CN203695955U - High-density material loading vibrating device - Google Patents
High-density material loading vibrating device Download PDFInfo
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- CN203695955U CN203695955U CN201320711428.8U CN201320711428U CN203695955U CN 203695955 U CN203695955 U CN 203695955U CN 201320711428 U CN201320711428 U CN 201320711428U CN 203695955 U CN203695955 U CN 203695955U
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- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000003825 pressing Methods 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000956 alloy Substances 0.000 abstract description 10
- 238000005204 segregation Methods 0.000 abstract description 8
- 239000012254 powdered material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 16
- 230000007423 decrease Effects 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- 238000004663 powder metallurgy Methods 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 2
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model discloses a high-density material loading vibrating device and aims to solve the problems that when high-density element powdered material containing different components is loaded, segregation and layering of the material occur, the loading is not uniform, and the tap density cannot meet the requirements if the existing universal machine or an electromagnetic vibrating platform is adopted. The high-density material loading vibrating device comprises an air supply device 1, a control system 2 and a vibrating platform 3, wherein the control system is connected with the air supply device and the vibrating platform respectively. The high-density material loading vibrating device can be used in the field of loading and forming of the high-density alloy material; with adoption of the high-density material loading vibrating device, the problems that when high-density alloy material is loaded and formed in a vibrating manner, segregation and layering of powder occur and the tap density cannot meet the requirements if the existing machine or the electromagnetic vibrating platform is adopted are solved; according to the high-density material loading vibrating device, the vibrational frequency is a few times per minute, the amplitude can reach a few hundreds of millimeters, and the accelerated speed is close to that of a freely falling body; the high-density material loading vibrating device can meet the loading requirement of the high-density element powdered material containing different components and has a better loading effect.
Description
Technical field
The utility model relates to forming material powder field, can be used in the vibration charging link in high-density powder metallurgy formed product process.
Background technology
In powder metallurgy forming technique, vibrate the process procedure that is absolutely necessary of feeding.For composition, single or density variation is compared with for little low-density powder, and the frequency of existing machinery or electromagnetic vibration generator system, amplitude, acceleration can meet the charging requirement of this type of powder, and the uniformity of charging and tap density also can reach technological requirement.
But, for the high density element powders material that contains heterogeneity, as tungsten-bast alloy, because the density of different elements differs larger, adopt existing machinery or electromagnetic vibration generator system can not meet its charging requirement.The main problem that has following two aspects: 1) adopt existing machinery or electromagnetic vibration generator system to carry out when filling with substance to the high density element powders material that contains heterogeneity, easily cause segregation and the layering of different dusty materials, finally cause non-uniform charging; 2) existing machinery or electromagnetic vibration generator system carry out when filling with substance to this type of material, because tap density is lower, do not reach charging requirement, do not reach due charge in mould.
In order to address the above problem, in the urgent need to a kind of vibration feeding device that can be applicable to the high density element powders material that contains heterogeneity.
Utility model content
Goal of the invention of the present utility model is: for the high density element powders material that contains heterogeneity at when filling with substance, adopt existing general machinery or electromagnetic vibration generator system, there is material segregation and layering, non-uniform charging, and the problems such as tap density can not meet the demands, provide a kind of high density material charging vibrating device.The utility model is a kind of low frequency large amplitude high density material charging vibrating device, can be used in heavy alloy material (as tungsten-bast alloy) material charging forming field.This device has solved in heavy alloy material vibrating material charging forming process, powder segregation, layering and tap density that existing machinery or electromagnetic vibration generator system exist do not reach the problem of requirement, the vibration frequency of this device is per minute to be only had several times, amplitude can reach hundreds of millimeter, acceleration is close to freely falling body, can effectively meet the charging requirement of the high density element powders material that contains heterogeneity, there is good charging effect.The utility model is simple in structure, easy to operate, and reliability is high.
To achieve these goals, the utility model adopts following technical scheme:
High density material charging vibrating device, comprises feeder, shake table, control system, and described control system is connected with feeder, shake table respectively;
Described shake table comprises base, be arranged on the column on base, the brace table being connected with column, the workbench matching with brace table, the support bar being connected with workbench, be arranged on the positioning and guiding parts on column, fastening screw, tension spring, throw off block, be arranged on the guide post on positioning and guiding parts, be arranged on the cylinder on base, be arranged on the connector on cylinder, on described support bar, be provided with stopper slot, on described positioning and guiding parts, be provided with one group make fastening screw can along continuous straight runs the limited roller of motion, described tension spring two ends are connected with column with fastening screw respectively, the lower end of described disengagement block is upside-down triangle shape, described fastening screw is provided with throwing off block and moves up and down the connecting rod matching near one end of cylinder, throw off block lower end respectively with positioning and guiding parts, connecting rod joins, and guide post vertically, through throwing off block, is also provided with the recovery spring resetting for throwing off block on described guide post, and the expansion link of cylinder is connected with disengagement block by connector.
Connector comprises the pressing plate, the depression bar that are arranged on Telescopic-cylinder bar, and pressing plate is connected with disengagement block by depression bar.
Also comprise the magnetic switch being arranged on cylinder.
Also comprise part mould, described part mould is arranged on workbench.
Also comprise leading block, described leading block is arranged on column.
Also comprise the gag lever post being connected with brace table, the leading block matching with column, described leading block is arranged on gag lever post.
Described pressing plate is circular.
On described brace table, be provided with beam.
Described feeder comprises air compressor, air accumulator, dried-air drier, air filter machine, magnetic valve, speed control valve, described air compressor, air accumulator, dried-air drier, air filter machine, magnetic valve, speed control valve are connected successively by pipeline, on pipeline between described air accumulator and dried-air drier, be provided with ball valve, described speed control valve is connected with top, the bottom of cylinder respectively by pipeline, and described magnetic valve, speed control valve are connected with control system respectively.
Described control system comprises PLC, HMI controller, and described PLC is for process control, and described HMI controller is for parameter input and human-machine conversation control.
When the utility model work, first control system makes feeder to gas in-cylinder fuel supply, and the expansion link band dynamic pressure plate of cylinder is moved up, and workbench jack-up, support bar moves with workbench.In the time that workbench arrives desired location, under the effect of tension spring, fastening screw inserts in the stopper slot of support bar, thereby makes table positions.Now, control system control magnetic valve stops feeder air feed, and postpones certain hour, and control system is controlled again the reverse air feed of magnetic valve.The expansion link band dynamic pressure plate of cylinder starts to decline, when pressing plate drops to after certain position, pressing plate can be pressed in and throw off on the depression bar that block is connected, promoting to throw off block moves down along guide post, because the lower end of throwing off block is upside-down triangle shape, throw off both sides, block lower end respectively with positioning and guiding parts, connecting rod join (being clipped between positioning and guiding parts and connecting rod), in the process moving down at disengagement block, throwing off block increases the distance between positioning and guiding parts and connecting rod gradually, and positioning and guiding parts are arranged on column, thereby connecting rod is moved to the inside.Under the drive of connecting rod, fastening screw also moves to the inside, pulls out the most at last in the stopper slot of fastening screw along limited roller from support bar.Because support bar is connected with workbench, when fastening screw pulls out in the stopper slot of support bar, workbench can fall with the form that approaches the movement of falling object, and workbench contacts with brace table collision, produces vibrating effect.
The expansion link of cylinder is not connected with workbench, and pressing plate is in the time rising, and can play the effect that push work platform rises, and when decline, pressing plate can be pressed in and throw off on the depression bar that block is connected.Press down disengagement block by depression bar, thereby fastening screw is deviate from from stopper slot, workbench loses support, finally declines with the form of the movement of falling object.
The diverse structure of the utility model employing and existing machinery or electromagnetic vibration generator system, it is simple in structure, be skillfully constructed, easy to use.Pressing plate is circular, is also provided with the pulley that several match with support bar on brace table.Pulley in the utility model can play the effect that reduces friction, improves the decrease speed of workbench.On column, be provided with positioning and guiding parts, on positioning and guiding parts, be provided with the one group of limited roller matching with fastening screw, fastening screw is arranged between upper and lower spacing roller, thereby fastening screw can be moved by along continuous straight runs, fastening screw is completed and insert in stopper slot and the action of taking out from stopper slot, workbench operation is more steady.
Magnetic switch is arranged on cylinder.Magnetic switch can be responded to the position of workbench, and when workbench arrives after desired location, magnetic switch has induction and sends signal to control system.By changing the position of magnetic switch or stopper slot, can change the amplitude of shake table.
On brace table, be provided with beam, beam can be used in the crusherbull zone of workbench and brace table.
The magnetic valve that feeder comprises source of the gas, is connected with source of the gas, source of the gas is air compressor and air accumulator, and magnetic valve is connected with cylinder end by pipeline, and magnetic valve is connected with control system.Gas in source of the gas, enters in cylinder by pipeline after magnetic valve, and control system can be controlled magnetic valve.Further, magnetic valve is connected with cylinder top, bottom respectively by pipeline.Adopt this kind of mode, the gas in source of the gas can enter cylinder top, improves the decrease speed of pressing plate.Further, also comprise speed control valve, speed control valve can be controlled the gas velocity entering in cylinder, to reach the object of controlling vibration frequency.Further air compressor and the air accumulator in feeder can be served as source of the gas, and dried-air drier can be dried gas, and air filter machine can filter gas, to extend the service life of cylinder.Magnetic valve is for controlling the break-make of gas return path, and speed control valve can regulate the vibration frequency of vibrating device.Gas Negotiation speed control valve enters cylinder end, and the expansion link of cylinder is upwards risen, and when arriving after desired location, stops to bottom air feed, and gas enters in cylinder from cylinder top, and the gas of bottom is discharged, and the expansion link in cylinder starts to decline.
Control system comprises PLC, HMI controller, and PLC is for process control, and HMI controller is for parameter input and human-machine conversation control.Workflow is as follows: 1) after Vibration on Start-up, PLC controls magnetic valve makes the compressed air of air compressor generation enter into cylinder end, and the expansion link push work platform of cylinder rises; 2), in the time that workbench rises to desired location, fastening screw, under the effect of tension spring, inserts in the stopper slot of support bar, thereby makes table positions; 3) workbench arrives after desired location, and magnetic switch has to be responded to and provides signal, and PLC controls magnetic valve makes compressed air enter from cylinder top, and the compressed air of bottom is discharged, and the expansion link of cylinder starts to decline; 4) when the expansion link of cylinder drops to certain position, pressing plate can be pressed on depression bar, promotes fastening screw, thereby fastening screw is pulled out in the stopper slot of support bar by throwing off block; 5) workbench loses after the support of fastening screw, falls, and contact with brace table collision with the form that approaches the movement of falling object, produces vibrating effect.
Vibration frequency can regulate by Negotiation speed control valve, and amplitude and vibration number arrange by HMI.For example: the parameter on HMI arranges picture amplitude is set, several different vibration amplitudes can be set respectively.
Structures shape of the present utility model the mode of vibration of low frequency, large amplitude, acceleration approaches 9.8m/s
2, meet the vibration charging feature of heavy alloy element powders.In embodiment 1 of the present utility model, the amplitude of device can reach 500mm.The problems such as the utility model can solve in vibration charging process preferably, and segregation, layering and tap density between different element powders are low, are specially adapted to the vibration charging distributed more widely of powder density scope.
Frequency of the present utility model is low, amplitude is large, acceleration is little, for the vibration charging of the large-scale heavy alloy material such as spherical, tubular, cylindricality and annular of hundreds of kilogram, can effectively improve charging quality, for example, in the vibration charging of tungsten alloy material, tap density is by existing 7g/cm
3bring up to 8g/cm
3.The simultaneously raising of tap density, is also conducive to Mold Making and follow-up compressing.The utility model can be used in large scale, the high-density powder metallurgy product charging process procedure in forming process, and have advantages of simple in structure, reliability is high, easy to operate.
Brief description of the drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of feeder in the utility model.
Fig. 3 is the generalized section of shake table in the utility model.
Mark in figure: 1 is feeder, 2 is control system, 3 is shake table, 4 is air compressor, 5 is air accumulator, 6 is ball valve, 7 is dried-air drier, 8 is air filter machine, 9 is magnetic valve, 10 is speed control valve, 11 is depression bar, 12 for throwing off block, 13 is leading block, 14 is tension spring, 15 is stopper slot, 16 is support bar, 17 is magnetic switch, 18 is base, 19 is pressing plate, 20 is workbench, 21 is brace table, 22 is guide post, 23 for recovering spring, 24 is positioning and guiding parts, 25 is fastening screw, 26 is limited roller, 27 is cylinder, 28 is column, 29 is part mould, 30 is connecting rod, 31 is gag lever post.
Detailed description of the invention
Disclosed all features in this description, or step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this description, unless narration especially all can be replaced by other equivalences or the alternative features with similar object.,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
Embodiment 1
As shown in the figure, the major parameter of the present embodiment device is as follows: the appearance and size φ 1000mm of workbench 20, and maximum load 1000kg, amplitude is divided into 300,400, tri-kinds of 500mm, and vibration frequency is 5 times/min.
The device of this enforcement comprises feeder 1, shake table 3, control system 2, and control system 2 is connected with feeder 1, shake table 3 respectively.The cylinder 27 that feeder 1 is shake table 3 provides compressed air as vibration power, and control system 2 is controlled feeder 1, shake table 3 respectively.
Shake table 3 comprises base 18, column 28, brace table 21, workbench 20, support bar 16, positioning and guiding parts 24, guide post 22, fastening screw 25, throws off block 12, tension spring 14, cylinder 27, connector.
Column 28 is arranged on base 18, and brace table 21 is connected with column 28, and base 18, column 28, brace table 21 interconnect, and forms the framework of shake table 3, and column 28 can play the supporting role to brace table 21.Support bar 16 matches with column 28, and workbench 20 is connected with support bar 16, and workbench 20 matches with brace table 21, is also provided with several stopper slots 15 on support bar 16.Positioning and guiding parts 24 are arranged on column 28, guide post 22 is arranged on positioning and guiding parts 24, on positioning and guiding parts 24, be also provided with one group of limited roller 26, limited roller 26 lays respectively at the both sides up and down of fastening screw 25, can make fastening screw 25 along continuous straight runs motions.The lower end of throwing off block 12 is upside-down triangle shape, and fastening screw 25 is provided with throwing off block 12 and moves up and down the connecting rod 30 matching near one end of cylinder 27, throws off block 12 between positioning and guiding parts 24 and connecting rod 30.In the process moving down at disengagement block 12, throwing off block 12 increases the distance between positioning and guiding parts 24 and connecting rod 30 gradually, and positioning and guiding parts 24 are arranged on column 28, thereby connecting rod 30 is moved to the inside, under the drive of connecting rod 30, fastening screw 25 also moves to the inside, the stopper slot 15 interior pull-out of fastening screw 25 along limited roller 26 from support bar 16 the most at last.Tension spring 14 two ends are connected with column 28 with fastening screw 25 respectively, and tension spring 14 can provide pressure for the insertion of fastening screw 25.In the expansion link uphill process of cylinder 27, the downward pressure disappearance that it applies throwing off block 12, tension spring 14 can drive connecting rod 30 to move at edge laterally, finally makes fastening screw 25 insert in stopper slot 15, plays the effect of location.Guide post 22, vertically through throwing off block 12, carries out spacingly to throwing off block 12, is also provided with the recovery spring 23 resetting for throwing off block 12 on guide post 22.Guide post 22 can play guide effect for throwing off block 12, ensures to throw off block 12 and vertically moves, and recovers the reset that 23, spring is conducive to throw off block 12.Cylinder 27 is arranged on base 18, and feeder 1 is connected with cylinder 27; Connector comprises pressing plate 19, depression bar 11, and pressing plate 19 is circular, and pressing plate 19 is arranged on the expansion link of cylinder 27, and pressing plate 19 acts on by depression bar 11 and disengagement block 12.On cylinder 27, be also provided with magnetic switch 17, magnetic switch 17 can be responded to the position of workbench 20; Part mould 29 is arranged on workbench 20, and for the charging of workpiece, brace table 21 is for the support of workbench 20, and workbench 20 can be used in carrying part mould 29.Also comprise gag lever post 31, leading block 13, gag lever post 31 is connected with brace table 21, and leading block 13 is arranged on gag lever post 31, and leading block 13 cooperatively interacts with column 28.By cooperatively interacting of gag lever post 31, leading block 13, the frictional force can reduce workbench 20 and rise and decline time, moves workbench 20 more stably, ensures the stability of the utility model work.
Feeder 1 comprises air compressor 4, air accumulator 5, dried-air drier 7, air filter machine 8, magnetic valve 9, speed control valve 10, air compressor 4, air accumulator 5, dried-air drier 7, air filter machine 8, magnetic valve 9, speed control valve 10 are connected successively by pipeline, on pipeline between air accumulator 5 and dried-air drier 7, be provided with ball valve 6, speed control valve 10 is connected with top, the bottom of cylinder 27 respectively by pipeline, and magnetic valve 9, speed control valve 10 are connected with control system 2 respectively.
Control system 2 comprises PLC, HMI controller, and PLC is for process control, and HMI controller is for parameter input and human-machine conversation control.In the present embodiment, PLC adopts S7-200PLC.
By HMI controller, amplitude and vibration number are set, initial amplitude is 0, and the amplitude in the present embodiment device is divided into three grades, is respectively 300,400,500 millimeters of amplitudes.After amplitude and vibration arrange number of times and complete, PLC controls magnetic valve 9 makes the compressed air of feeder 1 enter cylinder 27 bottoms, the expansion link of cylinder 27 is upwards risen, thereby push work platform 20 rises.In the time that workbench 20 rises to desired location, fastening screw 25, under the effect of tension spring 14, inserts in the stopper slot 15 of support bar 16, thereby workbench 20 is located.Workbench 20 arrives after desired location, magnetic switch 17 has to be responded to and provides signal, and control system 2 is according to arranging time delay 0.5～1 second, and then PLC control magnetic valve 9 makes compressed air enter from cylinder 27 tops, oppositely air feed, the expansion link of cylinder 27 starts to decline.In the time that the expansion link of cylinder 27 drops to certain position, pressing plate 19 can be pressed in and throw off on the depression bar 11 that block 12 is connected, and promotes fastening screw 25, the interior pull-out of stopper slot 15 by fastening screw 25 from support bar 16 by throwing off block 12.Now, workbench 20 loses the support of fastening screw 25, falls, and contact with brace table 21 collisions with the form that approaches the movement of falling object, completes once vibration.After workbench 20 bumps with brace table 21, time delay 2～3 seconds, if do not reach the vibration number of setting, continues next circulation.
When use, powder is placed in part mould 29, part mould 29 is placed on workbench 20, and part mould 29 is fixed with clamping part, open the utility model.
Adopting the utility model is that 550 millimeters, weight are that the tungsten-bast alloy tubular workpieces of 300 kilograms vibrates charging to a diameter, result shows: after charging, do not find different element powders segregations and lamination, its tap density and charge have also all reached requirement.
Applicant of the present utility model has carried out many experiments to the high density element powders material that contains heterogeneity, all can meet corresponding charging requirement, does not occur powder segregation, lamination, and tap density has also reached requirement.
The utility model is not limited to aforesaid detailed description of the invention.The utility model expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (9)
1. high density material charging vibrating device, is characterized in that, comprise feeder (1), shake table (3), control system (2), described control system (2) is connected with feeder (1), shake table (3) respectively;
Described shake table (3) comprises base (18), be arranged on the column (28) on base (18), the brace table (21) being connected with column (28), the workbench (20) matching with brace table (21), the support bar (16) being connected with workbench (20), be arranged on the positioning and guiding parts (24) on column (28), fastening screw (25), tension spring (14), throw off block (12), be arranged on the guide post (22) on positioning and guiding parts (24), be arranged on the cylinder (27) on base (18), connector, on described support bar (16), be provided with stopper slot (15), on described positioning and guiding parts (24), be provided with one group make fastening screw (25) can along continuous straight runs the limited roller (26) of motion, described tension spring (14) two ends are connected with column (28) with fastening screw (25) respectively, the lower end of described disengagement block (12) is upside-down triangle shape, described fastening screw (25) is provided with near one end of cylinder (27) and throws off block (12) and move up and down the connecting rod (30) matching, throw off block (12) lower end respectively with positioning and guiding parts (24), connecting rod (30) joins, guide post (22) is vertically through throwing off block (12), on described guide post (22), be also provided with the recovery spring (23) resetting for throwing off block (12), the expansion link of cylinder (27) is connected with disengagement block (12) by connector.
2. high density material charging vibrating device according to claim 1, it is characterized in that, connector comprises the pressing plate (19), the depression bar (11) that are arranged on cylinder (27) expansion link, and pressing plate (19) is connected with disengagement block (12) by depression bar (11).
3. high density material charging vibrating device according to claim 1, is characterized in that, also comprises the magnetic switch (17) being arranged on cylinder (27).
4. high density material charging vibrating device according to claim 1, is characterized in that, also comprise part mould (29), described part mould (29) is arranged on workbench (20).
5. high density material charging vibrating device according to claim 1, is characterized in that, also comprise leading block (13), described leading block (13) is arranged on column (28).
6. high density material charging vibrating device according to claim 1, it is characterized in that, also comprise the gag lever post (31) being connected with brace table (21), the leading block (13) matching with column (28), described leading block (13) is arranged on gag lever post (31).
7. high density material charging vibrating device according to claim 1, is characterized in that, described brace table is provided with beam on (21).
8. according to the high density material charging vibrating device described in claim 1-7 any one, it is characterized in that, described feeder (1) comprises air compressor (4), air accumulator (5), dried-air drier (7), air filter machine (8), magnetic valve (9), speed control valve (10), described air compressor (4), air accumulator (5), dried-air drier (7), air filter machine (8), magnetic valve (9), speed control valve (10) is connected successively by pipeline, on pipeline between described air accumulator (5) and dried-air drier (7), be provided with ball valve (6), described speed control valve (10) by pipeline respectively with the top of cylinder (27), bottom is connected, described magnetic valve (9), speed control valve (10) is connected with control system (2) respectively.
9. high density material charging vibrating device according to claim 1, it is characterized in that, the magnetic valve (9) that described feeder (1) comprises source of the gas, is connected with source of the gas, described source of the gas comprises air compressor (4) and air accumulator (5), described magnetic valve (9) is connected with cylinder (27) top, bottom respectively by pipeline, and described magnetic valve (9) is connected with control system (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320711428.8U CN203695955U (en) | 2013-11-12 | 2013-11-12 | High-density material loading vibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320711428.8U CN203695955U (en) | 2013-11-12 | 2013-11-12 | High-density material loading vibrating device |
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| Publication Number | Publication Date |
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| CN203695955U true CN203695955U (en) | 2014-07-09 |
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| CN201320711428.8U Expired - Fee Related CN203695955U (en) | 2013-11-12 | 2013-11-12 | High-density material loading vibrating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941545A (en) * | 2017-05-18 | 2018-12-07 | 通用电气公司 | Power filling method and equipment |
-
2013
- 2013-11-12 CN CN201320711428.8U patent/CN203695955U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941545A (en) * | 2017-05-18 | 2018-12-07 | 通用电气公司 | Power filling method and equipment |
| US11351605B2 (en) | 2017-05-18 | 2022-06-07 | General Electric Company | Powder packing methods and apparatus |
| US11667095B2 (en) | 2017-05-18 | 2023-06-06 | General Electric Company | Powder packing methods and apparatus |
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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 |
Granted publication date: 20140709 Termination date: 20151112 |
|
| EXPY | Termination of patent right or utility model |