CN103341550B - Battery shell automatic notching die - Google Patents

Battery shell automatic notching die Download PDF

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Publication number
CN103341550B
CN103341550B CN201310306216.6A CN201310306216A CN103341550B CN 103341550 B CN103341550 B CN 103341550B CN 201310306216 A CN201310306216 A CN 201310306216A CN 103341550 B CN103341550 B CN 103341550B
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China
Prior art keywords
die
spring
otch
fixedly connected
guide runner
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Expired - Fee Related
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CN201310306216.6A
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Chinese (zh)
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CN103341550A (en
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倪志华
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倪志华
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Priority to CN201310306216.6A priority Critical patent/CN103341550B/en
Publication of CN103341550A publication Critical patent/CN103341550A/en
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Publication of CN103341550B publication Critical patent/CN103341550B/en
Expired - Fee Related legal-status Critical Current
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Abstract

A battery shell automatic notching die comprises an upper die and a lower die. The upper die comprises an upper die plate, a notching male die fixing plate is fixedly connected with the lower face of the upper die plate, the lower face of the notching female die fixing plate is fixedly connected with a notching male die and locating rods, the locating rods are located around the notching male die, and locating cores are movably connected with the lower face of the notching male die in a front-and-back and left-and-right mode. The lower die comprises a lower die plate, a lower die seat is fixedly connected with the upper face of the lower die plate, female die cover plates are fixedly connected with the upper face of the lower die seat, and penetrating holes are formed in the middle of the female die cover plates. The middle part of the lower die seat and the middle part of the lower die plate are movably connected with a lower locating seat together in an up-and-down mode, guiding sliding blocks are arranged on the upper face of the lower locating seat, upper locating rings are arranged on the upper faces of the guiding sliding blocks, the upper locating rings, the guiding sliding blocks and the lower locating seat are fixedly connected through equal-altitude sleeves, guiding sliding rails are arranged between the lower die seat and the lower locating seat, the guiding sliding rails are fixedly installed inside the lower die seat and the upper face of the lower die plate, the guiding sliding blocks correspond to the guiding sliding rails, and the guiding sliding blocks are connected with the guiding sliding rails in an up-and-down sliding mode.

Description

The automatic notch die of battery container
Technical field
The present invention relates to a kind of battery container louvered die, particularly relate to the automatic notch die of a kind of battery container.
Background technology
At present, the louvered die for the production of battery container is independent notch die, will be forwarded to otch production line place after housing stretches, and traditional finish dimensional requires that the type of incision of high shell product mainly contains two kinds:
One, traditional four blade type of incision, housing oral area clout first cuts relative two sides, and then the relative two sides of excision residue.
The oral area part of this kind of four blade otch housing divides four excisions, and operating efficiency is slow, and in otch process, housing resetting, after oral area otch, dimensional accuracy has certain deviation.
Two, rotary cutting mode, will put into locating piece at housing cavity before casing cut, is taken out by locating piece after otch completes again, each otch work all will repeat this 2 actions, housing oral area accuracy guarantee, but production efficiency is poor, need manual operations, cannot automated production be completed.
Above-mentioned type of incision speed of production is slow, and production efficiency is low, dangerous large.In counterdie, guide rail easily occurs tilting, and the product burr of production is large, and percent defective is high, and cost is high, and cannot enter the automatic assembly line of multistation.
Summary of the invention
The object of this invention is to provide the automatic notch die of battery container that a kind of production efficiency is high, qualification rate is high, production cost is low.
For achieving the above object, the technical solution used in the present invention is:
The automatic notch die of a kind of battery container, comprise upper die and lower die, it is characterized in that: patrix comprises cope match-plate pattern, lance punch fixed head is fixedly connected with below cope match-plate pattern, lance punch and backstay is fixedly connected with below lance punch fixed head, backstay is positioned at around lance punch, is connected with locating core all around below lance punch, counterdie comprises lower bolster, is fixedly connected with die shoe above lower bolster, is fixedly connected with die cover plate above die shoe, has perforation in the middle of die cover plate, die shoe centre is connected with lower positioning seat with lower bolster centre is jointly up and down, guide runner is provided with above lower positioning seat, locating ring is provided with above guide runner, upper locating ring, guide runner and lower positioning seat are fixedly linked by contour cover, directive slide track is provided with between die shoe and lower positioning seat, directive slide track to be fixedly mounted on inside die shoe and above lower bolster, guide runner is corresponding with directive slide track, guide runner is connected for sliding up and down with directive slide track, with projection inside directive slide track, be fixedly connected with otch die above guide runner, otch die is positioned at the perforation in the middle of die cover plate, and have housing standing groove in the middle of otch die, locating core is corresponding up and down with housing standing groove, and backstay is corresponding with under otch die, spring bearer plate is fixedly connected with below lower bolster, liftout spring stationary magazine creel is fixedly connected with below upper spring bearer plate, liftout spring is provided with in liftout spring stationary magazine creel, liftout spring upper end is connected with liftout core, through hole is had in the middle of upper spring bearer plate, passage is had in the middle of lower positioning seat, groove is had in the middle of guide runner, housing standing groove in the middle of otch die, groove in the middle of guide runner, passage in the middle of lower positioning seat, through hole in the middle of upper spring bearer plate and liftout spring stationary magazine creel communicate successively, liftout core upper end is successively through the through hole in the middle of upper spring bearer plate, passage in the middle of lower positioning seat, groove in the middle of guide runner and the housing standing groove in the middle of otch die, also be fixedly connected with screw rod below lower bolster, screw rod passes from upper spring bearer plate, and screw rod and upper spring bearer plate are for being flexibly connected, and screw rod lower end is fixedly connected with lower spring pressing plate, are connected with spring between upper spring bearer plate and lower spring pressing plate.
According to the automatic notch die of described battery container, it is characterized in that: described lance punch fixed head, lance punch are connected by steel wire stalk with locating core, steel wire stalk upper end is connected with steel wire stalk regulating spring; Lance punch longitudinally has loose slot, and locating core upper surface has pit, and loose slot and pit are corresponding up and down, is provided with reset steel ball regulating spring, is provided with reset steel ball in pit in loose slot, and reset steel ball regulating spring lower end withstands on reset steel ball.
According to the automatic notch die of described battery container, it is characterized in that: with projection outside described guide runner, projection is corresponding with the described projection on described directive slide track.
According to the automatic notch die of described battery container, it is characterized in that: described screw rod lower end is fixedly connected with described lower spring pressing plate by nut.
According to the automatic notch die of described battery container, it is characterized in that: the described loose slot threaded upper ends in described lance punch is connected with spring set screw, described reset steel ball regulating spring upper end withstands on below spring set screw.
Patrix in the present invention adopts locating core and lance punch to link into an integrated entity the structure of formula, make otch start prelocalization core to move together with lance punch, after otch terminates, locating core does not depart from lance punch, and locating core can automatically return to normal place by reset steel ball when backhaul, complete the preparation of next otch, thus solve the shortcoming that common rail formula notch die locating core is separated, each otch manually need put into housing.
In the present invention, the otch die of counterdie and guide runner are fixed together, upper locating ring and the spacing firmly guide runner of lower positioning seat, upper locating ring and the function of lower positioning seat ensure that guide runner is merely able to parallel carrying out with otch die and moves up and down and all around, there will not be tilt phenomenon.Upper locating ring and lower positioning seat adopt contour overlapping to be connected, and enable the translation that otch die and guide runner are effectively stable.The otch of this kind of mode can realize automatic steady fixed pattern and produce, solve each otch of notch die in traditional mode of production manually need put into housing and otch time slide block easily occur tilting and the shortcoming such as the mould damage, the housing oral area burr that cause be large, unstable.
In sum, the present invention effectively raises work production efficiency, qualification rate, reduces production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of patrix in the present invention;
Fig. 3 is the structural representation of counterdie in the present invention;
Fig. 4 uses the present invention to prepare the state diagram before otch to housing;
Fig. 5 uses the present invention to carry out the state diagram before otch to housing;
Fig. 6 is state diagram when using the present invention to carry out otch to housing;
Fig. 7 is the plan structure schematic diagram of Fig. 1.
In accompanying drawing:
1, cope match-plate pattern; 2, lance punch fixed head; 3, lance punch; 4, backstay; 5, locating core; 6, stripper; 7, housing; 8, otch die; 9, guide runner; 10, directive slide track; 11, liftout core; 12, upper spring bearer plate; 13, screw rod; 14, spring; 15, liftout spring; 16, liftout spring stationary magazine creel; 17, lower spring pressing plate; 18, nut; 19, lower bolster; 20, lower positioning seat; 21, die shoe; 22, contour cover; 23, upper locating ring; 24, die cover plate; 25, reset steel ball regulating spring; 26, reset steel ball; 27, steel wire stalk; 28, steel wire stalk regulating spring; 29, spring set screw; 30, clout.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
The automatic notch die of a kind of battery container, as shown in Figures 1 to 7, comprise upper die and lower die, patrix comprises cope match-plate pattern 1, cope match-plate pattern 1 is fixedly connected with lance punch fixed head 2 below, lance punch fixed head 2 is fixedly connected with lance punch 3 and backstay 4 below, and backstay 4 is positioned at around lance punch 3, and lance punch 3 is connected with locating core 5 all around below, counterdie comprises lower bolster 19, and lower bolster 19 is fixedly connected with die shoe 21 above, and die shoe 21 is fixedly connected with die cover plate 24 above, has perforation in the middle of die cover plate 24, die shoe 21 centre is connected with lower positioning seat 20 with lower bolster 19 centre is jointly up and down, lower positioning seat 20 is provided with guide runner 9 above, guide runner 9 is provided with locating ring 23 above, upper locating ring 23, guide runner 9 and lower positioning seat 20 are fixedly linked by contour cover 22, directive slide track 10 is provided with between die shoe 21 and lower positioning seat 20, directive slide track 10 to be fixedly mounted on inside die shoe 21 and above lower bolster 19, guide runner 9 is corresponding with directive slide track 10, guide runner 9 is connected for sliding up and down with directive slide track 10, with projection inside directive slide track 10, guide runner 9 is above fixedly connected with otch die 8, and otch die 8 is positioned at the perforation in the middle of die cover plate 24, and has housing standing groove in the middle of otch die 8, locating core 5 is corresponding up and down with housing standing groove, and backstay 4 and otch die 8 times are corresponding, lower bolster 19 is fixedly connected with spring bearer plate 12 below, upper spring bearer plate 12 is fixedly connected with liftout spring stationary magazine creel 16 below, liftout spring 15 is provided with in liftout spring stationary magazine creel 16, liftout spring 15 upper end is connected with liftout core 11, through hole is had in the middle of upper spring bearer plate 12, passage is had in the middle of lower positioning seat 20, groove is had in the middle of guide runner 9, housing standing groove in the middle of otch die 8, groove in the middle of guide runner 9, passage in the middle of lower positioning seat 20, through hole in the middle of upper spring bearer plate 12 and liftout spring stationary magazine creel 16 communicate successively, liftout core 11 upper end is successively through the through hole in the middle of upper spring bearer plate 12, passage in the middle of lower positioning seat 20, groove in the middle of guide runner 9 and the housing standing groove in the middle of otch die 8, lower bolster 19 is also fixedly connected with screw rod 13 below, screw rod 13 passes from upper spring bearer plate 12, screw rod 13 and upper spring bearer plate 12 are for being flexibly connected, and screw rod 13 lower end is fixedly connected with lower spring pressing plate 17, are connected with spring 14 between upper spring bearer plate 12 and lower spring pressing plate 17.
In the present embodiment, described lance punch fixed head 2, lance punch 3 are connected by steel wire stalk 27 with locating core 5, and steel wire obstructs 27 upper ends and is connected with steel wire stalk regulating spring 28; Lance punch 3 longitudinally has loose slot, locating core 5 upper surface has pit, and loose slot and pit are corresponding up and down, is provided with reset steel ball regulating spring 25 in loose slot, be provided with reset steel ball 26 in pit, reset steel ball regulating spring 25 lower end withstands on reset steel ball 26.With projection outside described guide runner 9, projection is corresponding with the described projection on described directive slide track 10.Described screw rod 13 lower end is fixedly connected with described lower spring pressing plate 17 by nut 18.Described loose slot threaded upper ends in described lance punch 3 is connected with spring set screw 29, and described reset steel ball regulating spring 25 upper end withstands on below spring set screw 29.
Embodiment recited above is only be described the preferred embodiment of the present invention; not the spirit and scope of the present invention are limited; under the prerequisite not departing from design concept of the present invention; the various modification that in this area, common engineers and technicians make technical scheme of the present invention and improvement; protection scope of the present invention all should be fallen into; the technology contents of request protection of the present invention, all records in detail in the claims.
Working method of the present invention is: after housing enters the locating core of lance punch bottom, lance punch moves to otch die place under the pressure of press, backstay (backstay is for the incision gap between polarizing slot punch and incision die) around lance punch pushes up otch die, promotion counterdie moves down, in the process of counterdie movement, guide runner moves down along the pre-determined route left-right swing type of directive slide track, enables otch die in the process swung, jointly complete the otch work of square casing oral area clout with lance punch.
In the present invention, lance punch and locating core are the formula structure that is fixed as one, locating core has the feature that swings when ensureing otch, and this mode can ensure the degree of accuracy of locating core positioning housing, can follow in otch again housing together counteropening punch do translational motion.
It is auxiliary to mould that lance punch and locating core have two pieces of reset steel balls to carry out in the otch course of work and after otch, and when otch does not start, reset steel ball is positioned at the pit of locating core, makes locating core be positioned at lance punch center, thus possess the condition that otch starts; In otch process, locating core need move with otch die, and reset steel ball top has spring to withstand, and can extrude, meet the job requirement of locating core during otch in the pit of locating core; After otch terminates, spring compresses reset steel ball, makes reset steel ball clamp-on in the pit of locating core, thus drives locating core to reset, and makes locating core return to Job readiness position, then prepares next otch work.
Otch die and guide runner adopt the upper locating ring of Anti-inclining and lower positioning seat to protect spacing; upper locating ring and lower positioning seat can protect guide runner and otch die to be merely able to move in parallel all around; there will not be the phenomenon of inclination; when solving traditional moulds otch, guide rail easily occurs tilting; mould is caused to damage; otch product oral area burr is large, the shortcoming that percent defective is high.
The present invention has auto-reset function, counterdie has the design of Anti-inclining formula, good stability, make louvered die can the production of stability and high efficiency, thus can be used on multi-station continuous stretching die tool, improve mold cutouts production efficiency, lower energy consumption, be particularly suitable for the automatic assembly line of motive-power battery shell domestic at present.
Technological principle of the present invention is (be placed on patrix with lance punch, otch die is placed on counterdie to illustrate):
By manipulator or other transmission devices, the square shell completing stretching is sent into otch station.Be now that locating core in the center of mould ` tool, need ensure the incision site precision of square casing with this to the requirement of this operation.
Press slide starts descending, and drive patrix descending, when going downwards to certain position, the locating core of center is inserted in square casing, and locating core enters square casing can be driven descending together after in square casing completely.
Patrix is provided with severally makes bar, the bottom making bar has more certain distance than the bottom of lance punch and (is generally 0.02 ~ 0.05mm, this is designed to knife edge clearance, otch wall portion thickness is different as required, clearance height is not identical yet), now when patrix continue to go downwards to locating core enter into completely in otch die time, making bar and beating and contact otch die of patrix, now just starts to enter otch process.
After this patrix continues descending, the making bar and can continue to press down otch die of patrix, and because otch die and guide runner are fixed together, thus guide runner can follow same otch die to move downward together.
In counterdie, surrounding has directive slide track, the profile of directive slide track is some specific shapes, guide runner can move down along these shapes, the given shape of directive slide track effect be position downward for guide runner is moved the displacement changed into also carrying out while bottom offset all around.Because of otch die left and right displacement forwards, backwards, and the lance punch of patrix always only can the moving down of synchronized degree simultaneously, at this moment just there will be the displacement of one of otch die counteropening punch left and right forwards, backwards, complete the oral area clout excision work of square shaped housing with this displacement.
Having upper locating ring and lower positioning seat in counterdie, is hollow design in the middle part of upper locating ring, and hollow part places otch die, and upper locating ring is arranged on above guide runner, and lower positioning seat is arranged on below guide runner.Guide runner indoor design has the position of installing contour cover, and upper locating ring and lower positioning seat are linked together by contour cover.The height of contour cover is slide block thickness+0.02 ~ 0.04mm, and this is designed to ensure that guide runner can move in moving down all around, can ensure that again guide runner there will not be inclination between upper locating ring and lower positioning seat.The chamber that can encase locating ring and lower positioning seat four bights is designed with in die shoe, upper locating ring and lower positioning seat are joined for sliding relative to die shoe, the effect in this chamber is accurate the moving up and down of the upper locating ring in location and lower positioning seat, and locating ring and lower positioning seat can not be allowed to occur tilting and double swerve.
In otch process, square casing all around can move with locating core together with otch die, thus needs locating core can link together with lance punch, again can relative movement.In this structure, patrix is designed to locating core by connecting with lance punch with the steel wire stalk of steel wire stalk regulating spring, meets process requirements with this.
The present invention has two (or more, according to square casing situation design) reset steel balls, and the lance punch place that reset steel ball is corresponding is loose slot, and the locating core place that reset steel ball is corresponding is pit.Reset steel ball top is positioned at the loose slot of lance punch, and the reset steel ball regulating spring pushing down reset steel ball is arranged at top, and reset steel ball regulating spring upper end is the spring set screw of regulating spring.When not at casing cut station, reset steel ball pushed down by reset steel ball regulating spring, makes reset steel ball bottom get in the pit of locating core, makes locating core move rear reset reply with this.Can also ensure that the stop place of locating core is the center of mould simultaneously.When carrying out in incision operation, locating core meeting pressed home steel ball, reset steel ball pressed home steel ball regulating spring, reset steel ball regulating spring forced compression thus vacate the position that reset steel ball occupies, reset steel ball can move up, be extruded the pit on locating core, locating core just can be followed otch die and all around be moved together.
After otch completes, guide runner returns, and patrix moves up, and square casing and locating core can be made after housing departs from otch die under the effect of stripper to depart from.And now because without otch power, reset steel ball regulating spring meeting pressed home steel ball in patrix, makes reset steel ball be got in the pit of locating core, completes the reset of locating core with this, making locating core return to again the center of mould, is the ready work of next otch.After lance punch to get back on mould point, whole otch process completes.
In addition, the present invention can also be designed to lance punch and be arranged in counterdie, and otch Die Design is (be generally used for the reverse drawing mould of Multi-position drawing, oral area stretches to mo(u)ld bottom half) in patrix, and this kind of operation principle is with to describe principle above identical.
The design of patrix of the present invention can make lance punch and locating core link together, and can in otch work, locating core be automatically reset again, lance punch and locating core effectively connect, and can also mutually slide, and have reset steel ball.In otch process, the relative housing of lance punch slides, complete otch action, housing does not now move, locating core slides relative to lance punch, thus the function of housing not movement is possessed, after otch work completes, reset steel ball makes locating core return to Job readiness position, possess and continue otch positioning function next time, therefore the present invention possesses quantity-produced ability, multistation tinuous production can use, adding the housing that tinuous production of the present invention produces is perfect aspect, directly can enter matting, omit traditional otch operation, improve capacity efficiency.The design of counterdie of the present invention solves the guide runner of traditional counterdie and otch die easily occurs tilting, affect compressed gap, thus cause otch burr large, the shortcoming that waste product is high, counterdie of the present invention comprises locating ring and lower positioning seat, upper locating ring, lower have the spacing connection of contour cover between positioning seat and guide runner, thus ensure guide runner and otch die can with upper locating ring, the assembly of lower positioning seat and guide runner divides to movement, and upper locating ring and lower positioning seat can ensure guide runner and otch die can only up and down before and after move in parallel, prevent from, thus solve the problem of traditional lower mould inclination, make mould can the production of more stability and high efficiency.
The present invention adopts rotary cutting mode, can ensure housing oral area precision, and locating core and lance punch adopt integral structure simultaneously, and each otch does not arrange locating core by hand, can combine with other mould structures, and the full-automatic mode completing housing is produced.

Claims (4)

1. the automatic notch die of battery container, comprises upper die and lower die, it is characterized in that:
Patrix comprises cope match-plate pattern (1), cope match-plate pattern (1) is fixedly connected with lance punch fixed head (2) below, lance punch fixed head (2) is fixedly connected with lance punch (3) and backstay (4) below, backstay (4) is positioned at lance punch (3) around, and lance punch (3) is connected with locating core (5) all around below;
Counterdie comprises lower bolster (19), and lower bolster (19) is fixedly connected with die shoe (21) above, and die shoe (21) is fixedly connected with die cover plate (24) above, has perforation in the middle of die cover plate (24);
Die shoe (21) centre is connected with lower positioning seat (20) with lower bolster (19) centre is jointly up and down, lower positioning seat (20) is provided with guide runner (9) above, guide runner (9) is provided with locating ring (23) above, upper locating ring (23), guide runner (9) and lower positioning seat (20) are fixedly linked by contour cover (22), directive slide track (10) is provided with between die shoe (21) and lower positioning seat (20), directive slide track (10) is fixedly mounted on above die shoe (21) inner side and lower bolster (19), guide runner (9) is corresponding with directive slide track (10), guide runner (9) is connected for sliding up and down with directive slide track (10), directive slide track (10) inner side is with projection,
Guide runner (9) is fixedly connected with otch die (8) above, otch die (8) is positioned at the perforation in the middle of die cover plate (24), housing standing groove is had in the middle of otch die (8), locating core (5) is corresponding up and down with housing standing groove, and backstay (4) is corresponding up and down with otch die (8);
Lower bolster (19) is fixedly connected with spring bearer plate (12) below, upper spring bearer plate (12) is fixedly connected with liftout spring stationary magazine creel (16) below, liftout spring (15) is provided with in liftout spring stationary magazine creel (16), liftout spring (15) upper end is connected with liftout core (11), through hole is had in the middle of upper spring bearer plate (12), passage is had in the middle of lower positioning seat (20), groove is had in the middle of guide runner (9), housing standing groove in the middle of otch die (8), groove in the middle of guide runner (9), passage in the middle of lower positioning seat (20), through hole in the middle of upper spring bearer plate (12) and liftout spring stationary magazine creel (16) communicate successively, liftout core (11) upper end is successively through the through hole in the middle of upper spring bearer plate (12), passage in the middle of lower positioning seat (20), groove in the middle of guide runner (9) and the housing standing groove in the middle of otch die (8),
Lower bolster (19) is also fixedly connected with screw rod (13) below, screw rod (13) from upper spring bearer plate (12) through, screw rod (13) and upper spring bearer plate (12) are for being flexibly connected, screw rod (13) lower end is fixedly connected with lower spring pressing plate (17), is connected with spring (14) between upper spring bearer plate (12) and lower spring pressing plate (17);
Described lance punch fixed head (2), lance punch (3) and locating core (5) are connected by steel wire stalk (27), and steel wire stalk (27) upper end is connected with steel wire stalk regulating spring (28); Lance punch (3) longitudinally has loose slot, locating core (5) upper surface has pit, loose slot and pit are corresponding up and down, reset steel ball regulating spring (25) is provided with in loose slot, be provided with reset steel ball (26) in pit, reset steel ball regulating spring (25) lower end withstands on reset steel ball (26).
2. the automatic notch die of battery container according to claim 1, is characterized in that: described guide runner (9) outside is with projection, and projection is corresponding with the described projection on described directive slide track (10).
3. the automatic notch die of battery container according to claim 2, is characterized in that: described screw rod (13) lower end is fixedly connected with described lower spring pressing plate (17) by nut (18).
4. the automatic notch die of battery container according to claim 3, it is characterized in that: the described loose slot threaded upper ends in described lance punch (3) is connected with spring set screw (29), described reset steel ball regulating spring (25) upper end withstands on below spring set screw (29).
CN201310306216.6A 2013-07-22 2013-07-22 Battery shell automatic notching die Expired - Fee Related CN103341550B (en)

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Application Number Priority Date Filing Date Title
CN201310306216.6A CN103341550B (en) 2013-07-22 2013-07-22 Battery shell automatic notching die

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Application Number Priority Date Filing Date Title
CN201310306216.6A CN103341550B (en) 2013-07-22 2013-07-22 Battery shell automatic notching die

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CN103341550B true CN103341550B (en) 2015-06-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531729B (en) * 2013-10-31 2015-10-14 无锡市金杨新型电源有限公司 Battery case production notching mechanism

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201421852Y (en) * 2009-04-22 2010-03-10 王文林 Battery case automatic notching mechanism
CN201570522U (en) * 2009-12-10 2010-09-01 倪志华 Battery shell notching machine with multi-station stretching guide rail
CN202934022U (en) * 2012-09-07 2013-05-15 宁波市奇精机械有限公司 Notch die of table bell body
CN203380249U (en) * 2013-07-22 2014-01-08 倪志华 Automatic notching die for battery cases

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2852171B2 (en) * 1992-04-15 1999-01-27 山形日本電気株式会社 Lead cutting machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201421852Y (en) * 2009-04-22 2010-03-10 王文林 Battery case automatic notching mechanism
CN201570522U (en) * 2009-12-10 2010-09-01 倪志华 Battery shell notching machine with multi-station stretching guide rail
CN202934022U (en) * 2012-09-07 2013-05-15 宁波市奇精机械有限公司 Notch die of table bell body
CN203380249U (en) * 2013-07-22 2014-01-08 倪志华 Automatic notching die for battery cases

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