Pulling structure and battery production testing device

Abstract

The application relates to the technical field of battery production testing, and discloses a pulling structure and a battery production testing device, wherein the pulling structure comprises two pulling structure guide rails and a sliding support, the sliding support comprises a first section bar, a second section bar and two sliding pieces, the two sliding pieces are one-to-one correspondingly arranged on the two pulling structure guide rails, the first section bar and the second section bar are both located between the two sliding pieces, the end faces of the first section bar and the second section bar towards the sliding pieces are both provided with a plurality of connecting holes, the first section bar is spliced with the two sliding pieces respectively, and the second section bar is spliced with the two sliding pieces respectively; and the first horizontal direction is perpendicular to the second horizontal direction. In the application, the first section bar, the second section bar and the two sliding pieces are spliced to form a sliding support, a relatively complex and expensive welding process is no longer needed, the production and manufacturing cost of the sliding support can be reduced, assembly is simple, and the production efficiency of the sliding support can be improved.

Description

Technical Field

[0001] This application relates to the field of battery production testing technology, and in particular to a pull-out structure and battery production testing equipment. Background Technology

[0002] Battery production and testing equipment technology is a crucial component of the battery industry, encompassing the entire production process from raw material processing to finished battery assembly. This process includes several key technological steps, such as capacity assessment and formation, with the capacity assessment and formation process being the most critical. The formation process aims to activate the chemically active materials in the positive and negative electrodes of the battery, ensuring stable electrochemical reaction capabilities. The capacity assessment process, on the other hand, classifies the activated batteries by capacity to meet the needs of different application scenarios.

[0003] In existing technologies, the probe assembly is mounted on a sliding bracket, which is slidably connected to the fixed bracket of the formation and capacity testing equipment. This allows the probe assembly to slide relative to the fixed bracket, facilitating its maintenance. However, the sliding bracket not only needs to be compatible with the size and shape of the probe assembly but also needs to have a certain load-bearing capacity. Current sliding brackets for mounting the probe assembly are welded frames formed by welding multiple metal parts. However, welding is costly, and the welds are prone to breakage. This not only increases the overall cost of the formation and capacity testing equipment but also increases the risk of breakage under heavy loads, causing the probe assembly to fall and be damaged. Utility Model Content

[0004] This application discloses a pull-out structure that can form a sliding bracket by splicing a first profile, a second profile, and two sliding parts. It eliminates the need for a complex and expensive welding process, reduces the production cost of the sliding bracket, and simplifies assembly, thereby improving the production efficiency of the sliding bracket.

[0005] To achieve the above objectives, according to an embodiment of the first aspect of this application, a pull-out structure is provided, comprising: two pull-out structure guide rails, wherein the two pull-out structure guide rails are spaced apart along a first horizontal direction;

[0006] A sliding bracket includes a first profile, a second profile, and two sliding members. The two sliding members are spaced apart along a first horizontal direction and are slidably mounted on two pull-out structure guide rails in a one-to-one correspondence. The first profile and the second profile are spaced apart along a second horizontal direction and are both located between the two sliding members. The end face of the first profile facing the sliding member and the end face of the second profile facing the sliding member are each provided with a plurality of connecting holes. The connecting holes of the first profile penetrate the first profile along its length direction and are integrally formed with the first profile. The connecting holes of the second profile penetrate the second profile along its length direction and are integrally formed with the second profile. Each connecting hole is used to connect a fastener. The first profile is spliced ​​with the two sliding members respectively by the fasteners, and the second profile is spliced ​​with the two sliding members respectively by the fasteners.

[0007] Wherein, the first horizontal direction is perpendicular to the second horizontal direction.

[0008] As an optional implementation, both the bottom surface of the first profile and the bottom surface of the second profile have guide rail mounting grooves, which are used to mount probe assembly guide rails.

[0009] Wherein, the guide rail mounting groove of the first profile extends through the first profile along the length direction of the first profile and is integrally formed with the first profile, and the guide rail mounting groove of the second profile extends through the second profile along the length direction of the second profile and is integrally formed with the second profile.

[0010] As an optional implementation, the guide rail mounting groove of the first profile includes:

[0011] The groove includes a nut receiving cavity and a bolt receiving cavity. The nut receiving cavity is used to receive a nut, and the bolt receiving cavity intersects with and communicates with the nut receiving cavity. The bolt receiving cavity is used to receive a bolt.

[0012] An abutment portion is disposed in the nut receiving cavity, the abutment portion is used to abut the nut, the nut is screwed to the bolt, and the bolt is used to connect the probe assembly guide rail.

[0013] As an optional implementation, the top surface of the first profile has a mounting groove that extends through the first profile along its length and is integrally formed with the first profile.

[0014] The pull-out structure includes a limiting member installed in the mounting groove. The limiting member is used to abut against an external structure to prevent the sliding bracket from disengaging from the pull-out structure guide rail.

[0015] As an optional implementation, along the first horizontal direction, the first profile has a first side and a second side disposed opposite to each other, with the second side facing the second profile;

[0016] The first profile has a ruler mounting groove on its first side, which extends through the first profile along its length and is integrally formed with the first profile. The ruler mounting groove is used to mount a ruler. The first profile has a rack mounting groove on its second side, which extends through the first profile along its length and is integrally formed with the first profile. The rack mounting groove is used to mount a rack.

[0017] As an optional implementation, a boss is provided on the second side of the first profile. The boss is integrally formed with the first profile. The boss protrudes along the second horizontal direction, and the rack mounting groove is provided on the surface of the boss that is perpendicular to the first horizontal direction.

[0018] As an optional implementation, the boss of the first profile has a supporting step located on the surface of the boss along its width direction, the supporting step being integrally formed with the boss, and the top surface of the supporting step being used to place the rack.

[0019] As an optional implementation, both the surface of the first profile and the surface of the second profile are provided with multiple spare slots;

[0020] The spare groove on the first profile extends through the first profile along its length and is integrally formed with the first profile; the spare groove on the second profile extends through the second profile along its length and is integrally formed with the second profile.

[0021] As an alternative implementation, both the first profile and the second profile are manufactured by rolling, extrusion or casting processes.

[0022] According to an embodiment of the second aspect of this application, a battery production testing device is provided, including the aforementioned pull-out structure.

[0023] Compared with the prior art, the beneficial effects of this application are:

[0024] The pull-out structure provided in this application includes a sliding bracket, which includes a first profile, a second profile, and two sliding parts. The connecting holes on the first profile and the connecting holes on the second profile are integrally formed with the corresponding profiles and are connected to fasteners through the connecting holes. The two sliding parts, the first profile, and the second profile are spliced ​​and fixed together by fasteners to form the sliding bracket. This eliminates the need for a relatively complex and expensive welding process, which can reduce the production cost of the sliding bracket. Moreover, the assembly is simple and can improve the production efficiency of the sliding bracket. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the structure of some of the battery production testing equipment disclosed in the embodiments of this application;

[0027] Figure 2 This is a schematic diagram of the structure of a portion of the battery production testing equipment disclosed in another embodiment of this application;

[0028] Figure 3 This is a schematic diagram of a portion of the battery production testing equipment disclosed in an embodiment of this application;

[0029] Figure 4 This is a schematic diagram of a portion of the battery production testing equipment disclosed in an embodiment of this application from another perspective.

[0030] Figure 5 This is a schematic diagram of the structure of the first profile disclosed in the embodiments of this application;

[0031] Figure 6 This is a schematic diagram of the structure of the first profile disclosed in the embodiments of this application from another perspective;

[0032] Figure 7 The embodiments disclosed in this application Figure 6 Enlarged structural diagram at point A;

[0033] Figure 8 This is a schematic diagram of the cross-sectional structure of the sliding bracket disclosed in the embodiments of this application.

[0034] Explanation of reference numerals in the attached figures:

[0035] 100-Sliding bracket; 10-First profile; 101-First side; 102-Second side; 11-Boss; 12-Support step; 20-Second profile; 30-Sliding part; 40-Connecting hole; 50-Guide rail mounting groove; 51-First groove; 52-Second groove; 53-Third groove; 54-Cavity; 541-Nut receiving cavity; 542-Bolt receiving cavity; 55-Abutting part; 60-Mounting groove; 70-Limiting part; 80-Scale mounting groove; 90-Rack mounting groove; 110-Spare groove; 200-Probe assembly guide rail; 300-Probe assembly; 310-Pointer; 400-Rack; 500-Pressure block; 510-Fixing part; 520-Snap-fit ​​part; 600-Scale; 700-Pull-out structure guide rail; a-First horizontal direction; b-Second horizontal direction. Detailed Implementation

[0036] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0037] In this application, the terms "upper," "lower," "top," "bottom," "inner," "vertical," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0038] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0039] Furthermore, the terms "set up," "equipped with," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0040] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0041] Battery production and testing equipment technology is a crucial component of the battery industry, encompassing the entire production process from raw material processing to finished battery assembly. This process includes several key technological steps, such as capacity assessment and formation, with the capacity assessment and formation process being the most critical. The formation process aims to activate the chemically active materials in the positive and negative electrodes of the battery, ensuring stable electrochemical reaction capabilities. The capacity assessment process, on the other hand, classifies the activated batteries by capacity to meet the needs of different application scenarios.

[0042] In existing technologies, the probe assembly is mounted on a sliding bracket, which is slidably connected to the fixed bracket of the formation and capacity testing equipment. This allows the probe assembly to slide relative to the fixed bracket, facilitating its maintenance. However, the sliding bracket not only needs to be compatible with the size and shape of the probe assembly but also needs to have a certain load-bearing capacity. Current sliding brackets for mounting the probe assembly are welded frames formed by welding multiple metal parts. However, welding is costly, and the welds are prone to breakage. This not only increases the overall cost of the formation and capacity testing equipment but also increases the risk of breakage under heavy loads, causing the probe assembly to fall and be damaged.

[0043] The four plates can be joined together to form a sliding bracket by bolting. However, the process of joining the plates with bolts requires machining and drilling to provide a connection structure for the bolts. Drilling increases the production steps of the sliding bracket, making its manufacturing and installation more complicated and reducing its production efficiency.

[0044] Based on this, the present application provides a pull-out structure that can not only form a sliding bracket by splicing, reducing welding processes and increasing the strength of the sliding bracket, thus avoiding the breakage of the weld when the probe assembly is supported by the welding frame, which would cause the probe assembly to fall and be damaged, but also reduce machining and drilling processes by integrally forming the connecting hole with the corresponding profile, making the manufacturing and installation of the sliding bracket simpler and improving the production efficiency of the sliding bracket.

[0045] The following will combine the embodiments and Figures 1-8 The technical solution of this application will be further explained.

[0046] Please see Figure 1 and Figure 2 , Figure 1This is a schematic diagram of the structure of some of the battery production testing equipment disclosed in the embodiments of this application. Figure 2 This is a schematic diagram of the structure of a partial battery production testing device from another perspective of an embodiment of this application. This application discloses a pull-out structure, including two pull-out structure guide rails 700 and a sliding bracket 100. The two pull-out structure guide rails 700 are spaced apart along a first horizontal direction a. The sliding bracket 100 includes a first profile 10, a second profile 20, and two sliding members 30. The two sliding members 30 are spaced apart along the first horizontal direction a and are slidably mounted on the two pull-out structure guide rails 700 in a one-to-one correspondence. The first profile 10 and the second profile 20 are spaced apart along a second horizontal direction b, and both the first profile 10 and the second profile 20 are located between the two sliding members 30. The end face of the first profile 10 faces the sliding member 30. Both the first profile 10 and the second profile 20 have multiple connecting holes 40 on their end faces facing the sliding member 30. The connecting holes 40 of the first profile 10 penetrate the first profile 10 along its length and are integrally formed with the first profile 10. The connecting holes 40 of the second profile 20 penetrate the second profile 20 along its length and are integrally formed with the second profile 20. Each connecting hole 40 is used to connect fasteners. The first profile 10 is spliced ​​with two sliding members 30 respectively by fasteners, and the second profile 20 is spliced ​​with two sliding members 30 respectively by fasteners. The first horizontal direction a is perpendicular to the second horizontal direction b.

[0047] Specifically, battery production testing equipment plays a crucial role in lithium battery production. It not only activates the chemical properties of the battery but also ensures the consistency and performance of the battery through precise testing and sorting. Battery production testing equipment includes formation and capacity testing equipment, DCIR (Direct Current Internal Resistance) equipment, and OCV (Open Circuit Voltage) equipment. The battery production testing equipment may include a fixed bracket (not shown in the figure), a pull-out structure rail 700, a sliding bracket 100, and a probe assembly 300. The fixed bracket is the entire frame of the battery production testing equipment. The pull-out structure rail 700 is fixedly mounted on the fixed bracket. Two pull-out structure rails 700 are spaced apart on the fixed bracket along the first horizontal direction a. The sliding bracket 100 is slidably mounted on the pull-out structure rail 700. The probe assembly 300 is mounted on the sliding bracket 100. The two sliding members 30 of the sliding bracket 100 are also arranged opposite to each other along the first horizontal direction a, and one sliding member 30 is arranged on a pull-out structure guide rail 700 and is slidably connected to the pull-out structure guide rail 700 to realize the sliding connection between the sliding bracket 100 and the pull-out structure guide rail 700.

[0048] The first profile 10 and the two sliding parts 30 are connected by fasteners, and the second profile 20 and the two sliding parts 30 are also connected by fasteners. This eliminates the need for complex and expensive welding processes. Welding assembly requires welding equipment such as welding machines, welding wire, and welding rods, which are costly to purchase and maintain, and require professional operators. Purchasing a pre-made welding frame is also expensive. The sliding bracket 100 provided in this embodiment has a relatively simple structure, with connections between components achieved through fasteners, eliminating the need for welding. This also reduces maintenance costs due to corrosion and fatigue at the welded areas, and avoids stress concentration and corrosion issues at the welded areas that could damage the welding frame and cause the probe assembly 300 to fall off. Therefore, the sliding bracket 100 provided in this embodiment, with its frame structure formed by the first profile 10, the second profile 20, and the two sliding parts 30, not only reduces production costs but also improves production efficiency, achieving cost reduction and efficiency improvement. Moreover, through the reasonable layout of the four sides and the splicing connection of fasteners, a stable spatial frame structure can be formed, which can effectively resist the influence of external forces such as vibration and impact during equipment operation, and ensure the normal operation of the equipment.

[0049] The sliding member 30 is provided with a through hole at the position corresponding to the connecting hole 40, so that the fastener can pass through, and the first profile 10 and the two sliding members 30 can be spliced ​​together by the fastener, and the second profile 20 and the two sliding members 30 can be spliced ​​together by the fastener.

[0050] The number of connecting holes 40 can be multiple. The connecting holes 40 are located on the end faces of the first profile 10 facing the two sliding members 30, and on the end faces of the second profile 20 facing the two sliding members 30. The two sliding members 30 are respectively spliced ​​with the first profile 10 and the second profile 20 through the cooperation of fasteners with the connecting holes 40. The connecting holes 40 on the first profile 10 are integrally formed with the first profile 10, and the connecting holes 40 on the second profile 20 are integrally formed with the second profile 20. The first profile 10 and the second profile 20 can be aluminum profiles, which can have a certain strength and rigidity while having a low weight. The first profile 10 and the second profile 20 can be manufactured by molds, designed into the required shape and integrally formed. The first profile 10 and the second profile 20 can be formed by processes such as rolling, extrusion, or casting. The connection hole 40 structure is reserved during mold opening, so that the connection hole 40 is integrally formed with the corresponding first profile 10 and second profile 20. Compared with setting a machined aluminum part, which requires drilling to cooperate with the fastener, so that the machined aluminum part can connect the two sliding parts 30 to form a frame structure through the fastener, the embodiment of this application can reduce the drilling process, making the manufacturing of the sliding bracket 100 simpler and improving the production efficiency of the sliding bracket 100.

[0051] The fastener can be a connecting bolt, and the connecting hole 40 can be threaded. The connecting bolt is threaded to the connecting hole 40 to assemble and fix the first profile 10, the second profile 20 and the two sliding parts 30 to form a stable sliding bracket 100, which drives the probe assembly 300 to perform a pulling motion in the two pull-out structure guide rails 700.

[0052] According to the pull-out structure of this utility model embodiment, the first profile 10, the second profile 20, and the two sliding members 30 are spliced ​​together by fasteners to form a frame structure, which constitutes the sliding bracket 100. That is, the entire sliding bracket 100 is spliced ​​and fixed by fasteners. Compared with the welding frame used in the prior art, the embodiment of this application does not require a complex and expensive welding process, which not only simplifies the manufacturing process but also reduces production costs. Moreover, both the first profile 10 and the second profile 20 have multiple integrally formed connecting holes 40. The fasteners cooperate with the connecting holes 40 to splice the first profile 10, the second profile 20, and the two sliding members 30. There is no need to add a drilling process for the connection and fixation of the fasteners, which can reduce the production steps of the sliding bracket 100 and improve the production efficiency of the sliding bracket 100.

[0053] Combination Figure 3 , Figure 3 This is a schematic diagram of a portion of the battery production testing equipment disclosed in an embodiment of this application. In some embodiments, the bottom surface of the first profile 10 and the bottom surface of the second profile 20 both have guide rail mounting grooves 50, which are used to mount probe assembly guide rails 200; wherein, the guide rail mounting groove 50 of the first profile 10 extends through the first profile 10 along its length direction and is integrally formed with the first profile 10, and the guide rail mounting groove 50 of the second profile 20 extends through the second profile 20 along its length direction and is integrally formed with the second profile 20.

[0054] Specifically, the probe assembly guide rail 200 can be in the form of a linear guide rail or a sliding guide rail. Taking a linear guide rail as an example, it includes a guide rail body and a sliding block. The cross-sectional shape of the guide rail body matches that of the sliding block. The guide rail body is installed in the guide rail mounting groove 50, and the sliding block is slidably connected to the guide rail body and connected to the probe assembly 300. The probe assembly 300 slides along the probe assembly guide rail 200 by being mounted on the sliding block. In addition, limiting devices can be provided at both ends of the probe assembly guide rail 200 to prevent the probe assembly from sliding excessively or falling off during the sliding change of position. The limiting device can be a stop or a threaded plug fixed to the end of the probe assembly guide rail 200. The stop or threaded plug can be disassembled so that the probe assembly 300 can be removed from the probe assembly guide rail 200 when needed. The guide rail mounting groove 50 can be in the shape of a "T" shaped groove or a "cross" shaped groove. When manufacturing the first profile 10 and the second profile 20 through extrusion molding, the guide rail mounting groove 50 can be formed simultaneously, making the guide rail mounting groove 50 integrally formed with the first profile 10 or the second profile 20. For example, by using aluminum alloy material and extruding with a mold, the guide rail mounting groove 50 can be integrally formed with the profile body, ensuring the structural tightness between the guide rail mounting groove 50 and the corresponding first profile 10 and second profile 20. This allows the first profile 10 and the second profile 20 to withstand greater tensile and compressive forces, thereby enhancing the stability of the entire pull-out structure. This ensures that the probe assembly guide rail 200 will not loosen or deform during use, guaranteeing the precise sliding of the probe assembly 300. Furthermore, it eliminates the need for special machining to manufacture the guide rail mounting groove 50, simplifying the production process of the sliding bracket 100 and improving its production efficiency.

[0055] Combination Figure 6 and Figure 7 , Figure 6 This is a structural schematic diagram of the first profile 10 disclosed in an embodiment of this application from another perspective. Figure 7 The embodiments disclosed in this application Figure 6Enlarged structural schematic diagram at point A. In some embodiments, the guide rail mounting groove 50 of the first profile 10 includes: a first groove 51, a second groove 52, a third groove 53 (not shown in the figure), a groove cavity 54, and an abutment portion 55. The first groove 51 penetrates the bottom surface of the first profile 10; the second groove 52 is adjacent to the first groove 51 and penetrates the end face of the first profile 10 perpendicular to the first horizontal direction a; the third groove 53 is adjacent to the first groove 51 and penetrates the other end face of the first profile 10 perpendicular to the first horizontal direction a; the groove cavity 54 includes a nut housing. The nut receiving cavity 541 and the bolt receiving cavity 542 are respectively connected to the first slot 51, the second slot 52 and the third slot 53. The nut receiving cavity 541 is used to accommodate the nut. The bolt receiving cavity 542 is connected to the first slot 51. The bolt receiving cavity 542 and the nut receiving cavity 541 intersect and are connected. The bolt receiving cavity 542 is used to accommodate the bolt. The abutting part 55 is provided in the nut receiving cavity 541. The abutting part 55 is used to abut the nut. The nut and the bolt are screwed together. The bolt is used to connect the probe assembly guide rail 200.

[0056] Specifically, the guide rail mounting groove 50 can be a cross-shaped groove. The second groove 52 and the third groove 53 penetrate the two end faces of the first profile 10, allowing the nut to enter the nut receiving cavity 541 from the second groove 52 or the third groove 53. The bolt can pass through the first groove 51, enter the bolt receiving cavity 542, and be screwed onto the nut. Since the nut abuts against the abutment part 55 in the extension direction of the bolt, it can prevent the nut from coming out of the first groove 51. The end of the bolt facing away from the nut can be connected to the component to be fixed, such as connecting the probe assembly guide rail 200, which can be fixedly installed in the guide rail mounting groove 50. This connection method facilitates installation and disassembly by operators. Only simple tools, such as wrenches, are needed to tighten and loosen the bolts, improving the efficiency of assembly and disassembly. Additionally, a spring washer can be placed inside the nut receiving cavity 541. The spring washer is located between the nut and the abutment portion 55. When the bolt is screwed in and connected to the nut, the spring washer is compressed by the nut and the abutment portion 55, generating elastic force, increasing the friction of the threads between the bolt and nut, and preventing the nut from loosening. It is worth noting that, as... Figure 5 As shown, Figure 5 Although the third slot 53 is not shown, it is indicated by an arc line. Figure 5 The rear end face of the first profile 10.

[0057] Combination Figure 3 , Figure 3This is a schematic diagram of a portion of the battery production testing equipment disclosed in an embodiment of this application. In some embodiments, the top surface of the first profile 10 has a mounting groove 60, which extends through the first profile 10 along its length and is integrally formed with the first profile 10; the pull-out structure includes a limiting member 70, which is installed in the mounting groove 60 and is used to abut against an external structure to prevent the sliding bracket 100 from disengaging from the pull-out structure guide rail 700.

[0058] Specifically, both the first profile 10 and the second profile 20 can be provided with mounting grooves 60. The limiting member 70 can be located on either the first profile 10 or the second profile 20. The mounting groove 60 can be a cross-shaped groove integrally formed with the first profile 10. The limiting member 70 can be an L-shaped metal block or plastic part with protrusions or clips. The limiting member 70 is installed in the mounting groove 60 using bolts and nuts. The limiting member 70 can be a metal block, made of steel or aluminum alloy, with a galvanized or anodized surface to improve corrosion resistance. During the movement of the sliding bracket 100 along the pull-out structure guide rail 700, when the sliding bracket 100 reaches its limit position on the pull-out structure guide rail 700, one end of the limiting member 70 can abut against the external structure to prevent the sliding bracket 100 from continuing to slide, thus preventing the sliding bracket 100 from detaching from the pull-out structure guide rail 700 and avoiding injury to operators due to incorrect operation. This improves the safety and reliability of the pull-out structure. Additionally, a buffer structure, such as a rubber block or spring, can be added to the end of the limiting member 70 that abuts against the external structure to reduce the impact force and extend the service life of the limiting member 70 and the external structure. The external structure can be part of the fixed bracket of the battery production testing equipment, used to cooperate with the limiting member 70 to limit the sliding bracket 100.

[0059] Combination Figure 3 and Figure 4 , Figure 4 This is a schematic diagram of a portion of the battery production testing equipment disclosed in an embodiment of this application from another perspective. In some embodiments, along a first horizontal direction a, a first profile 10 has a first side 101 and a second side 102 disposed opposite to each other, with the second side 102 facing the second profile 20; wherein, the first side 101 of the first profile 10 has a scale mounting groove 80, which penetrates the first profile 10 along its length direction and is integrally formed with the first profile 10, and is used to mount a scale 600; the second side 102 of the first profile 10 has a rack mounting groove 90, which penetrates the first profile 10 along its length direction and is integrally formed with the first profile 10, and is used to mount a rack 400.

[0060] Specifically, both the rack mounting slot 90 and the scale mounting slot 80 can be "T" shaped slots, allowing the corresponding scale 600 or rack 400 to be installed using nuts and screws. Both the rack mounting slot 90 and the scale mounting slot 80 are integrally formed with the corresponding first profile 10. That is, when the first profile 10 is extruded by a mold, the rack mounting slot 90 and the scale mounting slot 80 are integrally formed with the profile body, ensuring the structural tightness between the rack mounting slot 90 and the scale mounting slot 80 and the first profile 10. This enhances the stability of the entire pull-out structure, ensuring the stability of the installation structure of the rack 400 and the scale 600. Furthermore, there is no need for special machining to manufacture the rack mounting slot 90 and the scale mounting slot 80, which simplifies the production process of the sliding bracket 100 and improves the production efficiency of the sliding bracket 100.

[0061] Combination Figure 4 and Figure 5 , Figure 5 This is a schematic diagram of the structure of the first profile 10 disclosed in an embodiment of this application. In some embodiments, a boss 11 is provided on the second side 102 of the first profile 10. The boss 11 is integrally formed with the first profile 10. The boss 11 protrudes along the second horizontal direction b, and a rack mounting groove 90 is provided on the surface of the boss 11 that is perpendicular to the first horizontal direction a.

[0062] Specifically, the boss 11 is integrally formed with the corresponding first profile 10. That is, when the first profile 10 is extruded by a mold, the boss 11 is integrally formed with the profile body. The boss 11 is a part of the first profile 10, ensuring the structural tightness between the boss 11 and the first profile 10, thereby enhancing the stability of the entire sliding bracket 100. Moreover, there is no need to add a special process to manufacture the boss 11 and connect the boss 11 with the first profile 10, which simplifies the production process of the first profile 10 and improves the production efficiency of the sliding bracket 100. The boss 11 can increase the thickness of the corresponding position of the first profile 10, giving the corresponding position higher strength. The rack mounting groove 90 profile is formed on the boss 11, which can provide additional support and positioning functions for the rack mounting groove 90, making the position of the rack mounting groove 90 more accurate and stable, while increasing the strength and rigidity of the rack 400 installation.

[0063] Combination Figure 6 and Figure 7 In some embodiments, the boss 11 of the first profile 10 has a support step 12 located on the surface of the boss 11 along its width direction. The support step 12 is integrally formed with the boss 11, and the top surface of the support step 12 is used to place the rack 400.

[0064] Specifically, the support step 12 is integrally formed with the corresponding first profile 10 on the surface of the boss 11 along its width direction. That is, when the first profile 10 is extruded by a mold, the boss 11 is integrally formed with the profile body, and the support step 12 is integrally formed with the boss 11 and the profile body. The support step 12 is part of the boss 11, and the boss 11 is part of the first profile 10, ensuring the structural tightness between the boss 11 and the first profile 10, thereby enhancing the stability of the entire sliding bracket 100. Moreover, there is no need to add a special process to manufacture the support step 12 to connect the support step 12 with the first profile 10, which simplifies the production process of the first profile 10 and improves the production efficiency of the sliding bracket 100. The support step 12 provides support for the rack 400. While the rack 400 is installed into the rack mounting slot 90 via bolts and nuts, the support step 12 is located at the bottom of the rack 400. The upper surface of the support step 12 contacts the lower surface of the rack 400, supporting the rack 400 and reducing the impact of gravity on it. It also prevents excessive force when the pressure block 500 engages with the rack 400, thus avoiding downward pressure on the rack 400. The support step 12 provides a stable support platform for the rack 400, ensuring it does not tilt or shift during installation and use, thus improving the installation accuracy and stability of the rack 400. It is worth noting that... Figure 7 The dashed lines in the diagram represent the boundary lines of the bolt receiving groove and the support step 12. These are only for auxiliary observation and to facilitate understanding of the components, and do not exist in the actual structure.

[0065] Combination Figure 8 , Figure 8 This is a cross-sectional structural diagram of the sliding bracket 100 disclosed in an embodiment of this application. In some embodiments, a plurality of spare grooves 110 are provided on the surface of the first profile 10 and the surface of the second profile 20; wherein, the spare grooves 110 on the first profile 10 penetrate the first profile 10 along the length direction of the first profile 10 and are integrally formed with the first profile 10, and the spare grooves 110 on the second profile 20 penetrate the second profile 20 along the length direction of the second profile 20 and are integrally formed with the second profile 20.

[0066] Specifically, the spare slot 110 can be a "T" shaped slot, which can be used with nuts and screws to install other components, making it convenient to disassemble and assemble components when adding or removing functional components. In addition, the spare slot 110 can also reduce the weight of the first profile 10 and the second profile 20, which is beneficial to the weight reduction design of the sliding bracket 100, making the sliding bracket 100 easier to pull out and convenient for the sliding bracket 100 to pull out.

[0067] In some embodiments, the first profile 10 is at least one of a rolled part, an extruded part, or a casting; and / or, the second profile 20 is at least one of a rolled part, an extruded part, or a casting.

[0068] Specifically, the first profile 10 and the second profile 20 can be manufactured by rolling, extrusion or casting processes. The first profile 10 and the second profile 20 can be aluminum profiles. The aluminum profiles can be extruded by a mold. During the extrusion process, various structures on the aluminum profile, such as the connecting hole 40, the guide rail mounting groove 50, the mounting groove 60, the rack mounting groove 90, the spare groove 110, the boss 11 and the support step 12, are integrally formed with the aluminum profile. No additional drilling, cutting or other machining processes are required. This not only helps to improve the production efficiency of the sliding bracket 100, but also ensures the tightness between the various structures and improves the strength and precision of each structure. It is worth noting that the structures of the first profile 10 and the second profile 20 mentioned above can be identical, both manufactured using a single mold, which can reduce mold costs. The guide rail mounting groove 50, mounting groove 60, rack mounting groove 90, and spare groove 110 mentioned above can be "T" shaped grooves, which can mate with nuts and screws to install other components onto the corresponding first profile 10 or second profile 20; or "cross" shaped grooves, which can mate with nuts and bolts to install other components onto the corresponding first profile 10 or second profile 20. It is worth noting that "T" shaped grooves can also mate with nuts and bolts, and "cross" shaped grooves can also mate with nuts and screws; there are no restrictions here.

[0069] Please see Figure 1 , Figure 2 and Figure 3 This application discloses a battery production testing device, including the aforementioned pull-out structure.

[0070] Specifically, the pull-out structure proposed in this application embodiment is used to install the probe assembly 300, which can drive the probe assembly 300 to slide and pull. The first profile 10 and the second profile 20 in the pull-out structure are engaged with the connecting hole 40 by fasteners, and are respectively spliced ​​with the two sliding parts 30. Compared with the welded sliding bracket 100, it is not only easier to assemble, eliminating the need for welding equipment and welding processes, but also has better strength and will not break at the weld. Moreover, the connecting hole 40 is integrally formed with the corresponding first profile 10 or second profile 20, which not only has better strength, but also improves the accuracy of the connecting hole 40, and can also eliminate the drilling process, thereby reducing processing steps and improving the production efficiency of the pull-out structure.

[0071] Combination Figure 1 , Figure 2 and Figure 3In some embodiments, the battery production testing equipment further includes: two probe assembly guide rails 200, a probe assembly 300, a rack 400, and a pressure block 500. The two probe assembly guide rails 200 are spaced apart along a second horizontal direction b and are respectively disposed at the bottom of the first profile 10 and the bottom of the second profile 20. The probe assembly 300 extends along the second horizontal direction b and is slidably connected to the two probe assembly guide rails 200. The rack 400 is disposed on the first profile 10. The pressure block 500 has a fixing part 510 and a snap-fit ​​part 520. The fixing part 510 is disposed on the probe assembly 300, and the snap-fit ​​part 520 is hinged to the fixing part 510. The snap-fit ​​part 520 can snap-fit ​​with the rack 400 to fix the probe assembly 300, or separate from the rack 400 so that the probe assembly 300 can slide along the first horizontal direction a on the probe assembly guide rails 200.

[0072] Specifically, the probe assembly 300 may include a positive electrode probe assembly 300 and a negative electrode probe assembly 300. A temperature detection probe can be installed on the positive electrode probe assembly 300 to detect the temperature of the battery. Both ends of the probe assembly 300 along its extension direction are slidably connected to two probe assembly guide rails 200, allowing the probe assembly 300 to slide along the sliding direction of the probe assembly guide rails 200, i.e., the first horizontal direction a. This allows the probe assembly 300 to change its position along the first horizontal direction a. After moving to the corresponding position, the probe assembly 300 can be fixed by the engagement of the pressure block 500 with the rack 400. Specifically, the surface of the rack 400 has multiple serrated structures. The engaging part 520 can be inserted into the groove between two adjacent serrated structures. The groove limits the engaging part 520, preventing it from moving along the extension direction of the rack 400. The engaging engagement of the locking part 520 of the pressure block 500 with the rack 400 limits and fixes the probe assembly 300, preventing it from sliding during operation. When adjustment of the probe assembly 300's position is needed, simply lift the locking part 520, allowing it to rotate around the fixing part 510 and disengage from the rack 400, thus releasing the limiting and fixing of the probe assembly 300 and enabling it to slide. This facilitates position adjustment by the operator. A pointer 310 can be installed on the probe assembly 300, pointing to a mark on the scale 600, further facilitating observation and positioning of the probe assembly 300.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A pull-out structure, applied to battery production testing equipment, characterized in that, include: Two pull-out structure guide rails (700) are arranged at intervals along a first horizontal direction (a); A sliding bracket (100) includes a first profile (10), a second profile (20), and two sliding members (30). The two sliding members (30) are spaced apart along the first horizontal direction (a) and are slidably mounted on two pull-out structure guide rails (700) in a one-to-one correspondence. The first profile (10) and the second profile (20) are spaced apart along the second horizontal direction (b), and both the first profile (10) and the second profile (20) are located between the two sliding members (30). The end face of the first profile (10) facing the sliding member (30) and the end face of the second profile (20) facing the sliding member (30) are both... The first profile (10) is provided with multiple connecting holes (40). The connecting holes (40) of the first profile (10) penetrate the first profile (10) along the length direction of the first profile (10) and are integrally formed with the first profile (10). The connecting holes (40) of the second profile (20) penetrate the second profile (20) along the length direction of the second profile (20) and are integrally formed with the second profile (20). Each connecting hole (40) is used to connect fasteners. The first profile (10) is spliced ​​with two sliding members (30) respectively through the fasteners. The second profile (20) is spliced ​​with two sliding members (30) respectively through the fasteners. Wherein, the first horizontal direction (a) is perpendicular to the second horizontal direction (b).

2. The pull-out structure according to claim 1, characterized in that, The bottom surface of the first profile (10) and the bottom surface of the second profile (20) both have guide rail mounting grooves (50), which are used to mount probe assembly guide rails (200); Wherein, the guide rail mounting groove (50) of the first profile (10) passes through the first profile (10) along the length direction of the first profile (10) and is integrally formed with the first profile (10), and the guide rail mounting groove (50) of the second profile (20) passes through the first profile (20) along the length direction of the second profile (20) and is integrally formed with the second profile (20).

3. The pull-out structure according to claim 2, characterized in that... The guide rail mounting groove (50) of the first profile (10) includes: The groove (54) includes a nut receiving cavity (541) and a bolt receiving cavity (542). The nut receiving cavity (541) is used to receive a nut. The bolt receiving cavity (542) intersects with and communicates with the nut receiving cavity (541). The bolt receiving cavity (542) is used to receive a bolt. An abutment portion (55) is disposed in the nut receiving cavity (541), the abutment portion (55) is used to abut the nut, the nut is screwed to the bolt, and the bolt is used to connect the probe assembly guide rail (200).

4. The pull-out structure according to claim 1, characterized in that, The top surface of the first profile (10) has a mounting groove (60), which extends through the first profile (10) along its length and is integrally formed with the first profile (10). The pull-out structure includes a limiting member (70) which is installed in the mounting groove (60). The limiting member (70) is used to abut against the external structure to prevent the sliding bracket (100) from disengaging from the pull-out structure guide rail (700).

5. The pull-out structure according to claim 1, characterized in that, Along the first horizontal direction (a), the first profile (10) has a first side (101) and a second side (102) disposed opposite to each other, the second side (102) facing the second profile (20); The first profile (10) has a ruler mounting groove (80) on its first side surface (101). The ruler mounting groove (80) extends through the first profile (10) along its length and is integrally formed with the first profile (10). The ruler mounting groove (80) is used to mount a ruler (600). The second side surface (102) of the first profile (10) has a rack mounting groove (90). The rack mounting groove (90) extends through the first profile (10) along its length and is integrally formed with the first profile (10). The rack mounting groove (90) is used to mount a rack (400).

6. The pull-out structure according to claim 5, characterized in that, The second side (102) of the first profile (10) is provided with a boss (11), the boss (11) is integrally formed with the first profile (10), the boss (11) protrudes along the second horizontal direction (b), and the rack mounting groove (90) is provided on the surface of the boss (11) that is perpendicular to the first horizontal direction (a).

7. The pull-out structure according to claim 6, characterized in that, The boss (11) of the first profile (10) has a support step (12) located on the surface of the boss (11) along its width direction. The support step (12) is integrally formed with the boss (11), and the top surface of the support step (12) is used to place the rack (400).

8. The pull-out structure according to claim 4, characterized in that, Both the surface of the first profile (10) and the surface of the second profile (20) are provided with a plurality of spare slots (110); The spare groove (110) on the first profile (10) extends through the first profile (10) along its length and is integrally formed with the first profile (10). The spare groove (110) on the second profile (20) extends through the second profile (20) along its length and is integrally formed with the second profile (20).

9. The pull-out structure according to any one of claims 1-8, characterized in that, The first profile (10) is at least one of a rolled part, an extruded part, or a casting; and / or, The second profile (20) is at least one of a rolled part, an extruded part, or a casting.

10. A battery production testing device, characterized in that, include: The pull-out structure as described in any one of claims 1-9.

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