CN113790658A - High-precision automatic detection device for thickness of diaphragm - Google Patents
High-precision automatic detection device for thickness of diaphragm Download PDFInfo
- Publication number
- CN113790658A CN113790658A CN202111056884.9A CN202111056884A CN113790658A CN 113790658 A CN113790658 A CN 113790658A CN 202111056884 A CN202111056884 A CN 202111056884A CN 113790658 A CN113790658 A CN 113790658A
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- Prior art keywords
- diaphragm
- measuring
- thickness
- detection device
- automatic detection
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Classifications
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/061—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
Abstract
The invention discloses a high-precision automatic detection device for the thickness of a diaphragm, which comprises a support, wherein a control system, a vacuumizing device, a measuring rod, a measuring platform and a driving assembly are arranged on the support, the measuring platform is arranged below the measuring rod relatively, the driving assembly is used for controlling the measuring rod to move up and down, a groove is formed in the end face of one end, facing the measuring platform, of the measuring rod, a photosensitive element is arranged in the groove, the control system is used for controlling the driving assembly to work according to illumination intensity information detected by the photosensitive element, a convex seat used for placing a diaphragm to be detected is arranged on the measuring platform, a cavity communicated with the vacuumizing device is formed in the convex seat, and a plurality of through holes communicated with the cavity are formed in the upper surface of the convex seat. According to the invention, the photosensitive element is arranged at the lower end of the measuring rod, and the driving assembly is controlled to stop working in a manner of illumination change, so that the diaphragm is prevented from deforming due to collision, and the measuring precision of the thickness of the diaphragm is improved; the diaphragm is kept in a flattened state in a vacuum adsorption mode, and the measurement accuracy is improved.
Description
Technical Field
The invention relates to the technical field of thickness measuring equipment, in particular to a high-precision automatic detection device for the thickness of a diaphragm.
Background
The diaphragm is one of the key components of the electric core component of the lithium ion battery, and has the main functions of isolating the positive pole piece and the negative pole piece, preventing the short circuit of the battery and facilitating the conduction of lithium ions. The thickness of the diaphragm has a direct influence on the performance of the diaphragm, so that the thickness of the diaphragm needs to be detected quickly and accurately in the production process. At present mainly through the micrometer to diaphragm thickness measurement, the micrometer needs artifical rotatory micro-section of thick bamboo when measuring to make measuring stick on the micrometer contradict with the diaphragm, because diaphragm itself is comparatively soft, and artifical measuring in-process produces measuring error easily, measuring stick just with the diaphragm contact when being difficult to guarantee to rotate, conflict measuring mode often can cause the diaphragm to produce in the measurement process and warp like this, lead to the measuring result accuracy relatively poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the high-precision automatic detection device for the thickness of the diaphragm, which can realize automatic detection when the thickness of the diaphragm is measured, avoid the condition of collision and deformation in the diaphragm measuring process and improve the accuracy of the diaphragm thickness measuring result.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high accuracy diaphragm thickness automatic checkout device, includes the support, be equipped with control system, evacuating device, measuring stick on the support, locate the measuring platform of measuring stick below relatively and control the drive assembly of measuring stick activity from top to bottom, the measuring stick is equipped with the recess towards the terminal surface of measuring platform's one end, be equipped with photosensitive element in the recess, control system controls drive assembly work according to the illumination intensity information that photosensitive element detected, the last convex seat that is used for placing the diaphragm that awaits measuring that is equipped with of measuring platform, be equipped with the cavity with evacuating device intercommunication in the convex seat, the upper surface of convex seat is equipped with a plurality of through-holes that communicate with the cavity.
As a preferred scheme, one end of the measuring rod facing the measuring platform is provided with a testing boss for contacting the diaphragm to be measured, the circumference of the testing boss is annularly provided with a light blocking ring, the groove is formed between the testing boss and the light blocking ring, and the lower surface of the testing boss is flush with the lower surface of the light blocking ring.
As a preferable scheme, the driving assembly comprises a driving motor and a gear set, the measuring rod is provided with a rack extending along the axial direction of the measuring rod, the driving motor controls the measuring rod to move up and down through the matching of the gear set and the rack, and the driving motor and the photosensitive element are both connected with the control system.
As a preferred scheme, the gear train includes by the rotatory first bevel gear of driving motor drive, by the rotatory second bevel gear of first bevel gear drive and with the spur gear of the coaxial setting of second bevel gear, the second bevel gear passes through the rotatable installation of pivot on the support, second bevel gear and spur gear body coupling, the spur gear is connected with the rack meshing.
Preferably, the axial direction of the rotating shaft is perpendicular to the extending direction of the rack, and the axial direction of the output shaft of the driving motor is perpendicular to the axial direction of the rotating shaft.
As a preferred scheme, be equipped with the drive installation cavity on the support, drive motor and gear train all locate the drive installation intracavity.
Preferably, the support is provided with a guide groove or a guide rail for guiding the advancing direction of the measuring rod.
As a preferred scheme, the lower end of the support is provided with a base, and the measuring platform is arranged at the upper end of the base.
As a preferred scheme, a circular screen plate is arranged at an opening at the upper end of the cavity, the screen plate is provided with the through holes, the through holes are annular, and the through holes are concentrically distributed at equal intervals.
Preferably, the support is further provided with a display unit for displaying the measurement result.
Compared with the prior art, the invention has obvious advantages and beneficial effects, particularly, the driving assembly for controlling the measuring rod to move up and down is arranged, and the photosensitive element is arranged at the lower end of the measuring rod, so that the characteristic that light rays are suddenly darkened when the lower end of the measuring rod is contacted with the diaphragm to be measured is utilized, the control system controls the driving assembly to work according to the illumination intensity information detected by the photosensitive element, when the photosensitive element detects that the illumination intensity is lower than a set value, the control system controls the driving assembly to stop working, the measuring rod is kept in a state of being contacted with the diaphragm, the automatic detection of the thickness of the diaphragm is realized, the condition that the diaphragm deforms due to the collision of the measuring rod is avoided, and the measurement precision of the thickness of the diaphragm is improved; through set up the appearance chamber that communicates with evacuating device in the boss, set up a plurality of through-holes that communicate with the cavity at the upper surface center of boss to accessible evacuation's mode makes the diaphragm keep the flat state of exhibition in the measurement process, avoids appearing the error because of diaphragm shrink or fold lead to the measuring result.
To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions attained thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a schematic view of an assembly structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the embodiment of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 1;
fig. 4 is an enlarged schematic view at B in fig. 2.
The attached drawings indicate the following:
10. support 11, base 12, measuring platform
13. Drive installation cavity 14, guide groove 20 and measuring rod
21. Rack 22, test boss 23, light blocking ring
24. Groove 25, photosensitive element 30 and driving motor
31. First bevel gear 32, second bevel gear 33, spur gear
34. Rotating shaft 40, boss 41 and cavity
42. Mesh plate 43, through holes.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
As shown in fig. 1 to 4, the high-precision automatic detection device for the thickness of a diaphragm comprises a support 10, wherein a control system (not shown), a vacuum pumping device (not shown), a measuring rod 20, a measuring platform 12 arranged below the measuring rod 20 relatively, and a driving assembly for controlling the measuring rod 20 to move up and down are arranged on the support 10, a groove 24 is arranged on an end surface of one end of the measuring rod 20 facing the measuring platform 12, a photosensitive element 25 is arranged in the groove 24, the control system controls the driving assembly to work according to illumination intensity information detected by the photosensitive element 25, a boss 40 used for placing the diaphragm to be detected is arranged on the measuring platform 12, a cavity 41 communicated with the vacuum pumping device is arranged in the boss 40, and a plurality of through holes 43 communicated with the cavity 41 are arranged on an upper surface of the boss 40.
As shown in fig. 1 and 2, the driving assembly includes a driving motor 30 and a gear set, a rack 21 extending along an axial direction of the measuring rod 20 is provided on the measuring rod 20, the driving motor 30 controls the measuring rod 20 to move up and down through the cooperation of the gear set and the rack 21, and both the driving motor 30 and the photosensitive element 25 are connected to a control system. The gear train includes by driving motor 30 drive pivoted first bevel gear 31, drive pivoted second bevel gear 32 and with the straight gear 33 of the coaxial setting of second bevel gear 32 by first bevel gear 31, second bevel gear 32 is rotatable through pivot 34 and is installed on support 10, second bevel gear 32 and straight gear 33 body coupling, straight gear 33 is connected with rack 21 meshing. The axial direction of the rotating shaft 34 is perpendicular to the extending direction of the rack 21, and the axial direction of the output shaft of the driving motor 30 is perpendicular to the axial direction of the rotating shaft 34. In the invention, the support 10 is provided with the driving installation cavity 13, and the driving motor 30 and the gear set are both arranged in the driving installation cavity 13, so that dust or particles are prevented from being adsorbed on the gear set, and the service lives of the driving motor 30 and the gear set are prolonged. The support 10 is provided with a guide groove 14 for guiding the direction of travel of the measuring stick 20, it being understood that the guide groove 14 may be replaced by a guide rail during actual use. The lower extreme of support 10 is equipped with base 11, measuring platform 12 locates the upper end of base 11.
As shown in fig. 3, a circular mesh plate 42 is disposed at an opening at an upper end of the cavity 41, the mesh plate 42 is provided with the through holes 43, the through holes 43 are annular, and a plurality of the through holes 43 are concentrically and equidistantly distributed. In the actual use process, the through holes 43 may also be uniformly distributed circular holes.
As shown in fig. 4, a testing boss 22 for contacting the diaphragm to be tested is disposed at one end of the measuring rod 20 facing the measuring platform 12, a light blocking ring 23 is disposed around the testing boss 22, the aforementioned groove 24 is formed between the testing boss 22 and the light blocking ring 23, and a lower surface of the testing boss 22 is flush with a lower surface of the light blocking ring 23.
In the present invention, in order to facilitate the measurement result to be viewed in time, a display unit (not shown) for displaying the measurement result is further provided on the bracket 10.
It should be noted that the detection device of the present invention can also be used for measuring other sheets besides the diaphragm in the actual use process.
When the invention works, the detection device is firstly placed in a test environment with certain brightness, the illuminance value corresponding to the stop of the driving component is preset in the control system according to the brightness condition of the test environment, in the detection process, when the illuminance value detected by the photosensitive element 25 is reduced to the preset river illuminance value, the control system controls the driving component to stop working, and simultaneously, the control system obtains the thickness value of the diaphragm according to the descending distance of the measuring rod 20 and displays the thickness value on the display unit. In order to avoid the influence of the illumination variation in the test environment on the measurement result, a light source with stable illumination may be disposed on the support 10.
In summary, in the invention, the driving assembly for controlling the up-and-down movement of the measuring rod 20 is arranged, and the photosensitive element 25 is arranged at the lower end of the measuring rod 20, so that the characteristic that light is suddenly darkened when the lower end of the measuring rod 20 is in contact with the diaphragm to be measured is utilized, the control system controls the driving assembly to work according to the illumination intensity information detected by the photosensitive element 25, when the illumination intensity detected by the photosensitive element 25 is lower than a set value, the control system controls the driving assembly to stop working, the measuring rod 20 is kept in a state of being in contact with the diaphragm, the automatic detection of the thickness of the diaphragm is realized, the deformation of the diaphragm caused by the collision of the measuring rod is avoided, and the measurement precision of the thickness of the diaphragm is improved; through set up the appearance chamber that communicates with evacuating device in boss 40, set up a plurality of through-holes 43 that communicate with cavity 41 at the upper surface center of boss 40 to accessible evacuation's mode makes the diaphragm keep the flat state in the measurement process, avoids appearing the error because of diaphragm shrink or fold leads to the measuring result.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, so that any modifications, equivalents, improvements, etc. made to the above embodiment according to the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a high accuracy diaphragm thickness automatic checkout device, its characterized in that, includes the support, be equipped with control system, evacuating device, measuring stick on the support, locate the measuring platform of measuring stick below relatively and control the drive assembly of measuring stick activity from top to bottom, the measuring stick is equipped with the recess towards the terminal surface of measuring platform's one end, be equipped with photosensitive element in the recess, control system controls drive assembly work according to the illumination intensity information that photosensitive element detected, the last convex seat that is used for placing the diaphragm that awaits measuring that is equipped with of measuring platform, be equipped with the cavity with evacuating device intercommunication in the convex seat, the upper surface of convex seat is equipped with a plurality of through-holes that communicate with the cavity.
2. The device as claimed in claim 1, wherein a testing boss for contacting the diaphragm to be tested is disposed at an end of the measuring rod facing the measuring platform, a light blocking ring is disposed around the testing boss, the groove is formed between the testing boss and the light blocking ring, and a lower surface of the testing boss is flush with a lower surface of the light blocking ring.
3. The automatic detection device for the thickness of the diaphragm with high precision as claimed in claim 1, wherein the driving assembly comprises a driving motor and a gear set, the measuring rod is provided with a rack extending along the axial direction of the measuring rod, the driving motor controls the measuring rod to move up and down through the matching of the gear set and the rack, and the driving motor and the photosensitive element are both connected with the control system.
4. The automatic detection device for the thickness of the diaphragm with high precision as claimed in claim 3, wherein the gear set comprises a first bevel gear driven to rotate by the driving motor, a second bevel gear driven to rotate by the first bevel gear and a spur gear coaxially arranged with the second bevel gear, the second bevel gear is rotatably mounted on the bracket through a rotating shaft, the second bevel gear is integrally connected with the spur gear, and the spur gear is meshed with the rack.
5. The automatic detection device for the thickness of the diaphragm with high precision as claimed in claim 3, wherein the axial direction of the rotating shaft is perpendicular to the extending direction of the rack, and the axial direction of the output shaft of the driving motor is perpendicular to the axial direction of the rotating shaft.
6. The automatic detection device for the thickness of the diaphragm with high precision of claim 3, 4 or 5, wherein a driving installation cavity is arranged on the support, and the driving motor and the gear set are both arranged in the driving installation cavity.
7. The automatic detection device for the thickness of the diaphragm with high precision as claimed in claim 1, wherein the bracket is provided with a guide groove or a guide rail for guiding the advancing direction of the measuring rod.
8. The automatic detection device for the thickness of the diaphragm with high precision as claimed in claim 1, wherein a base is arranged at the lower end of the support, and the measuring platform is arranged at the upper end of the base.
9. The automatic detection device for the thickness of the high-precision diaphragm according to claim 1, wherein a circular screen plate is arranged at an opening at the upper end of the cavity, the screen plate is provided with the through holes, the through holes are annular, and the through holes are concentrically and equidistantly distributed.
10. The automatic detection device for the thickness of the diaphragm with high precision as claimed in claim 1, wherein a display unit for displaying the measurement result is further arranged on the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111056884.9A CN113790658A (en) | 2021-09-09 | 2021-09-09 | High-precision automatic detection device for thickness of diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111056884.9A CN113790658A (en) | 2021-09-09 | 2021-09-09 | High-precision automatic detection device for thickness of diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113790658A true CN113790658A (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111056884.9A Pending CN113790658A (en) | 2021-09-09 | 2021-09-09 | High-precision automatic detection device for thickness of diaphragm |
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| Country | Link |
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| CN (1) | CN113790658A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753873A (en) * | 2023-08-14 | 2023-09-15 | 成都顿威新型金属材料有限公司 | Device and method for detecting thickness of composite lithium belt |
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| TW452075U (en) * | 2000-12-27 | 2001-08-21 | Lin Jie Jing | High precision film thickness measuring machine |
| CN203955469U (en) * | 2014-06-05 | 2014-11-26 | 深圳惠美亚科技有限公司 | A kind of light-sensitive surface coating machine control system |
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| CN208384071U (en) * | 2018-07-16 | 2019-01-15 | 苏州能讯高能半导体有限公司 | A kind of test platform and test device |
| CN209745258U (en) * | 2019-04-19 | 2019-12-06 | 武汉友发包装科技有限公司 | Film thickness gauge |
| CN112353450A (en) * | 2020-10-27 | 2021-02-12 | 武汉中科医疗科技工业技术研究院有限公司 | Bone nail registration auxiliary mechanism, bone nail registration system and method |
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2021
- 2021-09-09 CN CN202111056884.9A patent/CN113790658A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW452075U (en) * | 2000-12-27 | 2001-08-21 | Lin Jie Jing | High precision film thickness measuring machine |
| CN203955469U (en) * | 2014-06-05 | 2014-11-26 | 深圳惠美亚科技有限公司 | A kind of light-sensitive surface coating machine control system |
| CN206663962U (en) * | 2017-05-04 | 2017-11-24 | 蓝思智能机器人(长沙)有限公司 | A kind of stock absorption platform |
| CN208384071U (en) * | 2018-07-16 | 2019-01-15 | 苏州能讯高能半导体有限公司 | A kind of test platform and test device |
| CN209745258U (en) * | 2019-04-19 | 2019-12-06 | 武汉友发包装科技有限公司 | Film thickness gauge |
| CN112353450A (en) * | 2020-10-27 | 2021-02-12 | 武汉中科医疗科技工业技术研究院有限公司 | Bone nail registration auxiliary mechanism, bone nail registration system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753873A (en) * | 2023-08-14 | 2023-09-15 | 成都顿威新型金属材料有限公司 | Device and method for detecting thickness of composite lithium belt |
| CN116753873B (en) * | 2023-08-14 | 2023-10-27 | 成都顿威新型金属材料有限公司 | Device and method for detecting thickness of composite lithium belt |
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