Graphite sagger for roasting battery positive electrode material

Abstract

The graphite sagger comprises a main body mechanism and a base mechanism, a first positioning plate and a second positioning plate are arranged on the two sides of a base main body respectively, a positioning protruding block is fixedly connected to the first positioning plate, a positioning through groove is formed in the second positioning plate in a penetrating mode, and the positioning protruding block is fixedly connected to the second positioning plate. When the saggers are taken out, the saggers can be connected with one another when a roasting cavity of the roasting furnace is deep by sleeving the positioning convex blocks in the positioning through grooves, the saggers on the inner side of the roasting cavity can be conveniently taken out together when the saggers are taken out, inserting through grooves are formed in the bottom face of the base body, and inserting plates can be inserted into the inserting through grooves of the multiple saggers when the saggers are taken out. The saggar main body is used for supporting the multiple saggars, the multiple saggars can be conveniently taken out at the same time, the working efficiency during carrying is improved, the positioning protruding plates are fixedly connected to the positions, close to the corners of the periphery, of the saggar main body, the saggar main body is provided with the base main body, and therefore the saggars can be conveniently and integrally stacked, and transportation and storage of the saggars during transportation are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of lithium-ion battery production technology, specifically to a graphite crucible for calcining battery cathode materials. Background Technology

[0002] Currently, the production process of lithium battery cathode materials generally adopts the high-temperature sintering method, and the most widely used calcining container for mass production is the sagger.

[0003] Chinese patent CN209069009U discloses a corundum-mullite / graphite sagger for calcining lithium battery cathode materials, comprising: an inner sagger body made of graphite, including a square groove and triangular wedge-shaped limiting parts surrounding the square groove; and an outer sagger body made of corundum-mullite, including a box covering the bottom and sides of the inner sagger body and four supporting parts located at the four corners of the top surface of the box body. The top surface of the box body is flush with the top surface of the inner sagger body, and the edges of the supporting parts are flush with the edges of the top surface of the box body. Through the combined design of the corundum-mullite / graphite sagger, the advantages of graphite and corundum-mullite are combined, resulting in a sagger that combines high efficiency, long life, low cost, and stable product quality.

[0004] The shortcomings of the existing technical solutions are: multiple saggers are placed in the existing roasting ovens for simultaneous roasting, and the roasting cavity of some roasting ovens is deep, making it inconvenient to remove the saggers located on the inside after roasting. Utility Model Content

[0005] The purpose of this utility model is to provide a graphite sagger for calcining battery cathode materials, so as to solve the technical problem in the prior art that multiple saggers are placed in the calcining furnace for simultaneous calcination, and that the saggers located on the inner side of some calcining furnaces are inconvenient to remove after calcination due to the deep baking cavity of some calcining furnaces.

[0006] The technical problem to be solved by this utility model can be achieved through the following technical solution:

[0007] A graphite sagger for sintering battery cathode materials, comprising:

[0008] The three-dimensional mechanism includes a sagger body, with positioning protrusions fixedly connected to the sagger body near the four corners, and threaded holes for connection opened on the bottom surface of the sagger near the four corners.

[0009] The base mechanism comprises a base body arranged at the bottom of the sagger body, a connecting through hole is arranged through the base body near the corner of the periphery, a positioning plate one is fixedly connected to one end surface of the base body, a positioning plate two is fixedly connected to the other end surface of the base body, a positioning protrusion is fixedly connected to the positioning plate one, a positioning through slot is arranged through the positioning plate two, and a plug-in slot is arranged symmetrically on the bottom surface of the base body.

[0010] The plug-in plate is arranged corresponding to the plug-in slot on the base body, and connecting rods are arranged between the plug-in plates.

[0011] As a further scheme of the utility model, the plug-in plate and the plug-in plate are both provided with two.

[0012] As a further scheme of the utility model, a connecting block is fixedly connected to one end surface of the plug-in plate, one end of the connecting rod is fixedly connected to the connecting block on one side, and the other end of the connecting rod is fixedly connected to the connecting block on the other side.

[0013] As a further scheme of the utility model, a connecting bolt is arranged between the base body and the sagger body.

[0014] As a further scheme of the utility model, the connecting bolt is screwed into the connecting through hole on the sagger body and the connecting thread hole on the sagger body.

[0015] As a further scheme of the utility model, the positioning protruding plate is fixedly connected to the opening edge of the upper end surface of the sagger body, four positioning protruding plates are symmetrically arranged on the sagger body, and the positioning protruding plate is a plate member with an L-shaped cross section.

[0016] The utility model discloses the beneficial effects of:

[0017] 1, the utility model discloses when using, because the both sides of base body are provided with positioning plate one and positioning plate two respectively, positioning plate one is fixedly connected with positioning protrusion, positioning plate two is arranged through with positioning through slot, can be through with positioning protrusion sleeve connection in positioning through slot, thereby when the depth of the baking cavity of the baking furnace is deep, makes each sagger be connected with each other, when taking out sagger, the sagger in the inside of baking cavity is taken out together, the bottom surface of base body is provided with plug-in slot, when taking out, can be inserted in the plug-in slot of multiple sagger with plug-in plate, is used for supporting multiple sagger, is convenient for taking out multiple sagger simultaneously, improves the work efficiency when carrying.

[0018] 2, the utility model discloses that sagger body is close to the corner of the periphery and is fixedly connected with positioning protruding plate, and sagger body is provided with base body, thereby being convenient for the integral stacking of sagger, and being convenient for the transportation and storage of sagger. DRAWINGS

[0019] The utility model will be further described in connection with the drawings.

[0020] Figure 1 is the overall structure schematic diagram of the utility model;

[0021] Figure 2 is the base mechanism three-dimensional structure schematic diagram of the utility model Figure One ;

[0022] Figure 3 is the base mechanism three-dimensional structure schematic diagram of the utility model Figure Two ;

[0023] Figure 4 is the main body mechanism three-dimensional structure schematic diagram of the utility model Figure One ;

[0024] Figure 5 is the main body mechanism three-dimensional structure schematic diagram of the utility model Figure Two .

[0025] In the drawing: 1, main body mechanism;11, sagger main body;12, positioning convex plate;13, connecting threaded hole;2, base mechanism;21, base main body;22, connecting through hole;23, positioning plate one;24, positioning convex block;25, positioning plate two;26, positioning through slot;27, plug-in through slot;3, plug-in plate;4, connecting block;5, connecting rod. DETAILED DESCRIPTION

[0026] 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 scope of the utility model.

[0027] As Figures 1-5As shown, a graphite crucible for baking battery positive electrode material, including main mechanism 1, base mechanism 2 and plug-in plate 3, main mechanism 1 includes crucible main body 11, crucible main body 11 is fixedly connected with positioning lug 12 near the corner of the periphery, the bottom surface of crucible main body 11 is provided with connecting thread hole 13 near the corner of the periphery, base mechanism 2 includes base main body 21, base main body 21 is arranged on the bottom of crucible main body 11, through hole 22 is provided on the corner of the periphery of base main body 21, positioning plate one 23 is fixedly connected on one end surface of base main body 21, positioning plate two 25 is fixedly connected on the other end surface of base main body 21, positioning lug 24 is fixedly connected on positioning plate one 23, positioning through slot 26 is provided on positioning plate two 25, plug-in through slot 27 is symmetrically distributed and provided on the bottom surface of base main body 21, plug-in plate 3 is correspondingly arranged with plug-in through slot 27 on base main body 21, connecting rod 5 is arranged between plug-in plate 3.

[0028] In use, by setting positioning plate one 23 and positioning plate two 25, positioning lug 24 is fixedly connected on positioning plate one 23, positioning through slot 26 is provided on positioning plate two 25, positioning lug 24 can be sleeved in positioning through slot 26, so that the crucibles are connected with each other when the depth of the baking cavity of the baking furnace is deep, and the crucible in the baking cavity can be taken out together, plug-in through slot 27 is provided on the bottom surface of base main body 21, plug-in plate 3 can be plugged into plug-in through slot 27 of the crucible when the crucible is taken out, for supporting the crucible, and the crucible can be taken out simultaneously.

[0029] In some specific embodiments, plug-in through slot 27 and plug-in plate 3 are both provided with two.

[0030] Connecting block 4 is fixedly connected on one end surface of plug-in plate 3, one end of connecting rod 5 is fixedly connected with connecting block 4 on one side, the other end of connecting rod 5 is fixedly connected with connecting block 4 on the other side.

[0031] Connecting bolt is arranged between base main body 21 and crucible main body 11, connecting bolt is threadedly connected with connecting through hole 22 on crucible main body 11 and connecting thread hole 13 on crucible main body 11.

[0032] Positioning lug 12 is fixedly connected on the opening edge of the upper end surface of crucible main body 11, four positioning lugs 12 are symmetrically arranged on crucible main body 11, positioning lug 12 is a plate member with L-shaped cross section.

[0033] In order to facilitate the personnel in the art to understand the embodiments of the present scheme, the working principle of the present scheme will be briefly described in combination with specific application scenarios:

[0034] In use, since the two sides of the base body 21 are respectively provided with the positioning plate one 23 and the positioning plate two 25, the positioning lug 24 is fixedly connected on the positioning plate one 23, and the positioning through slot 26 is throughly formed on the positioning plate two 25, the positioning lug 24 can be sleeved in the positioning through slot 26, so that the multiple sagger are connected with each other when the baking cavity of the baking furnace is deep, and the sagger in the baking cavity can be taken out together, the bottom surface of the base body 21 is provided with the insertion through slot 27, the insertion plate 3 can be inserted in the insertion through slot 27 of the multiple sagger when taken out, for supporting the multiple sagger, the multiple sagger can be taken out at the same time, the work efficiency during carrying is improved, the positioning lug plate 12 is fixedly connected on the sagger body 11 near the four corners, the sagger body 11 is provided with the base body 21, so that the sagger can be stacked and placed as a whole, and the transportation and storage of the sagger are facilitated.

[0035] The above several embodiments of the utility model have been described in detail, but the utility model embodiments are not limited to this, and cannot be considered as limiting the implementation scope of the utility model. Any equivalent change and improvement within the scope of the utility model application should still belong to the patent coverage scope of the utility model.

Claims

1. A graphite sagger for sintering battery positive electrode materials, characterized in that, include: The main structure (1) includes a sagger body (11), and positioning protrusions (12) are fixedly connected to the corners of the sagger body (11). Connecting threaded holes (13) are opened on the bottom surface of the sagger body (11) near the corners of the four sides. The base mechanism (2) includes a base body (21), which is located at the bottom of the sagger body (11). A connecting through hole (22) is provided on the base body (21) near the corners. A positioning plate (23) is fixedly connected to one end face of the base body (21), and a positioning plate (25) is fixedly connected to the other end face of the base body (21). A positioning protrusion (24) is fixedly connected to the positioning plate (23), and a positioning through groove (26) is provided on the positioning plate (25). The bottom surface of the base body (21) is symmetrically distributed and has insertion through grooves (27). The plug-in plate (3) is provided in correspondence with the plug-in through slot (27) on the base body (21), and a connecting rod (5) is provided between the plug-in plates (3).

2. The graphite sagger for sintering battery positive electrode material according to claim 1, characterized in that, There are two plug-in slots (27) and two plug-in plates (3).

3. The graphite sagger for sintering battery positive electrode material according to claim 1, characterized in that, A connecting block (4) is fixedly connected to one end of the plug plate (3), and one end of the connecting rod (5) is fixedly connected to the connecting block (4) on one side, and the other end of the connecting rod (5) is fixedly connected to the connecting block (4) on the other side.

4. The graphite sagger for sintering battery positive electrode material according to claim 1, characterized in that, A connecting bolt is provided between the base body (21) and the sagger body (11).

5. A graphite sagger for sintering battery positive electrode material according to claim 4, characterized in that, The connecting bolt passes through the connecting through hole (22) on the sagger body (11) and is threadedly connected to the connecting threaded hole (13) on the sagger body (11).

6. The graphite sagger for sintering battery positive electrode material according to claim 1, characterized in that, The positioning protrusion (12) is fixedly connected to the upper end face opening edge of the sagger body (11). There are four positioning protrusions (12), which are symmetrically arranged on the sagger body (11). The positioning protrusion (12) is a plate component with an L-shaped cross section.

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