CN102519338A - Device for measuring thickness of battery - Google Patents
Device for measuring thickness of battery Download PDFInfo
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- CN102519338A CN102519338A CN201110451730XA CN201110451730A CN102519338A CN 102519338 A CN102519338 A CN 102519338A CN 201110451730X A CN201110451730X A CN 201110451730XA CN 201110451730 A CN201110451730 A CN 201110451730A CN 102519338 A CN102519338 A CN 102519338A
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Abstract
The invention discloses a device for measuring the thickness of a battery. The device comprises a base (1), wherein a to-be-measured battery is arranged at the top part of the base (1); the left end wall of the base (1) is connected with a side bracket (3); a dial gauge bracket (6) is transversally arranged on the left side at the top part of the side bracket (3); a dial gauge (13) is arranged at the top part on the right end of the dial gauge bracket (6); the bottom surface of the dial gauge (13) is connected with a dial gauge stick (14); and the dial gauge stick (14) is located right above the base (1). The invention discloses the device for measuring the thickness of the battery; and the device rapidly efficiently measures the thickness of the battery, can efficiently avoid measurement errors caused by the deformation of the battery, greatly improves the thickness measurement efficiency for the battery, further reduces the manufacture cost of the battery, improves the whole production quality of the battery, and broadens the market prospect of the battery manufacturer.
Description
Technical field
The present invention relates to the battery technology field, particularly relate to a kind of measurement mechanism of cell thickness.
Background technology
At present; Advantages such as lithium ion battery has the specific energy height, recycles often, storage time is long; Not only on portable electric appts, be used widely, and be widely used in big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool like mobile phone, DV and laptop computer.
For lithium ion battery, manufacturer need measure its thickness with slide calliper rule when dispatching from the factory, and to judge battery through measured value whether deformation takes place, thereby judges whether battery the opposite sex takes place, and avoids bad battery to come into the market, and improves the outgoing of battery.In view of battery when the deformation that takes place in various degree, the thickness of diverse location is inequality, the therefore existing thickness peak that is difficult to capture battery with the means of kind of calliper cell thickness; And the dynamics that is difficult to control survey, thus the actual (real) thickness of battery can't accurately be obtained, cause measuring error easily; Can't detect battery difference effectively; The appearance quality of control battery, efficiency of measurement is low simultaneously, badly influences the speed of production of battery.
Therefore, press at present and develop a kind of device, it can fast and effeciently be measured the thickness of battery, and the measuring error that can avoid battery deformation to cause effectively improves the thickness measure efficient of battery, and then improves the production quality of battery.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of measurement mechanism of cell thickness, it can fast and effeciently be measured the thickness of battery; The measuring error that can avoid battery deformation to cause effectively; Improve the thickness measure efficient of battery greatly, and then reduce the production cost of battery, improve the production quality of battery; Enlarge the market outlook of battery production producer, be of great practical significance.
For this reason; The invention provides a kind of measurement mechanism of cell thickness; Include base 1, said base 1 top is used to place the battery that needs are measured thickness, and the left end sidewall of said base 1 is connected with a side support 3; The top right side of said side support 3 is horizontally arranged with a dial indicators rack 6; The right-hand member top of said dial indicators rack 6 is provided with a clock gauge 13, and the bottom surface of said clock gauge 13 is connected with a clock gauge feeler 14, said clock gauge feeler 14 be positioned at said base 1 directly over.
Wherein, The right side of said side support 3 is provided with one first guide rail 10; Has first slide block 100 that can slide up and down on said first guide rail 10; Said first slide block 100 bottoms are connected with a press plate connection board 12, and said press plate connection board 12 bottoms are fixedly connected with a pressing plate 11, said pressing plate 11 be positioned at said base 1 directly over.
Wherein, the top right side of said first guide rail 10 is provided with a limited block 8, said limited block 8 be positioned at said first slide block 100 directly over.
Wherein, said clock gauge feeler 14 tops are run through said dial indicators rack 6 backs and are connected with the bottom surface of said clock gauge 13, and said clock gauge feeler 14 bottoms are run through said pressing plate 11 downwards and protruded in the bottom surface of said pressing plate 11.
Wherein, The left end side of said dial indicators rack 6 is provided with the wheel 18 that breaks away; Said dial indicators rack 6 tops are provided with a top sheave 20; Said dial indicators rack 6 has a through hole 60 on the right side of said top sheave 20, said through hole 60 be positioned at said first slide block 100 corresponding positions on;
The left side of said side support 3 is provided with one second guide rail 17; Has second slide block 170 that can slide up and down on said second guide rail 17; Said second slide block 170 left sides are fixedly connected with a balancing weight 21; Said balancing weight 21 tops are connected with an end of a line 16, and the other end of said line 16 strides across said sideslip wheel 18, top sheave 20 successively and runs through said through hole 60 backs and is connected with first slide block 100 on said first guide rail 10.
Wherein, the left end front side of said pressing plate 11 is connected with a handle 15.
Wherein, also be provided with a cylindrical bar 4 between said side support 3 left end sidewalls and the said base 1.
Visible by above technical scheme provided by the invention, compared with prior art, the invention provides a kind of measurement mechanism of cell thickness; It can fast and effeciently be measured the thickness of battery, and the measuring error that can avoid battery deformation to cause effectively improves the thickness measure efficient of battery greatly; And then the production cost of reduction battery; Improve the production quality of battery, enlarge the market outlook of battery production producer, be of great practical significance.
In addition, for the cell thickness measurement mechanism that patent of the present invention provides, it can regulate the control of pressure when measuring; Be applicable to the battery of different-thickness, when measuring,, select different pressure to the battery of different-thickness size; For the battery that deformation takes place; Can judge battery difference rapidly through measured value, avoid the circulation of bad battery, be of great practical significance.
The cell thickness measurement mechanism that provides for patent of the present invention; Measure the thickness of battery through clock gauge; Its measuring accuracy can be accurate to behind the radix point three, and cylindrical bar can be regulated the verticality between said side support and the base when measuring, and then regulates the parallel angle between pressing plate and the base; Can capture the thickest point of battery, the measuring error of having avoided battery deformation to cause.
The cell thickness measurement mechanism that provides for patent of the present invention; It can measure the thickest point of polymer battery through high precision guide rail and the higher upper and lower plates of flatness; Show institute's Thickness Measurement by Microwave value timely by clock gauge, constant pressure, it is high to measure consistent degree; Adjustable balance weight is applicable to the battery thickness measuring of multiple model.Avoided since institute's cell plane degree of surveying than hanging down different with ergometry, the measuring error that causes.
Description of drawings
Fig. 1 is the measurement mechanism of a kind of cell thickness provided by the invention perspective view when the place ahead is watched;
Fig. 2 is the left view of the measurement mechanism of a kind of cell thickness provided by the invention;
Fig. 3 is the measurement mechanism of a kind of cell thickness provided by the invention perspective view when rear side is watched;
Fig. 4 is the structural representation of side support in the measurement mechanism of a kind of cell thickness provided by the invention;
Fig. 5 is the synoptic diagram of the measurement mechanism center platen of a kind of cell thickness provided by the invention;
Among the figure: 1 is base, and 3 is the side support, and 4 is cylindrical bar, and 6 is dial indicators rack, and 60 is through hole; 8 is limited block, and 10 is first guide rail, and 100 is first slide block, and 12 is press plate connection board; 14 is the clock gauge feeler, and 15 is handle, and 16 is line, and 17 is second guide rail; 170 is second slide block, and 18 are the wheel that breaks away, and 20 is top sheave, and 21 is balancing weight.
Embodiment
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
Referring to Fig. 1, Fig. 2, the invention provides a kind of measurement mechanism of cell thickness, include base 1, said base 1 top is used to place the battery that needs are measured thickness.
In the present invention, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the left end sidewall of said base 1 is connected with a side support 3, is connected through bolt between said side support 3 and the said base 1.
In addition; Referring to Fig. 2, Fig. 3; Also be provided with a cylindrical bar 4 between said side support 3 left end sidewalls and the said base 1, the user can drive said side support 3 and rotate through rotating this cylindrical bar 4 vertically; Thereby regulate the verticality between said side support 3 and the base 1, and then regulate the depth of parallelism between pressing plate 11 and the base 1.
In the present invention; The left and right sides of said side support 3 is respectively arranged with one second guide rail 17 and one first guide rail 10; Have first slide block 100 that can slide up and down on said first guide rail 10, said first slide block 100 bottoms are connected with a press plate connection board 12, and said press plate connection board 12 bottoms are fixedly connected with a pressing plate 11; Said pressing plate 11 be positioned at said base 1 directly over, and be provided with at interval with base 1 top.
Referring to Fig. 1, Fig. 2, the problem of derailing appears when upwards sliding in order to prevent first slide block 100 on said first guide rail 10, the top right side of said first guide rail 10 is provided with a limited block 8, said limited block 8 be positioned at said first slide block 100 directly over.
In the present invention; Referring to Fig. 1, Fig. 2; The top right side of said side support 3 is horizontally arranged with a dial indicators rack 6; The right-hand member top of said dial indicators rack 6 is provided with a clock gauge 13, and the bottom surface of said clock gauge 13 is connected with one can be to the flexible clock gauge feeler 14 (being sounding rod) of said clock gauge 13.
On concrete the realization; Referring to Fig. 1, Fig. 2; Said clock gauge feeler 14 tops are run through said dial indicators rack 6 backs and are connected with the bottom surface of said clock gauge 13; Said clock gauge feeler 14 bottoms are run through said pressing plate 11 downwards and are protruded in the bottom surface of said pressing plate 11, said clock gauge feeler 14 be positioned at said base 1 directly over.
Need to prove; When said base 1 top is placed with the battery that needs measurement thickness; Said battery top will with said clock gauge feeler 14 pig, thereby the said clock gauge feeler 14 of jack-up upwards simultaneously also promotes pressing plate 11 and moves up; At this time; Because the 14 upwards telescopic movings of said clock gauge feeler, thus with clock gauge 13 that said clock gauge feeler 14 is connected on can demonstrate the upwards flexible numerical value of this clock gauge feeler 14 in real time, this numerical value is the actual (real) thickness of the battery that needs to measure thickness.
In the present invention, said second guide rail 17 and first guide rail 10 are line slideway.
In the present invention, said pressing plate 11 tops are emptied, thereby reduce the weight of pressing plate 11, alleviate 11 pairs of pressure that need to measure the thickness battery of pressing plate.
Referring to Fig. 1, Fig. 2; The left end side of said dial indicators rack 6 is provided with the wheel 18 that breaks away; Said dial indicators rack 6 tops are provided with a top sheave 20; Said dial indicators rack 6 has a through hole 60 on the right side of said top sheave 20, said through hole 60 be positioned at said first slide block 100 directly over, promptly be positioned at said first slide block 100 corresponding positions on.
In the present invention; Referring to Fig. 1, Fig. 2, Fig. 3; Has second slide block 170 that can slide up and down on said second guide rail 17; Said second slide block 170 left sides are fixedly connected with a balancing weight 21, and said balancing weight 21 tops are connected with an end of a line 16, and the other end of said line 16 strides across said sideslip wheel 18, top sheave 20 successively and runs through said through hole 60 backs and is connected with first slide block 100 on said first guide rail 10.
Need to prove; In the present invention, the size of said balancing weight 21 and weight can be regulated, therefore; Through adjusting the weight of said balancing weight 21; Can adjust 11 pairs of needs of pressing plate that said first slide block 100 bottoms are connected and measure the pressure of thickness battery, assurance can compress the battery that needs to measure thickness, realizes accurately measuring compressing the back.Therefore, the present invention can adapt to the thickness measuring needs of the battery of different-thickness.The thickness of battery bigger (area is also just big more usually) needs bigger pressure to compress usually, the thickness of battery more little (area is also just more little usually), and needed pressure is more little.
Referring to Fig. 1, the left end front side of said pressing plate 11 is connected with a handle 15, and the user can realize that the artificial pressing plate 11 that drives moves up and down in vertical direction through hand-held this handle 15.On concrete the realization, when the user holds this handle 15 and moves up pressing plate 11, make that the distance between pressing plate 11 and the base 1 is drawn back; Thereby make things convenient for the battery that the user puts into needs to measure thickness below pressing plate 11; Make this battery accurately be placed on base 1 top and the said clock gauge feeler 14 corresponding positions, then, the user holds handle 15 and moves down; Make pressing plate 11 push down battery; At this time the battery 11 corresponding clock gauge feeler 14 of jack-up upwards makes clock gauge feeler 14 move up in vertical direction, and the final user can read the actual (real) thickness numerical value that this need measure the thickness battery on the displayed value of clock gauge 13.
Also need to prove; Seeing that as previously mentioned; Be provided with cylindrical bar 4 between said side support 3 and the said base 1, the user can drive said side support 3 and rotate through rotating this cylindrical bar 4 vertically; Thereby regulate the verticality between said side support 3 and the base 1, and then regulate the depth of parallelism between pressing plate 11 and the base 1.Therefore; Through utilization the present invention; The user can adjust the parallel angle between pressing plate 11 and the base 1, thereby said clock gauge feeler 14 is aimed at the thickest point of battery when measuring the thickness of battery; Thereby can capture the thickest point of battery, avoid because the measuring error that the deformation of battery causes.
Therefore, in sum, compared with prior art; The measurement mechanism of a kind of cell thickness provided by the invention, it can fast and effeciently be measured the thickness of battery, the measuring error that can avoid battery deformation to cause effectively; Improve the thickness measure efficient of battery greatly, and then reduce the production cost of battery, improve the production quality of battery; Enlarge the market outlook of battery production producer, be of great practical significance.
In addition, for the cell thickness measurement mechanism that patent of the present invention provides, it can regulate the control of pressure when measuring; Be applicable to the battery of different-thickness, when measuring,, select different pressure to the battery of different-thickness size; For the battery that deformation takes place; Can judge battery difference rapidly through measured value, avoid the circulation of bad battery, be of great practical significance.
The cell thickness measurement mechanism that provides for patent of the present invention; Measure the thickness of battery through clock gauge; Its measuring accuracy can be accurate to behind the radix point three, and cylindrical bar can be regulated the verticality between said side support and the base when measuring, and then regulates the parallel angle between pressing plate and the base; Can capture the thickest point of battery, the measuring error of having avoided battery deformation to cause.
Therefore; For the cell thickness measurement mechanism that patent of the present invention provides, the thickest point that it can measure polymer battery through high precision guide rail and the higher upper and lower plates of flatness shows institute's Thickness Measurement by Microwave value timely by clock gauge; Constant pressure; It is high to measure consistent degree, and adjustable balance weight is applicable to the battery thickness measuring of multiple model.Avoided since institute's cell plane degree of surveying than hanging down different with ergometry, caused measuring error.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. the measurement mechanism of a cell thickness; It is characterized in that; Include base (1), said base (1) top is used to place the battery that needs are measured thickness, and the left end sidewall of said base (1) is connected with a side support (3); The top right side of said side support (3) is horizontally arranged with a dial indicators rack (6); The right-hand member top of said dial indicators rack (6) is provided with a clock gauge (13), and the bottom surface of said clock gauge (13) is connected with a clock gauge feeler (14), said clock gauge feeler (14) be positioned at said base (1) directly over.
2. measurement mechanism as claimed in claim 1; It is characterized in that; The right side of said side support (3) is provided with one first guide rail (10), has first slide block (100) that can slide up and down on said first guide rail (10), and said first slide block (100) bottom is connected with a press plate connection board (12); Said press plate connection board (12) bottom is fixedly connected with a pressing plate (11), said pressing plate (11) be positioned at said base (1) directly over.
3. measurement mechanism as claimed in claim 2 is characterized in that, the top right side of said first guide rail (10) is provided with a limited block (8), said limited block (8) be positioned at said first slide block (100) directly over.
4. measurement mechanism as claimed in claim 2; It is characterized in that; Said clock gauge feeler (14) top is run through said dial indicators rack (6) back and is connected with the bottom surface of said clock gauge (13), and said clock gauge feeler (14) bottom is run through said pressing plate (11) downwards and protruded in the bottom surface of said pressing plate (11).
5. measurement mechanism as claimed in claim 4; It is characterized in that; The left end side of said dial indicators rack (6) is provided with the wheel (18) that breaks away; Said dial indicators rack (6) top is provided with a top sheave (20), and said dial indicators rack (6) has a through hole (60) on the right side of said top sheave (20), said through hole (60) be positioned at the corresponding position of said first slide block (100) on;
The left side of said side support (3) is provided with one second guide rail (17); Has second slide block (170) that can slide up and down on said second guide rail (17); Said second slide block (170) left side is fixedly connected with a balancing weight (21); Said balancing weight (21) top is connected with an end of a line (16), and the other end of said line (16) strides across said sideslip wheel (18), top sheave (20) successively and runs through said through hole (60) back and is connected with first slide block (100) on said first guide rail 10.
6. like each described measurement mechanism of claim 2 to 5, it is characterized in that the left end front side of said pressing plate (11) is connected with a handle (15).
7. like each described measurement mechanism in the claim 1 to 5, it is characterized in that, also be provided with a cylindrical bar (4) between said side support (3) left end sidewall and the said base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110451730XA CN102519338A (en) | 2011-12-30 | 2011-12-30 | Device for measuring thickness of battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110451730XA CN102519338A (en) | 2011-12-30 | 2011-12-30 | Device for measuring thickness of battery |
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| CN102519338A true CN102519338A (en) | 2012-06-27 |
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| CN201110451730XA Pending CN102519338A (en) | 2011-12-30 | 2011-12-30 | Device for measuring thickness of battery |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853737A (en) * | 2012-09-19 | 2013-01-02 | 无锡红光微电子有限公司 | Thickness tester structure for measuring thickness of wafer during grinding |
| CN103075950A (en) * | 2012-12-31 | 2013-05-01 | 天津力神电池股份有限公司 | Device and method for measuring planeness of pole lug |
| CN103217136A (en) * | 2013-03-22 | 2013-07-24 | 东莞新能源科技有限公司 | Measurement device of thickness of battery |
| CN103363864A (en) * | 2013-06-22 | 2013-10-23 | 温州市质量技术监督检测院 | Production method for IC (Integrated Circuit) card character embossing height tester |
| CN104034236A (en) * | 2014-05-28 | 2014-09-10 | 浙江努奥罗新能源科技有限公司 | Battery thickness gauge |
| CN105865392A (en) * | 2016-05-25 | 2016-08-17 | 北京新能源汽车股份有限公司 | Measuring device for measuring thickness variation of soft-packaged power battery |
| CN106017268A (en) * | 2016-06-30 | 2016-10-12 | 中天储能科技有限公司 | Thickness detection device for lithium electrode slice and operating method thereof |
| CN104089559B (en) * | 2014-06-04 | 2017-01-04 | 浙江努奥罗新能源科技有限公司 | A kind of battery measuring thickness device |
| CN106482608A (en) * | 2015-09-02 | 2017-03-08 | 深圳市朗能电池有限公司 | Thickness measurement equipment |
| CN106524868A (en) * | 2016-12-14 | 2017-03-22 | 镇江泰舸电池隔膜科技有限公司 | Battery separator thickness measuring instrument |
| CN106839939A (en) * | 2017-04-12 | 2017-06-13 | 镇江成泰自动化技术有限公司 | A kind of battery measuring thickness device |
| KR101873756B1 (en) * | 2018-05-25 | 2018-07-03 | 세종기술 주식회사 | Width measurement device for polymer battery appearance inspection |
| CN108827212A (en) * | 2018-05-02 | 2018-11-16 | 芜湖立普德机械科技有限公司 | A kind of thickness of glass substrate detection device |
| CN108981543A (en) * | 2018-07-25 | 2018-12-11 | 吕先刚 | No. five football diameters of one kind accurately measure device |
| KR101937166B1 (en) | 2018-05-25 | 2019-01-11 | 세종기술 주식회사 | Thickness measurement device for small battery appearance inspection |
| CN109631817A (en) * | 2019-02-21 | 2019-04-16 | 苏州天准科技股份有限公司 | It is a kind of for measuring the measuring mechanism of product thickness |
| CN110375682A (en) * | 2019-07-05 | 2019-10-25 | 联动天翼新能源有限公司 | Cell thickness measuring device |
| CN110567414A (en) * | 2019-09-04 | 2019-12-13 | 江苏中盈玻璃科技有限公司 | Thickness detection equipment for glass product with slide way |
| CN111023945A (en) * | 2019-12-31 | 2020-04-17 | 嘉兴学院 | Detection device for high-precision workpiece machining |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853737A (en) * | 2012-09-19 | 2013-01-02 | 无锡红光微电子有限公司 | Thickness tester structure for measuring thickness of wafer during grinding |
| CN103075950A (en) * | 2012-12-31 | 2013-05-01 | 天津力神电池股份有限公司 | Device and method for measuring planeness of pole lug |
| CN103075950B (en) * | 2012-12-31 | 2015-12-02 | 天津力神电池股份有限公司 | Flatness inspection devices is used to measure the method for lug flatness |
| CN103217136A (en) * | 2013-03-22 | 2013-07-24 | 东莞新能源科技有限公司 | Measurement device of thickness of battery |
| CN103363864A (en) * | 2013-06-22 | 2013-10-23 | 温州市质量技术监督检测院 | Production method for IC (Integrated Circuit) card character embossing height tester |
| CN104034236A (en) * | 2014-05-28 | 2014-09-10 | 浙江努奥罗新能源科技有限公司 | Battery thickness gauge |
| CN104089559B (en) * | 2014-06-04 | 2017-01-04 | 浙江努奥罗新能源科技有限公司 | A kind of battery measuring thickness device |
| CN106482608B (en) * | 2015-09-02 | 2019-02-12 | 深圳市朗能电池有限公司 | Thickness measurement equipment |
| CN106482608A (en) * | 2015-09-02 | 2017-03-08 | 深圳市朗能电池有限公司 | Thickness measurement equipment |
| CN105865392A (en) * | 2016-05-25 | 2016-08-17 | 北京新能源汽车股份有限公司 | Measuring device for measuring thickness variation of soft-packaged power battery |
| CN106017268A (en) * | 2016-06-30 | 2016-10-12 | 中天储能科技有限公司 | Thickness detection device for lithium electrode slice and operating method thereof |
| CN106524868A (en) * | 2016-12-14 | 2017-03-22 | 镇江泰舸电池隔膜科技有限公司 | Battery separator thickness measuring instrument |
| CN106839939A (en) * | 2017-04-12 | 2017-06-13 | 镇江成泰自动化技术有限公司 | A kind of battery measuring thickness device |
| CN108827212A (en) * | 2018-05-02 | 2018-11-16 | 芜湖立普德机械科技有限公司 | A kind of thickness of glass substrate detection device |
| CN108827212B (en) * | 2018-05-02 | 2020-04-24 | 芜湖立普德机械科技有限公司 | Glass substrate thickness detection device |
| KR101873756B1 (en) * | 2018-05-25 | 2018-07-03 | 세종기술 주식회사 | Width measurement device for polymer battery appearance inspection |
| KR101937166B1 (en) | 2018-05-25 | 2019-01-11 | 세종기술 주식회사 | Thickness measurement device for small battery appearance inspection |
| CN108981543A (en) * | 2018-07-25 | 2018-12-11 | 吕先刚 | No. five football diameters of one kind accurately measure device |
| CN109631817A (en) * | 2019-02-21 | 2019-04-16 | 苏州天准科技股份有限公司 | It is a kind of for measuring the measuring mechanism of product thickness |
| CN110375682A (en) * | 2019-07-05 | 2019-10-25 | 联动天翼新能源有限公司 | Cell thickness measuring device |
| CN110567414A (en) * | 2019-09-04 | 2019-12-13 | 江苏中盈玻璃科技有限公司 | Thickness detection equipment for glass product with slide way |
| CN111023945A (en) * | 2019-12-31 | 2020-04-17 | 嘉兴学院 | Detection device for high-precision workpiece machining |
| CN111023945B (en) * | 2019-12-31 | 2021-06-08 | 嘉兴学院 | Detection device for high-precision workpiece machining |
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Application publication date: 20120627 |