Calibration device

Abstract

The utility model relates to the technical field of battery production and processing equipment, and discloses a calibration device, which is used for flattening and calibrating a pole lug, has a first direction, a second direction and a third direction which are intersected pairwise, and comprises a passing roller, a first roller, a second roller and a third roller, the smoothing mechanism comprises a fixing seat and a smoothing plate, the fixing seat is fixedly connected with the passing roller, the smoothing plate extends in the first direction, and the smoothing plate and the outer wall face are arranged in a spaced mode in the second direction; the calibration piece is provided with a binding face and a reference face deviating from the binding face, the binding face and the outer wall face are both arc faces, the binding face and the outer wall face are the same in diameter, the binding face is attached to the outer wall face in the second direction, and the reference face makes contact with the smoothing plate in the second direction. When the flattening plate is calibrated, the distance between the flattening plate and the outer wall surface of the passing roller is calibrated by taking the distance between the binding surface of the calibration piece and the reference surface as the reference, so that the distance between the flattening plate and the outer wall surface can be accurately ensured to be consistent, and the flattening effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production and processing equipment technical field, especially a kind of calibration device. BACKGROUND

[0002] Lithium battery industry has good development prospect at home and abroad, and lithium battery and its unique performance advantage have been widely used in portable appliances such as laptop, camcorder, mobile phone, mobile power supply, etc. With the shortage of energy and the pressure of world environmental protection, lithium battery is widely used in electric vehicle industry.

[0003] In the production process of lithium battery, winding process is the key process of battery forming, and winding machine overlaps and winds into battery cell according to the process requirements of battery cell, such as positive plate, negative plate, diaphragm, unwinding, deviation correction, tension control, plate cutting and end. Positive plate and negative plate (hereinafter referred to as plate) are important raw materials in winding process, and there are independent tabs on the plate, the thickness of which is generally 4-12 μm. The tabs are easy to fold when passing through the roller, and the folded tabs will increase the probability of battery short circuit, so a smoothing plate is installed on each roller to assist the smoothing of moving tabs.

[0004] The tab smoothing plate is adjustable, and the distance between the smoothing plate and the roller will affect the smoothing effect of the tab. There are many rollers on the equipment, and personnel cannot guarantee the uniformity of the distance of each smoothing plate, so there is a difference between the distance of the smoothing plate and the roller in actual scene, and the smoothing effect is uneven. If the distance is too far, the smoothing effect cannot be achieved, and if the distance is too close, the tab will be blocked, increasing the probability of tab folding. Utility model content

[0005] The utility model aims at providing a kind of calibration device to solve the problem that the distance between the smoothing plate and the roller in prior art exists difference.

[0006] In order to achieve the above purpose, the utility model provides a kind of calibration device for tab smoothing calibration, the calibration device has first direction, second direction and third direction intersecting with each other, comprising:

[0007] Roller, the roller has outer wall surface;

[0008] Smoothing mechanism, the smoothing mechanism includes fixed seat and smoothing plate fixedly connected with the fixed seat, the fixed seat is fixedly connected with the roller, the smoothing plate extends along the first direction, and the smoothing plate is spaced apart from the outer wall surface along the second direction;

[0009] The calibration piece has a fitting surface and a reference surface away from the fitting surface, the fitting surface and the outer wall surface are both circular arc surfaces, the diameters of the fitting surface and the outer wall surface are the same, the fitting surface is fitted with the outer wall surface along the second direction, and the reference surface is in contact with the smoothing plate along the second direction.

[0010] Preferably, the calibration piece includes a base part and a stacked part detachably connected with the base part, the base part and the stacked part are stacked along the second direction, the fitting surface is arranged on one side of the base part away from the stacked part, and the reference surface is arranged on one side of the stacked part away from the base part.

[0011] Preferably, the stacked part is provided with at least two along the second direction, each of the stacked parts is detachably connected, a first contact surface is arranged on one side of the base part away from the stacked part along the second direction, a second contact surface is arranged on one side of each of the stacked parts away from the base part along the second direction, and one side of each of the stacked parts away from the base part along the second direction is arranged with a second contact surface, the first contact surface is fitted with the second contact surface of the stacked part away from the base part, and the second contact surfaces of the adjacent two stacked parts are fitted with each other.

[0012] Preferably, the first contact surface and the second contact surface are both circular arc surfaces, and the first contact surface and the second contact surface are coaxially arranged with the fitting surface.

[0013] Preferably, the base part includes a handle and a calibration rod fixedly connected with the handle, the stacked part is stacked along the second direction with the calibration rod, and the fitting surface is arranged on one side of the calibration rod away from the stacked part.

[0014] Preferably, the base part further includes a boss fixedly connected with the calibration rod, the boss is arranged at one end of the calibration rod away from the handle, the stacked part includes a stacked rod and a fixed table arranged at both ends of the stacked rod, and the stacked rod is stacked along the second direction with the calibration rod.

[0015] The calibration device further includes magnetic blocks, the boss, the handle and the fixed table are all arranged with the magnetic blocks, and the boss and the fixed table and the handle and the fixed table are magnetically fixed.

[0016] Preferably, the reference surface is a circular arc surface, and the reference surface is coaxially arranged with the fitting surface.

[0017] Preferably, the fixed seat includes a rotating rod and a supporting rod, the rotating rod is fixedly connected with the passing roller, the supporting rod is slidingly connected with the rotating rod along the second direction, the supporting rod extends along the third direction, and the smoothing plate is fixedly connected with the supporting rod.

[0018] Preferably, the rotating rod is provided with an assembling groove extending along the second direction, and the support rod is connected with the rotating rod through a fastening bolt penetrating the assembling groove.

[0019] Preferably, the rotating rod comprises a rod body and a clamp fixedly connected with the rod body, the clamp is fixedly connected with the over roller, the assembling groove is arranged in the rod body, and the support rod is fixedly connected with the rod body.

[0020] Compared with the prior art, the calibration device has the beneficial effects that: the outer wall surface of the over roller is used for conveying the pole piece, the flattening plate of the flattening mechanism is assembled on the over roller through the fixing seat, when the flattening plate is calibrated, the distance between the flattening plate and the outer wall surface of the over roller can be calibrated according to the distance between the abutting surface of the calibration piece and the reference surface of the calibration piece, the distance between the flattening plate and the outer wall surface can be accurately ensured to be consistent, the flattening effect is ensured, and the probability of the pole piece being folded is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the calibration device of the utility model;

[0022] Figure 2 is Figure 1 a structural schematic view of the calibration piece of the calibration device of the utility model;

[0023] Figure 3 is Figure 2 a structural schematic view of the base part of the calibration piece of the utility model;

[0024] Figure 4 is Figure 2 a structural schematic view of the laminated part of the calibration piece of the utility model;

[0025] Figure 5 is a state schematic view of the calibration device of the utility model when the reference surface of the flattening plate and the calibration piece is not abutted;

[0026] Figure 6 is a state schematic view of the calibration device of the utility model when the reference surface of the flattening plate and the calibration piece is abutbed.

[0027] In the figure, 1, roller, 11, outer wall surface, 2, flattening mechanism, 21, fixed seat, 211, rotating rod, 2111, assembly groove, 2112, rod body, 2113, clamp, 212, support rod, 22, flattening plate, 3, calibration piece, 31, fitting surface, 32, reference surface, 33, base part, 331, handle, 332, calibration rod, 333, boss, 34, laminated part, 341, laminated rod, 342, fixed table, 35, first contact surface, 36, second contact surface, 4, magnetic attraction block, 5, fastening bolt, X, first direction, Y, second direction, Z, third direction. DETAILED DESCRIPTION

[0028] The specific embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0029] A preferred embodiment of the calibration device of the utility model is shown in the figure, which is used for lug flattening calibration, and ensures that the distance between the flattening plate 22 and the roller 1 during lug folding and flattening is consistent. Figures 1 to 6

[0030] The calibration device comprises a roller 1, a flattening mechanism 2 and a calibration piece 3, the roller 1 is used to guide the delivery of the pole piece, the flattening mechanism 2 is used to flatten the lug on the pole piece, and the lug is prevented from folding, and the calibration piece 3 is used to position the position of the flattening mechanism 2, and the effect of flattening the lug is ensured. The roller 1 is of a cylindrical structure, the roller 1 has an outer wall surface 11, the outer wall surface 11 is a circular arc surface, the pole piece contacts the outer wall surface 11 of the roller 1, and the pole piece can move on the roller 1.

[0031] The calibration device has a first direction X, a second direction Y and a third direction Z intersecting with each other, in this embodiment, the first direction X, the second direction Y and the third direction Z are perpendicular to each other, wherein the third direction Z is the axial direction of the roller 1, and the first direction X and the second direction Y are two mutually perpendicular radial directions of the roller 1.

[0032] The flattening mechanism 2 comprises a fixed seat 21 and a flattening plate 22, the flattening plate 22 is fixedly connected with the fixed seat 21, the fixed seat 21 is fixedly connected with the roller 1, and the fixed seat 21 is fixedly assembled at one end of the axial direction of the roller 1, so that the flattening plate 22 fixedly connected with the fixed seat 21 is located at the end close to the lug when the pole piece passes around the roller 1. The flattening plate 22 extends along the first direction X, and the flattening plate 22 and the outer wall surface 11 are spaced apart along the second direction Y, that is, the flattening plate 22 and the outer wall surface 11 of the roller 1 have a spacing, the direction of the spacing is perpendicular to the extension direction of the flattening plate 22, the pole piece passes through the spacing between the flattening plate 22 and the roller 1 when walking, and the flattening plate 22 can flatten the raised lug to prevent the lug from turning outward.

[0033] ​The calibration piece 3 has a fitting surface 31 and a reference surface 32, the fitting surface 31 and the reference surface 32 are arranged away from each other, the fitting surface 31 is a circular arc surface like the outer wall surface 11, and the fitting surface 31 has the same diameter as the outer wall surface 11. When the calibration piece 3 calibrates the distance between the smoothing plate 22 and the outer wall surface 11 of the passing roller 1, the fitting surface 31 is fitted with the outer wall surface 11 of the passing roller 1 along the second direction Y, and the reference surface 32 is in contact with the smoothing plate 22 along the second direction Y. Since the fitting surface 31 has the same diameter as the outer wall surface 11, the fitting surface 31 can be completely fitted with the outer wall surface 11 of the passing roller 1 without any gap. At this time, the distance between the fitting surface 31 and the reference surface 32 is the distance between the smoothing plate 22 and the outer wall surface 11, so that the distance between the outer wall surface 11 of each passing roller 1 and the smoothing plate 22 can be kept consistent.

[0034] The outer wall surface 11 of the passing roller 1 of the calibration device is used to convey the pole piece, and the smoothing plate 22 of the smoothing mechanism 2 is assembled on the passing roller 1 through the fixing seat 21. When the smoothing plate 22 is calibrated, since the fitting surface 31 has the same diameter as the outer wall surface 11, the fitting surface 31 of the calibration piece 3 can be tightly fitted with the outer wall surface 11 of the passing roller 1 along the second direction Y. Then, the smoothing plate 22 is in contact with the reference surface 32 of the calibration piece 3 along the second direction Y. The distance between the fitting surface 31 and the reference surface 32 of the calibration piece 3 is used as the reference to calibrate the distance between the smoothing plate 22 and the outer wall surface 11 of the passing roller 1. The distance between the smoothing plate 22 and the outer wall surface 11 can be accurately ensured to be consistent, the smoothing effect can be ensured, and the probability of the pole piece being folded can be reduced.

[0035] Preferably, the calibration piece 3 comprises a base part 33 and a laminated part 34 detachably connected with the base part 33, the base part 33 and the laminated part 34 are arranged in layers along the second direction Y, the fitting surface 31 is arranged on the side of the base part 33 away from the laminated part 34, and the reference surface 32 is arranged on the side of the laminated part 34 away from the base part 33.

[0036] The calibration piece 3 is formed by the detachably connected base part 33 and the laminated part 34, the base part 33 and the laminated part 34 are arranged in layers along the second direction Y, and the distance between the fitting surface 31 and the reference surface 32 can be changed by changing the thickness of the base part 33 and the laminated part 34, so that the calibration piece 3 can be used for calibrating and positioning the smoothing plate 22 with different distances. In other embodiments, the calibration piece 3 can omit the laminated part 34 and only include the base part 33, and the fitting surface 31 and the reference surface 32 are both arranged on the base part 33 and away from each other.

[0037] Preferably, the laminated portions 34 are arranged in at least two layers along the second direction Y, and are detachably connected between each other. The base portion 33 is provided with a first contact surface 35 on a side thereof facing the laminated portions 34 along the second direction Y. The laminated portions 34 are provided with a second contact surface 36 on a side thereof facing the base portion 33 and on a side thereof facing each other. The first contact surface 35 and the second contact surface 36 of the laminated portion 34 facing the base portion 33 are attached to each other. The second contact surfaces 36 of the adjacent laminated portions 34 are attached to each other.

[0038] The laminated portions 34 are arranged in at least two layers along the second direction Y, and are attached to each other by the second contact surfaces 36. The base portion 33 and the laminated portions 34 are attached to each other by the first contact surface 35 and the second contact surface 36, so that there is no gap between the base portion 33 and each laminated portion 34. The distance between the reference surface 32 and the attached surface 31 is equal to the distance between the smoothing plate 22 and the outer wall surface 11 of the roller 1.

[0039] Since each laminated portion 34 is detachably connected, the distance between the attached surface 31 and the reference surface 32 can be changed by adjusting the number of laminated portions 34, so as to adapt to different sizes between the smoothing plate 22 and the outer wall surface 11. In the embodiment, the thickness of the base portion 33 along the second direction Y is 1 mm, and the thickness of each laminated portion 34 along the second direction Y is 0.5 mm.

[0040] Preferably, the first contact surface 35 and the second contact surface 36 are both arc surfaces, and are coaxially arranged with the attached surface 31.

[0041] The first contact surface 35 and the second contact surface 36 are both arc surfaces, and are coaxially arranged with the attached surface 31. The contact area of the arc surface is large, so as to increase the close attachment between the laminated portions 34 and the base portion 33.

[0042] Preferably, the base portion 33 comprises a handle 331 and a calibration rod 332 fixedly connected with the handle 331. The laminated portions 34 are arranged in layers along the second direction Y, and the attached surface 31 is arranged on a side of the calibration rod 332 away from the laminated portions 34.

[0043] The base portion 33 is formed by the handle 331 and the calibration rod 332, and the attached surface 31 is arranged on the calibration rod 332. When calibrating the smoothing plate 22, an operator holds the handle 331 to attach the calibration rod 332 to the outer wall surface 11 of the roller 1, so as to facilitate the operator to calibrate the smoothing plate 22.

[0044] Preferably, the base part 33 further comprises a boss 333 fixedly connected with the calibration rod 332, the boss 333 is arranged at one end of the calibration rod 332 away from the handle 331, the stacking part 34 comprises a stacking rod 341 and a fixed table 342 arranged at both ends of the stacking rod 341, the stacking rod 341 is arranged in a stacking manner with the calibration rod 332 along the second direction Y; the calibration device further comprises magnetic attraction blocks 4, the boss 333, the handle 331 and the fixed table 342 are all provided with the magnetic attraction blocks 4, and the boss 333 and the fixed table 342 and the handle 331 and the fixed table 342 are magnetically attracted and fixed.

[0045] The boss 333 of the base part 33 and the fixed table 342 of the stacking part 34 are magnetically attracted and fixed through the magnetic attraction blocks 4, which can not only ensure that the stacking part 34 and the base part 33 are close to each other and are attached to each other, but also facilitate disassembly of the stacking part 34 and the base part 33 after calibration is completed, and also facilitate adjustment of the number of the stacking part 34 when needed, the stacking part 34 can be continuously accumulated and fixed, and different size requirements can be met.

[0046] Preferably, the reference surface 32 is a circular arc surface, and the reference surface 32 is coaxially arranged with the attachment surface 31.

[0047] The reference surface 32 is also a circular arc surface, and is coaxially arranged with the attachment surface 31, when the attachment surface 31 is attached to the outer wall surface 11 of the roller 1, even if the handle 331 is deflected around the center of the roller 1 to change the angle of the angle reference surface 32, the contact point between the smoothing plate 22 and the reference surface 32 changes, and the distance between the smoothing plate 22 and the attachment surface 31 is always unchanged, so that the distance between the smoothing plate 22 and the outer wall surface 11 of the roller 1 after calibration is consistent on different rollers 1, and ear folding is avoided.

[0048] Preferably, the fixed seat 21 comprises a rotating rod 211 and a supporting rod 212, the rotating rod 211 is fixedly connected with the roller 1, the supporting rod 212 is slidingly connected with the rotating rod 211 along the second direction Y, the supporting rod 212 extends along the third direction Z, and the smoothing plate 22 is fixedly connected with the supporting rod 212.

[0049] When the supporting rod 212 slides on the rotating rod 211 along the second direction Y, the smoothing plate 22 can be driven to move synchronously, the distance between the smoothing plate 22 and the rotating rod 211 in the second direction Y is adjusted, and the distance between the smoothing plate 22 and the outer wall surface 11 of the roller 1 is also adjusted.

[0050] Preferably, the rotating rod 211 is provided with an assembly groove 2111 extending along the second direction Y, the supporting rod 212 and the rotating rod 211 are connected through a fastening bolt 5, and the fastening bolt 5 is arranged in the assembly groove 2111.

[0051] The support rod 212 can slide on the rotating rod 211 in the second direction Y by means of the fastening bolt 5 and the assembly groove 2111, changing the position of the support rod 212 and the flattening plate 22 in the second direction Y. The fastening bolt 5 and the assembly groove 2111 simplify the assembly and distance adjustment mode between the rotating rod 211 and the support rod 212, and simplify the structure of the fixing seat 21.

[0052] Preferably, the rotating rod 211 comprises a rod body 2112 and a clamp 2113 fixedly connected with the rod body 2112, the clamp 2113 is fixedly connected with the over roller 1, the assembly groove 2111 is arranged on the rod body 2112, and the support rod 212 is fixedly connected with the rod body 2112.

[0053] The clamp 2113 of the rotating rod 211 is fixedly adjusted with the over roller 1, the angle of the rod body 2112 can be changed by adjusting the fixed angle of the clamp 2113, and then the angle of the support rod 212 and the flattening plate 22 is changed, which is suitable for the assembly requirement of the flattening plate 22 when the pole piece on the over roller 1 is conveyed in different directions.

[0054] In conclusion, the calibration device provided by the embodiment of the present application comprises an over roller for conveying a pole piece, and a flattening plate of a flattening mechanism is assembled on the over roller through a fixing seat. When the flattening plate is calibrated, the diameter of the abutting surface is the same as that of the outer wall surface, the abutting surface of the calibration piece is tightly abutted with the outer wall surface of the over roller in the second direction, then the flattening plate is contacted with the reference surface of the calibration piece in the second direction, the distance between the abutting surface and the reference surface of the calibration piece is used as a reference to calibrate the distance between the flattening plate and the outer wall surface of the over roller, the distance between the flattening plate and the outer wall surface can be accurately ensured to be consistent, the flattening effect is ensured, and the probability of the pole piece being folded is reduced.

[0055] The above only describes the preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and replacements can be made, and these improvements and replacements should also be regarded as the protection scope of the present application.

Claims

1. A calibration device for tab flattening calibration, characterized by, The calibration device has a first direction, a second direction and a third direction intersecting with each other, comprising: A passing roller, the passing roller has an outer wall surface; A smoothing mechanism, the smoothing mechanism comprises a fixed seat and a smoothing plate fixedly connected with the fixed seat, the fixed seat is fixedly connected with the passing roller, the smoothing plate extends along the first direction, and the smoothing plate is arranged in the second direction away from the outer wall surface; A calibration piece, the calibration piece has a fitting surface and a reference surface away from the fitting surface, the fitting surface and the outer wall surface are both circular arc surfaces, the diameters of the fitting surface and the outer wall surface are the same, the fitting surface is fitted with the outer wall surface along the second direction, and the reference surface is in contact with the smoothing plate along the second direction.

2. The calibration device of claim 1, wherein, The calibration piece comprises a base part and a laminated part detachably connected with the base part, the base part and the laminated part are arranged in the second direction in a laminated mode, the fitting surface is arranged on one side of the base part away from the laminated part, and the reference surface is arranged on one side of the laminated part away from the base part.

3. The calibration device of claim 2, wherein, The laminated part is arranged in the second direction in a laminated mode and has at least two, the laminated parts are detachably connected with each other, the base part is provided with a first contact surface on one side thereof facing the laminated part along the second direction, the laminated parts are provided with second contact surfaces on mutually close sides thereof and on one side thereof facing the base part, the first contact surface is fitted with the second contact surface of the laminated part close to the base part, and the second contact surfaces of the laminated parts are fitted with each other.

4. The calibration device of claim 3, wherein, The first contact surface and the second contact surface are both circular arc surfaces, and the first contact surface, the second contact surface and the fitting surface are coaxially arranged.

5. The calibration device of claim 3, wherein, The base part comprises a handle and a calibration rod fixedly connected with the handle, the laminated part is arranged in the second direction in a laminated mode with the calibration rod, and the fitting surface is arranged on one side of the calibration rod away from the laminated part.

6. The calibration device of claim 5, wherein, The base part further comprises a boss fixedly connected with the calibration rod, the boss is arranged on one end of the calibration rod away from the handle, the laminated part comprises a laminated rod and a fixed table arranged at two ends of the laminated rod, and the laminated rod is arranged in the second direction in a laminated mode with the calibration rod. The calibration device further comprises magnetic blocks, the magnetic blocks are arranged on the boss, the handle and the fixed table, and the boss and the fixed table and the handle and the fixed table are magnetically fixed.

7. The calibration device according to any one of claims 1 to 6, characterized in that The reference surface is a circular arc surface, and the reference surface is coaxially arranged with the fitting surface.

8. The calibration device according to any one of claims 1 to 6, characterized in that The fixed seat comprises a rotating rod and a supporting rod, the rotating rod is fixedly connected with the passing roller, the supporting rod is slidingly connected with the rotating rod along the second direction, the supporting rod extends along the third direction, and the smoothing plate is fixedly connected with the supporting rod.

9. The calibration device of claim 8, wherein, The rotating rod is provided with an assembly groove extending along the second direction, the supporting rod and the rotating rod are connected through fastening bolts, and the fastening bolts are arranged in the assembly groove.

10. The calibration device of claim 9, wherein, The rotating rod comprises a rod body and a clasp fixedly connected with the rod body, the clasp is fixedly connected with the roller, the assembling groove is arranged on the rod body, and the supporting rod is fixedly connected with the rod body.

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