CN102554334A - Cutting accessory and swing power tool using same - Google Patents

Cutting accessory and swing power tool using same Download PDF

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Publication number
CN102554334A
CN102554334A CN2010105969028A CN201010596902A CN102554334A CN 102554334 A CN102554334 A CN 102554334A CN 2010105969028 A CN2010105969028 A CN 2010105969028A CN 201010596902 A CN201010596902 A CN 201010596902A CN 102554334 A CN102554334 A CN 102554334A
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China
Prior art keywords
cutting
output shaft
actuator
head
attachment
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Granted
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CN2010105969028A
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Chinese (zh)
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CN102554334B (en
Inventor
钟红风
张士松
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Positec Power Tools Suzhou Co Ltd
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Positec Power Tools Suzhou Co Ltd
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Application filed by Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Priority to CN201010596902.8A priority Critical patent/CN102554334B/en
Priority to PCT/CN2011/084036 priority patent/WO2012079519A1/en
Priority to EP11847940.1A priority patent/EP2653275A4/en
Priority to US13/994,693 priority patent/US20130263456A1/en
Publication of CN102554334A publication Critical patent/CN102554334A/en
Application granted granted Critical
Publication of CN102554334B publication Critical patent/CN102554334B/en
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Abstract

A cutting accessory is detachably mounted on a swing power tool. The swing power tool comprises a head shell and an output shaft extending out of the head shell, wherein the output shaft is capable of swinging in a reciprocating manner around the axis of the output shaft. The cutting accessory comprises a shell, two movable blades and a driving part, wherein the shell can be connected with the head shell in a matched manner, the two movable blades are partially contained in the shell, the driving part is connected with the output shaft in a matched manner, and the two movable blades are respectively provided with a head, a cutting portion and a connecting portion positioned between the head and the cutting portion. The two heads are respectively matched with the driving part, the two connecting portions are pivotally mounted on the shell through pivots, and the driving part is driven by the output shaft to rotatably swing in a reciprocating manner and drives the cutting portions of the two movable blades to rotatably swing in a reciprocating manner along opposite directions to realize cutting. The cutting accessory is simple in structure and high in cutting efficiency.

Description

Cutting attachment and use the swing power tool of this annex
Technical field
The present invention relates to a kind of cutting attachment, especially dismountable cutting attachment that is connected on the swing power tool.The invention still further relates to a kind of swing power tool that uses cutting attachment.
Background technology
Multi Role Aircraft is the common swing class power tool of industry; Because its output shaft is done rotational oscillating motion around axial line; Therefore, after different annex working heads is being installed on the output shaft, can realize multiple different operation function; As sawing, cut, grind, scrape etc., to adapt to the different working demand.
Yet existing Multi Role Aircraft does not have and is exclusively used in the annex working head of realizing shearing manipulation, if use existing annex working head, like saw blade etc., cutting effect is also undesirable.Therefore, also need other instrument,, realize user's shearing demand like electric shear.
At present, electric shear commonly used comprises two blades, and one of them is a ledger-plate usually, and another then is the cutting blade with respect to the ledger-plate motion.Cutting blade is connected with power transmission shaft, under the effect of motor, can produce oscillating traverse motion, and it is fixed that ledger-plate then keeps.Thus, by the reciprocating motion of cutting blade, realize the shear action of scissors.
Industry needs a profit to can be applicable to swing the cutting attachment on the power tool, with the range of application of expansion Multi Role Aircraft.Address that need, German publication application DE102008030024A1 has disclosed a kind of cutting attachment that can be applicable on the Multi Role Aircraft.The structure of this cutting attachment is close with the structure of electric shear, comprises fixing ledger-plate equally and the cutting blade of reciprocally swinging under the drive of the output shaft of oscillating machine.
Yet the above-mentioned cutting attachment that is applied to swing power tool has only cutting blade to apply cutting force to object when shearing object, therefore exists cutting force not enough, the deficiency that cutting efficiency is low.
Therefore, be necessary to provide a kind of improved cutting attachment really, to overcome the above-mentioned existing deficiency of cutting attachment that is applied to swing on the power tool.
Summary of the invention
One of the object of the invention is to provide a kind of cutting attachment, its dismountable being installed on the swing power tool, and cutting efficiency is high.
For realizing above-mentioned purpose, the technical scheme that the present invention adopted is following: a kind of cutting attachment, dismountable being installed on the swing power tool.Said swing power tool comprise head capsule and in the head capsule extended output shaft, said output shaft can be around himself axis rotation reciprocally swinging.Said cutting attachment comprises and can be housed in two cutting blades in the said housing and the actuator that connects with said output shaft with housing, the part that said head capsule connects.Wherein, said two cutting blades all have head, cutting part and the connecting portion between said head and cutting part, and said two head part do not cooperate with said actuator, and said two connecting portions articulate through pivot and are installed on the said housing.It is moving that said actuator transfers physical pendulum at the drive underspin of output shaft, the cutting part that drives said two cutting blades along opposite direction rotation reciprocally swinging to realize cutting.
Preferably; Said actuator is provided with installation portion and symmetrically arranged two drive divisions of said relatively installation portion that connect with said output shaft; Two drive divisions of said actuator are matched with the head of said two cutting blades respectively, and said actuator is connected to said output shaft through said installation portion.
Preferably, one of the drive division of said actuator and head of said cutting blade are provided with chute, and another among said drive division and the said head is provided with and is housed in the said chute and the roller that can in said chute, move.
Preferably, said fluting comprises two straightways that laterally arrange that are positioned at the middle part.
Preferably, the line angle between the center of the straightway of said fluting and said fluting does not wait.
Preferably, the center of said roller equates to the distance at the center of said pivot.
Preferably, said two cutting blades are articulated on the same said pivot, and the axis of said pivot and the axis of said output shaft parallel.
Preferably, said housing comprises upper shield and the lower shield that connects with upper shield, and said actuator and two cutting blades are arranged between said upper shield and the lower shield.
Preferably, said housing be provided with the opening that supplies said output shaft to pass, with location division and pivot that said head capsule connects, said two cutting blades intersect and are articulated on the said pivot.
Preferably, said housing is provided with the groove of accommodating actuator, and it is moving that said actuator can transfer physical pendulum in said groove inward turning.
Another object of the present invention provides a kind of swing power tool, and this power tool is simple in structure, and cutting efficiency is high.
Be to realize above-mentioned purpose, technical scheme of the present invention is: a kind of swing power tool, comprise head capsule, in the head capsule extended output shaft and be installed in the cutting attachment on the output shaft, said output shaft can be around himself axis rotation reciprocally swinging.Said cutting attachment comprises two cutting blades that can be pivoted relative to each other and the actuator that connects with said output shaft.Said two cutting blades all have head, cutting part and the connecting portion between said head and cutting part.Said two head part do not cooperate with said actuator, and said two connecting portions articulate through pivot and are installed on the said head capsule.It is moving that said actuator transfers physical pendulum at the drive underspin of output shaft, the cutting part that drives said two cutting blades along opposite direction rotation reciprocally swinging to realize cutting.
Cutting attachment among the present invention; Dismountable being installed on the Multi Role Aircraft; Two cutting blades relatively back and forth rotate and realize objects of cutting under actuator drives; Well simulated the operation principle of common scissors commonly used, two cutting blades can apply cutting force to object simultaneously, thereby have improved cutting efficiency greatly.
Description of drawings
Fig. 1 is for being equipped with the schematic perspective view of the swing power tool of cutting attachment in the preferred embodiment for the present invention;
Fig. 2 is the schematic perspective view of swing power tool other direction shown in Figure 1;
Fig. 3 is the part-structure sketch map of swing power tool among Fig. 1;
Fig. 4 is the stereogram (front) of cutting attachment shown in Fig. 1;
Fig. 5 is the stereogram (back side) of cutting attachment shown in Fig. 1;
Fig. 6 is the perspective exploded view of cutting attachment shown in Figure 3;
Fig. 7 is the perspective exploded view of the other direction of cutting attachment shown in Figure 3;
Fig. 8 is the structural representation after cutting attachment shown in Figure 3 is removed lower shield;
Fig. 9 is the user mode reference diagram of cutting attachment shown in Figure 4, and at this moment, the cutting angle between two cutting blades is α 1;
Figure 10 is the user mode reference diagram of cutting attachment shown in Figure 4, and at this moment, the cutting angle between two cutting blades is α 2;
Figure 11 is the user mode reference diagram of cutting attachment shown in Figure 4, and at this moment, the cutting angle between two cutting blades is α 3.
Related elements reference numeral in the diagram is following:
100. swing power tool 15. switches 208. second grooves
1. swing main frame 2. cutting attachments 21. lower shields
10. casing 20. upper shields 211. through holes
11. output shaft 201. screwed holes 212. perforates
111. boss 202. pedestals 22. actuators
112. screwed hole 203. location divisions 221. through holes
113. flange 204. openings 222. first drive divisions
12. head capsule 205. sections of accommodating 223. second drive divisions
13. tail shell 206. positioning sections 224. first sides
14. cable 207. first grooves 225. second sides
226. installation portion 232. first cutting parts 245. second rollers
227. first chute, 233. first connecting portions, 25. bolts
2271. first straightway, 234. first perforation, 26. reinforcements
2272. first arc section, 235. first rollers, 261. sleeve pipes
228. second chute, 24. second cutting blades, 262. pivots
2281. second straightway, 241. second heads, 263. screws
2282. second arc section, 242. second cutting parts, 27. housings
23. first cutting blade, 243. second connecting portions, 3. locking parts
231. first head, 244. second perforation
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed description.
See also Fig. 1 to Fig. 3, be a kind of swing power tool 100 that the preferred embodiment for the present invention provides, comprise swing main frame 1 and the cutting attachment 2 that is installed on the swing main frame 1, swing main frame 1 drives cutting attachment 2 and realizes cutting function.
In specification full text, the right side that defines swing power tool 100 as shown in fig. 1 is " preceding ", and the left side is " back ".Swing main frame 1 comprises casing 10, is housed in motor (not shown) and transmission mechanism (not shown) in the casing 10, and by the output shaft 11 of transmission mechanism driving.Wherein, casing 10 extends along longitudinally, comprises head capsule 12 that is positioned at swing main frame 1 front portion and the tail shell 13 that is positioned at head capsule 10 rear portions.Motor is arranged at the inside of tail shell 13; Transmission mechanism is arranged at the inside of head capsule 12; Motor shaft extends with transmission mechanism matched forward, and transmission mechanism converts rotatablely moving of motor shaft output the rotation oscillating traverse motion of output shaft 11 around himself axis X into.Cutting attachment 2 is arranged on the below of head capsule 12 of swing main frame 1, with the setting of tail shell 13 almost parallels of swing main frame 1, and axially is connected on the output shaft 11 through locking part 3.
Swing main frame 1 also comprises and is connected in tail shell 13 rear portions and for motor provides the cable 14 of electric power, and the switch 15 of control power delivery.When switch 15 was connected, motor-driven cutting attachment 2 carried out cutting operation; When switch 15 broke off, motor stopped the rotation, and 2 of cutting attachments quit work.
Head capsule 12 is roughly L-shaped, and the one of which end is connected with tail shell 13, and the other end roughly is the truncated cone-shaped of shrinking gradually.Output shaft 11 is housed in the head capsule 12, and one of which end and above-mentioned transmission mechanism are matched, and the other end extends from the free end of head capsule 12, and the bearing of trend approximate vertical of the bearing of trend of output shaft 11 and tail shell 13.The end of output shaft 11 is provided with and is orthohexagonal boss 111, and the middle part of boss 111 is provided with screwed hole 112, to accommodate pin firmware 3.The free end of output shaft 11 also is provided with the flange 113 of ring-type around boss 111, and the upper surface of flange 113 is lower than the upper surface of boss 111, with radial support cutting tool 2.
See also Fig. 4 and Fig. 5, in this embodiment, cutting attachment 2 is detachable split-type design with swing main frame 1, and cutting attachment 2 is mounted on the swing main frame 1 through locking part 3 as an independent annex.First cutting blade 23 and second cutting blade 24 that this cutting attachment 2 comprises housing 27, is housed in the actuator 22 in the housing 27 and partly extends housing 27.In this embodiment, housing 27 comprises upper shield 20 and the lower shield 21 that connects with upper shield 20, and the actuator 22 and first cutting blade 23 and second cutting blade 24 are housed in respectively in the space of upper shield 20 and lower shield 21 formation.First cutting blade 23 and second cutting blade 24 are connected the two ends of actuator 22, and first cutting blade 23 and second cutting blade, 24 intersections are articulated, and upper shield 20 pivots are provided with relatively.After being mounted to cutting attachment 2 on the swing main frame 1; During 1 work of swing main frame; Motor-driven output shaft 11 rotation reciprocally swingings; And then the actuator 22 rotation reciprocally swingings that connect of drive and output shaft 11,22 of actuators and then drive first cutting blade 23 and second cutting blade 24 rotates reciprocally swingings relatively and realizes cutting function.
Please refer to Fig. 6 and Fig. 7, introduce the concrete structure of cutting attachment 2 in detail.Wherein, it is injection molded that upper and lower guard shield 20,21 all adopts plastic material processing.Lower shield 21 roughly is square, and evenly offers three through holes 211 on its edge, and then corresponding above-mentioned through hole 211 offers three screwed holes 201 on the upper shield 20.Three bolts 25 pass three through holes 211 of lower shield 21 respectively, be connected in three screwed holes 201 of upper shield 20, thereby lower shield 21 and upper shield 20 are fixed together.
Upper shield 20 is a hollow form, and it comprises the pedestal 202 that roughly is square and is connected the location division 203 on the pedestal 202.Plane, pedestal 202 place is perpendicular to the axis X of output shaft 11, and the center is provided with circular open 204.The shape of the shape of location division 203 and above-mentioned head capsule 12 is roughly suitable, and can closely cooperate together with head capsule 12 just.Location division 203 forms towards output shaft 11 extensions from a side of pedestal 202, and it comprises hollow cylindrical section of accommodating 205 that centers on opening 204 and " U " shape positioning section 206 that forms towards 13 extensions of tail shell from the section of accommodating 205 1 sides.Location division 203 can be coated on the below of head capsule 12 like this, and through the acting in conjunction of section of accommodating 205 and positioning section 206, cutting attachment 2 can conveniently be mounted to swing main frame 1, and in the process of work, is difficult for being shifted.
One metal reinforcement 26 also is installed on the upper shield 20; This reinforcement 26 is long and narrow bar shaped; The one of which end is provided with the ring sleeve 261 in the opening 204 that extends into upper shield 20; The pivot 262 that the other end extends along the axis X of output shaft 11 towards lower shield 21, promptly the parallel axes of pivot 262 is in the axis X of output shaft 11.Wherein, the external diameter of the flange 113 on the internal diameter of sleeve pipe 261 and the output shaft 11 is suitable, flange 113 can be housed in the sleeve pipe 261 completely, and both contacts closely.For reinforcement 26 is installed, upper shield 20 bottoms offer first groove 207 suitable with reinforcement 26 shapes towards lower shield 21.Pivot 262 is a hollow cylindrical, and above-mentioned first cutting blade 23 and second cutting blade, 24 cross caps are located on the pivot 262, and pivot 262 is pivoted relative to each other relatively.Reinforcement 26 also comprises the screw 263 of accommodating to pivot 262, is used for axial location first cutting blade 23 and second cutting blade 24.
Lower shield 21 be installed in upper shield 20 pedestal 202 on, thereby with actuator 22, first cutting blade 23, second cutting blade 24 be housed in upper and lower guard shield 20, in the space that forms between 21.Through lower shield 21 is installed, make whole cutting attachment 2 structures more firm compact on the one hand, also can play the dustproof effect on the other hand, avoid inner actuator 22 and two cutting blades 23,24 to receive contamination by dust.Lower shield 21 is close with pedestal 202 profiles of upper shield 20; The center is provided with the perforate 212 corresponding with the opening of upper shield 20 204; The internal diameter of perforate 212 is greater than the maximum outside diameter of locking part 3, thereby makes locking part 3 can pass the perforate 212 of lower shield 21 and connect with actuator 22.
Two cutting blades 23,24 are all roughly L-shaped, intersect to be articulated on the pivot 262 of reinforcement 26, and are similarly metal material.First cutting blade 23 has first head 231, and first head 231 first cutting part 232 and first connecting portion 233 between first head 231 and first cutting part 232 that are oppositely arranged, and first connecting portion 233 is provided with perforation 234; Correspondingly, second cutting blade 24 has second head 241, and second head 241 second cutting part 242 and second connecting portion 243 between second head 241 and second cutting part 242 that are oppositely arranged, and second connecting portion 243 is provided with second perforation 244.First cutting blade 23, second cutting blade 24 are set on the pivot 262 of reinforcement 26 through first perforation, 234, second perforation 244 respectively successively, and are superimposed, and first cutting part 232 extends housing 27 with second cutting part 242, so that cut.In addition, for connecting with actuator 22, first cutting blade 23 is provided with and is installed in first head, 231 free-ended first roller, 235, the second cutting blades 24 and is provided with and is installed in second head, 241 free-ended second rollers 245.For ease of cutting; The angle that forms between the head of the present invention's two cutting blades and the cutting part does not wait; In this embodiment; First head 231 and the angle between first cutting part 232 of first cutting blade 23 are roughly rectangular, and second head 241 of second cutting blade 24 and the angle between second cutting part 242 are roughly in obtuse angle.Opened with certain angle between first cutting part 232 and second cutting part 242 forms opening, during cutting, object is at first got in the opening between first cutting part 232 and second cutting part 242, thereby be convenient to object is cut.
Actuator 22 is used for connecting with output shaft 11, under the driving of output shaft 11, drives two cutting blades, 23,24 relative rotational oscillating motions, thereby realizes cutting operation.Be provided with second groove 208 of accommodating actuator 22 on the upper shield 20 towards the side of lower shield 21; Second groove 208 and 207 square crossings of first groove; The shape of second groove 208 is similar with actuator 22; But size makes actuator 22 in second groove 208, can rotate reciprocally swinging with certain angle around the axis X of output shaft 11, and can not interfere with each other greater than actuator 22.Actuator 22 is a metal material, and substantially oblong-shaped, and the center offers the through hole 221 that supplies locking part 3 to pass, and two ends are symmetrically arranged with first drive division 222 and second drive division 223.Actuator 22 has towards first side 224 of upper shield 20 with towards second side 225 of lower shield 21, and wherein, first side 224 is provided with the installation portion 226 that cooperates with the boss 111 of output shaft 11, and this installation portion 226 is positive dodecagon depression; Second side 225 is provided with first chute 227, second chute 228 that lays respectively on first drive division 222 and second drive division 223.Installation portion 226 is positioned at the center of actuator 22, and perforation 221 is passed installation portion 226 from centermost.First roller, 235, the second chutes 228 that first chute 227 is used to accommodate first cutting blade 23 are used to accommodate second roller 245 of second cutting blade 24.First chute 227, second chute 228 are the identical long waist shaped of size, and first roller 235, second roller 245 can be respectively slide at first chute 227, second chute 228.
Please be shown in Figure 8, the center of actuator 2 is A, and in state shown in this figure, first chute 227 overlaps with the center of first roller 235 and is B, and the center of second chute 228 and second roller 245 overlaps and is C, and the center of pivot 262 is D.First chute 227 comprises and is positioned at two first straightways 2271 that laterally arrange at middle part and first arc section 2272 that is symmetrically located at two ends; Correspondingly, second chute 228 comprises and is positioned at two second straightways 2281 that laterally arrange at middle part and second arc section 2282 that is symmetrically located at two ends.The angle that forms between the center line BC of first straightway 2271 and first chute 227, second chute 228 is that the angle that forms between the center line BC of γ 1, the second straightway 2281 and first chute 227, second chute 228 is γ 2.In addition, the center of first roller 235 and second roller 245 equates that to the distance at the center of pivot 262 promptly BD equates with the CD distance, thereby can swing synchronously when two cutting blades 23,24 are worked, and then the raising cutting efficiency.
The assembling process of cutting attachment 2 is following in this embodiment, at first, reinforcement 26 is installed in first groove 207 of upper shield 20, and pivot 262 is towards lower shield 21; Then, actuator 22 is pressed on the reinforcement 26, and is placed in second groove 208 of upper shield 20; Then, successively first cutting blade 23,24 stacks of second cutting blade are set on the pivot 262 of reinforcement 26, and are housed in the pivot 262 screw 263 fixing; Then, first roller 235 of first cutting blade 23 is housed in first chute 227 of actuator 22, second roller 245 of second cutting blade 24 is housed in second chute 228 of actuator 22; At last, lower shield 21 is fastened on the upper shield 20, and upper and lower guard shield 20,21 is fixed together through three bolts 25.Through above step; Cutting attachment 2 assembled, during use, with cutting attachment 2 connect be positioned to the swing main frame 1 head capsule 12 on after; Locking part 3 passes the perforate 212 of lower shield 21, the through hole 221 of actuator 22 is connected in the screwed hole 112 of output shaft 11; With actuator 22 relative output shaft 11 axial restraints, thereby cutting attachment 2 and swing main frame 1 are fixed together, under the drive of swing main frame 1, realize cutting function.
Below, in conjunction with Fig. 2, Fig. 5, Fig. 9 to Figure 11, describe the incision principle of cutting attachment 2 in detail.Installation portion 226 on the actuator 22 connects with the boss 111 of output shaft 11; First roller 235 on first head 231 of first cutting blade 23 is housed in first chute 227 of actuator 22, and second roller 245 on second head 241 of second cutting blade 24 is housed in second chute 228 of actuator 22.First cutting blade 23 and second cutting blade 24 cross cap pivotly are located on the pivot 262 of reinforcement 26, and through screw 263 axial limitings.
When the work of swing power tool 100, the motor shaft of swing main frame 1 drives output shaft 11 rotation oscillating traverse motions through transmission mechanism, the cooperating of output shaft 11 and then the installation portion 226 through boss 111 and actuator 22 drives actuator 22 and rotates reciprocally swingings.First chute 227 of actuator 22, second chute 228 be with second roller, 245 general size with first roller 235 of corresponding first cutting blade 23, second cutting blade 24 are suitable respectively, first roller 235, second roller 245 can be in corresponding first chute 227, second chute 228 in the rotation madial wall of relative first chute 227, second chute 228 slide.
In this embodiment; The pendulum angle of the output shaft 11 of swing power tool 100 is 2 β; It is the angle value between the extreme position that arrives of the extreme position that swings to clockwise of output shaft 11 and counter-clockwise swing; Wherein, 2 β are between 0.5 ° to 10 °, and the hunting frequency of output shaft 11 is between per minute 500 times to 25000 times.Obviously, the pendulum angle and the hunting frequency of swing power tool 100 are not limited between the above-mentioned scope among the present invention, also can be other numerical value.
Specifically as shown in Figure 9, output shaft 11 drive actuators 22 were rotated counterclockwise and swung to extreme position this moment, and the cutting angle between second cutting part 242 of first cutting part 232 of first cutting blade 23 and second cutting blade 24 is α 1 at this moment.
Shown in figure 10, output shaft 11 drives actuators 22 β that turned clockwise, and is rocked to the initial position of actuator 22.In this process; Actuator 22 turns clockwise around pivot 262 through driving first chute 227 and cooperating of first roller 235 first cutting blade 23; Be rotated counterclockwise around pivot 262 through driving second chute 228 and cooperating of second roller 245 second cutting blade 24 simultaneously; Reduce the spacing between first head 231 and second head 241, and finally make the cutting angle between first cutting part 232 and second cutting part 242 increase to α 2 by α 1.
Shown in figure 11, output shaft 11 drives actuators 22 β that turned clockwise, and is rocked to clockwise extreme position.In this process; Actuator 22 continues to turn clockwise around pivot 262 through driving first chute 227 and cooperating of first roller 235 first cutting blade 23; Continue to be rotated counterclockwise around pivot 262 through driving second chute 228 and cooperating of second roller 245 second cutting blade 24 simultaneously; Continue to reduce the spacing between first head 231 and second head 241, and finally make the cutting angle between first cutting part 232 and second cutting part 242 increase to α 3 by α 2.
Thus, the cutting angle of first cutting blade 23 and second cutting blade 24 increases to α 3 by α 1, thereby accomplishes the operation of opening of scissors annex 2; On the contrary, after actuator 22 is rotated counterclockwise β, then make the cutting angle of first cutting blade 23 and second cutting blade 24 be decreased to α 1, thereby accomplish the closed procedure of cutting attachment 2 by α 3.Go round and begin again, second cutting part 242 of first cutting part, 232 relative second cutting blades 24 of first cutting blade 23 rotation relatively moves back and forth, thereby realizes the objects of cutting effect.
It may be noted that the present invention is not limited to the cutting attachment and swing main frame split setting that is disclosed in the above-mentioned embodiment, is installed on the swing main frame as an annex.Those skilled in the art are easy to expect that cutting attachment of the present invention also can be processed into and swing main frame and be wholely set.
In the above-mentioned embodiment; The boss of output shaft is regular hexagon; The installation portion of actuator is positive dodecagon, thereby boss can be cooperated with installation portion, when being implemented in output shaft rotation reciprocally swinging; Can drive actuator and can not produce relative slip, and can as required actuator be limited in a plurality of different angles position.What it may occur to persons skilled in the art that is, the boss of output shaft and the installation portion of actuator also can be the combinations of alternate manner, and for example the installation portion of actuator is processed into regular hexagon equally; Combining of corresponding hole on some columnar projections on the output shaft and the actuator, perhaps combination of corresponding shape hole etc. on the convexity of other shape (like star) on the output shaft and the actuator.
Compared with prior art, the swing power tool with cutting attachment provided by the invention, output shaft drive actuator rotation reciprocally swinging, actuator and then drive two cutting blades and rotate relatively and move back and forth and realize cutting function.The cutting attachment that is applied to swing power tool that is disclosed in the background technology is realized cutting through a cutting blade and a ledger-plate.Therefore, the cutting attachment that discloses in cutting attachment of the present invention and the above-mentioned above-mentioned background technology is compared, and bigger cutting force can be provided, thereby improve cutting efficiency greatly.
What it may occur to persons skilled in the art that is, the present invention can also have other implementation, but as long as its technical spirit that adopts is identical with the present invention or close, perhaps any variation of making based on the present invention and replacing all within protection scope of the present invention.

Claims (11)

1. cutting attachment; Dismountable being installed on the swing power tool; Said swing power tool comprise head capsule and in the head capsule extended output shaft, said output shaft can is characterized in that around himself axis rotation reciprocally swinging: said cutting attachment comprises and can be housed in two cutting blades in the said housing and the actuator that connects with said output shaft with housing, the part that said head capsule connects; Wherein, Said two cutting blades all have head, cutting part and the connecting portion between said head and cutting part, and said two head part do not cooperate with said actuator, and said two connecting portions articulate through pivot and are installed on the said housing; It is moving that said actuator transfers physical pendulum at the drive underspin of output shaft, the cutting part that drives said two cutting blades along opposite direction rotation reciprocally swinging to realize cutting.
2. cutting attachment as claimed in claim 1; It is characterized in that: said actuator is provided with installation portion and symmetrically arranged two drive divisions of said relatively installation portion that connect with said output shaft; Two drive divisions of said actuator are matched with the head of said two cutting blades respectively, and said actuator is connected to said output shaft through said installation portion.
3. cutting attachment as claimed in claim 2; It is characterized in that: one of the drive division of said actuator and head of said cutting blade are provided with chute, and another among said drive division and the said head is provided with and is housed in the said chute and the roller that can in said chute, move.
4. cutting attachment as claimed in claim 3 is characterized in that: said fluting comprises two straightways that laterally arrange that are positioned at the middle part.
5. cutting attachment as claimed in claim 4 is characterized in that: the line angle between the straightway of said fluting and the center of said fluting does not wait.
6. cutting attachment as claimed in claim 3 is characterized in that: the center of said roller equates to the distance at the center of said pivot.
7. cutting attachment as claimed in claim 1 is characterized in that: said two cutting blades are articulated on the same pivot, and the axis of said pivot and the axis of said output shaft parallel.
8. cutting attachment as claimed in claim 1 is characterized in that: said housing comprises upper shield and the lower shield that connects with upper shield, and said actuator and two cutting blades are arranged between said upper shield and the lower shield.
9. cutting attachment as claimed in claim 1 is characterized in that: said housing be provided with the opening that supplies said output shaft to pass, with location division and pivot that said head capsule connects, said two cutting blades intersect and are articulated on the said pivot.
10. cutting attachment as claimed in claim 1 is characterized in that: said housing is provided with the groove of accommodating actuator, and it is moving that said actuator can transfer physical pendulum in said groove inward turning.
11. swing power tool; Comprise head capsule, extended output shaft and be installed in the cutting attachment on the output shaft in the head capsule; Said output shaft can be around himself axis rotation reciprocally swinging; It is characterized in that: said cutting attachment comprises and can be housed in two cutting blades in the said housing and the actuator that connects with said output shaft with housing, the part that said head capsule connects that wherein, said two cutting blades all have head, cutting part and the connecting portion between said head and cutting part; Said two head part do not cooperate with said actuator; Said two connecting portions articulate through pivot and are installed on the said housing, and it is moving that said actuator transfers physical pendulum at the drive underspin of output shaft, the cutting part that drives said two cutting blades along opposite direction rotation reciprocally swinging to realize cutting.
CN201010596902.8A 2010-12-15 2010-12-15 Cutting accessory and swing power tool using same Active CN102554334B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201010596902.8A CN102554334B (en) 2010-12-15 2010-12-15 Cutting accessory and swing power tool using same
PCT/CN2011/084036 WO2012079519A1 (en) 2010-12-15 2011-12-15 Cutting accessory and oscillating power tool using same
EP11847940.1A EP2653275A4 (en) 2010-12-15 2011-12-15 Cutting accessory and oscillating power tool using same
US13/994,693 US20130263456A1 (en) 2010-12-15 2011-12-15 Cutting accessory and an oscillating power tool using the cutting accessory

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Application Number Priority Date Filing Date Title
CN201010596902.8A CN102554334B (en) 2010-12-15 2010-12-15 Cutting accessory and swing power tool using same

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CN102554334A true CN102554334A (en) 2012-07-11
CN102554334B CN102554334B (en) 2015-04-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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