New energy battery tab detection equipment

Abstract

A new energy battery tab detection device provided by the utility model comprises a detection bench, a battery fixing clamp, a tab fixing clamp, a moving seat and a driving mechanism, the battery fixing clamp is installed on the detection bench and is used for fixing the end portion of one end of a battery, and the surface of the detection bench is provided with two mutually parallel chutes; a battery is placed on the detection table, one end of the tail of the battery is fixed through the battery fixing clamp, two tabs at the positive electrode and the negative electrode of the battery are fixed through the two tab fixing clamps respectively, and the driving mechanism drives the moving seat to move in the sliding groove in a reciprocating mode. The movable seat moves continuously, the tab fixing clamp generates flexible external pulling force on the tabs in cooperation with the first spring, the tab fixing clamp continuously generates outward pulling force on the tabs through continuous movement of the movable seat, then fatigue testing of the battery tabs is achieved, the automation degree is high, the requirement for simultaneous detection of the two tabs of the positive electrode and the negative electrode of the battery is met, the efficiency is high, and the working efficiency is high. The method is suitable for large-scale popularization.

Description

Technical Field

[0001] The utility model relates to the field of new energy battery tab detection, in particular to a new energy battery tab detection device. Background Art

[0002] In the manufacturing process of lithium batteries, tab welding is a crucial process link. The quality of welding not only affects the internal resistance, capacity and cycle life of the battery, but is also directly related to the safety and reliability of the battery during use. However, due to various factors that may exist in the welding process, such as improper control of welding temperature, pressure, time, etc., as well as differences in the materials themselves, tab welding defects such as loose welding, cold welding, and fracture may occur. These defects may gradually be exposed during the use of the battery, especially when experiencing stress conditions such as vibration, temperature changes, and charge and discharge cycles, resulting in battery performance degradation or even failure. Therefore, providing a new energy battery tab fatigue detection device has become an urgent problem to be solved. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] In order to solve the above problems in the prior art, the utility model provides a new energy battery tab detection device.

[0005] (2) Technical solution

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by this utility model include:

[0007] A new energy battery tab detection device, comprising a detection platform, a battery fixing fixture, a tab fixing fixture, a movable seat and a driving mechanism;

[0008] The battery fixing fixture is installed on the testing platform and is used to fix the end of one end of the battery;

[0009] The surface of the testing platform is provided with two parallel sliding grooves;

[0010] The movable seat is installed in the slide groove;

[0011] The driving mechanism is connected to the moving seat and is used to drive the moving seat to move back and forth in the sliding groove;

[0012] The upper surface of the movable seat is provided with a movable groove in the same direction as the sliding groove;

[0013] A first guide rod is provided in the movable groove, a slider is slidably mounted on the first guide rod, and a first spring is also sleeved on the first guide rod, one end of the first spring is connected to a side wall of the movable groove close to the battery fixing fixture, and the other end of the first spring is connected to the slider;

[0014] The tab fixing fixture is fixedly mounted on the top of the slider and is used to fix and clamp the battery tab.

[0015] Preferably, the driving mechanism includes a second guide rod, a second spring, a motor, a connecting rod and an eccentric wheel;

[0016] The second guide rod is installed in the slide groove;

[0017] The movable seat is slidably mounted on the second guide rod;

[0018] The second spring is sleeved on the second guide rod, one end of the second spring is connected to the side wall of the slide away from the battery fixing fixture, and the other end of the second spring is connected to the movable seat;

[0019] The connecting rod connects the bottoms of the movable seats in the two slide grooves;

[0020] The eccentric wheel is arranged on a side of the connecting rod close to the battery fixing fixture;

[0021] The motor is connected to the eccentric wheel.

[0022] Preferably, the battery fixing fixture includes an inverted L-shaped plate, a first clamping plate, a limiting rod and a first screw;

[0023] One end of the bottom of the vertical portion of the inverted L-shaped plate is fixedly mounted on the testing platform;

[0024] The first clamping plate is arranged directly below the horizontal portion of the inverted L-shaped plate;

[0025] There are multiple limit rods, which are vertically arranged on the top of the first clamping plate, and the horizontal part of the inverted L-shaped plate is provided with limit holes corresponding to the limit rods;

[0026] The first screw is threadedly connected to the horizontal portion of the inverted L-shaped plate, and passes through the horizontal portion of the inverted L-shaped plate to be rotatably connected to the first clamping plate.

[0027] Preferably, the tab fixing fixture comprises a shaped plate, a second clamping plate and a second screw;

[0028] The profile plate is fixed on the surface of the slider;

[0029] The second splint is arranged in the molded plate;

[0030] The second screw is threadedly connected to the top of the shaped plate and passes through the shaped plate to be rotatably connected to the second clamping plate.

[0031] Preferably, the movable seat includes an upper seat block and a lower seat block, and the tails of the upper seat block and the lower seat block are evenly distributed with a plurality of positioning holes arranged at equal intervals. The upper seat block and the lower seat block are fixed to each other by bolting the corresponding positioning holes.

[0032] (3) Beneficial effects

[0033] The beneficial effect of the present invention is that: by adopting the above technical scheme, the battery is placed on the test bench, one end of the battery tail is fixed by the battery fixing clamp, and then the two tabs at the positive and negative poles of the battery are fixed respectively by two tab fixing clamps. During the process of the driving mechanism driving the movable seat to move back and forth in the slide groove, the tab fixing clamp cooperates with the first spring to generate a flexible external pulling force on the tab. The continuous movement of the movable seat causes the tab fixing clamp to continuously generate an outward pulling force on the tab, thereby realizing fatigue testing of the battery tab. The present application has a high degree of automation, and can simultaneously meet the requirements of detecting the two tabs of the positive and negative poles of the battery, with high efficiency, and is suitable for large-scale promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a structural diagram of a new energy battery tab detection device;

[0035] Figure 2 This is a side view structural diagram of a new energy battery tab detection device;

[0036] Figure 3 for Figure 2 A magnified schematic diagram of the middle part;

[0037] Figure 4 This is a schematic diagram of the internal structure of a new energy battery tab detection device;

[0038] Figure 5 It is a structural diagram of the mobile seat.

[0039] [Description of Reference Numerals]

[0040] 1. Testing table;

[0041] 2. Battery fixing fixture;

[0042] 21. Inverted L-shaped plate; 22. First clamping plate; 23. First screw;

[0043] 3. Tab fixing fixture;

[0044] 31. profile plate; 32. second clamping plate; 33. second screw;

[0045] 4. Mobile seat;

[0046] 41. Lower seat block; 42. Upper seat block; 43. Positioning hole; 44. Bolt;

[0047] 5. Driving mechanism;

[0048] 51. Second guide rod; 52. Second spring; 53. Connecting rod; 54. Motor; 55. Eccentric wheel;

[0049] 6. First spring;

[0050] 7. First guide rod;

[0051] 8. Slider. DETAILED DESCRIPTION

[0052] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0053] Please refer to Figures 1 to 5 The utility model provides a new energy battery tab detection device, comprising a detection platform 1, a battery fixing fixture 2, a tab fixing fixture 3, a movable seat 4 and a driving mechanism 5;

[0054] The battery fixing fixture 2 is installed on the test bench 1 and is used to fix the end of one end of the battery;

[0055] Two parallel slides are provided on the surface of the testing table 1;

[0056] The movable seat 4 is installed in the slide groove;

[0057] The driving mechanism 5 is connected to the moving seat 4 and is used to drive the moving seat 4 to move back and forth in the chute;

[0058] The upper surface of the movable seat 4 is provided with a movable groove in the same direction as the slide groove;

[0059] A first guide rod 7 is provided in the movable groove, a slider 8 is slidably mounted on the first guide rod 7, and a first spring 6 is also sleeved on the first guide rod 7. One end of the first spring 6 is connected to a side wall of the movable groove close to the battery fixing fixture 2, and the other end of the first spring 6 is connected to the slider 8;

[0060] The tab fixing fixture 3 is fixedly mounted on the top of the slider 8 and is used to fix and clamp the battery tab;

[0061] During use, the battery is placed on the test bench 1, and one end of the battery tail is fixed by the battery fixing clamp 2, and then the two pole ears at the positive and negative poles of the battery are fixed respectively by the two pole ear fixing clamps 3. During the process of the driving mechanism 5 driving the movable seat 4 to move back and forth in the slide groove, the pole ear fixing clamp 3 cooperates with the first spring 6 to generate a flexible external pulling force on the pole ear. The continuous movement of the movable seat 4 causes the pole ear fixing clamp 3 to continuously generate an outward pulling force on the pole ear, thereby realizing fatigue testing of the battery pole ear. The present application has a high degree of automation, and can simultaneously detect the two pole ears of the positive and negative poles of the battery, with high efficiency, and is suitable for large-scale promotion and use.

[0062] In this embodiment, the driving mechanism 5 includes a second guide rod 51, a second spring 52, a motor 54, a connecting rod 53 and an eccentric wheel 55;

[0063] The second guide rod 51 is installed in the slide groove;

[0064] The movable seat 4 is slidably mounted on the second guide rod 51;

[0065] The second spring 52 is sleeved on the second guide rod 51 , one end of the second spring 52 is connected to the side wall of the slide away from the battery fixing fixture 2 , and the other end of the second spring 52 is connected to the movable seat 4 ;

[0066] The connecting rod 53 connects the bottom of the movable seat 4 in the two chutes;

[0067] The eccentric wheel 55 is arranged on a side of the connecting rod 53 close to the battery fixing fixture 2;

[0068] The motor 54 is connected to the eccentric wheel 55;

[0069] During use, when the motor 54 drives the eccentric wheel 55 to rotate, when the protrusion on the eccentric wheel 55 contacts the connecting rod 53, the connecting rod moves outward; when the protrusion on the eccentric wheel 55 disengages from the connecting rod 53, the connecting rod 53 resets, and the connecting rod connects the two moving seats 4, thereby realizing the synchronous reciprocating movement of the two moving seats 4 in the slide groove.

[0070] In this embodiment, the battery fixing fixture 2 includes an inverted L-shaped plate 21, a first clamping plate 22, a limiting rod and a first screw 23;

[0071] One end of the bottom of the vertical portion of the inverted L-shaped plate 21 is fixedly mounted on the testing platform 1;

[0072] The first clamping plate 22 is arranged directly below the horizontal portion of the inverted L-shaped plate 21;

[0073] There are multiple limit rods, which are vertically arranged on the top of the first clamping plate 22, and the horizontal part of the inverted L-shaped plate 21 is provided with limit holes corresponding to the limit rods;

[0074] The first screw rod 23 is threadedly connected to the horizontal portion of the inverted L-shaped plate 21 and passes through the horizontal portion of the inverted L-shaped plate 21 to be rotatably connected to the first clamping plate 22;

[0075] During use, the first screw 23 is rotated to move the first clamping plate 22 downward, pressing and fixing the batteries in the inverted L-shaped plate 21 .

[0076] In this embodiment, the tab fixing fixture 3 includes a shaped plate 31, a second clamping plate 32 and a second screw 33;

[0077] The shaped plate 31 is fixed on the surface of the slider 8;

[0078] The second clamping plate 32 is arranged in the molded plate 31;

[0079] The second screw 33 is threadedly connected to the top of the shaped plate 31 and passes through the shaped plate 31 to be rotatably connected to the second clamping plate 32;

[0080] During use, the second screw 33 is rotated to move the second clamping plate 32 downward, thereby fixing the battery tabs in the shaped plate 31 .

[0081] In this embodiment, the movable seat 4 includes an upper seat block 42 and a lower seat block 41. The tails of the upper seat block 42 and the lower seat block 41 are evenly distributed with a plurality of positioning holes 43 at equal intervals. The upper seat block 42 and the lower seat block 41 are fixed to each other by connecting the corresponding positioning holes 43 with bolts 44.

[0082] During use, the position of the upper seat block 42 is adjusted according to the spacing between the battery tabs. After adjustment, the upper seat block 42 is fixed by connecting the corresponding positioning holes 43 with bolts 44, thereby meeting the testing requirements of different batteries.

[0083] The working principle of this utility model is as follows:

[0084] The battery is placed on the test bench 1, and one end of the battery tail is fixed by the battery fixing clamp 2, and then the two tabs at the positive and negative poles of the battery are fixed respectively by two tab fixing clamps 3. During the process of the driving mechanism 5 driving the movable seat 4 to move back and forth in the slide groove, the tab fixing clamp 3 cooperates with the first spring 6 to generate a flexible external pulling force on the tab. The continuous movement of the movable seat 4 causes the tab fixing clamp 3 to continuously generate an outward pulling force on the tab, thereby realizing fatigue testing of the battery tab. The application has a high degree of automation, and can simultaneously detect the two tabs of the positive and negative poles of the battery, with high efficiency, and is suitable for large-scale promotion and use.

[0085] The circuits, electronic components and modules involved are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0086] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

[0087] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A new energy battery tab detection device, characterized in that: It includes a testing table, a battery fixing fixture, a tab fixing fixture, a moving seat and a driving mechanism; The battery fixing fixture is installed on the testing platform and is used to fix the end of one end of the battery; The surface of the testing platform is provided with two parallel sliding grooves; The movable seat is installed in the slide groove; The driving mechanism is connected to the moving seat and is used to drive the moving seat to move back and forth in the sliding groove; The upper surface of the movable seat is provided with a movable groove in the same direction as the sliding groove; A first guide rod is provided in the movable groove, a slider is slidably mounted on the first guide rod, and a first spring is also sleeved on the first guide rod, one end of the first spring is connected to a side wall of the movable groove close to the battery fixing fixture, and the other end of the first spring is connected to the slider; The tab fixing fixture is fixedly mounted on the top of the slider and is used to fix and clamp the battery tab.

2. A new energy battery tab detection device according to claim 1, characterized in that: The driving mechanism includes a second guide rod, a second spring, a motor, a connecting rod and an eccentric wheel; The second guide rod is installed in the slide groove; The movable seat is slidably mounted on the second guide rod; The second spring is sleeved on the second guide rod, one end of the second spring is connected to the side wall of the slide away from the battery fixing fixture, and the other end of the second spring is connected to the movable seat; The connecting rod connects the bottoms of the movable seats in the two slide grooves; The eccentric wheel is arranged on a side of the connecting rod close to the battery fixing fixture; The motor is connected to the eccentric wheel.

3. The new energy battery tab detection device according to claim 1, characterized in that: The battery fixing fixture includes an inverted L-shaped plate, a first clamping plate, a limiting rod and a first screw; One end of the bottom of the vertical portion of the inverted L-shaped plate is fixedly mounted on the testing platform; The first clamping plate is arranged directly below the horizontal portion of the inverted L-shaped plate; There are multiple limit rods, which are vertically arranged on the top of the first clamping plate, and the horizontal part of the inverted L-shaped plate is provided with limit holes corresponding to the limit rods; The first screw is threadedly connected to the horizontal portion of the inverted L-shaped plate, and passes through the horizontal portion of the inverted L-shaped plate to be rotatably connected to the first clamping plate.

4. The new energy battery tab detection device according to claim 1, characterized in that: The tab fixing fixture includes a shaped plate, a second clamping plate and a second screw; The profile plate is fixed on the surface of the slider; The second splint is arranged in the molded plate; The second screw is threadedly connected to the top of the shaped plate and passes through the shaped plate to be rotatably connected to the second clamping plate.

5. The new energy battery tab detection device according to claim 1, characterized in that: The movable seat comprises an upper seat block and a lower seat block, the tails of the upper seat block and the lower seat block are evenly provided with a plurality of positioning holes arranged at equal intervals, and the upper seat block and the lower seat block are fixed to each other by connecting the corresponding positioning holes with bolts.

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