Pole piece roll material transfer device

Abstract

The utility model relates to the field of battery preparation, and discloses a pole piece roll material transfer device, the pole piece roll material comprises a rotating shaft and a pole piece material belt wound on the rotating shaft, the pole piece roll material transfer device comprises a box body assembly, the box body assembly comprises a box body and a door body, and the box body and the door body are encircled to form a sealed cavity; the vacuumizing assembly comprises a pressure gauge and a vacuumizing pipe, and the pressure gauge and the vacuumizing pipe are respectively communicated with the sealing cavity; and the two hanging assemblies are symmetrically arranged on the two corresponding inner side walls of the box body, and the two hanging assemblies are used for hanging and fixing the two ends of the rotating shaft correspondingly. The device has the advantages of being high in sealing performance and compact and small in structure.

Description

Technical Field

[0001] The utility model relates to the field of battery preparation, in particular to a device for transporting a wound electrode sheet. Background Art

[0002] In the production process of lithium-ion batteries and other types of batteries, the preparation and storage of positive and negative electrode sheets are key links. To ensure battery performance and safety, these electrode sheets usually need to be stored in a strictly controlled dry environment after preparation to prevent moisture and oxygen in the air from having an adverse effect on the materials, such as the oxidation of active substances or the hydrolysis of electrolytes, thereby avoiding the decline of battery performance.

[0003] However, in the battery manufacturing process, it is often necessary to transfer the prepared electrode sheets from one workstation to another, especially for long-distance transfer between large production lines or different workshops. This process poses higher requirements for the protection of the electrode sheets. Due to design limitations, traditional electrode sheet transfer devices often have a large volume, which not only occupies valuable production space, but also increases the complexity of the production line layout and reduces operation flexibility. At the same time, the existing transfer devices are not satisfactory in terms of sealing effect. During the transfer process, moisture and impurities in the external environment may penetrate in, resulting in the electrode sheets getting damp or contaminated, seriously affecting the performance and consistency of the battery products. Summary of the Invention

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a device for transporting a wound electrode sheet.

[0005] The purpose of the utility model is achieved by the following technical solutions:

[0006] A device for transporting a wound electrode sheet, wherein the wound electrode sheet includes a rotating shaft and an electrode sheet strip wound around the rotating shaft, and the device comprises:

[0007] A box body assembly, which includes a box body and a door body, and the box body and the door body enclose a sealed cavity;

[0008] A vacuum pumping assembly, which includes a pressure gauge and a vacuum pumping pipe, and the pressure gauge and the vacuum pumping pipe are respectively communicated with the sealed cavity;

[0009] Two hanging assemblies, which are symmetrically arranged on two corresponding inner side walls of the box body, and the two hanging assemblies are respectively used for hanging and fixing both ends of the rotating shaft.

[0010] In one embodiment, each of the suspension components includes a support frame, a material clamping block, a material pressing block and a locking mechanism. The material clamping block is buffer - disposed on the support frame. During use, one end of the rotating shaft is placed between the material clamping block and the material pressing block, and the locking mechanism is used to lock the material pressing block and the material clamping block so that one end of the rotating shaft is fixed between the material clamping block and the material pressing block.

[0011] In one embodiment, the material pressing block includes a movable block, a bending block and a locking block. Two ends of the bending block are respectively connected to the movable block and the locking block. Two ends of the movable block are respectively rotatably connected to the material clamping block and the bending block, and the locking block is tightly connected to the material clamping block through the locking mechanism.

[0012] In one embodiment, the locking mechanism includes a locking screw and a locking nut. The locking nut is screwed onto the locking screw. The bottom of the locking screw is rotatably connected to the material clamping block. The locking block includes a vertical connecting portion and a horizontal locking portion. A U - shaped groove is formed in the horizontal locking portion. During use, the horizontal locking portion is attached to the material clamping block, the locking screw passes through the U - shaped groove, and the locking nut is rotated to tightly connect the horizontal locking portion and the material clamping block.

[0013] In one embodiment, a first groove matching the rotating shaft is provided on the bending block, and a second groove matching the rotating shaft is provided on the material clamping block. During use, the rotating shaft is locked between the first groove and the second groove.

[0014] In one embodiment, buffer pads are provided on the groove surfaces of the first groove and the second groove.

[0015] In one embodiment, the door body is a single - opening sealed door. One side of the door body is rotatably connected to the box body, and the other side of the door body is openably and closably connected to the box body through a quick clamp.

[0016] In one embodiment, casters are respectively provided at four corner ends of the bottom of the box body.

[0017] In one embodiment, lifting rings are respectively provided at four corner ends of the top of the box body.

[0018] In one embodiment, a trolley handle is provided on the outer side wall of the box body.

[0019] Compared with the prior art, the present utility model has at least the following advantages:

[0020] 1. Improve sealing performance: Through the design of the box assembly, the box and the door body enclose to form a sealed cavity, effectively preventing the penetration of moisture and impurities in the external environment, significantly enhancing the protection effect of the electrode sheet during transportation, and ensuring the performance and consistency of the finished battery.

[0021] 2. Save production space: Compared with traditional large-scale transportation devices, the transportation device of the present utility model is designed more compactly. By reasonably arranging the suspension assembly, the volume of the device is effectively reduced, the space utilization of the production line is optimized, and the layout flexibility and operation convenience of the production line are improved.

[0022] 3. Enhance operation flexibility: The transportation device is designed simply and is convenient for quickly transferring between production lines or different workshops. At the same time, the setting of the suspension assembly makes the loading and unloading of the electrode sheet coil more convenient and fast, improving production efficiency.

[0023] 4. Monitor pressure in real time: The setting of the pressure gauge in the vacuum pumping assembly allows the operator to monitor the pressure condition in the sealed cavity in real time, ensuring that an appropriate vacuum degree is maintained in the cavity during transportation, and further guaranteeing the quality of the electrode sheet. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0025] Figure 1 It is a schematic structural diagram of an electrode sheet coil transportation device according to an embodiment of the present utility model.

[0026] Figure 2 It is a schematic internal structural diagram of an electrode sheet coil transportation device according to an embodiment of the present utility model;

[0027] Figure 3 It is a schematic structural diagram of a suspension assembly according to an embodiment of the present utility model.

[0028] The reference numerals in the figure are: 10, the pole piece coil transfer device; 100, the pole piece coil; 110, the rotating shaft; 120, the pole piece strip; 200, the box body assembly; 210, the box body; 220, the door body; 230, the quick clamp; 240, the caster; 250, the lifting ring; 260, the cart handle; 300, the vacuum pumping assembly; 310, the pressure gauge; 320, the vacuum pumping pipe; 400, the suspension assembly; 410, the support frame; 420, the material clamping block; 421, the second groove; 430, the material pressing block; 431, the movable block; 432, the bending block; 4321, the first groove; 433, the locking block; 4331, the vertical connecting part; 4332, the horizontal locking part; 4440, the locking mechanism; 441, the locking screw; 442, the locking nut. Detailed implementation mode

[0029] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present invention can be understood more thoroughly and comprehensively.

[0030] Please refer to Figure 1 and Figure 2 , a pole piece coil transfer device (10), the pole piece coil (100) includes a rotating shaft (110) and a pole piece strip (120) wound around the rotating shaft (110), and includes: a box body (210) assembly (200), a vacuum pumping assembly (300) and two suspension assemblies (400). Among them, the box body (210) assembly (200) includes a box body (210) and a door body (220), and the box body (210) and the door body (220) enclose a sealed cavity; the vacuum pumping assembly (300) includes a pressure gauge (310) and a vacuum pumping pipe (320), and the pressure gauge (310) and the vacuum pumping pipe (320) are respectively communicated with the sealed cavity; the two suspension assemblies (400) are symmetrically arranged on two corresponding inner side walls of the box body (210), and the two suspension assemblies (400) are respectively used for suspending and fixing both ends of the rotating shaft (110).

[0031] It should be noted that the box body (210) and the door body (220) are connected through a precise sealing design, such as using rubber sealing rings, gaskets or magnetic sealing strips, etc., to ensure that a tight sealed cavity can be formed when the two are enclosed, effectively preventing the penetration of external moisture and impurities. At the same time, the pressure gauge (310) is connected to the inside of the sealed cavity through a pipeline or a joint to monitor the pressure change in the cavity in real time; the vacuum extraction pipe (320) is also connected to the sealed cavity through a pipeline or a joint to extract the air in the cavity to create a vacuum environment. Further, two suspension components (400) are respectively fixed on two opposite inner side walls of the box body (210). The suspension component (400) is provided with a mechanism for suspending and fixing the rotating shaft (110). The two suspension components (400) can firmly hold both ends of the rotating shaft (110) to prevent it from shaking or falling off during transportation. Through the innovative design, the present utility model effectively solves the problems existing in the existing pole piece transfer device, improves the efficiency and quality of battery production, and has significant technical advantages and application values.

[0032] Please refer to Figure 2 and Figure 3 , further, each suspension component (400) includes a support frame (410), a material clamping block (420), a material pressing block (430) and a locking mechanism (440). The material clamping block (420) is buffer - arranged on the support frame (410). During use, one end of the rotating shaft (110) is placed between the material clamping block (420) and the material pressing block (430), and the locking mechanism (440) is used to lock the material pressing block (430) and the material clamping block (420) so that one end of the rotating shaft (110) is fixed between the material clamping block (420) and the material pressing block (430).

[0033] It should be noted that the material clamping block (420) is buffer - connected to the support frame (410) through a number of spring members. In this way, a certain buffering effect can be provided when fixing the rotating shaft (110), protecting the rotating shaft (110) from damage, and at the same time reducing the vibration of the pole piece coil (100) caused by the bumps during the transportation process; further, the material clamping block (420) has a contour matching the rotating shaft (110) to ensure that the rotating shaft (110) can be stably placed thereon. The material pressing block (430) is located above the material clamping block (420). When one end of the rotating shaft (110) is placed on the material clamping block (420), the material pressing block (430) will press down and closely cooperate with the material clamping block (420) to firmly clamp the rotating shaft (110) in the middle. The locking mechanism (440) is a key part of the suspension component (400). It is used to lock the material pressing block (430) and the material clamping block (420) together to ensure that the rotating shaft (110) will not loosen or fall off during transportation.

[0034] Please refer to Figure 3, Further, the blank holder (430) includes a movable block (431), a bending block (432) and a locking block (433). The two ends of the bending block (432) are respectively connected to the movable block (431) and the locking block (433). The two ends of the movable block (431) are respectively rotatably connected to the material clamping block (420) and the bending block (432). The locking block (433) is tightly connected to the material clamping block (420) through a locking mechanism (440).

[0035] It should be noted that the movable block (431) is the movable part of the blank holder (430). Its two ends are respectively rotatably connected to the material clamping block (420) and the bending block (432). This design of the rotatable connection enables the movable block (431) to rotate freely within a certain range, so as to adapt to shafts (110) of different sizes and shapes and ensure that uniform pressure can be provided during fixation. The bending block (432) is a bridge connecting the movable block (431) and the locking block (433). Its shape is designed to have a certain degree of curvature to adapt to the outer shape of the shaft (110) and provide necessary support during fixation. The locking block (433) is the part of the blank holder (430) for locking. It is tightly connected to the material clamping block (420) through the locking mechanism (440). When the shaft (110) needs to be fixed, the locking block (433) will closely cooperate with the material clamping block (420) to firmly clamp the shaft (110) in the middle to prevent it from loosening or falling off during transportation.

[0036] Please refer to Figure 3 , Further, the locking mechanism (440) includes a locking screw (441) and a locking nut (442). The locking nut (442) is screwed onto the locking screw (441). The bottom of the locking screw (441) is rotatably connected to the material clamping block (420). The locking block (433) includes a vertical connecting portion (4331) and a horizontal locking portion (4332). The horizontal locking portion (4332) is provided with a U-shaped groove (4332a). During use, the horizontal locking portion (4332) is attached to the material clamping block (420). The locking screw (441) passes through the U-shaped groove (4332a), and the locking nut (442) is rotated to tightly connect the horizontal locking portion (4332) to the material clamping block (420).

[0037] It should be noted that the bottom of the locking screw (441) is rotatably connected to the material clamping block (420), making the locking screw (441) more flexible during operation and facilitating the loading and unloading operation of the rotating shaft (110) on the material clamping block (420). Further, the locking block (433) includes a vertical connecting portion (4331) and a horizontal locking portion (4332). The vertical connecting portion (4331) is connected to the bending block (432), ensuring the overall stability of the locking block (433). The horizontal locking portion (4332) is provided with a U-shaped groove (4332a). The design of this U-shaped groove (4332a) enables the locking screw (441) to pass through it and form an effective connection with the material clamping block (420). During use, the horizontal locking portion (4332) will be in close contact with the material clamping block (420), and the locking screw (441) will pass through the U-shaped groove (4332a). By rotating the locking nut (442), the nut will move downward along the axis of the screw and gradually press the horizontal locking portion (4332) and the material clamping block (420), thereby achieving the effect of locking and connecting them together. This design not only ensures the firm fixation of the rotating shaft (110) but also makes the operation of the locking mechanism (440) more simple and fast.

[0038] Please refer to Figure 3 , further, the bending block (432) is provided with a first groove (4321) matching the rotating shaft (110), and the material clamping block (420) is provided with a second groove (421) matching the rotating shaft (110). During use, the rotating shaft (110) is locked between the first groove (4321) and the second groove (421).

[0039] It should be noted that during use, the rotating shaft (110) will be placed between the first groove (4321) of the bending block (432) and the second groove (421) of the material clamping block (420). Since both of these grooves are designed according to the specific requirements of the rotating shaft (110), they can closely fit the surface of the rotating shaft (110) and provide uniform support and fixing force. When the locking mechanism (440) is activated, the locking block (433) will cooperate closely with the material clamping block (420) to firmly clamp the rotating shaft (110) between the first groove (4321) and the second groove (421), thereby ensuring that the rotating shaft (110) will not loosen or fall off during transportation.

[0040] Please refer to Figure 3 , further, buffer pads are provided on the groove surfaces of the first groove (4321) and the second groove (421).

[0041] It should be noted that the buffer pads can improve the protection of the rotating shaft (110) during transportation and reduce the wear or damage caused by fixation. These buffer pads may be made of rubber, silica gel, polyurethane or other elastic materials, which can effectively absorb and disperse the pressure generated during fixation, thereby protecting the surface of the rotating shaft (110) from damage. At the same time, due to the good elasticity and wear resistance of the buffer pads, they can also effectively reduce the impact caused by vibration or collision during transportation, further protecting the safety and stability of the electrode sheet coil.

[0042] Please refer to Figure 1 , further, the door body (220) is a single-opening sealed door. One side of the door body (220) is rotatably connected to the box body (210), and the other side of the door body (220) is openably and closably connected to the box body (210) through a quick clamp (230).

[0043] It should be noted that one side of the door body (220) is connected to the box body (210) through a precise rotating mechanism, so that the door body (220) can be easily opened or closed when needed. In order to ensure that the door body (220) can closely fit the box body (210) and form an effective seal when closed, the other side of the door body (220) uses a quick clamp (230) to be openably and closably connected to the box body (210). The design of the quick clamp (230) makes the closing and opening process of the door body (220) faster and more convenient, and at the same time ensures the close fit and effective seal between the door body (220) and the box body (210).

[0044] Please refer to Figure 1 and Figure 2 , further, casters (240) are respectively arranged at the four end corners of the bottom of the box body (210).

[0045] It should be noted that at the bottom of the box body (210), four casters (240) are specially designed, and they are respectively located at the four end corner positions of the box body (210). These casters (240) not only provide stable support for the transportation device, but also greatly facilitate the movement and operation during transportation. The casters (240) may be made of high-strength and wear-resistant materials such as rubber or polyurethane to ensure that they can maintain good performance and stability during long-term use. In addition, the casters (240) can also be equipped with a braking device so that the position of the transportation device can be fixed when needed to prevent accidental movement.

[0046] Please refer to Figure 1 and Figure 2 , further, lifting rings (250) are respectively arranged at the four end corners of the top of the box body (210).

[0047] It should be noted that four lifting rings (250) are specially designed at the top of the box body (210), and they are respectively located at the four corner positions of the box body (210). These lifting rings (250) provide an additional way of hoisting and handling for the transfer device. Especially when it is necessary to move the transfer device from one place to another farther place or a place that is not easy to directly push, the transfer device can be easily lifted by hoisting equipment (such as a crane, sling, etc.) and transported to the designated position. Among them, the lifting rings (250) are made of high-strength and corrosion-resistant materials, such as stainless steel or alloy steel, to ensure that they can bear the weight of the transfer device and the pole piece coil (100) inside during the hoisting process, and will not be damaged due to long-term use or harsh environment.

[0048] Please refer to Figure 1 and Figure 2 , further, a trolley handle (260) is provided on the outer side wall of the box body (210).

[0049] It should be noted that the trolley handle (260) provided on the outer side wall of the box body (210) provides a more convenient and labor-saving pushing method for the operator, making the use of the transfer device more flexible and efficient in different scenarios.

[0050] The above-described embodiments only represent several implementation manners of the present utility model, and their descriptions are relatively specific and detailed, but should not be construed as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A pole piece coil transfer device, the pole piece coil comprising a rotating shaft and a pole piece strip wound on the rotating shaft, characterized in that: include: A box assembly, the box assembly comprising a box body and a door body, the box body and the door body together form a sealed cavity; A vacuum pumping assembly, the vacuum pumping assembly comprising a pressure gauge and a vacuum pumping tube, the pressure gauge and the vacuum pumping tube are respectively connected to the sealed cavity; Two suspension components are symmetrically arranged on two corresponding inner side walls of the box body, and the two suspension components are respectively used to hang and fix the two ends of the rotating shaft.

2. The electrode coil transfer device according to claim 1, characterized in that: Each of the suspension components includes a support frame, a clamping block, a pressing block and a locking mechanism. The clamping block buffer is arranged on the support frame. When in use, one end of the rotating shaft is placed between the clamping block and the pressing block. The locking mechanism is used to lock the pressing block and the clamping block so that one end of the rotating shaft is fixed between the clamping block and the pressing block.

3. The electrode coil transfer device according to claim 2, characterized in that: The pressing block includes a movable block, a bending block and a locking block. The two ends of the bending block are respectively connected to the movable block and the locking block. The two ends of the movable block are respectively rotatably connected to the clamping block and the bending block. The locking block is locked and connected to the clamping block through the locking mechanism.

4. The electrode coil transfer device according to claim 3, characterized in that: The locking mechanism includes a locking screw and a locking nut, the locking nut is threadedly connected to the locking screw, the bottom of the locking screw is rotatably connected to the clamping block, the locking block includes a vertical connection part and a horizontal locking part, the horizontal locking part is provided with a U-shaped groove, when in use, the horizontal locking part is fitted with the clamping block, the locking screw passes through the U-shaped groove, and the locking nut is rotated to lock the horizontal locking part and the clamping block.

5. The electrode coil transfer device according to claim 3, characterized in that: The bending block is provided with a first groove matching the rotating shaft, and the clamping block is provided with a second groove matching the rotating shaft. When in use, the rotating shaft is locked between the first groove and the second groove.

6. The electrode coil transfer device according to claim 5, characterized in that: The groove surfaces of the first groove and the second groove are both provided with buffer pads.

7. The electrode coil transfer device according to claim 1, characterized in that: The door body is a single-opening sealed door, one side of the door body is rotatably connected to the box body, and the other side of the door body is openably and closably connected to the box body through a quick clamp.

8. The electrode coil transfer device according to claim 1, characterized in that: Four end corners at the bottom of the box are respectively provided with casters.

9. The electrode coil transfer device according to claim 1, characterized in that: The four end corners on the top of the box are respectively provided with lifting rings.

10. The electrode coil transfer device according to claim 1, characterized in that: The outer side wall of the box body is provided with a trolley handle.

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