Battery voltage and internal resistance testing machine

Abstract

The invention relates to the technical field of battery voltage internal resistance testing, and discloses a battery voltage internal resistance testing machine which comprises a rack, a feeding mechanism, a material delivering mechanism, a material testing mechanism and a discharging mechanism are arranged on the rack, the feeding mechanism comprises a material conveying module and a tray distributing module, the material conveying module is used for conveying stacked material trays, and the tray distributing module is used for distributing the stacked material trays; the material distributing module is used for distributing the stacked material trays, the material delivering mechanism is used for feeding the distributed material trays and sequentially transferring the material trays to the material detecting mechanism and the discharging mechanism, the material detecting mechanism is used for detecting to-be-tested batteries in the material trays, and the discharging mechanism is used for sequentially selecting and discharging the detected batteries; according to the battery detection device, the material conveying module and the tray separation module are arranged, then the material conveying mechanism is used for feeding the trays subjected to material separation, the battery is detected through the testing mechanism, and the discharging mechanism is used for discharging the trays after detection is completed, so that the battery voltage of the battery is detected in a full-automatic mode, the detection efficiency is improved, and the detection cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of battery voltage internal resistance testing devices, and in particular to a battery voltage internal resistance testing machine. Background Art

[0002] In the production process of batteries, it is often necessary to conduct factory inspection on the finished batteries to ensure that the batteries are in the best condition, so as to improve the product qualification rate of the batteries. When testing lithium batteries, the lithium batteries need to be placed in the material tray in sequence, and then the material tray is arranged, so that multiple batteries can be tested and loaded at one time through the material tray, and the stability of the battery during the testing process is also improved. The existing technology usually uses the detection of the voltage internal resistance of the battery to determine the status of the relevant battery. Most of the existing technologies use manual methods to test the batteries one by one. The operator usually holds a test pen and cooperates with a multimeter to determine the voltage internal resistance of the battery. This has low detection efficiency and high detection cost. It is also prone to misdetection and missed detection. Especially in the detection of small batteries, the above problems are more likely to occur, so it needs to be improved. Summary of the invention

[0003] The main purpose of the present invention is to provide a battery voltage internal resistance tester, aiming to provide a battery voltage internal resistance tester that can fully automatically detect batteries.

[0004] To achieve the above-mentioned purpose, the present invention proposes a battery voltage internal resistance testing machine, including a frame, on which a feeding mechanism, a material delivery mechanism, a material measuring mechanism and a material unloading mechanism are arranged, a material shifting space is arranged in the feeding mechanism, a material transport module and a tray dividing module are arranged in the material shifting space, the material transport module is used to transport stacked trays, the material dividing module is used to divide the stacked trays, the material delivery mechanism is used to feed the divided trays and transfer the trays to the material measuring mechanism and the material unloading mechanism in turn, the material measuring mechanism is used to detect the batteries to be tested in the trays, and the material unloading mechanism is used to select and unload the batteries that have completed the detection in turn.

[0005] Specifically, the material transport module includes a stacking rack, a first material transport motor, a lifting rack and a second material transport motor. The stacking rack is used to stack material trays. The first material transport motor is connected to the stacking rack in a transmission manner and drives the stacking rack to move closer to or away from the lifting rack. The lifting rack is used to lift the material trays. The second material transport motor is connected to the lifting rack in a transmission manner and drives the lifting rack to move back and forth in the vertical direction.

[0006] Specifically, the dividing plate module includes a dividing mounting frame, a dividing cylinder is arranged on the dividing mounting frame, a dividing block is arranged at the movable rod end of the dividing cylinder, and the dividing cylinder drives the dividing block to move toward the material moving space.

[0007] Specifically, the material dividing block comprises a connecting portion and a material dividing portion, the connecting portion and the material dividing portion are integrally formed, the connecting portion is connected to the movable rod end of the material dividing cylinder, and the material dividing portion is provided with an inclined surface.

[0008] Specifically, the material delivery mechanism includes a material delivery mounting frame, on which a transverse material delivery drive member and a vertical material delivery drive member are arranged, the transverse material delivery drive member is transmission-connected with the vertical material delivery drive member, a material picking rack is arranged at the driving end of the vertical material delivery drive member, the material picking rack is provided with a suction port, and the material picking rack grabs the material tray through the suction port.

[0009] Specifically, the testing mechanism includes a clamping module and a detection module, which are arranged relatively to each other. The clamping module is arranged above the detection module. The clamping module is used to perform auxiliary clamping on the battery to be tested, and the detection module is used to perform voltage internal resistance detection on the battery to be tested.

[0010] The axle up and down groove at two ends embeds respectively in two guide rails of the present invention on the groove of the attachment piece, and the guide rails are meshed with each other for support of the user. The guide rails are constructed so that the user can move freely in the axle of the present invention.

[0011] Specifically, the detection module includes a detection bracket, on which a detection motor and a detection slide rail are provided, on which a detection slider is slidably provided, the detection motor is transmission-connected to the detection slider, a detection mounting plate is provided on the detection slider, on which a detection piece is provided, and on which a detection cylinder is provided, the movable rod end of the detection cylinder is arranged toward the clamping module, and the movable rod end of the detection cylinder is transmission-connected to the detection piece.

[0012] Specifically, the unloading mechanism includes a multi-axis unloading robot, and the frame is provided with a first unloading station and a second unloading station, the first unloading station and the second unloading station are spaced apart from each other, the first unloading station is used for unloading full materials, and the second unloading station is used for unloading empty materials.

[0013] Specifically, an NG station is provided on the frame, and the multi-axis unloading robot transfers the NG batteries to the NG station.

[0014] The technical solution of the present invention is to transport the material trays and load the material racks with the material trays stacked by setting up a material transport module and a tray dividing module, and then the material delivery mechanism loads the material trays that have completed the material division, and delivers the material trays to the testing mechanism. The batteries are tested by the testing mechanism, and after the test is completed, the material trays are unloaded by the unloading mechanism, thereby realizing fully automatic testing of the battery voltage, effectively improving the detection efficiency, and reducing the detection cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the feeding mechanism of the present invention.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the material delivery mechanism of the present invention.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the material measuring mechanism of the present invention.

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the clamping module of the present invention.

[0020] Figure 6 It is a schematic diagram of the three-dimensional structure of the detection module of the present invention.

[0021] Figure 7 It is a schematic diagram of the three-dimensional structure of the clamping cylinder of the present invention.

[0022] The reference numerals include: 10, feeding mechanism; 11, material stacking rack; 12, material lifting rack; 13, material dividing mounting rack; 14, material dividing cylinder; 15, material dividing block; 20, material delivery mechanism; 21, material delivery mounting rack; 22, horizontal material delivery drive member; 23, vertical material delivery drive member; 24, material picking rack; 30, material measuring mechanism; 31, clamping module; 310, clamping mounting rack, 311, clamping movable rack; 312, vertical motor; 313, clamping cylinder; 32, detection module; 320, detection bracket; 321, detection motor; 322, detection mounting plate; 323, detection cylinder; 324, detection part; 40, unloading mechanism; 41, first unloading station; 42, second unloading station; 43, multi-axis unloading robot; 44, NG station; 50, battery; 60, material tray. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, if there are descriptions involving "first" or "second" etc. in the embodiments of the present invention, the descriptions of "first" or "second" etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0026] like Figures 1 to 7 As shown, a battery voltage internal resistance tester includes a frame, on which a feeding mechanism 10, a delivering mechanism 20, a measuring mechanism 30 and a unloading mechanism 40 are arranged, a material shifting space is arranged in the feeding mechanism 10, a material transporting module and a tray dividing module are arranged in the material shifting space, the material transporting module is used to transport stacked trays 60, the material dividing module is used to divide the stacked trays 60, the delivering mechanism 20 is used to feed the trays 60 after the division and transfer the trays 60 to the measuring mechanism 30 and the unloading mechanism 40 in turn, the measuring mechanism 30 is used to detect the battery 50 to be tested in the tray 60, and the unloading mechanism 40 is used to select and unload the battery 50 that has completed the test in turn. When testing the battery 50, the material tray 60 is transported by the material transport module, and then the material tray 60 is separated by the tray separation module. Thereafter, the material tray 60 is delivered to the measuring mechanism 30 in cooperation with the material delivery mechanism 20. The measuring mechanism 30 tests the batteries 50 in the material tray 60, and after the test is completed, the material tray 60 is unloaded in cooperation with the unloading mechanism 40, thereby achieving fully automatic testing of the battery 50 within the battery 50 voltage, effectively improving the testing efficiency, while reducing the testing cost.

[0027] The material transport module includes a stacking rack 11, a first material transport motor, a material lifting rack 12, and a second material transport motor. The stacking rack 11 is used to stack the material trays 60. The first material transport motor is connected to the stacking rack 11 and drives the stacking rack 11 to approach or move away from the material lifting rack 12. The material lifting rack 12 is used to lift the material trays 60. The second material transport motor is connected to the material lifting rack 12 and drives the material lifting rack 12 to move back and forth in the vertical direction. In this embodiment, the material trays 60 are fed and stacked by the stacking rack 11, and then the first material transport motor drives the stacking rack 11 to approach the second material transport piece, and then the second feed motor drives the material lifting rack 12 to lift the material trays 60, thereby realizing the movement of the material rack in the vertical direction.

[0028] The tray-dividing module includes a material-dividing mounting frame 13, on which a material-dividing cylinder 14 is arranged, and a material-dividing block 15 is arranged at the movable rod end of the material-dividing cylinder 14, and the material-dividing cylinder 14 drives the material-dividing block 15 to move toward the material-moving space direction; the material-dividing block 15 includes a connecting portion and a material-dividing portion, the connecting portion and the material-dividing portion are integrally formed, the connecting portion is connected to the movable rod end of the material-dividing cylinder 14, and the material-dividing portion is provided with an inclined surface. In this embodiment, the material-dividing mounting frame 13 is arranged to divide the material-dividing cylinder 14, and the material-dividing cylinder 14 drives the material-dividing block 15 to divide the material tray 60.

[0029] The material delivery mechanism 20 includes a material delivery mounting frame 21, on which a transverse material delivery driving member 22 and a vertical material delivery driving member 23 are arranged, the transverse material delivery driving member 22 is in transmission connection with the vertical material delivery driving member 23, and a material taking frame 24 is arranged at the driving end of the vertical material delivery driving member 23, and the material taking frame 24 is provided with a suction port, through which the material taking frame 24 grabs the material tray 60. In this embodiment, the suction port is used to stably suck the material tray 60, and then cooperates with the transverse material delivery driving member 22 and the vertical material delivery driving member 23 to realize the stable grabbing of the material tray 60 after the material tray is divided, thereby realizing material delivery.

[0030] The test mechanism includes a clamping module 31 and a detection module. The clamping module 31 and the detection module are arranged relatively to each other. The clamping module 31 is arranged above the detection module. The clamping module 31 is used to perform auxiliary clamping on the battery 50 to be tested, and the detection module is used to perform voltage internal resistance detection on the battery 50 to be tested. In this embodiment, when testing the battery 50, the clamping mechanism first clamps the battery 50 to be tested on the tray 60, and after the clamping is stable, the detection mechanism is used to perform voltage internal resistance detection on the battery 50, thereby realizing automatic detection of the battery 50, thereby improving detection efficiency and detection accuracy, and reducing detection costs.

[0031] The clamping module 31 includes a clamping mounting frame, and the clamping drive component includes a horizontal clamping drive component and a vertical clamping drive component. The clamping mounting frame is in the shape of a figure 7. The clamping mounting frame includes a supporting portion and an extension portion that are integrally formed. The extension portion and the supporting portion are arranged perpendicular to each other. The extension portion is arranged at the upper end of the supporting portion, and a horizontal movable slide rail is arranged on the extension portion. The horizontal clamping drive component includes a clamping movable frame and a horizontal movable drag chain. The clamping movable frame is provided with a movable slide groove corresponding to the movable slide rail. The horizontal movable drag chain is arranged on the clamping mounting frame, and the horizontal movable drag chain is connected to the clamping movable frame in driving connection. The vertical clamping drive component is arranged on the clamping movable frame. The vertical clamping drive component includes a vertical clamping plate, and the vertical clamping plate is connected to the clamping movable frame. A vertical motor and a vertical slide rail are arranged on the vertical clamping plate. A vertical slider is slidably arranged on the vertical slide rail. The vertical motor is connected to the vertical slider in driving connection, and the clamping cylinder is arranged on the vertical slider.

[0032] The detection module includes a detection bracket 320, on which a detection motor 321 and a detection slide rail are arranged, on which a detection slide rail is slidably arranged, the detection motor 321 is connected to the detection slide rail in a transmission manner, the detection slide rail is provided with a detection mounting plate 322, on which a detection member 324 is arranged, on which a detection cylinder 323 is arranged, the movable rod end of the detection cylinder 323 is arranged toward the clamping module 31, and the movable rod end of the detection cylinder 323 is connected to the detection member 324 in a transmission manner. In this embodiment, by arranging a support portion and an extension portion on the clamping mounting frame, so as to facilitate connection with an external machine through the support portion, and then driving the clamping movable frame to move horizontally along the extension portion direction through a horizontal drag chain, thereby realizing horizontal movement of the clamping cylinder, and then driving the multi-station fixture mounting plate to move in the vertical direction through a vertical motor, thereby driving the clamping cylinder to move in the vertical direction, and at the same time, by arranging multiple clamping cylinders on the multi-station fixture mounting plate, it is convenient to improve the clamping efficiency of the battery 50.

[0033] The unloading mechanism 40 includes a multi-axis unloading manipulator 43. A first unloading station 41 and a second unloading station 42 are arranged on the frame. The first unloading station 41 and the second unloading station 42 are arranged at intervals. The first unloading station 41 is used for unloading full materials, and the second unloading station 42 is used for unloading empty materials. An NG station 44 is arranged on the frame, and the multi-axis unloading manipulator 43 transfers the NG battery 50 to the NG station 44. In this embodiment, the material tray 60 is unloaded by setting a multi-axis unloading manipulator 43, and the unqualified products in the material tray 60 are selected by the multi-axis unloading manipulator 43, and then the qualified products are sent to the first unloading station 41, and the unqualified products are sent to the NG station 44, so as to realize the unloading of the battery 50.

[0034] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A battery voltage internal resistance tester, characterized in that: The invention comprises a frame, on which a feeding mechanism, a delivering mechanism, a measuring mechanism and a unloading mechanism are arranged; a material shifting space is arranged in the feeding mechanism; a material transporting module and a tray dividing module are arranged in the material shifting space; the material transporting module is used for transporting stacked trays; the material dividing module is used for dividing the stacked trays; the feeding mechanism is used for feeding the trays after dividing and transferring the trays to the measuring mechanism and the unloading mechanism in sequence; the measuring mechanism is used for detecting batteries to be tested in the trays; the unloading mechanism is used for selecting and unloading batteries which have completed the detection in sequence.

2. A battery voltage internal resistance tester according to claim 1, characterized in that: The material transport module includes a stacking rack, a first material transport motor, a lifting rack and a second material transport motor. The stacking rack is used to stack material trays. The first material transport motor is connected to the stacking rack in a transmission connection and drives the stacking rack to move closer to or away from the lifting rack. The lifting rack is used to lift the material trays. The second material transport motor is connected to the lifting rack in a transmission connection and drives the lifting rack to move back and forth in the vertical direction.

3. A battery voltage internal resistance tester according to claim 1, characterized in that: The dividing plate module comprises a dividing mounting frame, on which a dividing cylinder is arranged, and a dividing block is arranged at the movable rod end of the dividing cylinder, and the dividing cylinder drives the dividing block to move toward the material moving space.

4. A battery voltage internal resistance tester according to claim 3, characterized in that: The material dividing block comprises a connecting part and a material dividing part, the connecting part and the material dividing part are integrally formed, the connecting part is connected to the movable rod end of the material dividing cylinder, and the material dividing part is provided with an inclined surface.

5. A battery voltage internal resistance tester according to claim 1, characterized in that: The material delivery mechanism includes a material delivery mounting frame, on which a transverse material delivery drive member and a vertical material delivery drive member are arranged, the transverse material delivery drive member is transmission-connected with the vertical material delivery drive member, a material picking rack is arranged at the driving end of the vertical material delivery drive member, the material picking rack is provided with a material suction port, and the material picking rack grabs the material tray through the material suction port.

6. A battery voltage internal resistance tester according to claim 1, characterized in that: The testing mechanism comprises a clamping module and a detection module, which are arranged relatively to each other. The clamping module is arranged above the detection module. The clamping module is used for auxiliary clamping of the battery to be tested, and the detection module is used for voltage internal resistance detection of the battery to be tested.

7. A battery voltage internal resistance tester according to claim 6, characterized in that: The control frame is provided with a plurality of control wheels, and the control wheels are connected to the control wheel to form a plurality of control wheels, and the control wheels are connected to the control wheel to form a plurality of control wheels.

8. The battery voltage internal resistance tester according to claim 6, characterized in that: The detection module includes a detection bracket, on which a detection motor and a detection slide rail are arranged, on which a detection slider is slidably arranged, the detection motor is transmission-connected with the detection slider, the detection slider is provided with a detection mounting plate, on which a detection piece is arranged, and on which a detection cylinder is arranged, the movable rod end of the detection cylinder is arranged toward the clamping module, and the movable rod end of the detection cylinder is transmission-connected with the detection piece.

9. A battery voltage internal resistance tester according to claim 1, characterized in that: The unloading mechanism comprises a multi-axis unloading manipulator, and a first unloading station and a second unloading station are arranged on the frame, the first unloading station and the second unloading station are arranged at an interval with each other, the first unloading station is used for unloading full materials, and the second unloading station is used for unloading empty materials.

10. A battery voltage internal resistance tester according to claim 9, characterized in that: An NG station is provided on the frame, and the multi-axis unloading robot transfers the NG batteries to the NG station.

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