Guide rail lifting-based battery cell conveying system and battery production line

Abstract

The utility model discloses a kind of based on guide rail lifting's electric core conveying system and battery production line, belong to battery production technical field.Electric core conveying system includes pedestal, guide rail, electric core fixture and lifting device, guide rail is located in pedestal, guide rail includes lifting section;Electric core fixture is used to load electric core, electric core fixture is connected with guide rail and can slide along guide rail;Lifting device includes lifting platform and drive assembly;Wherein, lifting section is connected to lifting platform, drive assembly is configured as can drive lifting platform, to drive lifting section and the electric core fixture sliding to lifting section relative to pedestal lifting.The utility model simplifies the structure of electric core fixture, reduces the manufacturing cost of electric core fixture, also reduce the weight of electric core fixture, to reduce the energy consumption required for conveying system drive electric core fixture to move, simultaneously also reduce the configuration quantity of lifting assembly, further reduce the manufacturing cost and maintenance cost of entire conveying system.

Description

Technical Field

[0001] This utility model relates to the field of battery production technology, and in particular to a cell conveying system and battery production line based on guide rail lifting. Background Technology

[0002] In automated battery production technology, to achieve large-scale and high-efficiency production, battery cells are typically placed on cell fixtures and driven by automated conveying systems to move between various processing stations. However, due to differences in the structure and function of the processing equipment at each station, the processing heights at each station also vary. To address this, related technologies equip each movable cell fixture with a lifting mechanism. However, this not only complicates the structure of the cell fixtures but also increases their weight and the energy consumption of the conveying system. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a battery cell conveying system based on guide rail lifting, which can adapt to different working heights of various processing stations and simplifies the structure of the battery cell fixture.

[0004] This utility model also proposes a battery production line that includes the above-mentioned cell conveying system based on guide rail lifting.

[0005] According to a first aspect of the present invention, a battery cell conveying system based on guide rail lifting includes: a base, a guide rail, a battery cell fixture, and a lifting device. The guide rail is disposed on the base and includes a lifting section. The battery cell fixture is used to load battery cells and is connected to the guide rail and can slide along the guide rail. The lifting device includes a lifting platform and a drive assembly. The lifting section is connected to the lifting platform, and the drive assembly is configured to drive the lifting platform to move the lifting section and the battery cell fixture sliding to the lifting section relative to the base.

[0006] The battery cell delivery system based on guide rail lifting according to the embodiments of the present invention has at least the following beneficial effects: The battery cell conveying system based on guide rail lifting in this embodiment of the invention sets up an independent lifting section in the guide rail and places the lifting section on the lifting platform. When the battery cell fixture slides to the lifting section, the drive component can lift the lifting platform, the lifting section, and the battery cell fixture, thereby raising the battery cell fixture to the height required for the processing station, achieving precise lifting and positioning of the battery cell. By separating the lifting function from the moving battery cell fixture, not only is the structure of the battery cell fixture simplified and the manufacturing cost of the battery cell fixture reduced, but the weight of the battery cell fixture is also reduced, thereby reducing the energy consumption required for the conveying system to drive the battery cell fixture to move. At the same time, the number of lifting components is reduced, further reducing the manufacturing and maintenance costs of the entire conveying system, and improving the reliability of the battery cell conveying system.

[0007] According to some embodiments of the present invention, the lifting platform includes a main body and a platform. The main body is disposed on one side of the base and is movably connected to the base. The platform protrudes toward the base and is formed on the main body. The platform is located on the upper side of the base. The lifting section is disposed on the platform. The driving component is connected to the main body. According to some embodiments of the present invention, the main body and the base are connected by a guide assembly, the guide assembly including a slider and a slide rail, the slide rail extending along the height direction of the base, one of the slider and the slide rail being disposed on the main body and the other being disposed on the base, and the slider being slidably mounted on the slide rail.

[0008] According to some embodiments of the present invention, at least two guide components are provided, and the at least two guide components are spaced apart along the extension direction of the lifting section. Each guide component has at least two sliders, and the at least two sliders are arranged sequentially on the main body along the extension direction of the slide rail. At least two slide rails are provided on the side wall of the base, and each slide rail extends along the height direction of the base. According to some embodiments of the present invention, the driving assembly includes a driver and a connecting shaft. The driver is located on the lower side of the main body, and the main body has a first clearance groove with an opening facing downward. One end of the connecting shaft is connected to the driver, and the other end passes through the first clearance groove and is connected to the main body. According to some embodiments of the present invention, the drive assembly further includes a connector, the connector including a reinforcing part and a connecting part connected to each other, the reinforcing part extending axially along the connecting shaft and sleeved on the outer periphery of the connecting shaft, the bottom wall of the first clearance groove being recessed upward to form a second clearance groove matching the reinforcing part, the reinforcing part passing through the second clearance groove, the connecting shaft being connected to the bottom wall of the second clearance groove, and the connecting part extending radially along the connecting shaft and being connected to the bottom wall of the first clearance groove. According to some embodiments of the present invention, the cell delivery system further includes a sensing device configured to detect the relative displacement between the lifting platform and the base. According to some embodiments of the present invention, the sensing device includes a reading head and a magnetic strip, one of which is disposed on the lifting platform and the other is disposed on the base, and the reading head is configured to sense the magnetic field signal of the magnetic strip. According to some embodiments of the present invention, the battery cell fixture includes a support base, a battery cell pressing component, and a tab-gathering pressing component. The support base is slidably connected to the guide rail. The battery cell pressing component is vertically mounted on the support base for pressing the battery cell. The tab-gathering pressing component is vertically mounted on the support base and located above the battery cell pressing component for pressing the multi-layer tabs of the battery cell. According to some embodiments of the present invention, the lower side of the support base is provided with at least one slide, at least one transmission member and at least two rollers, the transmission member is movably connected to a magnetic drive block, at least one slide is slidably mounted on the guide rail, and each transmission member passes between two rollers.

[0009] According to a second aspect of the present invention, a battery production line includes at least one cell conveying system based on guide rail lifting as described in the first aspect embodiment.

[0010] The battery production line according to the embodiments of this utility model has at least the following beneficial effects: The battery production line of this utility model adopts the cell conveying system based on guide rail lifting according to the first aspect embodiment. By separating the lifting function from the moving cell fixture, not only is the structure of the cell fixture simplified and the manufacturing cost of the cell fixture reduced, but the weight of the cell fixture is also reduced, thereby reducing the energy consumption required by the battery production line. At the same time, the number of lifting components is reduced, further reducing the manufacturing and maintenance costs of the battery production line, and improving the reliability of the battery production line.

[0011] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 This is a schematic diagram of the structure of a battery cell conveying system based on guide rail lifting according to an embodiment of the present invention; Figure 2 This is a top view of a guide rail according to an embodiment of the present invention; Figure 3This is a schematic diagram of the structure of a lifting device according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the lifting section after it has been raised according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of a battery cell fixture according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the assembly between the transmission component and the roller in one embodiment of the present invention.

[0013] Icon labels: Base 100; Guide rail 200; Conveying section 210; Lifting section 220; 300; 310; 320; 330; 340; 350; 360; Lifting device 400; lifting platform 410; main body 411; first clearance groove 4111; second clearance groove 4112; platform 412; drive assembly 420; driver 421; connecting shaft 422; connector 423; reinforcing part 4231; connecting part 4232; Guide assembly 500; slider 510; slide rail 520; Sensing device 600; Reader head 610; Magnetic strip 620. Detailed Implementation

[0014] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0015] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0016] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0017] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0018] On automated battery cell production lines, different processing stations (such as welding stations and inspection stations) have different equipment structures, so the required operating heights for each station are often not uniform. To accommodate these height differences, traditional battery cell fixtures integrate an independent lifting mechanism.

[0019] However, each battery cell fixture needs to be equipped with components such as motors, transmissions, and controls. On the one hand, this increases the manufacturing and maintenance costs of each battery cell fixture and makes the structure of the battery cell fixture more complex. On the other hand, the increased weight of the fixture itself will lead to an increase in the drive load and energy consumption of the entire conveying system.

[0020] Therefore, some embodiments of this utility model propose a cell conveying system based on guide rail lifting, suitable for battery production lines. It can adapt to different working heights at various processing stations and simplifies the structure of the cell fixture 300. See details below. Figures 1 to 6 The diagram illustrates a cell delivery system based on guide rail lifting.

[0021] Reference Figure 1 As shown in this embodiment of the utility model, the battery cell conveying system includes: a base 100, a guide rail 200, a battery cell fixture 300, and a lifting device 400. The base 100 refers to the basic frame supporting the guide rail 200 and the lifting device 400, and can be formed by welding steel structures. The guide rail 200 is located on the base 100 and combined with… Figure 2 It is understood that in this embodiment, the guide rail 200 is a segmented track design. Specifically, the guide rail 200 includes a conveying section 210 and a lifting section 220. The lifting section 220 refers to the track section that can move vertically relative to the conveying section 210. When the conveying section 210 and the lifting section 220 are connected, a complete track power supply core fixture 300 can be formed along it.

[0022] In this embodiment of the invention, the cell fixture 300 serves as a movable carrier for mounting the cell. The cell fixture 300 is connected to the guide rail 200 and can slide along the guide rail 200. In this embodiment, the bottom of the cell fixture 300 can slide in engagement with the guide rail 200. (See reference...) Figure 3As shown in the embodiment of this utility model, the lifting device 400 includes a lifting platform 410 and a drive assembly 420, wherein the lifting section 220 is connected to the lifting platform 410, and the lifting platform 410 is constructed as a load-bearing structure capable of supporting the lifting section 220. The drive assembly 420 is a power mechanism that drives the lifting platform 410 to move, for example, a linear drive method using a servo motor and a ball screw can be adopted.

[0023] Combination Figure 1 and Figure 4 It is understood that in this embodiment of the invention, the drive component 420 is configured to drive the lifting platform 410 to raise and lower the lifting section 220 and the cell fixture 300 sliding to the lifting section 220 relative to the base 100. Specifically, when the cell fixture 300 moves along the conveying section 210 to the area of ​​the lifting section 220, the drive component 420 drives the lifting section 220 to move vertically via the lifting platform 410. For example, when it is necessary to lift the cell to a higher work position, the drive component 420 causes the lifting platform 410 to raise the lifting section 220, at which time the cell fixture 300 located in the lifting section 220 is simultaneously raised, aligning its loading surface with the height of the target work position. During this process, the cell fixture 300 does not need a built-in lifting mechanism; height adjustment can be completed simply by the overall lifting of the guide rail 200 section.

[0024] It is understood that the battery cell conveying system based on guide rail lifting in this embodiment of the present invention sets an independent lifting section 220 in the guide rail 200 and sets the lifting section 220 on the lifting platform 410. When the battery cell fixture 300 slides to the lifting section 220, the drive component 420 can lift the lifting platform 410, the lifting section 220 and the battery cell fixture 300, so that the battery cell fixture 300 can rise to the height required by the processing station, thereby realizing the precise lifting and positioning of the battery cell. By separating the lifting function from the moving battery cell fixture 300, not only is the structure of the battery cell fixture 300 simplified and the manufacturing cost of the battery cell fixture 300 reduced, but the weight of the battery cell fixture 300 is also reduced, thereby reducing the energy consumption required for the conveying system to drive the battery cell fixture 300 to move. At the same time, the number of lifting components is also reduced, further reducing the manufacturing cost and maintenance cost of the entire conveying system, and improving the reliability of the battery cell conveying system.

[0025] Reference Figure 1 and Figure 2As shown in this embodiment of the invention, the lifting platform 410 includes a main body 411 and a platform 412. The main body 411 is a supporting structure that carries the platform 412 and the lifting section 220. Specifically, it can be implemented using a metal frame or rigid sheet metal, and is used to transmit the power of the drive assembly 420 and maintain the positional stability of the lifting section 220. The main body 411 is located on one side of the base 100 in the lateral direction and is movably connected to the base 100, extending along the height direction of the base 100. Under the driving action of the drive assembly 420, the main body 411 can move up and down relative to the base 100.

[0026] Reference Figure 3 and Figure 4 As shown, in this embodiment of the present invention, the platform 412 protrudes toward the base 100 and is formed on the main body 411. The platform 412 is located on the upper side of the base 100. Specifically, the platform 412 is disposed on the top of the base 100 and extends toward the base 100 in a horizontal direction. In one example, the main body 411 and the platform 412 are integrally formed, the lifting section 220 is disposed on the platform 412, and the driving component 420 is connected to the main body 411. Specifically, the main body 411 is mounted on the side of the base 100 via a movable connection. The platform 412 extends horizontally from the main body 411 above the base 100 to form a cantilever structure, and the lifting section 220 is fixed to the upper surface of the platform 412. The drive component 420 directly acts on the main body 411 through power output, driving the main body 411 to move along the height direction of the base 100, thereby causing the platform 412 and the lifting section 220 to rise and fall synchronously. After the battery cell fixture 300 slides along the guide rail 200 to the lifting section 220, it completes the height adjustment together with the lifting section 220, without relying on its own lifting mechanism.

[0027] Continue to refer to Figure 3 and Figure 4 As shown, in this embodiment of the invention, the main body 411 and the base 100 are connected by a guide assembly 500. The guide assembly 500 is a mechanical structure used to limit the movement trajectory of the lifting platform 410. Specifically, the guide assembly 500 includes a slider 510 and a slide rail 520. The slider 510 and the slide rail 520 are connected to form a sliding pair. The slide rail 520 extends along the height direction of the base 100. Based on this, the sliding pair ensures that the lifting platform 410 moves only in the vertical direction. In this embodiment, one of the slider 510 and the slide rail 520 is located on the main body 411, and the other is located on the base 100. In one example, the slider 510 is located on the main body 411, and the slide rail 520 is located on the base 100; in another example, the slide rail 520 is located on the main body 411, and the slider 510 is located on the base 100.

[0028] Furthermore, referring to Figure 4As shown in the embodiment of this utility model, at least two guide components 500 are provided. The at least two guide components 500 are spaced apart along the extension direction of the lifting section 220. Specifically, they can be arranged in a symmetrical layout or at equal intervals. By distributing the load through multi-point support, the deviation caused by uneven force during the lifting process can be avoided.

[0029] Each guide assembly 500 has at least two sliders 510, and these at least two sliders 510 are arranged sequentially on the main body 411 along the extension direction of the slide rail 520. In other words, multiple sliders 510 in the same guide assembly 500 are arranged along the length of the slide rail 520, specifically in a linear array. This increases the number of contact points, improving the stability of the sliding process and reducing the risk of single-point wear. (Continue to refer to...) Figure 4 As shown, in this embodiment, at least two slide rails 520 are provided on the side wall of the base 100, and each slide rail 520 extends along the height direction of the base 100.

[0030] Specifically, the base 100 has two or more sets of slide rails 520 installed on its sidewalls. The slide rails 520 extend vertically, and the lifting platform 410 body 411 has two or more sets of sliders 510 installed accordingly. The sliders 510 are embedded in the slide rails 520 to form a sliding fit. Each set of slide rails 520 corresponds to two or more sliders 510, which are arranged at intervals along the extension direction of the slide rails 520. For example, the base 100 has one slide rail 520 on each of its left and right sides, and the lifting platform 410 body 411 has two sets of sliders 510 installed on its left and right sides respectively. Each set contains two sliders 510 arranged vertically along the slide rails 520. When the drive assembly 420 drives the lifting platform 410 to rise or fall, the fit between the slide rails 520 and the sliders 510 restricts the horizontal displacement of the lifting platform 410. The distribution of multiple sets of guide assemblies 500 and multiple sliders 510 further disperses the motion load, ensuring that the lifting platform 410 moves smoothly in the vertical direction and avoiding shaking or jamming caused by center of gravity shift or external interference.

[0031] Reference Figure 3As shown, in this embodiment of the present invention, the drive assembly 420 includes a driver 421 and a connecting shaft 422. The driver 421 is located on the lower side of the main body 411 and refers to a power output device, which can be implemented using a servo motor or a hydraulic cylinder, to provide lifting driving force for the lifting platform 410. The connecting shaft 422 is a transmission component, which can be implemented using a rigid metal rod or a gear shaft, to transmit the power of the driver 421 to the main body 411 of the lifting platform 410. In this embodiment, the main body 411 has a first clearance groove 4111 with an opening facing downward as a structural clearance space, which can be implemented by opening a U-shaped groove or a rectangular groove at the bottom of the main body 411, to provide an installation path for the connecting shaft 422 and avoid interference with the base 100. One end of the connecting shaft 422 is connected to the driver 421, and the other end passes through the first clearance groove 4111 and is connected to the main body 411. Specifically, continue to refer to Figure 3 As shown, the driver 421 is installed on the lower side of the main body 411 of the lifting platform 410, and is rigidly connected to the main body 411 via a connecting shaft 422 passing through a first clearance groove 4111 opened at the bottom of the main body 411. When the driver 421 is started, its output end drives the connecting shaft 422 to move in the vertical direction, thereby driving the main body 411 of the lifting platform 410 and the lifting section 220 of the guide rail 200 fixed on it to move synchronously. The opening direction of the first clearance groove 4111 is consistent with the movement direction of the connecting shaft 422, so that the connecting shaft 422 is always in the groove space during the lifting process, avoiding collision with the base 100 or other components.

[0032] Continue to refer to Figure 3 As shown in the embodiment of this utility model, the drive assembly 420 further includes a connector 423. The connector 423 includes a reinforcing part 4231 and a connecting part 4232 that are connected to each other. The reinforcing part 4231 extends axially along the connecting shaft 422 and is sleeved on the outer periphery of the connecting shaft 422. It can be understood that the reinforcing part 4231 refers to a sleeve structure extending axially along the connecting shaft 422. Specifically, it can be implemented by using a metal ring or an injection-molded reinforcing sleeve. It is sleeved on the outer periphery of the connecting shaft 422 to enhance the structural strength of the connecting shaft 422 and prevent the connecting shaft 422 from bending and deforming during the drive process.

[0033] Continue to refer to Figure 3As shown, in this embodiment of the present invention, the bottom wall of the first clearance groove 4111 is recessed upward to form a second clearance groove 4112 that matches the reinforcing part 4231, and the reinforcing part 4231 passes through the second clearance groove 4112. Specifically, the shape of the second clearance groove 4112 matches the reinforcing part 4231 to achieve the embedding of the reinforcing part 4231, thereby limiting the radial displacement of the reinforcing part 4231 along the connecting shaft 422. The connecting shaft 422 is connected to the bottom wall of the second clearance groove 4112, and the connecting part 4232 extends radially along the connecting shaft 422 and is connected to the bottom wall of the first clearance groove 4111. In this embodiment, the connecting part 4232 refers to a plate-like structure extending radially from the reinforcing part 4231, which can be connected to the bottom wall of the first clearance groove 4111 by welding or bolting, and is used to fix the connecting part 423 as a whole in the clearance groove of the lifting platform 410 to prevent the connecting part 423 from loosening during the driving process.

[0034] Specifically, when the driver 421 drives the lifting platform 410 via the connecting shaft 422, the reinforcing part 4231, sleeved on the outer periphery of the connecting shaft 422, can distribute the radial load on the bearing, preventing deformation of the connecting shaft 422 due to single-point force. Simultaneously, after the reinforcing part 4231 is embedded in the second clearance groove 4112, its contact surface with the groove wall can share some of the shear force, reducing stress concentration at the connection between the connecting shaft 422 and the lifting platform 410. The connecting part 4232 is fixed to the bottom wall of the first clearance groove 4111 via a radially extending plate-like structure, further limiting the swaying of the connecting part 423 during lifting and ensuring the connection stability between the drive assembly 420 and the lifting platform 410.

[0035] In this embodiment of the invention, the cell delivery system further includes a sensing device 600, which is configured to detect the relative displacement between the lifting platform 410 and the base 100. The sensing device 600 is a detection unit used to monitor positional changes between the lifting platform 410 and the base 100, and can be implemented using a non-contact sensor, such as a magnetic induction sensor or a photoelectric sensor. By acquiring displacement signals in real time, it is possible to determine whether the lifting platform 410 is within a predetermined stroke range, thus preventing cell delivery jams due to positional deviations.

[0036] Specifically, refer to Figure 3As shown in this embodiment of the invention, the sensing device 600 includes a reading head 610 and a magnetic strip 620. One of the reading head 610 and the magnetic strip 620 is disposed on the lifting platform 410, and the other is disposed on the base 100. The reading head 610 is configured to sense the magnetic field signal of the magnetic strip 620. The reading head 610 refers to a sensing component for receiving magnetic field signals, which can be implemented using a Hall sensor or a magnetoresistive element. By detecting changes in the magnetic field strength of the magnetic strip 620, the displacement can be converted into an electrical signal output. The magnetic strip 620 refers to a magnetic element with regularly arranged magnetic poles, which can be implemented using a permanent magnet array or a magnetic coding strip. Its magnetic field signal exhibits periodic characteristics as the position changes, thereby providing a recognizable displacement reference for the reading head 610.

[0037] In one example, the sensing device 600 mounts a reading head 610 and a magnetic strip 620 on a lifting platform 410 and a base 100, respectively. When the lifting platform 410 rises or falls relative to the base 100, a relative displacement occurs between the reading head 610 and the magnetic strip 620. Because the magnetic field distribution of the magnetic strip 620 has a spatial regularity, the reading head 610 can calculate the actual displacement value based on the change in the magnetic field signal. For example, when the magnetic strip 620 adopts an alternating structure of equally spaced N and S poles, each magnetic pole switch detected by the reading head 610 corresponds to a fixed displacement, thereby achieving displacement measurement by counting the number of magnetic pole switches. Thus, the real-time position information of the lifting platform 410 is fed back to the control system, ensuring that the battery cell fixture 300 is precisely matched to the target workstation height during the lifting process.

[0038] Reference Figure 5 As shown in this embodiment of the invention, the battery cell fixture 300 includes a support base 310, a battery cell pressing component 320, and a tab-gathering pressing component 330. The support base 310 is slidably connected to the guide rail 200. Specifically, the support base 310 is the basic structure supporting the battery cell and can be implemented using a metal frame or composite material. Its bottom is provided with a slide rail 520 interface to achieve a slidable connection with the guide rail 200. The battery cell pressing component 320 is vertically mounted on the support base 310 and is used to press the battery cell. The battery cell pressing component 320 can apply vertical pressure, specifically using a cylinder-driven plate structure, applying fixed pressure to the battery cell body 411 through lifting and lowering motion. The tab-gathering pressing component 330 is vertically mounted on the support base 310 and located above the battery cell pressing component 320, used to press the multi-layer tabs of the battery cell. The tab-gathering pressing component 330 is a dedicated pressing device for battery cell tabs. Specifically, it can be achieved by using a pressing plate with a toothed structure in conjunction with a linear drive module, which flattens and aligns the multi-layer tabs through independent lifting and lowering actions.

[0039] Reference Figure 5 and Figure 6As shown in this embodiment of the invention, the support base 310 has at least one slide 340, at least one transmission member 350, and at least two rollers 360 on its lower side. At least one slide 340 is slidably mounted on the guide rail 200, and each transmission member 350 passes between two rollers 360. The slide 340 is a component for sliding connection with the guide rail 200, and the rollers 360 are rotating components used to reduce friction. Rolling contact reduces the sliding friction resistance between the slide 340 and the guide rail 200, thereby improving conveying efficiency and reducing wear.

[0040] For ease of description, the following description will be based on the example of one slide 340, one transmission component 350, and two rollers 360.

[0041] Combination Figure 5 and Figure 6 It is understood that the transmission component 350 is movably connected to a magnetic drive component. Under the influence of magnetic force, the magnetic drive component moves along the track of the magnetic levitation line. The movable connection between the transmission component 350 and the magnetic drive component facilitates the installation and disassembly of the battery cell fixture 300. The slide 340 is designed to pass through the guide rail 200 of the magnetic levitation line. The magnetic drive component can drive the transmission component 350 to move, thereby moving the entire battery cell fixture 300 along the guide rail 200, achieving smooth transfer of the battery cell. Specifically, the transmission component 350 is T-shaped and stably connected to the bottom of the battery cell fixture 300 by screws or other fasteners.

[0042] In this embodiment of the invention, a specific magnetic field distribution exists around the track of the magnetic levitation line. The magnetic drive block is designed to interact with this magnetic field. The magnetic drive block is equivalent to a mover. According to the principle of electromagnetic induction or the principle of magnetic interaction between permanent magnets, when the magnetic field changes or a specific magnetic field gradient exists, the magnetic drive block will be driven by the magnetic force and move along the track of the magnetic levitation line. Both the magnetic drive block and the magnetic levitation line are existing technologies, and their structures will not be described in detail or shown here.

[0043] In this embodiment of the invention, the magnetic drive component includes two rollers 360, and a transmission component 350 is movably disposed between the two rollers 360. The assembly and disassembly of the battery cell fixture 300 can be achieved by inserting or removing the transmission component 350 between the two rollers 360. The contact between the rollers 360 and the transmission component 350 is rolling friction. Compared to sliding friction, rolling friction has lower frictional force, which can reduce energy loss and wear during transmission and improve the turnover efficiency of the battery cell fixture 300.

[0044] An embodiment of this utility model also proposes a battery production line, including at least one of the above-described cell conveying systems based on guide rail lifting.

[0045] The battery production line of this utility model adopts the cell conveying system based on guide rail lifting described in the above embodiment. By separating the lifting function from the moving cell fixture 300, the structure of the cell fixture 300 is simplified, the manufacturing cost of the cell fixture 300 is reduced, and the weight of the cell fixture 300 is also reduced, thereby reducing the energy consumption required by the battery production line. At the same time, the number of lifting components is reduced, further reducing the manufacturing and maintenance costs of the battery production line, and improving the reliability of the battery production line.

[0046] Since the battery production line adopts all the technical solutions of the cell conveying system based on guide rail lifting in the above embodiments, it has at least all the beneficial effects brought about by the technical solutions in the above embodiments, which will not be repeated here.

[0047] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A battery cell conveying system based on guide rail lifting, characterized in that, include: Base (100); A guide rail (200) is provided on the base (100), and the guide rail (200) includes a lifting section (220). A battery cell fixture (300) is used to load battery cells. The battery cell fixture (300) is connected to the guide rail (200) and can slide along the guide rail (200). The lifting device (400) includes a lifting platform (410) and a drive assembly (420). The lifting section (220) is connected to the lifting platform (410), and the drive assembly (420) is configured to drive the lifting platform (410) to lift the lifting section (220) and the cell fixture (300) sliding to the lifting section (220) relative to the base (100).

2. The battery cell conveying system based on guide rail lifting according to claim 1, characterized in that, The lifting platform (410) includes a main body (411) and a platform (412). The main body (411) is located on one side of the base (100) and is movably connected to the base (100). The platform (412) protrudes toward the base (100) and is formed on the main body (411). The platform (412) is located on the upper side of the base (100). The lifting section (220) is located on the platform (412). The drive assembly (420) is connected to the main body (411).

3. The cell conveying system based on guide rail lifting according to claim 2, characterized in that, The main body (411) and the base (100) are connected by a guide assembly (500). The guide assembly (500) includes a slider (510) and a slide rail (520). The slide rail (520) extends along the height direction of the base (100). One of the slider (510) and the slide rail (520) is located on the main body (411) and the other is located on the base (100). The slider (510) is slidably mounted on the slide rail (520).

4. The cell conveying system based on guide rail lifting according to claim 3, characterized in that, At least two guide components (500) are provided, and the at least two guide components (500) are spaced apart along the extension direction of the lifting section (220). Each guide component (500) has at least two sliders (510). The at least two sliders (510) are arranged sequentially on the main body (411) along the extension direction of the slide rail (520). At least two slide rails (520) are provided on the side wall of the base (100), and each slide rail (520) extends along the height direction of the base (100).

5. The cell conveying system based on guide rail lifting according to claim 2, characterized in that, The drive assembly (420) includes a driver (421) and a connecting shaft (422). The driver (421) is located on the lower side of the main body (411). The main body (411) has a first clearance groove (4111) with its opening facing downward. One end of the connecting shaft (422) is connected to the driver (421), and the other end passes through the first clearance groove (4111) and is connected to the main body (411).

6. The cell conveying system based on guide rail lifting according to claim 5, characterized in that, The drive assembly (420) further includes a connector (423), which includes a reinforcing part (4231) and a connecting part (4232) connected to each other. The reinforcing part (4231) extends axially along the connecting shaft (422) and is sleeved on the outer periphery of the connecting shaft (422). The bottom wall of the first clearance groove (4111) is recessed upward to form a second clearance groove (4112) that matches the reinforcing part (4231). The reinforcing part (4231) passes through the second clearance groove (4112). The connecting shaft (422) is connected to the bottom wall of the second clearance groove (4112). The connecting part (4232) extends radially along the connecting shaft (422) and is connected to the bottom wall of the first clearance groove (4111).

7. The battery cell conveying system based on guide rail lifting according to claim 1, characterized in that, The cell delivery system also includes a sensing device (600) configured to detect the relative displacement of the lifting platform (410) and the base (100).

8. The battery cell conveying system based on guide rail lifting according to claim 7, characterized in that, The sensing device (600) includes a reading head (610) and a magnetic strip (620), one of which is located on the lifting platform (410) and the other is located on the base (100). The reading head (610) is configured to sense the magnetic field signal of the magnetic strip (620).

9. The battery cell conveying system based on guide rail lifting according to claim 1, characterized in that, The battery cell fixture (300) includes a support base (310), a battery cell pressing component (320), and a tab-gathering pressing component (330). The support base (310) is slidably connected to the guide rail (200). The battery cell pressing component (320) is vertically mounted on the support base (310) and is used to press the battery cell. The tab-gathering pressing component (330) is vertically mounted on the support base (310) and located on the upper side of the battery cell pressing component (320) and is used to press the multi-layer tabs of the battery cell.

10. The cell conveying system based on guide rail lifting according to claim 9, characterized in that, The support base (310) is provided with at least one slide (340), at least one transmission component (350) and at least two rollers (360) on its lower side. The transmission component (350) is movably connected to a magnetic drive block. At least one slide (340) is slidably mounted on the guide rail (200). Each transmission component (350) passes between two rollers (360).

11. A battery production line, characterized in that, It includes at least one battery cell delivery system based on rail lifting as described in any one of claims 1 to 10.

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