Movable plate device for carbon-coated aluminum foil slurry trough

Abstract

The utility model relates to a movable plate device for a carbon-coated aluminum foil slurry trough, which comprises a trough, a sliding plate and a driving mechanism, the sliding plate is slidably mounted in the trough, the bottom end of the sliding plate is slidably attached to the inner bottom wall of the trough, two sides of the sliding plate are slidably attached to the corresponding inner side walls of the trough respectively, and the driving mechanism is arranged in the trough. And a discharging opening is formed in one side of the bottom of the material groove and used for driving the sliding plate to horizontally move left and right in the length direction of the material groove. The position of the slurry can be adjusted through the sliding plate capable of being adjusted in a sliding mode according to the flowing state of the slurry, so that the slurry can be evenly distributed and fully flow in the material groove, waste is reduced, the utilization rate of the slurry is improved, the material cost is reduced, and the uniformity of the slurry in the coating process is ensured by optimizing the flowing path of the slurry and avoiding stirring dead angles; the uniformity of the carbon-coated aluminum foil coating is improved, the conductivity and corrosion resistance of the aluminum foil are improved, and the battery performance is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium ion battery manufacturing technical field, concretely is a kind of movable slab device for carbon-coated aluminium foil slurry tank. BACKGROUND

[0002] Carbon-coated aluminium foil is widely used in the manufacturing process of lithium ion battery, especially on the positive current collector, the carbon coating can significantly improve the conductivity, corrosion resistance of aluminium foil and the adhesion with positive material. Therefore, uniform and stable coating of slurry on the surface of aluminium foil is crucial to ensure the electrochemical performance of the battery.

[0003] The currently widely used slurry tank of carbon-coated aluminium foil is usually a fixed structure, and the flow path and stirring effect of the slurry in the tank are not ideal, especially in some areas of the tank body, the slurry is prone to accumulate or remain, which causes the slurry in these areas to not fully participate in stirring or coating, which not only wastes materials but also easily leads to uneven coating and affects the quality of the final product. SUMMARY

[0004] The utility model aims at providing a movable slab device for carbon-coated aluminium foil slurry tank, which effectively solves the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A movable slab device for carbon-coated aluminium foil slurry tank, comprising a tank, a sliding plate and a driving mechanism, the sliding plate is slidingly installed in the tank, the bottom end of the sliding plate is slidingly attached to the inner bottom wall of the tank, and the two sides are slidingly attached to the corresponding inner side walls of the tank, the driving mechanism is arranged in the tank and is used to drive the sliding plate to translate left and right along the length direction of the tank, and one side of the bottom of the tank is provided with a discharge port.

[0007] Therefore, the sliding plate can adjust the position according to the flow state of the slurry, so that the slurry can be uniformly distributed and fully flowed in the tank, reducing waste, improving the utilization rate of the slurry, reducing material cost, optimizing the flow path of the slurry, avoiding dead corners, ensuring the uniformity of the slurry in the coating process, not only improving the uniformity of the carbon-coated aluminium foil coating, but also improving the conductivity and corrosion resistance of the aluminium foil, enhancing the battery performance, through the dynamic adjustment and optimization design of the sliding plate, simplifying the stirring and coating process of the slurry, the automatic adjustment mechanism of the sliding plate can quickly adapt to different batches and viscosity changes of the slurry, significantly shortening the adjustment time in production, thereby improving the overall production efficiency.

[0008] Further, the sliding plate comprises a main plate body, a pair of auxiliary plate bodies and a driving device, both sides of the main plate body are respectively provided with side grooves, both auxiliary plate bodies are respectively limitedly and slidably installed in the corresponding side grooves, an inner cavity is arranged in the sliding plate, and the driving device is fixed in the inner cavity along the width direction of the material groove.

[0009] Further, the driving device adopts a double-shaft air cylinder, and the two telescopic rods of the double-shaft air cylinder extend through the corresponding side grooves and are fixedly connected with the corresponding auxiliary plate bodies.

[0010] Further, the bottom ends of the two auxiliary plate bodies are slidably attached to the inner bottom wall of the material groove, and the two sides of the auxiliary plate body are slidably attached to the two side walls in the side grooves.

[0011] Further, the driving mechanism comprises a threaded rod, a driving motor and a guide rod, the main plate body is provided with a through threaded hole and a guide hole, the threaded rod is threadedly and rotatably installed in the threaded hole and in the material groove, the driving motor is fixed on one side of the material groove and has an output shaft fixedly connected with one end of the threaded rod, and the guide rod is slidably and rotatably installed in the guide hole and has both ends fixedly connected with the inner side walls of the material groove.

[0012] Further, a discharging valve is installed in the discharging port.

[0013] Compared with the prior art, the present application has the following advantages.

[0014] The sliding plate can be adjusted according to the flow state of the slurry, so that the slurry can be uniformly distributed and fully flowed in the material groove, the waste is reduced, the utilization rate of the slurry is improved, the material cost is reduced, the flow path of the slurry is optimized, the dead angle of stirring is avoided, the uniformity of the slurry in the coating process is ensured, the uniformity of the carbon-coated aluminum foil coating is improved, the conductivity and corrosion resistance of the aluminum foil are improved, and the battery performance is enhanced.

[0015] The dynamic adjustment and optimization design of the sliding plate simplify the stirring and coating process of the slurry, the automatic adjustment mechanism of the sliding plate can quickly adapt to different batches and viscosity changes of the slurry, and the adjustment time in production is significantly shortened, thereby improving the production efficiency.

[0016] When the driving device drives the two auxiliary plate bodies to retract into the side grooves, the auxiliary plate bodies and the inner side walls of the corresponding sides of the material groove form gaps for the flow of the slurry, the driving mechanism drives the sliding plate to reciprocate for adjustment, and the stirring effect of the slurry in the material groove is provided, the slurry is intermittently stirred during coating, the excessive precipitation of the slurry is prevented, and the uniformity of the coating is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is one of whole structure perspective view of the utility model;

[0018] Figure 2 It is two of whole structure perspective view of the utility model;

[0019] Figure 3 It is one of section structure schematic view of the utility model;

[0020] Figure 4 It is two of section structure schematic view of the utility model.

[0021] In the drawing: 1, trough; 11, discharge port; 12, discharge valve; 2, sliding plate; 21, main plate body; 211, side groove; 212, inner cavity; 22, auxiliary plate body; 23, driving device; 3, driving mechanism; 31, threaded rod; 311, threaded hole; 32, driving motor; 33, guide rod; 331, guide hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the utility model.

[0023] In the description of the embodiments of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "connection", "installation" should be understood broadly, for example, "connection" can be detachable connection, or can be non-detachable connection; can be direct connection, or indirect connection through intermediate medium. In addition, "communication" can be direct communication, or indirect communication through intermediate medium. Among them, "fixing" means connecting with each other and the relative position relationship after connection does not change. The orientation language mentioned in the embodiments of the utility model, for example, "inner", "outer", "bottom" and the like, is only the direction of the drawing, therefore, the orientation language used is for better, clearer illustration and understanding of the embodiments of the utility model, and is not indicative or implied that the indicated device or element must have a specific orientation, structure and operation, therefore, it cannot be understood as the limitation of the embodiments of the utility model.

[0024] In the embodiments of the utility model, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0025] Please refer to Figures 1-4 The utility model provides a kind of movable slab device for carbon-coated aluminium foil slurry tank, including tank 1, sliding plate 2 and drive mechanism 3, tank 1 is detachably installed on the rack below coating equipment, can be moved adjustment, tank 1 bottom side is equipped with discharge port 11, for discharging, and discharge port 11 is equipped with discharge valve 12, for the start-stop of discharging is controlled.

[0026] Sliding plate 2 is slidably installed in tank 1, the bottom end of sliding plate 2 is slidably attached to the inner bottom wall of tank 1, to ensure that the height of sliding plate 2 is sufficient to cover the depth of tank 1, the two sides of sliding plate 2 are slidably attached to the corresponding inner side walls of tank 1, to ensure that the width of sliding plate 2 can cover the width of tank 1, and sliding plate 2 is slidably attached to the inner wall of tank 1 with small friction, without damaging tank 1 and sliding plate 2 itself.

[0027] Drive mechanism 3 is arranged in tank 1, for driving sliding plate 2 to translate left and right along the length direction of tank 1, i.e. through the operation of drive mechanism 3, sliding plate 2 can be driven to translate in tank 1, so that sliding plate 2 can dynamically adjust its position according to the flow of slurry, optimize the slurry flow path inside tank 1, avoid dead corners, improve the uniformity of coating, can adapt to different batches and different viscosity of slurry to ensure flexible application in production process, and without affecting normal coating operation, the slurry retained by the movement of sliding plate 2 is pushed to the coating area, which can reduce slurry retention, avoid waste, improve slurry utilization rate, while ensuring the continuity and quality of the coating process, reduce production cost, and make the slurry more evenly coated on the surface of aluminium foil.

[0028] The movable slab device for carbon-coated aluminium foil slurry tank provided by the utility model can adjust the position of sliding plate 2 according to the flow state of slurry, so that the slurry can be evenly distributed and fully flowed in tank 1, reduce waste, improve the utilization rate of slurry, reduce material cost, optimize the slurry flow path, avoid dead corners, ensure the uniformity of slurry in the coating process, not only improve the uniformity of carbon-coated aluminium foil coating, but also improve the conductivity and corrosion resistance of aluminium foil, enhance the battery performance, through dynamic adjustment and optimization design of sliding plate 2, simplify the stirring and coating process of slurry, the automatic adjustment mechanism of sliding plate 2 can quickly adapt to different batches and viscosity changes of slurry, significantly shorten the adjustment time in production, thereby improve the overall production efficiency.

[0029] Specifically, the sliding plate 2 comprises a main plate body 21, a pair of auxiliary plate bodies 22 and a driving device 23, the main plate body 21 is provided with a side groove 211 on each side, the two auxiliary plate bodies 22 are respectively limitedly and slidingly installed in the corresponding side grooves 211, the sliding plate 2 is provided with an inner cavity 212, the driving device 23 is fixed in the inner cavity 212 along the width direction of the material groove 1, the driving device 23 is used for driving the two auxiliary plate bodies 22 to slide towards or away from each other, and the driving device 23 adopts a double-shaft air cylinder, the two telescopic rods of the double-shaft air cylinder respectively extend into the corresponding side grooves 211 and are fixedly connected with the corresponding auxiliary plate bodies 22, and the two telescopic rods of the double-shaft air cylinder can synchronously perform telescopic work.

[0030] Through the work of the driving device 23, the two telescopic rods can respectively drive the two auxiliary plate bodies 22 on the two sides to slide and adjust, when the driving device 23 drives the two auxiliary plate bodies 22 to retract into the side grooves 211, the auxiliary plate bodies 22 and the inner side walls of the corresponding sides of the material groove 1 form gaps for the flow of slurry, through the work of the driving mechanism 3, the sliding plate 2 is adjusted to move reciprocatingly as a whole, the slurry is pushed by the sliding plate 2 in the direction of its movement, is blocked by the inner side walls of the material groove 1 and flows back to the other side of the sliding plate 2 through the above-mentioned gap, and thus the slurry in the material groove 1 can be provided with an agitating effect, the slurry can be intermittently stirred during coating, the slurry can be prevented from excessive precipitation, and the uniformity of coating is further improved.

[0031] Through the work of the driving device 23, the two auxiliary plate bodies 22 are pushed to slide to the two sides until the auxiliary plate bodies 22 are attached to the inner side walls of the material groove 1, under the driving action of the driving mechanism 3, the sliding plate 2 as a whole is adjusted to slide in the material groove 1, so that the sliding plate 2 can push the retained slurry to the coating area, the retention of the slurry can be reduced, waste can be avoided, and the utilization rate of the slurry can be improved.

[0032] The two auxiliary plate bodies 22 in the sliding plate 2 are designed in a telescopic manner, can be adjusted to slide according to the use situation, when the two auxiliary plate bodies 22 slide and extend and are attached to the inner side walls of the material groove 1, the whole sliding plate 2 can push the retained slurry to the coating area, the retention of the slurry can be reduced, waste can be avoided, and the utilization rate of the slurry can be improved, when the two auxiliary plate bodies 22 slide and reset, gaps are formed between the auxiliary plate bodies 22 and the inner side walls of the material groove 1, so that the slurry in the material groove 1 can be stirred, and two effects are achieved at one time.

[0033] Specifically, the bottom ends of the two auxiliary plate bodies 22 are slidingly attached to the inner bottom walls of the material groove 1, the two sides of the auxiliary plate bodies 22 are slidingly and tightly attached to the two side walls in the side grooves 211, and the range of the area covered by the auxiliary plate bodies 22 is ensured to be sufficient.

[0034] Specifically, the driving mechanism 3 comprises a threaded rod 31, a driving motor 32 and a guide rod 33, the main plate body 21 is provided with a through threaded hole 311 and a guide hole 331, the threaded rod 31 is threadedly matchedly installed through the threaded hole 311 and is rotatably installed in the chute 1, the driving motor 32 is fixed on one side of the chute 1 and an output shaft is fixedly connected with one end of the threaded rod 31, the guide rod 33 is slidably installed through the guide hole 331 and both ends are fixedly connected with the inner side wall of the chute 1, through the working of the driving motor 32, the output shaft drives the threaded rod 31 to rotate, under the guiding and limiting action of the guide rod 33 and the limiting action of the inner side wall of the chute 1, the rotating threaded rod 31 can threadedly drive the main plate body 21 to slide, thereby providing stable driving for the position adjustment of the whole sliding plate 2.

[0035] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1.An activity plate device for slurry tank of carbon-coated aluminum foil slurry, characterized in that: it comprises a tank (1), a sliding plate (2) and a driving mechanism (3); the sliding plate (2) is slidingly installed in the tank (1), the bottom end of the sliding plate (2) is slidingly attached to the inner bottom wall of the tank (1), and the two sides are slidingly attached to the corresponding inner side walls of the tank (1); the driving mechanism (3) is arranged in the tank (1) and used to drive the sliding plate (2) to translate left and right along the length direction of the tank (1); one side of the bottom of the tank (1) is provided with a discharge port (11). 2.The activity plate device for slurry tank of carbon-coated aluminum foil slurry according to claim 1, characterized in that: the sliding plate (2) comprises a main plate body (21), a pair of auxiliary plate bodies (22) and a driving device (23); the main plate body (21) is provided with a side groove (211) on each side, and the two auxiliary plate bodies (22) are slidingly installed in the corresponding side grooves (211); an inner cavity (212) is arranged in the sliding plate (2), the driving device (23) is fixed in the inner cavity (212) along the width direction of the tank (1), and the driving device (23) is used to drive the two auxiliary plate bodies (22) to slide towards or away from each other. 3.The activity plate device for slurry tank of carbon-coated aluminum foil slurry according to claim 2, characterized in that: the driving device (23) is a double-shaft air cylinder, and the two telescopic rods of the double-shaft air cylinder extend through the corresponding side grooves (211) and are fixedly connected with the corresponding auxiliary plate bodies (22). 4.The activity plate device for slurry tank of carbon-coated aluminum foil slurry according to claim 2, characterized in that: the bottom end of each auxiliary plate body (22) is slidingly attached to the inner bottom wall of the tank (1); the two sides of the auxiliary plate body (22) are tightly slidingly attached to the two side walls in the side groove (211). 5.The activity plate device for slurry tank of carbon-coated aluminum foil slurry according to claim 2, characterized in that: the driving mechanism (3) comprises a threaded rod (31), a driving motor (32) and a guide rod (33); the main plate body (21) is provided with a through threaded hole (311) and a guide hole (331); the threaded rod (31) is threadedly installed in the threaded hole (311) and rotationally installed in the tank (1); the driving motor (32) is fixed on one side of the tank (1), and the output shaft is fixedly connected with one end of the threaded rod (31); the guide rod (33) is slidingly installed in the guide hole (331), and the two ends are fixedly connected with the inner side walls of the tank (1). 6.The activity plate device for slurry tank of carbon-coated aluminum foil slurry according to claim 1, characterized in that: a discharge valve (12) is installed in the discharge port (11).

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