CN216593226U - Soft-packaged electrical core plastic-aluminum membrane seal limit thickness measuring device - Google Patents
Soft-packaged electrical core plastic-aluminum membrane seal limit thickness measuring device Download PDFInfo
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- CN216593226U CN216593226U CN202123377507.3U CN202123377507U CN216593226U CN 216593226 U CN216593226 U CN 216593226U CN 202123377507 U CN202123377507 U CN 202123377507U CN 216593226 U CN216593226 U CN 216593226U
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Abstract
The utility model belongs to the technical field of the battery, a soft-packaged electrical core plastic-aluminum membrane seal thickness measuring device is disclosed. This laminate polymer electric core plastic-aluminum membrane seal thickness measuring device includes thickness measuring platform and follows two thickness measuring subassemblies of first direction symmetry setting on thickness measuring platform, and thickness measuring subassembly includes actuating mechanism and thickness measuring mechanism, and thickness measuring mechanism drive connection is in actuating mechanism, and actuating mechanism installs on thickness measuring platform, and two actuating mechanism are configured as two thickness measuring mechanisms of one-to-one drive and are close to relatively or keep away from along the first direction on thickness measuring platform. This soft-packaged electrical core plastic-aluminum membrane seal thickness measuring device can follow the thickness of two sides simultaneous measurement electric core plastic-aluminum membrane seals, and measuring result is more accurate to need not to flatten the seal limit, promoted measurement of efficiency.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a laminate polymer core plastic-aluminum membrane seal limit thickness measurement device.
Background
In the production process of the soft-package battery cell, the electrolyte needs to be sealed in the battery cell through an aluminum plastic film seal. And poor sealing of the aluminum-plastic film directly leads to the risk of leakage, so that the quality of the sealing of the aluminum-plastic film is an important quality item of the soft package battery core. The seal thickness of the nondestructive experiment is one of the seal quality items, and the online full inspection is generally carried out in the production of the soft package battery core.
The existing aluminum plastic film seal thickness measuring device generally adopts a single-side thickness measuring pressure head and is matched with a single-side thickness measuring standard. During measurement, the thickness measuring pressure head directly presses the aluminum plastic film sealing edge down to the thickness measuring standard, and the contact type displacement sensor connected with the thickness measuring pressure head carries out thickness measurement subsequently. The sealing edge can be warped due to the influence of the material characteristics of the aluminum-plastic film, and the sealing edge of the aluminum-plastic film cannot be completely flattened only by the pressure of the contact displacement sensor, so that the measured value of the sealing thickness measuring device is larger than that of the micrometer screw, and a measuring error is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a soft-packaged electrical core plastic-aluminum membrane seal limit thickness measuring device can follow the thickness on two sides simultaneous measurement electric core seal limits, and measuring result is more accurate to need not to flatten the seal limit, promoted measurement of efficiency.
To achieve the purpose, the utility model adopts the following technical proposal:
this laminate polymer electric core plastic-aluminum membrane seal limit thickness measuring device includes the thickness measuring platform and sets up two thickness measuring subassemblies on the thickness measuring platform relatively along the first direction, and the thickness measuring subassembly includes actuating mechanism and thickness measuring mechanism, and thickness measuring mechanism drive connection is in actuating mechanism, and actuating mechanism installs on the thickness measuring platform, and two actuating mechanism are configured as two thickness measuring mechanisms of one-to-one drive and are close to or keep away from relatively along the first direction on the thickness measuring platform.
Optionally, the driving mechanism includes a driving cylinder and a transferring platform, the driving cylinder is fixedly arranged on the thickness measuring platform, the transferring platform is connected to an output end of the driving cylinder, the transferring platform is provided with the thickness measuring mechanism, and the driving cylinder can drive the transferring platform to move on the thickness measuring platform along a first direction.
Optionally, a first guide rail is arranged on the thickness measuring platform along the first direction, a first sliding block is arranged on the transfer platform, and the first sliding block is connected with the first guide rail in a sliding manner.
Optionally, the first guide rail is provided with a plurality of first guide rails, the plurality of first guide rails are distributed at intervals along a second direction, and the second direction is perpendicular to the first direction.
Optionally, a stop block is fixedly arranged on the first guide rail, the stop block is located between the two oppositely-arranged transfer platforms, and two side faces of the stop block along the first direction can be respectively abutted to the two oppositely-arranged transfer platforms so as to limit the gap between the two oppositely-arranged thickness measuring mechanisms to be not smaller than the thickness of the battery cell to be measured.
Optionally, the number of the thickness measuring mechanisms is multiple, the multiple thickness measuring mechanisms are distributed on the transfer platform at intervals along a second direction, and the second direction is perpendicular to the first direction.
Optionally, the thickness measuring mechanism includes a laser displacement sensor and a focus fine adjustment support, the laser displacement sensor is mounted on the focus fine adjustment support, the focus fine adjustment support is mounted on the transfer platform, and the focus fine adjustment support is used for adjusting the focus of the laser displacement sensor.
Optionally, a second guide rail is arranged on the transfer platform along the second direction, and a second slider slidably connected with the second guide rail is arranged on the fine focus adjustment support.
Optionally, the second guide rails are provided in plurality, and the plurality of second guide rails are distributed on the transfer platform at intervals along the first direction.
Optionally, a fixture is further arranged on the thickness measuring platform, and the fixture is used for fixing the battery cell to be measured.
Has the advantages that:
this laminate polymer core plastic-aluminum membrane seal limit thickness measuring device includes along two thickness measuring subassemblies of first direction symmetry setting on the thickness measuring platform to be close to or keep away from along the first direction relatively on the thickness measuring platform through two actuating mechanism one-to-ones drive two thickness measuring mechanisms, two thickness measuring mechanisms measure the seal limit thickness of electric core and record the same position simultaneously from the electric core both sides that await measuring, and measuring result is more accurate, and need not to flatten the seal limit of electric core, has promoted measurement efficiency.
Drawings
Fig. 1 is an axonometric view of an aluminum plastic film sealing edge thickness measuring device for a soft package battery cell provided by the embodiment of the invention;
FIG. 2 is an isometric view of a thickness gauge assembly provided in accordance with an embodiment of the present invention;
fig. 3 is an isometric view of a thickness measuring mechanism provided by an embodiment of the present invention.
In the figure:
100. a thickness measuring platform; 110. a first guide rail; 111. a stopper;
200. a thickness measuring component; 210. a drive mechanism; 211. a driving cylinder; 212. a transfer platform; 213. a second guide rail; 214. a first slider; 220. a thickness measuring mechanism; 221. a laser displacement sensor; 222. a focus fine adjustment support; 223. and a second slider.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Referring to fig. 1, fig. 1 is an isometric view of a thickness measuring device for sealing and edge-measuring an aluminum-plastic film of a flexible package cell in this embodiment, where the thickness measuring device for sealing and edge-measuring an aluminum-plastic film of a flexible package cell in this embodiment includes a thickness measuring platform 100 and two thickness measuring assemblies 200 relatively disposed on the thickness measuring platform 100 along a first direction, each thickness measuring assembly 200 includes a driving mechanism 210 and a thickness measuring mechanism 220, each thickness measuring mechanism 220 is connected to an output end of the driving mechanism 210, the driving mechanism 210 is mounted on the thickness measuring platform 100, and the two driving mechanisms 210 are configured to drive the two thickness measuring mechanisms 220 to relatively approach or leave the thickness measuring platform 100 along the first direction in a one-to-one correspondence manner, and when the two driving mechanisms approach, thickness measuring operations are performed simultaneously from two sides of the electrical core to be measured. This soft-packaged electrical core plastic-aluminum membrane seal limit thickness measurement device is through two thickness measurement mechanisms 220 that the symmetry set up, realizes carrying out the thickness measurement to same position from the two sides of the electric core that awaits measuring, has solved the unilateral thickness measurement pressure head and has leaded to the problem that the thickness measurement device measured value is big on the left because of the seal limit that can't flatten for measuring result is more accurate, and need not to flatten the seal limit of the electric core that awaits measuring, has promoted measurement of efficiency.
It should be noted that, in this embodiment, the first direction is an X direction shown in fig. 1 and fig. 2, that is, a thickness direction of the battery cell to be tested, the second direction is a Y direction shown in fig. 1 and fig. 2, that is, a length direction of the battery cell to be tested, and the second direction is perpendicular to the first direction.
Further, a fixture (not shown in the figure) is further disposed on the thickness measuring platform 100, and the fixture is used for fixing the battery cell to be measured. The clamp is used for fixing the battery cell to be measured during measurement, and the battery cell to be measured is prevented from shaking during measurement to influence the measurement result, so that the measurement result is more accurate.
Referring to fig. 2, preferably, the driving mechanism 210 includes a driving cylinder 211 and a transferring platform 212, the driving cylinder 211 is fixedly disposed on the thickness measuring platform 100, the transferring platform 212 is connected to an output end of the driving cylinder 211, the thickness measuring mechanism 220 is mounted on the transferring platform 212, and the driving cylinder 211 can drive the transferring platform 212 to move on the thickness measuring platform 100 along a first direction. The shifting platform 212 and the thickness measuring mechanisms 220 on the shifting platform 212 are driven to move by driving the air cylinder 211, so that the two thickness measuring mechanisms 220 are relatively close to or far away from two sides of the electric core to be measured, and the thickness measurement can be conveniently carried out on the same position; meanwhile, the driving cylinder 211 can simply realize rapid linear circulating motion, the structure is simple, the maintenance is convenient, the output end of the driving cylinder is stably moved, the moving of the moving and loading platform 212 connected with the output end is more stable, and errors generated during measurement are further reduced.
In a preferred embodiment, a plurality of thickness measuring mechanisms 220 may be provided, and the plurality of thickness measuring mechanisms 220 are spaced apart from each other in the second direction on the transfer platform 212. Preferably, the thickness measuring mechanisms 220 on the two transfer platforms 212 are arranged in a one-to-one opposite manner, the thickness measuring mechanisms 220 in a pair which are arranged oppositely measure the same position of the battery cell to be measured, and the thickness measuring mechanisms 220 measure different positions of the seal edge of the same battery cell to be measured simultaneously, so that on one hand, the battery cell to be measured does not need to be moved to change the measurement position, the measurement efficiency is improved, and on the other hand, the measurement error generated by the movement of the battery cell is reduced.
With reference to fig. 2, preferably, the thickness measuring platform 100 is provided with a first guide rail 110 along a first direction, the transferring platform 212 is provided with a first slider 214, and the first slider 214 is slidably connected to the first guide rail 110. The first guide rail 110 not only can enable the thickness measuring mechanism 220 on the transfer platform 212 to move smoothly, but also has a guiding function, so that the two thickness measuring mechanisms 220 which are arranged oppositely can be relatively close to or far away from each other along the first direction accurately, and the measuring accuracy is further improved. Further, the first guide rail 110 is provided in plurality, and the plurality of first guide rails 110 are spaced apart in the second direction. In this embodiment, two first guide rails 110 are provided, and the two first guide rails 110 are parallel to each other and are respectively located at two ends of the transfer platform 212 in the length direction. The plurality of first guide rails 110 further improve the guiding precision of the thickness measuring mechanism 220 which is relatively close to or far away from the thickness measuring mechanism, ensure the precision of the moving direction during measurement and reduce the measurement error.
Preferably, the gap between the two thickness measuring mechanisms 220 arranged oppositely is not smaller than the thickness of the sealing edge of the battery core to be measured all the time. Specifically, a stop 111 is fixedly arranged on the first guide rail 110, the stop 111 is located between two oppositely-arranged transfer platforms 212, and two side surfaces of the stop 111 along the first direction can be respectively abutted to the two oppositely-arranged transfer platforms 212, so as to limit a gap between the two oppositely-arranged thickness measuring mechanisms 220 to be not smaller than the thickness of the battery cell to be measured. Through the limiting effect of above-mentioned dog, when two thickness measuring mechanisms 220 that set up relatively are close to along the first direction relatively, the minimum clearance between two thickness measuring mechanisms 220 can be not less than the thickness of the electric core that awaits measuring all the time, prevents that thickness measuring mechanism 220 extrusion from damaging the electric core that awaits measuring.
Referring to fig. 2 and 3, in the present embodiment, the thickness measuring mechanism 220 includes a laser displacement sensor 221 and a fine focus adjustment support 222, the laser displacement sensor 221 is mounted on the fine focus adjustment support 222, the fine focus adjustment support 222 is mounted on the transfer platform 212, and the fine focus adjustment support 222 is used for adjusting the focal length of the laser displacement sensor 221. The laser displacement sensors 221 which are arranged oppositely are used for measuring the same seal position of the electric core to be measured at the same time, the thickness value of the seal edge is calculated through the displacement of the two sensors, and the problem that the measurement value of the seal thickness measuring device is large due to the fact that the seal edge cannot be flattened by the single-side thickness measuring pressure head is solved. Meanwhile, the laser sensor adopts non-contact thickness measurement, actions such as sealing edges do not need to be compressed, steps in measurement are reduced, measurement efficiency is higher, and the outer surface of the electric core to be measured cannot be damaged in measurement.
Optionally, the second guide rail 213 is disposed on the transferring platform 212 along the second direction, and the second slider 223 slidably connected to the second guide rail 213 is disposed on the fine focus adjustment support 222, so that the fine focus adjustment support 222 can drive the laser displacement sensor 221 to slide along the transferring platform 212. Further, the second guide rails 213 are provided in plural, and the plural second guide rails 213 are distributed on the transfer platform 212 at intervals along the first direction. In this embodiment, two second rails 213 are provided on one transfer platform 212, and the two second rails 213 are parallel to each other. This second guide rail 213 not only has the guide effect, can make thickness measuring mechanism 220 move along the second direction smoothly and accurately to measure the different positions on the electric core seal limit that awaits measuring, make two thickness measuring mechanisms 220 of relative setting can set up relatively all the time simultaneously, so that the position when measuring is the same all the time.
In this embodiment, the specific working process of the above-mentioned soft-packaged electrical core aluminum-plastic film seal edge thickness measuring device is: the driving cylinder 211 drives the transferring platform 212 to enable the two laser displacement sensors 221 which are arranged oppositely to reach the thickness measuring position, meanwhile, the distance between the laser displacement sensors 221 and the aluminum plastic film sealing edge meets the requirement of the focal length of the laser displacement sensors 221, the focal length fine-tuning support 222 is used for fine tuning the laser displacement sensors 221, the focal length of the laser displacement sensors is located on the sealing edge of the to-be-measured battery cell, and the thickness of the to-be-measured battery cell sealing edge is obtained through calculation of the displacement of the two laser displacement sensors 221. This laminate core plastic-aluminum membrane seal limit thickness measurement device has solved the unilateral thickness measurement pressure head and has leaded to the problem that the thickness measurement device measured value is big partially because of the seal limit that can't flatten for measuring result is more accurate, and need not to flatten the seal limit of the electric core that awaits measuring, has promoted measurement of efficiency greatly.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a laminate side thickness measuring device of laminate side core plastic-aluminum membrane seal, its characterized in that includes thickness measuring platform (100) and sets up relatively along first direction two thickness measuring subassembly (200) on thickness measuring platform (100), thickness measuring subassembly (200) include actuating mechanism (210) and thickness measuring mechanism (220), actuating mechanism (210) install in on thickness measuring platform (100), the output of actuating mechanism (210) connect in thickness measuring mechanism (220), two actuating mechanism (210) are configured into the one-to-one drive two thickness measuring mechanism (220) are in follow on thickness measuring platform (100) the first direction is close to relatively or keeps away from.
2. The soft package electric core aluminum plastic film seal edge thickness measuring device of claim 1, characterized in that, the driving mechanism (210) comprises a driving cylinder (211) and a transferring platform (212), the driving cylinder (211) is fixedly arranged on the thickness measuring platform (100), the transferring platform (212) is connected to the output end of the driving cylinder (211), the transferring platform (212) is provided with the thickness measuring mechanism (220), and the driving cylinder (211) can drive the transferring platform (212) to move along the first direction on the thickness measuring platform (100).
3. The soft package electric core aluminum-plastic film sealing edge thickness measuring device of claim 2, wherein a first guide rail (110) is arranged on the thickness measuring platform (100) along the first direction, a first sliding block (214) is arranged on the transferring platform (212), and the first sliding block (214) is slidably connected with the first guide rail (110).
4. The soft package core aluminum-plastic film sealing edge thickness measuring device of claim 3, wherein the first guide rail (110) is provided in plurality, the first guide rails (110) are distributed at intervals along a second direction, and the second direction is perpendicular to the first direction.
5. The soft package battery core aluminum plastic film sealing edge thickness measuring device according to claim 3, wherein a stopper (111) is fixedly arranged on the first guide rail (110), the stopper (111) is located between the two oppositely-arranged transfer platforms (212), and two side surfaces of the stopper (111) along the first direction can be respectively abutted against the two oppositely-arranged transfer platforms (212) so as to limit the gap between the two oppositely-arranged thickness measuring mechanisms (220) to be not smaller than the thickness of the battery cell to be measured.
6. The soft package core aluminum plastic film sealing edge thickness measuring device of claim 3, wherein the number of the thickness measuring mechanisms (220) is plural, and the plural thickness measuring mechanisms (220) are distributed on the transfer platform (212) at intervals along a second direction, and the second direction is perpendicular to the first direction.
7. The edge sealing and thickness measuring device for the aluminum plastic film with the soft package core according to any one of claims 3 to 6, wherein the thickness measuring mechanism (220) comprises a laser displacement sensor (221) and a fine focus adjustment support (222), the laser displacement sensor (221) is mounted on the fine focus adjustment support (222), the fine focus adjustment support (222) is mounted on the transfer platform (212), and the fine focus adjustment support (222) is used for adjusting the focal length of the laser displacement sensor (221).
8. The soft package electric core aluminum plastic film sealing edge thickness measuring device of claim 7, wherein a second guide rail (213) is arranged on the transferring platform (212) along the second direction, and a second sliding block (223) slidably connected with the second guide rail (213) is arranged on the fine focus adjusting support (222).
9. The soft package core aluminum-plastic film sealing edge thickness measuring device of claim 8, wherein the second guide rail (213) is provided with a plurality of second guide rails (213), and the plurality of second guide rails (213) are distributed on the transfer platform (212) at intervals along a first direction.
10. The soft package battery core aluminum plastic film sealing edge thickness measuring device of claim 1, wherein a clamp is further arranged on the thickness measuring platform (100), and the clamp is used for fixing a battery core to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123377507.3U CN216593226U (en) | 2021-12-29 | 2021-12-29 | Soft-packaged electrical core plastic-aluminum membrane seal limit thickness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123377507.3U CN216593226U (en) | 2021-12-29 | 2021-12-29 | Soft-packaged electrical core plastic-aluminum membrane seal limit thickness measuring device |
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| Publication Number | Publication Date |
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| CN216593226U true CN216593226U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123377507.3U Active CN216593226U (en) | 2021-12-29 | 2021-12-29 | Soft-packaged electrical core plastic-aluminum membrane seal limit thickness measuring device |
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| CN (1) | CN216593226U (en) |
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- 2021-12-29 CN CN202123377507.3U patent/CN216593226U/en active Active
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