Powder injection device

Abstract

The utility model discloses a powder injection device, and relates to the technical field of battery processing equipment, and the powder injection device comprises a rack, a turntable, a material receiving container and a powder injection driving assembly; the rotating disc is rotatably arranged on the rack and comprises a plurality of unit discs which are mutually spliced into a ring shape, each unit disc is provided with a mounting position, and one mounting position is configured to be capable of mounting one powder injection device; the material receiving container is arranged on the rack and located below the rotary disc, and the rotary disc rotates so that the powder injection devices can move to the position above the material receiving container one by one. The powder injection driving assembly is arranged on the rack and is configured to drive the powder injector located above the material receiving container to conduct discharging. According to the technical scheme, the problem that the number of discharging channels cannot be increased in a limited space can be solved, and the use flexibility is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of battery processing equipment, in particular to a powder injection device. BACKGROUND

[0002] With the development of human society, the research and application of new materials have become an important hotspot in the field of contemporary scientific research, and high-throughput synthesis technology is one of the important means of chemical and new material research. The technology can not only improve the synthesis efficiency of materials, but also effectively accelerate the discovery and research and development process of new materials.

[0003] In the related art, the powder injection device has a fixed design of the discharging channel, and the number of discharging channels cannot be increased in a limited space, lacking flexibility in use. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, the application provides a powder injection device, which aims to solve the problem that the number of discharging channels cannot be increased in a limited space, so as to improve the flexibility in use.

[0005] The application provides a powder injection device, which comprises a rack, a rotating disc, a receiving container and a powder injection driving assembly. The rotating disc is rotatably arranged on the rack and comprises a plurality of unit discs arranged in a ring shape by being spliced with each other. The unit disc is provided with a mounting position, and one mounting position is configured to be capable of mounting one powder injector. The receiving container is arranged on the rack and located below the rotating disc. The rotating disc rotates to move the plurality of powder injectors to above the receiving container one by one. The powder injection driving assembly is arranged on the rack and is configured to drive the powder injector above the receiving container to discharge.

[0006] In the technical scheme of the application, the rotating disc is used as a carrier, the rotating disc is composed of a plurality of unit discs which can be arranged in a ring shape by being spliced with each other, the unit disc is provided with a mounting position for mounting the powder injector, and the plurality of powder injectors can be moved to above the receiving container one by one under the rotation of the rotating disc. Meanwhile, the powder injection driving assembly can drive the powder injector above the receiving container to discharge, so that the raw materials in different types of powder injectors can fall into the receiving container below. The rotating disc arranged in a ring shape by being spliced with a corresponding number of unit discs can be selected according to the number of types of powder injectors, so that different types of powder injectors can be mounted on the mounting positions of the plurality of unit discs. The number of mounting positions can be increased by replacing unit discs with different numbers and sizes in a limited space, so that the number of powder injectors can be increased, the number of discharging channels can be increased, the problem that the number of discharging channels cannot be increased in a limited space is solved, the flexibility in use is improved, the effects of customization and high throughput are achieved. In addition, compared with the manual powder injection method, the application can mount a plurality of powder injectors on the mounting positions of the plurality of unit discs at one time to realize feeding, and then perform powder injection, so that the efficiency is higher.

[0007] In some embodiments, the mounting hole is provided with a mounting through hole, and a powder injector can be arranged in the mounting through hole. In this way, the powder injector can be directly arranged in the corresponding mounting through hole, which is more convenient for mounting the powder injector and enables the powder injector to partially extend below the unit tray so that the discharge port of the powder injector is closer to the lower receiving container, and the raw material discharged from the discharge port of the powder injector can smoothly fall into the receiving container.

[0008] In some embodiments, the unit tray is provided with a plurality of mounting through holes arranged at intervals. In this way, a plurality of powder injectors of different models can be assembled at the mounting through holes of the unit tray according to the usage amount of the formula powder, so as to improve the throughput.

[0009] In some embodiments, the unit tray is provided with at least two mounting through holes arranged at intervals in the circumferential direction and / or at least two mounting through holes arranged at intervals in the radial direction. In this way, the number of mounting through holes can be as large as possible in the limited space of the unit tray to meet the assembly of powder injectors of more models, so as to further improve the throughput.

[0010] In some embodiments, the mounting hole is provided with a mounting through hole, and a powder injector can be arranged in the mounting through hole. In this way, the powder injector can be directly arranged in the corresponding mounting through hole, which is more convenient for mounting the powder injector and enables the powder injector to partially extend below the unit tray so that the discharge port of the powder injector is closer to the lower receiving container, and the raw material discharged from the discharge port of the powder injector can smoothly fall into the receiving container.

[0011] In some embodiments, a plurality of buffer support columns are arranged between the mounting rack and the unit tray and arranged at intervals in the circumferential direction of the mounting through hole. In this way, when the powder injection driving assembly drives the powder injector to discharge, the powder injector will be subjected to a downward pressure, and at this time, the buffer support columns can apply an elastic force to the powder injector to buffer the powder injector, so as to prevent the powder injector from being damaged due to excessive downward pressure.

[0012] In some embodiments, the powder injection device further comprises a first driving member, and the first driving member comprises a first driving motor and a mounting disc. The first driving motor is arranged on the rack, and the mounting disc is drivingly connected to the first driving motor. The first driving motor drives the mounting disc to rotate, and the plurality of unit trays are connected to the periphery of the mounting disc and are mutually spliced into a rotating disc in the circumferential direction of the mounting disc. In this way, the plurality of unit trays can be mounted on the periphery of the mounting disc, which is more convenient for mutually splicing the plurality of unit trays into a rotating disc arranged in a ring shape. Moreover, under the driving of the first driving motor, the mounting disc can be driven to rotate, and then the rotating disc can be driven to rotate by the mounting disc, so as to realize the stable rotation of the rotating disc.

[0013] In some embodiments, the powder injection device further comprises a scanner, which is arranged on the rack and has a scanning opening facing upwardly to the receiving container, and is configured to detect the powder injector above the receiving container. In this way, the position of the powder injector can be identified by the scanner, so that the powder injector can be placed at will when being installed on the rotating disc, without the need to place the powder injector at a specified position, and the mistake of manual feeding can be prevented.

[0014] In some embodiments, the powder injector comprises a powder injection bottle and a screw rod, the powder injection bottle is arranged on the mounting position and has a discharge opening, and is configured to contain raw materials, and the screw rod is arranged in the powder injection bottle, and the powder injection driving assembly is configured to drive the screw rod to rotate and lift to open or block the discharge opening. In this way, when the powder injection is not needed, the lower end of the screw rod is located in the powder injection bottle, and the lower end of the screw rod is matched with the discharge opening to block the discharge opening; when the powder injection is needed, the powder injection driving assembly drives the screw rod to descend, so that the lower end of the screw rod is exposed from the discharge opening to open the discharge opening of the powder injection bottle, and the screw rod is driven to rotate, and the raw materials in the powder injection bottle are gradually sent out from the discharge opening under the rotation of the screw rod, so that the powder injection of the powder injector is accurate.

[0015] In some embodiments, the powder injection driving assembly comprises a second driving member and a transmission member, the second driving member is arranged on the rack, and the transmission member is in transmission connection with the second driving member, and the second driving member is configured to drive the transmission member to rotate and lift, and the transmission member is configured to drive the screw rod to rotate and lift. In this way, the transmission member can be driven to rotate and lift under the driving of the second driving member, and the screw rod can be driven to rotate and lift more stably through the transmission member.

[0016] In some embodiments, the transmission member abuts against the top of the screw rod and is in meshing connection with the screw rod. In this way, when the transmission member is driven to descend by the second driving member, the screw rod can be pressed down by the transmission member to be driven to descend, and when the transmission member is driven to rotate by the second driving member, the screw rod can be smoothly driven to rotate under the meshing transmission.

[0017] In some embodiments, the second driving member comprises a translation driving structure, a lifting driving structure and a rotation driving structure; the translation driving structure is arranged on the rack; the lifting driving structure is in transmission connection with the translation driving structure, and the translation driving structure drives the lifting driving structure to move along the radial direction of the rotating disc; the rotation driving structure is in transmission connection with the lifting driving structure, and the lifting driving structure drives the rotation driving structure to lift and lower; and the transmission member is in transmission connection with the rotation driving structure, and the rotation driving structure drives the transmission member to rotate. With such a design, the transmission member can be driven to move along the radial direction of the rotating disc under the driving of the translation driving structure, so that the powder injection driving assembly can be applied to powder injectors at different positions in the radial direction of the rotating disc; and the transmission member can be driven to rotate and lift under the driving of the lifting driving structure and the rotation driving structure, so that the screw rod can be stably driven to rotate and lift through the transmission member.

[0018] In some embodiments, the lifting driving structure comprises a first lifting structure and a second lifting structure; the first lifting structure is in transmission connection with the translation driving structure, and the translation driving structure drives the first lifting structure to move along the radial direction of the rotating disc; the second lifting structure is in transmission connection with the first lifting structure, and the first lifting structure drives the second lifting structure to lift and lower; and the rotation driving structure is in transmission connection with the second lifting structure. With such a design, when the powder injector needs to be disassembled and assembled, the transmission member can be driven to lift and lower in a large range through the first lifting structure; and when the transmission member drives the screw rod to lift and lower, only a small range of lifting and lowering is needed, and at this time, the transmission member can be driven to lift and lower accurately through the second lifting structure, so as to improve the accuracy of the lifting and lowering of the screw rod driven by the transmission member.

[0019] In some embodiments, the powder injection device further comprises a weighter, the weighter is arranged on the rack, and the receiving container is placed on the weighter, and the weighter is configured to weigh the weight of the receiving container. With such a design, the weighter can be used to weigh the receiving container simultaneously during the powder injection process of the powder injector, so as to accurately control the powder injection amount of the powder injector.

[0020] In some embodiments, the rack comprises a mounting plate and a support frame; the mounting plate is provided with a guide rail extending along the radial direction of the rotating disc, and the weighter is provided with a sliding block in sliding cooperation with the guide rail; the support frame is arranged on one side of the mounting plate, and the rotating disc and the powder injection driving assembly are arranged on the support frame. With such a design, the positions of the weighter and the receiving container can be adjusted according to the position of the powder injector under the cooperation of the guide rail and the sliding block, so that the receiving container is accurately positioned below the corresponding powder injector, thereby improving the flexibility of use.

[0021] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, the specific embodiments of the present application can be implemented in accordance with the content of the description, and in order to make other purposes, features and advantages of the present application more obvious and easy to understand, the following specific embodiments of the present application are described. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structure shown in the drawings without creative labor.

[0023] Figure 1 Structure schematic view of an embodiment of the powder injection device of the present application from one perspective;

[0024] Figure 2 Structure schematic view of an embodiment of the powder injection device of the present application from another perspective; Figure 1

[0025] Figure 3 Structure schematic view of an embodiment of the powder injection device of the present application from another perspective;

[0026] Figure 4 Front view of an embodiment of the powder injection device of the present application;

[0027] Figure 5 Right view of an embodiment of the powder injection device of the present application;

[0028] Figure 6 Left view of an embodiment of the powder injection device of the present application;

[0029] Figure 7 Top view of an embodiment of the powder injection device of the present application;

[0030] Figure 8 Partial structure schematic view of an embodiment of the powder injection device of the present application.

[0031] Explanation of the reference signs:

[0032] Reference Name Reference Name 100 Powder injection device 50 Powder injection driving assembly 10 Rack 51 Second driving member 11 Mounting plate 511 Translation driving structure 111 Guide rail 512 Lifting driving structure 12 Support frame 5121 First lifting structure 20 Rotary disc 5122 Second lifting structure 21 Unit disc 513 Rotation driving structure 21a Mounting through hole 52 Transmission member 211 Mounting frame 60 First driving member 212 Buffer support column 61 First driving motor 30 Powder injector 62 Mounting disc 31 Powder injection bottle 70 Scanner 311 Discharge port 80 Weigher 32 Screw rod 81 Sliding block 40 Material receiving container

[0033] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0034] The embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0035] ​Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the use of the terms "including," "comprising," "having" and "with" in the specification and claims, along with their derivatives, are meant to be interpreted as specifying inclusion of the referenced elements, but not exclusion of any other elements.

[0036] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified.

[0037] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The occurrence of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a separate or alternative embodiment. It will be explicitly understood by one of ordinary skill in the art that the embodiments described herein can be combined with other embodiments.

[0038] In the description of the embodiments of the present application, the term "a plurality of" refers to two or more (including two), and similarly, "a plurality of groups" refers to two or more groups (including two groups), and "a plurality of pieces" refers to two or more pieces (including two pieces).

[0039] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as limiting the embodiments of the present application, which do not indicate or imply that the devices or components referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0040] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connecting", "connecting", "fixing", and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0041] With the development of human society, the research and application of new materials has become an important hotspot in the field of contemporary scientific research, and high-throughput synthesis technology is one of the important means of chemical and new material research. This technology not only can greatly improve the efficiency of material synthesis, but also can effectively accelerate the discovery and research and development process of new materials. In the traditional material preparation process, the rapid and accurate weighing of raw material powder usually requires a large amount of manual operation, which inevitably causes low efficiency and low precision. Under the background of the continuous development of mechanical automation control level, the research and development and use of high-throughput powder injection device will greatly improve the efficiency, precision, consistency and safety of the material preparation process.

[0042] In the related art, the powder injection device is driven and connected with the synchronous unit by a plurality of powder discharge screws, so that the powders in the plurality of discharge channels can be discharged synchronously. However, the plurality of discharge channels are fixedly designed, and the number of discharge channels cannot be increased in a limited space, lacking flexibility in use.

[0043] Based on the above problems, the present application provides a powder injection device 100, which aims to solve the problem of inability to increase the number of discharge channels in a limited space, thereby improving the flexibility in use. The following will be described in detail in combination with specific drawings and embodiments.

[0044] Please refer to Figures 1-3 In an embodiment of the present application, the powder injection device 100 includes a rack 10, a turntable 20, a receiving container 40, and a powder injection driving assembly 50. The turntable 20 is rotatably arranged on the rack 10 and includes a plurality of unit plates 21 arranged in a ring shape by being spliced with each other. The unit plate 21 is provided with a mounting position configured to be capable of mounting a powder injector 30. The receiving container 40 is arranged on the rack 10 and located below the turntable 20. The turntable 20 rotates to move the plurality of powder injectors 30 one by one above the receiving container 40. The powder injection driving assembly 50 is arranged on the rack 10 and configured to drive the powder injector 30 above the receiving container 40 to discharge.

[0045] The rack 10 refers to a support structure for mounting parts such as the turntable 20, the receiving container 40, and the powder injection driving assembly 50, which is a support carrier of the entire powder injection device 100.

[0046] The rotating disc 20 refers to a circular disc formed by mutually splicing a plurality of unit discs 21, and the rotating disc 20 can be a whole circular disc or a non-whole circular ring structure. The shape of the unit disc 21 includes but is not limited to a fan shape, a rectangular shape, a triangular shape, a prismatic shape, a circular shape, an elliptical shape, a polygonal shape, etc., and the shapes and sizes of the plurality of unit discs 21 can be the same or different, as long as they can be mutually spliced into the rotating disc 20 arranged in a ring shape. After the plurality of unit discs 21 are spliced into the rotating disc 20, a connecting block can be used to connect two adjacent unit discs 21 together. One or at least two mounting positions can be provided on each unit disc 21, that is, one or at least two powder injectors 30 can be mounted on each unit disc 21.

[0047] In an embodiment, during the preparation of the electrolyte solution, according to the types and quantities of lithium salts and additive powders required by the electrolyte formula, the unit discs 21 of appropriate mounting positions are spliced; for example, the first group requires five types of lithium salts A, B, C, D, and E, and then an appropriate number of unit discs 21 are combined, so that the powder injectors 30 on the rotating disc 20 are provided with the five types of lithium salts A, B, C, D, and E for electrolyte preparation; then, the second group requires eight types of lithium salts A, B, F, G, H, I, J, and K, and then the unit discs 21 loaded with the three types of lithium salts C, D, and E are removed on the basis of the first group, an appropriate number of unit discs 21 are selected and loaded with the six types of lithium salts F, G, H, I, J, and K, and finally combined with the unit discs 21 loaded with the lithium salts A and B in the previous round, to obtain a new rotating disc 20 combined with A, B, F, G, H, I, J, and K. Therefore, the present scheme realizes the design scheme of customization and high-throughput powder injection through the splitting / combining mode. In addition, the capacity of the powder injector 30 can be customized and selected, and different capacities of the powder injector 30 can be selected according to the differences between the main salts and additives in the A, B, C, D, and E powders.

[0048] The powder injector 30 refers to a container for containing raw materials, and the powder injector 30 can be used to contain raw materials in the form of powder, liquid, and particles, etc., which can be determined according to the actual use.

[0049] The receiving container 40 refers to a container for receiving raw materials falling from the powder injector 30 and mixing different types of raw materials.

[0050] The powder injection driving assembly 50 refers to a structure for driving the raw materials in the powder injector 30 to output to the receiving container 40. The powder injection driving assembly 50 can be a motor, a structure of a motor cooperating with a gear rack, a structure of a motor cooperating with a rotating wheel and a belt, etc., as long as it can drive the raw materials in the powder injector 30 to output to the receiving container 40.

[0051] In summary, in the technical scheme of the embodiment of the application, the technical scheme of the application adopts the turntable 20 as a carrier, wherein the turntable 20 is composed of a plurality of unit discs 21 that can be spliced into a ring shape, the unit disc 21 is provided with a mounting position, the mounting position is used for mounting the powder injection device 30, under the rotation of the turntable 20, a plurality of powder injection devices 30 can be moved one by one to above the receiving container 40, and meanwhile, the powder injection driving assembly 50 can drive the powder injection device 30 located above the receiving container 40 to discharge, so that the raw materials in different kinds of powder injection devices 30 fall into the receiving container 40 below. Wherein, according to the number of kinds of powder injection devices 30, a corresponding number of unit discs 21 can be spliced into a ring-shaped turntable 20, so as to mount different kinds of powder injection devices 30 on the mounting positions of a plurality of unit discs 21, and the number of mounting positions can be increased by replacing unit discs 21 of different numbers and sizes in a limited space, so as to increase the mounting number of powder injection devices 30, that is, the number of discharge channels can be increased, thereby solving the problem that the number of discharge channels cannot be increased in a limited space, improving the use flexibility, and realizing the effects of customization and high throughput. In addition, compared with the mode of manually taking materials in sequence for powder injection, the present application can mount a plurality of powder injection devices 30 on the mounting positions of a plurality of unit discs 21 to realize feeding at one time, and then perform powder injection, which is more efficient.

[0052] Please refer to Figure 1 , Figure 3 In an embodiment of the application, the mounting position is provided with a mounting through hole 21a, and one powder injection device 30 can be arranged in one mounting through hole 21a.

[0053] The mounting through hole 21a is a through hole penetrating from the top surface to the bottom of the unit disc 21, when the powder injection device 30 is arranged in the corresponding mounting through hole 21a, the powder injection device 30 can be in interference fit with the mounting through hole 21a, or in clearance fit with the mounting through hole 21a. The shape of the mounting through hole 21a includes but is not limited to a circle, an ellipse, a triangle, a rectangle, a polygon and the like.

[0054] Such design can directly arrange the powder injection device 30 in the corresponding mounting through hole 21a, which is more convenient for mounting the powder injection device 30, and at the same time, makes part of the powder injection device 30 extend to below the unit disc 21, so that the discharge port 311 of the powder injection device 30 is closer to the receiving container 40 below, and the raw materials output from the discharge port 311 of the powder injection device 30 can fall into the receiving container 40 smoothly.

[0055] Please refer to Figure 1 , Figure 3 , Figure 7 In an embodiment of the application, the unit disc 21 is provided with a plurality of mounting through holes 21a distributed at intervals.

[0056] The shapes and sizes of the plurality of mounting holes 21a on the unit disc 21 can be the same or different. The number, shape and size of the mounting holes 21a on different unit discs 21 can be the same or different.

[0057] Such a design can assemble various types of powder injectors 30 at the plurality of mounting holes 21a of the unit disc 21 according to the usage amount of the formula powder, so as to improve the throughput.

[0058] Referring to Figure 1 , Figure 3 , Figure 7 In an embodiment of the present application, the unit disc 21 is circumferentially spaced apart by at least two mounting holes 21a; and / or, the unit disc 21 is radially spaced apart by at least two mounting holes 21a.

[0059] Such a design can set as many mounting holes 21a as possible in the limited space of the unit disc 21 to meet the assembly of more types of powder injectors 30, so as to further improve the throughput.

[0060] Referring to Figure 1 In an embodiment of the present application, the mounting holes 21a are provided with a mounting rack 211, and the powder injector 30 is fixed to the mounting rack 211.

[0061] The mounting rack 211 refers to a structural member for fixing and mounting the powder injector 30. The powder injector 30 can be fixed on the mounting rack 211 by interference fit, clamping, screw connection, etc.

[0062] Such a design can be used to fix and mount the powder injector 30 by setting the mounting rack 211, so as to improve the mounting reliability of the powder injector 30 and prevent the powder injector 30 from being displaced or even falling off during the powder injection process.

[0063] Referring to Figure 1 In an embodiment of the present application, a plurality of buffer support columns 212 are provided between the mounting rack 211 and the unit disc 21, and the plurality of buffer support columns 212 are circumferentially spaced apart along the mounting holes 21a.

[0064] The buffer support column 212 refers to a structural member for supporting and fixing the mounting rack 211 above the unit disc 21. When the powder injector 30 is subjected to a downward pressure, the buffer support column 212 has a buffering effect. In some embodiments, the buffer support column 212 can include a support column and a buffer spring provided at both ends of the support column. One end of the buffer spring is connected to the unit disc 21, and the other end of the buffer spring is connected to the mounting rack 211.

[0065] When the powder injection driving assembly 50 drives the powder injection device 30 to unload, the powder injection device 30 will be subjected to a downward pressure, and at this time, the buffer support member can apply an elastic force to the powder injection device 30 to buffer the powder injection device 30, so as to prevent the powder injection device 30 from being damaged due to excessive downward pressure.

[0066] Please refer to Figure 3 、 Figure 8 In an embodiment of the present application, the powder injection device 100 further comprises a first driving member 60, the first driving member 60 comprising a first driving motor 61 and a mounting disc 62; the first driving motor 61 is arranged on the rack 10; the mounting disc 62 is drivingly connected to the first driving motor 61, the first driving motor 61 drives the mounting disc 62 to rotate, and a plurality of unit discs 21 are connected to the periphery of the mounting disc 62 and are spliced into the rotating disc 20 along the circumferential direction of the mounting disc 62.

[0067] The first driving motor 61 can be a rotary motor, and the mounting disc 62 refers to a disc structure for mounting a plurality of unit discs 21, the mounting disc 62 is connected to the output end of the rotary motor, and the mounting disc 62 is coaxially designed with the rotary motor, and can drive the mounting disc 62 to rotate along the central axis thereof under the rotation of the rotary motor, thereby driving the rotating disc 20 to rotate.

[0068] Such a design can mount a plurality of unit discs 21 on the periphery of the mounting disc 62, which facilitates the splicing of the plurality of unit discs 21 into the annular rotating disc 20, and under the driving of the first driving motor 61, the mounting disc 62 can be driven to rotate, thereby driving the rotating disc 20 to rotate through the mounting disc 62, so as to realize the stable rotation of the rotating disc 20.

[0069] Please refer to Figure 1 、 Figure 4 In an embodiment of the present application, the powder injection device 100 further comprises a scanner 70, the scanner 70 is arranged on the rack 10, and a scanning port of the scanner 70 is arranged towards the upper side of the receiving container 40 and is configured to detect the powder injection device 30 located above the receiving container 40.

[0070] The scanner 70 refers to a device for scanning a two-dimensional code on the powder injection device 30 to identify the position of the corresponding powder injection device 30, and can transmit a position signal of the corresponding powder injection device 30 to the upper computer, so as to control the rotating disc 20 to rotate the powder injection device 30 to a target position for powder injection in a set order through the upper computer.

[0071] Such a design can use the scanner 70 to identify the position of the powder injection device 30, so that when a plurality of powder injection devices 30 are installed on the rotating disc 20, the powder injection devices 30 can be placed at will without the need to place the powder injection devices 30 at specified positions, and the design has a foolproof function and can prevent manual feeding errors.

[0072] Please refer toFigure 1 、 Figure 2 In an embodiment of the present application, the powder injector 30 comprises a powder injection bottle 31 and a screw rod 32; the powder injection bottle 31 is installed in the installation position and is provided with a discharge port 311, and the powder injection bottle 31 is configured to contain raw materials; the screw rod 32 is arranged in the powder injection bottle 31, and the powder injection driving assembly 50 drives the screw rod 32 to rotate and lift to open or block the discharge port 311.

[0073] The powder injection bottle 31 is a bottle-shaped structure that is through from top to bottom, the bottom of the powder injection bottle 31 is provided with the discharge port 311, and the top of the powder injection bottle 31 is provided with a mounting port for mounting the screw rod 32, the screw rod 32 extends into the powder injection bottle 31 from the mounting port and extends to the discharge port 311 at the bottom of the powder injection bottle 31, and is used to open or close the discharge port 311 of the powder injection bottle 31.

[0074] With such a design, when powder injection is not needed, the lower end of the screw rod 32 is located in the powder injection bottle 31, at this time, the lower end of the screw rod 32 matches the discharge port 311 to block the discharge port 311; when powder injection is needed, the powder injection driving assembly 50 drives the screw rod 32 to descend, so that the lower end of the screw rod 32 is exposed from the discharge port 311 to open the discharge port 311 of the powder injection bottle 31, and at the same time, the screw rod 32 is driven to rotate, and the screw rod 32 gradually sends the raw materials in the powder injection bottle 31 out from the discharge port 311 under the rotation, so as to realize accurate powder injection of the powder injector 30.

[0075] It should be noted that after the lower end of the screw rod 32 is exposed from the discharge port 311, the powder injection driving assembly 50 does not need to drive the screw rod 32 to descend any more, at this time, only the rotation of the screw rod 32 needs to be driven to realize continuous powder injection.

[0076] Please refer to Figure 1 、 Figure 6 、 Figure 8 In an embodiment of the present application, the powder injection driving assembly 50 comprises a second driving member 51 and a transmission member 52; the second driving member 51 is arranged on the rack 10; the transmission member 52 is in transmission connection with the second driving member 51, the second driving member 51 drives the transmission member 52 to rotate and lift, and the transmission member 52 drives the screw rod 32 to rotate and lift.

[0077] The second driving member 51 refers to a structural member for driving the transmission member 52 to rotate and lift. The second driving member 51 can be a motor, or a structure of a motor cooperating with a gear and a rack, or a structure of a motor cooperating with a rotating wheel and a belt, etc.

[0078] The transmission member 52 refers to a structure for transmitting power output by the second driving member 51 to the screw rod 32, and the shape of the transmission member 52 can include but is not limited to a columnar shape, a block shape, a plate shape, etc.

[0079] Such design can drive the transmission member 52 to rotate and lift under the driving of the second driving member 51, and then drive the screw rod 32 to rotate and lift more stably through the transmission member 52.

[0080] Please refer to Figure 1 、 Figure 6 、 Figure 8 In an embodiment of the present application, the transmission member 52 abuts against the top of the screw rod 32 and engages with the screw rod 32.

[0081] The transmission member 52 engages with the screw rod 32, and specifically, the first matching teeth can be arranged on the outer side wall of the transmission member 52, and the second matching teeth can be arranged on the top of the screw rod 32, so that the first matching teeth engage with the second matching teeth.

[0082] Such design can drive the transmission member 52 to rotate and lift under the driving of the second driving member 51, and then drive the screw rod 32 to rotate and lift more stably through the transmission member 52.

[0083] Please refer to Figure 8 In an embodiment of the present application, the second driving member 51 includes a translation driving structure 511, a lifting driving structure 512, and a rotating driving structure 513; the translation driving structure 511 is arranged on the rack 10; the lifting driving structure 512 is drivingly connected to the translation driving structure 511, and the translation driving structure 511 drives the lifting driving structure 512 to move along the radial direction of the turntable 20; the rotating driving structure 513 is drivingly connected to the lifting driving structure 512, and the lifting driving structure 512 drives the rotating driving structure 513 to lift; the transmission member 52 is drivingly connected to the rotating driving structure 513, and the rotating driving structure 513 drives the transmission member 52 to rotate.

[0084] The translation driving structure 511 includes a translation driving motor, a first sliding block, and a first track; the first track is arranged on the rack 10 and extends along the radial direction of the turntable 20; the first sliding block is in sliding fit with the first track; the translation driving motor is used to drive the first sliding block to slide along the first track; the lifting driving structure 512, the rotating driving structure 513, and the transmission member 52 are integrally connected to the first sliding block, so as to realize translation under the movement of the first sliding block, and make the powder injection driving assembly 50 applicable to the powder injectors 30 at different positions in the radial direction of the turntable 20.

[0085] The lifting driving structure 512 comprises a lifting mount 211, a lifting driving motor, a second sliding block and a second track. The lifting mount 211 is connected to the first sliding block of the translation driving structure 511. The lifting driving motor and the second track are arranged on the lifting mount 211. The second track extends in the vertical direction. The second sliding block is in sliding cooperation with the second track. The lifting driving motor is configured to drive the second sliding block to slide along the second track. The rotation driving structure 513 and the transmission member 52 are integrally connected to the second sliding block, so as to realize lifting under the movement of the second sliding block.

[0086] The rotation driving structure 513 comprises a rotation mount 211 and a rotation driving motor. The rotation mount 211 is connected to the second sliding block. The rotation driving motor is arranged on the rotation mount 211. The rotation driving motor is configured to drive the transmission member 52 to rotate.

[0087] In this way, the transmission member 52 can be driven to move along the radial direction of the rotating disc 20 under the driving of the translation driving structure 511, so that the powder injection driving assembly 50 can be applied to the powder injectors 30 at different positions in the radial direction of the rotating disc 20. The transmission member 52 can be driven to rotate and lift under the driving of the lifting driving structure 512 and the rotation driving structure 513, so that the helical rod 32 can be stably driven to rotate and lift by the transmission member 52.

[0088] Please refer to Figure 8 In an embodiment of the present application, the lifting driving structure 512 comprises a first lifting structure 5121 and a second lifting structure 5122. The first lifting structure 5121 is in transmission connection with the translation driving structure 511. The translation driving structure 511 drives the first lifting structure 5121 to move along the radial direction of the rotating disc 20. The second lifting structure 5122 is in transmission connection with the first lifting structure 5121. The first lifting structure 5121 drives the second lifting structure 5122 to lift. The rotation driving structure 513 is in transmission connection with the second lifting structure 5122.

[0089] The first lifting structure 5121 comprises a first mount 211, a first motor, a second sliding block and a second track. The first mount 211 is connected to the first sliding block of the translation driving structure 511. The first motor and the second track are arranged on the first mount 211. The second track extends in the vertical direction. The second sliding block is in sliding cooperation with the second track. The first motor is configured to drive the second sliding block to slide along the second track. The second lifting structure 5122, the rotation driving structure 513 and the transmission member 52 are integrally connected to the second sliding block, so as to realize lifting under the movement of the second sliding block.

[0090] The second lifting structure 5122 comprises a second mounting frame 211, a second motor, a third sliding block and a third track, the second mounting frame 211 is connected to the second sliding block of the first lifting structure 5121, the second motor and the third track are arranged on the second mounting frame 211, the third track extends in the vertical direction, the third sliding block is in sliding cooperation with the third track, and the second motor is used to drive the third sliding block to slide along the third track; the rotary driving structure 513 and the transmission member 52 are integrally connected to the third sliding block, so as to realize lifting under the movement of the third sliding block.

[0091] Such a design can realize lifting of the transmission member 52 in a large range through the first lifting structure 5121 when the powder injector 30 needs to be disassembled and assembled; and only small-range lifting is needed when the transmission member 52 drives the screw rod 32 to lift, and the transmission member 52 can be precisely lifted through the second lifting structure 5122 at this time, so as to improve the precision of lifting of the transmission member 52 driving the screw rod 32.

[0092] Please refer to Figure 1 , Figures 3-6 In an embodiment of the present application, the powder injection device 100 further comprises a weighing device 80, the weighing device 80 is arranged on the rack 10, the receiving container 40 is placed on the weighing device 80, and the weighing device 80 is configured to weigh the weight of the receiving container 40.

[0093] The weighing device 80 refers to a device used for weighing the weight of the receiving container 40, so as to monitor the gradually increasing weight in the receiving container 40 in real time, and then judge the powder injection amount of the corresponding powder injector 30. The weighing device 80 can be a balance.

[0094] Such a design can simultaneously weigh the receiving container 40 by using the weighing device 80 during the powder injection process of the powder injector 30, so as to accurately control the powder injection amount of the powder injector 30.

[0095] Please refer to Figure 1 , Figure 4 In an embodiment of the present application, the rack 10 comprises a mounting plate 11 and a support frame 12; the mounting plate 11 is provided with a guide rail 111 extending along the radial direction of the turntable 20, the weighing device 80 is provided with a sliding block 81 in sliding cooperation with the guide rail 111; the support frame 12 is arranged on one side of the mounting plate 11, and the turntable 20 and the powder injection driving assembly 50 are arranged on the support frame 12.

[0096] Such a design can adjust the positions of the weighing device 80 and the receiving container 40 according to the position of the powder injector 30 under the cooperation of the guide rail 111 and the sliding block 81, so that the receiving container 40 is accurately located below the corresponding powder injector 30, thereby improving the flexibility of use.

[0097] According to some embodiments of the present application, the present application provides a powder injection device 100, which comprises a rack 10, a rotating disc 20, a powder injector 30, a receiving container 40, a powder injection driving assembly 50, a first driving member 60, a scanner 70 and a weighing device 80; wherein the powder injector 30 comprises a powder injection bottle 31 and a screw rod 32; the powder injection driving assembly 50 comprises a second driving member 51 and a transmission member 52, and has a motor driving function; when the first driving member 60 drives the rotating disc 20 to rotate, so that the powder injector 30 rotates to the lower side of the transmission member 52, the second driving member 51 drives the transmission member 52 to move downward and connect with the powder injector 30, and continues to drive the screw rod 32 in the powder injector 30 to rotate through the transmission member 52 to realize the powder injection function; the rotating disc 20 is composed of a plurality of unit discs 21, and can be disassembled and combined; after combination, the rotating disc 20 is driven to rotate by the first driving member 60; in addition, the unit disc 21 is provided with a mounting through hole 21a for placing the powder injector 30; the powder injector 30 is provided with a two-dimensional code, and each two-dimensional code corresponds to the name of the powder corresponding thereto; when the rotating disc 20 is full of the powder injectors 30, the scanner 70 starts the scanning function, and the rotating disc 20 starts to rotate; the powder injectors 30 on the rotating disc 20 pass through the scanner 70 in turn, and the scanner 70 records the positions of the powder injectors 30 on the rotating disc 20 and positions them; next, the powder injection process is started; according to the set powder injection sequence, the rotating disc 20 sequentially transfers each target type of lithium salt to the powder injection area (the upper area of the receiving container 40), and performs the set powder injection; the weighing device 80 weighs, and when the mass of a certain powder reaches the target mass, a signal is sent to the upper computer, and the upper computer stops the powder injection of the powder and rotates the rotating disc 20 to replace the next powder injector 30 for powder injection.

[0098] In some embodiments, the laboratory is configured to configure a bottle of electrolyte, the formula of which comprises LiPF6, LiFSI, LiTFSI, LiBOB, LiDFOB, LiPO2F2, EC, EMC, DMC, VC, VEC, PS; wherein the solid powder mass: LiPF6 is 1.5g, LiFSI is 1.5g, LiTFSI is 0.1g, LiBOB is 0.15g, LiDFOB is 0.1g, LiPO2F2 is 0.2g; two large powder injectors 30A and B are selected to contain LiPF6 and LiFSI respectively, and four small powder injectors 30C, D, E, F are selected to contain LiTFSI, LiBOB, LiDFOB, LiPO2F2 respectively. Then, six unit plates 21 are selected to place the above-mentioned A, B, C, D, E, F six powder injectors 30. Then, the scanning program is started, the rotating disc 20 starts to rotate and passes through the scanner 70 in turn, and the scanner 70 records the position of each powder injector 30. Finally, the powder injection program is started, and the upper computer refers to the powder injection instruction: "according to the order, inject LiPF6 1.5g, LiFSI 1.5g, LiTFSI 0.1g, LiBOB 0.15g, LiDFOB 0.1g, LiPO2F2 0.2g in turn" to start injecting powder into the receiving container 40 on the lower weighing device 80; the powder injectors 30A, B, C, D, E, F are transferred to the powder injection area in turn and connected with the powder injection driving assembly 50, the powder injection driving assembly 50 controls the rotation of the screw rod 32 in the powder injector 30 to start injecting powder downward, when the corresponding lithium salt in the powder injectors 30A, B, C, D, E, F reaches the target weighing mass, the weighing device 80 feeds back to the upper computer, and the upper computer controls the next bottle of powder injector 30 to inject powder, according to the order, injects powder in turn, and finally completes the injection of the target mass of each powder.

[0099] The above only describes exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the contents of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A powder injection device, characterized by, The injection powder device comprises: a rack; a rotating disc rotatably arranged on the rack and comprising a plurality of unit discs arranged in a ring shape by being spliced with each other, the unit disc being provided with a mounting position configured to be capable of mounting an injection powder device; a receiving container arranged on the rack and located below the rotating disc, the rotating disc being rotated to move a plurality of injection powder devices one by one to above the receiving container; an injection powder driving assembly arranged on the rack and configured to drive the injection powder device located above the receiving container to discharge.

2. The powder injection device of claim 1, wherein The mounting position is provided with a mounting through hole, and one injection powder device can be arranged in the mounting through hole.

3. The powder injection device of claim 2, wherein The unit disc is provided with a plurality of spaced mounting through holes.

4. The powder injection device of claim 3, wherein The unit disc is provided with at least two mounting through holes which are spaced in a circumferential direction. The unit disc is provided with at least two mounting through holes which are spaced in a radial direction.

5. The powder injection device of claim 2, wherein The mounting through hole is provided with a mounting rack, and the injection powder device is fixed to the mounting rack.

6. A powder injection device as claimed in claim 5, wherein A plurality of buffer support columns are arranged between the mounting rack and the unit disc and are spaced in a circumferential direction of the mounting through hole.

7. A powder injection device according to any one of claims 1 to 6, wherein The injection powder device further comprises a first driving member, and the first driving member comprises: a first driving motor arranged on the rack; a mounting disc drivingly connected to the first driving motor, the first driving motor driving the mounting disc to rotate, and a plurality of unit discs are connected to a periphery of the mounting disc and are spliced with each other in a circumferential direction of the mounting disc to form the rotating disc.

8. A powder injection device according to any one of claims 1 to 6, wherein The injection powder device further comprises a scanner arranged on the rack, a scanning opening of the scanner being arranged towards above the receiving container and being configured to detect the injection powder device located above the receiving container.

9. A powder injection device according to any one of claims 1 to 6, wherein The injection powder device comprises: an injection powder bottle mounted on the mounting position and provided with a discharge opening, the injection powder bottle being configured to contain raw materials; a screw rod arranged in the injection powder bottle, the injection powder driving assembly driving the screw rod to rotate and lift to open or block the discharge opening.

10. A powder injection device as claimed in claim 9, wherein The injection powder driving assembly comprises: a second driving member arranged on the rack; a transmission member drivingly connected to the second driving member, the second driving member driving the transmission member to rotate and lift, and the transmission member driving the screw rod to rotate and lift.

11. The powder injection device of claim 10, wherein The transmission member abuts against a top of the screw rod and is engaged with the screw rod.

12. The powder injection device of claim 10, wherein, The second driving member comprises: a translation driving structure arranged on the rack; a lifting driving structure drivingly connected to the translation driving structure, the translation driving structure driving the lifting driving structure to move in a radial direction of the rotating disc; a rotation driving structure drivingly connected to the lifting driving structure, the lifting driving structure driving the rotation driving structure to lift, and the transmission member drivingly connected to the rotation driving structure, the rotation driving structure driving the transmission member to rotate.

13. The powder injection device of claim 12, wherein The lifting driving structure comprises: a first lifting structure drivingly connected to the translation driving structure, the translation driving structure driving the first lifting structure to move in the radial direction of the rotating disc; a second lifting structure drivingly connected to the first lifting structure, the first lifting structure driving the second lifting structure to lift, and the rotation driving structure drivingly connected to the second lifting structure.

14. The powder injection device of any one of claims 1 to 6, wherein, The powder injection device further comprises a weighing device, the weighing device is arranged on the frame, the receiving container is placed on the weighing device, and the weighing device is configured to weigh the weight of the receiving container.

15. The powder injection device of claim 14, wherein, The frame comprises: A mounting plate is provided with a guide rail, the guide rail extends along the radial direction of the rotating disc, the weighing device is provided with a sliding block, and the sliding block is in sliding fit with the guide rail; A support frame is arranged on one side of the mounting plate, and the rotating disc and the powder injection driving assembly are arranged in the support frame.

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