CN210452914U - Flying cutting mechanism for pole piece of lithium ion power battery - Google Patents
Flying cutting mechanism for pole piece of lithium ion power battery Download PDFInfo
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- CN210452914U CN210452914U CN201920984379.2U CN201920984379U CN210452914U CN 210452914 U CN210452914 U CN 210452914U CN 201920984379 U CN201920984379 U CN 201920984379U CN 210452914 U CN210452914 U CN 210452914U
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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 lithium ion power battery pole piece fly-cutting mechanism, which comprises a workbench, wherein a straight-blade cutter is arranged on the workbench, a knife rest which is driven by a walking mechanism to translate along the length direction of the straight-blade cutter is arranged on the upper side of the straight-blade cutter, a disc cutter which is driven by a power mechanism to rotate is arranged on the knife rest, and the cutting edge of the disc cutter is meshed with the cutting edge of the straight-blade cutter; material pressing mechanisms are respectively arranged above the front side and the rear side of the straight-blade cutter; and a material pressing power mechanism used for pushing the material pressing mechanism to move downwards and press the pole piece is arranged on the knife rest. The utility model has reasonable structural design, adopts the matching of the disc cutter and the straight blade cutter to finish cutting, has small impact and good smoothness of the whole cutting action, and can effectively improve the service life of the cutter; meanwhile, the cutting angle between the disc cutter and the straight-edge cutter is large, so that the cutting quality can be improved, and burrs can be effectively controlled.
Description
The technical field is as follows:
the utility model relates to a lithium ion power battery pole piece flies to cut mechanism.
Background art:
at present, the production process of the lithium ion power battery mainly has two directions: a cell winding process mainly applied to CE batteries, which does not need to cut off pole pieces but is not applicable to large-scale power lithium ion power batteries); the other is a cell lamination process, which is applicable to all lithium ion batteries, but requires the monolithic cutting of the pole pieces.
In the preparation and cutting process of the lithium ion power battery positive/negative electrode sheet, the following reasons are adopted: (1) the pole piece contains lithium and carbon, and the thickness of the pole piece is too thin; (2) the longer the power battery pole piece is, the larger the power battery pole piece is under the requirement of improving the battery capacity; (3) capacity requirements and automated production requirements. The cutting efficiency of the current pole piece is low, the service life of the cutter is short, the structure maintenance performance is poor, the burr control of the cut pole piece is poor, the battery is further caused to have potential safety hazards, particularly, the metal burrs are huge in harm to the lithium battery, the metal burrs with large sizes directly pierce through the diaphragm, and short circuit between the positive pole and the negative pole is caused.
The utility model has the following contents:
the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a lithium ion power battery pole piece flies to cut the mechanism is provided, not only structural design is reasonable, improve the cutting efficiency of pole piece, prolongs the life-span of cutter moreover.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a lithium ion power battery pole piece flies to cut mechanism, includes the workstation, install straight sword cutter on the workstation, the upside of straight sword cutter is equipped with the knife rest along the length direction translation of straight sword cutter by the running gear drive, install the rotatory disc cutter by power unit drive on the knife rest, the blade of disc cutter and the blade looks interlock of straight sword cutter.
Furthermore, material pressing mechanisms are respectively arranged above the front side and the rear side of the straight-edge cutter; and a material pressing driving mechanism power mechanism used for pushing the material pressing mechanism to move downwards and press the pole piece is arranged on the tool rest.
Further, the preceding, the back both sides of straight sword cutter are equipped with respectively and link firmly the pressure blade holder and the cutter mount pad at the workstation up end, the front end of cutter mount pad is violently equipped with the location step that is used for installing the straight sword cutter, the rear end face upper end of pressing the blade holder and the leading flank lower extreme looks butt of straight sword cutter to press the straight sword cutter to establish in location step, the upper end rear portion of pressing the blade holder is equipped with the fillet of stepping down that stretches into in order to do benefit to the lower extreme of disc cutter.
Furthermore, the upper sides of the material pressing seat and the cutter mounting seat are respectively provided with a material pressing mechanism, the material pressing mechanism comprises a material pressing frame which is transversely arranged and a material pressing plate which is arranged on the lower side of the material pressing frame in parallel, the lower sides of the left and right ends of the material pressing frame are respectively provided with a supporting block which is fixedly connected with the upper end surface of the workbench, the middle part of the supporting block is vertically penetrated with a guide rod A in a sliding mode, the upper end of the guide rod A is fixedly connected with the material pressing frame, and a reset spring which is sleeved on the outer side of the guide rod A is abutted between the material pressing frame and; vertical through holes are formed in the left end and the right end of the material pressing plate respectively, a guide rod B penetrates through the vertical through holes in a sliding mode, the upper end of the guide rod B is fixedly connected with the material pressing frame, and a plurality of compression springs are abutted between the material pressing frame and the material pressing plate.
Further, the material pressing driving mechanism comprises two U-shaped frames which are respectively arranged on the upper sides of the cutter mounting seat and the cutter pressing seat, the two U-shaped frames are located on the front side and the rear side of the disc cutter, a connecting rod is connected between the left ends and the right ends of the two U-shaped frames, the connecting rod is fixedly connected with the cutter rest, and a cam follower which rolls along the top surface of the cutter pressing frame is mounted in the middle of the lower end of each U-shaped frame.
Furthermore, the left end and the right end of the material pressing frame are symmetrically provided with lifting inclined planes which are used for being in rolling fit with the cam followers and driving the material pressing frame to lift, and a pressure maintaining horizontal plane which is used for being in rolling fit with the cam followers and keeping the material pressing frame in a downward pressing state is arranged between the lifting inclined planes at the two ends.
Furthermore, the power mechanism comprises a driving shaft which is longitudinally and fixedly penetrated through the middle part of the disc cutter, and the rear end of the driving shaft is in transmission connection with a motor shaft of a driving motor arranged on the tool rest.
Furthermore, a flexible material pressing disc for pressing the pole piece is fixedly connected to the rear side of the disc cutter on the driving shaft, a shaft end cover is fixedly connected to the front end of the driving shaft, and a disc spring is abutted between the shaft end cover and the front side face of the disc cutter.
Furthermore, running gear is including the walking frame of parallel locating the workstation upside, both ends are connected firmly with the workstation through the support frame respectively about the walking frame, and the linear electric motor of horizontal setting is installed to the bottom surface of walking frame, linear electric motor's removal end is connected firmly with the knife rest, and linear electric motor's front side is equipped with transverse guide sliding block set spare, transverse guide sliding block set spare's slider is connected firmly with the knife rest.
Compared with the prior art, the utility model discloses following effect has: the utility model has reasonable structural design, adopts the matching of the disc cutter and the straight blade cutter to finish cutting, has small impact and good smoothness of the whole cutting action, and can effectively improve the service life of the cutter; meanwhile, the cutting angle between the disc cutter and the straight-edge cutter is large, so that the cutting quality can be improved, and burrs can be effectively controlled.
Description of the drawings:
fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a left side view configuration diagram of the embodiment of the present invention;
fig. 3 is a schematic front view of the embodiment of the present invention;
fig. 4 is a schematic top view of an embodiment of the present invention;
FIG. 5 is a schematic view of the matching structure of the power mechanism and the disc cutter;
FIG. 6 is a schematic perspective view of the swage drive mechanism;
FIG. 7 is a schematic perspective view of a straight-edged cutting blade in cooperation with a cutting blade mount and a blade holder;
FIG. 8 is a schematic left view of the straight edge cutter in cooperation with the cutter mount and the blade holder;
FIG. 9 is a schematic perspective view of the swaging mechanism engaged with the cutter mount and the cutter pressing base;
fig. 10 is a perspective configuration schematic view of the swaging mechanism.
In the figure:
1-a workbench; 2-straight edge cutter; 3-a traveling mechanism; 4-a tool rest; 5-disc cutter; 6-a material pressing mechanism; 7-a power mechanism; 8-pressing the tool apron; 9-a cutter mounting seat; 10-positioning a step; 11-abdication round corners; 12-a material pressing frame; 13-a material pressing plate; 14-a support block; 15-guide bar A; 16-a return spring; 17-guide bar B; 18-a compression spring; 19-a material pressing driving mechanism; 20-U-shaped frame; 21-a connecting rod; 22-a cam follower; 23-lifting inclined plane; 24-pressure maintaining horizontal plane; 25-a drive shaft; 26-a drive motor; 27-a flexible pressure disc; 28-shaft end cap; 29-disc spring; 30-a walking frame; 31-a support frame; 32-linear motor; 33-transverse guide slide assembly.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this embodiment, the length direction of the straight-edge cutter 2 in the direction description is transverse, the left end and the right end of the length direction of the straight-edge cutter 2 are the left side and the right side respectively, the cutter mounting seat 9 side is the rear side, and the cutter pressing seat 8 side is the front side.
As shown in fig. 1 to 4, the flying cutting mechanism for lithium ion power battery pole pieces comprises a workbench 1, wherein a straight-edge cutter 2 transversely arranged is installed on the upper end surface of the workbench 1, a cutter rest 4 driven by a traveling mechanism 3 to perform reciprocating translation along the length direction (transverse direction) of the straight-edge cutter 2 is arranged on the upper side of the straight-edge cutter 2, a disc cutter 5 driven by a power mechanism 7 to rotate is installed on the cutter rest 4, and the cutting edge of the disc cutter 5 is meshed with the cutting edge of the straight-edge cutter 2. The upper cutter adopts a self-rotating disc cutter, the lower cutter adopts a flat cutter structure with a linear cutting edge, the upper cutter and the lower cutter are matched to complete the rolling cutting of the pole piece, the whole shearing action has small impact and good smoothness, and the service life of the cutter can be effectively prolonged; meanwhile, the cutting angle between the disc cutter and the straight-edge cutter is large, so that the cutting quality can be improved, and burrs can be effectively controlled.
In this embodiment, the pressing mechanisms 6 are respectively arranged above the front side and the rear side of the straight-edge cutter 2; and a material pressing driving mechanism 19 for pushing the material pressing mechanism 6 to move downwards and press the pole piece is arranged on the knife rest 4, and the material pressing mechanism 6 is used for pressing two ends of the cutting part of the pole piece.
In this embodiment, as shown in fig. 7 to 8, the front and back both sides of the straight-blade cutter 2 are respectively provided with a blade pressing base 8 and a cutter mounting base 9 which are fixedly connected to the upper end surface of the workbench 1, the blade pressing base 9 and the cutter mounting base 9 are both of a strip-shaped structure, the front end of the cutter mounting base 9 is transversely provided with a positioning step 10 for vertically mounting the straight-blade cutter 2, the upper end of the back end surface of the blade pressing base 8 abuts against the lower end of the front side surface of the straight-blade cutter 2 so as to tightly press the straight-blade cutter 2 in the positioning step 10, and the rear part of the upper end of the blade pressing base 8 is provided with a position-yielding fillet 11 which is beneficial to the extension of the lower end of.
In this embodiment, as shown in fig. 9 to 10, the pressing mechanism 6 is disposed on the upper sides of the pressing tool seat 8 and the cutter mounting seat 9, the material pressing mechanism 6 comprises a material pressing frame 12 arranged transversely and a material pressing plate 13 arranged on the lower side of the material pressing frame 12 in parallel, the material pressing frame 12 and the material pressing plate 13 are both in a strip-shaped structure, the material pressing plate 13 is used for matching with a cutter pressing seat 8 or a cutter mounting seat 9 to press a pole piece, the lower sides of the left end and the right end of the material pressing frame 12 are respectively provided with a supporting block 14 fixedly connected with the upper end surface of the worktable 1, the supporting block 14 is in an inverted Y shape, a sliding hole which penetrates through the supporting block 14 along the vertical direction is arranged in the middle of the supporting block, a guide rod A15 penetrates through the sliding hole in a sliding manner, the upper end of the guide rod A15 is fixedly connected with the material pressing frame 12, a return spring 16 sleeved outside the guide rod A15 is abutted between the material pressing frame 12 and the top surface of the supporting block 14, and the elastic force generated after the return spring 16 is pressed can be used for enabling the material pressing frame 12 to move downwards and then reset upwards; the pole piece pressing device is characterized in that vertical through holes are formed in the left end and the right end of the material pressing plate 13 respectively, guide rods B17 penetrate through the vertical through holes in a sliding mode, the upper end of each guide rod B17 is fixedly connected with the material pressing frame 12, a plurality of compression springs 18 are connected between the material pressing frame 12 and the material pressing plate 13 in a supporting mode, the compression springs 18 are evenly distributed along the transverse direction at intervals, and due to the fact that the compression springs 18 are in a compression state, downward elastic force generated by the compression springs acts on the material pressing plate 13, and pressing force of the material pressing plate 13 on pole.
Preferably, the lower end of the guide rod A is provided with a limiting flange A with the diameter larger than that of the sliding hole, so that the guide rod A is limited along with the upward movement of the material pressing frame; the lower end of the guide rod B is provided with a limiting flange B with the diameter larger than that of the vertical through hole, so that the pressure plate is limited.
In this embodiment, as shown in fig. 6, the swaging driving mechanism 19 includes two U-shaped frames 20 respectively disposed on the upper sides of the cutter mounting seat 9 and the swaging seat 8, the two U-shaped frames 20 are located on the front and rear sides of the disc cutter 5, a connecting rod 21 is connected between the left end and the right end of each of the two U-shaped frames 20, the connecting rod 21 is fixedly connected with the tool holder 4, and a cam follower 22 for rolling along the top surface of the swaging frame 12 is installed in the middle of the lower end of each of the U-shaped frames 20.
In this embodiment, as shown in fig. 10, the left and right ends of the material pressing frame 12 are symmetrically provided with lifting inclined planes 23 for rolling-matching with the cam followers 22 and driving the material pressing frame 12 to lift, and a pressure maintaining horizontal plane 24 for rolling-matching with the cam followers 22 and maintaining the downward pressing state of the material pressing frame 12 is provided between the lifting inclined planes 23 at the two ends. When the device works, in the moving process of the tool rest 4, the cam follower 22 rolls along the lifting inclined plane 23 at the left end of the material pressing frame 12 firstly, and the material pressing frame 12 can lift vertically, so that the cam follower 22 can push the material pressing frame 12 to move downwards, the material pressing plates 13 at the front side and the rear side downwards press two ends of a pole piece, and the pole piece is prevented from being displaced during subsequent roll cutting; then the cam follower 22 rolls along the pressure maintaining horizontal plane 24, at the moment, the position of the material pressing frame 12 is kept still, and the disc cutter 5 is in contact with the pole piece and cuts off the pole piece; finally, the cam follower 22 rolls along a lifting inclined plane 23 at the right end of the material pressing frame 12, and the material pressing frame 12 moves upwards to the initial position under the action of the elastic force of the return spring 16, so that the pole piece is cut.
In this embodiment, as shown in fig. 5, the power mechanism 7 includes a driving shaft 25 longitudinally fixed to penetrate through the middle of the disc cutter 5, a rear end of the driving shaft 25 is in transmission connection with a motor shaft of a driving motor 26 mounted on the tool holder 4, and the driving motor 26 drives the disc cutter 5 to rotate through the driving shaft 25.
In this embodiment, a flexible material pressing disc 27 for pressing the pole piece is fixedly connected to the rear side of the disc cutter 5 on the driving shaft 25, the front end surface of the flexible material pressing disc 27 is attached to the rear end surface of the disc cutter 5, a shaft end cover 28 is fixedly connected to the front end of the driving shaft 25, and a disc spring 29 is connected between the shaft end cover 28 and the front side surface of the disc cutter 5 in a butting manner. Through setting up belleville spring to the anodal or negative pole material that cut as required are different, and its interlock power accessible belleville spring pretension is adjustable, and belleville spring can effectively absorb the high-speed impact that produces of cutting in-process of disc cutter, makes the blade of disc cutter and the blade in close contact with of straight sword cutter, guarantees to cut quality uniformity.
In this embodiment, running gear 3 is including the parallel walking frame 30 of locating the workstation upside, both ends are connected firmly with workstation 1 through support frame 31 respectively about walking frame 30, and the linear electric motor 32 of horizontal setting is installed to the bottom surface of walking frame 30, linear electric motor 32's removal end and knife rest 4 are connected firmly, and linear electric motor 32's front side is equipped with transverse guide sliding block set 33, transverse guide sliding block set 33's slider and knife rest 4 are connected firmly, and linear electric motor drives the knife rest and is horizontal translation motion along the guide rail in the transverse guide sliding block set.
In this embodiment, the rotation speed of the disc cutter 5 driven by the driving motor 26 is synchronous with the translation speed of the tool rest 4 driven by the linear motor 32, and this control mode prevents bad friction between the disc cutter and the straight-edge cutter during the cutting process, prevents extra cutter abrasion, and cuts a point in the whole cutting process.
In the embodiment, the cutting device also comprises a vacuum dust suction device so as to suck off dust generated in the cutting process.
The width of the pole piece of the power battery is more than 300mm and more than 800mm, and the trend is larger and larger. In the process of automatically preparing the pole piece, the traditional straight knife shearing mode requires very high flatness of a knife edge and straightness of the knife edge, so that a good shearing effect can be achieved; the requirements on the processing technology and the assembly technology are extremely high; meanwhile, vibration and impact generated in the punching process are difficult to eliminate, and adverse effects are generated on the control and stability of equipment; due to the characteristics of the anode and cathode materials of the lithium battery, the anode and cathode cutter dies cannot be used universally, and finally the mode is high in cost and complex in structure; the maintainability is poor and the automatic production conversion is difficult. The utility model has the advantages that (1) the disc cutter has small size and small contact area with the straight edge cutter, thereby reducing the structure cost by about 40 percent and greatly reducing the processing precision requirement and the assembly precision requirement; (2) the shearing action completed by the matching of the autorotation of the disc cutter and the straight-edge cutter has small impact and good smoothness, and the service life of the cutter can be greatly prolonged; (3) due to the fact that the angle of the cutting angle between the disc cutter and the straight-edge cutter is large, cutting quality is improved, and burrs are effectively controlled.
And through the modular design, make the utility model discloses can apply to relevant similar different industries like the photovoltaic industry, realize high-speed, efficient production new construction. The cutter for replacing the cutting edge in the maintainability can achieve the effect of quickly repairing the die, and the anode and the cathode cutting dies can be unified in die manufacturing.
The specific implementation process comprises the following steps: in the initial state, the disc cutter 5 stops at one end of the straight-edge cutter 2, and the cutting edge of the disc cutter 5 is meshed with the cutting edge of the straight-edge cutter 2; when the pole piece is sent to the cutting position with fixed length, the driving motor 26 on the tool rest 4 drives the disc cutter 5 to rotate, meanwhile, the linear motor 32 drives the tool rest 4 to start to move in a translation mode from left to right, and the rotation speed of the disc cutter 5 is synchronous with the moving speed of the tool rest 4; in the moving process of the tool rest 4, the cam follower 22 rolls along the lifting inclined plane 23 at the left end of the material pressing frame 12, and the material pressing frame 12 can lift vertically, so that the cam follower 22 can push the material pressing frame 12 to move downwards, the material pressing plates 13 at the front side and the rear side downwards are matched with the cutter mounting seat 9 (or the cutter pressing seat 8) to press two ends of a pole piece, and the pole piece is prevented from being displaced during subsequent roll cutting; then the cam follower 22 rolls along the pressure maintaining horizontal plane 24, the position of the material pressing frame 12 is kept still, the disk cutter 5 and the flexible material pressing disc 27 are both contacted with the pole piece, the flexible material pressing disc 27 presses the pole piece, and the disk cutter 5 cuts off the pole piece; finally, the cam follower 22 rolls along a lifting inclined plane 23 at the right end of the material pressing frame 12, and the material pressing frame 12 moves upwards to the initial position under the action of the elastic force of the return spring 16, so that the pole piece is cut. After the linear motor 32 drives the disc cutter 5 to cut rapidly, the disc cutter stops at the right end of the straight-edge cutter 2, and when the next cycle starts, the disc cutter 5 cuts the pole piece from the right to the left.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (9)
1. The utility model provides a lithium ion power battery pole piece flies to cut mechanism which characterized in that: the cutting device comprises a workbench, install straight sword cutter on the workstation, the upside of straight sword cutter is equipped with the knife rest along the length direction translation of straight sword cutter by the running gear drive, install the rotatory disc cutter by power unit drive on the knife rest, the blade of disc cutter interlocks mutually with the blade of straight sword cutter.
2. The flying cutting mechanism for the pole piece of the lithium-ion power battery as claimed in claim 1, wherein: material pressing mechanisms are respectively arranged above the front side and the rear side of the straight-blade cutter; and the tool rest is provided with a material pressing driving mechanism for pushing the material pressing mechanism to move downwards and press the pole piece.
3. The flying cutting mechanism for the pole piece of the lithium-ion power battery as claimed in claim 2, wherein: the utility model discloses a cutter, including workstation up end, straight sword cutter, front and back both sides, the front and back both sides of straight sword cutter are equipped with respectively and link firmly pressure blade holder and the cutter mount pad at the workstation up end, the front end of cutter mount pad violently is equipped with the location step that is used for installing straight sword cutter, the rear end face upper end of pressing the blade holder and the leading flank lower extreme looks butt of straight sword cutter to press the straight sword cutter to establish in the location step, the upper end rear portion of pressing the blade holder is equipped with the fillet of stepping down that stretches into in order to do benefit to the lower extreme of disc.
4. The flying cutting mechanism of the pole piece of the lithium-ion power battery as claimed in claim 3, wherein: the upper sides of the blade pressing seat and the cutter mounting seat are respectively provided with a material pressing mechanism, the material pressing mechanism comprises a material pressing frame arranged transversely and a material pressing plate arranged on the lower side of the material pressing frame in parallel, the lower sides of the left and right ends of the material pressing frame are respectively provided with a supporting block fixedly connected to the upper end surface of the workbench, the middle part of the supporting block vertically slides to penetrate through a guide rod A, the upper end of the guide rod A is fixedly connected with the material pressing frame, and a reset spring sleeved on the outer side of the guide rod A is abutted between the material pressing frame and the top surface of the supporting block; vertical through holes are formed in the left end and the right end of the material pressing plate respectively, a guide rod B penetrates through the vertical through holes in a sliding mode, the upper end of the guide rod B is fixedly connected with the material pressing frame, and a plurality of compression springs are abutted between the material pressing frame and the material pressing plate.
5. The flying cutting mechanism for the pole piece of the lithium-ion power battery as claimed in claim 4, wherein: the material pressing driving mechanism comprises two U-shaped frames which are respectively arranged on the upper sides of a cutter mounting seat and a cutter pressing seat, the two U-shaped frames are positioned on the front side and the rear side of the disc cutter, a connecting rod is connected between the left ends and the right ends of the two U-shaped frames, the connecting rod is fixedly connected with a cutter rest, and a cam follower which rolls along the top surface of the cutter pressing frame is arranged in the middle of the lower end of each U-shaped frame.
6. The flying cutting mechanism for the pole piece of the lithium-ion power battery as claimed in claim 5, wherein: the left end and the right end of the material pressing frame are symmetrically provided with lifting inclined planes which are used for being matched with the cam followers in a rolling mode and driving the material pressing frame to lift, and a pressure maintaining horizontal plane which is used for being matched with the cam followers in a rolling mode and keeping the material pressing frame in a downward pressing mode is arranged between the lifting inclined planes at the two ends.
7. The flying cutting mechanism for the pole piece of the lithium-ion power battery as claimed in claim 1, wherein: the power mechanism comprises a driving shaft which is longitudinally and fixedly penetrated through the middle part of the disc cutter, and the rear end of the driving shaft is in transmission connection with a motor shaft of a driving motor arranged on the tool rest.
8. The flying cutting mechanism for the pole piece of the lithium-ion power battery as claimed in claim 7, wherein: the flexible material pressing disc for pressing the pole piece is fixedly connected to the rear side of the disc cutter on the driving shaft, the shaft end cover is fixedly connected to the front end of the driving shaft, and a disc spring is abutted between the shaft end cover and the front side face of the disc cutter.
9. The flying cutting mechanism for the pole piece of the lithium-ion power battery as claimed in claim 1, wherein: the walking mechanism comprises a walking frame which is arranged on the upper side of the workbench in parallel, the left end and the right end of the walking frame are fixedly connected with the workbench through support frames respectively, a linear motor which is transversely arranged is installed on the bottom surface of the walking frame, the moving end of the linear motor is fixedly connected with the knife rest, a transverse guide rail sliding block assembly is arranged on the front side of the linear motor, and a sliding block of the transverse guide rail sliding block assembly is fixedly connected with the knife rest.
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CN201920984379.2U CN210452914U (en) | 2019-06-27 | 2019-06-27 | Flying cutting mechanism for pole piece of lithium ion power battery |
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CN201920984379.2U CN210452914U (en) | 2019-06-27 | 2019-06-27 | Flying cutting mechanism for pole piece of lithium ion power battery |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110202629A (en) * | 2019-06-27 | 2019-09-06 | 宁德领一智能装备有限公司 | A kind of lithium ion power cell pole flakes fly-cutting mechanism and its working method |
WO2022014559A1 (en) * | 2020-07-14 | 2022-01-20 | 株式会社京都製作所 | Electrode cutting device, and device for manufacturing stacked cell |
-
2019
- 2019-06-27 CN CN201920984379.2U patent/CN210452914U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110202629A (en) * | 2019-06-27 | 2019-09-06 | 宁德领一智能装备有限公司 | A kind of lithium ion power cell pole flakes fly-cutting mechanism and its working method |
WO2022014559A1 (en) * | 2020-07-14 | 2022-01-20 | 株式会社京都製作所 | Electrode cutting device, and device for manufacturing stacked cell |
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Effective date of registration: 20200616 Address after: 352100 No. 2 Xingang Road, Zhangwan Town, Jiaocheng District, Ningde City, Fujian Province Patentee after: Contemporary Amperex Technology Co.,Ltd. Address before: 352000 No. 115 Shugang Road, Jiaocheng District, Ningde City, Fujian Province Patentee before: Ningde Linyi Intelligent Equipment Co.,Ltd. |