CN212539024U - Online detection device for thickness of diaphragm - Google Patents
Online detection device for thickness of diaphragm Download PDFInfo
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- CN212539024U CN212539024U CN202021506522.6U CN202021506522U CN212539024U CN 212539024 U CN212539024 U CN 212539024U CN 202021506522 U CN202021506522 U CN 202021506522U CN 212539024 U CN212539024 U CN 212539024U
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- straight line
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Abstract
The utility model discloses an on-line detection device for the thickness of a diaphragm, which comprises a diaphragm following mechanism and a full-surface thickness detection mechanism; the diaphragm following mechanism comprises a closed track, and the track comprises a straight line segment; the track is provided with a negative pressure suction unit and a following driving mechanism; the negative pressure suction unit comprises a negative pressure suction seat, the top surface of the negative pressure suction seat is provided with a negative pressure suction surface which utilizes negative pressure to make the diaphragm fit, a negative pressure suction cavity is arranged in the negative pressure suction seat, and negative pressure suction holes are arranged between the negative pressure suction cavity and the negative pressure suction surface in an array manner; the full-surface thickness detection mechanism comprises a mounting plate and a reference plate, wherein a plurality of detection units are arranged on the mounting plate; the detection unit comprises a detection shaft connected with the mounting plate, a roller is arranged below the detection shaft, and a dial indicator is arranged above the detection shaft; the sum of the widths of all the rollers is larger than or equal to the width of the diaphragm, and in the view direction parallel to the length direction of the diaphragm, the two adjacent rollers are partially overlapped or the space between the two adjacent rollers is equal to zero.
Description
Technical Field
The utility model relates to a detection device, specific be a diaphragm thickness on-line measuring device.
Background
The battery separator is an important component of the battery, and has a direct influence on the safety and cost of the battery. In the production process of the battery diaphragm, the thickness of a sample is generally required to be detected so as to adjust production equipment and ensure that the produced battery diaphragm meets the requirements. For the detection of the thickness of the battery diaphragm, the traditional detection method is to measure a plurality of points of the battery diaphragm by using a caliper and then evaluate the measured values.
Chinese patent publication No. CN210108219U discloses a thickness detection device for a battery diaphragm, which comprises a workbench, wherein the workbench is provided with a plurality of vent holes, an air suction cover is arranged below the workbench corresponding to the vent holes, and the air suction cover is connected with a vacuum pump through an air pipe; workstation both sides be equipped with a stand respectively, two be equipped with the slide rail between the stand, the slide rail on sliding connection have a slider, slider one side fixedly connected with sleeve, the sleeve in slide and peg graft and have the measuring spindle, measuring spindle top be equipped with the amesdial, be equipped with compression spring between measuring spindle and the sleeve, measuring spindle bottom be equipped with the U-shaped support, the U-shaped support lead to the pivot and rotate to connect and measure the pinch roller, the outer wall of measuring the pinch roller links to each other with the top surface laminating of workstation. The thickness detection device of the battery diaphragm can only detect a diaphragm sample after sampling, a detection area cannot completely cover the diaphragm sample, and a detection result can only be used for evaluating the quality of the diaphragm and cannot completely and truly reflect the thickness of a diaphragm product.
Disclosure of Invention
In view of this, the utility model aims at providing a diaphragm thickness on-line measuring device can realize the on-line measuring of diaphragm thickness, and the detection area can cover the whole surface area of diaphragm, can truly reflect the actual thickness of diaphragm product.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an online detection device for the thickness of a diaphragm comprises a diaphragm following mechanism and a full-surface thickness detection mechanism;
the diaphragm following mechanism comprises a closed track comprising a straight segment; the track is provided with a negative pressure suction unit, and the track is provided with a following driving mechanism for driving the negative pressure suction unit to move on the straight line section at a speed equal to that of the diaphragm;
the negative pressure suction unit comprises a negative pressure suction seat, the top surface of the negative pressure suction seat is a negative pressure suction surface which utilizes negative pressure to make the diaphragm fit, a negative pressure suction cavity is arranged in the negative pressure suction seat, and negative pressure suction holes are arranged between the negative pressure suction cavity and the negative pressure suction surface in an array manner;
the tracks are provided with sliding blocks corresponding to the negative pressure suction units one by one, the top surfaces of the sliding blocks are provided with vertical sleeve holes, and the bottom surfaces of the negative pressure suction seats are provided with rotating sleeve rods which are in rotating fit with the vertical sleeve holes;
the full-surface thickness detection mechanism comprises an installation plate arranged above the straight line section and a reference plate arranged above the installation plate, and a plurality of detection units are arranged on the installation plate; the detection unit comprises a detection shaft in single-degree-of-freedom sliding fit with the mounting plate, a roller for being attached to the upper surface of the diaphragm is arranged below the detection shaft, and a dial indicator matched with the reference plate is arranged above the detection shaft; the sum of the widths of all the rollers is larger than or equal to the width of the diaphragm, and in the view direction parallel to the length direction of the diaphragm, the two adjacent rollers are partially overlapped or the space between the two adjacent rollers is equal to zero.
Furthermore, the following driving mechanism comprises a driving roller and a driving belt sleeved on the driving roller, and the sliding block is fixedly connected with the driving belt; or the following driving mechanism comprises a chain wheel and a chain matched with the chain wheel, and the sliding block is fixedly connected with the chain.
Further, the vacuum suction device also comprises a negative pressure generating mechanism for providing negative pressure for the negative pressure suction unit positioned on the straight line section; the negative pressure generating mechanism comprises a negative pressure seat, a clamping groove clamped at one side of the negative pressure suction seat is arranged at one side, facing the straight line section, of the negative pressure seat surface, and sealing rubber gaskets are respectively arranged between the clamping groove and the top surface and the bottom surface of the negative pressure suction seat; a negative pressure cavity is arranged in the negative pressure seat, and a negative pressure hole communicated with the negative pressure cavity is formed in the side wall of the negative pressure suction cavity.
Furthermore, the two sides of the straight line section are respectively provided with a support frame I and a support frame II, the negative pressure seat is fixedly installed on one of the support frames I, and the two sides of the installation plate and the reference plate are respectively installed on the negative pressure seat and the other support frame II.
Furthermore, a dovetail structure is arranged between the track and the sliding block.
Further, the detection units are arranged at equal intervals in the length direction of the diaphragm.
Furthermore, two adjacent negative pressure suction seats on the straight line section are in contact fit, and the negative pressure suction surfaces of all the negative pressure suction seats on the straight line section are parallel and level and are positioned on the same plane.
Further, the track comprises two straight line segments which are parallel to each other, the full-surface thickness detection mechanism is arranged on one of the straight line segments, and two ends of the two straight line segments are connected through a semi-circular arc segment respectively.
Furthermore, the area enclosed by the rails is used as the inner side, and the inner sides of the adjacent negative pressure suction seats are hinged.
The beneficial effects of the utility model reside in that:
the utility model discloses a diaphragm thickness on-line measuring device, through setting up diaphragm following mechanism, utilize and follow actuating mechanism drive vacuum attraction unit along rail motion, and make vacuum attraction unit moving speed on the straightway equal with the speed of diaphragm, so, utilize the negative pressure to adsorb the diaphragm and play the supporting role to the diaphragm on the vacuum attraction face, then utilize full surface thickness detection mechanism to detect the thickness of diaphragm, because on diaphragm length view direction, two adjacent gyro wheel parts overlap or the interval is zero, then can realize the full surface thickness on-line measuring of diaphragm, the testing result can truly reflect the thickness of diaphragm.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
FIG. 1 is a schematic structural diagram of an embodiment of an online detection device for membrane thickness according to the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural view of a diaphragm follower mechanism;
fig. 4 is a sectional view B-B of fig. 3.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, it is a schematic structural diagram of an embodiment of the online detection device for membrane thickness of the present invention. The online detection device for the thickness of the diaphragm comprises a diaphragm following mechanism and a full-surface thickness detection mechanism. The diaphragm following mechanism of the present embodiment includes a closed track 1, the track 1 including a straight line segment; the track 1 is provided with a negative pressure suction unit 2, and the track 1 is provided with a following driving mechanism for driving the negative pressure suction unit 2 to move on a straight line section at a speed equal to that of the diaphragm. Specifically, the following driving mechanism can be realized in various ways, for example, the following driving mechanism can be a driving roller and a driving belt sleeved on the driving roller, and the sliding block 7 is fixedly connected with the driving belt; the following driving mechanism can also comprise a chain wheel and a chain matched with the chain wheel, and the sliding block 7 is fixedly connected with the chain. Further, chinese patent publication No. CN104029077B discloses a following driving mechanism for the closed rail 1, and will not be described in detail.
Specifically, the negative pressure suction unit 2 includes a negative pressure suction base 3, a negative pressure suction surface 4 for adhering the diaphragm by using negative pressure is provided on the top surface of the negative pressure suction base 3, a negative pressure suction chamber 5 is provided in the negative pressure suction base 3, and negative pressure suction holes 6 are provided in an array between the negative pressure suction chamber 5 and the negative pressure suction surface 4. The diaphragm following mechanism of the present embodiment further includes a negative pressure generating mechanism for supplying a negative pressure to the negative pressure suction unit 2 located on the straight line section; the negative pressure generating mechanism comprises a negative pressure seat 13, a clamping groove 14 clamped at one side of the negative pressure suction seat 3 is arranged at one side of the negative pressure seat 13 facing the straight line section, and sealing rubber gaskets 15 are respectively arranged between the clamping groove 14 and the top surface and the bottom surface of the negative pressure suction seat 3; a negative pressure cavity 16 is arranged in the negative pressure seat 13, a negative pressure hole 17 communicated with the negative pressure cavity 16 is arranged on the side wall of the negative pressure suction cavity 5, and when the negative pressure suction device is used, the negative pressure cavity 16 is communicated with a negative pressure generator, so that negative pressure can be generated. In this way, when the negative pressure suction unit 2 moves to the straight section, the negative pressure suction chamber 5 of the negative pressure suction unit 2 communicates with the negative pressure chamber 16, and the negative pressure suction force 3 is generated to the diaphragm, and the diaphragm is attached to the negative pressure suction surface 4.
The track 1 of this embodiment is last to be equipped with slider 7 with negative pressure suction unit 2 one-to-one, and the top surface of slider 7 is equipped with vertical trepanning, and the bottom surface of negative pressure suction seat 3 is equipped with vertical trepanning normal running fit's rotation loop bar 8, so, when negative pressure suction unit 2 was in non-straight line section department, usable slider 7's position and negative pressure suction seat 3 were for the rotatable position relation of slider 7, made two adjacent negative pressure suction seats 3 between can not produce the interference. Specifically, two adjacent negative pressure suction seats 3 located on the straight line segment are in contact fit, and the negative pressure suction surfaces 4 of all the negative pressure suction seats 3 located on the straight line segment are flush and located on the same plane, that is, all the negative pressure suction surfaces 4 located on the straight line segment jointly form a plane for supporting the diaphragm 22. The area enclosed by the track 1 is the inner side, and the inner sides of the adjacent negative pressure suction seats 3 are hinged, so that the contact fit of the two adjacent negative pressure suction seats 3 can be ensured after the negative pressure suction unit 2 moves to the straight line section. The track 1 of this embodiment includes two straightways that are parallel to each other, and full surface thickness detection mechanism sets up on one of them straightway, and the both ends of these two straightways adopt the semicircle section to link to each other respectively. Preferably, a dovetail structure is arranged between the track 1 and the slide block 7 to prevent the slide block 7 and the negative pressure suction seat 3 from longitudinally displacing relative to the track 1.
The full-surface thickness detection mechanism of the embodiment comprises a mounting plate 9 arranged above the straight line section and a reference plate 10 arranged above the mounting plate 9, wherein a plurality of detection units 21 are arranged on the mounting plate 9; the detection unit comprises a detection shaft 11 in single-degree-of-freedom sliding fit with the mounting plate 9, a roller 12 for attaching to the upper surface of the diaphragm is arranged below the detection shaft 11, and a dial indicator 20 matched with the reference plate 10 is arranged above the detection shaft 11; the sum of the widths of all the rollers 12 is greater than or equal to the width of the diaphragm, in the view direction parallel to the length direction of the diaphragm, the two adjacent rollers 12 are partially overlapped or the space between the two adjacent rollers 12 is equal to zero, the detecting units of the embodiment are arranged at equal intervals in the length direction of the diaphragm, specifically, the number and the width of the rollers 12 are arranged according to the actual detection requirement, and the description is not repeated. When the thickness of the diaphragm changes, the longitudinal distance of the roller 12 changes, the detection shaft 11 moves relative to the mounting plate 9 and the reference plate 10, and the dial indicator 20 can detect the displacement of the movement of the detection shaft 11, namely the variation of the thickness of the diaphragm. Specifically, the two sides of the straight line segment of this embodiment are respectively provided with a support frame i 18 and a support frame ii 19, the negative pressure seat 13 is fixedly installed on one of the support frames i 18, and the two sides of the mounting plate 9 and the reference plate 10 are respectively installed on the negative pressure seat 13 and the other support frame ii 19.
The online detection device for the thickness of the diaphragm of the embodiment comprises a diaphragm following mechanism, a following driving mechanism is utilized to drive a negative pressure suction unit to move along a track, the moving speed of the negative pressure suction unit on a straight line section is equal to the speed of the diaphragm, therefore, the diaphragm is adsorbed on a negative pressure suction surface by utilizing negative pressure to support the diaphragm, and then the thickness of the diaphragm is detected by utilizing a full-surface thickness detection mechanism.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (9)
1. An online detection device of diaphragm thickness which characterized in that: the device comprises a diaphragm following mechanism and a full-surface thickness detection mechanism;
the diaphragm following mechanism comprises a closed track (1), wherein the track (1) comprises a straight line section; the track (1) is provided with a negative pressure suction unit (2), and the track (1) is provided with a following driving mechanism for driving the negative pressure suction unit (2) to move on the straight line section at a speed equal to that of the diaphragm;
the negative pressure suction unit (2) comprises a negative pressure suction seat (3), the top surface of the negative pressure suction seat (3) is provided with a negative pressure suction surface (4) which utilizes negative pressure to make the diaphragm adhere, a negative pressure suction cavity (5) is arranged in the negative pressure suction seat (3), and negative pressure suction holes (6) are arranged between the negative pressure suction cavity (5) and the negative pressure suction surface (4) in an array manner;
sliding blocks (7) are arranged on the track (1) and correspond to the negative pressure suction units (2) one by one, vertical sleeve holes are formed in the top surfaces of the sliding blocks (7), and rotating sleeve rods (8) which are in rotating fit with the vertical sleeve holes are arranged on the bottom surfaces of the negative pressure suction seats (3);
the full-surface thickness detection mechanism comprises an installation plate (9) arranged above the straight line section and a reference plate (10) arranged above the installation plate (9), and a plurality of detection units are arranged on the installation plate (9); the detection unit comprises a detection shaft (11) in single-degree-of-freedom sliding fit with the mounting plate (9), a roller (12) for attaching to the upper surface of the diaphragm is arranged below the detection shaft (11), and a dial indicator (20) matched with the reference plate (10) is arranged above the detection shaft (11); the sum of the widths of all the rollers (12) is larger than or equal to the width of the diaphragm, and in the view direction parallel to the length direction of the diaphragm, the two adjacent rollers (12) are partially overlapped or the space between the two adjacent rollers (12) is equal to zero.
2. The on-line membrane thickness sensing device of claim 1, wherein: the following driving mechanism comprises a driving roller and a driving belt sleeved on the driving roller, and the sliding block (7) is fixedly connected with the driving belt; or the following driving mechanism comprises a chain wheel and a chain matched with the chain wheel, and the sliding block (7) is fixedly connected with the chain.
3. The on-line membrane thickness sensing device of claim 1, wherein: the negative pressure suction unit also comprises a negative pressure generating mechanism for providing negative pressure for the negative pressure suction unit (2) positioned on the straight line section; the negative pressure generating mechanism comprises a negative pressure seat (13), one side of the negative pressure seat (13) facing the straight line section is provided with a clamping groove (14) clamped at one side of the negative pressure suction seat (3), and sealing rubber gaskets (15) are respectively arranged between the clamping groove (14) and the top surface and the bottom surface of the negative pressure suction seat (3); a negative pressure cavity (16) is arranged in the negative pressure seat (13), and a negative pressure hole (17) communicated with the negative pressure cavity (16) is formed in the side wall of the negative pressure suction cavity (5).
4. The online membrane thickness detection device of claim 3, wherein: the two sides of the straight line section are respectively provided with a support frame I (18) and a support frame II (19), the negative pressure seat (13) is fixedly installed on one of the support frames I (18), and the two sides of the installation plate (9) and the reference plate (10) are respectively installed on the negative pressure seat (13) and the other support frame II (19).
5. The on-line membrane thickness sensing device of claim 1, wherein: a dovetail structure is arranged between the track (1) and the sliding block (7).
6. The on-line membrane thickness sensing device of claim 1, wherein: the detection units are arranged at equal intervals in the length direction of the diaphragm.
7. The on-line membrane thickness measurement device of any one of claims 1 to 6, wherein: the two adjacent negative pressure suction seats (3) on the straight line section are in contact fit, and the negative pressure suction surfaces (4) of all the negative pressure suction seats (3) on the straight line section are parallel and level and are positioned on the same plane.
8. The online membrane thickness detection device of claim 7, wherein: the track (1) comprises two straight line segments which are parallel to each other, the full-surface thickness detection mechanism is arranged on one of the straight line segments, and two ends of the two straight line segments are connected through a semi-circular arc segment ().
9. The online membrane thickness detection device of claim 8, wherein: and the area enclosed by the tracks (1) is used as the inner side, and the inner sides of the adjacent negative pressure suction seats (3) are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021506522.6U CN212539024U (en) | 2020-07-27 | 2020-07-27 | Online detection device for thickness of diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021506522.6U CN212539024U (en) | 2020-07-27 | 2020-07-27 | Online detection device for thickness of diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212539024U true CN212539024U (en) | 2021-02-12 |
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ID=74517906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021506522.6U Active CN212539024U (en) | 2020-07-27 | 2020-07-27 | Online detection device for thickness of diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212539024U (en) |
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2020
- 2020-07-27 CN CN202021506522.6U patent/CN212539024U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401121 No.22, Qixin Avenue, Yanjia street, Changshou District, Chongqing Patentee after: Chongqing engeniumi Technology Co.,Ltd. Address before: 401121 No.22, Qixin Avenue, Yanjia street, Changshou District, Chongqing Patentee before: CHONGQING YUNTIANHUA NEWMI-TECH Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |