Adjustable screening drum for screening flame-retardant master batch

By designing an adjustable screening cylinder, the problems of inconsistent particle size and impurity residue in the production of flame retardant masterbatch were solved, achieving flexible aperture adjustment and efficient screening, thus improving production efficiency.

CN223800960UActive Publication Date: 2026-01-16JINWEI NANO NEW MATERIALS (HANGZHOU) CO LTD
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Patent Information

Application Number
CN202520186447.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-01-16
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

In the current flame retardant masterbatch production process, the particle size is inconsistent and residual fragments and impurities are easily left behind, resulting in inaccurate measurement. Furthermore, changing to different mesh screens requires machine shutdown, which is inefficient.

Method used

Design an adjustable screening cylinder including a chassis connection part, a ring cover, an outer screening cylinder and an inner screening cylinder. The mesh size can be flexibly switched by adjusting blocks and limiting slides. Combined with the partition cylinder to filter impurities, the screening efficiency is improved.

Benefits of technology

It enables flexible adjustment of the mesh size without stopping the machine, improving screening efficiency. It can efficiently screen flame-retardant particles of different particle sizes and remove impurities, thus improving work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

An adjustable screening drum for flame-retardant master batch screening relates to the field of flame-retardant master batch screening, and comprises a chassis connecting part and an annular cover, an outer screening drum is fixedly mounted between the chassis connecting part and the annular cover, first meshes are distributed in the outer screening drum, an inner screening drum is rotatably mounted on the inner ring of the annular cover, and the outer screening drum is fixedly mounted on the outer ring of the annular cover. The rear end of the inner-layer screening drum abuts against the base plate connecting part, second mesh holes and third mesh holes are distributed in the inner-layer screening drum, the screening drum is arranged to be three layers, the inner-layer screening drum is rotated to switch the mesh holes with different hole diameters to be communicated with the outer-layer screening drum to form screening mesh holes with different hole diameters, and therefore the screening mesh holes with different hole diameters are formed. The flame-retardant particle screening device is simple in structure and convenient to use, flame-retardant particles of different particle specifications can be screened, the screening efficiency can be greatly improved, meanwhile, when only plastic chippings and other impurities in the flame-retardant particles need to be screened, the separation net barrel on the middle layer is rotated, and efficient flame-retardant particle screening can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of flame -retardant master batch divides sieve, especially a kind of adjustable screening cylinder for flame -retardant master batch divides sieve. BACKGROUND

[0002] The existing flame -retardant master batch inevitably appears particle size in production process, simultaneously, some broken material impurities are also left, so that it will cause inaccurate metering when metering, so different size master batch particles need to be screened;

[0003] And we find that when using existing screening device, different mesh screening screen needs to be replaced for some different particle specifications master batch, and it needs to stop each time, and it is very troublesome, resulting in greatly reduced work efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of adjustable screening cylinder for flame -retardant master batch divides sieve to solve the problems raised in the above background.

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

[0006] A kind of adjustable screening cylinder for flame -retardant master batch divides sieve, including bottom disc connecting part and ring cover, outer layer screening cylinder is fixedly installed between the bottom disc connecting part with the ring cover, mesh one is distributedly arranged in the outer layer screening cylinder, the inner circle of the ring cover is rotatably installed with inner layer screening cylinder, the rear end of the inner layer screening cylinder is butted on the bottom disc connecting part, mesh two and mesh three are distributedly arranged in the inner layer screening cylinder, the mesh two corresponds with the mesh one, the mesh three is distributedly arranged in the column direction interval between adjacent two mesh two, adjusting block is fixedly installed on the front end surface of the inner layer screening cylinder, the bottom of the adjusting block is fixedly connected with connecting plate part, limit sheet is fixedly arranged on the connecting plate part, limit sliding slot is arranged on the front end surface of the ring cover, the limit sheet is slidably connected in the limit sliding slot, the bottom end surface of the adjusting block is provided with protruding portion, sliding slot is arranged on the outer surface of the ring cover, the protruding portion is slidably embedded in the sliding slot.

[0007] As preferred, limit slide column is slidably installed on the adjusting block, the limit slide column extends downward and penetrates the protruding portion, top cover is fixedly installed on the upper end surface of the limit slide column, reset spring is connected between the bottom of the top cover and the upper end surface of the adjusting block, inner hole is arranged in the bottom cavity wall of the sliding slot, the lower end surface of the limit slide column can be inserted into the inner hole.

[0008] Preferably, a screen separating cylinder is arranged between the outer layer screen separating cylinder and the inner layer screen separating cylinder, the screen separating cylinder is rotatably arranged on the ring cover, strip-shaped openings are equidistantly arranged in the screen separating cylinder, and each of the strip-shaped openings corresponds to one of the screen meshes.

[0009] Preferably, an L-shaped rod is fixedly connected to the front end surface of the screen separating cylinder, and the L-shaped rod is slidably arranged through the corresponding.

[0010] Preferably, the vertical part of the adjusting block is slidably arranged on the front end surface of the ring cover.

[0011] The utility model discloses the advantages and positive effects are:

[0012] The utility model discloses the advantages and positive effects are: BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model discloses further illustrate in combination with the drawings and examples.

[0014] Figure 1 It is a whole structure schematic diagram of the utility model for a kind of adjustable screen separating cylinder for flame-retardant master batch screening;

[0015] Figure 2 It is a structure schematic diagram of the outer layer screen separating cylinder in the adjustable screen separating cylinder for flame-retardant master batch screening of the utility model;

[0016] Figure 3 It is a structure schematic diagram of the inner layer screen separating cylinder in the adjustable screen separating cylinder for flame-retardant master batch screening of the utility model;

[0017] Figure 4 It is a structure schematic diagram of the inner layer screen separating cylinder in the adjustable screen separating cylinder for flame-retardant master batch screening of the utility model;

[0018] Figure 5 It is a structure schematic diagram of the inner layer screen separating cylinder in the adjustable screen separating cylinder for flame-retardant master batch screening of the utility model;

[0019] Figure 6 It is a structure schematic diagram of the inner layer screen separating cylinder in the adjustable screen separating cylinder for flame-retardant master batch screening of the utility model;

[0020] Figure 7 It is a structure schematic diagram of the inner layer screen separating cylinder in the adjustable screen separating cylinder for flame-retardant master batch screening of the utility model;

[0021] Figure 8 The structure schematic view of the inner hole position in the adjustable screening cylinder for the flame-retardant master batch screening.

[0022] The marks in the drawings are described as follows: base connecting part 10, ring cover 11, outer layer screening cylinder 12, inner layer screening cylinder 13, screen cylinder 14, strip-shaped port 15, mesh hole 1 16, L-shaped rod 17, mesh hole 2 18, mesh hole 3 19, limiting sheet 20, connecting plate part 21, adjusting block 22, limiting slide column 23, top cover 24, protruding part 25, sliding groove 26, limiting sliding groove 27, inner hole 28. DETAILED DESCRIPTION

[0023] The utility model will be described in further detail in connection with the drawings. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model. The drawings are simplified schematic views, and only illustrate the basic structure of the utility model in a schematic manner, so they only show the relevant structure of the utility model.

[0024] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings. The drawings show several embodiments of the utility model. 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.

[0025] The utility model will be described in further detail in connection with the drawings. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model. The drawings are simplified schematic views, and only illustrate the basic structure of the utility model in a schematic manner, so they only show the relevant structure of the utility model. Figures 1-8 The utility model will be described in further detail in connection with the drawings. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model. The drawings are simplified schematic views, and only illustrate the basic structure of the utility model in a schematic manner, so they only show the relevant structure of the utility model. Figure 1 The directions of the front, back, left, right, up and down in the view direction are consistent with the directions of the front, back, left, right, up and down in the view direction, Figure 1 The directions of the front, back, left, right, up and down in the view direction are consistent with the directions of the front, back, left, right, up and down in the view direction,

[0026] 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, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between 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.

[0027] The utility model further illustrates the embodiment of the utility model in combination with drawings:

[0028] Please refer to Figures 1-8 The utility model provides an embodiment: a adjustable screening cylinder for fire -retardant master batch screening, including bottom disc connecting portion 10 and ring cover 11, bottom disc connecting portion 10 is used to connect between power source, fixedly installed between bottom disc connecting portion 10 with ring cover 11 there is outer layer screening cylinder 12, the distribution of mesh one 16 is set up in outer layer screening cylinder 12, the inner circle of ring cover 11 rotatable mounting has inner layer screening cylinder 13, the rear end of inner layer screening cylinder 13 is butted on bottom disc connecting portion 10, the distribution of mesh two 18 with mesh three 19 is set up in inner layer screening cylinder 13, mesh two 18 with mesh one 16 correspond, mesh three 19 distribution sets up in the column direction interval between two adjacent mesh two 18, the aperture of mesh one 16 is the biggest, the aperture of mesh two 18 is greater than mesh three 19, mesh two 18 with mesh three 19 is the column direction interval distribution, the front end face of inner layer screening cylinder 13 is fixedly installed with adjusting block 22, the bottom fixed connection of adjusting block 22 has connecting plate part 21, the fixed setting of connecting plate part 21 has limit piece 20, the front end face of ring cover 11 is provided with limit sliding slot 27, limit piece 20 is slidably connected in limit sliding slot 27, the bottom end face of adjusting block 22 is provided with protruding portion 25, the outer surface of ring cover 11 is provided with sliding slot 26, protruding portion 25 is slidably embedded in sliding slot 26.

[0029] Initially for mesh two 18 with outer layer screening cylinder 12 correspond to each other, to form the initial screening mesh, and when needing to adjust the aperture of screening mesh, only need to rotate adjusting block 22 counterclockwise, make limit piece 20 in limit sliding slot 27 slide, slide to the side wall of limit sliding slot 27 when just limit stop, at this time, the angle of counterclockwise rotation of inner layer screening cylinder 13 just lets mesh three 19 with outer layer screening cylinder 12 correspond to each other, to make screening mesh switch from mesh two 18 to mesh three 19, mesh aperture becomes small, to be able to screen different particle specifications fire -retardant particle, very convenient, can greatly improve screening efficiency.

[0030] It is worth mentioning that, in order to sieve more stable in switching sieve aperture, in this embodiment, the adjusting block 22 is slidingly installed with a limiting slide column 23, the limiting slide column 23 extends downwardly through the convex part 25, the limiting slide column 23 is fixedly installed with a top cover 24 on the upper end face, the bottom of the top cover 24 is connected with a reset spring between the upper end face of the adjusting block 22, the bottom cavity wall of the sliding groove 26 is provided with an inner hole 28, the lower end face of the limiting slide column 23 can be inserted into the inner hole 28, the vertical part of the adjusting block 22 is slidingly attached to the front end face of the ring cover 11, when the adjusting block 22 is counterclockwise rotated, the bottom end of the limiting slide column 23 abuts against the bottom cavity wall of the sliding groove 26, when the limiting sheet 20 slides to the other side wall position of the limiting sliding groove 27, the bottom end of the limiting slide column 23 slides into the inner hole 28 under the action of the reset spring to be clamped and limited, so that the inner layer sieve cylinder 13 is more stable.

[0031] It is also worth mentioning that, in order to further expand the specification range of the sieve, in this embodiment, the outer layer sieve cylinder 12 and the inner layer sieve cylinder 13 are provided with a screen cylinder 14, the screen cylinder 14 is rotatably installed on the ring cover 11, the screen cylinder 14 is formed by a layer of filter screen, and strip-shaped openings 15 are equidistantly arranged in the screen cylinder 14, so that the strip-shaped openings 15 are completely penetrated, and the remaining part is a filter screen mesh, and the strip-shaped openings 15 correspond to each column of the mesh hole 16, the ring cover 11 is provided with a 29, the front end face of the screen cylinder 14 is fixedly connected with an L-shaped rod 17, the L-shaped rod 17 slides through the corresponding 29;

[0032] Initially, the strip-shaped openings 15 are connected with the mesh hole 16, and some different particle specifications of the fire-retardant particles can be sieved, when some small impurities and debris need to be filtered and sieved, the L-shaped rod 17 is actuated to rotate the screen cylinder 14, so that the strip-shaped openings 15 are disconnected with the mesh hole 16, and the filter screen mesh part of the screen cylinder 14 is connected with the mesh hole 16, so that the small impurities and debris are sieved and filtered through the filter screen mesh part of the screen cylinder 14.

[0033] In the embodiment, the center of the bottom connecting part 10 is fixed on the rotating shaft of the motor, and the flame-retardant master batch to be screened is poured into the inner cavity of the inner screening cylinder 13, and the mesh size of the screening mesh can be selected according to the particle size of the flame-retardant master batch. Initially, the mesh two 18 corresponds to the outer screening cylinder 12, thereby forming a communication and an initial screening mesh. When the mesh size of the screening mesh needs to be adjusted, the adjusting block 22 is rotated counterclockwise, so that the limiting sheet 20 slides in the limiting sliding groove 27 and is limited when sliding to the side wall of the limiting sliding groove 27. At this time, the inner screening cylinder 13 is counterclockwise rotated by an angle, so that the mesh three 19 corresponds to the outer screening cylinder 12, thereby switching the screening mesh from the mesh two 18 to the mesh three 19, and the mesh size is reduced, so that the flame-retardant particles of different particle sizes can be screened, which is very convenient and can greatly improve the screening efficiency.

[0034] When some small impurities and debris need to be filtered and screened out, the L-shaped rod 17 is actuated to rotate the screen cylinder 14, so that the strip-shaped port 15 is disconnected from the mesh one 16, and the screen mesh of the screen cylinder 14 is connected to the mesh one 16, so that the small impurities and debris are screened and filtered through the screen mesh of the screen cylinder 14. The bottom connecting part 10 is driven by the motor to rotate, and the screening is completed.

[0035] It should be emphasized that the embodiments of the utility model are illustrative rather than limiting, and therefore the utility model is not limited to the embodiments described in the specific embodiments. Any other embodiments derived from the technical solution of the utility model by those skilled in the art also belong to the scope of protection of the utility model.

Claims

1. An adjustable sifting cylinder for sifting flame-retardant masterbatches, comprising a base plate connection part (10) and a ring cover (11), characterized in that: The outer layer sieve cylinder (12) is fixedly installed between the bottom plate connecting part (10) and the ring cover (11), and a mesh one (16) is arranged in the outer layer sieve cylinder (12); the inner layer sieve cylinder (13) is rotatably installed in the inner circle of the ring cover (11), and the rear end of the inner layer sieve cylinder (13) abuts against the bottom plate connecting part (10); a mesh two (18) and a mesh three (19) are arranged in the inner layer sieve cylinder (13); the mesh two (18) corresponds to the mesh one (16); the mesh three (19) is arranged between the column direction intervals of two adjacent mesh twos (18); the adjusting block (22) is fixedly installed on the front end surface of the inner layer sieve cylinder (13); the connecting plate part (21) is fixedly connected to the bottom of the adjusting block (22); the limiting sheet (20) is fixedly arranged on the connecting plate part (21); the limiting sliding groove (27) is arranged on the front end surface of the ring cover (11); the limiting sheet (20) is slidably connected in the limiting sliding groove (27); the protruding part (25) is arranged on the bottom end surface of the adjusting block (22); the sliding groove (26) is arranged on the outer surface of the ring cover (11); and the protruding part (25) is slidably embedded in the sliding groove (26).

2. An adjustable sizing cylinder for sizing flame retardant masterbatches as claimed in claim 1, wherein: The limiting sliding column (23) is slidably installed on the adjusting block (22), the limiting sliding column (23) extends downward and penetrates the protruding part (25), the top cover (24) is fixedly installed on the upper end surface of the limiting sliding column (23), the reset spring is connected between the bottom of the top cover (24) and the upper end surface of the adjusting block (22), the inner hole (28) is arranged in the bottom cavity wall of the sliding groove (26), and the lower end surface of the limiting sliding column (23) can be inserted into the inner hole (28).

3. An adjustable sizing cylinder for sizing flame retardant masterbatches as claimed in claim 2, wherein: The screen separating cylinder (14) is arranged between the outer layer sieve cylinder (12) and the inner layer sieve cylinder (13), the screen separating cylinder (14) is rotatably installed on the ring cover (11), strip-shaped openings (15) are equidistantly arranged in the screen separating cylinder (14), and the strip-shaped openings (15) correspond to each column of mesh ones (16).

4. The adjustable sizing cylinder for sizing flame retardant masterbatches as claimed in claim 3 wherein: The (29) is arranged through the ring cover (11), the L-shaped rod (17) is fixedly connected to the front end surface of the screen separating cylinder (14), and the L-shaped rod (17) slidably penetrates the corresponding (29).

5. An adjustable sizing cylinder for sizing flame retardant masterbatches as claimed in claim 4 wherein: The vertical part of the adjusting block (22) is slidably attached to the front end surface of the ring cover (11).