A battery restraint tray locking device

Abstract

A battery restraint tray locking device, comprising: a base with an installation platform provided on the top; a front and rear driving mechanism disposed on the base, including a driving device, a fixed guide rail slider assembly and a slider fixing plate, wherein the pushing end of the driving device is connected to the fixed guide rail slider assembly; a slider fixing plate is fixedly provided on the sliding part of the fixed guide rail slider assembly; the slider fixing plate is connected to the pushing end of the driving device through a connecting member; and a synchronous motion mechanism disposed on the front and rear driving mechanism, including a motor driving device, a torque limiting device, a screw rod transmission device, a synchronous pulley transmission device and a moving guide rail slider device, the motor driving device is slidably mounted on the slider fixing plate through the moving guide rail slider device; a sleeve head is fitted at the end of the output shaft of the torque limiting device; the screw rod transmission device is connected to the output shaft of the torque limiting device by a belt through the synchronous pulley transmission device. The beneficial effects of the present invention are: improving production efficiency, making the product flow line-based, and facilitating production automation.

Description

Technical Field

[0001] The present invention relates to a locking device for a battery restraint tray, belonging to the technical field of battery chemical component capacity testing. Background Art

[0002] During the automated production process of lithium batteries, especially during the chemical component capacity process, the shape of the battery core bulges due to gas generation during formation, which directly affects the shape quality of the battery core. Therefore, during the testing process, in order to ensure the consistency of the battery's external dimensions, it is necessary to use a restraint tray to press the battery and apply a given pressure. Currently, a cylinder is directly used for pressing and expanding, resulting in uneven control of the force, inability to feedback the magnitude of the force and control the stroke of expansion and contraction, and it is easy to over-press or under-press the battery. Summary of the Invention

[0003] The purpose of the present invention is to provide a simpler and more accurate locking and opening mechanism for the battery restraint tray in view of the deficiencies of the prior art, which is beneficial to the automated production of the assembly line.

[0004] A locking device for a battery restraint tray according to the present invention is characterized by comprising:

[0005] A base, with an installation platform provided on the top for supporting and installing the front and rear drive mechanisms;

[0006] The front and rear drive mechanisms are arranged on the base and include a drive device, a fixed guide rail slider assembly, and a slider fixing plate. The drive device is fixedly arranged on the installation platform at the top of the base, and its pushing end is connected to the fixed guide rail slider assembly for providing a driving force. The fixed guide rail slider assembly is laid on the installation platform of the base along the pushing direction of the drive device, and a slider fixing plate is fixedly arranged on its sliding part for driving the slider fixing plate to slide. The slider fixing plate is arranged beside the drive device and is connected to the pushing end of the drive device through a connecting member for adjusting the position of the synchronous motion mechanism thereon;

[0007] And a synchronous motion mechanism, which is arranged on the front and rear drive mechanisms and includes a motor drive device, a torque limiting device, a lead screw transmission device, a synchronous pulley transmission device and a moving guide rail slider device. The motor drive device is slidably installed on the slider fixing plate through the moving guide rail slider device, and a torque limiting device is assembled at its power output end; the power input shaft of the torque limiting device is connected to the power output shaft of the motor drive device, and a socket head is assembled at the end of its output shaft, and a socket head that can be sleeved on the lead screw end of the battery restraint tray is assembled at the end of its output shaft, which is used to push the battery restraint tray to clamp or open; the lead screw transmission device is arranged on the slider fixing plate of the front and rear drive mechanisms, and its moving part is belt-connected to the output shaft of the torque limiting device through the synchronous pulley transmission device, which is used to drive the motor drive device to move axially along the lead screw transmission device; the moving guide rail slider device is paved axially along the fixed guide rail slider assembly on the slider fixing plate, and its movable part is fixedly connected to the motor drive device, so that the motor drive device drives the torque limiting device to move axially along the lead screw transmission device.

[0008] Preferably, the fixed guide rail slider assembly includes a first slide rail and a first slider. The first slide rail is laid on the installation platform at the top of the base and is arranged along the telescopic direction of the pushing end of the drive device; the first slider is arranged on the first slide rail and is slidably matched with the first slide rail, so that it can slide axially along the first slide rail under the action of an external force; the top of the first slider is fixedly connected to the bottom of the slider fixing plate, and the side of the slider fixing plate is connected to the pushing end of the drive device through a connecting piece, so that it slides axially along the first slide rail under the drive of the drive device.

[0009] Preferably, the moving guide rail slider device includes a second slide rail as the fixed part and a second slider as the movable part. The second slide rail is paved on the slider fixing plate and is arranged along the axial direction of the first slide rail. The second slider is arranged on the second slide rail and is slidably matched with the second slide rail, so that it can slide axially along the second slide rail under the action of an external force.

[0010] Preferably, the motor drive device includes a motor mounting plate, a motor support seat and a clamping motor. The motor mounting plate is mounted on the second slider, and the clamping motor is mounted on the motor mounting plate through the motor support seat, and its output shaft is connected to the input shaft of the torque limiting device for outputting torque.

[0011] Preferably, the clamping motor, the torque limiting device and the socket head are located on the same axis.

[0012] Preferably, the synchronous pulley device includes a synchronous pulley and a belt. The synchronous pulley is mounted on the output shaft of the torque limiting device, and the synchronous pulley is belt-connected to the moving part of the lead screw transmission device through the belt.

[0013] Preferably, the lead screw drive device includes a lead screw and a synchronous pulley as the moving part. The lead screw is arranged between the motor mounting plate and the slider fixing plate and is supported on the slider fixing plate by bearings; the synchronous pulley is sleeved outside the lead screw and is screwed to the lead screw; the synchronous pulley is connected to the synchronous wheel by a belt.

[0014] The beneficial effects of the present invention are: it can improve production efficiency, streamline the product production line, and is more conducive to production automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the battery restraint tray locking device of the present invention.

[0016] Figure 2 It is a schematic diagram of the front and rear drive mechanism of the locking device.

[0017] Figure 3 It is a schematic diagram of the synchronous motion mechanism of the locking device. DETAILED DESCRIPTION OF THE INVENTION

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Referring to the accompanying drawings:

[0020] Embodiment 1 A battery restraint tray locking device according to the present invention includes:

[0021] A base 100, with a mounting platform on the top for supporting and mounting the front and rear drive mechanisms;

[0022] The front and rear drive mechanism 200 is arranged on the base 100 and includes a driving device 201, a fixed guide rail slider assembly 202 and a slider fixing plate 203. The driving device 201 is fixedly arranged on the mounting platform on the top of the base 100, and its pushing end is connected to the fixed guide rail slider assembly for providing driving force; the fixed guide rail slider assembly 202 is laid on the mounting platform of the base 100 along the pushing direction of the driving device, and a slider fixing plate 203 is fixedly arranged on its sliding part for driving the slider fixing plate 203 to slide; the slider fixing plate 203 is arranged beside the driving device 201 and is connected to the pushing end of the driving device 201 through a connecting piece 204 for adjusting the position of the synchronous motion mechanism 300 thereon;

[0023] And a synchronous motion mechanism 300, which is arranged on the front and rear driving mechanism 200 and includes a motor driving device 301, a torque limiting device 302, a lead screw transmission device 304, a synchronous pulley transmission device 303 and a moving guide rail slider device 305. The motor driving device 301 is slidably mounted on the slider fixing plate 203 through the moving guide rail slider device 305, and a torque limiting device 302 is assembled at its power output end; the input shaft of the torque limiting device 302 is connected to the power output shaft of the motor driving device 301, and a socket head 306 that can be sleeved on the end of the lead screw of the battery restraint tray is assembled at the end of its output shaft, which is used to push the battery restraint tray to clamp or open; the lead screw transmission device 304 is arranged on the slider fixing plate 203 of the front and rear driving mechanism 200, and its moving part is belt-connected to the output shaft of the torque limiting device 302 through the synchronous pulley transmission device 303, which is used to drive the motor driving device to move axially along the lead screw transmission device; the moving guide rail slider device 305 is paved axially along the fixed guide rail slider assembly on the slider fixing plate, and its movable part is fixedly connected to the motor driving device 301, so that the motor driving device drives the torque limiting device to move axially along the lead screw transmission device.

[0024] Preferably, the fixed guide rail slider assembly 202 includes a first slide rail 211 and a first slider 212 as a sliding part. The first slide rail 211 is laid on the installation platform at the top of the base 100, and the first slide rail 211 is arranged along the telescopic direction of the pushing end of the driving device; the first slider 212 is arranged on the first slide rail 211 and is slidably matched with the first slide rail 211, so that it can slide axially along the first slide rail 211 under the action of an external force; the top of the first slider 212 is fixedly connected to the bottom of the slider fixing plate 203, and the side surface of the slider fixing plate 203 is connected to the pushing end of the driving device 201 through a connecting piece 204, so that it slides axially along the first slide rail under the drive of the driving device.

[0025] Preferably, the moving guide rail slider device 305 includes a second slide rail 314 as a fixed part and a second slider 315 as a movable part. The second slide rail is paved on the slider fixing plate and is arranged along the axial direction of the first slide rail. The second slider is arranged on the second slide rail and is slidably matched with the second slide rail, so that it can slide axially along the second slide rail under the action of an external force.

[0026] Preferably, the motor driving device 301 includes a motor mounting plate 311, a motor support seat 312 and a clamping motor 313. The motor mounting plate is mounted on the second slider, and the clamping motor is mounted on the motor mounting plate through the motor support seat. Its output shaft is connected to the input shaft of the torque limiting device, which is used to output torque.

[0027] Preferably, the clamping motor, the torque limiting device and the socket head are located on the same axis.

[0028] Preferably, the synchronous pulley device 303 includes a synchronous pulley 316 and a belt 317. The synchronous pulley is mounted on the output shaft of the torque limiting device, and the synchronous pulley is belt-connected to the moving part of the lead screw transmission device through the belt.

[0029] Preferably, the lead screw transmission device 304 includes a lead screw 318 and a synchronous pulley 319 as the moving part. The lead screw is arranged between the motor mounting plate and the slider fixing plate and is supported on the slider fixing plate by bearings; the synchronous pulley is sleeved outside the lead screw and is screwed to the lead screw; the synchronous pulley is belt-connected to the synchronous pulley through the belt.

[0030] Embodiment 2 A battery restraint tray locking device according to the present invention includes a base, a front and rear driving mechanism and a synchronous motion mechanism. The front and rear driving mechanism includes a driving device, a fixed guide rail slider assembly and a slider fixing plate, and is arranged on the base. The synchronous motion mechanism is arranged on the slider fixing plate of the front and rear driving mechanism, and the synchronous motion mechanism is composed of a motor driving device, a torque limiting device, a lead screw transmission device, a synchronous pulley transmission device and a moving guide rail slider device.

[0031] The battery restraint tray locking device provided by the present invention pushes the synchronous motion mechanism through the front and rear driving mechanism, so that the socket head on the synchronous motion mechanism is butted against the head of the lead screw on the battery restraint tray. The motor driving unit of the synchronous motion mechanism drives the synchronous pulley transmission device, and a torque limiting unit device is installed on the motor driving device. The synchronous pulley is connected to the lead screw transmission device, so that the motor driving device drives the entire platform to move linearly on the second slide rail of the synchronous motion mechanism, thereby adjusting the clamping degree of the battery restraint tray on the soft-pack battery.

[0032] The base 100 includes a lower bottom plate 101, an upper top plate 102 and columns 103. The upper top plate and the lower bottom plate are fixedly installed together by four columns and keep the upper top plate and the lower bottom plate horizontal. The surface of the upper top plate serves as an installation platform for installing the front and rear driving devices.

[0033] The driving device of the front and rear driving mechanism is a linear cylinder, and the pushing end of the linear cylinder expands and contracts axially along the first slide rail.

[0034] Embodiment 3. The battery restraint tray described in Embodiment 2 includes a support frame, a battery clamping mechanism, and a lead screw. A guide rod is provided on the support frame. The battery clamping mechanism is arranged inside the support frame and includes a plurality of juxtaposed battery partitions and a guide plate. The battery partitions and the guide plate are both threaded through the guide rod. The battery partitions are interconnected through a linkage component. The lead screw is arranged on the end plate of the support frame close to the guide plate and is screwed thereto. One end of the lead screw is connected to the guide plate, and the other end can be docked with a socket head. The clamping degree of the battery restraint tray is controlled by a battery restraint tray locking device.

[0035] The content described in the embodiments of this specification is merely a listing of the implementation forms of the inventive concept. The protection scope of the present invention should not be regarded as limited to the specific forms stated in the embodiments. The protection scope of the present invention also includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concept of the present invention.

Claims

1. A battery restraint tray locking device, characterized in that, Comprising: A base with an installation platform at the top for supporting and installing the front and rear drive mechanisms; The front and rear drive mechanisms are arranged on the base and include a drive device, a fixed guide rail slider assembly, and a slider fixing plate. The drive device is fixedly arranged on the installation platform at the top of the base, and its pushing end is connected to the fixed guide rail slider assembly for providing driving force. The fixed guide rail slider assembly is laid on the installation platform of the base along the pushing direction of the drive device, and a slider fixing plate is fixedly arranged on its sliding part for driving the slider fixing plate to slide. The slider fixing plate is arranged beside the drive device and is connected to the pushing end of the drive device through a connecting piece for adjusting the position of the synchronous motion mechanism thereon; And a synchronous motion mechanism arranged on the front and rear drive mechanisms, including a motor drive device, a torque limiting device, a lead screw transmission device, a synchronous pulley transmission device, and a moving guide rail slider device. The motor drive device is slidably installed on the slider fixing plate through the moving guide rail slider device, and its power output end is equipped with a torque limiting device. The power input shaft of the torque limiting device is connected to the power output shaft of the motor drive device, and the end of its output shaft is equipped with a socket head that can be sleeved on the end of the lead screw of the battery restraint tray for pushing the battery restraint tray to clamp or open. The lead screw transmission device is arranged on the slider fixing plate of the front and rear drive mechanisms, and its moving part is connected by a belt to the output shaft of the torque limiting device through the synchronous pulley transmission device for driving the motor drive device to move axially along the lead screw transmission device. The moving guide rail slider device is laid on the slider fixing plate along the axial direction of the fixed guide rail slider assembly, and its moving part is fixedly connected to the motor drive device, so that the motor drive device drives the torque limiting device to move axially along the lead screw transmission device.

2. The battery restraint tray locking device according to claim 1, characterized in that: The fixed guide rail slider assembly includes a first slide rail and a first slider. The first slide rail is laid on the installation platform at the top of the base and is arranged along the telescopic direction of the pushing end of the drive device. The first slider is arranged on the first slide rail and is slidably matched with the first slide rail, so that it can slide axially along the first slide rail under the action of an external force. The top of the first slider is fixedly connected to the bottom of the slider fixing plate, and the side surface of the slider fixing plate is connected to the pushing end of the drive device through a connecting piece, so that it slides axially along the first slide rail under the drive of the drive device.

3. The battery restraint tray locking device according to claim 2, characterized in that: The moving guide rail slider device includes a second slide rail as the fixed part and a second slider as the moving part. The second slide rail is laid on the slider fixing plate and is arranged along the axial direction of the first slide rail. The second slider is arranged on the second slide rail and is slidably matched with the second slide rail, so that it can slide axially along the second slide rail under the action of an external force.

4. The battery restraint tray locking device according to claim 3, characterized in that: The motor drive device includes a motor mounting plate, a motor support seat, and a clamping motor. The motor mounting plate is mounted on the second slider, and the clamping motor is mounted on the motor mounting plate through the motor support seat, and its output shaft is connected to the input shaft of the torque limiting device for outputting torque.

5. The battery restraint tray locking device according to claim 4, wherein: The clamping motor, the torque limiting device, and the socket head are located on the same axis.

6. The battery restraint tray locking device according to claim 5, wherein: The synchronous pulley drive device includes a synchronous pulley and a belt. The synchronous pulley is mounted on the output shaft of the torque limiting device, and the synchronous pulley is connected to the moving part of the lead screw drive device through the belt.

7. The battery restraint tray locking device according to claim 6, wherein: The lead screw drive device includes a lead screw and a synchronous pulley as the moving part. The lead screw is arranged between the motor mounting plate and the slider fixing plate and is supported on the slider fixing plate through bearings; the synchronous pulley is sleeved outside the lead screw and is screwed to the lead screw; the synchronous pulley is connected to the synchronous pulley through a belt.

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