Battery cell rotation mechanism

Abstract

The application provides a battery cell righting mechanism, which comprises a mounting support, righting clamps and a first driving device; the mounting support is vertically placed; the righting clamps are mounted on the mounting support, and the righting clamps comprise two clamping plates oppositely arranged in a horizontal direction, and a clamping gap with adjustable size is formed between the two clamping plates; and the first driving device is used to drive the two clamping plates to adjust the size of the clamping gap. In the battery cell righting mechanism provided by the application, after the visual righting of the battery cell is completed, the battery cell is moved to the righting clamps, the pole is in the clamping gap, the clamping plates are driven to move by the first driving device, the clamping gap is adjusted to be smaller, the pole drives the battery cell to rotate under the clamping of the two clamping plates, and then the position of the battery cell is gradually adjusted.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery cell processing equipment, and particularly relates to a battery cell righting mechanism. BACKGROUND

[0002] When the cylindrical battery cell is loaded, it will rotate along its own axis to a certain extent, which affects the scanning code success rate in the subsequent welding process and the sealing pin welding effect.

[0003] In the prior art, in order to correct the loading position deviation, a righting station process is added behind the loading station; however, the battery is filled with electrolyte through the liquid injection hole, and the electrolyte may overflow the surface of the battery shell during the filling process. The electrolyte is relatively viscous and will slip during righting, which will cause the battery cell to be not righted in place, and the battery cell will still have position deviation. In addition, due to the circular shape of the battery, the battery is prone to rotation, and cannot be positioned by clamps like a square battery. SUMMARY

[0004] The present application provides a battery cell righting mechanism to solve the problem of battery cell not being righted in place and achieve the righting of the battery cell.

[0005] The present application provides a battery cell righting mechanism, comprising:

[0006] The mounting bracket is vertically placed;

[0007] The righting clamping jaw is mounted to the mounting bracket, and the righting clamping jaw comprises two clamping jaw plates oppositely arranged in a horizontal direction, and an adjustable clamping gap is formed between the two clamping jaw plates; and

[0008] The first driving device is used to drive the two clamping jaw plates to adjust the size of the clamping gap.

[0009] According to the battery cell righting mechanism provided by the present application, the lower end surface of each clamping jaw plate is concavely provided with an adaptive half groove, each adaptive half groove is provided as a side wall surface penetrating through the clamping jaw plate and facing the clamping gap, and the two adaptive half grooves jointly form a clamping groove.

[0010] According to the battery cell righting mechanism provided by the present application, the righting clamping jaw is adjustably mounted to the mounting bracket in an up-down direction.

[0011] According to the battery cell righting mechanism provided by the present application, the battery cell righting mechanism further comprises:

[0012] The mounting plate is adjustably mounted to the mounting bracket in an up-down direction; and

[0013] The second driving device drives the mounting plate to move;

[0014] The rotating jaw is installed on the mounting plate.

[0015] The installation support is provided with a guide hole extending along the up-down direction.

[0016] The electric core rotating mechanism further comprises a guide rod, one end of the guide rod movably penetrating the guide hole.

[0017] The mounting plate is fixedly installed on the other end of the guide rod.

[0018] The electric core rotating mechanism comprises a plurality of rotating jaws, and the plurality of rotating jaws are arranged in intervals along the horizontal direction.

[0019] The first driving device comprises a driving cylinder, a fixed end of the driving cylinder is installed on the installation support, and an output shaft of the driving cylinder is drivingly connected with the jaw plate to drive the jaw plate to adjust the clamping gap.

[0020] The electric core rotating mechanism further comprises a code scanning device, the code scanning device is arranged in intervals with the installation support, and together with the installation support forms a rotating station, and the code scanning device is used for scanning and identifying the electric core.

[0021] The rotating jaw is arranged corresponding to the rotating station.

[0022] The code scanning device comprises:

[0023] A bearing support is vertically placed and arranged in intervals with the installation support.

[0024] A code scanning probe is slidingly installed on the bearing support corresponding to the rotating station and is used for scanning and identifying the electric core.

[0025] A third driving device is used for driving the code scanning probe to slide.

[0026] The code scanning device further comprises a sliding plate, the sliding plate is installed on the bearing support, and a sliding cooperation structure is formed between the sliding plate and the opposite end surface of the bearing support, the sliding cooperation structure comprises a sliding rail and a sliding groove which are arranged in cooperation, one of the sliding rail and the sliding groove is arranged on the sliding plate, and the other is arranged on the bearing support, and the sliding rail is slidingly installed in the sliding groove.

[0027] The code scanning probe is fixedly installed on the sliding plate, and the third driving device drives the sliding plate to slide.

[0028] In the cell righting mechanism provided by the application, the end of the cell is provided with a long strip-shaped pole, after the cell is visually righted, the cell is moved to the righting clamping jaw, the pole is in the clamping gap, the clamping jaw plate is driven to move by the first driving device, the clamping gap is adjusted to be smaller, the pole drives the cell to rotate under the clamping of the two clamping jaw plates, and then the position of the cell is gradually adjusted, the cell righting mechanism is used for fine adjustment, the rotation angles of all cells are kept the same, a standard angle position is formed, and subsequent welding is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0030] Figure 1 It is a schematic diagram of the three-dimensional structure of the cell in the application;

[0031] Figure 2 It is a schematic diagram of the three-dimensional structure of an embodiment of the cell righting structure provided by the application;

[0032] Figure 3 It is a schematic diagram of the three-dimensional structure of an embodiment of the cell righting structure provided by the application; Figure 2 It is a schematic diagram of the three-dimensional structure of an embodiment of the righting clamping jaw;

[0033] Figure 4 It is a schematic diagram of the three-dimensional structure of an embodiment of the cell righting structure provided by the application; Figure 2 It is a schematic diagram of the three-dimensional structure of an embodiment of the clamping jaw plate;

[0034] Figure 5 It is a schematic diagram of the three-dimensional structure of an embodiment of the cell righting structure provided by the application including a code scanning device;

[0035] Figure 6 It is a schematic diagram of the three-dimensional structure of an embodiment of the cell righting structure provided by the application including a code scanning device; Figure 5

[0036] Reference signs:

[0037] 100, cell righting structure; 1, mounting support; 2, righting clamping jaw; 21, clamping jaw plate; 3, first driving device; 4, mounting plate; 5, second driving device; 6, guide rod; 7, code scanning device; 71, bearing support; 72, code scanning probe; 73, third driving device; 74, sliding plate; A, cell. DETAILED DESCRIPTION

[0038] ​In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions will be clearly and completely described below with reference to the drawings in the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0039] Referring to Figure 1 In the positive turning structure 100 provided by the present application, the positive turning operation is performed on the battery cell A, wherein the end of the battery cell A is provided with a pole column in a protruding manner, and the pole column is in a strip shape.

[0040] Referring to Figure 2 The present application provides a positive turning mechanism 100 for battery cell, which comprises a mounting bracket 1, a positive turning clamp jaw 2 and a first driving device 3. The mounting bracket 1 is vertically placed. The positive turning clamp jaw 2 is mounted on the mounting bracket 1, and comprises two clamp jaw plates 21 which are oppositely arranged in a horizontal direction. An adjustable clamping gap is formed between the two clamp jaw plates 21. The first driving device 3 is used to drive the two clamp jaw plates 21 to adjust the size of the clamping gap.

[0041] In the positive turning mechanism 100 provided by the present application, the end of the battery cell A is provided with a square pole column in a protruding manner. After the visual positive turning of the battery cell A is completed, the battery cell A is moved to the positive turning clamp jaw, and the pole column is located in the clamping gap. The first driving device 3 is used to drive the clamp jaw plates 21 to move, so as to adjust the clamping gap to be smaller. The pole column drives the battery cell A to rotate under the clamping of the two clamp jaw plates 21, and then gradually adjusts the position of the battery cell A. The positive turning mechanism is used for fine adjustment, so that the rotation angles of all battery cells are the same, a standard angle position is formed, and the subsequent welding is facilitated.

[0042] Further, referring to Figures 3-4 The lower end surface of each clamp jaw plate 21 is concavely provided with an adaptive half groove. Each adaptive half groove is arranged on the side wall surface of the clamp jaw plate 21 penetrating towards the clamping gap. The two adaptive half grooves jointly form a clamping groove. The two clamp jaw plates 21 are used to jointly clamp the pole column of the battery cell A. In order to facilitate the cooperation between the clamp jaw plates 21 and the battery cell A, the lower end surface of the clamp jaw plate 21 is concavely provided with an adaptive half groove, and the two adaptive half grooves jointly form a clamping groove for accommodating the end of the battery cell A. During the turning adjustment of the battery cell A, the battery cell A is ensured to rotate in the clamping groove, and displacement and shaking are avoided.

[0043] Specifically, in the embodiment, the adaptive half-grooves are semi-circular, and the two adaptive half-grooves together form the clamping groove, so that the clamping groove is circular, facilitating clamping of the battery cell A.

[0044] Further, the right-rotation clamp jaw 2 is adjustably mounted on the mounting bracket 1 in the up-down direction. In the embodiment, in order to facilitate the operation of the right-rotation clamp jaw 2, the right-rotation clamp jaw 2 is movably arranged in the up-down direction. When right-rotating the battery cell A, the right-rotation clamp jaw 2 is first moved downward, so that the pole of the battery cell A extends into the clamping gap, and then the right-rotation clamp jaw 2 is moved upward after clamping and rotating the battery cell A, without the need to move the device carrying the battery cell A, thereby improving the simplicity of the mechanism.

[0045] The right-rotation clamp jaw 2 can be movably arranged in the up-down direction in various ways, for example, the right-rotation clamp jaw 2 is slidably mounted on the mounting bracket 1.

[0046] Specifically, in the embodiment, the battery cell right-rotation mechanism 100 further comprises a mounting plate 4 and a second driving device 5. The mounting plate 4 is adjustably mounted on the mounting bracket 1 in the up-down direction. The second driving device 5 drives the mounting plate 4 to move. The right-rotation clamp jaw 2 is mounted on the mounting plate. In the embodiment, the right-rotation clamp jaw 2 is mounted on the mounting plate 4, and the right-rotation clamp jaw 2 is driven to move by the movement of the mounting plate 4, facilitating the installation and maintenance of the right-rotation clamp jaw 2.

[0047] It should be noted that the second driving device 5 has various embodiments. In the embodiment, the second driving device is a first air cylinder. The fixed end of the first air cylinder is mounted on the mounting bracket. The output shaft of the first air cylinder is movably arranged in the up-down direction. The mounting plate 4 is mounted on the output shaft of the first air cylinder.

[0048] Further, the mounting bracket 1 is provided with a guide hole extending in the up-down direction. The battery cell right-rotation mechanism 100 further comprises a guide rod 6. One end of the guide rod 6 movably penetrates into the guide hole. The mounting plate 4 is fixedly mounted on the other end of the guide rod 6. In the embodiment, in order to facilitate the stable movement of the mounting plate 4, the mounting plate 4 is arranged on the guide rod 6. The guide rod 6 is limited in the guide hole, preventing the mounting plate 4 from shaking when the mounting plate 4 moves in the up-down direction, so that the mounting plate 4 moves along the direction of the guide rod 6 and the guide hole.

[0049] In the embodiment, the guide hole and the guide rod 6 form a guide group, and the guide group is provided with a plurality of guide holes. This facilitates the stable movement of the mounting plate 4.

[0050] In another aspect, the rotating clamping jaws 2 are provided in plurality, and the plurality of rotating clamping jaws 2 are arranged in intervals in the horizontal direction, so as to simultaneously rotate the plurality of battery cells A.

[0051] In addition, the first driving device 3 can be provided in various ways, as long as it can drive the clamping jaw plate 21 to adjust the size of the clamping gap, for example, by a hydraulic cylinder to drive the clamping jaw plate 21 to move. In the embodiment, the first driving device 3 includes a driving cylinder, the fixed end of the driving cylinder is mounted to the mounting bracket 1, and the output shaft of the driving cylinder is drivingly connected with the clamping jaw plate 21 to drive the clamping jaw plate 21 to adjust the size of the clamping gap. In the embodiment, the clamping jaw plate 21 is controlled to move by the driving cylinder, the moving path is stable, and the clamping force can be adjusted, which ensures that the battery cell A can be rotated and the pole can not be damaged due to excessive movement.

[0052] It should be noted that the driving cylinder can be a double-shaft driving cylinder, which simultaneously drives two clamping jaw plates 21 to move to adjust the size of the clamping gap. The specific model is not limited in the present application.

[0053] In another aspect, referring to Figure 5 , the battery cell rotating mechanism 100 further includes a code scanning device 7, the code scanning device 7 is arranged in intervals with the mounting bracket 1, and together with the mounting bracket 1 forms a rotating station, the code scanning device 7 is used for scanning and identifying the battery cell; the rotating clamping jaw 2 is arranged corresponding to the rotating station. In the embodiment, after the fine adjustment and rotation of the battery cell A, the code scanning device 7 is used for scanning, detecting whether the scanning is normal, judging whether the rotation is in place, and facilitating the subsequent welding process.

[0054] Further, referring to Figure 6 , the code scanning device 7 includes a bearing bracket 71, a code scanning probe 72, and a third driving device 73; the bearing bracket 71 is vertically placed and arranged in intervals with the mounting bracket 1; the code scanning probe 72 is slidingly installed on the bearing bracket 71 in the horizontal direction and is arranged corresponding to the rotating station, and is used for scanning and identifying the battery cell; the third driving device 73 drives the code scanning probe 72 to slide. The rotating station can simultaneously accommodate a plurality of battery cells A. In order to facilitate the scanning of the plurality of battery cells A, in the embodiment, the code scanning probe 72 is slidingly arranged in the horizontal direction, and the position is adjusted by sliding, so that the plurality of battery cells A can be scanned.

[0055] In addition, it should be noted that in the present embodiment, the code scanning probes 72 are provided in plurality, and the plurality of code scanning probes are arranged horizontally and spaced apart, so as to simultaneously scan a plurality of battery cells A.

[0056] Specifically, in the present embodiment, the code scanning device 7 further comprises a sliding plate 74, which is mounted to the bearing support 71. A sliding fit structure is formed between the sliding plate 74 and the opposite end surface of the bearing support 71. The sliding fit structure comprises a sliding rail and a sliding groove which are arranged in cooperation with each other. One of the sliding rail and the sliding groove is arranged on the sliding plate 74, and the other is arranged on the bearing support 71. The sliding rail is slidingly mounted to the sliding groove. The code scanning probes 72 are fixedly mounted to the sliding plate 74. The third driving device 73 drives the sliding plate 74 to slide. In the present embodiment, the code scanning probes are mounted to the sliding plate 74. The sliding plate 74 and the bearing support 71 slide relative to each other through the cooperation of the sliding rail and the sliding groove, so as to ensure the stability of the sliding path.

[0057] It should be noted that in the present embodiment, the third driving device has various embodiments, as long as it can drive the sliding plate 74 to slide. In the present embodiment, the third driving device comprises a second air cylinder, which drives the sliding plate 74 to slide.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features. Such modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A cell alignment mechanism, characterized in that, include: Mounting bracket, placed vertically; A straightening gripper is mounted on the mounting bracket. The straightening gripper includes two gripper plates arranged horizontally opposite each other, with a clamping gap formed between the two gripper plates. The size of the clamping gap is adjustable. The first driving device is used to drive the two gripper plates to move and adjust the size of the gripping gap; Each of the gripper plates has a recessed fitting half-groove on its lower end surface. Each fitting half-groove is provided through the side wall of the gripper plate facing the clamping gap. Two fitting half-grooves together form a clamping groove. The adapter half-groove is semi-circular, and the two adapter half-grooves together form the clamping groove, making the clamping groove circular. The cell straightening mechanism also includes a barcode scanning device, which is spaced apart from the mounting bracket and together with the mounting bracket forms a straightening station. The barcode scanning device is used to scan and identify the cell. The straightening gripper is configured corresponding to the straightening station. The scanning device includes: The support bracket is placed vertically and is spaced apart from the mounting bracket; A barcode scanning probe is slidably mounted horizontally onto the support bracket and positioned corresponding to the turning station for scanning and identifying the battery cells; and, The third driving device drives the scanning probe to slide; The scanning device also includes a sliding plate, which is mounted on the support bracket. A sliding fit structure is formed between the opposite end faces of the sliding plate and the support bracket. The sliding fit structure includes a slide rail and a slide groove that cooperate with each other. One of the slide rail and the slide groove is located on the sliding plate, and the other is located on the support bracket. The slide rail is slidably installed in the slide groove. The barcode scanning probe is fixedly installed on the skateboard, and the third driving device drives the skateboard to slide. Fine-tuning is performed through the cell alignment mechanism to ensure that the rotation angle of all cells remains the same, thus forming a standard angular position; After the battery cell is finely adjusted and aligned, it is scanned using the barcode scanning device to check if it can be scanned normally and to determine if the alignment is in place, which is then used in the subsequent welding process.

2. The cell alignment mechanism according to claim 1, characterized in that, The straightening gripper is mounted on the mounting bracket, and the position of the straightening gripper in the vertical direction can be adjusted.

3. The cell alignment mechanism according to claim 2, characterized in that, The cell alignment mechanism also includes: A mounting plate is installed onto the mounting bracket, and the mounting plate is adjustable in the vertical direction; and... The second driving device drives the mounting plate to move; The centering gripper is mounted on the mounting plate.

4. The cell alignment mechanism according to claim 3, characterized in that, The mounting bracket is provided with a guide hole extending in the vertical direction. The cell alignment mechanism also includes a guide rod, one end of which is movably inserted into the guide hole; The mounting plate is fixedly installed to the other end of the guide rod.

5. The cell alignment mechanism according to claim 1, characterized in that, The rotating gripper is provided in multiple ways, and the multiple rotating grippers are arranged at intervals along the horizontal direction.

6. The cell alignment mechanism according to claim 1, characterized in that, The first driving device includes a driving cylinder, the fixed end of which is mounted on the mounting bracket, and the output shaft of the driving cylinder is driven to the gripper plate to drive the gripper plate to adjust the size of the clamping gap.

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