Sagger for sintering anode material lithium manganate of lithium battery

Abstract

The utility model discloses a sagger for sintering lithium manganate serving as an anode material of a lithium battery, which belongs to the technical field of lithium battery production and comprises a sagger body, bosses are arranged on two sides of the upper end of the sagger body, a notch is arranged between every two adjacent bosses, and a plurality of through holes are arranged between two transverse bosses at the upper end of the sagger body. Through the arrangement of the extracting assembly, when the heated sagger body needs to be carried, the inserting column at one end of the folding rod can be inserted into the circular groove of the fixing base, meanwhile, the connecting block enters the butt joint groove, and the sagger body can be taken out through the connecting block. And then a worker can hold a sleeve on a folding rod to carry the sagger body, after carrying is finished, an inserting column is taken out of a circular groove of a fixing base, the subsequent sagger body continues to be carried, the heated sagger body is conveniently carried by arranging an extraction assembly, and carrying after the sagger body is completely cooled is not needed.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery production, and in particular relates to a sagger used for sintering lithium manganate, a positive electrode material of a lithium battery. Background Art

[0002] Lithium battery is a primary battery that uses lithium metal or lithium alloy as the negative electrode material and non-aqueous electrolyte solution. It is different from rechargeable lithium-ion battery and lithium-ion polymer battery. The inventor of lithium battery is Edison. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. Therefore, lithium batteries have not been used for a long time. With the development of microelectronics technology at the end of the 20th century, the number of miniaturized devices has increased, which has put forward high requirements for power sources. Lithium batteries have entered the large-scale practical stage.

[0003] Chinese patent application No. 2022218616906 discloses a sagger for sintering lithium manganese oxide, a positive electrode material for lithium batteries, including a sagger body, which is a concave cavity surrounded by a bottom wall and four side walls that can accommodate powder, each side wall has a notch on the top, a boss is formed between the notches, at least one notch has a through hole on the top, and a vent connected to the through hole is opened on the corresponding side wall; one or two opposite side walls of the sagger body are symmetrically provided with grooves on the outside, and the height of the groove from the notch is 3-4cm. The utility model is conducive to the stacking of multiple layers of saggers, and can ensure good circulation of atmosphere between layers during sintering, and is also convenient for manual movement of the sagger.

[0004] The above-mentioned patent discloses that grooves are provided at both ends of the sagger body to facilitate the transportation of the sagger body. However, when the heated sagger body is not completely cooled, it is inconvenient to transport the sagger body. At the same time, the stability of the original sagger bodies after being stacked together is poor, and the stacked sagger bodies are prone to tilting. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a sagger for sintering lithium manganese oxide, a positive electrode material of a lithium battery, which has the characteristic of convenient transportation of the heated sagger body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sagger for sintering lithium manganese oxide, a positive electrode material for lithium batteries, comprising a sagger body, bosses are arranged on both sides of the upper end of the sagger body, a gap is arranged between adjacent bosses, a plurality of through holes are arranged between two horizontal bosses on the upper end of the sagger body, vents are arranged at positions at both ends of the sagger body corresponding to the through holes, and extraction components are arranged at both ends of the sagger body.

[0007] Preferably, the extraction component includes a fixed seat, a column, a folding rod, a connecting block, a sleeve, a circular groove and a docking groove, wherein fixed seats are provided at both ends of the sagger body, a column is provided on one side of the fixed seat, a folding rod is provided at the other end of the column, a connecting block is provided between the folding rod and the column, a sleeve is provided on one side of the surface of the folding rod, a circular groove corresponding to the column is provided inside the fixed seat, and a docking groove corresponding to the connecting block is provided at one end of the circular groove.

[0008] Preferably, after the plug post enters the circular groove, the side edge of the plug post and the inner wall of the circular groove as well as the side edge of the connecting block and the inner wall of the docking groove are tightly attached, and the front end of the fixing seat is arranged as an open structure.

[0009] Preferably, the plug post, the connecting block and the folding rod are welded into an integrated structure, and the fixing seat and the sagger body are welded by spot welding.

[0010] Preferably, an insert block is provided at the position corresponding to the boss at the lower end of the sagger body, positioning rods are provided on both sides of the insert block, an arc-shaped protrusion is provided at the lower end of the positioning rod, a slot corresponding to the insert block is provided at the upper end of the boss, and positioning holes corresponding to the insert block are provided on both sides of the slot.

[0011] Preferably, after the insert block enters the slot, the side of the insert block is in close contact with the inner wall of the slot, and after the positioning rod enters the positioning hole, the side of the positioning rod is in close contact with the inner wall of the positioning hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides an extraction component. When the heated sagger body needs to be transported, the plug column at one end of the folding rod can be inserted into the circular groove of the fixing seat, and the connecting block enters the docking groove. Then the staff can hold the sleeve on the folding rod to transport the sagger body. After the transportation is completed, the plug column is taken out from the circular groove of the fixing seat to continue to transport the subsequent sagger bodies. The extraction component is provided to facilitate the transportation of the heated sagger body, and there is no need to wait for the sagger body to be completely cooled before transportation.

[0014] 2. The utility model provides positioning rods and insert blocks. When the sagger bodies need to be overlapped, the positioning rod at the lower end of the upper sagger body is inserted into the positioning hole at the upper end of the lower sagger body. At the same time, the insert block enters the slot. An arc-shaped convex is provided at the lower end of the positioning rod to facilitate the positioning rod to enter the positioning hole. The positioning rod can play a positioning role for the insert block to enter the slot. By providing the positioning rod and the insert block, the sagger bodies are more stable after being overlapped and are not prone to tilting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a rear perspective view of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of the fixing seat and the folding rod of the utility model;

[0018] In the figure: 1. sagger body; 2. extraction assembly; 21. fixing seat; 22. plug column; 23. folding rod; 24. connecting block; 25. sleeve; 26. circular groove; 27. docking groove; 3. vent; 4. boss; 5. positioning rod; 6. plug block; 7. notch; 8. through hole; 9. slot; 10. arc convex; 11. positioning hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] See also Figure 1-3 The utility model provides the following technical solutions: a sagger for sintering lithium manganese oxide, a positive electrode material for a lithium battery, comprises a sagger body 1, bosses 4 are arranged on both sides of the upper end of the sagger body 1, a gap 7 is arranged between adjacent bosses 4, a plurality of through holes 8 are arranged between two horizontal bosses 4 on the upper end of the sagger body 1, vent holes 3 are arranged at positions corresponding to the through holes 8 at both ends of the sagger body 1, and extraction components 2 are arranged at both ends of the sagger body 1.

[0022] Specifically, the extraction component 2 includes a fixed seat 21, a column 22, a folding rod 23, a connecting block 24, a sleeve 25, a circular groove 26 and a docking groove 27, wherein fixed seats 21 are provided at both ends of the sagger body 1, a column 22 is provided on one side of the fixed seat 21, a folding rod 23 is provided at the other end of the column 22, a connecting block 24 is provided between the folding rod 23 and the column 22, a sleeve 25 is provided on one side of the surface of the folding rod 23, a circular groove 26 corresponding to the column 22 is provided inside the fixed seat 21, and a docking groove 27 corresponding to the connecting block 24 is provided at one end of the circular groove 26.

[0023] By adopting the above technical scheme, when the heated sagger body 1 needs to be transported, the plug post 22 at one end of the folding rod 23 can be inserted into the circular groove 26 of the fixing seat 21, and the connecting block 24 enters the docking groove 27. Then the staff can hold the sleeve 25 on the folding rod 23 to transport the sagger body 1. After the transportation is completed, the plug post 22 is taken out from the circular groove 26 of the fixing seat 21, and the subsequent sagger body 1 is continued to be transported. By setting the extraction component 2, it is convenient to transport the heated sagger body 1, and there is no need to wait for the sagger body 1 to be completely cooled before transportation.

[0024] Specifically, after the plug post 22 enters the circular groove 26 , the side of the plug post 22 and the inner wall of the circular groove 26 as well as the side of the connecting block 24 and the inner wall of the docking groove 27 are tightly attached, and the front end of the fixing seat 21 is set as an open structure.

[0025] By adopting the above technical solution, the plug post 22 and the connecting block 24 are prevented from shaking when the sagger body 1 is extracted. The front end of the fixing seat 21 is set as an open structure to facilitate the insertion of the plug post 22 and the connecting block 24 into the circular groove 26 and the docking groove 27 respectively.

[0026] Specifically, the plug post 22 , the connecting block 24 and the folding rod 23 are welded into an integrated structure, and the fixing seat 21 and the sagger body 1 are welded by spot welding.

[0027] By adopting the above technical solution, the plug post 22, the connecting block 24 and the folding rod 23 are welded into an integrated structure, which is more solid and durable, and the spot welding makes the fixing seat 21 and the sagger body 1 more secure.

[0028] When the present embodiment is used, when the sagger for sintering lithium manganese oxide, a positive electrode material of a lithium battery, is used, the device is installed in a suitable position, the powder raw material is placed in the sagger body 1, the sagger body 1 is stacked together, and then the stacked sagger body 1 is placed in a sintering furnace for high-temperature calcination, and air can flow through the vents 3, the notch 7 and the through hole 8, so that the raw material is heated better. By setting the extraction component 2, when the heated sagger body 1 needs to be transported, the plug column 22 at one end of the folding rod 23 can be inserted into the circular groove 26 of the fixing seat 21, and the connecting block 24 enters the docking groove 27. After that, the staff can grasp the sleeve 25 on the folding rod 23 to transport the sagger body 1. After the transportation is completed, the plug column 22 is taken out of the circular groove 26 of the fixing seat 21, and the subsequent sagger body 1 is continued to be transported. By setting the extraction component 2, it is convenient to transport the heated sagger body 1, and there is no need to wait for the sagger body 1 to be completely cooled before transporting.

[0029] Example 2

[0030] The difference between this embodiment and embodiment 1 is that an insert block 6 is arranged at the position corresponding to the boss 4 at the lower end of the sagger body 1, positioning rods 5 are arranged on both sides of the insert block 6, an arc-shaped protrusion 10 is arranged at the lower end of the positioning rod 5, a slot 9 corresponding to the insert block 6 is arranged at the upper end of the boss 4, and positioning holes 11 corresponding to the insert block 6 are arranged on both sides of the slot 9.

[0031] By adopting the above technical solution, when the sagger body 1 needs to be overlapped, the positioning rod 5 at the lower end of the upper sagger body 1 is inserted into the positioning hole 11 at the upper end of the lower sagger body 1, and the insert block 6 enters the slot 9 at the same time. An arc-shaped protrusion 10 is provided at the lower end of the positioning rod 5 to facilitate the positioning rod 5 to enter the positioning hole 11. The positioning rod 5 can play a positioning role for the insert block 6 to enter the slot 9. By providing the positioning rod 5 and the insert block 6, the sagger body 1 is more stable after being overlapped and is not easy to tilt.

[0032] Specifically, after the insert block 6 enters the slot 9 , the side of the insert block 6 is in close contact with the inner wall of the slot 9 , and after the positioning rod 5 enters the positioning hole 11 , the side of the positioning rod 5 is in close contact with the inner wall of the positioning hole 11 .

[0033] By adopting the above technical solution, the insert block 6 and the positioning rod 5 are more stable in the slot 9 and the positioning hole 11 .

[0034] When this embodiment is used, by setting the positioning rod 5 and the insert block 6, when the sagger body 1 needs to be overlapped, the positioning rod 5 at the lower end of the upper sagger body 1 is inserted into the positioning hole 11 at the upper end of the lower sagger body 1, and the insert block 6 enters the slot 9 at the same time. The lower end of the positioning rod 5 is provided with an arc-shaped protrusion 10 to facilitate the positioning rod 5 to enter the positioning hole 11. The positioning rod 5 can play a positioning role for the insert block 6 to enter the slot 9. By setting the positioning rod 5 and the insert block 6, the sagger body 1 is more stable after being overlapped and is not easy to tilt.

[0035] The structure and working principle of the sagger body 1, the vent 3, the boss 4, the notch 7 and the through hole 8 in the utility model have been disclosed in a sagger for sintering lithium manganese oxide, a positive electrode material of a lithium battery, disclosed in Chinese patent application No. 2022218616906. The working principle is to put the powder raw material into the sagger body 1, stack the sagger bodies 1 together, and then put the stacked sagger body 1 into a sintering furnace for high-temperature calcination. The air can flow through the vent 3, the notch 7 and the through hole 8, and the heating effect of the raw material is better.

[0036] The working principle and use process of the utility model are as follows: when using the sagger for sintering lithium manganese oxide, a positive electrode material of a lithium battery, the device is installed in a suitable position, the powder raw material is placed in the sagger body 1, the sagger body 1 is stacked together, and then the stacked sagger body 1 is placed in a sintering furnace for high-temperature calcination, and air can flow through the vents 3, the notch 7 and the through hole 8, so that the raw material is better heated. By setting the extraction component 2, when the heated sagger body 1 needs to be transported, the plug 22 at one end of the folding rod 23 can be inserted into the circular groove 26 of the fixing seat 21, and the connecting block 24 enters the docking groove 27 at the same time, and then the staff can hold the sleeve 25 on the folding rod 23 to transport the sagger body 1, and then put it The plug post 22 is taken out from the circular groove 26 of the fixing seat 21, and the subsequent sagger body 1 is continued to be transported. The extraction component 2 is provided to facilitate the transportation of the heated sagger body 1, and there is no need to wait for the sagger body 1 to be completely cooled before transportation. By providing the positioning rod 5 and the plug block 6, when the sagger body 1 needs to be stacked, the positioning rod 5 at the lower end of the upper sagger body 1 is inserted into the positioning hole 11 at the upper end of the lower sagger body 1, and the plug block 6 enters the slot 9 at the same time. The lower end of the positioning rod 5 is provided with an arc-shaped protrusion 10 to facilitate the positioning rod 5 to enter the positioning hole 11. The positioning rod 5 can play a positioning role for the plug block 6 to enter the slot 9. By providing the positioning rod 5 and the plug block 6, the sagger body 1 is more stable after being stacked together and is not easy to fall over.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sagger for sintering lithium manganate, a positive electrode material for lithium batteries, comprising a sagger body, characterized in that: Bosses are arranged on both sides of the upper end of the sagger body, gaps are arranged between adjacent bosses, a plurality of through holes are arranged between two horizontal bosses on the upper end of the sagger body, vents are arranged at positions corresponding to the through holes at both ends of the sagger body, and extraction components are arranged at both ends of the sagger body.

2. A sagger for sintering lithium manganate, a positive electrode material for lithium batteries according to claim 1, characterized in that: The extraction component includes a fixed seat, a column, a folding rod, a connecting block, a sleeve, a circular groove and a docking groove, wherein fixed seats are provided at both ends of the sagger body, a column is provided on one side of the fixed seat, a folding rod is provided at the other end of the column, a connecting block is provided between the folding rod and the column, a sleeve is provided on one side of the folding rod surface, a circular groove corresponding to the column is provided inside the fixed seat, and a docking groove corresponding to the connecting block is provided at one end of the circular groove.

3. A sagger for sintering lithium manganate, a positive electrode material for lithium batteries according to claim 2, characterized in that: After the plug post enters the circular groove, the side edge of the plug post is tightly attached to the inner wall of the circular groove, and the side edge of the connecting block is tightly attached to the inner wall of the docking groove, and the front end of the fixing seat is set as an open structure.

4. A sagger for sintering lithium manganate, a positive electrode material for lithium batteries according to claim 2, characterized in that: The plug column, the connecting block and the folding rod are welded into an integrated structure, and the fixing seat and the sagger body are welded by spot welding.

5. A sagger for sintering lithium manganate, a positive electrode material for lithium batteries according to claim 1, characterized in that: An insert block is arranged at the position corresponding to the boss at the lower end of the sagger body, positioning rods are arranged on both sides of the insert block, an arc-shaped convex is arranged at the lower end of the positioning rod, a slot corresponding to the insert block is arranged at the upper end of the boss, and positioning holes corresponding to the insert block are arranged on both sides of the slot.

6. A sagger for sintering lithium manganate, a positive electrode material for lithium batteries according to claim 5, characterized in that: After the insert block enters the slot, the side of the insert block is in close contact with the inner wall of the slot, and after the positioning rod enters the positioning hole, the side of the positioning rod is in close contact with the inner wall of the positioning hole.

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