CN220018176U

CN220018176U - Sagger

Info

Publication number: CN220018176U
Application number: CN202223488442.4U
Authority: CN
Inventors: 杨道均; 张万万; 王栋; 张瑞欣
Original assignee: Sany Hongxiang Battery Co ltd
Current assignee: Sany Hongxiang Battery Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-11-14
Anticipated expiration: 2032-12-21

Abstract

The utility model provides a sagger, which belongs to the technical field of battery production devices and comprises: an outer frame and a lining structure. The outer frame is enclosed to form an accommodating space, and the upper end of the outer frame is provided with an opening; the lining structure at least partially covers the bottom wall of the outer frame, and is formed by splicing a plurality of lining plates in a certain mode. According to the sagger, the lining structure is made of the high-purity ceramic material with high corrosion resistance, when a single lining plate in the lining structure is damaged, only the corresponding lining plate needs to be replaced, other lining plates can be used continuously, the service life of the sagger is prolonged, and the updating cost is reduced.

Description

Sagger

Technical Field

The utility model relates to the technical field of battery production devices, in particular to a sagger.

Background

Due to the rapid development of new energy and mobile terminal devices, the demands for lithium ion batteries and sodium ion batteries are increasing. The lithium ion battery and the sodium ion battery mainly comprise an anode material, a cathode material, a diaphragm, electrolyte and the like, wherein the anode material is formed by placing raw materials in a sagger and then placing the sagger in a kiln for high-temperature calcination. In the prior art, the sagger is usually made of mullite, corundum powder, high-alumina bauxite, diatomite and the like by mixed sintering, the sagger with the components has poor corrosion resistance, the phenomena of powder falling, skin falling and the like can be generated after the sagger is used for many times, the service life is short, and the purity and quality of a product can be influenced; and when a small part of the bowl body is damaged, the whole sagger is required to be scrapped, so that waste is caused.

Disclosure of Invention

Therefore, the utility model aims to overcome the defects of poor corrosion resistance, short service life and easy waste of the sagger in the prior art, thereby providing the sagger.

In order to solve the above problems, the present utility model provides a sagger comprising: an outer frame enclosing to form a containing space, and having an opening at the upper end; the lining structure at least partially covers the bottom wall of the outer frame, and is formed by splicing a plurality of lining plates.

Optionally, the plurality of lining plates comprise a plurality of bottom plates, and the plurality of bottom plates are spliced and arranged and cover the bottom wall of the outer frame.

Optionally, the lining boards further comprise a plurality of side boards, the side boards are spliced and arranged and cover the side walls of the outer frame, and the lower ends of the side boards are spliced and arranged with the corresponding bottom boards.

Optionally, an insert block or an insert groove is arranged on the side edge of the bottom plate, the adjacent bottom plates are correspondingly spliced and spliced through the insert block and the insert groove, a groove body allowing the insert block to be inserted is formed in the side plate, or an inserting part capable of being inserted into the insert groove is formed in the side plate.

Optionally, a fastening part is arranged on the side edge of the bottom plate, the fastening parts adjacent to the bottom plate are correspondingly fastened and clamped, and a lap joint part correspondingly matched with the fastening part is arranged on the side plate.

Optionally, the lining plate is an alumina ceramic plate body, a magnesia ceramic plate body, a zirconia ceramic plate body or a silicon carbide ceramic plate body.

Optionally, the lining plate is square or rectangular; and/or the length and width of the lining plate range from 3cm to 35cm, and the thickness of the lining plate ranges from 2mm to 10mm.

Optionally, the outer frame includes a frame body and a leg, an upper end opening of the frame body is provided, and the leg is provided at a lower end of the frame body.

Optionally, the framework includes side coaming and end layer board, the side coaming is provided with a plurality of, and a plurality of the side coaming closes the setting along circumference, end layer board is connected with the bottom of a plurality of the side coaming.

Optionally, the side wall plate and/or the bottom support plate are provided with vent holes; and/or the side coaming and the bottom support plate are metal plate bodies, or cordierite ceramic plate bodies, or mullite ceramic plate bodies.

The utility model has the following advantages:

1. according to the sagger provided by the utility model, the lining structures are formed by splicing the lining plates, so that the bottom wall of the outer frame is at least partially covered, when the lining structures are damaged, only the corresponding lining plates are needed to be replaced, and the other lining plates can be continuously used, so that the service life of the sagger is prolonged, and the updating cost is reduced.

2. According to the sagger provided by the utility model, the plurality of bottom plates and the side plates are connected in a plugging mode or a buckling and clamping mode, so that the splicing mode is simple and convenient to use.

3. The sagger provided by the utility model has the advantages that the lining plate is made of aluminum oxide, magnesium oxide, zirconium oxide or silicon carbide, and the sagger has higher corrosion resistance and is prevented from reacting with electrode raw materials.

4. The sagger provided by the utility model has the advantages that the volume of the liner plate is smaller, the sagger is not easy to crack during high-temperature sintering, the material cost is reduced, and the service life is prolonged.

5. According to the sagger, the supporting legs are arranged, so that air flow is realized when a plurality of layers of saggers are stacked.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the overall structure of a sagger according to an embodiment of the present utility model;

FIG. 2 shows a first schematic view of a bottom panel and side panel splice provided by an embodiment of the present utility model;

FIG. 3 illustrates a second schematic view of a bottom panel and side panel splice provided by an embodiment of the present utility model;

FIG. 4 shows a third schematic view of a bottom panel and side panel splice provided by an embodiment of the present utility model;

fig. 5 shows a fourth schematic view of a bottom panel and side panel splice provided by an embodiment of the present utility model.

Reference numerals illustrate:

10. an outer frame; 11. a frame; 111. side coaming; 112. a vent hole; 12. a support leg; 20. a liner structure; 21. a bottom plate; 211. inserting blocks; 212. a slot; 213. a fastening part; 22. a side plate; 221. a tank body; 222. a plug-in part; 223. and a lap joint part.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

One embodiment of a sagger as shown in fig. 1 to 5, comprises: an outer frame 10 and a lining structure 20. The outer frame 10 encloses a receiving space, and an upper end of the outer frame 10 is opened. The lining structure 20 at least partially covers the bottom wall of the outer frame 10, and the lining structure 20 is formed by splicing a plurality of lining plates.

It should be noted that the lining structure 20 covers at least a portion of the inner wall of the outer frame 10 that is in contact with the sintering material.

The lining plates are spliced to form the lining structure 20 so as to at least partially cover the bottom wall of the outer frame 10, when the lining structure 20 is damaged, only the corresponding lining plates are needed to be replaced, and the rest lining plates can be continuously used, so that the service life of the sagger is prolonged, and the updating cost is reduced.

In the present embodiment, as shown in fig. 1, the lining structure 20 is provided to cover the inner wall of the outer frame 10. Specifically, as shown in fig. 1, the plurality of lining plates include a bottom plate 21 and a side plate 22, the bottom plate 21 is provided with a plurality of, the bottom plate 21 is spliced and arranged and covers the bottom wall of the outer frame 10, the side plate 22 is provided with a plurality of, the side plate 22 is spliced and arranged and covers the side wall of the outer frame 10, and the lower end of the side plate 22 is spliced and arranged with the corresponding bottom plate 21.

It should be noted that, referring to fig. 1, the lower ends of the side plates 22 are correspondingly spliced with the outer periphery of the whole formed by splicing the bottom plates 21.

As shown in fig. 2 to 4, the side edge of the bottom plate 21 is provided with an insert block 211 or an insert slot 212, the adjacent bottom plates 21 are spliced by the insert block 211 and the insert slot 212, the side plate 22 is provided with a slot 221 allowing the insert block 211 to be inserted, or the side plate 22 is provided with an insert part 222 capable of being inserted into the insert slot 212.

It should be noted that, referring to fig. 2 to 4, for one base plate 21, an insert 211 is disposed on the left side of the base plate 21, a slot 212 is disposed on the right side of the base plate 21, the insert 211 of the base plate 21 may be inserted into the slot 212 of the base plate 21 disposed on the left side thereof, and the insert 211 of another base plate 21 disposed on the right side of the base plate 21 may be inserted into the slot 212 of the base plate 21. As shown in fig. 2 to 4, the bottom of the side plate 22 positioned on the left side of the plurality of bottom plates 21 is provided with a groove 221, and the insert 211 of the bottom plate 21 positioned on the leftmost side is inserted into the groove 221; the bottom of the side plate 22 positioned on the right side of the plurality of bottom plates 21 is provided with a plug-in part 222, and the plug-in part 222 is inserted into the slot 212 of the bottom plate 21 positioned on the rightmost side.

It should be noted that, referring to fig. 2 to fig. 4, the shapes of the insert block 211 and the insert slot 212 may be regular or irregular, and only the corresponding insertion needs to be satisfied; also, the positions of the insert pieces 211 and the insert grooves 212 on the side of the bottom plate 21 may be set as required, as shown in fig. 2 and 3, the insert pieces 211 and the insert grooves 212 being located at the middle position in the thickness direction of the bottom plate 21, as shown in fig. 4, the insert pieces 211 and the insert grooves 212 being located at the upper position in the thickness direction of the bottom plate 21.

Of course, as shown in fig. 5, adjacent base plates 21 may be spliced using other structures. Specifically, the side edges of the bottom plates 21 are provided with buckling parts 213, the buckling parts 213 of the adjacent bottom plates 21 are correspondingly buckled and clamped, and the side plates 22 are provided with overlapping parts 223 correspondingly matched with the buckling parts 213.

The bottom plate 21 and the side plates 22 are connected in a plugging mode or a buckling and clamping mode, and the splicing mode is simple and convenient to use.

In this embodiment, the backing plate is made of a high-purity ceramic material, such as alumina, magnesia, zirconia, or silicon carbide, and has higher corrosion resistance, and is prevented from reacting with the electrode material. The sagger can be cleaned and reused after being used, and the surface of the sagger is smooth and has no corrosion after being cleaned.

In this embodiment, the liner plate is square or rectangular, the length and width of the liner plate ranges from 3cm to 35cm, and the thickness of the liner plate ranges from 2mm to 10mm.

Specifically, the lining plate can be a polished high-purity alumina ceramic plate body with the thickness of 10cm x 5 mm.

It is to be noted that high purity ceramic materials such as high purity alumina, high purity magnesia, high purity zirconia, or high purity silicon carbide are excellent in corrosion resistance, but are expensive, and if the plate body is too large, chipping is likely to occur at the time of high temperature sintering, and thus are not suitable for direct production to form a large-volume lining plate. Therefore, in this embodiment, the lining board with small volume is adopted to be spliced to be matched with the external frame 10 with large volume, the price of the lining board is low, and the cracking is not easy to occur during high-temperature sintering, so that the material cost is reduced, and the service life is prolonged.

It should be noted that, after the spliced plurality of lining boards are disposed in the outer frame 10, the edge of the outer frame 10 is insufficient to lay a void portion of a whole lining board, and the cut lining boards may be used for laying, so as to completely cover the inner wall of the outer frame 10.

As shown in fig. 1, the outer frame 10 includes a frame 11 and legs 12, an upper end opening of the frame 11 is provided, and the legs 12 are provided at a lower end of the frame 11. By providing the legs 12, air flow is achieved when several layers of saggers are stacked.

In the present embodiment, as shown in fig. 1, four legs 12 are provided, and four legs 12 are provided at four corners of the lower end of the frame 11.

In this embodiment, as shown in fig. 1, the frame 11 includes side panels 111 and bottom plates, the side panels 111 are provided with a plurality of side panels 111, the plurality of side panels 111 are circumferentially arranged, and the bottom plates are connected with the bottom ends of the plurality of side panels 111.

Of course, in other alternative embodiments, the frame 11 includes a plurality of rods that are cross-connected to one another and form the sides and bottom of the frame 11. The side and bottom of the frame 11 may be formed by a combination of a plate and a rod.

It should be noted that, when the outer frame 10 is damaged, only the outer frame 10 may be replaced.

In this embodiment, as shown in fig. 1, ventilation holes 112 are formed in the side wall plate 111 and the bottom plate. By providing the vent holes 112, on one hand, oxygen can pass through the gaps between the lining plates to improve the contact between the sintering material and the oxygen, ensure the sufficient reaction of the sintering material, and on the other hand, the stress generated in the thermal expansion and contraction process of the external frame 10 can be released, so that the service life of the external frame 10 is prolonged.

In the present embodiment, the side wall plates 111 and the bottom plate are metal plate bodies, or cordierite ceramic plate bodies, or mullite ceramic plate bodies. That is, the outer frame 10 may be made of metal or conventional ceramic. The metal material can be one or more of iron, stainless steel, titanium alloy, nickel alloy, copper, tungsten and the like. For example, the outer frame 10 may be formed by welding or integrally molding a stainless steel plate with holes. Alternatively, the outer frame 10 is made of a conventional ceramic material, the side portion of the frame 11 is provided with 2 rows and 5 columns of 2cm x 2cm openings arranged equidistantly, and the bottom portion of the frame 11 is provided with 5 rows and 5 columns of 2cm x 2cm openings arranged equidistantly.

Of course, the side wall 111 and the bottom plate may be made of other ceramic materials or non-ceramic materials, so long as they can play a supporting role in the sintering environment.

In this embodiment, the length of the outer frame 10 ranges from 20cm to 50cm, the width ranges from 20cm to 50cm, the height ranges from 3cm to 15cm, and the height of the legs 12 ranges from 2cm to 5cm. Specifically, the outer frame 10 has dimensions of 30cm by 12cm, wherein a height of 12cm comprises a height of 2cm of the feet 12.

It should be noted that, according to the size of the outer frame 10 and the size of the substrate, in the present embodiment, referring to fig. 1, each side wall 111 of the outer frame 10 is correspondingly provided with three side plates 22, and the bottom plate of the outer frame 10 is correspondingly provided with nine bottom plates 21.

According to the above description, the present patent application has the following advantages:

1. the high-purity ceramic material is adopted as the lining structure, so that the problem of corrosion of the sagger is solved, the sintering purity of the electrode material is improved, and the corresponding battery performance is further improved;

2. when the lining structure is damaged, only the corresponding lining plate needs to be replaced, and the rest lining plates can be used continuously, so that the service life of the sagger is prolonged, and the updating cost is reduced;

3. the lining plates with small volumes are adopted for splicing, so that the lining plates are matched with the external frames with large volumes, the price of the lining plates is low, the lining plates are not easy to crack during high-temperature sintering, the material cost is reduced, and the service life is prolonged.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A sagger, comprising:

an outer frame (10) which encloses a receiving space and is provided with an opening at the upper end;

a lining structure (20) at least partially covering the bottom wall of the outer frame (10), the lining structure (20) being formed by splicing a plurality of lining plates;

the lining plates comprise a plurality of bottom plates (21), and the bottom plates (21) are spliced and arranged to cover the bottom wall of the outer frame (10);

the lining plates also comprise a plurality of side plates (22), the side plates (22) are spliced and arranged and cover the side walls of the outer frame (10), and the lower ends of the side plates (22) are spliced and arranged with the corresponding bottom plates (21);

the side of the bottom plate (21) is provided with an inserting block (211) or a slot (212), the adjacent bottom plates (21) are correspondingly spliced and spliced through the inserting block (211) and the slot (212), the side plate (22) is provided with a slot body (221) allowing the inserting block (211) to be inserted, or the side plate (22) is provided with an inserting part (222) capable of being inserted into the slot (212); or alternatively, the method can be used for processing,

the side of bottom plate (21) is provided with buckle portion (213), adjacent buckle portion (213) of bottom plate (21) correspond the lock joint, be provided with on curb plate (22) with buckle portion (213) correspond complex overlap joint portion (223).

2. The sagger according to claim 1, wherein the liner is an alumina ceramic plate, a magnesia ceramic plate, a zirconia ceramic plate, or a silicon carbide ceramic plate.

3. The sagger according to claim 1, wherein the liner is square;

and/or the length and width of the lining plate range from 3cm to 35cm, and the thickness of the lining plate ranges from 2mm to 10mm.

4. The sagger according to claim 1, characterized in that the outer frame (10) comprises a frame body (11) and legs (12), an upper end opening of the frame body (11) being provided, the legs (12) being provided at a lower end of the frame body (11).

5. The sagger according to claim 4, characterized in that the frame body (11) comprises side boards (111) and bottom plates, the side boards (111) are provided with a plurality of side boards (111), the side boards (111) are circumferentially arranged in a closing manner, and the bottom plates are connected with the bottom ends of the side boards (111).

6. The sagger according to claim 5, characterized in that the side wall plate (111) and/or the bottom plate are provided with ventilation holes (112);

and/or the side wall plate (111) and the bottom support plate are metal plate bodies, or cordierite ceramic plate bodies, or mullite ceramic plate bodies.