CN210729696U

CN210729696U - Bran beating machine for grain

Info

Publication number: CN210729696U
Application number: CN201921455947.6U
Authority: CN
Inventors: 余荣春
Original assignee: Guangdong Guanxiang Grain And Oil Industry Co Ltd
Current assignee: Guangdong Guanxiang Grain And Oil Industry Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-06-12
Anticipated expiration: 2029-09-02

Abstract

The utility model relates to the technical field of grain crushing, in particular to a grain chaff-milling machine, which comprises a machine shell, a feeding mechanism, a crushing and screening mechanism and a discharging mechanism which are arranged on the machine shell, the crushing and screening mechanism comprises a crushing box, a screen drum, a motor and a rotating shaft, the crushing box is fixed on the casing, the inlet of the crushing box is communicated with the feed hopper through a feed pipeline, the rotating shaft is rotatably arranged in the crushing box, one end of the rotating shaft is fixedly connected with an output shaft of the motor, a gap is arranged between the outer wall of the screen cylinder and the inner wall of the crushing box, two ends of the screen cylinder are respectively rotatably arranged at two ends of the crushing box, the blades located in the inner cavity of the screen drum are uniformly distributed on the outer wall of the rotating shaft which is coaxially arranged with the screen drum, a scraper blade used for scraping materials adhered to the inner wall of the crushing box is fixedly arranged on the outer wall of the screen drum, a gear meshed with the gear ring for transmission is fixedly arranged on the casing, and a shaft of the gear is in belt transmission with the output shaft of the motor. The utility model discloses have the not easy effect of gluing the chaff in crushing region.

Description

Bran beating machine for grain

Technical Field

The utility model belongs to the technical field of the kibbling technique of cereal and specifically relates to a chaff machine is made to grain.

Background

With the advancement of science and technology, the comprehensive utilization of rice bran and rice husk is widely researched at home and abroad, and a plurality of available ways are obtained. The effective components of the rice bran and the rice hull are gradually extracted and utilized, but the rice bran and the rice hull need to be crushed in the recycling process of the rice bran and the rice hull.

The prior Chinese patent with publication number CN203678444U discloses a hammer mill for rice bran, wherein a crushing component is arranged in an inner cavity of the hammer mill to crush raw materials, and the raw materials are sieved out through an annular screen fixed in the inner cavity of the hammer mill.

The above prior art solutions have the following drawbacks: the annular screen is fixed in the inner cavity, is used for a long time, the screen holes of the screen are easy to be stuck with bran to cause blockage, and a large amount of bran powder can be attached to the inner wall of the machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a grain chaff machine of beating, it has the regional effect of being difficult for gluing the chaff of smashing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a grain bran grinding machine comprises a shell, and a feeding mechanism, a crushing and screening mechanism and a discharging mechanism which are arranged on the shell, wherein the feeding mechanism comprises a feeding hopper and a feeding pipeline; smash screening mechanism is including smashing case, a sieve section of thick bamboo, motor, pivot, smash the case and be fixed in on the casing, the import of smashing the case is linked together through charge-in pipeline and feeder hopper, the pivot is rotated and is set up in smashing the incasement, the output shaft fixed connection of pivot one end and motor, has the clearance between sieve section of thick bamboo outer wall and the crushing incasement wall, and the both ends of a sieve section of thick bamboo rotate respectively and set up in smashing the case both ends, the equipartition has the blade that is located sieve section of thick bamboo inner chamber on the pivot outer wall with the coaxial setting of a sieve section of thick bamboo, the fixed scraper blade that is used for striking off the adhesion on smashing incasement wall on the sieve section of thick bamboo outer wall, the fixed ring gear that is equipped with of sieve section.

By adopting the technical scheme, the feeding mechanism puts the materials into the crushing box, the motor drives the rotating shaft and the screen drum to rotate, and the rotating speed of the screen drum is far less than that of the rotating shaft, so that the materials are crushed and roll inwards when rotating, the crushing efficiency is increased, and the material accumulation and the blockage of the screen drum are reduced; meanwhile, the screen drum is provided with a scraper which can be bonded to the crushing box chaff to be scraped when crushing materials, so that the cleanness of the inner wall of the crushing box is increased.

The utility model discloses further set up to: an obliquely arranged vibration filter screen is communicated below an outlet of the crushing box, a circulating material pipe is arranged on one side of the vibration filter screen, one end of the circulating material pipe is communicated with the feeding pipeline, the other end of the circulating material pipe is covered above the lower end side of the vibration filter screen, and a first material suction fan is arranged in the circulating material pipe; the discharging mechanism comprises a material collecting hopper, a material sucking fan II and a discharging pipeline, the material collecting hopper is positioned below the vibration filter screen, a discharging port of the material collecting hopper is communicated with the discharging pipeline, and the material sucking fan II is arranged in the discharging pipeline.

Through adopting above-mentioned technical scheme, through the secondary filter of vibration filter sieve, will reach the vibrations of standard and fall into the collecting hopper, will not reach standard retrieve again smash add crushing case again with the material that does not smash targets in place and smash, simultaneously, the material that gets into the rubbing crusher is more even for the wind energy of material suction fan one in the circulation material pipe.

The utility model discloses further set up to: the screen drum is formed by splicing a plurality of arc-shaped screen drum units; one side of each screen drum unit is provided with a dovetail groove, the other side of each screen drum unit is provided with a swallow tail wing, and two adjacent screen drum units are connected through the dovetail grooves and the swallow tail wings.

By adopting the technical scheme, the screen drum is formed by connecting a plurality of screen drum units, and a single screen drum unit is convenient to clean and maintain; the sieve drum units are connected by adopting dovetail grooves and dovetail wings, so that the sieve drum units can be assembled and disassembled conveniently.

The utility model discloses further set up to: the inner walls of the two ends of the crushing box are respectively provided with an annular slide rail, the slide rails are rotatably connected with a slide seat coaxial with the slide rails, and the slide seat is provided with a slot matched with the end part of the screen drum.

Through adopting above-mentioned technical scheme, use a slide to connect a sieve section of thick bamboo, make a sieve section of thick bamboo can be at crushing incasement rotation, and simultaneously, the slot on the slide is convenient for sieve section of thick bamboo to be connected fixedly.

The utility model discloses further set up to: the horizontal projection area of the crushing box is smaller than that of the vibrating filter screen.

By adopting the technical scheme, the vibrating filter screen can fully filter finished products falling in the crushing box in the range.

The utility model discloses further set up to: the side wall of the crushing box is bolted with a movable cover plate, and the movable cover plate is fixed with the slide rail on the side through bolts.

Through adopting above-mentioned technical scheme, through the fixed slide rail two of removable cover, convenient to detach or clearance sieve section of thick bamboo unit etc..

The utility model discloses further set up to: the vibrating screen is characterized in that two opposite inclined sliding grooves are formed in the casing, the extension lines of the sliding grooves are intersected with the movable cover plate, and two sides of the screen mesh of the vibrating screen are respectively inserted into the two sliding grooves.

Through adopting above-mentioned technical scheme, set up the spout to the extension line that makes the spout intersects with removable cover, makes the screen cloth of inserting therein and closes easily dismantle.

The utility model discloses further set up to: the low end of the screen is provided with a bran returning groove, the cross section of the bran returning groove is a concave arc, and the end part of the circulating material pipe is positioned above the bran returning groove.

By adopting the technical scheme, the bran returning groove can collect and re-transmit the materials which are not smashed in place, and the accumulation and blockage of the materials are reduced.

To sum up, the utility model discloses a beneficial technological effect does:

1. the screen drum rotates, so that materials roll inwards during crushing when rotating, crushing efficiency is improved, material accumulation is reduced, the screen drum is blocked, the screen drum is provided with a scraper, the materials can be adhered to crushing box chaffs and scraped, and the cleanness of the inner wall of the crushing box is improved;

2. the screen drum unit and the screen cloth of the vibration filter screen are easy to detach and clean, and are convenient to maintain.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the present comminution screening mechanism;

FIG. 4 is a schematic structural view of a screen cylinder unit;

fig. 5 is a schematic diagram of a groove structure of the slide rail.

In the figure, 1, a housing; 11. a chute; 2. a feeding mechanism; 21. a hopper; 22. a feed conduit; 3. a crushing and screening mechanism; 31. a crushing box; 311. a removable cover plate; 32. a screen cylinder; 321. a screen drum unit; 3211. a squeegee; 3212. inserting a block; 3213. a dovetail groove; 3214. a swallow tail; 322. a slide rail; 323. a slide base; 3231. a slot; 3232. a ring gear; 3233. a gear; 3234. a gear shaft; 3235. a pulley; 33. a motor; 34. a rotating shaft; 341. a blade; 35. vibrating the filter screen; 351. vibrating a motor; 352. screening a screen; 353. returning bran to the bran tank; 36. a circulating material pipe; 37. a first material suction fan; 4. a discharging mechanism; 41. a collection hopper; 42. a discharge pipeline; 43. and a second material suction fan.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a grain bran grinding machine, including casing 1 and install feed mechanism 2, crushing screening mechanism 3 and discharge mechanism 4 on casing 1. The feeding mechanism 2 comprises a feeding hopper 21 and a feeding pipeline 22, the feeding hopper 21 is funnel-shaped, the lower end of the feeding hopper is connected with the feeding pipeline 22, and the lower end of the feeding pipeline 22 is obliquely arranged. The crushing and screening mechanism 3 comprises a crushing box 31, a screen drum 32, a motor 33, a rotating shaft 34 and blades 341, the cross section of the crushing box 31 is an upward-convex circular arc, the lower end of the crushing box 31 is welded with the machine shell 1, the lower end of the feeding pipeline 22 extends into the crushing box 31, and the motor 33 is fixed on one side of the crushing box 31 close to the feeding pipeline 22. The output shaft of the motor 33 is fixedly connected with the rotating shaft 34, and the rotating shaft 34 is the same as the axes of the output shafts of the crushing box 31 and the motor 33. The screen drum 32 is located in the crushing box 31, a gap is formed between the outer wall of the screen drum 32 and the inner wall of the crushing box 31, and blades 341 located in the inner cavity of the screen drum 32 are uniformly distributed on the outer wall of the rotating shaft 34 which is coaxial with the screen drum 32.

Referring to fig. 2 and 4, the screen drum 32 is formed by splicing a plurality of sets of screen drum units 321 with circular arc cross sections, the two ends of each screen drum unit 321 are provided with insertion blocks 3212, each insertion block 3212 is an arc-shaped convex body integrally formed with the two ends of each screen drum unit 321, and the thickness of each insertion block 3212 is smaller than that of the two ends of each screen drum unit 321. One side of each screen drum unit 321 is provided with a dovetail groove 3213, the other side is provided with a dovetail wing 3214, and the edges of two adjacent screen drum units 321 are connected through the dovetail grooves 3213 and the dovetail wings 3214. One side welding of a sieve section of thick bamboo unit 321 has the scraper 3211 that is used for striking off the adhesion in smashing the incasement wall material, scraper 3211 perpendicular to its face of weld, scraper 3211 is the same with a sieve section of thick bamboo unit 321 length, and scraper 3211 height is the same with the distance of a sieve section of thick bamboo unit 321 outer wall to smashing the incasement wall 31. The two ends of the screen drum unit 321 are respectively connected 33 with an annular slide rail 322. Meanwhile, a movable cover 311 is bolted to one side of the crushing box 31, and the movable cover 311 is fixed to a slide rail 322 on the side by bolts.

Referring to fig. 4 and 5, the slide rail 322 is coaxial with the rotating shaft 34, the slide rail 322 is rotatably connected with an annular slide seat 323, and a ball is further disposed between the slide rail 322 and the slide seat 323. The sliding base 323 is provided with a slot 3231 matched with the insertion blocks 2312 at two ends of the screen drum 32, and the insertion blocks 2312 of the screen drum unit 321 are fixedly inserted into the slot 3231.

Referring to fig. 2 and 3, a slide rail 322 on one side of the motor 33 is fixed to the frame 1 by bolts, a gear ring 3232 is welded to the outer circumference of a slide base 323 at the position, a gear 3233 meshed with the gear ring 3232 is arranged at the lower end of the slide base 323, two ends of a gear shaft 3234 of the gear 3233 are welded to the case 1 through bearings, a belt wheel 3235 is further arranged on the gear shaft 3234 and an output shaft of the motor 33, and the gear shaft 3234 and the output shaft of the motor 33 are in transmission through a belt on the belt wheel 32.

Referring to fig. 3, a vibrating filter screen 35 is arranged below the screen drum 32, the vibrating filter screen 35 is rectangular and is arranged obliquely, one side of the vibrating filter screen 35 close to the feed hopper 21 is a downward inclined end, and the length of the horizontal projection of the vibrating filter screen 35 is greater than that of the screen drum 32. The vibrating filter screen 35 is provided with a vibrating motor 351 at one side, and the vibrating motor 351 is fixed with the machine shell 1 through bolts. Two opposite inclined sliding grooves 11 are arranged on the casing 1 at two sides of the vibrating filter screen 35, the extension lines of the sliding grooves 11 are intersected with the movable cover plate 311, and two sides of the screen 352 of the vibrating filter screen 35 are respectively inserted into the two sliding grooves 11. The lower end of the screen 352 is provided with a bran returning groove 353, the bran returning groove 353 is welded on the machine shell 1, and the cross section of the bran returning groove 353 is a downward-concave arc. A circulating material pipe 36 is arranged on one side of the vibrating filter screen 35, a first material suction fan 37 is arranged in the circulating material pipe 36, one part of the circulating material pipe 36 is connected to the joint of the feeding pipeline 22 and the crushing box 31, and the other end of the circulating material pipe is arranged above the bran returning groove 353.

Referring to fig. 1, the discharging mechanism 4 includes a collecting hopper 41, a second suction blower 43 and a discharging pipeline 42, the collecting hopper 41 is welded at the lower end of the casing 1, a discharging port of the collecting hopper 41 is communicated with the discharging pipeline 42, and the second suction blower 43 is disposed in the discharging pipeline 42.

The implementation principle of the embodiment is as follows: the feeding mechanism puts the materials into the crushing box 31, the motor 33 drives the rotating shaft 34 and the screen drum 32 to rotate, and the rotating speed of the screen drum 32 is far less than that of the rotating shaft 34, so that the materials roll in the crushing box when rotating, the crushing efficiency is increased, and the material accumulation is reduced to block the screen drum 32; meanwhile, the screen drum 32 is provided with a scraper 3211 which can adhere crushed materials to the bran of the crushing box 31 and scrape the crushed materials off, so that the cleanness of the inner wall of the crushing box 31 is improved; meanwhile, after the secondary filtration of the vibrating filter screen 35, the qualified products are shaken into the collecting hopper 41, and the unqualified products are recycled and crushed again. In addition, the screen cylinder 32 is formed by splicing and inserting the screen cylinder unit 321, the screen 352 of the vibration filter screen 35 is inserted into the chute 11, and the movable cover plate 311 is opened, so that the screen cylinder is easy to replace and disassemble.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a bran machine is beaten to grain, includes casing (1) and installs feed mechanism (2), crushing screening mechanism (3) and discharge mechanism (4) on casing (1), its characterized in that: the feeding mechanism (2) comprises a feeding hopper (21) and a feeding pipeline (22); the crushing and screening mechanism (3) comprises a crushing box (31), a screen drum (32), a motor (33) and a rotating shaft (34), the crushing box (31) is fixed on the casing (1), the inlet of the crushing box (31) is communicated with the feed hopper (21) through a feed pipeline (22), the rotating shaft (34) is rotatably arranged in the crushing box (31), one end of the rotating shaft (34) is fixedly connected with an output shaft of the motor (33), a gap is reserved between the outer wall of the screen drum (32) and the inner wall of the crushing box (31), the two ends of the screen drum (32) are respectively rotatably arranged at the two ends of the crushing box (31), blades (341) positioned in the inner cavity of the screen drum (32) are uniformly distributed on the outer wall of the rotating shaft (34) which is coaxially arranged with the screen drum (32), a scraper (3211) used for scraping materials adhered to the inner wall of the crushing box (31) is fixedly arranged on the outer wall of the screen drum (32), one end of the screen, a gear (3233) which is in meshed transmission with the gear ring (3232) is fixedly arranged on the machine shell (1), and a shaft of the gear (3233) is in transmission with an output shaft of the motor (33) through a belt.

2. The grain bran milling machine according to claim 1, characterized in that: an obliquely arranged vibration filter sieve (35) is communicated below an outlet of the crushing box (31), a circulation material pipe (36) is arranged on one side of the vibration filter sieve (35), one end of the circulation material pipe (36) is communicated with the feeding pipeline (22), the other end of the circulation material pipe is covered above the lower end side of the vibration filter sieve (35), and a first material suction fan (37) is arranged in the circulation material pipe (36); the discharging mechanism (4) comprises a material collecting hopper (41), a second material suction fan (43) and a discharging pipeline (42), the material collecting hopper (41) is located below the vibration filter screen (35), a discharging hole of the material collecting hopper (41) is communicated with the discharging pipeline (42), and the second material suction fan (43) is arranged in the discharging pipeline (42).

3. The grain bran milling machine according to claim 2, characterized in that: the screen drum (32) is formed by splicing a plurality of arc-shaped screen drum units (321); one side of each screen drum unit (321) is provided with a dovetail groove (3213), the other side of each screen drum unit is provided with a swallow tail wing (3214), and two adjacent screen drum units (321) are connected through the dovetail grooves (3213) and the swallow tail wings (3214).

4. The grain bran milling machine according to claim 3, characterized in that: smash case (31) both ends inner wall and all be equipped with annular slide rail (322), slide rail (322) be connected with slide (323), slide (323) be equipped with sieve section of thick bamboo (32) tip assorted slot (3231).

5. The grain bran milling machine according to claim 2, characterized in that: the horizontal projection area of the crushing box (31) is smaller than that of the vibration filter screen (35).

6. The grain bran milling machine according to claim 4, characterized in that: the side wall of the crushing box (31) is bolted with a movable cover plate (311), and the movable cover plate (311) is fixed with a sliding rail (322) through bolts.

7. The grain bran milling machine according to claim 6, characterized in that: the machine shell (1) is provided with two opposite inclined sliding grooves (11), the extension lines of the sliding grooves (11) are intersected with the movable cover plate (311), and two sides of a screen mesh (352) of the vibration filter screen (35) are respectively inserted into the two sliding grooves (11).

8. The grain chaff beating machine according to claim 7, characterized in that: the low end of the screen (352) is provided with a bran returning groove (353), the cross section of the bran returning groove (353) is a concave arc, and the end part of the circulating pipe (36) is positioned above the bran returning groove (353).