Battery short circuit measuring equipment

Abstract

The invention relates to the technical field of battery detection equipment, and discloses battery short circuit measurement equipment which comprises a detection table, the detection table is provided with a conveyor, discharging equipment, a distinguishing piece and detection equipment, the discharging equipment is used for automatically discharging a battery to the conveyor for conveying and moving, and the distinguishing piece is used for distinguishing the battery from the conveyor. The conveyor is used for conveying and moving the batteries falling from the discharging equipment to the direction of the detection equipment, and the distinguishing piece is used for grabbing the batteries on the conveyor; the device effectively solves the problems that before the cylindrical battery is conveyed to the measuring equipment, the positive electrode and the negative electrode of the cylindrical battery are manually distinguished, and then the cylindrical battery is conveyed to the measuring equipment for measurement, so that when the manual repeated positive electrode and negative electrode distinguishing work is carried out for a long time, misjudgment is easily caused due to fatigue, and the measurement accuracy is high. Therefore, the working efficiency and accuracy are influenced, and the short-circuit measurement efficiency of the cylindrical battery is influenced.

Description

Technical Field

[0001] The present invention relates to the technical field of battery detection equipment, and in particular to a battery short circuit measurement device. Background Art

[0002] The short-circuit measurement of cylindrical batteries is a crucial part of battery testing. It is used to evaluate the performance changes of batteries under short-circuit conditions, including the safety, stability and reaction of batteries during short circuits. At present, when measuring the short circuit of cylindrical batteries, after the cylindrical batteries are sent to the measuring equipment, the measuring equipment contacts the positive and negative electrodes on the cylindrical batteries through the copper needles at the upper and lower ends, thereby measuring the internal resistance of the cylindrical batteries and the battery, and obtaining the short-circuit current of the batteries.

[0003] However, when short-circuiting cylindrical batteries, it is necessary to distinguish between the positive and negative poles. Currently, before sending cylindrical batteries to the measuring equipment, they are manually distinguished between the positive and negative poles, and then sent to the measuring equipment for measurement. When manual work of distinguishing between positive and negative poles is repeated for a long time, it is easy to cause misjudgment due to fatigue, which in turn affects work efficiency and accuracy, and affects the short-circuit measurement efficiency of cylindrical batteries. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that before the cylindrical batteries mentioned in the above background technology are sent to the measuring equipment, they are manually distinguished between the positive and negative poles of the cylindrical batteries and then sent to the measuring equipment for measurement. When manual positive and negative pole distinction work is performed repetitively for a long time, it is easy to cause misjudgment due to fatigue, which in turn affects work efficiency and accuracy and affects the short-circuit measurement efficiency of the cylindrical batteries.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A battery short circuit measurement device, which includes a detection platform, on which a conveyor, a feeding device, a distinguishing member and a detection device are provided. The feeding device is used to automatically feed the battery to the conveyor for conveying and moving. The conveyor is used to convey and move the battery dropped from the feeding device toward the detection device. The distinguishing member is used to grab the battery on the conveyor, automatically distinguish the positive and negative poles of the battery, and then send it to the detection device for short circuit measurement. The detection device is used to perform short circuit measurement of the current of the placed battery. The distinguishing member also includes a pressing member, a rotating member and a moving member. The moving member is provided with a feeding plate for grabbing the battery on the conveyor, the pressing member is provided with a pressing plate for distinguishing the positive and negative poles of the battery, the rotating member is used to drive the battery to rotate to exchange the positions of the positive and negative poles, the feeding plate is provided with a groove that fits the surface of the battery, and a vacuum suction nozzle is provided in the groove. The vacuum suction nozzle can adsorb the battery on the conveyor and then remove it from the conveyor.

[0006] Preferably, the distinguishing member also includes a driving member and a fixed plate, a supporting plate is provided below the fixed plate, a driving member is provided on the fixed plate, a connecting plate is provided on the driving member, the rotating member is provided on the connecting plate, a mounting plate is provided on the rotating member, the movable member is provided on the mounting plate, and the pressing member is provided on the side of the mounting plate away from the movable member. The distinguishing member can automatically distinguish the positive and negative poles of the battery instead of manually, which further improves the battery measurement efficiency while avoiding errors in distinguishing the positive and negative poles of the battery compared to manual distinguishing.

[0007] Preferably, the driving member includes a cylinder and a rotating plate, the output shaft of the cylinder is connected to one end of the rotating plate, the cylinder is rotatably arranged on a fixed plate, a connecting groove is provided on the fixed plate, the rotating plate is in the connecting groove and connected to the fixed plate, and the rotating plate is connected to the connecting plate at one end away from the cylinder. The driving member can make the battery on the feeding plate rotate 180 degrees, so that the direction of the positive terminal of the battery can be adjusted to ensure that the positive pole of the battery sent to the detection equipment is facing up and the negative pole is facing down.

[0008] Preferably, the rotating plate includes a rotating end, on which are provided a connecting end 1 and a connecting end 2, wherein the connecting end 1 is hinged to the output shaft of the cylinder 1, and the connecting end 2 is connected to the connecting plate, and a rotating rod is provided in the rotating end, wherein the rotating end is in the connecting groove and is rotatably connected to the fixed plate 1 through the rotating rod, and the rotating plate can be rotated through the rotating rod, thereby changing the orientation direction of the material picking plate so that it can be horizontally aligned with the detection equipment or vertically aligned with the conveyor.

[0009] Preferably, the moving part includes a second cylinder, a moving plate is provided on the output shaft of the second cylinder, a slider is provided on the side of the moving plate facing the mounting plate, the picking plate is arranged on the moving plate, a slide rail is provided on the mounting plate, the slider is slidably arranged on the slide rail, the second cylinder is installed on the mounting plate, and the picking plate is pushed to move by the moving part, so that the picking plate can remove the batteries on the conveyor and send them to the detection equipment.

[0010] Preferably, the pressing member includes a cylinder three, a push plate and a moving rod, the cylinder three is provided with a fixed plate two, the output shaft of the cylinder three is connected to the push plate, the push plate is provided with a guide hole, the moving rod is provided with a guide rod, the guide rod is in the guide hole, the pressing plate is arranged on the moving rod, the pressing plate is provided with a pressing groove, a pressure sensor is provided in the pressing groove, the positive end of the battery is provided with a metal cap, when the pressing plate contacts the metal cap on the battery, the metal cap on the battery can be in the pressing groove and press the pressure sensor, thereby being able to judge the positive and negative poles of the battery.

[0011] Preferably, the moving rod includes a rod body one and a rod body two, the rod body one is provided with a moving groove, a spring is provided in the moving groove, one end of the rod body two is in the moving groove and connected with the spring, the material picking plate is arranged at one end of the rod body two away from the spring, the guide rod is arranged on the rod body one, and through the spring, when the pressing plate presses the battery, the rod body two can squeeze the spring and move into the rod body one.

[0012] Preferably, a limiting hole is provided on the guide rod, a limiting rod is provided in the limiting hole, the limiting rod is fixed on the mounting plate, the guide rod can move on the limiting rod through the limiting hole, the guide rod can be limited by the limiting rod, so that the movable rod can move stably during movement.

[0013] Preferably, the rotating part includes a positioning plate 1, a motor and a rotating plate. The positioning plate 1 is provided with a positioning plate 2, and the motor is installed on the positioning plate 2. A gear group is provided on the output shaft of the motor, and the motor is connected to the rotating plate through the gear group. The power is transmitted through the gear group, and the rotating part drives the moving part to rotate, thereby driving the batteries on the feeding plate to rotate to distinguish the positive and negative poles.

[0014] Preferably, the positioning plate is connected to the connecting plate, a rotating end is provided on the rotating plate, the rotating plate is rotatably connected to the connecting plate via the rotating end, the gear group is provided on the rotating end, the mounting plate is connected to the rotating plate, and the motor drives the gear group to operate via the output shaft when running, and then drives the rotating plate to rotate via the rotating end. The gear group is a transmission member composed of a plurality of meshing gears in actual use.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention can grab the cylindrical battery on the conveyor through the provided pick-up plate, and the provided moving part can drive the pick-up plate to move, so as to automatically remove the cylindrical battery from the conveyor. The provided driving part can change the direction of the pick-up plate so that it can be horizontally aligned with the detection device or vertically aligned with the conveyor, so that the pick-up plate can remove the cylindrical battery from the conveyor or send it to the detection device for measurement; The set pressing piece can distinguish the positive and negative poles of the batteries taken from the conveyor, and can automatically distinguish the positive and negative poles of the batteries instead of manually. Compared with manual distinguishing of the positive and negative poles of the batteries, it avoids errors in distinguishing the positive and negative poles of the batteries and further improves the battery measurement efficiency; The cylindrical battery with positive and negative poles distinguished can be rotated by the rotating parts, thereby driving the battery to rotate and exchange the positions of the positive and negative poles, ensuring that the positive poles of the tested batteries are facing up and the negative poles are facing down, so that the copper needles on the testing equipment can correctly correspond to the positive and negative poles on the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural view of the partition member of the present invention; Figure 3 This is a view showing the connection between the fixing plate and the supporting plate of the present invention; Figure 4 It is a separate view of the driving member, the moving member, the rotating member and the pressing member of the present invention; Figure 5 The driving member structure stone of the present invention; Figure 6 A structural view of a rotating plate of the present invention; Figure 7 It is an exploded view of the moving part structure of the present invention; Figure 8 It is an exploded view of the rotating member structure of the present invention; Fig. 9 An exploded view of the pressing member structure of the present invention; Fig.10 It is an exploded view of the moving rod structure of the present invention.

[0018] Description of the figure numbers: 1. Inspection table; 2. Conveyor; 3. Unloading equipment; 4. Distinguishing parts; 41. Fixed plate 1; 411. Connecting groove; 42. Support plate; 43. Driving part; 431. Cylinder 1; 432. Rotating plate; 4321. Connecting end 1; 4322. Rotating end; 4323. Connecting end 2; 433. Rotating rod; 44. Connecting plate; 45. Mounting plate; 46. Moving part; 461. Cylinder 2; 462. Moving plate; 463. Sliding block; 464. Slide rail; 47 , feeding plate; 48, rotating part; 481, positioning plate one; 482, positioning plate two; 483, motor; 484, gear set; 485, rotating plate; 4851, rotating end; 49, pressing part; 491, cylinder three; 492, fixing plate two; 493, pushing plate; 494, guide hole; 495, moving rod; 4951, rod body one; 4952, rod body two; 4953, spring; 496, pressing plate; 497, guide rod; 498, limit rod; 5, detection equipment. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below with reference to the accompanying drawings.

[0020] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the present invention defined in the following description can be used for other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the present invention.

[0021] Those skilled in the art should understand that, in the disclosure of the present invention, the directions or positions indicated by the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, which are only simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limitations on the present invention.

[0022] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity. Example

[0023] See also Figure 1-Figure 10A battery short circuit measuring device comprises a testing platform 1, on which a conveyor 2, a feeding device 3, a distinguishing element 4 and a testing device 5 are arranged. The feeding device 3 is used to automatically feed the battery to the conveyor 2 for conveying and moving. The conveyor 2 is used to convey and move the battery dropped from the feeding device 3 toward the testing device 5. The distinguishing element 4 is used to grab the battery on the conveyor 2, and automatically distinguish the positive and negative poles of the battery, and then send it to the testing device 5 for short circuit measurement. The testing device 5 is used to place the battery on the conveyor 2. The battery is used for short-circuit measurement of current. The distinguishing member 4 also includes a pressing member 49, a rotating member 48 and a moving member 46. The moving member 46 is provided with a picking plate 47 for grabbing the battery on the conveyor 2. The pressing member 49 is provided with a pressing plate 496 for distinguishing the positive and negative poles of the battery. The rotating member 48 is used to drive the battery to rotate to exchange the positions of the positive and negative poles. The picking plate 47 is provided with a groove that fits the surface of the battery. A vacuum suction nozzle is provided in the groove. The vacuum suction nozzle can adsorb the battery on the conveyor 2 and then remove it from the conveyor 2.

[0024] Furthermore, the distinguishing member 4 also includes a driving member 43 and a fixed plate 41, a supporting plate 42 is provided below the fixed plate 41, a driving member 43 is provided on the fixed plate 41, a connecting plate 44 is provided on the driving member 43, a rotating member 48 is provided on the connecting plate 44, a mounting plate 45 is provided on the rotating member 48, a moving member 46 is provided on the mounting plate 45, and a pressing member 49 is provided on the mounting plate 45 away from the moving member 46. The distinguishing member 4 can automatically distinguish the positive and negative poles of the battery instead of manually, which can avoid the errors in distinguishing the positive and negative poles of the battery and further improve the measurement efficiency of the battery compared to manually distinguishing the positive and negative poles of the battery.

[0025] Furthermore, the driving member 43 includes a cylinder 431 and a rotating plate 432, the output shaft of the cylinder 431 is connected to one end of the rotating plate 432, the cylinder 431 is rotatably arranged on the fixed plate 41, the fixed plate 41 is provided with a connecting groove 411, the rotating plate 432 is in the connecting groove 411 and connected to the fixed plate 41, and the rotating plate 432 is connected to the connecting plate 44 away from one end of the cylinder 431. The driving member 43 can make the battery on the material taking plate 47 rotate 180 degrees, so that the direction of the positive terminal of the battery can be adjusted to ensure that the positive poles of the batteries sent to the detection device 5 are facing upwards. The negative poles are all facing downwards, and the rotating plate 432 includes a rotating end 4322, on which a connecting end 4321 and a connecting end 4323 are provided, the connecting end 4321 is hinged to the output shaft of the cylinder 431, the connecting end 4323 is connected to the connecting plate 44, and a rotating rod 433 is provided in the rotating end 4322, the rotating end 4322 is located in the connecting groove 411 and is rotatably connected to the fixed plate 41 through the rotating rod 433, and the rotating plate 432 can be rotated through the rotating rod 433, thereby changing the direction of the material picking plate 47 so that it can be horizontally aligned with the detection device 5 or vertically aligned with the conveyor 2.

[0026] It should be noted that the moving part 46 includes a cylinder 461, a moving plate 462 is provided on the output shaft of the cylinder 461, a slider 463 is provided on the side of the moving plate 462 facing the mounting plate 45, the picking plate 47 is arranged on the moving plate 462, a slide rail 464 is provided on the mounting plate 45, the slider 463 is slidably arranged on the slide rail 464, the cylinder 461 is installed on the mounting plate 45, and the picking plate 47 is pushed to move by the moving part 46, so that the picking plate 47 can remove the battery on the conveyor 2 and send it to the detection equipment 5.

[0027] It should be added that the pressing member 49 includes a cylinder 3 491, a push plate 493 and a moving rod 495. The cylinder 3 491 is provided with a fixing plate 2 492. The output shaft of the cylinder 3 491 is connected to the push plate 493. The push plate 493 is provided with a guide hole 494. The moving rod 495 is provided with a guide rod 497. The guide rod 497 is in the guide hole 494. The pressing plate 496 is provided on the moving rod 495. The pressing plate 496 is provided with a pressing groove. A pressure sensor is provided in the pressing groove. The positive terminal of the battery is provided with a metal cap. When the pressing plate 496 contacts the metal cap on the battery, the metal cap on the battery can be in the pressing position. The pressing groove and the pressure sensor are pressed, so that the positive and negative poles of the battery can be judged. The moving rod 495 includes a rod body 1 4951 and a rod body 2 4952. The rod body 1 4951 is provided with a moving groove, and a spring 4953 is provided in the moving groove. One end of the rod body 2 4952 is in the moving groove and connected with the spring 4953. The material picking plate 47 is arranged at one end of the rod body 2 4952 away from the spring 4953. The guide rod 497 is arranged on the rod body 1 4951. Through the spring 4953, when the pressing plate 496 presses the battery, the rod body 2 4952 can squeeze the spring 4953 and move into the rod body 1 4951.

[0028] A limiting hole is provided on the guide rod 497, and a limiting rod 498 is provided in the limiting hole. The limiting rod 498 is fixed on the mounting plate 45. The guide rod 497 can move on the limiting rod 498 through the limiting hole. The guide rod 497 can be limited by the limiting rod 498, so that the movable rod 495 can move stably during movement.

[0029] The rotating member 48 includes a positioning plate 1 481, a motor 483 and a rotating plate 485. The positioning plate 1 481 is provided with a positioning plate 2 482. The motor 483 is mounted on the positioning plate 2 482. The output shaft of the motor 483 is provided with a gear set 484, and is connected to the rotating plate 485 through the gear set 484. The power is transmitted through the gear set 484. The rotating member 48 drives the moving member 46 to rotate, thereby driving the battery on the material taking plate 47 to rotate to distinguish the positive and negative poles. The position plate 481 is connected to the connecting plate 44, a rotating end 4851 is provided on the rotating plate 485, the rotating plate 485 is rotatably connected to the connecting plate 44 via the rotating end 4851, the tooth group 484 is provided on the rotating end 4851, the mounting plate 45 is connected to the rotating plate 485, the motor 483 drives the tooth group 484 to operate via the output shaft during operation, and then drives the rotating plate 485 to rotate via the rotating end 4851, and the tooth group 484 is a transmission member composed of a plurality of meshing gears during actual use.

[0030] When the present invention is in use, the unloading device 3 unloads the cylindrical batteries onto the conveyor 2 in sequence. After the conveyor 2 conveys the batteries to the position of the partition 4, the cylinder 2 461 starts to extend its output shaft, pushes the movable plate 462 to move downward, and then pushes the material picking plate 47 to contact the battery. The material picking plate 47 absorbs the battery through the vacuum suction nozzle. The cylinder 2 461 resets and removes the battery from the conveyor 2 through the material picking plate 47. Then the cylinder 1 431 and the cylinder 3 491 are started. The output of the cylinder 1 431 extends to push the rotating plate 432 to rotate with the rotating rod 433 as the turning point. The connecting end 1 4321 on the rotating plate 432 rotates downward, and its connecting end 2 4323 rotates upward. The connecting end 4323 drives the rotating member 48 and the mounting plate 45 to rotate upward, and then drives the moving member 46 and the removed battery to rotate upward, and rotates the mounting plate 45 to a horizontal state. The battery on the material-retrieving plate 47 corresponds to the detection device 5. When the cylinder 1 431 is started, the cylinder 3 491 is also started synchronously, and the output shaft of the cylinder 3 491 extends out to push the push plate 493 to move in the direction of the moving rod 495. When the push plate 493 moves in the direction of the moving rod 495, the guide rod 497 can be moved in the direction of the material-retrieving plate 47 through the guide hole 494, and then the pressing plate 496 is driven to move in the direction of the material-retrieving plate 47 through the moving rod 495. The pressing plate 496 and the material-retrieving plate One end of the battery on the plate 47 contacts and squeezes it. When the positive electrode of the battery contacts the pressing plate 496 (when the end of the battery in contact is the negative electrode, the pressure sensor will not be pressed, the rotating member 48 will not start, and the battery will be directly sent to the detection device 5), the metal cap on the battery will be in the pressing groove on the pressing plate 496. After the pressure sensor in the pressing groove detects it, the motor 483 will start, and the output shaft of the motor 483 will drive the gear set 484 to run, and then drive the rotating plate 485 to rotate through the rotating end 4851, and then drive the mounting plate 45 to rotate, so that the battery on the picking plate 47 is rotated 180 degrees to ensure that the positive electrode of the battery is facing upward , and then the cylinder 431 starts its output shaft to push the moving plate 462 to move toward the detection device 5, and pushes the battery on the material picking plate 47 to move onto the detection device 5, so as to send it to the detection device 5 for short circuit measurement, ensuring that the positive poles of the batteries to be tested are facing upwards and the negative poles are facing downwards, ensuring that the copper needles on the detection device 5 can correctly correspond to the positive and negative poles on the batteries, and can automatically distinguish the positive and negative poles of the batteries instead of manually. Compared with manual distinction of the positive and negative poles of the batteries, it can greatly shorten the preparation work before detection, avoid errors in distinguishing the positive and negative poles of the batteries, improve the accuracy of battery detection, and improve the efficiency of battery short circuit measurement while reducing labor costs.

[0031] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A battery short circuit measurement device, characterized in that: It comprises a testing platform (1), on which a conveyor (2), a material unloading device (3), a distinguishing element (4) and a testing device (5) are provided; A material unloading device (3) is used to automatically unload the batteries onto the conveyor (2) for transport; A conveyor (2) is used to transport the batteries dropped from the unloading device (3) toward the detection device (5); A distinguishing member (4) is used to grab the batteries on the conveyor (2), automatically distinguish the positive and negative poles of the batteries, and then send them to the detection device (5) for short circuit measurement; A detection device (5) for measuring the short-circuit current of the placed battery; The distinguishing member (4) further comprises a pressing member (49), a rotating member (48) and a moving member (46); the moving member (46) is provided with a material taking plate (47) for grabbing batteries on the conveyor (2); the pressing member (49) is provided with a pressing plate (496) for distinguishing between positive and negative electrodes of the battery; and the rotating member (48) is used to drive the battery to rotate to exchange the positions of the positive and negative electrodes.

2. A battery short circuit measurement device according to claim 1, characterized in that: The distinguishing member (4) further comprises a driving member (43) and a fixing plate (41); a supporting plate (42) is provided below the fixing plate (41); a driving member (43) is provided on the fixing plate (41); a connecting plate (44) is provided on the driving member (43); the rotating member (48) is provided on the connecting plate (44); a mounting plate (45) is provided on the rotating member (48); the moving member (46) is provided on the mounting plate (45); and the pressing member (49) is provided on a side of the mounting plate (45) away from the moving member (46).

3. A battery short circuit measurement device according to claim 2, characterized in that: The driving member (43) comprises a cylinder one (431) and a rotating plate (432); an output shaft of the cylinder one (431) is connected to one end of the rotating plate (432); the cylinder one (431) is rotatably arranged on a fixed plate one (41); a connecting groove (411) is provided on the fixed plate one (41); the rotating plate (432) is located in the connecting groove (411) and is connected to the fixed plate one (41); and one end of the rotating plate (432) away from the cylinder one (431) is connected to the connecting plate (44).

4. A battery short circuit measurement device according to claim 3, characterized in that: The rotating plate (432) comprises a rotating end (4322), a connecting end 1 (4321) and a connecting end 2 (4323) being provided on the rotating end (4322), the connecting end 1 (4321) being hinged to the output shaft of the cylinder 1 (431), the connecting end 2 (4323) being connected to the connecting plate (44), a rotating rod (433) being provided in the rotating end (4322), the rotating end (4322) being located in the connecting groove (411) and being rotatably connected to the fixed plate 1 (41) via the rotating rod (433).

5. A battery short circuit measurement device according to claim 4, characterized in that: The moving member (46) includes a second cylinder (461), a moving plate (462) is provided on the output shaft of the second cylinder (461), a sliding block (463) is provided on the side of the moving plate (462) facing the mounting plate (45), the material taking plate (47) is arranged on the moving plate (462), a sliding rail (464) is provided on the mounting plate (45), the sliding block (463) is slidably arranged on the sliding rail (464), and the second cylinder (461) is mounted on the mounting plate (45).

6. A battery short circuit measurement device according to claim 5, characterized in that: The pressing member (49) includes a cylinder three (491), a push plate (493) and a moving rod (495); a fixing plate two (492) is provided on the cylinder three (491); an output shaft of the cylinder three (491) is connected to the push plate (493); a guide hole (494) is provided on the push plate (493); a guide rod (497) is provided on the moving rod (495); the guide rod (497) is located in the guide hole (494); the pressing plate (496) is provided on the moving rod (495); a pressing groove is provided on the pressing plate (496); a pressure sensor is provided in the pressing groove.

7. A battery short circuit measurement device according to claim 6, characterized in that: The moving rod (495) includes a rod body 1 (4951) and a rod body 2 (4952); the rod body 1 (4951) is provided with a moving groove, a spring (4953) is provided in the moving groove, one end of the rod body 2 (4952) is connected to the spring (4953) in the moving groove, the material picking plate (47) is provided at the end of the rod body 2 (4952) away from the spring (4953), and the guide rod (497) is provided on the rod body 1 (4951).

8. A battery short circuit measurement device according to claim 7, characterized in that: A limiting hole is provided on the guide rod (497), a limiting rod (498) is provided in the limiting hole, and the limiting rod (498) is fixed on the mounting plate (45).

9. A battery short circuit measurement device according to claim 8, characterized in that: The rotating member (48) comprises a first positioning plate (481), a motor (483) and a rotating plate (485); a second positioning plate (482) is provided on the first positioning plate (481); the motor (483) is mounted on the second positioning plate (482); a gear set (484) is provided on the output shaft of the motor (483) and is transmission-connected to the rotating plate (485) via the gear set (484).

10. A battery short circuit measurement device according to claim 9, characterized in that: The first positioning plate (481) is connected to the connecting plate (44); a rotating end (4851) is provided on the rotating plate (485); the rotating plate (485) is rotatably connected to the connecting plate (44) via the rotating end (4851); the gear set (484) is provided on the rotating end (4851); and the mounting plate (45) is connected to the rotating plate (485).

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