CN102689260A

CN102689260A - Frosted working head and frosted tool by using frosted working head

Info

Publication number: CN102689260A
Application number: CN2011100691167A
Authority: CN
Inventors: 徐静涛; 吴宇
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2011-03-22
Filing date: 2011-03-22
Publication date: 2012-09-26
Anticipated expiration: 2031-03-22
Also published as: CN102689260B

Abstract

The invention relates to a frosted working head for polishing a workpiece and a frosted tool by using the frosted working head. The frosted working head comprises a frosted workpiece, a connecting rod performing a linear reciprocating motion, and a motion transition mechanism connected to the connecting rod. The motion transition mechanism converts the linear reciprocating motion of the connecting rod into a motion that the frosted workpiece moves surrounding a preset axis which is parallel to a direction along which the connecting rod performs the reciprocating motion. The frosted tool comprises a reciprocating tool and the frosted working head connected to the reciprocating tool. The invention provides the frosted working head for the reciprocating tool. A user can take off a saw blade, after using the reciprocating tool to cut the workpiece, and change the saw blade into the frosted working head to form the frosted tool to polish a surface of the workpiece with high efficiency, which is convenient for a consumer to use with no need to purchase a specialized polishing tool to polish the surface of the workpiece, saving the cost for the consumer.

Description

Frosted working head and use the sanding tool of this frosted working head

Technical field

The present invention relates to a kind of frosted working head that workpiece is polished.

The invention still further relates to a kind of sanding tool that workpiece is polished.

Background technology

Various reciprocal kind tools such as sweep-saw, reciprocating saw etc. are the cutting tools of using always; Because this kind tool both can be processed into the plane with surface of the work, also can surface of the work be processed into curved surface, therefore; Back and forth kind tool is widely used in various occasions, and the workpiece of timber or other material is processed.

Back and forth kind tool generally comprises housing; Be arranged on the motor in the housing, the transmission mechanism that driven by motor, reciprocating reciprocating lever under transmission mechanism drives; This reciprocating lever one end is connected with transmission mechanism; The other end can drive working head, moves reciprocatingly like saw blade etc., thereby workpiece is cut.

After workpiece is cut; Its machined surface, especially when processed surface was cut into curved surface, its surface smoothness did not generally also reach certain requirement; Therefore; After with various reciprocal type cutting tools workpiece being cut, need be toward contact to the processing of polishing of the surface to be machined of workpiece, so that smooth surface.

The useful sand paper of polishing process commonly used carries out manual grinding, and also the milling tools of useful special use such as skin grinder etc. are polished to surface of the work.Operate sand paper by hand and polish, not only waste time and energy, and efficient is not high; Milling tools with special-purpose is polished, and then need buy these expensive specific purpose tools, and this has increased consumer's economic pressures to a certain extent.

Summary of the invention

To the deficiency of prior art, the object of the present invention is to provide a kind of convenient frosted working head that uses.

For achieving the above object, the technical scheme that the present invention takes is:

A kind of frosted working head; Comprise the frosted part; It is characterized in that: said frosted working head also comprises the connecting rod of linear reciprocal movement; With the movement conversion mechanism that said connecting rod is connected, said movement conversion mechanism converts the linear reciprocal movement of said connecting rod into said frosted part around a preset axial-movement, and said preset axis is parallel with the vibration-direction of said connecting rod.

Said connecting rod moves back and forth along said preset axis.

Said movement conversion mechanism comprises impeller that is driven by said connecting rod and the cam that is driven by said impeller, and said cam has columned main body, the dead in line of said preset axis and said cam body.

Said cam is provided with first cam surface and second cam surface; Said first cam surface and said second cam surface are oppositely arranged; The cam path that both form circumferentially extends along the direction of said preset axis, and said connecting rod is when first direction moves, and said impeller is exerted pressure to said first cam surface; Said connecting rod is when second direction is moved, and said impeller is exerted pressure to said second cam surface.

Said cam is provided with first cam surface and second cam surface; Said first cam surface and said second cam surface are the spiral prominence wheel faces that extends along said preset axis; The rotary orientation of said first cam surface and said second cam surface is opposite; Said first cam surface and said second cam surface are overlapping perpendicular to the projection section on the plane of said preset axis, and said connecting rod is when first direction moves, and said impeller is exerted pressure to said first cam surface; Said connecting rod is when second direction is moved, and said impeller is exerted pressure to said second cam surface.

Said cam is provided with cam surface; Said cam surface circumferentially extends along the direction of said preset axis; Said connecting rod is when first direction moves, and said impeller is exerted pressure to said cam surface the said frosted part of said cam driven is moved along first rotation direction, and said movement conversion mechanism also comprises resetting-mechanism; Said connecting rod is when second direction is moved, and said resetting-mechanism makes the said frosted part of said cam driven move along second rotation direction.

Said connecting rod one end is connected with said movement conversion mechanism, and the end shape of the other end of said connecting rod is consistent with the end shape of the end that the standard operation head of reciprocal kind tool is connected with reciprocal kind tool.

The present invention also aims to provide a kind of convenient sanding tool that uses.

A kind of sanding tool; Said sanding tool comprise reciprocal kind tool and be connected with said reciprocal kind tool more than arbitrary described frosted working head; Said reciprocal kind tool comprises the motor that rotatablely moves of output, converts rotatablely moving of motor the reciprocating transmission mechanism of reciprocating lever into, and said reciprocating lever one end is connected with said transmission mechanism; The other end of said reciprocating lever is connected with saw blade clamping apparatus, and said connecting rod is connected with said saw blade clamping apparatus.

The end shape of the end that said connecting rod is connected with said saw blade clamping apparatus is consistent with the end shape of the end that the standard operation head of said reciprocal kind tool is connected with said saw blade clamping apparatus.

Said frosted working head also comprises said frosted working head is fixed on the bearing on the housing of said reciprocal kind tool.

Compared with prior art; The invention has the beneficial effects as follows: the present invention provides a frosted working head to reciprocal kind tool, and the user takes off saw blade after using this reciprocal kind tool that workpiece is cut; Changing the frosted working head can constitute sanding tool surface of the work is efficiently polished; Make things convenient for the consumer to use, and do not need to purchase again special-purpose milling tools surface of the work is polished, also can save consumer's expense.

Description of drawings

Do further explain below in conjunction with accompanying drawing and the preferred embodiments of the present invention.

Fig. 1 is the front view of the frosted working head that provides of first embodiment of the invention;

Fig. 2 is the explosive view of frosted working head shown in Figure 1;

Fig. 3 is a frosted working head shown in Figure 1 cutaway view along the C-C direction;

Fig. 4 is first view in the frosted working head motion process shown in Figure 1, and at this moment, first impeller is positioned at the highest distance position away from bearing, for the clear motion process that shows, has concealed frosted part installation portion and frosted part among the figure;

Fig. 5 is second view in the frosted working head motion process shown in Figure 1, and at this moment, first impeller is positioned at the centre position of its stroke, for the clear motion process that shows, has concealed frosted part installation portion and frosted part among the figure;

Fig. 6 is the third state sketch map in the frosted working head motion process shown in Figure 1, and at this moment, first impeller is positioned at the proximal most position near bearing, for the clear motion process that shows, has concealed frosted part installation portion and frosted part among the figure;

The schematic perspective view of Fig. 7 sanding tool that to be frosted working head shown in Figure 1 connect and compose with reciprocal kind tool;

Fig. 8 is the front view of the frosted working head that provides of second embodiment of the invention;

Fig. 9 is the explosive view of frosted working head shown in Figure 8;

Figure 10 is a frosted working head shown in Figure 8 cutaway view along the A-A direction;

Figure 11 is first view in the frosted working head motion process shown in Figure 8, and at this moment, first impeller moves along the first direction of connecting rod axis, for clear its motion process that shows, has concealed frosted part installation portion and frosted part among the figure;

Figure 12 is second view in the frosted working head motion process shown in Figure 8, and at this moment, first impeller moves and drives first cam surface along first direction, for clear its motion process that shows, has concealed frosted part installation portion and frosted part among the figure;

Figure 13 is the third state sketch map in the frosted working head motion process shown in Figure 8; At this moment; First impeller drives the end of travel that first cam surface moves to first direction; First impeller is in the proximal most position near bearing, for clear its motion process that shows, has concealed frosted part installation portion and frosted part among the figure;

Figure 14 is the 4th view in the frosted working head motion process shown in Figure 8, and at this moment, first impeller oppositely moves along second direction, for clear its motion process that shows, has concealed frosted part installation portion and frosted part among the figure;

Figure 15 is the 5th view in the frosted working head motion process shown in Figure 8, and at this moment, first impeller moves and begins to drive second cam surface along second direction, for clear its motion process that shows, has concealed frosted part installation portion and frosted part among the figure;

Figure 16 is the 6th view in the frosted working head motion process shown in Figure 8, and at this moment, first impeller moves and further drives second cam surface along connecting second direction, for clear its motion process that shows, has concealed frosted part installation portion and frosted part among the figure;

Figure 17 is the 7th view in the frosted working head motion process shown in Figure 8; At this moment; First impeller drives the end of travel that second cam surface moves to second direction; First impeller is in the highest distance position away from bearing, for clear its motion process that shows, has concealed frosted part installation portion and frosted part among the figure.

Figure 18 is to being first view in the frosted working head motion process that provides of third embodiment of the invention; At this moment; First impeller is positioned at the highest distance position away from the end seat, for clear its motion process that shows, has concealed part frosted part and part frosted part installation portion among the figure;

Figure 19 is second view in the frosted working head motion process shown in Figure 180, and at this moment, first impeller is positioned at the centre position of its stroke, for clear its motion process that shows, has concealed part frosted part and part frosted part installation portion among the figure;

Figure 20 is the third state sketch map in the frosted working head motion process shown in Figure 180, and at this moment, first impeller is positioned at the proximal most position by proximal seat, for clear its motion process that shows, has concealed part frosted part and part frosted part installation portion among the figure;

Wherein, the related elements reference numeral is following:

100. frosted working head 30. cams 20. first cam members

21. first cam surface 23. the 3rd cam surface, 24. Access Divisions

25. ring part 26. end seats 27. cannelures

28. step surface 31. cam paths

40. second cam member, 42. second cam surfaces, 44. four-cam faces

50. bracket component 51. rack bodies 52. openings

53. spline projection 54. annulus 55. bottom surfaces dish

56. felt piece 57. pads 58. collars

59. clutch shaft bearing assembly 61. second bearing assemblies 62. bearings

63. bearing mouth 64. circular holes

80. reciprocal assembly 70. connecting rods 71. head rods

72. second connecting rod, 73. slide blocks, 74. first impellers

76. second impeller, 78. open slots, 79. bayonet locks

81. sell 90. cylindricality joint faces, 91. resilient sleeve

92. briquetting 93. collars 94. spaces

95. end cap 96. nuts 97. connectors

98. frosted part installation portion 99. frosted parts

200. frosted working head 230. cams 231. cam paths

220. first cam member, 221. first cam surfaces 223. the 3rd cam surface

224. Access Division

240. second cam member, 242. second cam surfaces, 244. four-cam faces

241. end seat 243. cannelures 246. holes

247. breach 248. perforates

250. bracket component 251. rack bodies 252. openings

253. spline projection 254. annulus 255. bottom surfaces dish

259. clutch shaft bearing assembly 261. second bearing assemblies 262. bearings

263. bearing mouth

280. reciprocal assembly 270. connecting rods 273. slide blocks

274. first impeller, 276. second impellers, 281. pins

290. cylindricality joint face 291. resilient sleeve 292. briquettings

297. latch 294. spaces 295. end caps

296. nut 293. connectors 298. mill part spare installation portions

299. frosted part

300. frosted working head 370. connecting rods 374. first impellers

330. cam 398. frosted part installation portions 350. bracket components

321. first cam surface, 360. torsion springs

10. cutting machine 11. work tops

The specific embodiment

Fig. 1 to Fig. 7 shows the frosted working head 100 that first embodiment of the invention provides.

See also Fig. 1 to Fig. 4; The frosted working head 100 of present embodiment mainly comprises reciprocal assembly 80; The cam 30 that is set in reciprocal assembly 80 outsides and is driven by reciprocal assembly 80, the frosted part installation portion 98 that links to each other with cam 30 is installed in the frosted part 99 on the frosted part installation portion 98.

Back and forth assembly 80 comprises connecting rod 70, and the connecting rod 70 of present embodiment comprises head rod 71, second connecting rod 72, the slide block 73 that head rod 71 and second connecting rod 72 are fixed together.Concrete; The vibration-direction of the reciprocal assembly 80 in slide block 73 upper edges; Be to be symmetrically arranged with two open slots 78 on the X-X direction shown in Figure 2; Head rod 71 and second connecting rod, 72 relative ends are fixed on the slide block 73 through two bayonet locks 79 respectively, thereby make the axial alignment of the head rod 71 and second connecting rod 72, constitute connecting rod 70 axis X-X.The connecting rod 70 of present embodiment is fitted together the head rod 71 and second connecting rod 72 by slide block 73, and each component processing difficulty is little, and is simultaneously, easy to assembly.

The connecting rod 70 of present embodiment also can be one-body molded with the head rod 71 and second connecting rod 72, and slide block 73 is arranged on the integrated connecting rod; Present embodiment also can be with head rod 71, second connecting rod 72, parts of slide block 73 one-body molded formations; Enumerate no longer one by one at this; As long as the function of its realization is same or similar with effect and the present invention of reaching, all then should be covered by in protection scope of the present invention.

Back and forth assembly 80 comprises that also first impeller, 74, the first impellers 74 on the slide block 73 that is arranged on connecting rod 70 are fixed on through pin 81 on the side surface of slide block 73, and first impeller 74 is fixed on the connecting rod 70 thus.For making stress equalization in the reciprocal assembly 80 reciprocating motion processes; The reciprocal assembly 80 of present embodiment also comprises and is symmetrically arranged with second impeller, 76, the second impellers 76 with first impeller, 74 relative axis X-X and the same pin 81 of first impeller, 74 usefulness is fixed on the both side surface relative on the slide block 73.

First impeller 74 in the present embodiment and second impeller 76 are rolling element, and be concrete, and first impeller 74 and second impeller 76 are roller; The axis of roller is vertical with the axis X-X of connecting rod; The rolling element of other form, like rolling bearing, ball etc. all can reduce the friction between the cam surface of impeller and cam 30; Reduce energy loss, improve the service life of frosted working head 100.

Referring to Fig. 2 and Fig. 4; The cam 30 of present embodiment is set in reciprocal assembly 80 outsides; The main body of cam 30 is cylindric; First cam surface 21 and second cam surface, 42, the first cam surfaces 21 and second cam surface 42 that cam 30 main bodys are provided with the cam path 31 of formation are the spiral prominence wheel faces that extend along axis X-X, and first cam surface 21 is identical with the rotary orientation of second cam surface 42; Projection on the plane vertical with axis X-X partially overlaps first cam surface 21 at least with second cam surface, but first impeller 74 linear reciprocal movement driven, first cam surface 21 and second cam surface 42 make itself axis X-X motion of cam 3.

Corresponding with symmetrically arranged first impeller 74 and second impeller 76; Also be respectively arranged with on the cam 30 of present embodiment and first cam surface 21 and second cam surface 42 circumferential symmetrically arranged the 3rd cam surface 23 and four-cam face 44 (not shown)s along axis X-X; Second impeller 76 can drive the 3rd cam surface 23 and four-cam face 44; Concrete; When first impeller 74 is exerted pressure when driving first cam surface 21 to first cam surface 21; Second impeller 76 is exerted pressure driving the 3rd cam surface 23 to the 3rd cam surface 23 synchronously, exerts pressure when driving second cam surface 42 to second cam surface 42 when first impeller 74, and second impeller 76 is exerted pressure to drive four-cam face 44 to four-cam face 44 synchronously.Drive symmetrically arranged cam surface by symmetrically arranged first impeller 74 and second impeller 76, can prevent connecting rod 70 and cam 30 unbalance stress and the phenomenon that occurs twisting, thereby make frosted working head 100 working stabilities, vibrate little.

In the present embodiment back and forth assembly 80 be arranged on columned cam 30 main center, connecting rod 70, cam 30, frosted working head 100 threes' dead in line is the axis X-X among Fig. 1 to Fig. 6.Connecting rod 70 is made linear reciprocal movement along axis X-X, and axis X-X is the vibration-direction of connecting rod 70; Cam 30 is around axis X-X motion, so axis X-X also is the pivot center of cam 30 and frosted part 99, and each dead in line is provided with, the simple and stress equalization of each component processing assembling, frosted working head 100 motion stabilizations.Certainly, back and forth the eccentric parallel axes that the axis that makes connecting rod 70 and cam 30 are set of the relative cam of assembly 80 30 can make cam 30 outer sheathed frosted parts center on the axial-movement preset equally.

Like Fig. 2, shown in Figure 4, the cam 30 of present embodiment comprises first cam member 20 and is oppositely arranged second cam member, 40, the first cam members 20 with first cam member 20 and second cam member 40 all extends setting along axis X-X.First cam surface 21 and the 3rd cam surface 23 are arranged on distolateral relative with second cam member 40 of first cam member 20; Second cam surface 42 and four-cam face 44 are arranged on distolateral relative with first cam member 20 of second cam member 40; Second cam surface 42 and first cam surface 21 are oppositely arranged the cam path 31 that formation can supply 74 motions of first impeller; Cam path 31 circumferentially extends along the direction of axis X-X, when promptly cam path 31 extends along the direction of axis X-X along the circumferential extension of axis X-X; Simultaneously the 3rd cam surface 23 and four-cam face 44 constitute can supply second impeller 76 that move with symmetrically arranged another cam path (not shown) of cam path 31 relative axis X-X.So be provided with, the cam surface that constitutes cam path is separately positioned on first cam member 20 and second cam member 40, and the processing of cam path is very simple, only need on first cam member 20 and second cam member 40, get final product by difference machining cam face.Certainly, directly on a cylindrical part machining cam groove constitute cam and can realize goal of the invention equally.

Referring to Fig. 2 and Fig. 4, the frosted part installation portion 98 of installation frosted part 99 is cylindric and is set in the outside of cam 30, second cam member 40 and frosted part installation portion 98 one-body molded formation connectors 97 in the present embodiment; Thus, be arranged on second cam member, 40 distolateral second cam surface 42 and four-cam faces 44 and extend at connector 97 surface of internal cavity, connector 97 is set in first cam member, 20 outsides; The outer surface of connector 97 forms cylindricality joint face 90 and is connected with frosted part 99; The frosted part 99 of present embodiment is cylindric and is set in cylindricality joint face 90 outsides, and thus, frosted part 99 has the cylindricality working face; This cylindricality working face contacts with type of the contact liny of surface of the work; Thus, no matter surface of the work is plane or cambered surface, and the frosted working head 100 of present embodiment all can effectively be polished to surface of the work; Therefore, the frosted working head of present embodiment is used very extensive.

The outer surface of frosted part 99 is other shape, and the cylindricality working face that has circular cross-sectional shape like coniform grade can be polished and can not impact to surface of the work equally workpiece.

Interchangeable, second cam member 40 and the 98 split settings of frosted part installation portion also can, like this, the processing of second cam member 40 and frosted part installation portion 98 is simpler.

Interchangeable; Thereby frosted working head 100 also can directly be processed abrasive particle and form frosting on the outer surface of frosted part installation portion 98; Thereby connector 97 itself promptly constitutes the frosted part, and perhaps, thereby the outer surface processing abrasive particle that directly is provided with outside the cam path at cam 30 forms the frosted part.

Referring to Fig. 2, Fig. 3; Be fixing first cam member 20 and connector 97; The end face of ring part 25 that first cam member 20 is oppositely arranged the distolateral other end of first cam surface 21 and the 3rd cam surface 23 is provided with step surface 28; One distolateral 45 of connector 97 is connected on the step surface 28, thereby the outer peripheral face of connector 97 aligns with the outer peripheral face of ring part 25, and the outer peripheral face of the outer peripheral face of connector 97 and ring part 25 constitutes cylindricality joint face 90 jointly.Further, first cam member 20 is provided with Access Division 24, and this Access Division 24 can connect with the groove (not shown) of connector 97 inner surfaces and prevent that first cam member 20 from relatively rotating with connector 97.

Like Fig. 2, shown in Figure 3, frosted working head 100 also comprises the bracket component 50 of partly accommodating reciprocal assembly 80 and supporting cam wheel 30 and frosted part installation portion 98.

Bracket component 50 has rack body 51; Be symmetrically arranged with two openings 52 on rack body 51 hollows and edge connecting rod 70 axis X-directions X shown in Figure 2; Back and forth assembly 80 can partly be housed in the cavity in the rack body 51, and first impeller 74 and second impeller 76 can be given prominence to the driving cam face from two openings 52.For making reciprocal assembly 80 operations more smooth and easy; Be coated with lubricant grease in the cavity of present embodiment rack body 51 and on the reciprocal assembly 80, the position near bottom surface dish 55 in rack body 51 cavitys is disposed with felt piece 56, pad 57 and collar 58 in case leak-stopping is oily.

But bracket component 50 supporting cam wheels 30 and frosted part installation portion 98; Concrete; First cam member, 20 hollows also are set in rack body 51 peripheries; The ring part 25 of first cam member 20 is corresponding with the annulus 54 of rack body 51, is provided with clutch shaft bearing assembly 59 between the two to support first cam member 20 and rack body 51.Second cam member 40 is set in first cam member, 20 outsides and on away from distolateral 45 direction, exceeds first cam member 20 with the connector 97 that frosted part installation portion 98 one constitute; And rack body 51 is also long than first cam member 20 at the end away from bottom surface dish 55; Therefore connector 97 parts directly are set in rack body 51 peripheries; Be provided with second bearing assembly 61 between rack body 51 and the connector 97 with support both of them; So far, bracket component 50 is firm supports cam 30 and frosted part installation portion 98.

Frosted part 99 can directly be set on the cylindricality joint face 90 of frosted part installation portion 98, and for the frosted part better is installed, the frosted working head 100 of present embodiment also is provided with resilient sleeve 91 between cam 30 and frosted part 99.Referring to Fig. 2 and Fig. 3; The end seat 26 of first cam member 20 is provided with cannelure 27 around ring part 25; The bottom 912 of resilient sleeve 91 can be inserted in the cannelure 27; Thus, on the firm end seat 26 that is connected to first cam member 20 in the bottom 912 of resilient sleeve 91 and be set on the outer surface of cylindricality joint face 90.The top 913 of resilient sleeve 91 is along exceeding the end of connector 97 away from distolateral 45 on the X-X direction; Form space 94 between the two; The top 913 of resilient sleeve 91 is provided with end cap 95, and frosted working head 100 is provided with the distance adjusting mechanism of distance between adjustable side seat 26 and the end cap 95, and is preferred; This distance adjusting mechanism reduces the height in space 94 and resilient sleeve 91 axially is compressed, and then makes resilient sleeve 91 be radially expanded the frosted part 99 that is set in resilient sleeve 91 outsides with tensioning.The distance adjusting mechanism of present embodiment comprises the keeper with end cap and/or end seat butt; The cylindrical body of extending in the same way with the resilient sleeve bearing of trend that connects with this keeper, regulating keeper is that scalable is arranged on distance between end seat 26 and the end cap 95 at resilient sleeve 91 two ends in the position on the cylindrical body.Concrete, rack body 51 has briquetting 92 away from an end butt of bottom surface dish 55, and owing to the end of rack body 51 away from bottom surface dish 55 is housed in the connector 97, the disk 921 of briquetting 92 also is housed in the connector 97.Be fixing briquetting 92 and connector 97, briquetting 92 is extended with cylindrical portion 922 from disk 921 upper edge axis X-X, is arranged with collar 93 on the cylindrical portion 922, and an end face of collar 93 is connected on the disk 921, and the outer peripheral face of collar 93 is connected on the inner surface of connector 97.Cylindrical portion 922 exceeds connector 97 and resilient sleeve 91 1 segment distances on the direction away from disk 921, cylindrical portion 922 can be passed from the centre bore 951 of ring-type end cap 95, and the part that cylindrical portion 922 is stretched out end cap 95 is arranged with nut 96; Nut 96 and end cap 95 butts, the adjustable positions of nut 96 on cylindrical portion 922 is concrete; Fastening nut 96 can make end cap 95 move towards the direction of leaning on proximal seat 26; Reduce end cap 95 and the distance of holding seat 26 thus, compressed space 94, resilient sleeve 91 is radially expanded; Securable resilient sleeve 91 outer sheathed frosted parts 99, thus preventing that the frosted part from coming off causes polishing work to interrupt.

Present embodiment is through the distance of the position adjustments end cap 95 of adjusting nut on the cylindrical portion 922 of briquetting 92 and end seat 26; Interchangeable; Prolong the height of rack body 51; Make rack body 51 exceed connector 97 away from an end of bottom surface dish 55, the position of adjusting nut 96 on rack body 51 also can make resilient sleeve 91 that deformation takes place, and the distance adjusting mechanism of other form is enumerated at this no longer one by one; As long as the function of its realization is same or similar with effect and the present invention of reaching, all then should be covered by in protection scope of the present invention.

Referring to Fig. 2 and Fig. 4; The frosted working head 100 of present embodiment also comprises frosted working head 100 is fixed on the bearing 62 on the reciprocal kind tool; Offer circular hole 64 on the bearing 62, thereby can bearing 62 be fixed on the housing of reciprocal kind tool frosted working head 100 and back and forth firm being connected of kind tool with parts such as screws through circular hole 64.Bearing 62 is provided with bearing mouth 63; Rack body 51 can pass bearing mouth 63; The bottom surface dish 55 of rack body 51 is connected on the basal surface of bearing 62; The part that rack body 51 passes bearing mouth 62 also is provided with at least one spline projection 53, and spline projection 53 can cooperate with the groove in the bearing mouth 63 to prevent that rack body 51 relative bearings 62 from rotating.

The motion process of frosted working head 100 sees also Fig. 4 to Fig. 6.

Connecting rod 70 linear reciprocal movements of the frosted working head 100 of present embodiment; The movement conversion mechanism of the cam 30 that comprises the impeller that driven by connecting rod 70 and driven by impeller converts the linear reciprocal movement of connecting rod 70 into frosted part 99 around a preset axis rotary oscillation; Simple in structure, reliable.

As shown in Figure 4; Connecting rod 70 is when the first direction of axis X-X upward arrow A indication moves; Thereby thereby first impeller 74 is exerted pressure to first cam surface 21 and is driven first rotation direction that first cam surface 21 makes the arrow R1 indication of cam 30 in Fig. 4 and move and the frosted part 99 that is set in outside the cam 30 is synchronized with the movement and to surface of the work polish (be the clear motion process that shows, concealed among Fig. 4 to Fig. 6 and be set in cam 30 outer frosted part installation portion 98 and frosted part 99).Connecting rod 70 continues to move; When moving to nearest first extreme position of first impeller 74 as shown in Figure 6 and bearing 62; Connecting rod 70 oppositely moves along the second directions of axis X-X upward arrow B indication, thereby thereby first impeller 74 will exert pressure to second cam surface 42 that is oppositely arranged with first cam surface 21 and drive second cam surface 42 and cam 30 is moved along second rotation direction of arrow R2 indication 99 pairs of surface of the works of frosted part sheathed outside the cam 30 are polished.First direction of rotation of second rotation direction of arrow R2 indication and arrow R1 indication, the first rotation direction R1 and the second rotation direction R2 are circumferential along axis X-X's.Connecting rod 70 continues to move along the second direction of arrow B indication; When moving to second extreme position of first impeller 74 as shown in Figure 4 and the furthest of bearing 62; Connecting rod 70 changes the direction of motion once more; Promptly move along the first direction of arrow A indication once more, make first impeller 74 drive first cam surface 21 frosted part 99 is moved along first rotation direction of arrow R1 indication once more.

Fig. 4, Fig. 5 and Fig. 6 order show connecting rod 70 when the first direction of arrow A indication moves, and first impeller 74 promotes first cam surface 21 makes cam 30 along the state variation sketch map in the first rotation direction R1 rotation process; Fig. 6, Fig. 5 and Fig. 4 order show connecting rod 70 when the second direction of arrow B indication is moved, and first impeller 74 promotes second cam surface 42 makes cam 30 along the state variation sketch map in the second rotation direction R2 rotation process.Like this; When connecting rod 70 repeatedly when the axis X-first direction of X upward arrow A indication and the second direction of arrow B indication move back and forth; Can drive first cam surface 21 and second cam surface 42 that first impeller, 74 driven are oppositely arranged, thereby make cam 30 continuous change rotation directions and then form continuous rotary oscillation so that cam 30 outer sheathed 99 pairs of workpiece of frosted part are polished.

Fig. 4 to Fig. 6 only shows first impeller 74 and drives the process that first cam surfaces 21 and second cam surface 42 make frosted working head 100 state variation; It is understandable that; When first impeller 74 drives first cam surface 21, with first impeller, 74 relative axis X-X symmetrically arranged second impeller 76 driven in synchronism and first cam surface 21 along circumferential symmetrically arranged the 3rd cam surface of axis X-X; When first impeller 74 drives second cam surface 42; With first impeller, 74 relative axis X-X symmetrically arranged second impeller 76 driven in synchronism and second cam surface 21 along the circumferential symmetrically arranged four-cam face 44 of axis X-X; So be provided with; Cam 30 stress equalizations, frosted working head 100 is stable.

Present embodiment also can be regarded first impeller 74 and second cam surface 42 as resetting-mechanism; Connecting rod 70 is when the first direction of axis X-X upward arrow A indication moves, and first impeller 74 drives first cam surface 21 makes cam 30 turn to ad-hoc location along first rotation direction of arrow R1 indication; Oppositely when the second direction of axis X-X upward arrow B indication was moved, resetting-mechanism resets cam 30 counter-rotatings, and was concrete for connecting rod 70, and first impeller 74 drives second cam surface 42 makes the frosted working head reset from above-mentioned ad-hoc location counter-rotating.

In the present embodiment, no matter connecting rod 70 still moves towards second direction along axis X-X towards first direction, and 74 of first promotions that are provided with above that all can make 100 motions of frosted working head through the driving cam face, and efficient work is stable.

When connecting rod 70 drives first impeller 74 and drives first cam surface 21 and run to first impeller 74 as shown in Figure 6 and be in the proximal most position near bearing 62; If connecting rod 70 can also continue to move towards the first direction of arrow A indication; First impeller 74 is contacted with terminal surface 22 perpendicular to axis X-X; First impeller 74 no longer promotes first cam surface 21 and makes cam 30 rotations at this moment; And terminal surface 22 also can hinder first impeller 74 and continue to move along first direction, and connecting rod 70 is stop motion, thereby frosted working head 100 is quit work.In like manner; When connecting rod 70 drives first impeller 74 and drives second cam surface 42 and run to first impeller 74 as shown in Figure 4 and be in the highest distance position away from bearing 62; If connecting rod 70 continues when the second direction of arrow B indication moves, the problem at this " dead point " can appear equally.

For preventing that this situation from taking place; Present embodiment; First impeller 74 is when the first direction of arrow A indication moves, and its unidirectional stroke is positioned at first cam surface 21 along the extended height on frosted working head 100 axis X-directions X, that is to say; First impeller 74 is when first direction moves, and it contacts and drive first cam surface 21 with first cam surface 21 all the time; First impeller 74 is when the second direction of arrow B indication is moved; Its unidirectional stroke is positioned at second cam surface 42 along the extended height on frosted working head 100 axis X-directions X; That is to say; First impeller 74 is when second direction is moved, and it contacts and drive second cam surface 42 with second cam surface 42 all the time.

As shown in Figure 4, first impeller 74 is positioned at the highest distance position away from bearing 62, and this position is that first actuator 74 drives the position that second cam surface 42 moves to its second cam surface, 42 ends, and this moment, there were contact point in first impeller 74 and second cam surface 42; To change the direction of motion with rear connecting rod 70; This position also is first impeller 74 drives first cam surface 21 since the top of first cam surface 21 position; There is contact point between first impeller 74 and first cam surface 21, that is to say, when first impeller 74 moves to away from the highest distance position of bearing 62; It still is arranged in the cam path 31 of first cam surface 21 and second cam surface, 42 formations, and promptly first impeller 74 is positioned at the projection of cam path 31 at axis X-X in the projection of axis X-X.As shown in Figure 6; When first impeller 74 is positioned at the proximal most position near bearing 62; First impeller 74 all contacts with second cam surface 42 with first cam surface 21, and promptly first impeller 74 is positioned at the projection of cam path 31 at axis X-X in the projection of axis X-X.First impeller 74 all is positioned at the projection of cam path 31 at axis X-X along the two limit positions in axis X-X reciprocating motion process, and the whole reciprocating stroke of first impeller 74 is positioned at the extended height of cam path 31 on axis X-directions X so.

Present embodiment first impeller 74 is a roller; Its external diameter is advisable for little 0 to 5 millimeter than the width of cam path 31, and under the situation of good lubrication, the external diameter of preferred roller 74 equals the width of cam path 31; Like this; First impeller 74 transfers to and promotes second cam surface 42 or transfer to when promoting first cam surface 21 from promoting second cam surface 42 by promoting first cam surface 21, can not cause bump to the cam surface after the conversion, and frosted working head 100 is operated steadily.Because the problem of lubricated or the accuracy of manufacture and assembling; The external diameter of first impeller 74 acquires a certain degree of difficulty with the width of cam path 31 is consistent, therefore, the external diameter of first impeller 74 than the width of cam path 31 smaller to make and assembling require low; Simultaneously, vibration also within the acceptable range.

Fig. 7 is the in running order sketch map of the frosted working head 100 of present embodiment, and as shown in Figure 7, the circular hole 64 that passes bearing 62 with screw can be fixed on frosted working head 100 on the work top 11 of cutting machine 10; Work top 11 is arranged with inverted sweep-saw, and this sweep-saw comprises housing, is arranged on the motor in the housing; The transmission mechanism that driven by said motor; Reciprocating reciprocating lever under said transmission mechanism drives, said reciprocating lever one end is connected with transmission mechanism, and the other end is provided with saw blade clamping apparatus; This saw blade clamping apparatus and working head; Like connections such as saw blades, when with saw blade when saw blade clamping apparatus takes off, thereby the jig saw blade clamping device can be connected with the connecting rod 70 of frosted working head 100 and constitutes sanding tool; The frosted part 99 that the reciprocating motion of the reciprocating lever output of reciprocal kind tool can drive frosted working head 100 centers on a preset axial-movement, thereby workpiece is polished.The cutting machine 10 of present embodiment is desk-top reciprocal cutting machine, and work top 21 promptly can be considered the housing of cutting machine 10.

The frosted working head 100 of present embodiment is not limited to driven by cutting machine shown in Figure 7 10, and the reciprocal kind tool such as the sweep-saw of any kind, reciprocating saw etc. all can drive the frosted working head 100 of present embodiment.Frosted working head 100 preferred and reciprocal removable being connected of kind tool of present embodiment, like this, a frosted working head 100 can be installed on a plurality of reciprocal kind tools; And reciprocal kind tool also can drive other working head except the frosted working head 100 that drives present embodiment, like saw blade etc., thereby no matter frosted working head 100 still to be reciprocal kind tool all can use in occasion widely.But the frosted working head 100 of present embodiment also can be fixedly connected with reciprocal kind tool, gets final product thereby this reciprocal kind tool only disposes the power and the transmission mechanism of enough driving frosted working heads 100; Also need not to be provided with other functional unit; Therefore, this sanding tool is simple in structure, and is with low cost.

What be worth explanation is that the connecting rod 70 of present embodiment can be driven by reciprocal kind tool, can improve grinding efficiency like this, alleviates workload simultaneously.When connecting rod 70 is driven by reciprocal kind tool; The end shape of the end that the end shape of the end that connecting rod 70 is connected with the reciprocal saw blade clamping apparatus of kind tool preferably is connected with saw blade clamping apparatus with the standard operation head (like saw blade) of reciprocal kind tool is consistent, and the output of frosted working head 100 and reciprocal kind tool is well mated.As shown in Figure 1; The shape of the end 721 of the connecting rod 70 of present embodiment is consistent away from the end shape of serrations with the saw blade of calibration curve saw; Just the end shape of the end that is connected with the jig saw blade clamping device of saw blade is consistent; Therefore, the coupling that the frosted working head of present embodiment can be good with various sweep-saws.

When no available reciprocal kind tool, but thereby connecting rod 70 also manual drives 100 pairs of workpiece of frosted working head are polished, make the frosted working head of present embodiment use very extensive like this.

Fig. 8 to Figure 17 shows the frosted working head 200 that second embodiment of the invention provides.

Referring to Fig. 8, Fig. 9 and Figure 11; The frosted working head 200 of present embodiment mainly comprises reciprocal assembly 280; The cam 230 that is set in reciprocal assembly 280 outsides and is driven by reciprocal assembly 280, the frosted part installation portion 298 that links to each other with cam 230 is installed in the frosted part 299 on the frosted part installation portion 298.

Reciprocal assembly 280 comprises can be along opposite first direction and the reciprocating connecting rod 270 of second direction line; First impeller 274 by connecting rod 270 drivings; Thereby first impeller 274 is fixedly installed on through pin 281 on the side surface on the slide block 273 of connecting rod 270 and is fixed on the connecting rod 270; For making stress equalization in the reciprocal assembly 280 reciprocating motion processes; The reciprocal assembly 280 of present embodiment comprises that also axis X-the X with first impeller, 274 relative connecting rods 270 is symmetrically arranged with second impeller, 276, the second impellers 276 and the same pin 281 of first impeller, 274 usefulness is fixed on the both side surface relative on the slide block 273.

First impeller 274 in the present embodiment and second impeller 276 are rolling element, and be concrete, and first impeller 274 and second impeller 276 are roller; The axis of roller is vertical with the axis X-X of connecting rod 270; The rolling element of other form, like rolling bearing, ball etc. all can reduce the friction between the cam surface of impeller and cam 230; Reduce energy loss, improve the service life of frosted working head 200.

Like Fig. 9, shown in Figure 12; The cam 230 of present embodiment is set in reciprocal assembly 280 outsides; The main body of cam 230 is cylindric; Cam 230 main bodys are provided with and form part cam path 231 first cam surfaces 221 and second cam surface 242; First cam surface 221 and second cam surface 242 are the spiral prominence wheel faces that extend along axis X-X; And the rotary orientation of first cam surface 221 and second cam surface 242 is opposite, and first cam surface 221 overlaps with the projection section of second cam surface 242 on the plane vertical with axis X-X, and connecting rod 270 linear reciprocal movements can drive first impeller 274 order and drive first cam surface 221 and with second cam surface 242 cam 230 is moved around the axis X-X of itself.

Corresponding with symmetrically arranged first impeller 274 and second impeller 276; Referring to Figure 12; Also be respectively arranged with on the cam 230 of present embodiment and first cam surface 221 and second cam surface 242 circumferential symmetrically arranged the 3rd cam surface 223 and four-cam face 244 along axis X-X; Second impeller 276 can drive the 3rd cam surface 223 and four-cam face 244; Concrete, to exert pressure when driving first cam surface 221 to first cam surface 221 when first impeller 274, second impeller 276 is exerted pressure to drive the 3rd cam surface 223 to the 3rd cam surface 223 synchronously; Exert pressure when driving second cam surface 242 to second cam surface 242 when first impeller 274, second impeller 276 is exerted pressure to drive four-cam face 244 to four-cam face 244 synchronously.Drive symmetrically arranged cam surface by symmetrically arranged first impeller 274 and second impeller 276, can prevent connecting rod 270 and cam 230 unbalance stress and the phenomenon that occurs twisting, thereby make frosted working head 200 working stabilities, vibrate little.

In the present embodiment back and forth assembly 280 be arranged on columned cam 230 main center, connecting rod 270, cam 230, frosted working head 200 threes' dead in line is the axis X-X among Fig. 8 to Figure 17.Connecting rod 270 is made linear reciprocal movement along axis X-X, and axis X-X is the vibration-direction of connecting rod 270; Cam 230 is around axis X-X motion, so axis X-X also is the pivot center of cam 230 and frosted part 299, and each dead in line is provided with, the simple and stress equalization of each component processing assembling, frosted working head 200 motion stabilizations.Certainly, thus back and forth the eccentric parallel axes that the axis that makes connecting rod 270 and cam 230 are set of the relative cam of assembly 280 230 can make cam 230 outer sheathed frosted parts center on the axial-movement preset surface of the work is polished equally.

Like Fig. 9, shown in Figure 12, the cam 230 of present embodiment comprises first cam member 220 and is oppositely arranged second cam member, 240, the first cam members 220 with first cam member 220 and second cam member 240 all extends setting along axis X-X.First cam surface 221 and the 3rd cam surface 223 are arranged on distolateral relative with second cam member 240 of first cam member 220; Second cam surface 242 and four-cam face 244 are arranged on distolateral relative with first cam member 220 of second cam member 240; First cam surface 221, second cam surface 242, the 3rd cam surface 223, four-cam face 244 orders extend to form the cam path 231 that can supply first impeller 274 and second impeller 276 to move along the circumferential spiral of axis X-X, and the rotary orientation of two adjacent cam surfaces is opposite and overlapping perpendicular to the projection section on the plane of axis X-X.So be provided with, the cam surface that constitutes cam path is separately positioned on first cam member 220 and second cam member 240, and the processing of cam path is very simple, only need on first cam member 220 and second cam member 240, get final product by difference machining cam face.Certainly, directly on a cylindrical part machining cam groove constitute cam and can realize goal of the invention equally.

Referring to Fig. 9 and Figure 12, the frosted part installation portion 298 of installation frosted part 299 is cylindric and is set in the outside of cam 230, second cam member 240 and frosted part installation portion 298 one-body molded formation connectors 293 in the present embodiment; Thus, be arranged on second cam member, 240 distolateral second cam surface 242 and four-cam faces 244 and extend at connector 293 surface of internal cavity, connector 293 is set in first cam member, 220 outsides; The outer surface of connector 293 forms cylindricality joint face 290 and is connected with frosted part 299; The frosted part 299 of present embodiment is cylindric and is set in cylindricality joint face 290 outsides, and thus, frosted part 299 has the cylindricality working face; This cylindricality working face contacts with type of the contact liny of surface of the work; Thus, no matter surface of the work is plane or cambered surface, and the frosted working head 200 of present embodiment all can effectively be polished to surface of the work; Therefore, the frosted working head of present embodiment is used very extensive.

The outer surface of frosted part 299 is other shape, and the cylindricality working face that has circular cross-sectional shape like coniform grade can be polished and can not impact to surface of the work equally workpiece.

Interchangeable, second cam member 240 and the 298 split settings of frosted part installation portion also can, like this, the processing of second cam member 240 and frosted part installation portion 298 is simpler.

Interchangeable; Thereby frosted working head 200 also can directly be processed abrasive particle and form frosting on the outer surface of frosted part installation portion 298; Thereby connector 293 itself promptly constitutes the frosted part, and perhaps, thereby the outer surface processing abrasive particle that directly is provided with outside the cam path at cam 230 forms frosting.

Referring to Fig. 9; Be fixing first cam member 220 and connector 293; The distolateral other end that first cam member 220 is oppositely arranged first cam surface 221 and the 3rd cam surface 223 is provided with Access Division 224; Access Division 224 can snap in connector 293 and lean in the perforate 248 of proximal seat 241 1 sides, thereby prevents that first cam member 220 from relatively rotating with connector 293.

Like Fig. 9, shown in Figure 10, frosted working head 200 also comprises partly accommodates reciprocal assembly 280 and bracket component 250.Bracket component 250 comprises rack body 251; Rack body 251 hollows and along being symmetrically arranged with two openings 252 on axis X-directions X; Back and forth assembly 280 can partly be housed in the cavity in the rack body 251, and first impeller 274 and second impeller 276 can be given prominence to the driving cam face from two openings 252.For making reciprocal assembly 280 operations more smooth and easy; Be coated with lubricant grease in the cavity of present embodiment rack body 251 and on the reciprocal assembly 280, the position near bottom surface dish 255 in rack body 251 cavitys is disposed with felt piece, pad and collar in case leak-stopping is oily.

But bracket component 250 is supporting cam wheel 230 and frosted part installation portion 298 also; Concrete; First cam member, 220 hollows also are set in rack body 251 outsides, are arranged with clutch shaft bearing assembly 259 on the annulus 254 of rack body 251 to support first cam member 220 and rack body 251.The connector 293 that is made up of second cam member 240 and frosted part installation portion 298 one is set in first cam member, 220 outsides and on the direction away from end seat 241, exceeds first cam member 220; And rack body 251 is also long than first cam member 220 at the end away from bottom surface dish 255; Therefore connector 293 parts directly are set in rack body 251 outsides; Be provided with second bearing assembly 261 between rack body 251 and the connector 293 with support both of them; So far, bracket component 250 is firm supports cam 230 and frosted part installation portion 298.

Frosted part 299 can directly be set on the cylindricality joint face 290 of frosted part installation portion 298, and for frosted part 299 better is installed, the frosted working head 200 of present embodiment also is provided with resilient sleeve 291 between cam 230 and frosted part 299.Referring to Fig. 9 and Figure 10; The end seat 241 of second cam member 240 is provided with cannelure 243 around cylindricality joint face 290; The bottom 2912 of resilient sleeve 291 can be inserted in the cannelure 243; Thus, the bottom 2912 of resilient sleeve 291 is connected on the end seat 241 of second cam member 240 and is set on the outer surface of cylindricality joint face 290.The top 2913 of resilient sleeve 291 is along exceeding the end of connector 293 away from end seat 241 on the X-X direction; Form space 294 between the two; The top 2913 of resilient sleeve 291 is provided with end cap 295; Frosted working head 200 is provided with the distance adjusting mechanism of distance between adjustable side seat 241 and the end cap 295; Preferably, this distance adjusting mechanism reduces the height in space 294 and resilient sleeve 291 axially is compressed, and then makes resilient sleeve 291 be radially expanded the frosted part 299 that is set in resilient sleeve 291 outsides with tensioning.The distance adjusting mechanism of present embodiment comprises the keeper with end cap and/or end seat butt; The cylindrical body of extending in the same way with the resilient sleeve bearing of trend that connects with this keeper, regulating keeper is that scalable is arranged on distance between end seat 241 and the end cap 295 at resilient sleeve 291 two ends in the position on the cylindrical body.Concrete, rack body 251 has briquetting 292 away from an end butt of bottom surface dish 255, and owing to the end of rack body 251 away from bottom surface dish 255 is housed in the connector 293, the base plate 2921 of briquetting 292 also is housed in the connector 293.Be fixing briquetting 292 and connector 293; Base plate 2921 first-class 2923,4 fixture blocks 2923 of 4 fixture blocks that are arranged at intervals with of briquetting 292 can snap in 4 breach 247 of connector 293 away from end seat 241 1 ends, at this moment; Briquetting 292 connector 293 relatively rotates; Two latches 297 pass the hole of offering on the connector 293 246, pass the base plate 2921 of briquetting 292 simultaneously, thereby prevent that briquetting 292 and connector 293 from relatively moving in axis X-directions X generation.Briquetting 292 is extended with cylindrical portion 2922 from base plate 2921, and cylindrical portion 2922 exceeds connector 293 and resilient sleeve 291 1 segment distances on the direction away from base plate 2921, and cylindrical portion 2922 can be passed from the centre bore 2951 of end cap 295; The part that cylindrical portion 2922 is stretched out end cap 295 is provided with nut 296; Nut 296 and end cap 295 butts, the adjustable positions of nut 296 on cylindrical portion 2922 is concrete; Fastening nut 96 can make end cap 295 move towards the direction of leaning on proximal seat 241; Reduce end cap 295 and the distance of holding seat 241 thus, compressed space 294, resilient sleeve 291 is radially expanded; Securable resilient sleeve 291 outer sheathed frosted parts, thus preventing that the frosted part from coming off causes the interruption of polishing work.

Present embodiment is through the distance of the position adjustments end cap 295 of adjusting nut on the cylindrical portion 2922 of briquetting 292 and end seat 241; Interchangeable; Prolong the height of rack body 251; Make rack body 251 exceed connector 293 away from an end of bottom surface dish 255, the position of adjusting nut 296 on rack body 251 also can make resilient sleeve 291 that deformation takes place, and the distance adjusting mechanism of other form is enumerated at this no longer one by one; As long as the function of its realization is same or similar with effect and the present invention of reaching, all then should be covered by in protection scope of the present invention.

Referring to Fig. 9 and Figure 11; The frosted working head 200 of present embodiment also comprises frosted working head 200 is fixed on the bearing 262 on the reciprocal kind tool; Can offer the circular hole (not shown) on the bearing 262, thereby can bearing 262 be fixed on the housing of reciprocal kind tool firm fixing of frosted working head 200 and reciprocal kind tool with parts such as screws through circular hole.Bearing 262 is provided with bearing mouth 263; Rack body 251 can pass bearing mouth 263; The bottom surface dish 255 of rack body 251 is connected on the basal surface of bearing 262; The part that rack body 251 passes bearing mouth 263 also is provided with at least one spline projection 253, and spline projection 253 can cooperate with the groove in the bearing mouth 263 to prevent rack body 251 relative bearing 262 rotations.

The concrete motion process of frosted working head 200 sees also Figure 11 to Figure 17.

Connecting rod 270 linear reciprocal movements of the frosted working head 200 of present embodiment; The movement conversion mechanism of the cam 230 that comprises impeller that connecting rod 270 drives and driven by impeller converts the linear reciprocal movement of connecting rod 270 into frosted part 299 around a preset axis rotation; Simple in structure, reliable.

Shown in figure 11; Connecting rod 270 will move along the first direction of axis X-X upward arrow A indication; Thereby connecting rod 270 will drive first impeller 274 and exert pressure to first cam surface 221 and drive first cam surface 221 cam 230 is rotated along the 3rd rotation direction of arrow R3 indication; Thereby the frosted parts 299 that are set in outside the cam 230 are synchronized with the movement surface of the work is polished (be the clear motion process that shows, Figure 11 to Figure 17 has concealed frosted part installation portion 298 and the frosted part 299 that is set in outside the cam 230), although not shown; It is understandable that; To promote circumferential symmetrically arranged the 3rd cam surface 223 synchronously with symmetrically arranged second impeller 276 of first impeller, 274 relative axis X-X, make frosted working head 200 force balances, slow-roll stabilization with first cam surface, 221 relative axis X-X.Shown in figure 13; When first impeller 274 when the first direction of arrow A indication runs to its end of travel; Reverse second direction along axis X-X upward arrow B indication is moved, and like Figure 15, shown in Figure 16, first impeller 274 will drive second cam surface 242; Meanwhile, second impeller 276 makes cam 230 continue to rotate along the 3rd rotation direction of arrow R3 indication among the figure driven in synchronism and the 2nd four-cam face 244.Shown in figure 17; When first impeller 274 when the second direction of arrow B indication moves to its end of travel; Reverse first direction along the arrow A indication is moved, get back to state shown in Figure 11 again, different is; First impeller 274 will promote will promote first cam surface 221 with first cam surface 221 along circumferential symmetrically arranged the 3rd cam surface 223, the second impellers 276 of axis X-X this moment.

So repeatedly; First impeller 274 will circulate successively and drive first cam surface 221, second cam surface 242, the 3rd cam surface 223, four-cam face 244; Corresponding; Second impeller 276 will circulate successively the 3rd cam surface 223, four-cam face 244, first cam surface 221, second cam surface 242; So, thereby thereby cam 230 moves along the cycle of states shown in Figure 11-12-16-14-15-16-17-11 repeatedly and makes cam 230 along the 3rd rotation direction rotation of arrow R3 indication among the figure the 299 pairs of workpiece of frosted part that are set in cam 230 outsides polished.

In the present embodiment, no matter connecting rod 270 still moves towards second direction along axis X-X towards first direction, and first 274 of the promotions and second impeller 276 that are provided with above that all can make 100 motions of frosted working head through the driving cam face, and efficient work is stable.

Interchangeable, cam surface also can only be provided with one, as long cam surface is set; When connecting rod 270 moves along first direction " past "; First impeller 274 drives this cam surface and makes the cam rotation, and when connecting rod 270 " was answered " motion along second direction, cam was because inertia continues rotation; Connecting rod 270 rapid movements and in time oppositely along first direction " past " motion can continue then to promote that above-mentioned cam surface makes cam and the frosted part that is set on the cam rotates continuously.

For avoiding first impeller 274 " dead point " in the transfer process of driving cam face, to occur; When cam surface of first impeller, 274 drivings moved to its end of travel, first impeller 274 had run off down the starting point of cam surface once on the rotation direction of cam 230.Shown in figure 13, when first impeller, 274 drivings, first cam surface 221 moved to its end of travel, first impeller 274 was along the starting point 2421 that has surpassed second cam surface 242 on the rotation direction of the cam 230 of arrow R3 indication among the figure; Shown in figure 17, when first impeller, 274 drivings, second cam surface 242 moved to its end of travel, first impeller 274 had surpassed the starting point 2231 of the 3rd cam surface 223 on the rotation direction of cam 230.Foregoing description is an example with first impeller 274, but is equally applicable to second impeller 276.

For making the motion smoothly in the cam path 231 that cam surface constitutes of first impeller 274, the width of first impeller 274 is smaller or equal to cam path 231 width at narrow place.First impeller 274 of present embodiment is a roller; Shown in figure 12; First impeller 274 drives in first cam surface, 221 motion processes; The cam path 231 width at narrow place is the distance of starting point 2421 to first cam surfaces 221 of second cam surface 242, and the diameter of roller is smaller or equal to this width, and first impeller 274 can be smoothly through here.Shown in figure 16; First impeller 274 drives in second cam surface, 242 motion processes; The cam path 231 width at narrow place is the distance of starting point 2231 to second cam surfaces 242 of the 3rd cam surface 223, and the diameter of roller is smaller or equal to this width, and first impeller 274 can be smoothly through here.First impeller 274 all can pass through at cam path 231 the narrowest places smoothly, then also can pass through smoothly in other position of cam path 231, and first motion of impeller 274 in cam path 231 is unblocked.More than describing with first impeller 274 is example, because second impeller 276 and first impeller 274 are onesize, second impeller 276 also can straightwayly move in cam path.

The frosted working head 200 of this present embodiment also can be installed on the work top 11 of cutting machine shown in Figure 7 10, and work top 11 is arranged with inverted sweep-saw, and this sweep-saw comprises housing; Be arranged on the motor in the housing, the transmission mechanism that driven by said motor, reciprocating reciprocating lever under said transmission mechanism drives; Said reciprocating lever one end is connected with transmission mechanism; The other end is provided with saw blade clamping apparatus, and this saw blade clamping apparatus and working head are like connections such as saw blades; When with saw blade when saw blade clamping apparatus takes off; Thereby the jig saw blade clamping device can be connected the formation sanding tool with the connecting rod 270 of frosted working head 200, and the reciprocating motion of the reciprocating lever output of reciprocal kind tool can drive the frosted part 299 of frosted working head 200 around a preset axis rotation, thereby workpiece is polished.The cutting machine 10 of present embodiment is desk-top reciprocal cutting machine, and work top 21 promptly can be considered the housing of cutting machine 10.

The frosted working head 200 of present embodiment is not limited to be used for cutting machine shown in Figure 7 10, and the reciprocal kind tool such as the sweep-saw of any kind, reciprocating saw etc. all can drive the frosted working head 200 of present embodiment.Frosted working head 200 preferred and reciprocal removable being connected of kind tool of present embodiment, like this, a frosted working head 200 can be installed on a plurality of reciprocal kind tools; And reciprocal kind tool also can drive other working head except the frosted working head 200 that drives present embodiment, like saw blade etc., thereby no matter frosted working head 200 still to be reciprocal kind tool all can use in occasion widely.But the frosted working head 200 of present embodiment also can be fixedly connected with reciprocal kind tool, gets final product thereby this reciprocal kind tool only disposes the power and the transmission mechanism of enough driving frosted working heads 200; Also need not to be provided with other functional unit; Therefore, this sanding tool is simple in structure, and is with low cost.

What be worth explanation is that the connecting rod 270 of present embodiment can be driven by reciprocal kind tool, can improve grinding efficiency like this, alleviates workload simultaneously.When connecting rod 270 is driven by reciprocal kind tool; The end shape of the end that the end shape of the end that connecting rod 270 is connected with the reciprocal saw blade clamping apparatus of kind tool preferably is connected with saw blade clamping apparatus with the standard operation head (like saw blade) of reciprocal kind tool is consistent, and the output of frosted working head 200 and reciprocal kind tool is well mated.As shown in Figure 8; The shape of the end 2701 of the connecting rod 270 of present embodiment is consistent away from the end shape of serrations with the saw blade of calibration curve saw; The end shape of an end that just is connected with the jig saw blade clamping device is consistent; Therefore, the coupling that the frosted working head of present embodiment can be good with various sweep-saws.

When no available reciprocal kind tool, but thereby connecting rod 270 also manual drives 200 pairs of workpiece of frosted working head are polished, make the frosted working head of present embodiment use very extensive like this.

Figure 18 to Figure 20 shows the motion process state variation sketch map of the frosted working head 300 of third embodiment of the invention.

Referring to Figure 18; Similar with embodiment 1; The frosted working head 300 of present embodiment comprises reciprocal assembly; The cam 330 that is set in the reciprocal assembly outside and drives by reciprocal assembly, the frosted part installation portion 398 that links to each other with cam 330 and be arranged on the frosted part (be clear demonstration motion process, Figure 18 to Figure 20 has omitted frosted part and part frosted part installation portion 398) on the frosted part installation portion 398.

Back and forth assembly comprises connecting rod 370 and is arranged on first impeller 374 on the connecting rod 370; Although it is not shown; It is understandable that, also be provided with on the connecting rod 370 and first impeller, 374 relative connecting rod 370 axis X-symmetrically arranged second impeller of X.

Cam 330 is provided with first cam surface 321; First cam surface 321 is along the circumferential extension of axis X-X; Although it is not shown; It is understandable that, corresponding with symmetrically arranged first impeller 374 and second impeller, also be provided with on the cam 330 and circumferential symmetrically arranged three cam surface of first cam surface 321 along axis X-X.

Similar with embodiment 1, back and forth assembly is arranged on columned cam 330 main center, connecting rod 370, and cam 330, frosted working head 300 threes' dead in line is the axis X-X among Figure 18 to Figure 20.Connecting rod 370 is made linear reciprocal movement along axis X-X, and axis X-X is the vibration-direction of connecting rod 370; Cam 330 is around axis X-X motion, so axis X-X also is the pivot center of cam 330 and frosted part.Certainly, back and forth the eccentric parallel axes that the axis that makes connecting rod 70 and cam 30 are set of the relative cam of assembly 30 can make the outer sheathed frosted part of cam around the axial-movement preset equally.

Frosted working head 300 also comprises the bracket component 350 of accommodating the reciprocal assembly of part and supporting cam wheel 330 and frosted part installation portion 398, and frosted working head 300 is fixed on the bearing 362 on the reciprocal kind tool housing.

Different with embodiment one is; The movement conversion mechanism of present embodiment comprises first impeller 374 and second impeller that is driven by connecting rod 370; The cam that is provided with cam surface 330 by first impeller 374 and second impeller drive is arranged on the resetting-mechanism between cam 330 and the bracket component 350, and resetting-mechanism comprises elastic component; Concrete; The resetting-mechanism of present embodiment is a torsion spring 360, and first connector 3601 of torsion spring is fixed on the cam 330, and another connector (not shown) of torsion spring 360 is fixed on the bracket component 350.

Shown in figure 18; Connecting rod 370 is when the first direction of axis X-X upward arrow A indication moves; Thereby first impeller 374 is exerted pressure to first cam surface 321 and is driven first cam surface 321 the 4th rotation direction of active force arrow R4 indication in figure that cam 330 overcomes torsion spring 360 is rotated; Thereby drive frosted part is synchronized with the movement workpiece is polished, and cam 330 rotates and will make torsion spring 360 that elastic deformations take place; When connecting rod 370 moves to extreme position shown in Figure 20; Connecting rod 370 oppositely moves along the second direction of axis X-X upward arrow B indication; At this moment; First impeller 374 will no longer drive first cam surface 321, and torsion spring 360 recovers deformation makes cam 330 reset around the 5th rotation direction counter-rotating of arrow R5 indication.

Figure 18, Figure 19 and Figure 20 order show connecting rod 370 when the first direction of arrow A indication moves, and first impeller 374 drives the active force that first cam surface 321 overcomes torsion spring 360 and makes the state variation sketch map in cam 330 rotation processes; Figure 20, Figure 19 and Figure 18 order show connecting rod 370 when the second direction of arrow B indication is moved, and torsion spring 360 makes the cam 330 state variation sketch map in the Umklapp process that resets.Like this; When connecting rod 370 drives down repeatedly when the second direction of the first direction of arrow A indication and arrow B indication moves back and forth at reciprocal kind tool, frosted working head 300 constantly rotate and reverse reset so that form continuous rotary oscillation so that outside the frosted part installation portion 398 sheathed frosted parts workpiece is polished.

Elastic component in the present embodiment is a torsion spring, and the elastic component of other form such as helical spring, air spring, shell fragment etc. all can make the counter-rotating that resets of frosted working head.Elastic component also is not limited to be installed between cam 330 and the bracket component 350, and is interchangeable, also can be installed between frosted part installation portion 398 and the bracket component 350.

For preventing " dead point ", the unidirectional stroke of first impeller 374 is positioned at the extended height of first cam surface 321 on connecting rod axis X-X in the present embodiment.Shown in figure 18, first impeller 374 is positioned at the highest distance position away from bearing 362, and there are contact point in first impeller 374 and first cam surface 321, and first impeller 374 is positioned at the projection of first cam surface 321 at axis X-X in the projection of axis X-X; Shown in figure 20; First impeller 374 is positioned at the proximal most position near bearing 362; There are contact point equally in first impeller 374 and first cam surface 321; First impeller 374 is positioned at the projection of first cam surface 321 at axis X-X in the projection of axis X-X; Two extreme positions of first impeller 374 in its motion process all are positioned at the projection of first cam surface 321 at axis X-X in the projection of axis X-X, and the unidirectional stroke of first impeller 374 is positioned at the extended height of first cam surface 321 at connecting rod 370 axis X-X so.

Although it is not shown; But it is understandable that; Similar with embodiment 1, the frosted working head 300 of present embodiment can resilient sleeve can be set between frosted part installation portion 398 and the frosted part and regulate resilient sleeve at the distance adjusting mechanism of distance between the end cap of frosted working head and the end with better tensioning frosted part.

The frosted working head 300 of embodiment 3 is similar substantially with frosted working head 100 structures of embodiment 1; Maximum difference is; Embodiment 3 has cancelled second cam member among the embodiment 1, has increased torsion spring 360, so the unaccomplished matter of embodiment 3 sees also the description of embodiment 1.

The frosted working head of the foregoing description is driven by reciprocal kind tool, and movement conversion mechanism will convert the rotation of rotatable parts in the reciprocating motion of the connecting rod under back and forth kind tool drives into, thereby the frosted part rotates with rotatable parts workpiece polished.Except the cam switching mechanism that the foregoing description is mentioned, outside the pull bar switching mechanism, the present invention can also have various deformation, makes connecting rod constitute tooth bar as tooth portion is set on connecting rod, and the frosted part is arranged on can be by on the gear of rack drives.The movement conversion mechanism of other form, like rocker-slider mechanism, movement conversion mechanisms such as slider-crank mechanism all can convert the reciprocating motion of connecting rod into the rotation of frosted part, give unnecessary details no longer one by one at this.

Need to prove that the nouns of locality such as " top " mentioned above, " end " are all with the definition of the residing state of the parts shown in the described drawing, these nouns of locality only are to describe for ease and propose, and content are not constituted to limit.

Although instantiation has been described and has illustrated in the accompanying drawings this this instance in the specification; But it will be understood by those skilled in the art that; Under the prerequisite of the scope that does not exceed the present disclosure that claim limits, can make various changes and be equal to replacement element of the present invention.In addition; Except as otherwise noted; Can aforesaidly specially consider the characteristic between each instance, requirement and/or function are made up and cooperate; Those skilled in the art can be understood from present disclosure, can suitable being attached among another embodiment with characteristic, key element and/or the function of an embodiment.And, under the prerequisite that does not exceed main scope of the present invention, can make the various remodeling that are suitable for concrete condition or material according to the instruction of present disclosure.Therefore, present disclosure is not limited to shown in the accompanying drawing and the described instantiation of specification, and these instances are just realized best mode of the present invention, and the scope of present disclosure should comprise explanation and the interior any embodiment of accompanying claims scope that falls into the front.

Claims

1. frosted working head; Comprise the frosted part; It is characterized in that: said frosted working head also comprises the connecting rod of linear reciprocal movement; With the movement conversion mechanism that said connecting rod is connected, said movement conversion mechanism converts the linear reciprocal movement of said connecting rod into said frosted part around a preset axial-movement, and said preset axis is parallel with the vibration-direction of said connecting rod.

2. frosted working head as claimed in claim 1 is characterized in that: said connecting rod moves back and forth along said preset axis.

3. frosted working head as claimed in claim 2; It is characterized in that: said movement conversion mechanism comprises impeller that is driven by said connecting rod and the cam that is driven by said impeller; Said cam has columned main body, the dead in line of said preset axis and said cam body.

4. frosted working head as claimed in claim 3; It is characterized in that: said cam is provided with first cam surface and second cam surface, and said first cam surface and said second cam surface are oppositely arranged, and the cam path that both form circumferentially extends along the direction of said preset axis; Said connecting rod is when first direction moves; Said impeller is exerted pressure to said first cam surface, and said connecting rod is when second direction is moved, and said impeller is exerted pressure to said second cam surface.

5. frosted working head as claimed in claim 3; It is characterized in that: said cam is provided with first cam surface and second cam surface; Said first cam surface and said second cam surface are the spiral prominence wheel faces that extends along said preset axis, and the rotary orientation of said first cam surface and said second cam surface is opposite, and said first cam surface and said second cam surface are overlapping perpendicular to the projection section on the plane of said preset axis; Said connecting rod is when first direction moves; Said impeller is exerted pressure to said first cam surface, and said connecting rod is when second direction is moved, and said impeller is exerted pressure to said second cam surface.

6. frosted working head as claimed in claim 3; It is characterized in that: said cam is provided with cam surface; Said cam surface circumferentially extends along the direction of said preset axis; Said connecting rod is when first direction moves, and said impeller is exerted pressure to said cam surface the said frosted part of said cam driven is moved along first rotation direction, and said movement conversion mechanism also comprises resetting-mechanism; Said connecting rod is when second direction is moved, and said resetting-mechanism makes the said frosted part of said cam driven move along second rotation direction.

7. frosted working head as claimed in claim 1; It is characterized in that: said connecting rod one end is connected with said movement conversion mechanism, and the end shape of the other end of said connecting rod is consistent with the end shape of the end that the standard operation head of reciprocal kind tool is connected with reciprocal kind tool.

8. sanding tool; Said sanding tool comprises reciprocal kind tool and the arbitrary described frosted working head of claim 1 to claim 7 that is connected with said reciprocal kind tool; Said reciprocal kind tool comprises the motor that rotatablely moves of output, converts rotatablely moving of motor the reciprocating transmission mechanism of reciprocating lever into, and said reciprocating lever one end is connected with said transmission mechanism; The other end of said reciprocating lever is connected with saw blade clamping apparatus, and said connecting rod is connected with said saw blade clamping apparatus.

9. sanding tool as claimed in claim 8 is characterized in that: the end shape of the end that said connecting rod is connected with said saw blade clamping apparatus is consistent with the end shape of the end that the standard operation head of said reciprocal kind tool is connected with said saw blade clamping apparatus.

10. sanding tool as claimed in claim 8 is characterized in that: said frosted working head also comprises said frosted working head is fixed on the bearing on the housing of said reciprocal kind tool.