CN110125993A - A kind of diaphragm cutter and control mode - Google Patents
A kind of diaphragm cutter and control mode Download PDFInfo
- Publication number
- CN110125993A CN110125993A CN201910346599.7A CN201910346599A CN110125993A CN 110125993 A CN110125993 A CN 110125993A CN 201910346599 A CN201910346599 A CN 201910346599A CN 110125993 A CN110125993 A CN 110125993A
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- CN
- China
- Prior art keywords
- double
- acting cylinder
- magnetic switch
- cylinder
- cutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/065—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates for thin material, e.g. for sheets, strips or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/12—Fluid-pressure means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of diaphragm cutter and control modes, cutter includes straight-line movement portion, blade holder part, cutter part and drive part, drive part includes double-acting cylinder, quantity is multiple guide's check valve and magnetic switch on double-acting cylinder, guide's check valve is used for the connection of double-acting cylinder and power gas source, magnetic switch detects the information of piston position from double-acting cylinder, and is converted into suitable electric signal, transmits to PLC.Cutter has simplified structure relative to conventional art, for substituting the multi cylinder in previous equipment and complicated linkage structure, reduces costs.Control mode of the invention controls common cylinder using guide's check valve and magnetic switch, common cylinder is set to realize the state of three kinds of station positions, realize the technical purpose for needing multi cylinder and complicated linkage structure can be only achieved in the past, high reliablity, the service life is long, at low cost, efficient work.
Description
Technical field
Cutting control technology of the present invention about lithium battery production equipment, specifically a kind of diaphragm cutter controlling party
Formula.
Background technique
In the production process of lithium battery, usually using lithium battery winding apparatus or winding film-making integrated equipment to lithium battery
Diaphragm carries out cutting process.In the composition of the cutting mechanism of previous this kind equipment, the cutting-off process of diaphragm is usually using more
The control of the predetermined movement position of multistage is realized in cylinder linkage, and then drives blade to complete cutting operation, and used cutter is logical
Chang Weifang knife.In practical application, the control mode of the scheduled station position of cutter is realized by two cylinder linkages.The knot
Structure mode the problem is that: structure is complicated, and structural stability is not ideal enough, during use exist go wrong frequently it is hidden
Suffer from, and the structure for being unfavorable for equipment entirety is simplified, and can not realize low total cost of ownership purpose.
Summary of the invention
The present invention provides a kind of diaphragm cutter control modes, are improved in the control mode of cutter, to solve
The labyrinth that previous cutter control needs is come the problem of realization.
It is an object of the invention to provide a kind of diaphragm cutter, the cutter includes: linear motion portion
Point, with supporting member, the line slideway auxiliary of sports limiting is provided on supporting member；Blade holder part, have mounting portion and by
The top of the cantilever portion that mounting portion one end is extended to outside supporting member, cantilever portion is equipped with mounting surface, and cantilever portion is connected with mounting portion
It is equipped with reinforcement structure；Cutter part, set on the mounting surface of cantilever portion, cutter part has for mutually touching with the film surface of diaphragm
Blade part；Drive part has double-acting cylinder, and quantity is multiple guide's check valve and magnetic on double-acting cylinder
Property switch, guide's check valve be used for double-acting cylinder and power gas source connection, magnetic switch from double-acting cylinder detect piston
The information of position, and it is converted into suitable electric signal, it is transmitted to PLC.Wherein, the quantity of guide's check valve is two
It is a, it is correspondingly connected to the intake and exhaust interface at the double-acting cylinder both ends.Wherein, the double-acting cylinder includes the cylinder of weak magnetic conduction
Cylinder and piston equipped with annular permanent magnets, the quantity of the magnetic switch are three, and three magnetic switch press scheduled
It is set to away from the direction of motion along the piston on the outer surface of the cylinder barrel, piston passes through annular permanent magnets and close to each other
Magnetic switch forms triggering linkage.
It is an object of the invention to provide a kind of control mode of diaphragm cutter, the control mode includes:
Knife rest is set to supporting member by line slideway auxiliary by predetermined direction of propulsion, line slideway auxiliary reserves certain stroke surplus, knife rest
Cantilever portion extend to outside supporting member in transversely and horizontally state；Cutter part is installed in the mounting surface on the top of cantilever portion,
The direction of advance of the blade of cutter part towards knife rest is arranged；Double-acting cylinder is set on supporting member, the work of double-acting cylinder
The direction of advance of stopper rod towards line slideway auxiliary is arranged, and the rod end of piston rod connects knife rest by floating junction, wherein double acting
Cylinder is selected as double acting weak with magnetic conductivity, every magnetic strong cylinder barrel
Cylinder, the piston of double-acting cylinder are nonmagnetic material；By guide's check valve be connected to double-acting cylinder into
Exhaust port is connected to double-acting cylinder with power gas source, is correspondingly arranged at two magnetic switch in three magnetic switch double
The head end of active cylinder stroke and end, remaining one be set to double-acting cylinder stroke centre, three magnetic switch not between
The disconnected position signal for carrying out detection piston is supplied to PLC, and PLC detects the presence or absence of magnetic switch signal of correspondence course position,
It controls corresponding solenoid valve and completes switching action to cylinder realization position control, realize that piston stops in place and starts in place.
Wherein, the linear speed of the piston is less than the maximum detection speed of magnetic switch.
The invention has the benefit that the present invention is easy to use, compact-sized.Utilize guide's check valve and magnetic switch control
Common cylinder is made, common cylinder is made to realize the state of three kinds of station positions, realize needs multi cylinder and complicated linkage structure in the past
The technical purpose that can be only achieved, high reliablity, the service life is long, at low cost, efficient work.
With reference to the accompanying drawing with embodiment, the present invention is further described.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, is not construed as limiting the invention, in the accompanying drawings.
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is pneumatic diagram of the invention.
Specific embodiment
Below in conjunction with specific embodiments and the drawings, the invention will be further described, elaborates in the following description more
Details to facilitate a thorough understanding of the present invention, but the present invention obviously can be come with a variety of other ways different from this description it is real
It applies, those skilled in the art can make similar popularization according to practical situations without violating the connotation of the present invention, drill
It unravels silk, therefore should not be limited the scope of the invention with the content of this specific embodiment.
In following explanations, the cylinder barrel of double-acting cylinder be preferably magnetic conductivity it is weak, every magnetic strong material, such as:
Duralumin, stainless steel or brass etc..
As depicted in figs. 1 and 2, a kind of diaphragm cutter of the present embodiment includes:
Straight-line movement portion with supporting member 1, provides the line slideway auxiliary 2 of sports limiting on supporting member 1；Knife rest
Part 3, with mounting portion and the cantilever portion extended from mounting portion one end to outside supporting member 1, the top of cantilever portion is equipped with peace
Dress face, cantilever portion are connected with mounting portion equipped with reinforcement structure；Cutter part 4, set on the mounting surface of cantilever portion, cutter part 4
With the blade part mutually touched for the film surface with diaphragm；Drive part has double-acting cylinder 5, is set on double-acting cylinder 5
Quantity is multiple guide's check valve and magnetic switch 8, and guide's check valve is used for the company of double-acting cylinder 5 and power gas source
Logical, magnetic switch 8 detects the information of piston position from double-acting cylinder 5, and is converted into suitable electric signal, passes to PLC
It send.
As a kind of preferred embodiment of the present embodiment, the quantity of guide's check valve is two, is correspondingly connected to described
The intake and exhaust interface at 5 both ends of double-acting cylinder.
As a kind of preferred embodiment of the present embodiment, the double-acting cylinder 5 includes the cylinder barrel of weak magnetic conduction and is equipped with
The piston of annular permanent magnets, the quantity of the magnetic switch 8 are three, and three magnetic switch 8 are by scheduled spacing along the work
The direction of motion of plug is set on the outer surface of the cylinder barrel, and piston passes through annular permanent magnets and magnetic switch 8 close to each other
Form triggering linkage.
A kind of control mode of diaphragm cutter of the present embodiment includes: that knife rest is passed through straight line by predetermined direction of propulsion
Guideway 2 is set to supporting member 1, and line slideway auxiliary 2 reserves certain stroke surplus, and the cantilever portion of knife rest is extended to outside supporting member 1
In transversely and horizontally state；Cutter part 4 is installed in the mounting surface on the top of cantilever portion, the blade of cutter part 4 is towards knife rest
Direction of advance setting；Double-acting cylinder 5 is set on supporting member 1, the piston rod of double-acting cylinder 5 is towards line slideway auxiliary 2
Direction of advance setting, the rod end of piston rod connects knife rest by floating junction, wherein double-acting cylinder 5 is selected as with leading
Magnetic weak, every magnetic strong cylinder barrel double-acting cylinder 5, the piston of double-acting cylinder 5 is nonmagnetic material；By guide's check valve
It is connected to the intake and exhaust interface of double-acting cylinder 5, is connected to double-acting cylinder 5 with power gas source, makes three magnetic switch 8
In two magnetic switch 8 be correspondingly arranged at head end and the end of 5 stroke of double-acting cylinder, remaining one is set to double-acting cylinder
The centre of 5 strokes, the position signal that three magnetic switch 8 uninterruptedly carry out detection piston are supplied to PLC, and PLC detects correspondence
The presence or absence of 8 signal of magnetic switch of travel position controls corresponding solenoid valve completion switching action and realizes position control to cylinder,
Realize that piston stops in place and starts in place.
Magnetic switch 8 be used to detect position and the state of piston, can effectively improve the working efficiency of controlled device.
In practical application, the signal of magnetic switch 8 can be directly output to the input terminal of table procedure controller, realize above-mentioned function,
Alarm in place, not alarm in place, material detection can also be realized indirectly by the judgement of controller, and cylinder can be moved
It carries out counting the control with cycle-index as number.
The linear velocity of the piston of the present embodiment is less than the maximum detection speed of magnetic switch 8.Specifically, the close magnetism of piston
Speed v when switch 8 is not more than the maximum speed vmax that magnetic switch 8 can detect.Maximum speed vmax and magnetic switch 8
Minimum movements range lmin, magnetic switch 8 lock the relationship between load-carrying actuation time tc are as follows: vmax=lmin/tc.Example
Such as: actuation time t=0.02s, the minimum movements range lmin=10mm of magnetic switch 8 for the solenoid valve that magnetic switch 8 connects,
The then maximum speed vmax=500mm/s that magnetic switch 8 can detect.If the speed of piston is less than 500mm/s, this magnetic switch
8 are able to use.
It is magnetic when magnetic switch 8 is installed on the centre of 5 stroke of double-acting cylinder about the actual installation of magnetic switch 8
The installation site of switch 8 determines by the following method: answering stop position to fix piston in piston, allows magnetic switch 8 in piston
Top move left and right, find out start be attracted when position, then the middle position of left and right attracted position be switch most
Highly sensitive position, and then magnetic switch 8 is fixed on this maximum sensitivity position.
When work: when not needing cutting diaphragm (initial bit 100), double-acting cylinder 5 is in reset position, cutter part
4 are also at initial bit 100；(position 200 is waited) when diaphragm will be cut off, and guide's check valve 6 of 5 rear end of double-acting cylinder is connected to
Power gas source, power gas source push piston rod to travel forward by guide's check valve 6, and cutter part 4, which also synchronizes, to travel forward, to
When waiting position 200, guide's check valve 7 of 5 front end of double-acting cylinder connects power gas source for cutter part 4, and power gas source is logical
The anti-push piston bar of guide's check valve 7 is crossed, the centre of 5 stroke of double-acting cylinder is at, (the cleavage when diaphragm cutting
300), guide's check valve 6 is connected to power gas source, and power gas source pushes piston rod to move forward, cuts by guide's check valve
Knife part 4, which also synchronizes, to travel forward, and cutter part 4 is made to be rapidly reached cleavage, completes the cutting action of diaphragm, and piston rod returns again
To original state, complete cutting action primary at this time is completed.
The present invention is easy to use, compact-sized.Common cylinder is controlled using guide's check valve and magnetic switch 8, is made common
Cylinder realizes the state of three kinds of station positions, realizes the technology mesh for needing multi cylinder and complicated linkage structure can be only achieved in the past
, high reliablity, the service life is long, at low cost, efficient work.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
Using, it can be fully applied to various fields suitable for the present invention, for those skilled in the art, it can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
Fixed specific details and legend shown and described herein.
Claims (5)
1. a kind of diaphragm cutter, which is characterized in that the cutter includes:
Straight-line movement portion with supporting member, provides the line slideway auxiliary of sports limiting on supporting member；
Blade holder part, with mounting portion and the cantilever portion extended from mounting portion one end to outside supporting member, the top of cantilever portion
Equipped with mounting surface, cantilever portion is connected with mounting portion equipped with reinforcement structure；
Cutter part, set on the mounting surface of cantilever portion, cutter part has the blade part mutually touched for the film surface with diaphragm；
Drive part has double-acting cylinder, and quantity is that multiple guide's check valve and magnetism are opened on double-acting cylinder
It closes, guide's check valve is used for the connection of double-acting cylinder and power gas source, and magnetic switch detects piston position from double-acting cylinder
Information, and be converted into suitable electric signal, transmitted to PLC.
2. a kind of diaphragm cutter according to claim 1, which is characterized in that the quantity of guide's check valve is two
It is a, it is correspondingly connected to the intake and exhaust interface at the double-acting cylinder both ends.
3. a kind of diaphragm cutter according to claim 1, which is characterized in that the double-acting cylinder includes weak magnetic conduction
Cylinder barrel and piston equipped with annular permanent magnets, the quantity of the magnetic switch be three, three magnetic switch are by predetermined
Spacing be set on the outer surface of the cylinder barrel along the direction of motion of the piston, piston is by annular permanent magnets and mutually leaning on
Close magnetic switch forms triggering linkage.
4. a kind of control mode of diaphragm cutter, which is characterized in that the control mode includes:
Knife rest is set to supporting member by line slideway auxiliary by predetermined direction of propulsion, line slideway auxiliary reserves certain stroke surplus,
The cantilever portion of knife rest is extended to outside supporting member in transversely and horizontally state；
Cutter part is installed in the mounting surface on the top of cantilever portion, the direction of advance of blade towards the knife rest of cutter part is set
It sets；
Double-acting cylinder is set on supporting member, the direction of advance of piston rod towards the line slideway auxiliary of double-acting cylinder is arranged,
The rod end of piston rod connects knife rest by floating junction, wherein
Double-acting cylinder is selected as double-acting cylinder weak with magnetic conductivity, every magnetic strong cylinder barrel, the work of double-acting cylinder
Plug is nonmagnetic material；
Guide's check valve is connected to the intake and exhaust interface of double-acting cylinder, is connected to double-acting cylinder with power gas source,
Two magnetic switch in three magnetic switch are made to be correspondingly arranged at head end and the end of double-acting cylinder stroke, remaining one sets
In the centre of double-acting cylinder stroke, the position signal that three magnetic switch uninterruptedly carry out detection piston is supplied to PLC, PLC
The presence or absence of the magnetic switch signal for detecting correspondence course position controls corresponding solenoid valve and completes switching action to cylinder realization
Position control realizes that piston stops in place and starts in place.
5. control mode according to claim 4, which is characterized in that the linear speed of the piston is less than magnetic switch
Maximum detection speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346599.7A CN110125993A (en) | 2019-04-27 | 2019-04-27 | A kind of diaphragm cutter and control mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346599.7A CN110125993A (en) | 2019-04-27 | 2019-04-27 | A kind of diaphragm cutter and control mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110125993A true CN110125993A (en) | 2019-08-16 |
Family
ID=67575210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910346599.7A Pending CN110125993A (en) | 2019-04-27 | 2019-04-27 | A kind of diaphragm cutter and control mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110125993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285675A (en) * | 2022-08-25 | 2022-11-04 | 易鸿智能装备(宜兴)有限公司 | Anti-falling clamp suitable for battery detection equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4404184A1 (en) * | 1994-02-10 | 1995-08-17 | Wessel Hydraulik | Cyclically controlled hydraulic linear drive for cutter bar |
| CN202517511U (en) * | 2012-03-23 | 2012-11-07 | 长兴精盛液压机械有限公司 | Storage battery diaphragm paper cutting device |
| CN204339827U (en) * | 2014-11-06 | 2015-05-20 | 无锡先导自动化设备股份有限公司 | Barrier film shearing device |
| CN205780038U (en) * | 2016-05-24 | 2016-12-07 | 烟台汇众汽车底盘系统有限公司 | A kind of motion dash-control interlock of cylinder |
| CN206129755U (en) * | 2016-10-17 | 2017-04-26 | 大连现代辅机开发制造有限公司 | Go up and down to wash safe control circuit who promotes cylinder |
| CN106837941A (en) * | 2017-03-23 | 2017-06-13 | 平顶山市安泰华矿用安全设备制造有限公司 | A kind of single cylinder multiposition cylinder and its control method based on PLC controls |
| CN206770318U (en) * | 2017-05-05 | 2017-12-19 | 长春迈达汽车设备有限公司 | Cylinder is segmented pressure position control device |
| CN207935205U (en) * | 2018-03-20 | 2018-10-02 | 厦门华夏国际电力发展有限公司 | Magnetic air cylinder piston position detects display device |
| CN108858307A (en) * | 2018-08-02 | 2018-11-23 | 东莞市泽源机械有限公司 | A kind of lithium battery winder cuts diaphragm mechanism |
-
2019
- 2019-04-27 CN CN201910346599.7A patent/CN110125993A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4404184A1 (en) * | 1994-02-10 | 1995-08-17 | Wessel Hydraulik | Cyclically controlled hydraulic linear drive for cutter bar |
| CN202517511U (en) * | 2012-03-23 | 2012-11-07 | 长兴精盛液压机械有限公司 | Storage battery diaphragm paper cutting device |
| CN204339827U (en) * | 2014-11-06 | 2015-05-20 | 无锡先导自动化设备股份有限公司 | Barrier film shearing device |
| CN205780038U (en) * | 2016-05-24 | 2016-12-07 | 烟台汇众汽车底盘系统有限公司 | A kind of motion dash-control interlock of cylinder |
| CN206129755U (en) * | 2016-10-17 | 2017-04-26 | 大连现代辅机开发制造有限公司 | Go up and down to wash safe control circuit who promotes cylinder |
| CN106837941A (en) * | 2017-03-23 | 2017-06-13 | 平顶山市安泰华矿用安全设备制造有限公司 | A kind of single cylinder multiposition cylinder and its control method based on PLC controls |
| CN206770318U (en) * | 2017-05-05 | 2017-12-19 | 长春迈达汽车设备有限公司 | Cylinder is segmented pressure position control device |
| CN207935205U (en) * | 2018-03-20 | 2018-10-02 | 厦门华夏国际电力发展有限公司 | Magnetic air cylinder piston position detects display device |
| CN108858307A (en) * | 2018-08-02 | 2018-11-23 | 东莞市泽源机械有限公司 | A kind of lithium battery winder cuts diaphragm mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285675A (en) * | 2022-08-25 | 2022-11-04 | 易鸿智能装备(宜兴)有限公司 | Anti-falling clamp suitable for battery detection equipment |
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Effective date of registration: 20210203 Address after: 514000 No.1, wazitang, Chang'an village, Yonghe Town, Xingning City, Meizhou City, Guangdong Province Applicant after: Wen Zaidong Address before: No.88, Yincheng 7th Road, Xiabian community, Chang'an Town, Dongguan City, Guangdong Province, 523000 Applicant before: DONGGUAN GREAT AUTOMATION EQUIPMENT TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190816 |