Battery insulation withstand voltage test system

Abstract

The utility model relates to the technical field of battery cell testing, and in particular to a battery cell insulation withstand voltage testing system, comprising a loading line, a testing tool, a unloading line and a conveying mechanism, wherein the loading line is arranged horizontally, the testing tool is in two groups, which are respectively arranged on the front and rear sides of the right part of the loading line, the unloading lines are in two groups, which are respectively arranged on the side of the testing tool away from the loading line, and the conveying mechanism is longitudinally arranged across the loading line, the testing tool and the unloading line; the utility model has a simple structural design, a high degree of automation, and is easy to replace conductive foam, and is suitable for battery cell testing in a spray paint process.

Description

Technical Field

[0001] The utility model relates to the technical field of battery core testing, in particular to a battery core insulation withstand voltage testing system. Background Art

[0002] During the production and processing of battery cells, in order to ensure the insulation of the battery cell surface, insulating protective paint will be sprayed on the pole surface, bottom surface and four sides of the battery cell to form an insulating layer. In order to detect the insulation performance of the insulating layer, the battery cell is usually subjected to an insulation withstand voltage test.

[0003] At present, the existing related testing equipment mainly performs insulation withstand voltage test on the battery cells with film laminating process (i.e., wrapping the insulating film on the two sides and bottom of the battery cell), but does not perform insulation performance test on the pole surface. Moreover, the cells are mainly moved one by one to the testing equipment for testing, which is time-consuming, labor-intensive and inefficient. In addition, the conductive foam in the existing testing equipment is directly bonded, which is troublesome to replace. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a battery insulation withstand voltage test system which has a simple structural design, a high degree of automation, and is easy to replace conductive foam and is suitable for battery testing in a spray paint process.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a battery cell insulation withstand voltage test system, including a loading line, a test tool, a unloading line and a conveying mechanism, the loading line is arranged horizontally, the test tool is divided into two groups, which are respectively arranged on the front and rear sides of the right part of the loading line, the unloading lines are divided into two groups, which are respectively arranged on the side of the test tool away from the loading line, and the conveying mechanism is longitudinally arranged across the loading line, the test tool and the unloading line.

[0006] Furthermore, the test tooling includes a base frame, a movable beam, a driving cylinder, a test assembly and a tester. The base frame is arranged horizontally, the movable beam is slidably installed on the top of the base frame, the driving cylinder is longitudinally installed on the left and right ends of the top surface of the base frame respectively, and its driving end is connected to the bottom end of the movable beam. The test assembly is divided into several groups and arranged at intervals along the horizontal direction. The test assembly is distributed on the base frame and the movable beam, and the tester is electrically connected to the test assembly.

[0007] Furthermore, the test assembly includes a base, a pole surface cylinder, a pole panel, a large surface cylinder, a large panel, a small surface cylinder, a small panel, a conductive group, a pole probe and a surface probe. The base is installed at the top of the base frame, the pole surface cylinder is vertically installed at the top of the movable beam, and its driving end is connected to the middle of the top of the pole panel. There are two large surface cylinders, which are relatively arranged at the front and rear ends of the top surface of the base. The large panel is installed at the driving end of the large surface cylinder, and its bottom end is slidably connected to the base. There are two small panels, which are relatively arranged on the left and right sides of the top surface of the base. The bottom end of the small panel is slidably connected to the base at both ends, the small surface cylinder is installed at the bottom end of the base, and its driving end is connected to the bottom end of the small panel through a connecting block, the connecting block passes through a notch opened on the base, the conductive group is a plurality of groups, which are respectively arranged in the middle of the top surface of the base, the left and right ends of the bottom surface of the pole panel, the inner side of the large panel and the inner side of the small panel, the pole probe is installed on the left part of the pole panel, the surface probe is respectively installed on the base, the pole panel, the large panel and the small panel, and the tester is electrically connected to the pole probe and the surface probe respectively.

[0008] Furthermore, the conductive group includes a mounting plate, an insulating plate, a conductive plate and a conductive foam, and the mounting plate, insulating plate, conductive plate and conductive foam are connected in sequence. The conductive group on the pole panel, large panel and small panel also includes a handle, and the handle is installed on the mounting plate.

[0009] Furthermore, a positioning pin is provided between the base and the conductive group thereon, the bottom end of the positioning pin is connected to the base, and the top end thereof is inserted into a positioning hole provided at the end of the mounting plate; the pole panel and the mounting plate thereon, the large panel and the mounting plate thereon, and the small panel and the mounting plate thereon are detachably connected via quick-release plungers.

[0010] Furthermore, the left and right parts of the pole panel are respectively installed with limiting bolts.

[0011] Furthermore, the transport mechanism includes a gantry, a linear module, a lifting module, a bracket, a clamp cylinder and a clamp. The gantry is longitudinally arranged across the loading line, the test tooling and the unloading line. The linear modules are divided into two groups, which are respectively installed on the left and right sides of the top of the gantry. The lifting modules are divided into four groups, which are respectively installed on two slides of the linear modules. The top of the bracket is connected to the slide of the lifting module, and the bottom end is connected to the clamp cylinder. The clamp cylinder is divided into three groups, which are distributed at the bottom end of the bracket along the lateral intervals. The clamp is installed at the driving end of the clamp cylinder.

[0012] Furthermore, the feeding line includes a spiral feeding section, a transition section, a positioning and spacing section, a distribution component and a barcode scanner. The output end of the spiral feeding section is connected with the output end of the positioning and spacing section through the transition section. The transition section and the positioning and spacing section are both in two groups, and the two groups of transition sections are symmetrically arranged on both sides of the output end of the spiral feeding section. The distribution component is arranged at the output end of the spiral feeding section, and the barcode scanner is respectively installed at the input ends of the two groups of positioning and spacing sections.

[0013] Furthermore, the distribution assembly includes an inverted U-shaped frame, a distribution rod and a distribution motor. The inverted U-shaped frame is mounted across the input ends of the two transition sections, the distribution rod is arranged above the output end of the spiral unloading section, and the distribution motor is vertically installed in the middle of the top end of the inverted U-shaped frame, and its output end is connected to the distribution rod.

[0014] Furthermore, it also includes a flipping mechanism, which includes a frame, a flipping and lifting assembly and a distance adjusting assembly. The flipping and lifting assemblies are divided into two groups and are relatively spaced apart in the frame. The flipping and lifting assemblies are C-shaped, and their top ends are connected to the input end of the spiral feeding section. The distance adjusting assemblies are distributed in the frame to adjust the spacing between the two groups of flipping and lifting assemblies.

[0015] The beneficial effects of the utility model are:

[0016] (1) The utility model realizes automatic loading of battery cells through a loading line, and then a transport mechanism transports a number of battery cells to two sets of test fixtures for insulation withstand voltage testing, and transports the tested battery cells to a unloading line for feeding, which has a high degree of automation and is suitable for battery cell testing in a spray painting process;

[0017] (2) The utility model realizes the rapid disassembly and assembly of the conductive group by providing the positioning pin and the quick-release plunger, thereby facilitating the replacement of the conductive group;

[0018] (3) The utility model flips the battery cell by setting the flip lifting component so that the pole surface faces upward, thereby improving the practicality of the entire system. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the test tooling in the utility model;

[0022] Figure 3 yes Figure 2 Enlarged view of part A in the middle;

[0023] Figure 4It is a schematic diagram of the test assembly in the utility model;

[0024] Figure 5 It is a schematic diagram of the small-surface cylinder of the utility model;

[0025] Figure 6 It is a schematic diagram of the cylindrical cylinder in the utility model;

[0026] Figure 7 It is a schematic diagram of the transport mechanism in the utility model;

[0027] Figure 8 It is a schematic diagram of the feeding line in the utility model;

[0028] Fig. 9 yes Figure 8 Enlarged view of middle part B;

[0029] Fig.10 yes Figure 8 Enlarged view of the middle C part;

[0030] Fig.11 It is a schematic diagram of the dividing lever in the utility model;

[0031] Fig.12 It is a schematic diagram of the turning mechanism in the utility model;

[0032] Fig.13 It is a schematic diagram of the distance adjustment component in the utility model.

[0033] In the figure: 100, feeding line; 110, spiral unloading section; 120, transition section; 130, positioning and spacing section; 140, distribution assembly; 141, inverted U-shaped frame; 142, distribution rod; 143, distribution motor; 150, barcode scanner; 200, test fixture; 210, base frame; 220, movable beam; 230, driving cylinder; 240, test assembly; 241, base; 242, pole surface cylinder; 243, pole panel; 244, large surface cylinder; 245, large panel; 246, small surface cylinder; 247, small panel; 248, conductive group; 2481, mounting plate; 2482, insulating plate; 2483, conductive plate; 2484, conductive foam; 2485 , handle; 249, pole probe; 2410, surface probe; 2411, connecting block; 2412, notch; 250, tester; 300, unloading line; 400, handling mechanism; 410, gantry; 420, linear module; 430, lifting module; 440, bracket; 450, clamping cylinder; 460, clamping jaw; 500, positioning pin; 600, quick release plunger; 700, limit bolt; 800, flip mechanism; 810, frame; 820, flip lifting assembly; 821, C-shaped track; 822, lifting motor; 830, distance adjustment assembly; 831, vertical axis; 832, horizontal axis; 833, steering gear; 834, distance adjustment group; 900, pressure sensor. DETAILED DESCRIPTION

[0034] The present invention is now further described in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0035] Example 1

[0036] like Figure 1 As shown, a battery cell insulation withstand voltage test system includes a loading line 100, a test fixture 200, a discharge line 300 and a transport mechanism 400. The loading line 100 is arranged horizontally, and the test fixture 200 is divided into two groups, which are respectively arranged on the front and rear sides of the right part of the loading line 100. There are two discharge lines 300, which are respectively arranged on the side of the test fixture 200 away from the loading line 100. The transport mechanism 400 is longitudinally arranged across the loading line 100, the test fixture 200 and the discharge line 300. The battery cell is automatically loaded through the loading line 100, and then the transport mechanism 400 transports a number of battery cells to the two groups of test fixtures 200 for insulation withstand voltage test, and transports the tested battery cells to the discharge line 300 for feeding. The automation degree is high and it is suitable for battery cell detection in the painting process.

[0037] like Figure 1 and Figure 2As shown, the test fixture 200 includes a base frame 210, a movable beam 220, a driving cylinder 230, a test assembly 240 and a tester 250. The base frame 210 is arranged horizontally, the movable beam 220 is slidably installed on the top of the base frame 210, the driving cylinder 230 is longitudinally installed at the left and right ends of the top surface of the base frame 210, and its driving end is connected to the bottom end of the movable beam 220. The test assembly 240 is divided into several groups, which are arranged at intervals in the horizontal direction. The test assembly 240 is distributed on the base frame 210 and the movable beam 220, and the tester 250 is electrically connected to the test assembly 240. Specifically, the test assembly 240 is divided into six groups.

[0038] like Figure 2 , Figure 4-Figure 6 As shown, the test assembly 240 includes a base 241, a pole surface cylinder 242, a pole panel 243, a large surface cylinder 244, a large panel 245, a small surface cylinder 246, a small panel 247, a conductive group 248, a pole probe 249 and a surface probe 2410. The base 241 is installed at the top of the base frame 210. The pole surface cylinder 242 is vertically installed at the top of the movable beam 220, and its driving end is connected to the middle of the top of the pole panel 243. There are two large surface cylinders 244, which are relatively arranged at the front and rear ends of the top surface of the base 241. The large panel 245 is installed at the driving end of the large surface cylinder 244, and its bottom end is slidably connected to the base 241. There are two small panels 247, which are relatively arranged at the left and right ends of the top surface of the base 241. The bottom end of the panel 247 is slidably connected to the base 241, the small face cylinder 246 is installed at the bottom end of the base 241, and its driving end is connected to the bottom end of the small panel 247 through the connecting block 2411, the connecting block 2411 passes through the notch 2412 opened on the base 241, the conductive group 248 is a plurality of groups, which are respectively arranged at the middle of the top surface of the base 241, the left and right ends of the bottom surface of the pole panel 243, the inner side of the large panel 245 and the inner side of the small panel 247, the pole probe 249 is installed at the left part of the pole panel 243, the surface probe 2410 is respectively installed on the base 241, the pole panel 243, the large panel 245 and the small panel 247, and the tester 250 is electrically connected to the pole probe 249 and the surface probe 2410 respectively. Through the setting of the test assembly 240, the insulation performance of the pole surface, bottom surface, large surface and small surface of the battery cell can be detected. Specifically, pressure sensors 900 are respectively provided between the pole surface cylinder 242 and the pole panel 243, between the large surface cylinder 244 and the large panel 245, and between the small surface cylinder 246 and the small panel 247 to control the pressure.

[0039] During the test, the battery cell is placed on the conductive group 248 in the middle of the top surface of the base 241 by the transport mechanism 400, and then the small surface cylinder 246 drives the two small panels 247 to approach each other until the conductive group 248 on the small panel 247 fits with the small surface of the battery cell and contacts the probe 2410 on the small panel 247, and then the driving cylinder 230 drives the movable beam 220 to move, so that the pole panel 243 comes directly above the battery cell, and then the pole surface cylinder 242 drives the pole panel 243 to descend until the conductive group 248 on the pole panel 243 fits with the pole surface of the battery cell, and the pole probe 249 contacts the pole, and then the large surface cylinder 244 drives the two large panels 245 to approach each other until the conductive group 248 on the large panel 245 fits with the large surface of the battery cell and contacts the probe 2410 on the large panel 245, and finally the tester 250 performs the test.

[0040] like Figure 3 and Figure 4 As shown, the conductive group 248 includes a mounting plate 2481, an insulating plate 2482, a conductive plate 2483 and a conductive foam 2484, which are connected in sequence, and the conductive group 248 on the pole panel 243, the large panel 245 and the small panel 247 also includes a handle 2485, which is mounted on the mounting plate 2481. Specifically, the conductive plate 2483 contacts the surface probe 2410; the corners of the conductive foam 2484 are designed to imitate the fillet of the battery cell, so as to ensure that the conductive foam 2484 is fully in contact with the fillet of the battery cell, thereby ensuring the accuracy of the test.

[0041] like Figure 4 As shown, a positioning pin 500 is provided between the base 241 and the conductive group 248 thereon, the bottom end of the positioning pin 500 is connected to the base 241, and the top end thereof is inserted into a positioning hole provided at the end of the mounting plate 2481. Specifically, the top end of the surface probe 2410 in the conductive group 248 on the base 241 sequentially passes through the base 241 and the mounting plate 2481 to contact the conductive plate 2483.

[0042] like Figure 3 , Figure 4 and Figure 6 As shown, the pole panel 243 and its upper mounting plate 2481, the large panel 245 and its upper mounting plate 2481, and the small panel 247 and its upper mounting plate 2481 are detachably connected by quick-release plungers 600. Specifically, the pole panel 243 and its upper mounting plate 2481, the large panel 245 and its upper mounting plate 2481, and the small panel 247 and its upper mounting plate 2481 are all slidably matched; the quick-release plunger 600 is a prior art, and its specific prior art will not be described in detail here.

[0043] By providing the positioning pin 500 and the quick-release plunger 600 , the conductive group 248 can be quickly disassembled and assembled, thereby facilitating the replacement of the conductive group 248 .

[0044] When replacing the conductive group 248 (not the conductive group 248 on the base 241 ), pull out the quick-release plunger 600 and rotate it to self-lock, then pull out the conductive group 248 through the handle 2485 , put in the new conductive group 248 through the handle 2485 , and rotate the quick-release plunger 600 in the opposite direction to insert it into the mounting plate 2481 .

[0045] like Figure 6 As shown, the left and right parts of the pole panel 243 are respectively installed with limit bolts 700, and the arrangement of the limit bolts 700 ensures that the conductive foam 2484 on the pole panel 243 will not be over-pressed. Specifically, the bottom end of the limit bolt 700 is provided with a flexible polyurethane layer.

[0046] like Figure 7 As shown, the transport mechanism 400 includes a gantry 410, a linear module 420, a lifting module 430, a bracket 440, a clamping cylinder 450 and a clamping claw 460. The gantry 410 is longitudinally arranged across the loading line 100, the test fixture 200 and the unloading line 300. The linear modules 420 are divided into two groups, which are respectively installed on the left and right sides of the top of the gantry 410. The lifting modules 430 are divided into four groups, which are respectively installed on two slides of the linear modules 420. The top of the bracket 440 is connected to the slide of the lifting module 430, and the bottom end thereof is connected to the clamping claw cylinder 450. The clamping claw cylinder 450 is divided into three groups, which are distributed at the bottom end of the bracket 440 along the lateral interval. The clamping claw 460 is installed at the driving end of the clamping claw cylinder 450.

[0047] like Figure 8-Figure 10 As shown, the loading line 100 includes a spiral unloading section 110, a transition section 120, a positioning and spacing section 130, a distribution component 140 and a code scanner 150. The output end of the spiral unloading section 110 is connected to the input end of the positioning and spacing section 130 through the transition section 120. The transition section 120 and the positioning and spacing section 130 are both in two groups, and the two groups of transition sections 120 are symmetrically arranged on both sides of the output end of the spiral unloading section 110. The distribution component 140 is arranged at the output end of the spiral unloading section 110, and the code scanner 150 is respectively installed at the input end of the two groups of positioning and spacing sections 130. Through the arrangement of the distribution component 140, the battery cells at the output end of the spiral unloading section 110 are shunted so that they enter the two groups of transition sections 120 in sequence, thereby ensuring that the battery cells on the positioning and spacing section 130 are appropriate and orderly. Specifically, the spiral unloading section 110, the transition section 120 and the positioning and spacing section 130 are all existing conveying lines.

[0048] like Fig. 9 and Fig.11As shown, the distribution assembly 140 includes an inverted U-shaped frame 141, a distribution rod 142 and a distribution motor 143. The inverted U-shaped frame 141 is mounted across the input ends of the two transition sections 120, the distribution rod 142 is arranged above the output end of the spiral unloading section 110, and the distribution motor 143 is vertically installed in the middle of the top of the inverted U-shaped frame 141, and its output end is connected to the distribution rod 142. When diverting, the distribution motor 143 drives the distribution rod 142 to swing, and the inclined surfaces on both sides of the distribution rod 142 guide the battery cells.

[0049] Example 2

[0050] like Figure 1 and Fig.12 As shown, this embodiment adds a flip mechanism 800 on the basis of embodiment 1. The flip mechanism 800 includes a frame 810, a flip lifting assembly 820 and a distance adjustment assembly 830. The flip lifting assembly 820 is divided into two groups, which are arranged in the frame 810 at a relative interval. The flip lifting assembly 820 is C-shaped, and its top end is connected to the input end of the spiral feeding section 110. The distance adjustment assembly 830 is distributed in the frame 810 to adjust the distance between the two groups of flip lifting assemblies 820. Through the arrangement of the flip lifting assembly 820, the battery cell is clamped, lifted and flipped so that its pole face is facing upward, thereby improving the practicality of the entire system.

[0051] like Fig.12 and Fig.13 As shown, the flipping and lifting assembly 820 includes a C-shaped track 821, a lifting motor 822, a transmission chain and a gripper. The C-shaped track 821 is arranged in the frame 810, and the transmission chain is arranged in the C-shaped track 821 and is transmission-connected with the output end of the lifting motor 822. The gripper is installed on the transmission chain. This is the prior art. After the gripper grips the battery cell, the lifting motor 822 drives the transmission chain to move, thereby driving the gripper to move along the C-shaped track 821 to achieve lifting and flipping of the battery cell.

[0052] like Fig.12 and Fig.13As shown, the pitch adjustment assembly 830 includes a vertical shaft 831, a horizontal shaft 832, a steering gear 833, a pitch adjustment group 834 and a hand wheel. The vertical shaft 831 is vertically arranged in the frame 810. There are two horizontal shafts 832, which are arranged at the upper and lower ends of the vertical shaft 831 respectively. The horizontal shaft 832 is arranged horizontally in the frame 810, and its right end is connected to the end of the vertical shaft 831 through the steering gear 833. The pitch adjustment group 834 consists of three groups, which are arranged in the middle of the vertical shaft 831 and the left ends of the two horizontal shafts 832 respectively. The pitch adjustment group 834 is installed in the frame 810, and its driving end is connected to the C-shaped track 821, and the hand wheel is installed at the bottom end of the vertical shaft 831. Specifically, the pitch adjustment group 834 is a double-slide plate linear module, and its slide plate is connected to the C-shaped track 821; the vertical shaft 831 and the horizontal shaft 832 are both connected to the bidirectional screw drive in the pitch adjustment group 834. The three distance adjustment groups 834 work synchronously through the vertical axis 831 and the horizontal axis 832. The distance adjustment groups 834 drive the two groups of flipping and lifting components 820 to move closer to or away from each other, so as to adjust the distance to adapt to battery cells of different sizes.

[0053] The above-mentioned implementation mode is only for illustrating the technical concept and features of the utility model, and its purpose is to enable people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A battery cell insulation withstand voltage test system, characterized in that: The invention comprises a loading line (100), a testing tool (200), a unloading line (300) and a transport mechanism (400); the loading line (100) is arranged horizontally; the testing tool (200) is divided into two groups, which are respectively arranged on the front and rear sides of the right part of the loading line (100); the unloading lines (300) are divided into two groups, which are respectively arranged on the side of the testing tool (200) away from the loading line (100); and the transport mechanism (400) is longitudinally arranged across the loading line (100), the testing tool (200) and the unloading line (300).

2. The battery cell insulation withstand voltage test system according to claim 1, characterized in that: The test fixture (200) comprises a base frame (210), a movable beam (220), a driving cylinder (230), a test assembly (240) and a tester (250); the base frame (210) is arranged in a transverse direction; the movable beam (220) is slidably mounted on the top of the base frame (210); the driving cylinder (230) is longitudinally mounted on the left and right ends of the top surface of the base frame (210), and its driving end is connected to the bottom end of the movable beam (220); the test assembly (240) is divided into a plurality of groups and arranged in a transversely spaced manner; the test assembly (240) is distributed on the base frame (210) and the movable beam (220); and the tester (250) is electrically connected to the test assembly (240).

3. The battery cell insulation withstand voltage test system according to claim 2, characterized in that: The test assembly (240) comprises a base (241), a pole surface cylinder (242), a pole panel (243), a large surface cylinder (244), a large panel (245), a small surface cylinder (246), a small panel (247), a conductive group (248), a pole probe (249) and a surface probe (2410). The base (241) is installed at the top of the base frame (210). The pole surface cylinder (242) is vertically installed at the top of the movable beam (220), and its driving end is connected to the middle of the top of the pole panel (243). The large surface cylinder (244) is two and is relatively arranged at the front and rear ends of the top surface of the base (241). The large panel (245) is installed at the driving end of the large surface cylinder (244), and its bottom end is slidably connected to the base (241). The small panel (247) is two and is relatively arranged at the left and right ends of the top surface of the base (241). The bottom end of the plate (247) is slidably connected to the base (241), the small face cylinder (246) is installed at the bottom end of the base (241), and its driving end is connected to the bottom end of the small panel (247) through a connecting block (2411), the connecting block (2411) passes through a notch (2412) provided on the base (241), and the conductive group (248) is composed of a plurality of groups, which are respectively arranged at the middle of the top surface of the base (241), the pole panel (24 3) the left and right ends of the bottom surface, the inner side of the large panel (245) and the inner side of the small panel (247), the pole probe (249) is installed on the left part of the pole panel (243), the surface probe (2410) is installed on the base (241), the pole panel (243), the large panel (245) and the small panel (247), and the tester (250) is electrically connected to the pole probe (249) and the surface probe (2410) respectively.

4. The battery cell insulation withstand voltage test system according to claim 3, characterized in that: The conductive group (248) includes a mounting plate (2481), an insulating plate (2482), a conductive plate (2483) and a conductive foam (2484), wherein the mounting plate (2481), the insulating plate (2482), the conductive plate (2483) and the conductive foam (2484) are connected in sequence, and the conductive group (248) on the pole panel (243), the large panel (245) and the small panel (247) also includes a handle (2485), wherein the handle (2485) is mounted on the mounting plate (2481).

5. The battery cell insulation withstand voltage test system according to claim 4, characterized in that: A positioning pin (500) is provided between the base (241) and the conductive group (248) thereon; the bottom end of the positioning pin (500) is connected to the base (241), and the top end thereof is inserted into a positioning hole provided at the end of the mounting plate (2481); the pole panel (243) and the mounting plate (2481) thereon, the large panel (245) and the mounting plate (2481) thereon, and the small panel (247) and the mounting plate (2481) thereon are detachably connected via quick-release plungers (600).

6. The battery cell insulation withstand voltage test system according to claim 3, characterized in that: Limiting bolts (700) are respectively installed on the left and right parts of the pole panel (243).

7. The battery cell insulation withstand voltage test system according to claim 1, characterized in that: The transport mechanism (400) comprises a gantry (410), a linear module (420), a lifting module (430), a bracket (440), a clamping cylinder (450) and a clamping claw (460). The gantry (410) is longitudinally arranged across the loading line (100), the test fixture (200) and the unloading line (300). The linear module (420) is divided into two groups, which are respectively installed on the left and right sides of the top of the gantry (410). The lifting module (430) is divided into four groups, which are respectively installed on two slides of the linear module (420). The top of the bracket (440) is connected to the slide of the lifting module (430), and the bottom of the bracket (440) is connected to the clamping claw cylinder (450). The clamping claw cylinder (450) is divided into three groups, which are distributed at intervals at the bottom of the bracket (440) along the horizontal direction. The clamping claw (460) is installed at the driving end of the clamping claw cylinder (450).

8. The battery cell insulation withstand voltage test system according to claim 1, characterized in that: The feeding line (100) comprises a spiral feeding section (110), a transition section (120), a positioning and spacing section (130), a distribution component (140) and a code scanner (150); the output end of the spiral feeding section (110) is connected with the output end of the positioning and spacing section (130) through the transition section (120); the transition section (120) and the positioning and spacing section (130) are both in two groups, and the two groups of transition sections (120) are symmetrically arranged on both sides of the output end of the spiral feeding section (110); the distribution component (140) is arranged at the output end of the spiral feeding section (110); and the code scanner (150) is respectively installed at the input ends of the two groups of positioning and spacing sections (130).

9. The battery cell insulation withstand voltage test system according to claim 8, characterized in that: The distribution assembly (140) comprises an inverted U-shaped frame (141), a distribution rod (142) and a distribution motor (143); the inverted U-shaped frame (141) is mounted across the input ends of the two transition sections (120); the distribution rod (142) is arranged above the output end of the spiral unloading section (110); the distribution motor (143) is vertically mounted at the middle of the top end of the inverted U-shaped frame (141), and its output end is connected to the distribution rod (142).

10. The battery cell insulation withstand voltage test system according to claim 8, characterized in that: The invention also comprises a flipping mechanism (800), wherein the flipping mechanism (800) comprises a frame (810), a flipping and lifting assembly (820) and a distance adjustment assembly (830). The flipping and lifting assembly (820) is divided into two groups and arranged in the frame (810) at a relative interval. The flipping and lifting assembly (820) is C-shaped, and its top end is connected to the input end of the spiral unloading section (110). The distance adjustment assembly (830) is distributed in the frame (810) to adjust the distance between the two groups of flipping and lifting assemblies (820).

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