Efficient crushing device for raw materials of plastic woven bags

By designing a screen plate that can vibrate up and down and a secondary crushing roller structure, the problems of poor screening effect and clogging in the existing plastic woven bag raw material crushing device are solved, the crushing efficiency and screening effect are improved, and the service life of the device is extended.

CN223573538UActive Publication Date: 2025-11-21HARBIN HUIJING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423195868.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-21
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

In existing plastic woven bag raw material crushing devices, the screen is tilted and fixed, resulting in poor screening effect, easy clogging, and low crushing efficiency.

Method used

The system employs a vibrating screen plate and a secondary crushing roller structure. After initial crushing by the first crushing roller, the screen plate performs screening. Qualified particles are discharged through the collection hopper, while unqualified particles undergo secondary crushing by the second crushing roller. The design of the spring frame and elliptical plate improves screening and crushing efficiency.

Benefits of technology

It achieves efficient screening and crushing, avoids screen clogging, ensures crushing quality and efficiency, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an efficient crushing device for raw materials of plastic woven bags, which belongs to the field of material crushing devices and comprises a shell, a material injection pipe is communicated with the shell, a second crushing component is mounted on the shell, a screening component is mounted in the shell, two discharge pipes are communicated with the lower end face of the shell, and the lower end face of the shell is provided with a first crushing component and a second crushing component. Two supporting frames are fixedly connected to the shell, and a gathering hopper is fixedly connected to the inner wall of the shell; a first crushing assembly; the first crushing assembly comprises two first crushing rollers. The sieve plate capable of vibrating up and down is arranged, so that crushed raw materials are automatically sieved, the sieving efficiency is improved, the sieving effect is better, meanwhile, the raw materials can be prevented from blocking sieve holes of the sieve plate, the materials with unqualified particle sizes slide to the second crushing roller through the sieve plate for secondary crushing, the particle sizes of the raw materials are uniform, and the service life of the raw materials is prolonged. And the crushing efficiency is improved, and the crushing work quality is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to material crushing device technical field especially relates to a kind of plastic woven bag raw material high-efficiency crushing device. BACKGROUND

[0002] Plastic woven bag is made of polypropylene bag, polyethylene bag according to main material composition;It is divided into bottom sewing bag, edge bottom sewing bag according to sewing method.Currently widely used in a kind of packaging material of fertilizer, chemical product and other articles.Its main production process is to use plastic raw material to be drawn into film, cutting, unidirectional stretching into flat wire, and finished product is obtained by warp knitting.

[0003] Prior art discloses a kind of plastic woven bag raw material high-efficiency crushing device with application number CN201821467850.2, including the device housing installed on rack;The top of the device housing is equipped with feed hopper, bottom is equipped with discharge port;The inner chamber of the device housing upper portion is equipped with at least one crushing mechanism from top to bottom;The lowermost crushing mechanism is equipped with a screen with "inverted V type" below;It also includes screw elevator, the two bottom ends of the screen are connected to the feed inlet of the screw elevator on the both sides of the device housing;The discharge port of the screw elevator is connected with feed hopper.In the utility model, material after screening then enters the feed inlet of screw elevator, is lifted again into feed hopper to carry out secondary crushing, guarantees the effect of crushing;Since screen is "inverted V type", thus material can be quickly screened, and since screw elevator is lifted from the two bottom ends of screen simultaneously, thus crushing efficiency is high.

[0004] The above-mentioned existing water shortage is that the screen is obliquely fixedly installed at the bottom of the shell, and the screen moves on the screen surface only by the gravity of the material itself during screening, so the screening effect is poor, and the screen holes may be blocked by the material, resulting in low screening efficiency and low crushing efficiency. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a kind of plastic woven bag raw material high-efficiency crushing device.

[0006] Embodiments of the utility model provide a kind of plastic woven bag raw material high-efficiency crushing device, comprising:

[0007] The shell is communicated with the material injection pipe, the second crushing assembly is installed on the shell, the screening assembly is installed in the shell, the two discharge pipes are communicated with the lower end surface of the shell, the two support frames are fixedly connected on the shell, and the converging hopper is fixedly connected to the inner wall of the shell.

[0008] The first crushing assembly comprises two first crushing rollers, the two first crushing rollers are rotationally connected to the inner wall of the injection pipe, two first rotation gears are rotationally connected to the side wall of the injection pipe, the two first rotation gears are in mesh with each other, a driving motor is fixedly installed on the side wall of the injection pipe, and the rotating end of the driving motor rotationally penetrates through the injection pipe and is fixedly connected to one of the first crushing rollers.

[0009] Further, the screening assembly comprises two fixed plates fixedly connected to the inner wall of the shell, a lifting groove is formed in each of the two fixed plates, a group of spring frames are fixedly connected to the inner wall of each of the two lifting grooves, a lifting plate is slidingly connected to each of the two lifting grooves, the two groups of spring frames are fixedly connected to the two lifting plates respectively, a screen plate is fixedly connected between the two lifting plates, one side wall of the first rotation gear is fixedly connected with a first sprocket wheel, a second sprocket wheel is rotationally connected to the side wall of the shell, the first sprocket wheel and the second sprocket wheel are in transmission through a chain, a rotating rod is rotationally connected to the inner wall of the shell, two oval plates are fixedly connected to the side wall of the rotating rod, the two oval plates are located below the screen plate, and the rotating rod is fixedly connected to the second sprocket wheel.

[0010] Further, the second crushing assembly comprises two second crushing rollers, the two second crushing rollers are rotationally connected to the inner wall of the shell, two second rotation gears are rotationally connected to the side wall of the shell, the two second rotation gears are in mesh with each other, and a servo motor is fixedly installed on the side wall of the shell.

[0011] Further, anti-skid lines are arranged on the two support frames.

[0012] Further, a protective shell is fixedly connected to the side wall of the shell, and the protective shell is matched with the servo motor.

[0013] Further, a buffer pad layer is arranged on the side wall of each of the two oval plates.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The user pours the raw materials into the injection pipe, the first crushing roller crushes the raw materials, then the raw materials are screened through the screen plate, the materials with qualified particle size pass through the screen plate, and then are collected through the collecting hopper and discharged, realizing automatic screening of the crushed raw materials, improving the screening efficiency, and the screen plate arranged to vibrate up and down has better screening effect and can avoid raw material blockage of the screen holes.

[0016] 2, the material of unqualified particle size is slid to the second crushing roller through the sieve plate, the second crushing roller crushes the raw material again, ensures that the particle size of the raw material is uniform, improves the crushing efficiency, and ensures the crushing work quality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structure three-dimensional view of the plastic woven bag raw material efficient crushing device.

[0018] Fig. 2 It is a structure three-dimensional side view of the plastic woven bag raw material efficient crushing device.

[0019] Fig. 3 It is a three-dimensional sectional view of the plastic woven bag raw material efficient crushing device.

[0020] In the above drawings: 1 housing, 2 injection pipe, 3 discharge pipe, 4 support frame, 5 first crushing roller, 6 first rotating gear, 7 drive motor, 8 convergence hopper, 9 fixed plate, 10 spring frame, 11 lifting plate, 12 sieve plate, 13 first sprocket, 14 second sprocket, 15 chain, 16 oval plate, 17 second crushing roller, 18 second rotating gear, 19 servo motor, 20 protective shell. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model is further explained below in combination with the drawings and examples.

[0022] As shown in the drawings, Figs. 1-3 The utility model discloses a plastic woven bag raw material efficient crushing device, which comprises:

[0023] The housing 1 is communicated with the injection pipe 2, the second crushing assembly is installed on the housing 1, the screening assembly is installed in the housing 1, the two discharge pipes 3 are communicated with the lower end surface of the housing 1, the two support frames 4 are fixedly connected on the housing 1, the two support frames 4 are provided with anti-skid lines, the stability of the device is improved, and the convergence hopper 8 is fixedly connected to the inner wall of the housing 1. The first crushing assembly comprises two first crushing rollers 5, the two first crushing rollers 5 are rotatably connected to the inner wall of the injection pipe 2, the two first rotating gears 6 are rotatably connected to the side wall of the injection pipe 2, the two first rotating gears 6 are meshed with each other, the drive motor 7 is fixedly installed on the side wall of the injection pipe 2, and the rotating end of the drive motor 7 is rotatably penetrated through the injection pipe 2 and fixedly connected to one of the first crushing rollers 5.

[0024] The screening assembly comprises two fixed plates 9 fixedly connected to the inner wall of the shell 1, two lifting grooves are formed in the two fixed plates 9, a group of spring frames 10 are fixedly connected to the inner walls of the two lifting grooves, lifting plates 11 are slidingly connected in the two lifting grooves, the two groups of spring frames 10 are fixedly connected to the two lifting plates 11 respectively, a screen plate 12 is fixedly connected between the two lifting plates 11, a first sprocket 13 is fixedly connected to the side wall of one of the first rotating gears 6, a second sprocket 14 is rotatably connected to the side wall of the shell 1, the first sprocket 13 and the second sprocket 14 are driven through a chain 15, a rotating rod is rotatably connected to the inner wall of the shell 1, two oval plates 16 are fixedly connected to the side wall of the rotating rod, the two oval plates 16 are located below the screen plate 12, the rotating rod is fixedly connected to the second sprocket 14, and buffer pads are arranged on the side walls of the two oval plates 16, so that the oval plates 16 do not continuously impact the screen plate 12, the screen plate 12 is prevented from being damaged, a certain protection effect is achieved, and the service life of the device is prolonged.

[0025] The second crushing assembly comprises two second crushing rollers 17, the two second crushing rollers 17 are rotatably connected to the inner wall of the shell 1, two second rotating gears 18 are rotatably connected to the side wall of the shell 1, the two second rotating gears 18 are meshed with each other, a servo motor 19 is fixedly installed on the side wall of the shell 1, the rotating end of the servo motor 19 is rotatably connected to one of the second crushing rollers 17, a protective shell 20 is fixedly connected to the side wall of the shell 1, the protective shell 20 is matched with the servo motor 19, the protective shell 20 can protect the servo motor 19, and damage of the servo motor 19 caused by external interference is avoided.

[0026] The detailed working process of the utility model is as follows:

[0027] The user places the device in the designated workplace, then the user pours the raw materials into the pouring pipe 2 while driving the motor 7 to start working, the rotating end of the driving motor 7 drives one of the first crushing rollers 5 to rotate, then under the cooperation of the first rotating gear 6, the two first crushing rollers 5 crush the raw materials, the raw materials crushed in turn fall onto the sieve plate 12, when the first rotating gear 6 rotates, the first sprocket 13 starts to rotate, then under the transmission of the chain 15, the second sprocket 14 starts to rotate, so that the rotating rod starts to rotate, the oval plate 16 starts to rotate, the oval plate 16 constantly hits the sieve plate 12, the spring frame 10 in the lifting groove constantly stretches and contracts, the lifting plate 11 constantly lifts in the lifting groove, so that the sieve plate 12 constantly vibrates up and down, the sieve plate 12 can screen the raw materials, the materials with qualified particle size pass through the sieve plate 12, then are collected through the collecting hopper 8 and discharged, realizing automatic screening of the crushed raw materials, improving the screening efficiency, and the sieve plate 12 set to vibrate up and down has better screening effect, and can avoid raw materials from blocking the sieve holes of the sieve plate 12, and the materials with unqualified particle size slide from the sieve plate 12 to the second crushing roller 17, the rotating end of the servo motor 19 drives one of the second crushing rollers 17 to rotate, then under the cooperation of the second rotating gear 18, the two second crushing rollers 17 crush the raw materials again, so that the particle size of the raw materials is uniform, the crushing efficiency is improved, and the crushing work quality is guaranteed.

[0028] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A plastic woven bag raw material high-efficiency crushing device, characterized in that, The utility model relates to a double -breakage and screening device for raw material, including: The shell (1) is communicated with the injection pipe (2) on the shell (1), and the second crushing assembly is installed on the shell (1), and the screening assembly is installed in the shell (1), and the two discharge pipes (3) are communicated on the lower end surface of the shell (1), and the two support frames (4) are fixedly connected on the shell (1), and the converging hopper (8) is fixedly connected on the inner wall of the shell (1); The first crushing assembly includes two first crushing rollers (5), and the two first crushing rollers (5) are rotatably connected to the inner wall of the injection pipe (2), the injection pipe (2) is rotatably connected with two first rotating gears (6) on the side wall, the two first rotating gears (6) are meshed with each other, the injection pipe (2) is fixedly installed with a drive motor (7) on the side wall, and the rotating end of the drive motor (7) is rotatably penetrated through the injection pipe (2) and fixedly connected to one of the first crushing rollers (5).

2. The high-efficiency crushing device for raw materials of plastic woven bags according to claim 1, characterized in that, Wherein: The screening assembly includes two fixed plates (9) fixedly connected to the inner wall of the shell (1), two lifting grooves are formed in the two fixed plates (9), a group of spring frames (10) are fixedly connected to the inner walls of the two lifting grooves, two lifting plates (11) are slidably connected to the two lifting grooves, the two groups of spring frames (10) are fixedly connected to the two lifting plates (11) respectively, a screen plate (12) is fixedly connected between the two lifting plates (11), one side wall of the first rotating gear (6) is fixedly connected with a first sprocket (13), the side wall of the shell (1) is rotatably connected with a second sprocket (14), the first sprocket (13) and the second sprocket (14) are driven by a chain (15) therebetween, a rotating rod is rotatably connected to the inner wall of the shell (1), two elliptical plates (16) are fixedly connected to the side wall of the rotating rod, and the two elliptical plates (16) are located below the screen plate (12).

3. The high-efficiency crushing device for raw materials of plastic woven bags according to claim 1, characterized in that, Wherein: The second crushing assembly includes two second crushing rollers (17), and the two second crushing rollers (17) are rotatably connected to the inner wall of the shell (1), the side wall of the shell (1) is rotatably connected with two second rotating gears (18), the two second rotating gears (18) are meshed with each other, and the side wall of the shell (1) is fixedly installed with a servo motor (19), and the rotating end of the servo motor (19) is rotatably penetrated through the shell (1) and fixedly connected to one of the second crushing rollers (17).

4. The high-efficiency crushing device for raw materials of plastic woven bags according to claim 1, characterized in that, Wherein: The two support frames (4) are provided with anti-skid lines.

5. The high-efficiency crushing device for raw materials of plastic woven bags according to claim 3, characterized in that, Wherein: The shell (1) is fixedly connected with a protective shell (20), and the protective shell (20) is matched with the servo motor (19).

6. The high-efficiency crushing device for raw materials of plastic woven bags according to claim 2, characterized in that, Wherein: The side wall of the two elliptical plates (16) is provided with a buffer pad.

Citation Information

Patent Citations

  • Efficient crushing device for plastic woven bag raw materials

    CN208852942U