Anti-oxidation mixing device for carbon negative electrode material of lithium battery

Abstract

The utility model discloses a lithium battery carbon cathode material anti-oxidation mixing device which is characterized in that a crushing groove is formed in one side above a support frame, two symmetrical shaft rods are arranged at the upper end of the crushing groove, one shaft rod is positioned on one side outside the crushing groove and is fixedly connected with a rotating shaft of a first motor, and a crushing tool bit is arranged at one end of the shaft rod in the crushing groove; the ends, away from the first motor, of the two shaft rods are meshed through a first gear, a mixing roller is arranged on the side, away from the smashing groove, of the upper portion of the supporting frame, a second motor is arranged on the portion, located below the smashing groove, of the supporting frame, a rotating shaft of the second motor is fixedly connected with a connecting rod, and a second gear is arranged on the connecting rod. And the gear ring is in transmission connection with the second gear through a chain. The mixing device is simple in structure and convenient to operate, the uniformity of the lithium battery negative electrode material is guaranteed in a crushing mode, and the phenomenon of oxidation of the lithium battery negative electrode material is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to an anti-oxidation mixing device for carbon negative electrode materials of lithium batteries. Background Art

[0002] Lithium batteries are divided into lithium batteries and lithium-ion batteries. Mobile phones and laptops use lithium-ion batteries, which are commonly referred to as lithium batteries. Batteries generally use materials containing lithium elements as electrodes and are the representative of modern high-performance batteries. However, real lithium batteries are rarely used in daily electronic products due to their high risk. The main raw materials of lithium batteries are industrially processed through carbon materials. In the industrial production process, the stability and uniformity of the product quality of the materials and the consistency between batches are particularly critical. The quality stability mainly involves the uniform particle size of the powder particles of the lithium battery carbon negative electrode material, so the carbon raw materials and some basic auxiliary materials need to be crushed and then mixed to prevent oxidation. For this reason, we proposed an anti-oxidation mixing device for lithium battery carbon negative electrode materials. Utility Model Content

[0003] In order to solve the above problems, the utility model provides an anti-oxidation mixing device for carbon negative electrode materials of lithium batteries.

[0004] The utility model discloses an anti-oxidation mixing device for carbon negative electrode materials of lithium battery, a crushing groove is provided on one side above the support frame, two symmetrical shaft rods are provided on the upper end of the crushing groove, one shaft rod is located outside the crushing groove and is fixedly connected to the rotating shaft of the first motor, the first motor is fixedly connected to the crushing groove, a crushing cutter head is provided on one end of the shaft rod located in the crushing groove, and the two shaft rods are meshed with each other through a first gear at one end away from the first motor, a mixing drum is provided on the side above the support frame away from the crushing groove, the crushing groove is connected to the mixing drum through a material guide groove below the support frame, a second motor is provided below the crushing groove, the rotating shaft of the second motor is fixedly connected to a connecting rod, a second gear is provided on the connecting rod, a gear ring matching the second gear is provided on the mixing drum, and the gear ring and the second gear are connected through a chain transmission.

[0005] In the above scheme, the support frame is provided with four groups of support plates arranged in a matrix on one side close to the mixing drum, each group of the support plates is provided with two, a roller is provided between each group of two support plates, and a limiting plate matching the roller is provided on the mixing drum.

[0006] In the above solution, a cover body is provided in the middle of the mixing drum away from the crushing tank.

[0007] In the above solution, the support frame is provided with a discharge chute below the cover body.

[0008] In the above scheme, a feed trough is provided above the crushing trough, and the cross section of the feed trough is an inverted cone.

[0009] In the above solution, a bearing seat is sleeved on the outer side of one end of the connecting rod away from the second motor, and the bearing seat is fixedly connected to the support frame.

[0010] The advantages and beneficial effects of the utility model are as follows: the utility model provides an anti-oxidation mixing device for carbon negative electrode materials of lithium batteries, wherein the first motor drives the shaft to rotate, and the shaft drives the first gear to rotate, and the two shafts rotate in opposite directions through the interaction between the two first gears, and the rotating shaft drives the crushing cutter head to rotate, so that the carbon raw material can be crushed by the rotating crushing cutter head, and the second motor drives the connecting rod and the second gear to rotate, and the toothed ring connected to the second gear by the chain transmission also rotates under the drive of the second gear, and the mixing drum also rotates through the transmission of the toothed ring, and the rotating mixing drum allows the carbon negative electrode materials of lithium batteries inside to be evenly mixed. This mixing device has a simple structure and is easy to operate. It ensures the uniformity of the negative electrode materials of lithium batteries through crushing, and effectively avoids the oxidation of the negative electrode materials of lithium batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is the front view of the utility model;

[0014] Figure 3 It is a top view of the utility model;

[0015] Figure 4 This is a schematic structural diagram of part A of the utility model.

[0016] In the figure: 1, support frame 2, crushing tank 3, shaft 4, first motor

[0017] 5. First gear 6. Crushing blade 7. Mixing drum 8. Guide trough 9. Second motor 10. Connecting rod 11. Second gear 12. Gear ring

[0018] 13. Chain 14. Support plate 15. Roller 16. Limit plate

[0019] 17, cover body 18, discharge chute 19, feed chute 20, bearing seat. DETAILED DESCRIPTION

[0020] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0021] like Figure 1-4 As shown, the utility model is an anti-oxidation mixing device for carbon negative electrode materials of lithium batteries, including a support frame 1, a crushing groove 2 is arranged on one side above the support frame 1, and two symmetrical shaft rods 3 are arranged on the upper end of the crushing groove 2, and the two ends of the shaft rod 3 are movably connected to the side walls of the crushing groove 2, one of the shaft rods 3 is located on the outside of the crushing groove 2 and is fixedly connected to the rotating shaft of the first motor 4, the first motor 4 is fixedly connected to the crushing groove 2, and a crushing cutter head 6 is arranged on one end of the shaft rod 3 located in the crushing groove 2, and the two shaft rods 3 are meshed with each other at one end away from the first motor 4 through a first gear 5. When the first motor 4 is working, the first motor 4 drives the shaft rod 3 to rotate, and the shaft rod 3 drives the first gear 5 to rotate. Through the mutual interaction between the two first gears 5, the two shaft rods 3 rotate in opposite directions, and the rotating shaft rod 3 drives the crushing cutter head 6 to rotate, so that the carbon raw material can be crushed by the rotating crushing cutter head 6. The top of the support frame 1 is far away from the crushing groove 2 A mixing drum 7 is provided on one side, and the lower part of the crushing trough 2 is connected to the mixing drum 7 through a material guide trough 8. The lithium battery carbon negative electrode material crushed by the crushing cutter head 6 can enter the mixing drum 7 through the material guide trough 8. The support frame 1 is located below the crushing trough 2 and is provided with a second motor 9. The rotating shaft of the second motor 9 is fixedly connected to the connecting rod 10. The connecting rod 10 is provided with a second gear 11. The mixing drum 7 is provided with a toothed ring 12 matching the second gear 11. The toothed ring 12 and the second gear 11 are connected by a chain 13. When the second motor 9 is working, the second motor 9 drives the connecting rod 10 and the second gear 11 to rotate, and the toothed ring 12 connected to the second gear 11 by the chain 13 also rotates under the drive of the second gear 11. Through the transmission of the toothed ring 12, the mixing drum 7 also rotates. The rotating mixing drum 7 allows the lithium battery carbon negative electrode material inside it to be evenly mixed.

[0022] The support frame 1 is provided with four groups of support plates 14 arranged in a matrix on one side close to the mixing drum 7, each group of the support plates 14 is provided with two, and a roller 15 is provided between each group of two support plates 14. The mixing drum 7 is provided with a limiting plate 16 matching the roller 15. The support plates 14 and the roller 15 can support the mixing drum 7, thereby effectively improving the rotation stability of the mixing drum 7.

[0023] A cover 17 is provided in the middle of the mixing drum 7 away from the crushing tank 2 , and the cover 17 can seal the end of the mixing drum 7 .

[0024] The support frame 1 is provided with a discharge chute 18 below the cover 17 , and the mixed lithium battery negative electrode material can be discharged through the discharge chute 18 .

[0025] A feed trough 19 is provided above the pulverizing trough 2 . The cross section of the feed trough 19 is an inverted cone. The lithium battery negative electrode material to be pulverized can enter the pulverizing trough 2 through the feed trough 19 .

[0026] A bearing seat 20 is sleeved on the outer side of one end of the connecting rod 10 away from the second motor 9 . The bearing seat 20 is fixedly connected to the support frame 1 . The setting of the bearing seat 20 effectively increases the rotation stability of the connecting rod 10 .

[0027] Specifically, in the utility model, the lithium battery negative electrode material to be crushed can enter the crushing tank 2 through the feed trough 19. When the first motor 4 is working, the first motor 4 drives the shaft rod 3 to rotate, and the shaft rod 3 drives the first gear 5 to rotate. Through the interaction between the two first gears 5, the two shaft rods 3 rotate in opposite directions. The rotating shaft rod 3 drives the crushing cutter head 6 to rotate, so that the carbon raw material can be crushed by the rotating crushing cutter head 6. The lithium battery carbon negative electrode material crushed by the crushing cutter head 6 can enter the mixing drum 7 through the guide trough 8. When the second motor 9 is working, the second motor 9 drives the connecting rod 10 and the second gear 11 to rotate, and the toothed ring 12 connected to the second gear 11 by the chain 13 also rotates under the drive of the second gear 11. Through the transmission of the toothed ring 12, the mixing drum 7 also rotates. The rotating mixing drum 7 allows the lithium battery carbon negative electrode material inside it to be evenly mixed.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium battery carbon negative electrode material anti-oxidation mixing device, comprising a support frame (1), characterized in that: A crushing groove (2) is provided on one side above the support frame (1), and two symmetrical shafts (3) are provided on the upper end of the crushing groove (2). One of the shafts (3) is located outside the crushing groove (2) and is fixedly connected to the rotating shaft of the first motor (4). The first motor (4) is fixedly connected to the crushing groove (2). A crushing blade (6) is provided on one end of the shaft (3) located inside the crushing groove (2). The two shafts (3) are meshed with each other at one end away from the first motor (4) through a first gear (5). The upper end of the support frame (1) is away from the crushing groove (2). A mixing drum (7) is provided on one side, and the crushing trough (2) is connected to the mixing drum (7) through a material guide trough (8) below. The support frame (1) is provided with a second motor (9) below the crushing trough (2). The rotating shaft of the second motor (9) is fixedly connected to a connecting rod (10). The connecting rod (10) is provided with a second gear (11). The mixing drum (7) is provided with a toothed ring (12) matching the second gear (11). The toothed ring (12) and the second gear (11) are connected by a chain (13) for transmission.

2. The anti-oxidation mixing device for carbon negative electrode materials of lithium battery according to claim 1, characterized in that: The support frame (1) is provided with four groups of support plates (14) arranged in a matrix on one side close to the mixing drum (7), each group of the support plates (14) is provided with two, a roller (15) is provided between each group of two support plates (14), and a limiting plate (16) matching the roller (15) is provided on the mixing drum (7).

3. The anti-oxidation mixing device for carbon negative electrode materials of lithium battery according to claim 1, characterized in that: A cover body (17) is provided in the middle of the mixing drum (7) on the side away from the crushing tank (2).

4. The anti-oxidation mixing device for carbon negative electrode materials of lithium battery according to claim 3, characterized in that: The support frame (1) is provided with a discharge chute (18) below the cover body (17).

5. The anti-oxidation mixing device for carbon negative electrode materials of lithium battery according to claim 1, characterized in that: A feeding trough (19) is provided above the pulverizing trough (2), and the cross section of the feeding trough (19) is an inverted cone.

6. The anti-oxidation mixing device for carbon negative electrode materials of lithium battery according to claim 1, characterized in that: A bearing seat (20) is sleeved on the outer side of one end of the connecting rod (10) away from the second motor (9), and the bearing seat (20) is fixedly connected to the support frame (1).

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