Pole piece detection device

Abstract

The utility model discloses a pole piece detection device, and relates to the technical field of battery manufacturing. The pole piece detection device comprises a sampling mechanism, an appearance detection mechanism, a weighing mechanism, a moisture content detection mechanism and a moving mechanism, wherein the sampling mechanism is configured to obtain a pole piece sample with a preset shape from a to-be-detected pole piece; the appearance detection mechanism is configured to perform appearance detection on the pole piece sample; the weighing mechanism is configured to carry out weighing detection on the pole piece sample; the water content detection mechanism is configured to detect the water content of the pole piece sample; the moving mechanism is configured to move the pole piece sample obtained by the sampling mechanism to the appearance detection mechanism, and / or move the pole piece sample at the appearance detection mechanism to the weighing mechanism, and / or move the pole piece sample at the weighing mechanism to the moisture content detection mechanism. According to the technical scheme, manual work can be replaced, and the pole piece detection efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of battery production technology, and in particular to an electrode detection device. Background Technology

[0002] The electrode sheet is one of the core components of a battery. During the battery manufacturing process, it is necessary to test the consistency of the coating weight of the electrode sheet.

[0003] In related technologies, electrode sheets are typically cut manually and placed in a stamping machine to produce uniformly shaped small discs. These discs are then manually weighed and finally placed manually into a moisture content testing instrument for moisture content detection. This manual operation method is inefficient and has poor accuracy. Utility Model Content

[0004] The main purpose of this invention is to provide an electrode testing device that aims to replace manual labor and improve the efficiency of electrode testing.

[0005] To achieve the above objectives, the electrode detection device proposed in this utility model includes:

[0006] The sampling mechanism is configured to obtain an electrode sample of a preset shape from the electrode to be tested;

[0007] The appearance inspection agency is configured to perform appearance inspection on electrode samples;

[0008] The weighing mechanism is configured to weigh the electrode sample.

[0009] The moisture content testing facility is configured to test the moisture content of electrode samples; and

[0010] The moving mechanism is configured to move the electrode sample obtained by the sampling mechanism to the appearance inspection mechanism, and / or move the electrode sample at the appearance inspection mechanism to the weighing mechanism, and / or move the electrode sample at the weighing mechanism to the moisture content detection mechanism.

[0011] The sampling mechanism, the appearance inspection mechanism, the weighing mechanism, and the moisture content detection mechanism are arranged sequentially along a first direction; the moving mechanism is configured to reciprocate along the first direction.

[0012] In the electrode testing device of this application, the sampling mechanism automatically cuts electrode samples of a preset shape. The moving mechanism then sequentially transfers the electrode samples to the appearance inspection mechanism for automatic appearance inspection, the weighing mechanism for automatic weighing, and the moisture content detection mechanism for automatic moisture content detection. This achieves full automation of the electrode sampling and testing process, eliminating manual operation, improving the quality of electrode samples, and enhancing the efficiency and accuracy of electrode testing. The sampling, appearance inspection, weighing, and moisture content detection processes flow in the same direction. This arrangement makes the layout of each testing station more organized and rational. The moving mechanism only needs to perform linear reciprocating motion to complete the sample transfer, eliminating the unreliable risks of multi-directional movement or intersecting paths, reducing the operating distance of the moving mechanism, and further improving overall efficiency.

[0013] In one embodiment of this application, the sampling mechanism includes:

[0014] The support plate is configured to support the electrode to be tested;

[0015] A cutting assembly, mounted on the moving mechanism and movably positioned above the support plate, is configured to cut electrode samples of a preset shape from the electrode to be tested; and

[0016] The first adsorption component is connected to the cutting component and is configured to adsorb the electrode sample cut off by the cutting component.

[0017] This design features a support plate that provides stable support for the electrode to be tested, preventing deformation or displacement during cutting. The up-and-down movement of the cutting assembly allows for controllable cutting depth, accommodating electrodes of varying thicknesses. The cooperation between the first adsorption assembly and the cutting assembly ensures that the cut sample is promptly fixed, preventing it from falling off or shifting during transfer. This design improves the accuracy and efficiency of sampling, providing reliable samples for subsequent testing and thus effectively enhancing the accuracy of the test results.

[0018] In one embodiment of this application, the cutting assembly includes:

[0019] A first lifting structure is installed on the moving mechanism;

[0020] A rotary motor is installed on the first lifting structure; and

[0021] The cutter, driven and connected to the rotary motor, is configured to rotary cut the electrode to be tested; the cutter has a cutter cavity, and the first adsorption component is connected to the cutter cavity to form a negative pressure in the cutter cavity.

[0022] This design improves cutting efficiency and edge quality through rotary cutting, avoiding sample deformation caused by traditional shearing methods. The negative pressure adsorption function can fix the cut sample, preventing it from falling off or shifting. In this way, both cutting quality and immediate sample fixation are achieved, providing a reliable sample for subsequent testing and thus effectively improving the accuracy of test results.

[0023] In one embodiment of this application, the cutting assembly further includes:

[0024] A housing, fitted over the cutter, has a positioning surface for abutting against the electrode to be tested, and the positioning surface has an opening through which the cutter passes; and

[0025] An elastic element that elastically connects the housing to the rotary motor.

[0026] This design improves the cutting quality and provides a reliable sample for subsequent testing, thereby effectively improving the accuracy of the test results.

[0027] In one embodiment of this application, in the free state of the elastic member, the positioning surface is located below the lower surface of the cutter.

[0028] This design avoids cutting deviation caused by surface undulations of the electrode or equipment vibration, thereby improving cutting accuracy and quality.

[0029] In one embodiment of this application, the moving mechanism includes:

[0030] A first movable component, wherein the sampling mechanism is mounted on the first movable component, and the first movable component is configured to move the sampling mechanism to the appearance inspection mechanism; and

[0031] A second moving component is disposed on one side of the first moving component. The second moving component is configured to move the electrode sample at the appearance inspection mechanism to the weighing mechanism and to move the electrode sample at the weighing mechanism to the moisture content inspection mechanism.

[0032] This design, by setting up independent first and second moving components, allows sampling and testing to be performed simultaneously. The first moving component is used to pick up the material and transfer the electrode sample to the testing position, while the second moving component is used to move the electrode sample between different testing positions. This avoids the waiting time caused by the frequent back-and-forth movement of a single moving component in traditional solutions, thus improving the work cycle and testing efficiency.

[0033] In one embodiment of this application, the first moving component includes a first guide rail and a first displacement module. The first guide rail extends along a first direction, and the first displacement module can reciprocate along the first guide rail. The sampling mechanism is disposed on the first displacement module.

[0034] This design enables the sampling mechanism to be moved to the appearance inspection mechanism to complete the transfer of electrode samples.

[0035] In one embodiment of this application, the second moving component includes:

[0036] The second guide rail and the second displacement module are provided. The second guide rail extends along the arrangement direction of the appearance inspection mechanism, the weighing mechanism and the moisture content detection mechanism. The second displacement module can reciprocate along the second guide rail.

[0037] The second lifting structure is located in the second displacement module; and

[0038] The second adsorption component, located in the second lifting structure, is configured to adsorb or release the electrode sample.

[0039] This design makes the layout of each testing station more organized and rational. The first and second moving components only need to perform linear reciprocating motion to complete the sample transfer, reducing the operating distance and further improving the overall efficiency.

[0040] In one embodiment of this application, at least two second displacement modules are provided on the second guide rail, and each second displacement module is provided with a second lifting structure and a second adsorption component.

[0041] This design can further improve the work cycle, save waiting and turnaround time, and improve testing efficiency.

[0042] In one embodiment of this application, a collection box is also included, which is disposed on the side of the moisture content detection mechanism away from the weighing mechanism.

[0043] This design results in a more organized overall layout, shortens the operating distance of the moving mechanism, and further improves overall efficiency.

[0044] In one embodiment of this application, a defective product box is also included, which is disposed on one side of the appearance inspection mechanism.

[0045] This design results in a more organized overall layout, shortens the operating distance of the moving mechanism, and further improves overall efficiency.

[0046] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the other objects, features and advantages of this application more obvious and understandable, specific embodiments of this application are given below. Attached Figure Description

[0047] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0048] Figure 1 This is a schematic diagram of the structure of an embodiment of the electrode detection device of this utility model;

[0049] Figure 2 This is a schematic diagram of the cooperative structure of the sampling mechanism and the first moving component in an embodiment of this application;

[0050] Figure 3 for Figure 2 Side view from the perspective of the first direction;

[0051] Figure 4 This is a schematic diagram of the cooperative structure of each detection mechanism and the second moving component in the embodiments of this application;

[0052] Figure 5 for Figure 4 The front view.

[0053] Explanation of icon numbers:

[0054] 100. Sampling mechanism; 110. Support plate; 120. Cutting assembly; 121. First lifting structure; 122. Rotary motor; 123. Cutter; 124. Cutter cavity; 125. Housing; 1251. Positioning surface; 126. Elastic element; 130. First adsorption assembly;

[0055] 200. Appearance inspection agencies;

[0056] 300. Weighing mechanism;

[0057] 400. Moisture content testing agency;

[0058] 500. Moving mechanism; 510. First moving component; 511. First guide rail; 512. First displacement module; 520. Second moving component; 521. Second guide rail; 522. Second displacement module; 523. Second lifting structure; 524. Second adsorption component;

[0059] 600. Collection box;

[0060] 700, Defective Boxes;

[0061] 800, rack.

[0062] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0063] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0064] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0065] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0066] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0067] Currently, the application of power batteries is becoming increasingly widespread. Power batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power, and solar power plants, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, and electric cars, as well as in aerospace and other fields. With the continuous expansion of the application areas of power batteries, the market demand is also constantly increasing.

[0068] Battery electrode sheets are one of the core components of a battery. During battery manufacturing, it is necessary to check the consistency of the coating weight of the electrode sheets. In related technologies, electrode sheets are typically cut manually and placed in a stamping machine to produce uniformly shaped small discs. These discs are then manually weighed and subsequently tested for moisture content. This manual method is inefficient and inaccurate.

[0069] Therefore, this utility model proposes an electrode testing device, which aims to automatically acquire electrode samples through a sampling mechanism, and then automatically perform appearance inspection, weighing, and moisture content detection through a moving mechanism. This device can replace manual labor and improve the efficiency of electrode testing. The structure of this electrode testing device will be described below with examples.

[0070] like Figures 1 to 2 As shown, the electrode testing device includes a sampling mechanism 100, an appearance inspection mechanism 200, a weighing mechanism 300, a moisture content testing mechanism 400, and a moving mechanism 500. The sampling mechanism 100 is configured to acquire an electrode sample of a preset shape from the electrode to be tested; the appearance inspection mechanism 200 is configured to perform appearance inspection on the electrode sample; the weighing mechanism 300 is configured to perform weight testing on the electrode sample; the moisture content testing mechanism 400 is configured to perform moisture content testing on the electrode sample; and the moving mechanism 500 is configured to move the electrode sample acquired by the sampling mechanism 100 to the appearance inspection mechanism 200, and / or move the electrode sample at the appearance inspection mechanism 200 to the weighing mechanism 300, and / or move the electrode sample at the weighing mechanism 300 to the moisture content testing mechanism 400.

[0071] The sampling mechanism 100 refers to a device capable of automatically cutting electrode samples. Optionally, it can be implemented by using a cutting assembly with a cutter in conjunction with a negative pressure adsorption assembly and a driving assembly. The driving assembly can drive the cutter to cut out electrode samples of a preset shape (e.g., small discs), and the negative pressure adsorption assembly can fix the electrode samples and remove them from the electrode to be tested.

[0072] The appearance inspection mechanism 200 refers to an optical inspection device capable of automatically inspecting the appearance, shape, size, and surface defects of electrode samples, eliminating errors from manual observation. Understandably, the appearance of the electrode samples is inspected before weighing or moisture content testing to check whether the dimensions and surface defects of the cut electrode samples meet the testing requirements, ensuring the accuracy of the electrode sample inspection. Optionally, the appearance inspection mechanism 200 can employ a CCD vision inspection mechanism, specifically including a CCD camera, a CCD positioning mechanism, a CCD light source, and a CCD transparent plate arranged sequentially from bottom to top.

[0073] The weighing mechanism 300 refers to a weighing device that automatically measures the mass of the electrode sample, thereby detecting the weight of the electrode sample to verify the consistency of the electrode coating weight. Optionally, the weighing mechanism 300 can be an electronic scale.

[0074] The moisture content detection mechanism 400 refers to an analytical instrument that automatically measures the moisture content of electrode samples. It is used to detect the internal moisture content of the electrode after coating and drying to ensure chemical stability. Optionally, the moisture content detection mechanism 400 can be implemented using an infrared drying method or a Karl Fischer method detection module.

[0075] The moving mechanism 500 refers to an automated transport mechanism capable of moving electrode samples between sampling positions, appearance inspection positions, weighing positions, and moisture content inspection positions, replacing manual transfer and improving efficiency. Optionally, the moving mechanism 500 can be implemented using linear modules, rotary modules, cylinder or motor-driven moving components, robotic arms, adsorption components, or some other transfer mechanisms, realizing the movement of electrode samples between various workstations through a preset route.

[0076] In practical sampling and testing applications, the sampling mechanism 100 automatically cuts a sample of a preset shape from the electrode to be tested. The moving mechanism 500 moves the acquired electrode sample to the appearance inspection mechanism 200 for automatic appearance inspection. After passing the appearance inspection, the moving mechanism 500 moves the qualified electrode sample to the weighing mechanism 300 for automatic weighing. After the weighing is completed, the moving mechanism 500 moves the weighed electrode sample to the moisture content testing mechanism 400 for automatic moisture content testing. This enables automatic sampling and testing of the electrode, determining whether the weight and moisture content of the electrode to be tested meet the requirements by measuring the weight and moisture content of the electrode sample.

[0077] In one embodiment of this application, the sampling mechanism 100, the appearance inspection mechanism 200, the weighing mechanism 300, and the moisture content detection mechanism 400 are arranged sequentially along a first direction; the moving mechanism 500 is configured to reciprocate along the first direction.

[0078] It is understandable that the first direction is not limited to a specific direction. For example, it can be based on the direction of transport of the electrode to be tested. The first direction can be parallel, perpendicular, or inclined to the direction of transport of the electrode to be tested. For ease of understanding, we will take the example of the first direction being perpendicular to the direction of transport of the electrode to be tested.

[0079] In summary, in the electrode testing device of this application, the sampling mechanism 100 automatically cuts electrode samples of a preset shape, and the moving mechanism 500 transfers the electrode samples to the appearance inspection mechanism 200 for automatic appearance inspection, the weighing mechanism 300 for automatic weighing, and the moisture content detection mechanism 400 for automatic moisture content detection. This achieves full automation of the electrode sampling and testing process, eliminates manual operation, improves the quality of electrode samples, and enhances the efficiency and accuracy of electrode testing. By arranging the sampling mechanism 100, appearance inspection mechanism 200, weighing mechanism 300, and moisture content testing mechanism 400 sequentially along the first direction, and configuring the moving mechanism 500 to reciprocate along the first direction, the sampling, appearance inspection, weighing, and moisture content testing processes of the electrode sample flow along the same direction. This arrangement makes the layout of each testing station more regular and rational. The moving mechanism 500 only needs to perform linear reciprocating motion to complete the sample transfer, eliminating the unreliable risks of multi-directional movement or intersecting paths, reducing the operating distance of the moving mechanism 500, and further improving the overall efficiency.

[0080] Please see Figures 1 to 3 In one embodiment of this application, the sampling mechanism 100 includes a support plate 110, a cutting assembly 120, and a first adsorption assembly 130. The support plate 110 is configured to support the electrode to be tested. The cutting assembly 120 is mounted on the moving mechanism 500 and is movably disposed above the support plate 110. The cutting assembly 120 is configured to cut an electrode sample of a preset shape from the electrode to be tested. The first adsorption assembly 130 is connected to the cutting assembly 120 and is configured to adsorb the electrode sample cut by the cutting assembly 120.

[0081] The support plate 110 serves to support the electrode to be tested, preventing it from warping or deforming during the cutting process and improving cutting accuracy. Optionally, the support plate 110 can be a metal plate or a non-metal plate, and its surface can be provided with anti-slip textures or uneven structures to increase friction.

[0082] The cutting assembly 120 refers to the structure used to complete the electrode cutting action. The cutting assembly 120 is mounted on the moving mechanism 500 and can move closer to or further away from the support plate 110 in the vertical direction. Understandably, the cutting assembly 120 moves closer to the support plate 110 to cut the electrode. After cutting, it moves away from the support plate 110 to remove the electrode sample. Then, the moving mechanism 500 transfers the electrode sample to the appearance inspection mechanism 200 for inspection. Optionally, the vertical movement of the cutting assembly 120 can be controlled by a servo motor or cylinder; the cutting assembly 120 can be implemented using components such as a rotary motor 122 and a cutting blade.

[0083] The first adsorption component 130 is connected to the cutting component 120 and is configured to adsorb the electrode sample cut by the cutting component 120. It is understood that the first adsorption component 130 can be connected to a vacuum generator or a negative pressure pump, which is activated the instant the cutting action of the cutting component 120 is completed. The generated negative pressure adsorbs and fixes the electrode sample, preventing displacement due to inertia or vibration. Compared to structures that use grippers or similar devices to grasp the sample, the first adsorption component 130 in this embodiment does not damage the appearance of the electrode sample, effectively improving sample quality.

[0084] In this embodiment, the support plate 110 provides stable support for the electrode to be tested, preventing deformation or displacement of the electrode during cutting. The up-and-down moving structure of the cutting assembly 120 allows for controllable cutting depth, adapting to electrode thicknesses of varying thicknesses. The cooperation between the first adsorption assembly 130 and the cutting assembly 120 ensures that the cut sample is promptly fixed, preventing sample detachment or displacement during transfer. This design improves the accuracy and efficiency of sampling, providing reliable samples for subsequent testing, thereby effectively enhancing the accuracy of the test results.

[0085] Please see Figures 1 to 3 In one embodiment of this application, the cutting assembly 120 includes a first lifting structure 121, a rotary motor 122, and a cutter 123. The first lifting structure 121 is mounted on the moving mechanism 500; the rotary motor 122 is mounted on the first lifting structure 121; the cutter 123 is driven and connected to the rotary motor 122 and is configured to rotary cut the electrode to be tested; the cutter 123 is provided with a cutter cavity 124, and the first adsorption assembly 130 is connected to the cutter cavity 124 to form a negative pressure in the cutter cavity 124.

[0086] The first lifting structure 121 is configured to lift vertically, driving the rotary motor 122 and the cutter 123 to move up and down, moving closer to or away from the support plate 110. Optionally, the first lifting structure 121 includes a lifting cylinder mounted on the moving mechanism 500, with the rotary motor 122 and the cutter 123 drivenly connected to the piston rod of the lifting cylinder.

[0087] The rotary motor 122 is mounted on the first lifting structure 121. Understandably, the rotary motor 122 can move up and down under the drive of the first lifting structure 121, and at the same time, the rotary motor 122 can output torque to drive the cutter 123 to rotate.

[0088] The cutter 123 is driven and connected to the rotary motor 122, so the cutter 123 can rotate under the drive of the rotary motor 122 to cut out a circular electrode sample (such as a small disc) from the electrode to be tested. Specifically, the cutter 123 is provided with a cutter cavity 124. It can be understood that the cutter 123 is cylindrical with a sharp cutting edge at the bottom. The inner cavity of the cylinder forms the cutter cavity 124. The first adsorption component 130 is connected to the cutter cavity 124 and is used to create a negative pressure in the cutter cavity 124. When the cutter 123 completes the cutting, the electrode sample can be adsorbed and fixed under the action of negative pressure.

[0089] In practical applications, the moving mechanism 500 drives the cutting assembly 120 to the position to be cut. The first lifting structure 121 descends to make the cutter 123 contact the electrode surface. At this time, the rotary motor 122 starts to drive the cutter 123 to rotate at high speed. At the same time, the first lifting structure 121 continues to press down, so that the cutter 123 cuts into the electrode and completes the cutting. When the cutting is almost completed, the first adsorption assembly 130 starts to form a negative pressure in the cutting cavity 124, adsorbing and fixing the cut electrode sample. Thus, the automatic cutting function of the electrode sample is realized.

[0090] In this embodiment, rotary cutting improves cutting efficiency and edge quality, avoiding sample deformation caused by traditional shearing methods; the negative pressure adsorption function ensures that the cut sample is fixed, preventing it from falling off or shifting. This design not only guarantees cutting quality but also achieves immediate sample fixation, providing a reliable sample for subsequent testing and thus effectively improving the accuracy of the test results.

[0091] Please see Figures 1 to 3 In one embodiment of this application, the cutting assembly 120 further includes a housing 125 and an elastic member 126. The housing 125 is sleeved on the outside of the cutter 123. The housing 125 has a positioning surface 1251 for abutting against the electrode to be tested. The positioning surface 1251 has an opening for the cutter 123 to pass through. The elastic member 126 elastically connects the housing 125 and the rotary motor 122.

[0092] The housing 125 is fitted over the cutter 123, serving to limit and position the electrode to be tested during the cutting process, ensuring the reliability of the cutting process and preventing the electrode from moving during cutting. Optionally, the housing 125 can be made of a metal material, such as stainless steel or aluminum alloy, to provide sufficient rigidity and wear resistance. The housing 125 can be a cylindrical structure, and the positioning surface 1251 can be designed as a flat or curved surface to ensure good contact with the electrode to be tested. The diameter of the opening on the positioning surface 1251 can be slightly larger than the outer diameter of the cutter 123 to allow the cutter 123 to pass through smoothly.

[0093] The elastic element 126 elastically connects the housing 125 and the rotary motor 122, allowing the housing 125 to buffer pressure through elastic deformation after contacting the electrode. It is understood that the elastic element 126 is connected to the housing or motor mounting structure of the rotary motor 122, but not to the output end of the rotary motor 122, allowing the housing 125 and the cutter 123 to move relative to each other in the vertical direction. After the positioning surface 1251 of the housing 125 contacts the electrode, the cutter 123 can still move towards the electrode to achieve the cutting action. Optionally, the elastic element 126 can be a spring or a rubber pad, and its elastic coefficient can be selected according to the cutting pressure requirements.

[0094] In practical applications, the first lifting structure 121 drives the housing 125, the rotary motor 122, and the cutter 123 to move downwards together. The positioning surface 1251 of the housing 125 first abuts against the electrode surface to form a stable support and perform initial positioning. At this time, the cutter 123 continues to move downwards under the drive of the first lifting structure 121, passing through the opening of the positioning surface 1251. The elastic element 126 undergoes compression deformation when the housing 125 is pressed, absorbing the impact load generated during the downward pressing of the rotary motor 122, so that the contact pressure between the cutter 123 and the electrode remains uniform. At the same time, the cutter 123 rotates and cuts the electrode under the drive of the rotary motor 122. When the cutting is almost completed, the first adsorption component 130 forms a negative pressure in the cutter cavity 124 to adsorb and fix the cut electrode sample. The first lifting structure 121 drives the housing 125, the rotary motor 122, the cutter 123, and the electrode sample to move upwards to detach from the electrode to be tested, and under the action of the moving mechanism 500, the electrode sample is transferred to the appearance inspection mechanism 200.

[0095] In this embodiment, the positioning surface 1251 of the housing 125 is in direct contact with the electrode to be tested, providing a stable cutting reference for the cutter 123 and reducing cutting position offset. The elastic element 126 buffers and evenly distributes the cutting pressure, avoiding uneven cutting pressure. This design improves the cutting quality, provides a reliable sample for subsequent testing, and thus effectively improves the accuracy of the test results.

[0096] Please see Figure 3 In one embodiment of this application, when the elastic member 126 is in a free state, the positioning surface 1251 is located below the lower surface of the cutter 123.

[0097] This configuration ensures that when the cutting assembly 120 moves downward to the electrode, the positioning surface 1251 of the housing 125 contacts the electrode surface before the cutter 123. After the housing 125 and the support plate 110 provide stable support and limit for the electrode, the cutter 123 moves downward to contact the electrode and performs the cutting action. This avoids cutting deviation caused by undulations on the electrode surface or equipment vibration, thereby improving cutting accuracy and quality.

[0098] Please see Figure 1 , Figure 2 and Figure 4 In one embodiment of this application, the moving mechanism 500 includes a first moving component 510 and a second moving component 520. The sampling mechanism 100 is installed on the first moving component 510, and the first moving component 510 is configured to move the sampling mechanism 100 to the appearance inspection mechanism 200. The second moving component 520 is disposed on one side of the first moving component 510, and the second moving component 520 is configured to move the electrode sample at the appearance inspection mechanism 200 to the weighing mechanism 300 and to move the electrode sample at the weighing mechanism 300 to the moisture content detection mechanism 400.

[0099] The first moving component 510 drives the sampling mechanism 100 to reciprocate between the cutting position and the appearance inspection mechanism 200. After the sampling mechanism 100 acquires an electrode sample of a preset shape, the first moving component 510 moves the sampling mechanism 100 and the electrode sample to the appearance inspection mechanism 200 and releases them. The first moving component 510 then moves the sampling mechanism 100 back to the cutting position for the next cutting and sampling operation, repeating this cycle to achieve automatic material acquisition and transfer to the appearance inspection area. Optionally, the first moving component 510 can be a linear moving component or a curved moving component, etc. The first moving component 510 can be a screw and nut combination structure, a linear guide slider structure, or a robotic arm structure, etc.

[0100] The second moving component 520 is used to move between the appearance inspection mechanism 200, the weighing mechanism 300, and the moisture content detection mechanism 400. After the appearance inspection of the electrode sample is completed, the second moving component 520 moves the electrode sample to the weighing mechanism 300 for weighing. After the weighing is completed, the second moving component 520 moves the electrode sample to the moisture content weighing mechanism 300 for moisture content detection. Then, the second moving component 520 moves back to the appearance inspection mechanism 200 for the next transfer action, and so on, realizing the functions of automatic appearance inspection, automatic weighing, automatic moisture content detection, and automatic transfer of the electrode sample at each inspection station. Optionally, the second moving component 520 can be a linear moving component or a curved moving component, etc. The second moving component 520 can be a screw and nut combination structure, a linear guide slider structure, or a robotic arm structure, etc.

[0101] In this embodiment, by setting up a first moving component 510 and a second moving component 520 that are independent of each other, the first moving component 510 is used to pick up the material and transfer the electrode sample to the detection position, and the second moving component 520 is used to move the electrode sample between different detection positions, so that sampling and detection can be carried out simultaneously. This avoids the waiting time caused by the frequent back-and-forth movement of a single moving component in the traditional solution, improves the work cycle, and improves the detection efficiency.

[0102] Please see Figure 1 and Figure 2 In one embodiment of this application, the first moving component 510 includes a first guide rail 511 and a first displacement module 512. The first guide rail 511 extends along a first direction, and the first displacement module 512 can reciprocate along the first guide rail 511. The sampling mechanism 100 is disposed on the first displacement module 512.

[0103] In this embodiment, the first guide rail 511 is a linear guide rail, and the first displacement module 512 is a slider structure that is slidably mounted on the first guide rail 511. The first guide rail 511 extends along the first direction, so the first displacement module 512 can move back and forth in the first direction, thereby driving the sampling mechanism 100 to move back and forth in the first direction, so as to move the sampling mechanism 100 to the appearance inspection mechanism 200 to complete the transfer of the electrode sample.

[0104] Please see Figure 1 , Figure 4 and Figure 5In one embodiment of this application, the second moving component 520 includes a second guide rail 521, a second displacement module 522, a second lifting structure 523, and a second adsorption component 524. The second guide rail 521 extends along the arrangement direction of the appearance inspection mechanism 200, the weighing mechanism 300, and the moisture content detection mechanism 400. The second displacement module 522 can reciprocate along the second guide rail 521. The second lifting structure 523 is disposed on the second displacement module 522. The second adsorption component 524 is disposed on the second lifting structure 523 and is configured to adsorb or release the electrode sample.

[0105] In this embodiment, the second guide rail 521 is a linear guide rail, and the second displacement module 522 is a slider structure slidably mounted on the second guide rail 521. The second guide rail 521 extends along the arrangement direction of the appearance inspection mechanism 200, the weighing mechanism 300, and the moisture content detection mechanism 400, so the second displacement module 522 can reciprocate along the arrangement direction of the appearance inspection mechanism 200, the weighing mechanism 300, and the moisture content detection mechanism 400. The second displacement module 522 is provided with a second lifting structure 523, and the second lifting structure 523 is provided with a second adsorption component 524. The second adsorption component 524 can adsorb or release the electrode sample, thereby enabling the electrode sample to be transferred between the appearance inspection mechanism 200, the weighing mechanism 300, and the moisture content detection mechanism 400. Optionally, the second lifting structure 523 can be driven by a cylinder or a motor; the second adsorption component 524 can be implemented by a vacuum suction cup or a chuck, etc.

[0106] In practical applications, the appearance inspection mechanism 200, the weighing mechanism 300, and the moisture content inspection mechanism 400 can be arranged at intervals along the first direction, with the second guide rail 521 extending along the first direction. As can be seen from the aforementioned embodiments, both the first guide rail 511 and the second guide rail 521 extend along the first direction, allowing the first moving component 510 and the second moving component 520 to be arranged side-by-side along the first direction in spatial layout, with their movement trajectories not overlapping. This arrangement makes the layout of each inspection station more regular and rational. The first moving component 510 and the second moving component 520 only need to perform linear reciprocating motion to complete sample transfer, reducing the operating distance and further improving overall efficiency.

[0107] Please see Figure 4 and Figure 5 In one embodiment of this application, at least two second displacement modules 522 are provided on the second guide rail 521, and each second displacement module 522 is provided with a second lifting structure 523 and a second adsorption component 524.

[0108] In this embodiment, the extension direction of the second guide rail 521 covers the arrangement path of the appearance inspection mechanism 200, the weighing mechanism 300, and the moisture content detection mechanism 400. By setting at least two second displacement modules 522 on the second guide rail 521, each second displacement module 522 can move independently along the second guide rail 521. Each second displacement module 522 is provided with a second lifting structure 523 and a second adsorption component 524, so that each second displacement module 522 can independently transfer the electrode sample. Optionally, a second displacement module 522 can be set between every two adjacent detection stations. When the first second displacement module 522 drives the second adsorption component 524 to transfer the electrode sample that has completed the appearance inspection to the weighing mechanism 300, the next second displacement module 522 can simultaneously transfer the weighed electrode sample to the moisture content detection mechanism 400. This can further improve the working cycle, save waiting and turnaround time, and improve detection efficiency.

[0109] As an example, the second guide rail 521 is provided with three second displacement modules 522.

[0110] Please see Figure 4 and Figure 5 In one embodiment of this application, the electrode detection device further includes a collection box 600, which is located on the side of the moisture content detection mechanism 400 away from the weighing mechanism 300.

[0111] In this embodiment, the collection box 600 is a box structure with a receiving cavity for collecting the electrode samples after testing. Optionally, the collection box 600 can be a rectangular collection box 600, a circular collection box 600, or a collection box 600 of other shapes. The collection box 600 is located on the side of the moisture content detection mechanism 400 away from the weighing mechanism 300, so that the installation position of the collection box 600 is aligned with the movement trajectory of the moving mechanism 500. This position can be located on the extension line of the end of the moisture content detection mechanism 400, making the movement trajectory of the moving mechanism 500 a straight line, resulting in a more regular overall layout, shortening the operating distance of the moving mechanism 500, and further improving overall efficiency.

[0112] Optionally, the electrode testing device also includes a frame 800, on which the appearance inspection mechanism 200, the weighing mechanism 300, the moisture content testing mechanism 400, and the collection box 600 are all mounted. The second moving component 520 is mounted on the frame 800 and is located above the appearance inspection mechanism 200, the weighing mechanism 300, and the moisture content testing mechanism 400.

[0113] Please see Figure 4 and Figure 5 In one embodiment of this application, the electrode detection device further includes a defective product box 700, which is disposed on one side of the appearance inspection mechanism 200.

[0114] In this embodiment, the defective product box 700 is a box structure with a receiving cavity, used to collect electrode samples that do not meet appearance requirements. Optionally, the defective product box 700 can be a rectangular collection box 600, a circular collection box 600, or a collection box 600 of other shapes. The defective product box 700 is located on one side of the appearance inspection mechanism 200, shortening the distance between the appearance inspection mechanism 200 and the defective product box 700, making it easier to collect electrode samples that do not meet appearance requirements, and shortening the operating distance of the moving mechanism 500. Optionally, the defective product box 700 can be located on the side of the appearance inspection mechanism 200 away from the weighing mechanism 300, so that the extension direction of the second guide rail 521 can cover the arrangement path of the defective product box 700, the appearance inspection mechanism 200, the weighing mechanism 300, the moisture content detection mechanism 400, and the collection box 600, making the overall movement trajectory of the moving mechanism 500 a straight line, further improving overall efficiency.

[0115] In practical applications, the moving mechanism 500 first transfers the cut electrode samples to the appearance inspection mechanism 200 for appearance inspection. When defects are detected in the size, surface, or shape of the electrode sample, the moving mechanism 500 transfers the defective electrode sample to the defective product box 700 for storage, and then obtains the next electrode sample for the next inspection. When the appearance of the electrode sample meets the requirements, the moving mechanism 500 sequentially transfers the compliant electrode samples to the weighing mechanism 300 and the moisture content mechanism for weight and moisture content testing. This design ensures the quality of the electrode samples tested subsequently and improves the accuracy of the test data.

[0116] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An electrode testing device, characterized in that, include: The sampling mechanism is configured to obtain an electrode sample of a preset shape from the electrode to be tested; The appearance inspection agency is configured to perform appearance inspection on electrode samples; The weighing mechanism is configured to weigh the electrode sample. The moisture content testing facility is configured to test the moisture content of electrode samples. as well as The moving mechanism is configured to move the electrode sample obtained by the sampling mechanism to the appearance inspection mechanism, and / or move the electrode sample at the appearance inspection mechanism to the weighing mechanism, and / or move the electrode sample at the weighing mechanism to the moisture content detection mechanism. The sampling mechanism, the appearance inspection mechanism, the weighing mechanism, and the moisture content detection mechanism are arranged sequentially along a first direction; the moving mechanism is configured to reciprocate along the first direction.

2. The electrode testing device as described in claim 1, characterized in that, The sampling mechanism includes: The support plate is configured to support the electrode to be tested; A cutting assembly, mounted on the moving mechanism and movably positioned above the support plate, is configured to cut electrode samples of a preset shape from the electrode to be tested; and The first adsorption component is connected to the cutting component and is configured to adsorb the electrode sample cut off by the cutting component.

3. The electrode testing device as described in claim 2, characterized in that, The cutting assembly includes: A first lifting structure is installed on the moving mechanism; A rotary motor is installed on the first lifting structure; and The cutter, driven and connected to the rotary motor, is configured to rotary cut the electrode to be tested; the cutter has a cutter cavity, and the first adsorption component is connected to the cutter cavity to form a negative pressure in the cutter cavity.

4. The electrode testing device as described in claim 3, characterized in that, The cutting assembly also includes: A housing, fitted over the cutter, has a positioning surface for abutting against the electrode to be tested, and the positioning surface has an opening through which the cutter passes; and An elastic element that elastically connects the housing to the rotary motor.

5. The electrode testing device as described in claim 4, characterized in that, In the free state of the elastic element, the positioning surface is located below the lower surface of the cutter.

6. The electrode testing device according to any one of claims 1 to 5, characterized in that, The moving mechanism includes: A first movable component, wherein the sampling mechanism is mounted on the first movable component, and the first movable component is configured to move the sampling mechanism to the appearance inspection mechanism; and A second moving component is disposed on one side of the first moving component. The second moving component is configured to move the electrode sample at the appearance inspection mechanism to the weighing mechanism and to move the electrode sample at the weighing mechanism to the moisture content inspection mechanism.

7. The electrode testing device as described in claim 6, characterized in that, The first moving component includes a first guide rail and a first displacement module. The first guide rail extends along a first direction, and the first displacement module can reciprocate along the first guide rail. The sampling mechanism is disposed on the first displacement module.

8. The electrode testing device as described in claim 6, characterized in that, The second moving component includes: The second guide rail and the second displacement module are provided. The second guide rail extends along the arrangement direction of the appearance inspection mechanism, the weighing mechanism and the moisture content detection mechanism. The second displacement module can reciprocate along the second guide rail. The second lifting structure is located in the second displacement module; and The second adsorption component, located in the second lifting structure, is configured to adsorb or release the electrode sample.

9. The electrode testing device as described in claim 8, characterized in that, The second guide rail is provided with at least two second displacement modules, and each second displacement module is provided with a second lifting structure and a second adsorption component.

10. The electrode testing device according to any one of claims 1 to 5, characterized in that, The electrode testing device also includes a collection box, which is located on the side of the moisture content testing mechanism away from the weighing mechanism. And / or, the electrode inspection device further includes a defective product box, which is located on one side of the appearance inspection mechanism.

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