A square lithium battery width detection device
By designing a square lithium battery width detection device, the servo module and jaw mechanism are used to detect the width of the lithium battery with high accuracy, the problem of low manual detection accuracy is solved and production efficiency is improved.
Patent Information
- Application Number
- CN202110813172.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-07-19
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2041-07-19
AI Technical Summary
In large-scale production, manual detection of square lithium batteries has the problem of low accuracy, which cannot meet the strict inspection needs of finished products.
A square lithium battery width detection device is designed, including a detection mechanism and a jaw mechanism. The width detection displacement sensor is driven by a servo module, the lithium battery is clamped through the jaw mechanism, and the data processor is used to determine whether the width of the lithium battery is qualified.
It realizes high-precision and stable efficiency testing, can be connected to the production line, and improves production efficiency.
Smart Images

Figure CN113532350B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a square lithium battery width 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 appearance inspection 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, the aluminum shell is easily scratched and deformed, resulting in dimensional errors. Therefore, before the coating process, the size of the square lithium battery needs to be tested with high precision, and the test data needs to be uploaded to determine whether it is qualified. However, in large-scale production, manual labor cannot meet production needs, and the detection accuracy is not high. Summary of the invention
[0003] In order to solve the shortcomings of the prior art, the purpose of the present invention is to provide a square lithium battery width detection device, which is composed of a detection mechanism and a clamping mechanism, and is used to detect whether the width size of the square lithium battery is qualified. The device has the advantages of simple structure, high precision, stable efficiency, etc., and can be connected with the production line to improve production efficiency.
[0004] The square lithium battery width detection device described in the present invention is characterized by comprising a detection mechanism for detecting the width of the square lithium battery and a clamping mechanism for clamping the square lithium battery;
[0005] The detection mechanism includes a sliding support frame, a servo module and a width detection displacement sensor. A sliding beam is provided on the top of the sliding support frame for installing the clamp mechanism. The servo module is installed at the bottom of the sliding support frame along the axial direction of the sliding beam to drive the width detection displacement sensor to move. The width detection displacement sensor includes a U-shaped connecting frame, a displacement sensor and a displacement sensor bracket. The bottom of the U-shaped connecting frame is fixedly connected to the moving part of the servo module, and the two top ends of the U-shaped connecting frame are arranged on both sides of the sliding beam. The displacement sensors are respectively installed on the top ends of the U-shaped connecting frame through the corresponding displacement sensor brackets, and the test ends of the displacement sensors are kept aligned with both sides of the width direction of the placement table.
[0006] The clamping mechanism is installed on the sliding beam, and includes a support frame, a clamping cylinder and a pair of clamping jaw assemblies. The bottom of the support frame is fixedly connected to the sliding beam, and the top of the support frame is provided with a placement table for supporting square lithium batteries, and the height of the placement table is kept consistent with the height of the test end of the displacement sensor; the clamping cylinder is installed on the support frame, and the two relative clamping ends of the clamping cylinder move axially along the sliding beam to drive the clamping jaw assembly to move towards or in reverse; two sets of the clamping jaw assemblies are arranged on opposite sides of the placement table, and are respectively installed on the two clamping ends of the clamping cylinder to clamp or release the square lithium battery.
[0007] Furthermore, the sliding support frame includes a first bottom plate, a second bottom plate and a square tube support assembly, and the square tube support assembly is composed of an inverted U-shaped support column and a sliding beam. The two ends of the sliding beam are respectively mounted on the first bottom plate and the second bottom plate through an inverted U-shaped support column, and the sliding beam is kept parallel to the first bottom plate and the second bottom plate.
[0008] Furthermore, the servo module includes a servo motor and a linear module, the two ends of the linear module are respectively installed on the first base plate and the second base plate, and the guide track of the linear module is parallel to the sliding beam; the power input end of the linear module is connected to the power output end of the servo motor, and the moving part of the linear module is connected to the U-shaped connecting frame.
[0009] Furthermore, the U-shaped connecting frame includes a bottom connecting plate and a support seat, the bottom connecting plate is fixedly connected to the moving part of the linear module, and a support seat is installed at each end of the bottom connecting plate, and two sets of the support seats are arranged on both sides of the sliding beam.
[0010] Furthermore, the support frame includes a support platform, an I-shaped bracket, a support plate and a placement table, the support platform is fixedly mounted on the sliding beam, the support plate is mounted on the support platform through the I-shaped bracket, and a space for installing the clamping cylinder is reserved between the support plate and the support platform; the placement table is horizontally mounted on the surface of the support plate.
[0011] Furthermore, the clamping jaw assembly includes a clamping jaw, a buffer block, a pressure sensor and a pressure sensor bracket; each clamping end of the clamping cylinder is equipped with a clamping jaw, and the two clamping jaws are maintained on both sides opposite to the placement table; the buffer block is installed on the inner contact surface of the clamping jaw; the pressure sensor is installed on the clamping jaw through the pressure sensor bracket, and the pressure detection end of the clamping jaw faces the square lithium battery on the placement table.
[0012] Furthermore, a drag chain groove is installed between the first bottom plate and the second bottom plate, the drag chain groove is parallel to the linear module of the servo module, and a drag chain is installed in the drag chain groove.
[0013] Furthermore, the square lithium battery width detection device also includes a data processor, and a first signal input terminal of the data processor is signal-connected to a signal output terminal of the displacement sensor, so as to determine whether the width size of the square lithium battery is qualified according to the received square lithium battery width data; a signal output terminal of the pressure sensor is signal-connected to a second signal input terminal of the data processor, so as to detect whether a battery is inserted or clamped in place; a first control signal output terminal of the data processor is electrically connected to a signal input terminal of the clamping cylinder, so as to send a signal to the clamping cylinder whether it is clamped or released; a second control signal output terminal of the data processor is electrically connected to a signal input terminal of the servo motor, so as to control the position of the displacement sensor to detect the width of the square lithium battery.
[0014] The present invention first clamps and positions the square lithium battery by a clamping machine, and the servo module in the detection mechanism transmits the sensor to the square lithium battery. In order to improve the detection efficiency, the device has two clamping mechanisms. The detection device transmits the sensor detection data to the background data processor for data calculation and analysis to determine whether the width size of the square lithium battery is qualified.
[0015] The beneficial effects of the present invention are: simple structure, high precision, stable efficiency and the like, and it can be connected with the production line to improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the present invention;
[0017] Figure 2 is a schematic diagram of a detection mechanism of the present invention;
[0018] Figure 3 It is a schematic diagram of the clamping jaw mechanism of the present invention. DETAILED DESCRIPTION
[0019] The present invention is further described below in conjunction with the accompanying drawings.
[0020] Refer to the attached figure:
[0021] Embodiment 1 A square lithium battery width detection device according to the present invention comprises a detection mechanism 1 for detecting the width of a square lithium battery, and a clamping mechanism 2 for clamping a square lithium battery 4;
[0022] The detection mechanism 1 includes a sliding support frame 11, a servo module 12 and a width detection displacement sensor 13. The top frame of the sliding support frame 11 is equipped with a horizontally arranged sliding beam 111 for installing the clamping mechanism 2; the servo module 12 is axially installed at the bottom of the sliding support frame 11 along the sliding beam to drive the width detection displacement sensor to move; the width detection displacement sensor 13 includes a U-shaped connecting frame 131, a displacement sensor 132 and a displacement sensor bracket 133. The bottom of the U-shaped connecting frame 131 is fixedly connected to the moving part of the servo module 12, and the two top ends of the U-shaped connecting frame 131 are arranged on both sides of the sliding beam 111; the displacement sensor 132 is respectively installed on the top of the U-shaped connecting frame 131 through the corresponding displacement sensor bracket 133, and the test ends of the displacement sensor 132 are kept aligned with both sides of the width direction of the placement table 211;
[0023] There are two sets of the clamping mechanism 2, both of which are installed on the sliding beam 111, including a support frame 21, a clamping cylinder 22 and a pair of clamping jaw assemblies 23. The bottom of the support frame 21 is fixedly connected to the sliding beam 111, and the top is provided with a placement table 211 for supporting square lithium batteries, and the height of the placement table 211 is kept consistent with the height of the test end of the displacement sensor 132; the clamping cylinder 22 is installed on the support frame 21, and the two opposite clamping ends of the clamping cylinder 22 move axially along the sliding beam 111 to drive the clamping jaw assembly to move toward or in the opposite direction; the two sets of the clamping jaw assemblies 23 are arranged on opposite sides of the placement table 211, and are respectively installed on the two clamping ends of the clamping cylinder 22 to clamp or release the square lithium battery.
[0024] The sliding support frame 11 includes a first bottom plate 112, a second bottom plate 113 and a square tube support assembly. The square tube support assembly is composed of an inverted U-shaped support column 114 and a sliding beam 111. The sliding beam 111 is a hollow square tube, and the two ends of the sliding beam 111 are respectively mounted on the first bottom plate 112 and the second bottom plate 113 through an inverted U-shaped support column 114, and the sliding beam 111 is kept parallel to the first bottom plate 112 and the second bottom plate 113.
[0025] The servo module 12 includes a servo motor 121 and a linear module 122. The two ends of the linear module 122 are respectively installed on the first base plate 112 and the second base plate 113, and the guide track of the linear module 122 is parallel to the sliding beam 111; the power input end of the linear module 122 is connected to the power output end of the servo motor 121, and the moving part of the linear module 122 is connected to the U-shaped connecting frame 131.
[0026] The U-shaped connecting frame 131 includes a bottom connecting plate 1311 and a support seat 1312. The bottom connecting plate 1311 is fixedly connected to the moving part of the linear module 122, and a support seat 1312 is installed above each end of the bottom connecting plate 1311, and two sets of the support seats 1312 are arranged on both sides of the sliding beam 111. The servo module 12 drives the displacement sensor 132 to move along the axial direction of the sliding beam 111 and locate the fixed point.
[0027] The support frame 21 includes a support platform 211, an I-shaped bracket 212, a support plate 213 and a placement platform 214. The support platform 211 is fixed on the sliding beam 111, and the support plate 213 is mounted on the support platform 211 through four I-shaped brackets 212. The support plate 213 and the support platform 211 are parallel to each other, and a space for installing the clamping cylinder 22 is reserved between the support plate 213 and the support platform 211; the placement platform 214 is horizontally installed on the surface of the support plate 213.
[0028] The clamping jaw assembly 23 includes a clamping jaw 231, a buffer block 232, a pressure sensor 233 and a pressure sensor bracket 234. Each clamping end of the clamping cylinder 22 is equipped with a clamping jaw 231, and the two clamping jaws 231 are maintained on both sides opposite to the placement platform 214; the buffer block 232 is installed on the inner contact surface of the clamping jaw 231; the pressure sensor 233 is installed on the clamping jaw 231 through the pressure sensor bracket 234, and the pressure detection end of the clamping jaw 231 faces the square lithium battery on the placement platform 214.
[0029] The top of the clamping jaw 231 is provided with a notch for installing a pressure sensor 233 .
[0030] A drag chain groove 116 is installed between the first base plate 112 and the second base plate 113. The drag chain groove 116 is parallel to the linear module 122 of the servo module 12, and a drag chain 117 is installed in the drag chain groove 116 to prevent the air circuit and the line of the device from being damaged during movement.
[0031] The square lithium battery width detection device also includes a data processor, which is a general-purpose PLC controller (omitted in the accompanying drawings). The first signal input terminal of the data processor is signal-connected to the signal output terminal of the displacement sensor 132, and is used to determine whether the width size of the square lithium battery is qualified based on the received square lithium battery width data; the signal output terminal of the pressure sensor 233 is signal-connected to the second signal input terminal of the data processor, and is used to detect whether a battery is inserted or clamped in place; the first control signal output terminal of the data processor is electrically connected to the signal input terminal of the clamping cylinder 22, and is used to send a signal to the clamping cylinder 22 whether it is clamped or released; the second control signal output terminal of the data processor is electrically connected to the signal input terminal of the servo motor 121, and is used to control the position of the displacement sensor 132 to detect the width of the square lithium battery.
[0032] The present invention first clamps and positions the square lithium battery by a clamping machine, and the servo module in the detection mechanism transmits the sensor to the square lithium battery. In order to improve the detection efficiency, the device has two clamping mechanisms. The detection device transmits the sensor detection data to the background data processor for data calculation and analysis to determine whether the width size of the square lithium battery is qualified.
[0033] 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 width detection device, Features: It comprises a detection mechanism (1) for detecting the width of a square lithium battery and a clamping mechanism (2) for clamping the square lithium battery; The detection mechanism (1) comprises a sliding support frame (11), a servo module (12) and a width detection displacement sensor (13); a sliding beam (111) is provided on the top of the sliding support frame (11) for mounting the clamping mechanism (2); the servo module (12) is axially mounted on the bottom of the sliding support frame (11) along the sliding beam and is used to drive the width detection displacement sensor to move; the width detection displacement sensor (13) comprises a U-shaped connecting frame (131), a displacement sensor (132) and a displacement sensor (133); The U-shaped connecting frame (131) is fixedly connected to the movable part of the servo module (12), and the two top ends of the U-shaped connecting frame (131) are arranged on both sides of the sliding beam (111); the displacement sensor (132) is respectively installed on the top end of the U-shaped connecting frame (131) through the corresponding displacement sensor brackets (133), and the test ends of the displacement sensor (132) are kept aligned with both sides of the width direction of the placement platform (214), so as to detect the width of the square lithium battery; The clamping mechanism (2) is mounted on the sliding beam (111), and comprises a support frame (21), a clamping cylinder (22), and a pair of clamping jaw assemblies (23); the bottom of the support frame (21) is fixedly connected to the sliding beam (111), and the top of the support frame (21) is provided with a placement table (214) for supporting square lithium batteries, and the height of the placement table (214) is kept consistent with the height of the test end of the displacement sensor (132); the clamping cylinder (22) is mounted on the support frame (21), and the two opposite clamping ends of the clamping cylinder (22) move axially along the sliding beam (111) to drive the clamping jaw assemblies to move in opposite directions; two sets of the clamping jaw assemblies (23) are arranged on opposite sides of the placement table (214), and are respectively mounted on the two clamping ends of the clamping cylinder (22) to clamp or release the square lithium battery; The clamping jaw assembly (23) comprises a clamping jaw (231), a buffer block (232), a pressure sensor (233) and a pressure sensor bracket (234); the clamping end of each clamping cylinder (22) is equipped with a clamping jaw (231), and the two clamping jaws (231) are maintained on two sides directly facing the placement platform (214); the buffer block (232) is installed on the inner contact surface of the clamping jaw (231); the pressure sensor (233) is installed on the clamping jaw (231) through the pressure sensor bracket (234), and the pressure detection end of the clamping jaw (231) faces the square lithium battery on the placement platform (214).
2. A square lithium battery width detection device as claimed in claim 1, Features: The sliding support frame (11) comprises a first bottom plate (112), a second bottom plate (113) and a square tube support assembly, wherein the square tube support assembly is composed of an inverted U-shaped support column (114) and a sliding beam (111), and both ends of the sliding beam (111) are respectively mounted on the first bottom plate (112) and the second bottom plate (113) via one of the inverted U-shaped support columns (114), and the sliding beam (111) is kept parallel to the first bottom plate (112) and the second bottom plate (113).
3. A square lithium battery width detection device as claimed in claim 2, Features: The servo module (12) comprises a servo motor (121) and a linear module (122); two ends of the linear module (122) are respectively mounted on the first base plate (112) and the second base plate (113), and a guide track of the linear module (122) is parallel to the sliding beam (111); a power input end of the linear module (122) is connected to a power output end of the servo motor (121), and a moving part of the linear module (122) is connected to the U-shaped connecting frame (131).
4. A square lithium battery width detection device as claimed in claim 3, Features: The U-shaped connecting frame (131) comprises a bottom connecting plate (1311) and an L-shaped support seat (1312), wherein the bottom connecting plate (1311) is fixedly connected to the moving part of the linear module (122), and an L-shaped support seat (1312) is installed at each end of the bottom connecting plate (1311), and two sets of the L-shaped support seats (1312) are arranged on both sides of the sliding beam (111).
5. A square lithium battery width detection device as claimed in claim 4, Features: The support frame (21) comprises a support platform (211), an I-shaped bracket (212), a support plate (213) and a placement platform (214); the support platform (211) is fixedly mounted on the sliding beam (111); the support plate (213) is mounted on the support platform (211) via the I-shaped bracket (212); and a space for mounting the clamping cylinder (22) is reserved between the support plate (213) and the support platform (211); and the placement platform (214) is horizontally mounted on the surface of the support plate (213).
6. A square lithium battery width detection device as claimed in claim 2, Features: A drag chain groove (116) is installed between the first bottom plate (112) and the second bottom plate (113); the drag chain groove (116) is parallel to the linear module (122) of the servo module (12), and a drag chain (117) is installed in the drag chain groove (116).
7. A square lithium battery width detection device as claimed in claim 3, Features: The square lithium battery width detection device further comprises a data processor (3), wherein a first signal input terminal of the data processor (3) is signal-connected to a signal output terminal of the displacement sensor (132) for determining whether the square lithium battery width dimension is qualified according to the received square lithium battery width data; a signal output terminal of the pressure sensor (233) is signal-connected to a second signal input terminal of the data processor (3) for detecting whether a battery is inserted or clamped in place; a first control signal output terminal of the data processor (3) is electrically connected to a signal input terminal of the clamping cylinder (22) for sending a signal to the clamping cylinder (22) indicating whether the battery is clamped or released; and a second control signal output terminal of the data processor (3) is electrically connected to a signal input terminal of the servo motor (121) for controlling the position of the displacement sensor (132) to detect the width of the square lithium battery.
