CN207127333U

CN207127333U - Portable processing machine

Info

Publication number: CN207127333U
Application number: CN201721059301.7U
Authority: CN
Inventors: 大河内克己
Original assignee: Makita Corp
Current assignee: Makita Corp
Priority date: 2016-09-01
Filing date: 2017-08-23
Publication date: 2018-03-23
Anticipated expiration: 2027-08-23
Also published as: JP2018039100A; JP6878168B2

Abstract

The utility model provides that a kind of have can be by the portable processing machine (annular saw) for the structure that the auxiliary equipments such as parallel scale are stable and are well fixed to pedestal.Dustproof circular saw (1) has pedestal (10), parallel scale (80) and scale fixing device (81).Pedestal supports annular saw body and is arranged at work piece.Parallel scale abuts when making annular saw body be moved along the side of work piece with the side.Parallel scale has：Connecting rod (80b), it is arranged at the scale retention groove (10e) of pedestal in a manner of it can slide；With scale body, it extends from the end of the connecting rod of the foreign side positioned at pedestal along the lateral margin of pedestal.Scale fixing device has：The hole for being arranged at pedestal, the axle portion part being threadedly coupled with hole and the end for being arranged at axle portion part, connecting rod is pressed on to the pressing component of scale retention groove.Bore region comprising hole is formed by the wearability material higher than other regions of pedestal.

Description

Portable processing machine

Technical field

A kind of portable processing machine such as portable circular saw is the utility model is related to, is especially set with auxiliary such as parallel scales Standby portable processing machine.

Background technology

Portable circular saw disclosed in patent document 1,2 has：Annular saw body, it has the electricity for making discoid cutter rotation Machine；And pedestal, its rectangular shape, for supporting annular saw body, and it is arranged at work piece.Parallel scale is installed in pedestal, The parallel scale abuts when making annular saw body be moved along the side of work piece with the side of work piece.Parallel scale tool Have：Connecting rod, it in a manner of the scale retention groove of pedestal is slided can set；With scale body, it is from positioned at pedestal The end or end of the connecting rod of foreign side nearby extend along the lateral margin of pedestal.Pedestal is set to be placed in the upper surface of work piece, And scale body is set to be moved while abutting with the side of work piece along side.

Hereby it is possible to work piece is cut, with defined width.Because parallel scale is fixed on pedestal, because This, is provided with the bridge like part across the top of connecting rod, screw component and the internal thread spiral shell for being formed at bridge like part on pedestal Line connects.By making screw component be rotated relative to internal thread, screw component is set to move in the vertical direction accordingly.By making spiral shell Nail part is moved downwards and connecting rod is pressed into scale retention groove, and parallel scale is fixed on into pedestal.By making screw division Part is moved upward and remote connecting rod, hereby it is possible to carry out position adjustment of the parallel scale relative to pedestal.

【Prior art literature】

【Patent document】

【Patent document 1】Japanese invention Patent Publication No 2006-159786

【Patent document 2】Japanese invention Patent Publication No 2013-248740

Utility model content

【Utility model technical problems to be solved】

However, sometimes carrying out that to cutting powder caused by the processing of work piece the interior spiral shell of bridge like part can be entered Line.When the screw component is threadedly coupled with internal thread in this condition, internal thread can be cut damage because of cutting powder.For example, base Seat is generally aluminum, and internal thread is also aluminum.On the other hand, screw component is formed by the steel higher than aluminium wearability.This In the case of, when screw component is threadedly coupled with internal thread, the relatively low internal thread of wearability is easily cut because of cutting powder Damage.Because internal thread is cut damage, screw component can loosen relative to pedestal and (rock), and make parallel scale relative to pedestal pine It is dynamic.Therefore, the processing of high-precision size can not be carried out to work piece sometimes.In this case it is necessary to change entirely The repairing taken time and effort as pedestal.Therefore, need one kind that the auxiliary equipments such as parallel scale is stable in the prior art And it is well fixed to the structure of pedestal.

【For solving the technical scheme of technical problem】

In 1 technical scheme, the portable machining machine and tool involved by the utility model has：Processing machine body, it has There is the cutter for being processed to work piece；Pedestal, it supports processing machine body and is arranged at work piece；Filled with fixed Put, auxiliary equipment is fixed on pedestal by it in a manner of it can dismantle.Auxiliary equipment has connecting rod, and the connecting rod is to set Set in the mode that can be slided in the retention groove of pedestal.Fixing device has：It is arranged at the hole of pedestal；Axle portion part, itself and hole Threaded connection；And pressing component, it is arranged at the end of axle portion part, and connecting rod is pressed on into retention groove.Bore region comprising hole Formed by the wearability material higher than other regions of pedestal.

Therefore, when being processed to work piece in the case of caused cutting powder access aperture, due to hole The wearability in region is higher, and is not easy to be cut powder and cuts damage.Therefore, the situation that bore region wears because cutting powder becomes It is few, also, due to bore region abrasion and caused, pressing component tails off relative to the situation of the loosening of pedestal.Accordingly, auxiliary is set It is standby to be stablized and be well fixed to pedestal.In addition, pedestal can also be set with the mode that work piece directly contacts, or Person is arranged at work piece by miscellaneous part.

Brief description of the drawings

Fig. 1 is the right side view of portable circular saw.

Fig. 2 is the right side view that the part of portable circular saw is broken away.

Fig. 3 is the right side view that the part of portable circular saw when annular saw body is located at upper position is broken away.

Fig. 4 is the top view of portable circular saw.

Fig. 5 is the transverse sectional view of portable circular saw.

Fig. 6 is the front view of portable circular saw.

Fig. 7 is the front view that the part of portable circular saw is broken away.

Fig. 8 is the front view of portable circular saw when annular saw body is located at inclination attitude.

Fig. 9 is the front view that the part of portable circular saw when annular saw body is located at inclination attitude is broken away.

Figure 10 is the rearview of portable circular saw.

Figure 11 is the upward view of portable circular saw.

Figure 12 is the stereogram of dust cover and angular guiding piece.

Figure 13 is the right side view of dust cover and angular guiding piece.

Figure 14 is the front view of dust cover and angular guiding piece.

Figure 15 is the top view that the part of dust cover and angular guiding piece is broken away.

Figure 16 is the local stereogram of the portable circular saw near scale fixing device.

Figure 17 is the direction view along Fig. 4 Ⅹ VII-Ⅹ VII line section views.

Figure 18 is the direction view along Fig. 4 Ⅹ VIII-Ⅹ VIII line section views.

Figure 19 is the right side view of the broken section of the part of scale fixing device.

Figure 20 is the upward view of the part of scale fixing device.

Figure 21 is the stereogram of hole portion part.

Figure 22 is the top view of hole portion part.

Figure 23 is the expanded view along the hole portion part of Figure 22 XX III lines.

Figure 24 is the expanded view along the hole portion part of Figure 22 XX IV lines.

Figure 25 is the front view of pressing component.

Figure 26 is to be fixed with to be installed on the strip scale of strip scale in a manner of it can slide with matching somebody with somebody block (adapter) The top view of portable processing machine.

Figure 27 be along XX VII direction view in Figure 26, and be fixed with strip scale use with block portable processing machine Rearview.

【Description of reference numerals】

1：Dustproof circular saw (portable processing machine)；2：Battery；3：Battery installation section；4：Electric machine casing；5：Gear housing；6： Handle；7：Controller housing；9：Assist shroud；10：Pedestal；10e：Scale retention groove (retention groove)；10f：Bridge like part；10g：Base Bore；11：Front side support；12：Rear side support；13、17：Left and right is fascinated support shaft；14：Angular guiding piece；15：The upper bottom Dynamic support shaft；18：Fascinate plate；20：Annular saw body；21：Fixed cover；22：Discoid cutter (cutter)；23：Movable hood；24：Powder Dust hood；25：Assist shroud reciprocating mechanism (above-below direction connecting structure)；26：Link gear；27：Assist shroud moves forward and backward machine Structure；28：Dust box；30：Motor；40：Reduction gear；61：Controller；65：Conduit；80：Parallel scale (auxiliary equipment)； 80a：Scale body；80b、111：Connecting rod；81：Scale fixing device；84、89：Anti-dropout part；85：Axle portion part；86：Hole Part；86c：Hole；87：Pressing component；88：Functional unit；110：Strip scale, which is used, matches somebody with somebody block (auxiliary equipment)；115：Long rules and regulations Chi；120：Fixing device.

Embodiment

1 embodiment of the present utility model is illustrated using accompanying drawing.Fig. 1, Fig. 4 be denoted as user hold into The dustproof circular saw 1 of 1 example of the portable processing machine or portable cutter of row moving operation.The product is mainly used in cutting Wooden partition or plasterboard etc., also referred to as dust annular saw.Below, using fore-and-aft direction, left and right directions, upper and lower always to dust-proof circle Saw 1 illustrates.Front is with making the side that dustproof circular saw 1 is advanced when work piece W being cut or processed by dustproof circular saw 1 To corresponding.User is located at the rear of dustproof circular saw 1, and left and right directions is determined on the basis of the user.

As shown in figure 1, dustproof circular saw 1 has annular saw body (processing machine body, cutting machine body) 20 and by annular saw body 20 pedestals 10 that can be supported to angle adjustment.As shown in Figure 4, Figure 5, annular saw body 20, which has, makes discoid cutter The motor 30 and the battery 2 to the supply electric power of motor 30 that (saw sword) 22 rotates.

As shown in Figure 4, Figure 5, motor 30 is brushless electric machine, is installed in electric machine casing 4.Motor 30 has：Stator 30a, It is fixed in the inner peripheral surface of electric machine casing 4；With rotor 30b, it is in stator 30a inner circumferential side, the quilt in a manner of rotating freely Supporting.Sensor base plate 34 is installed in stator 30a right side (Fig. 5 downside), the sensor base plate 34, which has, to be used to detect The Magnetic Sensor of rotor 30b rotation position.Motor shaft 30c is interspersed with rotor 30b, rotor 30b is fixed in motor shaft 30c.Motor shaft 30c left end is bearing 33 can be supported in electric machine casing 4 in a manner of axle rotation.Motor shaft 30c right-hand member is bearing 32 can be supported in gear housing 5 in a manner of axle rotation.

As shown in figure 5, gear housing 5 is arranged at the right side of electric machine casing 4.It is provided with gear housing 5 for electricity The reduction gear 40 that the rotation output of machine 30 is slowed down.Reduction gear 40 has：It is installed on motor shaft 30c end Little gear 40a, the idler gear 40b engaged with little gear 40a, the main shaft 41 engaged with idler gear 40b.Main shaft 41 is positioned at electricity Arbor 30c lower section, gear housing 5 is supported in a manner of it can be rotated around axle.The top of main shaft 41 is from gear housing 5 It is prominent, cutter 22 is installed on the top.

As shown in Figure 1, shown in Figure 5, cutter 22 is fixed in the top of main shaft 41 by installed part 42.Installed part 42 has：It is right Inward flange 42a that cutter 22 is kept from the left side and outward flange 42b kept from right side.The periphery of cutter 22 is by cover body (9,21,23) cover.Cover body has：Fixed cover 21, it covers the periphery upside substantially half of cutter 22；Movable hood 23, its The rear portion of fixed cover 21 can move；With assist shroud 9, it can be moved in the front portion of fixed cover 21.On the top of fixed cover 21 It is linked with the dust box 28 that cutting powder is filled for receiving.

As shown in figure 5, fixed cover 21 is arranged at the right side of gear housing 5, extend from gear housing 5.Institute as shown in Figure 1, Figure 2 Show, fixed cover 21 has：Left surface 21a, it is located at the left side of cutter 22, is fixed in annular saw body 20；Right flank 21b, its Cover the right flank of the periphery upper-side area of cutter 22；With perisporium 21c, it links left surface 21a and right flank 21b upper end. Perisporium 21c is arc-shaped, covers the periphery upper-side area of cutter 22.In the front portion of fixed cover 21 formed with the row extended upward Outlet pipe 21d, the opening portion 28b of dust box 28 are linked to discharge pipe 21d.

As shown in Figure 1 and Figure 2, dust box 28 has the box body 28a that the upside outer peripheral edge along fixed cover 21 extends. The box body 28a anterior opening portion 28b linked formed with the discharge pipe 21d with fixed cover 21.Cutter 22 is according to being shown in powder Direction shown in the arrow 28h of the right flank of dirt box 28 is rotated, and thus, cutter 22 is cut to work piece W.Caused by this Cutting powder is blown afloat upward in the front side of cutter 22.The cutting powder blown afloat is imported in box body 28a from fixed cover 21, And accumulated in box body 28a.

As shown in Figure 1 and Figure 2, dust box 28 has lever 28g in right flank.Utilize what is be integrally formed with lever 28g External screw thread, to make dust box 28 be installed on annular saw body 20 in a detachable manner.At box body 28a rear portion formed with row Portal 28c.Lid 28d for being opened and closed tap 28c is installed in box body 28a pin 28e in a manner of it can rotate. In the case of the cutting powder discharge that will be accumulated in box body 28a, first, box body 28a is pulled down from annular saw body 20. Then, swivelling cover 28d is then discharged cutting powder from box body 28a with opening tap 28c from inside to outside.

As shown in figure 1, at lid 28d rear portion formed with the through hole clogged by plug 28f.Plug 28f is torn open from lid 28d Under, the through hole for covering 28d can be linked with vacuum plant via conduit.Accordingly, the cutting powder in dust box 28 can be via Conduit is attracted to vacuum plant.

As shown in Figure 1 and Figure 2, movable hood 23 is positioned at the rear side of fixed cover 21, the periphery posterior region of covering cutter 22. Movable hood 23 is arc-shaped, around the central rotation coaxial with the pivot of cutter 22.Movable hood 23 is from extension spring to covering The direction of lid cutter 22, i.e. front exert a force.In the case where being cut to work piece W, the top (front end) of movable hood 23 Abutted with work piece W, movable hood 23 is rearward rotated and is moved to work piece W top.

As shown in Figure 2 and Figure 3, assist shroud 9 is positioned at the preceding downside of fixed cover 21.Assist shroud 9 is located on front side of the periphery of cutter 22 Region, cover the gap S between the front end of fixed cover 21 and pedestal 10.Gap S-phase should be in annular saw body 20 relative to pedestal 10 Angle and change.On the other hand, assist shroud 9 corresponds to the angle of annular saw body 20, moved relative to fixed cover 21 or pedestal 10.Cause This, assist shroud 9 can effectively suppress cutting powder and be dispersed forwards from gap S.Assist shroud 9 has：It is linked to annular saw body The dust cover 24 of 20 or fixed covers 21 and the angular guiding piece 14 for linking dust cover 24 and pedestal 10.

Such as figureShown, dust cover 24 has：The 1st longer side wall 24a and the 1st side wall in the vertical direction The 2nd opposite 24a side wall 24c and antetheca 24b for linking the 1st side wall 24a and the 2nd side wall 24c front end.1st side wall 24a Have：The longer above-below direction elongated hole 24d and pin 24e prominent to the direction away from the 2nd side wall 24c in the vertical direction.On Lower direction elongated hole 24d is substantially linear.As shown in Figure 2 and Figure 3, in above-below direction elongated hole 24d inserted with prominent from fixed cover 21 One or more pins 19 gone out.The top of pin 19 is provided with limiting section, the limiting section has wider than above-below direction elongated hole 24d Spend big diameter.Dust cover 24 is set to be linked to fixed cover 21 in a manner of it can move in the vertical direction limiting section.Such as Shown in Figure 13, pin 24e is arranged on the 1st side wall 24a bottom.Before pin 24e is linked to angular guiding piece 14 as described later Rear is to elongated hole 14f.

As shown in Figure 12, Figure 13, Figure 15, the 2nd side wall 24c above-below direction length is shorter than the 1st side wall 24a.2nd side wall 24c upper end is located at than the 1st side wall positioned at the position of upper end more on the lower than the 1st side wall 24a, the 2nd side wall 24c lower end 24a lower end position closer to the top.2nd side wall 24c width is narrower than the 1st side wall 24a, the 2nd side wall 24c trailing edge be located at than 1st side wall 24a trailing edge is located further forward the position of side.2nd side wall 24c trailing edge is arc-shaped, as shown in Figure 2 along cutter 22 outer peripheral edge extension.

As shown in Figure 12, Figure 14, Figure 15, antetheca 24b links the 1st side wall 24a leading edge and the 2nd side wall 24c leading edge, and And as shown in Figure 5 towards the outer peripheral edge of cutter 22.The outer peripheral edge of cutter 22 be located at by the 1st side wall 24a, the 2nd side wall 24c and In the groove 24f that antetheca 24b is formed or near groove 24f.Therefore, powder is cut along groove caused by cutter 22 in processing 24f is blown afloat.

Such as figureShown, angular guiding piece 14 has：Antetheca 14a, the 1st support rearward extended from antetheca 14a 14b and the 2nd support 14g.Antetheca 14a one end (right part) formed with hole 14c, in antetheca 14a the other end (left end Portion) formed with elongated hole 14d.For hole 14c for circle, the support shaft 13 of fascinating of the left and right shown in Fig. 6 runs through hole 14c.Accordingly, it is angular to draw Guiding element 14 by left and right fascinate support shaft 13 centered on fascinate relative to pedestal 10.

As shown in figure 14, ora terminalis of the elongated hole 14d along antetheca 14a extends in circular arc.Fig. 6 institutes are interspersed with elongated hole 14d The axle portion of the hand-screw 16 shown.The axle portion of hand-screw 16 is also interspersed in the front side support 11 erected in the front end of pedestal 10 Elongated hole 11a.Elongated hole 11a also forms the arc-shaped same with elongated hole 14d.Hand-screw 16 is drawn by being rotated by angular Guiding element 14 is locked in front side support 11 in a manner of it can unlock.Angular guiding piece 14 is released from by locking, and energy It is enough relative to front side support 11 by left and right fascinate support shaft 13 centered on rotate.Such as figureShown, annular saw body 20 can Tilted in the lateral direction relative to pedestal 10 with together with angular guiding piece 14, and by hand-screw 16 with defined inclination angle Degree is held in pedestal 10.

As shown in Figure 12, Figure 14, angular guiding piece 14 has an instruction unit 14i, and instruction unit 14i is opposite with hole 14c Position extends outward from hole 14d.The outer rim that instruction unit 14i crosses the front side support 11 shown in Fig. 6 protrudes outward, is able to The past side it can be seen that.In front side, the outer rim of support 11 shows scale 11b.By reading instruction unit 14i present positions Scale 11b, the angle of inclination relative to pedestal 10 in the lateral direction of angular guiding piece 14 can be learnt.As described later, In angular guiding piece 14 installation annular saw body 20.Therefore, instruction unit 14i position is observed by using scale 11b, accordingly, The angle of inclination on the left and right directions of annular saw body 20 can be learnt.

As shown in Fig. 4, Fig. 6, left and right support shaft 13 of fascinating is located at the right lower quadrant of front side support 11, prolongs along the longitudinal direction Stretch.Left and right fascinate support shaft 13 be interspersed in front side support 11 and angular guiding piece 14 hole 14c.Installed in angular guiding piece 14 There is annular saw body 20.Therefore, as shown in Fig. 6, Fig. 8, annular saw body 20 can be fascinated branch together with angular guiding piece 14 with left and right Hold and be adjusted angle in the lateral direction centered on axle 13.

As shown in Figure 10, the posterior region of pedestal 10 is provided with rear side support 12.Rear side support 12 is relative to base Seat 10 is erected, also, in rear side support 12, and the plate 18 that fascinates is provided with by left and right support shaft 17 of fascinating.The plate 18 that fascinates has The depth guide 71 extended upward, annular saw body 20 is linked with depth guide 71.Left and right support shaft 17 of fascinating is located at Fascinated the coaxial position of support shaft 13 with the left and right shown in Fig. 6.Therefore, annular saw body 20 is with left and right support shaft 13,17 of fascinating Center is adjusted angle in the lateral direction.In this way, as shown in Fig. 6, Fig. 8, incision of the cutter 22 to work piece W can be adjusted Angle, so as to carry out so-called inclined cut.

Such as figureShown, the 1st support 14b rearward extends from antetheca 14a one end, and the 2nd support 14g is in the past Wall 14a middle section rearward extends.1st support 14b and the 2nd support 14g is in extend in parallel.In the 1st support 14b front portion Formed with hole 14e, in the 2nd support 14g formed with hole 14h.Hole 14e, 14h swing up and down support shaft 15 and worn on coaxially Insert in hole 14e, 14h.As shown in Figure 4, Figure 5, the front portion of annular saw body 20 is linked in a manner of it can rotate swings up and down branch Hold axle 15.Therefore, as shown in Figure 2 and Figure 3, annular saw body 20 centered on swinging up and down support shaft 15 relative to pedestal 10 upper Lower section is swung up.Hereby it is possible to adjust the overhang of cutter 22 from pedestal 10 downwards.

As shown in figure 1, in the case where cutting work piece W using cutter 22, make pedestal 10 sliding on work piece W It is dynamic.Cutter 22 protrudes downwards from pedestal 10, and the amount of projecting through determines the penetraction depth to work piece W.Cut for adjusting The penetraction depth adjustment mechanism 70 for entering depth is arranged at the rear portion of pedestal 10.As shown in Figure 10, penetraction depth adjustment mechanism 70 With the depth guide 71 for being arranged at the plate 18 that fascinates, the plate 18 that fascinates is installed in pedestal 10 in a manner of it can rotate.

As shown in Fig. 4,10, depth guide 71 is formed at the end for the plate 18 that fascinates, from the forward upward of plate 18 that fascinates in circle Arcuation extends.In guiding slotted eye 71a of the depth guide 71 formed with arc-shaped.Fixing screws are interspersed with guiding slotted eye 71a 72, the top of fixing screws 72 is threadedly connected to the left surface of fixed cover 21.It is provided with the head of fixing screws 72 as behaviour Make the fixed operation handle 73 in portion.By the way that fixed operation handle 73 is operated upward, and fixing screws 72 are made to be guided relative to depth Part 71 unscrews, and annular saw body 20 moves up and down together with fixing screws 72 relative to depth guide 71.Accordingly, cutter 22 is adjusted From the overhang (penetraction depth) of pedestal 10.

As shown in Fig. 4, Figure 10, scale is shown in the outer peripheral face of depth guide 71.Screw is fixed using scale 72 position, accordingly, cutter 22 is obtained from the overhang of pedestal 10.Turn into the position of ormal weight in overhang, operate downwards Fixed operation handle 73, annular saw body 20 is fixed on depth guide 71 by fixing screws 72.In this way, make cutter 22 to being added Workpiece W penetraction depth is fixed.

As shown in Figure 2 and Figure 3, assist shroud 9 by assist shroud reciprocating mechanism 25 relative to annular saw body 20 in upper and lower Move up.Such as annular saw body 20 is rotated from the lower position shown in Fig. 2 to the upper position shown in Fig. 3, accordingly, make as auxiliary The dust cover 24 of 1 part of cover 9 is helped to be moved downwards relative to annular saw body 20.Assist shroud reciprocating mechanism (upper and lower To connecting structure) 25 there is the pin 19 and above-below direction elongated hole for being used for linking annular saw body 20 and dust cover 24 in the vertical direction 24d.The anterior left direction of pin 19 from anterior, for example fixed cover 21 of annular saw body 20 protrudes.Above-below direction elongated hole 24d is set Above-below direction elongated hole 24d is inserted in a manner of it can move in 24,1, dust cover or 2 pins 19 being arranged above and below.

As shown in Figure 2 and Figure 3, assist shroud reciprocating mechanism 25 has the pin 24e for being used for linking dust cover 24 and pedestal 10 With fore-and-aft direction elongated hole 14f.As shown in figure 13, fore-and-aft direction elongated hole 14f is formed at the 1st support 14b's of angular guiding piece 14 Posterior region.Fore-and-aft direction elongated hole 14f is longer in the longitudinal direction, substantially rectilinear shape.Fore-and-aft direction elongated hole 14f has with more The inclined angle of mode of top is located rearward and is extended.The pin 24e of dust cover 24 is formed in a manner of it can move Insert fore-and-aft direction elongated hole 14f.Therefore, dust cover 24 is linked to pedestal angular guiding piece 14 in a manner of it can move 10。

As shown in Fig. 2 when annular saw body 20 is located at lower position, pin 24e is located at fore-and-aft direction elongated hole 14f region of the front side Domain.Accordingly, dust cover 24 is located near the front portion of angular guiding piece 14.Pin 19 is located at above-below direction elongated hole 24d underside area. Accordingly, dust cover 24 is located at the position compared by the top relative to annular saw body 20.As a result, dust cover 24 is located at cutter 22 Near front portion, and cover pedestal 10 and fix between the leading section of cover 21.

As shown in figure 3, when annular saw body 20 is located at upper position, pin 24e is located at fore-and-aft direction elongated hole 14f side area Domain.Accordingly, dust cover 24 is located near the rear portion of angular guiding piece 14.Pin 19 is located at above-below direction elongated hole 24d upper-side area. Accordingly, dust cover 24 is located at the position compared on the lower relative to annular saw body 20.By making annular saw body 20 from shown in Fig. 2 Lower position is moved to the upper position shown in Fig. 3, to make the gap S between the front end of fixed cover 21 and pedestal 10 become big.With this phase Corresponding, dust cover 24 moves downwards relative to fixed cover 21.

By making annular saw body 20 be rotated from the lower position shown in Fig. 2 to the upper position shown in Fig. 3, with cutter 22 and pedestal The position of the front end of cutter 22 is rearward moved corresponding to 10 intersection point.It is corresponding, the bottom of dust cover 24 relative to Fixed cover 21 rearward moves.Therefore, dust cover 24 moves corresponding to the swing angle on the above-below direction of annular saw body 20, And move in the longitudinal direction, the gap S that can greatly reduce between the front end of fixed cover 21 and pedestal 10.

Such as figureIt is shown, when making annular saw body 20 fascinate in the lateral direction, angular guiding piece 14 and annular saw body 20 together by left and right fascinate support shaft 13 centered on fascinate.The also fixation with 1 part as annular saw body 20 of dust cover 24 Cover 21 together by left and right fascinate support shaft 13 centered on fascinate.When making annular saw body 20 fascinate in the lateral direction, fixed cover Gap S between 21 front end and pedestal 10 is also moved in the lateral direction.Therefore, dust cover 24 exists corresponding to annular saw body 20 Turning angle on left and right directions and fascinate in the lateral direction.Accordingly, the gap S between the front end of fixed cover 21 and pedestal 10 Suitably it can be covered all the time by dust cover 24.For example, dust cover 24 moves and causes top and the pedestal of dust cover 24 Gap S between 10 is all the time in below 1mm, preferably below 0.5mm.

Such as figureShown, assist shroud 9 utilizes link gear 26, corresponding to the angle on the left and right directions of annular saw body 20 Degree, and fascinated in the lateral direction relative to pedestal 10.There is link gear 26 left and right to fascinate support shaft 13, and the left and right is fascinated branch Pedestal 10 can be rotatably linked in the lateral direction by angular guiding piece 14 by holding axle 13.Also, as shown in Fig. 2 gear Structure 26 has the fore-and-aft direction elongated hole 14f for being used for linking angular guiding piece 14 and dust cover 24 in a manner of it can move link With pin 24e.Also, link gear 26 has upper and lower for dust cover 24 can movably to be linked relative to annular saw body 20 Direction elongated hole 24d and pin 19.

As shown in Fig. 4, Figure 10, annular saw body 20 has the battery installation section 3 for being used for installing battery 2.Battery installation section 3 In the rear left of annular saw body 20.Battery installation section 3 is equally prolonged with electric machine casing 4 from the left surface left direction of fixed cover 21 Stretch.Battery installation section 3 is substantially planar, has guide rail in the lower surface of battery installation section 3.Guide rail is for example in the lateral direction Extension, battery 2 is installed on to the lower surface of battery installation section 3 using guide rail in a manner of it can dismantle.Battery 2 is electric tool With battery, other electric tools such as screw-driving machine are mountable to.Battery 2 is, for example, the lithium-ion electric with 18V output voltages Pond, charged using the charger prepared in addition.Therefore, battery 2 can be recycled as the power supply of the grade of dustproof circular saw 1. As shown in figure 5, battery 2 electrically connects with controller 61, and via controller 61 to the supply electric power of motor 30.

As shown in Figure 4, Figure 5, controller 61 is installed in the controller being located between battery installation section 3 and electric machine casing 4 Housing 7.Various electric components are connected to controller 61, such as motor 30, the sensor base of position for detecting rotor 30b Plate 34, the switch 53 (reference picture 1) for being arranged at handle 6 etc. are connected to controller 61.Controller 61 has control circuit, the control Circuit processed sends control signal according to the rotor 30b detected by sensor base plate 34 positional information.Also, controller 61 With drive circuit and automatic power-off circuit etc., wherein, drive circuit is formed by FET (Field Effect Transistor), According to the control signal received from control circuit, the electric current of motor 30 is switched and (switched on and off), automatically powers off electricity Road disconnects and powered to motor 30, will not be changed into overdischarge or overcurrent condition according to the testing result of the state of battery 2.

As Figure 1 and Figure 4, handle 6 is chevron, is had：Rising portions 6a, it is erected from electric machine casing 4；Grip portion 6b, its Tilted rearward and towards battery installation section 3 from rising portions 6a top.Trigger is provided with the lower surface on grip portion 6b top The switch 53 of form.Switch 53 is supported on grip portion 6b support shaft in a manner of the operation that can be fascinated up and down, and by The force application parts such as compression spring exert a force downwards.User can utilize the finger tip resistance force application part for the hand for holding grip portion 6b Loading force by switch 53 upward pull operate.Switch 53 is sent by pulling operation to controller 61 (reference picture 5) Signal, controller 61 is by the power supply from battery 2 to motor 30.Accordingly, motor 30 starts, and cutter 22 is along arrow 28h institutes The direction shown rotates.

As shown in Fig. 1, Fig. 6, locking press button 57 is provided with handle 6.Locking press button 57 is positioned at the upside of switch 53, in left and right Handle 6 is penetrated on direction.Locking press button 57 is arranged at handle 6 in a manner of it can fascinate in the vertical direction.53 will switched Carry out making locking press button 57 fascinate downwards in the state of pull operation upward, accordingly, motor 30 is locked to starting shape State.Accordingly, it is not necessary to continuously switch 53 is operated, it becomes possible to drive motor 30.In this way, operator can easily enter The prolonged operation of row.When unlocking state, it is necessary to which switch 53 is carried out into pull operation upward again.Accordingly, lock Button 57 returns to original position.

As shown in figure 5, cooling fan 36 is installed in the motor shaft 30c of motor 30.Cooling fan 36 be located at rotor 30b with Between bearing 32, rotated together with motor shaft 30c.Rotated by cooling fan 36 together with motor shaft 30c, by extraneous air from The blow vent 4a for being formed at the left surface of electric machine casing 4 is imported in electric machine casing 4.The air being imported into, cooled down to motor 30 Afterwards, the blow vent 4b flow direction controllers housing 7 at the rear portion through being formed from electric machine casing 4.Air is to FET (field-effects Transistor) or the pyrotoxin such as microcomputer controller 61 cool down after, the row from the right surface for being formed at controller housing 7 Gas port 7a is discharged.

As shown in figure 5, the conduit for the air in electric machine casing 4 to be guided forwards is connected with electric machine casing 4 65.There is conduit 65 installation portion 65a, the connector 4c of right front portions of the installation portion 65a with being formed at electric machine casing 4 to be connected.Lead Preceding surface of the pipe 65 from connector 4c along gear housing 5 and the side of fixed cover 21 extend forwards.On the top of conduit 65 Form outlet 65b, line of ink marker guiding piece 10cs of the outlet 65b towards pedestal 10.Line of ink marker guiding piece 10c is arranged at pedestal 10 Front end, the line of ink marker guiding piece 10c left and right sides are formed by cutting.By making line of ink marker guiding piece 10c processed positioned at being attached to Pedestal 10 is set to move forwards while the position of the part W line of ink marker, hereby it is possible to make cutter 22 be moved with good precision.It is empty Gas is discharged from conduit 65, is blown cutting powder being piled up near line of ink marker guiding piece 10c etc. by the air of discharge winged.According to This, improves line of ink marker guiding piece 10c visuality, so as to accurately and quickly be processed operation.

As shown in figure 5, locking bar 44 is connected to the front portion of gear housing 5 in a manner of it can fascinate in the vertical direction.Lock Bar 44 links with main shaft 41 can not rotatably be entered into line-locked locking member, can be by the nothing of main shaft 41 by operating locking bar 44 Method is rotatably locked.Hereby it is possible to cutter 22 is dismounted relative to main shaft 41.

As shown in Figure 1, shown in Figure 11, pedestal 10 is in substantially planar.Annular saw body 20 is with the vertical direction being capable of adjusting angle The mode of degree is supported in the top of pedestal 10, and so that in the lateral direction pedestal 10 can be supported in a manner of adjustment angle Top.In window portion 10a of the pedestal 10 formed with generally rectangular shaped shape, cutter 22 is interspersed in window portion 10a.Parallel scale (auxiliary equipment) 80 is installed on the front portion of pedestal 10 in a manner of it can carry out position adjustment in the lateral direction.

As shown in Fig. 4, Fig. 6, parallel scale 80 has：Connecting rod 80b, it is installed on pedestal 10；With scale body 80a, It is arranged at connecting rod 80b end.Scale body 80a is located at the right side of pedestal 10.When being processed to work piece W, Pedestal 10 is arranged on work piece W, abuts scale body 80a and work piece W side.Make scale body 80a with Work piece W side makes dustproof circular saw 1 move forwards while abutting.Hereby it is possible to make dustproof circular saw 1 with being processed The mode that part W side is parallel moves, and thereby, it is possible to work piece W is cut with defined width.

As shown in Fig. 4, Fig. 6, connecting rod 80b is tabular, longer in the lateral direction, and wide beyond the left and right of pedestal 10 Spend and extend.Connecting rod 80b one end turns back downwards, and extension of being turned back in the position than pedestal 10 more on the lower.Scale Body 80a is arranged on the connecting rod 80b end turned back.Scale body 80a is longer in the longitudinal direction, and in pedestal 10 Downside is towards left and right directions.Therefore, scale body 80a can abut with work piece W ora terminalis.

As shown in Fig. 4, Figure 16, in pedestal 10 formed with scale retention groove 10e, connecting rod 80b is in a manner of it can move It is installed in scale retention groove 10e.Left and right sides portion opening of the scale retention groove 10e left and right ends in pedestal 10.Pass through Connecting rod 80b is set to be moved in the lateral direction along scale retention groove 10e, on the left and right directions that scale body 80a can be adjusted Position.Connecting rod 80b is fixed in pedestal 10 by scale fixing device 81.

As shown in Figure 17, Figure 18, scale fixing device 81 presses connecting rod 80b to scale retention groove 10e.Scale is kept Groove 10e has slope 10k in front and rear ora terminalis.Connecting rod 80b front and rear ora terminalis is pressed against slope 10k.Therefore, connecting rod 80b Loosening in the longitudinal direction is suppressed by scale retention groove 10e slope 10k.Can also be in connecting rod 80b lower surface, Yu Qian End edge has the slope for being pressed against scale retention groove 10e.Or can also be only in connecting rod 80b and scale retention groove 10e Either one set slope.

As shown in Figure 16,17, scale fixing device 81 has：It is arranged at the bridge like part 10f of pedestal 10；It is interspersed in bridge Shape part 10f base aperture 10g hole portion part 86；With the axle portion part 85 for being interspersed in hole portion part 86.As shown in figure 4, bridge portions Part 10f is arranged near the ora terminalis (such as left end edge) of pedestal 10, and crosses over scale retention groove 10e in the longitudinal direction.Such as Shown in Figure 11, Figure 17, in the corresponding square of bridge like part 10f formed below and bridge like part 10f rather than scale retention groove 10e The hole 10d of shape.

As shown in Figure 19, Figure 21, hole portion part 86 has：It is inserted into bridge like part 10f base aperture 10g cylinder portion 86a；With It is formed at the flange part 86b of the lower ora terminalis of a portion 86a.In cylinder portion, 86a upper periphery is formed with groove 86g.Cylinder portion 86a is from underthrust Enter bridge like part 10f, and anti-dropout part 84 is embedded in the groove 86g positioned at bridge like part 10f top.Accordingly, hole portion part 86 It is installed in bridge like part 10f.Anti-dropout part 84 is, for example, E shapes ring or C-shaped ring.Hole portion part 86 has the upper end of tapered Portion 86d.Upper end 86d for annular shape, and more upward diameter it is smaller and complete cycle formation inclined plane.Therefore, powder is cut not Easily accumulated in the upper surface of hole portion part 86, thus, suppress hole 86c of the cutting powder from upper surface access aperture part 86.

As shown in Figure 19, Figure 21, flange part 86b base aperture 10g of the diameter more than bridge like part 10f diameter, flange Portion 86b upper surface is towards bridge like part 10f lower surface.In flange part 86b upper surface formed with inclined plane 86e and step 86f.Such as figureShown, inclined plane 86e extends in the circumferential, and gradually protrudes upward in the counterclockwise direction.Cause This, the inclined plane 86e for being formed at flange part 86b upper surface forms lateral cam.In flange part 86b formed with multiple, such as 4 Individual inclined plane 86e, step 86f is formed between inclined plane 86e.Formed by step 86f facing in the counterclockwise direction Wall.

As shown in figure 20, in bridge like part 10f lower surface formed with inclined plane 10h and step 10i.Inclined plane 10h and Step 10i has shape corresponding with the inclined plane 86e and step 86f of the hole portion part 86 shown in Figure 21.Inclined plane 10h is in circumference Upper extension, and it is gradually recessed upward in the counterclockwise direction.Therefore, it is formed at the inclined plane of bridge like part 10f lower surface 10h forms lateral cam.In bridge like part 10f lower surface formed with multiple, such as 4 inclined plane 10h, in inclined plane 10h Between form step 10i.Wall facing in the clockwise direction is formed by step 10i.

Reference pictureWhen making axle portion part 85 be moved downwards relative to hole portion part 86, hole portion part 86 and axle portion part 85 together relative to bridge like part 10f stress along clockwise direction.Now, inclined plane 86e abuts with inclined plane 10h, hole portion part 86 are pressed downwards relative to bridge like part 10f.Specifically, inclined plane 86e and inclined plane 10h is respectively offseted with a part Connect, rather than abutted respectively with entire surface.Logical via features 86 press on anti-dropout part 84 bridge like part 10f upper table Face.Loosened in the axial direction relative to bridge like part 10f hereby it is possible to suppress hole portion part 86.Moreover, by inclined plane 86e with inclining 10h strengths in inclined-plane abut, and friction is become big, and thereby, it is possible to suppress hole portion part 86 relative to bridge like part 10f in direction of rotation Upper loosening.It so, it is possible to suppress hole portion part 86 because of vibration etc. and relative to bridge like part 10f loosenings.

Reference pictureWhen making axle portion part 85 be moved upward relative to hole portion part 86, hole portion part 86 and axle portion part 85 together relative to bridge like part 10f stress in the counterclockwise direction.Now, the step 86f of hole portion part 86 and bridge like part 10f Step 10i is abutted.Rotated counterclockwise relative to bridge like part 10f hereby it is possible to suppress hole portion part 86.In the state Under, by making axle portion part 85 further rotate counterclockwise, make axle portion part 85 relative to hole portion part 86 to counterclockwise accordingly Direction is rotated, and axle portion part 85 is moved upward.

Reference picture 19, Figure 20, functional unit 88 is fixed with the upper end of axle portion part 85.Functional unit 88 from axle portion part 85 to Footpath extends outward, is held for user.Axle portion part 85 has large-diameter portion 85a and the minor diameter part positioned at large-diameter portion 85a lower section 85b.External screw thread is formed in large-diameter portion 85a outer peripheral face.Large-diameter portion 85a is to be interspersed in the state of spring 83 and the screw thread of hole portion part 86 Connection.Spring 83 is, for example, helical spring, and its upper end abuts with functional unit 88, and its lower end is supported in bridge like part 10f.Greatly Footpath portion 85a resists the loading force of spring 83 and the internal thread of the hole 86c with being formed at hole portion part 86 is threadedly coupled.

Reference picture 19, Figure 20, the minor diameter part 85b of axle portion part 85 are protruded downwards from hole portion part 86.Minor diameter part 85b is interted In the hole 87c of pressing component 87.Anti-dropout part 89 is installed in the groove 85c for being formed at minor diameter part 85b bottom.Anti-shedding part Part 89 is, for example, E shapes ring or C-shaped ring.Anti-dropout part 89 and large-diameter portion 85a diameter are bigger than minor diameter part 85b diameter.Cause This, pressing component 87 is installed in minor diameter part 85b in a manner of it can rotate.

As shown in Figure 19, Figure 20, Figure 25, pressing component 87 has：Rectangular-shaped rectangular portion 87a；With from rectangular portion 87a's The leg 87b that lower surface left and right end portions protrude downwards.Rectangular portion 87a is inserted between bridge like part 10f 2 post 10j.2 Individual post 10j is erected toward each other, facing with rectangular portion 87a side.Accordingly, pressing component 87 is limited relative to bridge portions Part 10f rotates.

As shown in Figure 17, Figure 18, axle portion part 85 is set to be revolved clockwise centered on axle by using functional unit 88 Turn, axle portion part 85 is moved downwards relative to hole portion part 86 and bridge like part 10f accordingly.Pressing component 87 and axle portion part 85 1 Rise and move downwards, connecting rod 80b is pressed on scale retention groove 10e by the leg 87b of pressing component 87.Accordingly, parallel scale 80 are kept relative to the position of pedestal 10.Rotated counterclockwise centered on axle by making axle portion part 85, make axle portion part 85 are moved upward relative to hole portion part 86 and bridge like part 10f.Pressing component 87 is moved upward together with axle portion part 85, is pressed Splenium part 87 leaves connecting rod 80b.Accordingly, parallel scale 80 can carry out position tune in the lateral direction relative to pedestal 10 It is whole.

As shown in figure 19, the bridge like part 10f as a part for pedestal 10 is identical with the other parts of pedestal 10, by Aluminium shapes.On the other hand, hole portion part 86 and axle portion part 85 are higher than the pedestal 10 such as bridge like part 10f part by wearability or rigidity Material forming.For example, hole portion part 86 and axle portion part 85 are shaped by metal materials such as steel, iron material, titanium, titanium alloys.It is preferred that hole portion Part 86 and axle portion part 85 with same uniform wearability or rigid material or same material by forming.Specifically, hole portion part 86 has There is the bore region for including hole 86c, bore region is by wearability or the rigidity material forming higher than pedestal 10.For example, can be in hole wall Implement the surface treatment such as hard chromium plating, quenching in face.Or can also in the hole portion part 86, only wall surface of the hole is by structures such as metal materials Into.

As shown in fig. 6, there is above-mentioned dustproof circular saw (portable processing machine) 1 pedestal 10, parallel scale 80 and scale to consolidate Determine device 81.Pedestal 10 supports annular saw body (processing machine body) 20, and is arranged on work piece W.Parallel scale 80 exists Abutted when moving side of the annular saw body 20 along work piece W with the side.As shown in Fig. 6, Figure 17, parallel scale 80 Have：Connecting rod 80b, it is arranged at the scale retention groove 10e of pedestal 10 in a manner of it can slide；With scale body 80a, its Lateral margin extension from the connecting rod 80b of the foreign side positioned at pedestal 10 end along pedestal 10.Scale fixing device 81 has：Hole 86c, it is arranged at pedestal 10；Axle portion part 85, it is threadedly coupled with hole 86c；With pressing component 87, it is arranged at axle portion part 85 End, connecting rod 80b is pressed on into scale retention groove 10e.Include hole 86c bore region by wearability than pedestal 10 other The high material in region is formed.

Therefore, reference picture 17, even in the feelings that caused cutting powder access aperture 86c is processed to work piece W Under condition, because bore region wearability is high, thus it is not easy to which being cut powder cuts damage.Therefore, bore region wears because cutting powder Situation tail off, make because of hole 86c abrasions and caused by, pressing component 87 tails off relative to the situation of the loosening of pedestal 10.Accordingly, By parallel scale 80 stabilization and pedestal 10 can be well fixed to.

Reference picture 17, bore region (86c) are formed by the material of the same race with axle portion part 85.For example, hole portion part 86 and axle portion part 85 form by steel.Therefore, in the case where cutting powder access aperture 86c, bore region can be suppressed than axle portion part 85 with more Big degree is cut damage.Therefore, the situation that bore region wears because cutting powder tails off, make because hole 86c abrasion and caused by, axle portion Part 85 and pressing component 87 tail off relative to the situation of the loosening of pedestal 10.

Reference picture 17, bore region (86c) are formed by steel.Therefore, the wearability of bore region is than the pedestal that is formed by aluminium etc. 10 other regions are high.Therefore, the situation that bore region wears because cutting powder tails off.

As shown in figure 17, dustproof circular saw 1 has apertured members 86, and the hole portion part 86 includes hole 86c, and with relative to pedestal The mode that 10 other regions can pull down is mounted.Therefore, can be only by hole in the case of hole 86c bore region breakage Part 86 is replaced by new hole portion part 86, overall without changing pedestal 10.Accordingly, only by changing smaller part, just Hole 86c breakage can be eliminated.

As shown in figure 17, hole portion part 86 has the upper end 86d of tapered.Therefore, when being processed to work piece W Caused cutting powder is not easy to be deposited in the top of hole portion part 86.Therefore, the cutting powder accumulated on the top of hole portion part 86 Situation in the hole 86c of access aperture part 86 tails off.

As shown in figure 17, there is pedestal 10 bridge like part 10f, bridge like part 10f to be located at connecting rod 80b top, and Across connecting rod 80b.In bridge like part 10f formed with the base aperture 10g inserted for hole portion part 86.Hole portion part 86 has：Cylinder portion 86a, it is inserted into base aperture 10g；With flange part 86b, its be arranged at the lower ora terminalis of a portion 86a and with bridge like part 10f Surface is opposite.In cylinder portion, 86a top is provided with the anti-dropout part 84 opposite with bridge like part 10f upper surface.Therefore, hole Part 86 is installed on bridge like part 10f by flange part 86b and anti-dropout part 84.

As shown in Figure 20, Figure 21, hole portion part 86 flange part 86b upper surface and bridge like part 10f lower surface it Between, it is provided with the structure that mutual revolving force is converted to axial power and anti-dropout part 84 is pressed on to bridge like part 10f. Therefore, hole portion part 86 is strongly held in bridge like part 10f, is thus not easy to loosen relative to bridge like part 10f.

As shown in Figure 2, Figure 4 shows, above-mentioned dustproof circular saw (portable cutter) 1 has：Annular saw body (cutting machine body) 20, it has the motor 30 for rotating discoid cutter 22；With fixed cover 21, it is to cover the one of the periphery of discoid cutter 22 Partial mode is fixed in annular saw body 20.Pedestal 10 above it in the vertical direction being capable of adjusting angle by annular saw body 20 Supported degree, adjust the overhang of discoid cutter 22 downward, and annular saw body 20 in the lateral direction can Supported to enough adjustment angles, so as to adjust angle of inclination of the discoid cutter 22 relative to Pivot axle.Auxiliary Cover 9 the above-below direction of annular saw body 20 oscillation center (swinging up and down support shaft 15) nearby, fixed cover 21 and pedestal 10 Between gap S at, cover the periphery of discoid cutter 22.Assist shroud reciprocating mechanism 25 is upper corresponding to annular saw body 20 The angle in lower direction, makes assist shroud 9 be moved relative to annular saw body 20.Left and right fascinate support shaft 13 by assist shroud 9 in right and left Pedestal 10 can be rotatably linked to upwards.Link gear 26 makes auxiliary corresponding to the angle on the left and right directions of annular saw body 20 Help cover 9 by left and right fascinate support shaft 13 centered on rotate in the lateral direction.

Therefore, assist shroud 9 not only as shown in Figure 2 and Figure 3 make annular saw body 20 relative to pedestal 10 in the vertical direction In the case of movement, also as shown in Fig. 7, Fig. 9 make annular saw body 20 inclined in the lateral direction in the case of, follow annular saw The angle of body 20.Although fixed cover 21 and the gap S of pedestal 10 shape correspond to above-below direction and a left side for annular saw body 20 Angle in right direction and change, but assist shroud 9 can move corresponding to gap S change in shape.Therefore, assist shroud 9 is passed through The situation that the gap S of dust from fixed cover 21 and pedestal 10 can be made to disperse tails off.

As shown in Fig. 6, Figure 15, assist shroud 9 has an angular guiding piece 14, and the angular guiding piece 14 is in the lateral direction It is enough to be installed on pedestal 10 relative to the mode of the adjustment angle of pedestal 10.It is provided with angular guiding piece 14 and links annular saw body 20 Support 14b, 14g.Therefore, by the way that angular guiding piece 14 is carried out into angle adjustment in the lateral direction, draw the angular of assist shroud 9 Guiding element 14 is together with annular saw body 20 in the lateral direction by carry out angle adjustment.

As shown in Fig. 2 assist shroud 9 has：Angular guiding piece 14, it relative to pedestal 10 can adjust in the lateral direction The mode of whole angle is installed on pedestal 10；With dust cover 24, it is linked to angular guiding piece 14 and annular saw body 20.Therefore, As shown in Fig. 7, Fig. 9, dust cover 24 and the angle linkage of angular guiding piece 14 in the lateral direction, and relative to pedestal 10 on a left side Fascinated in right direction.Also, as shown in Figure 2 and Figure 3, dust cover 24 and the angle linkage on the above-below direction of annular saw body 20, and Moved relative to annular saw body 20.

As shown in Figure 2 and Figure 3, dustproof circular saw 1 has the side can be moved in the vertical direction relative to annular saw body 20 Formula is linked to the above-below direction connecting structure (assist shroud reciprocating mechanism 25) of annular saw body 20.Therefore, dust cover 24 and circle Angle linkage on the above-below direction of saw body 20, and moved in the vertical direction relative to annular saw body 20.

As shown in Fig. 2 above-below direction connecting structure (25) has：Above-below direction elongated hole 24d, its be formed at dust cover 24 and It is longer in the vertical direction；With pin 19, it protrudes from annular saw body 20 and inserts above-below direction elongated hole 24d, and along upper and lower Moved to elongated hole 24d.Therefore, by fairly simple mechanism make dust cover 24 with relative to annular saw body 20 in the vertical direction The mode that can be moved is connected to annular saw body 20.

As shown in Figure 2 and Figure 3, by carrying out angle adjustment in the vertical direction to annular saw body 20, discoid cutter 22 is made Periphery and the intersection point of pedestal 10 move in the longitudinal direction.There is dustproof circular saw 1 assist shroud to move forward and backward mechanism 27, the auxiliary The movable mechanism 27 of cover makes the bottom of dust cover 24 move in the longitudinal direction corresponding to the movement of the intersection point.Assist shroud Movable mechanism 27 has：Fore-and-aft direction elongated hole 14f, it is formed at angular guiding piece 14, and longer in the longitudinal direction；With 24e is sold, it protrudes from dust cover 24 and inserts fore-and-aft direction elongated hole in a manner of it can be moved along fore-and-aft direction elongated hole 14f 14f。

Therefore, in the case where the intersection point of the periphery of discoid cutter 22 and pedestal 10 is movable, under dust cover 24 Move in the longitudinal direction end.Accordingly, dust cover 24 is always positioned near discoid cutter 22.In this way, pass through dust cover 24 can suitably suppress to cut dispersing for powder caused by discoid cutter 22.

As shown in Fig. 2 being provided with support 14b in angular guiding piece 14, support 14b causes annular saw body 20 with upper and lower The mode that can be rotated on direction is installed.In fore-and-aft direction elongated hole 14fs of the support 14b formed with angular guiding piece 14.Support 14b Because be installed on annular saw body 20 and close to annular saw body 20.Dust cover is linked with support 14b fore-and-aft direction elongated hole 14f 24, therefore, dust cover 24 is also close to annular saw body 20.Because discoid cutter 22 is installed in annular saw body 20, therefore, dust Cover 24 can be close to discoid cutter 22.In this way, dust cover 24 can suitably suppress to cut caused by discoid cutter 22 Powder disperses.

As shown in Figure 2 and Figure 3, dustproof circular saw 1 has assist shroud 9 and assist shroud reciprocating mechanism 25.Assist shroud 9 is with energy The mode enough moved is installed on fixed cover 21, to cause the oscillation center on the above-below direction of annular saw body 20 (to swing up and down Support shaft 15) nearby, at the fixed cover 21 and gap S of pedestal 10, cover the periphery of discoid cutter 22.Moved down in assist shroud Motivation structure 25 makes assist shroud 9 relative to the fixed movement of cover 21 corresponding to the angle on the above-below direction of annular saw body 20.

Therefore, as shown in Figure 2 and Figure 3, by by annular saw body (cutting machine body) 20 relative to pedestal 10 in above-below direction Upper carry out angle adjustment, make assist shroud 9 relative to the fixed movement of cover 21.Make the inclined feelings in the lateral direction of annular saw body 20 Under condition, because assist shroud 9 is installed in fixed cover 21, therefore, assist shroud 9 tilts in the lateral direction together with fixed cover 21. Therefore, although due to the angle of annular saw body 20, the fixed cover 21 and gap S of pedestal 10 shape changes, assist shroud 9 It can be moved corresponding to gap S shape.Accordingly, assist shroud 9 can suppress to cut powder between fixed cover 21 and pedestal 10 Gap S disperses.

As shown in Figure 2 and Figure 3, dustproof circular saw (portable cutter) 1 has cover body (9,21,23), the cover body (9,21, 23) annular saw body (cutting machine body) 20 is installed in a manner of covering a part for periphery for discoid cutter 22.Cover body with Annular saw body 20 fascinates in the lateral direction together.A part for cover body joins with the swing on the above-below direction of annular saw body 20 It is dynamic, and moved in the vertical direction relative to annular saw body 20, with cause the oscillation center of the above-below direction of annular saw body 20 (on Lower swing support shaft 15) nearby, the gap S of cover body and pedestal 10 diminishes.

Therefore, as shown in Figure 2 and Figure 3, by the way that annular saw body 20 is carried out into angle tune in the vertical direction relative to pedestal 10 It is whole, a part for cover body (9,21,23) is moved in the vertical direction relative to annular saw body 20.As shown in Fig. 7, Fig. 9, make In the case that annular saw body 20 fascinates in the lateral direction, because cover body is installed on annular saw body 20, therefore, cover body and annular saw sheet Body 20 fascinates together.Therefore, although in the presence of due to the angle corresponding to annular saw body 20, cover body and the shape in the gap of pedestal 10 The possibility to change, but corresponding to the angle of annular saw body 20, the position of a part (dust cover 24) for cover body and angle Change.Hereby it is possible to make the gap S of cover body and pedestal 10 diminish, and dispersing for cutting powder can be reliably suppressed.

As shown in Figure 2 and Figure 3, dust cover 24 is by being inserted into above-below direction elongated hole 24d pin 19 with can be relative to annular saw The mode that body 20 slides is linked to annular saw body 20.Instead of in this, dust cover 24 can also be with being arranged at annular saw body 20 Guiding wall slides while abutting, and is supported by guiding wall.

As 1 example of portable processing machine, dustproof circular saw 1 is illustrated above.Instead of in this, portable heating Work machine can also be to make the reciprocating scroll saw of cutter of strip, be used in the router for the cutter head rotation to form chamfering or groove (router) etc..

As shown in figure 19, the bridge like part 10f of hole portion part 86 and pedestal 10 is formed respectively.Instead of in this, the He of hole portion part 86 Bridge like part 10f can also be made up of 1 part.In other words, hole 86c can also be formed on pedestal 10, and makes axle portion part 85 are threadedly coupled with hole 86c.In such a situation it is preferred to implement surface treatment in the wall surface of the hole for forming hole 86c.

The scale fixing device 81 for parallel scale 80 to be fixed on to pedestal 10 is illustrated above.Consolidate with scale Determine the same structure of device 81 to be readily applicable to for the various auxiliary equipments beyond parallel scale 80 to be fixed on into pedestal 10 Fixing device.In Figure 26, Tu27Zhong, it is shown with the upper table of pedestal 10 of the dustproof circular saw 1 as portable processing machine for solid It is set for fixing device 120 of the strip scale of one with block 110 for auxiliary equipment.Fixing device 120 has to be consolidated with scale Determine the same structure of device 81.Pair use identical accompanying drawing mark with the situation identical part and structure of fixed parallel scale 80 Note, and omit its description.

As shown in figure 26, it is provided with pedestal 10 for fixing retention groove of the strip scale with the connecting rod 111 with block 110 10e、10m.Strip scale uses the connecting rod 111 with block 110 as the connecting rod 80b identical long strip plate shapes with parallel scale 80 Shape.Retention groove 10e, 10m 2 before and after the pedestal 10 at set in a manner of extending to the left and right.Retention groove 10e, 10m at 2 Left and right sides portion opening of the left and right ends portion in pedestal 10.The position in retention groove 10e, 10m by adjusting connecting rod 111 (position on left and right directions), strip scale can be micro-adjusted with the position with block 110.Strip scale, which is used, matches somebody with somebody block 110 Left and right directions on position determined by the position of the connecting rod 111 in fixed retention groove 10e, 10m.For to front side The fixing device (fixing device) 120 that connecting rod 111 is kept in retention groove 10e position is arranged at pedestal 10 Front left region.The fixing device 120 kept for the connecting rod 111 to rear side in retention groove 10m position is arranged at The rear right region of pedestal 10.

Strip scale is used with base portion 112 of the block 110 with the connecting rod 111 of 2 and rectangular flat shape.The company of 2 Knot bar 111 is screwed to the upper surface of base portion 112 by screw fastening part 113 respectively.In the lower surface of base portion 112 It is provided with the guide recess 112a inserted for the guide protrusion 115a of strip scale 115.Guide recess 112a is across base portion 112 Front and back end, and extend in the longitudinal direction.Strip scale 115 is longer in the longitudinal direction.Guide protrusion 115a is across strip The front and back end of scale 115 and extend in the longitudinal direction.Make in the state of guide protrusion 115a is entered guide recess 112a Base portion 112 abuts with the upper surface of strip scale 115.By making portable processing machine (dustproof circular saw 1) be used with strip scale Moved together along strip scale 115 with block 110, hereby it is possible to linearly to cut the work piece.

Above-mentioned fixing device 81,120 in addition to being used suitable for strip scale with block 110 and parallel ga(u)ge chi 80, such as The device of pedestal 10 can also be applied to be incorporated into using the attendant equipment of small-sized precipitron, water work etc. as auxiliary equipment.

The above-mentioned various embodiments being described in detail with reference to accompanying drawings are typical example of the present utility model, without limiting this practicality It is new.Explain be in order to make, use and/or the various modes for implementing this teaching, and to those skilled in the art The content of teaching, but do not limit the scope of the utility model.Also, above-mentioned each additional feature and teaching can each or It is applicable and/or uses with together with other features and teaching, provides the portable processing machine being modified and/or its manufacturer Method, application method.

Claims

A kind of 1. portable processing machine, it is characterised in that

Have：Processing machine body, it has the cutter for being used for being processed to work piece；

Pedestal, it supports the processing machine body and is arranged at the work piece；With

Fixing device, auxiliary equipment is fixed on the pedestal by it in a manner of it can dismantle,

The auxiliary equipment has connecting rod, and the connecting rod is in a manner of being arranged at and can be slided in the retention groove of the pedestal Set,

The fixing device has：It is arranged at the hole of the pedestal；The axle portion part being threadedly coupled with the hole；It is described with being arranged at The end of axle portion part, the connecting rod is pressed on to the pressing component of the retention groove,

Bore region comprising the hole is formed by the wearability material higher than other regions of the pedestal.
2. portable processing machine according to claim 1, it is characterised in that

The auxiliary equipment is to be abutted when moving side of the processing machine body along the work piece with the side Parallel scale,

The parallel scale has scale body, and the scale body is from the end of the connecting rod of the foreign side positioned at the pedestal Extend along the lateral margin of the pedestal.
3. portable processing machine according to claim 1 or 2, it is characterised in that

The bore region is formed by the material of the same race with the axle portion part.
4. portable processing machine according to claim 1 or 2, it is characterised in that

The bore region is formed by steel.
5. portable processing machine according to claim 1 or 2, it is characterised in that

Have apertured members, the hole portion part includes the hole and other areas described in the pedestal are installed in a manner of it can dismantle Domain.
6. portable processing machine according to claim 5, it is characterised in that

The hole portion part has the upper end of tapered.
7. portable processing machine according to claim 5, it is characterised in that

The pedestal has bridge like part, and the bridge like part is located at the top of the connecting rod and crosses over the connecting rod, in institute Base aperture of the bridge like part formed with confession hole portion part insertion is stated,

The hole portion part has：It is inserted into the cylinder portion of the base aperture；With the lower ora terminalis for being arranged on cartridge and with the bridge The opposite flange part in the lower surface of shape part,

The anti-dropout part opposite with the upper surface of the bridge like part is provided with the top of cartridge.
8. portable processing machine according to claim 7, it is characterised in that

Between the upper surface of the flange part of the hole portion part and the lower surface of the bridge like part, it is provided with that This revolving force is converted to the structure that axial power presses on the anti-dropout part bridge like part.
9. portable processing machine according to claim 1, it is characterised in that

The auxiliary equipment is used for strip scale matches somebody with somebody block,

The strip scale is used with block spread configuration in the pedestal, and be installed in a manner of it can slide be arranged on it is described The strip scale of work piece.