Raw material crushing and sieving device

Abstract

The utility model discloses a raw material smashing and sieving device which comprises a box body, a feeding pipe and a side box, the feeding pipe is fixedly connected to the top of the box body and communicated with the interior of the box body, and the side box is fixedly connected to the outer side wall of the box body and communicated with the interior of the box body. The utility model belongs to the technical field of raw material processing, and particularly relates to a raw material crushing and screening device which solves the problems that the raw material crushing effect is poor, the crushing effect is not uniform enough, much waste is caused during screening, and the processing efficiency of raw materials is influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of raw material processing, and in particular relates to a raw material crushing and screening device. Background Art

[0002] Raw materials are materials that have not been processed or manufactured. Materials used for further processing are raw materials. They can be the products of other processing processes or the products that grow or form naturally.

[0003] When the existing crushing and screening devices for raw materials are used, the crushing effect of the raw materials is poor and the crushing effect is not uniform, resulting in a lot of waste during screening, affecting the processing efficiency of the raw materials. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the pulverizing effect of the raw materials is poor, so that the pulverizing effect is not uniform, resulting in more waste during screening, and affecting the processing efficiency of the raw materials.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a raw material crushing and screening device, including a box body, a feed pipe and a side box, the feed pipe is fixedly connected to the top of the box body and communicates with the interior of the box body, the side box is fixedly connected to the outer side wall of the box body and communicates with the interior of the box body, and also includes a crushing component, a screening component and a reflux component, the crushing component is arranged inside the feed pipe, the screening component is arranged inside the box body, and the reflux component is arranged inside the side box, the raw material is first crushed by the crushing component, and after the raw material falls, the crushed raw material is screened by the screening component, and unqualified raw materials enter the side box and enter the feed pipe again through the reflux component for secondary crushing.

[0006] Furthermore, the crushing assembly includes a rotating shaft, a crushing roller, a worm gear and a servo motor, one end of the rotating shaft is rotatably connected to the inner wall of the feed pipe, the other end of the rotating shaft passes through the other side of the feed pipe and is rotatably connected to the feed pipe, the rotating shaft is symmetrically arranged, the crushing roller is fixedly connected to the rotating shaft, the worm gear is fixedly connected to one end of the rotating shaft, the servo motor is fixedly installed on the outer wall of the feed pipe, the output end of the servo motor is fixedly connected to the output shaft, both ends of the output shaft are provided with threads, the threads are oppositely arranged, and the threads and the worm wheel are meshed to form a worm gear.

[0007] Furthermore, the screening assembly includes a sieve plate, a fixed column and a spring, the fixed column is fixedly connected to the top wall of the box body, one end of the sieve plate is movably connected between the inner walls of the box body, the other end of the sieve plate passes through the fixed column and is slidably set on the fixed column, the spring is sleeved on the outer wall of the fixed column, the spring is fixedly connected to the bottom wall of the sieve plate and the outer wall of the fixed column, a vibration motor is fixedly installed on the bottom wall of the sieve plate, the vibration motors are symmetrically arranged, and the top wall of the sieve plate is provided with a blocking ring, and the blocking ring is arranged on the periphery of the fixed column.

[0008] Furthermore, the reflux assembly includes a stepper motor, a conveying paddle, a vertical cylinder and a reflux pipe, the stepper motor is fixedly mounted on the bottom wall of the side box, the outer side wall of the box body is fixedly connected with a fixed disk, the vertical cylinder passes through the fixed disk and is fixedly connected to the fixed disk, the conveying paddle is fixedly connected to the output end of the stepper motor, the conveying paddle is arranged inside the vertical cylinder, and the reflux pipe is fixedly connected to the outer side wall of the vertical cylinder and communicates with the interior of the vertical cylinder.

[0009] Furthermore, the reflux pipe is arranged in an inclined manner, and one end of the reflux pipe away from the vertical cylinder is arranged above the feed pipe.

[0010] Furthermore, the bottom of one side of the box body is opened, and a collection box is provided at the bottom of the box body.

[0011] After adopting the above structure, the utility model has the following beneficial effects: A raw material crushing and screening device proposed by the utility model:

[0012] (1) The meshing transmission of the symmetrically arranged threads on the output shaft and the worm gear can make the two sets of crushing rollers rotate simultaneously to crush the raw materials;

[0013] (2) After the crushed raw materials fall, the operation of the vibration motor can make the screen plate continuously pressurize the spring, causing the screen plate to continuously vibrate up and down, thereby screening the crushed raw materials;

[0014] (3) During the vibration process, unqualified raw materials will enter the side box. The continuous rotation of the conveying blades can lift the materials and allow them to enter the feed pipe again through the reflux pipe for secondary crushing.

[0015] (4) The uniformity of material crushing is improved, the waste of raw materials during screening is avoided, and the processing efficiency of raw materials is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0017] Figure 1This is a schematic diagram of the overall structure of a raw material crushing and screening device proposed by the utility model;

[0018] Figure 2 This is a half-section view of a raw material crushing and screening device proposed by the utility model;

[0019] Figure 3 This is a side view of a raw material crushing and screening device proposed by the utility model;

[0020] Figure 4 This is a cross-sectional schematic diagram of a raw material crushing and screening device proposed by the utility model.

[0021] In the attached drawings: 1. Box body, 2. Feed pipe, 3. Side box, 4. Rotating shaft, 5. Crushing roller, 6. Worm gear, 7. Servo motor, 8. Output shaft, 9. Screen plate, 10. Fixed column, 11. Spring, 12. Vibration motor, 13. Blocking ring, 14. Stepping motor, 15. Conveying paddle, 16. Vertical cylinder, 17. Reflux pipe, 18. Fixed plate, 19. Collecting box. DETAILED DESCRIPTION

[0022] like Figure 1-2 As shown, a raw material crushing and screening device includes a box body 1, a feed pipe 2 and a side box 3. The feed pipe 2 is fixedly connected to the top of the box body 1 and communicates with the interior of the box body 1. The side box 3 is fixedly connected to the outer wall of the box body 1 and communicates with the interior of the box body 1. It also includes a crushing component, a screening component and a reflux component. The crushing component is arranged inside the feed pipe 2, the screening component is arranged inside the box body 1, and the reflux component is arranged inside the side box 3.

[0023] like Figure 1-2 As shown, in order to crush the raw materials, the crushing assembly includes a rotating shaft 4, a crushing roller 5, a worm gear 6 and a servo motor 7. One end of the rotating shaft 4 is rotatably connected to the inner wall of the feed pipe 2, and the other end of the rotating shaft 4 passes through the other side of the feed pipe 2 and is rotatably connected to the feed pipe 2. The rotating shaft 4 is symmetrically arranged, the crushing roller 5 is fixedly connected to the rotating shaft 4, the worm gear 6 is fixedly connected to one end of the rotating shaft 4, and the servo motor 7 is fixedly installed on the outer wall of the feed pipe 2. The output end of the servo motor 7 is fixedly connected to the output shaft 8. Both ends of the output shaft 8 are provided with threads, and the threads are oppositely arranged. The threads and the worm wheel 6 are meshed to form a worm wheel 6.

[0024] like Figure 1-4As shown, in order to efficiently screen the raw materials after crushing, the screening component includes a sieve plate 9, a fixed column 10 and a spring 11. The fixed column 10 is fixedly connected to the top wall of the box body 1, one end of the sieve plate 9 is movably connected between the inner walls of the box body 1, and the other end of the sieve plate 9 passes through the fixed column 10 and is slidably set on the fixed column 10. The spring 11 is sleeved on the outer wall of the fixed column 10, and the spring 11 is fixedly connected to the bottom wall of the sieve plate 9 and the outer wall of the fixed column 10. A vibration motor 12 is fixedly installed on the bottom wall of the sieve plate 9, and the vibration motor 12 is symmetrically arranged. The top wall of the sieve plate 9 is provided with a barrier ring 13, and the barrier ring 13 is arranged on the periphery of the fixed column 10.

[0025] like Figure 1-2 As shown, in order to be able to crush unqualified raw materials again, improve the uniformity of crushing, and reduce the waste generated during screening, the reflux assembly includes a stepper motor 14, a conveying blade 15, a vertical cylinder 16 and a reflux pipe 17. The stepper motor 14 is fixedly mounted on the bottom wall of the side box 3, and the outer wall of the box body 1 is fixedly connected to a fixed disk 18. The vertical cylinder 16 penetrates the fixed disk 18 and is fixedly connected to the fixed disk 18. The conveying blade 15 is fixedly connected to the output end of the stepper motor 14, and the conveying blade 15 is arranged inside the vertical cylinder 16. The reflux pipe 17 is fixedly connected to the outer wall of the vertical cylinder 16 and communicates with the inside of the vertical cylinder 16.

[0026] The reflux pipe 17 is arranged obliquely, and one end of the reflux pipe 17 away from the vertical tube 16 is arranged above the feed pipe 2 . The bottom of one side of the box body 1 is opened, and a collecting box 19 is arranged at the bottom of the box body 1 .

[0027] When in use, the raw material to be processed is added into the feed pipe 2 and the servo motor 7 is turned on. The servo motor 7 drives the output shaft 8 to rotate at a constant speed. The symmetrically arranged threads on the output shaft 8 drive the worm gear 6 and the rotating shaft 4 meshing therewith to rotate at a constant speed, so that the two sets of crushing rollers 5 can rotate relative to each other at the same time to crush the raw material. The crushed raw material falls on the screen plate 9, and the vibration motor 12 is turned on. The operation of the vibration motor 12 can make the screen plate 9 continuously apply pressure to the spring 11, so that the screen plate 9 continuously vibrates up and down, and the crushed raw material is screened. During the screening process, the barrier ring 13 can prevent the raw material from The qualified raw materials fall through the connection between the sieve plate 9 and the fixed column 10, and the qualified raw materials fall after passing through the sieve plate 9 and enter the collecting box 19 for centralized collection. The unqualified raw materials in the screening will enter the inside of the side box 3 under the action of the inclined sieve plate 9, and then the stepper motor 14 is turned on, and the stepper motor 14 drives the conveying blades 15 to rotate continuously at a uniform speed, so as to lift the unqualified raw materials and make the raw materials enter the feeding pipe 2 again through the reflux pipe 17 for secondary crushing. The above operation improves the uniform crushing effect of the material, avoids the waste of raw materials during screening, and improves the processing efficiency of the raw materials.

[0028] Although the embodiments of the utility model have been shown and described, it is 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 utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A raw material crushing and screening device, comprising a box, a feed pipe and a side box, wherein the feed pipe is fixedly connected to the top of the box and communicates with the inside of the box, and the side box is fixedly connected to the outer side wall of the box and communicates with the inside of the box, characterized in that: It also includes a crushing component, a screening component and a reflux component. The crushing component is arranged inside the feed pipe, the screening component is arranged inside the box, and the reflux component is arranged inside the side box. The raw materials are first crushed by the crushing component, and after the raw materials fall, the crushed raw materials are screened by the screening component. Unqualified raw materials enter the side box and enter the feed pipe again through the reflux component for secondary crushing.

2. A raw material crushing and screening device according to claim 1, characterized in that: The crushing assembly includes a rotating shaft, a crushing roller, a worm gear and a servo motor, one end of the rotating shaft is rotatably connected to the inner wall of the feed pipe, the other end of the rotating shaft passes through the other side of the feed pipe and is rotatably connected to the feed pipe, the rotating shaft is symmetrically arranged, the crushing roller is fixedly connected to the rotating shaft, the worm gear is fixedly connected to one end of the rotating shaft, the servo motor is fixedly installed on the outer wall of the feed pipe, the output end of the servo motor is fixedly connected to the output shaft, both ends of the output shaft are provided with threads, the threads are oppositely arranged, and the threads and the worm wheel are meshed to form a worm gear.

3. A raw material crushing and screening device according to claim 2, characterized in that: The screening assembly includes a sieve plate, a fixed column and a spring, the fixed column is fixedly connected to the top wall of the box body, one end of the sieve plate is movably connected between the inner walls of the box body, the other end of the sieve plate passes through the fixed column and is slidably set on the fixed column, the spring is sleeved on the outer wall of the fixed column, the spring is fixedly connected to the bottom wall of the sieve plate and the outer wall of the fixed column, a vibration motor is fixedly installed on the bottom wall of the sieve plate, the vibration motors are symmetrically arranged, and the top wall of the sieve plate is provided with a blocking ring, and the blocking ring is arranged on the periphery of the fixed column.

4. A raw material crushing and screening device according to claim 3, characterized in that: The reflux assembly includes a stepper motor, a conveying paddle, a vertical cylinder and a reflux pipe. The stepper motor is fixedly mounted on the bottom wall of the side box. The outer side wall of the box body is fixedly connected with a fixed disk. The vertical cylinder passes through the fixed disk and is fixedly connected to the fixed disk. The conveying paddle is fixedly connected to the output end of the stepper motor. The conveying paddle is arranged inside the vertical cylinder. The reflux pipe is fixedly connected to the outer side wall of the vertical cylinder and communicates with the inside of the vertical cylinder.

5. A raw material crushing and screening device according to claim 4, characterized in that: The reflux pipe is arranged in an inclined manner, and one end of the reflux pipe away from the vertical cylinder is arranged above the feed pipe.

6. A raw material crushing and screening device according to claim 5, characterized in that: The bottom of one side of the box body is open, and a collection box is provided at the bottom of the box body.

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