CN205165505U - Die -cut cutting die of lithium - ion battery pole pieces - Google Patents
Die -cut cutting die of lithium - ion battery pole pieces Download PDFInfo
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- CN205165505U CN205165505U CN201520948956.4U CN201520948956U CN205165505U CN 205165505 U CN205165505 U CN 205165505U CN 201520948956 U CN201520948956 U CN 201520948956U CN 205165505 U CN205165505 U CN 205165505U
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- cutter
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Abstract
The utility model provides a die -cut cutting die of lithium - ion battery pole pieces, including template base and perpendicular the setting just be used for carrying out the die -cut cutter unit that dashes to lithium - ion battery pole pieces on the template base, towards cutter unit including the die -cut sword of utmost point ear - topside, the die -cut sword of bottom straight flange and the die -cut sword of side, the die -cut sword of utmost point ear - topside includes the die -cut sword of right top chamfer, the die -cut sword of left top chamfer, the die -cut sword of left top straight flange, the utmost point die -cut sword of ear and the die -cut sword of right top straight flange, a left side die -cut sword of top straight flange and the die -cut sword of right top straight flange are all parallel with the die -cut sword of bottom straight flange, the die -cut sword of left side top straight flange, the die -cut sword of right top straight flange and the die -cut sword of bottom straight flange are all perpendicular with the die -cut sword of side. Use the utility model discloses die -cut cutting die can be realized in succession die -cutly, and there is not the clearance between piece and the piece in the pole piece of die -cut play, can not produce the clearance waste material to improve the utilization ratio of raw and other materials, reduced pole piece material cost.
Description
Technical field
The utility model belongs to die-cut utensil technical field, is specifically related to a kind of lithium battery pole slice punching cutter.
Background technology
In current lithium battery manufacturing process, the making of battery pole piece generally all adopts continuous die-cutting machine or bicker to manufacture, and utilizes pre-designed cutting die to carry out die-cut, obtains the pole piece of size that technique wants and profile.Traditional punching cutter completes pole piece by the mode of die-cutting machine or bicker leapfrog and substrate transport cooperation and produces, and can there is gap between pole piece, and pole piece raw material are to manufacture waste in process serious.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of lithium battery pole slice punching cutter.This punching cutter can realize continuous cutting, and the pole piece punched out does not exist the gap between sheet and sheet, can not produce gap waste material, thus improves raw-material utilization rate, reduces pole piece material cost.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of lithium battery pole slice punching cutter, it is characterized in that, comprise die plate base and to be vertically set on described die plate base and for carrying out single one group of die-cut punching cutter group to lithium battery pole slice, described punching cutter group comprises lug-top margin punching cutter, base punching cutter and side punching cutter;
Described lug-top margin punching cutter comprises the right top chamfer punching cutter from left to right connected successively, left top chamfer punching cutter, left top straight flange punching cutter, lug punching cutter and right top straight flange punching cutter, described base punching cutter comprises the right bottom chamfer punching cutter from left to right connected successively, bottom left chamfering punching cutter and bottom straight flange punching cutter, described left top straight flange punching cutter is all parallel with bottom straight flange punching cutter with right top straight flange punching cutter, described left top straight flange punching cutter, right top straight flange punching cutter is all vertical with side punching cutter with bottom straight flange punching cutter, the length of described lug-top margin punching cutter is equal with the length of base punching cutter, the left end of described left top chamfer punching cutter is parallel with side punching cutter with the line L between bottom left chamfering punching cutter left end, the length of described L is equal with the length of side punching cutter, distance between described L and side punching cutter is 2 times of base punching cutter length.
Above-mentioned a kind of lithium battery pole slice punching cutter, it is characterized in that, the shape of described left top chamfer punching cutter, right top chamfer punching cutter, bottom left chamfering punching cutter and right bottom chamfer punching cutter is circular arc, and the radius of described circular arc is 0.5mm ~ 2.5mm.
Above-mentioned a kind of lithium battery pole slice punching cutter, it is characterized in that, described right top chamfer punching cutter, left top chamfer punching cutter, left top straight flange punching cutter, lug punching cutter and right top straight flange punching cutter are formed in one structure, and described right bottom chamfer punching cutter, bottom left chamfering punching cutter and bottom straight flange punching cutter are formed in one structure.
Above-mentioned a kind of lithium battery pole slice punching cutter, it is characterized in that, the height of described lug punching cutter, left top straight flange punching cutter, right top straight flange punching cutter, left top chamfer punching cutter, right top chamfer punching cutter, bottom straight flange punching cutter, bottom left chamfering punching cutter, right bottom chamfer punching cutter and side punching cutter is 0.7mm ~ 3.0mm, and described height refers to the distance between the sword end of punching cutter and die plate base.
Above-mentioned a kind of lithium battery pole slice punching cutter, is characterized in that, the length of described base punching cutter is 15mm ~ 250mm, and the length of described side punching cutter is 30mm ~ 450mm.
The utility model additionally provides another lithium battery pole slice punching cutter, it is characterized in that, comprise die plate base and to be vertically set on described die plate base and for carrying out double two groups of die-cut punching cutter groups to lithium battery pole slice, often organize described punching cutter group and include lug-top margin punching cutter, base punching cutter and side punching cutter, base punching cutter in punching cutter group described in two groups coincides, lug in punching cutter group described in two groups-top margin punching cutter and side punching cutter all centered by the straight line of punching cutter place, described base line symmetrically lay, side punching cutter in punching cutter group described in two groups is all connected with base punching cutter,
Described lug-top margin punching cutter comprises the right top chamfer punching cutter from left to right connected successively, left top chamfer punching cutter, left top straight flange punching cutter, lug punching cutter and right top straight flange punching cutter, the bottom chamfer punching cutter that described base punching cutter comprises bottom straight flange punching cutter and is arranged on the left of the straight flange punching cutter of bottom, center and the bottom straight flange punching cutter of described bottom chamfer punching cutter are located along the same line, line L' between the left end of left top chamfer punching cutter and the center of bottom chamfer punching cutter is parallel with side punching cutter, distance between described L' and side punching cutter is 2 times of lug-top margin punching cutter length.
Above-mentioned a kind of lithium battery pole slice punching cutter, it is characterized in that, the shape of described left top chamfer punching cutter and right top chamfer punching cutter is circular arc, the radius of described circular arc is 0.5mm ~ 2.5mm, the shape of described bottom chamfer punching cutter is positive rhombus, and the circumradius of described positive rhombus is 0.5mm ~ 2.5mm.
Above-mentioned a kind of lithium battery pole slice punching cutter, it is characterized in that, described right top chamfer punching cutter, left top chamfer punching cutter, left top straight flange punching cutter, lug punching cutter and right top straight flange punching cutter are formed in one structure, and described bottom straight flange punching cutter and side punching cutter are formed in one structure.
Above-mentioned a kind of lithium battery pole slice punching cutter, it is characterized in that, the height of described lug punching cutter, left top straight flange punching cutter, right top straight flange punching cutter, left top chamfer punching cutter, right top chamfer punching cutter, bottom straight flange punching cutter, bottom chamfer punching cutter and side punching cutter is 0.7mm ~ 3.0mm, and described height refers to the distance between the sword end of punching cutter and die plate base.
Above-mentioned a kind of lithium battery pole slice punching cutter, is characterized in that, the length of described lug-top margin punching cutter is 15mm ~ 250mm, and the length of described side punching cutter is 30mm ~ 450mm.
The utility model compared with prior art has the following advantages:
1, lithium battery pole slice punching cutter described in the utility model is loss-free cutting die, when using the utility model cutting die to carry out pole piece production, the distance of each charging of foil just equals the width needing die-cut pole piece, thus ensure that and can not produce gap between die-cut pole piece, so just there is not gap waste of raw materials, achieve raw-material lossless die-cut, improve the utilization rate of material, reduce the material cost that battery is made.
2, lithium battery pole slice punching cutter described in the utility model carries out twice operation, Punching Technology can go out one or two complete pole piece.Foil carries out repeatedly charging, can realize the single or double die-cut of lithium battery pole slice.
3, use the utility model punching cutter to realize continuous cutting, there is not the gap between sheet and sheet in the pole piece punched out, can not produce gap waste material, thus improve raw-material utilization rate, reduces pole piece material cost.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1 lithium battery pole slice punching cutter.
Fig. 2 is the structural representation of the utility model embodiment 2 lithium battery pole slice punching cutter.
Fig. 3 is the structural representation of the utility model embodiment 1 and embodiment 2 lugs-top margin punching cutter.
Fig. 4 is the structural representation of the utility model embodiment 1 base punching cutter.
Fig. 5 is the structural representation of the utility model embodiment 2 base punching cutter.
Description of reference numerals:
1-die plate base; 2-lug-top margin punching cutter; 2-1-lug punching cutter;
2-2-left top straight flange punching cutter; 2-3-right top straight flange punching cutter; 2-4-left top chamfer punching cutter;
2-5-right top chamfer punching cutter; 3-base punching cutter; 3-1-bottom straight flange punching cutter;
3-2-bottom left chamfering punching cutter; 3-3-right bottom chamfer punching cutter; 3-4-bottom chamfer punching cutter;
4-side punching cutter.
Detailed description of the invention
Lithium battery pole slice punching cutter described in the utility model comprises two kinds of detailed description of the invention, is described respectively by embodiment 1 and embodiment 2.
Embodiment 1
As shown in Figure 1, Figure 3 and Figure 4, the present embodiment lithium battery pole slice punching cutter comprises die plate base 1 and to be vertically set on described die plate base 1 and for carrying out single one group of die-cut punching cutter group to lithium battery pole slice, described punching cutter group comprises lug-top margin punching cutter 2, base punching cutter 3 and side punching cutter 4;
Described lug-top margin punching cutter 2 comprises the right top chamfer punching cutter 2-5 from left to right connected successively, left top chamfer punching cutter 2-4, left top straight flange punching cutter 2-2, lug punching cutter 2-1 and right top straight flange punching cutter 2-3, described base punching cutter 3 comprises the right bottom chamfer punching cutter 3-3 from left to right connected successively, bottom left chamfering punching cutter 3-2 and bottom straight flange punching cutter 3-1, described left top straight flange punching cutter 2-2 is all parallel with bottom straight flange punching cutter 3-1 with right top straight flange punching cutter 2-3, described left top straight flange punching cutter 2-2, right top straight flange punching cutter is all vertical with side punching cutter 4 with bottom straight flange punching cutter 3-1, the length of described lug-top margin punching cutter 2 is equal with the length of base punching cutter 3, the left end of described left top chamfer punching cutter 2-4 is parallel with side punching cutter 4 with the line L between bottom left chamfering punching cutter 3-2 left end, the length of described L is equal with the length of side punching cutter 4, distance between described L and side punching cutter 4 is 2 times of base punching cutter 3 length.
In the present embodiment, the shape of described left top chamfer punching cutter 2-4, right top chamfer punching cutter 2-5, bottom left chamfering punching cutter 3-2 and right bottom chamfer punching cutter 3-3 is circular arc, and the radius of described circular arc is 0.5mm ~ 2.5mm.
In the present embodiment, described right top chamfer punching cutter 2-5, left top chamfer punching cutter 2-4, left top straight flange punching cutter 2-2, lug punching cutter 2-1 and right top straight flange punching cutter 2-3 are formed in one structure, and described right bottom chamfer punching cutter 3-3, bottom left chamfering punching cutter 3-2 and bottom straight flange punching cutter 3-1 are formed in one structure.
In the present embodiment, the height of described lug punching cutter 2-1, left top straight flange punching cutter 2-2, right top straight flange punching cutter 2-3, left top chamfer punching cutter 2-4, right top chamfer punching cutter 2-5, bottom straight flange punching cutter 3-1, bottom left chamfering punching cutter 3-2, right bottom chamfer punching cutter 3-3 and side punching cutter 4 is 0.7mm ~ 3.0mm, and described height refers to the distance between the sword end of punching cutter and die plate base 1.
In the present embodiment, the length of described base punching cutter 3 is 15mm ~ 250mm, and the length of described side punching cutter 4 is 30mm ~ 450mm.
The preparation method of the present embodiment lithium battery pole slice punching cutter is: the first step, choose the hard plate material such as plank, PVC board, PET plate, acrylic board, bakelite plate, epoxy plate that thickness is 5mm ~ 30mm as die plate base 1, on die plate base 1, then mill out the dress cutter seam for assembling punching cutter; Second step, sews at the dress cutter that milling is good and installs punching cutter; 3rd step, to the angle of punching cutter with highly adjust, makes the sword end of each punching cutter be positioned in same level; 4th step, all carries out encapsulation to each punching cutter and fixes, make lithium battery pole slice punching cutter.
The present embodiment lithium battery pole slice punching cutter can carry out single die-cut to lithium battery pole slice.Composition graphs 1, Fig. 3 and Fig. 4, utilize lithium battery pole slice punching cutter described in the present embodiment to lithium battery pole slice carry out single die-cut time, foil to be punched after smooth process is placed on a horizontal table, it is die-cut to carry out first time, the top margin of pole piece, base and lug can be punched out, then transverse shifting foil, after displacement is equal with pole piece width, carry out second time die-cut, the side of pole piece can be punched out, therefore, the present embodiment punching cutter carries out twice operation, Punching Technology can go out a complete pole piece.Repeatedly transverse shifting foil, can realize the single die-cut of lithium battery pole slice.Using the die-cut pole piece of the present embodiment punching cutter to there is not gap between sheet and sheet when producing, gap waste material can not be produced, thus improve raw-material utilization rate, reducing pole piece material cost.
Embodiment 2
The present embodiment lithium battery pole slice punching cutter can carry out double die-cut to lithium battery pole slice.
As Fig. 2, shown in Fig. 3 and Fig. 5, the present embodiment lithium battery pole slice punching cutter comprises die plate base 1 and to be vertically set on described die plate base 1 and for carrying out double two groups of die-cut punching cutter groups to lithium battery pole slice, often organize described punching cutter group and include lug-top margin punching cutter 2, base punching cutter 3 and side punching cutter 4, base punching cutter 3 in punching cutter group described in two groups coincides, lug in punching cutter group described in two groups-top margin punching cutter 2 and side punching cutter 4 all centered by the straight line of punching cutter 3 place, described base line symmetrically lay, side punching cutter 4 in punching cutter group described in two groups is all connected with base punching cutter 3,
Described lug-top margin punching cutter 2 comprises the right top chamfer punching cutter 2-5 from left to right connected successively, left top chamfer punching cutter 2-4, left top straight flange punching cutter 2-2, lug punching cutter 2-1 and right top straight flange punching cutter 2-3, described base punching cutter 3 comprises bottom straight flange punching cutter 3-1 and is arranged at the bottom chamfer punching cutter 3-4 on the left of the straight flange punching cutter 3-1 of bottom, center and the bottom straight flange punching cutter 3-1 of described bottom chamfer punching cutter 3-4 are located along the same line, line L' between the left end of left top chamfer punching cutter 2-4 and the center of bottom chamfer punching cutter 3-4 is parallel with side punching cutter 4, distance between described L' and side punching cutter 4 is 2 times of lug-top margin punching cutter 2 length.
In the present embodiment, the shape of described left top chamfer punching cutter 2-4 and right top chamfer punching cutter 2-5 is circular arc, the radius of described circular arc is 0.5mm ~ 2.5mm, and the shape of described bottom chamfer punching cutter 3-4 is positive rhombus, and the circumradius of described positive rhombus is 0.5mm ~ 2.5mm.
In the present embodiment, described right top chamfer punching cutter 2-5, left top chamfer punching cutter 2-4, left top straight flange punching cutter 2-2, lug punching cutter 2-1 and right top straight flange punching cutter 2-3 are formed in one structure, and described bottom straight flange punching cutter 3-1 and side punching cutter 4 are formed in one structure.
In the present embodiment, the height of described lug punching cutter 2-1, left top straight flange punching cutter 2-2, right top straight flange punching cutter 2-3, left top chamfer punching cutter 2-4, right top chamfer punching cutter 2-5, bottom straight flange punching cutter 3-1, bottom chamfer punching cutter 3-4 and side punching cutter 4 is 0.7mm ~ 3.0mm, and described height refers to the distance between the sword end of punching cutter and die plate base 1.
In the present embodiment, the length of described lug-top margin punching cutter 2 is 15mm ~ 250mm, and the length of described side punching cutter 4 is 30mm ~ 450mm.
The preparation method of the present embodiment lithium battery pole slice punching cutter is: the first step, choose the hard plate material such as plank, PVC board, PET plate, acrylic board, bakelite plate, epoxy plate that thickness is 5mm ~ 30mm as die plate base 1, on die plate base 1, then mill out the dress cutter seam for assembling punching cutter; Second step, sews at the dress cutter that milling is good and installs punching cutter; 3rd step, to the angle of punching cutter with highly adjust, makes the sword end of each punching cutter be positioned in same level; 4th step, all carries out encapsulation to each punching cutter and fixes, make lithium battery pole slice punching cutter.
The present embodiment lithium battery pole slice punching cutter can carry out double die-cut to lithium battery pole slice.Composition graphs 2, Fig. 3 and Fig. 5, utilize lithium battery pole slice punching cutter described in the present embodiment to lithium battery pole slice carry out double die-cut time, foil to be punched after smooth process is placed on a horizontal table, it is die-cut to carry out first time, top margin and the lug of two pole pieces can be punched out, or the base of two pole pieces and side, then transverse shifting foil, after displacement is equal with pole piece width, carry out second time die-cut, base and the side of pole piece can be punched out, or the top margin of two pole pieces and lug, therefore, the present embodiment punching cutter carries out twice operation, die-cutly can process two complete pole pieces.Repeatedly transverse shifting foil, can realize the double die-cut of lithium battery pole slice.Using the die-cut pole piece of the present embodiment punching cutter to there is not gap between sheet and sheet when producing, gap waste material can not be produced, thus improve raw-material utilization rate, reducing pole piece material cost.
The above is only preferred embodiment of the present utility model, not imposes any restrictions the utility model.Every above embodiment is done according to utility model technical spirit any simple modification, change and equivalence change, all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a lithium battery pole slice punching cutter, it is characterized in that, comprise die plate base (1) and be vertically set on that described die plate base (1) is upper and for carrying out single one group of die-cut punching cutter group to lithium battery pole slice, described punching cutter group comprises lug-top margin punching cutter (2), base punching cutter (3) and side punching cutter (4);
Described lug-top margin punching cutter (2) comprises the right top chamfer punching cutter (2-5) from left to right connected successively, left top chamfer punching cutter (2-4), left top straight flange punching cutter (2-2), lug punching cutter (2-1) and right top straight flange punching cutter (2-3), described base punching cutter (3) comprises the right bottom chamfer punching cutter (3-3) from left to right connected successively, bottom left chamfering punching cutter (3-2) and bottom straight flange punching cutter (3-1), described left top straight flange punching cutter (2-2) is all parallel with bottom straight flange punching cutter (3-1) with right top straight flange punching cutter (2-3), described left top straight flange punching cutter (2-2), right top straight flange punching cutter and bottom straight flange punching cutter (3-1) are all vertical with side punching cutter (4), the length of described lug-top margin punching cutter (2) is equal with the length of base punching cutter (3), the left end of described left top chamfer punching cutter (2-4) is parallel with side punching cutter (4) with the line L between bottom left chamfering punching cutter (3-2) left end, the length of described L is equal with the length of side punching cutter (4), distance between described L and side punching cutter (4) is 2 times of base punching cutter (3) length.
2. a kind of lithium battery pole slice punching cutter according to claim 1, it is characterized in that, the shape of described left top chamfer punching cutter (2-4), right top chamfer punching cutter (2-5), bottom left chamfering punching cutter (3-2) and right bottom chamfer punching cutter (3-3) is circular arc, and the radius of described circular arc is 0.5mm ~ 2.5mm.
3. a kind of lithium battery pole slice punching cutter according to claim 1, it is characterized in that, described right top chamfer punching cutter (2-5), left top chamfer punching cutter (2-4), left top straight flange punching cutter (2-2), lug punching cutter (2-1) and right top straight flange punching cutter (2-3) are formed in one structure, and described right bottom chamfer punching cutter (3-3), bottom left chamfering punching cutter (3-2) and bottom straight flange punching cutter (3-1) are formed in one structure.
4. a kind of lithium battery pole slice punching cutter according to claim 1, it is characterized in that, described lug punching cutter (2-1), left top straight flange punching cutter (2-2), right top straight flange punching cutter (2-3), left top chamfer punching cutter (2-4), right top chamfer punching cutter (2-5), bottom straight flange punching cutter (3-1), bottom left chamfering punching cutter (3-2), the height of right bottom chamfer punching cutter (3-3) and side punching cutter (4) is 0.7mm ~ 3.0mm, described height refers to the distance between the sword end of punching cutter and die plate base (1).
5. a kind of lithium battery pole slice punching cutter according to claim 1, is characterized in that, the length on described base punching cutter (3) is 15mm ~ 250mm, and the length of described side punching cutter (4) is 30mm ~ 450mm.
6. a lithium battery pole slice punching cutter, it is characterized in that, comprise die plate base (1) and be vertically set on described die plate base (1) upper and for carrying out double two groups of die-cut punching cutter groups to lithium battery pole slice, often organize described punching cutter group and include lug-top margin punching cutter (2), base punching cutter (3) and side punching cutter (4), base punching cutter (3) in punching cutter group described in two groups coincides, lug in punching cutter group described in two groups-top margin punching cutter (2) and side punching cutter (4) all centered by the straight line of punching cutter (3) place, described base line symmetrically lay, side punching cutter (4) in punching cutter group described in two groups is all connected with base punching cutter (3),
Described lug-top margin punching cutter (2) comprises the right top chamfer punching cutter (2-5) from left to right connected successively, left top chamfer punching cutter (2-4), left top straight flange punching cutter (2-2), lug punching cutter (2-1) and right top straight flange punching cutter (2-3), described base punching cutter (3) comprises bottom straight flange punching cutter (3-1) and is arranged at the bottom chamfer punching cutter (3-4) in left side, bottom straight flange punching cutter (3-1), center and bottom straight flange punching cutter (3-1) of described bottom chamfer punching cutter (3-4) are located along the same line, line L' between the left end of left top chamfer punching cutter (2-4) and the center of bottom chamfer punching cutter (3-4) is parallel with side punching cutter (4), distance between described L' and side punching cutter (4) is 2 times of lug-top margin punching cutter (2) length.
7. a kind of lithium battery pole slice punching cutter according to claim 6, it is characterized in that, the shape of described left top chamfer punching cutter (2-4) and right top chamfer punching cutter (2-5) is circular arc, the radius of described circular arc is 0.5mm ~ 2.5mm, the shape of described bottom chamfer punching cutter (3-4) is positive rhombus, and the circumradius of described positive rhombus is 0.5mm ~ 2.5mm.
8. a kind of lithium battery pole slice punching cutter according to claim 6, it is characterized in that, described right top chamfer punching cutter (2-5), left top chamfer punching cutter (2-4), left top straight flange punching cutter (2-2), lug punching cutter (2-1) and right top straight flange punching cutter (2-3) are formed in one structure, and described bottom straight flange punching cutter (3-1) and side punching cutter (4) are formed in one structure.
9. a kind of lithium battery pole slice punching cutter according to claim 6, it is characterized in that, the height of described lug punching cutter (2-1), left top straight flange punching cutter (2-2), right top straight flange punching cutter (2-3), left top chamfer punching cutter (2-4), right top chamfer punching cutter (2-5), bottom straight flange punching cutter (3-1), bottom chamfer punching cutter (3-4) and side punching cutter (4) is 0.7mm ~ 3.0mm, and described height refers to the distance between the sword end of punching cutter and die plate base (1).
10. a kind of lithium battery pole slice punching cutter according to claim 6, is characterized in that, the length of described lug-top margin punching cutter (2) is 15mm ~ 250mm, and the length of described side punching cutter (4) is 30mm ~ 450mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948956.4U CN205165505U (en) | 2015-11-25 | 2015-11-25 | Die -cut cutting die of lithium - ion battery pole pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948956.4U CN205165505U (en) | 2015-11-25 | 2015-11-25 | Die -cut cutting die of lithium - ion battery pole pieces |
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| Publication Number | Publication Date |
|---|---|
| CN205165505U true CN205165505U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520948956.4U Active CN205165505U (en) | 2015-11-25 | 2015-11-25 | Die -cut cutting die of lithium - ion battery pole pieces |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328004A (en) * | 2015-11-25 | 2016-02-17 | 西安瑟福能源科技有限公司 | Lithium battery pole piece punching cutter die |
| CN106827059A (en) * | 2017-03-20 | 2017-06-13 | 力信（江苏）能源科技有限责任公司 | A kind of integrated film-making cutting die of pole piece cross cutting cutting and its flaking method |
-
2015
- 2015-11-25 CN CN201520948956.4U patent/CN205165505U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328004A (en) * | 2015-11-25 | 2016-02-17 | 西安瑟福能源科技有限公司 | Lithium battery pole piece punching cutter die |
| CN106827059A (en) * | 2017-03-20 | 2017-06-13 | 力信（江苏）能源科技有限责任公司 | A kind of integrated film-making cutting die of pole piece cross cutting cutting and its flaking method |
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| GR01 | Patent grant |