Mixing structure for producing silicon-carbon negative electrode material

Abstract

The utility model relates to a material mixing structure for producing a silicon-carbon negative electrode material, which belongs to the technical field of silicon-carbon negative electrode material production and comprises a grinding machine, a grinding head and a grinding bowl are arranged on the grinding machine, and a positioning structure and a control structure are arranged on the grinding machine. According to the material mixing structure for producing the silicon-carbon negative electrode material, by arranging a positioning structure and a control structure, an electric push rod is used as a driving source, and a gear ring is controlled to rotate through mechanical transmission, so that a gear is driven to rotate through a mounting rod, and then the rotating gear drives two L-shaped strips meshed with the rotating gear to move towards the opposite sides; according to the grinding device, the two locking pieces are driven to move synchronously, so that fixing of the grinding bowl body at the top of the positioning table is relieved, a worker can take down the grinding bowl body conveniently and pour out a ground mixed material in the grinding bowl body, the labor intensity of the worker is reduced, and the ground mixed material can be taken out conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to silicon carbon negative material production technical field, concretely is a kind of mixing structure of silicon carbon negative material production. BACKGROUND

[0002] Silicon carbon negative material is a new type of high-performance lithium ion battery negative material, and the production method of silicon carbon negative material includes chemical vapor deposition method and mechanical alloying method etc., chemical vapor deposition method makes it under high temperature to decompose silane and other silicon source gas, and silicon-carbon composite material is deposited on the surface of carbon-based material, mechanical alloying method is to mix silicon and carbon material by high-energy ball milling technology in grinder, and alloy is formed under the action of mechanical force, this method is often used to prepare nano-structured silicon-carbon composite material, and the cost is lower and the operation is simple, then after stirring granulation, molding, drying and carbonization etc. Process steps, silicon-carbon negative material can be prepared.

[0003] At present, in the prior art, the mechanical alloying method is used to produce silicon-carbon negative material, the raw materials are added into the grinding bowl of grinder, and then the grinding head is controlled to grind and mix the raw materials, a large force is generated in the process, the grinding bowl and the grinder need to be fixedly connected, so that after grinding and mixing, the worker needs to take out the mixed material in the grinding bowl little by little, and then the worker's labor intensity is large, so a mixing structure for producing silicon-carbon negative material is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a mixing structure for producing silicon-carbon negative material, which has the advantages of convenient disassembly of grinding bowl and one-time pouring of ground mixed material, solves the problem that a large force is generated in the process, the grinding bowl and the grinder need to be fixedly connected, so that after grinding and mixing, the worker needs to take out the mixed material in the grinding bowl little by little, and then the worker's labor intensity is large.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a mixing structure for producing silicon-carbon negative material, comprising a grinder, a grinding head and a grinding bowl are arranged on the grinder, a positioning structure and a control structure are arranged on the grinder;

[0006] The positioning structure comprises a positioning table fixedly installed on the grinding machine, two locking pieces for fixing the grinding bowl body are slidably installed on the positioning table, two L-shaped strips fixedly connected with the locking pieces are slidably installed in the positioning table, an installation rod is rotatably installed between the front and rear side walls of the inner cavity of the positioning table, a gear engaged with the two L-shaped strips is fixedly installed on the outer surface of the installation rod, and a tooth ring is fixedly installed on the outer surface of the installation rod.

[0007] Further, the control structure comprises a rack slidably installed in the positioning table, the outer surface of the rack is engaged with the outer surface of the tooth ring, the rear side wall of the inner cavity of the positioning table is provided with a limiting assembly for limiting the sliding track of the rack, and the inner bottom wall of the positioning table is fixedly installed with an electric push rod fixedly connected with one end of the rack.

[0008] Further, the grinding head is installed on the grinding machine, the grinding bowl body is installed on the grinding machine and located directly below the grinding head, and the control table is fixedly installed on the grinding machine.

[0009] Further, the two locking pieces each comprise a connecting plate and a positioning frame, the connecting plate and the positioning frame are fixedly connected, two through grooves are formed in the top of the positioning table, and one end of the connecting plate penetrates through the through grooves and is fixedly connected with the L-shaped strip.

[0010] Further, two supporting frames are fixedly installed on the front side wall of the inner cavity of the positioning table, one end of each of the two L-shaped strips penetrates through the inner part of the two supporting frames, and the inner walls of the two supporting frames are slidably connected with the outer surfaces of the two L-shaped strips.

[0011] Further, an insertion block is fixedly installed on the top of the positioning table, a butt joint groove is formed in the bottom of the grinding bowl body, and one end of the insertion block penetrates through and extends into the inner part of the butt joint groove.

[0012] Further, the limiting assembly comprises a limiting strip and a limiting groove, the limiting strip is fixedly installed on the rear side wall of the inner cavity of the positioning table, the limiting groove is formed on the back surface of the rack, and the outer surface of the limiting strip is slidably connected with the inner wall of the limiting groove.

[0013] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0014] The mixing structure for producing silicon-carbon negative electrode materials, through the setting of the positioning structure and the control structure, realizes the utilization of the electric push rod as a driving source and the rotation control of the gear ring through mechanical transmission, so that the rotation of the gear drives the two L-shaped strips meshed with the gear to move to the opposite sides, thereby driving the two locking pieces to move synchronously, and then the fixing of the grinding bowl body on the top of the positioning table is released, so that the staff can take down the grinding bowl body and pour out the mixed materials ground in the grinding bowl body, thereby reducing the labor intensity of the staff, and the mixed materials ground are conveniently taken out, so that the mixing structure for producing silicon-carbon negative electrode materials is enhanced in practicability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic diagram of the utility model;

[0016] Figure 2 It is a structure schematic diagram of the utility model Figure 1 It is an enlarged view of the positioning structure and the control structure;

[0017] Figure 3 It is a sectional view of the positioning table of the structure of the utility model.

[0018] In the figure: 1, grinding machine; 2, grinding head; 3, grinding bowl body; 41, positioning table; 42, locking piece; 43, L-shaped strip; 44, mounting rod; 45, gear; 46, gear ring; 47, rack; 48, limiting assembly; 49, electric push rod; 5, control machine table. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1 to 3 In the embodiment, the mixing structure for producing silicon-carbon negative electrode materials, the grinding machine 1 is provided with the grinding head 2 and the grinding bowl body 3, the grinding machine 1 is provided with the positioning structure and the control structure, the grinding head 2 is installed on the grinding machine 1, the grinding bowl body 3 is installed on the grinding machine 1 and located directly below the grinding head 2, and the control machine table 5 is fixedly installed on the grinding machine 1.

[0021] In the embodiment, the positioning structure comprises a positioning table 41 fixedly installed on the grinding machine 1, two locking members 42 for fixing the grinding pot body 3 are slidingly installed on the positioning table 41, two L-shaped strips 43 fixedly connected with the locking members 42 are slidingly installed in the positioning table 41, each of the locking members 42 comprises a connecting plate and a positioning frame, the connecting plate is fixedly connected with the positioning frame, two through grooves are formed in the top of the positioning table 41, one end of the connecting plate penetrates through the through grooves and is fixedly connected with the L-shaped strips 43, so as to limit the moving track of the locking members 42 and fix the position of the grinding pot body 3 by the two positioning frames, the mounting rod 44 is rotatably installed between the inner walls of the front and rear cavities of the positioning table 41, two supporting frames are fixedly installed on the front inner wall of the positioning table 41, one end of each of the two L-shaped strips 43 penetrates through the inner part of the two supporting frames, the inner walls of the two supporting frames are slidingly connected with the outer surfaces of the two L-shaped strips 43, so as to support the left and right movement of the L-shaped strips 43 by the supporting frames, the gear 45 engaged with the two L-shaped strips 43 is fixedly installed on the outer surface of the mounting rod 44, so as to control the movement of the two L-shaped strips 43 to the opposite side or the same side by rotating the gear 45, and the gear ring 46 is fixedly installed on the outer surface of the mounting rod 44.

[0022] The top of the positioning table 41 is fixedly installed with a plug-in block, the bottom of the grinding pot body 3 is provided with a butt joint groove, one end of the plug-in block penetrates through and extends into the inner part of the butt joint groove, so as to place the grinding pot body 3 to the accurate position of the positioning table 41.

[0023] By adopting the above technical scheme, the rotation of the gear ring 46 is controlled, the rotating gear ring 46 drives the gear 45 to rotate synchronously through the mounting rod 44, the rotating gear 45 drives the two L-shaped strips 43 engaged therewith to move to the opposite side, the moving L-shaped strips 43 drive the two locking members 42 to move synchronously, so as to control the two locking members 42 to release the fixation of the position of the grinding pot body 3 on the top of the positioning table 41, so as to facilitate the workers to take down the grinding pot body 3 and pour out the mixed silicon-carbon negative electrode material in the grinding pot body 3.

[0024] In the embodiment, the control structure comprises the rack 47 slidingly installed in the inner cavity of the positioning table 41, the outer surface of the rack 47 is engaged with the outer surface of the gear ring 46, so that the moving rack 47 can drive the gear ring 46 engaged therewith to rotate, the rear inner wall of the inner cavity of the positioning table 41 is provided with the limiting assembly 48 for limiting the sliding track of the rack 47, the limiting assembly 48 comprises a limiting strip and a limiting groove, the limiting strip is fixedly installed on the rear inner wall of the inner cavity of the positioning table 41, the limiting groove is formed on the back surface of the rack 47, the outer surface of the limiting strip is slidingly connected with the inner wall of the limiting groove, so as to limit the left and right movement of the rack 47 on the outer surface of the limiting strip, the electric push rod 49 fixedly connected with one end of the rack 47 is fixedly installed on the inner bottom wall of the positioning table 41, so as to control the left and right movement of the rack 47 by the extension of the electric push rod 49.

[0025] By adopting the technical scheme, after the silicon-carbon negative electrode material is mixed and ground, the electric push rod 49 inside the positioning table 41 is started to make the positioning table 41 extend and control the rack 47 to move to the right on the outer surface of the limiting strip, so that the moving rack 47 drives the gear ring 46 engaged therewith to rotate.

[0026] The working principle of the above embodiment is as follows:

[0027] The mixing structure for producing the silicon-carbon negative electrode material is used to, after the silicon-carbon negative electrode material is mixed and ground, start the electric push rod 49 inside the positioning table 41 to make the positioning table 41 extend and control the rack 47 to move to the right on the outer surface of the limiting strip, so that the moving rack 47 drives the gear ring 46 engaged therewith to rotate, so that the rotating gear ring 46 drives the gear 45 engaged therewith to rotate synchronously through the mounting rod 44, and then the rotating gear 45 drives the two L-shaped strips 43 engaged therewith to move to the opposite sides, and then the moving L-shaped strips 43 drive the two locking pieces 42 engaged therewith to move synchronously, so as to control the two locking pieces 42 to release the position fixing of the grinding bowl body 3 on the top of the positioning table 41, so as to facilitate the worker to take down the grinding bowl body 3 and pour out the silicon-carbon negative electrode material mixed and ground in the grinding bowl body 3.

[0028] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mixing structure for the production of silicon-carbon negative electrode materials, comprising a grinder (1), characterized in that: The grinder (1) is provided with a grinding head (2) and a grinding bowl body (3), and the grinder (1) is provided with a positioning structure and a control structure. The positioning structure comprises a positioning table (41) fixedly installed on the grinder (1), two locking pieces (42) for fixing the grinding bowl body (3) are slidably installed on the positioning table (41), two L-shaped strips (43) are slidably installed in the positioning table (41) and are fixedly connected with the locking pieces (42) respectively, an installation rod (44) is rotatably installed between the front and rear side walls of the inner cavity of the positioning table (41), a gear (45) is fixedly installed on the outer surface of the installation rod (44) and engages with the two L-shaped strips (43), and a tooth ring (46) is fixedly installed on the outer surface of the installation rod (44).

2. A mixture structure produced by the silicon-carbon negative electrode material according to claim 1, characterized by: The control structure comprises a rack (47) slidably installed in the positioning table (41), the outer surface of the rack (47) engages with the outer surface of the tooth ring (46), a limiting assembly (48) for limiting the sliding track of the rack (47) is arranged on the rear side wall of the inner cavity of the positioning table (41), and a motorized push rod (49) is fixedly installed on the inner bottom wall of the positioning table (41) and is fixedly connected with one end of the rack (47).

3. The mixing structure produced by the silicon-carbon negative electrode material according to claim 1, characterized in that: The grinding head (2) is installed on the grinder (1), the grinding bowl body (3) is installed on the grinder (1) and is located directly below the grinding head (2), and a control machine table (5) is fixedly installed on the grinder (1).

4. The mixing structure produced by the silicon-carbon negative electrode material according to claim 1, characterized in that: Each of the two locking pieces (42) comprises a connecting plate and a positioning frame, the connecting plate and the positioning frame are fixedly connected, two through grooves are formed in the top of the positioning table (41), and one end of the connecting plate penetrates through the through grooves and is fixedly connected with the L-shaped strip (43).

5. The mixing structure produced by the silicon-carbon negative electrode material according to claim 1, characterized by: Two support frames are fixedly installed on the front side wall of the inner cavity of the positioning table (41), one end of each of the two L-shaped strips (43) penetrates through the inner part of the two support frames, and the inner walls of the two support frames are slidably connected with the outer surfaces of the two L-shaped strips (43) respectively.

6. The mixing structure produced by the silicon-carbon negative electrode material according to claim 1, characterized in that: A plug-in block is fixedly installed on the top of the positioning table (41), a butt joint groove is formed in the bottom of the grinding bowl body (3), and one end of the plug-in block penetrates through and extends into the inner part of the butt joint groove.

7. The mixing structure produced by the silicon-carbon negative electrode material according to claim 2, characterized by: The limiting assembly (48) comprises a limiting strip and a limiting groove, the limiting strip is fixedly installed on the rear side wall of the inner cavity of the positioning table (41), the limiting groove is formed on the back surface of the rack (47), and the outer surface of the limiting strip is slidably connected with the inner wall of the limiting groove.

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