CN102577844A - Electric pruning device - Google Patents
Electric pruning device Download PDFInfo
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- CN102577844A CN102577844A CN2011100083424A CN201110008342A CN102577844A CN 102577844 A CN102577844 A CN 102577844A CN 2011100083424 A CN2011100083424 A CN 2011100083424A CN 201110008342 A CN201110008342 A CN 201110008342A CN 102577844 A CN102577844 A CN 102577844A
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Abstract
The invention relates to an electric pruning device, which comprises a longitudinal extension casing, a motor, a transmission mechanism, a first auxiliary part, a second auxiliary part and a containing space. The motor disposed inside the casing is used for providing rotational output. The transmission mechanism is connected with the motor. The first auxiliary part is driven by the transmission mechanism. The second auxiliary part is connected with the casing. The containing space for at least partially containing a work piece is reserved between the first auxiliary part and the second auxiliary part. At least one of the first auxiliary part and the auxiliary part is provided with a cutting blade. The transmission mechanism comprises a motion conversion mechanism which drives the first auxiliary part to move relative to the second auxiliary part so as to cut the work piece. The transmission mechanism further comprises a rotary impact mechanism. When load reaches a certain preset valve, the rotary impact mechanism converts rotational output of the motor into rotational impact output which is transmitted to the motion conversion mechanism. The transmission mechanism of the electric pruning device comprises the rotary impact mechanism, which is used for providing rotational impact output to the first auxiliary part to improve cutting ability.
Description
Technical field
The present invention relates to a kind of electronic beta pruning machine.
Background technology
At present; The structure of electronic beta pruning machine is mainly utilized two blades to do relatively reciprocating motion and is sheared; Its effect is the branch of shearing trees, the branches and leaves of flower etc., compared to the pruner of manpower, has the advantages that to reduce working strength, increase work efficiency, improve work safety.Like Chinese patent number is 99213524.9 disclosed a kind of lopping shearss; It adopts ledger-plate and relative ledger-plate to make forward and backward reciprocating knife section formation and shears the edge of a knife; Therefore the branch that is sheared is difficult for from the edge of a knife, skidding off; Be in the rectilinear motion state during moving simultaneously, ledger-plate work, can extra increase machine volume, be convenient to from grove, shear single branch.
Yet this beta pruning machine exists not enough.The knife section of this kind beta pruning machine drives through the elastic force of spring; Need manual operation to promote knife section when shearing branch and overcome spring force to open the edge of a knife; And then utilize spring restoring force drive knife section to reset and carry out the branch shearing, this process operation trouble effort, labour intensity is big; The people is easy to fatigue, influences operating efficiency greatly.Can only shear more tiny branch, when running into the thicker branch of shearing, spring force is not enough to produce very high shearing force, causes shearing, and functional reliability is reduced greatly.Therefore market presses for a kind of beta pruning machine with big cutting power.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of electronic beta pruning machine with big cutting power.
The present invention solves the technical scheme that the prior art problem adopted: a kind of electronic beta pruning machine comprises the housing of longitudinal extension; The motor that is positioned at housing and provides rotation to export; The transmission mechanism that connects motor; First auxiliary member by the transmission mechanism driving; Second auxiliary member that is connected with housing; Has the receiving space of at least partly accommodating workpiece between first auxiliary member and second auxiliary member; In first auxiliary member and second auxiliary member at least one is provided with cutting edge; Transmission mechanism comprises that driving first auxiliary member moves the movement conversion mechanism with cut workpiece relative to second auxiliary member; Wherein transmission mechanism also comprises rotary impact mechanism, and when load reached the certain predetermined value, rotary impact mechanism was converted into the rotation output of motor rotary impact output and passes to movement conversion mechanism.
Preferably, transmission mechanism comprises the jackshaft that is connected with motor, and rotary impact mechanism comprises the active impact block of the passive impact block that connects movement conversion mechanism and the rotation of passive relatively impact block, initiatively impact block relatively jackshaft move axially.
Preferably; Initiatively impact block is placed on the jackshaft, and initiatively impact block has the first bump step, and passive impact block has the second bump step; The second bump step and first bump step butt or the disengagement, thus make initiatively impact block and passive impact block is static relatively or rotation.
Preferably, jackshaft is provided with first groove; Initiatively impact block is provided with second groove, and rotary impact mechanism comprises that also the while partly is contained in the rolling member of first groove and second groove and is connected to the bias piece between active impact block and the housing.
Preferably, second auxiliary member is fixedly connected with housing.
Preferably, first auxiliary member and second auxiliary member form the shearing edge of a knife with opening, and the direction of opening is vertical with the longitudinal extension direction.
Preferably, cutting edge is arranged on second auxiliary member.
Preferably, cutting edge is arranged on first auxiliary member, and cutting edge and longitudinal extension direction have the angle of inclination.
Preferably, on movement conversion mechanism comprises the screw rod that connects rotary impact mechanism and is socketed in screw rod and be fixedly connected the nut of first auxiliary member, screw rod drive nut moves axially.
Preferably, electronic beta pruning machine comprises the telescopic prolongation handle of being located at the housing rear end.
Preferably, electronic beta pruning facility have dismountable lithium battery bag, and the voltage of said lithium battery bag is 10.8 volts.
Preferably, the diameter range of workpiece is 0 to 95 millimeter.
Compared with prior art, beneficial effect of the present invention is: electronic beta pruning machine transmission mechanism comprises rotary impact mechanism can provide rotary impact to export to first auxiliary member, thereby under identical dynamic condition, the cutting power of electronic beta pruning machine improves greatly.
Description of drawings
Above-described the object of the invention, technical scheme and beneficial effect can combine accompanying drawing to describe and clearly acquisition through the following detailed description that can realize specific embodiment of the present invention simultaneously.
Identical label in accompanying drawing and the specification is used to represent element identical or that be equal to symbol.
Fig. 1 is the sketch map of the electronic beta pruning machine of the first embodiment of the present invention.
Fig. 2 is the sketch map that the holding part of electronic beta pruning machine shown in Figure 1 pivots.
Fig. 3 is the sketch map after electronic beta pruning machine shown in Figure 1 removes partial shell.
Fig. 4 is that electronic beta pruning machine shown in Figure 1 removes the sketch map that demonstrates rotary impact mechanism after the partial shell.
Fig. 5 is the sketch map that demonstrates movement conversion mechanism that the housing front end of electronic beta pruning machine shown in Figure 1 removes partial shell.
Fig. 6 is that the cutting edge of the electronic beta pruning machine of the second embodiment of the present invention is installed on the sketch map on second auxiliary member.
Fig. 7 is the sketch map of first auxiliary member of the electronic beta pruning machine time cutting branch that has cutting edge.
Fig. 8 is the sketch map of second auxiliary member of the electronic beta pruning machine time cutting branch that has cutting edge.
Fig. 9 is the sketch map that relative second auxiliary member of first auxiliary member of the electronic beta pruning machine of the third embodiment of the present invention rotates.
Figure 10 is the sketch map that relative second auxiliary member of first auxiliary member of the electronic beta pruning machine of the fourth embodiment of the present invention rotates.
Figure 11 is the sketch map with the electronic beta pruning machine that prolongs handle of the fifth embodiment of the present invention.
1, electronic beta pruning machine 2, housing 3, motor
4, transmission mechanism 5, the shearing edge of a knife 6, rotary impact mechanism
7, movement conversion mechanism 8, second auxiliary member 9, first auxiliary member
10, cutting edge 12, holding part 13, switch
14, prolong handle 15, rotating shaft 21, front end
22, rear end 23, block 31, motor drive shaft
32, power brick 33, planet pinion group 34, planetary gear
35, central gear 61, jackshaft 62, active impact block
63, passive impact block 64, elastic component 65a, cam path
65b, cam path 66, steel ball 67a, the first bump step
67b, the second bump step 71, screw rod 72, nut
73, bracing frame 74, guiding groove 75, retaining element
76, guide rail 77, pull bar 78, first pivotal axis
79, second pivotal axis 80, gear spare 81, opening
82, blocking arm 83, accommodation section 84, sizing hook
91, holding tank 92, end face tooth 93, tooth bar
94, gear 101, cutting part 141, first prolong pipe
142, second prolongs pipe 143, coupling assembling 144, lock tube
145, adapter sleeve 611, axis 621, first side
622, second side 623, fixture 641, first end
642, second end 711, external screw thread 721, nut sleeve
723, extension block 724, guide finger G, gravity
Embodiment
Be illustrated in figure 1 as the electronic beta pruning machine 1 of one embodiment of the invention.The housing 2 that electronic beta pruning machine 1 extends along a longitudinally.Housing 2 has the front end 21 and rear end 22 along longitudinally.Be provided with the holding part 12 that is used to grip in the rear end 22 of housing 2.Holding part 12 can be set to relative housing 2 and turn an angle.As shown in Figure 2, be provided with rotating shaft 15 between housing 2 and the holding part 12, holding part 12 can be rotated around this rotating shaft 15.The angle that rotate the holding part 12 of comparative optimization is 0 to 90 degree.Like this, be convenient to shear branch in the corner.The rear end 22 of housing 2 also is provided with switch 13 and is used to start electronic beta pruning machine 1.Certainly, the position of switch 13 can be located at any position that is suitable for operating of housing 2, as long as the position handled easily person starting switch 13 that switch 13 is provided with.Shear the front end 21 that the edge of a knife 5 is positioned at housing 2, be mainly used in the workpiece such as branch that placement will be cut, and keep the workpiece relative fixed in cutting process that to cut.
Please, has the motor 3 that rotation output is provided in the inside of housing 2 with reference to Fig. 3 and shown in Figure 4.Motor 3 can be that d.c. motor also can be an alternating current motor.Motor 3 can be rotated in the forward and reverse rotation.In the present embodiment, switch 13 also has just commentaries on classics or the counter-rotating that two-way controlling organization can be controlled motor 3.Front end 21 at housing 2 has the edge of a knife 5 of shearing, shears the edge of a knife 5 and is arranged at outside the housing 2.Motor 3 has motor drive shaft 31, is used for outputting power.Less for the volume that keeps electronic beta pruning machine 1 integral body, adopting power brick 32 is the motor power supply, and power brick 32 is arranged at the rear end 22 of housing 2 simultaneously.Power brick 32 is removably disposed on the housing 2.In the present embodiment, power brick 32 preferably adopts the lithium battery bag, and the relatively environmental protection of lithium battery bag has had increasing application scenario.When being 7 volts to 18 volts through the voltage that experiment showed, power brick 32, power brick 32 both can provide enough power to shear branch to beta pruning machine 1, to such an extent as to can not make power brick 32 volumes own reduce operability too greatly again.In the embodiment of optimum, the voltage of power brick 32 is 10.8 volts.Certainly in present embodiment, use power brick 32 power supplies, can also on electronic beta pruning machine 1, install and be wired to ac power supply, motor 3 adopts the alternating current motors at this moment.
Like Fig. 3 and shown in Figure 5, what in housing 2, connect motor drive shaft 31 is transmission mechanism 4.Transmission mechanism 4 mainly plays transferring power, give the shearing edge of a knife 5 with the transmission of power that motor 3 produces, thereby cutting is positioned at the workpiece of shear knife mouth 5.Shearing the edge of a knife 5 is mainly formed by second auxiliary member 8 and first auxiliary member 9.Has the receiving space of at least partly accommodating workpiece between first auxiliary member 9 and second auxiliary member 8.Second auxiliary member 8 is positioned at the front end 21 of housing 2 and is fixedly connected with housing 2.Second auxiliary member 8 can with housing 2 one designs, also can be connected through common fixed forms such as bolts with housing 2.As shown in Figure 5 on the cutaway view of vertical direction, second auxiliary member 8 is roughly the semi-closed structure of U type shape, and a side of this semi-closed structure has opening 81 and is communicated with the external world, and other three sides have and the extraneous blocking arm 82 that plays the partition effect.The blocking arm 82 of opening 81 and part is positioned at outside the housing 2.The direction of opening 81 is perpendicular to the lengthwise bearing of trend.In the present embodiment, opening 81 is positioned at the lower end of second auxiliary member 8.In other embodiments, opening 81 can be positioned at the upper end of second auxiliary member 8.The central authorities of second auxiliary member 8 are the accommodation section 83 that can hold the hollow of object to be cut.And on the direction of vertical this section, accommodation section 83 is communicated to the external world, make workpiece can along perpendicular to the steering portion of this section pass accommodation section 83.In addition in the present embodiment, on the blocking arm 82 of second auxiliary member 8, be provided with sizing hook 84.This sizing hook 84 is horizontal at opening 81 places, can prevent that so the thick branch that must exceed cutting power from getting into accommodation section 83, thereby avoid branch to be stuck in second auxiliary member 8.As shown in Figure 3, power brick 32, transmission mechanism 4, first auxiliary member 9 and second auxiliary member 8 are provided with along same axis 611 successively.
Like Fig. 3 and shown in Figure 5, transmission mechanism 4 one ends connect motor 3, and the other end connects the shearing edge of a knife 5 that is positioned at front end 21.Transmission mechanism 4 mainly comprises rotary impact mechanism 6 and movement conversion mechanism 7.The transmission mechanism 4 that comprises rotary impact mechanism 6, movement conversion mechanism 7 with motor 3 all accommodate with same housing 2 in.Rotary impact mechanism 6 and movement conversion mechanism 7 are arranged in order along longitudinally, and rotary impact mechanism 6 one ends are connected with motor 3, and the other end is connected with movement conversion mechanism 7.When load reached the certain predetermined value, rotary impact mechanism 6 was converted into the rotation output of motor 3 rotary impact output and passes to movement conversion mechanism 7.One end of movement conversion mechanism 7 is connected with rotary impact mechanism 6, and the other end is connected with first auxiliary member 9.Movement conversion mechanism 7 drives first auxiliary member 9 and moves to cut said workpiece relative to said second auxiliary member 8.
As shown in Figure 5, transmission mechanism 4 comprises the jackshaft 61 that extends along longitudinally.Axis 611 directions of jackshaft 61 are consistent with the lengthwise bearing of trend.Jackshaft 61 is connected with motor drive shaft 31 through planet pinion group 33, and the planet pinion group 33 here is a power drive mechanism common in this area, generally includes planetary gear 34 and also changes gearratio whereby with central gear 35.Repeat no more here.Rotary impact mechanism 6 comprises initiatively impact block 62.Initiatively impact block 62 is socketed on the jackshaft 61 versatilely, and initiatively impact block 62 can produce circumferential rotation with respect to jackshaft 61 and move axially.Initiatively impact block 62 have first side 621 and 622, the first sides 621, second side and second side 622 each other back to.And first side 621 and second side 622 are approximately perpendicular to axis 611.In addition, also be socketed with elastic component 64 on the jackshaft 61 as bias piece.In the present embodiment, elastic component 64 is springs.It can certainly be other forms of elastic component.First end 641 of elastic component 64 abuts on the active impact block 62.642 at second end of elastic component 64 abuts on the block 23.Block 23 is fixedly coupled in housing 2, and the power that provides support is given elastic component 64.Initiatively first side 621 of impact block 62 is provided with first end 641 that fixture 623 is used for fixing elastic component 64.Elastic component 64 is located between housing 2 and the active impact block 62.Elastic component 64 has the state of compression, and elastic component 64 is provided along the elastic-restoring force of the axial and circumferential of jackshaft 61, promotes initiatively impact block 62.Initiatively be formed with cam path 65a on the surface of impact block 62 near jackshaft 61, also be formed with cam path 65b on the surface of jackshaft 61, cam path 65a and cam path 65b are corresponding to be provided with.Rolling member 66 is arranged between cam path 65a and the cam path 65b, and rolling member 66 can rotate on axis 611 directions.The rolling member 66 here is a steel ball.Certainly those skilled in the art will be appreciated that rolling member also can be other forms.Initiatively second side 622 of impact block 62 is provided with the first bump step 67a.The first bump step 67a is around the circumferential setting of axis 611, and the first bump step 67a protrudes from second side 622.
Like Fig. 3 and shown in Figure 5, rotary impact mechanism 6 also comprises passive impact block 63.Passive impact block 63 connects movement conversion mechanism 7.Passive impact block 63 can produce relative rotation with active impact block 62.Passive impact block 63 is provided with the second bump step 67b; The second bump step 67b is corresponding with the first bump step 67a on the active impact block 62; And both are butt each other, thereby makes transmission of power give movement conversion mechanism 7 through the gearing of active impact block 62 and passive impact block 63.
Press starting switch 13 when operating, motor 3 produces rotation and exports 61 rotations of drive jackshaft, and jackshaft 61 drives active impact block 62 with jackshaft 61 rotations through rolling member 66.Initiatively second on first bump step 67a on the impact block 62 and the passive impact block 63 clashes into the mutual butt of step 67b, and initiatively impact block 62 is static relatively with passive impact block 63 thereby make.Initiatively the passive impact block 63 of impact block 62 drives rotates together.And then transmission of power is given movement conversion mechanism 7.Make load become big and when reaching certain preset value when cutting runs into bigger resistance, passive impact block 63 rotates and makes when being obstructed initiatively that the passive relatively impact block 63 of impact block 62 rotates, and can't drive passive impact block 63 and rotate.Initiatively impact block 62 611 moves to motor 3 vertically, thus when the first bump step 67a is thrown off with the second bump step 67b initiatively impact block 62 further push elastic components 64.Initiatively impact block 62 is thrown off with passive impact block 63, and passive impact block 63 loses the restriction to active impact block 62.Under the effect of the elastic-restoring force of elastic component 64; Initiatively impact block 62 moves axially to passive impact block 63 rapidly; Because rolling member 66 moves, make that initiatively impact block 62 rotatablely moves around the passive relatively impact block 63 of axis 611 simultaneously in cam path 65a, 65b.Initiatively 62 pairs of passive impact blocks 63 of impact block produce rotary impact thus, and the moment of rotary impact can produce bigger dynamic torque to overcome the resistant load that acts on the passive impact block 63.In a word, rotary impact mechanism 6 converts the rotation output of motor 3 rotary impact output into and passes to movement conversion mechanism 7.
Because rotary impact mechanism 6 can provide rotary impact output, makes electronic beta pruning machine 1 that bigger cutting force can be provided, thereby has improved cutting power.Can know that according to the experimental data that provides like table 1 under identical power initial conditions, the cutting power with electronic beta pruning machine 1 of rotary impact mechanism 6 has had significant raising than the cutting power of the electronic beta pruning machine 1 that does not have beater mechanism 6.
Table 1
Therefore according to last table, but the maximum gauge scope of electronic beta pruning machine 1 cut workpiece at 0 to 95 millimeter, when power brick 32 voltages of installing when electronic beta pruning machine 1 are 10.8 volts, but the maximum gauge scope of cut workpiece is at 0 to 65 millimeter.The maximum gauge scope of the cut workpiece of electronic beta pruning machine 1 is not less than 10 millimeters.
Like Fig. 3 and shown in Figure 6, movement conversion mechanism 7 is between the rotary impact mechanism 6 and second auxiliary member 8.Movement conversion mechanism 7 mainly comprises screw rod 71 and nut 72.Movement conversion mechanism 7 all is positioned at housing 2 with motor 3.In the present embodiment, screw rod 71 extends axially, and an end connects passive impact block 63, and the kinetic force of passive impact block 63 is delivered on the screw rod 71.Screw rod 71 can receive the driving of rotary impact mechanism 6 and rotate around axis 611, moves axially but can't produce.Screw rod 71 is supported on the bracing frame 73.Bracing frame 73 roughly extends along axis 611, and bracing frame 73 can be one-body molded with housing 2, also can be fixedly connected through common fixed forms such as screws with housing 2.Bracing frame 73 is provided with the guiding groove 74 that extends along axis 611, and screw rod 71 is arranged in this guiding groove 74, and the length of guiding groove 74 is not less than the length of screw rod 71.The guiding groove 74 here can be a form of grooves, also can be the groove form.One end of guiding groove 74 is provided with retaining element 75, and retaining element 75 can be fixed on the bracing frame 73 through screw, also can be shaped on the bracing frame 73.This retaining element 75 passes to hold screw rod 71 ringwise, and is provided with ball bearing in the retaining element 75 and supports screw rod 71.Screw rod 71 is provided with external screw thread 711.In addition, also be provided with parallel with the bearing of trend of guiding groove 74 guide rail 76 on the bracing frame 73, guide rail 76 also can be the form of groove or groove.Second auxiliary member 8 also can screw etc. common fixed form be fixedly mounted on the bracing frame 73.The quantity of guide rail 76 is 2 and the symmetrical both sides that are distributed in guiding groove 74.Certainly, the present invention does not limit the use guide rail, and the device that other forms play the guiding role also is fine, for example guide groove.
Have nut sleeve 721 on the nut 72 and be socketed on the screw rod 71, be provided with internal thread in the nut sleeve 721, internal thread and external screw thread 711 are meshing with each other nut 72 can be moved along screw rod 71.Thereby convert rotatablely moving of screw rod 71 into nut 72 moving axially along screw rod 71.Also be provided with extension block 723 on the nut 72.The quantity of extension block 723 is 2, is symmetricly set on the radially both sides of nut sleeve 721.And on each extension block 723, be provided with guide finger 724.Certainly guide finger 724 also can be set directly on the nut sleeve 721, and the quantity of guide finger 724 is not limit.Guide finger 724 just in time can be inserted in the guide rail 76, and moves along the bearing of trend of guide rail 76, thereby nut 72 is moved axially along guide rail 76.Guide finger 724 constitutes guider with guide rail 76.Guider also comprises other elements.As shown in Figure 5, also be fixedly connected with first auxiliary member 9 on the nut 72.First auxiliary member 9 is fixedly connected with extension block 723 on the nut 72 through common fixture such as screw, and the auxiliary member 9 of winning is moved along straight line with nut 72.First auxiliary member 9 roughly extends and receives the driving of motor 3 and transmission mechanism 4 along longitudinally.But first auxiliary member 9 towards the rear end and a side of motor 3 be provided with the holding tank 91 of holding portion screw rod 71.The bearing of trend of holding tank 91 is consistent with the bearing of trend of screw rod 71.When first auxiliary member 9 moved with nut 72, when especially nut 72 moved near retaining element 75, screw rod 71 can extend into the holding tank 91 from the edge of first auxiliary member 9.Like this, through movement conversion mechanism 7, the rotary impact output of rotary impact mechanism 6 is converted into the straight reciprocating motion of first auxiliary member, 9 relative second auxiliary members 8.Second auxiliary member 8 is fixedly mounted on the bracing frame 73, and formation can be held the through hole that first auxiliary member 9 passes between second auxiliary member 8 and bracing frame 73.When nut 72 moved near second auxiliary member 8 on screw rod 71, first auxiliary member 9 passed this through hole and gets into the accommodation section 83 of second auxiliary member 8.In addition, be respectively equipped with gear spare 80 on the blocking arm 82 of second auxiliary member 8 and on the retaining element 75, limiting nut 72 between two gear spares 80.80 pairs of nuts 72 of gear spare are played limit the effect that it moves, and nut 72 can not broken away from from screw rod 71.
Certainly movement conversion mechanism 7 can also have other forms with shearing cooperating of the edge of a knife 5.Shown in figure 10, shear the edge of a knife 5 and mainly form by second auxiliary member 8 and first auxiliary member 9.8 fixing being installed on housing 2 or the bracing frame 73 of second auxiliary member.Second auxiliary member 8 is connected through first pivotal axis 78 with first auxiliary member 9, and the auxiliary member 9 of winning can be produced relative rotation with second auxiliary member 8 around first pivotal axis 78.First auxiliary member 9 and second auxiliary member 8 constitute the structure of similar scissors.In addition, also be provided with second pivotal axis 79 on first auxiliary member 9.Movement conversion mechanism 7 comprises screw rod 71, nut 72 and pull bar 77.The setting and the embodiment before of screw rod 71 and nut 72 are similar, have just no longer described at this.One end attaching nut 72 of pull bar 77, the other end couples together the connecting rod 77 and first auxiliary member 9 through second pivotal axis 79.During work, nut 72 is along screw rod 71 rectilinear motions, and pushing drawing rod 77.Pull bar 77 spurs first auxiliary member 9 through second pivotal axis 79, thereby the auxiliary member 9 of winning is rotated around first pivotal axis 78.
Another embodiment that movement conversion mechanism 7 shown in figure 11 cooperates with the shearing edge of a knife 5.Shear the edge of a knife 5 and have second auxiliary member 8 and first auxiliary member 9 equally.Connect through first pivotal axis 78 between second auxiliary member 8 and first auxiliary member 9.First auxiliary member 9 is provided with end face tooth 92.Movement conversion mechanism 7 comprises screw rod 71, nut 72, tooth bar 93 and gear 94.Tooth bar 93 is fixedly attached on the nut 72, and extends along axis 611.The peripheral surface of tooth bar 93 has helical tooth, and meshes with gear 94.Simultaneously gear 94 again with first auxiliary member 9 on end face tooth 92 mesh.During work, nut 72 is along screw rod 71 rectilinear motions, and promotion tooth bar 93 straight lines move.The straight line of tooth bar 93 moves and drives gear 94 rotations that are engaged with, and gear 94 drives first auxiliary member 9 again and rotates around first pivotal axis 78.Can know through Figure 10 and embodiment shown in Figure 11,, the rotation of motor 3 output is converted into first auxiliary member 9 rotatablely moving with respect to second auxiliary member 8 through movement conversion mechanism 7.
As shown in Figure 6, also be provided with cutting edge 10 on the shearing edge of a knife of forming by second auxiliary member 8 and first auxiliary member 95, cutting edge 10 is used for the cut substrate workpiece.Cutting edge 10 can be installed on second auxiliary member 8 or first auxiliary member 9 on, perhaps on second auxiliary member 8 and first auxiliary member 9, be provided with cutting edge 10 simultaneously.In the present embodiment, cutting edge 10 is arranged on first auxiliary member 9.Cutting edge 10 can be one-body molded with first auxiliary member 9 or be fixedly connected.For reaching better cutting effect, the cutting part 101 on the cutting edge 10 has certain angle of inclination with longitudinally.Particularly, the sizing hook on second auxiliary member 8 84 of cutting part 101 extends.In other embodiment, as shown in Figure 7, on the blocking arm that is arranged on second auxiliary member 8 82 that cutting edge 10 is fixed, and cutting part 101 is towards first auxiliary member 9.As 8 and shown in Figure 9; The benefit that cutting edge 10 is set like this is: because work habit cutting branch all is to pressing down with electronic beta pruning machine 1; The gravity G of branch can be pressed on first auxiliary member 9 in cutting process, thereby avoids gravity pressure on cutting edge 10, to cause the wearing and tearing of cutting edge 10 easily.
During operate as normal; Object is put into the shearing edge of a knife 5; Push switch 13 control motors 3 are just changeing with drive screw 71 around axis 611 rotations then, and screw rod 71 drives the nut 72 that is engaged with and moves along axis 611 forward end 21, thereby first auxiliary member 9 is moved to second auxiliary member 8; Make the object that is positioned at the shearing edge of a knife 5 receive clamping; And be sheared cutting edge 10 cutting of the edge of a knife 5, because the existence of rotary impact mechanism 6, the power that makes motor 3 provide can overcome bigger resistance object is downcut like a cork.After cutting finished, switch 13 was controlled motor 3 counter-rotatings again, nut 72 22 is moved along axis 611 to the back-end, thereby make first auxiliary member 9 to moving away from second auxiliary member, 8 directions, and opening 81 is opened again.Repeat just can carry out the shearing work of a new round after an aforesaid operations process this moment again.
For shearing the branch that is in eminence, especially telescopic prolongation handle 14 can be installed in the housing rear end 22 of electronic beta pruning machine 1 in the place that reaches of staff.Shown in figure 12, prolongation handle 14 comprises that first prolongs the coupling assembling 143 that pipe 141, second prolongs pipe 142 and prolongs between the pipe 142 at the first prolongation pipe 141 and second.The upper end of the first prolongation pipe 141 can be threaded with the rear end 22 of housing 2.Coupling assembling 143 comprises that being installed in second prolongs the lock tube 144 in pipe 142 upper ends and be installed in the adapter sleeve 145 that 141 lower ends are managed in first prolongation.Lock tube 144 and adapter sleeve 145 are connected through thread forms.Lock tube 144 has the bellmouth structure that radius reduces gradually, when lock tube 144 along screwed, lock tube 144 extruding adapter sleeves 145 prolong pipe 142 and fix to prolong pipe 141 and second with first.In addition, for ease of operation, second prolong pipe 142 lower end be provided with switch 13 and detachable battery bag 32.
In a word, the present invention is not limited to the specific embodiment structure of being lifted, and the structure of conceiving based on the present invention all belongs to protection domain of the present invention.
Claims (10)
1. electronic beta pruning machine comprises the housing of longitudinal extension; The motor that is positioned at said housing and provides rotation to export; The transmission mechanism that connects said motor; First auxiliary member by said transmission mechanism driving; Second auxiliary member that is connected with said housing; Has the receiving space of at least partly accommodating workpiece between said first auxiliary member and said second auxiliary member; In said first auxiliary member and said second auxiliary member at least one is provided with cutting edge; Said transmission mechanism comprises that driving said first auxiliary member moves to cut the movement conversion mechanism of said workpiece relative to said second auxiliary member; It is characterized in that: said transmission mechanism also comprises rotary impact mechanism; When load reached the certain predetermined value, said rotary impact mechanism was converted into the rotation output of said motor rotary impact output and passes to said movement conversion mechanism.
2. electronic beta pruning machine according to claim 1; It is characterized in that: said transmission mechanism comprises the jackshaft that is connected with said motor; Said rotary impact mechanism comprises the passive impact block that connects said movement conversion mechanism and the active impact block of said relatively passive impact block rotation, and said active impact block can move axially by said relatively jackshaft.
3. electronic beta pruning machine according to claim 2; It is characterized in that: said active impact block is placed on the said jackshaft; Said active impact block has the first bump step; Said passive impact block has the second bump step, said second bump step and said first bump step butt or the disengagement, thus make said active impact block and said passive impact block is static relatively or rotation.
4. electronic beta pruning machine according to claim 3, it is characterized in that: said jackshaft is provided with first groove; Said active impact block is provided with second groove, and said rotary impact mechanism also comprises and partly is contained in the rolling member of said first groove and said second groove and is connected to the bias piece between said active impact block and the said housing simultaneously.
5. electronic beta pruning machine according to claim 1 is characterized in that: said first auxiliary member and said second auxiliary member form the shearing edge of a knife with opening, and the direction of said opening is vertical with said longitudinal extension direction.
6. electronic beta pruning machine according to claim 1 is characterized in that: said cutting edge is arranged on said second auxiliary member.
7. electronic beta pruning machine according to claim 1 is characterized in that: said cutting edge is arranged on said first auxiliary member, and said cutting edge and said longitudinal extension direction have the angle of inclination.
8. electronic beta pruning machine according to claim 1; It is characterized in that: on said movement conversion mechanism comprises the screw rod that connects said rotary impact mechanism and is socketed in said screw rod and be fixedly connected the nut of said first auxiliary member, said screw rod drives said nut and moves axially.
9. electronic beta pruning machine according to claim 1 is characterized in that: said electronic beta pruning machine comprises the telescopic prolongation handle of being located at said housing rear end.
10. electronic beta pruning machine according to claim 1 is characterized in that: the diameter range of said workpiece is 0 to 95 millimeter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100083424A CN102577844B (en) | 2011-01-14 | 2011-01-14 | Electric pruning device |
| PCT/CN2012/070358 WO2012095028A1 (en) | 2011-01-14 | 2012-01-14 | Electric pruner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100083424A CN102577844B (en) | 2011-01-14 | 2011-01-14 | Electric pruning device |
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| Publication Number | Publication Date |
|---|---|
| CN102577844A true CN102577844A (en) | 2012-07-18 |
| CN102577844B CN102577844B (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100083424A Active CN102577844B (en) | 2011-01-14 | 2011-01-14 | Electric pruning device |
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| CN (1) | CN102577844B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105475004A (en) * | 2016-01-31 | 2016-04-13 | 李钦源 | Electric fruit tree pruning machine |
| CN107810076A (en) * | 2015-06-24 | 2018-03-16 | 佩朗股份有限公司 | Portable power tool including epicyclic reduction gear |
| CN114145146A (en) * | 2020-09-08 | 2022-03-08 | 苏州吉锂智能科技有限公司 | Built-in translation tool bit formula electric flower and tree is cut |
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| CN2896850Y (en) * | 2006-02-14 | 2007-05-09 | 陈寅 | Direct-current pruner |
| WO2008023705A1 (en) * | 2006-08-24 | 2008-02-28 | Max Co., Ltd. | Electric pruning shears |
| CN101653082A (en) * | 2009-09-11 | 2010-02-24 | 李爱良 | Charge type brush cutter |
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| US4707917A (en) * | 1986-01-23 | 1987-11-24 | Westover Dwight G | Methods and apparatus for cutting rod-like objects |
| JP2001340023A (en) * | 2000-05-31 | 2001-12-11 | Nishigaki Kogyo Kk | Electrically-powered high twig shear |
| CN2896850Y (en) * | 2006-02-14 | 2007-05-09 | 陈寅 | Direct-current pruner |
| WO2008023705A1 (en) * | 2006-08-24 | 2008-02-28 | Max Co., Ltd. | Electric pruning shears |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107810076A (en) * | 2015-06-24 | 2018-03-16 | 佩朗股份有限公司 | Portable power tool including epicyclic reduction gear |
| CN105475004A (en) * | 2016-01-31 | 2016-04-13 | 李钦源 | Electric fruit tree pruning machine |
| CN114145146A (en) * | 2020-09-08 | 2022-03-08 | 苏州吉锂智能科技有限公司 | Built-in translation tool bit formula electric flower and tree is cut |
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| Publication number | Publication date |
|---|---|
| CN102577844B (en) | 2013-11-27 |
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