A screening device for amino molding compound granules

By designing a screening device inside the tank, the rapid screening and classification collection of amino molding compound granules was achieved using a vibrating motor and an inclined discharge chute, solving the problems of low screening efficiency and untimely classification collection in existing technologies.

CN224446491UActive Publication Date: 2026-07-03XUANCHENG HUAYU NEW MATERIAL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XUANCHENG HUAYU NEW MATERIAL CO LTD
Filing Date
2025-09-23
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing amino molding compound granule screening devices have low screening efficiency, and the screened granules cannot be classified and collected in a timely manner.

Method used

A screening device was designed, comprising a tank, a feed hopper, a screen plate, a vibrating mechanism, and a collecting mechanism. The screen plate is driven by a vibrating motor to vibrate and screen rapidly, and the particles are classified and collected by an inclined discharge chute and an open-top recycling bin.

Benefits of technology

This improved the screening efficiency of amino molding compound granules and enabled rapid classification and collection of the granules after screening.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a screening device for amino molding compound granules, including a tank. A feed hopper is located on the top surface at the center of the tank, and the bottom of the tank is conical. A discharge hopper is located on the conical bottom at the center of the tank. This utility model introduces amino molding compound granules into the tank via the feed hopper. A vibrating motor, in conjunction with vibrating springs on two limiting rods, drives several screen plates to vibrate rapidly. This allows the screen plates, with decreasing screen apertures from top to bottom, to rapidly vibrate and screen the amino molding compound granules, improving screening efficiency. The amino molding compound granules that have passed through the screen plates are discharged along the discharge hopper, while those retained on the screen plates are discharged along an inclined discharge chute and collected in several uncovered recycling bins. Several pulleys are used to move the uncovered recycling bins, facilitating the classification and collection of the screened amino molding compound granules.
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Description

Technical Field

[0001] This utility model relates to the field of amino molding compound production technology, and in particular to a screening device for amino molding compound granules. Background Technology

[0002] Amino molding compound granules are thermosetting polymer compounds produced by the reaction of amino resins and polyols. They are mainly used in the fields of electronics, electrical appliances and automobiles. They have excellent heat resistance, flame retardancy and electrical insulation properties. They are favored because of their bright colors, stable dimensions and environmental friendliness and easy recycling. After crushing, they need to be sorted and screened for different particle sizes to ensure consistent product quality during hot melt molding.

[0003] Existing screening methods for amino molding compound granules are inconvenient for rapid screening, resulting in low screening efficiency. Furthermore, the screened amino molding compound granules cannot be classified and collected in a timely manner. This paper proposes a screening device for amino molding compound granules to solve the above problems. Utility Model Content

[0004] To address the shortcomings and defects in existing technologies, this utility model proposes a screening device for amino molding compound granules. This device solves the technical problems in the prior art where the screening of amino molding compound granules is inconvenient for rapid screening, the screening efficiency is low, and the screened amino molding compound granules cannot be classified and collected in a timely manner.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A screening device for amino molding compound granules includes a tank body. A feed hopper is provided on the top surface at the center of the tank body. The bottom of the tank body is conical. A discharge hopper is provided on the conical bottom at the center of the tank body. Support piles are fixedly installed on the inclined lower ends of the tank body near the four corners. A material control component is horizontally installed through the feed hopper. Several rectangular openings are provided on the inner walls of the left and right sides of the tank body. A screen plate is installed between two adjacent rectangular openings. A material collection mechanism is provided on the right side of the tank body. A vibration mechanism is provided on the left side wall of the tank body. The vibration mechanism is vertically installed through several screen plates.

[0007] Preferably, the material control assembly includes hydraulic cylinders fixedly installed on the upper ends of the left and right sides of the tank body, the piston rods of the two hydraulic cylinders are arranged opposite to each other, and L-shaped baffles are fixedly connected to the opposite side walls of the piston rods of the two hydraulic cylinders. The horizontal sections of the two L-shaped baffles penetrate the inner walls of the left and right sides of the feed hopper and abut against each other.

[0008] Preferably, the material collection mechanism includes several inclined discharge troughs fixedly connected to the right side wall of the tank body, the several inclined discharge troughs being respectively arranged opposite several rectangular openings on the right side, several screen plates being respectively inserted into the several inclined discharge troughs, several uncovered recycling bins being provided on the right side of the tank body, the several uncovered recycling bins being fixedly connected to each other, pulleys being fixedly installed at the lower ends of the uncovered recycling bins near the four corners, and a sealed hinged cover plate being opened on the front inner wall of the several uncovered recycling bins near the bottom.

[0009] Preferably, the screen holes of the plurality of screen plates are arranged in descending order from top to bottom, the lengths of the plurality of inclined discharge troughs are arranged in descending order from top to bottom, and the upper ends of the plurality of uncovered recycling bins are respectively located close to the inclined lower end faces of the plurality of inclined discharge troughs.

[0010] Preferably, the vibration mechanism includes a vibration motor fixedly installed on four support piles and two fixed blocks fixedly connected to the left side wall near the upper and lower ends of the tank. The two fixed blocks on the same horizontal plane are respectively arranged near the front and rear ends of the tank. Limiting rods are fixedly connected between the two upper and lower opposite fixed blocks. The two limiting rods are respectively vertically inserted through the upper ends of several screen plates near the front and rear sides. Vibration springs are fixedly connected between the several screen plates and between the screen plates and the fixed blocks.

[0011] Preferably, an intelligent digital display controller is fixedly installed on the front side wall of the tank, and the two hydraulic cylinders and several vibration motors are all associated with the intelligent digital display controller.

[0012] Compared with the prior art, the advantages of this utility model are as follows:

[0013] 1. By feeding amino molding compound granules into the tank through the feed hopper, the vibrating motor, together with the vibrating springs on the two limit rods, drives several screen plates to vibrate rapidly. This allows the screen plates, with their screen holes decreasing sequentially from top to bottom, to rapidly vibrate and screen the amino molding compound granules, thereby improving the screening efficiency.

[0014] 2. The amino molding compound granules that have passed through several sieves are discharged along the discharge hopper, while the amino molding compound granules that remain on several sieves are discharged along the inclined discharge chute and collected in several uncovered recycling bins. Several pulleys are used to move the uncovered recycling bins, which facilitates the classification and collection of the screened amino molding compound granules. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a screening device for amino molding compound granules proposed in this utility model;

[0016] Figure 2 This is a perspective view of a screening device for amino molding compound granules proposed in this utility model;

[0017] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle.

[0018] In the diagram: 1. Tank body, 2. Feed hopper, 3. Discharge hopper, 4. Support pile, 5. Rectangular opening, 6. Screen plate, 7. Hydraulic cylinder, 8. L-shaped baffle plate, 9. Inclined discharge chute, 10. Uncovered recycling bin, 11. Pulley, 12. Cover plate, 13. Vibration motor, 14. Fixing block, 15. Limiting rod, 16. Vibration spring, 17. Intelligent digital display controller. Detailed Implementation

[0019] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figure 1-3 A screening device for amino molding compound granules includes a tank body 1. A feed hopper 2 is provided on the top surface of the center of the tank body 1. The feed hopper 2, in conjunction with a vacuum conveyor, guides the amino molding compound granules into the tank body 1. The bottom of the tank body 1 is conical. A discharge hopper 3 is provided on the conical bottom of the tank body 1. The conical bottom of the tank body 1, in conjunction with the discharge hopper 3, discharges the amino molding compound granules that have passed through several sieve plates 6. Support piles 4 are fixedly installed on the inclined lower ends of the tank body 1 near the four corners. A material control component is horizontally installed through the feed hopper 2. The material control component includes hydraulic cylinders 7, which are fixedly installed on the upper ends of the left and right sides of the tank body 1. The piston rods of the two hydraulic cylinders 7 are arranged opposite each other. L-shaped baffles 8 are fixedly connected to the opposite side walls of the piston rods of the two hydraulic cylinders 7. The horizontal sections of the two L-shaped baffles 8 horizontally penetrate the inner walls of the left and right sides of the feed hopper 2 and abut against each other. The hydraulic cylinders 7 on both sides drive the two L-shaped baffles 8 to move horizontally, so as to control the feed amount of the feed hopper 2.

[0022] The inner walls of both sides of the tank 1 are provided with several rectangular openings 5. A screen plate 6 is installed between each pair of adjacent rectangular openings 5. A material collection mechanism is provided on the right side of the tank 1. The material collection mechanism includes several inclined discharge troughs 9 fixedly connected to the right side wall of the tank 1. The inclined discharge troughs 9 are respectively positioned opposite the rectangular openings 5 ​​on the right side. Several screen plates 6 are respectively inserted into the inclined discharge troughs 9. Several uncovered recycling bins 10 are provided on the right side of the tank 1. The uncovered recycling bins 10 are fixedly connected to each other. Pulleys 11 are fixedly installed at the lower ends of the uncovered recycling bins 10 near the four corners. The pulleys 11 facilitate simultaneous movement. Several uncovered recycling bins 10 are provided with sealed hinged covers 12 on the inner front wall of the several uncovered recycling bins 10 near the bottom. The covers 12 are locked and fixed to the side wall of the uncovered recycling bins 10. Opening the covers 12 facilitates cleaning the material inside the uncovered recycling bins 10. The screen holes of several screen plates 6 are arranged in descending order from top to bottom. The lengths of several inclined discharge troughs 9 are arranged in descending order from top to bottom. The upper ends of several uncovered recycling bins 10 are respectively located close to the inclined lower end faces of several inclined discharge troughs 9. Several inclined discharge troughs 9 are used to guide the amino molding compound particles retained on several screen plates 6 into several uncovered recycling bins 10.

[0023] A vibration mechanism is provided on the left side wall of the tank body 1. The vibration mechanism is vertically installed through several screen plates 6. The vibration mechanism includes a vibration motor 13 fixedly installed on four support piles 4 and two fixing blocks 14 fixedly connected to the left side wall of the tank body 1 near the upper and lower ends. The two fixing blocks 14 on the same horizontal plane are respectively located near the front and rear ends of the tank body 1. Limiting rods 15 are fixedly connected between the two upper and lower opposing fixing blocks 14. The two limiting rods 15 are respectively vertically installed through the upper ends of several screen plates 6 near the front and rear sides, between the several screen plates 6, and between the screen plates 6 and the fixing blocks 14. Each of the four support piles 4 is fixedly connected with a vibration spring 16. The vibration motor 13 on the four support piles 4, together with the two limit rods 15, is located between several screen plates 6. The vibration spring 16 drives several screen plates 6 to vibrate rapidly, so that several screen plates 6 with decreasing screen holes from top to bottom can quickly vibrate and screen amino molding compound particles, thereby improving the screening efficiency. An intelligent digital display controller 17 is fixedly installed on the front side wall of the tank body 1. The two hydraulic cylinders 7 and several vibration motors 13 are all associated with the intelligent digital display controller 17. The intelligent digital display controller 17 is used to control the opening and closing of the hydraulic cylinders 7 and the vibration motors 13.

[0024] In use, the amino-film plastic granules to be screened are introduced into the feed hopper 2 using a vacuum conveyor. The hydraulic cylinders 7 on both sides of the upper end of the tank 1 are started to drive the two L-shaped baffles 8 to separate horizontally, so that the amino-film plastic granules to be screened pass through the feed hopper 2 into the tank 1. The vibration motors 13 on the four support piles 4 are started, and the vibration springs 16 located between the screen plates 6 with the two limit rods 15 drive the screen plates 6 to vibrate rapidly. This allows the screen plates 6, with the screen holes decreasing from top to bottom, to vibrate and screen the amino-film plastic granules quickly, improving the screening efficiency. Then, the amino-film plastic granules that have passed through the screen plates 6 are discharged along the discharge hopper 3, while the amino-film plastic granules that remain on the screen plates 6 are discharged along the inclined discharge chute 9 and collected in the uncovered recycling bins 10. The uncovered recycling bins 10 are moved by the pulleys 11 to facilitate the classification and collection of the screened amino-film plastic granules.

[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A screening device for amino molding compound granules, comprising a tank (1), wherein a feed hopper (2) is provided on the top surface at the center of the tank (1), the bottom of the tank (1) is conical, a discharge hopper (3) is provided on the conical bottom at the center of the tank (1), and support piles (4) are fixedly installed on the inclined lower ends of the tank (1) near the four corners, characterized in that, The feed hopper (2) is horizontally connected with a material control component. The inner walls of the left and right sides of the tank (1) are provided with several rectangular openings (5). A screen plate (6) is connected between two adjacent rectangular openings (5). The right side of the tank (1) is provided with a material collection mechanism. The left side wall of the tank (1) is provided with a vibration mechanism. The vibration mechanism is vertically connected through several screen plates (6).

2. A screening apparatus for amino molding compound granules according to claim 1, characterized in that, The material control assembly includes hydraulic cylinders (7) that are fixedly installed on the upper left and right sides of the tank (1). The piston rods of the two hydraulic cylinders (7) are arranged opposite to each other. L-shaped baffles (8) are fixedly connected to the opposite side walls of the piston rods of the two hydraulic cylinders (7). The horizontal sections of the two L-shaped baffles (8) penetrate the inner walls of the left and right sides of the feed hopper (2) and abut against each other.

3. A screening apparatus for amino molding compound granules according to claim 1, wherein The material collection mechanism includes several inclined discharge troughs (9) fixedly connected to the right side wall of the tank (1). The several inclined discharge troughs (9) are respectively set opposite to several rectangular openings (5) on the right side. Several screen plates (6) are respectively inserted into the several inclined discharge troughs (9). Several uncovered recycling boxes (10) are provided on the right side of the tank (1). The several uncovered recycling boxes (10) are fixedly connected to each other. The lower ends of the uncovered recycling boxes (10) near the four corners are all fixedly installed with pulleys (11). The front inner wall of the several uncovered recycling boxes (10) near the bottom is provided with a sealed hinged cover plate (12).

4. A screening apparatus for amino molding compound granules according to claim 3, wherein The screen holes of the plurality of screen plates (6) are arranged in descending order from top to bottom, the lengths of the plurality of inclined discharge troughs (9) are arranged in descending order from top to bottom, and the upper ends of the plurality of uncovered recycling bins (10) are respectively arranged close to the inclined lower end face of the plurality of inclined discharge troughs (9).

5. A screening device for amino molding compound granules according to claim 2, characterized in that, The vibration mechanism includes a vibration motor (13) fixedly installed on four support piles (4) and two fixed blocks (14) fixedly connected to the left side wall of the upper and lower ends of the tank (1). The two fixed blocks (14) on the same horizontal plane are respectively set near the front and rear ends of the tank (1). Limiting rods (15) are fixedly connected between the two upper and lower fixed blocks (14). The two limiting rods (15) are respectively vertically inserted through the upper ends of several screen plates (6) near the front and rear sides. Vibration springs (16) are fixedly connected between several screen plates (6) and between screen plates (6) and fixed blocks (14).

6. A screening apparatus for amino molding compound granules according to claim 5, wherein An intelligent digital display controller (17) is fixedly installed on the front side wall of the tank (1). The two hydraulic cylinders (7) and several vibration motors (13) are all associated with the intelligent digital display controller (17).