CN112753392A

CN112753392A - Straw breaker for livestock-raising

Info

Publication number: CN112753392A
Application number: CN202110178348.XA
Authority: CN
Inventors: 卫中华; 高健飞; 落安鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-05-07

Abstract

The invention discloses a straw crushing device for livestock breeding, wherein a side supporting plate is fixedly connected to the left end of the top of a base, a top seat is fixedly connected to the side supporting plate above the base, a feeding box is mounted at the right end of the top seat, a first rotating shaft is arranged on the side supporting plate above the top seat, the end part of the first rotating shaft penetrating through the side supporting plate is connected with the output end of a first motor, a first driving gear and a cam are sequentially sleeved on the end part of the first rotating shaft penetrating through the feeding box, a crankshaft part and a worm part are arranged on the first rotating shaft above the top seat, a material discharging body is hinged to the bottom of the feeding box, a material discharging device is arranged on the side part of the feeding box, a fixing seat is fixedly connected to the side part of the feeding box, a first pushing rod penetrates through the fixing seat, a pressure bearing seat is arranged on the end part of the first pushing rod arranged at the top of the fixing seat, a first. The invention has the advantages that: the operation is stable, avoid blockking up, smash effectual the improvement work efficiency of drinking.

Description

Straw breaker for livestock-raising

Technical Field

The invention belongs to the technical field of straw crushing equipment, and particularly relates to a straw crushing device for livestock breeding.

Background

The animal husbandry is a production department for obtaining animal products such as meat, eggs, milk, wool, cashmere, hide, silk and medicinal materials by utilizing the physiological functions of animals such as livestock and poultry which are domesticated by human beings or wild animals such as deer, musk, fox, mink, otter, quail and the like and converting the plant energy such as pasture, feed and the like into animal energy through artificial feeding and breeding. Is different from self-sufficient livestock breeding, and is mainly characterized by centralization, scale production and profit-making production purposes. Is an extremely important link for exchanging substances between human beings and the nature. Animal husbandry is one of the components of agriculture, and is combined with planting as two major pillars for agricultural production. The straw is a general term of the stem and leaf parts of mature crops. Generally refers to the remainder of wheat, rice, corn, potatoes, oilseed rape, cotton, sugar cane and other crops after harvesting the seeds. More than half of the products of crop photosynthesis exist in the straws, and the straws are rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, are multipurpose renewable biological resources, and are also coarse feed. It features high coarse fibre content and lignin content. Although the lignocellulose cannot be utilized by pigs and chickens, the lignocellulose can be absorbed and utilized by livestock such as ruminants, cattle and sheep. The straw is a coarse feed, can be used as grain of cattle, sheep and other livestock, the straw can be stored after being cut to reduce the space occupied by the straw, and the cut straw eaten by the livestock can be better digested, so that the livestock can grow better. According to Chinese patent application publication No. CN106386013A, application publication No. 2017, 2, 15, the name of the invention is a straw rapid cutting device for livestock raising, which comprises a bottom plate 1, a left side plate 2, a first slide rail 3, a first pulley 4, a right side plate 5, a top plate 6, a motor 7, a guide sleeve 8, a first slide block 9, a first spring 10, a placing frame 11, a second slide rail 12, a second slide block 13, a second spring 14, a rack 15, a second pulley 16, a third pulley 17, a pull wire 18, a first connecting rod 19, a wedge-shaped block 20, a sector gear 21, a second connecting rod 22, a third connecting rod 23, a pressing block 24, a guide rod 25, a lifting rod 27, a fixed stop 28, an elastic piece 29, a contact wheel 30 and a first blade 31, wherein the left side plate 2, the first slide rail 3, the first pulley 4 and the right side plate 5 are sequentially arranged from left to right on the bottom plate 1, the right side surface of the left side plate 2 is sequentially provided with the top plate 6, a motor 7 and a guide sleeve 8, a first slide block 9 is connected on the first slide rail 3 in a sliding way, a first spring 10 is connected between the left side of the first slide block 9 and the inner left side of the first slide rail 3, a placing frame 11 is connected on the first slide block 9, the right end of a top plate 6 is connected with the upper part of the left side of a right side plate 5, a second slide rail 12 is horizontally arranged at the bottom of the top plate 6, a second slide block 13 is connected on the second slide rail 12 in a sliding way, a second spring 14 is connected between the right side of the second slide block 13 and the inner right side of the second slide rail 12, a rack 15 is connected on the second slide block 13, a first connecting rod 19 is connected at the right end of the rack 15, a wedge block 20 is connected at the right end of the first connecting rod 19, a second pulley 16 and a third pulley 17 are arranged at the top of the top plate 6, the third pulley 17 is positioned at the right side of, the rear side of the motor 7 is connected with a sector gear 21, the sector gear 21 is meshed with the rack 15, the rear side of the sector gear 21 is eccentrically and hingedly connected with a second connecting rod 22, a third connecting rod 23 is movably arranged in the guide sleeve 8, the top end of the third connecting rod 23 is hinged with the bottom end of the second connecting rod 22, the bottom end of the third connecting rod 23 is connected with a press block 24, the press block 24 is positioned above the placing frame 11, the middle part of the left side surface of the right side plate 5 is connected with a guide rod 25, a guide hole 26 is formed in the guide rod 25, a lifting rod 27 is slidably arranged in the guide hole 26, a fixed stop 28 is connected onto the lifting rod 27, the fixed stop 28 is positioned above the guide rod 25, an elastic piece 29 is connected between the fixed stop 28 and the guide rod 25, the top end of the lifting rod 27 is connected with a contact wheel 30, the contact wheel 30 is contacted with the wedge block 20; pressing and cutting can be carried out simultaneously, the cut and loosened straw is pressed by a pressing block and then cut; the disadvantages are as follows: the straw is put into the placing frame integrally, so that the occupied area is large; in addition, the cut straws in the placing frame can be compacted under the action of the pressing block, so that the positions of the straws are not changed, the same position of the straws is cut for multiple times, useless work is done, and the working efficiency cannot be improved. Therefore, it is important to solve the above problems.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides the straw crushing device for livestock breeding, which has the advantages of stable operation, blockage prevention, good crushing effect and improvement on the working efficiency.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a straw crushing device for livestock breeding comprises a base, a side supporting plate and a top seat, wherein the left end of the top of the base is fixedly connected with the side supporting plate, the side supporting plate above the base is fixedly connected with the top seat, the right end of the top seat is provided with a feeding box, a first rotating shaft is arranged on the side supporting plate above the top seat, one end of the first rotating shaft penetrates through the side supporting plate, the other end of the first rotating shaft penetrates through the feeding box, the end part of the first rotating shaft penetrating through the side supporting plate is connected with the output end of a first motor, the end part of the first rotating shaft penetrating through the feeding box is sequentially sleeved with a first driving gear and a cam, an auxiliary rotating shaft is arranged at the position corresponding to the first rotating shaft arranged in the feeding box cavity, one end of the auxiliary rotating shaft penetrates through the feeding box, a second driving gear is sleeved at the end part, the second driving gear is meshed with the first driving gear, extruding rollers are sleeved on, a fixed cutter body is arranged at the inner side part of a feeding box cavity below the extrusion roller, a crankshaft part and a worm part are arranged on a first rotating shaft above a top seat, a connecting rod is sleeved on the crankshaft part and hinged on a pressing body, the pressing body penetrates through the top seat, a crushing cutter body is arranged at the end part, a crushing box is arranged on a base at the corresponding position of the crushing cutter body and is supported by a support column, the worm part is meshed with a worm wheel, the worm wheel is sleeved on a second rotating shaft, the second rotating shaft is arranged on the top seat under the action of a bearing seat, an eccentric rod is arranged at the side part of the worm wheel and can drive a linear pushing body, a linear pushing body is provided with a strip through hole and is sleeved on the eccentric rod through the strip through hole, a movable cutter body is arranged at one end of the linear pushing body, the movable cutter body extends to be arranged in the feeding box and is matched with the fixed cutter body, a material discharging body, throw the workbin lateral part and be equipped with discharge device, discharge device includes the fixing base, the bearing seat, first catch bar, the second catch bar, first return spring and first T type piece, fixing base fixed connection is at the workbin lateral part of throwing, first catch bar runs through the fixing base, the first catch bar tip of arranging the fixing base top in is equipped with the bearing seat, the cover is equipped with first return spring on the first catch bar between bearing seat and the fixing base, arrange the first catch bar end connection second catch bar of fixing base bottom in, the second catch bar extends and arranges row material body bottom in, row material body bottom of corresponding position is equipped with first T type groove, first T type inslot embeds first T type piece, the second catch bar articulates on first T type piece.

Furthermore, a positioning device is arranged on the top seat and comprises a second T-shaped block, a second return spring and a swing rod, a second T-shaped groove is formed in the bottom of the top seat, the second T-shaped block is arranged in the second T-shaped groove, the swing rod is hinged to the second T-shaped block and hinged to the pressure applying body and close to the position of the crushing cutter body, and the second return spring is arranged in the second T-shaped groove between one end, far away from the crushing cutter body, of the second T-shaped block and the end of the second T-shaped groove.

Furthermore, the bottom of the crushing box is provided with a swinging device, the swinging device comprises a second motor, a placing frame, a lead screw, a moving seat, a rack, a central gear, a left travel switch, a right travel switch, a left touch rod and a right touch rod, the placing frame is fixedly arranged on the base, the lead screw is arranged in the placing frame, one end of the lead screw penetrates through the placing frame and is connected with the output end of the second motor, the moving seat is sleeved on the lead screw and is rotatably connected with a supporting column, the supporting column is sleeved with the central gear, the rack is arranged on the inner side of the placing frame at the position corresponding to the central gear, the central gear is meshed with the rack, the left touch rod and the right touch rod are respectively arranged on the left side and the right side of the moving seat, the left end of the placing frame at the position corresponding to the left touch rod is provided with the left travel switch, the right end of the placing frame at the position corresponding to the right touch rod is provided, the moving seat between the moving seat and the contact surface of the base is provided with a bulge, and the bulge is arranged in the guide groove.

Compared with the prior art, the invention has the advantages that: the straws can be flattened under the action of the squeezing rollers and conveyed to the bottom of the feeding box, so that the straws are easy to crush; the movable cutter body can be abutted against the fixed cutter body to cut the straws into sections, the cut straws can enter the discharging body, the discharging body swings around the feeding box as the center, and the cut straws can be discharged into the crushing box in the swinging process to avoid blockage; the oscillating bar, the pressing body and the top seat form a triangle, so that the stability of the crushing cutter body can be improved; the second motor can drive the positive and negative rotation in turn of lead screw, and lead screw drive removes the seat and removes, removes the seat and can drive the support column, and the support column drives broken case because the central gear that the cover was equipped with on the support column with place the rack toothing on the frame to corresponding meeting when the support column was removed and is rotated, broken case also can corresponding rotation, makes the straw position of broken case change, can improve crushing efficiency.

Drawings

FIG. 1 is a front sectional view showing the structure of a first embodiment of a straw crushing device for livestock breeding according to the present invention.

Fig. 2 is a schematic view of an enlarged structure in the direction a of the straw crushing device for livestock breeding shown in fig. 1.

FIG. 3 is a right side view of the straw chopper of FIG. 1, showing only the feed tank and the discharge body.

FIG. 4 is a schematic right sectional view of the straw shredder shown in FIG. 1 for livestock breeding, wherein only a feed box is shown.

FIG. 5 is a schematic front sectional view of a second embodiment of the straw crushing device for livestock breeding according to the invention.

Fig. 6 is a schematic view of a B-direction enlarged structure of the straw crushing device for livestock breeding shown in fig. 5.

FIG. 7 is a front sectional view showing the structure of a third embodiment of the straw crushing device for livestock breeding according to the present invention.

In the figure, 1, a base, 2, a support plate, 3, a top seat, 4, a feeding box, 5, a first rotating shaft, 6, a first motor, 7, a first driving gear, 8, a cam, 9, an auxiliary rotating shaft, 10, a second driving gear, 11, an extrusion roller, 12, a gathering plate, 13, a fixed cutter body, 14, a crankshaft part, 15, a worm rod part, 16, a connecting rod, 17, a pressing body, 18, a crushing cutter body, 19, a crushing box, 20, a supporting column, 21, a worm wheel, 22, a second rotating shaft, 23, an eccentric rod, 24, a linear pushing body, 25, a strip through hole, 26, a movable cutter body, 27, a discharging body, 28, a fixed seat, 29, a pressure bearing seat, 30, a first pushing rod, 31, a second pushing rod, 32, a first return spring, 33, a first T-shaped block, 34, a first T-shaped groove, 35, a second T-shaped block, 36, a second return spring, 37, 38, a second swing rod, 39. the second motor, 40, a placing frame, 41, a lead screw, 42, a moving seat, 43, a rack, 44, a central gear, 45, a left travel switch, 46, a right travel switch, 47, a left touch rod, 48, a right touch rod, 49, a guide groove and 50, wherein the guide groove is arranged on the left side of the left travel switch, and the guide groove is arranged on the right side of the right travel switch.

Detailed Description

The following examples are intended to further illustrate the present invention and should not be construed as limiting the scope of the invention, and other insubstantial modifications and adaptations of the invention by those skilled in the art based on the teachings herein are intended to be covered thereby.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

a straw crushing device for livestock breeding comprises a base 1, a side supporting plate 2 and a top seat 3, wherein the left end of the top of the base 1 is fixedly connected with the side supporting plate 2, the top seat 3 is fixedly connected on the side supporting plate 2 above the base 1, the right end of the top seat 3 is provided with a feeding box 4, the side supporting plate 2 above the top seat 3 is provided with a first rotating shaft 5, one end of the first rotating shaft 5 penetrates through the side supporting plate 2, the other end of the first rotating shaft 5 penetrates through the feeding box 4, the end part of the first rotating shaft 5 penetrating through the side supporting plate 2 is connected with the output end of a first motor 6, the end part of the first rotating shaft 5 penetrating through the feeding box 4 is sequentially sleeved with a first driving gear 7 and a cam 8, the position corresponding to the first rotating shaft 5 arranged in the cavity of the feeding box 4 is provided with an auxiliary rotating shaft 9, one end of the auxiliary rotating shaft 9 penetrates through the feeding box 4 and is sleeved with a second, the first rotating shaft 5 and the auxiliary rotating shaft 9 which are arranged in the cavity of the feeding box 4 are both sleeved with an extruding roller 11, the inner side part of the cavity of the feeding box 4 above the extruding roller 11 is provided with a gathering plate 12, the inner side part of the cavity of the feeding box 4 below the extruding roller 11 is provided with a fixed cutter body 13, the first rotating shaft 5 above the top seat 3 is provided with a crankshaft part 14 and a worm part 15, the crankshaft part 14 is sleeved with a connecting rod 16, the connecting rod 16 is hinged on a pressure applying body 17, the pressure applying body 17 penetrates through the top seat 3 and is provided with a crushing cutter body 18 at the end part, the base 1 at the corresponding position of the crushing cutter body 18 is provided with a crushing box 19, the crushing box 19 is supported by a supporting column 20, the worm part 15 is meshed with a worm wheel 21, the worm wheel 21 is sleeved on a second rotating shaft 22, the second rotating shaft 22 is arranged on the top seat 3 under the action of a bearing seat, the side part, the straight pushing body 24 is sleeved on the eccentric rod 23 through a strip through hole 25, one end of the straight pushing body 24 is provided with a movable cutter body 26, the movable cutter body 26 is arranged on the feeding box 4 in an extending mode and matched with the fixed cutter body 13, the bottom of the feeding box 4 is hinged with a material discharging body 27, the outlet of the material discharging body 27 is arranged above the crushing box 19 in an extending mode, the side portion of the feeding box 4 is provided with a material discharging device, the material discharging device comprises a fixed seat 28, a pressure bearing seat 29, a first pushing rod 30, a second pushing rod 31, a first return spring 32 and a first T-shaped block 33, the fixed seat 28 is fixedly connected to the side portion of the feeding box 4, the first pushing rod 30 penetrates through the fixed seat 28, the end portion of the first pushing rod 30 arranged at the top of the fixed seat 28 is provided with the pressure bearing seat 29, the first return spring 32 is sleeved on the first pushing rod 30 between the pressure bearing seat 29 and the fixed seat, the second push rod 31 extends to the bottom of the material discharging body 27, a first T-shaped groove 34 is formed in the bottom of the material discharging body 27 at the corresponding position, a first T-shaped block 33 is arranged in the first T-shaped groove 34, and the second push rod 31 is hinged to the first T-shaped block 33.

Example two:

The top seat 3 is provided with a positioning device, the positioning device comprises a second T-shaped block 35, a second return spring 36 and a swing rod 37, the bottom of the top seat 3 is provided with a second T-shaped groove 38, the second T-shaped block 35 is arranged in the second T-shaped groove 38, the swing rod 37 is hinged to the second T-shaped block 35, the swing rod 37 is hinged to the pressing body 17 and is close to the position of the crushing cutter body 18, and the second return spring 36 is arranged in the second T-shaped groove 38 between one end of the second T-shaped block 35, far away from the crushing cutter body 18, and the end of the second T-shaped groove 38.

Example three:

The bottom of the crushing box 19 is provided with a swinging device, the swinging device comprises a second motor 39, a placing frame 40, a screw rod 41, a moving seat 42, a rack 43, a central gear 44, a left travel switch 45, a right travel switch 46, a left touch rod 47 and a right touch rod 48, the placing frame 40 is fixedly arranged on the base 1, the screw rod 41 is arranged in the placing frame 40, one end of the screw rod 41 penetrates through the placing frame 40 and is connected with the output end of the second motor 39, the moving seat 42 is sleeved on the screw rod 41, the moving seat 42 is rotatably connected with the supporting column 20, the supporting column 20 is sleeved with the central gear 44, the rack 43 is arranged on the inner side of the placing frame 40 at the position corresponding to the central gear 44, the central gear 44 is meshed with the rack 43, the left touch rod 47 and the right touch rod 48 are respectively arranged on the left side and the right side of the moving seat 42, the left travel switch 45 is arranged at the left end of the placing frame 40 at the position corresponding to the left, a guide groove 49 is arranged on the base 1 between the contact surfaces of the moving seat 42 and the base 1, a protrusion 50 is arranged on the moving seat 42 between the contact surfaces of the moving seat 42 and the base 1, and the protrusion 50 is arranged in the guide groove 49.

The working principle of the invention is as follows:

when the straw feeding device works, the first motor 6 is started firstly, the first motor 6 can drive the first rotating shaft 5 to rotate, the first rotating shaft 5 drives the first driving gear 7 and the cam 8 to synchronously rotate, the first driving gear 7 is meshed with the second driving gear 10, the second driving gear 10 can drive the auxiliary rotating shaft 9 to rotate, the first rotating shaft 5 and the auxiliary rotating shaft 9 which are arranged in the feeding box 4 can drive the extrusion roller 11 on the first rotating shaft 5 to operate, straws are fed into the feeding box 4 and can be flattened under the action of the extrusion roller 11 and conveyed to the bottom of the feeding box 4, the first rotating shaft 5 rotates, the crankshaft part 14 and the driving connecting rod 16 and the worm wheel 21 which correspond to the worm part 15 are arranged on the first rotating shaft, the worm part 15 can drive the worm wheel 21 to drive the eccentric rod 23, the eccentric rod 23 can drive the linear pushing body 24 to move left and right, the linear pushing body 24 drives the movable cutter body 26 to extend into the feeding box 4, and the movable, the straw is cut into sections, the cut straw can enter the material discharging body 27, the cam 8 rotates to be capable of abutting against the pressure bearing seat 29 and pushing the pressure bearing seat 29 downwards, the pressure bearing seat 29 can push the first push rod 30, the first push rod 30 pushes the second push rod 31, the second push rod 31 pushes the first T-shaped block 33 to slide in the first T-shaped groove 34 at the bottom of the material discharging body 27, one end of the material discharging body 27 is connected to the bottom of the material charging box 4, so that the material discharging body 27 swings around the material charging box 4 as the center, the cut straw can be discharged into the crushing box 19 in the swinging process, blockage is avoided, the crankshaft part 14 can drive the connecting rod 16 to push the pressing body 17 to move up and down on the top seat 3, and the pressing body 17 can drive the crushing cutter body 18 to crush the straw in the crushing box 19.

Because the bottom of the top seat 3 is provided with the positioning device, when the pressing body 17 drives the crushing cutter body 18 to extend into the crushing box 19, the second return spring 36 can push the second T-shaped block 35 to slide in the second T-shaped groove 38, so that the swing rod 37 moves along with the pressing body 17, the stability of the crushing cutter body 18 can be improved, and in addition, the swing rod 37, the pressing body 17 and the top seat 3 form a triangle, so that the stability is stronger.

Because the bottom of the crushing box 19 is provided with the swinging device, the supporting column 20 at the bottom of the crushing box 19 is rotationally connected to the moving seat 42, the second motor 39 is started, the second motor 39 can drive the screw 41 to rotate in a positive and negative alternating manner, the screw 41 drives the moving seat 42 to move, the moving seat 42 can drive the supporting column 20, the supporting column 20 drives the crushing box 19, because the central gear 44 sleeved on the supporting column 20 is meshed with the rack 43 on the placing frame 40, the supporting column 20 correspondingly rotates while moving leftwards and rightwards, the crushing box 19 correspondingly rotates, the straw position of the crushing box 19 is changed, the crushing efficiency can be improved, the moving seat 42 moves leftwards, when the left touch rod 47 on the moving seat 42 is in contact with the left travel switch 45, the second motor 39 rotates forwards, the moving seat 42 moves rightwards, when the right touch rod 48 on the moving seat 42 is in contact with the right travel switch 46, the second motor 39 rotates, the movable seat 42 moves leftwards, so that the operator does not need to start the first motor 6 to rotate forwards and backwards alternately, and time and labor are saved.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a straw breaker for livestock-raising which characterized in that: comprises a base (1), a side supporting plate (2) and a top seat (3), wherein the left end of the top of the base (1) is fixedly connected with the side supporting plate (2), the top seat (3) is fixedly connected with the side supporting plate (2) above the base (1), a feeding box (4) is arranged at the right end of the top seat (3), a first rotating shaft (5) is arranged on the side supporting plate (2) above the top seat (3), one end of the first rotating shaft (5) penetrates through the side supporting plate (2), the other end of the first rotating shaft (5) penetrates through the feeding box (4), the end part of the first rotating shaft (5) penetrating through the side supporting plate (2) is connected with the output end of a first motor (6), a first driving gear (7) and a cam (8) are sequentially sleeved at the end part of the first rotating shaft (5) penetrating through the feeding box (4), an auxiliary rotating shaft (9) is arranged at the position, corresponding to the first rotating shaft (5) in the cavity of the feeding box, auxiliary shaft (9) wherein one end runs through throw workbin (4) and be equipped with second drive gear (10) at the tip cover, second drive gear (10) meshing first drive gear (7) are arranged in throw workbin (4) intracavity first pivot (5) with all overlap on auxiliary shaft (9) and be equipped with squeeze roll (11), squeeze roll (11) top throw workbin (4) intracavity lateral part and be equipped with and gather together board (12), squeeze roll (11) below throw workbin (4) intracavity lateral part and be equipped with fixed cutter body (13), footstock (3) top be equipped with crankshaft portion (14) and worm portion (15) on first pivot (5), the cover is equipped with connecting rod (16) on crankshaft portion (14), connecting rod (16) articulate on body of exerting pressure (17), body of exerting pressure (17) run through footstock (3), and the end part is provided with a crushing cutter body (18), the crushing cutter body (18) is arranged on the base (1) corresponding to the position, the crushing box (19) is supported by a support column (20), the worm rod part (15) is meshed with a worm wheel (21), the worm wheel (21) is sleeved on a second rotating shaft (22), the second rotating shaft (22) is arranged on the top seat (3) under the action of a bearing seat, the side part of the worm wheel (21) is provided with an eccentric rod (23), the eccentric rod (23) can drive a linear pushing body (24), the linear pushing body (24) is provided with a long through hole (25), the linear pushing body (24) is sleeved on the eccentric rod (23) through the long through hole (25), one end of the linear pushing body (24) is provided with a movable cutter body (26), the movable cutter body (26) extends to be arranged in the feeding box (4) and is matched with the fixed cutter body (13), the bottom of the feeding box (4) is hinged with a material discharging body (27), an outlet of the material discharging body (27) extends to be arranged above the crushing box (19), a material discharging device is arranged on the side portion of the feeding box (4), the material discharging device comprises a fixed seat (28), a pressure bearing seat (29), a first push rod (30), a second push rod (31), a first return spring (32) and a first T-shaped block (33), the fixed seat (28) is fixedly connected to the side portion of the feeding box (4), the first push rod (30) penetrates through the fixed seat (28), the end portion of the first push rod (30) arranged at the top of the fixed seat (28) is provided with the pressure bearing seat (29), the first return spring (32) is sleeved on the first push rod (30) between the pressure bearing seat (29) and the fixed seat (28), and the end portion of the first push rod (30) arranged at the bottom of the fixed seat (28) is connected with the second push rod (31), the second push rod (31) extends to the bottom of the material discharging body (27), a first T-shaped groove (34) is formed in the bottom of the material discharging body (27) at the corresponding position, a first T-shaped block (33) is arranged in the first T-shaped groove (34), and the second push rod (31) is hinged to the first T-shaped block (33).

2. The straw crushing device for livestock breeding according to claim 1, characterized in that: the novel crushing cutter is characterized in that a positioning device is arranged on the top seat (3), the positioning device comprises a second T-shaped block (35), a second return spring (36) and a swing rod (37), a second T-shaped groove (38) is formed in the bottom of the top seat (3), the second T-shaped block (35) is arranged in the second T-shaped groove (38), the swing rod (37) is hinged to the second T-shaped block (35), the swing rod (37) is hinged to the pressing body (17) and is close to the position of the crushing cutter body (18), and the second T-shaped block (35) is far away from one end of the crushing cutter body (18) and the second return spring (36) arranged in the second T-shaped groove (38) between the end portions of the second T-shaped groove (38).

3. The straw crushing device for livestock breeding according to claim 2, characterized in that: the crushing box (19) is provided with a swinging device at the bottom, the swinging device comprises a second motor (39), a placing frame (40), a lead screw (41), a moving seat (42), a rack (43), a central gear (44), a left travel switch (45), a right travel switch (46), a left touch rod (47) and a right touch rod (48), the placing frame (40) is fixedly installed on the base (1), the lead screw (41) is arranged in the placing frame (40), one end of the lead screw (41) penetrates through the placing frame (40) and is connected with the output end of the second motor (39), the lead screw (41) is sleeved with the moving seat (42), the moving seat (42) is rotatably connected with the supporting column (20), the supporting column (20) is sleeved with the central gear (44), the rack (43) is arranged on the inner side of the placing frame (40) at the position corresponding to the central gear (44), central gear (44) with rack (43) meshing, the left and right sides that removes seat (42) is equipped with left touch pole (47) and right touch pole (48) respectively, left side touch pole (47) correspond the position place frame (40) left end is equipped with left travel switch (45), right side touch pole (48) correspond the position place frame (40) right-hand member is equipped with right travel switch (46), remove seat (42) with between base (1) the contact surface be equipped with direction recess (49) on base (1), remove seat (42) with between base (1) the contact surface be equipped with protruding (50) on removing seat (42), protruding (50) are arranged in direction recess (49).