Anode material sintering device

Abstract

The invention discloses a positive electrode material sintering device which comprises a sintering furnace, a gear ring, a fixing rod, a sagger, an exhaust window, a gas uniformizing plate and a connecting pipe, a furnace bin is arranged on the sintering furnace, a furnace door is installed on the sintering furnace through a hinge, the gear ring is installed on the furnace door, and a gear A, a gear B and a gear plate are installed on a bottom bin of the sintering furnace. The gear ring is meshed with a gear A, the gear A is meshed with a gear B, the gear B is meshed with a toothed plate, a connecting rod is installed on the toothed plate, a connecting column is installed at one end of the connecting rod, a fixing rod is installed at the top end of the connecting column, and a sagger is placed in a placing frame installed on the fixing rod. According to the sintering device, the situation that a worker needs to lean forward and put the handle deep into the sintering furnace to take and place materials is avoided, the materials are more convenient to take and place, and the flexible usability of the sintering device is improved.

Description

Technical Field

[0001] The present invention relates to the field related to positive electrode material sintering devices, and in particular to a positive electrode material sintering device. Background Art

[0002] Multi-element positive electrode materials are the most important part of lithium-ion batteries. How to produce multi-element positive electrode materials with excellent performance in an efficient, environmentally friendly and energy-saving way is the main theme pursued by researchers at present. Conventional positive electrode materials (such as lithium manganese oxide, lithium cobalt oxide, lithium iron phosphate, lithium nickel manganese oxide, lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium nickel cobalt manganese aluminum oxide and lithium-rich manganese base, etc.) are all sintered at high temperature in a roller kiln, and then crushed, coated and sintered after cooling to ensure that the capacity, cycle, rate and safety performance of the material meet the requirements. In the production process, the positive electrode material needs to be sintered.

[0003] The existing device has the following shortcomings when in use: when the positive electrode material sintering device is in use, the staff needs to lean forward and put their hands deep into the sintering furnace to take and place the materials, which makes the taking and placing of the materials inconvenient and affects the flexible use of the sintering device. Summary of the invention

[0004] The object of the present invention is to provide a positive electrode material sintering device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a positive electrode material sintering device, comprising a sintering furnace, a gear ring, a fixing rod, a sagger, an exhaust window, an air equalizing plate and a connecting pipe, wherein a furnace bin is arranged on the sintering furnace, a furnace door is installed on the sintering furnace through a hinge, a gear ring is installed on the furnace door, a gear A, a gear B and a toothed plate are installed on the bottom bin of the sintering furnace, the gear ring is meshed with the gear A, the gear A is meshed with the gear B, the gear B is meshed with the toothed plate, a connecting rod is installed on the toothed plate, a connecting column is installed at one end of the connecting rod, a fixing rod is installed at the top of the connecting column, a sagger is placed in a placement frame installed on the fixing rod, and when the furnace door is opened, the gear ring installed on the furnace door rotates, because the gear is meshed with the gear A, the gear A meshes with gear B, which meshes with the toothed plate, and cooperates with the connecting rod and the connecting column to drive the sagger placed in the frame on the fixed rod to move outward from the sintering furnace. After the staff puts the material in the sagger, they close the furnace door to move the sagger into the sintering furnace, and start the electric heating plate installed in the inner wall of the sintering furnace for sintering. The connecting pipe is connected to an external nitrogen source, and the nitrogen enters the furnace bin through the gas equalizing plate and the air inlet hole opened thereon. The gas is filtered through the filter installed at the exhaust window and then discharged. After sintering is completed, the furnace door is opened to move the sagger out of the sintering furnace, and the staff takes out the material in the sagger, avoiding the need for the staff to lean forward and reach their hands into the sintering furnace to take and place the material, making it more convenient to take and place the material, thereby improving the convenience and usability of the sintering device.

[0006] In a further embodiment, an air equalizing plate is installed on the sintering furnace, an air inlet hole is opened on the air equalizing plate, and a connecting pipe is installed on the air equalizing plate. Nitrogen enters the furnace bin through the air equalizing plate and the air inlet hole opened thereon, so that the nitrogen can enter the furnace bin evenly.

[0007] In a further embodiment, an exhaust window is provided on the sintering furnace, and a filter is installed at the exhaust window. The gas in the sintering furnace is filtered through the filter installed at the exhaust window and then discharged.

[0008] In a further embodiment, an electric heating plate is installed in the inner wall of the sintering furnace, and a fixing plate is installed on the sintering furnace. The electric heating plate installed in the inner wall of the sintering furnace is started to perform sintering operations, and the fixing plate cooperates with bolts to fix the sintering furnace.

[0009] In a further embodiment, a valve is installed on the connecting pipe, the connecting pipe is externally connected to a nitrogen source, the valve installed on the connecting pipe controls the gas, and the connecting pipe is externally connected to a nitrogen source.

[0010] In a further embodiment, an observation window is installed on the furnace door to facilitate the staff to observe the sintering conditions in the sintering furnace.

[0011] In a further embodiment, the sagger comprises a placing frame, a placing bin, a turning handle, a screw rod, a ball nut, an auxiliary support plate, a sagger body and a cover plate, the placing frame is provided with a placing bin, the sagger body is placed in the placing bin, the placing frame is rotatably mounted with a turning handle, a turning rod is mounted at one end of the turning handle, a screw rod is mounted at one end of the turning rod, two sections of threads in different directions are arranged on the screw rod, ball nuts are threadedly mounted on the two different sections of threads on the screw rod, connecting blocks are mounted on two groups of the ball nuts, one end of the auxiliary support plate is hingedly mounted on the connecting block, the other ends of the two groups of the auxiliary support plates are rotatably connected via a hinged swivel, the placing frame is mounted in the positive electrode material sintering device, and multiple placing frames can be installed according to production needs. After the sagger body is loaded with materials, the auxiliary rod and the auxiliary slide are connected The cover is slidably connected and is slidably connected with the track opened on the wall of the placement bin through the roller installed on the sagger body, so that the sagger body is placed in the placement bin opened on the placement frame, which is convenient for placing the sagger body. During sintering, the volume of the expansion body installed on the placement frame becomes larger, so that the cover plate moves up and separates from the sagger body, so that the positive electrode material in the sagger body is fully mixed with the atmosphere in the sintering furnace. After the sintering of the positive electrode material is completed, the screw rod is rotated by turning the handle to cooperate with the turning rod, so that the ball nuts threadedly installed on the two sections of threads in different directions on the screw rod move relative to each other, and cooperate with the connecting blocks installed on the two sets of ball nuts, the auxiliary support plates hingedly installed on the connecting blocks, and the hinged swivels installed at the other ends of the two sets of auxiliary support plates to tilt the two sets of auxiliary support plates, and push the sagger out of the placement frame, so that the sagger is more convenient to take and place in the sintering furnace.

[0012] In a further embodiment, a track is provided on the wall of the placement bin, and a roller is installed on the sagger body, and the roller is slidably connected to the track. The sagger body is placed in the placement bin provided on the placement frame through the sliding connection between the roller installed on the sagger body and the track provided on the wall of the placement bin, so as to facilitate the placement of the sagger.

[0013] In a further embodiment, a cover plate is installed on the top of the sagger body, an auxiliary rod is installed on the bottom of the cover plate, an auxiliary slide is opened on the placement frame, the auxiliary rod is slidably connected to the auxiliary slide, and after the sagger is loaded with materials, the cover plate is covered through the auxiliary rod and the auxiliary slide.

[0014] In a further embodiment, an expansion body is installed on the placement frame, and two groups of the expansion bodies are provided. During sintering, the volume of the expansion body installed on the placement frame increases, causing the cover plate to move up and separate from the sagger body, so that the positive electrode material in the sagger body is fully mixed with the atmosphere in the sintering furnace.

[0015] In a further embodiment, a slider is installed on the ball nut, and a slide groove is opened on the inner wall of the placement bin. The slider is slidably connected to the slide groove. When the two groups of ball nuts move relative to each other, the slider installed on the ball nut is slidably connected to the slide groove opened on the inner wall of the placement bin, thereby limiting the rotation of the ball nut while ensuring its stability during movement.

[0016] In a further embodiment, a through hole is provided on the placement frame, and the placement frame is installed in the positive electrode material sintering device. The through hole provided on the placement frame facilitates heating of the sagger body. The placement frame is installed in the positive electrode material sintering device, and multiple placement frames can be installed according to production needs.

[0017] Compared with the prior art, the beneficial effect of the present invention is that it avoids the need for workers to lean forward and reach their hands deep into the sintering furnace to take and place materials, making it more convenient to take and place materials and improving the convenience of the sintering device.

[0018] The rollers installed on the sagger are slidably connected to the tracks opened on the wall of the placement bin, and the sagger is placed in the placement bin opened on the placement frame to facilitate the placement of the sagger. By tilting the two sets of auxiliary support plates, the sagger is pushed out of the placement frame, making it more convenient to take and place the sagger in the sintering furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a front view structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 4 It is a schematic diagram of the top view of the structure of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the installation state of the sagger of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the sagger of the present invention when it is removed; Figure 7 It is a schematic diagram of the cross-sectional structure of the installation state of the sagger of the present invention; Figure 8 It is a schematic diagram of the cross-sectional structure of the sagger of the present invention when it is removed.

[0020] In the figure: 1, sintering furnace; 2, furnace chamber; 3, furnace door; 4, observation window; 5, fixing plate; 6, gear ring; 7, gear A; 8, gear B; 9, gear plate; 10, connecting rod; 11, connecting column; 12, fixing rod; 13, sagger; 14, air inlet; 15, exhaust window; 16, filter screen; 17, air equalizing plate; 18, connecting pipe; 19, valve; 20, electric heating plate; 1301. Placement frame; 1302. Placement bin; 1303. Turning handle; 1304. Turning rod; 1305. Screw rod; 1306. Ball nut; 1307. Connecting block; 1308. Auxiliary support plate; 1309. Articulated swivel; 1310. Track; 1311. Roller; 1312. Sagger body; 1313. Cover plate; 1314. Expansion body; 1315. Auxiliary rod; 1316. Auxiliary slideway; 1317. Sliding block; 1318. Slide groove; 1319. Through hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figure 1-4 , an embodiment of the present invention: a positive electrode material sintering device, comprising a sintering furnace 1, a gear ring 6, a fixed rod 12, a sagger 13, an exhaust window 15, an air distribution plate 17 and a connecting pipe 18, wherein the sintering furnace 1 is provided with a furnace bin 2, a furnace door 3 is installed on the sintering furnace 1 through a hinge, the furnace door 3 is installed with a gear ring 6, a gear A7, a gear B8 and a tooth plate 9 are installed at the bottom bin of the sintering furnace 1, the gear ring 6 is meshed with the gear A7, the gear A7 is meshed with the gear B8, the gear B8 is meshed with the tooth plate 9, a connecting rod 10 is installed on the tooth plate 9, a connecting column 11 is installed at one end of the connecting rod 10, a fixing rod 12 is installed at the top of the connecting column 11, a sagger 13 is placed in a placement frame installed on the fixing rod 12, when the furnace door 3 is opened, the gear ring 6 installed on the furnace door 3 rotates, because the gear 6 is meshed with the gear A7, the gear A7 is meshed with the gear B8, the gear B8 is meshed with the tooth plate 9, a connecting rod 10 is installed on the tooth plate 9, a connecting column 11 is installed at one end of the connecting rod 10, a fixing rod 12 is installed at the top of the connecting column 11, a sagger 13 is placed in a placement frame installed on the fixing rod 12, 7 is meshed with gear B8, gear B8 is meshed with tooth plate 9, and cooperates with connecting rod 10 and connecting column 11 to drive the sagger 13 placed in the frame on the fixed rod 12 to move outward from the sintering furnace 1, so that the sagger 13 is moved outside the sintering furnace 1. After the staff puts the material into the sagger 13, the furnace door 3 is closed to move the sagger 13 into the sintering furnace 1, and the electric heating plate 20 installed in the inner wall of the sintering furnace 1 is started for sintering. The connecting pipe 18 is connected to an external nitrogen source, and the nitrogen enters the furnace bin 2 through the gas equalizing plate 17 and the air inlet 14 opened thereon, and the gas is discharged after being filtered by the filter screen 16 installed at the exhaust window 15. After sintering is completed, the furnace door 3 is opened to move the sagger 13 outside the sintering furnace 1, and the staff takes out the material in the sagger 13, avoiding the need for the staff to lean forward and reach into the sintering furnace to take and put the material, making it more convenient to take and put the material, thereby improving the convenience of the sintering device.

[0023] See also Figure 1-4The sintering furnace 1 is provided with an air equalizing plate 17, an air inlet hole 14 is provided on the air equalizing plate 17, a connecting pipe 18 is provided on the air equalizing plate 17, nitrogen enters the furnace bin 2 through the air equalizing plate 17 and the air inlet hole 14 provided thereon, so that nitrogen can enter the furnace bin 2 evenly, an exhaust window 15 is provided on the sintering furnace 1, a filter screen 16 is provided at the exhaust window 15, and the gas in the sintering furnace 1 is filtered through the filter screen 16 installed at the exhaust window 15 before being discharged.

[0024] See also Figure 1-4 An electric heating plate 20 is installed in the inner wall of the sintering furnace 1, and a fixing plate 5 is installed on the sintering furnace 1. The electric heating plate 20 installed in the inner wall of the sintering furnace 1 is started to perform sintering operation. The fixing plate 5 cooperates with bolts to fix the sintering furnace 1. A valve 19 is installed on the connecting pipe 18. The connecting pipe 18 is externally connected to a nitrogen source. The valve 19 installed on the connecting pipe 18 controls the gas. The connecting pipe 18 is externally connected to a nitrogen source. An observation window 4 is installed on the furnace door 3, so that the staff can observe the sintering situation in the sintering furnace 1.

[0025] Working principle: When the furnace door 3 is opened, the gear ring 6 installed on the furnace door 3 rotates, because the gear 6 is meshed with the gear A7, the gear A7 is meshed with the gear B8, and the gear B8 is meshed with the tooth plate 9, and the connecting rod 10 and the connecting column 11 are cooperated to drive the sagger 13 placed in the frame on the fixed rod 12 to move outward from the sintering furnace 1, so that the sagger 13 is moved outside the sintering furnace 1. After the staff puts the material into the sagger 13, by closing the furnace door 3, the sagger 13 is moved into the sintering furnace 1, and the sagger installed in the inner wall of the sintering furnace 1 is started. The electric heating plate 20 is installed for sintering, and the connecting pipe 18 is connected to an external nitrogen source. The nitrogen enters the furnace bin 2 through the gas equalizing plate 17 and the air inlet 14 opened thereon, and the gas is discharged after being filtered by the filter screen 16 installed at the exhaust window 15. After sintering is completed, the furnace door 3 is opened to move the sagger 13 outside the sintering furnace 1, and the staff takes out the materials in the sagger 13, avoiding the need for the staff to lean forward and reach their hands deep into the sintering furnace to take and place the materials, making it more convenient to take and place the materials, thereby improving the flexibility and usability of the sintering device.

[0026] See also Figure 5-8, an embodiment of the present invention: a positive electrode material sintering device comprises a placing frame 1, a placing bin 2, a turning handle 3, a screw rod 5, a ball nut 6, an auxiliary support plate 8, a sagger 12 and a cover plate 13, the placing frame 1 is provided with a placing bin 2, a sagger 12 is placed in the placing bin 2, the placing frame 1 is rotatably mounted with a turning handle 3, a turning rod 4 is mounted at one end of the turning handle 3, a screw rod 5 is mounted at one end of the turning rod 4, the screw rod 5 is provided with two sections of threads in different directions, ball nuts 6 are threadedly mounted on two different sections of threads on the screw rod 5, two groups of the ball nuts 6 are mounted with connecting blocks 7, one end of the auxiliary support plate 8 is hingedly mounted on the connecting block 7, and the other ends of the two groups of the auxiliary support plates 8 are rotatably connected through a hinged swivel 9, the placing frame 1 is installed in the positive electrode material sintering device, and multiple placing frames 1 can be installed according to production needs, after the sagger 12 is loaded with materials, the auxiliary rod 15 and the auxiliary support plate 8 are connected through the auxiliary rod 15 The auxiliary slide 16 is slidably connected to the cover plate 13, and is slidably connected with the track 10 opened on the wall of the placement bin 2 through the roller 11 installed on the sagger 12, so that the sagger 12 is placed in the placement bin 2 opened on the placement frame 1, which is convenient for the placement of the sagger 12. During sintering, the volume of the expansion body 14 installed on the placement frame 1 becomes larger, so that the cover plate 13 moves up and separates from the sagger 12, so that the positive electrode material in the sagger 12 is fully mixed with the atmosphere in the sintering furnace. After the positive electrode material is sintered, the screw rod 5 is rotated by rotating the handle 3 to cooperate with the rotating rod 4, so that the ball nuts 6 threadedly installed on the two sections of threads in different directions on the screw rod 5 move relative to each other, and cooperate with the connecting blocks 7 installed on the two groups of ball nuts 6, and the auxiliary support plates 8 hingedly installed on the connecting blocks 7, and the hinged swivels 9 installed at the other ends of the two groups of auxiliary support plates 8, so that the two groups of auxiliary support plates 8 are tilted, and the sagger 12 is pushed out of the placement frame 1, so that the sagger 12 in the sintering furnace is more convenient to take and place.

[0027] See also Figure 5-8 A track 1310 is provided on the wall of the placement bin 1302, and a roller 1311 is installed on the sagger body 1312. The roller 1311 is slidably connected to the track 1310. The sagger body 1312 is placed in the placement bin 1302 provided on the placement frame 1301 through the roller 1311 installed on the sagger body 1312 and the track 1310 provided on the bin wall of the placement bin 1302, so as to facilitate the placement of the sagger body 1312. A cover plate 1313 is installed on the top of the sagger body 1312, and an auxiliary rod 1315 is installed on the bottom surface of the cover plate 1313. An auxiliary slide 1316 is provided on the placement frame 1301, and the auxiliary rod 1315 is slidably connected to the auxiliary slide 1316. After the sagger body 1312 is loaded with materials, the cover plate 1313 is slidably connected to the auxiliary slide 1316 through the auxiliary rod 1315 and the auxiliary slide 1316.

[0028] See also Figure 5-8The placing frame 1301 is provided with an expansion body 1314, and the expansion body 1314 is provided with two groups. During sintering, the volume of the expansion body 1314 installed on the placing frame 1301 becomes larger, so that the cover plate 1313 moves up and separates from the sagger body 1312, so that the positive electrode material in the sagger body 1312 is fully mixed with the atmosphere in the sintering furnace. The ball nut 1306 is provided with a slider 1317, and the inner wall of the placing bin 1302 is provided with a slide groove 1318. The slider 1317 is slidably connected with the slide groove 1318, and the two groups of ball nuts 1306 are connected. When moving, the slider 1317 installed on the ball nut 1306 is slidably connected with the slide groove 1318 opened on the inner wall of the placement bin 1302, which limits the rotation of the ball nut 1306 while ensuring its stability when moving. A through hole 1319 is opened on the placement frame 1301, and the placement frame 1301 is installed in the positive electrode material sintering device. The through hole 1319 opened on the placement frame 1301 is convenient for heating the sagger body 1312. The placement frame 1301 is installed in the positive electrode material sintering device, and multiple placement frames 1301 can be installed according to production needs.

[0029] Working principle: The placement frame 1301 is installed in the positive electrode material sintering device. Multiple placement frames 1301 can be installed according to production needs. After the sagger body 1312 is loaded with materials, the cover plate 1313 is slidably connected with the auxiliary rod 1315 and the auxiliary slide 1316 to cover it. The roller 1311 installed on the sagger body 1312 is slidably connected with the track 1310 opened on the wall of the placement bin 1302, and the sagger body 1312 is placed in the placement bin 1302 opened on the placement frame 1301, which is convenient for placing the sagger body 1312. During sintering, the volume of the expansion body 1314 installed on the placement frame 1301 becomes larger, so that the cover plate 1313 moves up and separates from the sagger body 1312, so that the sagger body The positive electrode material in the body 1312 is fully mixed with the atmosphere in the sintering furnace. After the positive electrode material is sintered, the screw 1305 is rotated by turning the handle 1303 to cooperate with the rotating rod 1304, so that the ball nuts 1306 threadedly installed on the two sections of threads in different directions on the screw 1305 move relatively, and cooperate with the connecting blocks 1307 installed on the two groups of ball nuts 1306, the auxiliary support plates 1308 hingedly installed on the connecting blocks 1307, and the hinged swivels 1309 installed at the other ends of the two groups of auxiliary support plates 1308, so that the two groups of auxiliary support plates 1308 are tilted, and the sagger body 1312 is pushed out of the placement frame 1301, so that the sagger body 1312 in the sintering furnace is more convenient to take and put.

[0030] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A positive electrode material sintering device, comprising a sintering furnace (1), a gear ring (6), a fixing rod (12), a sagger (13), an exhaust window (15), an air distribution plate (17) and a connecting pipe (18), characterized in that: The sintering furnace (1) is provided with a furnace bin (2), a furnace door (3) is installed on the sintering furnace (1) via a hinge, a gear ring (6) is installed on the furnace door (3), a gear A (7), a gear B (8) and a toothed plate (9) are installed on the bottom bin of the sintering furnace (1), the gear ring (6) is meshed with the gear A (7), the gear A (7) is meshed with the gear B (8), the gear B (8) is meshed with the toothed plate (9), a connecting rod (10) is installed on the toothed plate (9), a connecting column (11) is installed at one end of the connecting rod (10), a fixing rod (12) is installed at the top end of the connecting column (11), and a sagger (13) is placed in a placement frame installed on the fixing rod (12).

2. A positive electrode material sintering device according to claim 1, characterized in that: The sintering furnace (1) is provided with an air distribution plate (17), the air distribution plate (17) is provided with an air inlet hole (14), the air distribution plate (17) is provided with a connecting pipe (18), the connecting pipe (18) is provided with a valve (19), and the connecting pipe (18) is externally connected to a nitrogen source.

3. The positive electrode material sintering device according to claim 1, characterized in that: The sintering furnace (1) is provided with an exhaust window (15), and a filter screen (16) is installed at the exhaust window (15).

4. The positive electrode material sintering device according to claim 1, characterized in that: An electric heating plate (20) is installed in the inner wall of the sintering furnace (1), and a fixing plate (5) is installed on the sintering furnace (1).

5. The positive electrode material sintering device according to claim 1, characterized in that: An observation window (4) is installed on the furnace door (3).

6. The positive electrode material sintering device according to claim 1, characterized in that: The sagger (13) comprises a placement frame (1301), a placement bin (1302), a turning handle (1303), a screw rod (1305), a ball nut (1306), an auxiliary support plate (1308), a sagger body (1312) and a cover plate (1313); the placement frame (1301) is provided with a placement bin (1302), the sagger body (1312) is placed in the placement bin (1302), the placement frame (1301) is rotatably provided with a turning handle (1303), and a turning rod is installed at one end of the turning handle (1303). (1304), a screw rod (1305) is installed at one end of the rotating rod (1304), and two sections of threads in different directions are arranged on the screw rod (1305), and ball nuts (1306) are threadedly installed on the two different sections of threads on the screw rod (1305), and two groups of ball nuts (1306) are installed with connecting blocks (1307), and one end of an auxiliary support plate (1308) is hingedly installed on the connecting block (1307), and the other ends of the two groups of auxiliary support plates (1308) are rotatably connected through a hinged swivel (1309).

7. A positive electrode material sintering device according to claim 6, characterized in that: A track (1310) is provided on the wall of the placement bin (1302), and a roller (1311) is installed on the sagger body (1312), and the roller (1311) is slidably connected to the track (1310).

8. The positive electrode material sintering device according to claim 6, characterized in that: A cover plate (1313) is installed on the top of the sagger body (1312), an auxiliary rod (1315) is installed on the bottom surface of the cover plate (1313), an auxiliary slideway (1316) is provided on the placement frame (1301), and the auxiliary rod (1315) is slidably connected to the auxiliary slideway (1316).

9. The positive electrode material sintering device according to claim 6, characterized in that: An expansion body (1314) is installed on the placement frame (1301), and two groups of the expansion bodies (1314) are provided; a through hole (1319) is opened on the placement frame (1301), and the placement frame (1301) is installed in a positive electrode material sintering device.

10. The positive electrode material sintering device according to claim 6, characterized in that: A sliding block (1317) is installed on the ball nut (1306), a sliding groove (1318) is provided on the inner wall of the placement bin (1302), and the sliding block (1317) is slidably connected to the sliding groove (1318).

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