Leveling device for battery piece

Abstract

The utility model relates to the technical field of battery piece testing, and particularly provides a flattening device of a battery piece. The problems that an existing battery piece flattening mode is high in cost, and battery pieces are abraded are solved. The flattening device for the battery piece comprises a fixed support, a first adsorption assembly, a movable support and a second adsorption assembly, and the first adsorption assembly is arranged on the fixed support and used for adsorbing the first end of the battery piece; the movable bracket is movably arranged on the fixed bracket; the second adsorption assembly is arranged on the movable bracket and is used for adsorbing the second end of the battery piece; when the movable bracket moves outwards relative to the fixed bracket, the first adsorption assembly and the second adsorption assembly are matched to flatten the battery piece; the battery piece is fixed in a suction mode, it can be guaranteed that the battery piece is not damaged, in addition, the battery piece is flattened in a flattening mode, and it can be guaranteed that the battery piece can be effectively tested.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery piece test technical field, specifically provide a kind of battery piece's flattening device. BACKGROUND

[0002] When BC battery piece enters sorting tester and sorts, battery piece is slightly curved, and its front surface will be slightly concave down, and the slight deformation is caused by the difference between the front surface and the back surface of BC battery.The back surface of BC battery is printed with grid line, and the probe tip needs to align the soldering point on the grid line of battery piece during performance test, and all probe tips are in a plane, and due to the unevenness of battery piece, when battery piece is placed on probe, the probe tip cannot press the soldering point on battery piece.

[0003] In order to make battery piece flat, so as to carry out effective test.The existing scheme is to place a transparent glass plate above the probe, and the battery piece is clamped between the glass plate and the probe, so that the battery piece is flat, and the tip of each probe is just against the soldering point on the battery piece.

[0004] However, after a period of use, the glass plate will gradually wear out, and the worn glass plate will scratch the surface of the battery piece, so when the glass plate is seriously worn, the glass plate needs to be replaced.In addition, since the light emitted during IV performance test needs to pass through the glass plate to irradiate on the battery piece, and the camera needs to pass through the glass plate to capture the electroluminescent image of the battery piece during EL test, the glass plate requires high light transmittance.The probe presses against the glass plate, and the glass plate cannot be broken under stress, so the quality requirement is high.The glass plate is a special glass plate, and the cost of replacing the glass plate is high.

[0005] Therefore, a battery piece flattening device is needed to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the above technical problems, i.e., solving the problem of high cost and wear of battery piece in the existing battery piece flattening method.

[0007] In the first aspect, the utility model provides a kind of battery piece's flattening device, the flattening device includes:

[0008] Fixed support,

[0009] First adsorption component, it is set on the fixed support, for the first end of the battery piece is inhaled;

[0010] Movable support, it is movably set on the fixed support;

[0011] Second adsorption component, it is set on the movable support, for the second end of the battery piece is inhaled;

[0012] When the moving support moves outward relative to the fixed support, the first and second suction assemblies cooperate to flatten the battery piece.

[0013] In the embodiment of the battery piece flattening device, the first suction assembly includes a plurality of vacuum suction cups arranged along the width direction of the first end of the battery piece.

[0014] In the embodiment of the battery piece flattening device, the second suction assembly includes a plurality of vacuum suction cups arranged along the width direction of the second end of the battery piece.

[0015] In the embodiment of the battery piece flattening device, the vacuum suction cup is provided with a flexible sealing ring.

[0016] In the embodiment of the battery piece flattening device, one of the moving support and the fixed support is provided with a sliding rod, and the other is provided with a sliding hole matched with the sliding rod, and the sliding rod is arranged in the sliding hole.

[0017] In the embodiment of the battery piece flattening device, the flattening device further includes a driving assembly in transmission connection with the moving support, for driving the moving support to move, so that the second suction assembly is close to or away from the first suction assembly.

[0018] In the embodiment of the battery piece flattening device, the driving assembly includes a driving motor, a lead screw and a lead screw nut arranged at the output end of the driving motor, the lead screw is in threaded connection with the lead screw nut, one of the driving motor and the lead screw nut is arranged on the fixed support, and the other is arranged on the moving support.

[0019] In the embodiment of the battery piece flattening device, the fixed support includes a first support and a second support, the moving support is arranged between the first support and the second support, the driving motor is arranged on the first support, and the lead screw is in rotational connection with the second support at the end away from the driving motor.

[0020] In the embodiment of the battery piece flattening device, the driving motor is a servo motor or a stepping motor.

[0021] In the embodiment of the battery piece flattening device, the driving assembly includes a linear drive arranged on the fixed support, and the output end of the linear drive is arranged on the moving support.

[0022] In the technical scheme, the flattening device for battery piece comprises a fixing support, a first adsorption assembly, a moving support and a second adsorption assembly, the first adsorption assembly is arranged on the fixing support and used for adsorbing the first end of the battery piece, the moving support is movably arranged on the fixing support, the second adsorption assembly is arranged on the moving support and used for adsorbing the second end of the battery piece, and the first adsorption assembly and the second adsorption assembly cooperate to flatten the battery piece when the moving support moves outward relative to the fixing support. The battery piece is fixed by adsorption, so that the battery piece is not damaged, and the battery piece is flattened by flattening, so that the battery piece can be effectively tested.

[0023] In addition, the flexible sealing ring is arranged on the vacuum chuck, so that the vacuum chuck and the battery piece are in flexible contact, the battery piece is not abraded, and the battery piece is not damaged.

[0024] Furthermore, the driving motor is a servo motor, so that the flattening device can be applied to battery pieces of different processes and different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0025] The preferred embodiments of the present application will be described below with reference to the drawings, in which:

[0026] Figure 1 is a structure diagram of the flattening device for battery piece provided by the present application Figure One ;

[0027] Figure 2 is a structure diagram of the flattening device for battery piece provided by the present application Figure Two ;

[0028] Figure 3 is a structure diagram of the flattening device for battery piece provided by the present application Figure Three .

[0029] LIST OF REFERENCE NUMERALS: 11, support plate; 12, bearing; 13, screw rod; 15, flexible sealing ring; 16, shaft coupling; 18, first adsorption assembly; 19, second adsorption assembly; 21, driving motor; 31, sliding rod; 32, first support frame; 34, moving support; 35, second support frame. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present application will be described below with reference to the drawings, in which:

[0031] It should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the direction or positional relationship of the terms based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0032] In addition, it should be noted that in the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] In order to solve the problem of high cost and wear of battery pieces in the existing battery piece flattening method.

[0034] As shown in Figures 1-3 The utility model discloses a battery piece's flattening device, it includes fixed support, first adsorption subassembly 18, mobile support 34, second adsorption subassembly 19 and drive assembly.

[0035] The fixed support specifically includes first support and second support 35, and the first support and the second support 35 are arranged at intervals, and the mobile support 34 is movably arranged between the first support and the second support 35.

[0036] The first adsorption subassembly 18 is arranged on the fixed support and is used for sucking the first end of the battery piece (including but not limited to BC battery piece);Specifically, the first adsorption subassembly 18 includes a plurality of vacuum suction cups arranged along the width direction of the first end of the battery piece, that is, a plurality of vacuum suction cups are arranged at intervals in the width direction of the first support. In the embodiment, the number of vacuum suction cups of the first adsorption subassembly 18 is three. Regarding the number of vacuum suction cups, it should be noted that although it is specifically three in the embodiment, this is not a limitation of the utility model, and in other embodiments, according to the width of the battery piece, it can be four or more, which can all realize the suction and fixation of the first end of the battery piece, which does not deviate from the basic principle of the utility model and falls within the protection scope of the utility model.

[0037] The second adsorption assembly 19 is arranged on the moving support 34 and is used for sucking the second end of the battery piece. Specifically, the second adsorption assembly 19 comprises a plurality of vacuum suction cups arranged along the width direction of the second end of the battery piece. That is, the plurality of vacuum suction cups are arranged at intervals in the width direction of the moving support 34. In the embodiment, the number of the vacuum suction cups in the second adsorption assembly 19 is three. It should be noted that, although the number of the vacuum suction cups is three in the embodiment, this is not a limitation of the utility model, and in other embodiments, the number of the vacuum suction cups can be four or more according to the width of the battery piece, and all of them can realize the suction and fixation of the second end of the battery piece, which does not deviate from the basic principle of the utility model and falls within the protection scope of the utility model.

[0038] The flexible sealing ring 15 is arranged on the vacuum suction cup, wherein the flexible sealing ring 15 can ensure that the vacuum suction cup is in flexible contact with the battery piece and will not abrade the battery piece, and can ensure the integrity of the battery piece. Specifically, the flexible sealing ring 15 is a rubber ring in the embodiment. It should be noted that, although the flexible sealing ring 15 is a rubber ring in the embodiment, this is not a limitation of the utility model, and in other embodiments, the flexible sealing ring 15 can also be a silica gel ring, which can all play the function of protecting the battery piece and not abrading the battery piece, which does not deviate from the basic principle of the utility model and falls within the protection scope of the utility model.

[0039] The vacuum suction cup is connected to the vacuumizing device, the vacuumizing device can vacuumize the vacuum suction cup, and the vacuum suction cup can suck the battery piece, so that the moving support 34 can drive the battery piece to move and then perform the flattening operation.

[0040] When the moving support 34 moves outward relative to the fixed support, the first adsorption assembly 18 and the second adsorption assembly 19 cooperate to flatten the battery piece. Specifically, when the moving support 34 moves outward relative to the first support, the first adsorption assembly 18 and the second adsorption assembly 19 cooperate to flatten the battery piece.

[0041] The moving support 34 and the fixed support, one of which is provided with a sliding rod 31, and the other is provided with a sliding hole matched with the sliding rod 31, and the sliding rod 31 is arranged in the sliding hole. Specifically, the sliding rod 31 is arranged on the fixed support, and more specifically, the two ends of the sliding rod 31 are fixed on the first support and the second support 35 respectively, and the sliding rod 31 is arranged in the sliding hole of the moving support 34 between the first support and the second support 35.

[0042] The driving assembly is in transmission connection with the moving support 34, and is used for driving the moving support 34 to move, so that the second adsorption assembly 19 moves close to or away from the first adsorption assembly 18. When the second adsorption assembly 19 moves close to the first adsorption assembly 18, the moving support 34 can be reset, so as to place the next battery piece; when the second adsorption assembly 19 moves away from the first adsorption assembly 18, the battery piece can be stretched outward, so as to flatten the battery piece.

[0043] The driving assembly comprises a driving motor 21, a lead screw 13 arranged at an output end of the driving motor 21 and a lead screw nut, the lead screw 13 is in threaded connection with the lead screw nut, one of the driving motor 21 and the lead screw nut is arranged on the fixed support, and the other is arranged on the moving support 34. Specifically, the driving motor 21 is arranged on the first support, and is fixed on a side of the first support away from the moving support 34, and an output shaft of the driving motor 21 is arranged through the first support. The output shaft and the lead screw 13 are connected through the shaft coupling 16. It needs to be explained that the connection mode between the output shaft and the lead screw 13 is that, although the two are connected through the shaft coupling 16 in the embodiment, this is not a limitation of the utility model, and within the principle of the utility model, a person skilled in the art can select threaded connection between the output shaft and the lead screw 13, and the output shaft and the lead screw 13 are fixed through the pin shaft; or the lead screw 13 is integrally formed with the output shaft, which does not deviate from the basic principle of the utility model, and falls within the protection scope of the utility model.

[0044] The lead screw 13 and the sliding rod 31 are respectively located at two ends in the width direction of the moving support, so that there is no structural member under the battery piece, and the battery piece can be sorted and tested.

[0045] The lead screw nut is fixed on the moving support 34 through the positioning hole and the two side limiting pieces, or the lead screw nut is in interference fit with the positioning hole of the moving support 34. The specific fixing mode is not limited in the embodiment, as long as the lead screw nut can be fixed on the moving support 34.

[0046] The lead screw 13 is in rotational connection with the second support 35 at an end away from the driving motor 21, and the two are in transmission connection through the bearing 12. The second support 35 is provided with a support plate 11, and the bearing 12 is arranged on the support plate 11.

[0047] It needs to be explained that the fixed position of the driving motor 21 is fixed on the first support in the embodiment, but this is not a limitation of the utility model, and the driving motor 21 can be arranged on the second support 35 and the other end of the lead screw 13 is rotatably connected with the first support in other embodiments without departing from the principle of the utility model, or the driving motor 21 is arranged on the moving support 34 and the screw nut is arranged on the first support. This can all realize that the driving motor 21 drives the lead screw 13 to rotate and then drives the moving support 34 to move. This does not deviate from the basic principle of the utility model and falls within the protection scope of the utility model.

[0048] The driving motor 21 is specifically a servo motor or a stepping motor; the operation parameters of the servo motor can be adjusted according to the specific size and parameters of the battery piece, so as to control the moving distance of the moving support 34, and the flattening device can adapt to the battery pieces formed by various processes and battery pieces of different sizes.

[0049] It needs to be explained that the driving assembly adopts the mode that the driving motor 21 cooperates with the lead screw 13 to drive the moving support 34 to move in the embodiment, but this is not a limitation of the utility model, and the driving assembly can include a linear driving member arranged on the fixed support and the output end of the linear driving member arranged on the moving support 34 in other embodiments without departing from the principle of the utility model. The linear driving member is specifically an electric cylinder, the controllable precision of the electric cylinder is relatively high, the force required for driving the moving support 34 is not very large, and the electric cylinder is more suitable than the pneumatic cylinder and the hydraulic cylinder. This does not deviate from the basic principle of the utility model and falls within the protection scope of the utility model.

[0050] The working process of the battery flattening device is as follows: the moving support 34 is in the initial position, the battery piece is placed on the first adsorption assembly 18 and the second adsorption assembly 19, the vacuumizing equipment is started to make the vacuum chuck suck the two ends of the battery piece. The driving motor 21 is started to drive the moving support 34 to move away from the first support to flatten the battery piece. The battery piece is flattened and then sorted and tested. After the test is completed, the vacuumizing equipment stops working to make the vacuum chuck not suck the battery piece, and the battery piece is removed. Then the driving motor 21 drives the moving support 34 to move close to the first support to reset the moving support 34 to flatten the next battery piece.

[0051] The technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but the person skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. The person skilled in the art can make equivalent changes or replacements to the related technical features without deviating from the principles of the utility model, and the technical schemes after the changes or replacements will all fall within the protection scope of the utility model.

Claims

1. A device for flattening a battery sheet, characterized by, The flattening device comprises: a fixed support, a first suction assembly (18) arranged on the fixed support for sucking the first end of the battery piece; a movable support (34) movably arranged on the fixed support; a second suction assembly (19) arranged on the movable support (34) for sucking the second end of the battery piece; When the movable support (34) moves outward relative to the fixed support, the first suction assembly (18) and the second suction assembly (19) cooperate to flatten the battery piece.

2. The cell flattening device of claim 1, wherein, The first suction assembly (18) comprises a plurality of vacuum suction cups arranged along the width direction of the first end of the battery piece.

3. The cell flattening device of claim 2, wherein the first and second rollers are arranged to be rotated in opposite directions. The second suction assembly (19) comprises a plurality of vacuum suction cups arranged along the width direction of the second end of the battery piece.

4. The cell flattening device of claim 3, wherein the first and second rollers are arranged to be rotated in opposite directions. The vacuum suction cup is provided with a flexible sealing ring (15).

5. The cell flattening device of claim 1, wherein, One of the movable support (34) and the fixed support is provided with a sliding rod (31), and the other is provided with a sliding hole matched with the sliding rod (31), and the sliding rod (31) is arranged in the sliding hole.

6. The cell flattening device of claim 1, wherein, The flattening device further comprises a driving assembly, which is in transmission connection with the movable support (34) and is used for driving the movable support (34) to move, so that the second suction assembly (19) is close to or away from the first suction assembly (18).

7. The cell flattening device of claim 6, wherein the first and second rollers are arranged to be rotated in opposite directions. The driving assembly comprises a driving motor (21), a lead screw (13) arranged at the output end of the driving motor (21), and a lead screw nut, the lead screw (13) is in threaded connection with the lead screw nut, one of the driving motor (21) and the lead screw nut is arranged on the fixed support, and the other is arranged on the movable support (34).

8. The cell flattening device of claim 7, wherein the first and second rollers are arranged to be rotated in opposite directions. The fixed support comprises a first support and a second support (35), wherein the movable support (34) is arranged between the first support and the second support (35), the driving motor (21) is arranged on the first support, and the end of the lead screw (13) away from the driving motor (21) is in rotational connection with the second support (35).

9. The cell flattening device of claim 7, wherein the first and second rollers are arranged to be rotated in opposite directions. The driving motor (21) is a servo motor or a stepping motor.

10. The flattening device for the battery cell according to claim 6, characterized in that, The driving assembly comprises a linear drive arranged on the fixed support, and the output end of the linear drive is arranged on the movable support (34).

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