Centralized granular material supply device

Abstract

The utility model relates to the technical field of centralized feeding equipment, in particular to a granular material centralized feeding device. Raw materials in all the mixing and drying systems can be temporarily stored and then supplied, switching feeding of the raw materials of different formulas according to needs is achieved, the mixing and drying systems do not need to be cleaned, the structure is simple, and operation is convenient and fast; comprising a material collector, a plurality of feeding pipes communicated with the interior of the material collector, a rotating disc rotationally installed in the material collector and a first driver providing power for rotation of the rotating disc, the rotating disc is provided with a feeding channel, one end of the feeding channel is communicated with one feeding pipe, the other end of the feeding channel is communicated with the interior of the material collector, and a discharging pipe is arranged at the bottom of the material collector; furthermore, the first driver preferably selects a motor and a gear assembly, and the output end of the motor is in transmission connection with the rotating disc through the gear assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of centralized feeding equipment, in particular to a centralized particle material feeding device. Background Art

[0002] In most plastic pipe production fields, such as PE (polyethylene) and PVC (polyvinyl chloride), granules or mixed granules are used as raw materials; in composite pipes such as RTP (reinforced flexible thermoplastic composite pipe), PE is often used as the core pipe and skin pipe, and granular mixtures are also used as raw materials. In the production process, the following processes are generally used: mixed material drying, hopper storage, and vacuum feeding.

[0003] For example, a Chinese invention patent discloses a centralized feeding device for an injection molding machine (publication (announcement) number CN104494048A), including: a top feeding trough, a conveyor belt and a bottom feeding box, wherein the top feeding trough is arranged above the bottom feeding box, the conveyor belt is arranged between the top feeding trough and the bottom feeding box, the centralized feeding device for the injection molding machine is also provided with a controller, a plurality of injection molding buckets are connected to the bottom of the top feeding trough, and electromagnetic switch valves are respectively arranged between the injection molding buckets and the top feeding trough, the electromagnetic switch valves are respectively connected to the controller, and manual switch valves are respectively arranged at the bottom of the injection molding buckets. In the above manner, the centralized feeding device for an injection molding machine described in the present invention utilizes the top feeding trough to feed multiple injection molding buckets at the same time, has high working efficiency, reduces the operator's work intensity, is easy to adjust, and has high safety.

[0004] When the inventors implemented this device, they found the following defects: generally, a set of production lines is equipped with a separate mixing, drying and feeding system to meet normal production needs; if particles with different formulas (such as different types of mixed particles and different proportions) need to be produced, all raw materials in the mixing, drying and feeding system need to be cleaned and replaced; replacing ingredients requires a long time and manpower, and may even require downtime. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a centralized granular material supply device which can temporarily store the raw materials in each mixing and drying system before feeding, realizes on-demand switching of raw materials with different formulas, and does not require cleaning of the mixing and drying system. It has a simple structure and is easy to operate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for centralized supply of particulate material, comprising a collector, a plurality of feed pipes connected to the interior of the collector, a rotating disk rotatably installed in the collector, and a first driver that provides power for the rotation of the rotating disk, the rotating disk is provided with a feed channel with one end connected to one of the feed pipes and the other end connected to the interior of the collector, and a discharge pipe is provided at the bottom of the collector; further, the first driver is preferably an electric motor and a gear assembly, and the output end of the electric motor is transmission-connected to the rotating disk through the gear assembly.

[0007] Preferably, a stirring and crushing mechanism is installed on the rotating disk, and the stirring and crushing mechanism includes a mounting frame fixedly mounted on the rotating disk, a bevel gear disk fixedly mounted on the mounting frame, a first rotating shaft rotatably mounted on the rotating disk, a rod frame fixedly connected to the first rotating shaft and a second rotating shaft rotatably mounted on the rod frame, a bevel gear meshing with the bevel gear disk is fixedly mounted on the top of the second rotating shaft, a crusher is installed on the bottom of the second rotating shaft, a ball is fixedly mounted on the middle part of the second rotating shaft, the ball is rotatably mounted on the mounting frame, the second rotating shaft is inclined at a certain angle to the first rotating shaft, and a second drive for providing power for the rotation of the first rotating shaft is installed on the rotating disk; further, the second drive is preferably an electric motor; other equivalent drives with a rotational drive effect may also be used; the crusher includes a plurality of crushing rods enclosed in a cage, and the crusher may also use other equivalent parts that have a crushing effect on materials.

[0008] Preferably, it also includes a base frame, a support frame integrally connected to the collector, and a plurality of pressure sensors, wherein the base frame and the support frame are connected via the plurality of pressure sensors.

[0009] Preferably, a screw conveyor is installed at the discharge pipe.

[0010] Preferably, a material distribution guide is installed at the discharge end of the screw conveyor, and the material distribution guide includes a Y-shaped material channel and a blocking guide plate rotatably installed in the Y-shaped material channel, and the Y-shaped material channel includes a feeding channel and two discharge channels, and the blocking guide plate is located between the two discharge channels, and the material distribution guide is installed on the third driver for providing power for the rotation of the blocking guide plate; further, the third driver preferably includes a driving cylinder and a driving plate, and the driving cylinder provides power for the rotation of the blocking guide plate through the driving plate; the third driver may also adopt a braking stepper motor or other equivalent parts that have the function of providing power for the rotation of the blocking guide plate.

[0011] Preferably, the feed end of the feed channel is higher than the discharge end of the feed channel; further, the feed channel is inclined at a certain angle to the horizontal plane.

[0012] Preferably, the distance between every two adjacent feed pipes is greater than the inner diameter of the feed end of the feed channel.

[0013] Compared with the prior art, the utility model provides a centralized supply device for particulate materials, which has the following beneficial effects: in the centralized supply device for particulate materials, each feed pipe is respectively connected to multiple external mixing, drying and feeding systems. When the material formula changes, the first driver drives the rotating disk to rotate, so that the feed channel and each feed pipe are misaligned with each other, and the rotating disk blocks the discharge end of each feed pipe. At this time, the material in the collector is discharged through the discharge pipe. Then the first driver drives the rotating disk to rotate, so that the feed channel is connected with the feed pipe of the new formula material, so that the material enters the collector and is fed through the discharge pipe. The raw materials in each mixing and drying system can be temporarily stored and then fed, so that different formula raw materials can be switched and fed on demand. There is no need to clean the mixing and drying system. The structure is simple and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal cutaway plane structure of the utility model;

[0016] Figure 3 The utility model Figure 2 Schematic diagram of the cross-section structure at AA in the middle;

[0017] Figure 4 This is a three-dimensional structural diagram of the stirring and crushing mechanism of the utility model;

[0018] Markings in the attached drawings: 1. Collector; 2. Feed pipe; 3. Rotating disk; 4. First drive; 5. Feed channel; 6. Discharge pipe; 7. Mounting frame; 8. Bevel gear plate; 9. First rotating shaft; 10. Rod frame; 11. Second rotating shaft; 12. Bevel gear; 13. Crusher; 14. Ball; 15. Second drive; 16. Base frame; 17. Support frame; 18. Screw conveyor; 19. Y-shaped material channel; 20. Sealing guide plate; 21. Feed channel; 22. Discharge channel; 23. Third drive; 24. Pressure sensor. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-4The utility model is a device for centralized feeding of granular materials, comprising a collector 1, a plurality of feed pipes 2 connected to the inside of the collector 1, a rotating disk 3 rotatably installed in the collector 1, and a first driver 4 providing power for the rotation of the rotating disk 3. The rotating disk 3 is provided with a feed channel 5, one end of which is connected to one of the feed pipes 2 and the other end is connected to the inside of the collector 1, and a discharge pipe 6 is provided at the bottom of the collector 1. The first driver 4 is preferably an electric motor and a gear assembly, and the output end of the motor is connected to the rotating disk 3 through the gear assembly. It should be noted that the internal volume of the collector 1 is much smaller than the material storage capacity in the mixing, drying and feeding system, the amount of residual material in the collector 1 is small, the cleaning is convenient, and the amount of raw material waste is small.

[0021] For details, please refer to Figure 2 and Figure 4 , a stirring and crushing mechanism is installed on the rotating disk 3, and the stirring and crushing mechanism includes a mounting frame 7 fixedly installed on the rotating disk 3, a bevel gear plate 8 fixedly installed on the mounting frame 7, a first rotating shaft 9 rotatably installed on the rotating disk 3, a rod frame 10 fixedly connected to the first rotating shaft 9 and a second rotating shaft 11 rotatably installed on the rod frame 10, a bevel gear 12 meshing with the bevel gear plate 8 is fixedly installed on the top of the second rotating shaft 11, a crusher 13 is installed on the bottom of the second rotating shaft 11, a ball 14 is fixedly installed in the middle of the second rotating shaft 11, and the ball 14 is rotatably installed on the mounting frame 7, the second rotating shaft 11 is inclined at a certain angle to the first rotating shaft 9, and a second driver 15 that provides power for the rotation of the first rotating shaft 9 is installed on the rotating disk 3; further The second driver 15 is preferably an electric motor; other equivalent drivers with a rotational drive effect may also be used; the crusher 13 includes a plurality of crushing rods that are enclosed in a cage shape, and the crusher may also use other equivalent parts that have a crushing effect on the material; when the material enters the collector 1, by starting the second driver 15, the second driver 15 drives the first rotating shaft 9 to rotate, the rod frame 10 drives the second rotating shaft 11 to rotate around the bevel gear disk 8, and the bevel gear 12 rotates along the bevel gear disk 8, so that the second rotating shaft 11 rotates, and the second rotating shaft 11 stirs the material in the collector 1 during the movement, and the second rotating shaft 11 drives the crusher 13 to crush the material in the collector 1, thereby achieving uniform mixing and crushing of the material in the collector 1.

[0022] For details, please refer to Figure 1-3 , further comprising a base frame 16, a support frame 17 integrally connected to the material collector 1, and a plurality of pressure sensors 24, wherein the base frame 16 and the support frame 17 are connected via the plurality of pressure sensors 24. The pressure sensor 24 can sense the mass change of the material in the material collector 1. When the pressure value measured by the pressure sensor 24 is only the gravity value of the material collector 1, it indicates that the material in the material collector 1 has been completely discharged, and no manual review is required. When adding material to the material collector 1, the mass of the added material can also be measured by the pressure sensor 24.

[0023] A screw conveyor 18 is installed at the discharge pipe 6; the material discharged from the discharge pipe 6 can be conveyed quantitatively and at a constant speed through the screw conveyor 18.

[0024] Specifically, a material distribution guide is installed at the discharge end of the screw conveyor 18, and the material distribution guide includes a Y-shaped material channel 19, a blocking guide plate 20 rotatably installed in the Y-shaped material channel 19, and the Y-shaped material channel 19 includes a feed channel 21 and two discharge channels 22, and the blocking guide plate 20 is located between the two discharge channels 22. A third driver 23 for providing power for the rotation of the blocking guide plate 20 is installed on the material distribution guide; further, the third driver 23 is preferably a driving cylinder and a driving plate, and the driving cylinder provides power for the rotation of the blocking guide plate 20 through the driving plate; the third driver 23 can also be The braking stepper motor and other equivalent parts have the function of providing power for the rotation of the blocking guide plate 20; the two discharge channels 22 can be respectively connected to the two external pipe extrusion production lines, and the blocking guide plate 20 is driven to rotate by the third driver 23, so that the blocking guide plate 20 blocks one of the discharge channels 22, and the material enters the external pipe extrusion production line through the other discharge channel 22, so as to realize the switching and feeding of two different pipe extrusion production lines; in another embodiment, there can be multiple material distribution guides, and the multiple material distribution guides perform multi-channel guiding and diversion on the material to feed different pipe extrusion production lines.

[0025] The feed end of the feed channel 5 is higher than the discharge end of the feed channel 5; further, the feed channel 5 is inclined at a certain angle to the horizontal plane; through the above arrangement, the smoothness of the movement of the material in the feed channel 5 can be effectively improved, and the residual material in the feed channel 5 can be reduced.

[0026] The distance between each two adjacent feed pipes 2 is greater than the inner diameter of the feed end of the feed channel 5; when the rotating disk 3 blocks the feed pipe 2, the feed channel 5 is located between the two feed pipes 2 to prevent the material in the feed pipe 2 from entering the feed channel 5.

[0027] When in use, each feed pipe 2 is respectively connected to multiple external mixing, drying and feeding systems. When the material formula changes, the first driver 4 drives the rotating disk 3 to rotate, so that the feed channel 5 and each feed pipe 2 are misaligned with each other, and the rotating disk 3 blocks the discharge end of each feed pipe 2. At this time, the material in the collector 1 is discharged through the discharge pipe 6. Then the first driver 4 drives the rotating disk 3 to rotate, so that the feed channel 5 is connected with the feed pipe 2 of the new formula material, so that the material enters the collector 1 and is fed through the discharge pipe 6. The material in the collector 1 can be monitored by the pressure sensor 24. Weighing is performed. When the material enters the collector 1, the second driver 15 is started. The second driver 15 drives the first shaft 9 to rotate, the rod frame 10 drives the second shaft 11 to rotate around the bevel gear 8, and the bevel gear 12 rotates along the bevel gear 8, so that the second shaft 11 rotates. The second shaft 11 stirs the material in the collector 1 during the movement, and the second shaft 11 drives the crusher 13 to crush the material in the collector 1. The processed material is fed to the external pipe extrusion production line through the screw conveyor 18 and the material distribution guide.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for centralized feeding of granular materials, characterized in that: The invention comprises a material collector (1), a plurality of feed pipes (2) connected to the interior of the material collector (1), a rotating disk (3) rotatably mounted in the material collector (1), and a first driver (4) providing power for the rotation of the rotating disk (3); the rotating disk (3) is provided with a feed channel (5) having one end connected to one of the feed pipes (2) and the other end connected to the interior of the material collector (1); and a discharge pipe (6) is provided at the bottom of the material collector (1).

2. The device for centralized feeding of granular materials according to claim 1, characterized in that: The rotating disk (3) is provided with a stirring and crushing mechanism, comprising a mounting frame (7) fixedly mounted on the rotating disk (3), a bevel gear disk (8) fixedly mounted on the mounting frame (7), a first rotating shaft (9) rotatably mounted on the rotating disk (3), a rod frame (10) fixedly connected to the first rotating shaft (9), and a second rotating shaft (11) rotatably mounted on the rod frame (10), a bevel gear (12) meshing with the bevel gear disk (8) being fixedly mounted on the top of the second rotating shaft (11), a crusher (13) being mounted on the bottom of the second rotating shaft (11), a ball (14) being fixedly mounted on the middle of the second rotating shaft (11), the ball (14) being rotatably mounted on the mounting frame (7), the second rotating shaft (11) being inclined at a certain angle to the first rotating shaft (9), and a second driver (15) providing power for the rotation of the first rotating shaft (9) being mounted on the rotating disk (3).

3. The device for concentrated particle material supply according to claim 1 or 2, characterized in that: It also comprises a base frame (16), a support frame (17) integrally connected to the material collector (1), and a plurality of pressure sensors (24); the base frame (16) and the support frame (17) are connected via the plurality of pressure sensors (24).

4. The device for centralized feeding of granular materials according to claim 1, characterized in that: A screw conveyor (18) is installed at the discharge pipe (6).

5. The device for centralized particle material supply according to claim 4, characterized in that: A material distribution guide is installed at the discharge end of the screw conveyor (18), the material distribution guide comprising a Y-shaped material channel (19) and a blocking material guide plate (20) rotatably installed in the Y-shaped material channel (19), the Y-shaped material channel (19) comprising an inlet channel (21) and two discharge channels (22), the blocking material guide plate (20) being located between the two discharge channels (22), and a third driver (23) for providing power for the rotation of the blocking material guide plate (20) being installed on the material distribution guide.

6. The device for centralized particle material supply according to claim 1, characterized in that: The feed end of the feed channel (5) is higher than the discharge end of the feed channel (5).

7. The device for centralized feeding of granular materials according to claim 1, characterized in that: The distance between each two adjacent feed pipes (2) is greater than the inner diameter of the feed end of the feed channel (5).

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