Hay cutter capable of adjusting hay cutting length

Abstract

The utility model relates to the field of agricultural machinery, and discloses a hay cutter capable of adjusting hay cutting length, which comprises two side plate bodies, a first feeding roll shaft, two second feeding roll shafts and a mounting frame, an upper cover plate side plate is fixedly arranged between the two side plate bodies and the cover plate body, a chopping side chamber bottom plate is fixedly arranged on the other side between the two opposite side plate bodies, and a protective cover is fixedly arranged at the edge of the rear end of one of the two side plate bodies; a motor fixing support is fixedly arranged on one side of the rear end of one of the two side plate bodies, an adjustable-speed motor is fixedly arranged at the upper end of the motor fixing support, and the output end of the adjustable-speed motor is fixedly sleeved with a first bevel gear. According to the forage feeding device, the feeding speed of the feeding roller can be changed by adjusting the rotating speed of the speed adjusting motor, and the two feeding compression rollers are meshed up and down, so that uniform feeding of forage is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery field especially, relates to a kind of hay cutter that adjusts the length of hay. BACKGROUND

[0002] Hay cutter is a kind of mechanical equipment for cutting hay, silage or plant material such as straw. It cuts long strip feed into short pieces by blade to facilitate animal consumption, especially for cattle, sheep and other herbivorous animals. The chopped feed is more easily eaten by animals, greatly reducing the waste caused by too long feed.

[0003] The inventor found that the prior art has the following problems in the process of realizing the present application: The existing hay cutter cannot adjust the length of the grass according to the needs when cutting grass, resulting in inconsistent length of the cut grass, affecting the subsequent use effect. In addition, the traditional hay cutter has complex structure and is inconvenient to operate, which cannot meet the needs of modern agriculture.

[0004] Therefore, the skilled person in the art provides a hay cutter for adjusting the length of hay to solve the problems raised in the background art. SUMMARY

[0005] The utility model aims at solving the shortcomings in the prior art and provides a hay cutter for adjusting the length of hay. The present invention can change the feeding speed of the feeding roller to adjust the length of the grass.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A hay cutter for adjusting the length of hay includes two side plate bodies, a first feeding roller shaft, two second feeding roller shafts and a mounting bracket. One side of the two side plate bodies opposite each other is fixedly provided with a cover plate body. An upper cover plate side plate is fixedly arranged between the two side plate bodies and the cover plate body. The other side of the two side plate bodies opposite each other is fixedly provided with a hay cutter side chamber bottom plate. A main shaft is rotatably arranged at the middle position of the two side plate bodies opposite each other. A protective cover is fixedly arranged at the rear end edge of one of the two side plate bodies. A motor fixing bracket is fixedly arranged at the rear end of one side of one of the two side plate bodies. A speed regulating motor is fixedly arranged on one side of the motor fixing bracket. A first bevel gear is fixedly arranged on the output end of the speed regulating motor.

[0008] The one side of the first feeding roller is fixedly provided with a second bevel gear, and the outer end of one of the first feeding roller and the two second feeding rollers is fixedly provided with three feeding roller welding pieces.

[0009] Further, the outer end of the two bearings is fixedly provided with an eight-shaped bearing seat, and the feeding roller welding engagement pieces are rotationally arranged at the lower end of the fixed cutter fixed square.

[0010] Further, the other side of the two side plate bodies is fixedly provided with a fixed cutter fixed square at the lower end.

[0011] Further, the speed regulating motor is located in the inner end of the protective cover, and the two second feeding rollers are rotationally arranged at the side of the first feeding roller.

[0012] Further, the two second feeding rollers and the first feeding roller are rotationally arranged between the two side plate bodies.

[0013] Further, the two side plate bodies are fixedly arranged on the front and rear sides of the mounting frame through bolts, and the two sprockets are connected by a chain.

[0014] Further, the output end of the second motor and the outer end of the main shaft are fixedly provided with a belt pulley, and the two belt pulleys are connected by a connecting belt.

[0015] Further, the outer end of the main shaft is fixedly provided with a cutter, and the first bevel gear is meshingly connected with the second bevel gear.

[0016] The utility model has the advantages of the following beneficial effects:

[0017] The utility model discloses a hay cutter capable of adjusting the length of hay, and the wheel at the lower end of the mounting frame is the lower end of the equipment, the side plate bodies on the side of the first feeding roller and the second feeding roller are provided with a feeding hopper, the hay is added into the feeding hopper, the first bevel gear is connected with the output shaft of the speed regulating motor, drives the second bevel gear to rotate, thereby driving the first feeding roller to rotate, the first feeding roller and the second feeding roller are provided with two feeding pressure rollers that are engaged with each other and are used for guiding the feeding of hay, after starting the second motor, the main shaft keeps constant speed, so as to drive the hay cutter to cut, by adjusting the rotating speed of the speed regulating motor, the feeding speed of the feeding roller can be changed, thereby realizing the adjustment of the length of hay, the rotating speed of the main shaft keeps unchanged, the stability of the cutting process is ensured, the two feeding pressure rollers are engaged in an up-down mode, the uniform feeding of hay is ensured, and the cutting efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall shaft measurement schematic view of the utility model;

[0019] Figure 2 It is the shaft measurement schematic view of the utility model side plate body, mounting frame, No. 2 motor and pulley;

[0020] Figure 3 It is the shaft measurement schematic view of the utility model side plate body, shield and side chamber bottom plate;

[0021] Figure 4 It is the shaft measurement schematic view of the utility model side plate body, cover plate body, shield and sprocket;

[0022] Figure 5 It is the shaft measurement schematic view of the utility model side plate body, speed regulating motor and side chamber bottom plate;

[0023] Figure 6 It is the section view schematic view of the utility model No. 1 feeding roller shaft, side chamber bottom plate, main shaft and cutter;

[0024] Figure 7 It is the section view schematic view of the utility model No. 1 feeding roller shaft, side chamber bottom plate and No. 2 feeding roller shaft;

[0025] Figure 8 It is the shaft measurement schematic view of the utility model sprocket, main shaft and cutter;

[0026] Figure 9 It is the shaft measurement schematic view of the utility model main shaft and cutter;

[0027] Figure 10 It is the shaft measurement schematic view of the utility model speed regulating motor, fixed cutter side and feeding roller welding engagement piece;

[0028] Figure 11 It is the bottom shaft measurement schematic view of the utility model feeding roller welding piece, No. 2 bevel gear and No. 2 feeding roller shaft.

[0029] Legend:

[0030] 1, side plate body; 2, cover plate body; 3, shield; 4, motor fixed support; 5, speed regulating motor; 6, No. 1 bevel gear; 7, No. 1 feeding roller shaft; 8, feeding roller welding piece; 9, No. 2 bevel gear; 10, side chamber bottom plate; 11, upper cover plate side plate; 12, No. 2 feeding roller shaft; 13, bearing; 14, sprocket; 15, fixed cutter side; 16, feeding roller welding engagement piece; 17, chain; 18, main shaft; 19, cutter; 20, mounting frame; 21, No. 2 motor; 22, pulley; 23, connecting belt. DETAILED DESCRIPTION

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figures 1-11 One embodiment provided by this utility model:

[0033] A chaff cutter with adjustable cutting length includes two side plate bodies 1, a first feed roller shaft 7, two second feed roller shafts 12, and a mounting frame 20. A cover plate body 2 is fixedly installed on one side between the two side plate bodies 1. An upper cover plate side plate 11 is fixedly installed between the two side plate bodies 1 and the cover plate body 2. A chaff cutting chamber bottom plate 10 is fixedly installed on the other side between the two side plate bodies 1. A main shaft 18 is rotatably installed at the middle position between the two side plate bodies 1. A mounting frame is fixed at the rear edge of one of the two side plate bodies 1. The enclosure 3 has a motor mounting bracket 4 fixedly installed on one of the rear ends of the two side plate bodies 1. A speed-regulating motor 5 is fixedly installed on one side of the motor mounting bracket 4. A first bevel gear 6 is fixedly sleeved at the output end of the speed-regulating motor 5. A second bevel gear 9 is fixedly sleeved on one side of the first feed roller shaft 7. Three feed roller welding pieces 8 are fixedly sleeved on the outer end of one of the first feed roller shaft 7 and the two second feed roller shafts 12. Feed roller welding engagement pieces 16 are fixedly installed between the multiple feed roller welding pieces 8. The two second feed roller shafts 12 are located on both sides. Bearings 13 are rotatably fitted at the edges. One of the two No. 2 feed roller shafts 12 is fixedly fitted with a sprocket 14. A No. 2 motor 21 is fixedly installed on the upper end of the mounting frame 20. The outer ends of the four bearings 13 are fixedly fitted with figure-eight bearing seats. Multiple feed roller welding engagement pieces 16 are rotatably mounted on the lower end of the fixed blade fixing unit 15. The fixed blade fixing unit 15 is fixedly installed on the lower end of the other side between the two side plate bodies 1. The fixed blade fixing unit 15 is located at the lower end of the bottom plate 10 of the guillotine side chamber. The speed regulating motor 5 is located inside the protective cover 3. Two No. 2 feed rollers Shaft 12 is rotatably mounted on one side of the first feed roller shaft 7. The two second feed roller shafts 12 and the first feed roller shaft 7 are rotatably mounted between the two side plate bodies 1. The two side plate bodies 1 are fixedly mounted on the front and rear sides of the mounting frame 20 by bolts. A chain 17 is connected between the two sprockets 14. Pulleys 22 are fixedly mounted on the output end of the second motor 21 and on one side of the outer end of the main shaft 18. A connecting belt 23 is connected between the two pulleys 22. A guillotine 19 is fixedly mounted on the outer end of the main shaft 18. The first bevel gear 6 and the second bevel gear 9 are meshed and connected.

[0034] Specifically, the wheels at the lower end of the mounting frame 20 are the lower end of the equipment. A feeding hopper is set between the side plate body 1 near the first feeding roller shaft 7 and the second feeding roller shaft 12. After the grass is added to the feeding hopper, the first bevel gear 6 is connected to the output shaft of the speed-regulating motor 5, driving the second bevel gear 9 to rotate, thereby driving the first feeding roller shaft 7 to rotate. Two interlocking feeding pressure rollers are installed on the first feeding roller shaft 7 and the second feeding roller shaft 12 to guide the feeding of grass. After starting the second motor 21, the main shaft 18 maintains a constant speed to drive the grass-cutting blade to cut. By adjusting the speed of the speed-regulating motor 5, the feeding speed of the feeding rollers can be changed, thereby adjusting the length of the grass. The speed of the main shaft 18 remains constant to ensure the stability of the cutting process. The two feeding pressure rollers interlock to ensure uniform feeding of grass and improve cutting efficiency.

[0035] Working principle: The wheels at the lower end of the mounting frame 20 are the lower end of the equipment. A feeding hopper is set between the side plate body 1 near the first feeding roller shaft 7 and the second feeding roller shaft 12. After the grass is added to the feeding hopper, the first bevel gear 6 is connected to the output shaft of the speed regulating motor 5, which drives the second bevel gear 9 to rotate, thereby driving the first feeding roller shaft 7 to rotate. Two interlocking feeding pressure rollers are installed on the first feeding roller shaft 7 and the second feeding roller shaft 12 to guide the feeding of grass. After the second motor 21 is started, the main shaft 18 maintains a constant speed to drive the grass-cutting blade to cut.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hay cutter for regulating the length of the cut hay, comprising two side plate bodies (1), a first feed roller shaft (7), two second feed roller shafts (12) and a mounting frame (20), characterized in that: Two side plate bodies (1) are fixedly provided with a cover plate body (2) between the opposite sides, an upper cover plate side plate (11) is fixedly provided between the two side plate bodies (1) and the cover plate body (2), the other side of the two side plate bodies (1) is fixedly provided with a side chamber bottom plate (10), a main shaft (18) is rotatably arranged at the middle position between the two side plate bodies (1), a shroud (3) is fixedly arranged at the rear end of one of the two side plate bodies (1), a motor fixing support (4) is fixedly arranged at one side of the rear end of one of the two side plate bodies (1), a speed regulating motor (5) is fixedly arranged at one side of the motor fixing support (4), and a first bevel gear (6) is fixedly sleeved on the output end of the speed regulating motor (5); A second bevel gear (9) is fixedly sleeved on one side of the first feeding roller shaft (7), three feeding roller welding pieces (8) are fixedly sleeved on the outer end of the first feeding roller shaft (7) and one of the two second feeding roller shafts (12), feeding roller welding engagement pieces (16) are fixedly arranged between the plurality of feeding roller welding pieces (8), bearings (13) are rotatably sleeved on the edges of the two second feeding roller shafts (12), a sprocket (14) is fixedly sleeved on one of the two second feeding roller shafts (12), and a mounting frame (20) is fixedly provided with a second motor (21) at the upper end.

2. The hay conditioner of claim 1 wherein: The four bearings (13) are fixedly sleeved with eight-shaped bearing seats at the outer ends, and the plurality of feeding roller welding engagement pieces (16) are rotatably arranged at the lower end of the fixed knife fixing square (15).

3. The hay conditioner of claim 1 wherein: The other side of the two side plate bodies (1) is fixedly provided with a fixed knife fixing square (15) at the lower end.

4. The hay conditioner of claim 1 wherein: The speed regulating motor (5) is located in the inner end of the shroud (3), and the two second feeding roller shafts (12) are rotatably arranged on one side of the first feeding roller shaft (7).

5. The hay conditioner of claim 1 wherein: The two second feeding roller shafts (12) and the first feeding roller shaft (7) are rotatably arranged between the two side plate bodies (1).

6. The hay conditioner of claim 1 wherein: The two side plate bodies (1) are fixedly arranged on the front and rear sides of the mounting frame (20) through bolts, and the two sprockets (14) are connected by a chain (17).

7. The hay conditioner of claim 1 wherein: The output end of the second motor (21) and one side of the outer end of the main shaft (18) are fixedly sleeved with a belt pulley (22), and the two belt pulleys (22) are connected by a connecting belt (23).

8. The hay conditioner of claim 1 wherein: The outer end of the main shaft (18) is fixedly sleeved with a cutter (19), and the first bevel gear (6) is meshedly connected with the second bevel gear (9).

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