CN109348877B - Automatic net feeding device for silage bundling machine - Google Patents
Automatic net feeding device for silage bundling machine Download PDFInfo
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- CN109348877B CN109348877B CN201811439077.3A CN201811439077A CN109348877B CN 109348877 B CN109348877 B CN 109348877B CN 201811439077 A CN201811439077 A CN 201811439077A CN 109348877 B CN109348877 B CN 109348877B
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- connecting rod
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- rod
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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
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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
- A01F15/14—Tying devices specially adapted for baling presses
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention discloses an automatic net feeding device for a silage bundling machine, which comprises a frame body, a net roll shaft, a driving mechanism, a braking mechanism and the like. The problem that the compactness of the feed bundle after the bundle is wrapped by the net is low due to the fact that the net-feeding device of the original bundling machine is fast enough to feed the net, the net-using amount of the bundling machine is increased, and the use cost is increased; and some net roller shafts are inconvenient to detach, so that the bundling net is difficult to replace, and the working efficiency is influenced.
Description
Technical Field
The invention belongs to the field of agricultural machinery equipment, and particularly relates to an automatic net feeding device for a silage bundling machine.
Background
Silage is a coarse fodder obtained by chopping green fodder with water content of 65% -75%, and inhibiting propagation of various miscellaneous bacteria under the fermentation of anaerobic lactobacillus under the condition of closed anoxia. The silage has sour and fragrant smell, is soft and juicy, has good palatability, is rich in nutrition, is favorable for long-term storage, and is an excellent feed source for livestock. The silage bundling machine is used for bundling the cut silage, so that the silage profile is fermented under the condition of closed oxygen deficiency. The net feeding mechanism is a key ring of the bundling process of the silage bundling machine, and the net feeding mechanism of the existing bundling machine has the problems that the net feeding speed is too high due to the fact that the net roller shaft rotates fast, so that the compactness of the bundled fodder after the net is bundled is low, the net consumption of the bundling machine is increased, and the use cost is increased; and some net roll shafts are inconvenient to detach, so that the bundling net is difficult to replace, and the working efficiency is affected.
Disclosure of Invention
In order to solve the problem that the compactness of the feed bundle after the bundle is wrapped by the net is lower because the net is fast, the net consumption of the bundling machine is increased, and the use cost is increased; and some net roller shafts are inconvenient to detach, so that the bundling net is difficult to replace, and the working efficiency is influenced. The invention provides an automatic net feeding device for a silage bundling machine, which has the following specific design scheme:
the utility model provides an automatic net device that send for silage bundling machine, includes the support body, be equipped with the net roller axle that the level set up in the support body, still be equipped with horizontal drive roller device in the support body, drive roller device includes that the level sets up and leaves drive roller and the driven voller of certain interval between the axle, wherein the one end of drive roller stretches out outside the support body and fixedly connected with drive wheel, swing joint has belt tensioning frame, be equipped with on the belt tensioning frame with the coplanar belt tensioning wheel of drive wheel, be connected with the input belt on the drive wheel, the drive roller stretches out the one end fixedly connected with rather than coaxial stroke screw rod of outside the support body.
The bottom of support body is equipped with horizontally cutter arbor, fixedly connected with cockscomb structure cuts net sword on the cutter arbor, the one end of cutter arbor stretches out to outside the support body and fixedly connected with cuts net sword lifting rod parallel with the support body lateral wall, cuts the outside of net sword lifting rod and is equipped with two rather than vertically vertical screw rods, has cup jointed the stroke control pole on two vertical screw rods, and the outer tip of two vertical screw rods is equipped with stop nut and is equipped with spacing spring on the vertical screw rod between stroke control pole and the net sword lifting rod, and its tip can be placed on the stroke screw rod after the axial rotation of stroke control pole along the cutter arbor reaches certain angle.
The transmission device comprises a large gear, a pinion, a cam, a swing connecting rod, a first lifting connecting rod and a second lifting connecting rod, wherein the large gear and the cam are fixedly connected and are connected to the side wall of the frame body through a first pin shaft, the pinion is meshed with the large gear, and a driving motor is connected to the pinion; the swing connecting rod is connected to the side wall of the frame body through a second pin shaft and abuts against the outer edge of the cam, one end of the swing connecting rod is connected with the first lifting connecting rod and the second lifting connecting rod, the other end of the first lifting connecting rod is provided with a strip-shaped clamping groove, the net cutting knife lifting rod is provided with a pin and is connected with the clamping groove of the first lifting connecting rod through the pin, and the second lifting connecting rod is connected with the belt tensioning frame through the pin; when the cam rotates, the swing connecting rod is pushed to rotate around the second pin shaft, meanwhile, the swing connecting rod drives the first lifting connecting rod and the second lifting connecting rod to move, when the swing amplitude of the swing connecting rod is maximum, the stroke control rod can be lifted through the first lifting connecting rod and placed on the stroke screw rod, the second lifting connecting rod rotates the belt tensioning frame, and the belt tensioning wheel is enabled to tension an input belt on the driving wheel.
The brake mechanism comprises a brake wheel, a brake pad, a brake frame and a brake gear pad, wherein the brake wheel is fixedly connected with the net roll shaft, and the brake gear pad is fixed on the side wall of the outer side of the frame body and provided with a plurality of gear grooves; the brake frame is connected to the side wall of the inner side of the frame body through a third pin shaft, and one end of the brake frame is connected with a brake pad adjacent to a brake wheel; the other end of the brake frame is connected with a brake spring, the other end of the brake spring is connected with an L-shaped brake adjusting rod, the other end of the brake adjusting rod horizontally extends out of the side wall of the frame body, and a gear pin matched with the gear groove is arranged on the brake adjusting rod.
Further, the net roll shaft is a detachable shaft, a T-shaped movable connecting rod is arranged on one side of the frame body, and a notch-shaped connecting groove is arranged on the other side of the frame body; the movable connecting rod is vertically arranged, the upper end and the lower end of the movable connecting rod are movably connected with the frame body, and the other end of the movable connecting rod is movably connected with the net roll shaft; be equipped with spacing piece on the spread groove, spacing piece passes through fourth round pin hub connection on the lateral wall of support body, and the one end of spacing piece is equipped with the spacing groove with the diameter of axle looks adaptation of net roller, still is equipped with the spacing spring that is used for taut spacing piece on the spacing piece, and spacing spring's the other end is connected on the support body, and spacing piece can rotate around fourth round pin hub and fix the net roller at the spread groove of support body.
Further, the device comprises a net pressing roller device, the net pressing roller device comprises a net pressing roller support and a net pressing roller, one end of the net pressing roller support is fixedly connected with a brake adjusting rod, the other end of the net pressing roller support is connected with the net pressing roller, and the axis of the net pressing roller is parallel to the net roller shaft.
Further, the driven roller floats the setting for the drive roller, and the both ends of driven roller all swing joint has a drive roller slider parallel with the support lateral wall, drive roller slider passes through the round pin hub connection on the lateral wall of support, still is connected with tensioning spring between drive roller slider and the support.
Further, a tensioning frame adjusting piece is connected between the second lifting connecting rod and the belt tensioning frame, the tensioning frame adjusting piece is connected to the side wall outside the frame body through a pin shaft, one end of the tensioning frame adjusting piece is hinged to the second lifting connecting rod, and a pressure spring is connected between the other end of the tensioning frame adjusting piece and the belt tensioning frame.
Further, the device also comprises a controller and a position sensor, wherein the position sensor is arranged beside the cam, and can be triggered when the cam rotates to the maximum swing amplitude of the swing connecting rod, and the controller is electrically connected with the position sensor and the driving motor.
Further, the end part of the travel control rod, which is close to one end of the travel screw rod, is connected with a movable cutter head, one end of the movable cutter head is connected with the travel control rod through a fifth pin shaft, a circular arc clamping groove which takes the fifth pin shaft as a circle center is further formed in the movable cutter head, a pin is arranged on the travel control rod, the pin is arranged in the circular arc clamping groove, and a spring is connected between the movable cutter head and the travel control rod.
Further, the brake wheel is connected with the net roll shaft through the key groove, and the net roll shaft is connected with the net roll locking device coaxial with the brake wheel, the net roll locking device comprises a locking shaft and locking pieces, the locking pieces comprise at least one locking shaft and are arranged along the circumference of the locking shaft, one end of each locking piece is fixed on the locking shaft, the other end of each locking piece is tilted to form a free end, and the rotating direction of the locking shaft rotates along the tilting section of each locking piece to the direction of the fixed end during use.
Further, a manual adjusting rod is further arranged on the brake mechanism, one end of the manual adjusting rod is connected with the brake frame, and the other end of the manual adjusting rod extends out of the frame body to form a free end.
The invention has the beneficial effects that:
1. according to the invention, the brake mechanism is arranged on the net roll shaft, so that certain damping can be provided for the net roll shaft when the net is fed and bundled, and the rotating speed of the net roll shaft is reduced, so that the bundling net is tensioned, and the compactness of bundling can be improved when silage is bundled, thereby saving the bundling net and reducing the production cost;
2. the net roll shaft is a detachable shaft, and can be detached from the bracket by pulling the limiting piece, so that the bundling net can be conveniently replaced, and the working efficiency is improved;
3. the driven roller is a floating device, the distance between the driven roller and the driving roller can be automatically adjusted, and the bundling net can be effectively prevented from accumulating and blocking the driving roller device.
Drawings
FIG. 1 is a left side schematic view of the present invention;
FIG. 2 is a right side schematic view of the present invention;
FIG. 3 is a right side view of the travel control lever of the present invention when raised;
FIG. 4 is a right side view of the travel control lever of the present invention as it is lowered;
FIG. 5 is a left side cross-sectional view of the present invention;
FIG. 6 is a left side cross-sectional view of the present invention with a binding mesh installed;
FIG. 7 is a simplified schematic view of the net cutter of the present invention when raised;
FIG. 8 is a simplified schematic of the present invention with the net cutter lowered;
FIG. 9 is a schematic view of the movable cutter head of the present invention;
FIG. 10 is a schematic view of the structure of the manual adjustment lever and brake carriage of the present invention;
FIG. 11 is a front view of the present invention screen cutter lift bar and travel control bar;
the hydraulic brake system comprises a 1-frame body, a 2-net roll shaft, a 3-driving roller, a 4-driven roller, a 5-driving wheel, a 6-belt tensioning frame, a 7-input belt, a 8-stroke screw, a 9-cutter bar, a 10-net cutter, a 11-net cutter lifting rod, a 12-vertical screw, a 13-stroke control rod, a 14-movable cutter head, a 15-circular arc clamping groove, a 16-fifth pin shaft, a 17-large gear, a 18-pinion, a 19-cam, a 20-swinging connecting rod, a 21-second pin shaft, a 22-first lifting connecting rod, a 2201-clamping groove, a 23-second lifting connecting rod, a 24-belt tensioning wheel, a 25-tensioning frame adjusting sheet, a 26-pressure spring, a 27-braking frame, a 28-braking sheet, a 29-third pin shaft, a 30-braking spring, a 31-adjusting rod, a 32-manual adjusting rod, a 33-net pressing roller support, a 34-net pressing wheel, a 35-floating block, a 36-tensioning spring, a 37-driving motor, a 38-net, a 39-braking wheel, a 40-first pin shaft, a 41-limiting sheet, a 42-driving roller, a fourth pin, a 43-fourth pin shaft, a 43-44-fourth pin, a 45-fourth pin shaft, a 45-fourth pin, a guide shaft, a 45-fourth pin, a 45-guide shaft, a 46, a guide shaft, a 46-and a position-and a tensioning plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 11, an automatic net feeding device for silage bundling machine comprises a frame body 1, wherein a net roll shaft 2 horizontally arranged is arranged in the frame body 1. The net roll shaft 2 is a detachable shaft, one side of the frame body 1 is provided with a T-shaped movable connecting rod 44, and the other side is provided with a notch-shaped connecting groove. The movable connecting rod 44 is vertically arranged, the upper end and the lower end of the movable connecting rod 44 are movably connected with the frame body 1, and the other end of the movable connecting rod 44 is movably connected with the net roll shaft 2. Be equipped with spacing piece 41 on the spread groove, spacing piece 41 passes through fourth round pin axle 42 to be connected on the lateral wall of support body 1, and the one end of spacing piece 41 is equipped with the spacing groove with the diameter of axle looks adaptation of net roller 2, still is equipped with the spacing spring 43 that is used for taut spacing piece 41 on the spacing piece 41, and spacing spring 43's the other end is connected on support body 1, and spacing piece 41 can rotate around fourth round pin axle 42 and fix net roller 1 in the spread groove of support body 1. Two horizontal first guide shafts 49 and second guide shafts 50 are also provided in the frame, and the main function of the first guide shafts 49 and the second guide shafts 50 is to provide guiding function for the bundling net 38.
The frame body 1 is also internally provided with a horizontal driving roller device, and the driving roller device comprises a driving roller 3 and a driven roller 4 which are horizontally arranged and have a certain interval between shafts. The driven roller 4 is arranged in a floating manner relative to the driving roller 3, and the net outlet gap between the driving roller 3 and the driven roller 4 can be adjusted elastically. The concrete structure is as follows: the two ends of the driven roller 4 are both movably connected with a driving roller floating block 35 parallel to the side wall of the frame body 1, the driving roller floating block 35 is connected to the side wall of the frame body 1 through a pin shaft, and a tensioning spring 36 (shown in fig. 3 or 4) is also connected between the driving roller floating block 35 and the frame body 1. One end of the driving roller 3 extends out of the frame body 1 and is fixedly connected with a driving wheel 5, a belt tensioning frame 6 is movably connected with the driving roller, a belt tensioning wheel 24 coplanar with the driving wheel 5 is arranged on the belt tensioning frame 6, an input belt 7 is connected on the driving wheel 5, and one end of the driving roller 3 extending out of the frame body 1 is fixedly connected with a travel screw rod 8 coaxial with the driving roller.
The bottom of the frame body 1 is provided with a horizontal cutter bar 9, a serrated net cutting cutter 10 is fixedly connected to the cutter bar 9, and the net cutting cutter 10 can rotate around the cutter bar 9. One end of the cutter bar 9 extends out of the frame body 1 and is fixedly connected with a net cutting cutter lifting rod 11 parallel to the side wall of the frame body 1, two vertical screws 12 perpendicular to the net cutting cutter lifting rod 11 are arranged on the outer side of the net cutting cutter lifting rod 11, a travel control rod 13 is sleeved on the two vertical screws 12, a limit nut is arranged at the outer end of the two vertical screws 12, and a limit spring is arranged on the vertical screw 12 between the travel control rod 13 and the net cutting cutter lifting rod 11 (as shown in fig. 11). The end of the travel control rod 13, which is close to one end of the travel screw rod 8, is connected with a movable cutter head 14, one end of the movable cutter head 14 is connected with the travel control rod 13 through a fifth pin shaft 16, a circular arc clamping groove 15 taking the fifth pin shaft 16 as a circle center is further formed in the movable cutter head 14, a pin is arranged on the travel control rod 13 and is arranged in the circular arc clamping groove 15, and a spring is connected between the movable cutter head 14 and the travel control rod 13. After the stroke control rod 13 rotates to a certain angle along the axial direction of the cutter bar 9, the movable cutter head 14 can be placed on the stroke screw rod 8;
the transmission device comprises a large gear 17, a small gear 18, a cam 19, a swinging connecting rod 20, a first lifting connecting rod 22 and a second lifting connecting rod 23, wherein the large gear 17 and the cam 19 are fixedly connected and are connected to the side wall of the frame body 1 through a first pin shaft 40, the small gear 18 is meshed with the large gear 17, and a driving motor 37 is connected to the small gear 18. The swinging connecting rod 20 is connected to the side wall of the frame body 1 through a second pin 21 and abuts against the outer edge of the cam 19, and one end of the swinging connecting rod 20 is connected with the first lifting connecting rod 22 and the second lifting connecting rod 23. The other end of the first lifting link 22 is provided with a strip-shaped clamping groove 2201, and the net cutter lifting rod 11 is provided with a pin which is connected with the clamping groove 2201 of the first lifting link 22. A tensioning frame adjusting piece 25 is connected between the second lifting connecting rod 23 and the belt tensioning frame 6, the tensioning frame adjusting piece 25 is connected to the side wall outside the frame body 1 through a pin shaft, one end of the tensioning frame adjusting piece is hinged with the second lifting connecting rod 23, and a pressure spring 26 is connected between the other end of the tensioning frame adjusting piece and the belt tensioning frame 6.
The motion of the transmission is as follows: when the cam 19 rotates, the swing link 20 is pushed to rotate around the second pin shaft 21, meanwhile, the swing link 20 drives the first lifting link 22 and the second lifting link 23 to move, when the swing link 20 swings to the maximum, the stroke control rod 13 can be lifted by the first lifting link 22 and placed on the stroke screw 8, and the second lifting link 23 rotates the belt tensioning frame 6 and enables the belt tensioning wheel 24 to tension the input belt 7 on the driving wheel 5.
The brake mechanism comprises a brake wheel 39, a brake pad 28, a brake bracket 27, a manual adjusting rod 32 and a brake gear piece 47, wherein the brake wheel 39 is fixedly connected with the net roll shaft 2 through a key slot, and the brake gear piece 47 is fixed on the side wall of the outer side of the bracket body 1 and provided with a plurality of gear grooves 48. The brake frame 27 is connected to the side wall of the inner side of the frame body 1 through a third pin shaft 29, one end of the brake frame 27 is connected with a brake pad 28 adjacent to a brake wheel 39, the other end of the brake frame 27 is connected with a brake spring 30, the other end of the brake spring 30 is connected with an L-shaped brake adjusting rod 31, the other end of the brake adjusting rod 31 horizontally extends out of the side wall of the frame body 1, and the brake adjusting rod 31 is provided with a gear pin matched with a gear groove 48. One end of the manual adjusting lever 32 is connected with the brake frame 27, and the other end extends out of the frame body 1 and forms a free end. The brake wheel 39 is connected with a mesh drum locking device coaxial with the brake wheel, the mesh drum locking device comprises a locking shaft 45 and locking pieces 46, the locking pieces 46 comprise a plurality of locking shafts 45 and are arranged along the circumference of the locking shaft 45, one ends of the locking pieces 46 are fixed on the locking shaft 45, the other ends of the locking pieces are tilted to form free ends, and the rotating direction of the locking shaft 45 rotates along the tilting section of the locking pieces 46 to the fixed end direction during use.
The net pressing roller device is used for compacting the bundling net of the net roller shaft 2 in the net discharging process by rotating the net roller shaft 2, and comprises a net pressing roller support 33 and a net pressing wheel 34, wherein one end of the net pressing roller support 33 is fixedly connected with a brake adjusting rod 31, the other end of the net pressing roller support is connected with the net pressing wheel 34, and the axis of the net pressing wheel 34 is parallel to the net roller shaft 2.
The main function of the control system is to control the beginning and ending time of the off-line, the control system comprises a controller and a position sensor (marked outside in the figure), the position sensor is arranged beside the cam 19, when the cam 19 rotates to the maximum swing of the swing connecting rod 20, the position sensor can be triggered to work, and the controller adopts a common singlechip and is electrically connected with the position sensor and the driving motor 37.
The driven roller 4 is arranged to be of a floating structure, so that the problem that the bundling net 38 is broken due to overlarge pulling force in the net winding process during net feeding can be effectively prevented. In addition, the manual adjustment lever 32 can manually adjust the brake mechanism in the event of a machine failure.
The stroke control rod 13 interferes with the stroke screw rod 8 in the lifting process, at this time, the movable cutter head 14 can rotate downwards around the fifth pin shaft 16, when the position of the stroke control rod 13 is lifted above the stroke screw rod 8, the movable cutter head 14 can be restored to the original position under the action of a spring connected with the movable cutter head 14 (as shown in fig. 9), and at this time, the stroke control rod 13 is placed above the stroke screw rod 8.
The working principle of the invention is as follows:
when the bundling net 38 is replaced, the limiting piece 41 is pushed to rotate around the fourth pin shaft 42, then the net roll shaft 2 is taken out from the connecting groove of the frame body 1, then the brake wheel 39 and the locking shaft 45 are detached, the bundling net 38 is mounted on the net roll shaft 2, then the brake wheel 39 and the locking shaft 45 are mounted on the net roll shaft 2, and the locking piece 46 on the locking shaft 45 is inlaid in the inner cylinder of the bundling net 38, so that the bundling net 38 is prevented from sliding on the net roll shaft 2 during net feeding. The bundling net 38 is led out from the net roll shaft 2, then bypasses the first guide shaft 49 and the second guide shaft 50, and is led into a bin of the bundling machine through a gap between the driving roller 3 and the driven roller 4, and the bundling net 38 abuts against the net cutter 10 in a lifted state. The brake adjustment lever 31 is rotated so that the brake pads 28 provide a suitable damping for the brake wheel while the net pressing wheel 34 is tangential to the bundling net 38, thereby guiding the net feeding process.
When the automatic net feeding device is used, the automatic net feeding device is arranged on a bundling machine, one end of an input belt 7 is connected with a power unit of the bundling machine, in an initial state, a net cutting knife 10 is in a falling state (shown in fig. 8), a net cutting knife lifting rod 11 and a stroke control rod 13 are also in a falling state (shown in fig. 4), and the input belt on a driving wheel 5 is also in a loosening device. When silage in a bundler bin reaches a bundling threshold value, the controller starts to control the driving motor 37 to work, the driving motor 37 drives the large gear 17 and the cam 19 to simultaneously start to rotate through the small gear 18, the edge of the cam 19 toggles the swing connecting rod 20 to rotate around the second pin shaft 21 when the cam 19 rotates, and the first lifting connecting rod 22 and the second lifting connecting rod 23 are driven to move upwards in the rotating process of the swing connecting rod 20; at this time, the first lifting link 22 drives the net cutter lifting rod 11 and the travel control rod 13 to move upwards, and the second lifting link 23 drives the belt tensioning frame 6 to rotate through the tensioning frame adjusting piece 25, so that the belt tensioning wheel 24 on the belt tensioning frame 6 gradually tightens the input belt 7 and the driving wheel 5.
When the swing amplitude of the swing connecting rod 20 is maximized in the rotation process of the cam 19, the movable cutter head on the stroke control rod 13 falls onto the stroke screw rod 8, the net cutter 10 is rotated to a raised position (shown in fig. 7), meanwhile, the input belt 7 and the driving wheel 5 are fully tensioned, the input belt 7 drives the driving wheel 5 to start rotating, the driving wheel 5 drives the driving wheel 3 to start rotating, and the bundling net 38 starts moving into the bin of the bundling machine and starts winding net for silage under the extrusion action of the driving wheel 3 and the driven roller 4. Along with the rotation of the driving wheel 5, the travel screw rod 8 drives the travel control rod 13 arranged on the travel screw rod 8 to start to move outwards through the spiral effect, when the movable tool bit 14 of the travel control rod 13 moves to the edge of the travel screw rod 8, the travel control rod 13 instantly drops from the travel screw rod 8 and simultaneously drives the cutter rod 9 and the net cutting cutter 10 to rotate, and the net cutting cutter 10 cuts off the tightly attached bundling net 38, so that the net winding work of a silage bundle is completed. When the net cutter 10 falls, the input belt 7 starts to be in a relaxed state, and the driving wheel 5 and the driving roller 3 start to stop rotating. As the cam 19 continues to rotate, the cam triggers the position sensor to operate and the controller thereby controls the drive motor 37 to cease operation. When silage in the bundling machine feed bin reaches the bundling threshold value, the controller starts to control the driving motor 37 to work, and the operation is performed in a reciprocating cycle mode.
It should be noted that the above is only a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be considered as protecting the scope of the present invention.
Claims (7)
1. The automatic net feeding device for the silage bundling machine is characterized by comprising a frame body (1), wherein a net roller shaft (2) which is horizontally arranged is arranged in the frame body (1), a horizontal driving roller device is further arranged in the frame body (1), the driving roller device comprises a driving roller (3) and a driven roller (4) which are horizontally arranged and have a certain distance between shafts, one end of the driving roller (3) extends out of the frame body (1) and is fixedly connected with a driving wheel (5) and is movably connected with a belt tensioning frame (6), a belt tensioning wheel (24) which is coplanar with the driving wheel (5) is arranged on the belt tensioning frame (6), an input belt (7) is connected onto the driving wheel (5), and one end of the driving roller (3) extending out of the frame body (1) is fixedly connected with a travel screw (8) which is coaxial with the driving roller;
the bottom of the frame body (1) is provided with a horizontal cutter bar (9), a serrated net cutting cutter (10) is fixedly connected to the cutter bar (9), one end of the cutter bar (9) extends out of the frame body (1) and is fixedly connected with a net cutting cutter lifting rod (11) parallel to the side wall of the frame body (1), two vertical screws (12) perpendicular to the net cutting cutter lifting rod (11) are arranged on the outer side of the net cutting cutter lifting rod (11), a stroke control rod (13) is sleeved on the two vertical screws (12), limit nuts are arranged at the outer ends of the two vertical screws (12), limit springs are arranged on the vertical screws (12) between the stroke control rod (13) and the net cutting cutter lifting rod (11), and the end of the stroke control rod (13) can be placed on the stroke screw (8) after the stroke control rod (9) rotates to a certain angle along the axial direction;
the transmission device comprises a large gear (17), a small gear (18), a cam (19), a swinging connecting rod (20), a first lifting connecting rod (22) and a second lifting connecting rod (23), wherein the large gear (17) is fixedly connected with the cam and is connected to the side wall of the frame body (1) through a first pin shaft (40), the small gear (18) is meshed with the large gear (17), and a driving motor (37) is connected to the small gear (18); the swinging connecting rod (20) is connected to the side wall of the frame body (1) through a second pin shaft (21) and abuts against the outer edge of the cam (19), one end of the swinging connecting rod (20) is connected with the first lifting connecting rod (22) and the second lifting connecting rod (23), the other end of the first lifting connecting rod (22) is provided with a strip-shaped clamping groove (2201), the net cutting knife lifting rod (11) is provided with a pin and is connected with the clamping groove (2201) of the first lifting connecting rod (22) through the pin, and the second lifting connecting rod (23) is connected with the belt tensioning frame (6) through the pin; when the cam (19) rotates, the swing connecting rod (20) is pushed to rotate around the second pin shaft (21), meanwhile, the swing connecting rod (20) drives the first lifting connecting rod (22) and the second lifting connecting rod (23) to move, when the swing of the swing connecting rod (20) is maximum, the stroke control rod (13) can be lifted by the first lifting connecting rod (22) and placed on the stroke screw rod (8), the second lifting connecting rod (23) rotates the belt tensioning frame (6) and enables the belt tensioning wheel (24) to tension an input belt (7) on the driving wheel (5);
the brake mechanism comprises a brake wheel (39), a brake block (28), a brake frame (27) and a brake gear block (47), wherein the brake wheel (39) is fixedly connected with the net roll shaft (2), and the brake gear block (47) is fixed on the side wall of the outer side of the frame body (1) and provided with a plurality of gear grooves (48); the brake frame (27) is connected to the side wall of the inner side of the frame body (1) through a third pin shaft (29), and one end of the brake frame (27) is connected with a brake pad (28) adjacent to a brake wheel (39); the other end of the brake frame (27) is connected with a brake spring (30), the other end of the brake spring (30) is connected with an L-shaped brake adjusting rod (31), the other end of the brake adjusting rod horizontally extends out of the side wall of the frame body (1), and a gear pin matched with a gear groove (48) is arranged on the brake adjusting rod (31);
the net roll shaft (2) is a detachable shaft, one side of the frame body (1) is provided with a T-shaped movable connecting rod (44), and the other side is provided with a notch-shaped connecting groove; the movable connecting rod (44) is vertically arranged, the upper end and the lower end of the movable connecting rod are movably connected with the frame body (1), and the other end of the movable connecting rod (44) is movably connected with the net roll shaft (2); the connecting groove is provided with a limiting piece (41), the limiting piece (41) is connected to the side wall of the frame body (1) through a fourth pin shaft (42), one end of the limiting piece (41) is provided with a limiting groove matched with the shaft diameter of the net roll shaft (2), the limiting piece (41) is also provided with a limiting spring (43) used for tensioning the limiting piece (41), the other end of the limiting spring (43) is connected to the frame body (1), and the limiting piece can rotate around the fourth pin shaft (42) and fix the net roll shaft (2) in the connecting groove of the frame body (1);
the brake wheel (39) is connected with the net roll shaft (2) through a key groove, the brake wheel (39) is connected with a net barrel locking device coaxial with the brake wheel, the net barrel locking device comprises a locking shaft (45) and locking pieces (46), the locking pieces (46) comprise at least one locking piece and are arranged along the circumference of the locking shaft (45), one end of each locking piece (46) is fixed on the locking shaft (45), the other end of each locking piece is tilted to form a free end, and the rotating direction of each locking shaft (45) rotates along the tilting section of each locking piece (46) to the direction of the fixed end during use.
2. The automatic net feeding device for silage bundling machine according to claim 1, wherein the driven roller (4) is arranged in a floating manner relative to the driving roller (3), two ends of the driven roller (4) are movably connected with a driving roller floating block (35) parallel to the side wall of the frame body (1), the driving roller floating block (35) is connected to the side wall of the frame body (1) through a pin shaft, and a tensioning spring (36) is further connected between the driving roller floating block (35) and the frame body (1).
3. The automatic net feeding device for silage bundling machine according to claim 1, further comprising a net pressing roller device, wherein the net pressing roller device comprises a net pressing roller support (33) and a net pressing roller (34), one end of the net pressing roller support (33) is fixedly connected with a brake adjusting rod (31), the other end of the net pressing roller support is connected with the net pressing roller (34), and the axis of the net pressing roller (34) is parallel to the net roller shaft (2).
4. The automatic net feeding device for silage bundling machine according to claim 1, characterized in that an end part of the travel control rod (13) close to one end of the travel screw rod (8) is connected with a movable cutter head (14), one end of the movable cutter head (14) is connected with the travel control rod (13) through a fifth pin shaft (16), a circular arc clamping groove taking the fifth pin shaft (16) as a circle center is further formed in the movable cutter head (14), a pin is arranged on the travel control rod (13) and is arranged in the circular arc clamping groove (15), and a spring is connected between the movable cutter head (14) and the travel control rod (13).
5. The automatic net feeding device for the silage bundling machine according to claim 1, wherein a tensioning frame adjusting piece (25) is connected between the second lifting connecting rod (23) and the belt tensioning frame (6), the tensioning frame adjusting piece (25) is connected to the side wall outside the frame body (1) through a pin shaft, one end of the tensioning frame adjusting piece is hinged with the second lifting connecting rod (23), and a pressure spring (26) is connected between the other end of the tensioning frame adjusting piece and the belt tensioning frame (6).
6. The automatic net feeding device for silage baler of claim 1, further comprising a controller and a position sensor, wherein the position sensor is arranged beside the cam (19), and can be triggered when the cam (19) rotates to the maximum swing of the swing connecting rod (20), and the controller is electrically connected with the position sensor and the driving motor.
7. The automatic net feeding device for the silage bundling machine according to claim 1, wherein the braking mechanism is further provided with a manual adjusting rod (32), one end of the manual adjusting rod (32) is connected with the braking frame (27), and the other end of the manual adjusting rod extends out of the frame body (1) to form a free end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439077.3A CN109348877B (en) | 2018-11-29 | 2018-11-29 | Automatic net feeding device for silage bundling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439077.3A CN109348877B (en) | 2018-11-29 | 2018-11-29 | Automatic net feeding device for silage bundling machine |
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| CN109348877B true CN109348877B (en) | 2024-03-19 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109906781B (en) * | 2019-04-04 | 2021-09-14 | 四平市顺邦农机制造有限公司 | Automatic net winding device |
| CN113016369A (en) * | 2021-03-16 | 2021-06-25 | 吉林天朗新能源科技有限公司 | Automatic net winding device for straw bundling machine and net breaking mechanism therein |
| CN113383647A (en) * | 2021-07-22 | 2021-09-14 | 甘肃金科峰农业装备工程有限责任公司 | Silage circle bundle nethike embrane installing support device |
| CN116897707B (en) * | 2023-09-12 | 2023-11-17 | 黑龙江派尔农业科技有限公司 | Bundling machine with synchronous structure of net winding cutter and brake |
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