CN219377262U - Rice bran pulverizer - Google Patents

Abstract

The utility model provides a rice bran grinder, which comprises a crushing box. Two crushing rollers for crushing rice bran are rotatably connected to the inside of the crushing box on both sides below the feed inlet. A driving mechanism for driving the rotation of the crushing rollers is fixedly installed on one side of the crushing box corresponding to the crushing rollers. A screening mechanism is installed directly below the crushing rollers inside the crushing box, and a lifting mechanism is fixedly installed on the other side of the crushing box at the screening mechanism. The utility model drives two crushing rollers to rotate through the set driving mechanism to crush the rice bran inside the feeding crushing box. The crushed rice bran falls on the set screening mechanism, and the crushed rice bran is screened under the action of the screening mechanism. The rice bran with larger particles can be repeatedly crushed until the particles reach the standard of passing through the screening mechanism, which greatly improves the crushing effect on rice bran.

Description

A rice bran grinder

technical field

The utility model relates to the technical field of rice bran crushing, in particular to a rice bran crushing machine.

Background technique

Rice bran is the hull and seed coat and germ that account for about 10% of the total weight in the process of rice processing into polished rice; chaff refers to the outer shell of rice. The main components in rice bran and rice husk are cellulose and lignin, which are not easy to be digested and absorbed by livestock and poultry. The crude protein contained in it is low, and it is an extended protein with a tight structure, which is difficult to decompose. It is easy to pollute the air environment. Therefore, people pay more and more attention to the recycling of rice bran and rice husk.

With the advancement of science and technology, extensive research has been done on the comprehensive utilization of rice bran and rice husk at home and abroad, and many available ways have been obtained. The active ingredients in rice bran and rice husk are gradually extracted and utilized, but in the process of recycling rice bran and rice husk, rice bran and rice husk need to be crushed.

Most of the traditional rice bran crushing devices are one-time crushing, which is inconvenient to sieve the rice bran, resulting in large fragments of the crushed rice bran, which reduces the crushing effect of the rice bran.

Utility model content

The problem to be solved by the utility model is that the traditional rice bran crushing device is mostly one-time crushing, which is inconvenient to sieve the rice bran, resulting in larger fragments in the crushed rice bran, which reduces the crushing effect of the rice bran.

In order to solve the above-mentioned technical problems, the utility model provides a rice bran grinder, comprising a crushing box, a feed inlet is provided in the middle of the top surface of the crushing box, a feed hopper is fixedly installed at the feed inlet, two crushing rollers for crushing rice bran are rotatably connected to the inside of the crushing box on both sides below the feeding inlet, a drive mechanism for driving the grinding rollers is fixedly installed on one side of the crushing box and corresponding to the crushing rollers, and a screening mechanism is arranged directly below the crushing rollers inside the crushing box, and the other side of the crushing box is fixed at the screening mechanism A lifting mechanism is installed, and the inside of the crushing box is located below the screening mechanism, and an inclined receiving plate is fixedly installed. The outer side of the crushing box is located at the lower end of the receiving plate and has a discharge port, and the outer bottom of the discharge port is fixedly connected with a discharge slide.

Preferably, the driving mechanism includes a rotating shaft fixedly connected to the two crushing rollers, and one end of the rotating shaft passes through the crushing box and is rotationally connected with the crushing box, the driving mechanism also includes a pulley sleeved outside the rotating shaft, the driving mechanism also includes a belt sleeved on the two pulleys, the driving mechanism also includes a drive motor fixedly installed on one of the rotating shafts, and the output shaft of the driving motor is fixedly connected to one of the rotating shafts.

Preferably, the screening mechanism includes two support plates fixedly installed on both sides of the inside of the crushing box, and the two support plates are inclined, the screening mechanism also includes springs fixedly installed at the ends of the two support plates, the screening mechanism also includes a screen fixedly installed on the top of the spring, and the screening mechanism also includes a vibration motor fixedly installed at the bottom of one end of the spring.

Preferably, the lifting mechanism includes a collection box at the end of the screen, and the collection box is connected to the crushing box. The lifting mechanism also includes a feed pipe fixedly installed on the top of the collection box. The lifting mechanism also includes a screw conveying blade that is rotatably installed inside the feeding pipe and the collection box. One end is inclined and directed towards the feed hopper.

Preferably, a door is hinged on the front of the crushing box, transparent glass is embedded in the middle of the door, and the door also includes a handle and a door lock fixedly installed on one side thereof.

Preferably, a control panel is fixedly installed on the front top of the crushing box, and the output ends of the control panel are respectively electrically connected to the input ends of the driving motor, vibration motor, and lifting motor.

Preferably, two deflectors are fixedly connected to the interior of the pulverization box on both sides below the feed inlet, the two deflectors are arranged in an inverted figure-eight shape, and their ends point to the middle of the two pulverization rollers.

Compared with the prior art, the utility model provides a rice bran grinder, which has the following beneficial effects:

The utility model drives two crushing rollers to rotate through the set drive mechanism to crush the rice bran inside the feeding crushing box. The crushed rice bran falls into the set screening mechanism, and the crushed rice bran is screened under the action of the screening mechanism. The rice bran with smaller particles falls on the receiving plate through the screening mechanism and slides out from the discharge slide for collection. The rice bran with larger particles is blocked on the screening mechanism and flows into the lifting mechanism under the action of inclined gravity. Enter the hopper into the inside of the crushing box for crushing, and the rice bran with larger particles can be crushed repeatedly until the particles reach the standard of passing through the screening mechanism, which greatly improves the crushing effect of rice bran.

Description of drawings

Fig. 1 is a schematic diagram of the overall three-dimensional structure of the utility model;

Fig. 2 is a schematic diagram of the internal three-dimensional structure of the utility model;

Fig. 3 is a schematic diagram of the internal sectional structure of the utility model;

Fig. 4 is a schematic diagram of the enlarged structure at A in Fig. 2 of the present utility model.

Among the figure: 1, crushing box; 2, feeding hopper; 3, crushing roller; 4, driving mechanism; 41, rotating shaft; 42, pulley; 43, belt; 44, driving motor; 5, screening mechanism; 51, support plate; 52, spring; 53, screen mesh; Discharge pipe; 9, box door; 10, deflector; 11, receiving plate.

Detailed ways

The utility model relates to a rice bran grinder, as shown in Figures 1-4, comprising a crushing box 1. The middle part of the top surface of the crushing box 1 is provided with a feeding port, and a feeding hopper 2 is fixedly installed at the feeding port. Two crushing rollers 3 for crushing rice bran are rotationally connected to the inside of the crushing box 1 on both sides below the feeding port. The lifting mechanism 8 is fixedly installed at the screening mechanism 5, and the inside of the crushing box 1 is located below the screening mechanism 5. An inclined receiving plate 11 is fixedly installed. The outer side of the crushing box 1 is located at the lower end of the receiving plate 11. A discharge port is provided. Under the action, the crushed rice bran is screened, and the rice bran with smaller particles falls on the receiving plate 11 through the screening mechanism 5, so that the discharge slide plate 6 slides out for collection. The rice bran with larger particles is blocked on the screening mechanism 5, and flows into the lifting mechanism 8 under the action of inclined gravity. After being lifted by the lifting mechanism 8, the rice bran with larger particles falls into the feeding hopper 2 and enters the inside of the crushing box 1 for crushing. The rice bran with larger particles can be crushed repeatedly until the particles reach the standard of passing through the screening mechanism 5, which greatly improves The crushing effect on rice bran.

The driving mechanism 4 includes a rotating shaft 41 fixedly connected to the two crushing rollers 3, and one end of the rotating shaft 41 passes through the crushing box 1 and is rotationally connected with the crushing box 1. The driving mechanism 4 also includes a pulley 42 sleeved on the outside of the rotating shaft 41. The driving mechanism 4 also includes a belt 43 sleeved on the two pulleys 42. The driving mechanism 4 also includes a drive motor 44 fixedly installed on one of the rotating shafts 41, and the output shaft of the driving motor 44 is fixedly connected with one of the rotating shafts 41. When in use, the drive motor 4 is turned on. 4. The drive motor 44 drives one of the rotating shafts 41 to rotate, so that the pulley 42 on it rotates with it, and the other rotating shaft 41 is driven to rotate under the action of the pulley 42 and the belt 43 connected by the transmission, and then drives the two crushing rollers 3 inside the crushing box 1 to rotate to crush the rice bran.

The screening mechanism 5 includes two support plates 51 fixedly installed on both sides inside the crushing box 1, and the two support plates 51 are inclined. The screening mechanism 5 also includes a spring 52 fixedly installed on the ends of the two support plates 51. The screening mechanism 5 also includes a screen cloth 53 fixedly mounted on the top of the spring 52. The screening mechanism 5 also includes a vibration motor 54 fixedly mounted on the bottom of one end of the spring 52. The rice bran falling onto the sieve 53 is sieved so that the rice bran with smaller particles falls through the sieve 53 onto the receiving plate 11 so that the discharge slide 6 slides out for collection, and the rice bran with larger particles is blocked on the sieve 53 and flows into the lifting mechanism 8 under the action of inclined gravity.

Lifting mechanism 8 comprises the collection box 81 at the end of the screen 53, and the collection box 81 communicates with the pulverizing box 1. The lifting mechanism 8 also includes a feed pipe 82 fixedly mounted on the top of the collection box 81. The lifting mechanism 8 also includes a spiral conveying blade 83 that is rotatably mounted on the feed pipe 82 and the collection box 81 inside. 3 rotation, the lifting mechanism 8 also includes a discharge pipe 85 fixedly installed on the top side of the feed pipe 82, and one end of the discharge pipe 85 is arranged obliquely and points to the feed hopper 2. When in use, the lift motor 84 is turned on, and the lift motor 84 drives the screw conveying blade 83 to rotate. The inside of the box 1 is crushed, and the rice bran with larger particles can be repeatedly transported until the particles reach the standard of passing through the screening mechanism 5 .

The front of the crushing box 1 is hinged with a box door 9, and the middle part of the box door 9 is embedded with transparent glass. The box door 9 also includes a handle and a door lock fixedly installed on one side thereof.

A control panel 7 is fixedly installed on the front top of the crushing box 1, and the output ends of the control panel 7 are electrically connected with the input ends of the driving motor 44, the vibration motor 54, and the lifting motor 84 respectively. The control panel 7 is used to control the opening and closing of the driving motor 44, the vibration motor 54, and the lifting motor 84.

The inside of the pulverizing box 1 is located below the feed inlet, and two deflectors 10 are fixedly connected to both sides. The two deflectors 10 are arranged in an inverted splayed shape, and their ends point to the middle of the two crushing rollers 3. Under the action of the two deflectors 10, the rice bran falling into the feeding hopper 2 smoothly flows between the two crushing rollers 3 for crushing.

Working principle and application process of the utility model:

When in use, first turn on the drive motor 44, vibration motor 54, and lifting motor 84 through the control panel 7, and then pour the rice bran into the inside of the crushing box 1 from the feed hopper 2. At this time, the drive motor 44 drives one of the rotating shafts 41 to rotate, so that the pulley 42 on it rotates with it, and the other rotating shaft 41 is driven to rotate under the action of the pulley 42 and the belt 43 connected to the transmission, and then drives the two crushing rollers 3 inside the crushing box 1 to rotate and crush the rice bran. The crushed rice bran falls on the screen 53 At this time, the vibrating motor 54 is turned on to generate vibrations and drives the screen 53 to vibrate together under the action of the spring 52, thereby screening the rice bran falling on the screen 53, so that the rice bran with smaller particles falls through the screen 53 and falls onto the receiving plate 11, so that the discharge slide 6 slides out for collection. The rice bran with larger particles is blocked on the screen 53 and flows into the collection box 81 under the action of inclined gravity. The rice bran inside 81 is lifted under the action of the rotating screw conveying blade 83, and the rice bran lifted to the top of the feeding pipe 82 flows into the inside of the feed hopper 2 and then into the inside of the crushing box 1 for crushing treatment under the action of the discharge pipe 85, and the rice bran with larger particles can be repeatedly conveyed until the particles reach the standard of passing through the screening mechanism 5.

It can be understood that the present utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the present utility model. In addition, the features and embodiments may be modified to adapt a particular situation and material to the teachings of the invention without departing from the spirit and scope of the invention. Therefore, the utility model is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the application belong to the protection scope of the utility model.

Claims (7)

1. A rice bran pulverizer, comprising a pulverizing box (1), the middle part of the top surface of the pulverizing box (1) is provided with a feeding port, and a feeding hopper (2) is fixedly installed at the feeding port, it is characterized in that, the inside of the pulverizing box (1) is positioned at the bottom of the feeding port, and two pulverizing rollers (3) for pulverizing rice bran are rotatably connected, and one side of the pulverizing box (1) is fixedly installed with a driving mechanism (4) for driving the pulverizing roller (3) to rotate at the corresponding place of the pulverizing roller (3), and the pulverizing box (1) The inside of the crushing box (1) is located directly below the crushing roller (3) and is provided with a screening mechanism (5). The other side of the crushing box (1) is located at the screening mechanism (5) and is fixedly equipped with a lifting mechanism (8). The inside of the crushing box (1) is located below the screening mechanism (5). 2. A kind of rice bran grinder according to claim 1, characterized in that: the drive mechanism (4) includes a rotating shaft (41) fixedly connected to the two crushing rollers (3), and one end of the rotating shaft (41) passes through the crushing box (1) and is rotatably connected with the crushing box (1), the driving mechanism (4) also includes a pulley (42) sleeved on the outside of the rotating shaft (41), and the driving mechanism (4) also includes a belt (43) sleeved on the two pulleys ( 42 ). The driving mechanism (4) also includes a driving motor (44) fixedly installed on one of the rotating shafts (41), and the output shaft of the driving motor (44) is fixedly connected to one of the rotating shafts (41). 3. A kind of rice bran grinder according to claim 1, characterized in that: the screening mechanism (5) includes two support plates (51) fixedly installed on both sides of the crushing box (1), and the two support plates (51) are arranged obliquely, the screening mechanism (5) also includes springs (52) fixedly installed on the ends of the two support plates (51), the screening mechanism (5) also includes a screen cloth (53) fixedly installed on the top of the spring (52), and the screening mechanism (5) also includes a fixed installation Vibration motor (54) at spring (52) one end bottom. 4. A kind of rice bran pulverizer according to claim 1, it is characterized in that: described lifting mechanism (8) comprises the collection box (81) at screen cloth (53) end place, and is connected between collection box (81) and pulverization box (1), described lifting mechanism (8) also comprises the feed pipe (82) that is fixedly installed on the top of collection box (81), and described lifting mechanism (8) also includes the spiral conveying blade (83) that is installed in the feed pipe (82) and collection box (81) inside rotatably, The lifting mechanism (8) also includes a lifting motor (84) fixedly installed at the bottom of the collecting box (81), and the output shaft of the lifting motor (84) runs through the collecting box (81) and is fixedly connected with the screw conveying blade (83) for driving the screw conveying blade (83) to rotate. The lifting mechanism (8) also includes a discharge pipe (85) fixedly installed on the top side of the feed pipe (82), and one end of the discharge pipe (85) is arranged obliquely and directed to the feed hopper (2). 5. A kind of rice bran grinder according to claim 1, characterized in that: the front of the crushing box (1) is hinged with a box door (9), the middle part of the box door (9) is embedded with transparent glass, and the box door (9) also includes a handle and a door lock fixedly installed on one side thereof. 6. A kind of rice bran grinder according to claim 1, characterized in that: a control panel (7) is fixedly installed on the front top of the crushing box (1), and the output ends of the control panel (7) are respectively electrically connected to the input ends of the drive motor (44), the vibration motor (54), and the lifting motor (84). 7. A kind of rice bran grinder according to claim 1, characterized in that: the inside of the crushing box (1) is fixedly connected with two deflectors (10) on both sides below the feed inlet, the two deflectors (10) are arranged in an inverted splayed shape, and their ends point to the middle of the two crushing rollers (3).