CN209094595U - A kind of automatic production line puncher - Google Patents
A kind of automatic production line puncher Download PDFInfo
- Publication number
- CN209094595U CN209094595U CN201822017285.6U CN201822017285U CN209094595U CN 209094595 U CN209094595 U CN 209094595U CN 201822017285 U CN201822017285 U CN 201822017285U CN 209094595 U CN209094595 U CN 209094595U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 53
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052742 iron Inorganic materials 0.000 claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 22
- 238000004080 punching Methods 0.000 abstract description 21
- 238000003754 machining Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 6
- 230000002195 synergetic effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Punching Or Piercing (AREA)
Abstract
The utility model discloses a kind of automatic production line puncheres, it is related to machining equipment technical field, the utility model includes pedestal, the column being erected on pedestal, the lifting arm that is set on column and can slide up and down under servo motor and screw rod driving, and being vertically arranged on the lifting arm can be in the main shaft of threephase asynchronous machine being rotated by；Lower part fixed mechanism that can be fixed by the bottom surface of parts to be processed is provided on the pedestal, and the side surface positioning device that the side of parts to be processed is fixed, the lower part fixed mechanism includes lower part positioning hydraulic cylinders, and is fixed at the lower part positioning battery iron of the piston rod end face of lower part positioning hydraulic cylinders；The advantages of the utility model has structure simple, and the utility model can allow processed workpiece in the process manufactured without inserting winding of punching, circulates after the completion of punching directly with transfer roller.
Description
Technical field
The utility model relates to machining equipment technical fields, use and beat more particularly to a kind of automatic production line
Hole machine.
Background technique
Automatic punch is driven by a motor the automation equipment processed portal on the metal material.Have automatic drilling machine, from
Dynamic staving press, automatic hole milling machine etc..Automatic punch controls computer, rotating electric machine, vibrating motor, processing by processing work platform
Tool heads, pneumatic device, automatic rotating disk, the composition such as stationary fixture.
Puncher workflow is as follows:
1, according to the size of processing, the quantity in hole is processed, processes the size in hole, the production such as processing hole site data are solid
Clamp tool.Fixture and automatic rotating disk are fastened.
2, process data is set in control computer.
3, the material that need to be processed is fixed on automatic rotating disk.
4, start machine, machine disposably completes punching, drilling, hole milling, through-hole, blind according to computer instruction and process data
The processing programs such as hole, porous, height hole.
5, a hole machined finishes, and automatic drill disk can turn an angle according to the set procedure, next processing hole
Position alignment processing head restarts to process.To entire turntable whole completion of processing, time processing process is just completed.It removes and adds
The good material of work.Again it charges.
6, it in process, encounters and gets stuck, lack material, machine can alarm at once, and stop working, and wait to be processed.
7, in process, when machining tool head is not sharp, machine also can instant alarming, notify replacement tool.
Automatic punch is to adapt to the trend of manufacturing industry application automation equipment substitution manpower and grow up, for solving
Manpower in the processing links such as certainly traditional punching, drilling, reaming, hole milling punches problem.With automatic technology and network technology
Development and application, automatic punch develops to unattended and long-range control.
This patent mainly study production line machinery processing operation puncher, be convenient for pile line operation, while convenient for allow by
The workpiece of processing punching process manufactured without inserting winding, after the completion of punching directly with part transfer roller circulate next process.
Utility model content
The purpose of this utility model is that: processing operation can not be carried out directly on roller-way in order to solve existing puncher
Problem, the utility model provide a kind of automatic production line puncher.
The utility model specifically uses following technical scheme to achieve the goals above:
A kind of automatic production line puncher, including pedestal, the column being erected on pedestal, be set on column and
Servo motor and screw rod drive the lower lifting arm that can be slided up and down, and being vertically arranged on the lifting arm can be different three
Walk the main shaft of motor being rotated by；The fixed lower part in the bottom surface of parts to be processed can be fixed by being provided on the pedestal
Mechanism, and the side surface positioning device that the side of parts to be processed is fixed, the lower part fixed mechanism include lower part positioning liquid
Cylinder pressure, and it is fixed at the lower part positioning battery iron of the piston rod end face of lower part positioning hydraulic cylinders, the lower part positioning electricity
The upper surface of Chi Tie and the following table face contact of parts to be processed.The association of battery iron is positioned by lower part positioning hydraulic cylinders and lower part
Parts to be processed is lifted up by same-action using lower part positioning hydraulic cylinders, in positioning battery Tie Tong electricity to the lower part, utilizes electromagnetism
Parts to be processed is firmly sucked the magnetic force of iron, the processing of part punching on line easy to produce, do not have to by parts to be processed from
It is lifted on pedestal on production line, eliminates the lifting time, shortened the production time, improve production efficiency.
Roller-way on production line: being mounted on the top of lower part fixed mechanism by working principle, meanwhile, roller-way transmission is to be processed
Part it is vertical with the direction of motion of side surface positioning device, side surface positioning device should be arranged in the outside of roller-way, parts to be processed
When being transported to the position of the present apparatus by roller-way from a upper procedure, first the position of parts to be processed is consolidated by side surface positioning device
It is fixed, then parts to be processed is fixed by lower part fixed mechanism, the Cutting tool installation manners such as the fluted drill of punching or reamer are existed
The lower end surface of main shaft carries out punch operation.
Further, the side surface positioning device includes the support frame being fixed on pedestal, is fixed at support
Side positioning hydraulic cylinders on frame, and it is fixed at the side positioning electromagnetism of the piston rod end face of side positioning hydraulic cylinders
Iron is further fixedly arranged on the positioning pin that can be matched with the dowel hole of parts to be processed, the side on the electromagnet
It positions hydraulic.It, can be by parts to be processed when allowing parts to be processed to pass through punching station by the way that positioning pin is arranged
Dowel hole or positioning process hole are positioned, and are guaranteed the position precision of punching, are then powered by side positioning electromagnet,
It allows side positioning electromagnet that parts to be processed to be firmly sucked, further increases the stability of positioning.
Further, the lower end of the column is fixedly connected with pedestal, and the upper end of the column is fixedly installed limit plate,
The limit switch for preventing lifting arm and limit plate from colliding, the shell and limit of the servo motor are additionally provided on the limit plate
Position plate is fixedly connected, and the feed screw nut to match with the screw rod of driving lifting arm lifting, silk are fixedly installed in the lifting arm
One end of bar is fixedly connected with the shaft of servo motor, and the other end and pedestal of screw rod are rotatablely connected by rolling bearing.Pass through
It limit switch is set on limit plate, hits limit plate after avoiding lifting arm from fast moving, limit plate is caused to fall off, allow falling
Limit plate or lifting arm injure operator by a crashing object.
Further, quantity >=3 of the lower part fixed mechanism.Lower part fixed mechanism quantity is not less than in the case where three
It is firm that parts to be processed can be fixed, and by or the positioning method of multiple spot one side, improves position stability at 3 points.
Further, the quantity of the lower part fixed mechanism is three, three lower part fixed mechanism distributions triangular in shape.
The beneficial effects of the utility model are as follows:
1, parts to be processed is utilized by lower part by the synergistic effect that lower part positioning hydraulic cylinders and lower part position battery iron
Positioning hydraulic cylinders are lifted up, to the lower part positioning battery Tie Tong electricity, using the magnetic force of electromagnet by parts to be processed firmly
It is sucked, the part punching processing on line easy to produce without parts to be processed to be lifted on pedestal from production line, eliminates
The time is lifted, shortens the production time, improves production efficiency.
2, the roller-way on production line is mounted on to the top of lower part fixed mechanism, meanwhile, roller-way transmits parts to be processed
Vertical with the direction of motion of side surface positioning device, side surface positioning device should be arranged in the outside of roller-way, and parts to be processed is from upper one
When procedure is transported to the position of the present apparatus by roller-way, first the position of parts to be processed is fixed by side surface positioning device, then
Parts to be processed is fixed by lower part fixed mechanism, then carries out punch operation.
It 3, can be by parts to be processed when allowing parts to be processed to pass through punching station by setting positioning pin
Dowel hole or positioning process hole are positioned, and are guaranteed the position precision of punching, are then powered by side positioning electromagnet,
It allows side positioning electromagnet that parts to be processed to be firmly sucked, further increases the stability of positioning.
4, by the way that limit switch is arranged on limit plate, limit plate is hit after avoiding lifting arm from fast moving, causes to limit
Plate falls off, and the limit plate fallen or lifting arm is allowed to injure operator by a crashing object.
5, parts to be processed can be fixed firm in the case that fixed mechanism quantity in lower part is not less than three, pass through three
The positioning method of point or multiple spot one side improves position stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the mounting structure schematic diagram of the utility model and roller-way；
The working principle structural schematic diagram of Fig. 3 the utility model；
Fig. 4 is the top view after the installation of the utility model and roller-way.
Appended drawing reference: 1- pedestal, 2- column, 3- lifting arm, 4- limit plate, 5- servo motor, 6- threephase asynchronous machine, 7-
Main shaft, the lower part 8- positioning hydraulic cylinders, the lower part 9- position battery iron, 10- support frame, 11- parts to be processed, 12- roller-way, the side 13-
Face positioning hydraulic cylinders, the side 14- positioning electromagnet, 15- positioning pin.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In addition, term " the
One ", " second " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it should be noted that the instructions such as term "inner", "outside", "upper"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings or when utility model product use usually puts
The orientation or positional relationship put, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.
Embodiment 1
As shown in Fig. 1 to 3, the present embodiment provides a kind of automatic production line puncher, including pedestal 1, it is erected at bottom
Column 2 on seat 1 is set on column 2 and the lifting arm 3 that can slide up and down under servo motor 5 and screw rod driving, institute
State that be vertically arranged on lifting arm 3 can be in the main shaft 7 of threephase asynchronous machine 6 being rotated by；It is provided on the pedestal 1
The lower part fixed mechanism that the bottom surface of parts to be processed 11 can be fixed, and the side that the side of parts to be processed 11 is fixed
Positioning mechanism, the lower part fixed mechanism includes lower part positioning hydraulic cylinders 8, and is fixed at lower part positioning hydraulic cylinders 8
The lower part of piston rod end face positions battery iron 9.The synergistic effect of battery iron 9 is positioned by lower part positioning hydraulic cylinders 8 and lower part
Parts to be processed 11 is lifted up using lower part positioning hydraulic cylinders 8, is powered in positioning battery iron 9 to the lower part, utilizes electromagnet
Magnetic force parts to be processed 11 is firmly sucked, the processing of part punching on line easy to produce does not have to parts to be processed 11
It is lifted on from production line on pedestal 1, eliminates the lifting time, shortened the production time, improve production efficiency.
Roller-way 12 on production line is mounted on to the top of lower part fixed mechanism, meanwhile, roller-way 12 transmits parts to be processed
11 it is vertical with the direction of motion of side surface positioning device, side surface positioning device should be arranged in the outside of roller-way 12, parts to be processed
11 when being transported to the position of the present apparatus by roller-way 12 from a upper procedure, first by side surface positioning device by parts to be processed 11
Position is fixed, then parts to be processed 11 is fixed by lower part fixed mechanism, and lower part positioning hydraulic cylinders 8, which are raised above, allows lower part
The upper surface of battery iron 9 and the following table face contact of parts to be processed 11 are positioned, is sucked after allowing lower part positioning battery iron 9 to be powered to be added
Work part 11, then punch operation is carried out, it avoids parts to be processed 11 when punching from sliding, causes safety accident.
Embodiment 2
As shown in Fig. 1 to 3, the present embodiment provides a kind of automatic production line puncher, including pedestal 1, it is erected at bottom
Column 2 on seat 1 is set on column 2 and the lifting arm 3 that can slide up and down under servo motor 5 and screw rod driving, institute
State that be vertically arranged on lifting arm 3 can be in the main shaft 7 of threephase asynchronous machine 6 being rotated by；It is provided on the pedestal 1
The lower part fixed mechanism that the bottom surface of parts to be processed 11 can be fixed, and the side that the side of parts to be processed 11 is fixed
Positioning mechanism, the lower part fixed mechanism includes lower part positioning hydraulic cylinders 8, and is fixed at lower part positioning hydraulic cylinders 8
The lower part of piston rod end face positions battery iron 9.The synergistic effect of battery iron 9 is positioned by lower part positioning hydraulic cylinders 8 and lower part
Parts to be processed 11 is lifted up using lower part positioning hydraulic cylinders 8, is powered in positioning battery iron 9 to the lower part, utilizes electromagnet
Magnetic force parts to be processed 11 is firmly sucked, the processing of part punching on line easy to produce does not have to parts to be processed 11
It is lifted on from production line on pedestal 1, eliminates the lifting time, shortened the production time, improve production efficiency.
Roller-way 12 on production line is mounted on to the top of lower part fixed mechanism, meanwhile, roller-way 12 transmits parts to be processed
11 it is vertical with the direction of motion of side surface positioning device, side surface positioning device should be arranged in the outside of roller-way 12, parts to be processed
11 when being transported to the position of the present apparatus by roller-way 12 from a upper procedure, first by side surface positioning device by parts to be processed 11
Position is fixed, then parts to be processed 11 is fixed by lower part fixed mechanism, and lower part positioning hydraulic cylinders 8, which are raised above, allows lower part
The upper surface of battery iron 9 and the following table face contact of parts to be processed 11 are positioned, is sucked after allowing lower part positioning battery iron 9 to be powered to be added
Work part 11, then punch operation is carried out, it avoids parts to be processed 11 when punching from sliding, causes safety accident.
Preferably, side surface positioning device includes the support frame 10 being fixed on pedestal 1, is fixed at support frame 10
On side positioning hydraulic cylinders 13, and be fixed at side positioning hydraulic cylinders 13 piston rod end face side positioning electromagnetism
Iron 14 is further fixedly arranged on the positioning pin 15 that can be matched with the dowel hole of parts to be processed 11 on the electromagnet 14,
The side positioning is hydraulic, and the lower end of support frame 10 is fixedly connected with pedestal 1 by screw, the cylinder barrel of side positioning hydraulic cylinders 13
It is fixed by the upper surface of bolt and support frame 10, side positioning hydraulic cylinders 13 are horizontally installed on support frame 10, while side
The piston rod of positioning hydraulic cylinders 13 is directed toward parts to be processed 11, the shell and side positioning hydraulic cylinders 13 of side positioning electromagnet 14
Piston rod welding.It, can be by be processed when allowing parts to be processed 11 to pass through punching station by the way that positioning pin 15 is arranged
Dowel hole or positioning process hole on part 11 are positioned, and are guaranteed the position precision of punching, are then positioned by side
Electromagnet 14 is powered, and allows side positioning electromagnet 14 that parts to be processed 11 to be firmly sucked, further increases the stability of positioning.
Embodiment 3
Shown in Fig. 1 to 3, the present embodiment provides a kind of automatic production line puncher, including pedestal 1, it is erected at pedestal 1
On column 2, be set on column 2 and the lifting arm 3 that can slide up and down under servo motor 5 and screw rod driving, it is described
Being vertically arranged on lifting arm 3 can be in the main shaft 7 of threephase asynchronous machine 6 being rotated by；Energy is provided on the pedestal 1
The fixed lower part fixed mechanism in enough bottom surfaces by parts to be processed 11, and the fixed side in the side of parts to be processed 11 is determined
Position mechanism, the lower part fixed mechanism includes lower part positioning hydraulic cylinders 8, and is fixed at the work of lower part positioning hydraulic cylinders 8
The lower part of stopper rod end face positions battery iron 9.It will by the synergistic effect that lower part positioning hydraulic cylinders 8 and lower part position battery iron 9
Parts to be processed 11 is lifted up using lower part positioning hydraulic cylinders 8, is powered in positioning battery iron 9 to the lower part, is utilized electromagnet
Parts to be processed 11 is firmly sucked magnetic force, the processing of part punching on line easy to produce, do not have to by parts to be processed 11 from
It is lifted on production line on pedestal 1, eliminates the lifting time, shortened the production time, improve production efficiency.
Roller-way 12 on production line is mounted on to the top of lower part fixed mechanism, meanwhile, roller-way 12 transmits parts to be processed
11 it is vertical with the direction of motion of side surface positioning device, side surface positioning device should be arranged in the outside of roller-way 12, parts to be processed
11 when being transported to the position of the present apparatus by roller-way 12 from a upper procedure, first by side surface positioning device by parts to be processed 11
Position is fixed, then parts to be processed 11 is fixed by lower part fixed mechanism, and roller-way 12 is arranged in lower part positioning battery iron 9
Two rollers between, lower part positioning hydraulic cylinders 8 be raised above allow lower part positioning battery iron 9 upper surface and parts to be processed 11
Following table face contact, parts to be processed 11 is sucked after allowing lower part positioning battery iron 9 to be powered, then carries out punch operation, avoids punching
When parts to be processed 11 slide, cause safety accident.
Preferably, the lower end of column 2 is bolted to connection with pedestal 1, and the upper end fixed setting of the column 2 is limited
Position plate 4, the limit switch for preventing lifting arm 3 and limit plate 4 from colliding, the servo motor 5 are additionally provided on the limit plate 4
Shell be bolted to connection with limit plate 4, be fixedly installed in the lifting arm 3 with driving lifting arm 3 go up and down silk
The feed screw nut that bar matches, feed screw nut are embedded in lifting arm 3, and one end of screw rod and the shaft of servo motor 5 pass through connection
Axis device is fixedly connected, and the other end and pedestal 1 of screw rod are rotatablely connected by rolling bearing, and rolling bearing is embedded on pedestal 1, is limited
Bit switch is touch switch, after lifting arm 3 is close to limit plate 4 and triggers limit switch, drives the servo motor of lifting arm 3
5 stop operating, and are merely able to carry out the movement of opposite direction, i.e. lifting arm 3 is merely able to move down.By being set on limit plate 4
Set limit switch, after avoiding lifting arm 3 from fast moving hit limit plate 4, cause limit plate 4 to fall off, allow the limit plate 4 fallen or
Person's lifting arm 3 injures operator by a crashing object.
The quantity of lower part fixed mechanism is three, three lower part fixed mechanism distributions triangular in shape.Lower part fixed mechanism quantity
Parts to be processed 11 can be fixed firm in the case where not less than three, pass through or the positioning side of multiple spot one side at 3 points
Formula improves position stability.
Claims (5)
1. a kind of automatic production line puncher, including pedestal (1), the column (2) being erected on pedestal (1), be set in it is vertical
It is on column (2) and perpendicular on servo motor (5) and the lower lifting arm (3) that can be slided up and down of screw rod driving, the lifting arm (3)
Directly being provided with can be in the main shaft (7) of threephase asynchronous machine (6) being rotated by；It is characterized by: being set on the pedestal (1)
It is equipped with lower part fixed mechanism that can be fixed by the bottom surface of parts to be processed (11), and the side of parts to be processed (11) is solid
Fixed side surface positioning device, the lower part fixed mechanism include lower part positioning hydraulic cylinders (8), and are fixed at lower part positioning
The lower part of the piston rod end face of hydraulic cylinder (8) positions battery iron (9), the upper surface of lower part positioning battery iron (9) with it is to be added
The following table face contact of work part (11).
2. automatic production line puncher according to claim 1, it is characterised in that: the side surface positioning device includes
The support frame (10) being fixed on pedestal (1), the side positioning hydraulic cylinders (13) being fixed on support frame (10), with
And it is fixed at the side positioning electromagnet (14) of the piston rod end face of side positioning hydraulic cylinders (13), the electromagnet (14)
On be further fixedly arranged on the positioning pin (15) that can be matched with the dowel hole of parts to be processed (11), the side positions liquid
Pressure.
3. automatic production line puncher according to claim 1, it is characterised in that: the lower end of the column (2) with
Pedestal (1) is fixedly connected, and the upper end of the column (2) is fixedly installed limit plate (4), is additionally provided on the limit plate (4)
The limit switch for preventing lifting arm (3) and limit plate (4) from colliding, the shell of the servo motor (5) and limit plate (4) are fixed
Connection, the lifting arm (3) is interior to be fixedly installed the feed screw nut to match with the screw rod of driving lifting arm (3) lifting, screw rod
One end be fixedly connected with the shaft of servo motor (5), the other end of screw rod and pedestal (1) pass through rolling bearing rotation connection.
4. automatic production line puncher according to claim 1, it is characterised in that: the number of the lower part fixed mechanism
Amount >=3.
5. automatic production line puncher according to claim 1, it is characterised in that: the number of the lower part fixed mechanism
Amount is three, three lower part fixed mechanism distributions triangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822017285.6U CN209094595U (en) | 2018-11-28 | 2018-11-28 | A kind of automatic production line puncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822017285.6U CN209094595U (en) | 2018-11-28 | 2018-11-28 | A kind of automatic production line puncher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209094595U true CN209094595U (en) | 2019-07-12 |
Family
ID=67162352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822017285.6U Expired - Fee Related CN209094595U (en) | 2018-11-28 | 2018-11-28 | A kind of automatic production line puncher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209094595U (en) |
-
2018
- 2018-11-28 CN CN201822017285.6U patent/CN209094595U/en not_active Expired - Fee Related
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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: 20190712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |