Separator for producing polypropylene fine powder

By introducing crushing and anti-clogging mechanisms into the separator used for polypropylene fine powder production, the problems of inconsistent particle size and easy screen clogging have been solved, achieving efficient screening with uniform fine powder particle size and no clogging, thus improving product quality and ease of maintenance.

CN223901935UActive Publication Date: 2026-02-13SHANGHAI CARBON YU TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423182017.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-02-13
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Traditional polypropylene fine powder screening devices suffer from problems such as inconsistent particle size, impurities, and easy clogging of the screen, resulting in poor product quality and frequent maintenance.

Method used

A separator including a crushing mechanism and an anti-clogging mechanism was designed. The separator uses a drive motor to drive the gear meshing crushing roller for secondary crushing, and a combination structure of filter plate, connecting frame, crossbar, fixed rod and buffer rod is used to prevent screen clogging.

Benefits of technology

This method achieves uniform polypropylene fine powder particle size, improves product quality, effectively prevents screen clogging, and simplifies the maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a separator for polypropylene fine powder production, which comprises a box body, the top end of the box body is fixedly connected with a plurality of limiting rods, the top ends of the plurality of limiting rods penetrate through a limiting plate, the top end of the limiting plate is fixedly connected with a fixing plate, the top end of the fixing plate is fixedly connected with a feed port, and the top end of the feed port is fixedly connected with a discharge port. And a crushing mechanism is arranged at the bottom end of the limiting plate, an anti-blocking mechanism is arranged at the bottom end of the crushing mechanism, the crushing mechanism comprises a crushing box, a fixing plate is fixedly connected to the top end of the crushing box, a driving motor is fixedly connected to one side of the outer wall of the crushing box, and a motor rod is fixedly connected to the output end of the driving motor. The separator for producing the polypropylene fine powder has the function of refining polypropylene particles with different sizes in the polypropylene fine powder again, and also has the advantage that the screen mesh cannot be blocked in the polypropylene screening process.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of separation device, concretely relates to a separator for polypropylene fine powder production. BACKGROUND

[0002] Polypropylene is abbreviated as PP, which is a polymer formed by polyaddition of propylene. It is a white waxy material, transparent and light in appearance, which is a kind of excellent thermoplastic synthetic resin, mainly including homopolymer, copolymer and impact-resistant three types of products, widely used in injection molding, pipe, film, fiber and the like. The main production processes include liquid phase bulk method, liquid phase bulk and gas phase method combined process and gas phase method process, which are widely used in the production of clothing, blankets and other fiber products, medical devices, automobiles, bicycles, parts, conveying pipelines, chemical containers and the like. It is also used for food and drug packaging. In the production process of polypropylene, fine powder needs to be screened.

[0003] However, the following problems exist when using the traditional device:

[0004] 1. In most existing polypropylene fine powder screening, the particle size of fine powder is often mixed, a large amount of impurities and fine powder of different particle sizes are mixed in the polypropylene fine powder, which leads to quality problems of the produced polypropylene and difficult screening.

[0005] 2. In most existing polypropylene fine powder screening devices, the screen mesh will be blocked after a long time of use, which needs to be cleaned frequently by the staff, which is troublesome to use. INVENTION CONTENTS

[0006] In view of the deficiencies in the prior art, the utility model aims to provide a separator for polypropylene fine powder production, which has the functions of re-fining different size particles in polypropylene fine powder and preventing screen mesh from being blocked during polypropylene screening.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a separator for polypropylene fine powder production, comprising a box body, a plurality of limiting rods are fixedly connected to the top end of the box body, the top end of the plurality of limiting rods penetrates a limiting plate, the top end of the limiting plate is fixedly connected with a fixed plate, and the top end of the fixed plate is fixedly connected with a feeding port.

[0008] The bottom end of the limiting plate is provided with a crushing mechanism, and the bottom end of the crushing mechanism is provided with an anti-blocking mechanism.

[0009] Through the above technical scheme, when the device is re-crushed and subdivided for polypropylene fine powder, the device can be limited to vibrate without deviation.

[0010] Preferably, the crushing mechanism comprises a crushing box, a fixed plate is fixedly connected to the top end of the crushing box, and a driving motor is fixedly connected to one side of the outer wall of the crushing box, and a motor rod is fixedly connected to the output end of the driving motor.

[0011] Through the above technical scheme, the driving motor drives the motor rod to rotate, so that the driving gear rotates to drive the driven gear to mesh and rotate, so that the two crushing rollers mesh with each other, and the fine powder is crushed again, so that the polypropylene fine powder has the same particle size, the quality of the produced fine powder is better, and the quality of the produced product is improved.

[0012] Preferably, the outer wall of the motor rod penetrates a driving gear, the outer wall of the driving gear meshes with a driven gear, and the driving gear is fixedly connected to a crushing roller on one side.

[0013] Through the above technical scheme, the polypropylene fine powder can be crushed again.

[0014] Preferably, the driven gear is fixedly connected to a driven rod on one side, the driven rod is fixedly connected to a crushing roller at one end, and the two crushing rollers mesh with each other.

[0015] Through the above technical scheme, the two crushing rollers mesh with each other, so that the polypropylene fine powder can be crushed and screened.

[0016] Preferably, the inner bottom end face of the crushing box is fixedly connected to a filter plate, the top end of the filter plate is fixedly connected to a plurality of connecting frames, the top end of the plurality of connecting frames is fixedly connected to a cross rod, one side of the plurality of connecting frames is fixedly connected to a fixed rod, the outer wall of the plurality of fixed rods is fixedly connected to a fixed block, and the bottom end of the plurality of fixed blocks is fixedly connected to a buffer rod.

[0017] Through the above technical scheme, the polyurethane fine powder crushed by the device falls on the filter plate through the filter plate, connecting frame, cross rod, fixed rod, fixed block and buffer rod, the filter plate is fixed more stably through the connecting frame and fixed rod, the weight of the polypropylene fine powder does not deform the filter plate through the buffer rod, and the vibration of the polyurethane fine powder crushed by the device is transmitted to the crushing box, so that the filter plate can shake, and the polyurethane fine powder on the filter plate can fall off without being blocked.

[0018] Preferably, the anti-blocking mechanism comprises a support plate, and a plurality of spring rods are fixedly connected to the bottom end of the support plate.

[0019] Through the above technical scheme, the spring rod is supported through the bottom plate.

[0020] Preferably, the bottom end of the two bottom plates is fixedly connected with a connecting plate, the bottom end of the connecting plate is fixedly connected with a discharge port, and the top end of the connecting plate is connected with the filter plate through a bellows.

[0021] Through the above technical scheme, the polyurethane fine powder can be transmitted through the bellows.

[0022] Compared with the prior art, the polyurethane fine powder can be transmitted through the bellows.

[0023] 1. The driving motor drives the motor rod to rotate, so that the driving gear rotates to drive the driven gear to mesh and rotate, so that the two crushing rollers mesh with each other, and the fine powder is crushed again, so that the polypropylene fine powder has the same particle size, the quality of the produced fine powder is better, and the quality of the produced product is improved.

[0024] 2. The filter plate, connecting frame, cross rod, fixed rod, fixed block and buffer rod are arranged, so that the polyurethane fine powder crushed by the device falls on the filter plate, the filter plate is fixed more stably through the connecting frame and the fixed rod, the weight of the polypropylene fine powder does not deform the filter plate through the buffer rod, the vibration of the polyurethane fine powder crushed by the device is transmitted to the crushing box, the filter plate is shaken through the shaking of the plurality of spring rods on the bottom plate driven by the crushing box, so that the polyurethane fine powder on the filter plate falls off and is not blocked. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0026] Figure 2 It is a crushing mechanism structure schematic view of the utility model;

[0027] Figure 3 It is an anti-blocking mechanism structure schematic view of the utility model;

[0028] Figure 4 It is a filter plate connecting structure schematic view of the utility model;

[0029] Figure 5 It is an enlarged structure schematic view of the place A in the utility model. Figure 4

[0030] ​In the diagram: 1. Box body; 101. Limiting rod; 102. Limiting plate; 103. Feed inlet; 104. Fixing plate; 2. Crushing mechanism; 201. Crushing box; 202. Drive motor; 203. Motor rod; 204. Driven gear; 205. Driven gear; 206. Driven rod; 207. Crushing roller; 208. Filter plate; 209. Connecting frame; 210. Crossbar; 211. Fixing rod; 212. Fixing block; 213. Buffer rod; 3. Anti-clogging mechanism; 301. Support plate; 302. Spring rod; 303. Bottom plate; 304. Corrugated pipe; 305. Connecting plate; 306. Discharge port. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Example 1:

[0033] Please see Figures 1-5 This utility model provides a technical solution: a separator for producing polypropylene fine powder, including a box body 1, a plurality of limiting rods 101 fixedly connected to the top of the box body 1, a limiting plate 102 penetrating the top of the plurality of limiting rods 101, a fixing plate 104 fixedly connected to the top of the limiting plate 102, and a feed inlet 103 fixedly connected to the top of the fixing plate 104.

[0034] The bottom end of the limit plate 102 is provided with a crushing mechanism 2, and the bottom end of the crushing mechanism 2 is provided with an anti-blocking mechanism 3.

[0035] In this embodiment, the above-mentioned technical solution enables the device to perform limited vibration when re-crushing and refining polypropylene fine powder, preventing it from deviating.

[0036] Example 2:

[0037] Please see Figures 1-5On the basis of embodiment one, the utility model provides a technical scheme: broken mechanism 2 includes broken box 201, the top fixedly connected with fixed plate 104 of broken box 201, and the outer wall one side of broken box 201 is fixedly connected with drive motor 202, the output fixedly connected with motor stem 203 of drive motor 202, through setting drive motor 202 and drive motor stem 203 are rotated, to make driving gear 205 can rotate to drive gear 204 and meshing rotation, to make the mutual meshing between two rubbing rollers 207, carry out secondary crushing to fine powder, make the same particle size of polypropylene fine powder, the quality of the fine powder produced is better, improve the quality of the product produced, the outer wall of motor stem 203 is penetrated with driving gear 205, the outer wall of driving gear 205 is engaged with driven gear 204, and the side of driving gear 205 is fixedly connected with rubbing roller 207, so that polypropylene fine powder can be crushed twice, the side of driven gear 204 is fixedly connected with driven rod 206, and the one end of driven rod 206 is fixedly connected with rubbing roller 207, the mutual meshing between two rubbing rollers 207, by setting the mutual meshing between two rubbing rollers 207, polypropylene fine powder can be crushed and screened, the inner bottom surface of broken box 201 is fixedly connected with filter plate 208, the top of filter plate 208 is fixedly connected with a plurality of connecting frames 209, the top of a plurality of connecting frames 209 is fixedly connected with cross rod 210, and the side of a plurality of connecting frames 209 is fixedly connected with fixed rod 211, the outer wall of a plurality of fixed rods 211 is fixedly connected with fixed block 212, and the bottom of a plurality of fixed blocks 212 is fixedly connected with buffer rod 213, by setting filter plate 208, connecting frame 209, cross rod 210, fixed rod 211, fixed block 212 and buffer rod 213, the polyurethane fine powder after the crushing of the device can fall on filter plate 208, by connecting frame 209 and fixed rod 211, filter plate 208 is more stable, by buffer rod 213, the weight of polypropylene fine powder will not make filter plate 208 deform, by the vibration of the device for crushing polyurethane fine powder, a plurality of spring rods 302 are driven on the bottom plate 303 in broken box 201, so that filter plate 208 can be shaken, so that the polyurethane fine powder on filter plate 208 can fall off and will not be blocked.

[0038] In the embodiment, the polyurethane fine powder crushed by the device falls on the filter plate 208, the filter plate 208 is fixed more stably through the connecting frame 209 and the fixing rod 211, the weight of the polypropylene fine powder does not deform the filter plate 208 through the buffer rod 213, the vibration of the polyurethane fine powder crushed by the device is transmitted to the crushing box 201, a plurality of spring rods 302 are driven to shake on the bottom plate 303 through the crushing box 201, so that the filter plate 208 shakes, the polyurethane fine powder on the filter plate 208 falls and does not block.

[0039] Embodiment three:

[0040] Please refer to Figure 1 , Figure 2 and Figure 3 , on the basis of the embodiment one and the embodiment two, the utility model provides a technical scheme: anti -blocking mechanism 3 includes support plate 301, the bottom of support plate 301 is all fixedly connected with a plurality of spring rods 302, and the bottom of a plurality of spring rods 302 is fixedly connected with bottom plate 303, the spring rod 302 is supported through the setting bottom plate 303, the bottom of two bottom plates 303 is fixedly connected with connecting plate 305, and the bottom of connecting plate 305 is fixedly connected with discharge gate 306, and the top of connecting plate 305 is connected with filter plate 208 through bellow 304, and the polyurethane fine powder is transmitted through the setting bellow 304.

[0041] In the embodiment, the spring rod 302 is supported through the setting bottom plate 303, and the polyurethane fine powder is transmitted through the setting bellow 304.

[0042] The utility model discloses a working principle and use flow: through setting up drive motor 202 drive motor pole 203 carries out rotation to make the driving gear 205 can rotate to drive driven gear 204 to carry out meshing rotation to make the mutual meshing between two rubbing rollers 207, carry out secondary crushing to fine powder, make the same particle size of polypropylene fine powder, the quality of the fine powder produced is better, has improved the quality of the product produced, through setting up filter plate 208, connecting frame 209, cross bar 210, fixed link 211, fixed block 212 and buffer rod 213, make the device after crushing polyurethane fine powder can fall on filter plate 208, through connecting frame 209 and fixed link 211, make filter plate 208 fixed more stable, through buffer rod 213, make the weight of polypropylene fine powder not make filter plate 208 deformation, through the vibration of the device to polyurethane fine powder crushing, transmission to crushing box 201, through crushing box 201 drive multiple spring rod 302 on the bottom plate 303 swing, to make filter plate 208 can swing along with, make the polyurethane fine powder on filter plate 208 can drop, will not jam.

[0043] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A separator for polypropylene fine powder production comprising a box (1), characterized in that: The top end of the box (1) is fixedly connected with a plurality of limiting rods (101), the top end of the plurality of limiting rods (101) penetrates a limiting plate (102), the top end of the limiting plate (102) is fixedly connected with a fixed plate (104), and the top end of the fixed plate (104) is fixedly connected with a feeding port (103). The bottom end of the limiting plate (102) is provided with a crushing mechanism (2), and the bottom end of the crushing mechanism (2) is provided with an anti-blocking mechanism (3).

2. A separator for the production of polypropylene fine powder according to claim 1, characterized in that: The crushing mechanism (2) comprises a crushing box (201), the top end of the crushing box (201) is fixedly connected with a fixed plate (104), one side of the outer wall of the crushing box (201) is fixedly connected with a driving motor (202), and the output end of the driving motor (202) is fixedly connected with a motor rod (203).

3. A separator for the production of polypropylene fine powder according to claim 2, characterized in that: The outer wall of the motor rod (203) penetrates a driving gear (205), the outer wall of the driving gear (205) is engaged with a driven gear (204), and one side of the driving gear (205) is fixedly connected with a crushing roller (207).

4. A separator for the production of polypropylene fine powder according to claim 3, characterized in that: One side of the driven gear (204) is fixedly connected with a driven rod (206), one end of the driven rod (206) is fixedly connected with a crushing roller (207), and the two crushing rollers (207) are engaged with each other.

5. The separator for producing polypropylene fine powder according to claim 2, characterized in that: The inner bottom end surface of the crushing box (201) is fixedly connected with a filter plate (208), the top end of the filter plate (208) is fixedly connected with a plurality of connecting frames (209), the top end of the plurality of connecting frames (209) is fixedly connected with a cross rod (210), one side of the plurality of connecting frames (209) is fixedly connected with a fixed rod (211), the outer wall of the plurality of fixed rods (211) is fixedly connected with a fixed block (212), and the bottom end of the plurality of fixed blocks (212) is fixedly connected with a buffer rod (213).

6. The separator for producing polypropylene fine powder according to claim 1, characterized in that: The anti-blocking mechanism (3) comprises a support plate (301), and the bottom end of the support plate (301) is fixedly connected with a plurality of spring rods (302).

7. A separator for the production of polypropylene fine powder according to claim 6, characterized in that: The bottom end of the two bottom plates (303) is fixedly connected with a connecting plate (305), the bottom end of the connecting plate (305) is fixedly connected with a discharge port (306), and the top end of the connecting plate (305) is connected with the filter plate (208) through a corrugated pipe (304).