Forage grass crushing device

Abstract

The utility model relates to the technical field of forage grass crushing, in particular to a forage grass crushing device, which has the advantages that after forage grass is inserted from a feeding hole, a rotating shaft and a rotating shaft sleeve can be simultaneously driven by a speed reducing motor to synchronously and oppositely rotate, so that a plurality of first shear blades and a plurality of second shear blades do mutual shearing motion; the pasture bales are cut off, cut fragments slide into the smashing box through guiding of the discharging inclined plate, the fragments can slide onto blades of the smashing rotary cutters along with inclined guiding to be smashed, and the length of supporting the pasture bales and cutting the pasture can be controlled through supporting of the discharging inclined plate. The crushing rotary cutters are not prone to winding during crushing, fragments can slide onto blades of the crushing rotary cutters through the discharging inclined plate and cannot directly fall onto the crushing cutter shaft, high-speed airflow output by the air spraying pipe can blow away the pasture fragments falling onto the discharging inclined plate, the pasture is prevented from being concentrated, and the crushing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forage grass crushing, in particular to a forage grass crushing device. Background Art

[0002] In the breeding process of animal husbandry, most livestock and poultry feed on grass, so livestock farmers need to prepare a large amount of grass. When feeding the grass to livestock and poultry, it is often necessary to crush it, so a grass crushing device is used.

[0003] Chinese utility model CN208480324U discloses a grass pulverizing device. The grass pulverizing device is provided with two sets of pulverizing teeth, which mesh with each other and are driven to rotate by a second rotary motor. When the grass passes through a collecting pipe and falls between the two sets of pulverizing teeth, it is crushed by the rolling action, making the grass pulverizing efficiency higher. However, the grass pulverizing device still has the following problems during use:

[0004] The grass crushing device directly puts the grass into two sets of crushing teeth. However, some grasses are longer and have coarser plant fibers. When large bales of grass are put in, the overall strength of the grass increases. Therefore, it is difficult to break the grass sandwiched in the middle after entering the two sets of crushing teeth. This will cause the uncrushed grass to be entangled on the rotating sleeve, thereby affecting the rotating crushing, increasing the load on the driving motor, and causing the motor to burn out. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the present invention is to provide a grass crushing device to solve the problems mentioned in the background technology and overcome the shortcomings of the existing technology.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides a forage crushing device, including a crushing box, a feed pipe is fixedly connected to the center of the top surface of the crushing box, a feed port is opened on one side of the top surface of the feed pipe, a rotating sleeve is rotatably connected to the center of the top surface of the feed pipe, the inner wall of the rotating sleeve is rotatably connected to the rotating shaft, the top of the outer wall of the rotating sleeve is fixedly connected to the first bevel gear, the top of the outer wall of the rotating shaft is fixedly connected to the second bevel gear, one side of the top surface of the feed pipe is fixedly connected to a reduction motor, the output end of the reduction motor is fixedly connected to an active bevel gear, the two sides of the active bevel gear are respectively meshed with the first bevel gear and the second bevel gear, and the bottom of the outer wall of the feed pipe is fixedly connected to a plurality of first scissors The bottom of the rotating shaft is fixedly connected with a plurality of second scissor blades, the surfaces of the plurality of first scissor blades and the plurality of second scissor blades fit together, the blades of the plurality of first scissor blades and the plurality of second scissor blades correspond to each other, the plurality of first scissor blades and the plurality of second scissor blades are all at the bottom of the inner wall of the feed pipe, the distribution diameters of the plurality of first scissor blades and the plurality of second scissor blades are adapted to the diameter of the inner wall of the feed pipe, the top of the inner wall of the crushing box is fixedly connected with a discharge ramp, the center of the bottom surface of the discharge ramp is fixedly connected with an acceleration gearbox, the top input end of the acceleration gearbox is fixedly connected to the bottom of the rotating shaft, the bottom output end of the acceleration gearbox is fixedly connected to a crushing knife shaft, and the side wall of the crushing knife shaft is fixedly connected with a plurality of crushing rotary knives.

[0008] Preferably, any of the above schemes is that an air pump is fixedly connected to the edge of one side of the top surface of the crushing box, an air pump is fixedly connected to the output end of the air pump, an end of the air pump passes through the crushing box and the unloading inclined plate at one end, and an end of the air pipe away from the air pump is connected to the middle of the top surface of the unloading inclined plate.

[0009] The technical effect achieved by adopting the above solution is that the high-speed airflow outputted through the air jet pipe can blow away the grass fragments that fall on the discharge ramp, thereby preventing the grass from concentrating and improving the crushing effect.

[0010] Preferably, from any of the above schemes, the distribution diameters of several of the crushing knives are adapted to the diameter of the inner wall of the crushing box, the distribution heights of several of the crushing knives are adapted to the height of the inner wall of the crushing box, and the position of the feed port corresponds to the position of the bottom of the discharge inclined plate.

[0011] The technical effect achieved by adopting the above scheme is that the added forage grass can be introduced into a plurality of crushing rotary knives, and the internal range of the crushing box is crushed, thereby improving the crushing effect.

[0012] Preferably, any of the above schemes is that an annular plate is fixedly connected to the bottom of the outer wall of the crushing box, a plurality of support plates are fixedly connected to the bottom surface of the annular plate, and an annular plate is fixedly connected to the middle of the bottom surface of the crushing box.

[0013] The technical effect achieved by adopting the above solution is that the bottom of the crushing box is propped up by a plurality of support plates, which can facilitate the discharge and reception of materials.

[0014] Preferably, according to any of the above schemes, the center of the annular plate is rotatably connected to the bottom of the crushing blade shaft, and the width of the annular plate is greater than the diameter of the crushing blade shaft.

[0015] The technical effect achieved by adopting the above solution is that the top and bottom of the crushing cutter shaft are stably limited to prevent swinging and improve the stability during crushing.

[0016] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:

[0017] 1. The forage crushing device, after the forage is inserted from the feed port, can simultaneously drive the rotating shaft and the rotating shaft sleeve to rotate synchronously in the opposite direction through the reduction motor, so that the first shear blades and the second shear blades shear each other, so that the forage bale is cut, and the cut fragments are guided by the discharge inclined plate to slide into the inside of the crushing box, and with the inclined guidance, the fragments can slide onto the blades of the plurality of crushing rotary knives for crushing. The support of the discharge inclined plate can support the forage bale and control the length of the cut grass, so that the forage is cut into fragments of uniform length, which makes it less likely for the crushing rotary knives to be entangled during crushing, and the cutting is more uniform. Moreover, the fragments can slide onto the blades of the plurality of crushing rotary knives through the discharge inclined plate, and will not fall directly onto the crushing knife shaft.

[0018] 2. The grass crushing device can blow away the grass fragments that fall on the discharge ramp through the high-speed airflow output by the air jet pipe, preventing the grass from concentrating and improving the crushing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 This is a side structural diagram of the present utility model;

[0021] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0022] In the figure: 1-crushing box, 2-annular plate, 3-support plate, 4-feeding pipe, 5-feeding port, 6-rotating sleeve, 7-rotating shaft, 8-first bevel gear, 9-second bevel gear, 10-reduction motor, 11-air pump, 12-injection pipe, 13-driving bevel gear, 14-first scissor blade, 15-second scissor blade, 16-discharging inclined plate, 17-acceleration gearbox, 19-crushing knife shaft, 20-crushing rotary knife, 21-annular plate. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0024] Example 1: Figures 1 to 3 As shown, a forage crushing device includes a crushing box 1, a feed pipe 4 is fixedly connected to the center of the top surface of the crushing box 1, a feed port 5 is opened on one side of the top surface of the feed pipe 4, a rotating sleeve 6 is rotatably connected to the center of the top surface of the feed pipe 4, the inner wall of the rotating sleeve 6 is rotatably connected to the rotating shaft 7, the top of the outer wall of the rotating sleeve 6 is fixedly connected to the first bevel gear 8, the top of the outer wall of the rotating shaft 7 is fixedly connected to the second bevel gear 9, one side of the top surface of the feed pipe 4 is fixedly connected to the reduction motor 10, the output end of the reduction motor 10 is fixedly connected to the active bevel gear 13, the two sides of the active bevel gear 13 are respectively meshed with the first bevel gear 8 and the second bevel gear 9, the bottom of the outer wall of the feed pipe 4 is fixedly connected to a plurality of first scissor blades 14, the bottom of the rotating shaft 7 is fixedly connected to a plurality of The second scissor blade 15, the surfaces of the several first scissor blades 14 and the several second scissor blades 15 fit together, the blades of the several first scissor blades 14 and the several second scissor blades 15 correspond to each other, the several first scissor blades 14 and the several second scissor blades 15 are all at the bottom of the inner wall of the feed pipe 4, the distribution diameters of the several first scissor blades 14 and the several second scissor blades 15 are adapted to the diameter of the inner wall of the feed pipe 4, the top of the inner wall of the crushing box 1 is fixedly connected with a discharge ramp 16, the center of the bottom surface of the discharge ramp 16 is fixedly connected with an acceleration gearbox 17, the top input end of the acceleration gearbox 17 is fixedly connected to the bottom of the rotating shaft 7, the bottom output end of the acceleration gearbox 17 is fixedly connected with a crushing knife shaft 19, and the side wall of the crushing knife shaft 19 is fixedly connected with several crushing rotary knives 20.

[0025] As an optional technical solution of the present invention, an air pump 11 is fixedly connected to the edge of one side of the top surface of the crushing box 1, and an air jet pipe 12 is fixedly connected to the output end of the air pump 11. The end of the air jet pipe 12 away from the air pump 11 passes through the crushing box 1 and the discharge ramp 16. The end of the air jet pipe 12 away from the air pump 11 is connected to the middle of the top surface of the discharge ramp 16. The high-speed airflow output by the air jet pipe 12 can blow away several grass fragments that fall on the discharge ramp 16, prevent the grass from concentrating, and improve the crushing effect.

[0026] As an optional technical solution of the present invention, the distribution diameters of the plurality of crushing knives 20 are adapted to the diameter of the inner wall of the crushing box 1, the distribution heights of the plurality of crushing knives 20 are adapted to the height of the inner wall of the crushing box 1, and the position of the feed port 5 corresponds to the position of the bottom of the discharge ramp 16, so that the added forage grass can be introduced onto the plurality of crushing knives 20, and the internal range of the crushing box 1 can be crushed, thereby improving the crushing effect.

[0027] As an optional technical solution of the present invention, an annular plate 2 is fixedly connected to the bottom of the outer wall of the crushing box 1, a plurality of support plates 3 are fixedly connected to the bottom surface of the annular plate 2, and an annular plate 21 is fixedly connected to the middle of the bottom surface of the crushing box 1. The bottom of the crushing box 1 is supported by the plurality of support plates 3, which can facilitate the discharge and reception of materials.

[0028] As an optional technical solution of the present invention, the center of the annular plate 21 is rotatably connected to the bottom of the crushing blade shaft 19, and the width of the annular plate 21 is greater than the diameter of the crushing blade shaft 19, so that the top and bottom of the crushing blade shaft 19 are stably limited to prevent swinging and improve the stability during crushing.

[0029] A forage crushing device, the working principle is as follows:

[0030] 1) After the grass is inserted into the feed port 5, the reduction motor 10 can simultaneously drive the rotating shaft 7 and the rotating shaft sleeve 6 to rotate synchronously and oppositely, so that the first shearing blades 14 and the second shearing blades 15 move against each other, so that the grass bale is cut, and the cut pieces are guided by the discharge inclined plate 16 so that they slide into the crushing box 1;

[0031] 2) The high-speed airflow output by the air jet pipe 12 can blow away the grass fragments that fall onto the discharge ramp 16 to prevent grass from concentrating;

[0032] 3) With the inclined guidance, the fragments can slide onto the blades of several crushing rotary knives 20 for crushing. Through the support of the unloading inclined plate 16, the grass bale can be supported and the length of the grass cut can be controlled, so that the grass is cut into fragments of uniform length, which makes it less likely for the crushing rotary knives 20 to entangle when crushing, and the cutting is more uniform.

[0033] To sum up, after the grass is inserted into the feed port 5, the reduction motor 10 can simultaneously drive the rotating shaft 7 and the rotating shaft sleeve 6 to rotate synchronously in the opposite direction, so that the first scissor blades 14 and the second scissor blades 15 shear each other, so that the grass bundle is cut, and the cut fragments are guided by the discharge inclined plate 16 to slide into the inside of the crushing box 1, and with the inclined guidance, the fragments can slide onto the blades of the crushing rotary knives 20 for crushing. The support of the discharge inclined plate 16 can support the grass bundle and control the length of the grass to be cut, so that the grass is cut into fragments of uniform length, which makes it less likely for the crushing rotary knives 20 to be entangled when crushing, and the cutting is more uniform. Moreover, the fragments can slide onto the blades of the crushing rotary knives 20 through the discharge inclined plate 16, and will not fall directly onto the crushing cutter shaft 19. The high-speed airflow output by the air jet pipe 12 can blow away the grass fragments that fall on the discharge inclined plate 16, prevent the grass from concentrating, and improve the crushing effect.

[0034] Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and should not be construed as limiting the present invention. Those skilled in the art may make changes, modifications, substitutions, and variations to the above embodiments without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A forage grass crushing device, characterized by: The invention comprises a crushing box (1), wherein a feed pipe (4) is fixedly connected at the center of the top surface of the crushing box (1), a feed port (5) is opened on one side of the top surface of the feed pipe (4), a rotating sleeve (6) is rotatably connected at the center of the top surface of the feed pipe (4), the inner wall of the rotating sleeve (6) is rotatably connected to a rotating shaft (7), the top of the outer wall of the rotating sleeve (6) is fixedly connected to a first bevel gear (8), the top of the outer wall of the rotating shaft (7) is fixedly connected to a second bevel gear (9), one side of the top surface of the feed pipe (4) is fixedly connected to a reduction motor (10), the output end of the reduction motor (10) is fixedly connected to an active bevel gear (13), the two sides of the active bevel gear (13) are respectively meshed with the first bevel gear (8) and the second bevel gear (9), the bottom of the outer wall of the feed pipe (4) is fixedly connected to a plurality of first shear blades (14), the bottom of the rotating shaft (7) is fixedly connected to a plurality of second shear blades (14), and the bottom of the rotating shaft (7) is fixedly connected to a plurality of second shear blades (14). The surfaces of the plurality of first scissor blades (14) and the plurality of second scissor blades (15) are fitted with each other, the blades of the plurality of first scissor blades (14) and the plurality of second scissor blades (15) correspond to each other, the plurality of first scissor blades (14) and the plurality of second scissor blades (15) are all located at the bottom of the inner wall of the feed pipe (4), the distribution diameters of the plurality of first scissor blades (14) and the plurality of second scissor blades (15) are adapted to the diameter of the inner wall of the feed pipe (4), the top of the inner wall of the crushing box (1) is fixedly connected with a discharge inclined plate (16), the center of the bottom surface of the discharge inclined plate (16) is fixedly connected with an acceleration gearbox (17), the top input end of the acceleration gearbox (17) is fixedly connected with the bottom of the rotating shaft (7), the bottom output end of the acceleration gearbox (17) is fixedly connected with a crushing knife shaft (19), and the side wall of the crushing knife shaft (19) is fixedly connected with a plurality of crushing rotary knives (20).

2. A forage grass crushing device according to claim 1, characterized in that: An air pump (11) is fixedly connected to the edge of one side of the top surface of the crushing box (1), and an air jet pipe (12) is fixedly connected to the output end of the air pump (11). The end of the air jet pipe (12) away from the air pump (11) passes through the crushing box (1) and the discharge inclined plate (16), and the end of the air jet pipe (12) away from the air pump (11) is connected to the middle of the top surface of the discharge inclined plate (16).

3. The forage grass crushing device according to claim 2, characterized in that: The distribution diameters of the plurality of pulverizing knives (20) are adapted to the diameter of the inner wall of the pulverizing box (1), the distribution heights of the plurality of pulverizing knives (20) are adapted to the height of the inner wall of the pulverizing box (1), and the position of the feed port (5) corresponds to the position of the bottom of the discharge inclined plate (16).

4. The forage grass crushing device according to claim 3, characterized in that: An annular plate (2) is fixedly connected to the bottom of the outer wall of the crushing box (1), a plurality of support plates (3) are fixedly connected to the bottom surface of the annular plate (2), and an annular plate (21) is fixedly connected to the middle of the bottom surface of the crushing box (1).

5. The forage grass crushing device according to claim 4, characterized in that: The center of the annular plate (21) is rotatably connected to the bottom of the crushing blade shaft (19), and the width of the annular plate (21) is greater than the diameter of the crushing blade shaft (19).

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