CN108340021A - A kind of cylindrical lithium ion battery box hat bottom rapid cutting device and cutting method - Google Patents

A kind of cylindrical lithium ion battery box hat bottom rapid cutting device and cutting method Download PDF

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Publication number
CN108340021A
CN108340021A CN201710052285.7A CN201710052285A CN108340021A CN 108340021 A CN108340021 A CN 108340021A CN 201710052285 A CN201710052285 A CN 201710052285A CN 108340021 A CN108340021 A CN 108340021A
Authority
CN
China
Prior art keywords
cutter
battery core
cutting
pedestal
box hat
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
Application number
CN201710052285.7A
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Chinese (zh)
Inventor
高旺生
张永宁
吴伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Golden Sunshine Amperex Technology Ltd
Original Assignee
Jiangsu Golden Sunshine Amperex Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Golden Sunshine Amperex Technology Ltd filed Critical Jiangsu Golden Sunshine Amperex Technology Ltd
Priority to CN201710052285.7A priority Critical patent/CN108340021A/en
Publication of CN108340021A publication Critical patent/CN108340021A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00Methods, machines, or devices not covered elsewhere, for working metal by removal of material

Abstract

The present invention relates to a kind of battery steel shell bottom cutter device and cutting method more particularly to a kind of cylindrical lithium ion battery box hat bottom rapid cutting device and cutting methods.The cylindrical lithium ion battery box hat bottom rapid cutting device of the present invention includes cutting bottom device and firm banking, it includes motor, connecting shaft, cutter pedestal, cutter fixing axle, cutter, switch and shell to cut bottom device, and firm banking includes pedestal, geometrical clamp, activity folder and clamp device.The present invention is drivingly connected axis and cutter base rotation using motor, and then cutter is driven to roll, cutting force can be increased, cutting is convenient, it is efficient, while using the penetraction depth of caging bolt adjusting cutter, cell polar ear will not be cut to, it is easy to operate flexible, it is applicable in the fly-cutting of different cylindrical lithium battery box hats bottom.

Description

A kind of cylindrical lithium ion battery box hat bottom rapid cutting device and cutting method
Technical field
The present invention relates to a kind of battery steel shell bottom cutter device and cutting method more particularly to a kind of cylindrical lithium ion electricity Pond box hat bottom rapid cutting device and cutting method.
Background technology
Lug is essential process and direct shadow in cylindrical lithium ion battery production process with the welding of box hat bottom Ring the internal resistance of cell, high rate performance, processing efficiency and qualification rate critical process, measure soldering reliability be necessary detection side Method.
It is mainly hand cut method to be directed to cutting box hat bottom in the prior art.As shown in Figure 1, one kind in the prior art Pipe cutter includes that holder 21, cutter traveling bolt 22, cutter head 23 and idler wheel 24 form.Battery steel shell is cut using pipe cutter When bottom, battery core is put into pipe cutter so that battery core side is contacted with cutter head 23 and idler wheel 24, on the other hand rotation battery core, and one Hand turns cutter traveling bolt 22, is cut to the bottom sides of battery core box hat by manual feed mode.
Pipe cutter is not strong to battery core fixed function, and battery core is easy sideslip in cutting process, it is not easy to cutting position is controlled, Cut out is a spiral, rather than round.Turn battery core manually, the electronic bad control of rate requires operation high.It twists manually Dynamic feed bolt, the bad control of depth are easy the lug cut to the inside battery core, cause measurement result inaccurate.Two hands are grasped simultaneously Make, pipe cutter can not be completely fixed, whole process is both needed to be manually operated, and is easy to hurt hand, can also cut off lug, to measuring sample Product generate destruction, and production efficiency is extremely low.
Therefore, above-mentioned pipe cutter can't be the best basic skill or training that cuts manually and have, and bottom method is cut manually by above-mentioned, can not It is completed rapidly and accurately battery steel shell bottom cutting operation.
Invention content
In view of the deficiencies of the prior art, the present invention provide a kind of cylindrical lithium ion battery box hat bottom rapid cutting device and Cutting method, to solve the problems, such as that production efficiency is low, there are security risks for operation.
The present invention provides a kind of cylindrical lithium ion battery box hat bottom rapid cutting device, including cuts bottom device and fixed bottom Seat;
The bottom device that cuts includes motor, connecting shaft, cutter pedestal, cutter fixing axle, cutter, switch and shell, switch peace Loaded on case surface, motor is installed in shell, and the start-stop of switch control motor, motor is fixedly connected with one end of the connecting shaft, even The spindle other end is fixedly connected with cutter pedestal upper surface, and cutter pedestal is cylinder, the central axes of cutter pedestal and connecting shaft Central axes overlap, cutter shape be circle, cutter by cutter fixing axle rolling be installed on cutter pedestal lower face, cutter energy Enough to be rotated around cutter fixing axle, when cutting bottom device work, cutter is contacted with battery core box hat bottom, and motor is drivingly connected axis and cutter bottom Seat rotation so that cutter is rolled in battery core box hat bottom, to cut battery core box hat bottom;
The firm banking includes pedestal, geometrical clamp, activity folder and clamp device, and geometrical clamp is fixed with pedestal upper surface to be connected It connects, pedestal upper surface is additionally provided with clamp device, and when battery core is installed on pedestal, clamp device can force activity to be pressed from both sides to geometrical clamp It is mobile, clamp battery core.
Preferably, the bottom device that cuts further includes limiting device, and limiting device is set to cutter pedestal lower face middle position, It is capable of the penetraction depth of adjusting control cutter, to ensure that the lug of battery core will not be cut to.
Preferably, the cutter number is 3,4 or 5, is uniformly distributed on same circumference.
Preferably, when the cutter rotation, it is 30.4mm-31.4mm that cutter is formed by point of contact diameter of a circle with battery core. Cutter is formed by point of contact when being contacted with battery core box hat bottom and is located on the same circumference, which is that cutter is formed with battery core Point of contact circle.
Preferably, the side setting of the geometrical clamp is fluted, and the side setting of the activity folder is fluted, The groove of geometrical clamp is opposite with the slot opening of activity folder, and groove is semi-cylindrical, the diameter of groove and the outer diameter phase of battery core Together.
Preferably, the rotating speed of the motor is 10-200 revs/min.
Preferably, the clamp device includes fastening bolt and bearing, and the bearing is set to pedestal upper surface, described tight Fixing bolt is horizontally installed to bearing side;After battery core is installed between geometrical clamp and activity folder, precession fastening bolt, fastening bolt Promotion activity is pressed from both sides moves to geometrical clamp, and to clamp battery core, battery core can be unclamped by screwing out fastening bolt.
Preferably, the limiting device is caging bolt, and the caging bolt is installed vertically in cutter pedestal lower face Position, precession or back-out caging bolt are entreated to adjust the depth of cutter incision battery core box hat bottom.
The present invention also provides a kind of cylindrical lithium ion battery box hat bottom fly-cutting method, use is provided by the invention Cylindrical lithium ion battery box hat bottom rapid cutting device, includes the following steps:
The battery core that need to be cut is positioned between the geometrical clamp of firm banking and activity folder by S1, and battery core box hat is bottom-up, Clamp device is operated again, and battery core is made to be fixed on firm banking;
S2 is hand-held to cut bottom device, and cutter is smoothly positioned over to battery core box hat bottom and needs cut place, and makes cutter pedestal Central axes are overlapped with the central axes of battery core;
S3 opens the switch for cutting bottom device, and motor is started to work, and axis and cutter base rotation, cutter scroll-diced are drivingly connected Battery core box hat bottom;
In S4 cutter rotation processes, the hand-held bottom device that cuts slightly firmly presses down, until cutter cuts through battery core box hat bottom completely Portion;
S5 closes the switch for cutting bottom device, removes and cuts bottom device, and operation clamp device release activity folder removes battery core with lug Bottom, you can carry out lug tension measurement.
Preferably, between step S1 and S2, operating procedure can also be increased:The limiting device for cutting bottom device is adjusted, to adjust Save the depth of cutter incision battery core box hat bottom.
Compared with prior art, the invention has the advantages that:
(1) it uses motor to drive connecting shaft and cutter base rotation, and then cutter is driven to roll, cutting force can be increased, Cutting is convenient, efficient, can realize fly-cutting battery core box hat bottom.
(2) battery core is fixed by firm banking, and cutting is stablized, and sideslip is not easy.
(3) when battery core box hat bottom is cut, penetraction depth is adjusted by caging bolt, easy to operate flexible, is applicable in Different types of cylindrical lithium battery will not cut to cell polar ear.
Description of the drawings
Fig. 1 is the structural schematic diagram of pipe cutter in the prior art
Fig. 2 is the operating diagram of the rapid cutting device of the present invention;
Fig. 3 be the present invention cut bottom device stereogram;
Fig. 4 is the upward view for cutting bottom device of the present invention;
Fig. 5 is the stereogram of the firm banking of the present invention;
Fig. 6 is the vertical view of the firm banking of the present invention.
In figure:1 switch;2 motors;3 connecting shafts;4 shells;5 cutter fixing axles;6 cutter pedestals;7 activity folders;8 fastening spiral shells Bolt;9 caging bolts;10 cutteves;11 geometrical clamps;12 pedestals;13 bearings;14 battery cores;21 holders;22 cutter traveling bolts;23 knives Head;24 idler wheels.
Specific implementation mode
Below in conjunction with drawings and examples, the invention will be further described.
In the description of the present invention, it is to be understood that, term " radial direction ", " axial direction ", "upper", "lower", "top", "bottom", The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching It states the present invention and simplifies description, do not indicate or imply the indicated device or element must have a particular orientation, with specific Azimuth configuration and operation, therefore be not considered as limiting the invention.In the description of the present invention, unless otherwise indicated, The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set Set ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or integrally connected;It can be with It is to be connected directly, it can also be indirectly connected through an intermediary.It for the ordinary skill in the art, can be according to tool Body situation understands the concrete meaning of above-mentioned term in the present invention.
As shown in Fig. 2, a kind of cylindrical lithium ion battery box hat bottom rapid cutting device of the present embodiment, including cut bottom device And firm banking, it is separation assembly to cut bottom device and firm banking, can be used for cutting 32650/32700 type cylindrical battery, equally It can be used for cutting the lithium ion battery of other cylindrical types such as 18650 types, 26650 types.
As shown in Figure 3 and Figure 4, bottom device is cut to include switch 1, motor 2, connecting shaft 3, cutter pedestal 6, cutter fixing axle 5, cut Knife 10, shell 4 and caging bolt 9, shell 4 can be cylindrical structures, and switch 1 is installed on the outer surface of shell 4.Motor 2 is installed In the inside of shell 4, motor 2 is controlled by switch 1, and motor 2 is fixedly connected with 3 one end of connecting shaft, 3 other end of connecting shaft and cutter 6 upper surface of pedestal is fixedly connected, and cutter pedestal 6 is cylinder, and the central axes of cutter pedestal 6 are overlapped with the central axes of connecting shaft 3.
Cutter 10 is installed on 6 lower face of cutter pedestal by cutter fixing axle 5, and cutter 10 can be 5 turns around cutter fixing axle Dynamic, when cutting bottom device work, cutter 10 is contacted with 14 box hat bottom of battery core, and motor 2 is drivingly connected axis 3 and cutter pedestal 6 rotates, and makes It obtains cutter 10 to roll in 14 box hat bottom of battery core, to cut 14 box hat bottom of battery core.When cutter 10 rolls, cutter 10 and battery core It is that 30.4mm-31.4mm is cut when cutting 32650/32700 type cylindrical battery that 14 box hat bottoms, which are formed by point of contact diameter of a circle, Point diameter of a circle is preferably 30.9mm.The number of cutter 10 can be 1-5, preferably 3, be uniformly distributed in same circumference On, the shape of cutter 10 is circle, and cutter 10 is formed by point of contact when being contacted with 14 bottom of battery core and is located on the same circumference.
The overall dimensions of motor 2 are adjustable, as long as cutter 10 is formed by point of contact with 14 bottom of battery core justifies constant, motor 2 rotating speed can be 10-200 revs/min, preferably 100 revs/min.Caging bolt 9 is installed vertically on 6 lower end of cutter pedestal Face middle position, precession or back-out caging bolt 9 are to adjust the depth that cutter 10 cuts 14 bottom of battery core, cutting 32650/ When 32700 type cylindrical battery, the depth that cutter 10 cuts 14 bottom of battery core is 0.6mm.Caging bolt 9 can also use slide bar, determine The limiting devices such as position pin substitute.
As shown in Figure 5 and Figure 6, firm banking includes pedestal 12, bearing 13, geometrical clamp 11, activity folder 7 and fastening bolt 8, Geometrical clamp 11 is fixedly connected with 12 upper surface of pedestal, and 12 upper surface of pedestal is provided with bearing 13, and fastening bolt 8 is horizontally installed to prop up 13 sides of seat.The shape of pedestal 12 can be cuboid, and the side setting of geometrical clamp 11 is fluted, one of activity folder 7 Side setting is fluted, and the groove of geometrical clamp 11 is opposite with the slot opening of activity folder 7, and groove is semi-cylindrical, groove Diameter is identical as the outer diameter of battery core 14, for 32650/32700 type cylindrical battery, a diameter of 32.2mm of groove.Battery core 14 is pacified After between geometrical clamp 11 and activity folder 7, precession fastening bolt 8,8 promotion activity of fastening bolt is pressed from both sides moves to geometrical clamp, from And battery core is clamped, battery core can be unclamped by screwing out fastening bolt 8.Fastening bolt 9 can also use the replacements such as trip bolt.
The concrete operation method of cylindrical lithium ion battery box hat bottom is cut using the rapid cutting device of the present embodiment It is:First, the battery core 14 that need to be cut is positioned between the geometrical clamp 11 of firm banking and activity folder 7, the bottom court of battery core 14 On, then precession fastening bolt 8, so that battery core 14 is fixed on firm banking;Then, the caging bolt 9 for cutting bottom device is adjusted, is cut with adjusting Knife 10 cuts the depth of 14 bottom of battery core;Followed by, it is hand-held to cut bottom device, cutter 10 is smoothly positioned over 14 bottom needs of battery core Cut place, and the central axes of cutter pedestal 6 is made to be overlapped with the central axes of battery core 14;Then, the switch 1 for cutting bottom device, motor 2 are opened It starts to work, is drivingly connected axis 3 and cutter pedestal 6 rotates, cutter 10 scroll-diced battery core (14) box hat bottom;Subsequently, it cuts In 10 rolling process of knife, the hand-held bottom device that cuts slightly firmly presses down, until cutter 10 cuts through 14 box hat bottom of battery core completely;Most Afterwards, the switch 1 for cutting bottom device is closed, removes and cuts bottom device, screws out fastening bolt 8, release activity folder 7 removes battery core 14 with lug Bottom, you can carry out lug tension measurement.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, and its object is to make Those skilled in the art can understand the content of the present invention and implement it accordingly, and only cannot limit the present invention with the present embodiment The scope of the claims, it is every using equivalents made by description of the invention and accompanying drawing content, still fall the patent model in the present invention In enclosing.

Claims (10)

1. a kind of cylindrical lithium ion battery box hat bottom rapid cutting device, including cut bottom device and firm banking, which is characterized in that
The bottom device that cuts includes switch (1), motor (2), connecting shaft (3), cutter pedestal (6), cutter fixing axle (5), cutter (10) and shell (4), switch (1) are located at shell (4) surface, and motor (2) is built in shell (4), and motor (2) is by switch (1) Control, motor (2) are fixedly connected with connecting shaft (3) one end, and connecting shaft (3) other end is fixed with cutter pedestal (6) upper surface to be connected It connects, cutter pedestal (6) is cylinder, and the central axes of cutter pedestal (6) are overlapped with the central axes of connecting shaft (3), cutter (10) shape Shape is circle, and cutter (10) is installed on cutter pedestal (6) lower face by cutter fixing axle (5), and cutter (10) can be around cutter Fixing axle (5) rotates, and when cutting bottom device work, cutter (10) is contacted with battery core (14) box hat bottom, and motor (2) is drivingly connected axis (3) it is rotated with cutter pedestal (6) so that cutter (10) is rolled in battery core (14) box hat bottom, to cut battery core (14) box hat Bottom;
The firm banking includes pedestal (12), geometrical clamp (11), activity folder (7) and clamp device, geometrical clamp (11) and pedestal (12) upper surface is fixedly connected, and pedestal (12) upper surface is provided with clamp device, and battery core (14) is installed on geometrical clamp (11) and lives Between dynamic folder (7), clamp device can force activity folder (7) mobile to geometrical clamp (11), to clamp battery core (14).
2. cutter device according to claim 1, which is characterized in that the bottom device that cuts further includes limiting device, limit dress It installs and is placed in cutter pedestal (6) lower face middle position.
3. cutter device according to claim 1, which is characterized in that the number of the cutter (10) is 3,4 or 5 It is a, it is uniformly distributed on same circumference.
4. cutter device according to claim 3, which is characterized in that when the cutter (10) rolls, cutter (10) and electricity The contact of core (14) box hat bottom is formed by point of contact and is located on the same circumference, and cutter (10) is formed by point of contact with battery core (14) Diameter of a circle is 30.4mm-31.4mm.
5. cutter device according to claim 1, which is characterized in that a side of the geometrical clamp (11) is provided with recessed The side setting of slot, the activity folder (7) is fluted, the slot opening phase of the groove and activity folder (7) of geometrical clamp (11) Right, groove is semi-cylindrical, and the diameter of groove is identical as the outer diameter of battery core (14).
6. cutter device according to claim 1, which is characterized in that the rotating speed of the motor (2) is 10-200 revs/min Clock.
7. cutter device according to claim 1, which is characterized in that the clamp device includes fastening bolt (8) and branch Seat (13), the bearing (13) are set to pedestal (12) upper surface, and the fastening bolt (8) is horizontally installed to bearing (13) side Face;After battery core (14) is installed between geometrical clamp (11) and activity folder (7), precession fastening bolt (8), fastening bolt (8) pushes Activity folder (7) is mobile to geometrical clamp (11), and to clamp battery core (14), battery core (14) can be unclamped by screwing out fastening bolt (8).
8. cutter device according to claim 2, which is characterized in that the limiting device is caging bolt (9), limits spiral shell Bolt (9) is installed vertically on cutter pedestal (6) lower face middle position, and precession or back-out caging bolt (9) are to adjust cutter (10) Cut the depth of battery core (14) box hat bottom.
9. a kind of cylindrical lithium ion battery box hat bottom fly-cutting method, is cut using described in any item of the claim 1 to 8 Cut device, which is characterized in that include the following steps:
The battery core (14) that need to be cut is positioned between the geometrical clamp (11) of firm banking and activity folder (7) by S1, battery core (14) bottom Portion upward, then operates clamp device, and battery core (14) is made to be fixed on firm banking;
S2 is hand-held to cut bottom device, and cutter (10), which is smoothly positioned over battery core (14) bottom, needs cut place, and makes cutter pedestal (6) Central axes overlapped with the central axes of battery core (14);
S3 opens the switch (1) for cutting bottom device, and motor (2) is started to work, and is drivingly connected axis (3) and cutter pedestal (6) rotation, cutter (10) scroll-diced battery core (14) box hat bottom;
In S4 cutteves (10) rolling process, the hand-held bottom device that cuts slightly firmly presses down, until cutter (10) cuts through battery core completely (14) box hat bottom;
S5 closes the switch (1) for cutting bottom device, removes and cuts bottom device, and operation clamp device release activity folder (7) removes battery core (14) band The bottom of lug, you can carry out lug tension measurement.
10. a kind of cylindrical lithium ion battery box hat bottom fly-cutting method, using the cutter device described in claim 2 or 8, It is characterized by comprising the following steps:
The battery core (14) that need to be cut is positioned between the geometrical clamp (11) of firm banking and activity folder (7) by S1, battery core (14) bottom Portion upward, then operates clamp device, and battery core (14) is made to be fixed on firm banking;
S2 adjusts the limiting device for cutting bottom device, to adjust the depth that cutter (10) cuts battery core (14) box hat bottom;
S3 is hand-held to cut bottom device, and cutter (10), which is smoothly positioned over battery core (14) bottom, needs cut place, and makes cutter pedestal (6) Central axes overlapped with the central axes of battery core (14);
S4 opens the switch (1) for cutting bottom device, and motor (2) is started to work, and is drivingly connected axis (3) and cutter pedestal (6) rotation, cutter (10) scroll-diced battery core (14) box hat bottom;
In S5 cutteves (10) rolling process, the hand-held bottom device that cuts slightly firmly presses down, until cutter (10) cuts through battery core completely (14) box hat bottom;
S6 closes the switch (1) for cutting bottom device, removes and cuts bottom device, and operation clamp device release activity folder (7) removes battery core (14) band The bottom of lug, you can carry out lug tension measurement.
CN201710052285.7A 2017-01-22 2017-01-22 A kind of cylindrical lithium ion battery box hat bottom rapid cutting device and cutting method Pending CN108340021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710052285.7A CN108340021A (en) 2017-01-22 2017-01-22 A kind of cylindrical lithium ion battery box hat bottom rapid cutting device and cutting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710052285.7A CN108340021A (en) 2017-01-22 2017-01-22 A kind of cylindrical lithium ion battery box hat bottom rapid cutting device and cutting method

Publications (1)

Publication Number Publication Date
CN108340021A true CN108340021A (en) 2018-07-31

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2836973Y (en) * 2005-11-25 2006-11-15 白英刚 A large-range equipment for processing straight thread of ribbed steel bar
CN202007353U (en) * 2011-02-12 2011-10-12 尤汀水 Novel curtain puncher
US20120126471A1 (en) * 2009-06-30 2012-05-24 Hea-Man Park Holder for spot welder tip dresser with adjustable cutting rate
CN104328645A (en) * 2014-10-27 2015-02-04 常州纳捷机电科技有限公司 Low-resistance puncher
CN204308610U (en) * 2014-11-07 2015-05-06 广东铭利达科技有限公司 Milling face fixture
CN205254221U (en) * 2016-01-08 2016-05-25 山东海盛海洋工程集团有限公司 Cutting device for round tube
CN105666177A (en) * 2014-11-18 2016-06-15 西安志越机电科技有限公司 Cylindrical workpiece end flat-milling and clamping device
CN205466371U (en) * 2016-01-18 2016-08-17 余干县雄兵橡胶科技有限公司 Type cutting device is moulded to silica gel
CN206464630U (en) * 2017-01-22 2017-09-05 江苏金阳光新能源科技有限公司 A kind of cylindrical lithium ion battery box hat bottom rapid cutting device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2836973Y (en) * 2005-11-25 2006-11-15 白英刚 A large-range equipment for processing straight thread of ribbed steel bar
US20120126471A1 (en) * 2009-06-30 2012-05-24 Hea-Man Park Holder for spot welder tip dresser with adjustable cutting rate
CN202007353U (en) * 2011-02-12 2011-10-12 尤汀水 Novel curtain puncher
CN104328645A (en) * 2014-10-27 2015-02-04 常州纳捷机电科技有限公司 Low-resistance puncher
CN204308610U (en) * 2014-11-07 2015-05-06 广东铭利达科技有限公司 Milling face fixture
CN105666177A (en) * 2014-11-18 2016-06-15 西安志越机电科技有限公司 Cylindrical workpiece end flat-milling and clamping device
CN205254221U (en) * 2016-01-08 2016-05-25 山东海盛海洋工程集团有限公司 Cutting device for round tube
CN205466371U (en) * 2016-01-18 2016-08-17 余干县雄兵橡胶科技有限公司 Type cutting device is moulded to silica gel
CN206464630U (en) * 2017-01-22 2017-09-05 江苏金阳光新能源科技有限公司 A kind of cylindrical lithium ion battery box hat bottom rapid cutting device

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Application publication date: 20180731