CN212011156U - Dislocation winding needle structure of square lithium battery sheet-making winding machine - Google Patents
Dislocation winding needle structure of square lithium battery sheet-making winding machine Download PDFInfo
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- CN212011156U CN212011156U CN202020778881.0U CN202020778881U CN212011156U CN 212011156 U CN212011156 U CN 212011156U CN 202020778881 U CN202020778881 U CN 202020778881U CN 212011156 U CN212011156 U CN 212011156U
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a dislocation book needle structure of square lithium cell film-making winder, including last fixing base, lower fixing base, outer movable needle installation piece, interior movable needle installation piece, outer movable needle, interior movable needle, outer fixed needle, interior fixed needle and book needle spring, interior movable needle installation piece top is equipped with the lug, outer movable needle installation piece below is equipped with down the lug, coil needle spring drive lug stretches out from last fixing base under the normality, coil needle spring drive lug stretches out from lower fixing base down, interior movable needle, interior fixed needle is in the state of opening and is convenient for the diaphragm to penetrate, when the rotation axis needs to rotate and convolutes out electric core, go up lug, lower lug toward the fixing base inboard impress, go up lug, lower lug moving direction is opposite, interior movable needle inwards moves and compresses tightly interior fixed needle and presss from both sides tight diaphragm, the basis inside dimension when outer movable needle outwards moved and opens and keep rolling up electric core, after the coiling finishes, go up the lug, The lower convex block resets the inner movable needle and the inner fixed needle opens and the outer movable needle retracts to facilitate needle drawing, the dislocation rolling needle has reasonable structural design, and has the advantages of convenient diaphragm threading, stable clamping, convenient needle drawing and the like.
Description
Technical Field
The utility model relates to a lithium ion battery manufacture equipment field, concretely relates to needle structure is rolled up in dislocation of square lithium cell film-making winder.
Background
The film-making winder is a mechanical device for manufacturing the lithium ion battery, the lithium ion battery is composed of a positive plate, a negative plate, a diaphragm, a pole ear and the like, the lithium ion battery is divided into a square shape and a cylindrical shape according to the shape, so the film-making winder can be classified into the square film-making winder and the cylindrical film-making winder, among a plurality of components of the film-making winder, a winding needle is one of the most important components, the quality of the structure of the winding needle directly influences the winding and forming of an electric core, the winding needle has two functions, firstly, when the winding station is used, the winding needle is responsible for penetrating the diaphragm, the winding drives a left pole piece and a right pole piece to be wound together to form a naked electric core after the diaphragm is clamped stably, secondly, when the needle is pulled out and the discharging station is used, the existing winding needle is simple in structural design, the risks of scratching the diaphragm when the winding needle is taken out due to unstable closing of the winding needle or poor needle pulling after the electric, the unstable closing of the winding needle and the difficulty in drawing the needle are always the pain points in the industry and the directions of lifting and breaking through of manufacturers of winding machines and equipment.
SUMMERY OF THE UTILITY MODEL
To prior art existence defect, the utility model provides a needle structure is rolled up in dislocation of square lithium cell film-making winder, concrete technical scheme as follows:
a staggered needle winding structure of a square lithium battery sheet winding machine comprises an upper fixing seat, a lower fixing seat, an outer movable needle mounting block, an inner movable needle mounting block, an outer movable needle, an inner movable needle, an outer fixed needle, an inner fixed needle and a needle winding spring, wherein the upper fixing seat and the lower fixing seat are fixedly connected into a whole and are fixedly connected with a rotating shaft of the winding machine, the inner cavity of the upper fixing seat and the lower fixing seat is provided with the outer movable needle mounting block and the inner movable needle mounting block, the outer movable needle mounting block and the inner movable needle mounting block are staggered, the front end of the outer movable needle mounting block is fixedly provided with the outer movable needle, the front end of the inner movable needle mounting block is fixedly provided with the inner movable needle, the outer movable needle covers the inner movable needle, the front end of the lower fixing seat is fixedly provided with the outer fixed needle, the inner fixed needle is fixedly arranged in the outer fixed needle, the upper convex block is arranged above the inner movable needle mounting block, the needle winding spring is arranged between the inner movable, the lower convex block is arranged below the outer moving needle mounting block, a rolling needle spring is mounted between the outer moving needle mounting block and the upper fixing seat, and the rolling needle spring drives the lower convex block to extend out of the lower fixing seat.
As an optimized proposal of the utility model, the ball guide sleeve used for guiding is sleeved in the outer movable needle mounting block and the inner movable needle mounting block.
As an optimized scheme of the utility model, the barrier film of needle elasticity centre gripping electricity core is decided in the outer needle internally mounted shell fragment, shell fragment drive in to the outer needle internally mounted shell fragment.
As an optimized proposal of the utility model, the front end cartridge of the outer movable needle, the outer fixed needle and the inner movable needle is provided with a front support seat of the winding needle.
As an optimal scheme, still include the wrong needle ring subassembly, the wrong needle ring subassembly includes wrong needle ring fixing base, wrong needle ring, the separation blade, cam bearing, linear bearing and guide bar, the fixed suit of wrong needle ring fixing base is in the rotation axis, many guide bars of wrong needle ring fixing base front end installation, guide bar front end installation separation blade, wrong needle ring internally mounted linear bearing, linear bearing suit is in the guide bar, wrong needle ring is located wrong needle ring fixing base, between the separation blade, cam bearing is installed respectively to wrong needle ring upper and lower place, when wrong needle ring moves backward along the guide bar, the camshaft is bearing the epirelief piece and is moved down, the camshaft is bearing the epirelief piece and is moved up under the lower, the needle moves outward, interior needle moves along with it moves.
As an optimized proposal of the utility model, the wrong needle spring is sleeved at the front end of the guide rod and is positioned between the wrong needle ring and the separation blade.
As an optimized proposal of the utility model, a plurality of guide rods are distributed around the equal-angle circumference of the central shaft of the staggered needle ring fixing seat.
As an optimized scheme of the utility model, when the wrong needle ring subassembly was located the coiling station, the coiling driving block was pressing wrong needle ring front end face and is moving backward, when the wrong needle ring subassembly was located the station of unloading of drawing the needle, took the driving block and was pressing wrong needle ring rear end face and is moving forward.
The utility model has the advantages that: under the normal state, the upper lug is driven by the winding needle spring to extend out of the upper fixing seat, the lower lug is driven by the winding needle spring to extend out of the lower fixing seat, the inner movable needle and the inner fixed needle are in a good opening state so that a diaphragm can penetrate into the inner movable needle and the inner fixed needle, when a rotating shaft needs to rotate to wind an electric core, the upper lug and the lower lug are pressed into the inner side of the fixing seat, the moving directions of the upper lug and the lower lug are opposite, the inner movable needle moves inwards to press the inner fixed needle and then clamp the diaphragm, the outer movable needle moves outwards to open the reference inner size when the electric core is rolled, after winding is finished, the upper lug, the lower lug resets the inner movable needle and the inner fixed needle opens and the outer movable needle retracts so that the needle can be conveniently drawn, and the staggered winding needle is reasonable.
Drawings
Fig. 1 is a perspective view of the present invention when a separator is wound;
FIG. 2 is an exploded view of the dislocated needle winding structure of the present invention;
FIG. 3 is a front view of the dislocation needle structure of the present invention when the components are disassembled;
FIG. 4 is a perspective view of the inner movable needle mounting block of the present invention, when the inner movable needle is engaged with the inner movable needle;
FIG. 5 is a sectional view of the structure of the outer movable needle covering the inner movable needle of the present invention;
figure 6 is a perspective view of the split needle ring assembly of the present invention;
figure 7 is an exploded view of the split needle ring assembly of the present invention;
fig. 8 is a schematic structural view showing the upper convex block and the lower convex block extending out when the staggered needle ring of the present invention moves forward;
fig. 9 is a schematic structural view showing the upper convex block and the lower convex block pressed in when the wrong-stitch ring of the present invention moves backward;
fig. 10 is a schematic structural view of the dislocation winding needle structure of the present invention at different stations.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
As shown in figures 1-5, a staggered needle winding structure of a square lithium battery sheet winding machine comprises an upper fixed seat 1, a lower fixed seat 2, an outer movable needle mounting block 3, an inner movable needle mounting block 4, an outer movable needle 5, an inner movable needle 6, an outer fixed needle 7, an inner fixed needle 8 and a needle winding spring 9, wherein the upper fixed seat 1 and the lower fixed seat 2 are fixedly connected into a whole and fixedly connected with a rotating shaft 10 of the winding machine, when the rotating shaft 10 rotates, the upper fixed seat 1 and the lower fixed seat 2 are driven to synchronously rotate a winding battery cell, the inner cavities of the upper fixed seat 1 and the lower fixed seat 2 are provided with the outer movable needle mounting block 3 and the inner movable needle mounting block 4, the outer movable needle mounting block 3 and the inner movable needle mounting block 4 are staggered to avoid the outer movable needle mounting block 3 and the inner movable needle mounting block 4 from generating collision when moving, the front end of the outer movable needle mounting block 3 is fixedly provided with the outer movable needle 5, the front end of the inner movable needle mounting block 4 is fixedly provided with the inner movable needle 6, an outer fixed needle 5 is fixedly arranged at the front end of the lower fixed seat 2, an inner fixed needle 6 is fixedly arranged in the outer fixed needle 5, an upper convex block 41 is arranged above the inner movable needle mounting block 4, a needle rolling spring 9 is arranged between the inner movable needle mounting block 4 and the lower fixed seat 2, a spring plate is arranged in the lower fixed seat 2, one end of the needle rolling spring 9 at the inner movable needle mounting block 4 props against the other end of the spring plate and is inserted into the inner movable needle mounting block 4, therefore, the needle coiling spring 9 at the inner moving needle mounting block 4 drives the upper lug 41 to extend out of the upper fixed seat 1, the lower lug 31 is arranged below the outer moving needle mounting block 3, the needle coiling spring 9 is arranged between the outer moving needle mounting block 3 and the upper fixed seat 1, the spring plate is arranged in the upper fixed seat 1, one end of the needle coiling spring 9 at the outer moving needle mounting block 3 props against the spring plate, the other end is inserted into the outer moving needle mounting block 3, therefore, the needle winding spring 9 at the outer movable needle mounting block 3 drives the lower projection 31 to extend out of the lower fixed seat 2.
Specifically, in order to better guide the position accuracy of the movement of the outer movable needle mounting block 3 and the inner movable needle mounting block 4, ball guide sleeves 10 for guiding are sleeved in the outer movable needle mounting block 3 and the inner movable needle mounting block 4.
Specifically, 5 internally mounted shell fragment 11 of outer fixed needle, shell fragment 11 drives diaphragm 14 of fixed needle elasticity centre gripping electric core in the interior, avoid pressing from both sides too tightly to damage diaphragm 14, in addition, outer movable needle 5, outer fixed needle 7, the preceding supporting seat 12 of interior movable needle 6 front end cartridge book needle, the preceding supporting seat 12 of book needle plays the auxiliary stay, outer movable needle 5, outer fixed needle 7, interior movable needle 6 can stably rotate coiling electric core, and interior movable needle 6 can better keep pressing from both sides tight diaphragm at fixed state, outer movable needle 5 removes the external extension when coiling, outer movable needle 5, the reference inside dimension when outer fixed needle 7 keeps rolling electric core, outer movable needle 5 withdrawal after the coiling, outer movable needle 5 conveniently takes out the needle with the interior circumferential gap grow in electric core.
As shown in fig. 6 and 7, the staggered needle winding structure of the square lithium battery slice winding machine further includes a staggered needle ring assembly 13, the staggered needle ring assembly 13 includes a staggered needle ring fixing seat 131, a staggered needle ring 132, a blocking piece 133, a cam bearing 134, a linear bearing 135 and a guide rod 136, the staggered needle ring fixing seat 131 is fixedly sleeved on the rotating shaft 10, a plurality of guide rods 136 are installed at the front end of the staggered needle ring fixing seat 131, the plurality of guide rods 136 are distributed around the central axis of the staggered needle ring fixing seat at equal angles and circumferentially, the blocking piece 133 is installed at the front end of the guide rod 136, the linear bearing 135 is installed inside the staggered needle ring 132, the linear bearing 135 is sleeved on the guide rod 136, the staggered needle ring 132 is located between the staggered needle ring fixing seat 131 and the blocking piece 133, the staggered needle ring fixing seat 131, the staggered needle ring 132 and the blocking piece 133 are hollow rings, so that when the upper fixing seat 1 and the lower fixing seat 2 are connected, cam bearings 134 are respectively installed above and below the wrong needle ring 132, a wrong needle spring 137 is sleeved at the front end of the guide rod 136, and the wrong needle spring 137 is positioned between the wrong needle ring 132 and the blocking piece 133.
As shown in fig. 8-10, there are 3 stations in the winding needle region of the existing winding machine, namely, winding station a, end-up rubberizing station B, needle-withdrawing unloading station C, the process to be completed by winding station a is to wind the formation of electric core, the process to be completed by end-up rubberizing station B is to close the rubberizing paper to prevent the electric core from scattering, the process to be completed by needle-withdrawing unloading station C is to withdraw the winding needle to lift the electric core off the winding needle region, these 3 stations are 120 degrees, the corresponding process actions are the prior art, the specific action flow is not described, the utility model discloses in need emphasize, after using the dislocation winding needle structure, how the dislocation winding needle structure acts when the corresponding station, when the winding needle and the dislocation needle ring assembly are located at winding station a, because the internal movable needle 6 and the internal fixed needle 8 initial states are always in, the diaphragm firstly penetrates the internal movable needle 6, the internal movable needle 6, Between the interior fixed needle 8, then the coiling drive block 15 is pressing the preceding terminal surface of wrong needle ring and is moving backward, top cam bearing 134 is pressing upper boss 41 and is moving down, lower cam bearing 134 is pressing lower boss 31 and is moving up, interior movable needle 6 moves inwards and compresses tightly interior fixed needle and then presss from both sides tight diaphragm, the benchmark inside dimension when external movable needle 5 moves outwards and opens and keep rolling up electric core, after the electric core of coiling is accomplished, when rolling up the needle, wrong needle ring subassembly rotated to drawing needle discharge station C, take out drive block 16 and press wrong needle ring rear end surface and move forward, upper boss, lower boss reset interior movable needle, interior fixed needle open and conveniently draw the needle.
The above description is provided for the purpose of describing the present invention in more detail with reference to the preferred embodiments, and it should not be construed that the present invention is limited to these descriptions, and it will be apparent to those skilled in the art that the present invention can be implemented in many ways without departing from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a needle structure is rolled up in dislocation of square lithium cell film-making winder which characterized in that: comprises an upper fixed seat, a lower fixed seat, an outer movable needle mounting block, an inner movable needle mounting block, an outer movable needle, an inner movable needle, an outer fixed needle, an inner fixed needle and a needle winding spring, wherein the upper fixed seat and the lower fixed seat are fixedly connected into a whole and are fixedly connected with a rotating shaft of a winding machine, the inner cavities of the upper fixed seat and the lower fixed seat are provided with the outer movable needle mounting block and the inner movable needle mounting block, the outer movable needle mounting block and the inner movable needle mounting block are staggered, the front end of the outer movable needle mounting block is fixedly provided with the outer movable needle, the front end of the inner movable needle mounting block is fixedly provided with the inner movable needle, the outer movable needle covers the inner movable needle, the front end of the lower fixed seat is fixedly provided with the outer fixed needle, the inner fixed needle is fixedly provided with the inner fixed needle, an upper convex block is arranged above the inner movable needle mounting block, the needle winding spring is arranged between the inner movable needle mounting block and the lower fixed seat, the needle winding spring drives the upper convex block to extend out from the, the winding needle spring drives the lower lug to extend out of the lower fixed seat.
2. The staggered winding needle structure of the square lithium battery sheet winding machine according to claim 1, characterized in that: and the ball guide sleeve for guiding is sleeved in the outer movable needle mounting block and the inner movable needle mounting block.
3. The staggered winding needle structure of the square lithium battery sheet winding machine according to claim 1, characterized in that: the outer fixed needle is internally provided with an elastic sheet which drives the inner fixed needle to elastically clamp the isolating membrane of the battery core.
4. The staggered winding needle structure of the square lithium battery sheet winding machine according to claim 1, characterized in that: the front ends of the outer movable needle, the outer fixed needle and the inner movable needle are inserted into a front support seat of the winding needle.
5. The staggered winding needle structure of the square lithium battery sheet winding machine according to claim 1, characterized in that: still include the wrong needle ring subassembly, the wrong needle ring subassembly includes wrong needle ring fixing base, wrong needle ring, the separation blade, cam bearing, linear bearing and guide bar, fixed suit in the rotation axis of wrong needle ring fixing base, many guide bars of wrong needle ring fixing base front end installation, guide bar front end installation separation blade, wrong needle ring internally mounted linear bearing, linear bearing suit is in the guide bar, wrong needle ring is located wrong needle ring fixing base, between the separation blade, cam bearing is installed respectively to wrong needle ring upper and lower side, when wrong needle ring moves backward along the guide bar, the upper cam axle is under pressure the epirelief and is moved down, the lower cam axle is under pressure the epirelief and is moved up, move the needle outward, interior action needle follows with.
6. The staggered winding needle structure of the square lithium battery sheet winding machine according to claim 5, characterized in that: the front end of the guide rod is sleeved with a wrong needle spring, and the wrong needle spring is positioned between the wrong needle ring and the blocking piece.
7. The staggered winding needle structure of the square lithium battery sheet winding machine according to claim 5, characterized in that: the plurality of guide rods are distributed around the central shaft of the staggered needle ring fixing seat at equal angles.
8. The staggered winding needle structure of the square lithium battery sheet winding machine according to claim 5, characterized in that: when the wrong needle ring assembly is positioned at a winding station, the winding driving block presses the front end face of the wrong needle ring to move backwards, and when the wrong needle ring assembly is positioned at a needle drawing and discharging station, the drawing driving block presses the rear end face of the wrong needle ring to move forwards.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020778881.0U CN212011156U (en) | 2020-05-12 | 2020-05-12 | Dislocation winding needle structure of square lithium battery sheet-making winding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020778881.0U CN212011156U (en) | 2020-05-12 | 2020-05-12 | Dislocation winding needle structure of square lithium battery sheet-making winding machine |
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| CN212011156U true CN212011156U (en) | 2020-11-24 |
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| CN202020778881.0U Active CN212011156U (en) | 2020-05-12 | 2020-05-12 | Dislocation winding needle structure of square lithium battery sheet-making winding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477974A (en) * | 2020-05-12 | 2020-07-31 | 东莞泓宇智能装备有限公司 | Staggered winding needle structure of square lithium battery sheet-making winding machine and battery cell winding method thereof |
| CN113328147A (en) * | 2021-04-30 | 2021-08-31 | 大族激光科技产业集团股份有限公司 | Needle winding mechanism |
-
2020
- 2020-05-12 CN CN202020778881.0U patent/CN212011156U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477974A (en) * | 2020-05-12 | 2020-07-31 | 东莞泓宇智能装备有限公司 | Staggered winding needle structure of square lithium battery sheet-making winding machine and battery cell winding method thereof |
| CN111477974B (en) * | 2020-05-12 | 2023-06-13 | 东莞泓宇智能装备有限公司 | Misplacement winding needle structure of sheet-making winding machine and electric core winding method thereof |
| CN113328147A (en) * | 2021-04-30 | 2021-08-31 | 大族激光科技产业集团股份有限公司 | Needle winding mechanism |
| CN113328147B (en) * | 2021-04-30 | 2022-07-05 | 大族激光科技产业集团股份有限公司 | Needle winding mechanism |
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