Reworking device for uneven winding of lithium battery pole roll

Abstract

The utility model relates to the technical field of lithium battery tools, in particular to a reworking device for uneven winding of a lithium battery pole roll. A round roller is erected on the reworking goods shelf, the two ends of the round roller extend out of a supporting frame in the reworking goods shelf, the round roller is inserted into a pole roll winding drum in a penetrating mode, and a plurality of round plates are further arranged on the round roller in a penetrating mode, located at the two ends of the pole roll winding drum respectively and inserted into the pole roll winding drum. Press-fitting clamps are installed at the two ends of the reworking goods shelf correspondingly and used for extruding the circular plates. The problems of difficulty in reworking pole rolls and high scrap cost due to uneven winding of the lithium battery are solved; meanwhile, the method is simple, machining is convenient, the cost is low, the clamp is made of polycarbonate, and impurity pollution cannot be introduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery tooling technical field especially a lithium battery pole roll is not in line with the rework device of winding. BACKGROUND

[0002] At present, in the coating process of lithium ion battery, the slurry is transferred to the current collector, and after baking through the high temperature oven, the pole roll of a certain size and length is collected at the tail of the machine. With the gradually increasing of the winding diameter, the winding taper and tension also increase, and the winding is often not in line due to the change of tension, and the external offset of the pole roll presents a "cannon barrel" shape.

[0003] After the winding is not in line, there are two solutions in the industry:

[0004] ① Purchase a special rewinding mechanism to rework the winding material that is not in line, which consumes a lot of time and labor cost, and the pole roll is easily damaged during the rework process;

[0005] ② The whole part of the winding is scrapped, and the remaining winding is put into use, which leads to the increase of manufacturing cost due to the large number of scrapped parts.

[0006] However, the above two methods cannot effectively handle the winding of lithium battery pole roll in the coating / rolling process, and the rework efficiency is low and the scrap cost is high. SUMMARY

[0007] The technical problem to be solved by the utility model is: in order to solve the problems existing in the prior art in the above background technology, provide a kind of principle simple, it can be quickly reworked in line, also can effectively reduce the rework scrap quantity, practicality strong lithium battery pole roll winding is not in line with the rework device.

[0008] The technical scheme adopted by the utility model to solve its technical problems is: a kind of lithium battery pole roll winding is not in line with the rework device, including rework shelf and pole roll, the middle position of pole roll is placed pole roll reel, the rework shelf is equipped with round roller, and the both ends of round roller are stretched out in rework shelf support frame, round roller is inserted in pole roll reel, and a plurality of round plates are further provided on round roller, and the both ends of pole roll reel are inserted into pole roll reel.

[0009] The both ends of rework shelf are equipped with press-fit clamp, to extrude round plate.

[0010] Further, the round plate includes a round plate body, a round hole is formed in the middle position of the round plate body, and a convex ring extending inward is arranged at the edge of the round hole.

[0011] Further, the round plate body and the convex ring are of split structure or one-piece structure.

[0012] Further, the annular array of locking round holes are arranged on the annular surface of the convex ring.

[0013] Further, the diameter of the convex ring is greater than or equal to the diameter of the winding drum.

[0014] Further, the rod body of the round roller is a smooth rod, and the roller body is provided with a plurality of adjusting round holes matched with the locking round holes in the round plate along the length direction.

[0015] Further, the rod body of the round roller is a threaded pipe, and the inner wall of the convex ring in the round plate is provided with an internal thread part matched with the thread on the round roller.

[0016] Further, the round plate is a polycarbonate material round plate. The cost is low, and new impurities are not introduced, and the performance of the polar roll is not damaged.

[0017] Further, the rework shelf comprises a base, support frames are mounted on opposite sides of the base, an installation area is formed between the two support frames, and a V-shaped mounting opening is arranged on the top surface of each support frame.

[0018] Further, the distance between the support frame and the top surface of the base is greater than the radius of the polar roll.

[0019] The utility model discloses a lithium battery winding is not neat polar roll rework difficult, and the problem of high scrap cost is solved. DRAWINGS

[0020] The utility model will be further explained in connection with the drawings and examples.

[0021] Figure 1 It is the front view of the utility model embodiment 1;

[0022] Figure 2 It is the left view of the utility model embodiment 1;

[0023] Figure 3 It is the perspective view of the utility model embodiment 1;

[0024] Figure 4 It is the structure schematic diagram of the round plate in the utility model embodiment 1;

[0025] Figure 5 It is the structure schematic diagram of the rework shelf in the utility model embodiment 1;

[0026] Figure 6 It is the structure schematic diagram of the round roller in the utility model embodiment 1;

[0027] Figure 7 It is the structure schematic diagram of the polar roll in the utility model embodiment 1;

[0028] Figure 8 This is a schematic structural diagram of the circular plate in Example 2 of the present utility model;

[0029] In the picture: 1. Rework shelf, 11. Base, 12. Support frame, 13. V-shaped mounting hole,

[0030] 2. Circular plate (polycarbonate plate), 21. Circular plate body, 22. Circular hole, 23. Protruding ring, 24. Locking circular hole,

[0031] 3. Round roller, 31. Adjusting round hole,

[0032] 4. Extremely winding reel. DETAILED DESCRIPTION

[0033] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0034] Example 1:

[0035] like Figures 1-7 The device shown is a rework device for uneven winding of lithium battery pole coils, comprising a rework shelf 1 and a pole coil, with a pole coil drum 4 placed in the middle of the pole coil. A round roller 3 is mounted on the rework shelf 1, and both ends of the round roller 3 extend out of the support frame 12 in the rework shelf 1, and the round roller 3 is inserted into the pole coil drum 4. Several circular plates 2 are also penetrated on the round roller 3, which are respectively located at both ends of the pole coil drum 4 and inserted into the pole coil drum 4; pressing fixtures are installed at both ends of the rework shelf 1 to squeeze the circular plates 2.

[0036] Among them, Figure 4 As shown, the circular plate body 21 and the convex ring 23 are separate structures.

[0037] The circular plate 2 is a polycarbonate circular plate, which is low in cost and does not introduce new impurities or damage the pole winding performance.

[0038] The circular plate 2 includes a circular plate body 21 , a circular hole 22 is formed in the middle of the circular plate body 21 , and an inwardly extending protruding ring 23 is formed at the edge of the circular hole 22 .

[0039] like Figure 4 As shown, a plurality of locking circular holes 24 are formed in an annular array on the annular surface of the convex ring 23 .

[0040] The diameter of the protruding ring 23 is greater than or equal to the diameter of the pole winding drum 4 .

[0041] like Figure 6As shown, the shaft of the round roller 3 is a light pole, and the roller body of the round roller 3 is provided with a plurality of adjusting round holes 31 along the length direction, which are matched with the locking round holes 24 in the round plate 2.

[0042] As shown in the drawings, Figure 5 The return work shelf 1 includes a base 11, and support frames 12 are installed on opposite sides of the base 11, and an installation area is formed between the two support frames 12. The top surface of each support frame 12 is provided with a V-shaped mounting opening 13.

[0043] The distance between the support frame 12 and the top surface of the base 11 is greater than the radius of the polar roll.

[0044] Working process:

[0045] The steps are as follows:

[0046] Step 1: Place the polar roll to be returned to work on the return work shelf 1, and insert a round roller 3 into the polar roll drum 4, so that the exposed length of the round roller 3 on both sides of the support frame 12 is basically the same.

[0047] Step 2: Put the convex ring 23 on the round roller 3 and locate it on both sides of the polar roll, and at the same time, insert the convex ring 23 into the polar roll drum 4, and align and lock the locking round hole 24 with the adjusting round hole 31.

[0048] Step 3: After fixing the polar roll, place a round plate 2 made of polycarbonate on both sides, and the thickness of the round plate 2 is 5-10 mm. The clamps (not shown in the figure, which act on the round plate body 21 of the round plate 2) on both sides are simultaneously or separately actuated to push the round plate 2 to synchronously shrink and extrude the roll material, thereby achieving the return work effect.

[0049] Step 4: After the round plate 2 is shrunk to the polar roll, slowly loosen and extrude again. After three times of extrusion-loosening-re-extrusion, measure the polar roll winding arrangement degree, and the qualified standard is ≤1mm.

[0050] As described above, using the round plate, through the simple method of extrusion-loosening-re-extrusion, the polar roll can be quickly shaped, and new impurities are not introduced in the return work process.

[0051] Example 2:

[0052] The difference from example 1 is that, as shown in the drawings, Figure 8 The round plate body 21 and the convex ring 23 are integrally formed.

[0053] Working process:

[0054] Step 1: Place the winding misaligned pole coil to be reworked on the rework shelf 1, insert a round roller 3 into the pole coil winding drum 4, and keep the exposed part of the support frame 12 on both sides consistent in length;

[0055] Step 2: Fit the round plate 2 on the round roller 3 on both sides of the pole coil, and insert the convex ring 23 in the round plate 2 into the pole coil winding drum 4;

[0056] Step 3: The clamps (not shown in the figure, acting on the round plate body 21 of the round plate 2) on both sides act simultaneously or separately, and the round plate 2 is synchronously contracted and extruded by the clamps to achieve the rework effect;

[0057] Step 4: After the round plate 2 is contracted to the pole coil, it is slowly extruded again, and the pole coil is measured after three times of extrusion-loosening-extrusion, and the qualified standard is ≤1mm.

[0058] Example 3:

[0059] The difference from Example 1 is that the stem of the round roller 3 is a threaded pipe, and the inner wall of the convex ring 23 in the round plate 2 is provided with an internal thread part matched with the thread of the round roller 3.

[0060] Working process:

[0061] Step 1: Place the winding misaligned pole coil to be reworked on the rework shelf 1, insert a round roller 3 into the pole coil winding drum 4, and keep the exposed part of the support frame 12 on both sides consistent in length;

[0062] Step 2: Fit the convex ring 23 on the round roller 3 through the internal and external thread cooperation, and locate it on both sides of the pole coil, and then rotate the convex ring 23 into the pole coil winding drum 4 to complete the locking;

[0063] Step 3: After fixing the winding misaligned pole coil, place a round plate 2 made of polycarbonate on both sides, and the thickness of the round plate 2 is 5-10mm. The clamps (not shown in the figure, acting on the round plate body 21 of the round plate 2) on both sides act simultaneously or separately, and the round plate 2 is synchronously contracted and extruded by the clamps to achieve the rework effect;

[0064] Step 4: After the round plate 2 is contracted to the pole coil, it is slowly extruded again, and the pole coil is measured after three times of extrusion-loosening-extrusion, and the qualified standard is ≤1mm.

[0065] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A rework device for uneven winding of lithium battery pole coils, characterized by: The application relates to a rework shelf (1) and a polar roll, wherein a polar roll cylinder (4) is arranged at the middle position of the polar roll, the rework shelf (1) is provided with a round roller (3) arranged on the rework shelf (1), the two ends of the round roller (3) extend out of support frames (12) of the rework shelf (1), the round roller (3) is inserted into the polar roll cylinder (4), and a plurality of round plates (2) are arranged on the round roller (3) and are respectively arranged at the two ends of the polar roll cylinder (4) and inserted into the polar roll cylinder (4). The rework shelf (1) is provided with a press-fit clamp at the two ends, and the press-fit clamp is used for extruding the round plate (2).

2. The device according to claim 1, wherein the device is characterized by: The round plate (2) comprises a round plate body (21), and a round hole (22) is arranged at the middle position of the round plate body (21), and a convex ring (23) extending inward is arranged at the edge of the round hole (22).

3. A device for reworking misaligned lithium battery pole coil according to claim 2, characterized in that: The round plate body (21) and the convex ring (23) are in a split structure or an integral forming structure.

4. The device according to claim 2, wherein the device is characterized by: A plurality of locking round holes (24) are arranged in an annular array on the annular surface of the convex ring (23).

5. The device according to claim 2, wherein: The diameter of the convex ring (23) is greater than or equal to the diameter of the polar roll cylinder (4).

6. The device according to claim 1, wherein: The rod body of the round roller (3) is a light rod, and a plurality of adjusting round holes (31) matched with the locking round holes (24) in the round plate (2) are arranged on the roller body of the round roller (3) along the length direction.

7. A device for reworking misaligned rolls of lithium battery pole coils as claimed in claim 1, wherein: The rod body of the round roller (3) is a threaded pipe, and an inner thread part matched with the thread on the round roller (3) is arranged on the inner wall of the convex ring (23) in the round plate (2).

8. The device according to claim 1, wherein: The round plate (2) is a polycarbonate material round plate.

9. The device according to claim 1, wherein the device is characterized by: The rework shelf (1) comprises a base (11), support frames (12) are arranged at the two opposite sides of the base (11), an installation area is formed between the two support frames (12), and a V-shaped mounting opening (13) is arranged on the top surface of each support frame (12).

10. The device according to claim 1, wherein the device is characterized by: The distance between the support frame (12) and the top surface of the base (11) is greater than the radius of the polar roll.

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