Background technology
The square bale briquetter is widely used in the rice and wheat straw in rural area and pasture and does the collection of blue or green herbage and tie up, knotter is the core component of briquetter, major function is to send the rope bundle rope clamp that mechanism serves to hold, and finish and tie up knotting and required take rope, folder rope, wiring, sting rope, cut rope and dropout is moved, two ends are broken into fast knot, and the bale after preventing from compressing is loose.Through tying up the bale density height of knotting, be convenient to transport and deposit, be very beneficial for the utilization of the biomass energies such as stalk.
At present, external knotter manufacturer has formed comparatively ripe knotter design and manufacturing technology through long-term development, and develop the knotter of oneself, such as German CLAAS company and Rasspe Systemtechnik company, and the briquetter of releasing various models enters Chinese market.Domestic briquetter manufacturing firm is limited to the restriction of designing and manufacturing level, the external knotter that all relies on the purchasing price costliness is produced briquetter, trace it to its cause and mainly be: 1) action of tying up of bale needs knotter and auxiliary body thereof to form accurate the cooperation, require accurately the action of mechanism's sequential, and domestic briquetter manufacturing enterprise lacks the engineering innovation design of knotter; 2) knotter is a Complex spatial framework, and the axis hole axial line of each driving parts is space antarafacial angle on the knotter support, and the transmission mechanism design is complicated, needs strict guarantee ability so that knotter is finished the knotting action reliably; 3) manufacture process requirement of knotter parts is high, and difficulty is large, disposable having high input.
In view of domestic briquetter production status, in order to solve the problem of the long-term dependence on import product of knotter, the present invention proposes more simple in structure, easy to process than external similar knotter, the new equipment of low cost of manufacture, the knotting reliable in action, be knotted into the power height.
Summary of the invention
The objective of the invention is to overcome external knotter complex structure, problem that manufacture difficulty is large, a kind of humanoid two-finger knotter for the square bale briquetter is provided, have simple in structure, easy to process, the characteristics of low cost of manufacture can realize reliably knotting action, become the knot rate high.
Feature structure of the present invention is:
In above-mentioned humanoid two-finger knotter, be equipped with twine knife arm, knotting wiring finger on the described knotter support, tie a knot and collude pincers finger, batch (-type) folder cheese assembly and folder cheese driving mechanism; Described twine knife arm, knotting wiring finger, knotting are colluded pincers finger, batch (-type) folder cheese assembly and folder cheese driving mechanism and are on the plane that is parallel to each other, and described plane is perpendicular to knotter spindle hole of main center line; The concrete structure of described knotter support is, knotting wiring finger axis hole axial line and worm shaft axis hole axial line intersect, and between angle be 30 °, the plane that knotting wiring finger axis hole axial line and worm shaft axis hole axial line consist of is perpendicular to knotter spindle hole of main axial line, and knotting wiring finger axis hole axial line, worm shaft axis hole axial line and knotter spindle axis line intersect at same point; Angle between folder cheese axis hole axial line and the worm shaft axis hole axial line is 74 °, and twine knife arm axle hole axial line is 90 ° with the angle of knotting wiring finger axis hole axial line; It is mutually vertical that twine knife arm axle hole axial line, folder cheese axle axis hole axial line and knotter spindle hole of main axial line are the space.Angle between each axis hole axis of knotter support, as shown in figure 10.
According to above-mentioned requirements, knotter spindle hole of main axial line on the knotter support, twine knife arm axle hole axial line, knotting wiring finger axis hole axial line, worm shaft axis hole axial line and folder cheese axle axis hole axial line, angle design between described 5 axis hole axial lines is the plane special angle, reduced the manufacture difficulty of knotter support, be conducive to guarantee the machining accuracy of angle between each axis hole, the angle that has overcome between each axis hole axial line of original structure is space antarafacial angle and the defective of inconvenience manufacturing.
Another technical characterictic of the present invention is: shown in Figure 11 and 13, the outboard spurs bevel gear of transmission mechanism and inboard straight bevel gear are fixedly mounted on the surface of compound fluted disc by bolt with radially staggering, and the angle between first tooth of inboard straight bevel gear and first tooth of outboard spurs bevel gear is 44 °; The folder rope worm screw bevel pinion that outboard spurs bevel gear and inboard straight bevel gear drive respectively on the worm shaft of the knotter jaw bevel pinion of knotting wiring finger axle head and folder cheese driving mechanism rotates; The reciprocally swinging of the monoblock type grooved cam control twine knife arm on the compound fluted disc.
According to above-mentioned requirements, by at compound fluted disc design two place's embedded structures, independent two sections straight bevel gears making are fixed on the card of compound fluted disc by bolt with radially staggering.Like this, compound fluted disc and the monoblock type grooved cam on it, two sections straight bevel gears all can be finished by machined respectively, needn't carry out the integral precise casting with expensive mould, have reduced manufacture difficulty and processing cost, and are convenient to change after the bevel gear wearing and tearing.
The invention has the beneficial effects as follows, angle design between 5 axis hole axial lines on the knotter support is the plane special angle, reduced the manufacture difficulty of knotter support, be convenient to hot investment casting, be conducive to guarantee the machining accuracy of angle between each axis hole, the angle that has overcome between each axis hole axial line of original structure is space antarafacial angle and the defective of inconvenience manufacturing.Compound fluted disc and the monoblock type grooved cam on it, two sections straight bevel gears all can be finished by machined respectively, needn't carry out the integral precise casting with expensive mould, manufacture difficulty and processing cost have been reduced, and be convenient to change after the bevel gear wearing and tearing, straight bevel gear and compound fluted disc can be used the different materials manufacturing, have reduced the manufacturing cost of device.
Description of drawings
The below elaborates the present invention by accompanying drawing, in the accompanying drawing:
Fig. 1 is mechanism of the present invention configuration forward axonometric drawing.
Fig. 2 is spindle clutch axonometric drawing of the present invention.
Fig. 3 is mechanism of the present invention configuration inversion axis mapping.
Fig. 4 is of the present invention group of rope mechanism shaft mapping.
Fig. 5 is knotter two dimension assembling front view of the present invention.
Fig. 6 is knotter two dimension assembling plan view of the present invention.
Fig. 7 is knotter two dimension assembling side elevation of the present invention.
Fig. 8 is knotter two dimension sectional arrangement drawing of the present invention.
Fig. 9 is knotter rack shaft hole sign picture of the present invention.
Figure 10 is knotter rack shaft hole angular relationship figure of the present invention.
Figure 11 is compound fluted disc bevel gear arrangements figure of the present invention.
Figure 12 is the three-dimensional assembling of knotter of the present invention forward axonometric drawing.
Figure 13 is the three-dimensional assembling of knotter of the present invention inversion axis mapping.
Among the figure, 1. extension spring A; 2. cam baffle plate; 3. clutch fork; 4. clutch roller; 5 clutch voussoirs; 6. chain pulley seat; 7. Clutch Control cam; 8. extension spring B; 9. cam bawl; 10. cam lever; 11. metering ratchet; 12 metering wheel seats; 13. external gear; 14. positive stop; 15 internal gears; 16. dial the rope cam; 17. compound fluted disc; 18. dial the rope roller; 19. dial the rope fork; 20. dial the rope connecting rod; 21. dial the rope crank; 22. dial reel for rope; 23. dial cheese; 24. knotter main shaft; 25. send the rope crank; 26. send the rope connecting rod; 27. draw the punch block seam; 28. send toggle; 29. twine knife arm roller; 30. twine knife arm axle; 31. twine knife arm axle cover; 32. twine knife arm; 33. knotter jaw bevel pinion; 34 bearing pin A; 35. knotting wiring finger; 36. the pincers finger is colluded in knotting; 37. twine knife; 38. folder cheese; 39. bearing pin B; 40. oil filler point bolt A; 41. folder cheese axle; 42. straight spur gear; 43. bearing pin C; 44. folder cheese supporting spring; 45. folder rope supporting spring bolt; 46. adjusting stage clip; 47. hook pincers finger briquetting; 48. hook pincers finger roller; 49. bearing pin D; 50. knotter support; 51. knotter main shaft sleeve; 52. worm shaft bolt; 53. worm screw; 54. worm shaft; 55. oil filler point bolt B; 56. folder rope sheet bolt; 57. bearing pin E; 58. folder rope worm screw bevel pinion; 59. folder rope sheet; 60. wiring finger briquetting bearing pin; 61. conductor rope sheet; 62. outboard spurs bevel gear; 63. inboard straight bevel gear; 64. grooved cam; 65. Connection Block; 66. breaker bolt; 67. discharge chambe; 68. spring; 69. cylindrical cam; 70. bolt.
Embodiment
Fig. 1 represents that one embodiment of the invention is configured in the forward shaft side figure of square bale briquetter frame, and Fig. 3 is the inversion axis mapping of its primary structure.This embodiment is configured on the briquetter frame body with two knotter specifications, along fuselage afterbody top lateral arrangement knotter main shaft 24, in the end of knotter main shaft 24 spindle clutch L is installed such as Fig. 2, two cover knotter parts are installed in the middle part of knotter main shaft 24 successively, at the fixed crank 25 of restricting that send that send rope mechanism of the end side of knotter main shaft 24.On knotter main shaft 24, compound fluted disc 17 is connected by flat key and knotter main shaft 24 knotter support 50, for the knotter parts provide power by its power axis hole empty set.What fixed group of compound fluted disc 17 outer faces of knotter parts rope cam 16 therein, this cam control were dialled rope mechanism dials cheese 23 actions.
As shown in Figure 1, bale length control mechanism K is comprised of extension spring A1, cam baffle plate 2, Clutch Control cam 7, cam bawl 9, cam lever 10, metering ratchet 11, metering wheel seat 12, external gear 13, positive stop 14, internal gear 15.Spindle clutch is comprised of clutch fork 3, clutch roller 4, clutch voussoir 5, chain pulley seat 6, Connection Block 65 and extension spring B8.Clutch Control cam 7 is connected with Connection Block by breaker bolt 66 connections, and Connection Block 65 is cemented on the knotter main shaft 24 by flat key.Clutch fork 3 is riveted on the Clutch Control cam 7 free to rotately, and clutch roller 4 is installed in its end.It is inboard that clutch voussoir 5 is fixed on chain pulley seat 6 hub surfaces, can contact with the clutch roller 4 formation higher pairs on the clutch fork 3.Simultaneously, the cam bawl 9 at the internal gear 15 center of rotation places on Clutch Control cam 7 and the bale length control mechanism forms higher pairs and contacts.
As shown in Figure 1, bale length control mechanism K and spindle clutch L associated working, the control bale is tied up length, and determines the start-stop moment of knotter main shaft 24 intermittent rotaries.During work, power, is not reached in the course of work of preset value in bale length in 6 inputs of spindle clutch L cochain wheel seat by empty set, and the loose continuous compressed mechanism of grass (not marking among the figure) is pressed into discharge chambe 67.At this moment, external gear 13 is in engagement with internal gear 15, clutch this moment fork 3 contacts with cam baffle plate 2, clutch fork 3 forward swings certain angle around Pivot Point Center under the active force of cam baffle plate 2, make clutch voussoir 5 not with 4 combinations of clutch roller, chain pulley seat 6 is around 24 idle running of knotter main shaft, and spindle clutch L is transferring power not, and the knotter parts are failure to actuate.Along with compressing mechanism advances bale to the machine afterbody, mobile bale (being equivalent to tooth bar) drives metering ratchet 9 around the ratchet shaft backwards rotation, external gear 13, internal gear 15 is also around the center of cam bawl 9 backwards rotation certain angle, external gear 13 turns to the groove of internal gear 15, the centre-to-centre spacing of two gears diminishes, external gear 13 sticks in this groove, cam baffle plate 2 this moment reverse swing certain angle under the effect of spring tension, cam baffle plate 2 will be decontroled clutch fork 3, clutch roller 4 returns and 5 combinations of clutch voussoir, to begin to drive knotter main shaft 24 with the fixed Clutch Control cam 7 of knotter main shaft 24 and rotate weeks, and drive simultaneously the knotter parts and send the rope S of mechanism work.When Clutch Control cam 7 is turned to the highest outline position by minimum profile, when the cam lever 10 that promotes to link together with cam bawl 9 swings certain angle clockwise, groove on the internal gear 15 shifts out external gear 11, internal gear 15 drops to positive stop 14 places by cam contour constraint and self gravitation to be stopped, internal gear 15 meshes again with external gear 13, restarts the bale length metering.
As shown in Figure 3, send the rope S of mechanism by sending rope crank 25, sending rope connecting rod 26, a crank and rocker mechanism that draws punch block seam 27, send toggle 28 to form.Wherein send rope crank 25 to be connected with knotter main shaft 24,25 turnovers of knotter main shaft 24 driving cranks, drive are drawn punch block seam 27 and are swung so that send toggle 28 risings to send rope and decline return.After spindle clutch L combination, knotter main shaft 24 drives and send rope crank 25 to clockwise rotate certain angle, drive is drawn punch block seam 27 and is swung clockwise an angle around Pivot Point Center, and the bundle rope that send toggle 28 will be through in the pin hole upwards send rope on folder cheese 38 positions along arching trajectory.Meanwhile, at pin hole with draw between the punch block wire rope handling position bundle rope and be tightened up in line, and enter conductor rope breach on the twine knife arm 32.When knotter main shaft 24 rotates back into the clutch original position again, send toggle 28 to be returned to initial position, finish one and send the rope actuation cycle.
As shown in Figure 4, dialling the rope B of mechanism forms by dialling rope roller 18, dial rope cam 16, dial rope fork 19, dial rope connecting rod 20, dial rope crank 21, dial reel for rope 22 and dialling cheese 23.Dial rope power by dialling 16 inputs of rope cam on the end face that is cemented in compound fluted disc 17, promote to be welded on the rope fork 19 of dialling of dialling on the reel for rope 22 and swing, dial rope cam 16 and dial the pulling force of rope roller 18 by spring 68 and keep in touch.When knotter main shaft 24 drive with compound fluted disc 17 fixed dial rope cam 16 and forward certain angle to the time, dialling rope fork 19 begins to swing, thereby drive and to be welded on the rope crank 21 of dialling of dialling on the reel for rope 22 with dialling rope fork 19 and be fixed angle and to swing, an end of dialling rope connecting rod 20 is hinged with group rope crank 21, the other end forms cylindrical pairs with group cheese 23 and makes group cheese 23 reciprocally swingings, to stir bundle rope skew certain position, pressure makes the bundle rope enter folder cheese 38 gap positions, enable to be pressed from both sides smoothly cheese 38 clampings, make simultaneously the bundle rope be attached to reliably the surface of knotting wiring finger 35, until when continuing to turn over certain angle, dialling cheese 23, knotter main shaft 24 forwards the maximum pendulum angle position to.After this, along with the falling of sending toggle 28, dial cheese 23 and also be returned to initial position.
Such as Fig. 5, Fig. 8, Fig. 9 and shown in Figure 10, knotter support 50 is used for installing twine knife arm 32, knotting wiring finger 35, knotting hook pincers finger 36, batch (-type) folder cheese assembly J and folder cheese driving mechanism Q.In order to reduce the manufacture difficulty of knotter support 50, overcome the defective that angle between each axis hole axis of original structure is space antarafacial angle, as shown in figure 10,
Described knotter support 50, the knotting wiring points 35 axis hole axial lines and worm shaft 54 axis hole axial lines intersect, and between angle be 30 °, the knotting wiring is pointed the plane of 35 axis hole axial lines and worm shaft 54 axis hole axial lines formation perpendicular to knotter main shaft 24 axis hole axial lines, and the knotting wiring is pointed 35 axis hole axial lines, worm shaft 54 axis hole axial lines and knotter main shaft 24 axial lines and intersected at same point; Angle between folder cheese 38 axis hole axial lines and the worm shaft 54 axis hole axial lines is 74 °, and twine knife arm 32 axis hole axial lines are 90 ° with the angle that the knotting wiring is pointed 35 axis hole axial lines; It is mutually vertical that twine knife arm 32 axis hole axial lines, folder cheese 38 axle axis hole axial lines and knotter main shaft 24 axis hole axial lines are the space.Like this, knotter spindle hole axial line on the knotter support 50, twine knife arm 32 axis hole axial lines, knotting wiring are pointed 35 axis hole axial lines, worm screw 53 axis hole axial lines and folder cheese axle 41 axis hole axial lines, be each other the plane special angle, reduced the manufacture difficulty of knotter support, be convenient to hot investment casting, be conducive to guarantee the machining accuracy of angle between each axis hole, the angle that has overcome between each axis hole axial line of original structure is space antarafacial angle and the defective of inconvenience manufacturing.
Such as Figure 11 and shown in Figure 12, the upper detachable ground of installing, compound fluted disc 17 surfaces arranges two sections incomplete straight bevel gears that radially stagger, and the angle between inboard straight bevel gear 63 first teeth and outboard spurs bevel gear 62 first teeth is 44 °, as shown in figure 11.Outboard spurs bevel gear 62 and inboard straight bevel gear 63 drive respectively the folder rope worm screw bevel pinion 58 that the knotting wiring points on the worm shaft 54 of the knotter jaw bevel pinion 33 of 35 axle heads and folder cheese driving mechanism and rotate, thereby drive knotting wiring finger 35 and 38 actions of folder cheese.Simultaneously, the slideway of the monoblock type grooved cam 64 on the compound fluted disc 17 control twine knife arm 32 is according to expection rule reciprocally swinging.Like this, by at compound fluted disc 17 designs two place's embedded structures, independent inboard straight bevel gear 63 and outboard spurs bevel gear 62 of making is fixed on the card of compound fluted disc 17 by bolt 70.Compound fluted disc 17 with and on monoblock type grooved cam 64, inboard straight bevel gear 63 and outboard spurs bevel gear 62 all can be finished by machined respectively, reduced manufacture difficulty, and be convenient to the bevel gear replacing, and can select different materials to make compound fluted disc 17, inboard straight bevel gear 63 and outboard spurs bevel gear 62.
As shown in Figure 5, in the folder reel for rope hole that folder cheese axle 41 is installed on the knotter support 50, the one end is connected with folder cheese 38 by bearing pin B57, and the other end is connected by bearing pin C43 and straight spur gear 42.As shown in Figure 8, worm shaft 54 is installed on worm shaft 54 holes of knotter support 50, and worm screw 53 is fixedly connected with worm shaft 54 by screw thread.Straight spur gear 42 forms engaged transmission with worm screw 53, and straight spur gear 42 is equivalent to worm gear at this.Folder rope worm screw bevel pinion 58 is connected by bearing pin E57 and worm shaft 54, and folder rope worm screw bevel pinion 58 forms the batch (-type) engaged transmission with compound fluted disc 17 inboard straight bevel gears 63.Like this, rely on the special shaft orifice angle of knotter support 50 to form the required space angle of folder rope, transmission of power is provided for simultaneously the folder rope.As shown in Figure 7, conductor rope sheet 61 1 ends are stuck in folder cheese 38 grooves, and the other end is stuck in the gap of knotter support 50.Folder rope sheet 59 is connected on the knotter support 50 by bolt 56, and can rotate around bolt 56, and folder rope sheet 59 is by the holder force retaining and folder cheese 38 close contacts of folder cheese supporting spring 44.When folder cheese 38 was driven in rotation, the bundle rope on the folder rope gap was sandwiched in cheese 38 grooves, realized the action of folder rope.
As shown in Figure 5, the end hinged hook pincers finger roller 48 of pincers finger 36 is colluded in knotting, be connected to freely to rotate on the knotting wiring finger 35 by bearing pin D49, the knotting wiring finger 35 knotting wirings that are installed in freely to rotate knotter support 50 are pointed in 35 axis holes, the end of knotting wiring finger 35 with knotter jaw bevel pinion 33 by the bearing pin A34 rotation that is connected.Outside straight bevel gear 62 forms engagement on knotter jaw bevel pinion 33 and the compound fluted disc 17, drives the wiring finger 35 of tiing a knot and rotates wirings.As shown in Figure 6, collude pincers finger briquetting 47 and collude pincers finger 36 cylindrical cam 69 surfaces of being close on the knotter support 50 for the compressing knotting, sting tight rope when making its work.A hole of colluding above the pincers finger briquetting 47 places on the wiring finger briquetting bearing pin 60, bolt is passed in another hole, provide pretightning force to colluding pincers finger briquetting 47 for adjusting stage clip 46 by nut, collude pincers finger roller 48 pressurizeds thereby make, when pincers finger 36 is colluded in knotting along with 35 rotation of knotting wiring finger, rely on cylindrical cam 69 surface profiles on the knotter support 50,36 foldings of pincers finger are colluded in the control knotting, realize stinging the rope action.
Such as Fig. 5 and shown in Figure 12, the one end fixed installation twine knife 37 of twine knife arm 32, the hinged twine knife arm of other end roller 29, form free to rotate being connected by twine knife arm axle 30 with knotter support 50, twine knife arm roller 29 places in the slideway of grooved cam 64 of compound fluted disc 17, is used for driving twine knife arm 32 and rotates around twine knife arm axle 30.Twine knife arm 32 is pointed the tangent position of 35 arcs with the knotting wiring and is had the groove structure that takes off rope, at cutter 37 with take off rope and have the conductor rope breach between the groove, its function is to support cutter, play conductor rope, cut rope and take off the rope effect, sending rope stage guiding bundle rope to ride on the knotter jaw, taking off the rope stage, cutting off the bundle rope, and forcing knot on the knotter jaw is taken off.