CN113597891B - High-density bundling pre-compression device and high-density bundling device - Google Patents
High-density bundling pre-compression device and high-density bundling device Download PDFInfo
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- CN113597891B CN113597891B CN202110958928.0A CN202110958928A CN113597891B CN 113597891 B CN113597891 B CN 113597891B CN 202110958928 A CN202110958928 A CN 202110958928A CN 113597891 B CN113597891 B CN 113597891B
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- rack
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F15/00—Baling presses for straw, hay or the like
- A01F15/04—Plunger presses
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F15/00—Baling presses for straw, hay or the like
- A01F15/04—Plunger presses
- A01F15/042—Plungers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F15/00—Baling presses for straw, hay or the like
- A01F15/08—Details
Abstract
The invention discloses a high-density bundling pre-compression device and a high-density bundling device, which comprise a rack, a pre-compression channel, a grass poking mechanism and a pressure conversion mechanism, wherein the arc-shaped pre-compression channel is arranged below the rack, the grass poking mechanism is arranged in the middle of the rack, poking teeth of the grass poking mechanism can be inserted into a slide way on the pre-compression channel and move along an arc shape, the pressure conversion mechanism is arranged below an outlet of the pre-compression channel, and the pressure conversion mechanism can detect the pressure at an outlet end. The depth limiting mechanism, the picking mechanism, the feeding mechanism, the pre-compression channel of the high-density bundling pre-compression device and the compaction mechanism of the high-density bundling device are sequentially arranged on the rack through mechanical transmission. The invention provides a precompression device for a high-density baler, which improves the density of bales and the baling rate of the baler; the artificial adjustment of the pre-compression force is realized, and the adaptability of compacting and bundling different straws is improved.
Description
Technical Field
The invention relates to the technical field of bundling equipment, in particular to a high-density bundling pre-compression device and a high-density bundling device.
Background
The burning of the straws of corn and wheat becomes a main factor for polluting air in agricultural production, on one hand, the burning of the straws has danger and pollutes the environment, and on the other hand, the straws can also be used as livestock feed, domestic fuel or retting fertilizer. At present, large-area straws are directly burned or smashed to serve as base fertilizers due to inconvenient collection, and the straws are placed in the field and are smashed in the field in a rotating mode by a machine to affect the planting of next-season crops, so that the growth of the crops is not good.
The bundling machine can be used for collecting and bundling the corn straws due to the transportation of the bundling machine under the condition, but the bundling machine in the prior art is easy to block in the bundling mechanism to cause the blocking of the bundling machine when the bundling machine feeds, so that the bundling machine cannot normally operate, and the bundling rate is low.
Disclosure of Invention
The invention aims to provide a high-density bundling pre-compression device and a high-density bundling device, which are used for solving the problems in the prior art, so that bundling compression is smooth, and bundling efficiency is improved.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a high-density bundling and pre-compression device which comprises a rack, a pre-compression channel, a grass poking mechanism, a pressure conversion mechanism and a controller, wherein the arc-shaped pre-compression channel is arranged below the rack, the grass poking mechanism is arranged in the middle of the rack, poking teeth of the grass poking mechanism can be inserted into a slide way on the pre-compression channel and move along an arc shape, the pressure conversion mechanism is arranged below an outlet of the pre-compression channel, the pressure conversion mechanism can detect the pressure at an outlet end, and the grass poking mechanism and the pressure conversion mechanism are respectively and electrically connected with the controller.
Preferably, dial grass mechanism and include rocking arm, rotation mechanism and dial the tooth, rotation mechanism set up in the frame, the both ends of rotation mechanism's pivot are rotated through a connecting rod respectively and are connected one the rocking arm, two the lower extreme of rocking arm is connected through a shift fork roof beam, the equipartition has a plurality of on the shift fork roof beam dial the tooth.
Preferably, the slewing mechanism comprises a lifting slewing mechanism and a grass poking slewing mechanism, the middle part of the rocker arm is connected with the grass poking slewing mechanism through the connecting rod in a rotating manner, and the top of the rocker arm is connected with the lifting slewing mechanism.
Preferably, the grass poking rotary mechanism comprises a rotary shaft and the connecting rod, the rotary shaft is connected to a power output shaft of the tractor through mechanical transmission, the rotary shaft is rotatably arranged on two sides of the rack, and two ends of the rotary shaft are respectively and fixedly connected with the connecting rod.
Preferably, it includes linking arm, crank and pivot to choose high rotation mechanism, the one end of linking arm with the top of rocking arm is rotated and is connected, the other end with articulate one end is rotated and is connected, the articulate other end through a pivot with the frame rotates and connects, the linking arm with the equal symmetry of crank set up in the both sides of frame.
Preferably, the linking arm is the angular form, the rocking arm is the Y type, the upper arm of linking arm with a portion of rocking arm rotates to be connected, the lower arm through an adjusting bolt with the middle part of rocking arm is inconsistent, be provided with rocking arm self-locking structure on the upper arm, another portion of rocking arm with rocking arm self-locking structure swing joint.
Preferably, rocking arm auto-lock structure includes U type support, push rod, trip, spring and spacing fixed plate, spacing fixed plate with the bottom of U type support all is fixed in on the linking arm, an arm of U type support with the middle part of trip is rotated and is connected, is connected with on another arm the push rod and with the underarm fixed connection of linking arm, the one end of trip with the portion of propping up of rocking arm can joint, the other end with the push rod is articulated, the push rod passes location pivot on another arm of U type support with waist type hole on the spacing fixed plate, the spring is worn to locate on the push rod and be located the pivot with be in compression state between the trip.
Preferably, the pressure conversion mechanism comprises a compression channel opening and closing mechanism and a crank locking mechanism, the compression channel opening and closing mechanism is arranged below an outlet of the pre-compression channel, and the crank locking mechanism is used for locking a pin shaft between the crank and the connecting arm; the crank locking mechanism comprises a locking hook and a stay cable mechanism, the locking hook is provided with a hook-shaped curved surface and two straight surfaces, the locking hook is hinged to the rack through a torsion spring, the stay cable mechanism comprises a stay cable, a flexible steel pipe and a spring, one end of the stay cable penetrates through the rack and is connected with the straight surfaces below the locking hook, the other end of the stay cable penetrates through a positioning plate and is connected with the compression channel opening and closing mechanism, one end of the stay cable is sleeved with a spring, the spring is located between the rack and the straight surfaces below the locking hook, the hook-shaped curved surface comprises a hook surface and a unhooking surface, and the pin shaft can be clamped on the hook surface and can be separated from the unhooking surface.
Preferably, the compression channel opening and closing mechanism comprises a pressure head plate, a clamping jaw, a cam and a pressure-bearing rotating shaft, the pressure-bearing rotating shaft is rotatably arranged on the rack, two ends of the pressure-bearing rotating shaft are respectively provided with one cam, the cams are located in a U-shaped groove at one end of the clamping jaw, the other end of the clamping jaw is rotatably arranged on the rack, a plurality of pressure plates which can stretch into the sector pressure head plate of the pre-compression channel are uniformly distributed on the pressure-bearing rotating shaft, gaps between the pressure head plates can pass through the poking teeth, the bottom surface of the pre-compression channel is provided with a through groove matched with the pressure head plate, the lower side edges of the pressure head plates at two ends of the pressure-bearing rotating shaft are connected onto the positioning plate through springs, and the end part of the inhaul cable is connected onto the lower side wall of the U-shaped groove.
The invention also relates to a high-density bundling device which comprises the high-density bundling pre-compression device, a depth limiting mechanism, a pickup mechanism, a feeding mechanism and a compacting mechanism, wherein the depth limiting mechanism, the pickup mechanism, the feeding mechanism, a pre-compression channel of the high-density bundling pre-compression device and the compacting mechanism are sequentially arranged on the rack, and the high-density bundling pre-compression device, the depth limiting mechanism, the pickup mechanism, the feeding mechanism and the compacting mechanism are respectively connected with a power output shaft of a tractor through mechanical transmission.
Compared with the prior art, the invention has the following technical effects:
the invention provides a precompression device for a high-density baler, which improves the density of bales; the bundling rate of the bundling machine can be improved; the artificial adjustment of the pre-compression force is realized, and the adaptability of picking up the straw in uneven distribution is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a high density baling device according to the present invention;
FIG. 2 is a schematic view of the high density baling pre-compression device of the present invention;
FIG. 3 is a schematic structural diagram of a turning mechanism according to the present invention;
FIG. 4 is a schematic structural view of the pressure conversion mechanism of the present invention;
wherein: 100-high density bundling precompression device, 101-depth limiting mechanism, 102-picking mechanism, 103-feeding mechanism, 104-compacting mechanism, 1-frame, 2-precompression channel, 3-rocker arm, 4-shifting fork beam, 5-shifting tooth, 6-connecting rod, 7-rotating shaft, 8-connecting arm, 9-crank, 10-positioning rotating shaft, 11-pin shaft, 12-U-shaped bracket, 13-push rod, 14-trip, 15-spring, 16-limit fixing plate, 17-head plate, 18-jaw, 19-cam, 20-pressure bearing rotating shaft, 21-pulling cable, 22-flexible steel pipe, 23-locking hook, 24-torsion spring, 25-branch part, 26-clamping shaft, 27-adjusting bolt, 28-connector, 29-locating plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a high-density bundling pre-compression device and a high-density bundling device, which are used for solving the problems in the prior art, so that bundling compression is smooth, and bundling efficiency is improved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 4: the embodiment provides a high density bundling precompression device 100, including frame 1, precompression passageway 2, dialling grass mechanism and pressure transducer, the below of frame 1 is provided with curved precompression passageway 2, dials grass mechanism and sets up in the middle part of frame 1, dials grass mechanism's group tooth 5 and can insert the slide on the precompression passageway 2 and follow the arc motion, and the export below of precompression passageway 2 is provided with pressure transducer, and pressure transducer can detect the pressure of exit end. Wherein, the frame 1, the pre-compression channel 2, the grass poking mechanism and the pressure conversion mechanism are all symmetrically arranged structures.
The grass poking mechanism comprises rocker arms 3, a rotary mechanism and poking teeth 5, the rotary mechanism is arranged on the machine frame 1, two ends of a rotating shaft of the rotary mechanism are respectively connected with the rocker arms 3 in a rotating mode through a connecting rod 6, the lower ends of the two rocker arms 3 are connected through a poking fork beam 4, and the poking fork beam 4 is evenly provided with the poking teeth 5 in a plurality.
The swing mechanism comprises a lifting swing mechanism and a grass poking swing mechanism, the middle part of the rocker arm 3 is rotatably connected with the grass poking swing mechanism through a connecting rod 6, and the top part of the rocker arm is connected with the lifting swing mechanism. The grass poking rotary mechanism comprises a rotary shaft 7 and a connecting rod 6, the rotary shaft 7 is connected to a power output shaft of the tractor through mechanical transmission, the rotary shaft 7 is rotatably arranged on two sides of the rack 1, and two ends of the rotary shaft 7 are respectively and fixedly connected with the connecting rod 6. The lifting rotary mechanism comprises a connecting arm 8, a crank 9 and a rotating shaft, one end of the connecting arm 8 is rotatably connected with the top of the rocker arm 3, the other end of the connecting arm is rotatably connected with one end of the crank 9, the other end of the crank 9 is rotatably connected with the rack 1 through the rotating shaft, and the connecting arm 8 and the crank 9 are symmetrically arranged on two sides of the rack 1.
The linking arm 8 is the angular form, rocking arm 3 is the Y type, the upper arm of linking arm 8 rotates with a branch portion 25 of rocking arm 3 to be connected, the underarm is inconsistent through an adjusting bolt 27 and the middle part of rocking arm 3, can finely tune the length of underarm, be provided with rocking arm self-locking structure on the upper arm, another branch portion 25 and rocking arm self-locking structure swing joint of rocking arm 3 for the position of locking rocking arm for the linking arm, thereby realize the jack catch to the snatching of card axle with loosen, and then realize dialling the conversion of grass and throwing the grass mode. The rocker arm self-locking structure comprises a U-shaped bracket 12, a push rod 13, a clamping hook 14, a spring 15 and a limiting fixing plate 16, wherein the bottoms of the limiting fixing plate 16 and the U-shaped bracket 12 are both fixed on a connecting arm 8, one arm of the U-shaped bracket 12 is rotatably connected with the middle part of the clamping hook 14, be connected with on the other arm push rod 13 and with the underarm fixed connection of linking arm 8, the one end of trip 14 can the joint with the card axle 26 on the branch portion 25 of rocking arm 3, the other end is articulated with push rod 13 through a connector 28, the dismouting of being convenient for, push rod 13 passes the hole at location pivot 10 middle part on the other arm of U type support 12 and the waist type hole on the spacing fixed plate 16, location pivot 10 rotates and sets up on U type support 12, the tip joint of push rod 13 is in waist type downthehole, spring 15 wears to locate on push rod 13 and is located and is in compression state between location pivot 10 and the trip 14, guarantee push rod 13, trip 14 is in the auto-lock state when dialling the grass and throwing the grass mode.
The pressure conversion mechanism comprises a compression channel opening and closing mechanism and a crank locking mechanism, the compression channel opening and closing mechanism is arranged below an outlet of the pre-compression channel 2, and the crank locking mechanism is used for locking a pin shaft 11 between a crank 9 and a connecting arm 8; the crank locking mechanism comprises a locking hook 23 and a guy cable mechanism, the locking hook 23 is provided with a hook-shaped curved surface and two straight surfaces, the locking hook 23 is hinged on the frame 1 through a torsion spring 24, the guy cable mechanism comprises a guy cable 21, a flexible steel pipe 22 and a spring 15, one end of the guy cable 21 passes through the frame 1 to be connected with the straight surface below the locking hook 23, the other end of the guy cable 21 passes through a positioning plate 29 to be connected with the compression channel opening and closing mechanism, one end of the guy cable 21 is sleeved with the spring 15, the spring 15 is positioned between the frame 1 and the straight surface below the locking hook 23, the spring in a compression state is used for adjusting the rotation angle and position of the locking hook 23, the spring ensures the guy cable to be tensioned and can not be larger than the force of the torsion spring, the length of the guy cable 21 extending out of the frame is shortened, and the guy cable 21 is tighter, when the pressure head plate 17 is opened/closed to the passage of the pre-compression chamber, the torsion spring 24 can rapidly drive the locking hook to lock/unlock the pin shaft. The hook-shaped curved surface comprises a hook surface and a unhooking surface, and the pin shaft 11 on the crank 9 can be clamped on the hook surface and separated from the unhooking surface. Compression passageway on-off mechanism includes pressure head board 17, jack catch 18, cam 19 and pressure-bearing pivot 20, pressure-bearing pivot 20 rotates to set up in frame 1 and both ends set up a cam 19 respectively, cam 19 all is located the U type inslot of jack catch 18 one end, the other end of jack catch 18 rotates and sets up in frame 1, the equipartition has a plurality of can stretch into the sectorial pressure head board 17 of precompression passageway 2 in the pressure-bearing pivot 20, clearance between the pressure head board 17 can be through dialling tooth 5, the bottom surface of precompression passageway 2 is provided with and presses head board 17 assorted logical groove, the downside that is located pressure head board 17 on pressure-bearing pivot 20 both ends passes through a spring 15 and connects on locating plate 29, the end connection of cable 21 is on the lower lateral wall in U type groove. The precompression force of the ram head 17 is adjusted by a spring attached to the ram head 17 inside the retaining plate 29.
When the compression density of the straws/pastures in the pre-compression channel is increased to a preset pressure value of the pressure head plate 17 (the preset pressure value is adjusted by a spring connected to the positioning plate 29), the pressure head 17 rotates clockwise to open the pre-compression channel, the pressure head plate 17 drives the pressure-bearing rotating shaft 20 to rotate, the pressure-bearing rotating shaft 20 drives the cam 19 to rotate, the cam 19 pushes the jaw 18 to rotate anticlockwise, the jaw 18 drives the inhaul cable 21, the inhaul cable 21 drives the locking hook to rotate clockwise, the locking hook is made to hang on the pin shaft, and the shifting teeth 5 are switched from an original grass shifting mode to a grass shifting mode; when the pulling teeth 5 throw the straws/pastures in the compression chamber to the compression chamber, the pressure of the pre-compression chamber is reduced, and at the moment, the pressure of the straws/pastures in the pre-compression chamber is smaller than the preset pressure value of the pressure head plate 17, so the pressure head plate 17 is pulled back under the action of the spring 15 on the pressure head plate 17 re-positioning plate to block the outlet of the pre-compression channel to form a closed pre-compression chamber; along with the return of the pressure head plate 17, the pressure head plate 17 drives the pressure-bearing rotating shaft 20 to rotate anticlockwise, the pressure-bearing rotating shaft 20 drives the cam 19 to rotate anticlockwise, the jaw 18 pulls the jaw 18 to rotate clockwise under the action of the spring outside the inhaul cable 21, the jaw 18 rotates clockwise to enable the inhaul cable 21 to loosen, and therefore the locking hook enables the locking hook to rotate anticlockwise under the action of the torsion spring 24, the grabbing mode of the pin shaft 11 is released, and the poking teeth 5 are enabled to be restored to the grass pressing mode from the grass throwing mode.
The embodiment also relates to a high-density bundling device, which comprises the high-density bundling pre-compression device 100, the depth limiting mechanism 101, the pickup mechanism 102, the feeding mechanism 103 and the compacting mechanism 104, wherein the depth limiting mechanism 101, the pickup mechanism 102, the feeding mechanism 103, the pre-compression channel 2 of the high-density bundling pre-compression device 100 and the compacting mechanism 104 are sequentially arranged on the frame 1, and the high-density bundling pre-compression device 100, the depth limiting mechanism 101, the pickup mechanism 102, the feeding mechanism 103 and the compacting mechanism 104 are respectively connected with a power output shaft of a tractor through mechanical transmission (belt transmission, chain transmission, gear transmission or the like). Wherein, the depth-limiting mechanism 101, the picking mechanism 102, the feeding mechanism 103 and the compacting mechanism 104 have the same structure as the common mechanisms in the field, and the width of the pre-compression channel 2 can be adjusted according to the distribution condition of straws on the ground.
The specific working process of the high-density bundling device of the embodiment is described as follows:
firstly, a rack is hung on a tractor, an output shaft of the tractor is connected to a corresponding mechanism, the relative position of the depth limiting mechanism 101 and the picking mechanism 102 is adjusted, and the elastic teeth of the picking mechanism 102 are ensured not to touch the ground surface, but only the ground surface straw and the forage grass can be picked up.
After the picking mechanism 102 picks up the straws and throws the straws backwards to the feeding mechanism 103, the feeding mechanism 103 uniformly distributes the straws and sends the straws into the pre-compression channel 2. Because less straw is in the pre-compression channel 2 at the starting position, the pressure head plate 17 drives the cam 19 to rotate anticlockwise under the action of the spring 15 until the pressure head plate 17 penetrates through the lower bottom plate of the pre-compression channel 2 and presses the upper bottom plate of the pre-compression channel 2, so that the pre-compression channel 2 forms a closed space; at this time, the cam 19 is in the limit position, so that the cable 21 is in the initial tensioning state in the flexible steel pipe 22, the locking hook 23 connected with the cable 21 is forced to be in the unhooking state, at this time, the grass poking mechanism drives the connecting rod 6 to do the circular motion around the rotating shaft 7 under the action of the rotating shaft 7, the connecting rod 6 drives the rocker arm 3 to do the small swing, and the rocker arm 3 drives the fork poking beam 4 and the poking teeth 5 to do the heart-shaped closed curve motion. When the rocker arm 3 swings anticlockwise, the straw is uniformly pulled backwards by the pulling teeth 5 fixedly connected on the pulling fork beam 4. In the process, because the straw resistance force on the shifting teeth 5 is towards the left (or front), the force on the upper end of the rocker arm 3 is backward, and the clamping shaft 26 fixedly connected with the branch part 25 of the rocker arm 3 is ensured to be tightly pressed inside the clamping hook 14; further, the rocker arm 3 is limited and supported by the connecting arm 8, so that the connecting arm 8 and the rocker arm 3 form a stable triangular structure, particularly, the clamping shaft 26 is tightly pressed in the clamping hook 14, and after the clamping hook 14 is forced to have a tendency of counterclockwise movement, the torsion spring 24 locks the clamping hook 14 in a counterclockwise rotation manner, and the risk that the clamping shaft 26 is separated from the inside of the clamping hook 14 is avoided.
A contact point of the push rod 13 and the limiting fixing plate 16 is A, a hinge point of the hook 14 and the push rod 13 is B, a hinge point of the U-shaped support 12 and the hook 14 is C, AB + BC > AC in length of two points, ABC forms a stable triangular structure, the hook 14 rotates around the hinge point in the middle of the hook 14 along with releasing and clamping of the clamping shaft 26, and the hook end of the hook 14 is located at an upper limit point and a lower limit point by means of the thrust of the spring 15. When the shifting fork moves to the rightmost end position, the rocker arm 3 moves upwards along with the rotation of the push rod 13 driven by the rotating shaft 7, so that the shifting fork is lifted from the pre-compression channel 2, and the resistance of the shifting fork on the straws disappears. At this time, the hook 14 continues to maintain the original pushing force under the action of the spring 15, and tightly grips the latch shaft 26 on the rocker arm 3, so as to keep the connecting arm 8 and the rocker arm 3 to form a stable triangular structure, and ensure that the rocker arm 3 is stably returned to the initial position.
When the rotating shaft 7 drives the connecting rod 6 to continue rotating, the rocker arm 3 drives the shifting fork beam 4 and the shifting teeth 5 to downwards reinsert into the pre-compression channel 2 again; with the movement of the connecting rod 6, the shifting fork can gradually push and compact the straws backwards, when the compacting force of the straws in the pre-compression channel 2 is greater than the pulling force of the spring 15 on the pressure head plate 17, the pressure head plate 17 starts to drive the fixed shaft and the cam 19 to rotate clockwise, and with the rotation of the cam 19, the cam 19 can push the jaw 18 to rotate anticlockwise so as to pull the inhaul cable 21 to move upwards, the inhaul cable 21 further pulls the locking hook 23 to move downwards until the shifting fork moves to the rightmost position, the pressure head plate 17 completely exits from the pre-compression channel 2, the smoothness of the pre-compression channel 2 and a compression chamber is realized, at the moment, the pulling force of the inhaul cable 21 is maximized, the position of the locking hook 23 moves to the lowest position, and the return of the hinge pin 11 between the connecting arm 8 and the crank 9 is waited; when the connecting rod 6 and the rocker arm 3 are driven by the rotating shaft 7 to rotate to the initial positions, the hinge shaft is positioned at a fixed position because the locking hook 23 grabs the hinge shaft, at the moment, along with the continuous rotation of the connecting rod 6, the rocker arm 3 drives the shifting fork beam 4 and the shifting teeth 5 to move downwards and rightwards continuously, at the moment, the clamping shaft 26 is driven by the rocker arm 3 to move downwards and rightwards together, so that the clamping hook 14 is forced to move clockwise around the hinge shaft at the rotation center of the clamping hook, the guide rod and the compression spring 15 are further pushed, and the clamping shaft is always kept at the position under the spring force on the push guide rod to wait for the reentry of the clamping shaft 26; the rocker arm 3 breaks through a stable triangular structure formed by the original connecting arm 8 and the rocker arm 3 along with the separation of the clamping shaft 26 from the clamping hook 14, the rotation center of the rocker arm 3 is transferred to the pin shaft 11 from the original hinge shaft, so that the rocker arm 3 is changed from the original small-amplitude straw stirring and conveying to the large-amplitude straw stirring and conveying, and the pre-compressed and formed straw is pushed to the compression chamber along with the movement of the shifting fork. At this time, the pre-compression channel 2 is lost, so the head pressing plate 17 is reinserted into the pre-compression channel 2 under the action of the spring 15, the pre-compression channel 2 is blocked from the compression chamber, and the next compression molding of the straw is prepared. In the process, along with the resetting of the pressure head plate 17, the pressure head plate 17 drives the cam 19 and the fixed shaft to rotate anticlockwise, so that the inhaul cable 21 is loosened, the locking hook 23 is pushed upwards, the unhooking of the locking hook 23 and the articulated shaft is realized, and when the rocker arm 3 rotates to the highest point position, the clamping shaft 26 automatically enters the clamping hook 14 and moves downwards along with the rocker arm 3, and the clamping hook 14 locks the clamping shaft 26.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. A high density bundling precompression device characterized in that: the grass poking mechanism is arranged in the middle of the rack, poking teeth of the grass poking mechanism can be inserted into a slide way on the pre-compression channel and move along an arc shape, the pressure conversion mechanism is arranged below an outlet of the pre-compression channel, and the pressure conversion mechanism can detect the pressure at the outlet end;
the grass poking mechanism comprises rocker arms, a rotary mechanism and poking teeth, the rotary mechanism is arranged on the rack, two ends of a rotary shaft of the rotary mechanism are respectively connected with the rocker arms through a connecting rod in a rotating mode, the lower ends of the two rocker arms are connected through a poking fork beam, and a plurality of poking teeth are uniformly distributed on the poking fork beam; the swing mechanism comprises a lifting swing mechanism and a grass poking swing mechanism, the middle part of the rocker arm is rotatably connected with the grass poking swing mechanism through the connecting rod, and the top part of the rocker arm is connected with the lifting swing mechanism;
the lifting swing mechanism comprises a connecting arm and a crank, one end of the connecting arm is rotatably connected with the top of the rocker arm, the other end of the connecting arm is rotatably connected with one end of the crank, the other end of the crank is rotatably connected with the rack through a rotating shaft, and the connecting arm and the crank are symmetrically arranged on two sides of the rack;
the pressure conversion mechanism comprises a compression channel opening and closing mechanism and a crank locking mechanism, the compression channel opening and closing mechanism is arranged below an outlet of the pre-compression channel, and the crank locking mechanism is used for locking a pin shaft between the crank and the connecting arm; the crank locking mechanism comprises a locking hook and a guy cable mechanism, the locking hook is provided with a hook-shaped curved surface and two straight surfaces, the locking hook is hinged to the rack through a torsion spring, the guy cable mechanism comprises a guy cable, a flexible steel pipe and a spring, one end of the guy cable penetrates through the rack and is connected with the straight surface below the locking hook, the other end of the guy cable penetrates through a positioning plate and is connected with the compression channel opening and closing mechanism, one end of the guy cable is sleeved with the spring, the spring is positioned between the rack and the straight surface below the locking hook, and the hook-shaped curved surface comprises a hook surface and a unhooking surface, so that the pin shaft can be clamped on the hook surface and can leave from the unhooking surface;
compression passageway operating mechanism includes pressure head board, jack catch, cam and pressure-bearing pivot, the pressure-bearing pivot rotate set up in the frame and both ends set up one respectively the cam, the cam all is located the U type inslot of jack catch one end, the other end of jack catch rotate set up in the frame, the equipartition has a plurality of can stretch into in the pressure-bearing pivot the sectorial of precompression passageway pressure head board, clearance between the pressure head board can pass through dial the tooth, the bottom surface of precompression passageway be provided with pressure head board assorted logical groove, be located the lower side of the pressure head board at pressure-bearing pivot both ends pass through a spring coupling in on the locating plate, the end connection of cable in on the lower lateral wall in U type groove.
2. The high density baling pre-compression device of claim 1, wherein: the grass poking rotary mechanism comprises a rotary shaft and the connecting rod, the rotary shaft is connected to a power output shaft of the tractor through mechanical transmission, the rotary shaft is rotatably arranged on two sides of the rack, and two ends of the rotary shaft are respectively and fixedly connected with the connecting rod.
3. The high density baling pre-compression device of claim 1, wherein: the linking arm is the angular form, the rocking arm is the Y type, the upper arm of linking arm with a portion of rocking arm rotates to be connected, the lower arm through an adjusting bolt with the middle part of rocking arm is inconsistent, be provided with rocking arm self-locking structure on the upper arm, another portion of rocking arm with rocking arm self-locking structure swing joint.
4. The high density baling pre-compression device of claim 3, wherein: rocking arm auto-lock structure includes U type support, push rod, trip, spring and spacing fixed plate, spacing fixed plate with the bottom of U type support all is fixed in on the linking arm, an arm of U type support with the middle part of trip is rotated and is connected, is connected with on another arm the push rod and with the underarm fixed connection of linking arm, the one end of trip with the branch portion of rocking arm can joint, the other end with the push rod is articulated, the push rod passes location pivot on another arm of U type support with waist type hole on the spacing fixed plate, the spring is worn to locate on the push rod and be located the pivot with be in compression state between the trip.
5. A high density binding apparatus characterized in that: the high-density bundling pre-compression device comprises the high-density bundling pre-compression device, a depth limiting mechanism, a pickup mechanism, a feeding mechanism and a compaction mechanism, wherein the depth limiting mechanism, the pickup mechanism, the feeding mechanism, a pre-compression channel of the high-density bundling pre-compression device and the compaction mechanism are sequentially arranged on the machine frame, and the high-density bundling pre-compression device, the depth limiting mechanism, the pickup mechanism, the feeding mechanism and the compaction mechanism are respectively connected with a power output shaft of a tractor through mechanical transmission.
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| CN114303654B (en) * | 2021-12-20 | 2023-07-21 | 铁建重工新疆有限公司 | Grass poking pre-pressing device and feeding equipment |
| CN115211289B (en) * | 2022-08-23 | 2024-03-01 | 铁建重工新疆有限公司 | Automatic pick up high density baler |
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