Special feeding structure for pitch-based carbon fiber raw materials
By designing a feeding structure consisting of an elevator box, feed hopper, discharge hopper, and return auger in the production of pitch-based carbon fiber raw materials, the problem of aggregate spillage and accumulation was solved, and the stable operation of the elevator was achieved.
Patent Information
- Application Number
- CN202422983159.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-02-18
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-04
AI Technical Summary
During the production of pitch-based carbon fiber raw materials, when the bucket elevator is feeding materials, the aggregate is prone to spilling out and accumulating at the bottom of the elevator, causing jamming and affecting the stability of operation.
A special feeding structure for pitch-based carbon fiber raw materials was designed, including an elevator box, a feed hopper, a discharge hopper, a conveying pipe, and a return auger. The spilled raw materials are sent back to the feed hopper through the inclined conveying pipe and the return auger, reducing the accumulation at the bottom.
This effectively reduces the accumulation of raw materials at the bottom of the bucket elevator, improving the stability and reliability of the equipment operation.
Smart Images

Figure CN223560437U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to pitch processing technical field, specifically is a kind of pitch-based carbon fiber raw material special feeding structure. BACKGROUND
[0002] When feeding aggregate in pitch-based carbon fiber raw material production process, aggregate is often moved from lower position to higher position, the reason is that the height of the feeding port of part of machine, such as screening machine, running by gravity is higher, and in this process, it needs to be fed by bucket elevator.
[0003] At present, when the bucket elevator feeds pitch-based carbon fiber raw material, part of aggregate will be spilled from the hopper of the elevator after entering the elevator, and this part of spilled aggregate is difficult to clean up at the bottom of the elevator, which may cause the elevator to be stuck and affect the stable operation of the elevator
[0004] Therefore, the utility model provides a pitch-based carbon fiber raw material special feeding structure to solve the above problems. INVENTION CONTENTS
[0005] To solve the above technical problems, the utility model provides a pitch-based carbon fiber raw material special feeding structure to solve the problems in the prior art.
[0006] A pitch-based carbon fiber raw material special feeding structure, comprising an elevator box, a lifting mechanism is installed inside the elevator box, a feeding hopper is arranged at the bottom of one side of the elevator box, a discharging hopper is arranged at the top of the side of the elevator box away from the feeding hopper, a first feeding pipe is further arranged at one side of the bottom of the elevator box, a second feeding pipe is arranged at the same side of the feeding hopper, the other end of the first feeding pipe and the second feeding pipe is jointly connected with a return pipe, and a return auger is installed inside the return pipe.
[0007] Further, the first feeding pipe is inclined downward at the end away from the elevator box, and the second feeding pipe is inclined downward at the end close to the feeding hopper.
[0008] Further, the lifting mechanism comprises a first rotating shaft and a second rotating shaft respectively installed at the top inside and the bottom inside of the elevator box, a first sprocket and a second sprocket are respectively sleeved on the surfaces of the first rotating shaft and the second rotating shaft, a chain is jointly sleeved on the surfaces of the first sprocket and the second sprocket, and a plurality of lifting hoppers are uniformly installed on the outside of the chain.
[0009] Further, the two sides of the bottom of the elevator box are provided with movable grooves, a pair of guide rods are symmetrically installed on the surface of the elevator box on the two sides of the movable grooves, the two ends of the second rotating shaft respectively pass out of the surface of the elevator box from the inner sides of the two movable grooves, and the surfaces of the two ends are rotatably provided with connecting blocks, the two connecting blocks are respectively slidably connected with the two pairs of guide rods, a limiting plate is arranged at the position close to the top end of the movable groove on the surface of the elevator box, springs are arranged between the limiting plate and the close connecting block, and the two ends of the spring are respectively abutted against the opposite sides of the connecting block and the limiting plate.
[0010] Further, the inner side of the bottom of the discharge hopper is provided with a discharge port at the position away from the elevator box, and a plurality of lining plates are uniformly arranged between the discharge port and the elevator box.
[0011] Further, a first motor is fixedly installed on one side of the surface of the elevator box, the output end of the first motor is drivingly connected with the first rotating shaft, and a second motor is fixedly installed on one end of the return pipe, and the output end of the second motor is drivingly connected with the return auger.
[0012] Compared with the prior art, the utility model has the advantages of:
[0013] In the utility model, the raw materials spilled from the lifting hopper fall to the bottom of the inner side of the elevator box and enter the first material conveying pipe arranged obliquely, the raw materials enter the return pipe after passing through the first material conveying pipe, the return auger in the return pipe is driven to rotate by the second motor, so that the raw materials are lifted and sent to the second material conveying pipe, and finally the raw materials return to the feeding hopper in the second material conveying pipe arranged obliquely and are lifted again, and in this way, the amount of raw materials accumulated at the bottom of the bucket elevator can be greatly reduced, so that the influence of the raw materials on the operation of the elevator is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is the three-dimensional schematic view of the utility model;
[0015] Figure 2 is the partial schematic view of the utility model;
[0016] Figure 3 is the plane cross-sectional schematic view of the utility model;
[0017] Figure 4 is the partial enlarged schematic view of A in the utility model Figure 2
[0018] Figure 5 is the partial enlarged schematic view of B in the utility model Figure 3 .
[0019] In the drawings:
[0020] 1, the elevator box; 2, feed hopper; 3, discharge hopper; 4, first feed pipe; 5, second feed pipe; 6, return pipe; 7, return auger; 8, first rotating shaft; 9, second rotating shaft; 10, first sprocket; 11, second sprocket; 12, chain; 13, lifting hopper; 14, movable groove; 15, guide rod; 16, connecting block; 17, limiting plate; 18, spring; 19, discharge port; 20, lining plate; 21, first motor; 22, second motor. DETAILED DESCRIPTION
[0021] The embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.
[0022] As Figures 1-5 shown, the present application provides a special feeding structure for asphalt-based carbon fiber raw materials, which comprises an elevator box 1, a lifting mechanism is installed inside the elevator box 1, a feed hopper 2 is arranged at the bottom of one side of the elevator box 1, a discharge hopper 3 is arranged at the top of the side of the elevator box 1 away from the feed hopper 2, a first feed pipe 4 is further arranged at the side of the bottom of the elevator box 1, a second feed pipe 5 is arranged at the same side of the feed hopper 2 as the first feed pipe 4, a return pipe 6 is connected to the other ends of the first feed pipe 4 and the second feed pipe 5, a return auger 7 is installed inside the return pipe 6, and the raw materials entering the return pipe 6 are sent into the second feed pipe 5 by the return auger 7.
[0023] Among them, the end of the first feed pipe 4 away from the elevator box 1 is inclined downward, so that the raw materials accumulated at the bottom of the elevator box 1 can slide into the return pipe 6 under the influence of gravity, and the end of the second feed pipe 5 close to the feed hopper 2 is inclined downward, which can make the raw materials entering the second feed pipe 5 slide into the feed hopper 2, and on the other hand, since the height of the second feed pipe 5 at one end of the feed hopper 2 is relatively low, the raw materials added to the feed hopper 2 are not easy to enter the second feed pipe 5.
[0024] Among them, the lifting mechanism comprises a first rotating shaft 8 and a second rotating shaft 9 respectively installed at the top inside and the bottom inside of the elevator box 1, a first sprocket 10 and a second sprocket 11 are respectively sleeved on the surfaces of the first rotating shaft 8 and the second rotating shaft 9, a chain 12 is sleeved on the surfaces of the first sprocket 10 and the second sprocket 11, and a plurality of lifting hoppers 13 are uniformly installed on the outside of the chain 12, and the lifting hoppers 13 are used to lift materials.
[0025] The two sides of the bottom of the elevator box 1 are provided with movable grooves 14, a pair of guide rods 15 are symmetrically installed on the surface of the elevator box 1 on the two sides of the movable grooves 14, the two ends of the second rotating shaft 9 are respectively passed out of the elevator box 1 from the inner sides of the two movable grooves 14, and the surfaces of the two ends are rotatably provided with connecting blocks 16, the two connecting blocks 16 are respectively slidably connected with the two pairs of guide rods 15, a limiting plate 17 is arranged on the surface of the elevator box 1 close to the top end of the movable groove 14, a spring 18 is installed between the limiting plate 17 and the close connecting block 16, and the two ends of the spring 18 are respectively abutted against the opposite sides of the connecting block 16 and the limiting plate 17. The connecting block 16 is pushed to move downward by the elastic force of the spring 18, so that the second rotating shaft 9 keeps a downward moving trend, and the chain 12 is tensioned.
[0026] The inner side of the bottom of the discharge hopper 3 is provided with a discharge port 19 away from the elevator box 1, and a plurality of lining plates 20 are uniformly arranged on the inner side of the bottom of the discharge hopper 3 between the discharge port 19 and the elevator box 1. When the raw materials are thrown by the lifting mechanism into the discharge hopper 3 and slide along the discharge hopper 3 to the discharge port 19, part of the raw materials will be intercepted between the lining plates 20. A protective layer and a buffer layer are formed on the inner side of the bottom of the discharge hopper 3, so as to reduce the impact of the raw materials thrown into the discharge hopper 3 on the discharge hopper 3, and to reduce the wear of the discharge hopper 3.
[0027] The surface of the elevator box 1 is fixedly provided with a first motor 21 on one side, and the output end of the first motor 21 is drivingly connected with the first rotating shaft 8. The first motor 21 is used to drive the lifting mechanism to operate. One end of the return pipe 6 is fixedly provided with a second motor 22, and the output end of the second motor 22 is drivingly connected with the return auger 7. The second motor 22 is used to drive the return auger 7 to rotate.
[0028] Specific working principle:
[0029] The utility model discloses before using, first with the utility model external power supply and control panel, and start the utility model through the control panel of external, the utility model in the process of using, through conveying belt will pitch -based carbon fiber raw materials send into the feeding hopper 2, and raw materials fall into the elevator box 1 from the feeding hopper 2, in this process, the first motor 21 drives first shaft 8 rotation, thereby make first sprocket 10 rotation, and first sprocket 10 drive chain 12 activity, thereby make each lifting hopper 13 constantly carry on circulation, through lifting hopper 13 and receive the raw materials from the feeding hopper 2 that enter, and transport to the highest point, under the action of centrifugal force, throw the raw materials in lifting hopper 13 into the discharge hopper 3 from the discharge port 19 and discharge, in this process, the raw materials that fall from lifting hopper 13 inside will fall to the bottom of the inside of elevator box 1 and enter the first material pipe 4 that is arranged obliquely, and raw materials enter the back material pipe 6 after first material pipe 4, and second motor 22 drive back material auger 7 in back material pipe 6 rotation, thereby raw materials are lifted and sent to second material pipe 5, and finally raw materials are in second material pipe 5 that is arranged obliquely and return to feeding hopper 2 again and be lifted again, through this kind of mode, can greatly reduce the raw material quantity that bucket elevator bottom accumulates, thereby reduce its influence to the operation of elevator.
[0030] The embodiments of the utility model are given for example and description, although the above has shown and described the embodiments of the utility model, can understand that the above-mentioned embodiments are exemplary, cannot be understood as the limitation of the utility model, and the ordinary skill in the art can change, modify, replace and change in the range of the utility model to the above-mentioned embodiments.
Claims
1. A special feeding structure for pitch-based carbon fiber raw materials, characterized in that: The utility model provides an improved lifting machine, which comprises a lifting machine box (1) having a lifting mechanism installed inside, a feeding hopper (2) arranged at the bottom of one side of the lifting machine box (1), a discharging hopper (3) arranged at the top of the side of the lifting machine box (1) away from the feeding hopper (2), a first conveying pipe (4) arranged at the side of the bottom of the lifting machine box (1), a second conveying pipe (5) arranged at the same side of the feeding hopper (2) as the first conveying pipe (4), and a return pipe (6) connected to the other ends of the first conveying pipe (4) and the second conveying pipe (5), wherein a return auger (7) is installed inside the return pipe (6).
2. The special loading structure for pitch-based carbon fiber raw material according to claim 1, characterized in that: The end of the first conveying pipe (4) away from the lifting machine box (1) is arranged downwardly inclined, and the end of the second conveying pipe (5) close to the feeding hopper (2) is arranged downwardly inclined.
3. The special feeding structure for pitch-based carbon fiber raw material according to claim 1, characterized in that: The lifting mechanism comprises a first rotating shaft (8) and a second rotating shaft (9) installed at the top and bottom of the inside of the lifting machine box (1) respectively, a first sprocket (10) and a second sprocket (11) sleeved on the surfaces of the first rotating shaft (8) and the second rotating shaft (9) respectively, and a chain (12) sleeved on the surfaces of the first sprocket (10) and the second sprocket (11) in common, wherein a plurality of lifting hoppers (13) are uniformly installed on the outside of the chain (12).
4. The special loading structure for pitch-based carbon fiber raw material according to claim 3, characterized in that: Two movable grooves (14) are formed at the two sides of the bottom of the lifting machine box (1), a pair of guide rods (15) are symmetrically installed on the surface of the lifting machine box (1) at the two sides of the movable grooves (14), the two ends of the second rotating shaft (9) are respectively passed out of the lifting machine box (1) from the inside of the two movable grooves (14), and a connecting block (16) is rotationally installed on the surface of each of the two ends passed out, the two connecting blocks (16) are respectively connected to the two pairs of guide rods (15) in sliding mode, a limiting plate (17) is arranged at the position close to the top of each of the movable grooves (14) on the surface of the lifting machine box (1), a spring (18) is installed between the limiting plate (17) and the connecting block (16) close to the limiting plate (17), and the two ends of the spring (18) are respectively abutted against the opposite sides of the connecting block (16) and the limiting plate (17).
5. The special feeding structure for pitch-based carbon fiber raw material according to claim 1, characterized in that: A discharging port (19) is arranged at the position of the inside bottom of the discharging hopper (3) away from the lifting machine box (1), and a plurality of lining plates (20) are uniformly arranged on the inside bottom of the discharging hopper (3) between the discharging port (19) and the lifting machine box (1).
6. The special loading structure for pitch-based carbon fiber raw material according to claim 3, characterized in that: A first motor (21) is fixedly installed on one side of the surface of the lifting machine box (1), the output end of the first motor (21) is drivingly connected to the first rotating shaft (8), and one end of the return pipe (6) is fixedly installed with a second motor (22), and the output end of the second motor (22) is drivingly connected to the return auger (7).