CN206009926U - A kind of automatic punching device for neodymium iron boron side's bar - Google Patents
A kind of automatic punching device for neodymium iron boron side's bar Download PDFInfo
- Publication number
- CN206009926U CN206009926U CN201620944235.0U CN201620944235U CN206009926U CN 206009926 U CN206009926 U CN 206009926U CN 201620944235 U CN201620944235 U CN 201620944235U CN 206009926 U CN206009926 U CN 206009926U
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- Prior art keywords
- feeding
- punching
- bar
- cylinder
- disk
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Links
- 238000004080 punching Methods 0.000 title claims abstract description 93
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000006698 induction Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims 2
- 238000012797 qualification Methods 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012913 prioritisation Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A kind of automatic punching device for neodymium iron boron side's bar disclosed in this utility model, including vibration feeding disk and punching workbench, setting up between vibration feeding disk and punching workbench has feeding guide, the end of feeding guide is provided with drop guide, drop guide be respectively provided on two sides with motor and punching disk, the output shaft of motor is connected by rotational band with punching disk, punching workbench is provided with punching knife bar, feeding device and poking device are additionally provided with punching workbench, feeding device includes feeding cylinder and U-shaped dispenser, poking device includes material toggling cylinder and L-type setting gauge, the lower end of L-type setting gauge is placed in the U-type groove of U-shaped dispenser.This utility model has the advantages that simple structure, manipulates convenient, high degree of automation, and the concordance that can ensure converted productss using this utility model improves the qualification rate of converted productss, and can effectively reduce labor intensity, improves process velocity and work efficiency.
Description
Technical field
This utility model is related to a kind of punch device, and in particular to a kind of automatic punching device for neodymium iron boron side's bar.
Background technology
In the production process of neodymium iron boron side's bar, traditional hole knockout is mainly carried out by bench drill, by manually will be to be punctured
Neodymium iron boron side's bar is fixed in frock, is clamped on chuck by selecting suitable drill bit, by drill bit to good neodymium iron boron side bar
Center is drilled, and completes drilling operation successively one by one.Traditional neodymium iron boron side's bar hole knockout is due to fully relying on
Artificial operating board drilling row punch operation, it is difficult to ensure that the concordance of product, and the workmanship to operator and skilled journey
Degree has higher requirement；In drill process, often because of the inaccurate position degree for being directed at hole, coaxial of dop frock manual positioning
Degree does not meet prescription, not only have impact on conforming product rate, and wastes significantly human and material resources.In addition, traditional neodymium iron boron
, due to being required for manual feeding, Manual drilling every time, its process velocity is also relatively slow for square bar hole knockout, and work efficiency is more
Lowly.
Utility model content
The purpose of this utility model is to provide a kind of automatic punching device for neodymium iron boron side's bar, and which has structure letter
Single, manipulation is convenient, the advantage of high degree of automation, and the concordance that can ensure converted productss using this utility model improves processing
The qualification rate of product, and can effectively reduce labor intensity, improve process velocity and work efficiency.
Concordance for solving its converted products for existing of traditional neodymium iron boron side's bar hole knockout in prior art is poor,
Conforming product rate is relatively low, and the slower problem of process velocity, and it is a kind of for the automatic of neodymium iron boron side's bar that this utility model is provided
Perforating device, including vibration feeding disk and punching workbench, wherein, setting up between the vibration feeding disk and punching workbench has
Feeding guide, the end of feeding guide be provided with drop guide, and drop guide is respectively provided on two sides with motor and punching disk, and motor is by electricity
Support is fixed on punching workbench, and punching disk is connected with mounting seat by power transmission shaft, and mounting seat is fixed on punching workbench,
Punching disk is connected by rotational band with punching disk, is beaten relative to material card, the output shaft of motor is provided with the middle part of the opposite side of mounting seat
Punching knife bar is provided with the position of alignment material card on the workbench of hole, on punching workbench, feeding device and poking device is additionally provided with,
The feeding device includes feeding cylinder and U-shaped dispenser, and the output shaft of feeding cylinder is vertical with a lateral wall of U-shaped dispenser
It is fixedly connected；The poking device includes the output of material toggling cylinder and L-type setting gauge, the upper end of L-type setting gauge and material toggling cylinder
Axle is fixedly connected, and the lower end of L-type setting gauge is placed in the U-type groove of U-shaped dispenser；
During feeding, end of the U-shaped dispenser in drop guide simultaneously makes the U-type groove of U-shaped dispenser be directed at drop guide
Guide passage, during feeding, U-shaped dispenser is moved to and the corresponding position of material card by feeding air cylinder driven, and passes through material toggling gas
Cylinder drives L-type setting gauge to dial in neodymium iron boron side's bar in material card, wherein, in feeding and feeding process, and material toggling cylinder and L-type are dialled
Glassware and U-shaped dispenser synchronizing moving.
Further, a kind of automatic punching device for neodymium iron boron side's bar of this utility model, wherein, is additionally provided with detection fixed
Position device, the detection positioner include that induction apparatuss, positioning cylinder and positioning clamping pin, induction apparatuss are arranged at drop guide and punching
Between disk, and induction apparatuss is electrically connected with the controller of motor, punching knife bar, feeding cylinder and poking device respectively, position gas
Cylinder is fixed on by support in the mounting seat of punching disk, and makes the output shaft of positioning cylinder down, the upper end of positioning clamping pin with fixed
The output shaft of position cylinder is fixedly connected, and offers locating slot on power transmission shaft perisporium corresponding with positioning cylinder.
Further, a kind of automatic punching device for neodymium iron boron side's bar of this utility model, wherein, the feeding guide
Be provided with the wide structure of tune, adjust wide structure to include adjustable plate and regulating bolt, the adjustable plate in the chute feeder of guide guide rail simultaneously
Arrange along its length, the regulating bolt is connected through the side wall of feeding guide with adjustable plate.
Further, a kind of automatic punching device for neodymium iron boron side's bar of this utility model, wherein, the regulating bolt
It is provided with along the length direction of feeding guide multiple.
Further, a kind of automatic punching device for neodymium iron boron side's bar of this utility model, wherein, the loading plate peace
It is mounted on adjustable high trestle, adjustable high trestle is provided with heightens valve.
A kind of automatic punching device for neodymium iron boron side's bar of this utility model compared with prior art, with following excellent
Point：This utility model passes through to arrange vibration feeding disk and punching workbench, and in vibration feeding disk and a structure of an essay for the workbench that punches
If feeding guide, drop guide is set in the end of feeding guide, motor and punching disk is respectively provided with the both sides of drop guide, allows electricity
Machine is fixed on punching workbench by motor cabinet, is allowed punching disk to be connected with mounting seat by power transmission shaft, is allowed mounting seat to be fixed on
On punching workbench, in punching disk relative to material card is arranged in the middle part of mounting seat opposite side, the output shaft of motor and punching disk is allowed to lead to
Rotational band connection is crossed, and expects that the position of card arranges the knife bar that punches punching on workbench and being aligned.Meanwhile, on punching workbench
Feeding device and poking device are set, and feeding device includes feeding cylinder and U-shaped dispenser, allow the output shaft and U of feeding cylinder
One lateral wall of type dispenser is vertically fixedly connected；Poking device includes material toggling cylinder and L-type setting gauge, allows L-type setting gauge
Upper end is fixedly connected with the output shaft of material toggling cylinder, and allows the lower end of L-type setting gauge to be placed in the U-type groove of U-shaped dispenser.Feeding
When, allow U-shaped dispenser to be in the end of drop guide and make the guide passage of the U-type groove alignment drop guide of U-shaped dispenser, feeding
When, allow U-shaped dispenser to move to and the corresponding position of material card by feeding air cylinder driven, and dialled by material toggling air cylinder driven L-type
Glassware dials in neodymium iron boron side's bar in material card, and wherein, in feeding and feeding process, material toggling cylinder and L-type setting gauge are taken with U-shaped
Glassware synchronizing moving.Simple structure, manipulation are just constituted by above structure setting convenient, high degree of automation for neodymium ferrum
The automatic punching device of boron side's bar.In actual applications, first, the neodymium iron boron side's bar to be punctured in vibration feeding disk passes through feeding
Guide rail, drop guide are transported in U-shaped dispenser；Then, U-shaped dispenser is moved to corresponding with material card by feeding air cylinder driven
Position, and dialled in neodymium iron boron side's bar to be punctured in material card by material toggling air cylinder driven L-type setting gauge, material card is to neodymium iron boron to be punctured
Square bar is clamped；Then, U-shaped dispenser, material toggling cylinder and L-type setting gauge reset and get out of the way the precession path of punching knife bar,
Motor drives punching disc spins by rotational band, while knife bar feed of punching is punched to neodymium iron boron side's bar to be punctured, and
Reset after completing punching；Finally, material Kazon opens the clamping to neodymium iron boron side's bar, and operator take the neodymium iron boron side after punching away
Bar.So far the punch operation of neodymium iron boron side's bar is completed, and is circulated in this way perforation processing is carried out to neodymium iron boron side's bar.
By above analysis, the characteristics of this utility model has registration, high degree of automation, converted productss are can effectively ensure that
Concordance, improve the qualification rate of converted productss, and labor intensity can be reduced, improve process velocity and work efficiency.
The illustrated embodiment automatic punching device for neodymium iron boron side's bar a kind of to this utility model is made below in conjunction with the accompanying drawings
Further describe：
Description of the drawings
A kind of view stereo figures of the Fig. 1 for a kind of automatic punching device for neodymium iron boron side's bar of this utility model；
Fig. 2 is the close-up schematic view of the a-quadrant in Fig. 1；
Another view stereo figures of the Fig. 3 for a kind of automatic punching device for neodymium iron boron side's bar of this utility model；
Fig. 4 is a kind of top view of the automatic punching device for neodymium iron boron side's bar of this utility model；
Fig. 5 is that a kind of visual angle of feeding device in a kind of automatic punching device for neodymium iron boron side's bar of this utility model is stood
Body figure；
Fig. 6 is that another visual angle of feeding device in a kind of automatic punching device for neodymium iron boron side's bar of this utility model is stood
Body figure；
Fig. 7 is that a kind of visual angle of poking device in a kind of automatic punching device for neodymium iron boron side's bar of this utility model is stood
Body figure；
Fig. 8 is that another visual angle of poking device in a kind of automatic punching device for neodymium iron boron side's bar of this utility model is stood
Body figure.
Specific embodiment
A kind of specific embodiment party of the automatic punching device for neodymium iron boron side's bar of this utility model as shown in Figures 1 to 8
Formula, including vibration feeding disk 1 and punching workbench 2, and sets up feeding guide between vibration feeding disk 1 and punching workbench 2
3, drop guide 4 is set in the end of feeding guide 3, motor 5 and punching disk 6 is respectively provided with the both sides of drop guide 4, allow motor 5
It is fixed on punching workbench 2 by motor cabinet 51, allows punching disk 6 to be connected with mounting seat 62 by power transmission shaft 61, allow mounting seat
62 are fixed on punching workbench 2, and in the middle part of punching opposite side of the disk 6 relative to mounting seat 62 are provided with material card 63, allow motor 5
Output shaft with punching disk 6 be connected by rotational band.Meanwhile, on punching workbench 2, the position of alignment material card 63 arranges punching
Knife bar 7, arranges feeding device 8 and poking device 9 on punching workbench 2.Feeding device 8 includes feeding cylinder 81 and U-shaped takes
Glassware 82, allows the output shaft of feeding cylinder 81 vertical with a lateral wall of U-shaped dispenser 82 to be fixedly connected.Poking device 9 includes
Material toggling cylinder 91 and L-type setting gauge 92, be fixedly connected with the output shaft of material toggling cylinder 91 by be allowed the upper end of L-type setting gauge 92, and make L
The lower end of type setting gauge 92 is placed in the U-type groove of U-shaped dispenser 82.
In feeding, U-shaped dispenser 82 is allowed to be in the end of drop guide 4 and make the U-type groove of U-shaped dispenser 82 be directed at guide
The guide passage of device 4, in feeding, driven by feeding cylinder 81 by be allowed U-shaped dispenser 82 and is moved to and 63 corresponding positions of material card
Put, and drive L-type setting gauge 92 neodymium iron boron side's bar to be dialled in material card 63 by material toggling cylinder 91.Wherein, in feeding and feeding
During, allow material toggling cylinder 91 and L-type setting gauge 92 and 82 synchronizing moving of U-shaped dispenser.
Simple structure, manipulation are just constituted by above structure setting convenient, high degree of automation for neodymium iron boron side
The automatic punching device of bar.In actual applications, first, the neodymium iron boron side's bar to be punctured in vibration feeding disk 1 is led by feeding
Rail 3, drop guide 4 are transported in U-shaped dispenser 82；Then, U-shaped dispenser 82 is driven by feeding cylinder 81 and is moved to and material card
63 corresponding positions, and drive L-type setting gauge 92 to dial in neodymium iron boron side's bar to be punctured in material card 63 by material toggling cylinder 91, material card
63 pairs of neodymium iron boron side's bars to be punctured are clamped；Then, U-shaped dispenser 82, material toggling cylinder 91 and L-type setting gauge 92 are resetted
And the precession path of punching knife bar 7 is got out of the way, motor 5 drives punching disk 6 to rotate by rotational band, and punching 7 feed of knife bar is treated dozen
Hole neodymium iron boron side bar is punched, and row resets when completing after punching；Finally, material card 63 unclamps the folder to neodymium iron boron side's bar
Tightly, operator take the neodymium iron boron side's bar after punching away.So far the punch operation of neodymium iron boron side's bar, and side according to this are completed
Formula circulation carries out perforation processing to neodymium iron boron side's bar.As can be seen here, this utility model has registration, high degree of automation
Feature, can effectively ensure that the concordance of converted productss, improves the qualification rate of converted productss, and can reduce labor intensity, improves and adds
Work speed and work efficiency.
Used as prioritization scheme, this specific embodiment is also provided with detecting positioner.Detection positioner is specifically included
Induction apparatuss 10, positioning cylinder 11 and positioning clamping pin 12.Allow induction apparatuss 10 to be arranged between drop guide 4 and punching disk 6, and make sensing
Device 10 is electrically connected with the controller of motor 5, punching knife bar 7, feeding cylinder 81 and poking device 9 respectively, allows positioning cylinder 11 to lead to
Cross support 13 to be fixed in the mounting seat 62 of punching disk 6, and make the output shaft of positioning cylinder 11 down, allow the upper of positioning clamping pin 12
End is fixedly connected with the output shaft of positioning cylinder 11, and makes power transmission shaft 61 open up positioning with 11 corresponding perisporium of positioning cylinder
Groove.The convenience of control and the accuracy of positioning can be improved by above structure setting.When U-shaped dispenser 82 is in feeding process
When induction apparatuss 10, induction apparatuss 10 sense that neodymium iron boron side's bar to be punctured will be transmitted to material card 63, and induction apparatuss 10 are by signal
Transmit the controller to motor 5 and allow motor 5 to stall, while allowing positioning cylinder 11 to work and positioning clamping pin 12 is inserted power transmission shaft
In locating slot on 61, with ensure to expect card 63 is static when direction and neodymium iron boron side's bar to be punctured state consistency, so as to wait to beat
Hole neodymium iron boron side bar is easier into pan feeding card 63.When neodymium iron boron side's bar to be punctured is dialled in material card 63 by L-type setting gauge 92 and is fixed
Afterwards, induction apparatuss 10 provide signal simultaneously and start by feeding cylinder 81, make U-shaped dispenser 82, material toggling cylinder 91 and L-type setting gauge 92
Reset, and start positioning cylinder 11 so as to detach in locating slot of the positioning clamping pin 12 from power transmission shaft 61.Simultaneously signal is passed
Transport to the controller of motor 5 and start motor 5, motor 5 drives punching disk 6 to rotate by rotational band, and makes 7 feed of punching knife bar
To punch to neodymium iron boron side's bar.By above structure setting, make the personnel can be while operate 5 perforating devices, significantly
The efficiency of neodymium iron boron side's bar punching is improve, greatly promotes production capacity, while eliminating artificial unstable factor, improved
Passing rate of processing.
Used as further prioritization scheme, this specific embodiment allows feeding guide 3 to be provided with the wide structure of tune.Adjust wide structure tool
Body includes adjustable plate 31 and regulating bolt 32, allows adjustable plate 31 to arrange in the chute feeder of guide guide rail 3 and along its length,
Regulating bolt 32 is allowed to be connected through the side wall of feeding guide 3 with adjustable plate 31.This structure setting can pass through to rotate regulating bolt
32 make adjustable plate 31 advance or retreat, so as to reach the purpose of the feeding well width of adjustment feeding guide 3 so as to fit difference
The perforation processing of neodymium iron boron side's bar of specification, the scope of application of the equipment of expansion.Wherein regulating bolt 32 can be along feeding guide 3
Length direction is provided with multiple.In addition, for guaranteeing that feeding is smooth, this specific embodiment allows loading plate 1 to be arranged on adjustable high trestle
On 14, and it is provided with adjustable high trestle 14 and heightens valve 15.Valve 15 is heightened by manipulation and can achieve the height to loading plate 1
Adjust, have the advantages that simple structure, simple operation.
Above example is only the description carried out by preferred implementation of the present utility model, not please to this utility model
The restriction for asking protection domain to carry out, on the premise of without departing from this utility model design principle and spirit, this area engineering technology
The various forms of deformations that personnel are made according to the technical solution of the utility model, all should fall into this utility model claims
Determined by protection domain.
Claims (5)
1. a kind of automatic punching device for neodymium iron boron side's bar, including vibration feeding disk (1) and punching workbench (2), which is special
Levy and be, setting up between vibration feeding disk (1) and punching workbench (2) has feeding guide (3), and feeding guide (3) is not
End is provided with drop guide (4), and drop guide (4) is respectively provided on two sides with motor (5) and punching disk (6), and motor (5) is by motor cabinet
(51) it is fixed in punching workbench (2), punching disk (6) is connected with mounting seat (62) by power transmission shaft (61), mounting seat (62)
It is fixed in punching workbench (2), in the middle part of opposite side of the disk (6) relative to mounting seat (62) that punch, is provided with material card (63), motor
(5) output shaft is connected by rotational band with punching disk (6), is provided with the position of alignment material card (63) on the workbench (2) that punches
Punching knife bar (7), is additionally provided with feeding device (8) and poking device (9) in punching workbench (2), and feeding device (8) include
Feeding cylinder (81) and U-shaped dispenser (82), the output shaft of feeding cylinder (81) are vertical with a lateral wall of U-shaped dispenser (82)
It is fixedly connected；Described poking device (9) include material toggling cylinder (91) and L-type setting gauge (92), the upper end of L-type setting gauge (92) and
The output shaft of material toggling cylinder (91) is fixedly connected, and the lower end of L-type setting gauge (92) is placed in the U-type groove of U-shaped dispenser (82)；
During feeding, the end of described U-shaped dispenser (82) in drop guide (4) simultaneously leads the U-type groove alignment of U-shaped dispenser (82)
The guide passage of glassware (4), during feeding, U-shaped dispenser (82) are driven by feeding cylinder (81) and move to and expect that card (63) is right
The position that answers, and drive L-type setting gauge (92) to dial in material card (63), wherein neodymium iron boron side's bar by material toggling cylinder (91),
In feeding and feeding process, material toggling cylinder (91) and L-type setting gauge (92) and U-shaped dispenser (82) synchronizing moving.
2., according to a kind of automatic punching device for neodymium iron boron side's bar described in claim 1, its feature exists, and is additionally provided with detection
Positioner, the detection positioner include induction apparatuss (10), positioning cylinder (11) and positioning clamping pin (12), induction apparatuss (10)
It is arranged between drop guide (4) and punching disk (6), and makes induction apparatuss (10) respectively with motor (5), punch knife bar (7), feeding gas
The controller electrical connection of cylinder (81) and poking device (9), positioning cylinder (11) are fixed on the peace of punching disk (6) by support (13)
On dress seat (62), and make the output shaft of positioning cylinder (11) down, the upper end of positioning clamping pin (12) is defeated with positioning cylinder (11)
Shaft is fixedly connected, and offers locating slot on power transmission shaft (61) perisporium corresponding with positioning cylinder (11).
3., according to a kind of automatic punching device for neodymium iron boron side's bar described in claim 2, its feature exists, and the feeding is led
Rail (3) is provided with the wide structure of tune, adjusts wide structure to include that adjustable plate (31) and regulating bolt (32), described adjustable plate (31) are in guide
Arrange in the chute feeder of guide rail (3) and along its length, described regulating bolt (32) side wall and regulation through feeding guide (3)
Plate (31) connects.
4., according to a kind of automatic punching device for neodymium iron boron side's bar described in claim 3, its feature exists, the regulation spiral shell
Bolt (32) along feeding guide (3) length direction be provided with multiple.
5., according to a kind of automatic punching device for neodymium iron boron side's bar described in claim 4, its feature exists, the loading plate
(1) on adjustable high trestle (14), adjustable high trestle (13) are provided with and heighten valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620944235.0U CN206009926U (en) | 2016-08-25 | 2016-08-25 | A kind of automatic punching device for neodymium iron boron side's bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620944235.0U CN206009926U (en) | 2016-08-25 | 2016-08-25 | A kind of automatic punching device for neodymium iron boron side's bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206009926U true CN206009926U (en) | 2017-03-15 |
Family
ID=58252727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620944235.0U Expired - Fee Related CN206009926U (en) | 2016-08-25 | 2016-08-25 | A kind of automatic punching device for neodymium iron boron side's bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206009926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935321A (en) * | 2021-01-25 | 2021-06-11 | 安徽新科磁业有限公司 | Automatic perforating device of cylinder neodymium iron boron |
-
2016
- 2016-08-25 CN CN201620944235.0U patent/CN206009926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935321A (en) * | 2021-01-25 | 2021-06-11 | 安徽新科磁业有限公司 | Automatic perforating device of cylinder neodymium iron boron |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170315 |