Screening device for color master batch processing

Abstract

The screening device comprises a box body, a plurality of screening plates are movably arranged in the box body, a vibration motor is fixedly arranged in the center of the bottom of each screening plate, a barrel body with an opening in the upper end is fixedly arranged at the upper end of the box body, and a centrifugal dewatering barrel is rotationally arranged on the bottom face in the barrel body. A motor for driving the centrifugal dewatering barrel to rotate is fixedly arranged at the upper end of the barrel body, an outlet in the bottom of the centrifugal dewatering barrel extends into the box body, a feeding opening is formed in the upper end of the centrifugal dewatering barrel, and a water drainage opening is formed in the bottom of the side face of the barrel body. The color master batch can be immediately dehydrated and dried after extrusion, so that the preparation time before screening is greatly shortened, and the screening efficiency is improved; through centrifugal dewatering and hot air drying treatment, moisture in the color master batch is effectively removed, the hardening problem caused by excessive moisture is avoided, the quality stability and consistency of the color master batch are guaranteed, and then the quality of a final plastic product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of masterbatch processing devices, in particular to a screening device for masterbatch processing. Background Art

[0002] Masterbatch is a pigment additive used to color or change the color of plastic products, usually composed of pigments, additives and resin base materials. They play a vital role in the plastic processing industry and can be used to produce plastic products with various colors and characteristics, such as plastic packaging, automotive parts, electronic product housings, etc. In the production process of masterbatch, due to the different raw materials and additives, they often need to be screened to ensure quality. The screening process usually involves sorting the particles by size to remove impurities and ensure product quality.

[0003] In traditional masterbatch screening devices, common problems include the need for water cooling to solidify the masterbatch after extrusion, which results in a high moisture content in the masterbatch. Before screening, the masterbatch with a high moisture content needs to be fully dried, otherwise it will cause hardening. The hardening phenomenon seriously affects the screening process and may lead to problems such as reduced product quality and equipment failure. Utility Model Content

[0004] In order to solve the above-mentioned various problems, the utility model provides a screening device for masterbatch processing.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a screening device for masterbatch processing, including a box body, a plurality of sieve plates are movably arranged inside the box body, an oscillation motor is fixedly arranged at the bottom center of the sieve plate, a discharge port is arranged at the side of the box body corresponding to the lowest point of each sieve plate, a second discharge port is arranged at the bottom center of the box body, a barrel body with an upper end opening is fixedly arranged at the upper end of the box body, a centrifugal dehydration cylinder is rotatably arranged on the bottom surface of the barrel body, a motor for driving the centrifugal dehydration cylinder to rotate is fixedly arranged at the upper end of the barrel body, an outlet at the bottom of the centrifugal dehydration cylinder extends into the interior of the box body, a feed port is arranged at the upper end of the centrifugal dehydration cylinder, and a drainage port is arranged at the bottom of the side of the barrel body.

[0006] Furthermore, a hot air blower is fixedly provided at the upper end of the box body, a hot air duct is fixedly provided at one end of the hot air blower whose air outlet extends into the interior of the barrel body, the hot air duct is arranged vertically and a plurality of air outlet holes are provided on one side close to the centrifugal dehydration cylinder.

[0007] Furthermore, an electric-controlled valve is fixedly provided on the top surface of the interior of the box body, and the lower end outlet of the centrifugal dehydration cylinder is rotatably connected to the inlet of the electric-controlled valve.

[0008] Furthermore, the apertures of the plurality of sieve plates gradually decrease from top to bottom.

[0009] Furthermore, a plurality of evenly distributed water outlet holes are provided on the side of the centrifugal dehydration cylinder.

[0010] Compared with the prior art, the utility model has the following advantages: the novel screening device for masterbatch processing can dehydrate and dry the masterbatch immediately after extrusion by adopting a centrifugal dehydration cylinder and a hot air drying system, which greatly shortens the preparation time before screening and improves the screening efficiency; the centrifugal dehydration and hot air drying processes can effectively remove moisture from the masterbatch, avoid the problem of compaction caused by excessive water content, ensure the quality stability and consistency of the masterbatch, and thus improve the quality of the final plastic product. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a three-dimensional schematic diagram of the screening device for masterbatch processing of the utility model. Figure 1 .

[0012] Figure 2 This is a three-dimensional schematic diagram of the screening device for masterbatch processing of the utility model. Figure 2 .

[0013] Figure 3 The utility model is a schematic diagram of the main structure of a screening device for masterbatch processing.

[0014] Figure 4 The utility model is a schematic diagram of the top view of the screening device for masterbatch processing.

[0015] Figure 5 The utility model is a schematic diagram of the cross-sectional structure of a screening device for masterbatch processing.

[0016] As shown in the figure: 1. Box body; 2. Sieve plate; 3. Oscillation motor; 4. Discharge port; 5. Second discharge port; 6. Barrel body; 7. Centrifugal dehydration cylinder; 8. Motor; 9. Feed port; 10. Drain port; 11. Hot air blower; 12. Hot air duct; 13. Air outlet; 14. Water outlet; 15. Electric control valve. DETAILED DESCRIPTION

[0017] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside", "center", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction structure and operation. Therefore, they should not be understood as limitations on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "provided with", "installed", "connected", "connected" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] Combined with Figure 1 To Attachment Figure 5 , a screening device for masterbatch processing, comprising a box body 1, wherein a plurality of sieve plates 2 are movably arranged inside the box body 1, wherein the apertures of the plurality of sieve plates 2 gradually decrease from top to bottom, an oscillating motor 3 is fixedly arranged at the bottom center of the sieve plate 2, a discharge port 4 is arranged at the side of the box body 1 corresponding to the lowest point of each sieve plate 2, a discharge port 2 5 is arranged at the bottom center of the box body 1, a barrel body 6 with an upper end opening is fixedly arranged at the upper end of the box body 1, a centrifugal dehydration cylinder 7 is rotatably arranged on the bottom surface of the barrel body 6, a plurality of evenly distributed water outlet holes 14 are arranged on the side of the centrifugal dehydration cylinder 7, a motor 8 for driving the centrifugal dehydration cylinder 7 to rotate is fixedly arranged at the upper end of the barrel body 6, the bottom outlet of the centrifugal dehydration cylinder 7 extends into the interior of the box body 1, an electric control valve 15 is fixedly arranged on the top surface of the interior of the box body 1, the lower end outlet of the centrifugal dehydration cylinder 7 is rotatably connected to the inlet of the electric control valve 15, a feed port 9 is arranged at the upper end of the centrifugal dehydration cylinder 7, and a drain port 10 is arranged at the bottom of the side of the barrel body 6.

[0021] In this embodiment, a hot air blower 11 is fixedly provided at the upper end of the box body 1, and a hot air duct 12 is fixedly provided at one end of the hot air blower 11 whose air outlet extends into the interior of the barrel body 6. The hot air duct 12 is arranged vertically and has a plurality of air outlet holes 13 on one side close to the centrifugal dehydration cylinder 7.

[0022] Specific implementation method of the utility model: Before use, the utility model is first connected to an external power supply, the masterbatch is poured into the centrifugal dehydration drum 7 from the opening at the upper end of the barrel body 6, and then the motor 8 is started to drive the centrifugal dehydration drum to rotate, and the clear water in the masterbatch is separated by centrifugal force, and then the hot air blower 11 is started to dry the water vapor attached to the surface of the masterbatch. After drying, the motor 8 is stopped, the electric control valve 15 is opened, the masterbatch falls into the box body 1, and the oscillation motor 3 is started. After screening by multiple sieve plates 2, masterbatch of different particle sizes are discharged from different discharge ports respectively, and the screening is completed.

[0023] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A screening device for masterbatch processing, comprising a box (1), wherein a plurality of sieve plates (2) are movably arranged inside the box (1), an oscillating motor (3) is fixedly arranged at the bottom center of the sieve plate (2), a discharge port (4) is arranged at the lowest point of each sieve plate (2) on the side of the box (1), and a second discharge port (5) is arranged at the bottom center of the box (1), characterized in that: A barrel body (6) with an upper opening is fixedly provided at the upper end of the box body (1); a centrifugal dehydration cylinder (7) is rotatably provided on the bottom surface of the barrel body (6); a motor (8) for driving the centrifugal dehydration cylinder (7) to rotate is fixedly provided at the upper end of the barrel body (6); an outlet at the bottom of the centrifugal dehydration cylinder (7) extends into the box body (1); a feed port (9) is provided at the upper end of the centrifugal dehydration cylinder (7); and a drainage port (10) is provided at the bottom of the side of the barrel body (6).

2. The screening device for masterbatch processing according to claim 1, characterized in that: A hot air blower (11) is fixedly provided at the upper end of the box body (1); a hot air duct (12) is fixedly provided at one end of the hot air blower (11) whose air outlet extends into the interior of the barrel body (6); the hot air duct (12) is arranged vertically and is provided with a plurality of air outlet holes (13) on one side close to the centrifugal dehydration cylinder (7).

3. The screening device for masterbatch processing according to claim 1, characterized in that: An electric control valve (15) is fixedly provided on the top surface of the interior of the box body (1), and the lower end outlet of the centrifugal dehydration cylinder (7) is rotatably connected to the inlet of the electric control valve (15).

4. The screening device for masterbatch processing according to claim 1, characterized in that: The apertures of the plurality of sieve plates (2) gradually decrease from top to bottom.

5. The screening device for masterbatch processing according to claim 1, characterized in that: The side surface of the centrifugal dehydration cylinder (7) is provided with a plurality of evenly distributed water outlet holes (14).

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