Lithium iron phosphate sintering device

Abstract

The utility model relates to the technical field of sintering, and discloses a lithium iron phosphate sintering device which comprises a bottom plate, a separation mechanism is arranged on the bottom plate, a second side plate is fixedly connected to the bottom plate, a second motor is fixedly connected to the second side plate, and the output end of the second motor is fixedly connected with a furnace body. When the interior of the furnace body needs to be maintained and cleaned, a first motor is started to drive a threaded column to rotate, a movable seat of the threaded column drives a first side plate to move leftwards along a guide groove, at the moment, an end cover is driven to move leftwards, and a positioning pin on the end cover is separated from the interior of a positioning hole in a butt joint ring; and after the end cover is moved to a proper distance, separation of the end cover and the furnace body is completed, and the interior of the sintering furnace can be conveniently and rapidly cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to sintering technical field, concretely is a kind of lithium iron phosphate sintering device. BACKGROUND

[0002] The positive electrode material of commercialized lithium ion battery is mainly Li CoO2, which has reliable performance and long cycle life. However, the material is too high in cost due to the relative lack of cobalt resources. Moreover, cobalt has certain toxicity, and there are unsafe factors when the battery is misused. Therefore, people have been trying to find materials that can replace Li CoO2. Among various possible materials to replace lithium cobaltate, lithium iron phosphate is one of the current research hotspots. Lithium iron phosphate plays a very important role in our production and life, and lithium iron phosphate needs to be sintered during use.

[0003] According to the patent with the publication number "CN217383735U", a lithium iron phosphate sintering device is disclosed, which belongs to the technical field of lithium iron phosphate production. It aims to solve the problems of poor contact and mixing of raw materials in the sintering furnace and low cooling efficiency of the sintering furnace after sintering, which affect the processing efficiency. The device includes a bottom plate, a rotating seat a and a rotating seat b fixed on the top side of the bottom plate, a rotating shaft fixed at the center of both ends of the sintering furnace and rotatingly connected with the top ends of the rotating seat a and the rotating seat b, a swing mechanism connected with the output end of the motor at the top end of the rotating seat b, and a cooling mechanism arranged on the outer wall of the sintering furnace. The utility model drives the sintering furnace to swing back and forth through the swing mechanism, so that the reactants in the sintering furnace are stirred back and forth, improving the reactivity. The cooling water flowing in the cooling mechanism quickly removes the heat from the sintering furnace during the flow process, improving the cooling efficiency of the sintering furnace.

[0004] Currently, the existing lithium iron phosphate sintering needs to be maintained and cleaned inside the sintering furnace after multiple uses to ensure the use effect of the sintering furnace. When the existing sintering furnace is cleaned, complex disassembly work is required, which affects the cleaning efficiency of the sintering furnace. Therefore, a lithium iron phosphate sintering device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to provide a lithium iron phosphate sintering device to solve the above problems.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme: a lithium iron phosphate sintering device, comprising a bottom plate, a separation mechanism is arranged on the bottom plate, a second side plate is fixedly connected to the bottom plate, a second motor is fixedly connected to the second side plate, and a furnace body is fixedly connected to the output end of the second motor.

[0007] The separation mechanism comprises a first side plate and a moving seat, the first side plate is fixedly connected to the moving seat, a rotating shaft is hingedly connected to the first side plate through a bearing, an end cover is fixedly connected to the rotating shaft, a positioning pin is fixedly connected to the end cover, a butt joint ring is fixedly connected to the furnace body, a positioning hole is formed in the butt joint ring, the positioning pin is inserted into the positioning hole, a fixing seat is fixedly connected to the bottom plate, a first motor is fixedly connected to the first side plate, a threaded column is fixedly connected to the output end of the first motor, and the threaded column is threadedly connected to the fixing seat.

[0008] Preferably, a guide groove is formed in the bottom plate, the moving seat is slidingly connected in the guide groove, and a sealing ring is fixedly connected to the butt joint ring.

[0009] Preferably, an internal thread hole is formed in the fixing seat, the threaded column is threadedly connected in the fixing seat, and the first side plate can be moved to the left by rotating the threaded column.

[0010] Preferably, a hydraulic oil cylinder is fixedly connected to the fixing seat, and a supporting seat is fixedly connected to the telescopic end of the hydraulic oil cylinder, so that the supporting seat can support the furnace body by starting the hydraulic oil cylinder.

[0011] Preferably, a fixing mechanism is arranged on the first side plate, the fixing mechanism comprises a gear and a fixing plate, the fixing plate is fixedly connected to the first side plate, and the gear is fixedly connected to the rotating shaft, so that the end cover can be conveniently fixed by the fixing mechanism.

[0012] Preferably, a gas cylinder is fixedly connected to the fixing plate, a tooth block is fixedly connected to the telescopic end of the gas cylinder, and the tooth block is engaged with the gear, so that the up-down position of the tooth block can be adjusted by starting the gas cylinder.

[0013] The above technical solution can bring the following beneficial effects:

[0014] 1. When the inside of the furnace body needs to be maintained and cleaned, the first motor is started to drive the threaded column to rotate, so that the moving seat drives the first side plate to move to the left along the guide groove, at this time, the end cover is driven to move to the left, the positioning pin on the end cover is separated from the inside of the positioning hole on the butt joint ring, the end cover is moved to an appropriate distance, the separation of the end cover and the furnace body is completed, and the inside of the sintering furnace can be quickly cleaned.

[0015] 2. The hydraulic oil cylinder is started to drive the supporting seat to ascend and abut against the bottom of the furnace body, so that the furnace body is supported, and the instability of the furnace body caused by gravity after the end cover is separated from the furnace body is avoided.

[0016] 3、The lithium iron phosphate sintering device, through the setting fixed mechanism can be fixed to the end cover, avoid the furnace body in the up and down material furnace body appears the situation of rotation, when the furnace body needs to rotate, can start the cylinder and make its tooth block far away from the gear, release the meshing state of the tooth block and the gear, at this time the furnace body can be driven by the second motor to rotate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the separation mechanism structure schematic diagram of the utility model;

[0019] Figure 3 It is the first side plate structure schematic diagram of the utility model;

[0020] Figure 4 It is the butt joint ring structure schematic diagram of the utility model;

[0021] Figure 5 It is the fixed seat structure schematic diagram of the utility model.

[0022] In the drawing: 1, bottom plate; 2, separation mechanism; 201, first side plate; 202, moving seat; 203, rotating shaft; 204, first motor; 205, threaded column; 206, guide groove; 207, fixed seat; 208, end cover; 209, positioning pin; 210, internal thread hole; 211, butt joint ring; 212, sealing ring; 213, positioning hole; 3, fixed mechanism; 301, gear; 302, fixed plate; 303, cylinder; 304, tooth block; 4, second side plate; 5, second motor; 6, furnace body; 7, hydraulic oil cylinder; 8, support seat. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 An embodiment of the utility model is: a lithium iron phosphate sintering device, comprising a bottom plate 1, the bottom plate 1 is provided with a separation mechanism 2, the bottom plate 1 is fixedly connected with a second side plate 4, the second side plate 4 is fixedly connected with a second motor 5, and the output end of the second motor 5 is fixedly connected with a furnace body 6;

[0025] The separating mechanism 2 comprises a first side plate 201 and a moving seat 202, the first side plate 201 is fixedly connected to the moving seat 202, the first side plate 201 is hingedly connected with a rotating shaft 203 through a bearing, the rotating shaft 203 is fixedly connected with an end cover 208, the end cover 208 is fixedly connected with a positioning pin 209, a butt joint ring 211 is fixedly connected to the furnace body 6, the butt joint ring 211 is provided with a positioning hole 213, the positioning pin 209 is inserted into the positioning hole 213, a fixed seat 207 is fixedly connected to the bottom plate 1, a first motor 204 is fixedly connected to the first side plate 201, a threaded column 205 is fixedly connected to the output end of the first motor 204, and the threaded column 205 is screwed into the fixed seat 207, when it is needed to maintain and clean the inside of the furnace body 6, the first motor 204 is started to drive the threaded column 205 to rotate, so that the moving seat 202 drives the first side plate 201 to move leftwards along the guide groove 206, at this time, the end cover 208 is driven to move leftwards, and the positioning pin 209 on the end cover 208 is separated from the inside of the positioning hole 213 on the butt joint ring 211, after the end cover 208 is moved to an appropriate distance, the separation of the end cover 208 from the furnace body 6 is completed, so that the inside of the sintering furnace can be quickly cleaned, the hydraulic oil cylinder 7 is started to make the supporting seat 8 ascend and abut against the bottom of the furnace body 6, so that the furnace body 6 is supported, and the instability of the furnace body 6 caused by gravity after the end cover 208 is separated from the furnace body 6 is avoided.

[0026] The guide groove 206 is formed in the bottom plate 1, the moving seat 202 is slidingly connected into the guide groove 206, and the butt joint ring 211 is fixedly connected with a sealing ring 212, so that the sealing property of the butt joint of the end cover 208 and the butt joint ring 211 is improved.

[0027] The fixed seat 207 is provided with an internal thread hole 210, and the threaded column 205 is screwed into the inside of the fixed seat 207, so that the first side plate 201 can be moved leftwards by rotating the threaded column 205.

[0028] The fixed seat 207 is fixedly connected with the hydraulic oil cylinder 7, and the supporting seat 8 is fixedly connected to the extension end of the hydraulic oil cylinder 7, so that the supporting seat 8 can support the furnace body 6 by starting the hydraulic oil cylinder 7.

[0029] Working principle: when the inside of the furnace body 6 needs to be maintained and cleaned, the first motor 204 is started to drive the threaded column 205 to rotate, so that the moving seat 202 drives the first side plate 201 to move left along the guide groove 206, at this time the end cover 208 is driven to move left, the positioning pin 209 on the end cover 208 is separated from the positioning hole 213 in the abutting ring 211, after the end cover 208 is moved to the appropriate distance, the separation of the end cover 208 and the furnace body 6 is completed, so that the inside of the sintering furnace can be quickly cleaned, the hydraulic oil cylinder 7 is started to make the supporting seat 8 rise and abut on the bottom of the furnace body 6, so that the supporting effect of the furnace body 6 is achieved, and the unstable condition of the furnace body 6 due to gravity after the end cover 208 is separated from the furnace body 6 is avoided.

[0030] Please refer to Figures 1-5 On the basis of the above embodiment, in another embodiment of the utility model, the first side plate 201 is provided with a fixing mechanism 3, the fixing mechanism 3 includes a gear 301 and a fixed plate 302, the fixed plate 302 is fixedly connected on the first side plate 201, and the gear 301 is fixedly connected on the rotating shaft 203, and the fixing mechanism 3 can be conveniently arranged to fix the end cover 208.

[0031] The fixed plate 302 is fixedly connected with a cylinder 303, the telescopic end of the cylinder 303 is fixedly connected with a tooth block 304, the tooth block 304 is engaged with the gear 301, and the up-down position of the tooth block 304 can be adjusted by starting the cylinder 303.

[0032] Working principle: the fixing mechanism 3 can be arranged to fix the end cover 208, so that the rotation of the furnace body 6 during feeding and discharging is avoided, when the furnace body 6 needs to be rotated, the cylinder 303 can be started to make the tooth block 304 away from the gear 301, so that the engagement state of the tooth block 304 and the gear 301 is released, and at this time the furnace body 6 can be rotated under the drive of the second motor 5.

[0033] The utility model provides a kind of lithium iron phosphate sintering device, and there are many methods and ways to realize the technical scheme, above-mentioned is only preferred implementation mode of the utility model, it should be pointed out, for the ordinary skilled in the art of this technology, without departing from the principle of the utility model, still can make some improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The components not specified in the embodiment can be realized by prior art.

Claims

1. A lithium iron phosphate sintering device comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a separation mechanism (2), the bottom plate (1) is fixedly connected with a second side plate (4), the second side plate (4) is fixedly connected with a second motor (5), and the output end of the second motor (5) is fixedly connected with a furnace body (6); The separation mechanism (2) comprises a first side plate (201) and a moving seat (202), the first side plate (201) is fixedly connected with the moving seat (202), the first side plate (201) is hingedly connected with a rotating shaft (203) through a bearing, the rotating shaft (203) is fixedly connected with an end cover (208), the end cover (208) is fixedly connected with a positioning pin (209), the furnace body (6) is fixedly connected with a butt joint ring (211), the butt joint ring (211) is provided with a positioning hole (213), the positioning pin (209) is inserted into the positioning hole (213), the bottom plate (1) is fixedly connected with a fixed seat (207), the first side plate (201) is fixedly connected with a first motor (204), the output end of the first motor (204) is fixedly connected with a threaded column (205), and the threaded column (205) is screwed in the fixed seat (207).

2. The lithium iron phosphate sintering device of claim 1, wherein: The bottom plate (1) is provided with a guide groove (206), and the moving seat (202) is slidably connected in the guide groove (206).

3. The lithium iron phosphate sintering device of claim 1, wherein: The fixed seat (207) is provided with an internal thread hole (210), and the threaded column (205) is screwed in the fixed seat (207).

4. The lithium iron phosphate sintering device of claim 1, wherein: The fixed seat (207) is fixedly connected with a hydraulic oil cylinder (7), and the telescopic end of the hydraulic oil cylinder (7) is fixedly connected with a supporting seat (8).

5. The lithium iron phosphate sintering device of claim 1, wherein: The first side plate (201) is provided with a fixing mechanism (3), the fixing mechanism (3) comprises a gear (301) and a fixed plate (302), the fixed plate (302) is fixedly connected with the first side plate (201), and the gear (301) is fixedly connected with the rotating shaft (203).

6. The lithium iron phosphate sintering device of claim 5, wherein: The fixed plate (302) is fixedly connected with a gas cylinder (303), the telescopic end of the gas cylinder (303) is fixedly connected with a tooth block (304), and the tooth block (304) is engaged with the gear (301).

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