US 11,963,483 B1
Straw crushing device capable of driving sharpening structure
Xurong Mei, Beijing (CN); Lili Gao, Beijing (CN); Daozhi Gong, Beijing (CN); Weiping Hao, Beijing (CN); Haoru Li, Beijing (CN); Xuemin Hou, Beijing (CN); and Xiaojie Li, Beijing (CN)
Assigned to Institute of Environment and Sustainable Development in Agriculture, CAAS, Beijing (CN)
Filed by Institute of Environment and Sustainable Development in Agriculture, CAAS, Beijing (CN)
Filed on Dec. 20, 2023, as Appl. No. 18/391,050.
Claims priority of application No. 202211670259.8 (CN), filed on Dec. 26, 2022.
Int. Cl. A01F 29/22 (2006.01); A01F 29/02 (2006.01); B02C 18/16 (2006.01); B02C 23/28 (2006.01)
CPC A01F 29/22 (2013.01) [A01F 29/025 (2013.01); B02C 18/16 (2013.01); B02C 23/28 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A straw crushing device capable of driving a sharpening structure, comprising a main housing (1), wherein the main housing (1) is internally provided with a crushing chamber (101) and a suction chamber (103), a feeding nozzle (2) is installed outside the main housing (1), and the feeding nozzle (2) communicates with a feeding end of the crushing chamber (101); a spline transmission shaft (3) is installed inside the main housing (1), and penetrates through the crushing chamber (101) and the suction chamber (103); a driving motor (6) is installed outside the main housing (1), and is connected to the spline transmission shaft (3); a Y-shaped tool rest (4) is installed on the spline transmission shaft (3), and is located in the crushing chamber (101); a crushing blade (5) is installed on the Y-shaped tool rest (4), and is attached to an inner wall of the crushing chamber (101); an impeller (8) is installed on the spline transmission shaft (3), and is located in the suction chamber (103); a guide frame (9) is installed on an outer side of the main housing (1), and a movable assembly plate (10) is installed inside the guide frame (9); a sharpening stone (11) is installed on one side of the movable assembly plate (10), and an edge of the sharpening stone (11) is chamfered; an adjusting nut (13) is installed on the movable assembly plate (10); an outer side of the crushing chamber (101) is provided with a movable opening (1011), and the guide frame (9) is located at the movable opening (1011); three slide holes (901) are arranged in the guide frame (9) in a line, and two guide slide bars (1001) are arranged on one side of the movable assembly plate (10); the guide slide bars (1001) are slidably connected into the sliding holes (901), and the sharpening stone (11) slides in the movable opening (1011); one side of the movable assembly plate (10) is provided with a screw (1002), the screw (1002) penetrates through the slide hole (901), and the screw (1002) is sleeved with a spring B (12); one end of the spring B (12) is in contact with the movable assembly plate (10), and the other end of the spring B (12) is in contact with an inner side of the guide frame (9); the adjusting nut (13) is threaded to the external of the screw (1002), and the adjusting nut (13) is in contact with an outer side of the guide frame (9); the center of the Y-shaped tool rest (4) is provided with a spline movable hole (401), and the Y-shaped tool rest (4) is slidingly connected to the spline transmission shaft (3) by means of the spline movable hole (401); and the spline transmission shaft (3) is sleeved with a spring A (7), the spring A (7) is located in the crushing chamber (101), one end of the spring A (7) is in contact with the Y-shaped tool rest (4), and the other end of the spring A (7) is in contact with the spline transmission shaft (3).