Drying equipment and battery production system

Abstract

The embodiment of the utility model provides drying equipment and a battery production system, and relates to the technical field of batteries. The drying equipment comprises a box body, a conveying device, a drying device and an exhaust device, wherein the box body is provided with a pole piece inlet and a pole piece outlet; the conveying device is mounted in the box body and is used for conveying pole pieces; the drying device is arranged in the box body and is used for drying the pole piece; the air exhaust device comprises a first air exhaust opening and a second air exhaust opening which are arranged in the box body at intervals in the first direction, the opening area of the first air exhaust opening and / or the opening area of the second air exhaust opening are / is adjustable, or the air speed of the first air exhaust opening and / or the air speed of the second air exhaust opening are / is adjustable. When the position of the pole piece in the first direction needs to be adjusted, the opening areas or the air speeds of the first air outlet and the second air outlet are made to be large or small, most of airflow is exhausted towards the air outlet in the side with the large opening area or the side with the large air speed, and the change of the airflow direction drives the position of the pole piece to be adjusted. And the deviation possibility of the pole piece in the drying process is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of batteries, and more particularly, to a drying device and a battery production system. BACKGROUND

[0002] Battery devices are widely used in electronic devices, such as mobile phones, notebook computers, electric vehicles, electric cars, electric planes, electric ships, electric toy cars, electric toy ships, electric toy planes, electric tools, and the like.

[0003] In the production process of the battery device, coating and drying after coating of the pole piece need to be performed. The pole piece is prone to position deviation during the coating and walking process. How to effectively adjust the position of the pole piece during the walking process is a research direction in the battery technology. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a drying device and a battery production system, which can adjust the position of the pole piece during the walking process.

[0005] In a first aspect, the embodiments of the present application provide a drying device, comprising a box body, a conveying device, a drying device, and an exhaust device, one end of the opposite two ends of the box body is provided with a pole piece inlet, and the other end is provided with a pole piece outlet; the conveying device is installed in the box body and is used for conveying the pole piece; the drying device is installed in the box body and is used for drying the pole piece; the exhaust device comprises a first exhaust port and a second exhaust port which are arranged in the box body along a first direction, the first exhaust port is configured to be adjustable in opening area and / or the second exhaust port is configured to be adjustable in opening area, or the first exhaust port is configured to be adjustable in wind speed and / or the second exhaust port is configured to be adjustable in wind speed, and the first direction intersects with the arrangement direction of the pole piece inlet to the pole piece outlet.

[0006] By adopting the above technical solution, the first exhaust port and / or the second exhaust port are designed to be adjustable in opening area. When it is necessary to adjust the position of the pole piece along the first direction, the opening area of the first exhaust port and the opening area of the second exhaust port can be made large and small, so that the airflow flows to the exhaust port with a larger opening area, or the wind speed of the first exhaust port and the wind speed of the second exhaust port are made large and small, so that the airflow flows to the exhaust port with a faster wind speed. The change of the airflow flow direction can drive the pole piece to adjust the position along the first direction, thereby reducing the possibility of deviation of the pole piece during the drying process.

[0007] In some embodiments of the present application, the exhaust device comprises a first adjusting assembly, the first adjusting assembly is installed in the first exhaust port, and is used for adjusting the opening area of the first exhaust port.

[0008] The first adjusting assembly is arranged at the first air outlet, and the opening area of the first air outlet can be adjusted by the first adjusting assembly.

[0009] In some embodiments of the present application, the first adjusting assembly comprises a connecting frame and a first adjusting mechanism, the connecting frame is connected to the first air outlet and is provided with a first opening opposite to the first air outlet along the arrangement direction from the pole piece inlet to the pole piece outlet and in communication with the first air outlet, and the first adjusting mechanism is arranged on the connecting frame and is used for adjusting the opening area of the first opening.

[0010] According to the above technical scheme, the first adjusting assembly is designed to comprise a connecting frame and a first adjusting mechanism, the connecting frame is provided with a first opening, the area of the first opening is adjusted indirectly to adjust the area of the first air outlet by the first adjusting mechanism, and the first adjusting mechanism is directly arranged on the connecting frame, so that the first adjusting mechanism can be conveniently arranged compared with the mode of arranging the first adjusting mechanism on the first air outlet.

[0011] In some embodiments of the present application, the first adjusting mechanism comprises a plurality of first blades, a first transmission structure and a first driving member, the first blade is provided with a first rotating shaft, the first rotating shaft is hinged to the connecting frame and extends out of the connecting frame, the first transmission structure is connected to the plurality of first rotating shafts respectively, the first driving member is connected to the first transmission structure, and the first driving member drives the plurality of first rotating shafts to rotate through the first transmission structure.

[0012] According to the above technical scheme, the first blade, the first transmission structure and the first driving member are used to form a shutter to adjust the area of the first opening, so as to adjust the area of the first air outlet, and the structure is simple and the adjustment is flexible and convenient.

[0013] In some embodiments of the present application, the first transmission structure comprises a first connecting rod, a second connecting rod and a first transmission rod, the plurality of first connecting rods are connected to the plurality of first rotating shafts one by one and rotate synchronously, the length direction of the first transmission rod is arranged along the first direction, and the first transmission rod is hinged to the plurality of first connecting rods respectively, one end of the second connecting rod is hinged to the first transmission rod, the other end of the second connecting rod is connected to the first driving member, and the first driving member is used to drive the second connecting rod to rotate.

[0014] According to the above technical scheme, the connecting rod structure formed by the first connecting rod, the second connecting rod and the first transmission rod is used for transmission, and the structure is simple, the movement is reliable, and the adjustment precision is high.

[0015] In some embodiments of the present application, the first driving member comprises a first adjusting knob, which is rotatably mounted on the connecting frame, and is rotatably connected with the second connecting rod.

[0016] By adopting the above technical scheme, the first adjusting knob is arranged, and rotating the first adjusting knob drives the second connecting rod to rotate, so as to drive the first transmission rod, the plurality of first connecting rods and the plurality of first blades to rotate, thereby facilitating the operator to adjust.

[0017] In some embodiments of the present application, the first adjusting knob is mounted on the connecting frame through a first damping rotating shaft.

[0018] By adopting the above technical scheme, the first adjusting knob is mounted on the connecting frame through the first damping rotating shaft, and the position after rotation of the first adjusting knob can be maintained, so that the first blades maintain the adjusted state and the area of the first air outlet after adjustment is maintained.

[0019] In some embodiments of the present application, a side wall of the box along one side in the first direction is provided with a closable door body, and the first adjusting knob is located at one end of the connecting frame close to the door body.

[0020] By adopting the above technical scheme, the first adjusting knob is designed to be close to the door body, and the operator can conveniently operate the first adjusting knob after opening the door body.

[0021] In some embodiments of the present application, the air exhaust device comprises a second adjusting assembly, which is mounted on the second air outlet and is used for adjusting the opening area of the second air outlet.

[0022] By adopting the above technical scheme, the second adjusting assembly is mounted at the second air outlet, and the second adjusting assembly can be used to adjust the opening area of the second air outlet.

[0023] In some embodiments of the present application, the air exhaust device comprises a first adjusting assembly and a second adjusting assembly, the first adjusting assembly comprises a connecting frame and a first adjusting mechanism, the second adjusting assembly comprises a second adjusting mechanism, the connecting frame is provided with a first opening and a second opening, along the arrangement direction from the pole piece inlet to the pole piece outlet, the first opening is opposite to and communicates with the first air outlet, the second opening is opposite to and communicates with the second air outlet, the first adjusting mechanism is mounted on the connecting frame and is used for adjusting the opening area of the first opening, and the second adjusting mechanism is mounted on the connecting frame and is used for adjusting the opening area of the second opening.

[0024] According to the technical scheme, the first opening and the second opening are arranged on the connecting frame, and the second adjusting assembly is also arranged on the connecting frame of the first adjusting assembly, so that the first adjusting assembly and the second adjusting assembly can be installed only by installing the connecting frame, thereby simplifying the structure and improving the assembly efficiency.

[0025] In some embodiments of the present application, the second adjusting mechanism includes a plurality of second vanes, a second transmission structure and a second driving member, the second vanes are provided with second rotating shafts, the second rotating shafts are hinged to the connecting frame and extend out of the connecting frame, the second transmission structure is connected with the plurality of second rotating shafts respectively, and the second driving member is connected with the second transmission structure, and the second driving member drives the plurality of second rotating shafts to rotate through the second transmission structure.

[0026] According to the technical scheme, the second vanes, the second transmission structure and the second driving member are used to form a shutter to adjust the area of the second opening, so that the area of the second air outlet is adjusted, and the structure is simple and the adjustment is flexible and convenient.

[0027] In some embodiments of the present application, the second driving member includes a second adjusting knob, a side wall of one side of the box body along the first direction is provided with an openable and closable door body, and the second adjusting knob is located at one end of the connecting frame close to the door body.

[0028] According to the technical scheme, the second adjusting knob is designed to be close to the door body, so that the operator can conveniently operate the second adjusting knob after opening the door body.

[0029] In some embodiments of the present application, the air exhaust device further includes a third air outlet, and the third air outlet is located between the first air outlet and the second air outlet along the first direction.

[0030] According to the technical scheme, air can be exhausted through the third air outlet, and when the opening area of the first air outlet or the second air outlet is adjusted, the displacement amount of the movement of the pole piece along the first direction driven by the change of the wind direction can be adaptively reduced, so that small-range pole piece position adjustment is realized, and the adjustment is more accurate.

[0031] In a second aspect, the embodiments of the present application provide a battery production system including the drying equipment according to any one of the above technical schemes. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described below only show some of the embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of the drawings.

[0033] Figure 1 The structural schematic diagram of the drying equipment provided by some embodiments of the present application is shown in the figure.

[0034] Figure 2 The internal structural schematic diagram of the drying equipment provided by some embodiments of the present application is shown in the figure.

[0035] Figure 3 The structural schematic diagram of the drying equipment provided by some embodiments of the present application before the first adjusting assembly and the second adjusting assembly are installed is shown in the figure.

[0036] Figure 4 The enlarged view of a part of the figure Figure 3

[0037] Figure 5 The structural schematic diagram of the drying equipment provided by some embodiments of the present application after the first adjusting assembly and the second adjusting assembly are installed is shown in the figure.

[0038] Figure 6 The enlarged view of b part of the figure Figure 5

[0039] Figure 7 The structural schematic diagram of the first adjusting assembly and the second adjusting assembly of the drying equipment provided by some embodiments of the present application is shown in the figure.

[0040] The specific implementation of the drawings is as follows:

[0041] 100, drying equipment;

[0042] 10, box body; 11, pole piece inlet; 12, pole piece outlet; 13, door body;

[0043] 20, conveying device; 21, conveying roller;

[0044] 30, drying device; 31, tuyere;

[0045] ​​40, air exhaust device; 41, first air exhaust port; 42, second air exhaust port; 43, first adjusting assembly; 431, connecting frame; 4311, first opening; 4312, second opening; 4313, third opening; 432, first adjusting mechanism; 4321, first blade; 43211, first rotating shaft; 4322, first transmission structure; 43221, first connecting rod; 43222, second connecting rod; 43223, first transmission rod; 4323, first driving member; 43231, first adjusting knob; 43232, first damping rotating shaft; 44, second adjusting assembly; 441, second adjusting mechanism; 4411, second blade; 44111, second rotating shaft; 4412, second transmission structure; 44121, third connecting rod; 44122, fourth connecting rod; 44123, second transmission rod; 4413, second driving member; 44131, second adjusting knob; 44132, second damping rotating shaft; 45, third air exhaust port;

[0046] 200, pole piece;

[0047] X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION

[0048] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0049] Unless otherwise defined, all technical and scientific terms used in the present application have the same meaning as those commonly understood by one of ordinary skill in the art to which this application belongs; the terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "include" and "have" and any variations thereof in the specification and claims of the present application and the above description of drawings are intended to cover non-exclusive inclusion. The terms "first", "second" and the like in the specification and claims of the present application and the above description of drawings are used to distinguish different objects, not to describe a particular order or primary and secondary relationship.

[0050] In the present application, the phrase "embodiment" means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase at various places in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment to other embodiments.

[0051] In the description of the application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "attachment" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0052] The term "and / or" in the present application is only to describe the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that A exists alone, A and B exist together, and B exists alone. In addition, the character " / " in the present application generally represents that the front and rear associated objects have an "or" relationship.

[0053] In the embodiments of the present application, the same reference signs represent the same components, and for the sake of brevity, the detailed description of the same components is omitted in different embodiments. It should be understood that the thickness, length, width and other dimensions of various components in the embodiments of the present application shown in the drawings, and the overall thickness, length, width and other dimensions of the integrated device are only exemplary and should not constitute any limitation on the present application.

[0054] "Multiple" appearing in the present application means two or more (including two).

[0055] The battery mentioned in the embodiments of the present application refers to a single physical module including one or more battery cells to provide higher voltage and capacity. For example, the battery mentioned in the present application can include a battery module or a battery pack, etc. The battery generally includes a battery box for packaging one or more battery cells. The battery box can avoid the influence of liquid or other foreign matters on the charging or discharging of the battery cells.

[0056] The battery cell mentioned in the embodiments of the present application can be a lithium ion secondary battery cell, a lithium ion primary battery cell, a lithium-sulfur battery cell, a sodium lithium ion battery cell, a sodium ion battery cell or a magnesium ion battery cell, etc. The embodiments of the present application are not limited thereto. The battery cell can be in the shape of a cylinder, a flat body, a cuboid or other shapes, etc. The embodiments of the present application are not limited thereto.

[0057] The battery cell mentioned in the embodiments of the present application can include an electrode assembly and an electrolyte, and the electrode assembly includes a positive electrode tab, a negative electrode tab and a separator. The battery cell mainly relies on the movement of metal ions between the positive electrode tab and the negative electrode tab to work. The positive electrode tab includes a positive electrode current collector and a positive electrode active material layer coated on the surface of the positive electrode current collector; the positive electrode current collector includes a positive electrode coating area coated with the positive electrode active material layer and a positive electrode tab connected to the positive electrode coating area, and the positive electrode tab is not coated with the positive electrode active material layer. Taking a lithium ion battery cell as an example, the material of the positive electrode current collector can be aluminum, and the positive electrode active material layer includes a positive electrode active material, which can be lithium cobaltate, lithium iron phosphate, ternary lithium or lithium manganate, etc. The negative electrode tab includes a negative electrode current collector and a negative electrode active material layer coated on the surface of the negative electrode current collector; the negative electrode current collector includes a negative electrode coating area coated with the negative electrode active material layer and a negative electrode tab connected to the negative electrode coating area, and the negative electrode tab is not coated with the negative electrode active material layer. The material of the negative electrode current collector can be copper, and the negative electrode active material layer includes a negative electrode active material, which can be carbon or silicon, etc. The material of the separator can be PP (polypropylene) or PE (polyethylene), etc.

[0058] The battery cell described in the embodiments of the present application is suitable for a battery and a power consumption device using the battery. The power consumption device can be a vehicle, a mobile phone, a portable device, a notebook computer, a ship, a spacecraft, an electric toy and an electric tool, etc. The vehicle can be a fuel automobile, a gas automobile or a new energy automobile, and the new energy automobile can be a pure electric automobile, a hybrid electric automobile or a range extended automobile, etc.; the spacecraft includes an airplane, a rocket, a space shuttle and a spacecraft, etc.; the electric toy includes a fixed or mobile electric toy, for example, a game console, an electric automobile toy, an electric ship toy and an electric airplane toy, etc.; the electric tool includes a metal cutting electric tool, a grinding electric tool, an assembling electric tool and a railway electric tool, for example, an electric drill, an electric grinder, an electric wrench, an electric screwdriver, an electric hammer, an impact electric drill, a concrete vibrator and an electric planer, etc. The embodiments of the present application do not specially limit the above power consumption devices.

[0059] In the following, the embodiments of the present application will be described in detail.

[0060] At present, the application of the battery device is more and more extensive. The battery device is not only applied to the energy storage power supply system of hydroelectric, thermal, wind and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles and electric cars, as well as military equipment, aerospace and many other fields. With the continuous expansion of the application field of the battery device, the market demand is also increasing.

[0061] In the production process of battery devices, drying equipment such as ovens is needed to dry the coated electrode sheets. The electrode sheets are carried by conveyor rollers in the oven and are dried by drying devices such as air nozzles during the conveying process.

[0062] Electrodes are prone to lateral shifting during the conveyor belt drying process. The relevant technology usually involves correcting the electrode shifting outside the drying oven. However, due to the large length of the drying oven, the problem of frequent electrode shifting inside the oven remains unresolved.

[0063] Therefore, how to effectively correct the position of the electrodes inside the oven is an important issue in battery production and processing.

[0064] In view of this, this application provides a technical solution that changes the airflow direction inside the oven by adjusting the size of at least one of the exhaust vents on both sides, thereby using the change in airflow direction to correct the deviation of the electrode sheets.

[0065] The following is in conjunction with the appendix Figures 1-7 The drying equipment provided in the embodiments of this application will be described.

[0066] Combined with appendix Figures 1-4 As shown, this application embodiment provides a drying device 100, including a housing 10, a conveying device 20, a drying device 30, and an exhaust device 40. One end of the housing 10 is provided with an electrode inlet 11, and the other end is provided with an electrode outlet 12. The conveying device 20 is installed inside the housing 10 and is used to convey electrode 200. The drying device 30 is installed inside the housing 10 and is used to dry electrode 200. The exhaust device 40 includes a first exhaust port 41 and a second exhaust port 42 arranged at intervals along a first direction X inside the housing 10. The first exhaust port 41 is configured to have an adjustable opening area and / or the second exhaust port 42 is configured to have an adjustable opening area, or the first exhaust port 41 is configured to have an adjustable wind speed and / or the second exhaust port 42 is configured to have an adjustable wind speed. The first direction X intersects the arrangement direction from the electrode inlet 11 to the electrode outlet 12.

[0067] The housing 10 includes a bottom wall, a top wall, and side walls connected around the bottom wall and the top wall. Along the length of the housing 10 (the second direction Y in the figure), one side wall has an electrode inlet 11 and the other side wall has an electrode outlet 12. The coated electrode 200 enters the housing 10 through the electrode inlet 11, is dried by conveyor belt, and then exits through the electrode outlet 12.

[0068] The drying device 30 can include a plurality of blow nozzles 31, which in some embodiments can be two rows arranged above and below, each row including a plurality of blow nozzles 31 arranged along the arrangement direction of the pole piece inlet 11 to the pole piece outlet 12, and the two rows of blow nozzles 31 can dry the upper and lower surfaces of the pole piece 200 respectively, and the air outlet of the blow nozzle 31 passes through the pole piece 200 and is then exhausted by the exhaust device 40.

[0069] The conveying device 20 can include a plurality of conveying rollers 21, which in some embodiments can be located between two adjacent lower blow nozzles 31 to enable the pole piece 200 to be conveyed and dried between the two rows of blow nozzles 31 by rotation of the conveying rollers 21.

[0070] The exhaust device 40 includes a first exhaust port 41 and a second exhaust port 42, which are arranged along a first direction X intersecting the arrangement direction of the pole piece inlet 11 to the pole piece outlet 12, i.e., the first direction X forms an included angle greater than zero and less than or equal to ninety degrees with the second direction Y. The arrangement direction of the pole piece inlet 11 to the pole piece outlet 12 is the second direction Y in the figure.

[0071] In some embodiments, the first direction X is perpendicular to the second direction Y, and the first direction X is also parallel to the direction of the bottom surface of the bottom wall or parallel to the surface direction of the pole piece 200 on the conveying roller 21, and the first direction X can also be understood as the width direction of the box 10 or the pole piece 200 in some embodiments.

[0072] In the specific application of the drying device 100 of the present embodiment, the first direction X and the second direction Y are respectively two directions in the horizontal direction.

[0073] In addition, the exhaust device 40 can include a wind box provided with the first exhaust port 41 and the second exhaust port 42, and the side wall of the box 10 is provided with an air outlet (not shown in the figure) communicating with the first exhaust port 41 and the second exhaust port 42, and the number of air outlets is not limited, for example, two air outlets communicate with the first exhaust port 41 and the second exhaust port 42 one by one to form two air ducts.

[0074] Of course, the first exhaust port 41 and the second exhaust port 42 of the present embodiment can be directly arranged on the side wall of the box 10 (this embodiment is not shown in the figure).

[0075] The first exhaust port 41 and the second exhaust port 42 should be understood in a broad sense, and in addition to being understood as a port-like structure, they can also be understood as an air duct structure having a certain structural length along the arrangement direction of the pole piece inlet 11 to the pole piece outlet 12.

[0076] The air exhaust device 40 can further include a structure capable of guiding airflow, such as a fan (not shown in the figure), which can be installed outside the box 10 and respectively communicate with the first air exhaust port 41 and the second air exhaust port 42, for guiding the air in the box 10 out of the box 10 through the first air exhaust port 41 and the second air exhaust port 42 to perform the air exhaust operation.

[0077] The first air exhaust port 41 has an adjustable opening area, which means that the opening area of the port communicating with the inner cavity of the box 10 can be increased or decreased. Similarly, the second air exhaust port 42 also has an adjustable opening area.

[0078] When the opening area of the first air exhaust port 41 is smaller than that of the second air exhaust port 42, the airflow moves towards the second air exhaust port 42, thereby driving the pole piece 200 to move in one of the sub-directions in the first direction X.

[0079] When the opening area of the second air exhaust port 42 is smaller than that of the first air exhaust port 41, the airflow moves towards the first air exhaust port 41, thereby driving the pole piece 200 to move in the other opposite sub-direction in the first direction X.

[0080] Unlike the related art, which can only correct the deviation of the pole piece 200 outside the box 10, the present embodiment uses the change of the air outlet direction to drive the pole piece 200 to adjust the position in the first direction X, thereby reducing the possibility of deviation of the pole piece 200 during the drying process.

[0081] The first air exhaust port 41 is configured to have an adjustable opening area and / or the second air exhaust port 42 is configured to have an adjustable opening area, which includes three implementation manners. One is that the first air exhaust port 41 has an adjustable opening area, and the second air exhaust port 42 has a non-adjustable opening area. Another is that the first air exhaust port 41 has a non-adjustable opening area, and the second air exhaust port 42 has an adjustable opening area. The third is that both the first air exhaust port 41 and the second air exhaust port 42 have adjustable opening areas.

[0082] The above three technical solutions can all achieve the condition that the opening areas of the first air exhaust port 41 and the second air exhaust port 42 are large and small, so that the airflow flows towards the air exhaust port with a larger opening area, thereby driving the pole piece 200 to move in the first direction X.

[0083] Compared with the way of only adjusting the opening size of the first air exhaust port 41 or the second air exhaust port 42, setting both the first air exhaust port 41 and the second air exhaust port 42 to have adjustable areas can make the adjustment of the airflow more accurate and fine, thereby further reducing the possibility of deviation of the pole piece 200 during the drying process.

[0084] And regarding the first exhaust port 41 is configured to be adjustable and / or the second exhaust port 42 is configured to be adjustable, it can be understood to include three kinds of implementation, one is the first exhaust port 41 of the adjustable air speed, the second exhaust port 42 of the air speed is not adjustable. Another is the first exhaust port 41 of the air speed is not adjustable, the second exhaust port 42 of the air speed is adjustable. Another is the first exhaust port 41 and the second exhaust port 42 of the air speed is adjustable.

[0085] How to adjust the air speed of the first exhaust port 41, can be installed at the first exhaust port 41 of the first fan (not shown in the figure), the speed of the first fan is used to adjust the air speed of the first exhaust port 41.

[0086] Similarly, the second fan (not shown in the figure) can be installed at the second exhaust port 42, and the speed of the second fan is used to adjust the air speed of the second exhaust port 42.

[0087] When the two first exhaust port 41 and the second exhaust port 42 of the air outlet area is the same, but the air speed is different, the drying airflow in the box 10 will also flow to the side of the faster air speed, so as to change the wind direction, to adjust the position of the pole piece 200.

[0088] In combination with the accompanying Figures 5-7 As shown in some examples, the exhaust device 40 includes a first adjusting assembly 43, which is installed on the first exhaust port 41 and is used to adjust the opening area of the first exhaust port 41.

[0089] The first adjusting assembly 43 is used to adjust the opening area of the first exhaust port 41, and the structure of the first adjusting assembly 43 has many forms, as long as it can adjust the opening size of the first exhaust port 41.

[0090] For example, the first adjusting assembly 43 can be designed to include a sliding door structure or a rotating door structure (not shown in the figure above), and the opening size of the first exhaust port 41 is adjusted by the sliding door or the rotating door.

[0091] In some examples, the first adjusting assembly 43 includes a connecting frame 431 and a first adjusting mechanism 432, the connecting frame 431 is connected to the first exhaust port 41 and is provided with a first opening 4311 opposite to the first exhaust port 41 along the arrangement direction of the pole piece inlet 11 to the pole piece outlet 12 and in communication, and the first adjusting mechanism 432 is installed on the connecting frame 431 and is used to adjust the opening area of the first opening 4311.

[0092] The connecting frame 431 can be installed on the mouth wall of the first exhaust port 41, and the mouth wall can be the structure of the exhaust box described above, or the side wall of the box 10.

[0093] The connecting frame 431 can be a rectangular frame, and the specific shape can match the opening shape of the first air outlet 41 of the embodiment. The connecting frame 431 surrounds the first opening 4311, and the first opening 4311 is arranged opposite to the first air outlet 41 and directly communicates with the first air outlet 41 along the arrangement direction of the pole piece inlet 11 to the pole piece outlet 12.

[0094] The first adjusting mechanism 432 can be a sliding door or a rotating door, and the first adjusting mechanism 432 is used to adjust the opening area of the first opening 4311. The opening area of the first opening 4311 directly determines the opening area of the first air outlet 41.

[0095] In the embodiment, the first adjusting assembly 43 is designed to include the connecting frame 431 and the first adjusting mechanism 432. The connecting frame 431 is provided with the first opening 4311. The area of the first opening 4311 is adjusted indirectly to adjust the area of the first air outlet 41 by adjusting the area of the first opening 4311 through the first adjusting mechanism 432. The first adjusting mechanism 432 is directly installed on the connecting frame 431. Compared with the mode of installing the first adjusting mechanism 432 on the first air outlet 41, the installation of the first adjusting mechanism 432 can be facilitated.

[0096] In combination with the accompanying drawings, Figure 7 In some examples, the first adjusting mechanism 432 includes a plurality of first blades 4321, a first transmission structure 4322, and a first driving member 4323. The first blade 4321 is provided with a first rotating shaft 43211, the first rotating shaft 43211 is hinged to the connecting frame 431 and extends out of the connecting frame 431. The first transmission structure 4322 is connected with the plurality of first rotating shafts 43211 respectively. The first driving member 4323 is connected with the first transmission structure 4322. The first driving member 4323 drives the plurality of first rotating shafts 43211 to rotate through the first transmission structure 4322.

[0097] The plurality of first blades 4321 are arranged along the first direction X. The first blade 4321 is connected with the first rotating shaft 43211. The first rotating shaft 43211 can be located at the center of the first blade 4321 along the first direction X. The length direction (the third direction Z in the figure) of the first rotating shaft 43211 is perpendicular to the wall surface of the bottom wall.

[0098] The first transmission structure 4322 is connected with the plurality of first rotating shafts 43211 respectively. The action of the first transmission structure 4322 is configured to drive the plurality of first rotating shafts 43211 to rotate. The first driving member 4323 is connected with the first transmission structure 4322 and is used to drive the first transmission structure 4322 to act.

[0099] The rotation of multiple first rotating shafts 43211 causes multiple first blades 4321 to rotate synchronously, thereby changing the distance between two adjacent first blades 4321, and thus adjusting the opening size of the first opening 4311 and the first exhaust vent 41.

[0100] In some embodiments, when the plurality of first blades 4321 rotate to a position where the surface is parallel to the first direction X, no gap is generated between two adjacent first blades 4321. At this time, the first opening 4311 and the first exhaust port 41 are completely closed, thereby causing the airflow ejected from the drying device 30 to move toward the direction of the second exhaust port 42.

[0101] When multiple first blades 4321 rotate to the point where their surfaces are parallel to the first direction X, the gap between two adjacent first blades 4321 is at its maximum, and at this time the opening area of ​​the first opening 4311 and the first exhaust vent 41 is at its maximum.

[0102] The structure, which resembles a louver, is formed by the first blade 4321, the first transmission structure 4322, and the first driving component 4323 to adjust the area of ​​the first opening 4311, thereby adjusting the area of ​​the first exhaust vent 41. The structure is simple and the adjustment is flexible and convenient.

[0103] In some examples, optionally, the first transmission structure 4322 includes a first connecting rod 43221, a second connecting rod 43222, and a first transmission rod 43223. The plurality of first connecting rods 43221 are connected to the plurality of first rotating shafts 43211 in a one-to-one correspondence and rotate synchronously. The length direction of the first transmission rod 43223 is arranged along the first direction X and is hinged to the plurality of first connecting rods 43221 respectively. One end of the second connecting rod 43222 is hinged to the first transmission rod 43223, and the other end is connected to the first driving member 4323. The first driving member 4323 is used to drive the second connecting rod 43222 to rotate.

[0104] One end of each of the multiple first connecting rods 43221 is connected to a multiple rotating shaft in a corresponding manner and rotates synchronously. The other end of each of the multiple first connecting rods 43221 is hinged to a first transmission rod 43223. The length direction of the first transmission rod 43223 is set along the first direction X.

[0105] When the first link 43221 moves along the first direction X, it drives the first link 43221 and the first rotating shaft 43211 to rotate, causing the first blade 4321 to rotate, thereby adjusting the opening area of ​​the first opening 4311 and the first exhaust port 41.

[0106] The transmission is achieved by using a linkage structure formed by the first link 43221, the second link 43222, and the first transmission rod 43223. The structure is simple, the movement is reliable, and the adjustment accuracy is high.

[0107] Of course, the structure of the first transmission structure 4322 of the embodiment is not limited to this, for example, the first transmission structure 4322 can also include a rack and a plurality of gears, the rack is driven by the first driving member 4323 to move in the first direction X, thereby driving the plurality of gears and the first rotating shaft 43211 connected with each gear to rotate synchronously (this embodiment is not shown in the figure).

[0108] In some examples, optionally, the first driving member 4323 includes a first adjusting knob 43231, the first adjusting knob 43231 is rotatably mounted on the connecting frame 431 about its own axis, and the first adjusting knob 43231 is synchronously connected with the second connecting rod 43222.

[0109] The rotation of the first adjusting knob 43231 can be manually driven, or the rotation of the first adjusting knob 43231 can be driven by a structure such as a motor that outputs torque.

[0110] Rotating the first adjusting knob 43231 drives the second connecting rod 43222 to rotate, which can drive the first transmission rod 43223, the plurality of first connecting rods 43221, and the plurality of first blades 4321 to rotate, facilitating the operator to adjust.

[0111] In some examples, optionally, the first adjusting knob 43231 is mounted on the connecting frame 431 through a first damping rotating shaft 43232.

[0112] The first damping rotating shaft 43232 refers to the ability to generate damping force when the first adjusting knob 43231 rotates. Specifically, the first damping rotating shaft 43232 generates friction force through the extrusion between its gasket and the gasket. When the rotating object contacts the rotating shaft, the friction force will produce a damping effect, slowing down the movement speed of the rotating object, thereby preventing unnecessary rotation after rotation.

[0113] Compared with ordinary rotating shafts, the first damping rotating shaft 43232 can keep the first adjusting knob 43231 in the state after rotation, and the operator needs to exert a certain force to drive the first adjusting knob 43231 to continue to rotate,

[0114] When the first adjusting knob 43231 is kept in the position after rotation, the first blades 4321 maintain the adjusted state, reducing the possibility of unnecessary rotation of the first blades 4321 under the influence of air flow, and maintaining the area of the first air outlet 41 after adjustment.

[0115] Again, in combination with the accompanying Figures 1-3 In some examples, optionally, the side wall of the box body 10 on one side in the first direction X is provided with an openable and closable door body 13, and the first adjusting knob 43231 is located at one end of the connecting frame 431 close to the door body 13.

[0116] The door body 13 can be installed on the side wall of the box body 10 through a hinge or the like, or be a pull-out door or the like, which will not be described in detail in this embodiment.

[0117] The door body 13 is used for maintenance of the internal structure of the box body 10 by an operator, and the first adjusting knob 43231 is designed to be close to the door body 13, so that the operator can conveniently contact the first adjusting knob 43231 after opening the door body 13, and conveniently operate.

[0118] In some examples, the air exhaust device 40 optionally comprises a second adjusting assembly 44, which is installed at the second air exhaust port 42 and is used for adjusting the opening area of the second air exhaust port 42.

[0119] The second adjusting assembly 44 is installed at the second air exhaust port 42, and the opening area of the second air exhaust port 42 can be adjusted by using the second adjusting assembly 44.

[0120] The second adjusting assembly 44 has the same or similar adjusting principle as the first adjusting assembly 43, which will not be described in detail in this embodiment.

[0121] In some examples, the air exhaust device 40 optionally comprises a first adjusting assembly 43, the first adjusting assembly 43 comprises a connecting frame 431 and a first adjusting mechanism 432, the second adjusting assembly 44 comprises a second adjusting mechanism 441, the connecting frame 431 is provided with a first opening 4311 and a second opening 4312, along the arrangement direction of the pole piece inlet 11 to the pole piece outlet 12, the first opening 4311 is opposite and communicated with the first air exhaust port 41, the second opening 4312 is opposite and communicated with the second air exhaust port 42, the first adjusting mechanism 432 is installed on the connecting frame 431 and is used for adjusting the opening area of the first opening 4311, and the second adjusting mechanism 441 is installed on the connecting frame 431 and is used for adjusting the opening area of the second opening 4312.

[0122] The length direction of the connecting frame 431 can extend along the first direction X, the connecting frame 431 surrounds the first opening 4311 and the second opening 4312, and the first adjusting mechanism 432 and the second adjusting mechanism 441 are both installed on the connecting frame 431, so that the installation structure of the second adjusting mechanism 441 is not needed, and the overall structure of the air exhaust device 40 is simplified.

[0123] Moreover, when installed, the connection of the connecting frame 431 and the air exhaust box or the side wall can realize the installation of the first adjusting assembly 43 and the second adjusting assembly 44, and the assembly efficiency is improved.

[0124] In some examples, the second adjusting mechanism 441 optionally comprises a plurality of second vanes 4411, a second transmission structure 4412 and a second driving member 4413. The second vanes 4411 are provided with second rotating shafts 44111 which are hinged to the connecting frame 431 and extend outwardly from the connecting frame 431. The second transmission structure 4412 is connected to the plurality of second rotating shafts 44111 respectively. The second driving member 4413 is connected to the second transmission structure 4412. The second driving member 4413 drives the plurality of second rotating shafts 44111 to rotate through the second transmission structure 4412.

[0125] In some embodiments, the second adjusting mechanism 441 can comprise third connecting rods 44121, a fourth connecting rod 44122 and a second transmission rod 44123. One end of the plurality of third connecting rods 44121 is connected to the plurality of second rotating shafts 44111 respectively and synchronously. The other end of the plurality of third connecting rods 44121 is hinged to the second transmission rod 44123. One end of the fourth connecting rod 44122 is hinged to the second transmission rod 44123. The other end of the fourth connecting rod 44122 is connected to the second driving member 4413.

[0126] Since the second adjusting mechanism 441 has the same or similar structure and principle as the aforementioned first adjusting mechanism 432, the present embodiment will not be described in detail.

[0127] The second vanes 4411, the second transmission structure 4412 and the second driving member 4413 form a shutter to adjust the area of the second opening 4312, thereby adjusting the area of the second air outlet 42. The structure is simple and the adjustment is flexible and convenient.

[0128] In some examples, the second driving member 4413 optionally comprises a second adjusting knob 44131. The side wall of the cabinet 10 on one side of the first direction X is provided with an openable door 13. The second adjusting knob 44131 is located at one end of the connecting frame 431 close to the door 13.

[0129] The second adjusting knob 44131 can be installed on the connecting frame 431 through a second damping rotating shaft 44132, so that after the second adjusting knob 44131 drives the second vanes 4411 to rotate, the second vanes 4411 can maintain the adjusted state.

[0130] The second adjusting knob 44131 and the aforementioned second adjusting knob 44131 are both designed to be close to the door 13. After the door 13 is opened, the operator can conveniently operate the second adjusting knob 44131.

[0131] Again in combination with FIGS. 4A and 4B, Figure 3 and 4 In some examples, the air exhaust device 40 further comprises a third air outlet 45. In the first direction X, the third air outlet 45 is located between the first air outlet 41 and the second air outlet 42.

[0132] When the third air outlet 45 is provided, a third opening 4313 can be correspondingly provided on the connecting frame 431 of the present embodiment, the third opening 4313 is opposite and communicates with the third air outlet 45, and the third opening 4313 is located between the first opening 4311 and the second opening 4312.

[0133] When the third air outlet 45 is provided, a third opening 4313 can be correspondingly provided on the connecting frame 431 of the present embodiment, the third opening 4313 is opposite and communicates with the third air outlet 45, and the third opening 4313 is located between the first opening 4311 and the second opening 4312.

[0134] Of course, the third air outlet 45 of the present embodiment can also be designed to have an adjustable opening area (not shown in the figure), and the principles and structures of adjustment can refer to the first air outlet 41 and the second air outlet 42 described above. This embodiment will not be described here.

[0135] Finally, please refer to the attached Figures 1-7As shown, the embodiment of the present application provides a drying equipment 100, which comprises a box body 10, a conveying device 20, a drying device 30 and an exhaust device 40. One end of the box body 10 is provided with a pole piece inlet 11, and the other end is provided with a pole piece outlet 12. The conveying device 20 is installed in the box body 10 and is used for conveying pole pieces 200. The drying device 30 is installed in the box body 10 and is used for drying the pole pieces 200. The exhaust device 40 comprises a first exhaust port 41 and a second exhaust port 42 which are arranged in the box body 10 along a first direction X. The first exhaust port 41 is configured to have an adjustable opening area, or the first exhaust port 41 is configured to have an adjustable air speed and / or the second exhaust port 42 is configured to have an adjustable air speed. The first direction X intersects with the arrangement direction of the pole piece inlet 11 to the pole piece outlet 12. The exhaust device 40 comprises a first adjusting assembly 43 which is installed on the first exhaust port 41 and is used for adjusting the opening area of the first exhaust port 41. The first adjusting assembly 43 comprises a connecting frame 431 and a first adjusting mechanism 432. The connecting frame 431 is connected to the first exhaust port 41 and is provided with a first opening 4311 which is opposite to the first exhaust port 41 along the arrangement direction of the pole piece inlet 11 to the pole piece outlet 12 and is in communication with the first exhaust port 41. The first adjusting mechanism 432 is installed on the connecting frame 431 and is used for adjusting the opening area of the first opening 4311. The first adjusting mechanism 432 comprises a plurality of first blades 4321, a first transmission structure 4322 and a first driving member 4323. The first blade 4321 is provided with a first rotating shaft 43211 which is hinged to the connecting frame 431 and extends out of the connecting frame 431. The first transmission structure 4322 is connected with the plurality of first rotating shafts 43211 respectively. The first driving member 4323 is connected with the first transmission structure 4322. The first driving member 4323 drives the plurality of first rotating shafts 43211 to rotate through the first transmission structure 4322. The first transmission structure 4322 comprises a first connecting rod 43221, a second connecting rod 43222 and a first transmission rod 43223. The plurality of first connecting rods 43221 are connected with the plurality of first rotating shafts 43211 one by one and rotate synchronously. The first transmission rod 43223 is arranged along the first direction X in the length direction and is hinged with the plurality of first connecting rods 43221 respectively. One end of the second connecting rod 43222 is hinged with the first transmission rod 43223, and the other end is connected with the first driving member 4323. The first driving member 4323 is used for driving the second connecting rod 43222 to rotate. The first driving member 4323 comprises a first adjusting knob 43231 which is installed on the connecting frame 431 in a manner that can rotate around its own axis. The first adjusting knob 43231 is synchronously connected with the second connecting rod 43222. The first adjusting knob 43231 is installed on the connecting frame 431 through a first damping rotating shaft 43232. The sidewall of the box body 10 on one side along the first direction X is provided with an openable and closable door 13. The first adjusting knob 43231 is located at one end of the connecting frame 431 close to the door 13.The second air outlet 42 is configured to have an adjustable opening area. The air exhaust device 40 comprises a second adjusting assembly 44, which is installed on the second air outlet 42 and used to adjust the opening area of the second air outlet 42. The air exhaust device 40 comprises a first adjusting assembly 43, which comprises a connecting frame 431 and a first adjusting mechanism 432, and the second adjusting assembly 44 comprises a second adjusting mechanism 441. The connecting frame 431 is provided with a first opening 4311 and a second opening 4312. In the arrangement direction from the pole piece inlet 11 to the pole piece outlet 12, the first opening 4311 is opposite to and communicates with the first air outlet 41, and the second opening 4312 is opposite to and communicates with the second air outlet 42. The first adjusting mechanism 432 is installed on the connecting frame 431 and used to adjust the opening area of the first opening 4311. The second adjusting mechanism 441 is installed on the connecting frame 431 and used to adjust the opening area of the second opening 4312. The second adjusting mechanism 441 comprises a plurality of second blades 4411, a second transmission structure 4412 and a second driving member 4413. The second blade 4411 is provided with a second rotating shaft 44111, which is hinged to the connecting frame 431 and extends out of the connecting frame 431. The second transmission structure 4412 is connected with the plurality of second rotating shafts 44111 respectively. The second driving member 4413 is connected with the second transmission structure 4412. The second driving member 4413 drives the plurality of second rotating shafts 44111 to rotate through the second transmission structure 4412. The second driving member 4413 comprises a second adjusting knob 44131. The side wall of the box body 10 on one side in the first direction X is provided with an openable and closable door body 13. The second adjusting knob 44131 is located at one end of the connecting frame 431 close to the door body 13. The air exhaust device 40 further comprises a third air outlet 45. In the first direction X, the third air outlet 45 is located between the first air outlet 41 and the second air outlet 42.

[0136] In the second aspect, the embodiments of the present application provide a battery production system, which comprises the drying device 100 according to any one of the above technical solutions.

[0137] In some embodiments, the battery production system can further comprise a coating device and a slitting device (not shown in the figure). The coating device is used to coat the pole piece. The drying device 100 is used to dry the coated pole piece. The slitting device is used to cut the dried pole piece.

[0138] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0139] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the same; although the present application has been described in detail with reference to the foregoing examples, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacements for some of the technical features, but these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A drying device, characterized in that, include: The housing has an electrode inlet at one end and an electrode outlet at the other end. A conveying device is installed inside the housing and is used to convey the electrode sheets; A drying device is installed inside the chamber and is used to dry the electrode sheets; as well as The ventilation device includes a first exhaust port and a second exhaust port arranged at intervals along a first direction within the housing. The first exhaust port is configured to have an adjustable opening area and / or the second exhaust port is configured to have an adjustable opening area, or the first exhaust port is configured to have an adjustable wind speed and / or the second exhaust port is configured to have an adjustable wind speed. The first direction intersects the arrangement direction from the electrode inlet to the electrode outlet.

2. The drying equipment according to claim 1, characterized in that, The exhaust device includes a first adjustment component, which is installed at the first exhaust port and is used to adjust the opening area of ​​the first exhaust port.

3. The drying equipment according to claim 2, characterized in that, The first adjustment component includes a connecting frame and a first adjustment mechanism. The connecting frame is connected to the first exhaust port and has a first opening that is opposite to and communicates with the first exhaust port along the arrangement direction from the electrode inlet to the electrode outlet. The first adjustment mechanism is installed on the connecting frame and is used to adjust the opening area of ​​the first opening.

4. The drying equipment according to claim 3, characterized in that, The first adjustment mechanism includes a plurality of first blades, a first transmission structure and a first driving member. The first blades are provided with a first rotating shaft, which is hinged to the connecting frame and extends out of the connecting frame. The first transmission structure is connected to the plurality of first rotating shafts respectively. The first driving member is connected to the first transmission structure. The first driving member drives the plurality of first rotating shafts to rotate through the first transmission structure.

5. The drying equipment according to claim 4, characterized in that, The first transmission structure includes a first connecting rod, a second connecting rod, and a first transmission rod. The plurality of first connecting rods are connected to the plurality of first rotating shafts one by one and rotate synchronously. The length direction of the first transmission rod is arranged along the first direction and is respectively hinged to the plurality of first connecting rods. One end of the second connecting rod is hinged to the first transmission rod, and the other end is connected to the first driving member. The first driving member is used to drive the second connecting rod to rotate.

6. The drying equipment according to claim 5, characterized in that, The first driving component includes a first adjusting knob, which is rotatably mounted on the connecting frame about its own axis, and the first adjusting knob is synchronously rotatably connected to the second connecting rod.

7. The drying equipment according to claim 6, characterized in that, The first adjustment knob is mounted on the connecting frame via a first damping shaft.

8. The drying equipment according to claim 6, characterized in that, The housing has an openable and closable door on one side wall along the first direction, and the first adjustment knob is located at one end of the connecting frame near the door.

9. The drying equipment according to any one of claims 1-8, characterized in that, The exhaust device includes a second adjustment component, which is installed at the second exhaust port and is used to adjust the opening area of ​​the second exhaust port.

10. The drying equipment according to claim 9, characterized in that, The exhaust device includes a first adjustment component, which includes a connecting frame and a first adjustment mechanism. The second adjustment component includes a second adjustment mechanism. The connecting frame has a first opening and a second opening along the arrangement direction from the electrode inlet to the electrode outlet. The first opening is opposite to and communicates with the first exhaust port, and the second opening is opposite to and communicates with the second exhaust port. The first adjustment mechanism is installed on the connecting frame and is used to adjust the opening area of ​​the first opening. The second adjustment mechanism is installed on the connecting frame and is used to adjust the opening area of ​​the second opening.

11. The drying equipment according to claim 10, characterized in that, The second adjustment mechanism includes multiple second blades, a second transmission structure, and a second driving member. The second blades are provided with a second rotating shaft, which is hinged to the connecting frame and extends out of the connecting frame. The second transmission structure is connected to the multiple second rotating shafts respectively, and the second driving member is connected to the second transmission structure. The second driving member drives the multiple second rotating shafts to rotate through the second transmission structure.

12. The drying equipment according to claim 11, characterized in that, The second drive component includes a second adjustment knob, and the housing has an openable and closable door on one side wall along the first direction. The second adjustment knob is located at one end of the connecting frame near the door.

13. The drying equipment according to any one of claims 1-8, characterized in that, The ventilation device further includes a third exhaust port, which is located between the first exhaust port and the second exhaust port along the first direction.

14. A battery production system, characterized in that, Includes the drying equipment as described in any one of claims 1-13.

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