CN116105653A - Lithium battery thickness detection device - Google Patents

Lithium battery thickness detection device Download PDF

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Publication number
CN116105653A
CN116105653A CN202211628326.XA CN202211628326A CN116105653A CN 116105653 A CN116105653 A CN 116105653A CN 202211628326 A CN202211628326 A CN 202211628326A CN 116105653 A CN116105653 A CN 116105653A
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CN
China
Prior art keywords
lithium battery
detection
material moving
pressing
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211628326.XA
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Chinese (zh)
Inventor
张大伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Qike Mude Electromechanical Technology Co ltd
Original Assignee
Wuxi Qike Mude Electromechanical Technology Co ltd
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Publication date
Application filed by Wuxi Qike Mude Electromechanical Technology Co ltd filed Critical Wuxi Qike Mude Electromechanical Technology Co ltd
Priority to CN202211628326.XA priority Critical patent/CN116105653A/en
Publication of CN116105653A publication Critical patent/CN116105653A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention relates to a lithium battery detection device, in particular to a lithium battery thickness detection device, which comprises a displacement sensor and further comprises: the displacement sensor is arranged on the detection frame; the material moving device is positioned at the bottom of the detection frame; the positioning device is arranged on the material moving device and used for positioning the lithium battery; the compressing device is arranged on the detection frame, is positioned above the material moving device and is movably connected with the displacement sensor; the force balancing device is arranged on the detection frame and connected with the compressing device and used for controlling the force of the compressing device for compressing the lithium battery; the material moving device is used for moving the positioning device from the outer side of the detection frame to the lower side of the pressing device. The lithium battery thickness detection device provided by the invention realizes the compaction of the battery through the compaction device and the force balance device, can ensure reliable thickness measurement, ensures the accuracy and reliability of a detection structure, can avoid crushing the battery, and has high detection efficiency.

Description

Lithium battery thickness detection device
Technical Field
The invention relates to a lithium battery detection device, in particular to a lithium battery thickness detection device.
Background
As the requirement for multiple thicknesses of electronic products becomes higher, the requirement for the thickness of lithium batteries becomes higher. In order to ensure the quality of the product, accurate measurement of the thickness of the lithium battery is required. Currently, the thickness of a lithium battery is measured by using a caliper or a height gauge, but the caliper or the height gauge has low measurement efficiency and can easily read data. The mechanism for measuring the thickness of the lithium battery disclosed in the Chinese patent CN113739734A can detect the width of the lithium battery through the width measuring mechanism while detecting the thickness of the lithium battery, and can improve the detection efficiency, but has a complex structure and is inconvenient to place.
Disclosure of Invention
In order to solve the problems, the invention provides a lithium battery thickness detection device which has the advantages of simple structure, convenient battery measurement, high measurement precision and small influence on a battery, and the specific technical scheme is as follows:
the utility model provides a lithium cell thickness detection device, includes displacement sensor, still includes: the displacement sensor is arranged on the detection frame; the material moving device is positioned at the bottom of the detection frame; the positioning device is arranged on the material moving device and is used for positioning the lithium battery; the compressing device is arranged on the detection frame, is positioned above the material moving device and is movably connected with the displacement sensor; the force balancing device is arranged on the detection frame, connected with the compressing device and used for controlling the force of the compressing device for compressing the lithium battery; the material moving device is used for moving the positioning device from the outer side of the detection frame to the lower side of the pressing device.
Preferably, the material transferring device comprises: the material moving base is slidably positioned at the bottom of the detection frame, and the positioning device is arranged on the material moving base; and the material moving cylinder is connected with the material moving base and used for driving the material moving base to reciprocate.
Further, the automatic feeding device also comprises a lower pressing plate made of ceramics, wherein the lower pressing plate is fixed on the material moving base, and the positioning device is arranged on the lower pressing plate.
Preferably, the positioning device includes: a front positioning plate; the rear positioning plate is arranged opposite to the front positioning plate, and the front positioning plate and the side positioning plate are respectively positioned at two ends of the lithium battery; and the side positioning plates are positioned between the front positioning plate and the rear positioning plate and positioned on two sides of the lithium battery.
Further, a waist-shaped rear adjusting groove is formed in the rear positioning plate; the side locating plate is provided with a kidney-shaped side adjusting groove, and the side adjusting groove is perpendicular to the rear adjusting groove.
Preferably, the compressing device includes: the compression cylinder is fixed on the detection frame; the lifting rod is slidably arranged on the detection frame and is connected with the compression cylinder; the pressing bottom plate is arranged at the bottom of the lifting rod and used for pressing the lithium battery; and the detection plate is arranged on the lifting rod and is opposite to the displacement sensor.
Further, the device also comprises an upper pressing plate made of ceramics, and the upper pressing plate is arranged on the pressing bottom plate.
Preferably, the force balancing device includes: the balance frame is arranged on the detection frame; the balance pulleys are arranged at two ends of the balance frame; one end of the balance stay rope is connected with the pressing device and penetrates through the two balance pulleys; and the weight is connected with the other end of the balance stay cord.
Preferably, the balance pulley further comprises a limiting block, wherein a limiting groove is formed in the limiting block, the limiting block is fixed on the balance frame, and the balance pulley is movably inserted into the limiting groove.
Preferably, the device further comprises a code scanner, wherein the code scanner is arranged on the detection frame and is arranged opposite to the positioning device positioned outside the detection frame.
Compared with the prior art, the invention has the following beneficial effects:
the lithium battery thickness detection device provided by the invention realizes the compaction of the battery through the compaction device and the force balance device, can ensure reliable thickness measurement, ensures the accuracy and reliability of a detection structure, can avoid crushing the battery, and has high detection efficiency.
Drawings
Fig. 1 is a schematic structural view of a lithium battery thickness detection device;
FIG. 2 is a side view of a lithium battery thickness detection device;
FIG. 3 is a top view of a lithium battery thickness detection device;
FIG. 4 is a schematic diagram of the assembly structure of the transfer device and the positioning device;
FIG. 5 is a schematic view of an assembled structure of the hold-down device and the force balancing device;
FIG. 6 is a side view of the drawing;
fig. 7 is a schematic diagram of a code scanner mounted on a code scanning frame.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 6, a lithium battery thickness detection device comprises a displacement sensor 71, a detection frame 12, a material moving device 2, a positioning device 6, a pressing device 3 and a force balancing device 4.
The detection frame 12 is mounted on the detection base plate 11. The detecting rack 12 is provided with a lifting fixing plate 33, and the lifting fixing plate 33 is located at one side of the detecting groove 121 of the detecting rack 12. The displacement sensor 71 is mounted on the elevation fixing plate 33 through a sensor bracket 72.
The lithium battery is moved to the detection station from the feeding station by the material moving device 2, so that the lithium battery is convenient to detect. The material moving device 2 comprises a material moving base 21, a material moving cylinder 22 and a lower pressing plate 23. The material moving base 21 is slidably mounted on the detection bottom plate 11 through a linear guide rail pair. The material shifting cylinder 22 is fixed on the detection bottom plate 11, and a piston rod of the material shifting cylinder 22 is connected with one side of the material shifting base 21. The lower pressing plate 23 is fixed on the top of the material moving base 21, and the lower pressing plate 23 is made of zirconia ceramics. The detection bottom plate 11 is also provided with a positioning seat 24, the positioning seat 24 is provided with a buffer 25 and a positioning screw 26 which are arranged opposite to the material moving base 21, the buffer 25 buffers the material moving base 21, and the positioning screw 26 realizes the accurate positioning of the material moving base 21, thereby ensuring that the lithium battery is positioned at the central position of detection.
The positioning device 6 comprises a front positioning plate 61, a rear positioning plate 62 and a side positioning plate 63 which are all installed on the lower pressing plate 23 through screws, wherein the front positioning plate 61 and the side positioning plate 63 are respectively positioned at two ends of a lithium battery, the front positioning plate 61 is transversely arranged, the rear positioning plate 62 is longitudinally arranged, a kidney-shaped rear adjusting groove 512621 is formed in the rear positioning plate 62, the rear adjusting groove 512621 is fixed on the material moving base 21 through screws, and the rear adjusting groove 512621 is used for adjusting the distance between the rear positioning plate 62 and the front positioning plate 61. The side positioning plates 63 are positioned between the front positioning plate 61 and the rear positioning plate 62 and positioned at both sides of the lithium battery; the side positioning plate 63 is provided with a kidney-shaped side adjusting groove 512631, the side adjusting groove 512631 is perpendicular to the rear adjusting groove 512621 and is used for adjusting the width, and the side adjusting groove 512631 is fixed on the material moving base 21 through a screw. The lower pressing plate 23 is provided with a through hole matched with the screw.
The pressing device 3 includes a pressing cylinder 31, a lifting rod 32, a pressing bottom plate 34, a detection plate 32, and an upper pressing plate 35. The compaction cylinder 31 is fixed at the top of the detection frame 12 and is positioned at the other side of the detection groove 121, a piston rod of the compaction cylinder 31 is connected with the lifting rod 32, the lifting rod 32 is slidably mounted on the lifting fixing plate 33 through the linear guide rail pair and is lifted along the vertical direction, and the lifting rod 32 is movably inserted in the detection groove 121. The detection plate 32 is mounted on the top of the lifting lever 32 and is movably abutted against the detection lever of the displacement sensor 71 for pushing the detection lever to detect the lifting distance. The pressing bottom plate 34 is fixed at the bottom of the lifting rod 32, the lower pressing plate 23 is fixed on the pressing bottom plate 34, and the lower pressing plate 23 is made of zirconia ceramics and is arranged opposite to the upper pressing plate 35.
The force balancing device 4 comprises a balancing stand 41, a balancing pulley 42, a balancing stay rope, weights 43 and a limiting block 44. The balance frame 41 is fixed at the top of the lifting fixing plate 33, the balance pulleys 42 are arranged at two ends of the balance frame 41, the limiting blocks 44 are fixed at two ends of the balance frame 41, limiting grooves 444 are formed in the limiting blocks 44, and the balance pulleys 42 are movably arranged in the limiting grooves 444. One end of the balance stay rope is fixed at the top of the lifting rod 32 through a stay rope rod 45, the other end of the balance stay rope is connected with the weight 43, the balance stay rope penetrates through the two balance pulleys 42, the balance stay rope is further located in a limit groove 444, and the limit groove 444 prevents the balance stay rope from sliding out of the balance pulleys 42. The weight 43 can be adjusted according to different pressures, and the weight 43 is used for balancing the pressing force of the pressing cylinder 31. The pressure of the existing cylinder is usually regulated by a pressure regulating valve, but the pressure regulation is inaccurate in the mode, and too small pressure can cause that the compression cylinder 31 cannot stretch normally, so that the stretching speed of the compression cylinder 31 is influenced, and further the detection accuracy and the detection efficiency are influenced; the weight 43 balances the pressure, so that the normal operation of the compression cylinder 31 can be ensured, the rapid expansion and contraction of the compression cylinder 31 can be ensured, and the pressure on the lithium battery can be effectively controlled. The weight 43 can be adjusted according to the required pressure, and the adjustment is convenient. The weight 43 can also effectively reduce the speed of pressing the air cylinder 31 to the lithium battery, avoid impact force on the lithium battery, effectively protect the lithium battery and improve the detection safety. The conventional damper 25 can reduce the impact force of the pressing cylinder 31, but cannot control the pressure of the pressing cylinder 31, and the weight 43 can reduce the impact force of the pressing cylinder 31 and control the pressure. The pressure of the pressing cylinder 31 is the product of the air pressure and the active area, and the product minus the gravity of the weight 43 is the force for pressing the lithium battery.
During operation, the thickness gauge 73 is placed in the positioning device 6, the material moving cylinder 22 is started, the thickness gauge 73 is moved to the position below the pressing device 3, then the pressing cylinder 31 is started, the pressing cylinder 31 presses the upper pressing plate 35 on the thickness gauge 73, the displacement sensor 71 is calibrated, a zero position is set, then the pressing cylinder 31 and the material moving cylinder 22 are retracted in sequence, the thickness gauge 73 is taken down, a lithium battery is installed, the material moving cylinder 22 is started, the lithium battery is moved to the position below the upper pressing plate 35, the pressing cylinder 31 is started again, the upper pressing plate 35 is driven by the pressing cylinder 31 to descend and press the lithium battery, the weight 43 is lifted along with the lifting rod 32, the weight 43 controls the descending speed of the upper pressing plate 35, and controls the pressure of the upper pressing plate 35 to press the lithium battery, when the upper pressing plate 35 presses the lithium battery, the detection plate 32 pushes the detection rod of the displacement sensor 71, the displacement sensor 71 detects the difference between the upper pressing plate and the thickness gauge 73, the lithium battery is obtained, whether the lithium battery is qualified or not is judged according to whether the displayed thickness gauge is in a range, if the lithium battery is qualified, the lithium battery is not qualified or not is detected by the zero position, and if the lithium battery is not qualified, the lithium battery is moved to the zero position beyond the tolerance frame 12, and the lithium battery is not qualified, and the lithium battery is moved to the lithium frame after the lithium battery is completely detected. Because detect after compressing tightly the lithium cell, the result of detection is accurate, reliable, and the speed of detection is fast simultaneously, and the lithium cell dress is got conveniently.
The displacement sensor 71 adopts the Kidney GT-H10L, the detection precision is high, the detected data can be collected through an upper computer and a PLC program, the weights 43 balance the pressure of the upper pressing plate 35 for pressing the lithium battery, the different pressures are matched with weights 43 with different weights, the upper pressing plate 35 and the lower pressing plate 23 use zirconia ceramics, the zirconia ceramics has the advantages of high insulation resistance, voltage resistance, high strength, good thermal conductivity, low dielectric loss, high processing precision and abrasion resistance, and the high accuracy of the detection data can be ensured.
The time for detecting the thickness of the battery is reduced after the production is put into operation, the productivity is increased, and the thickness data of each battery can be collected, so that the follow-up rapid battery inspection is convenient.
Example two
As shown in fig. 1 to 7, on the basis of the first embodiment, the device further comprises a code scanner 5 and a code scanner frame, the code scanner frame comprises a code scanner seat 52, a code scanner upright 53, a code scanner connecting seat 54 and a code scanner adjusting seat 55, the code scanner upright 53 is made of aluminum profiles and is installed on the detection bottom plate 11 through the code scanner connecting seat 54, the code scanner seat 52 is installed on the code scanner upright 53 through the code scanner adjusting seat 55, the code scanner seat 52 can be adjusted in height through the code scanner adjusting seat 55, one end of the code scanner seat 52 is provided with a rotating hole 511 and a fan-shaped adjusting groove 512, the adjusting groove 512 is coaxial with the rotating hole 511, the rotating hole 511 is connected with the code scanner adjusting seat 55 in a rotating mode through a shaft, the adjusting groove 512 is fixed on the code scanner adjusting seat 55 through a screw, the code scanner 5 is installed on the code scanner seat 52 and is oppositely arranged with the positioning device 6 at a feeding station, and is used for scanning two-dimensional codes or bar codes on a lithium battery, and the detection result corresponds to the lithium battery one by one. The code scanner 5 may employ a ken SR710. The code scanning seat 52 and the code scanning adjusting seat 55 can adjust the angle of the code scanning device 5, so that the code scanning device 5 can accurately scan the two-dimensional code or the bar code on the lithium battery.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will occur to those skilled in the art from consideration of the specification and practice of the invention without the need for inventive faculty, and are within the scope of the claims.

Claims (10)

1. A lithium battery thickness detection device, comprising a displacement sensor (71), characterized in that it further comprises:
a detection frame (12), the displacement sensor (71) being mounted on the detection frame (12);
the material moving device (2) is positioned at the bottom of the detection frame (12);
the positioning device (6) is arranged on the material moving device (2) and is used for positioning the lithium battery;
the pressing device (3) is arranged on the detection frame (12), is positioned above the material moving device (2), and is movably connected with the displacement sensor (71); a kind of electronic device with high-pressure air-conditioning system
The force balancing device (4) is arranged on the detection frame (12) and connected with the pressing device (3) and used for controlling the force of the pressing device (3) for pressing the lithium battery;
the material moving device (2) is used for moving the positioning device (6) from the outer side of the detection frame (12) to the lower side of the pressing device (3).
2. The lithium battery thickness detection device according to claim 1, wherein the material moving device (2) comprises:
the material moving base (21), the material moving base (21) is slidably positioned at the bottom of the detection frame (12), and the positioning device (6) is arranged on the material moving base (21); a kind of electronic device with high-pressure air-conditioning system
And the material moving cylinder (22) is connected with the material moving base (21) and used for driving the material moving base (21) to reciprocate.
3. The lithium battery thickness detection device according to claim 2, further comprising a lower pressing plate (23) made of ceramic, wherein the lower pressing plate (23) is fixed on the material moving base (21), and the positioning device (6) is mounted on the lower pressing plate (23).
4. A lithium battery thickness detection device according to claim 1, characterized in that the positioning means (6) comprise:
a front positioning plate (61);
the rear positioning plate (62), the rear positioning plate (62) is arranged opposite to the front positioning plate (61), and the front positioning plate (61) and the side positioning plate (63) are respectively positioned at two ends of the lithium battery; a kind of electronic device with high-pressure air-conditioning system
And the side positioning plates (63) are positioned between the front positioning plate (61) and the rear positioning plate (62) and positioned on two sides of the lithium battery.
5. The lithium battery thickness detection device according to claim 4, wherein the rear positioning plate (62) is provided with a kidney-shaped rear adjustment groove (512) (621); a kidney-shaped side adjusting groove (512) (631) is formed in the side positioning plate (63), and the side adjusting groove (512) (631) is perpendicular to the rear adjusting groove (512) (621).
6. A lithium battery thickness detection device according to any one of claims 1 to 5, characterized in that the compacting device (3) comprises:
the pressing cylinder (31), the said pressing cylinder (31) is fixed on said detection frame (12);
the lifting rod (32) is slidably arranged on the detection frame (12) and is connected with the compression cylinder (31);
the pressing bottom plate (34) is arranged at the bottom of the lifting rod (32) and used for pressing the lithium battery; a kind of electronic device with high-pressure air-conditioning system
And a detection plate (32), wherein the detection plate (32) is installed on the lifting rod (32) and is arranged opposite to the displacement sensor (71).
7. The lithium battery thickness detection device according to claim 6, further comprising an upper pressing plate (35) made of ceramic, wherein the upper pressing plate (35) is mounted on the pressing bottom plate (34).
8. A lithium battery thickness detection device according to any one of claims 1 to 5, characterized in that the force balancing device (4) comprises:
a balancing stand (41), the balancing stand (41) being mounted on the detection stand (12);
balance pulleys (42), wherein the balance pulleys (42) are arranged at two ends of the balance frame (41);
one end of the balance stay rope is connected with the pressing device (3) and penetrates through the two balance pulleys (42); a kind of electronic device with high-pressure air-conditioning system
And the weight (43) is connected with the other end of the balance stay cord.
9. The lithium battery thickness detection device according to claim 8, further comprising a limiting block (44), wherein a limiting groove (444) is formed in the limiting block (44), the limiting block (44) is fixed on the balancing frame (41), and the balancing pulley (42) is movably inserted into the limiting groove (444).
10. The lithium battery thickness detection device according to any one of claims 1 to 5, further comprising a code scanner (5), wherein the code scanner (5) is mounted on the detection frame (12) and is disposed opposite to a positioning device (6) located outside the detection frame (12).
CN202211628326.XA 2022-12-17 2022-12-17 Lithium battery thickness detection device Pending CN116105653A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211628326.XA CN116105653A (en) 2022-12-17 2022-12-17 Lithium battery thickness detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211628326.XA CN116105653A (en) 2022-12-17 2022-12-17 Lithium battery thickness detection device

Publications (1)

Publication Number Publication Date
CN116105653A true CN116105653A (en) 2023-05-12

Family

ID=86258865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211628326.XA Pending CN116105653A (en) 2022-12-17 2022-12-17 Lithium battery thickness detection device

Country Status (1)

Country Link
CN (1) CN116105653A (en)

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