Ultrathin battery cell positioning mechanism

Abstract

The utility model provides an ultrathin battery cell positioning mechanism which comprises a mounting frame, a positioning auxiliary device and a positioning device, the positioning auxiliary device comprises an upper limiting assembly and a lower limiting assembly which are distributed up and down and mounted on the mounting frame; the upper limiting assembly controls an upper limiting piece to move up and down through a first Z-direction driving device. The lower limiting assembly controls a lower limiting piece to move up and down through a second Z-direction driving device. The positioning device is mounted on the mounting frame and located on the rear side of the positioning auxiliary device and comprises a Y-direction driving device, a mounting plate, a clamping assembly, an elastic connecting assembly and a pressure sensor. The Y-direction driving device is mounted on the mounting frame, and the power output end is connected with the mounting plate; the clamping assembly is connected to the mounting plate in a front-back movable mode through the elastic connecting assembly. And the pressure sensor is mounted between the mounting plate and the elastic connecting assembly. According to the design, the ultra-thin battery cell can be positioned at high precision.

Description

Technical Field

[0001] The utility model relates to the technical field of battery processing equipment, in particular to an ultra-thin battery core positioning mechanism. Background Art

[0002] When processing ultra-thin batteries, it is necessary to first obtain the position of the battery cell before proceeding with subsequent processing. However, due to the small width of the thin films on both sides of the battery cell, the CCD camera cannot accurately capture the positioning edge to obtain the position signal, resulting in low positioning accuracy, which affects the subsequent processing accuracy. Therefore, further improvements are needed. Utility Model Content

[0003] The purpose of the utility model is to provide an ultra-thin battery core positioning mechanism to solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A ultra-thin battery cell positioning mechanism, comprising a mounting frame, a positioning auxiliary device and a positioning device; the positioning auxiliary device comprises an upper limit assembly and a lower limit assembly which are distributed and installed on the mounting frame in an upper and lower manner; the upper limit assembly comprises a first Z-direction drive device, a first connecting plate and an upper limit piece; the first Z-direction drive device is mounted on the mounting frame and the power output end is connected to the first connecting plate; the upper limit piece is fixed below the first connecting plate; the lower limit assembly comprises a second Z-direction drive device, a second connecting plate and a lower limit piece; the second Z-direction drive device is mounted on the mounting frame and the power output end is connected to the second connecting plate; the lower limit piece is fixed above the second connecting plate; the positioning device is mounted on the mounting frame and is located at the rear side of the positioning auxiliary device, comprising a Y-direction drive device, a mounting plate, a clamping assembly, an elastic connection assembly and a pressure sensor; the Y-direction drive device is mounted on the mounting frame and the power output end is connected to the mounting plate; the clamping assembly can be movably connected to the mounting plate forward and backward through an elastic connection assembly; the pressure sensor is mounted between the mounting plate and the elastic connection assembly.

[0006] Further describing the present invention, both the first Z-direction driving device and the second Z-direction driving device adopt lifting cylinders.

[0007] Further description of the utility model, the Y-axis driving device adopts a servo motor screw drive to control the forward and backward movement of the mounting plate.

[0008] Further description of the present invention, the clamping assembly, the elastic connection assembly and the pressure sensor are all provided in two groups and are symmetrically distributed on the mounting plate.

[0009] Further description of the utility model, the elastic connection assembly includes a sliding plate, a front stopper, a rear stopper, a first spring, a second spring and a rear limit piece; the sliding plate is connected to the top of the mounting plate by sliding forward and backward through a first slide rail pair; the rear stopper is fixed on the mounting plate and is located on the rear side of the sliding plate; the first spring is installed between the rear stopper and the sliding plate; the front stopper is fixed on the front end of the sliding plate; the clamping assembly includes a sliding seat and a clamping cylinder; the sliding seat is connected to the top of the sliding plate by sliding forward and backward through a second slide rail pair; the clamping cylinder is fixed on the sliding seat; the second spring is installed between the front stopper and the sliding seat; the rear limit piece is fixed on the sliding plate and is located on the rear side of the sliding seat.

[0010] Further description of the utility model: a stand is provided at the front of the mounting plate; the pressure sensor is installed at the rear side of the stand; a protrusion is provided on the side of the sliding plate corresponding to the pressure sensor; the protrusion is located at the rear side of the pressure sensor.

[0011] The beneficial effects of the utility model are:

[0012] When the battery cell is transported to the front side of the ultra-thin battery cell positioning mechanism of the present design by the conveying device, the positioning auxiliary device works to control the upper limit plate and the lower limit plate to move closer to the middle, the lower limit plate is supported on the bottom of the edge sheet of the battery cell, and the upper limit plate is located above the edge sheet of the battery cell. At this time, the battery cell is located in the front side of the upper limit plate, and the sheet on the rear side of the battery cell passes between the upper limit plate and the lower limit plate. The positioning device works to control the clamping assembly to move forward through the Y-axis drive device, and the clamping assembly clamps the edge sheet on the rear side of the battery cell from the rear side between the upper limit plate and the lower limit plate. Then the Y-axis drive device controls the clamping assembly to move backward, pulling the battery cell backward, so that the battery cell body is tightly attached to the front side of the upper limit plate, until the pressure sensor stops when it reaches the set value, and the positioning of the battery cell is completed. After the positioning is completed, the conveying device fixes the battery cell and transports it backward for processing. This method can accurately position the ultra-thin battery cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the battery cell of the utility model;

[0014] Figure 2 It is the overall structure diagram of the utility model;

[0015] Figure 3 It is a structural diagram of the positioning device of the utility model. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] like Figure 1-3As shown, an ultra-thin battery cell positioning mechanism includes a mounting frame 1, a positioning auxiliary device 2 and a positioning device 3; the positioning auxiliary device 2 includes an upper limit assembly 21 and a lower limit assembly 22 installed on the mounting frame 1 in an upper and lower distribution; the upper limit assembly 21 includes a first Z-direction drive device 211, a first connecting plate 212 and an upper limit piece 213; the first Z-direction drive device 211 is installed on the mounting frame 1 and the power output end is connected to the first connecting plate 212; the upper limit piece 213 is fixed below the first connecting plate 212; the lower limit assembly 22 includes a second Z-direction drive device 221, a second connecting plate 222 and a lower limit piece 223; the second Z-direction drive device 2 ... on the bottom of the first connecting plate 212; the lower limit assembly 22 includes a second Z-direction drive device 221, a second connecting plate 222 and a lower limit piece 223; the second Z-direction drive device 221 is installed on the mounting The mounting frame 1 is mounted on the mounting frame 1 and the power output end is connected to the second connecting plate 222; the lower limit plate 223 is fixed above the second connecting plate 222; the positioning device 3 is mounted on the mounting frame 1 and is located at the rear side of the positioning auxiliary device 2, including a Y-axis driving device 31, a mounting plate 32, a clamping assembly 33, an elastic connecting assembly 34 and a pressure sensor 35; the Y-axis driving device 31 is mounted on the mounting frame 1 and the power output end is connected to the mounting plate 32; the clamping assembly 33 can be movably connected to the mounting plate 32 through the elastic connecting assembly 34; the pressure sensor 35 is mounted between the mounting plate 32 and the elastic connecting assembly 34; when the battery cell 400 is transported to the present design by the transport device The ultra-thin battery cell 400 is positioned at the front side of the mechanism. At this time, the edge sheet 401 at the rear side of the battery cell 400 is located between the upper limit sheet 213 and the lower limit sheet 223. The positioning auxiliary device 2 works. The second Z-axis driving device 221 controls the lower limit sheet 223 to move upward. The lower limit sheet 223 is supported on the bottom of the edge sheet 401 at the rear side of the battery cell 400. At the same time, the first Z-axis driving device 211 controls the upper limit sheet 213 to move downward, close to the upper side of the edge sheet 401 at the rear side of the battery cell 400. The upper limit sheet 213 and the lower limit sheet 223 do not clamp the edge sheet 401 of the battery cell 400. At this time, the battery cell 400 is located in front of the upper limit sheet 213, and the sheet 401 at the rear side of the battery cell 400 is moved from the upper limit sheet 213. The positioning device 3 passes through the upper limit plate 213 and the lower limit plate 223, and the positioning device 3 works, and controls the clamping assembly 33 to move forward through the Y-axis drive device 31. The clamping assembly 33 clamps the edge thin film 401 on the rear side of the battery cell 400 from the rear side between the upper limit plate 213 and the lower limit plate 223, and then the Y-axis drive device 31 controls the clamping assembly 33 to move backward, pulling the battery cell 400 to move backward, so that the body of the battery cell 400 is tightly attached to the front side of the upper limit plate 213, and stops until the pressure sensor 35 reaches the set value, completing the positioning of the battery cell 400. After the positioning is completed, the transport device fixes the battery cell 400 and transports it backward for processing. This method can accurately position the ultra-thin battery cell 400.

[0018] The first Z-direction driving device 211 and the second Z-direction driving device 221 both use lifting cylinders.

[0019] The Y-axis driving device 31 uses a servo motor screw drive to control the forward and backward movement of the mounting plate 32, and the control accuracy is high.

[0020] The clamping components 33 , the elastic connection components 34 and the pressure sensor 35 are each provided in two groups and are symmetrically distributed on the mounting plate 32 . The two groups of clamping components 33 are used to clamp and pull the battery cell 400 , which has high stability.

[0021] The elastic connecting assembly 34 includes a sliding plate 341, a front stopper 342, a rear stopper 343, a first spring 344, a second spring 345 and a rear limit piece 346; the sliding plate 341 is slidably connected to the top of the mounting plate 32 by a first slide rail pair; the rear stopper 343 is fixed on the mounting plate 32 and is located at the rear side of the sliding plate 341; the first spring 344 is installed between the rear stopper 343 and the sliding plate 341; the front stopper 342 is fixed to the front end of the sliding plate 341; the clamping assembly 33 includes a sliding seat 331 and a clamping cylinder 332; the sliding seat 331 is slidably connected to the top of the sliding plate 341 by a second slide rail pair; the clamping cylinder 332 is fixed on the sliding seat 331; the second spring 345 is installed between the front stopper 342 and the sliding seat 331; the rear limit piece 346 is fixed on the sliding plate 341 and is located The rear side of the sliding seat 331; the front part of the mounting plate 32 is provided with a stand 321; the pressure sensor 35 is installed on the rear side of the stand 321; the sliding plate 341 is provided with a protrusion 3411 on the side corresponding to the pressure sensor 35; the protrusion 3411 is located at the rear side of the pressure sensor 35; the first spring 344 touches the sliding plate 341 to move forward, and the second spring 345 touches the sliding seat 331 to move backward. When the Y-axis driving device 31 controls the clamping assembly 33 to move forward, the clamping cylinder 332 abuts against the rear sides of the upper limit plate 213 and the lower limit plate 223, and has a buffering function. When the Y-axis driving device 31 controls the clamping assembly 33 to move backward, the battery cell 400 body touches the front side of the upper limit plate 213, and the protrusion 3411 on the sliding seat 331 touches the rear side of the pressure sensor 35. The pressure sensor 35 detects the pressure value, and the second spring 345 is compressed at this time.

[0022] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An ultra-thin battery cell positioning mechanism, characterized in that: It includes a mounting frame, a positioning auxiliary device and a positioning device; the positioning auxiliary device includes an upper limit assembly and a lower limit assembly which are installed on the mounting frame in an upper and lower distribution; the upper limit assembly includes a first Z-axis driving device, a first connecting plate and an upper limit piece; the first Z-axis driving device is installed on the mounting frame and the power output end is connected to the first connecting plate; the upper limit piece is fixed under the first connecting plate; the lower limit assembly includes a second Z-axis driving device, a second connecting plate and a lower limit piece; the second Z-axis driving device is installed on the mounting frame and the power output end is connected to the second connecting plate; the lower limit piece is fixed above the second connecting plate; the positioning device is installed on the mounting frame and is located at the rear side of the positioning auxiliary device, and includes a Y-axis driving device, a mounting plate, a clamping assembly, an elastic connecting assembly and a pressure sensor; the Y-axis driving device is installed on the mounting frame and the power output end is connected to the mounting plate; the clamping assembly can be movably connected to the mounting plate forward and backward through an elastic connecting assembly; the pressure sensor is installed between the mounting plate and the elastic connecting assembly.

2. The ultra-thin battery cell positioning mechanism according to claim 1, characterized in that: The first Z-direction driving device and the second Z-direction driving device both use lifting cylinders.

3. The ultra-thin battery cell positioning mechanism according to claim 1, characterized in that: The Y-axis driving device uses a servo motor screw drive to control the forward and backward movement of the mounting plate.

4. The ultra-thin battery cell positioning mechanism according to claim 1, characterized in that: The clamping assembly, the elastic connection assembly and the pressure sensor are all arranged in two groups and are symmetrically distributed on the mounting plate.

5. The ultra-thin battery cell positioning mechanism according to claim 1, characterized in that: The elastic connection assembly includes a sliding plate, a front stopper, a rear stopper, a first spring, a second spring and a rear limit piece; the sliding plate is connected to the top of the mounting plate by sliding forward and backward through a first slide rail pair; the rear stopper is fixed on the mounting plate and is located at the rear side of the sliding plate; the first spring is installed between the rear stopper and the sliding plate; the front stopper is fixed to the front end of the sliding plate; the clamping assembly includes a sliding seat and a clamping cylinder; the sliding seat is connected to the top of the sliding plate by sliding forward and backward through a second slide rail pair; the clamping cylinder is fixed on the sliding seat; the second spring is installed between the front stopper and the sliding seat; the rear limit piece is fixed to the sliding plate and is located at the rear side of the sliding seat.

6. The ultra-thin battery cell positioning mechanism according to claim 5, characterized in that: A stand is provided at the front of the mounting plate; the pressure sensor is installed at the rear side of the stand; a convex block is provided on the side of the sliding plate corresponding to the pressure sensor; the convex block is located at the rear side of the pressure sensor.

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