CN-118901419-B - Wheat straw pulverizer

Abstract

The invention belongs to the technical field of straw crushing, and particularly relates to a wheat straw crusher, which comprises a box body, wherein a feed inlet is formed in the upper end of the box body, a discharge outlet is formed in the bottom of the box body, a crushing mechanism is arranged in the middle of the box body, the crushing mechanism comprises two rotating rollers rotationally assembled in the middle of the box body, the two rotating rollers are horizontally distributed, the rotating rollers are provided with a plurality of evenly distributed cutting blades, discs are connected with each other through the box body at the front end and the rear end of each rotating roller, a plurality of circumferentially distributed transmission teeth are arranged on the side walls of the two discs at the front side, a first gear is rotationally assembled at the front side of the box body and meshed with one of the transmission teeth, a motor is arranged at the front side of the box body and in transmission connection with the first gear, and the rotating rollers are automatically driven by utilizing the weight change of a receiving box to clean by a scraper.

Inventors

• LI YIBO

Assignees

• 中国科学院地理科学与资源研究所

Dates

Publication Date

20260508

Application Date

20240912

Claims (3)

1. 1. The wheat straw pulverizer comprises a case body, wherein a feed inlet is formed in the upper end of the case body, and a discharge outlet is formed in the bottom of the case body; The crushing mechanism comprises two rotating rollers rotatably assembled in the middle of the box body, the two rotating rollers are horizontally distributed, the rotating rollers are provided with a plurality of evenly distributed cutting blades, the front end and the rear end of each rotating roller penetrate through the box body and are connected with discs, the side walls of the discs on the front side are provided with a plurality of circumferentially distributed transmission teeth, the front side of the box body is rotatably provided with a first gear, the first gear is meshed with one of the transmission teeth, the first gear is meshed with the other transmission tooth through an idler pulley, the front side of the box body is provided with a motor, and an output shaft of the motor is in transmission connection with the first gear; the rotating roller is provided with a cleaning assembly, the cleaning assembly comprises a plurality of through holes formed in the disc, sliding rods are slidably arranged in the through holes, one end of each sliding rod extending into the box body is connected with a scraper, the scraper is positioned between two cutting blades and is abutted to the rotating roller, the other ends of the sliding rods are connected with movable discs together, and the movable discs are provided with moving members; The lower side is equipped with the material subassembly in the box, the material subassembly is including sliding locating the inside material receiving box of box, the box left and right sides is fixed with and is located the fixed strip of material receiving box upside, the fixed strip is made by iron material, material receiving box both sides upper end is fixed with the montant, the montant upper end slides and runs through the fixed strip is connected with the stopper, be equipped with first spring between stopper and the fixed strip, material receiving box upper end is fixed with and is located the magnet of fixed strip below, material receiving box bottom is equipped with the baffle through the pivot rotation, the baffle is equipped with the upset subassembly; The movable member comprises a hinge rod hinged to the side wall of the receiving box, a movement groove matched with the hinge rod is formed in the box body, the movable disc is rotatably provided with a connecting seat, and the upper end of the hinge rod is hinged to the lower side of the connecting seat.
2. 2. The wheat straw pulverizer of claim 1, wherein the overturning assembly comprises a cavity formed in the bottom of the receiving box, the rotating shaft stretches into the cavity to be connected with a second gear, a rack meshed with the second gear is slidably arranged in the cavity, a second spring is arranged between the rack and the side wall of the cavity, the end part of the rack is connected with a push rod, a boss is arranged on the side wall of the box, an inclined surface is formed in the bottom of the boss, and the push rod slidably stretches out of the cavity to be abutted against the boss.
3. 3. The wheat straw pulverizer as set forth in claim 1, wherein four supporting feet in rectangular distribution are arranged at the bottom of the case.

Description

Wheat straw pulverizer Technical Field The invention belongs to the technical field of straw crushing, and particularly relates to a wheat straw crusher. Background When the wheat straw is processed, the wheat straw is needed to be smashed in advance so as to facilitate subsequent further processing, the straw pulverizer is a machine device for processing materials such as straw and plant branches, the materials such as straw are placed into the pulverizer, and the blades are driven to rotate through the rotating rollers to pulverize the materials into fine particles so as to facilitate subsequent utilization or processing. For the straw with higher lower humidity, the flexibility is stronger, and the straw is easy to wind on a rotating roller of a pulverizer when being pulverized, so that the straw is inconvenient to clean in the later period. Disclosure of Invention The invention aims to provide a wheat straw pulverizer which is used for solving the problems in the background technology. In order to achieve the technical purpose, the invention adopts the following technical scheme: the wheat straw pulverizer comprises a case body, wherein a feed inlet is formed in the upper end of the case body, a discharge outlet is formed in the bottom of the case body, and a crushing mechanism is arranged in the middle of the case body; The crushing mechanism comprises two rotating rollers rotatably assembled in the middle of the box body, the two rotating rollers are horizontally distributed, the rotating rollers are provided with a plurality of evenly distributed cutting blades, the front end and the rear end of each rotating roller penetrate through the box body and are connected with discs, the side walls of the discs on the front side are provided with a plurality of circumferentially distributed transmission teeth, the front side of the box body is rotatably provided with a first gear, the first gear is meshed with one of the transmission teeth, the first gear is meshed with the other transmission tooth through an idler pulley, the front side of the box body is provided with a motor, and an output shaft of the motor is in transmission connection with the first gear; The driving roller is provided with a cleaning assembly, the cleaning assembly comprises a plurality of through holes formed in the disc, a plurality of through holes are formed in the through holes in a sliding mode, sliding rods extend into one end of the box body and are connected with scrapers, the scrapers are located between the two cutting blades and are abutted to the driving roller, a plurality of movable discs are connected with the other ends of the sliding rods together, and the movable discs are provided with moving members. The utility model discloses a box, including box, fixed strip, baffle, fixed strip, stopper, spring, the box is equipped with the lower side in the box, the lower side is equipped with connects the material subassembly in the box, connect the material subassembly to locate including sliding the inside material receiving box of box, the box left and right sides is fixed with and is located connect the fixed strip of material box upside, the fixed strip is made by the iron material, it is fixed with the montant to connect material box both sides upper end, the montant upper end is run through in the sliding of montant upper end fixed strip is connected with the stopper, the stopper with be equipped with first spring between the fixed strip, it is fixed with and be located to connect the material box upper end magnet of fixed strip below, it is equipped with the baffle to connect the material box bottom to rotate through the pivot, the baffle is equipped with the upset subassembly. The overturning assembly comprises a cavity which is formed in the bottom of the material receiving box, the rotating shaft stretches into the cavity and is connected with a second gear, a rack which is meshed with the second gear is slidably assembled in the cavity, a second spring is arranged between the rack and the side wall of the cavity, the end part of the rack is connected with a push rod, a boss is arranged on the side wall of the box, an inclined surface is formed in the bottom of the boss, and the push rod stretches out in a sliding mode and is abutted to the boss. The movable member comprises a hinge rod hinged to the side wall of the receiving box, a movement groove matched with the hinge rod is formed in the box body, the movable disc is rotatably provided with a connecting seat, and the upper end of the hinge rod is hinged to the lower side of the connecting seat. Four supporting feet which are rectangular in distribution are arranged at the bottom of the box body. According to the invention, by means of the two rotating rollers which rotate relatively and the cutting blades which are uniformly distributed on the rotating rollers, the wheat straw is efficiently crushed, the cleaning assembly is designed, the rotating rollers are