Acupuncture test tool for cylindrical battery

Abstract

The utility model relates to the technical field of cylindrical battery testing, in particular to a needling testing tool for a cylindrical battery, which comprises a rack, the upper surface of the rack is fixedly connected with a tensioning driving cabin, an output shaft of the tensioning driving cabin is fixedly connected with a clamping plate, the inner surface of the clamping plate is provided with a clamping mechanism, and the clamping mechanism is fixedly connected with the tensioning driving cabin. The clamping mechanism comprises a motor, the motor is fixedly connected with a clamping plate, an output shaft of the motor is fixedly connected with a gear, a sliding groove is formed in the front surface of the clamping plate, a movable plate is slidably connected to the inner surface of the sliding groove, a rack is fixedly connected to the lower surface of the movable plate, and the rack is meshed with the gear. Through the arrangement of the motor, the gear, the rack and the movable plate, when a cylindrical lithium battery needs to be moved, after the motor drives the gear to rotate, the movable plate drives the clamped cylindrical lithium battery to move, and the lithium battery testing is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to cylindrical battery test technical field, concretely is a kind of needle test tooling of cylindrical battery. BACKGROUND

[0002] With the continuous development of new energy industry, lithium ion power battery as the core energy provider of new energy vehicle, its safety directly influences the safety performance of new energy vehicle, so safety test is indispensable to power battery in its production process, and the needle test of cylindrical battery is more conventional testing means, when the needle test of cylindrical battery is carried out, the battery needs to be fixed, then the steel needle is uniformly close to the battery and punctures the cylindrical battery, and if the contact point of steel needle and battery is not in the center position, radial pressure will be generated to the steel needle, causing the bending deformation or even fracture of steel needle, therefore, the needle test tooling of cylindrical battery is needed to complete the fixation of cylindrical battery.

[0003] Through retrieval, China public number CN 219369382 U discloses a kind of needle test tooling of cylindrical battery, including rack, stand, gland and tensioning assembly, wherein, one end of stand is arranged on gland, and the other end of stand penetrates rack;Tensioning assembly is arranged on rack, and is connected with the end of stand away from gland, and tensioning assembly is used to adjust the gap between gland and rack and make gland hold cylindrical battery on rack.By setting tensioning assembly, tensioning assembly can adjust the gap between gland and rack and make gland hold cylindrical battery on rack, since the gap between rack and gland is not easy to change during needle test, cylindrical battery loosening caused by bending deformation or fracture of steel needle is avoided, better fixing effect is achieved, and the efficiency of fixing cylindrical battery can be improved by tensioning assembly, without manually completing fixation.

[0004] But since most test toolings are used to test cylindrical battery, cylindrical battery cannot be moved and rotated after being clamped, only a part of cylindrical battery can be tested during testing, and cylindrical battery cannot be tested on multiple surfaces during testing, when cylindrical battery needs to be rotated and moved, cylindrical battery needs to be released from limiting, and the surface of cylindrical battery needs to be exchanged, so that testing is inconvenient, therefore, we provide a kind of needle test tooling of cylindrical battery. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of needle test tooling of cylindrical battery, the needle test tooling of cylindrical battery, solve the problem that cylindrical battery cannot be rotated and moved after being clamped.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a needle test tool of cylindrical battery, including frame, the upper surface fixed connection of frame has the tension drive cabin, the output shaft fixed connection of tension drive cabin has the clamping plate, the inner surface of clamping plate is provided with clamping mechanism, clamping mechanism includes motor, motor fixed connection with clamping plate, the output shaft fixed connection of motor has the gear, the front surface of clamping plate is seted up with the sliding slot, the inner surface sliding connection of sliding slot has the movable plate, the lower surface fixed connection of movable plate has the rack, and the rack is engaged with gear.

[0008] Preferably, the upper surface of the clamping plate is provided with a needle hole, and the cross-sectional shape of the movable plate is V-shaped.

[0009] Preferably, the front surface of the movable plate penetrates a runner and is rotationally connected with the runner, and the runner is in contact with the lithium battery of the frame.

[0010] Preferably, the front surface of the frame is provided with a groove, the inner surface of the groove is provided with a moving mechanism, the moving mechanism includes a transmission column, the transmission column is rotationally connected with the inner surface of the groove, the transmission column is provided with two groups and is symmetrically arranged with the center line of the frame as the axis of symmetry, and the outer arc surface of the two groups of transmission columns is wound with a transmission belt.

[0011] Preferably, the front surface of the transmission belt is fixedly connected with a fixed block, the front surface of the fixed block is rotationally connected with a connecting rod, the outer arc surface of the connecting rod is sleeved with a spring, one end of the connecting rod is fixedly connected with the spring, and the other end of the fixed block is fixedly connected with the spring.

[0012] Preferably, the front surface of the connecting rod is fixedly connected with a clamping plate, and the clamping plate is in contact with the lithium battery of the frame.

[0013] Preferably, one end of the clamping plate close to the lithium battery of the frame is trapezoidal, the clamping plate is provided with two groups and is symmetrically arranged with the center line of the transmission belt as the axis of symmetry, and the inner surface of one group of clamping plates is fixedly connected with a baffle.

[0014] By the above technical scheme, the needle test tool of cylindrical battery is provided. At least the following beneficial effects are achieved:

[0015] (1) The utility model discloses a motor, gear, rack and movable plate are set up, when needing to move cylindrical lithium battery, after rotating through the motor drive gear, the movable plate is driven to move the clamped cylindrical lithium battery, and when testing lithium battery, it is more convenient.

[0016] (2) The utility model discloses a fixed block, clamping plate, transmission belt and the setting of transmission column can reduce the friction between lithium battery and rack, when the movable plate removes lithium battery, it is more convenient, and the skin of lithium battery does not break down due to friction, and can guarantee that lithium battery is more stably fixed on the rack. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate the principles of the utility model and constitute a part of the application:

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the movable plate cross section structure schematic diagram of the utility model;

[0020] Figure 3 It is the rack partial structure schematic diagram of the utility model;

[0021] Figure 4 It is the movable mechanism whole structure schematic diagram of the utility model.

[0022] In the drawing: 1, rack;2, tension drive cabin;3, clamping plate;4, clamping mechanism;41, motor;42, gear;43, sliding slot;44, movable plate;45, rack;46, needling hole;47, runner;5, recess;6, movable mechanism;61, transmission column;62, transmission belt;63, fixed block;64, connecting rod;65, spring;66, clamping plate;67, baffle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0024] Embodiment one

[0025] Please refer to Figure 1 - Figure 4The utility model provides a kind of needle test tooling of cylindrical battery, including rack 1, the upper surface of rack 1 is fixedly connected with tensioning drive cabin 2, the output shaft of tensioning drive cabin 2 is fixedly connected with clamping plate 3, the inner surface of clamping plate 3 is provided with clamping mechanism 4, clamping mechanism 4 includes motor 41, motor 41 is fixedly connected with clamping plate 3, the output shaft of motor 41 is fixedly connected with gear 42, the front surface of clamping plate 3 is provided with sliding slot 43, the sliding slot 43 of clamping plate 3 is positioned to movable plate 44, effectively improve the stability of movable plate 44 when sliding, the inner surface of sliding slot 43 is slidably connected with movable plate 44, the lower surface of movable plate 44 is fixedly connected with rack 45, rack 45 is engaged with gear 42, the upper surface of clamping plate 3 is provided with needle puncture hole 46, the cross section shape of movable plate 44 is V-shaped, by movable plate 44 is set to V-shaped, different cylindrical lithium battery can be clamped, the front surface of movable plate 44 is penetrated with runner 47 and is rotatably connected with runner 47, runner 47 is in contact with the lithium battery of rack 1.

[0026] In the embodiment, the utility model is set through motor 41, gear 42, rack 45 and movable plate 44, when cylindrical lithium battery needs to be moved, after gear 42 is rotated by motor 41, cylindrical lithium battery is moved by movable plate 44, when lithium battery is tested, it is more convenient.

[0027] Embodiment two

[0028] Please refer to Figure 1 - Figure 4 On the basis of embodiment one, the utility model provides a kind of technical scheme: preferably, the front surface of rack 1 is provided with recess 5, the inner surface of recess 5 is provided with movable mechanism 6, movable mechanism 6 includes transmission column 61, transmission column 61 is rotatably connected with the inner surface of recess 5, transmission column 61 is provided with two groups and is symmetrically arranged with the center line of rack 1 as symmetry axis, by the recess 5 being set, two groups of transmission column 61 can be installed on rack 1, the outer arc surface of two groups of transmission column 61 is wound with transmission belt 62, the front surface of transmission belt 62 is fixedly connected with fixed block 63, the front surface of fixed block 63 is rotatably connected with connecting rod 64, the outer arc surface of connecting rod 64 is sleeved with spring 65, connecting rod 64 is fixedly connected with one end of spring 65, fixed block 63 is fixedly connected with the other end of spring 65, the front surface of connecting rod 64 is fixedly connected with clamping plate 66, clamping plate 66 is in contact with the lithium battery of rack 1, the end of clamping plate 66 close to the lithium battery of rack 1 is trapezoidal, clamping plate 66 is provided with two groups and is symmetrically arranged with the center line of transmission belt 62 as symmetry axis, the inner surface of one group of clamping plate 66 is fixedly connected with baffle 67.

[0029] In this embodiment, through the setting of the fixing block 63, the clamping plate 66, the transmission belt 62 and the transmission column 61, the friction between the lithium battery and the rack 1 can be reduced, and when the movable plate 44 moves the lithium battery, it is more convenient, and the skin of the lithium battery will not be damaged due to friction, and at the same time, the lithium battery can be more stably fixed on the rack 1.

[0030] When it is necessary to test the cylindrical lithium battery, the clamping plate 3 is driven to move forward by the tensioning drive cabin 2, the movable plate 44 is driven to move forward, and then the cylindrical lithium battery is pushed into the two groups of clamping plates 66.

[0031] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pin test tool for cylindrical batteries comprising a frame (1) characterised in that: The upper surface of the rack (1) is fixedly connected with a tensioning driving cabin (2), the output shaft of the tensioning driving cabin (2) is fixedly connected with a clamping plate (3), the inner surface of the clamping plate (3) is provided with a clamping mechanism (4), the clamping mechanism (4) comprises a motor (41), the motor (41) is fixedly connected with the clamping plate (3), the output shaft of the motor (41) is fixedly connected with a gear (42), the front surface of the clamping plate (3) is provided with a sliding groove (43), the inner surface of the sliding groove (43) is slidably connected with a movable plate (44), the lower surface of the movable plate (44) is fixedly connected with a rack (45), and the rack (45) is engaged with the gear (42).

2. The pin test tool for cylindrical battery of claim 1, wherein: The upper surface of the clamping plate (3) is provided with a needle punching hole (46), and the cross-sectional shape of the movable plate (44) is V-shaped.

3. The pin test tool for a cylindrical battery of claim 2, wherein: The front surface of the movable plate (44) penetrates a runner (47) and is rotatably connected with the runner (47), and the runner (47) is in contact with the lithium battery of the rack (1).

4. The pin test tool for a cylindrical battery of claim 3, wherein: The front surface of the rack (1) is provided with a groove (5), the inner surface of the groove (5) is provided with a moving mechanism (6), the moving mechanism (6) comprises a transmission column (61), the transmission column (61) is rotatably connected with the inner surface of the groove (5), the transmission column (61) is provided with two groups and is symmetrically arranged with the center line of the rack (1) as the axis of symmetry, and the outer arc surface of the two groups of transmission columns (61) is wound with a transmission belt (62).

5. The pin test tool for a cylindrical battery of claim 4, wherein: The front surface of the transmission belt (62) is fixedly connected with a fixed block (63), the front surface of the fixed block (63) is rotatably connected with a connecting rod (64), the outer arc surface of the connecting rod (64) is sleeved with a spring (65), one end of the connecting rod (64) is fixedly connected with the spring (65), and the other end of the spring (65) is fixedly connected with the fixed block (63).

6. The pin test tool for a cylindrical battery of claim 5, wherein: The front surface of the connecting rod (64) is fixedly connected with a clamping plate (66), and the clamping plate (66) is in contact with the lithium battery of the rack (1).

7. The pin test tool for a cylindrical battery of claim 6, wherein: The end of the clamping plate (66) close to the lithium battery of the rack (1) is trapezoidal, the clamping plate (66) is provided with two groups and is symmetrically arranged with the center line of the transmission belt (62) as the axis of symmetry, and the inner surface of one group of clamping plates (66) is fixedly connected with a baffle (67).

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