CN110419338B - An agricultural straw chopper with secondary crushing function - Google Patents

Abstract

The invention discloses an agricultural straw chopper with a secondary crushing function, and relates to the technical field of agricultural machinery. The agricultural straw shredder with secondary crushing function includes a frame, a storage bucket is fixedly installed on the top of the frame, and a discharge opening through the bottom of the storage bucket is provided on one side of the inner bottom of the storage bucket. A shredding box is fixedly installed at the bottom of the bucket, and the shredding box is located below the feeding port and communicates with the feeding port. The left side of the crusher is provided with a discharge port that communicates with its own inner cavity. The agricultural straw shredder with secondary crushing function is based on the longitudinal shredding direction of the shredder body, and at the same time cooperates with the finishing mechanism to ensure the auxiliary effect of the horizontal placement of the straw in the storage bucket, so that the straw is always placed horizontally. It can fully cooperate with the shredder body for longitudinal shredding to achieve the shredding effect of the intersection of the material and the shredding roller.

Description

An agricultural straw chopper with secondary crushing function

technical field

The invention relates to the technical field of agricultural machinery, in particular to an agricultural straw chopper with a secondary crushing function.

Background technique

Straw is a general term for the stem and leaf (ear) parts of mature crops. Usually refers to the remainder of wheat, rice, corn, potatoes, rape, cotton, sugar cane and other crops (usually coarse grains) after the seeds are harvested. More than half of the products of crop photosynthesis exist in straw, which is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter, etc. It is a multi-purpose renewable biological resource. It is characterized by high crude fiber content (30%-40%), and contains lignin and so on. Although lignocellulose cannot be utilized by pigs and chickens, it can be absorbed and utilized by livestock such as ruminants, cattle and sheep. In the process of realizing feed reuse, the straw needs to be crushed first, so as to ensure that its particle size tends to be finer, so as to facilitate subsequent deep processing. Most of the common straw pulverizers use multi-stage pulverization to pulverize the straw. In the process of mass straw feeding, the horizontal position of the straw itself is an uncontrollable factor. If the direction of itself is consistent with that of the pulverizer, it is easy to cause the straw itself to be unable to be effectively subjected to the shearing force of the pulverizer, thereby affecting the pulverization effect, resulting in material leakage. In the process of completing the conveying of materials at all levels, the direction of the material also lacks controllable treatment. Therefore, it is necessary to effectively control the direction of the straw itself to match the crushing direction of the pulverizer, so as to improve the ability of each part of the straw to be fully sheared and pulverized. Effect.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the present invention provides an agricultural straw shredder with a secondary shredding function, which can effectively ensure that the shredder whose shredding direction is longitudinal can obtain the coordination of the straw placement direction during the working process, thereby improving the Chop evenly.

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: an agricultural straw shredder with a secondary crushing function, including a frame, the top of the frame is fixedly installed with a storage bucket, and the storage bucket is One side of the inner bottom is provided with a feeding opening that runs through its bottom, and a shredding box is fixedly installed at the bottom of the storage bucket, and the shredding box is located below the feeding opening and communicated with the feeding opening, and the bottom of the shredding box is connected to the The feed port of the second-stage shredder is connected, the left side of the second-stage shredder is provided with a discharge port that communicates with its own cavity, and a second-stage shredder is movably installed in the feed port of the second-stage shredder. Crushing roller, a second motor is fixedly installed on the left side of the second-stage shredder, and the output shaft of the second motor runs through the left side of the second-stage shredder and is fixedly connected with one end of the second shredding roller, so as to achieve The material discharged through the shredding box is smashed for the second time, and the shredding roller is movably installed in the feeding port. The left end of the shredding roller penetrates the left side of the shredding box and is fixedly connected with the output shaft of the first motor. The first motor is fixed It is installed in the frame, and the bottom end of the transmission belt is sleeved on the output shaft of the first motor, the outer edge of the inner bottom of the storage bucket is fixedly connected with a ball shaft, and the top of the inner ring of the ball shaft is fixedly connected with a rotating wall The bottom of the rotating wall is symmetrically connected to the front and rear sides of the inner wall of the rotating wall, and two pushing plates are fixedly connected. The middle of the bottom of the storage bucket is fixedly installed with a geared motor, and the output shaft of the geared motor runs through the inner bottom of the storage bucket and is fixedly installed. There is a finishing mechanism, and a pre-cutting mechanism is arranged on the inner left wall of the discharge port.

Preferably, the finishing mechanism includes a rotating plate, a push ball, a fixed rod, a connecting rod, an anti-wrapping ball, a rotating part, a curved groove and a carding needle, and the middle part of the bottom of the rotating plate is sleeved on the output shaft of the deceleration motor, and several push balls It is equidistantly embedded in the front and rear sides of the rotating plate in a row shape. Pushing the shape of the sphere can effectively stagger the straw in contact with the rotating plate, so as to prevent the straw from tangling at the edges and corners of the front and rear sides of the rotating plate. The rotation causes the influence. The bottom end of the fixed rod is welded to the middle of the top of the turning plate, and the tops of the left and right sides of the fixed rod are welded with two connecting rods in a clockwise direction. The spherical shape design can effectively stagger the straws in contact with the connecting rods, thus avoiding the situation that the straws are tangled on the connecting rods and affect the normal cutting. The opposite ends of the two connecting rods are fixedly connected with rotating parts , and the tops of the two rotating parts are provided with curved grooves, and a plurality of carding needles are fixedly connected in the curved grooves in a row-like and equidistant manner.

Preferably, the end of the carding needle away from the curved groove extends to the front side of the rotating member, and the carding needle is kept parallel to the inner bottom of the storage bucket. Through such a structural design, the carding needle can take the lead in contacting the straw with the straw compared to the curved groove. Therefore, the tangled straw can be gradually combed and distributed through its row-like structure design, and when the straw is in contact with the curved groove, the inner wall of the curved groove is designed to gradually make contact with it. The force-based interaction of the straw is pushed horizontally.

Preferably, the left and right sides of the rotating plate are welded to the bottoms on the left and right sides of the inner wall of the rotating wall, respectively, and the distance between the bottom of the push ball and the inner bottom of the storage bucket is one centimeter. During the rotation process, the rotating wall can be driven to rotate on the top of the ball shaft, and the pushing plate connected with the rotating wall can be driven to rotate. The effect of auxiliary blanking and crushing, the design of the distance between the bottom of the pushing ball and the inner bottom of the storage bucket can effectively avoid the friction between the pushing ball and the inner bottom of the storage bucket during the rotation of the rotating plate, thus effectively guaranteeing Turn the board and push the ball to work properly.

Preferably, the pre-cutting mechanism includes a turning bar, an intercepting blade, a cutting blade and a sawtooth bar, the bottom end of the turning bar is movably connected to the inner left wall of the shredding box through an interpenetrating pin shaft, and the top end of the turning bar penetrates the blanking material The top of the mouth extends into the storage bucket, one end of the pin shaft penetrates the left side of the shredding box and is sleeved with the top of the transmission belt. The number of intercepting blades is three, and the three intercepting blades are fixed at equal distances in the counterclockwise direction. Connected to the top of the swivel bar, two cutting blades are welded on the left side of the inner front wall of the discharge opening, and the tops of the cutting blades are fixedly connected with serrated bars. The amount of straw grasped during the process, and the rotation period of the turntable and the rotation period of the turntable are staggered, so as to avoid collision with the turntable when the turntable rotates into the storage bucket. Further, the turntable rotates When it reaches the storage bucket, the top level is lower than the bottom level of the turning plate. The special design of the sawtooth on the top of the cutting blade further improves the cutting effect of the cutting blade when the cutting blade is matched with the intercepting blade.

Preferably, the cutting blade is curved, and the midpoint of the connecting line between the two cutting blades and the midpoint of the side surface of the intercepting blade are located on the same longitudinal plane. Such a position design makes the intercepting blade rotate while carrying the straw. It can be brought between the two cutting blades to cut the straw based on the interaction of forces.

The invention provides an agricultural straw shredder with a secondary shredding function. Has the following beneficial effects:

(1) The agricultural straw shredder with secondary crushing function is based on the longitudinal shredding direction of the shredder body, and at the same time cooperates with the finishing mechanism to ensure the auxiliary effect of horizontal placement of the straw when it is located in the storage bucket, so that the The horizontally placed straw can fully cooperate with the vertical chopper body to achieve the cutting effect of intersecting the material with the chopper roller, so as to ensure that the entire straw can be evenly affected by shear force and chopped to the greatest extent. Combined with the secondary crushing effect of the shredder, the crushing rate of straw is further improved, and the workload of subsequent recycling processing is greatly reduced.

(2) In this agricultural straw shredder with secondary crushing function, the straw is set by the pre-cutting mechanism before the first crushing process, so that the pre-cutting mechanism can pre-cut the straw that is about to enter the shredding roller in advance. Cutting to avoid the occurrence of material jams in the feeding opening caused by the straw being too long, to ensure that the straw can smoothly enter the chopping roller for the first pulverization, which effectively guarantees the continuous progress of the chopping work, and avoids the downtime caused by the jammed material. Problems to the processing progress arise.

(3) The agricultural straw shredder with secondary crushing function is based on the cooperation between the finishing mechanism and the pre-cutting mechanism, so that the straw itself is in a horizontal state before the cutting process, which is conducive to the pre-cutting process of the straw. The pre-cutting process reduces the length of the straw and is subjected to the secondary crushing effect, so that it is actually subjected to the third crushing process, which greatly improves the crushing degree of the straw.

Description of drawings

Fig. 1 is the isometric perspective schematic diagram of the present invention;

Fig. 2 is the bottom three-dimensional schematic diagram of the present invention;

Fig. 3 is the isometric reverse perspective schematic diagram of the present invention;

Fig. 4 is the top view of the present invention;

Fig. 5 is the left side view of the present invention;

Fig. 6 is an enlarged view of the structure at A place in Fig. 1 of the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 3 of the present invention.

In the picture: 1 rack, 2 storage barrels, 3 feeding openings, 4 shredding boxes, 5 second-stage shredders, 6 rotating walls, 7 pushing plates, 8 geared motors, 9 finishing mechanisms, 91 rotating plates , 92 push ball, 93 fixed rod, 94 connecting rod, 95 anti-wrap ball, 96 rotating piece, 97 curved groove, 98 carding needle, 101 rotating bar, 102 intercepting blade, 103 cutting blade, 104 sawtooth strip.

Detailed ways

The technical solutions 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

Examples of such embodiments are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

1-7, the present invention provides a technical solution: an agricultural straw shredder with a secondary crushing function, including a frame 1, a storage bucket 2 is fixedly installed on the top of the frame 1, and the storage One side of the inner bottom of the material barrel 2 is provided with a feeding port 3 that penetrates the bottom of the material barrel 2. The bottom of the material storage barrel 2 is fixedly installed with a shredding box 4, and the shredding box 4 is located below the feeding port 3 and is connected with the feeding port. 3 is connected, the bottom of the shredding box 4 is connected with the feeding port of the second-stage shredder 5, the shredding roller is movably installed in the feeding port 3, and the left side of the second-stage shredder 5 The discharge port is connected to the cavity, and the second chopper roller is movably installed in the feed port of the second-stage chopper 5, and the second motor is fixedly installed on the left side of the second-stage chopper 5, and the second motor is installed. The output shaft runs through the left side of the second-stage shredder 5 and is fixedly connected with one end of the second shredding roller, so as to achieve secondary shredding of the materials discharged through the shredding box 4. A ball shaft is fixedly connected to the edge, and the top of the inner ring of the ball shaft is fixedly connected to the bottom of the rotating wall 6. The front and rear sides of the inner wall of the rotating wall 6 are symmetrically connected with two pushing plates 7, and the bottom of the storage bucket 2 is fixedly connected. A reduction motor 8 is fixedly installed in the middle of the lower part, and the output shaft of the reduction motor 8 penetrates the inner bottom of the storage bucket 2 and is fixedly installed with a sorting mechanism 9 .

The finishing mechanism 9 includes a rotating plate 91, a push ball 92, a fixed rod 93, a connecting rod 94, an anti-winding ball 95, a rotating member 96, a curved groove 97 and a carding needle 98. On the shaft, several push balls 92 are embedded in the front and rear sides of the rotating plate 91 in a row shape at equal distances. The distance between the inner bottoms of the bucket 2 is one centimeter, the bottom end of the fixing rod 93 is welded to the middle of the top of the rotating plate 91, and the tops of the left and right sides of the fixing rod 93 are welded with two connecting rods 94 in a clockwise direction. The middle of the connecting rod 94 is sheathed with an anti-winding ball 95, the opposite ends of the two connecting rods 94 are fixedly connected with a rotating member 96, and the tops of the two rotating members 96 are provided with curved grooves 97, and a plurality of combing needles 98 are arranged in a row. The carding needle 98 is fixedly connected in the curved groove 97 at an equal distance, and the end of the carding needle 98 away from the curved groove 97 extends to the front side of the rotating member 96, and the carding needle 98 is kept parallel to the inner bottom of the storage bucket 2. Based on the longitudinal direction of the shredder body At the same time, it cooperates with the finishing mechanism to ensure that the straw is placed in the horizontal direction when it is in the storage bucket, so that the straw that is always placed horizontally can fully cooperate with the chopper body that is chopped vertically, so as to achieve the intersection of the material and the chopper roller. The shredding effect of the shredder ensures that the entire straw can be evenly and maximally affected by the shear force and chopped. At the same time, with the secondary pulverization effect of the chopper, the straw shredding rate is further improved, and the subsequent reuse The work load during processing is greatly reduced.

The pre-cutting mechanism includes a turning bar 101, an intercepting blade 102, a cutting blade 103 and a saw tooth bar 104. The bottom end of the turning bar 101 is movably connected to the inner left wall of the shredding box 4 through a pin shaft, and the top end of the turning bar 101 penetrates The top of the feeding port 3 extends into the storage barrel 2, the number of intercepting blades 102 is three, and the three intercepting blades 102 are fixedly connected to the top of the turn bar 101 at equal distances in the counterclockwise direction, and two cutting blades 103 It is a group welded on the left side of the inner front wall of the discharge opening 3, and the top of the cutting blade 103 is fixedly connected with a sawtooth 104, the cutting blade 103 is curved, and the midpoint of the connecting line between the two cutting blades 103 The midpoint of the side of the intercepting blade 102 is located on the same longitudinal plane, and the arrangement of the plurality of intercepting blades 102 effectively improves the amount of straw that the rotary bar 101 grasps during the rotation process. The rotation periods are staggered from each other, so as to avoid collision with the rotating plate 91 when the rotating bar 101 rotates into the storage bucket 2. Further, when the rotating bar 101 rotates into the storage bucket 2, the level of the top of the top is lower than that of the rotating plate. The horizontal height of the bottom of 91 is further improved by the special design of the serrated strips 104 on the top of the cutting blade 103 to further improve the cutting effect of the cutting blade 103 and the intercepting blade 102 on the straw. The coordinated setting enables the pre-cutting mechanism to pre-cut the straw that is about to enter the chopping roller, so as to avoid the situation that the straw is too long to cause the material jam in the feeding opening 3, and ensure that the straw can smoothly enter the chopping roller for the first The secondary crushing effectively guarantees the continuous progress of the shredding work, and avoids the problem of downtime due to material jamming and affecting the processing progress. Based on the cooperation of the finishing mechanism 9 and the pre-cutting mechanism, the straw itself is oriented in the position before the cutting process. The horizontal state is favorable for pre-cutting the straw, and the straw after reducing the length is subjected to the secondary crushing effect, so that it is actually subjected to three crushing processing, which greatly improves the crushing degree of the straw.

When in use, put the straw into the storage bucket 2, drive the shredding roller to rotate through the operation of the first motor, at the same time drive the second stage shredder 5 through the operation of the second motor, and drive the rotating plate 91 to rotate through the operation of the deceleration motor 8, And make the rotating plate 91 drive the rotating wall 6 to rotate on the ball shaft, thereby driving the pushing plate 7 to rotate and continuously push the straw to the feeding port 3, the first motor drives the rotating bar 101 to rotate through the transmission belt during the operation, and makes The intercepting blade 102 brings the straw that moves above the feeding opening 3 into the feeding opening 3, and brings the part of the straw to the cutting blade 103, so that the straw is cut between the intercepting blade 102 and the cutting blade 103, thereby falling into the cutting blade 103. The shredding box 4 is crushed by the shredding roller, and after crushing, it falls into the second-stage shredder 5 through the shredding box 4 and is crushed again. When the rotating plate 91 rotates, the vertical straw is pushed horizontally by the pushing ball 92 At the same time, the connecting rod 94 and the rotating member 96 are driven to rotate by the fixed rod 93. During the rotation, the spherical surface of the anti-winding ball 95 prevents the straw from being entangled on the connecting rod 94. When the straw is in contact with the rotating member 96, it is the first to be separated by the combing needle 98. , and is pushed to the horizontal in the process of gradually contacting the curved groove 97, so that the straw falling into the feeding port 3 is in horizontal contact with the shredding roller whose rotation direction is longitudinal, and thus is fully subjected to shearing force.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (3)

1. An agricultural straw shredder with a secondary crushing function, comprising a frame (1), characterized in that: a storage bucket (2) is fixedly installed on the top of the frame (1), and the storage bucket is (2) One side of the inner bottom is provided with a feeding port (3) that penetrates through its bottom, and a shredding box (4) is fixedly installed on the bottom of the storage bucket (2), and the shredding box (4) is located at the feeding port The bottom of (3) is connected with the feeding port (3), the bottom of the shredding box (4) is connected with the feeding port of the second-stage shredder (5), and the feeding port (3) is movably installed with a cutting Crushing roller, the outer edge of the inner bottom of the storage bucket (2) is fixedly connected with a ball shaft, and the top of the inner ring of the ball shaft is fixedly connected with the bottom of the rotating wall (6), the front and rear sides of the inner wall of the rotating wall (6) Two pushing plates (7) are fixedly connected in a symmetrical shape, a geared motor (8) is fixedly installed in the middle of the bottom of the storage bucket (2), and the output shaft of the geared motor (8) penetrates through the bottom of the storage bucket (2). A finishing mechanism (9) is fixedly installed at the inner bottom, and a pre-cutting mechanism is arranged on the inner left wall of the feeding opening (3); The sorting mechanism (9) includes a rotating plate (91), a push ball (92), a fixing rod (93), a connecting rod (94), an anti-winding ball (95), a rotating member (96), and a curved groove (97) and the carding needle (98), the middle part of the bottom of the rotating plate (91) is sleeved on the output shaft of the deceleration motor (8), and a plurality of pushing balls (92) are embedded in the front and rear sides of the rotating plate (91) in a row and equidistant. , the bottom end of the fixing rod (93) is welded to the middle of the top of the turning plate (91), and the tops of the left and right sides of the fixing rod (93) are welded with two connecting rods (94) in a clockwise direction, and the connecting rods (94) An anti-winding ball (95) is set in the middle of the two connecting rods (94), a rotating member (96) is fixedly connected to the opposite ends of the two connecting rods (94), and a curved groove (97) is opened on the top of the two rotating members (96). , a plurality of carding needles (98) are fixedly connected in the curved groove (97) in a row-like equidistant, the end of the carding needles (98) away from the curved groove (97) extends to the front side of the rotating member (96), and the carding needles (98) are The needle (98) is kept parallel to the inner bottom of the storage bucket (2), and the left and right sides of the rotating plate (91) are respectively welded with the bottom of the left and right sides of the inner wall of the rotating wall (6) to push the bottom of the ball (92). The distance from the inner bottom of the storage bucket (2) is one centimeter. 2 . The agricultural straw chopper with secondary crushing function according to claim 1 , wherein the pre-cutting mechanism comprises a turning bar ( 101 ), an intercepting blade ( 102 ), and a cutting blade ( 103 ). 3 . and the sawtooth bar (104), the bottom end of the turning bar (101) is movably connected to the inner left wall of the shredding box (4) through the interpenetrating pin shaft, and the top end of the turning bar (101) penetrates through the bottom of the feeding opening (3). The top extends into the storage bucket (2), the number of intercepting blades (102) is three, and the three intercepting blades (102) are fixedly connected to the top of the turn bar (101) at equal distances in the counterclockwise direction, cutting the blades (103) A set of two is welded on the left side of the inner front wall of the discharge opening (3), and the tops of the cutting blades (103) are fixedly connected with serrated strips (104). 3. The agricultural straw shredder with secondary crushing function according to claim 2, wherein the cutting blade (103) is curved, and the connecting line between the two cutting blades (103) The midpoint of the intercepting blade (102) is located on the same longitudinal plane.

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