A square lithium battery thickness detection device

Abstract

A square lithium battery thickness detection device includes: a support platform unit, including a bottom support frame and a support platform, a plurality of jacks are arranged on the top of the bottom support frame; the support platform is arranged on the top of the jack; a battery clamping unit, arranged on the support platform, including a base assembly and a clamping claw assembly, the base assembly includes an end support frame and a connecting beam, the connecting beam is horizontally mounted on the support platform through the end support frame; at least one set of clamping claw assemblies is sequentially installed on the connecting beam; and a battery thickness detection unit, arranged on the support platform, including a transverse drive device and a thickness detection assembly, the transverse drive device is transversely paved on the support platform; the thickness detection assembly can be slidably installed on the transverse drive device, and the detection end of the thickness detection assembly is aligned with the large surface of the battery. The beneficial effects of the present invention are: simple structure, high detection accuracy, strong compatibility, can be directly and quickly connected with the existing production line, and the production line has high working efficiency.

Description

Technical Field

[0001] The invention relates to a square lithium battery thickness detection device, belonging to the technical field of lithium battery detection. Background Art

[0002] At present, the country vigorously promotes new energy vehicles, and the lithium battery industry has also developed greatly. Under this circumstance, the requirements for the size detection of lithium battery finished products will become more and more stringent. Lithium batteries are mainly divided into soft packs, cylindrical and square according to their shapes, and square lithium batteries are aluminum shells. During the production process, thickness detection is required. The technical difficulty of quickly and accurately detecting the thickness of square lithium batteries is relatively high and not easy to achieve. Summary of the invention

[0003] In order to solve the problem of thickness detection, the present invention proposes a square lithium battery thickness detection device, which has the advantages of simple structure and high detection accuracy. In addition, it can be directly and quickly connected to the existing production line to improve the working efficiency of the production line.

[0004] A square lithium battery thickness detection device according to the present invention is characterized in that it comprises:

[0005] The support unit comprises a bottom support frame and a support platform, wherein a plurality of vertically arranged jacks are arranged on the top of the bottom support frame for supporting the support platform; the support platform is arranged on the top of the jacks for installing a battery clamping unit and a battery thickness detection unit;

[0006] A battery clamping unit is arranged on the support platform, comprising a base assembly for mounting the clamping jaw assembly and a clamping jaw assembly for clamping the battery, wherein the base assembly comprises an end support frame and a connecting crossbeam, wherein the connecting crossbeam is horizontally mounted on the support platform through the end support frame, with the axial direction of the connecting crossbeam as the transverse direction; at least one set of the clamping jaw assembly is sequentially mounted on the connecting crossbeam, and the large surface of the battery clamped by the clamping jaw assembly is kept arranged in the transverse direction;

[0007] And a battery thickness detection unit is arranged on the supporting platform, including a transverse driving device and a thickness detection component. The transverse driving device is paved on the supporting platform in the transverse direction and is used to install the thickness detection component; the thickness detection component can be slidably installed on the transverse driving device, and the detection end of the thickness detection component is aligned with the large surface of the battery.

[0008] Furthermore, the bottom support frame includes vertical support columns, connecting square steels, mounting plates and jacks. The vertical support columns are arranged below the support platform. Two adjacent vertical support columns are fixedly connected together by connecting square steels, and the vertical support columns are kept parallel to each other. The mounting plates are installed on the sides of the vertical support columns. The tops of the vertical support columns are equipped with jacks for supporting the support platform.

[0009] Furthermore, there are two groups of end support frames, which are respectively arranged at the two ends of the connecting beam, and the end support frames include a bottom fixing plate, an inverted U-shaped base support frame and a thickness fixing plate. There are two bottom fixing plates, which are respectively installed at the two opposite ends of the support platform in the horizontal direction; the bottom end of the base support frame is installed on the two bottom fixing plates through the thickness fixing plate; the connecting beam is arranged between the two end support frames, and the end of the connecting beam is fixedly connected to the top of the base support frame; at least one cylinder mounting plate is arranged laterally on the surface of the connecting beam, and a set of the clamping jaw assembly is installed on each cylinder mounting plate.

[0010] Further, the clamping jaw assembly includes a clamping cylinder, a clamping jaw base assembly and a clamping jaw, wherein the clamping cylinder is arranged on the cylinder mounting plate and keeps the two clamping ends of the clamping cylinder clamped or loosened in the transverse direction;

[0011] The clamping jaw base assembly includes a clamping jaw bracket, a thickness detection mounting plate and a thickness detection positioning block. The bottom of the clamping jaw bracket is mounted on the cylinder mounting plate for mounting the thickness detection mounting plate. The thickness detection mounting plate is arranged on the top of the clamping jaw bracket in a transverse direction, and a transversely arranged channel is left between the thickness detection mounting plate and the cylinder mounting plate. The thickness detection positioning block is mounted on the surface of the thickness detection mounting plate for supporting the bottom of the battery.

[0012] The clamp includes a clamp support plate, a clamp body and a pressure sensor. The clamp support plate is inserted into the channel in the horizontal direction, and one end of the clamp support plate is connected to the clamping end corresponding to the clamping cylinder, and the other end is installed with a clamp body after passing through the channel. The two clamp bodies are opposite to each other and are used to clamp the opposite ends of the battery. The pressure sensor is arranged on one of the clamp bodies to detect whether the clamp clamps the battery.

[0013] Furthermore, the transverse driving device includes a drag chain plate, a drag chain, a linear module and a servo motor. There are two groups of drag chain plates, which are respectively installed between the two bottom fixed plates, and the two drag chain plates are arranged on both sides of the linear module; there are two groups of drag chains, which are respectively arranged on the corresponding drag chain plates, and the pulling end of the drag chain is connected to the thickness detection component; the linear module is horizontally laid in the middle position of the bottom fixed plate and is located directly below the connecting beam; the servo motor is arranged at the end of the linear module, and the driving end of the servo motor is connected to the power input end of the linear module, which is used to drive the linear module to drive the thickness detection component to move horizontally.

[0014] Furthermore, there are two groups of thickness detection components, which are arranged on both sides of the connecting beam, and each group of thickness detection components includes a sliding plate, a drag chain fixing bracket, a sensor support plate, a sensor mounting base plate, a sensor mounting rib plate, a thickness detection sensor and a connecting plate. The sliding plate is arranged on the transverse driving device and is connected to the transverse moving part of the transverse driving device; the drag chain fixing bracket is arranged on the sliding plate and is connected to the pulling end of the drag chain; the sensor mounting base plate is arranged on the sliding plate; the sensor support plate is arranged on the sensor mounting base plate; the sensor mounting rib is connected between the sensor mounting base plate and the sensor support plate; the thickness detection sensor is arranged on the sensor support plate, the top of the thickness detection sensor exceeds the top of the battery, and the detection end of the thickness detection sensor is aligned with the large surface of the battery; the connecting plate is connected to the top of the two groups of thickness detection sensors.

[0015] The thickness detection operation of the square lithium battery thickness detection device of the present invention is as follows:

[0016] 1) The square lithium battery is loaded to the middle position of the above-mentioned clamping jaw assembly by a loading robot, and both ends of the square lithium battery are fixed by the battery clamping jaw assembly.

[0017] 2) After the square lithium battery is in place, the sensor assembly moves laterally through the action of the lateral drive device, and the detection device transmits the sensor detection data to the background for data calculation and analysis to determine whether the width size of the square lithium battery is qualified.

[0018] The beneficial effects of the present invention are: it has the advantages of simple structure, high detection accuracy, strong compatibility, etc., and can also be directly and quickly connected to the existing production line to improve the working efficiency of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the present invention;

[0020] Figure 2is a structural diagram of a support unit of the present invention;

[0021] Figure 3 It is a structural diagram of the base assembly of the present invention (the bottom fixing plate is omitted);

[0022] Figure 4 It is a structural diagram of the clamping jaw assembly of the present invention. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings.

[0024] Refer to the attached figure:

[0025] Embodiment 1 A square lithium battery thickness detection device according to the present invention comprises:

[0026] The support unit 1 is used to support the battery clamping unit 2 and the battery thickness detection unit 3, and includes a bottom support frame 11 and a support platform 12. Five vertically arranged jacks are arranged on the top of the bottom support frame 11 to support the support platform; the support platform 12 is a rectangular marble plate, which is arranged on the top of the jacks and is used to install the battery clamping unit and the battery thickness detection unit;

[0027] The battery clamping unit 2 is used to fix the battery and drive the battery to move, and is arranged on the support platform 12, including a base assembly 21 for installing the clamping jaw assembly and a clamping jaw assembly 22 for clamping the battery. The base assembly 21 includes an end support frame 211 and a connecting beam 212. The connecting beam 212 is a square tube, which is horizontally mounted on the support platform 12 through the end support frame 211, with the axial direction of the connecting beam as the transverse direction and the horizontal direction perpendicular to the transverse direction as the longitudinal direction; at least one set of the clamping jaw assembly 22 is sequentially installed on the connecting beam 212, and the four large surfaces of the battery clamped by the clamping jaw assembly 22 are kept arranged in the transverse direction;

[0028] And a battery thickness detection unit 3, which is used to detect the battery thickness and is arranged on the supporting platform 12, including a transverse driving device 31 and a thickness detection component 32. The transverse driving device 31 is paved on the supporting platform 12 along the transverse direction and is used to install the thickness detection component; the thickness detection component 32 can be slidably installed on the transverse driving device 31, and the detection end of the thickness detection component 32 is aligned with the large surface of the battery 4.

[0029] The bottom support frame 11 includes a vertical support column 111, a connecting square steel, a mounting plate 112 and a jack 113. The vertical support columns are four in total and are vertically arranged below the four corners of the support platform. The connecting square steel is divided into a transverse connecting square steel 114 and a lateral connecting square steel 115. The transverse connecting square steel 114 is four in total and is divided into two groups, which are horizontally connected between two adjacent vertical support columns 111 arranged in the transverse direction. The lateral connecting square steel 115 is four in total and is divided into two groups, which are connected between two adjacent vertical support columns 111 arranged in the longitudinal direction. The vertical support columns 111 are arranged between the vertical support columns and keep the vertical support columns parallel to each other; there are four mounting plates 112, which are respectively installed on the sides of the vertical support columns 111 and are used to fix the square lithium battery thickness detection device; there are five groups of jacks 113, among which four groups of jacks 113 are respectively arranged on the top ends of the four vertical support columns, and one jack 113 is arranged on the horizontal supporting square steel, and the tops of the jacks 113 are kept at the same horizontal height, which is used to support the bottom of the support platform and maintain the support platform in a horizontal state.

[0030] There are two groups of end support frames 211, which are respectively arranged at the two ends of the connecting beam 212. The end support frames 211 include a bottom fixing plate 2111, an inverted U-shaped base support frame 2112 and a thickness fixing plate 2113. There are two bottom fixing plates 2111, which are respectively installed side by side at the two opposite ends of the support platform 12 in the horizontal direction; the bottom end of the base support frame 2112 is installed on the two bottom fixing plates 2111 through the thickness fixing plate 2113; the connecting beam 212 is arranged between the two end support frames 211, and the end of the connecting beam 212 is fixedly connected to the top of the base support frame 2112; two cylinder mounting plates 213 are arranged side by side in the horizontal direction on the surface of the connecting beam 212, and a set of the battery clamping unit 2 is installed on each of the cylinder mounting plates 213.

[0031] The clamping jaw assembly 22 includes a clamping cylinder 221, a clamping jaw base assembly 222 and a clamping jaw 223. The clamping cylinder 221 is arranged on the cylinder mounting plate 213, and keeps the two clamping ends of the clamping cylinder 221 clamped or loosened in the transverse direction. When the clamping cylinder 221 is in motion, the battery is fixed on the clamping jaw assembly, which is convenient for subsequent thickness detection.

[0032] The clamping jaw base assembly 222 includes a clamping jaw bracket 2221, a thickness detection mounting plate 2222 and a thickness detection positioning block 2223. The bottom of the clamping jaw bracket 221 is mounted on the cylinder mounting plate 213 for mounting the thickness detection mounting plate; the thickness detection mounting plate 2222 is transversely arranged on the top of the clamping jaw bracket 2221, and a transversely arranged channel is left between the thickness detection mounting plate 2222 and the cylinder mounting plate 213; the thickness detection positioning block 223 is installed on the surface of the thickness detection mounting plate 2222 for supporting the bottom of the battery 4;

[0033] The clamp 223 includes a clamp support plate 2231, a clamp body 2232 and a pressure sensor 2233. The clamp support plate 2231 is inserted into the channel in the horizontal direction, and one end of the clamp support plate 2231 is connected to the clamping end corresponding to the clamping cylinder 221, and the other end is installed with a clamp body 2232 after passing through the channel. The two clamp bodies 2232 are opposite to each other and are used to clamp the opposite ends of the battery; the pressure sensor 2233 is arranged on one of the clamp bodies 2232 to detect whether the clamp clamps the battery.

[0034] The transverse driving device 31 includes a drag chain plate 311, a drag chain 312, a linear module 313 and a servo motor 314. The drag chain plate 311 has two groups, which are respectively installed between the two bottom fixed plates 2111, and the two drag chain plates 311 are arranged on both sides of the linear module 313; the drag chain has two groups, which are respectively arranged on the corresponding drag chain plates 311, and the pulling end of the drag chain 312 is connected to the thickness detection component 32; the linear module 313 is horizontally paved in the middle position of the bottom fixed plate 2111 and is located directly below the connecting beam 212; the servo motor 314 is arranged at the end of the linear module 313, and the driving end of the servo motor 314 is connected to the power input end of the linear module 313, which is used to drive the linear module 313 to drive the thickness detection component 32 to move horizontally.

[0035] The thickness detection components 32 have two groups, which are arranged on both sides of the connecting beam 212. Each group of the thickness detection components 32 includes a sliding plate 321, a drag chain fixing bracket 322, a sensor support plate 323, a sensor installation base plate 324, a sensor installation rib plate 325, a thickness detection sensor 326 and a connecting plate 327. The sliding plate 321 is arranged on the transverse driving device 31 and is connected to the transverse moving part of the transverse driving device 31; the drag chain fixing bracket 322 is arranged on the sliding plate 321 and is connected to the pulling end of the drag chain 312. The sensor mounting base plate 324 is arranged on the sliding plate 321; the sensor support plate 323 is arranged on the sensor mounting base plate 324; the sensor mounting rib 325 is connected between the sensor mounting base plate 324 and the sensor support plate 323; the thickness detection sensor 326 is arranged on the sensor support plate 323, the top of the thickness detection sensor 326 exceeds the top of the battery 4, and the detection end of the thickness detection sensor 326 is aligned with the large surface of the battery; the connecting plate 327 is connected to the top of the two groups of thickness detection sensors.

[0036] The battery is a square lithium battery.

[0037] The square lithium battery thickness detection device also includes a data processor, a signal input end of the data processor is electrically or signal-connected to the signal output end of the thickness detection sensor 326, and is used to perform data calculation and analysis on the data detected by the thickness detection sensor 326 to determine whether the battery width size is qualified.

[0038] Example 2: Using a square lithium battery thickness detection device of the present invention to perform thickness detection operation description:

[0039] 1) The battery 4 is loaded to the middle position of the above-mentioned clamping jaw assembly 22 by the loading robot, and both ends of the battery 4 are fixed by the clamping jaw assembly 22;

[0040] 2) After the battery 4 is in place, the thickness detection component 32 moves laterally through the action of the lateral drive device 31. The thickness detection component 32 transmits the detection data through the thickness detection sensor 326 to the background data processor to determine whether the battery width size is qualified.

[0041] The contents described in the embodiments of this specification are merely an enumeration of implementation forms of the inventive concept. The protection scope of the present invention should not be regarded as limited to the specific forms described in the embodiments. The protection scope of the present invention also includes equivalent technical means that can be thought of by those skilled in the art based on the inventive concept.

Claims

1. A square lithium battery thickness detection device, characterized in that: include: The support unit comprises a bottom support frame and a support platform, wherein a plurality of vertically arranged jacks are arranged on the top of the bottom support frame for supporting the support platform; The support platform is arranged on the top of the jack and is used to install a battery clamping unit and a battery thickness detection unit; A battery clamping unit is arranged on the support platform, comprising a base assembly for mounting a clamping jaw assembly and a clamping jaw assembly for clamping the battery, wherein the base assembly comprises an end support frame and a connecting beam, wherein the connecting beam is horizontally mounted on the support platform through the end support frame, with the axial direction of the connecting beam as the transverse direction; at least one set of the clamping jaw assembly is sequentially mounted on the connecting beam, and the large surface of the battery clamped by the clamping jaw assembly is kept arranged in the transverse direction; and a battery thickness detection unit, which is arranged on the support platform and includes a transverse driving device and a thickness detection component. The transverse driving device is transversely paved on the support platform and is used to install the thickness detection component. The thickness detection component can be slidably installed on the transverse driving device, and the detection end of the thickness detection component is aligned with the large surface of the battery. The clamping jaw assembly comprises a clamping cylinder, a clamping jaw base assembly and a clamping jaw, wherein the clamping cylinder is arranged on a cylinder mounting plate and keeps the two clamping ends of the clamping cylinder clamped or loosened in the transverse direction; The clamping jaw base assembly includes a clamping jaw bracket, a thickness detection mounting plate and a thickness detection positioning block. The bottom of the clamping jaw bracket is mounted on the cylinder mounting plate for mounting the thickness detection mounting plate. The thickness detection mounting plate is arranged on the top of the clamping jaw bracket in a transverse direction, and a transversely arranged channel is left between the thickness detection mounting plate and the cylinder mounting plate. The thickness detection positioning block is mounted on the surface of the thickness detection mounting plate for supporting the bottom of the battery. The clamp includes a clamp support plate, a clamp body and a pressure sensor. The clamp support plate is inserted into the channel in the horizontal direction, and one end of the clamp support plate is connected to the clamping end corresponding to the clamping cylinder, and the other end is installed with a clamp body after passing through the channel. The two clamp bodies are opposite to each other and are used to clamp the opposite ends of the battery. The pressure sensor is arranged on one of the clamp bodies to detect whether the clamp clamps the battery.

2. A square lithium battery thickness detection device as claimed in claim 1, characterized in that: The bottom support frame includes vertical support columns, connecting square steels, mounting plates and jacks. The vertical support columns are arranged below the support platform. Two adjacent vertical support columns are fixedly connected together by connecting square steels, and the vertical support columns are kept parallel to each other. The mounting plates are installed on the sides of the vertical support columns. The tops of the vertical support columns are equipped with jacks for supporting the support platform.

3. A square lithium battery thickness detection device as claimed in claim 2, characterized in that: There are two groups of end support frames, which are respectively arranged at the two ends of the connecting beam. The end support frames include a bottom fixing plate, an inverted U-shaped base support frame and a thickness fixing plate. There are two bottom fixing plates, which are respectively installed at the two opposite ends of the support platform in the horizontal direction; the bottom end of the base support frame is installed on the two bottom fixing plates through the thickness fixing plate; the connecting beam is arranged between the two end support frames, and the end of the connecting beam is fixedly connected to the top of the base support frame; at least one cylinder mounting plate is arranged on the surface of the connecting beam along the horizontal direction, and a set of the clamping jaw assembly is installed on each cylinder mounting plate.

4. A square lithium battery thickness detection device as claimed in claim 3, characterized in that: The transverse driving device includes a drag chain plate, a drag chain, a linear module and a servo motor. There are two groups of drag chain plates, which are respectively installed between the two bottom fixed plates, and the two drag chain plates are arranged on both sides of the linear module; there are two groups of drag chains, which are respectively arranged on the corresponding drag chain plates, and the pulling end of the drag chain is connected to the thickness detection component; the linear module is horizontally laid in the middle position of the bottom fixed plate and is located directly below the connecting beam; the servo motor is arranged at the end of the linear module, and the driving end of the servo motor is connected to the power input end of the linear module, which is used to drive the linear module to drive the thickness detection component to move horizontally.

5. A square lithium battery thickness detection device as claimed in claim 4, characterized in that: There are two groups of thickness detection components, which are arranged on both sides of the connecting beam. Each group of thickness detection components includes a sliding plate, a drag chain fixing bracket, a sensor support plate, a sensor mounting base plate, a sensor mounting rib plate, a thickness detection sensor and a connecting plate. The sliding plate is arranged on the transverse driving device and connected to the transverse moving part of the transverse driving device; the drag chain fixing bracket is arranged on the sliding plate and connected to the pulling end of the drag chain; the sensor mounting base plate is arranged on the sliding plate; the sensor support plate is arranged on the sensor mounting base plate; the sensor mounting rib is connected between the sensor mounting base plate and the sensor support plate; The thickness detection sensor is arranged on the sensor support plate, the top of the thickness detection sensor exceeds the top of the battery, and the detection end of the thickness detection sensor is aligned with the large surface of the battery; the connecting plate is connected to the top of the two groups of thickness detection sensors.

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