CN216523788U - Laminate polymer battery thickness detection device - Google Patents
Laminate polymer battery thickness detection device Download PDFInfo
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- CN216523788U CN216523788U CN202123102890.1U CN202123102890U CN216523788U CN 216523788 U CN216523788 U CN 216523788U CN 202123102890 U CN202123102890 U CN 202123102890U CN 216523788 U CN216523788 U CN 216523788U
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Abstract
The utility model relates to the technical field of soft-package batteries, and discloses a device for detecting the thickness of a soft-package battery. Laminate polymer battery thickness detection device includes lifting unit, pushes down subassembly and displacement sensor. The lifting assembly comprises a connecting piece capable of ascending or descending; the pressing assembly comprises a guide rod and a pressing plate, the guide rod extends vertically and is connected to the connecting piece, an air floatation linear bearing is arranged between the guide rod and the connecting piece, and the bottom end of the guide rod is connected to the pressing plate; the displacement sensor is capable of measuring the displacement of the platen. The utility model can reduce the influence of the friction force on the force applied by the pressing plate to the soft package battery, reduce the difference between the force applied to the soft package battery and the preset pressure, ensure the accuracy of the detection result of the thickness dimension of the soft package battery and improve the qualification rate of the product.
Description
Technical Field
The utility model relates to the technical field of soft package batteries, in particular to a device for detecting the thickness of a soft package battery.
Background
With the development of science and technology, the miniaturization of intelligent equipment is an inevitable trend. The smart device generally uses the pouch battery, so the requirement on the thickness dimension of the pouch battery is more strict, and therefore the thickness of the pouch battery needs to be detected before the delivery. At present, the method for measuring the thickness of the soft package battery is generally to press a weight with a specified weight on the battery and then detect the thickness of the battery. The existing scheme adopts mechanisms such as a sliding rail to lift the heavy objects, and due to the influence of the friction force of the sliding rail mechanism, the pressure actually applied to the battery by the heavy objects has deviation, so that the accuracy of the detection result of the thickness dimension of the soft package battery is influenced, and the qualification rate of the product is influenced.
Based on this, there is a need for a soft package battery thickness detection device to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for detecting the thickness of a soft package battery, which is used for reducing the influence of friction force on the force applied by a pressing plate to the soft package battery, reducing the difference between the force applied to the soft package battery and preset pressure, ensuring the accuracy of the detection result of the thickness of the soft package battery and improving the qualified rate of products.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a laminate polymer battery thickness detection device comprises:
the lifting assembly comprises a connecting piece capable of ascending or descending;
the pressing assembly comprises a guide rod and a pressing plate, the guide rod extends vertically and is connected to the connecting piece, an air floatation linear bearing is arranged between the guide rod and the connecting piece, and the bottom end of the guide rod is connected to the pressing plate;
a displacement sensor capable of measuring a displacement of the platen.
As an optional technical scheme of laminate polymer battery thickness detection device, laminate polymer battery thickness detection device still includes survey reference piece, survey reference piece can dismantle connect in the clamp plate orientation one side of displacement sensor, displacement sensor can measure survey the displacement of reference piece.
As an optional technical scheme of the soft package battery thickness detection device, at least two guide rods are arranged and arranged at intervals in the horizontal direction.
As an optional technical scheme of laminate polymer battery thickness detection device, lifting unit still includes the lift driving piece, the lift driving piece can drive the connecting piece rises or descends.
As an optional technical scheme of laminate polymer battery thickness detection device, lifting unit still includes the guide rail, the guide rail extends along vertical direction, the connecting piece can be followed the guide rail slides.
As an optional technical scheme of laminate polymer battery thickness detection device, elevating module still includes the installed part, the guide rail is arranged in on the installed part, the spacing groove has been seted up on the installed part, the spacing groove extends along vertical direction, be connected with the stopper on the connecting piece, the stopper is arranged in the spacing inslot can be followed the spacing groove slides.
As an optional technical scheme of the soft package battery thickness detection device, an avoiding channel is formed on the connecting piece and penetrates through two opposite sides of the connecting piece.
As an optional technical scheme of laminate polymer battery thickness detection device, the connecting piece includes first connecting portion and second connecting portion, first connecting portion connect in the output of lift driving piece, second connecting portion connect in the guide arm, first connecting portion with second connecting portion interconnect and lock form dodge the passageway.
As an optional technical scheme of laminate polymer battery thickness detection device, be provided with the installing support on the connecting piece, displacement sensor install in on the installing support.
As an optional technical scheme of the soft-package battery thickness detection device, the soft-package battery thickness detection device further comprises a rotary table, wherein the rotary table is located below the pressing plate, and the rotary table is used for bearing the soft-package battery and can rotate around a vertical axis.
The utility model has the beneficial effects that:
the utility model provides a device for detecting the thickness of a soft package battery, which comprises a lifting assembly, a pressing assembly and a displacement sensor, wherein a pressing plate is connected with a connecting piece through a guide rod, the guide rod is connected with the connecting piece, an air floatation linear bearing is arranged between the guide rod and the connecting piece, a lubricating medium of the air floatation linear bearing is gas, and the friction force existing between the guide rod and the connecting piece is reduced, so that the influence of the friction force on the force applied to the soft package battery by the pressing plate is reduced, the difference value between the magnitude of the force applied to the soft package battery and the preset pressure is reduced, the accuracy of the detection result of the thickness dimension of the soft package battery is ensured, and the qualification rate of products is improved.
Drawings
Fig. 1 is a schematic structural diagram of a soft package battery thickness detection device provided by an embodiment of the utility model;
fig. 2 is a cross-sectional view of a pouch battery thickness detection device provided by an embodiment of the utility model.
In the figure:
1. a connecting member; 11. a first connection portion; 12. a second connecting portion; 13. avoiding the channel;
2. a guide bar; 3. pressing a plate; 4. an air-floating linear bearing; 5. a displacement sensor; 51. mounting a bracket;
6. determining a reference piece; 7. a lifting drive member; 71. a piston rod; 8. a guide rail;
9. a mounting member; 91. a limiting groove; 92. a limiting block;
10. a base; 101. connecting holes; 102. avoiding the groove.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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, removably 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment provides a laminate polymer battery thickness detection device. Specifically, as shown in fig. 1 and 2, the pouch cell thickness detection device includes a lifting assembly, a pressing assembly, and a displacement sensor 5. The lifting assembly comprises a connecting piece 1 capable of ascending or descending; the pressing assembly comprises a guide rod 2 and a pressing plate 3, the guide rod 2 extends vertically and penetrates through the connecting piece 1, an air floatation linear bearing 4 is arranged between the guide rod 2 and the connecting piece 1, and the bottom end of the guide rod 2 is connected to the pressing plate 3; and a displacement sensor 5 capable of measuring the displacement of the platen 3.
The laminate polymer battery thickness detection device that this embodiment provided, including lifting unit, push down subassembly and displacement sensor 5, clamp plate 3 passes through guide arm 2 and is connected with connecting piece 1, guide arm 2 is connected in connecting piece 1, and set up air supporting linear bearing 4 between guide arm 2 and the connecting piece 1, air supporting linear bearing 4's lubricant is gaseous, the frictional force that exists between guide arm 2 and the connecting piece 1 has been reduced, thereby the influence of frictional force to the power of clamp plate 3 to laminate polymer battery has been reduced, the size of the power that receives on the laminate polymer battery and the difference between the pressure of predetermineeing have been reduced, laminate polymer battery's thickness dimension's testing result's accuracy has been guaranteed, the qualification rate of product has been improved.
Further, laminate polymer battery thickness detection device still includes base 10, and lifting unit, push down subassembly and displacement sensor 5 all set up on base 10. Set up base 10, improved laminate polymer battery thickness detection device's wholeness, the transportation of being convenient for has improved the practicality. Specifically, the connecting member 1 is disposed at the top end of the base 10 and located at one side of the base 10. In this embodiment, the base 10 has a plurality of connecting holes 101 formed at the bottom thereof for connecting the base 10 to other external structures.
Preferably, laminate polymer battery thickness detection device still includes the revolving stage, and the revolving stage is located clamp plate 3 below, and is located one side of base 10, and the revolving stage is used for bearing laminate polymer battery and can rotate around vertical axis. Set up the revolving stage, be convenient for adjust laminate polymer battery's detection position, improved the practicality. The bottom of the rotary table is provided with a lifting mechanism for adjusting the height of the rotary table. The turntable can be driven to rotate by a motor or other structures, and the air cylinder is used for driving the turntable to ascend and descend, which is not limited herein. For convenience of description, the turntable is set to be located at the front side of the base 10.
In other embodiments, a fixed carrier may be further provided for carrying the pouch battery, or a lifting carrier may be further provided for carrying the pouch battery, which is not limited herein.
Preferably, the lifting assembly further comprises a guide rail 8, the guide rail 8 is disposed on one side of the top of the base 10, and the guide rail 8 is specifically located on the front side of the base 10. Guide rail 8 extends along vertical direction, and connecting piece 1 can be followed guide rail 8 and slided, and connecting piece 1 can drive to push down the subassembly promptly and remove along vertical direction in the revolving stage top, realizes that clamp plate 3 can compress tightly or relax the laminate polymer battery on the revolving stage to laminate polymer battery's thickness detection can be carried out. Set up guide rail 8, can guide the removal route of connecting piece 1, guaranteed that connecting piece 1 can accurately press on laminate polymer battery, guaranteed the degree of accuracy of thickness testing result.
Further, the lifting assembly further comprises a mounting 9, the guide rail 8 being placed on the mounting 9. Offer on the front side lateral wall at base 10 top and dodge groove 102, installed part 9 is platelike, is located and dodges the inslot 102 to be connected with base 10 through the fastener, guide rail 8 is located the leading flank of installed part 9. The avoiding groove 102 penetrates the top surface and the left and right side surfaces of the base 10, so that the mounting member 9 can be conveniently connected with the base 10. Dodge and form the step face between groove 102 bottom surface and the leading flank of base 10, the step face can bear installed part 9, has avoided installed part 9, guide rail 8, connecting piece 1 and push down the subassembly and break away from with base 10, has guaranteed laminate polymer battery thickness detection device's structural stability, has guaranteed laminate polymer battery thickness detection device's durability.
In this embodiment, the guide rail 8 and the mounting member 9 are arranged to be of an integral structure, and the guide rail 8 is arranged to be two, and the two guide rails 8 are arranged at intervals along the horizontal direction, so that the guide function of the connecting member 1 is ensured. In other embodiments, the guide rail 8 and the mounting member 9 may be detachably connected by bolts or the like, or may be connected by welding, which is not limited herein.
In this embodiment, the top surface of the mounting member 9 is higher than the top surface of the base 10. In other embodiments, the top surface of the mounting member 9 may be higher or lower than the top surface of the base 10, and is not limited herein.
Preferably, the mounting member 9 is provided with a limiting groove 91. The spacing groove 91 extends along the vertical direction, and connecting piece 1 is last to be connected with stopper 92, and stopper 92 arranges the spacing inslot 91 in and can slide along spacing groove 91. Set up spacing groove 91 and stopper 92, the cell wall of spacing groove 91 top and bottom can backstop stopper 92, thereby can restrict connecting piece 1's maximum displacement distance, thereby guaranteed except that clamp plate 3 and guide arm 2's gravity, connecting piece 1 can not exert extra pressure to laminate polymer battery, thereby avoided laminate polymer battery to lead to damaging because of the too big pressure that receives, laminate polymer battery's detection security has been guaranteed, also can avoid influencing the accuracy of product qualification rate and thickness testing result.
Further, spacing groove 91 is seted up on the leading flank of installed part 9, and when the bottom of stopper 92 and the cell wall contact of spacing groove 91 bottom, briquetting 3 and the top surface contact of revolving stage, when the cell wall contact at the top of stopper 92 and spacing groove 91 top, the bottom surface of briquetting 3 is higher than the top surface of the laminate polymer battery of placing on the revolving stage.
In this embodiment, the limiting groove 91 is provided between the two guide rails 8, so that the two guide rails 8 can shield the limiting block 92 from two directions, and the protection effect on the limiting block 92 is achieved.
Preferably, the lifting assembly further comprises a lifting drive 7, the lifting drive 7 being capable of driving the connecting member 1 up or down. Set up lift driving piece 7, improved laminate polymer battery thickness detection device's degree of automation, realized that automatic drive connecting piece 1 goes up and down, improved practicality and convenience in use. In the present embodiment, the lift drive 7 is provided as a cylinder. Specifically, the cylinder of the lifting driving member 7 is fixed on the top of the mounting member 9, and the piston rod 71 of the lifting driving member 7 vertically extends downwards to between the two guide rails 8 and is connected with the connecting member 1, so as to drive the connecting member 1 to ascend or descend. And the end of the piston rod 71 is connected with a limit block 92, so that the limit block 92 and the connecting piece 1 are driven to ascend or descend synchronously. In other embodiments, the lifting driving member 7 may also be configured as a linear motor, and the like, which is not limited herein.
Preferably, as shown in fig. 1 and 2, the connecting member 1 is formed with escape passages 13, and the escape passages 13 penetrate through opposite sides of the connecting member 1. Set up and dodge passageway 13, can make the last cable of laminate polymer battery thickness detection device pass through, can also dodge other exterior structure, improved the practicality.
Specifically, connecting piece 1 includes first connecting portion 11 and second connecting portion 12, first connecting portion 11 is located the rear side of connecting piece 1 and is connected in the output of lift driving piece 7, second connecting portion 12 is located the front side of connecting piece 1 and is connected in guide arm 2, first connecting portion 11 and second connecting portion 12 interconnect and lock form dodge passageway 13, do benefit to the cable protection inside connecting piece 1, the cable damage has been avoided, laminate polymer battery thickness detection device's durability has been guaranteed.
In this embodiment, the first connecting portion 11 and the second connecting portion 12 are both U-shaped, the openings of the first connecting portion 11 and the second connecting portion 12 are opposite, the inner side walls of the two connecting arms of the first connecting portion 11 are attached to the outer side walls of the two connecting arms of the second connecting portion 12, and the first connecting portion 11 and the second connecting portion 12 are connected through fasteners such as bolts, so that the buckling is realized to form the avoiding channel 13.
Preferably, the second connecting portion 12 is connected to at least two guide rods 2, and the at least two guide rods 2 are arranged at intervals along the horizontal direction. Due to the structural arrangement, the number of the guide rods 2 is increased, and the guide effect of the guide rods 2 on the pressing plate 3 is guaranteed. It can be understood that, since the guide rods 2 are connected to the connecting member 1 through the air-floating linear bearings 4, that is, at least two air-floating linear bearings 4 are disposed on the second connecting portion 12, and the number of the air-floating linear bearings 4 corresponds to the number of the guide rods 2.
In the present embodiment, two guide rods 2 and two air-bearing linear bearings 4 are provided, the air-bearing linear bearings 4 are provided on the front side surface of the second connecting portion 12, and the two guide rods 2 are respectively connected to two ends of the pressing plate 3. Specifically, the guide rod 2 is detachably connected with the pressing plate 3, so that different pressing plates 3 can be replaced conveniently according to the soft package batteries 10 with different sizes.
Preferably, the second connecting portion 12 of the connector 1 is provided with a mounting bracket 51, and the displacement sensor 5 is mounted on the mounting bracket 51. The installation support 51 is arranged, so that the connection position of the displacement sensor 5 can be determined conveniently, the assembly of the device is facilitated, and the production efficiency is ensured. In the present embodiment, the displacement sensor 5 is located directly above the pressure plate 3, that is, the mounting bracket 51 is located at the top of the link 1. The displacement sensor 5 adopts a laser displacement sensor, and the transmitting end and the receiving end of the laser displacement sensor are both arranged downwards. Further, the pressure plate 3 is located below the space between the two air-bearing linear bearings 4, and the displacement sensor 5 is arranged opposite to the space and located right above the space.
Specifically, two mounting holes are formed in the displacement sensor 5. Two sensor mounting holes have been seted up on installing support 51, and when displacement sensor 5 installed on installing support 51, two sensor mounting holes can just right with two mounting holes to fix displacement sensor 5 on installing support 51 through the fastener, guaranteed that displacement sensor 5 can stable mounting on connecting piece 1.
Currently, the displacement sensor 5 is roughly in the shape of a rectangular parallelepiped, and two mounting holes are opened on one side surface, and the two mounting holes are located on one diagonal line of the side surface. In this embodiment, the mounting bracket 51 is L-shaped, the mounting bracket 51 is located at one side of the displacement sensor 5, two ends of the mounting bracket 51 are respectively provided with a sensor mounting hole, and when the displacement sensor 5 is mounted on the mounting bracket 51, two ends of the mounting bracket 51 are respectively located at two ends of the diagonal line.
Preferably, the laminate battery thickness detection device further comprises a determination reference part 6, the determination reference part 6 is detachably connected to one side, facing the displacement sensor 5, of the pressing plate 3, and the displacement sensor 5 measures the displacement of the determination reference part 6 to realize the measurement of the displacement of the pressing plate 3. When detecting laminate polymer battery of different thickness or survey reference member 6 and need changing, can dismantle with survey reference member 6 and clamp plate 3 and be connected, be convenient for change survey reference member 6 for laminate polymer battery's thickness data is more accurate. In the present embodiment, the determination reference member 6 has a circular rod shape, an axis thereof extends in a vertical direction, and the determination reference member 6 is located at a space between the two air linear bearings 4.
For convenience of understanding, the use method of the soft package battery thickness detection device provided by the embodiment is as follows:
first, the appropriate measurement reference member 6 and the pressing plate 3 are attached according to the size of the pouch battery whose thickness is to be detected, and the height of the turntable 2 is adjusted. The height of the rotary table needs to meet the following requirements: lifting drive spare 7 drives clamp plate 3 and descends, until the bottom of stopper 92 and the cell wall contact of spacing groove 91 bottom, the top surface contact of briquetting 3 and revolving stage this moment, and laminate polymer battery when placing on the revolving stage, the bottom surface of briquetting 3 is higher than laminate polymer battery. Next, the lifting drive member 7 drives the platen 3 to ascend until the top surface of the stopper 92 contacts with the groove wall at the top of the stopper groove 91. The pouch cells were then placed on a turntable. Finally, the lifting driving member 7 drives the pressing plate 3 to descend until the bottom of the limiting block 92 contacts with the groove wall at the bottom of the limiting groove 91, and the displacement data of the pressing plate 3 measured by the displacement sensor 5 is the thickness of the soft package battery.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be 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 polymer battery thickness detection device which characterized in that includes:
a lifting assembly comprising a connecting member (1) capable of being raised or lowered;
the pressing assembly comprises a guide rod (2) and a pressing plate (3), the guide rod (2) extends vertically and is connected to the connecting piece (1), an air-float linear bearing (4) is arranged between the guide rod (2) and the connecting piece (1), and the bottom end of the guide rod (2) is connected to the pressing plate (3);
a displacement sensor (5) capable of measuring a displacement of the platen (3).
2. The pouch cell thickness detection device according to claim 1, further comprising an assay reference member (6), wherein the assay reference member (6) is detachably connected to a side of the pressure plate (3) facing the displacement sensor (5), and the displacement sensor (5) is capable of measuring the displacement of the assay reference member (6).
3. The laminate battery thickness detection device according to claim 1, wherein the number of the guide rods (2) is at least two, and the at least two guide rods (2) are arranged at intervals along the horizontal direction.
4. The laminate battery thickness detection device according to claim 1, characterized in that the lifting assembly further comprises a guide rail (8), the guide rail (8) extends in a vertical direction, and the connecting piece (1) can slide along the guide rail (8).
5. The laminate polymer battery thickness detection device of claim 4, wherein the lifting assembly further comprises a mounting member (9), the guide rail (8) is arranged on the mounting member (9), a limiting groove (91) is formed in the mounting member (9), the limiting groove (91) extends in the vertical direction, a limiting block (92) is connected to the connecting member (1), and the limiting block (92) is arranged in the limiting groove (91) and can slide along the limiting groove (91).
6. The laminate battery thickness detection device according to claim 1, wherein the lifting assembly further comprises a lifting driving member (7), and the lifting driving member (7) can drive the connecting member (1) to ascend or descend.
7. The laminate battery thickness detection device according to claim 6, characterized in that an avoidance channel (13) is formed on the connecting piece (1), and the avoidance channel (13) penetrates through two opposite sides of the connecting piece (1).
8. The soft package battery thickness detection device according to claim 7, wherein the connecting member (1) comprises a first connecting portion (11) and a second connecting portion (12), the first connecting portion (11) is connected to the output end of the lifting driving member (7), the second connecting portion (12) is connected to the guide rod (2), and the first connecting portion (11) and the second connecting portion (12) are connected to each other and buckled to form the avoiding channel (13).
9. The laminate battery thickness detection device according to claim 1, wherein a mounting bracket (51) is arranged on the connecting piece (1), and the displacement sensor (5) is mounted on the mounting bracket (51).
10. The pouch cell thickness detection device according to any one of claims 1 to 9, further comprising a turntable located below the pressure plate (3), the turntable being configured to carry a pouch cell and being rotatable about a vertical axis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123102890.1U CN216523788U (en) | 2021-12-08 | 2021-12-08 | Laminate polymer battery thickness detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123102890.1U CN216523788U (en) | 2021-12-08 | 2021-12-08 | Laminate polymer battery thickness detection device |
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| CN216523788U true CN216523788U (en) | 2022-05-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265388A (en) * | 2022-09-30 | 2022-11-01 | 苏州佳祺仕信息科技有限公司 | Soft package battery thickness measuring device and method |
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2021
- 2021-12-08 CN CN202123102890.1U patent/CN216523788U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265388A (en) * | 2022-09-30 | 2022-11-01 | 苏州佳祺仕信息科技有限公司 | Soft package battery thickness measuring device and method |
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Effective date of registration: 20220822 Address after: 215200 standard plant 7, Dongyun Science Park, No. 558, Shanhu West Road, Wujiang Economic and Technological Development Zone, Suzhou, Jiangsu Province Patentee after: Suzhou Bozhong intelligent robot Co.,Ltd. Address before: 215200 No. 666 Hu Xin Road, Wujiang economic and Technological Development Zone, Suzhou, Jiangsu Patentee before: BOZHON PRECISION INDUSTRY TECHNOLOGY Co.,Ltd. |
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