Automatic blanking anti-blocking device for molding powder production

Abstract

The utility model relates to an automatic blanking anti-blocking device for molding powder production, which comprises a hopper mechanism and an extruder feed port arranged on one side of the hopper mechanism, a blanking guide plate capable of rotating is arranged at the top of the extruder feed port, one side of the blanking guide plate is connected with a driving mechanism for driving the blanking guide plate to rotate, and the other side of the blanking guide plate is connected with an anti-blocking device. A discharging baffle attached to the top of the discharging guide plate is arranged at the top of the discharging guide plate, and one side of the discharging baffle is connected with a telescopic mechanism driving the discharging baffle to slide. When materials are discharged into the feeding port of the extruder, superfine powder firstly passes through the interior of the discharging guide plate, the discharging guide plate continuously stirs some accumulated powder so that the powder can smoothly fall down, and in the process, impulsive force generated when the powder is discharged can be effectively reduced, and raised dust is reduced.

Description

Technical Field

[0001] This utility model relates to the field of production equipment technology, specifically to an automatic feeding and anti-blocking device for plastic powder production. Background Technology

[0002] In extrusion applications, ultrafine powders are primarily used as additives or modifiers to improve the performance and quality of the final product. During plastic modification, ultrafine powders can be used as additives to enhance the properties of plastics. For example, in the extrusion of plastics such as polyethylene (PE), polypropylene (PP), and polystyrene (PS), ultrafine powders may be added to enhance specific material properties, such as impact resistance, flame retardancy, or colorability.

[0003] The authorization announcement number CN214268768U discloses a granular material anti-clogging feeding bin for extruders. According to its instruction manual and attached drawings, after the problems of the extruder or downstream processes of the extruder are resolved, the pneumatic conveying fan is started first, the valve on the material entering the pneumatic conveying pipeline is closed, and high-pressure airflow is blown into the bin to first blow up the material deposited in the bin. Then the extruder is started, and the material enters the extruder through the feeding pipe. However, using wind power can easily cause dust, and the feed inlet of the extruder is often blocked, which also affects the feeding process. Summary of the Invention

[0004] This invention addresses the problem of material feeding from the feed hopper to the extruder inlet by proposing an automatic feeding and anti-clogging device for plastic powder production. During non-operational periods, the piston of the telescopic cylinder extends, causing the bottom of the feeding baffle to gradually adhere to the top of the feeding guide plate. After this adhesion, a plastic gasket provides a degree of sealing between the bottom of the feeding baffle and the top of the feeding guide plate. When feeding into the extruder inlet, the ultrafine powder first enters the surface or interior of the polygonal guide groove through the guide inlet. During the rotation of the feeding guide plate, the polygonal guide groove continuously agitates some of the accumulated powder, allowing it to fall smoothly downwards.

[0005] The purpose of this invention is achieved through the following technical solution: an automatic feeding and anti-clogging device for plastic powder production, including a hopper mechanism, an extruder inlet disposed on one side of the hopper mechanism, a rotatable feeding guide plate at the top of the extruder inlet, a driving mechanism for driving the feeding guide plate to rotate connected to one side of the feeding guide plate, a feeding baffle that fits against the top of the feeding guide plate at the top of the feeding guide plate, and a telescopic mechanism for driving the feeding baffle to slide connected to one side of the feeding baffle.

[0006] Preferably, the hopper mechanism includes a conical feeding cylinder containing ultrafine powder and a support frame assembly, with the movable support frame assembly arranged around the side wall of the conical feeding cylinder.

[0007] Preferably, the support frame assembly includes a square support frame, a vertical support frame, and casters. The surface of the square support frame is provided with several vertical support frames, the top of each vertical support frame is connected to the side wall of the conical feeding cylinder, and the bottom of the square support frame is provided with several casters. This arrangement is to facilitate the movement of the entire support frame assembly.

[0008] Preferably, the feeding guide plate is cylindrical in shape, the inside of the feeding guide plate is provided with a polygonal guide groove, the top of the feeding guide plate is provided with a guide inlet adapted to the bottom of the conical feeding cylinder, the side wall of the feeding guide plate is provided with a drive guide groove, and the drive end of the drive mechanism is connected to the inside of the drive guide groove.

[0009] Preferably, the driving mechanism includes a motor support frame, a drive motor, and a transmission belt. The motor support frame is located on one side of the extruder inlet, and the drive motor is installed inside the motor support frame. The end of the drive motor shaft is connected to one end of the transmission belt, and the other end of the transmission belt is connected to the inside of the drive guide groove. This arrangement is to drive the feeding guide plate to rotate.

[0010] Preferably, the discharge baffle is cylindrical in shape, and a plastic pad is provided at the bottom of the discharge baffle. The plastic pad is attached to the top of the discharge guide plate, and the side wall of the discharge baffle is connected to the telescopic end of the telescopic mechanism. This arrangement is to achieve a certain degree of sealing between the discharge baffle and the discharge guide plate.

[0011] Preferably, the telescopic mechanism includes a cylinder support frame and a telescopic cylinder. The telescopic cylinder is installed inside the cylinder support frame, and the piston end of the telescopic cylinder is connected to the unloading guide plate. This arrangement is for changing the position of the unloading guide plate.

[0012] Compared with the prior art, this utility model has the following beneficial effects: 1. When not in operation, that is, when the extruder inlet does not need to discharge material, the piston of the telescopic cylinder will extend, and the piston will drive the bottom of the discharge baffle to gradually fit against the top of the discharge guide plate. After fitting, the bottom of the discharge baffle and the top of the discharge guide plate are sealed to a certain extent by the plastic pad, which prevents foreign matter from falling in and avoids affecting product quality; 2. When discharging material into the extruder inlet, these ultrafine powders will first enter the surface or interior of the polygonal guide groove through the guide inlet. The drive motor shaft drives the discharge guide plate to rotate. During the rotation of the discharge guide plate, the polygonal guide groove will continuously agitate some of the accumulated powder, so that it can fall down smoothly. In this process, the impact force generated when the powder is discharged can be effectively reduced, dust can be reduced, and the agglomeration of powder material and blockage of the extruder inlet can also be prevented; 3. The whole device has a simple structure, is easy to install, improves the working environment, and increases production efficiency. Attached Figure Description

[0013] Figure 1 This is a perspective view of the present utility model;

[0014] Figure 2 This is a perspective view of the hopper mechanism of this utility model;

[0015] Figure 3 This is a partial perspective view of the present invention;

[0016] Figure 4 This is a partial perspective view of the present invention;

[0017] Figure 5 This is a cross-sectional view of the material being cut in this utility model.

[0018] The diagram shows the following markings: 1. Hopper mechanism; 11. Conical feeding cylinder; 2. Extruder inlet; 3. Feeding guide plate; 31. Polygonal guide groove; 32. Guide feed inlet; 33. Drive guide groove; 4. Feeding baffle; 5. Drive mechanism; 51. Motor support frame; 52. Drive motor; 53. Transmission belt; 6. Telescopic mechanism; 61. Cylinder support frame; 62. Telescopic cylinder; 7. Support frame assembly; 71. Square support frame; 72. Vertical support frame; 73. Casters. Detailed Implementation

[0019] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings:

[0020] like Figures 1 to 5As shown, an automatic feeding and anti-clogging device for plastic powder production includes a hopper mechanism 1 and an extruder inlet 2 located on one side of the hopper mechanism 1. The hopper mechanism 1 includes a conical feeding cylinder 11 containing ultrafine powder and a support frame assembly 7. The movable support frame assembly 7 is provided around the side wall of the conical feeding cylinder 11. The support frame assembly 7 includes a square support frame 71, vertical support frames 72, and casters 73. The surface of the square support frame 71 is provided with several vertical support frames 72, and the top of each vertical support frame 72 is fixedly connected to the conical feeding cylinder 1. The square support frame 71 is provided with several casters 73 at the bottom of its side wall. The square support frame 71 and the vertical support frame 72 are fixedly connected to each other by aluminum metal profiles. With this arrangement, whenever some ultrafine powder needs to be put into the extruder feed port 2 of the extruder, the worker can push the square support frame 71 so that the casters 73 drive the entire support frame assembly 7 to move and change position. Then the conical feed cylinder 11 will also change position until it is pushed above the extruder feed port 2. During this movement, due to sliding friction, the worker does not have to exert any effort to push it.

[0021] In this embodiment, a rotatable feeding guide plate 3 is provided at the top of the extruder inlet 2. A drive mechanism 5 for driving the feeding guide plate 3 to rotate is connected to one side of the feeding guide plate 3. The feeding guide plate 3 is cylindrical in shape, and a polygonal guide groove 31 is provided inside the feeding guide plate 3. A guide inlet 32 ​​adapted to the bottom of the conical feeding cylinder 11 is provided at the top of the feeding guide plate 3. A drive guide groove 33 is provided on the side wall of the feeding guide plate 3. The drive end of the drive mechanism 5 is connected to the inside of the drive guide groove 33. The drive mechanism 5 includes a motor support frame 51, a drive motor 52, and a transmission belt 53. The motor support frame 51 is located on one side of the extruder inlet 2. The drive motor 52 is installed inside the motor support frame 51. The shaft end of the drive motor 52 One end of the drive belt 53 is connected to the other end of the drive guide groove 33. With this configuration, whenever the ultrafine powder inside the conical feeding cylinder 11 needs to be fed into the extruder feed inlet 2, the ultrafine powder will first enter the surface or interior of the polygonal guide groove 31 through the guide feed inlet 32. Then, the shaft of the drive motor 52 starts to rotate and drives the feeding guide plate 3 to rotate through the drive belt 53. In this process, the drive guide groove 33 plays the role of receiving and transmitting motion. During the rotation of the feeding guide plate 3, the polygonal guide groove 31 will continuously agitate some of the accumulated powder, so that it can fall down smoothly. In this process, the impact force generated when the powder is fed can be effectively reduced, dust can be reduced, and the agglomeration of powder materials and blockage of the extruder feed inlet 2 can be prevented.

[0022] In this embodiment, the top of the feeding guide plate 3 is provided with a feeding baffle 4 that fits against the bottom of the feeding guide plate 3. A telescopic mechanism 6 for driving the feeding baffle 4 to slide is connected to one side of the feeding baffle 4. The feeding baffle 4 is columnar in shape, and a plastic pad is provided at the bottom of the feeding baffle 4. The plastic pad fits against the top of the feeding guide plate 3. The side wall of the feeding baffle 4 is connected to the telescopic end of the telescopic mechanism 6. The telescopic mechanism 6 includes a cylinder support frame 61 and a telescopic cylinder 62. A telescopic cylinder 62 is installed inside the cylinder support frame 61. The piston end of the telescopic cylinder 62 is connected to the feeding guide plate 3. With this setting, when not in operation, that is, when the conical feeding cylinder 11 does not need to feed, the piston of the telescopic cylinder 62 will extend. The piston drives the bottom of the feeding baffle 4 to gradually fit against the top of the feeding guide plate 3. After fitting, the bottom of the feeding baffle 4 and the top of the feeding guide plate 3 are sealed to a certain extent by the plastic pad to prevent foreign objects from falling in and to avoid affecting product quality.

[0023] Working principle and usage of this utility model:

[0024] Whenever some ultrafine powder needs to be fed into the extruder inlet 2, the piston of the telescopic cylinder 62 will retract. The piston will drive the bottom of the feeding baffle 4 to gradually detach from the top of the feeding guide plate 3. Then, the worker can push the square support frame 71 so that the caster wheel 73 can move the entire support frame assembly 7 to change position. Then the conical feeding cylinder 11 will also change position until it is pushed above the extruder inlet 2. Then the shaft of the drive motor 52 will start to rotate and drive the feeding guide plate 3 to rotate through the transmission belt 53. In this process, the drive guide groove 33 plays the role of receiving and transmitting motion. During the rotation of the feeding guide plate 3, the polygonal guide groove 31 will continuously stir some accumulated powder so that it can fall down smoothly. In this process, the impact force generated when the powder is fed can be effectively reduced, dust can be reduced, and the occurrence of powder material agglomeration and blockage of the extruder inlet 2 can be prevented.

[0025] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or adopt similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A plastic powder production automatic discharging anti-blocking device, comprising a hopper mechanism (1) and an extruder feeding port (2) arranged on one side of the hopper mechanism (1), characterized in that, The top of the extruder feed port (2) is provided with a rotatable discharging guide plate (3), one side of the discharging guide plate (3) is connected with a driving mechanism (5) for driving the rotation of the discharging guide plate (3), the top of the discharging guide plate (3) is provided with a discharging baffle (4) fitted to the top of the discharging guide plate (3), one side of the discharging baffle (4) is connected with a telescopic mechanism (6) for driving the sliding of the discharging baffle (4).

2. The automatic unloading anti-blocking device for plastic powder production according to claim 1, characterized in that, The hopper mechanism (1) comprises a conical discharging cylinder (11) containing superfine powder and a support frame group (7), and a movable support frame group (7) is arranged around the side wall of the conical discharging cylinder (11).

3. The automatic unloading anti-blocking device for plastic powder production according to claim 2, characterized in that, The support frame group (7) comprises a square support frame (71), a vertical support frame (72) and a universal wheel (73), the surface of the square support frame (71) is provided with a plurality of vertical support frames (72), the top of each vertical support frame (72) is connected to the side wall of the conical discharging cylinder (11), and the bottom of the square support frame (71) is provided with a plurality of universal wheels (73).

4. The automatic unloading anti-blocking device for plastic powder production according to claim 2, characterized in that, The shape of the discharging guide plate (3) is columnar, the inside of the discharging guide plate (3) is provided with a polygonal guide groove (31), the top of the discharging guide plate (3) is provided with a guide feed port (32) matched to the bottom of the conical discharging cylinder (11), and the side wall of the discharging guide plate (3) is provided with a driving guide groove (33), and the driving end of the driving mechanism (5) is connected to the inside of the driving guide groove (33).

5. The automatic unloading anti-blocking device for plastic powder production according to claim 3, characterized in that, The driving mechanism (5) comprises a motor support frame (51), a driving motor (52) and a transmission belt (53), the motor support frame (51) is arranged on one side of the extruder feed port (2), the inside of the motor support frame (51) is mounted with the driving motor (52), the rotating shaft end of the driving motor (52) is connected to one end of the transmission belt (53), and the other end of the transmission belt (53) is connected to the inside of the driving guide groove (33).

6. The automatic unloading anti-blocking device for plastic powder production according to claim 2, characterized in that, The shape of the discharging baffle (4) is columnar, the bottom of the discharging baffle (4) is provided with a plastic pad plate, the plastic pad plate is fitted to the top of the discharging guide plate (3), and the side wall of the discharging baffle (4) is connected to the telescopic end of the telescopic mechanism (6).

7. The automatic unloading anti-blocking device for plastic powder production according to claim 2, characterized in that, The telescopic mechanism (6) comprises a cylinder support frame (61) and a telescopic cylinder (62), the inside of the cylinder support frame (61) is mounted with the telescopic cylinder (62), and the piston end of the telescopic cylinder (62) is connected to the discharging guide plate (3).

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