CN105674933A - Lithium battery thickness measuring system - Google Patents

Lithium battery thickness measuring system Download PDF

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Publication number
CN105674933A
CN105674933A CN201610169627.9A CN201610169627A CN105674933A CN 105674933 A CN105674933 A CN 105674933A CN 201610169627 A CN201610169627 A CN 201610169627A CN 105674933 A CN105674933 A CN 105674933A
Authority
CN
China
Prior art keywords
voice coil
guide rail
coil loudspeaker
loudspeaker voice
lithium battery
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.)
Granted
Application number
CN201610169627.9A
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Chinese (zh)
Other versions
CN105674933B (en
Inventor
李新宏
张凡
赵保恩
郑文英
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.)
Dongguan gongzhi Technology Co.,Ltd.
Original Assignee
Dongguan City Jun Zhi Electromechanical Technology Co Ltd
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Publication date
Application filed by Dongguan City Jun Zhi Electromechanical Technology Co Ltd filed Critical Dongguan City Jun Zhi Electromechanical Technology Co Ltd
Priority to CN201610169627.9A priority Critical patent/CN105674933B/en
Publication of CN105674933A publication Critical patent/CN105674933A/en
Application granted granted Critical
Publication of CN105674933B publication Critical patent/CN105674933B/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02Measuring 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
    • G01B21/08Measuring 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention provides a lithium battery thickness measuring system, comprising an X-axial guide rail, a Y-axial guide rail, a Z-axial guide rail, a cam lifting mechanism, and a voice coil pushing mechanism. The Y-axial guide rail is in slip connection with the Y-axial guide rail, and can slide along the X-axial guide rail; the Z-axial guide rail is in slip connection with the Y-axial guide rail, and can slide along the Y-axial guide rail; the cam lifting mechanism is in fixed connection with the Z-axial guide rail, and is provided with a vertical guide rail; the vertical guide rail is provided with a pushing head which slides along the vertical guide; the voice coil pushing mechanism is in slip connection with the Z-axial guide rail, and can slide up and down along the Z-axial guide rail. The lithium battery thickness measuring system can accurately control the pressure on an object to be measured, and the precision can be +/-0.5g; the thickness measured value precision is as high as +/-0.3 mm. The lithium battery thickness measuring system is suitable for the thickness measurement at different positions, and has a short measurement period.

Description

A kind of lithium battery thickness measurement system
Technical field
The present invention relates to a kind of lithium battery thickness measurement system.
Background technology
In prior art, a kind of lithium battery thickness measurement system is that motor direct-drive is measured pressure head, and contact pressure and measurement one-tenth-value thickness 1/10 are obtained indirectly by motor, and certainty of measurement is low, error is big, it is long to measure the cycle.
In prior art, another kind of lithium battery thickness measurement system is that motor direct-drive is measured pressure head, and contact pressure is read by measuring sensor, measures one-tenth-value thickness 1/10 and is indirectly obtained by motor, and certainty of measurement is low, and error is big, measures the cycle long.
Summary of the invention
The present invention proposes a kind of lithium battery thickness measurement system, solves measurement the measuring precision of the prior art low, and error is big, measures the defects such as cycle length.
The technical scheme is that and be achieved in that: a kind of lithium battery thickness measurement system, including X-axis guide rail, Y-axis guide rail, Z axis guide rail, cam Shang Ding mechanism and voice coil loudspeaker voice coil press mechanism, described Y-axis guide rail is connected with described X-axis slide, described Y-axis guide rail can along described X-axis slide, described Z axis guide rail is connected with described Y-axis slide, and described Z axis guide rail can along described Y-axis slide, described cam Shang Ding mechanism is fixing with described Z axis guide rail to be connected, and described cam Shang Ding mechanism is provided with upright guide rail, and described upright guide rail is provided with push-down head, and described push-down head slides along described upright guide rail, described voice coil loudspeaker voice coil press mechanism is connected with described Z axis slide, described voice coil loudspeaker voice coil press mechanism can slide up and down along Z axis guide rail, described voice coil loudspeaker voice coil press mechanism includes take-up housing, displacement transducer, voice coil motor, sliding shoe, force cell and seaming chuck, described take-up housing is connected with described Z axis slide, institute's displacement sensors is connected with described sliding shoe, described take-up housing is provided with line slideway, described sliding shoe and described line slideway are slidably connected, described sliding shoe is sequentially connected with force cell and seaming chuck, the mover of described voice coil motor is connected with described sliding shoe, the stator of described voice coil motor is connected with described take-up housing.
Further, described cam Shang Ding mechanism includes mechanism base and cam, and described mechanism base is fixing with described Z axis guide rail to be connected, and described cam is connected with the outfan of servomotor, and push-down head described in described actuated by cams moves along upright guide rail.
Further, described voice coil loudspeaker voice coil press mechanism also includes voice coil loudspeaker voice coil stator seat and voice coil loudspeaker voice coil mover seat, described voice coil loudspeaker voice coil stator seat is connected with described take-up housing, the stator of described voice coil motor is connected with described voice coil loudspeaker voice coil stator seat, described voice coil motor mover be connected with described voice coil loudspeaker voice coil mover seat, institute's displacement sensors is plugged in described voice coil loudspeaker voice coil mover seat, and described voice coil loudspeaker voice coil mover seat is connected with described sliding shoe.
Further, described voice coil loudspeaker voice coil press mechanism also includes force adjustment screw rod, spring Mobile base, extension spring, described force adjustment screw rod is plugged in described voice coil loudspeaker voice coil stator seat, described force adjustment screw rod is threadeded with described spring Mobile base, described spring Mobile base is connected with one end of described extension spring, and the other end of described extension spring is connected with described sliding shoe.
Further, institute's displacement sensors is plugged in described voice coil loudspeaker voice coil stator seat.
Further, it is provided with pressing head seat between described force cell and seaming chuck.
The invention have the benefit that the lithium battery thickness measurement system of the present invention acts on the pressure on object to be measured and can accurately control, precision reaches ± 0.5g; Thickness measurements precision is high, reaches ± 0.003mm; Can be suitably used for different-thickness, the thickness measure of diverse location; Can continuously to the same multiple position measurement of measurement object; Software Based Intelligent Control, automaticity is high; Servomotor, voice coil motor is adopted to drive, high acceleration, measure the cycle short.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the perspective view of a kind of one embodiment of lithium battery thickness measurement system of the present invention;
Fig. 2 is the fractionation structural representation of lithium battery thickness measurement system shown in Fig. 1;
Fig. 3 is the fractionation structural representation of the voice coil loudspeaker voice coil press mechanism of lithium battery thickness measurement system shown in Fig. 1;
Fig. 4 is the perspective view of lithium battery;
The structural representation that Fig. 5 is combined with measuring table when being the measurement of lithium battery thickness measurement system shown in Fig. 1;
In accompanying drawing: 1-take-up housing; 2-line slideway; 3-displacement transducer; 4-adjusting screw rod; 5-voice coil loudspeaker voice coil stator seat; 6-spring Mobile base; 7-voice coil motor; 8-extension spring; 9-voice coil loudspeaker voice coil mover seat; 15-sliding shoe; 16-force cell; 17-pressing head seat; 18-seaming chuck; 21-X axis rail; 22-Y axis rail; 23-Z axis rail; 24-cam Shang Ding mechanism; 241-push-down head; 25-voice coil loudspeaker voice coil press mechanism; 31-lithium battery; 311-anode ear; 312-negative electrode lug.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
As Figure 1-3, a kind of lithium battery thickness measurement system, including X-axis guide rail 21, Y-axis guide rail 22, Z axis guide rail 23, cam Shang Ding mechanism 24 and voice coil loudspeaker voice coil press mechanism 25, described Y-axis guide rail 22 is slidably connected with described X-axis guide rail 21, described Y-axis guide rail 22 can slide along described X-axis guide rail 21, described Z axis guide rail 23 is slidably connected with described Y-axis guide rail 22, and described Z axis guide rail 23 can slide along described Y-axis guide rail 22, described cam Shang Ding mechanism 24 is fixing with described Z axis guide rail 23 to be connected, and described cam Shang Ding mechanism 24 is provided with upright guide rail, and described upright guide rail is provided with push-down head 241, and described push-down head 241 slides along described upright guide rail, described voice coil loudspeaker voice coil press mechanism 25 is slidably connected with described Z axis guide rail 23, described voice coil loudspeaker voice coil press mechanism 25 can slide up and down along Z axis guide rail 23, described voice coil loudspeaker voice coil press mechanism 25 includes take-up housing 1, displacement transducer 3, voice coil motor 7, sliding shoe 15, force cell 16 and seaming chuck 18, described take-up housing 1 is slidably connected with described Z axis guide rail 23, institute's displacement sensors 3 is connected with described sliding shoe 15, described take-up housing 1 is provided with line slideway 2, described sliding shoe 15 is slidably connected with described line slideway 2, described sliding shoe 15 is sequentially connected with force cell 16 and seaming chuck 18, the mover of described voice coil motor 7 is connected with described sliding shoe 15, the stator of described voice coil motor 7 is connected with described take-up housing 1.
Described cam Shang Ding mechanism 24 includes mechanism base and cam, and described mechanism base is fixing with described Z axis guide rail 23 to be connected, and described cam is connected with the outfan of servomotor, and described in described actuated by cams, push-down head 241 moves along upright guide rail.
Described voice coil loudspeaker voice coil press mechanism 25 also includes voice coil loudspeaker voice coil stator seat 5 and voice coil loudspeaker voice coil mover seat 9, described voice coil loudspeaker voice coil stator seat 5 is connected with described take-up housing 1, the stator of described voice coil motor 7 is connected with described voice coil loudspeaker voice coil stator seat 5, described voice coil motor 7 mover be connected with described voice coil loudspeaker voice coil mover seat 9, institute's displacement sensors 3 is plugged in described voice coil loudspeaker voice coil mover seat 9, and described voice coil loudspeaker voice coil mover seat 9 is connected with described sliding shoe 15.
Described voice coil loudspeaker voice coil press mechanism 25 also includes force adjustment screw rod 4, spring Mobile base 6, extension spring 8, described force adjustment screw rod 4 is plugged in described voice coil loudspeaker voice coil stator seat 5, described force adjustment screw rod 4 is threadeded with described spring Mobile base 6, described spring Mobile base 6 is connected with one end of described extension spring 8, and the other end of described extension spring 8 is connected with described sliding shoe 15.
Institute's displacement sensors 3 is plugged in described voice coil loudspeaker voice coil stator seat 5.
It is provided with pressing head seat 17 between described force cell 16 and seaming chuck 18.
As shown in Figure 4,5, the operation principle of the lithium battery thickness measurement system of the present invention is as follows:
Move and correct push-down head upper surface with measuring table upper surface in the same plane, move down seaming chuck lower surface distance push-down head upper surface 0.5mm, mobile voice coil loudspeaker voice coil press mechanism, push-down head is made to contact, force value when the upper push-down head of force cell feedback contacts, adjust this force value size by voice coil motor until preset value, now read to obtain displacement transducer display numerical value D1.
Upper push-down head contacts with object upper and lower surface to be measured, and voice coil motor drives seaming chuck to increase the pressure acting on object to be measured, and force cell feedback measures end pressure, and output pressure is adjusted by voice coil motor in real time, until it reaches preset value. Now read displacement transducer display numerical value D2, object thickness D=D2-D1 to be measured can be measured.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (6)

1. a lithium battery thickness measurement system, it is characterized in that: include X-axis guide rail, Y-axis guide rail, Z axis guide rail, cam Shang Ding mechanism and voice coil loudspeaker voice coil press mechanism, described Y-axis guide rail is connected with described X-axis slide, described Y-axis guide rail can along described X-axis slide, described Z axis guide rail is connected with described Y-axis slide, and described Z axis guide rail can along described Y-axis slide, described cam Shang Ding mechanism is fixing with described Z axis guide rail to be connected, and described cam Shang Ding mechanism is provided with upright guide rail, and described upright guide rail is provided with push-down head, and described push-down head slides along described upright guide rail, described voice coil loudspeaker voice coil press mechanism is connected with described Z axis slide, described voice coil loudspeaker voice coil press mechanism can slide up and down along Z axis guide rail, described voice coil loudspeaker voice coil press mechanism includes take-up housing, displacement transducer, voice coil motor, sliding shoe, force cell and seaming chuck, described take-up housing is connected with described Z axis slide, institute's displacement sensors is connected with described sliding shoe, described take-up housing is provided with line slideway, described sliding shoe and described line slideway are slidably connected, described sliding shoe is sequentially connected with force cell and seaming chuck, the mover of described voice coil motor is connected with described sliding shoe, the stator of described voice coil motor is connected with described take-up housing.
2. lithium battery thickness measurement system as claimed in claim 1, it is characterized in that: described cam Shang Ding mechanism includes mechanism base and cam, described mechanism base is fixing with described Z axis guide rail to be connected, described cam is connected with the outfan of servomotor, and push-down head described in described actuated by cams moves along upright guide rail.
3. lithium battery thickness measurement system as claimed in claim 1, it is characterized in that: described voice coil loudspeaker voice coil press mechanism also includes voice coil loudspeaker voice coil stator seat and voice coil loudspeaker voice coil mover seat, described voice coil loudspeaker voice coil stator seat is connected with described take-up housing, the stator of described voice coil motor is connected with described voice coil loudspeaker voice coil stator seat, described voice coil motor mover be connected with described voice coil loudspeaker voice coil mover seat, institute's displacement sensors is plugged in described voice coil loudspeaker voice coil mover seat, and described voice coil loudspeaker voice coil mover seat is connected with described sliding shoe.
4. lithium battery thickness measurement system as claimed in claim 3, it is characterized in that: described voice coil loudspeaker voice coil press mechanism also includes force adjustment screw rod, spring Mobile base, extension spring, described force adjustment screw rod is plugged in described voice coil loudspeaker voice coil stator seat, described force adjustment screw rod is threadeded with described spring Mobile base, described spring Mobile base is connected with one end of described extension spring, and the other end of described extension spring is connected with described sliding shoe.
5. lithium battery thickness measurement system as claimed in claim 1, it is characterised in that: institute's displacement sensors is plugged in described voice coil loudspeaker voice coil stator seat.
6. lithium battery thickness measurement system as claimed in claim 1, it is characterised in that: it is provided with pressing head seat between described force cell and seaming chuck.
CN201610169627.9A 2016-03-22 2016-03-22 A kind of lithium battery thickness measurement system Active CN105674933B (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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CN105674933B CN105674933B (en) 2018-09-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113758454A (en) * 2021-08-30 2021-12-07 天津市捷威动力工业有限公司 Online thickness measuring device for battery cell packaging

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2842367Y (en) * 2005-05-26 2006-11-29 深圳市比克电池有限公司 Device for measuring thickness of cell
CN201251434Y (en) * 2008-08-15 2009-06-03 天津力神电池股份有限公司 Automatic thickness measuring device
US20120111103A1 (en) * 2009-07-28 2012-05-10 Toyota Jidosha Kabushiki Kaisha Detecting apparatus
CN203811137U (en) * 2014-03-28 2014-09-03 东莞市德瑞精密设备有限公司 Power lithium battery thickness measuring device
CN105081888A (en) * 2015-09-02 2015-11-25 上海交通大学 Two-dimensional vibration auxiliary laser scanning in-situ detection system and detection method thereof
CN205655814U (en) * 2016-03-22 2016-10-19 东莞市骏智机电科技有限公司 Lithium battery thickness measurement system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2842367Y (en) * 2005-05-26 2006-11-29 深圳市比克电池有限公司 Device for measuring thickness of cell
CN201251434Y (en) * 2008-08-15 2009-06-03 天津力神电池股份有限公司 Automatic thickness measuring device
US20120111103A1 (en) * 2009-07-28 2012-05-10 Toyota Jidosha Kabushiki Kaisha Detecting apparatus
CN203811137U (en) * 2014-03-28 2014-09-03 东莞市德瑞精密设备有限公司 Power lithium battery thickness measuring device
CN105081888A (en) * 2015-09-02 2015-11-25 上海交通大学 Two-dimensional vibration auxiliary laser scanning in-situ detection system and detection method thereof
CN205655814U (en) * 2016-03-22 2016-10-19 东莞市骏智机电科技有限公司 Lithium battery thickness measurement system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113758454A (en) * 2021-08-30 2021-12-07 天津市捷威动力工业有限公司 Online thickness measuring device for battery cell packaging
CN113758454B (en) * 2021-08-30 2024-02-27 天津市捷威动力工业有限公司 Online thickness measuring device for battery cell packaging

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Address after: 523000 Songshan Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Province, Room 417, Songhu Huake Industrial Incubation Park, Industrial South Road

Patentee after: DONGGUAN JUNZHI ELECTROMECHANICAL TECHNOLOGY CO.,LTD.

Address before: Room 413, 415, 417, 419 and 420, No. 6 Industrial South Road, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province

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Address before: Room 417, building 1, Songhu Huake industrial Incubation Park, Gongye South Road, Songshanhu hi tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000

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Denomination of invention: A lithium battery thickness measurement system

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