Screening device for flame-retardant master batches

By designing a flame-retardant masterbatch screening device, which utilizes a servo motor-driven screening cylinder and a baffle structure, the problem of difficult removal of dust and impurities in existing technologies has been solved, achieving efficient and clean filtration of the masterbatch and improving product quality.

CN224060207UActive Publication Date: 2026-03-31JINWEI NANO NEW MATERIALS (HANGZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing screening machines are unable to effectively remove dust and impurities adhering to flame retardant masterbatches, affecting product quality.

Method used

A screening device for flame-retardant masterbatch was designed. The device utilizes a servo motor-driven screening cylinder and a baffle structure to remove dust and impurities from the masterbatch through screening and gravity impact. Combined with a filter screen, the device effectively removes impurities.

Benefits of technology

It effectively removes dust and impurities from flame retardant masterbatch, improving the cleanliness and quality of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

A screening device for flame-retardant master batches relates to the field of flame-retardant master batch preparation and comprises a machine body, a second servo motor is fixedly mounted on the rear side wall of an inner cavity of the machine body, a screening barrel is fixedly connected to a rotating shaft of the output end of the second servo motor, and fixing plates are fixedly mounted on the left side wall and the right side wall in the inner cavity of the machine body respectively. According to the flame-retardant master batch screening device, firstly, flame-retardant master batches are screened through rotation of the screening barrel, some broken particle plastic chips and impurity dust in the flame-retardant master batches are screened, and the flame-retardant master batches are screened through the screening barrel; and secondly, the flame-retardant master batch can be circularly pushed to the upper side of the inner cavity of the screening barrel in the screening process, then the flame-retardant master batch falls onto the two filter screen plates from the high position, dust and impurities attached to the flame-retardant master batch can be effectively fallen off through gravity impact, it is effectively guaranteed that the screened flame-retardant master batch is clean, and the product quality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of flame -retardant masterbatch preparation, especially a screening device of flame -retardant masterbatch. BACKGROUND

[0002] The full name of masterbatch is plastic masterbatch, and the alias is masterbatch. It is a kind of plastic processing aid, which is composed of excess chemical additives, carrier resin and dispersant etc., and flame -retardant masterbatch is also called flame -retardant masterbatch, fire -proof masterbatch. It is just to achieve the fire -proof requirement of plastic and rubber products and produce a kind of product.

[0003] In the process of flame -retardant masterbatch processing, some plastic chips and dust impurities are often attached to the masterbatch. If it is directly put into processing, the product will be greatly discounted, so a screening machine is needed to screen the flame -retardant masterbatch. But the existing screening machine can remove the plastic chips, but some dust impurities attached to the masterbatch will still remain. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of screening device of flame -retardant masterbatch to solve the problems raised in the above background.

[0005] The utility model solves its technical problem by the following technical scheme:

[0006] A kind of screening device of flame -retardant masterbatch, including machine body, servo motor two is fixedly installed on the inner chamber rear side wall of machine body, the output end rotating shaft of servo motor two is fixedly connected with sieve cylinder, fixed plate is respectively fixedly installed on the inner chamber left and right side walls of machine body, ring body is fixedly connected between the two fixed plates, the front end of sieve cylinder is rotatably installed in the ring body, inner disc body is slidably installed in the inner chamber of sieve cylinder, two filter screen plates are fixedly installed between the rear end surface of disc body and the front end surface of inner disc body, rotating ring is rotatably installed in the disc body, the rotating ring penetrates the disc body, the rear end surface of rotating ring is equidistantly distributed and fixedly installed with several push plates, the outer end edge of each push plate can be respectively abutted on the inner chamber side wall of sieve cylinder, the front end surface of rotating ring is fixedly connected with connecting rod, center connecting part is fixedly connected on the output end rotating shaft of servo motor one.

[0007] As preferred, the fixed plate is provided with a sliding groove, and the two ends of the disc body are respectively fixedly connected with L-shaped sliding strips, and each L-shaped sliding strip is slidably connected in the corresponding sliding groove.

[0008] As preferred, the two filter screen plates are arranged in a "V" shape and have a cavity in the middle.

[0009] Preferably, the end face of the dial plate towards the clockwise direction is provided with an inner recessed cavity.

[0010] Preferably, the front end face of the screening cylinder body is provided with a protruding part, the rear end face of the ring body is provided with a countersunk ring cavity, and the protruding part is rotatably installed in the countersunk ring cavity.

[0011] Preferably, the inner cavity bottom of the machine body is fixedly installed with a support body, and the rear end area of the screening cylinder body is rotatably installed in the inner recessed arc of the upper end face of the support body.

[0012] Preferably, the front end face of the L-shaped sliding bar is fixedly installed with a handle.

[0013] Preferably, the inner cavity bottom of the machine body is slidably installed with a collecting pocket.

[0014] Preferably, the upper end face of the machine body is provided with air-permeable grooves at equal intervals.

[0015] The advantages and positive effects of the utility model are:

[0016] The utility model discloses a screening device for flame-retardant master batch, which comprises a machine body, a screening cylinder body, a filter screen plate, a L-shaped sliding bar and a handle. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described below in combination with the drawings and examples.

[0018] Figure 1 It is the whole structure schematic diagram of a kind of screening device for flame-retardant master batch of the utility model;

[0019] Figure 2 It is the internal structure schematic diagram of a kind of screening device for flame-retardant master batch of the utility model;

[0020] Figure 3 It is the unfolded structure schematic diagram of screening cylinder body and filter screen plate in a kind of screening device for flame-retardant master batch of the utility model;

[0021] Figure 4 It is the structure schematic diagram of filter screen plate in a kind of screening device for flame-retardant master batch of the utility model;

[0022] Figure 5The structure diagram of the ring body in the screening device of the flame-retardant master batch.

[0023] The marks in the drawings are described as follows: machine body 10; collecting pocket 11; air-permeable groove 12; fixed plate 13; ring body 14; disc body 15; L-shaped sliding strip 16; handle 17; rotating ring 18; connecting rod 19; central connecting part 20; servo motor one 21; push plate 22; filter screen plate 23; sliding groove 24; screening cylinder 25; protruding part 26; supporting body 27; servo motor two 28; inner disc body 29; countersunk ring cavity 30. DETAILED DESCRIPTION

[0024] The utility model will be described further in detail by combining with the drawings, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments, all other embodiments obtained by the ordinary skilled in the art without making creative labor based on the embodiment in the utility model, belong to the scope of protection of the utility model, these drawings are all simplified schematic diagrams, only the basic structure of the utility model is shown in the schematic way, therefore, it only shows the structure related to the utility model.

[0025] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings, several embodiments of the utility model are given in the drawings, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0026] The utility model will be described further in detail by combining with the drawings, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments, all other embodiments obtained by the ordinary skilled in the art without making creative labor based on the embodiment in the utility model, belong to the scope of protection of the utility model, these drawings are all simplified schematic diagrams, only the basic structure of the utility model is shown in the schematic way, therefore, it only shows the structure related to the utility model. Figures 1-5 The utility model will be described further in detail by combining with the drawings, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments, all other embodiments obtained by the ordinary skilled in the art without making creative labor based on the embodiment in the utility model, belong to the scope of protection of the utility model, these drawings are all simplified schematic diagrams, only the basic structure of the utility model is shown in the schematic way, therefore, it only shows the structure related to the utility model. Figure 1 The direction of the view is consistent with the front, back, left, right, up and down directions of the front view of the utility model device, Figure 1 The direction of the view is consistent with the front, back, left, right, up and down directions of the front view of the utility model device.

[0027] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrated; can be mechanically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside at least two elements or the interaction relationship of at least two elements, unless otherwise explicitly limited. For the ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The utility model embodiment will be described further in detail below by combining with the drawings:

[0029] Please refer to Figures 1-5 The utility model provides a kind of embodiment of the screening device of flame-retardant master batch, including machine body 10 and sieve cylinder 25, the top of the machine body 10 is equipped with ventilation groove 12 and ventilates, wherein the sieve cylinder 25 is formed by filtering screen surrounding, rear end face thickening, it is convenient to be fixedly installed on the output end shaft of servo motor two 28, and servo motor two 28 is fixedly installed on the rear side wall of the inner cavity of the machine body 10, while fixedly installed with fixed plate 13 on the left and right side walls in the inner cavity of the machine body 10, ring body 14 is fixedly connected between two fixed plate 13, the front end of the sieve cylinder 25 is rotatably installed in ring body 14, the inner cavity of the sieve cylinder 25 is slidably installed with inner disc body 29, the inner circle front end opening of ring body 14 is provided with disc body 15, two filter screen plates 23 are fixedly installed between the rear end face of disc body 15 and the front end face of inner disc body 29, two described filter screen plates 23 are arranged in "V" shape, and there is cavity in the middle, rotatable ring 18 is rotatably installed in disc body 15, rotatable ring 18 penetrates disc body 15, the rear end face of rotatable ring 18 is equidistantly distributed and fixedly installed with several push plates 22, the outer end edge of each described push plate 22 can respectively abut on the inner cavity side wall of sieve cylinder 25, the front end face of rotatable ring 18 is fixedly connected with connecting rod 19, connecting rod 19 is fixedly connected with center connecting portion 20, the center connecting portion 20 is fixedly connected on the output end shaft of servo motor one 21, the rotation direction of servo motor two 28 is driven and the rotation direction of servo motor one 21 is opposite and moves, when flame-retardant master batch is put into the inner cavity of sieve cylinder 25 and sieves, servo motor one 21 and servo motor two 28 are started, to drive the counterclockwise rotation of sieve cylinder 25, and the clockwise rotation of push plate 22 is pasted to the inner cavity side wall of sieve cylinder 25, and flame-retardant master batch is in the inner cavity of sieve cylinder 25, first, some broken particles plastic chips and impurities dust in flame-retardant master batch are sieved by the rotation of sieve cylinder 25, and fall into the collection pocket 11 fixedly installed in the inner cavity bottom of the machine body 10 and are collected, while push plate 22 can drive some flame-retardant master batch at the bottom to be pushed to the upside of the inner cavity of sieve cylinder 25, and then fall into two filter screen plates 23 from high place, utilize gravity impact to filter screen plate 23, can effectively bounce off some dust impurities attached to flame-retardant master batch, to ensure that flame-retardant master batch is clean and impurity-free, some dust impurities attached to flame-retardant master batch are bounced off and then fall into the inner cavity bottom of sieve cylinder 25 and are rolled and sieved, impurity dust is filtered into the inner cavity of collection pocket 11, effectively ensure that flame-retardant master batch after sieving is clean, improve the quality of product.

[0030] It is worth mentioning that, in order to facilitate the flame-retardant masterbatch into the screening cylinder 25 screening, in this embodiment, the fixed plate 13 is provided with a chute 24, the two ends of the disc body 15 are respectively fixedly connected with L-shaped slide bar 16, each L-shaped slide bar 16 is respectively connected in the corresponding chute 24, the front end surface of the L-shaped slide bar 16 is fixedly installed with a handle 17, and the two handles 17 are held out of the disc body 15 at a time, and then the flame-retardant masterbatch is poured into the screening cylinder 25, and the flame-retardant masterbatch in the screening cylinder 25 can be scraped out by the inner disc body 29 after screening is completed, so that the flame-retardant masterbatch is collected conveniently.

[0031] It should be noted that, in order to facilitate the flame-retardant masterbatch to be moved to the upper side of the inner cavity of the screening cylinder 25, in this embodiment, the end surface of the pushing plate 22 towards the clockwise direction is provided with an inner recess, so that the flame-retardant masterbatch falls into the inner recess and moves with the pushing plate 22.

[0032] It is also worth mentioning that, in order to ensure the stability during screening, in this embodiment, the front end surface edge of the screening cylinder 25 is provided with a protruding portion 26, the rear end surface of the ring body 14 is provided with a countersunk ring cavity 30, the protruding portion 26 is rotatably installed in the countersunk ring cavity 30, the inner cavity bottom of the machine body 10 is fixedly installed with a support body 27, and the rear end region of the screening cylinder 25 is rotatably installed in the inner recessed arc on the upper end surface of the support body 27, so that the front and rear ends of the screening cylinder 25 are supported, and the screening cylinder 25 is more stable during rotation.

[0033] In specific implementation, the two handles 17 are held out of the disc body 15, the flame-retardant masterbatch is poured into the screening cylinder 25, the disc body 15 is pushed in, and the servo motor one 21 and the servo motor two 28 are started, so that the screening cylinder 25 is driven to rotate counterclockwise, and the pushing plate 22 rotates clockwise along the inner cavity side wall of the screening cylinder 25, and the flame-retardant masterbatch in the inner cavity of the screening cylinder 25 is screened by the rotation of the screening cylinder 25, so that some plastic chips and impurities in the flame-retardant masterbatch are screened and fall into the collecting pocket 11 installed at the bottom of the inner cavity of the machine body 10 for collection, and the pushing plate 22 can also push some flame-retardant masterbatch at the bottom to the upper side of the inner cavity of the screening cylinder 25, and then fall onto the two filter screen plates 23 from a high place, so that the dust and impurities attached to the flame-retardant masterbatch are effectively bounced off by gravity impact on the filter screen plate 23, so that the flame-retardant masterbatch is clean and free of impurities, and the dust and impurities attached to the flame-retardant masterbatch are bounced off and then fall into the inner cavity of the screening cylinder 25 for rolling screening, so that the impurities are filtered into the inner cavity of the collecting pocket 11, and the flame-retardant masterbatch after screening is effectively clean, and the quality of the product is improved.

[0034] It should be emphasized that the embodiments of the present application are illustrative and not restrictive, and therefore the present application is not limited to the embodiments described in the specific embodiments, and any other embodiments derived by those skilled in the art from the technical solutions of the present application also belong to the scope of protection of the present application.

Claims

1. A screening device for flame retardant masterbatches comprising a body (10) characterized in that: The inner cavity rear side wall of the machine body (10) is fixedly installed with a servo motor two (28), the output end rotating shaft of the servo motor two (28) is fixedly connected with a screening barrel (25), the inner cavity of the machine body (10) is fixedly installed with a fixed plate (13) on the left and right side walls respectively, the two fixed plates (13) are fixedly connected with a ring body (14), the front end of the screening barrel (25) is rotatably installed in the ring body (14), the inner cavity of the screening barrel (25) is slidably installed with an inner disc body (29), the inner circle front end opening of the ring body (14) is provided with a disc body (15), the rear end face of the disc body (15) and the front end face of the inner disc body (29) are fixedly installed with two filter screen plates (23), the disc body (15) is rotatably installed with a rotating ring (18), the rotating ring (18) penetrates the disc body (15), the rear end face of the rotating ring (18) is fixedly installed with a plurality of push plates (22) at equal intervals, the outer end edge of each push plate (22) can abut on the inner cavity side wall of the screening barrel (25) respectively, the front end face of the rotating ring (18) is fixedly connected with a connecting rod (19), the connecting rod (19) is fixedly connected with a center connecting part (20), and the center connecting part (20) is fixedly connected with the output end rotating shaft of a servo motor one (21).

2. The screening device of flame retardant masterbatch as claimed in claim 1 wherein: The fixed plate (13) is provided with a sliding groove (24), and the two ends of the disc body (15) are fixedly connected with an L-shaped sliding bar (16) respectively, and each L-shaped sliding bar (16) is slidably connected in the corresponding sliding groove (24).

3. A screening device for flame retardant masterbatch as claimed in claim 2, wherein: The two filter screen plates (23) are arranged in a "V" shape and are spaced apart by a cavity.

4. A screening device for flame retardant masterbatch as claimed in claim 3, wherein: The push plate (22) is provided with an inner recess cavity on the end face facing the clockwise direction.

5. A screening device for flame retardant masterbatch as claimed in claim 4 wherein: The front end face edge of the screening barrel (25) is provided with a protruding part (26), the rear side end face of the ring body (14) is provided with a countersunk ring cavity (30), and the protruding part (26) is rotatably installed in the countersunk ring cavity (30).

6. A screening device for flame retardant masterbatch as claimed in claim 5 wherein: The inner cavity bottom of the machine body (10) is fixedly installed with a support body (27), and the rear end area of the screening barrel (25) is rotatably installed in the inner recessed arc of the upper end face of the support body (27).

7. A screening device for flame retardant masterbatch as claimed in claim 6 wherein: The front end face of the L-shaped sliding bar (16) is fixedly installed with a handle (17).

8. The screening device of flame retardant masterbatch as claimed in claim 1 wherein: The inner cavity bottom of the machine body (10) is slidably installed with a collecting pocket (11).

9. The screening device of flame retardant masterbatch as claimed in claim 1 wherein: The upper end face of the machine body (10) is provided with air permeation grooves (12) at equal intervals.