Screening device for recycled plastic packaging

By introducing U-shaped plates and guide components into the screening device, the material moves along a zigzag path. Combined with the design of a vibrating motor and springs, the problem of short screening time is solved, and a more efficient screening effect is achieved.

CN223719907UActive Publication Date: 2025-12-26WUHAN JINGNUO PLASTICS CO LTD
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Patent Information

Application Number
CN202520117592.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-18
Publication Date
2025-12-26
Estimated Expiration
2035-01-18

AI Technical Summary

Technical Problem

The existing screening devices have short screening times, resulting in poor screening performance.

Method used

Design a screening device including a U-shaped plate and flow guiding components. The U-shaped plate is equipped with multiple screening sections and flow guiding components. During the screening process, the material moves along a zigzag path to increase the path length, and the vibration effect is improved by a vibrating motor and springs.

Benefits of technology

By increasing the length of the material movement path and improving the vibration effect, the screening effect was significantly improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of screening devices, and particularly relates to a screening device for reprocessed plastic packaging, which comprises a shell and a screening assembly, the screening assembly is arranged at the bottom of the shell, the bottoms of the two sides of the shell are both provided with vibration screening assemblies for supporting the screening assembly, and vibration motors are symmetrically arranged at the bottom end of the screening assembly. And the screening assembly comprises a U-shaped plate, a first screening part, a second screening part, a third screening part and a fourth screening part are arranged on the surface of the bottom end of the U-shaped plate from left to right, and flow guide components distributed at equal intervals in the width direction of the U-shaped plate are arranged in the U-shaped plate. According to the utility model, when materials pass through the screening part, the materials with corresponding particle sizes are screened, so that the effect of screening the materials is achieved, when the materials move downwards, the materials move along the flow guide part, and the moving path of the materials is in a broken line shape, so that the length of the moving path of the materials is increased, and the screening effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to screening device technical field, concretely relates to a screening device for recycled plastic packaging. BACKGROUND

[0002] The recycled plastic refers to the plastic raw material that is obtained by the physical or chemical method such as pretreatment, melt granulation, modification to the waste plastic, is the recycling of plastic, and needs to be screened according to the particle size after granulation, and then is packaged.

[0003] The screening device usually used, its sieve plate is straight plate structure, material rolls on its surface, moves along the sieve plate, and the moving route of material is straight line, and then leads to the moving route on the screening plate, and the screening time is short, and the screening effect is influenced. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of screening devices for recycled plastic packaging, it can increase the path length of material movement, improve screening effect, to solve the problem proposed in above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of screening device for recycled plastic packaging, including shell and screening subassembly, the screening subassembly is set at the bottom of shell, the bottom of the both sides of shell is provided with the vibration screen subassembly for supporting screening subassembly, the bottom end of the screening subassembly is symmetrically provided with vibration motor, the screening subassembly includes U-shaped plate, the surface of the bottom end of U-shaped plate is provided with first screening part, second screening part, third screening part and fourth screening part from left to right, the inside of U-shaped plate is provided with flow guide component that is equidistantly distributed along the width direction of U-shaped plate.

[0006] Further, the surface of the first screening part, second screening part, third screening part and fourth screening part is provided with uniformly distributed screen hole, and the screen hole diameter of the surface of the first screening part, second screening part, third screening part and fourth screening part increases in turn.

[0007] Further, the first screening part and second screening part, second screening part and third screening part, third screening part and fourth screening part are provided with emptying part.

[0008] Further, the flow guide component includes first guide plate and second guide plate, the first guide plate and second guide plate are evenly distributed, and the adjacent first guide plate and second guide plate are fixedly connected with connecting plate.

[0009] Further, the surface of the first guide plate and second guide plate is provided with uniformly distributed through hole.

[0010] Further, the diameter of the surface through hole of the flow guide component is equal to the diameter of the surface screen hole of the corresponding U-shaped plate.

[0011] Further, the vibrating screen assembly comprises a support plate fixedly connected to the side wall of the shell, a support rod is slidingly connected to the surface of the support plate, a spring is sleeved on the side wall of the support rod, the top end of the support rod is fixedly connected to the bottom end of the U-shaped plate, a top plate is fixedly connected to the top of the support rod, and the top end of the spring is fixedly connected to the bottom end of the top plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are that: when the material passes through the screening part, the material of the corresponding particle size is screened down, thereby playing the effect of screening the material, and when the material moves downward, it moves along the flow guide component, and the moving path is a broken line, thereby increasing the path length of the material movement and improving the screening effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a front sectional view of the utility model;

[0014] Figure 2 is a top view of the screening assembly of the utility model;

[0015] Figure 3 is a schematic diagram of the three-dimensional structure of the screening assembly of the utility model.

[0016] In the drawings, the components represented by each reference numeral are listed as follows:

[0017] 1, shell; 2, screening assembly; 21, U-shaped plate; 22, first screening part; 23, second screening part; 24, third screening part; 25, fourth screening part; 26, flow guide component; 261, first guide plate; 262, second guide plate; 263, connecting plate; 264, through hole; 27, screen hole; 28, empty part; 3, vibrating screen assembly; 31, support plate; 32, support rod; 33, spring; 34, top plate; 4, vibrating motor. DETAILED DESCRIPTION

[0018] In order to make the purpose and advantages of the utility model more clear and explicit, the following will specifically describe the utility model with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the specific protection range requested by the utility model.

[0019] For example, Figure 1 and 2As shown in the figure, a screening device for recycled plastic packaging includes a shell 1 and a screening assembly 2, the screening assembly 2 is arranged at the bottom of the shell 1, the bottom of both sides of the shell 1 is provided with a vibrating screen assembly 3 for supporting the screening assembly 2, and the bottom end of the screening assembly 2 is symmetrically provided with a vibrating motor 4. The screening assembly 2 includes a U-shaped plate 21, the surface of the bottom end of the U-shaped plate 21 is provided with a first screening part 22, a second screening part 23, a third screening part 24 and a fourth screening part 25 from left to right, and the inside of the U-shaped plate 21 is provided with flow guide components 26 which are equidistantly distributed along the width direction of the U-shaped plate 21.

[0020] According to the above structure, in use, the recycled plastic particles are placed on the U-shaped plate 21 from one end of the U-shaped plate 21, and then the U-shaped plate 21 is vibrated by the vibrating motor 4 to make the material flow downward, and when the material passes through the first screening part 22, the second screening part 23, the third screening part 24 and the fourth screening part 25, the material of the corresponding particle size is screened down, thereby achieving the effect of screening the material. When the material moves downward, it moves along the flow guide components 26, thereby increasing the path length of the material movement and improving the screening effect.

[0021] As shown in Figure 2 and 3 the surfaces of the first screening part 22, the second screening part 23, the third screening part 24 and the fourth screening part 25 are provided with uniformly distributed screen holes 27, the diameters of the screen holes 27 on the surfaces of the first screening part 22, the second screening part 23, the third screening part 24 and the fourth screening part 25 increase in turn, and the first screening part 22, the second screening part 23, the third screening part 24 and the fourth screening part 25 are provided with empty parts 28 between them.

[0022] According to the above structure, the first screening part 22, the second screening part 23, the third screening part 24 and the fourth screening part 25 respectively screen materials of different particle sizes, and the empty parts 28 are arranged to leave a blank at the tail section of the screening zone to avoid the material of the previous section from falling into the next section.

[0023] As shown in Figure 3 the flow guide components 26 include first guide plates 261 and second guide plates 262, there are several first guide plates 261 and second guide plates 262, the first guide plates 261 and the second guide plates 262 are staggered, and the adjacent first guide plates 261 and second guide plates 262 are fixedly connected with connecting plates 263, the surfaces of the first guide plates 261 and the second guide plates 262 are provided with uniformly distributed through holes 264, and the diameters of the through holes 264 on the surface of the flow guide components 26 are equal to the diameters of the screen holes 27 on the surface of the corresponding U-shaped plate 21.

[0024] According to the above structure, when the material moves downward, the material moves along the first guide plate 261 and the second guide plate 262 in sequence, thereby increasing the length of the material moving path, and improving the screening effect.

[0025] As shown in Figure 1 The support plate 31 is fixedly connected to the side wall of the shell 1, the surface of the support plate 31 is slidingly connected with the support rod 32, the side wall of the support rod 32 is sleeved with the spring 33, the top end of the support rod 32 is fixedly connected with the bottom end of the U-shaped plate 21, the top of the support rod 32 is fixedly connected with the top plate 34, and the top end of the spring 33 is fixedly connected with the bottom end of the top plate 34.

[0026] According to the above structure, when in use, the vibration motor 4 drives the U-shaped plate 21 to vibrate, and the U-shaped plate 21 drives the support rod 32 to move up and down after vibrating, and the spring 33 can improve the vibration effect of the U-shaped plate 21, thereby improving the screening effect.

[0027] The working principle of the utility model is as follows: in use, the regenerated plastic particles are placed on the U-shaped plate 21 from one end of the U-shaped plate 21, then the U-shaped plate 21 is vibrated by the vibration motor 4, the material flows downward, when the material passes through the first screening part 22, the second screening part 23, the third screening part 24 and the fourth screening part 25, the material of corresponding particle size is screened down, thereby achieving the effect of screening the material, when the material moves downward, the material moves along the flow guide part 26, thereby increasing the path length of the material movement, improving the screening effect, the setting of the hollow part 28 can leave a blank at the tail of the screening area, avoiding that the material of the previous part falls to the next part, when the material moves downward, the material moves along the first guide plate 261 and the second guide plate 262 in sequence, thereby increasing the length of the material moving path, and improving the screening effect, the setting of the second guide plate 262 can make part of the material of corresponding particle size pass through the through hole 264 and move downward, the vibration motor 4 drives the U-shaped plate 21 to vibrate, the U-shaped plate 21 drives the support rod 32 to move up and down after vibrating, and the spring 33 can improve the vibration effect of the U-shaped plate 21, thereby improving the screening effect.

[0028] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A screening device for recycled plastic packaging, comprising a housing (1) and a screening assembly (2), characterized in that: The screening assembly (2) is arranged at the bottom of the shell (1), the bottom of the shell (1) is provided with a vibrating screen assembly (3) for supporting the screening assembly (2), the bottom end of the screening assembly (2) is symmetrically provided with a vibrating motor (4), the screening assembly (2) comprises a U-shaped plate (21), the surface of the bottom end of the U-shaped plate (21) is provided with a first screening part (22), a second screening part (23), a third screening part (24) and a fourth screening part (25) from left to right, and the inside of the U-shaped plate (21) is provided with flow guide components (26) equidistantly distributed along the width direction of the U-shaped plate (21).

2. A screening device for recycled plastic packaging according to claim 1, characterized in that: The surfaces of the first screening part (22), the second screening part (23), the third screening part (24) and the fourth screening part (25) are all provided with uniformly distributed screen holes (27), and the diameters of the screen holes (27) on the surfaces of the first screening part (22), the second screening part (23), the third screening part (24) and the fourth screening part (25) increase in turn.

3. A screening device for recycled plastic packaging according to claim 1, characterized in that: The first screening part (22) and the second screening part (23), the second screening part (23) and the third screening part (24), and the third screening part (24) and the fourth screening part (25) are all provided with empty parts (28).

4. A screening device for recycled plastic packaging according to claim 1, characterized in that: The flow guide components (26) comprise first guide plates (261) and second guide plates (262), the first guide plates (261) and the second guide plates (262) are all provided with a plurality of first guide plates (261) and a plurality of second guide plates (262), the first guide plates (261) and the second guide plates (262) are staggered, and adjacent first guide plates (261) and second guide plates (262) are fixedly connected with connecting plates (263).

5. A screening device for recycled plastic packaging according to claim 4, characterized in that: The surfaces of the first guide plates (261) and the second guide plates (262) are all provided with uniformly distributed through holes (264).

6. A screening device for recycled plastic packaging according to claim 5, characterized in that: The diameters of the through holes (264) on the surfaces of the flow guide components (26) are equal to the diameters of the screen holes (27) on the surfaces of the corresponding positions of the U-shaped plate (21).

7. A screening device for recycled plastic packaging according to claim 1, characterized in that: The vibrating screen assembly (3) comprises a support plate (31) fixedly connected to the side wall of the shell (1), the surface of the support plate (31) is slidably connected with a support rod (32), the side wall of the support rod (32) is sleeved with a spring (33), the top end of the support rod (32) is fixedly connected with the bottom end of the U-shaped plate (21), the top of the support rod (32) is fixedly connected with a top plate (34), and the top end of the spring (33) is fixedly connected with the bottom end of the top plate (34).