A graphite sagger for lithium battery positive electrode

Abstract

The utility model discloses a graphite sagger for a lithium battery positive electrode, belongs to the technical field of lithium batteries, and aims at the problem of poor connectivity of a graphite sagger when a molding, splicing and assembling process is carried out. The utility model comprises a sagger body, wherein the sagger body comprises a sagger side plate, a sagger connecting plate and a sagger bottom plate, wherein the sagger side plate is located at the top of the sagger bottom plate, and a mounting sleeve is installed on one side wall of the sagger bottom plate, wherein the two sagger side plates are symmetrically arranged, the two sagger connecting plates are symmetrically arranged, and the sagger connecting plate is movably connected between the sagger side plates; the utility model uses an installation component and a connecting structure to enable the installation structure to cover and shield the connection between the sagger connecting plate and the sagger side plates, and at the same time, the connecting sleeve blocks the connection at the top of the installation sleeve, thereby reducing the contact between the connection between the two and the outside world, thereby enhancing the connectivity during use, and at the same time, under the setting of the installation sleeve plate and the connecting sleeve, the corners of the sagger side plates and the sagger connecting plates are protected.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium batteries, and in particular relates to a graphite sagger for a positive electrode of a lithium battery. Background Art

[0002] With the continuous improvement of social energy-saving awareness and the continuous improvement of battery manufacturing technology, the application scope of lithium iron ferrite batteries is now expanding. The positive electrode of lithium iron ferrite batteries is an important component of lithium iron ferrite batteries. The production process of positive electrode materials of lithium iron ferrite batteries generally adopts high-temperature sintering method. The most widely used calcining container for quantitative production is sagger, and graphite sagger has the characteristics of high density, high temperature resistance, oxidation resistance, and long service life, and is widely used in the production of lithium battery positive electrodes.

[0003] The graphite saggers currently used in the industry are generally machined from a whole piece of graphite blank, or prefabricated into a carbon sagger (recycled graphite sagger) by an integral pressing method; this method is difficult to manufacture and has high process requirements as the box body is formed as a whole, and compared with the splicing method, it does not have a cost advantage, and at the same time, the sealing protection effect of the joints is not good during connection.

[0004] Therefore, a graphite sagger for lithium battery positive electrode is needed to solve the problem of poor connectivity of graphite sagger bodies during molding, splicing and assembly in the prior art. Utility Model Content

[0005] The utility model aims to provide a graphite sagger for lithium battery positive electrode to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a graphite sagger for a positive electrode of a lithium battery, comprising a sagger body, the sagger body comprising a sagger side plate, a sagger connecting plate and a sagger bottom plate, the sagger side plate being located at the top of the sagger bottom plate, a mounting sleeve being installed on one side wall of the sagger bottom plate, the two sagger side plates being symmetrically arranged, the two sagger connecting plates being symmetrically arranged, the sagger connecting plate being movably connected between the sagger side plates, the sagger side plates being movably connected to the sagger connecting plate and the sagger bottom plate, a connecting structure being installed on one side of the sagger bottom plate, the connecting structure comprising a connecting seat being installed on the outside of the sagger bottom plate, a connecting sleeve being fixed on one side wall of the connecting seat, the connecting sleeve being located on one side of the mounting sleeve, and a mounting structure being arranged between the sagger side plate and the sagger connecting plate.

[0007] It should be noted in the scheme that the mounting structure includes four mounting connectors, a mounting sleeve, four plug-in blocks and a fixed column. The mounting connector is fixed to the top of the plug-in block, and the two ends of the fixed column are respectively fixed to the outer wall of one side of the mounting connector. The plug-in block is installed on the top of the connecting seat, and the mounting sleeve is located outside the side plate of the box body and the box body connecting plate.

[0008] It is further worth noting that a mounting groove is provided inside the mounting sleeve, the bottom of the box body side plate and the box body connecting plate are both inserted into the inside of the mounting sleeve, the mounting sleeve is fitted with the bottom side walls of the box body side plate and the box body connecting plate, and the structure of the box body side plate and the box body connecting plate is a quadrilateral with openings at both ends.

[0009] It should be further explained that the box body side plates and the box body connecting plates are both provided with connecting slots inside, and the box body side plates and the box body connecting plates are mutually clamped.

[0010] As a preferred embodiment, the connection structure also includes a sealing sleeve and a fixing bolt installed on a side wall of one side of the connection seat, the fixing bolt is installed inside the sealing sleeve, and the sealing sleeve is located on one side of the connection seat and is slidably connected to the side wall of one side of the connection seat.

[0011] As a preferred implementation, the bottom end of the plug-in block is mounted on one side of the sealing sleeve, a positioning rod is fixed inside the sealing sleeve, and the positioning rod is inserted into the interior of the plug-in block.

[0012] Compared with the prior art, the utility model provides a graphite sagger for lithium battery positive electrode, which has at least the following beneficial effects:

[0013] By installing the components and the connecting structure, the installation structure covers and shields the connection between the box body connecting plate and the box body side plate, and the connecting sleeve blocks the connection at the top of the installation sleeve, thereby reducing the contact between the connection between the two and the outside world, thereby enhancing the connectivity during use. At the same time, under the setting of the installation sleeve plate and the connecting sleeve, the corners of the box body side plate and the box body connecting plate are protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a partial structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the bottom structure of the box body of the utility model.

[0018] In the figure: 1. box body; 2. box body side plate; 3. box body connecting plate; 4. box body bottom plate; 5. mounting sleeve; 6. connection structure; 7. connection seat; 8. connection sleeve; 9. mounting structure; 90. mounting connection piece; 91. mounting sleeve plate; 92. plug-in block; 93. fixing bar; 10. mounting groove; 11. fixing bolt; 12. sealing sleeve; 13. positioning rod. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the embodiments.

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0021] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] See also Figure 1-4 The utility model provides a graphite sagger for a lithium battery positive electrode, comprising a sagger body 1, the sagger body 1 comprising a sagger body side plate 2, a sagger body connecting plate 3 and a sagger body bottom plate, the sagger body side plate 2 being located at the top of the sagger body bottom plate 4, a mounting sleeve 5 being installed on one side wall of the sagger body bottom plate 4, the two sagger body side plates 2 being symmetrically arranged, the two sagger body connecting plates 3 being symmetrically arranged, the sagger body connecting plate 3 being movably connected between the sagger body side plates 2, the sagger body side plates 2 being movably connected to the sagger body connecting plate 3 and the sagger body bottom plate 4, a connecting structure 6 being installed on one side of the sagger body bottom plate 4, the connecting structure 6 comprising a connecting seat 7 installed on the outside of the sagger body bottom plate 4, a connecting sleeve 8 being fixed on one side wall of the connecting seat 7, the connecting sleeve 8 being located on one side of the mounting sleeve 5, and a mounting structure 9 being arranged between the sagger body side plate 2 and the sagger body connecting plate 3.

[0023] The graphite sagger is assembled by the sagger side plates 2 , the sagger connecting plates 3 and the sagger bottom plate 4 , and the sagger body 1 is stabilized during installation under the action of the connecting mechanism and the mounting mechanism.

[0024] Further as Figure 1 , Figure 2 and Figure 3As shown, it is worth specifically explaining that the mounting structure 9 includes four mounting connectors 90, a mounting sleeve 91, four plug-in blocks 92 and a fixing bar 93. The mounting connector 90 is fixed to the top of the plug-in block 92, and the two ends of the fixing bar 93 are respectively fixed to the outer wall of one side of the mounting connector 90. The plug-in block 92 is installed on the top of the connecting seat 7, and the mounting sleeve 91 is located outside the box body side plate 2 and the box body connecting plate 3. By setting the mounting connector 90 and the mounting sleeve 91, a sealing effect is achieved on the connection between the box body side plate 2 and the box body connecting plate 3, and at the same time, the edge angle between the two is protected.

[0025] Further as Figure 1 and Figure 2 As shown, it is worth specifically explaining that a mounting groove 10 is opened inside the mounting sleeve 5, the bottom of the box body side plate 2 and the box body connecting plate 3 are both inserted into the interior of the mounting sleeve 5, the mounting sleeve 5 is fitted with the bottom side walls of the box body side plate 2 and the box body connecting plate 3, and the structure of the box body side plate 2 and the box body connecting plate 3 is a quadrilateral with openings at both ends.

[0026] Further as Figure 1 As shown, it is worth to explain in detail that the box body side plate 2 and the box body connecting plate 3 are both provided with connecting slots inside, and the box body side plate 2 and the box body connecting plate 3 are mutually clamped.

[0027] Further as Figure 2 As shown, it is worth explaining in detail that the connection structure 6 also includes a sealing sleeve 12 and a fixing bolt 11 installed on a side wall of one side of the connection seat 7, the fixing bolt 11 is installed inside the sealing sleeve 12, and the sealing sleeve 12 is located on one side of the connection seat 7 and is slidably connected to a side wall of one side of the connection seat 7.

[0028] Further as Figure 2 As shown, it is worth explaining in detail that the bottom end of the plug-in block 92 is installed on one side of the sealing sleeve 12 , and a positioning rod 13 is fixed inside the sealing sleeve 12 , and the positioning rod 13 is inserted into the inside of the plug-in block 92 .

[0029] This scheme has the following working process: when the graphite sagger is assembled and installed, the sagger side plate 2 and the sagger connecting plate 3 are installed inside the installation sleeve 5. During the installation process, the sagger side plate 2 will be assembled with the sagger connecting plate 3 to connect the two. After the sagger side plate 2 and the sagger connecting plate 3 are installed on the top of the sagger bottom plate 4, the installation connecting piece 90 and the installation sleeve plate 91 are installed on the outside of the sagger side plate 2 and the sagger connecting plate 3. The installation sleeve plate 91 will be installed at the corner of the sagger side plate 2 and the sagger connecting plate 3, and the installation structure 90 will be installed at the connection between the two. After the installation structure 9 is installed, the plug-in block 92 will be plugged into the top of the connecting sleeve 8, and then the fixing bolt 11 is manually driven to rotate, and the sealing sleeve 12 is positioned so that the sealing sleeve 12 is installed on the outside of the sagger bottom plate 4 to achieve the positioning operation of the installation connecting plate.

[0030] Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "including" or "comprising" and the like used in the present invention mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. The words "connect" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the described object changes, the relative position relationship may also change accordingly.

[0031] 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 graphite sagger for lithium battery positive electrode, characterized in that: The invention comprises a box body (1), wherein the box body (1) comprises a box body side plate (2), a box body connecting plate (3) and a box body bottom plate (4), wherein the box body side plate (2) is located on the top of the box body bottom plate (4), and a mounting sleeve (5) is installed on one side wall of the box body bottom plate (4), and the two box body side plates (2) are symmetrically arranged, and the two box body connecting plates (3) are symmetrically arranged, and the box body connecting plate (3) is movably connected between the box body side plates (2), and the box body side plates (2) is movably connected with the box body connecting plate (3) and the box body bottom plate (4); a connecting structure (6) is installed on one side of the box body bottom plate (4); the connecting structure (6) includes a connecting seat (7) installed on the outside of the box body bottom plate (4); a connecting sleeve (8) is fixed to one side wall of the connecting seat (7); the connecting sleeve (8) is located on one side of the mounting sleeve (5); and a mounting structure (9) is arranged between the box body side plate (2) and the box body connecting plate (3).

2. A graphite sagger for lithium battery positive electrode according to claim 1, characterized in that: The mounting structure (9) comprises four mounting connectors (90), a mounting sleeve (91), four plug-in blocks (92) and a fixing bar (93); the mounting connector (90) is fixed to the top of the plug-in block (92); two ends of the fixing bar (93) are respectively fixed to the outer wall of one side of the mounting connector (90); the plug-in block (92) is mounted on the top of the connecting seat (7); and the mounting sleeve (91) is located outside the box body side plate (2) and the box body connecting plate (3).

3. A graphite sagger for lithium battery positive electrode according to claim 2, characterized in that: The interior of the installation sleeve (5) is provided with an installation groove (10), the bottoms of the box body side plates (2) and the box body connecting plates (3) are both plugged into the interior of the installation sleeve (5), the installation sleeve (5) is in contact with the bottom side walls of the box body side plates (2) and the box body connecting plates (3), and the structure of the box body side plates (2) and the box body connecting plates (3) is a quadrilateral with openings at both ends.

4. A graphite sagger for lithium battery positive electrode according to claim 3, characterized in that: The box body side plate (2) and the box body connecting plate (3) are both provided with connecting notches inside, and the box body side plate (2) and the box body connecting plate (3) are mutually clamped.

5. A graphite sagger for lithium battery positive electrode according to claim 4, characterized in that: The connection structure (6) further comprises a sealing sleeve (12) and a fixing bolt (11) mounted on a side wall of one side of the connection seat (7); the fixing bolt (11) is mounted inside the sealing sleeve (12); the sealing sleeve (12) is located on one side of the connection seat (7) and is slidably connected to a side wall of one side of the connection seat (7).

6. A graphite sagger for lithium battery positive electrode according to claim 5, characterized in that: The bottom end of the plug-in block (92) is mounted on one side of the sealing sleeve (12), a positioning rod (13) is fixed inside the sealing sleeve (12), and the positioning rod (13) is inserted into the inside of the plug-in block (92).

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