CN205389566U - Long and thin straw is in same direction as cutter - Google Patents

Abstract

The utility model discloses a slender straw cutting machine, which comprises: a lower bracket and an upper bracket fixed on the lower bracket; a motor is fixed in the lower bracket, and two first transmission shafts parallel to each other up and down are arranged in the upper bracket; The second transmission shaft, the first transmission shaft sleeve has a plurality of annular upper cutters evenly distributed, and the second transmission shaft is covered with a plurality of annular lower cutters corresponding to the upper cutters and evenly distributed; the corresponding The upper cutter and the lower cutter are in a tangent state; the upper bracket is provided with a support plate, which is located between the second transmission shaft and the upper cutter, and is provided with a plurality of holes for the lower cutter to pass through; the first One end of the transmission shaft is in transmission connection with the motor, and the other end is in transmission connection with the second transmission shaft. The utility model can cut the material delivered by the conveyor belt to the support plate into strips of a certain width; thus, it is convenient to subsequently cut the material to an ideal length; the utility model has reliable operation, ideal grass cutting effect and low power consumption.

Description

A slender straw cutting machine

technical field

The utility model relates to the field of agricultural machinery, in particular to a slender straw cutting machine.

Background technique

The straight cutting machine is used for processing machinery for rolling and cutting crop straws such as rice straw and forage grass; because the straws are placed in a disorderly manner, the existing grass cutters cannot cut the slender straws (rice straws, wheat straws) Once rolled and cut to the ideal length, the length of the straw after rolling and cutting is different; straws of different lengths directly affect the later straw processing.

Utility model content

Aiming at the deficiencies in the above problems, the utility model provides a slender straw cutting machine.

The utility model discloses a slender straw cutting machine, comprising: a lower bracket and an upper bracket fixed on the lower bracket;

A motor is fixed in the lower bracket;

Two first transmission shafts and second transmission shafts parallel to each other up and down are arranged in the upper bracket, and a plurality of annular upper cutters evenly distributed are sleeved on the first transmission shaft, and on the second transmission shaft There are a plurality of ring-shaped lower cutters corresponding to the upper cutters and evenly distributed; the corresponding upper cutters and lower cutters are in a tangent state;

The upper bracket is provided with a supporting plate, the supporting plate is located between the second transmission shaft and the upper cutter, and is provided with a plurality of holes for the lower cutter to pass through;

One end of the first transmission shaft is in transmission connection with the motor, and the other end is in transmission connection with the second transmission shaft.

As a further improvement of the utility model, among the upper cutter and the lower cutter in a tangent state, the top of the lower cutter is 10-20mm higher than the bottom of the upper cutter.

As a further improvement of the utility model, the rotation direction of the upper cutter is opposite to that of the lower cutter.

As a further improvement of the utility model, a positioning spacer is provided between two adjacent upper cutters and between two adjacent lower cutters; the positioning spacers are respectively sleeved on the first transmission shaft or the second transmission shaft superior.

As a further improvement of the utility model, a first sprocket is fixed on the output shaft of the motor, a second sprocket is fixed on the end corresponding to the output shaft of the motor on the first transmission shaft, and the first sprocket It is connected with the second sprocket through a chain, and the other end is fixed with a first gear; the end corresponding to the first gear on the second transmission shaft is provided with a second gear, and the second gear is connected to the first gear. The gears are meshed, and the other end is rotated and fixed on the upper frame.

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

The utility model discloses a slender straw cutting machine, through the cooperation of the upper cutter and the lower cutter, the material conveyed by the conveyor belt to the supporting plate can be cut into strips with a certain width; thus, it is convenient to cut the material into Ideal length; it works reliably, has ideal grass cutting effect, low power consumption, and realizes the crushing work of rolling and cutting rice straw, wheat straw and other slender materials.

Description of drawings

Fig. 1 is a structural diagram of a slender straw cutting machine disclosed in an embodiment of the present invention;

Fig. 2 is a sectional view of A-A in Fig. 1 .

In the figure: 1. Upper frame; 2. Lower frame; 3. Motor; 4. First drive shaft; 5. Second drive shaft; 6. Upper cutter; 7. Lower cutter; 8. Positioning spacer; 9. The first sprocket; 10. The second sprocket; 11. The first gear; 12. The second gear; 13. The supporting plate.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Below in conjunction with accompanying drawing, the utility model is described in further detail:

As shown in Figure 1-2: the utility model provides a slender straw cutting machine, including: a lower bracket 2 and an upper bracket 1 fixed on the lower bracket 2;

A motor 3 is fixed inside the lower bracket 2; a first sprocket 9 is fixed on the output shaft of the motor 3;

The upper bracket 1 is provided with two first transmission shafts 4 and second transmission shafts 5 parallel to each other up and down, and a plurality of ring-shaped upper cutters 6 are evenly distributed on the first transmission shaft 4; There is a positioning spacer 8 set on the first transmission shaft 4, and the structure of the upper cutter 6 is a ring-shaped cutter with a round hole in the middle that matches the first transmission shaft and a pointed edge; the second transmission shaft 5, corresponding to the upper cutter 6, there are a plurality of ring-shaped lower cutters 7 evenly distributed; between the adjacent lower cutters 7, a positioning spacer 8 set on the second transmission shaft 5 is arranged, and the structure of the lower cutter 7 is the middle There is a round hole matched with the second transmission shaft, and the edge is a sharp serrated ring cutter; the distance between two adjacent upper cutters or the distance between two adjacent lower cutters is cut according to the material requirements. The width of the strip is set. In the utility model, the rotation direction of the upper cutter 6 is opposite to that of the lower cutter 7; at the same time, the corresponding upper cutter 6 and the lower cutter 7 are in a tangent state and the top of the lower cutter 7 is higher than that of the upper cutter 6. The bottom end is 10-20mm; that is, the upper cutter 6 and the lower cutter 7 have an overlapping height during tangential movement, and the overlapping height is the distance between the top cutter head of the lower cutter and the bottom cutter head of the upper cutter, which is taken as The value is 10 to 20 mm.

The upper bracket 1 is provided with a supporting plate 13 for receiving the conveyor belt material, and the supporting plate 13 is located between the second transmission shaft 5 and the upper cutting knife 6 along the cutting direction of the lower cutting knife 7 or the upper cutting knife 6; at the same time, The lower cutting knife 7 passes the supporting plate 13 .

One end corresponding to the motor output shaft on the first drive shaft 4 of the utility model is fixed with a second sprocket 10, the first sprocket 9 and the second sprocket 10 are connected by a chain, and the other end is fixed with a first gear 11; One end corresponding to the first gear 11 on the two power transmission shafts 5 is provided with a second gear 12, the second gear 12 meshes with the first gear 11, and the other end is fixed in rotation on the upper frame 1; wherein, the motor 3 and The first transmission shaft 4 is transmitted through a chain, and the first transmission shaft 4 and the second transmission shaft 5 are transmitted through gears.

When in use, start the motor, and the motor drives the first transmission shaft to rotate through the chain, wherein the rotation direction of the first transmission shaft is the same as that of the motor output shaft; the first transmission shaft drives the second transmission shaft to rotate through gear transmission, wherein the first The rotation direction of the transmission shaft is opposite to the rotation direction of the second transmission shaft. At the same time, the first transmission shaft drives the upper cutter to rotate, and the second transmission shaft drives the lower cutter to rotate; the corresponding upper and lower cutters partially overlap and perform tangential motions to cut the material conveyed by the conveyor belt to the support plate into a certain width. The material strips are then cut to the desired length by the subsequent grass mower.

The utility model discloses a slender straw cutting machine, through the cooperation of the upper cutter and the lower cutter, the material conveyed by the conveyor belt to the supporting plate can be cut into strips with a certain width; to the ideal length; its work is reliable, the grass cutting effect is ideal, the power consumption is low, and it can realize the crushing work of rolling and cutting rice straw, wheat straw and other slender materials.

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. A slender straw cutting machine, characterized in that, comprising: a lower frame (2) and an upper frame (1) fixed on the lower frame (2); A motor (3) is fixed inside the lower frame (2); The upper frame (1) is provided with two first transmission shafts (4) and second transmission shafts (5) parallel to each other up and down, and the first transmission shaft (4) is covered with a plurality of evenly distributed rings. shaped upper cutter (6), the second transmission shaft (5) is covered with a plurality of ring-shaped lower cutters (7) corresponding to the upper cutter (6) and evenly distributed; The cutter (6) and the lower cutter (7) are in a tangent state; The upper frame (1) is provided with a support plate (13), and the support plate (13) is located between the second transmission shaft (5) and the upper cutter (6), and is provided with a A plurality of apertures through which the lower cutter (7) passes; One end of the first transmission shaft (4) is in transmission connection with the motor (3), and the other end is in transmission connection with the second transmission shaft (5). 2. The slender straw cutting machine according to claim 1, characterized in that, among the upper cutter (6) and the lower cutter (7) in a tangential state, the top of the lower cutter (7) is higher than the top of the upper cutter. The bottom 10～20mm of knife (6). 3. The slender straw cutting machine according to claim 1, characterized in that, the rotation direction of the upper cutter (6) is opposite to the rotation direction of the lower cutter (7). 4. The slender straw cutting machine according to claim 1, characterized in that, a positioning spacer is provided between two adjacent upper cutters and between two adjacent lower cutters; the positioning spacer respectively sleeved on the first transmission shaft or the second transmission shaft. 5. The slender straw cutting machine according to claim 1, characterized in that, a first sprocket (9) is fixed on the output shaft of the motor (3), and a sprocket (9) is fixed on the output shaft of the first transmission shaft (4). One end corresponding to the motor output shaft is fixed with a second sprocket (10), the first sprocket (9) and the second sprocket (10) are connected by a chain, and the other end is fixed with a first gear (11); One end corresponding to the first gear (11) on the second transmission shaft (5) is provided with a second gear (12), and the second gear (12) meshes with the first gear (11) , and the other end is rotated and fixed on the upper frame (1).