Polycarbonate particle production batching control device

Abstract

The utility model belongs to the technical field of polycarbonate particle production equipment, and particularly relates to a polycarbonate particle production batching control device which comprises a weighing platform, a feeding pipe is fixedly connected to the weighing platform, and a hopper is connected to the feeding pipe. The feeding pipe is rotationally connected with a pair of feeding propellers which are matched with each other, and the feeding pipe is connected with a discharging barrel; an upper material shaking plate and a lower material shaking plate which rotate synchronously are rotationally connected to the discharging barrel, the upper material shaking plate and the lower material shaking plate are arranged from top to bottom, an upper discharging port is formed between the upper material shaking plate and the discharging barrel, a lower discharging port is formed between the lower material shaking plate and the discharging barrel, and the upper discharging port and the lower discharging port are arranged in a staggered mode; the weightlessness scale effectively solves the problem that an existing weightlessness scale is poor in feeding uniformity.

Description

TECHNICAL FIELD

[0001] The utility model belongs to polycarbonate particle production equipment technical field, concretely relates to a polycarbonate particle production batching control device. BACKGROUND

[0002] Polycarbonate (PC for short) as a kind of high-performance engineering plastics, has been widely used in many fields. Polycarbonate particles are produced by heating polycarbonate material to a molten state at high temperature, extruding through an extruder, and then forming particles through processes such as spraying and water cooling. This method is suitable for producing high-transparency, high-toughness and high-strength polycarbonate materials.

[0003] When the extruder is extruded, polycarbonate additives are added through a loss-in-weight scale. However, during actual use, the discharge cylinder of the loss-in-weight scale directly communicates with the feeding pipe and the extruder feed hopper, causing the additives to separate during the falling process, resulting in uneven addition of additives. UTILITY MODEL CONTENT

[0004] To overcome the defects of the prior art, the polycarbonate particle production batching control device provided by the utility model effectively solves the problem of poor uniformity of the loss-in-weight scale.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solution: a polycarbonate particle production batching control device, comprising a weighing platform, a feeding pipe fixedly connected to the weighing platform, and a hopper connected to the feeding pipe; a pair of mutually cooperating feeding propellers are rotatably connected to the feeding pipe; a discharge cylinder is connected to the feeding pipe; a synchronously rotating upper shaking plate and a lower shaking plate are rotatably connected to the discharge cylinder; the upper shaking plate and the lower shaking plate are arranged from top to bottom; an upper discharge opening is formed between the upper shaking plate and the discharge cylinder; a lower discharge opening is formed between the lower shaking plate and the discharge cylinder; and the upper discharge opening and the lower discharge opening are arranged in a staggered manner.

[0006] Further, a parallel rod is coaxially fixedly connected to the upper shaking plate, and a synchronizing rod is rotatably connected to the parallel rod; a driven rod is coaxially fixedly connected to the lower shaking plate, and the synchronizing rod and the driven rod are rotatably connected.

[0007] Further, a discharging motor is fixedly connected to the discharge cylinder, and a crank is fixedly connected to the output end of the discharging motor; a connecting rod is rotatably connected to the crank; a rocker is rotatably connected to the connecting rod; and the rocker is coaxially fixedly connected to the upper shaking plate.

[0008] Further, a scraper motor is fixedly connected to the hopper, a main shaft is fixedly connected to the output end of the scraper motor, and a scraper brush matched with the hopper is arranged on the main shaft.

[0009] Furthermore, a transmission chamber is fixedly connected to the feeding pipe, and a discharge motor is fixedly connected to the transmission chamber; a drive wheel is fixedly connected to the output end of the discharge motor, an idler wheel meshes with the drive wheel, and the idler wheel is coaxially fixedly connected to one of the feeding propellers; a driven wheel meshes with the idler wheel, and the driven wheel is coaxially fixedly connected to the other feeding propeller.

[0010] Furthermore, the drive wheel is also engaged with the driving wheel, and the driving wheel is coaxially fixed to the stirring shaft, and the stirring shaft is fixed to the stirring paddle located at the bottom of the hopper.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] In use, this invention guides the flow of polycarbonate additives through the upper and lower shaking plates, reducing the distance between the polycarbonate additives and the extruder feed hopper. This effectively prevents the polycarbonate additives from stratifying during their descent and improves the uniformity of the feed. Furthermore, the up-and-down swinging of the upper and lower shaking plates ensures that the polycarbonate additives flow continuously and stably into the extruder feed hopper. Attached Figure Description

[0013] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0014] Fig. 2 This is a cross-sectional view of the present invention;

[0015] Fig. 3 This is a schematic diagram showing the coordinated state of the upper shaking plate, lower shaking plate, and other structures in this utility model;

[0016] In the diagram: 1. Hopper, 2. Feed pipe, 3. Scraper motor, 4. Discharge motor, 5. Weighing platform, 6. Feeding pipe, 7. Discharge motor, 8. Discharge cylinder, 9. Wall scraper brush, 10. Agitator, 11. Feeding propeller, 12. Upper shaking plate, 13. Lower shaking plate, 14. Crank, 15. Connecting rod, 16. Rocker arm, 17. Parallel rod, 18. Synchronizing rod, 19. Driven rod. Detailed Implementation

[0017] A polycarbonate particle production batching control device, such as Figs. 1-3 As shown, it includes a weighing platform 5, a feeding pipe 6 fixedly connected to the weighing platform 5, a hopper 1 connected to the feeding pipe 6, and a feed pipe 2 provided on the hopper 1; a pair of cooperating feeding propellers 11 are rotatably connected to the feeding pipe 6, and a discharge cylinder 8 is connected to the feeding pipe 6; an upper shaking plate 12 and a lower shaking plate 13 that rotate synchronously are rotatably connected to the discharge cylinder 8, the upper shaking plate 12 and the lower shaking plate 13 are arranged from top to bottom, the upper shaking plate 12 and the discharge cylinder 8 form an upper discharge port, and the lower shaking plate 13 and the discharge cylinder 8 form a lower discharge port, and the upper discharge port and the lower discharge port are staggered.

[0018] In use, this invention uses a hopper 1 to hold polycarbonate additives, which then enter the feeding pipe 6. A pair of feeding propellers 11 drive the polycarbonate additives towards the discharge cylinder 8. The cooperation of the pair of feeding propellers 11 gives this invention higher precision and stability. This structure allows for more precise control of the feeding speed and quantity, reducing errors and improving weighing accuracy. The polycarbonate additives entering the discharge cylinder 8 first enter the upper shaking plate 12. During the up-and-down swinging of the upper shaking plate 12, the polycarbonate additives are discharged through the upper discharge cylinder. The material enters through the lower shaking plate 13. Under the action of the lower shaking plate 13, the polycarbonate additive enters the extruder feed hopper 1 through the lower discharge port. By guiding the flow of the polycarbonate additive through the upper shaking plate 12 and the lower shaking plate 13, the distance between the polycarbonate additive and the extruder feed hopper 1 is reduced, which can effectively prevent the polycarbonate additive from stratifying during the falling process and improve the uniformity of the polycarbonate additive feeding. Moreover, through the up and down swinging of the upper shaking plate 12 and the lower shaking plate 13, the polycarbonate additive can flow continuously and stably into the extruder feed hopper 1.

[0019] Furthermore, to achieve synchronous rotation of the upper shaking plate 12 and the lower shaking plate 13, a parallel rod 17 is coaxially fixed to the upper shaking plate 12, and a synchronizing rod 18 is rotatably connected to the parallel rod 17; a driven rod 19 is coaxially fixed to the lower shaking plate 13, and the synchronizing rod 18 is rotatably connected to the driven rod 19; so that when the upper shaking plate 12 rotates, the upper shaking plate 12 drives the parallel rod 17 to rotate, the parallel rod 17 drives the driven rod 19 to rotate through the synchronizing rod 18, and the driven rod 19 drives the lower shaking plate 13 to rotate, thereby achieving synchronous rotation of the upper shaking plate 12 and the lower shaking plate 13.

[0020] Furthermore, in order to realize the reciprocating swing of the upper shaking plate 12, a feeding motor 7 is fixedly connected to the discharge cylinder 8, and a crank 14 is fixedly connected to the output end of the feeding motor 7; a connecting rod 15 is rotatably connected to the crank 14, and a rocker arm 16 is rotatably connected to the connecting rod 15, and the rocker arm 16 is coaxially fixedly connected to the upper shaking plate 12.

[0021] When the feeding motor 7 is started, the feeding motor 7 drives the crank 14 to rotate. Since the crank 14, connecting rod 15, and rocker arm 16 form the crank 14 rocker arm 16 mechanism, when the crank 14 rotates, the crank 14 drives the rocker arm 16 to swing back and forth through the connecting rod 15. The rocker arm 16 drives the upper shaking plate 12 to swing back and forth.

[0022] Further, the hopper 1 is fixed with a scraper motor 3, the output end of the scraper motor 3 is fixed with a main shaft, and the main shaft is provided with a wall scraping brush 9 matched with the hopper 1; through cooperation of the scraper motor 3, the main shaft and the wall scraping brush 9, the polycarbonate additive in the hopper 1 can be stirred, and the polycarbonate additive adhered to the inner wall of the hopper 1 can be effectively avoided, thereby improving the discharging effect of the hopper 1.

[0023] Further, the feeding pipe 6 is fixed with a transmission cavity, and the transmission cavity is fixed with a discharging motor 4; the output end of the discharging motor 4 is fixed with a driving wheel, the driving wheel is engaged with an idler wheel, and the idler wheel is fixed coaxially with one of the feeding propellers 11; the idler wheel is engaged with a driven wheel, and the driven wheel is fixed coaxially with the other feeding propeller 11.

[0024] When the pair of feeding propellers 11 need to rotate, the discharging motor 4 is started, the discharging motor 4 drives the driving wheel to rotate, the driving wheel drives the idler wheel to rotate, and the idler wheel drives one of the feeding propellers 11 to rotate; at the same time, the idler wheel drives the driven wheel to rotate, and the driven wheel drives the other feeding propeller 11 to rotate, so that the pair of feeding propellers 11 rotate synchronously.

[0025] Further, the driving wheel is engaged with a stirring shaft, the stirring shaft is fixed coaxially with a stirring paddle 10 arranged at the bottom of the hopper 1; when the driving wheel rotates, the driving wheel drives the stirring paddle 10 to rotate through the stirring shaft, and the stirring paddle 10 stirs and discharges the polycarbonate additive.

[0026] The working process of the utility model is as follows:

[0027] In use, the hopper 1 is filled with polycarbonate additives, the polycarbonate additives enter the feeding pipe 6 through the hopper 1; the discharging motor 4 is started, the discharging motor 4 drives the driving wheel to rotate, the driving wheel drives the idler wheel to rotate, and the idler wheel drives one of the feeding propellers 11 to rotate; at the same time, the idler wheel drives the driven wheel to rotate, and the driven wheel drives the other feeding propeller 11 to rotate, so that the pair of feeding propellers 11 rotate synchronously, and the pair of feeding propellers 11 drive the polycarbonate additives to move towards the discharging cylinder 8.

[0028] The polycarbonate additive entering the discharge cylinder 8 first enters the upper shaking plate 12; at the same time, the lower discharging motor 7 drives the crank 14 to rotate, and because the crank 14, the connecting rod 15 and the rocker 16 form a crank 14 rocker 16 mechanism, when the crank 14 rotates, the crank 14 drives the rocker 16 to reciprocating swing through the connecting rod 15, and the rocker 16 drives the upper shaking plate 12 to reciprocating swing; the upper shaking plate 12 drives the parallel rod 17 to rotate, and the parallel rod 17 drives the driven rod 19 to rotate through the synchronous rod 18, and the driven rod 19 drives the lower shaking plate 13 to rotate, thereby realizing the synchronous rotation of the upper shaking plate 12 and the lower shaking plate 13; and the polycarbonate additive entering the discharge cylinder 8 continuously and stably flows into the extruder feeding hopper 1 in the up-and-down swinging process of the upper shaking plate 12 and the lower shaking plate 13.

Claims

1. A polycarbonate particle production batching control device, comprising a weighing platform (5), a feeding pipe (6) fixedly connected to the weighing platform (5), and a hopper (1) connected to the feeding pipe (6); a pair of mutually cooperating feeding propellers (11) are rotatably connected to the feeding pipe (6), and a discharge cylinder (8) is connected to the feeding pipe (6); characterized in that: The discharge cylinder (8) is rotatably connected to an upper shaking plate (12) and a lower shaking plate (13) that rotate synchronously. The upper shaking plate (12) and the lower shaking plate (13) are arranged from top to bottom. The upper shaking plate (12) and the discharge cylinder (8) form an upper discharge port, and the lower shaking plate (13) and the discharge cylinder (8) form a lower discharge port. The upper discharge port and the lower discharge port are staggered.

2. The polycarbonate particle production batching control device as described in claim 1, characterized in that: The upper shaking plate (12) is coaxially fixed with a parallel rod (17), and a synchronizing rod (18) is rotatably connected to the parallel rod (17); the lower shaking plate (13) is coaxially fixed with a driven rod (19), and the synchronizing rod (18) is rotatably connected to the driven rod (19).

3. The polycarbonate particle production batching control device as described in claim 2, characterized in that: A feeding motor (7) is fixedly connected to the discharge cylinder (8), and a crank (14) is fixedly connected to the output end of the feeding motor (7); a connecting rod (15) is rotatably connected to the crank (14), and a rocker arm (16) is rotatably connected to the connecting rod (15), and the rocker arm (16) is coaxially fixedly connected to the upper shaking plate (12).

4. The polycarbonate particle production batching control device as described in claim 1, characterized in that: A scraper motor (3) is fixedly connected to the hopper (1), and a main shaft is fixedly connected to the output end of the scraper motor (3). A scraper brush (9) that cooperates with the hopper (1) is provided on the main shaft.

5. The polycarbonate particle production batching control device as described in claim 1, characterized in that: A transmission chamber is fixedly connected to the feeding pipe (6), and a discharge motor (4) is fixedly connected to the transmission chamber; a drive wheel is fixedly connected to the output end of the discharge motor (4), an idler wheel is engaged on the drive wheel, and the idler wheel is coaxially fixedly connected to one of the feeding propellers (11); a driven wheel is engaged on the idler wheel, and the driven wheel is coaxially fixedly connected to the other feeding propeller (11).

6. The polycarbonate particle production batching control device as described in claim 5, characterized in that: The drive wheel is also engaged with the drive wheel, and the drive wheel is coaxially fixed to the stirring shaft, and the stirring shaft is fixed to the stirring paddle (10) located at the bottom of the hopper (1).

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