CN102554334B - Cutting accessory and swing power tool using same - Google Patents
Cutting accessory and swing power tool using same Download PDFInfo
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- CN102554334B CN102554334B CN201010596902.8A CN201010596902A CN102554334B CN 102554334 B CN102554334 B CN 102554334B CN 201010596902 A CN201010596902 A CN 201010596902A CN 102554334 B CN102554334 B CN 102554334B
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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
Technical field
The present invention relates to a kind of cutting attachment, especially dismountable cutting attachment be connected on swing-type power tool.The invention still further relates to a kind of swing-type power tool using cutting attachment.
Background technology
Multi Role Aircraft is the common swing class power tool of industry, because its output shaft does rotational oscillating motion around axial line, therefore, after different operate accessories heads is installed on output shaft, multiple different operating function can be realized, as sawed, cutting, grind, scrape, to adapt to different work requirements.
But existing Multi Role Aircraft does not have the operate accessories head being exclusively used in and realizing shearing manipulation, if use existing operate accessories head, as saw blade etc., cutting effect is also undesirable.Therefore, also need other instrument, as electric shear, realize the shearing demand of user.
At present, conventional electric shear comprises two blades, and one of them is ledger-plate usually, and another is then the cutting blade relative to ledger-plate motion.Cutting blade is connected with power transmission shaft, can produce oscillating traverse motion under the effect of motor, and ledger-plate then keeps maintaining static.Thus, by the reciprocating motion of cutting blade, realize the shear action of scissors.
The cutting attachment that industry needs a profit to can be applicable on swing-type power tool, to expand the range of application of Multi Role Aircraft.Address that need, DE Published Patent application DE102008030024A1 discloses a kind of cutting attachment that can be applicable on 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.
But the above-mentioned cutting attachment being applied to swing-type power tool, when shearing object, only has cutting blade to apply cutting force on object, therefore there is cutting force deficiency, the deficiency that cutting efficiency is low.
Therefore, be really necessary the cutting attachment that a kind of improvement is provided, to overcome the deficiency existing for the above-mentioned cutting attachment be applied on swing-type power tool.
Summary of the invention
An object of the present invention is to provide a kind of cutting attachment, and it is dismountable is arranged on swing-type power tool, and cutting efficiency is high.
For achieving the above object, the technical solution adopted in the present invention is as follows: a kind of cutting attachment, is dismountablely arranged on swing-type power tool.The output shaft that described swing-type power tool comprises head capsule and extends in head capsule, described output shaft can rotate reciprocally swinging around himself axis.Described cutting attachment comprises housing, two cutting blades of partial receipt in described housing and the actuator connected with described output shaft that can connect with described head capsule.Wherein, described two cutting blades all have head, cutting part and the connecting portion between described head and cutting part, and described two head part do not coordinate with described actuator, and described two connecting portions are installed on the housing by pivot pivot joint.Described actuator turns reciprocally swinging at the drive backspin of output shaft, drives the cutting part of described two cutting blades to rotate reciprocally swinging along contrary direction to realize cutting.
Preferably, described actuator is provided with and the installation portion that described output shaft connects and symmetrically arranged two drive divisions of relative described installation portion, two drive divisions of described actuator are matched with the head of described two cutting blades respectively, and described actuator is connected to described output shaft by described installation portion.
Preferably, one of the drive division of described actuator and the head of described cutting blade are provided with chute, and another among described drive division and described head is provided with and is housed in described chute and can the roller of movement in described chute.
Preferably, described fluting comprises two straightways be arranged in parallel being positioned at middle part.
Preferably, the line angle between the straightway of described fluting and the center of described fluting is not etc.
Preferably, the center of described roller is equal to the distance at the center of described pivot.
Preferably, described two cutting blades are articulated on same described pivot, and the axis of described pivot parallels with the axis of described output shaft.
Preferably, the lower shield that described housing comprises upper shield and connects with upper shield, described actuator and two cutting blades are arranged between described upper shield and lower shield.
Preferably, described housing is provided with the opening passed for described output shaft, the location division connected with described head capsule and pivot, and described two cutting blades intersect and are articulated on described pivot.
Preferably, described housing is provided with the groove of collecting actuator, described actuator can turn reciprocally swinging in described groove inward turning.
Another object of the present invention is to provide a kind of swing-type power tool, and this power tool structure is simple, and cutting efficiency is high.
For achieving the above object, technical scheme of the present invention is: a kind of swing-type power tool, the cutting attachment comprising head capsule, the output shaft extended in head capsule and be arranged on output shaft, and described output shaft can rotate reciprocally swinging around himself axis.The actuator that described cutting attachment comprises two cutting blades that can be pivoted relative to each other and connects with described output shaft.Described two cutting blades all have head, cutting part and the connecting portion between described head and cutting part.Described two head part do not coordinate with described actuator, and described two connecting portions are arranged on described head capsule by pivot pivot joint.Described actuator turns reciprocally swinging at the drive backspin of output shaft, drives the cutting part of described two cutting blades to rotate reciprocally swinging along contrary direction to realize cutting.
Cutting attachment in the present invention, dismountablely be arranged on Multi Role Aircraft, under actuator drives, the relative reciprocating rotary of two cutting blades transfers to realize the cutting to object, well simulate the operation principle of conventional common scissors, two cutting blades can apply cutting force to object simultaneously, thus substantially increase cutting efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the swing-type power tool being provided with cutting attachment in the preferred embodiment for the present invention;
Fig. 2 is the schematic perspective view of the other direction of swing-type power tool shown in Fig. 1;
Fig. 3 is the part-structure schematic diagram of swing-type power tool in Fig. 1;
The stereogram (front) that Fig. 4 is cutting attachment shown in Fig. 1;
The stereogram (back side) that Fig. 5 is cutting attachment shown in Fig. 1;
Fig. 6 is the perspective exploded view of cutting attachment shown in Fig. 3;
Fig. 7 is the perspective exploded view of the other direction of cutting attachment shown in Fig. 3;
Fig. 8 is the structural representation after the removal of cutting attachment shown in Fig. 3 lower shield;
The using state reference diagram that Fig. 9 is cutting attachment shown in Fig. 4, now, the cutting angle between two cutting blades is α 1;
The using state reference diagram that Figure 10 is cutting attachment shown in Fig. 4, now, the cutting angle between two cutting blades is α 2;
The using state reference diagram that Figure 11 is cutting attachment shown in Fig. 4, now, the cutting angle between two cutting blades is α 3.
Related elements reference numeral in diagram is as follows:
100. swing-type power tool 15. switch 208. second grooves
1. swing main frame 2. cutting attachment 21. lower shield
10. casing 20. upper shield 211. through hole
11. output shaft 201. screwed hole 212. perforates
111. boss 202. pedestal 22. actuators
112. screwed hole 203. location division 221. through holes
113. flange 204. opening 222. first drive divisions
12. head capsule 205. section of collecting 223. second drive divisions
13. tail shell 206. positioning section 224. first sides
14. cable 207. first groove 225. second sides
226. installation portion 232. first cutting part 245. second rollers
227. first chute 233. first connecting portion 25. bolts
2271. first straightways 234. first perforation 26. reinforcements
2272. first arc section 235. first roller 261. sleeve pipes
228. second chute 24. second cutting blade 262. pivots
2281. second straightway 241. second head 263. screws
2282. second arc section 242. second cutting part 27. housings
23. first cutting blade 243. second connecting portion 3. locking parts
231. first heads 244. second are bored a hole
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Referring to Fig. 1 to Fig. 3, is a kind of swing-type power tool 100 that the preferred embodiment for the present invention provides, and comprises and swings main frame 1 and be arranged on the cutting attachment 2 swung on main frame 1, swings main frame 1 and drives cutting attachment 2 to realize cutting function.
In description full text, define the right side of swing-type power tool 100 as shown in Figure 1 for " front ", left side is " afterwards ".Swing main frame 1 to comprise casing 10, be housed in motor (not shown) in casing 10 and transmission mechanism (not shown), and the output shaft 11 driven by transmission mechanism.Wherein, casing 10 extends along longitudinally, comprises and is positioned at the head capsule 12 swinging main frame 1 front portion and the tail shell 13 being positioned at head capsule 10 rear portion.Motor is arranged at the inside of tail shell 13, transmission mechanism is arranged at the inside of head capsule 12, motor shaft extends forward with transmission mechanism matched, and the rotary motion that motor shaft exports is converted to the rotation oscillating traverse motion of output shaft 11 around himself axis X by transmission mechanism.Cutting attachment 2 is arranged on the below of the head capsule 12 swinging main frame 1, with the setting that the tail shell 13 swinging main frame 1 is almost parallel, and is axially connected on output shaft 11 by locking part 3.
Swing main frame 1 also to comprise and be connected to tail shell 13 rear portion and provide the cable 14 of electric power for motor, and control the switch 15 of power delivery.When switch 15 is connected, motor drives cutting attachment 2 to carry out cutting operation; When switch 15 disconnects, motor stops the rotation, and cutting attachment 2 quits work.
Head capsule 12 is roughly L-shaped, and its one end is connected with tail shell 13, and the other end is roughly in the truncated cone-shaped of shrinking gradually.Output shaft 11 is housed in head capsule 12, its one end and above-mentioned transmission mechanism matched, the other end extends from the free end of head capsule 12, and the bearing of trend of output shaft 11 is substantially vertical with the bearing of trend of tail shell 13.The end of output shaft 11 is provided with in orthohexagonal boss 111, and the middle part of boss 111 is provided with screwed hole 112, to accommodate fixing locking part 3.The free end of output shaft 11 is also provided with the flange 113 of ring-type around boss 111, the upper surface of flange 113 lower than the upper surface of boss 111, with radial support cutting tool 2.
Refer to Fig. 4 and Fig. 5, in present embodiment, cutting attachment 2 is detachable split-type design with swinging main frame 1, and cutting attachment 2 to be mounted to by locking part 3 as an independent annex and to swing on main frame 1.This cutting attachment 2 comprises housing 27, is housed in the actuator 22 in housing 27 and partly extends the first cutting blade 23 and the second cutting blade 24 of housing 27.In present embodiment, the lower shield 21 that housing 27 comprises upper shield 20 and connects with upper shield 20, actuator 22 and the first cutting blade 23 and the second cutting blade 24 are housed in the space that upper shield 20 and lower shield 21 formed respectively.First cutting blade 23 and the second cutting blade 24 are connected to the two ends of actuator 22, and the first cutting blade 23 and the second cutting blade 24 intersection are articulated, and upper shield 20 pivotable is arranged relatively.Cutting attachment 2 is mounted to and swings after on main frame 1, when swing main frame 1 works, motor driver output axle 11 rotates reciprocally swinging, and then drive the actuator 22 connected with output shaft 11 to rotate reciprocally swinging, actuator 22 and then drive the first cutting blade 23 and the second cutting blade 24 relative rotation reciprocally swinging and realize cutting function.
Please refer to Fig. 6 and Fig. 7, introduce the concrete structure of cutting attachment 2 in detail.Wherein, upper and lower guard shield 20,21 all adopts plastic material processing injection molded.Lower shield 21 is roughly square, and its edge evenly offers three through holes 211, and on upper shield 20, then corresponding above-mentioned through hole 211 offers three screwed holes 201.Three bolts 25 are each passed through three through holes 211 of lower shield 21, are connected in three screwed holes 201 of upper shield 20, thus lower shield 21 and upper shield 20 are fixed together.
Upper shield 20 is hollow form, and it comprises the pedestal 202 be roughly square and the location division 203 be connected on pedestal 202.Pedestal 202 place plane orthogonal, in the axis X of output shaft 11, is provided with circular open 204 in the middle part of it.The shape of location division 203 and the shape of above-mentioned head capsule 12 roughly the same, and together with just can closely cooperating with head capsule 12.Location division 203 extends towards output shaft 11 from the side of pedestal 202 and forms, and it comprises around the hollow cylindrical collecting section 205 of opening 204 and from " U " shape positioning section 206 of extending towards tail shell 13 of collecting section 205 side.Such location division 203 can be coated on the below of head capsule 12, and by accommodating the acting in conjunction of section 205 and positioning section 206, cutting attachment 2 conveniently can be mounted to and swing main frame 1, and is not easily shifted in the process of work.
Upper shield 20 is also provided with a metal reinforcement 26, this reinforcement 26 is long and narrow bar shaped, its one end is provided with the ring sleeve 261 extended in the opening 204 of upper shield 20, the other end is towards lower shield 21 along the pivot 262 that the axis X of output shaft 11 extends, and namely the axis being parallel 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 output shaft 11 is suitable, flange 113 can be housed in sleeve pipe 261 completely, and both contacts closely.For installing reinforcement 26, bottom upper shield 20, offer first groove 207 suitable with reinforcement 26 shape towards lower shield 21.Pivot 262 is hollow cylindrical, and above-mentioned first cutting blade 23 and the second cutting blade 24 cross cap are located on pivot 262, and can relatively be pivoted relative to each other by pivot 262.Reinforcement 26 also comprises the screw 263 of collecting to pivot 262, for axial location first cutting blade 23 and the second cutting blade 24.
Lower shield 21 is arranged on the upper of the pedestal 202 of upper shield 20, thus is housed in by actuator 22, first cutting blade 23, second cutting blade 24 in the space of formation between upper and lower guard shield 20,21.By installing lower shield 21, making whole cutting attachment 2 structure more firmly compact on the one hand, also can play dust-proof effect on the other hand, avoid inner actuator 22 and two cutting blades 23,24 to be subject to contamination by dust.Lower shield 21 is close with pedestal 202 profile of upper shield 20, the perforate 212 corresponding with the opening 204 of upper shield 20 is provided with in the middle part of it, the internal diameter of perforate 212 is greater than the maximum outside diameter of locking part 3, thus locking part 3 can be connected with actuator 22 through the perforate 212 of lower shield 21.
Two cutting blades 23,24 are all roughly L-shaped, intersect and are articulated on the pivot 262 of reinforcement 26, and be similarly metal material.First cutting blade 23 has the first cutting part 232 that the first head 231 and the first head 231 be oppositely arranged and the first connecting portion 233 between the first head 231 and the first cutting part 232, and the first connecting portion 233 is provided with perforation 234; Correspondingly, the second cutting blade 24 has the second cutting part 242 that the second head 241 and the second head 241 be oppositely arranged and the second connecting portion 243 between the second head 241 and the second cutting part 242, and the second connecting portion 243 is provided with the second perforation 244.First cutting blade 23, second cutting blade 24 is set on the pivot 262 of reinforcement 26 successively respectively by the first perforation 234, second perforation 244, and is superimposed, and the first cutting part 232 and the second cutting part 242 extend housing 27, so that cutting.In addition, for connecting with actuator 22, the first cutting blade 23 is provided be arranged on the first head 231 free end the first roller 235, second cutting blade 24 on be provided with the second roller 245 being arranged on the second head 241 free end.For ease of cutting, the angle formed between the head of the present invention two cutting blade and cutting part is not etc., in present embodiment, angle between first head 231 of the first cutting blade 23 and the first cutting part 232 is roughly rectangular, and angle between the second head 241 of the second cutting blade 24 and the second cutting part 242 roughly in obtuse angle.Opened with certain angle between first cutting part 232 and the second cutting part 242, forms opening, during cutting, in the opening that object can be made first to enter between the first cutting part 232 and the second cutting part 242, thus is convenient to cut object.
Actuator 22, for connecting with output shaft 11, drives the relative rotational oscillating motion of two cutting blades 23,24, thus realizes cutting operation under the driving of output shaft 11.Upper shield 20 is provided with on the side of lower shield 21 second groove 208 of collecting actuator 22, second groove 208 and the first groove 207 square crossing, the shape of the second groove 208 is similar to actuator 22, but size is greater than actuator 22, make actuator 22 can rotate reciprocally swinging around the axis X of output shaft 11 with certain angle in the second groove 208, and can not interfere with each other.Actuator 22 is metal material, and substantially oblong-shaped, and offer the through hole 221 passed for locking part 3 in the middle part of it, two ends are symmetrically arranged with the first drive division 222 and the second drive division 223.Actuator 22 has the first side 224 towards upper shield 20 and the second side 225 towards lower shield 21, wherein, the first side 224 is provided with the installation portion 226 coordinated with the boss 111 of output shaft 11, and this installation portion 226 is positive dodecagon depression; Second side 225 is provided with the first chute 227, second chute 228 laid respectively on the first drive division 222 and the second drive division 223.Installation portion 226 is positioned at the center of actuator 22, and perforation 221 passes installation portion 226 from center.First chute 227 is for accommodating the first roller 235, second chute 228 of the first cutting blade 23 for accommodating the second roller 245 of the second cutting blade 24.Long waist shaped identical sized by first chute 227, second chute 228 is equal, the first roller 235, second roller 245 can slide at the first chute 227, second chute 228 respectively.
Please shown in Fig. 8, the center of actuator 2 is A, and in state shown in this figure, the center superposition of the first chute 227 and the first roller 235 is B, and the center superposition of the second chute 228 and the second roller 245 is C, and the center of pivot 262 is D.First chute 227 comprises two the first straightways 2271 be arranged in parallel being positioned at middle part and the first arc section 2272 being symmetrically located at two ends, correspondingly, the second chute 228 comprises two the second straightways 2281 be arranged in parallel being positioned at middle part and the second arc section 2282 being symmetrically located at two ends.The angle formed between first straightway 2271 and the center line BC of the first chute 227, second chute 228 is γ 1, and the angle formed between the second straightway 2281 and the center line BC of the first chute 227, second chute 228 is γ 2.In addition, the center of the first roller 235 and the second roller 245 is equal to the distance at the center of pivot 262, and namely BD and CD is apart from equal, thus can synchronous hunting when two cutting blades 23,24 are worked, and then improves cutting efficiency.
In present embodiment, the assembling process of cutting attachment 2 is as follows, and first, be arranged on by reinforcement 26 in first groove 207 of upper shield 20, pivot 262 is towards lower shield 21; Then, actuator 22 is pressed on reinforcement 26, and is placed in the second groove 208 of upper shield 20; Then, successively the first cutting blade 23, second cutting blade 24 superposition is set on the pivot 262 of reinforcement 26, and screw 263 is housed in pivot 262 internal fixtion; Then, the first roller 235 of the first cutting blade 23 is housed in the first chute 227 of actuator 22, the second roller 245 of the second cutting blade 24 is housed in the second chute 228 of actuator 22; Finally, lower shield 21 is fastened on upper shield 20, and by three bolts 25, upper and lower guard shield 20,21 is fixed together.By above step, cutting attachment 2 is assembled complete, during use, cutting attachment 2 is connected be positioned to swing main frame 1 head capsule 12 on after, locking part 3 is connected in the screwed hole 112 of output shaft 11 through the perforate 212 of lower shield 21, the through hole 221 of actuator 22, by actuator 22 output shaft 11 axial restraint relatively, thus cutting attachment 2 and swing main frame 1 are fixed together, under the drive swinging main frame 1, realize cutting function.
Below, composition graphs 2, Fig. 5, Fig. 9 to Figure 11, describe the incision principle of cutting attachment 2 in detail.Installation portion 226 on actuator 22 connects with the boss 111 of output shaft 11, the first roller 235 on first head 231 of the first cutting blade 23 is housed in the first chute 227 of actuator 22, and the second roller 245 on the second head 241 of the second cutting blade 24 is housed in the second chute 228 of actuator 22.First cutting blade 23 and the second cutting blade 24 pivotly cross cap are located on the pivot 262 of reinforcement 26, and by screw 263 axial limiting.
When swing-type power tool 100 works, swing main frame 1 motor shaft by transmission mechanism drive output shaft 11 rotate oscillating traverse motion, output shaft 11 so by boss 111 with the coordinating of installation portion 226 of actuator 22 drive actuator 22 to rotate reciprocally swinging.First chute 227, second chute 228 of actuator 22 with roughly the same with the second roller 245 size of the first roller 235, second cutting blade 24 of corresponding first cutting blade 23 respectively, the first roller 235, second roller 245 can in corresponding first chute 227, second chute 228 while rotation relative first chute 227, second chute 228 madial wall slide.
In present embodiment, the pendulum angle of the output shaft 11 of swing-type power tool 100 is 2 β, namely output shaft 11 clockwise oscillation to extreme position and the extreme position that arrives of counter-clockwise swing between angle value, wherein, 2 β are between 0.5 ° to 10 °, and the hunting frequency of output shaft 11 is between 500 times to 25000 times per minute.Obviously, in the present invention, the pendulum angle of swing-type power tool 100 and hunting frequency are not limited between above-mentioned scope, also can be other numerical value.
Concrete now output shaft 11 drives actuator 22 to be rotated counterclockwise and swings to extreme position as shown in Figure 9, and the cutting angle now between the first cutting part 232 of the first cutting blade 23 and the second cutting part 242 of the second cutting blade 24 is α 1.
As shown in Figure 10, output shaft 11 drives actuator 22 to have turned clockwise β, is rocked to the initial position of actuator 22.In the process, actuator 22 drives the first cutting blade 23 to turn clockwise around pivot 262 by the first chute 227 with coordinating of the first roller 235, drive the second cutting blade 24 to be rotated counterclockwise around pivot 262 by the second chute 228 with coordinating of the second roller 245 simultaneously, reduce the spacing between the first head 231 and the second head 241, and finally make the cutting angle between the first cutting part 232 and the second cutting part 242 increase to α 2 by α 1.
As shown in figure 11, output shaft 11 drives actuator 22 to have turned clockwise β, is rocked to clockwise extreme position.In the process, actuator 22 drives the first cutting blade 23 to continue to turn clockwise around pivot 262 by the first chute 227 with coordinating of the first roller 235, drive the second cutting blade 24 to continue to be rotated counterclockwise around pivot 262 by the second chute 228 with coordinating of the second roller 245 simultaneously, continue the spacing between minimizing first head 231 and the second head 241, and finally make the cutting angle between the first cutting part 232 and the second cutting part 242 increase to α 3 by α 2.
Thus, the cutting angle of the first cutting blade 23 and the second cutting blade 24 increases to α 3 by α 1, thus completes the flaring operation of scissors annex 2; On the contrary, after actuator 22 is rotated counterclockwise β, then makes the cutting angle of the first cutting blade 23 and the second cutting blade 24 be decreased to α 1 by α 3, thus complete the closed procedure of cutting attachment 2.Go round and begin again, the second cutting part 242 rotary reciprocating motion relatively of relative second cutting blade 24 of the first cutting part 232 of the first cutting blade 23, thus realize the dissection to object.
It may be noted that the cutting attachment that the present invention is not limited to disclose in above-mentioned embodiment is arranged with the split of swing main frame, be arranged on as an annex and swing on main frame.Those skilled in the art are easy to expect, cutting attachment of the present invention also can be processed into and swing main frame and be wholely set.
In above-mentioned embodiment, the boss of output shaft is regular hexagon, the installation portion of actuator is positive dodecagon, thus boss can be coordinated with installation portion, realize when output shaft rotates reciprocally swinging, can actuator be driven and relative sliding can not be produced, and as required actuator can be limited in multiple Difference angles.It may occur to persons skilled in the art that, the boss of output shaft and the installation portion of actuator also can be the combinations of alternate manner, and the installation portion of such as actuator is processed into regular hexagon equally; The combination of the some columnar projections on output shaft and the corresponding hole on actuator, or the combination etc. of the projection shaped hole corresponding with on actuator of other shape (as star) on output shaft.
Compared with prior art, the swing-type power tool with cutting attachment provided by the invention, output shaft drives actuator to rotate reciprocally swinging, actuator and then drive the relative rotary reciprocating motion of two cutting blades and realize cutting function.The cutting attachment being applied to swing-type power tool disclosed in background technology, realizes cutting by a cutting blade and a ledger-plate.Therefore, cutting attachment of the present invention, compared with the cutting attachment disclosed in above-mentioned above-mentioned background technology, can provide larger cutting force, thus greatly improve cutting efficiency.
It may occur to persons skilled in the art that, the present invention can also have other implementation, as long as but its technical spirit adopted is identical with the present invention or close, or any change of making based on the present invention and replacing all within protection scope of the present invention.
Claims (11)
1. a cutting attachment, dismountablely be arranged on swing-type power tool, the output shaft that described swing-type power tool comprises head capsule and extends in head capsule, described output shaft can rotate reciprocally swinging around himself axis, it is characterized in that: described cutting attachment comprises the housing that can connect with described head capsule, two cutting blades of partial receipt in described housing and the actuator connected with described output shaft, wherein, described two cutting blades all have head, cutting part and the connecting portion between described head and cutting part, described two head part do not coordinate with described actuator, described two connecting portions are installed on the housing by pivot pivot joint, described actuator turns reciprocally swinging at the drive backspin of output shaft, the cutting part of described two cutting blades is driven to rotate reciprocally swinging along contrary direction to realize cutting.
2. cutting attachment as claimed in claim 1, it is characterized in that: described actuator is provided with and the installation portion that described output shaft connects and symmetrically arranged two drive divisions of relative described installation portion, two drive divisions of described actuator are matched with the head of described two cutting blades respectively, and described actuator is connected to described output shaft by described installation portion.
3. cutting attachment as claimed in claim 2, it is characterized in that: one of the drive division of described actuator and the head of described cutting blade are provided with chute, another among described drive division and described head is provided with and is housed in described chute and can the roller of movement in described chute.
4. cutting attachment as claimed in claim 3, is characterized in that: described chute comprises two straightways be arranged in parallel being positioned at middle part.
5. cutting attachment as claimed in claim 4, is characterized in that: the line angle between the straightway of described chute and the center of described chute is not etc.
6. cutting attachment as claimed in claim 3, is characterized in that: the center of described roller is equal to the distance at the center of described pivot.
7. cutting attachment as claimed in claim 1, it is characterized in that: described two cutting blades are articulated on same pivot, the axis of described pivot parallels with the axis of described output shaft.
8. cutting attachment as claimed in claim 1, it is characterized in that: the lower shield that described housing comprises upper shield and connects with upper shield, described actuator and two cutting blades are arranged between described upper shield and lower shield.
9. cutting attachment as claimed in claim 1, is characterized in that: described housing is provided with the opening passed for described output shaft, the location division connected with described head capsule and pivot, and described two cutting blades intersect and are articulated on described pivot.
10. cutting attachment as claimed in claim 1, is characterized in that: the groove described housing being provided with collecting actuator, described actuator can turn reciprocally swinging in described groove inward turning.
11. 1 kinds of swing-type power tools, comprise head capsule, the output shaft extended in head capsule and the cutting attachment be arranged on output shaft, described output shaft can rotate reciprocally swinging around himself axis, it is characterized in that: described cutting attachment comprises the housing that can connect with described head capsule, two cutting blades of partial receipt in described housing and the actuator connected with described output shaft, wherein, described two cutting blades all have head, cutting part and the connecting portion between described head and cutting part, described two head part do not coordinate with described actuator, described two connecting portions are installed on the housing by pivot pivot joint, described actuator turns reciprocally swinging at the drive backspin of output shaft, the cutting part of described two cutting blades is driven to rotate reciprocally swinging along contrary direction to realize cutting.
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 |
| 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 |
| PCT/CN2011/084036 WO2012079519A1 (en) | 2010-12-15 | 2011-12-15 | Cutting accessory and oscillating power tool using same |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102554334A CN102554334A (en) | 2012-07-11 |
| CN102554334B true CN102554334B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010596902.8A Active CN102554334B (en) | 2010-12-15 | 2010-12-15 | Cutting accessory and swing power tool using same |
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| CN (1) | CN102554334B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102166746B (en) * | 2011-04-01 | 2013-08-21 | 宁波石木机电有限公司 | Multifunctional saw with scissor head |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006007330A (en) * | 2004-06-22 | 2006-01-12 | Toikawa Setsuko | Cutting tool |
| CN201009261Y (en) * | 2007-02-28 | 2008-01-23 | 郦月对 | Electric scissors |
| CN101790941A (en) * | 2009-01-30 | 2010-08-04 | 美克司株式会社 | Electric shear |
| CN201609906U (en) * | 2010-01-06 | 2010-10-20 | 苏州宝时得电动工具有限公司 | Shearing tool |
| CN101811306A (en) * | 2010-04-13 | 2010-08-25 | 张家港红牛工具有限公司 | Portable rechargeable-type electric scissors |
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| CN102554334A (en) | 2012-07-11 |
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