Chemical fiber raw material pretreatment sieving device

By using adjustable screening components and a linear motor drive system, the problem of non-adjustable screen diameter in chemical fiber raw material pretreatment devices has been solved, achieving efficient screening and flexible adaptation to different screening needs, thereby improving the screening efficiency of chemical fiber raw materials.

CN224025618UActive Publication Date: 2026-03-24ZHANGJIAGANG MINGZHENQING ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The screen diameter of existing chemical fiber raw material pretreatment screening devices cannot be adjusted, resulting in low screening efficiency and inconvenience in replacing screens.

Method used

An adjustable screening component is used. The screening diameter is changed by rotating the screening component up and down and moving the adjustment slider through the rotating shaft. Combined with the linear motor driving the toothed plate and the gear transmission system, the screening diameter can be flexibly adjusted.

Benefits of technology

It improves the screening efficiency of chemical fiber raw materials, avoids accumulation, adapts to different screening needs, and enhances the practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a chemical fiber raw material pretreatment sieving device, and particularly relates to the technical field of chemical fiber processing, the chemical fiber raw material pretreatment sieving device comprises a sieving box assembly, the top of the sieving box assembly is provided with two sieving assemblies, and the chemical fiber raw material pretreatment sieving device can drive the sieving assemblies to rotate up and down through back-and-forth rotation of a rotating shaft. According to the chemical fiber raw material screening device, the screening assembly is arranged, so that chemical fiber raw materials entering the screening assembly can roll back and forth on the top face of the screening outer plate, the screening efficiency can be improved, and the situation that the screening efficiency is reduced due to the fact that the chemical fiber raw materials are stacked together is avoided; and the screening openings formed in the plate bodies of the screening inner plate and the screening outer plate are changed from complete coincidence to partial coincidence, so that the screening caliber of the screening assembly can be conveniently changed under the condition that parts do not need to be replaced, different screening requirements are met, and the practicability is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chemical fiber processing technology, concretely to a chemical fiber raw material pretreatment screening device. BACKGROUND

[0002] The scientific name of chemical fiber is chemical fiber, which refers to the fiber made of natural or synthetic high molecular material. According to the different sources of raw materials, it can be divided into man-made fiber with natural high molecular material as raw material and synthetic fiber with synthetic high molecular material as raw material. The chemical fiber raw material will be mixed with some impurities in the process of production and transportation. In order to not affect the production of subsequent chemical fiber products, these impurities need to be screened out in advance.

[0003] For example, the existing patent application No. 202121162110. X discloses a kind of chemical fiber raw material pretreatment screening device, including machine body, the top of machine body is fixedly connected with feed inlet, one side of machine body is rotatably connected with small door by hinge, the inner side wall top of machine body is fixedly connected with first partition, first partition divides machine body into storage bin and filter bin, the middle part of first partition is provided with through hole, the inner bottom wall of machine body is fixedly connected with second partition. The chemical fiber raw material pretreatment screening device, through the cooperation of first motor, block, first partition, the flow of raw materials can be controlled in the process of use, so as to prevent the raw materials from being accumulated on the surface of screen mesh and causing blockage. Through the cooperation of second motor, incomplete gear, tooth, spring, screen mesh and sliding baffle, the screen mesh realizes reciprocating movement in horizontal direction in the process of use, so as to improve the screening efficiency of chemical fiber raw material.

[0004] However, the chemical fiber raw material pretreatment screening device still has some shortcomings in actual use, for example, the screen mesh aperture is constant, which cannot be adjusted according to the screening requirements, and only the screen mesh can be replaced, which is more troublesome. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of chemical fiber raw material pretreatment screening device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of chemical fiber raw material pretreatment screening device, including screening box subassembly, the top of screening box subassembly is provided with two screening subassemblies;

[0007] The screening assembly comprises a screening outer plate, an inner groove is formed in the screening outer plate, an adjusting groove is formed in the inner groove at the edge of the front side, a screening inner plate is slidably installed in the inner groove, a threaded rod is rotatably installed in the adjusting groove, an adjusting sliding block is threadedly connected to the rod body of the threaded rod, the back surface of the adjusting sliding block is fixedly connected to the front side of the screening inner plate, a rotating shaft is fixedly inserted into the rear edge of one side surface of the screening outer plate, a gear is fixedly connected to one end of the rotating shaft, a U-shaped baffle is fixedly installed on the top surface of the screening outer plate, a sealing plate is movably inserted into the front part of one side surface of the U-shaped baffle, a fixing screw is threadedly inserted into the front edge of the top surface of the baffle on one side of the U-shaped baffle, and a plurality of screening openings are formed in the plate bodies of the screening outer plate and the screening inner plate.

[0008] Preferably, the screening box assembly comprises a screening box body, and the middle parts of the front and back surfaces of the screening box body are fixedly embedded with supporting plates.

[0009] Preferably, the middle part of the front surface of the supporting plate is fixedly embedded with a linear motor, the sliding block of the linear motor is fixedly installed with a sliding plate, and the two side surfaces of the sliding plate are fixedly installed with toothed plates.

[0010] Preferably, the bottom surfaces of the two sides of the screening box body are formed with discharge openings, and the bottom surfaces of the discharge openings are threadedly connected with sealing covers.

[0011] Preferably, the adjusting sliding block is slidably installed in the adjusting groove, one end of the threaded rod extends to the outside of one side surface of the screening outer plate, and a rotating knob is fixedly installed on the end of the threaded rod.

[0012] Preferably, the two rotating shafts are rotatably installed between the two supporting plates, the two toothed plates correspond to the two gears one by one, the gears are meshingly connected with the toothed plates, and the two screening assemblies are symmetrically arranged.

[0013] Compared with the prior art, the screening device has the following beneficial effects:

[0014] 1. The chemical fiber raw material pretreatment screening device can drive the screening assembly to rotate up and down through the rotation of the rotating shaft, so that the chemical fiber raw material entering the screening assembly can roll back and forth on the top surface of the screening outer plate, thereby improving the screening efficiency and avoiding the situation that the chemical fiber raw material is accumulated together to reduce the screening efficiency.

[0015] 2. The screening inner plate can be moved in the inner groove through the movement of the adjusting sliding block, so that the screening opening of the screening inner plate and the screening opening formed in the plate body of the screening outer plate can be changed from complete coincidence to partial coincidence, thereby conveniently changing the screening opening diameter of the screening assembly without replacing parts, so as to adapt to different screening requirements, and the practicability is higher. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front structure schematic view of the utility model;

[0017] Figure 2 It is the bottom structure schematic view of the utility model;

[0018] Figure 3 It is the three-dimensional structure schematic view of the screening box assembly of the utility model;

[0019] Figure 4 It is the three-dimensional structure schematic view of the screening assembly of the utility model.

[0020] In the drawing: 1, screening box assembly; 101, screening box body; 102, support plate; 103, linear motor; 104, sliding plate; 105, toothed plate; 106, discharge port; 107, cover; 2, screening assembly; 201, screening outer plate; 202, inner groove; 203, adjusting groove; 204, threaded rod; 205, adjusting sliding block; 206, screening inner plate; 207, rotating shaft; 208, gear; 209, U-shaped coaming; 210, sealing plate; 211, fixing screw rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] As Figures 1-4 shown, the utility model provides a technical scheme: including screening box assembly 1, the top of screening box assembly 1 is provided with two screening assemblies 2;

[0023] The screening assembly 2 comprises a screening outer plate 201, an inner groove 202 is formed in the screening outer plate 201, an adjusting groove 203 is formed at the front side edge in the inner groove 202, a screening inner plate 206 is slidingly installed in the inner groove 202, a threaded rod 204 is rotatingly installed in the adjusting groove 203, an adjusting sliding block 205 is threadedly sleeved on the rod body of the threaded rod 204, the back surface of the adjusting sliding block 205 is fixedly connected with the front side of the screening inner plate 206, a rotating shaft 207 is fixedly inserted at the rear edge of one side surface of the screening outer plate 201, a gear 208 is fixedly sleeved on one end of the rotating shaft 207, a U-shaped enclosing plate 209 is fixedly installed on the top surface of the screening outer plate 201, a sealing plate 210 is movably inserted at the front part of one side surface of the U-shaped enclosing plate 209, a fixing screw rod 211 is threadedly inserted at the top surface front edge of the baffle of the U-shaped enclosing plate 209, and the bottom end of the fixing screw rod 211 is threadedly inserted into the top surface side edge of the sealing plate 210.

[0024] In the embodiment, the screening box assembly 1 comprises a screening box body 101, and the middle parts of the front surface and the back surface of the screening box body 101 are fixedly embedded with supporting plates 102.

[0025] The middle part of the front surface of the supporting plate 102 at the front part is fixedly embedded with a linear motor 103, the sliding block of the linear motor 103 is fixedly installed with a sliding plate 104 on the front surface, the two side surfaces of the sliding plate 104 are fixedly installed with toothed plates 105, the two toothed plates 105 correspond to the two gears 208 one by one, the gears 208 are meshingly connected with the toothed plates 105, the reciprocating lifting of the toothed plates 105 can drive the two gears 208 to rotate back and forth, and the back-and-forth rotation of the gears 208 can drive the rotating shaft 207 to rotate back and forth.

[0026] The bottom surfaces of the two sides of the screening box body 101 are formed with discharge ports 106, and the bottom surfaces of the discharge ports 106 are threadedly sleeved with sealing covers 107, so that the chemical fiber raw materials after screening can be conveniently discharged.

[0027] The adjusting sliding block 205 is slidingly installed in the adjusting groove 203, one end of the threaded rod 204 extends to the outside of one side surface of the screening outer plate 201, a rotating knob is fixedly installed on the end of the threaded rod 204 extending out, the threaded rod 204 is manually rotated, the threaded rod 204 is rotated to drive the adjusting sliding block 205 to move, and the adjusting sliding block 205 is moved to drive the screening inner plate 206 to move in the inner groove 202.

[0028] The two rotating shafts 207 are rotatingly installed between the two supporting plates 102, and the two screening assemblies 2 are symmetrically arranged, the two screening assemblies 2 are synchronously rotated back and forth, and the screening efficiency of the chemical fiber raw materials can be improved.

[0029] In use, the chemical fiber raw material is poured into the screening assembly 2, then the linear motor 103 is started, under the action of the linear motor 103, the slide plate 104 reciprocatingly rises and falls, the two toothed plates 105 reciprocatingly rise and fall through the reciprocating rise and fall of the slide plate 104, the two toothed plates 105 reciprocatingly rise and fall can drive the two gears 208 to rotate back and forth, the gears 208 rotating back and forth can drive the rotating shaft 207 to rotate back and forth, the rotating shaft 207 rotating back and forth can drive the screening assembly 2 to rotate up and down, so that the chemical fiber raw material entering the screening assembly 2 can roll back and forth on the top surface of the screening outer plate 201, thereby improving the screening efficiency and avoiding the situation that the chemical fiber raw material is accumulated together to reduce the screening efficiency.

[0030] Meanwhile, the screening caliber of the screening assembly 2 can be adjusted to adapt to different screening requirements, specifically, the threaded rod 204 is manually rotated, the threaded rod 204 rotating can drive the adjusting sliding block 205 to move, the adjusting sliding block 205 moving can drive the screening inner plate 206 to move in the inner groove 202, the screening inner plate 206 and the screening caliber on the plate body of the screening outer plate 201 are changed from complete coincidence to partial coincidence, thereby achieving the purpose of changing the screening caliber.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A screening device for pretreatment of chemical fiber raw materials, comprising a screening box assembly (1), characterized in that... The top of the filter box assembly (1) has two filter components (2); The screening assembly (2) includes a screening outer plate (201), an inner groove (202) is formed inside the screening outer plate (201), an adjustment groove (203) is formed at one edge of the front side of the inner groove (202), a screening inner plate (206) is slidably installed in the inner groove (202), a threaded rod (204) is rotatably installed in the adjustment groove (203), an adjustment slider (205) is threadedly sleeved on the rod body of the threaded rod (204), the back of the adjustment slider (205) is fixedly connected to one side of the front side of the screening inner plate (206), and the rear edge of one side of the screening outer plate (201) is... A rotating shaft (207) is fixedly inserted at one end of the rotating shaft (207), and a gear (208) is fixedly sleeved at one end of the rotating shaft (207). A U-shaped enclosure (209) is fixedly installed on the top surface of the outer screening plate (201). A sealing plate (210) is movably inserted into the front of one side of the U-shaped enclosure (209). A fixing screw (211) is threaded into the front edge of the top surface of the side baffle of the U-shaped enclosure (209). The bottom end of the fixing screw (211) is threaded into the edge of the top surface of the sealing plate (210). Several screening ports are opened on the body of both the outer screening plate (201) and the inner screening plate (206).

2. The chemical fiber raw material pretreatment sieving device according to claim 1, characterized in that, The screening box assembly (1) includes a screening box body (101), and a support plate (102) is fixedly embedded in the middle of the front and back sides of the screening box body (101).

3. The chemical fiber raw material pretreatment sieving device according to claim 2, characterized in that, A linear motor (103) is fixedly embedded in the center of the front of the support plate (102) located at the front. A slide plate (104) is fixedly installed on the front of the slider of the linear motor (103). Toothed plates (105) are fixedly installed on both sides of the slide plate (104).

4. The chemical fiber raw material pretreatment sieving device according to claim 2, characterized in that, The bottom surface of the screening box (101) is provided with discharge ports (106) on both sides, and the bottom opening of the discharge port (106) is threaded with a cap (107).

5. The chemical fiber raw material pretreatment sieving device according to claim 1, characterized in that, The adjusting slider (205) is slidably installed in the adjusting groove (203), and one end of the threaded rod (204) extends to the outer side of one side of the screening outer plate (201), and a knob is fixedly installed on the extended end of the threaded rod (204).

6. The chemical fiber raw material pretreatment sieving device according to claim 3, characterized in that, The two rotating shafts (207) are rotatably installed between the two support plates (102), the two toothed plates (105) correspond one-to-one with the two gears (208), the gears (208) mesh with the toothed plates (105), and the two screening components (2) are symmetrically arranged.

Citation Information

Patent Citations

  • Chemical fiber raw material pretreatment sieving device

    CN215390734U