CN201667360U - Continuous punching and plate manufacturing machine - Google Patents
Continuous punching and plate manufacturing machine Download PDFInfo
- Publication number
- CN201667360U CN201667360U CN2010201405888U CN201020140588U CN201667360U CN 201667360 U CN201667360 U CN 201667360U CN 2010201405888 U CN2010201405888 U CN 2010201405888U CN 201020140588 U CN201020140588 U CN 201020140588U CN 201667360 U CN201667360 U CN 201667360U
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- pole piece
- strip
- cylinder
- pressure roller
- roller
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a manufacturing system for a battery electrode plate, in particular to a continuous punching and plate manufacturing machine, which comprises a frame, a molding mechanism and a conveying mechanism and a traction mechanism at the front and rear ends of the molding mechanism, wherein a cutting mechanism is arranged between the molding mechanism and the traction mechanism; the lower part of the cutting mechanism is provided with a plate collecting mechanism; and an unwinding mechanism and a tension mechanism are also arranged in front of the conveying mechanism. Further, the continuous punching and plate manufacturing machine comprises a feeding mechanism. The continuous punching and plate manufacturing machine is applicable to the automatic plate manufacturing of the high-thickness material such as the power battery electrode plate and has the prominent advantages of wide application range, high production efficiency, stable product performance, long life of molds and low running cost.
Description
Technical field
The utility model relates to the battery pole piece manufacturing system, refers to the continuous sheet-making machine that a kind of mould is die-cut especially.
Background technology
Stacked lithium battery is formed by the folded system of multilayer positive/negative plate monomer, and these pole piece monomers are always cut and formed by coating, rolling good whole piece pole piece.Traditional mode of operation is by manually just, negative plate is according to coating and be not coated with the district earlier with its step cut (cutting out large stretch of), again sheet is made monomer one by one with cutting die on forcing press, old mode exists operation numerous and diverse, labour intensity is big, the cutting die life-span low (≤2 ten thousand times), efficient low (≤8 times/minute), the location is difficult to accurately, pole piece is easily impaired, shortcomings such as homogeneity of product difference, the battery that is used to make low capacity is passable reluctantly, but for novel great-capacity power battery, because its pole piece thicker (0.25-0.35mm), battery strings, parallel connection is many, this is higher to each monomer coherence request, adopts its efficient of traditional manufacture, properties of product, the cutting die life-span (≤1 ten thousand time) is difficult to reply especially.
The utility model content
The utility model purpose is to abandon the shortcoming of prior art, provide a kind of efficient height, good product consistency, die life long, stable, be suitable for the high-performance electrokinetic cell in addition can and the automation continuous sheet-making machine that uses of rolling equipment direct connection.
For solving the problems of the technologies described above, the technical solution of the utility model is:
Construct a kind of continuous sheet-making machine, comprising:
One shaping mechanism provides the supporting mould of power drive accurately to punch out the pole piece profile;
Feed mechanism is arranged on the shaping mechanism front end, intermittently raw band is sent into shaping mechanism and subsequent handling;
Haulage gear is arranged on the shaping mechanism rear end, advances with feed mechanism sync pulling pole piece strip;
Cutting mechanism is arranged between shaping mechanism and the haulage gear, and the pole piece of sending into is cut once more, and pole piece is separated with raw band;
Slice receiving mechanism of slice is positioned at the cutting mechanism bottom, collects the pole piece of making;
Unreeling structure, be arranged on described feed mechanism before, installing pole piece strip coiled strip is in time confessed the pole piece strip of punching out pole piece, maybe the pole piece strip that will directly introduce from the outside give before the direction that the pole piece strip advances continues;
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Tension mechanism is arranged between described unreeling structure, the feed mechanism, tensioning buffering pole piece strip.
As a kind of preferred version, described shaping mechanism comprises that pressure mechanism reaches the mould by its driving, and this mould has and the adaptive upper die and lower die of pole piece shape of product quantity, and the power plate of its patrix and pressure mechanism is connected, and controlled punching out goes out the pole piece profile.
Further, the pole piece of described mould punching out has the technology coupling part, and discord pole piece strip separates fully.
As a kind of preferred version, described feed mechanism comprises A servomotor, A pressure roller and the A cylinder of A drive roll and connection, and A cylinder control A pressure roller send band structure with A drive roll formation pair roller, send the strip of the pole piece between roller before servo.
As a kind of preferred version; described haulage gear comprises B servomotor, B pressure roller, the B cylinder of B drive roll and connection; synchronizer and material pressing belt; B cylinder control B pressure roller and B drive roll form pair roller and send band structure; send the clout of the pole piece strip after the film-making with the feed mechanism sync pulling; its power also through the synchronous operation of synchronizer drive pressure strip protection pole piece strip, prevents that pole piece is at random.
As a kind of preferred version, described cutting mechanism comprises C support, upper cutter, lower cutter, Y-axis cylinder, X-axis servomotor and C screw pair, this C support is driven by X-axis servomotor and C screw pair and changes its X-axis coordinate, cut the error of position with compensation, Y-axis air cylinder driven upper cutter and lower cutter cut off pole piece fully from the pole piece strip and separate.
As a kind of preferred version, described slice receiving mechanism of slice comprises receiving can, lift cylinder, suction sheet plate and driver, this suction sheet plate is positioned at pole piece strip below, and rotate an angle around the rear end axle by driver drives, the lifting of this lift cylinder control receiving can, the convenient collection inhaled the pole piece that the sheet plate is sent into, and receiving can be pulled out the taking-up pole piece after descending.
Further, described suction sheet plate has cavity structure, and sucker or aperture are offered in the surface, feeds vacuum and sticking pole piece.
As a kind of preferred version, above-mentioned unreeling structure comprises pedestal, correction motor, D screw pair, detector, reducing motor, D magnetic coupling, D drive roll, D cylinder and D pressure roller, the D cylinder drives the D pressure roller, this mechanism can put the material volume of pole piece strip, this moment the D cylinder, the D pressure roller is removed need not, when the pole piece strip when introduce the outside, then D drive roll, the feeding of D pressure roller pair roller.Detector, correction motor and D screw pair are formed deviation-rectifying system, make the pole piece strip of emitting on the material roller of pedestal keep a straight line benchmark to advance, and the D magnetic coupling is accepted the signal of tension mechanism feedback, keeps the strip constant tension.
As a kind of preferred version, before described unreeling structure, a feeding mechanism can be set, this feeding mechanism comprise the G support and on G motor, G magnetic coupling, G drive roll, G pressure roller and G cylinder, the G cylinder drives the G pressure roller, and G drive roll and G pressure roller constitute pair roller and send the pole piece strip by the G motor to by the G magnetic coupling.When the pole piece strip was directly introduced from the outside, this feeding mechanism played a role.
The utility model beneficial effect is:
Feeding mechanism is set, unreeling structure, tension mechanism realize coiled strip or even and milling train etc. before the automatic feed of processing apparatus, feed mechanism, the servo tracking Synchronization Control of haulage gear, guarantee feeding quick and precisely, shaping mechanism adopts particular manufacturing craft die-cut, also can obtain (〉=30 times/minute) at a high speed perfectly properties of product and Life of Punch Die more than 1,000,000 times even tackle super thick pole piece of power battery, cutting mechanism separates pole piece and eliminates the error that the coating position deviation causes by inserting compensation with rim charge, slice receiving mechanism of slice is provided with the pole piece of inhaling sheet plate sticking pole piece and sanction being fallen and falls in the receiving can.It is strong that it has adaptive capacity, and die life is long, and the speed of service is fast, and properties of product are stable, and the employee only need regularly get the raw materials ready and collect the advantage that pole piece can continue automated production.
Description of drawings
Fig. 1 is that master of the present utility model looks one of schematic diagram;
Fig. 2 is a utility model work schematic diagram;
Fig. 3 be master of the present utility model look schematic diagram two;
Fig. 4 is the schematic top plan view of Fig. 3.
The drawing reference numeral explanation:
1 pole piece strip, 2 pole pieces
10 frames, 20 shaping mechanisms, 30 feed mechanisms
40 haulage gears, 50 cutting mechanisms, 60 unreeling structures
70 tension mechanisms, 80 slice receiving mechanism of slice, 90 feeding mechanisms
21 power plates, 22 patrixes, 23 counterdies
31A support 32A servomotor 33A drive roll
34A pressure roller 35A cylinder 36 transducers
41B support 42B servomotor 43B drive roll
44B pressure roller 45B cylinder 46 is with synchronously
47 material pressing belts
51C support 52Y axle cylinder 53 upper cutters
54 lower cutter 55X axle servomotor 56C screw pairs
61 pedestals, 62 correction motor 63D screw pairs
64 detectors, 65 reducing motor 66D magnetic couplings
67D drive roll 68D cylinder 69D pressure roller
74 potentiometers
81 lift cylinders, 82 receiving cans 83 are inhaled the sheet plate
84 drivers
91G support 92G motor 93G magnetic coupling
94G drive roll 95G cylinder 96G pressure roller
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Shown in Fig. 1,2,3,4, the concrete structure that it has disclosed the preferred embodiment of the utility model, the feeding mechanism 90 that includes frame 10, shaping mechanism 20, feed mechanism 30, haulage gear 40, cutting mechanism 50, unreeling structure 60, tension mechanism 70, slice receiving mechanism of slice 80 and when pole piece strip 1 is directly introduced, dispose.
Described unreeling structure 60 is arranged on frame 10 front ends, it includes pedestal 61, correction motor 62, D screw pair 63, detector 64, reducing motor 65, D magnetic coupling 66, D drive roll 67, D cylinder 68, D pressure roller 69, this mechanism can put the material volume of pole piece strip, this moment D cylinder 68, D pressure roller 69 is removed need not, when pole piece strip 1 is introduced from the outside, then D drive roll 67, the 69 pair roller feedings of D pressure roller.Detector 64, correction motor 62, screw pair 63 are formed deviation-rectifying system, make the strip 1 of emitting on the material roller of pedestal keep a straight line benchmark to advance.
Described tension mechanism 70, be arranged between above-mentioned unreeling structure 60, the feed mechanism 30, it comprises an E cylinder 71 or spring, floats roller 72, the axis of guide 73 and potentiometer 74, this potentiometer 74 detects the change in location of floating roller 72 and with its D magnetic coupling 66 that feeds back to unreeling structure 60, changes its moment and keep pole piece strip 1 tensioning dynamics constant;
Described feed mechanism 30 is arranged on shaping mechanism 20 front ends, intermittently will send into shaping mechanism 20 and subsequent handling before the former pole piece strip 1, it comprises A pedestal 31, A drive roll 33 and the A servomotor 32, A pressure roller 34 and the A cylinder 35 that connect, also comprise transducer 36, A cylinder 35 control A pressure rollers 34 form pair roller with A drive roll 33 and send the band function, send the pole piece strip 1 between roller before servo, its feed length is accurately controlled according to the color base standard that chases after that transducer 36 detects the pole piece strip.
The described shaping mechanism 20 of stating comprises that pressure mechanism reaches the mould by its driving, this mould has patrix 22 and the counterdie 23 adaptive with pole piece 2 shape of product quantity, the power plate 21 of its patrix 22 and pressure mechanism is connected, controlled punching out goes out pole piece 2 profiles, the pole piece 2 of this mould punching and pole piece strip 1 matrix have the technology coupling part, discord pole piece strip 1 separates fully, is beneficial to pole piece 2 and carries forward.
Described cutting mechanism 50 is arranged between shaping mechanism 20 and the haulage gear 40, the pole piece of sending into 2 is cut once more, pole piece 2 is separated with raw band 1, comprise C support 51, upper cutter 53, lower cutter 54, Y-axis cylinder 52, X-axis servomotor 55 and C screw pair 56, this C support 51 is driven by X-axis servomotor 55 and screw pair 56 and changes its X-axis coordinate, cut the error of position with compensation, Y-axis cylinder 52 drives upper cutters 53 and pole piece 2 is cut off fully from pole piece strip 1 separates.
Described haulage gear 40 is arranged on after the cutting mechanism 50; comprise B support 41, B drive roll 43 and B servomotor 42, B pressure roller 44 and the B cylinder 45, synchronizer 46 and the material pressing belt 47 that connect; B cylinder 45 control B pressure rollers 44 form pair roller with B drive roll 43 and send band structure; drive by B servomotor 42; send after the film-making material after the pole piece strip 1 with feed mechanism 30 sync pullings; its power also through 1 synchronous operation of synchronizer 46 drive pressure strips 47 protection pole piece strips, prevents that pole piece 2 is at random.
Described slice receiving mechanism of slice 80 is positioned at cutting mechanism 50 bottoms, collects the pole piece of making 2 automatically.Comprise receiving can 82, lift cylinder 81, inhale sheet plate 83, driver 84, this suction sheet plate 83 is positioned at pole piece strip 1 below, and drive by driver 84 and to rotate an angle around the rear end axle, the lifting of cylinder 81 control receiving cans 82, the convenient collection inhaled the pole piece 2 that sheet plate 83 is sent into, and can pull out after receiving can 82 descends and take out pole piece 2.Further, this suction sheet plate 83 has cavity structure, and sucker or aperture are offered in the surface, feeds vacuum and sticking pole piece 2.
As a kind of automated production equipment, when pole piece strip 1 when other are directly introduced as equipment such as milling trains, this continuous sheet-making machine also can be further at its front-end configuration one feeding mechanism 90, this feeding mechanism 90 comprise G support 91 and on G motor 92, G magnetic coupling 93, G drive roll 94, G pressure roller 96, G cylinder 95, G cylinder 95 motion G pressure rollers 96 constitute pair roller with G drive roll 94, send pole piece strip 1 by G motor 92 to by G magnetic coupling 93.
The utility model design focal point is, on the one hand, it is by being provided with feeding mechanism, unreeling structure, tension mechanism realize coiled strip or even and milling train etc. before the automatic feed of processing apparatus direct connection, its feed mechanism, haulage gear is by servo tracking Synchronization Control, guaranteed that feeding quick and precisely, on the other hand, its shaping mechanism adopts particular manufacturing craft die-cut, the super thick pole piece of power battery of perfect solution at a high speed, the make peace comprehensive requirements such as Life of Punch Die of overlength of properties of product one, its cutting mechanism separates pole piece with rim charge, and by inserting the error that compensation elimination coating position deviation causes, obtain accurate pole piece length, it is provided with slice receiving mechanism of slice and is collected into box automatically with cutting out the pole piece that falls.By this, the continuous sheet-making machine perfection that present technique makes up has solved the film-making difficult problem of the super thick pole piece of super thick electrokinetic cell, and it is strong to have adaptive capacity, and die life is long, and the speed of service is fast, and properties of product are stable, the advantage of sustainable automated production.
The above, it only is preferred embodiment of the present utility model, be not that technical scope to utility model imposes any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope that originally is equal to the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. continuous sheet-making machine is characterized in that, comprising:
One shaping mechanism provides the supporting mould of power drive to punch out the pole piece profile;
Feed mechanism is arranged on the shaping mechanism front end, intermittently the pole piece strip is sent into shaping mechanism and subsequent handling;
Haulage gear is arranged on the shaping mechanism rear end, advances with feed mechanism sync pulling pole piece strip;
Cutting mechanism is arranged between shaping mechanism and the haulage gear, and the pole piece of sending into is cut once more, and pole piece is separated with raw band;
Slice receiving mechanism of slice is positioned at the cutting mechanism bottom, collects the pole piece of making;
Unreeling structure, be arranged on described feed mechanism before, the coiled strip of installing pole piece strip is in time confessed the pole piece strip of punching out pole piece, maybe the pole piece strip that will directly introduce from the outside give before the direction that the pole piece strip advances continues;
Tension mechanism is arranged between described unreeling structure, the feed mechanism, tensioning buffering pole piece strip.
2. continuous sheet-making machine as claimed in claim 1, it is characterized in that: described shaping mechanism comprises that pressure mechanism reaches the mould by its driving, this mould has and the adaptive upper die and lower die of pole piece shape of product quantity, the power plate of its patrix and pressure mechanism is connected, and controlled punching out goes out the pole piece profile.
3. continuous sheet-making machine as claimed in claim 2 is characterized in that: the pole piece of described mould punching out has the technology coupling part, and discord pole piece strip separates fully.
4. continuous sheet-making machine as claimed in claim 1, it is characterized in that: described feed mechanism comprises A servomotor, A pressure roller and the A cylinder of A drive roll and connection, A cylinder control A pressure roller send band structure with A drive roll formation pair roller, send the strip of the pole piece between roller before servo.
5. continuous sheet-making machine as claimed in claim 1; it is characterized in that: described haulage gear comprises B servomotor, B pressure roller, B cylinder, synchronizer and the material pressing belt of B drive roll and connection; B cylinder control B pressure roller and B drive roll form pair roller and send band structure; send the clout of the pole piece strip after the film-making with the feed mechanism sync pulling; its power also through the synchronous operation of synchronizer drive pressure strip protection pole piece strip, prevents that pole piece is at random.
6. continuous sheet-making machine as claimed in claim 1, it is characterized in that: described cutting mechanism comprises C support, upper cutter, lower cutter, Y-axis cylinder, X-axis servomotor and C screw pair, this C support is driven by X-axis servomotor and C screw pair and changes its X-axis coordinate, cut the error of position with compensation, Y-axis air cylinder driven cutting knife cuts off pole piece fully from the pole piece strip and separates.
7. continuous sheet-making machine as claimed in claim 1, it is characterized in that: described slice receiving mechanism of slice comprises receiving can, lift cylinder, suction sheet plate and driver, this suction sheet plate is positioned at pole piece strip below, and rotate an angle around the rear end axle by driver drives, the lifting of this lift cylinder control receiving can, the convenient collection inhaled the pole piece that the sheet plate is sent into, and receiving can be pulled out the taking-up pole piece after descending.
8. continuous sheet-making machine as claimed in claim 7 is characterized in that: described suction sheet plate has cavity structure, and sucker or aperture are offered in the surface, feeds vacuum and sticking pole piece.
9. continuous sheet-making machine as claimed in claim 1, it is characterized in that: described unreeling structure comprises pedestal, the correction motor, the D screw pair, detector, reducing motor, the D magnetic coupling, D drive roll roller, D cylinder and D pressure roller, the D cylinder drives the D pressure roller, this mechanism can put the material volume of pole piece strip, this moment the D cylinder, the D pressure roller is removed need not, when the pole piece strip when introduce the outside, D drive roll then, the feeding of D pressure roller pair roller, detector, correction motor and D screw pair are formed deviation-rectifying system, make the pole piece strip of emitting on the material roller of pedestal keep a straight line benchmark to advance, this D magnetic coupling is accepted the signal of tension mechanism feedback, keeps pole piece strip constant tension.
10. continuous sheet-making machine as claimed in claim 1, it is characterized in that: before described unreeling structure, a feeding mechanism can be set, this feeding mechanism comprise the G support and on G motor, G magnetic coupling, G drive roll, G pressure roller and G cylinder, the G cylinder drives the G pressure roller, and G drive roll and G pressure roller constitute pair roller and send the pole piece strip by the G motor to by the G magnetic coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201405888U CN201667360U (en) | 2010-03-23 | 2010-03-23 | Continuous punching and plate manufacturing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201405888U CN201667360U (en) | 2010-03-23 | 2010-03-23 | Continuous punching and plate manufacturing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201667360U true CN201667360U (en) | 2010-12-08 |
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ID=43268323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201405888U Expired - Fee Related CN201667360U (en) | 2010-03-23 | 2010-03-23 | Continuous punching and plate manufacturing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201667360U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847713A (en) * | 2010-03-23 | 2010-09-29 | 东莞市鸿宝锂电科技有限公司 | Continuous sheet-making machine |
| CN102306744A (en) * | 2011-08-26 | 2012-01-04 | 深圳市赢合科技股份有限公司 | Electrode sheet forming machine |
| CN102320000A (en) * | 2011-07-08 | 2012-01-18 | 邢台纳科诺尔极片轧制设备有限公司 | Rolling and slitting system for battery plate |
| CN102514045A (en) * | 2011-11-21 | 2012-06-27 | 中宇锂电能源股份有限公司 | Universal punching equipment of lithium battery pole piece |
| CN104190708A (en) * | 2014-08-08 | 2014-12-10 | 邢台纳科诺尔极片轧制设备有限公司 | Device used for rolling battery pole piece at high speed |
| CN104972509A (en) * | 2015-06-30 | 2015-10-14 | 东莞市得士威机械工业有限公司 | Full-automatic accurate pole piece deflection correction cutting press for continuous coating process |
| CN107520315A (en) * | 2017-09-18 | 2017-12-29 | 无锡百立德自动化有限公司 | Lithium battery pole slice double material strips high speed die-cutting machine |
| CN116079139A (en) * | 2022-11-25 | 2023-05-09 | 广东谷菱电气有限公司 | Production facility is cut to copper bar board spare |
-
2010
- 2010-03-23 CN CN2010201405888U patent/CN201667360U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847713A (en) * | 2010-03-23 | 2010-09-29 | 东莞市鸿宝锂电科技有限公司 | Continuous sheet-making machine |
| CN101847713B (en) * | 2010-03-23 | 2012-07-18 | 东莞市鸿宝锂电科技有限公司 | Continuous sheet-making machine |
| CN102320000A (en) * | 2011-07-08 | 2012-01-18 | 邢台纳科诺尔极片轧制设备有限公司 | Rolling and slitting system for battery plate |
| CN102320000B (en) * | 2011-07-08 | 2013-01-30 | 邢台纳科诺尔极片轧制设备有限公司 | Rolling and slitting system for battery plate |
| CN102306744B (en) * | 2011-08-26 | 2013-09-25 | 深圳市赢合科技股份有限公司 | Electrode sheet forming machine |
| CN102306744A (en) * | 2011-08-26 | 2012-01-04 | 深圳市赢合科技股份有限公司 | Electrode sheet forming machine |
| CN102514045A (en) * | 2011-11-21 | 2012-06-27 | 中宇锂电能源股份有限公司 | Universal punching equipment of lithium battery pole piece |
| CN102514045B (en) * | 2011-11-21 | 2015-03-25 | 王家泳 | Universal punching equipment of lithium battery pole piece |
| CN104190708A (en) * | 2014-08-08 | 2014-12-10 | 邢台纳科诺尔极片轧制设备有限公司 | Device used for rolling battery pole piece at high speed |
| CN104190708B (en) * | 2014-08-08 | 2016-01-13 | 邢台纳科诺尔精轧科技股份有限公司 | For the device of high-speed rolling battery pole piece |
| CN104972509A (en) * | 2015-06-30 | 2015-10-14 | 东莞市得士威机械工业有限公司 | Full-automatic accurate pole piece deflection correction cutting press for continuous coating process |
| CN107520315A (en) * | 2017-09-18 | 2017-12-29 | 无锡百立德自动化有限公司 | Lithium battery pole slice double material strips high speed die-cutting machine |
| CN116079139A (en) * | 2022-11-25 | 2023-05-09 | 广东谷菱电气有限公司 | Production facility is cut to copper bar board spare |
| CN116079139B (en) * | 2022-11-25 | 2023-09-05 | 广东谷菱电气有限公司 | Production facility is cut to copper bar board spare |
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| 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: 20101208 Termination date: 20160323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |