CN212324797U

CN212324797U - Pre-cutting device of straw granulator

Info

Publication number: CN212324797U
Application number: CN202020912511.1U
Authority: CN
Inventors: 肖茂华; 李亦哲; 张亨通; 武娟娟; 万福健; 曹彪彪; 赵霖; 葛艳艳
Original assignee: Nanjing Agricultural University
Current assignee: Nanjing Agricultural University
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-12
Anticipated expiration: 2030-05-26

Abstract

A pre-cutting device for a straw granulator, belonging to the technical field of agricultural production machinery, is characterized in that it comprises a V-belt A, a V-belt, a bracket, a collecting chamber box, a synchronous belt, a synchronous pulley, a DC motor, and a V-belt pulley B. Shaft, mounting plate, double-disc strip-shaped one-way rotary cutter, key, bolt, end cap screw, bearing end cap, bearing through cap, through cap screw, screw, pre-cutting device of straw granulator to pre-treat crops Cutting, so that the large section of straw is cut into smaller straw fragments, which not only reduces the power consumption and harvesting loss of the crushing chamber, but also prevents the machine from jamming caused by the blockage of the large section of straw. The one-way rotary cutter has large cutting range, stable operation and high precision, which can effectively improve work efficiency, reduce machine loss, improve the harvesting conditions of the granulator, and improve economic benefits.

Description

Pre-cutting device of straw granulator

Technical Field

The utility model relates to a cutting device, concretely relates to straw granulator cutting device in advance belongs to agricultural production machinery technical field.

Background

At present, the cutters of a granulator mainly comprise a reciprocating cutter and a rotating cutter, although the reciprocating cutter has large cutting amplitude, the movement speed of a cutting knife is greatly different between two end points and a middle position in the movement process, when the average speed of the cutting knife is too low, normal cutting cannot be carried out, and when the average speed is too high, the inertia force of the cutter is increased, and the adverse phenomena of machine vibration, part abrasion and the like can be generated. Meanwhile, the average speed of the cutting knife is properly matched with the advancing speed of the whole machine, if the advancing speed of the whole machine is too high, the blank area of cutting is increased, and if the advancing speed is too low, the re-cutting area is increased, so that the moving operation of the straw granulator is greatly limited. The rotary cutter has high cutting precision, small abrasion to a machine, small cutting amplitude, too much manpower and material resources and working time consumed by a straw field and is not suitable for large-area operation.

To the above problems, it is urgently needed to develop a pre-cutting device installed on a straw granulator, so that the working efficiency is improved, the machine loss is reduced, the harvesting working condition of the granulator is improved, and the economic benefit is improved.

SUMMERY OF THE UTILITY MODEL

Based on in the present agricultural production machinery technical field, the room operating power consumption is serious is smashed to the straw granulator, thereby the straw of big section can block up the machine and cause the machine to appear a series of problems such as the dead trouble of card and cutterbar cutting range is little, the operation is not steady, the utility model aims to provide a straw granulator is cutting device in advance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a straw granulator is cutting device in advance which characterized in that: the device comprises a V belt wheel A, V belt, a bracket, a collection chamber box body, a synchronous belt wheel, a direct current motor, a V belt wheel B, a shaft, a mounting plate, a double-disc belt-shaped unidirectional rotary cutter, a key, a bolt, an end cover screw, a bearing end cover, a bearing transparent cover, a transparent cover screw and a screw;

8 threaded holes are uniformly distributed in the base of the direct current motor and are fixed at the bottom of the collection chamber box body through bolts, a key groove is reserved on an output shaft of the direct current motor, a synchronous belt wheel is fixed on the output shaft of the direct current motor through a key, and the synchronous belt wheel drives a synchronous belt to rotate to transmit power to a shaft;

the number of the supports is 2, the rear end of each support is welded at the bottom of the collection chamber box body, the shaft is connected with the front end of each support through a rolling bearing, 6 threaded holes are uniformly distributed in a bearing end cover, the shaft is mounted on one side of each support through end cover screws, 6 threaded holes are uniformly distributed in a bearing through cover screw, the shaft is mounted on the other side of each support through a through cover screw, a key groove is reserved in the shaft, the V belt wheel B is fixed on the shaft through a key, the shaft rotates to transmit power to the V belt wheel B, the V belt wheel B continuously transmits the power to the V belt, and the V belt drives the V belt wheel;

20 screw holes of equipartition on the banded single direction rotary cutter of bifilar, 20 screw through-holes of equipartition on the mounting panel, the banded single direction rotary cutter of bifilar and mounting panel pass through the screw connection, and the mounting panel is installed on the V area, and banded single direction rotary cutter of bifilar and mounting panel rotate along with the V area, and the banding single direction rotary cutter of bifilar realizes the cutting to the straw.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the double-disk belt-shaped unidirectional rotary cutter has good cutting performance and high cutting precision, can effectively reduce the damage of a blade, prolong the service life of a cutter, increase the cutting precision on the basis of meeting a certain operation area, reduce the loss of a machine and improve the operation quality;

(2) the direct current motor is used as power, so that the direct current motor is more environment-friendly compared with the traditional gasoline or diesel oil driving;

(3) the V-belt transmission device is simple in structure, has good elasticity, can buffer and absorb vibration, is stable in transmission, low in noise and capable of transmitting larger power.

Drawings

FIG. 1 is a schematic top view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the overall structure of the present invention;

FIG. 3 is a schematic front view of the overall structure of the present invention;

FIG. 4 is a schematic view of the connection of the pre-cutting device with the straw pelletizer;

FIG. 5 is a schematic diagram of a cutter design of a double-disk belt-shaped unidirectional rotary cutter;

number designation in the figures: 1-V belt wheel A; 2-V band; 3-a scaffold; 4-collecting chamber box body; 5-synchronous belt; 6-synchronous pulley; 7-a direct current motor; 8-V belt wheel B; 9-axis; 10-mounting a plate; 11-double-disk belt-shaped unidirectional rotary cutter; a 12-bond; 13-a bolt; 14-end cap screws; 15-bearing end cap; 16-bearing through cover; 17-through cap screws; 18-screws.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a straw granulator is cutting device in advance which characterized in that: the device comprises a V belt wheel A1, a V belt 2, a bracket 3, a collection chamber box 4, a synchronous belt 5, a synchronous belt wheel 6, a direct current motor 7, a V belt wheel B8, a shaft 9, an installation plate 10, a double-disc belt-shaped unidirectional rotary cutter 11, a key 12, a bolt 13, an end cover screw 14, a bearing end cover 15, a bearing transparent cover 16, a transparent cover screw 17 and a screw 18;

8 threaded holes are uniformly distributed in the base of the direct current motor 7 and are fixed at the bottom of the collection chamber box body 4 through bolts 13, a key groove is reserved on the output shaft of the direct current motor 7, the synchronous belt pulley 6 is fixed on the output shaft of the direct current motor 7 through a key, and the synchronous belt pulley 6 drives the synchronous belt 5 to rotate so as to transmit power to the shaft 9;

the number of the supports 3 is 2, the rear end of each support 3 is welded at the bottom of the collection chamber box body 4, the shaft 9 is connected with the front end of each support 3 through a rolling bearing, 6 threaded holes are uniformly distributed in a bearing end cover 15, the bearing end cover is mounted on one side of each support 3 through an end cover screw 14, 6 threaded holes are uniformly distributed in a bearing transparent cover 16, the bearing transparent cover is mounted on the other side of each support 3 through a transparent cover screw 17, a key groove is reserved in each shaft 9, the V belt wheel B8 is fixed on each shaft 9 through a key 12, the shaft 9 rotates to transmit power to the V belt wheel B8, the V belt wheel B8 continues to transmit the power to the V belt 2, and the V belt 2 drives;

20 screw holes of equipartition on the banded single direction rotary cutter of bifilar, 20 screw through-holes of equipartition on the mounting panel 10, the banded single direction rotary cutter of bifilar 11 and mounting panel 10 pass through screw 18 and connect, and mounting panel 10 is installed on V takes 2, and banded single direction rotary cutter of bifilar 11 and mounting panel 10 rotate along with V takes 2.

The pre-cutting device of the straw granulator is usually matched with the straw granulator for use, when the pre-cutting device works, the direct-current motor 7 transmits power to the shaft 9 through the synchronous belt wheel 6 and the synchronous belt 5, the shaft 9 rotates to transmit the power to the V belt wheel B8, the V belt wheel B8 is a driving wheel, the V belt wheel A1 is a driven wheel, the V belt wheel B8 drives the V belt wheel A1 to rotate through the V belt 2, the V belt 2 drives the double-disc belt-shaped unidirectional rotary cutter 11 to rotate, when the straw granulator moves forwards, the cutting edge of the double-disc belt-shaped unidirectional rotary cutter 11 cuts off crop straws, and the cut crop straws are transmitted to the straw granulator and then are further crushed and granulated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a straw granulator is cutting device in advance which characterized in that: the device comprises a V belt wheel A (1), a V belt (2), a bracket (3), a collection chamber box body (4), a synchronous belt (5), a synchronous belt wheel (6), a direct current motor (7), a V belt wheel B (8), a shaft (9), a mounting plate (10), a double-disc belt-shaped unidirectional rotary cutter (11), a key (12), a bolt (13), an end cover screw (14), a bearing end cover (15), a bearing transparent cover (16), a transparent cover screw (17) and a screw (18);

8 threaded holes are uniformly distributed in a base of the direct current motor (7), the base is fixed to the bottom of the collection chamber box body (4) through bolts (13), a key groove is reserved on an output shaft of the direct current motor (7), the synchronous belt wheel (6) is fixed to the output shaft of the direct current motor (7) through a key, and the synchronous belt wheel (6) drives the synchronous belt (5) to rotate so as to transmit power to the shaft (9);

the number of the supports (3) is 2, the rear end of each support (3) is welded at the bottom of the collection chamber box body (4), a shaft (9) is connected with the front end of each support (3) through a rolling bearing, 6 threaded holes are uniformly distributed in a bearing end cover (15), the bearing end cover is mounted on one side of each support (3) through an end cover screw (14), 6 threaded holes are uniformly distributed in a bearing transparent cover (16), the bearing transparent cover is mounted on the other side of each support (3) through a transparent cover screw (17), a key groove is reserved in each shaft (9), a V belt wheel B (8) is fixed on each shaft (9) through a key (12), each shaft (9) rotates to transmit power to a V belt wheel B (8), each V belt wheel B (8) continues to transmit power to a V belt (2), and each V belt (2) drives a V belt wheel A (1);

20 screw holes of equipartition on two disk banding unidirectional rotation cutters (11), 20 screw through-holes of equipartition on mounting panel (10), two disk banding unidirectional rotation cutters (11) and mounting panel (10) are connected through screw (18), and mounting panel (10) are installed on V area (2), and two disk banding unidirectional rotation cutters (11) and mounting panel (10) rotate along with V area (2).