistor 122, the knife following terminal 123 penetrates through the knife adjustment belt 121, and the knife following terminal 123 is fixedly disposed on the knife holder slider 3; one end of the knife adjusting resistor 122 is connected with a first power supply lead 124, the first power supply lead 124 is connected with a workshop power supply, the knife following terminal 123 is connected with a second power supply lead 125, and the second power supply lead 125 is connected with the workshop power supply; a current sensor 126 is arranged on the second power supply lead 125, the current sensor 126 is connected with a control chip 127, and the control chip 127 is connected with the displacement motor 9.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an improve production efficiency's cutting edge machine pendulum sword mechanism which characterized in that: the method comprises the following steps: the device comprises a fixing seat (1), a supporting slide rail (2), a tool apron sliding block (3), a rotary rod (4), two rotary motors (5), a transmission sliding block (6), a first transmission screw (7), a second transmission screw (8) and a displacement motor (9), wherein the fixing seat (1) is provided with the two rotary motors (5), the supporting slide rail (2) is arranged on the fixing seat (1), the supporting slide rail (2) is arranged in the middle of the fixing seat (1), the tool apron sliding block (3) is arranged on the supporting slide rail (2) in a sliding manner, the rotary motor (5) is fixedly arranged on the tool apron sliding block (3), the rotary motor (5) is connected with the rotary rod (4), the transmission sliding block (6) is arranged on the rotary rod (4), and the number of the two; a displacement motor (9) is arranged on one side of the fixed seat (1), the output end of the displacement motor (9) is connected with a first transmission screw (7) and a second transmission screw (8), the first transmission screw (7) is connected with the fixed seat (1) through a bearing, the second transmission screw (8) is connected with the fixed seat (1) through a bearing, and the second transmission screw (8) is arranged on one side of the first transmission screw (7); the transmission slide block (6) is arranged between the first transmission screw rod (7) and the second transmission screw rod (8), the transmission slide block (6) is in threaded contact with the first transmission screw rod (7), the transmission slide block (6) is in half-coated first transmission screw rod (7), the transmission slide block (6) is in threaded contact with the second transmission screw rod (8), and the transmission slide block (6) is in half-coated second transmission screw rod (8).
2. The edge cutting machine tool swinging mechanism capable of improving the production efficiency as claimed in claim 1, is characterized in that: the first transmission screw (7) and the second transmission screw (8) have opposite movement directions.
3. The edge cutting machine tool swinging mechanism capable of improving the production efficiency as claimed in claim 1, is characterized in that: the tool apron sliding block (3) is provided with a limiting baffle (10), and the limiting baffle (10) is arranged on one side of the rotating rod (4); the limiting baffle (10) is provided with a C-shaped groove, the rotating rod (4) penetrates through the C-shaped groove, and the inner surface of the C-shaped groove is arc-shaped.
4. The edge cutting machine tool swinging mechanism capable of improving the production efficiency as claimed in claim 1, is characterized in that: fixing base (1) on be provided with friction dead lever (11), friction dead lever (11) both ends are fixed to be set up on fixing base (1), friction dead lever (11) and rotary rod (4) contact.
5. The edge cutting machine tool swinging mechanism capable of improving the production efficiency as claimed in claim 4, is characterized in that: the friction fixed rod (11) on be provided with the concave surface, be provided with the convex surface on rotary rod (4), the concave surface with convex surface interference fit.
6. The edge cutting machine tool swinging mechanism capable of improving the production efficiency as claimed in claim 4, is characterized in that: the outer surface of the friction fixing rod (11) is made of rubber materials.
7. The edge cutting machine tool swinging mechanism capable of improving the production efficiency as claimed in claim 1, is characterized in that: the auxiliary knife adjusting mechanism (12) is arranged on the fixing seat (1), the auxiliary knife adjusting mechanism (12) comprises a knife adjusting belt (121), a knife adjusting resistor (122), a knife following terminal (123), a first power supply lead (124), a second power supply lead (125), a current sensor (126) and a control chip (127), two ends of the knife adjusting belt (121) are fixedly arranged on the fixing seat (1), the knife adjusting resistor (122) is arranged in the knife adjusting belt (121), the knife following terminal (123) is arranged on the knife adjusting resistor (122) in a sliding mode, the knife following terminal (123) penetrates out of the knife adjusting belt (121), and the knife following terminal (123) is fixedly arranged on the knife holder sliding block (3); one end of the knife adjusting resistor (122) is connected with a first power supply lead (124), the first power supply lead (124) is connected with a workshop power supply, the knife following terminal (123) is connected with a second power supply lead (125), and the second power supply lead (125) is connected with the workshop power supply; and a current sensor (126) is arranged on the second power supply lead (125), the current sensor (126) is connected with a control chip (127), and the control chip (127) is connected with the displacement motor (9).
8. The edge cutting machine tool swinging mechanism capable of improving the production efficiency as claimed in claim 1, is characterized in that: support slide rail (2) both ends be provided with buffer layer (13), buffer layer (13) cover fixing base (1) are close to one side of supporting slide rail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922416465.6U CN211806640U (en) | 2019-12-29 | 2019-12-29 | Edge cutting machine tool swinging mechanism capable of improving production efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922416465.6U CN211806640U (en) | 2019-12-29 | 2019-12-29 | Edge cutting machine tool swinging mechanism capable of improving production efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211806640U true CN211806640U (en) | 2020-10-30 |
Family
ID=73037635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922416465.6U Expired - Fee Related CN211806640U (en) | 2019-12-29 | 2019-12-29 | Edge cutting machine tool swinging mechanism capable of improving production efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211806640U (en) |
-
2019
- 2019-12-29 CN CN201922416465.6U patent/CN211806640U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| 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: 20201030 Termination date: 20211229 |