CN201353798Y

CN201353798Y - Oblique saw

Info

Publication number: CN201353798Y
Application number: CNU2009200077987U
Authority: CN
Inventors: 沃伦·布朗; 哈利·索默; 格雷厄姆·格哈德
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2009-02-24
Filing date: 2009-02-24
Publication date: 2009-12-02
Anticipated expiration: 2019-02-24

Abstract

An oblique saw comprises a base, a work table, a saw mechanism and a guardrail assembly, wherein the saw mechanism is engaged with and connected to the work table via a pivot, and the guardrail assembly is connected to the base. The guardrail assembly is directly and detachably arranged on the base to avoid clearance formed between two guardrails, thereby increasing cutting accuracy, simplifying structure and lowering costs. Besides, tilt angles of cutting can be increased because guardrails with different heights can be used interchangeably.

Description

Diagonal cutting saw

Technical field

The utility model relates to a kind of diagonal cutting saw, relates in particular to a kind of diagonal cutting saw that is provided with fence assembly.

Background technology

At present, traditional diagonal cutting saw is widely used in multiple cutting occasion as a kind of cutting tool.The saw that diagonal cutting saw generally includes base, is connected in the rotating workbench on this base and is pivotally connected to above-mentioned workbench top, wherein saw pivotally is connected on the workbench by the corner support, and this saw comprises motor, reaches by motor-driven saw blade.

This diagonal cutting saw also has the fence assembly that is connected on the base usually, and this fence assembly extends and crosses workbench along horizontal direction, be used to be cut workpiece against.Fence assembly generally comprise be fixed on the workbench decide guardrail and with respect to deciding the mobilizable auxiliary guardrail of guardrail.Above-mentioned auxiliary guardrail has a variety of installation forms, for example with respect to the auxiliary guardrail of the slidingtype of deciding the guardrail slip, or with respect to deciding the auxiliary guardrail of pivoted that guardrail pivots, assists guardrail or the like again or with respect to deciding the pluggable bolt-type of guardrail.

Announce No. 6899005 as United States Patent (USP) and disclosed a kind of diagonal cutting saw, this diagonal cutting saw has the nonfloating rail that is fixedly connected on base and with respect to nonfloating rail movable rail slidably, wherein nonfloating rail has the fixation workpiece stayed surface vertical with workbench, and movable rail has the moveable workpiece stayed surface vertical with workbench.When cutting, fixation workpiece stayed surface and moveable workpiece stayed surface are jointly against being cut workpiece.When needs increase the angle of inclination of cutting, to interfere for fear of other assembly and the movable rail generation of motor or saw, the movable rail that can slide is so that cut.

But there is certain defective in this fence assembly.This is because fixation workpiece stayed surface and moveable workpiece stayed surface need jointly against workpiece, and the moveable workpiece stayed surface needs often to slide with respect to the fixation workpiece stayed surface, so be difficult to guarantee the alignment of nonfloating rail and movable rail and at the aligning of vertical direction, thereby have influence on cutting accuracy.

The utility model content

The technical problems to be solved in the utility model: a kind of diagonal cutting saw with fence assembly is provided, and it can increase the angle of inclination of cutting, also can provide more accurate stayed surface for workpiece simultaneously.

The technical scheme that its technical problem that solves the utility model adopts: a kind of diagonal cutting saw, be used for cut workpiece, this diagonal cutting saw comprises: base, described base have the workpiece support face that is used for supporting workpiece; Workbench, rotatable being arranged on the described base; Saw is connected with described workbench, and described saw comprises motor and the saw blade that is driven by the motor rotation, and described base has the both sides that are provided with respect to plane, described saw blade place; First guardrail with first configuration, and described first guardrail is provided with and the vertically disposed first workpiece abutment face of described workpiece support face; Second guardrail with second configuration, described second guardrail of tool are provided with and the vertically disposed second workpiece abutment face of described workpiece support face; Described first guardrail and described second guardrail all selectively and be removably mounted on the described base, and described first configuration and described second configuration are inequality.

Described first configuration comprises first maximum height, second configuration comprises second maximum height, wherein said first maximum height be the described first workpiece abutment face perpendicular to described workpiece support towards last extended rise from, described second maximum height be the described second workpiece abutment face perpendicular to described workpiece support towards last extended rise from, and described first maximum height and described second maximum height are unequal.

Described first guardrail and described second guardrail is interchangeable is arranged on the described base.

Described first guardrail or described second guardrail are arranged on a side of described base.

Described first guardrail or described second guardrail are arranged on the opposite side of described base.

Described first guardrail has two, is separately positioned on the both sides of described base.

Described second guardrail has two, is separately positioned on the both sides of described base.

Be provided with the identical guider of structure between described base and described first guardrail and described second guardrail, described guider comprises and is arranged on the guide pad on first, second guardrail and is arranged on gathering sill on the base that wherein said guide pad slidably is contained in the described gathering sill.

Compared with prior art, the beneficial effects of the utility model: direct dismountable being installed on the base of guardrail that will have differing heights, so can avoid nonfloating rail and movable rail to be difficult to align and defective that in the vertical direction is difficult to aim at, thereby increased cutting accuracy, and make simple in structure, cost is low.Add guardrail and can exchange use mutually, can increase the angle of inclination of cutting like this with differing heights.

Description of drawings

Fig. 1 is the stereogram that the utility model diagonal cutting saw is equipped with first fence assembly.

Fig. 2 is the sectional perspective exploded view of the utility model diagonal cutting saw.

Fig. 3 is the sectional perspective exploded view of the utility model diagonal cutting saw.

Fig. 4 is the sectional perspective exploded view of the utility model diagonal cutting saw.

Fig. 5 is the stereogram that the utility model diagonal cutting saw is equipped with second fence assembly.

Fig. 6 is the sectional perspective exploded view of the utility model diagonal cutting saw.

Fig. 7 is the stereogram that the utility model diagonal cutting saw is equipped with positioner.

Fig. 8 is the stereogram that the utility model diagonal cutting saw is equipped with positioner.

1. base 11. workpiece support faces 12. first installed surfaces

14. stop face 2. workbench 20. retaining mechanisms

21. work top 3. saws 31. saw blades

32. electric machine casing 33. secure shroud 34. movable shield

35. handle 36. motors 4. supports

40. retaining mechanism 41. longitudinal axis 5. first fence assemblies

51. first guardrail, 511. first workpiece abutment faces, 512. bottom surfaces

513. opening 514. steps 6. second fence assemblies

61. second guardrail, 611. second workpiece abutment faces, 7. guiders

71. guide pad 711. contact-making surfaces 712. upper surfaces

72. gathering sill 721. stop faces 8. position locations

81. main body 82. elongated slots 83. location-plates

84. connecting plate 85. fixtures 86. screw rods

87. hole 88. knobs, 9. locking devices

91. screw rod 92. nuts 100. diagonal cutting saws

200. crown timber

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.

As shown in Figure 1, diagonal cutting saw 100 comprises base 1, the rotatable support 4 that is arranged on workbench 2 on the base 1, connects with workbench 2 and the saw 3 that connects with support 4.Wherein saw 3 is by the pivotal axis 30 pivotable supports 4 that are connected, and so this saw 3 just can come cut workpiece with respect to base 1 upper and lower pivot.

Workbench 2 rotatable being arranged on the base 1 are provided with between workbench 2 and base 1 workbench 2 are locked at retaining mechanism 20 on the base 1.Workbench 2 has the work top 21 that support is cut workpiece.

Saw 3 comprises saw blade 31, drives saw blade 31 motor rotating 36 (among the figure shown in the dotted line part motor), and secure shroud 33 and movable shield 34 and drive the handle 35 that saw 3 pivots around pivotal axis 30, wherein motor 36 rotatable being arranged in the electric machine casing 32; Handle 35 is fixedly installed on the secure shroud 33, is used for the operator and grips saw 3 and carry out work, is provided with switch (figure is not) on handle 35, is used for starting and disable motor 36; Secure shroud 33 usually and electric machine casing 32 be connected, in order to cover in part saw blade 31; Movable shield 34 is hinged on the secure shroud 33, be used for covering in rest parts saw blade 31 at non-cutting position, and movable shield 34 can the relative fixed guard shield 33 rotations, be used for cut workpiece to expose saw blade 31.Movable shield 34 is connected with movable shield drive unit (not shown), is used for opening fast and shutting movable shield 34.Secure shroud 33 is connected by pivot 30 with support 4, thereby operating grip 35 just can make saw 3 pivot and carry out cutting work.

Base 1 has and is used for supporting the workpiece support face 11 that is cut workpiece, and has the and arranged on left and right sides that is provided with respect to plane, saw blade 31 place and near operator's front side and the rear side that is oppositely arranged.This workpiece support face 11 roughly is positioned at same plane with work top 21, is used for jointly supporting being cut workpiece.

Support 4 is by the pivotable workbench 2 that is connected of the longitudinal axis 41 (as shown in Figure 3), make support 4 can drive saw 3 and can rotate the certain angle cut workpiece at clockwise and counterclockwise both direction with respect to workbench 2 around this longitudinal axis 41 together, that is to say that this support 4 can drive saw 3 and tilt to realize the double pendulum cutting together to the left and right sides.Between support 4 and workbench 2, be provided with support 4 is locked at retaining mechanism 40 on the workbench 2.

This diagonal cutting saw 100 further comprises first fence assembly 5, this first fence assembly 5 comprises that a pair of symmetry is set directly at first guardrail 51 of base 1 and arranged on left and right sides, and these two first guardrails 51 are respectively across on workbench 2, and are positioned at same plane, be used for jointly workpiece against.This first guardrail 51 can link together, and also can independently be provided with.In the present embodiment, a pair of first guardrail 51 is independent is provided with for this, is relatively independent individuality, below just set forth its concrete structure and and the relation that connects of base 1 with one of them first guardrail 51.

First guardrail 51 has the first workpiece abutment face 511, this first workpiece abutment face 511 and the 11 vertical settings of workpiece support face, be used to be cut workpiece against.And this first workpiece abutment face 511 has the first maximum height E that extends upward perpendicular to workpiece support face 11.This first maximum height E is the distance that the highest point on first guardrail 51 arrives workpiece support face 11.

First guardrail 51 has first configuration, and wherein configuration can comprise structure, shape, size or the like, wherein size be embodied in the length of first guardrail 51, highly, on the width, or on the area of the first workpiece abutment face 511; And shape is embodied in first guardrail 51 can be rectangle, ellipse, trapezoidal etc.; Structure is embodied in first guardrail 51 and is provided with opening or projection etc.

In the present embodiment, first guardrail 51 is roughly rectangle, and has an opening 513 and step 514 at least.Wherein,, can reduce the working (finishing) area of finishing face, thereby reduce cost so be provided with opening 513 thereon because the first workpiece abutment face 511 is a polished surface, and the easier shaping of this structure.

And have opening 513, and during as need cutting special-shaped workpiece, can also pass for workpiece, have better abutment face so that be cut workpiece.

First guardrail, 51 dismountable being arranged on the base 1.As shown in Figure 2, base 1 is provided with and first installed surface 12 (only having shown the wherein installed surface of a side) that is used for cooperating with first guardrail 51, this first installed surface 12 and the first workpiece abutment face 511 be arranged in parallel, and be arranged on the rear side of workpiece support face 11, with the workpiece support face 11 angled settings of base 1.In the present embodiment, this first installed surface 12 becomes 90 degree to be provided with the workpiece support face.When first guardrail 51 was arranged on the base 1, this first installed surface 12 and the first workpiece abutment face 511 were fitted (as shown in Figure 1) fully.

Between first guardrail 51 and base 1, be provided with guider 7 and locking device 9, in the present embodiment, this guider 7 comprises and is arranged on the guide pad 71 on first guardrail 51 and is arranged on gathering sill 72 on the base 1 that wherein this guide pad 71 slidably is contained in the gathering sill 72.

Be assembled together by locking device (not shown) between the guide pad 71 and first guardrail 51.Certainly the guide pad 71 and first guardrail 51 also can be integrally formed.

Guide pad 71 is the T-shape piece, have upper surface 712, and and gathering sill 72 against abutment face 711; Gathering sill 72 is the T-shape groove, and it has the stop face 721 that contacts with abutment face 711, and this guide pad 71 can slide with respect to this gathering sill 72.Certainly, known as those skilled in the art, guide channel 72 and guide pad can also be other fit systems such as dovetail groove, V-type groove.

As shown in Figure 3, on base 1, also be provided with the stop face 14 that supports first guardrail 51, this stop face 14 be arranged in parallel with the workpiece support face 11 of base 1 and with the 12 vertical settings of first installed surface.And have the bottom surface 512 that cooperates with this stop face 14, this bottom surface 512 and the 511 vertical settings of the first workpiece abutment face on first guardrail 51.

Locking device 9 comprises screw rod 91 and the nut 92 that is mated, and hole and the Kong Houyu nut on first guardrail 51 92 that this screw rod 91 passes on the guide pad 71 simultaneously cooperate, thereby first guardrail 51 is locked on the base 1.

When assembling first guardrail 51, as shown in Figure 4, only need guide pad 71 is inserted in the gathering sill 72, again to lower slider, up to the bottom surface 512 of first guardrail 51 by stop face 14 stops of base 1, screw nut 92 again, the abutment face 711 of guide pad 71 is closely contacted with the stop face 721 of gathering sill 72, and so, first guardrail 51 just is fixedly installed on a side of base 1, be used to be cut the location of workpiece, at this moment the upper surface 712 and workpiece support face 11 almost parallels (as shown in Figure 1) of guide pad 71.So, first guardrail 51 just can directly connect on base 1, and owing to have only guardrail location, so can not produce the gap as fixing, movable rail, influences cutting accuracy.

When dismantling first guardrail 51, only need unscrew nut 92, make the abutment face 711 of guide pad and the stop face 721 of gathering sill 72 produce gaps, first guardrail 51 that so only need upwards slide just can disassemble it very easily.

As shown in Figure 5, this diagonal cutting saw 100 further comprises second fence assembly 6, and this second fence assembly 6 comprises a pair of second guardrail 61 that is symmetricly set on base 1 and arranged on left and right sides, and these two second guardrails 61 are respectively across on workbench 2, and be positioned at same plane, be used for jointly workpiece against.Second guardrail 61 can link together, and also can independently be provided with.In the present embodiment, these a pair of second guardrail, 61 same first guardrails 51 are equally for independently individual, relatively independent.

Second guardrail 61 has the second workpiece abutment face 611.Wherein the second workpiece abutment face 611 has the second maximum height F that extends upward perpendicular to workpiece support face 11, and this second maximum height F is the distance that the highest point on second guardrail 61 arrives workpiece support face 11.And this second maximum height apart from F less than first maximum height apart from E, the height that is to say second guardrail 61 less than first guardrail, 51 height.So, second fence assembly 6 relatively be applicable to low workpiece against or be applicable to need the big angle of inclination of cutting workpiece against, first fence assembly 5 be applicable to higher workpiece against or be applicable to need the less angle of inclination of cutting workpiece against.

Second guardrail 61 has second configuration, and wherein configuration can comprise structure, shape, size or the like, wherein size be embodied in the length of second guardrail 61, highly, on the width, or on the area of the second workpiece abutment face 611; And shape is embodied in second guardrail 61 can be rectangle, ellipse, trapezoidal etc.; Structure is embodied in second guardrail 61 and is provided with opening or projection etc.And second configuration and first configuration are inequality.Both configurations are mainly reflected in difference on the height as mentioned above in the present embodiment.Certainly, known as those skilled in the art, identical height can be arranged, different length or width; As rectangle or trapezoidal, or opening or imperforation or the like are arranged again or have different shapes.

Opening also can be set on the second workpiece abutment face 611 of second guardrail 61, pass through with the minimizing polished surface or for workpiece.In the present embodiment, second guardrail, 61 imperforations.

When second guardrail 61 was arranged on the base 1, the second workpiece abutment face 611 was fitted fully with the installed surface 12 of base 1.

As shown in Figure 6, be provided with between this second fence assembly 6 and the base 1 with first fence assembly 5 and base 1 between identical guider 7 and locking device 9 (not shown) of structure, so, second fence assembly 6 also can dismountable very easily both sides that are arranged on base 1, are used to be cut the location of workpiece.

Because first fence assembly 5 and second fence assembly 6 can be very easily and base 1 dismounting, so first fence assembly 5 can selectively be connected with base 1 as required with second fence assembly 6, are used for against workpiece.

When the operator need cut low workpiece and maybe needs the big angle of inclination of cutting workpiece, can second fence assembly 6 be assemblied on the base 1, as shown in Figure 5 according to above-mentioned method; When needs cut higher workpiece and maybe need to cut less angle of inclination workpiece, second fence assembly 6 can be taken off it according to the method described above, fit on first fence assembly 5 again, as shown in Figure 1.So the operator can select as required to use which group guardrail as be cut workpiece against.So promptly can increase the angle of inclination of cutting, also can provide more accurate stayed surface simultaneously for workpiece.

Certainly, as the operator in use, as need not to tilt to the right cut workpiece, and often need to tilt to the left cut workpiece, can be with first guardrail 51, just higher guardrail is arranged on the right side of base 1; And can can select one of them to be assemblied in the left side of base 1 second guardrail 62 and first guardrail 51 as required.Equally, also can be with first guardrail 51, just higher guardrail is arranged on the left side of base 1; And can can select one of them to be assemblied in the right side of base 1 second guardrail 62 and first guardrail 51 as required.

Certainly, because second guardrail 61 and first guardrail 51 are relatively independent, form one group of new guardrail so also one first guardrail 51 and second guardrail 61 can be had the guardrail of two differing heights, when needs tilt to cut the workpiece at big angle of inclination to the right, second guardrail 62 that will be lower is arranged on the right side, simultaneously the first higher guardrail 51 is arranged on the left side, otherwise also can.

As Fig. 2, Fig. 3, Fig. 7 and shown in Figure 8, the operator cuts crown timber 200 for convenience, also is provided with positioner 8 on first guardrail 51.Certainly, this positioner 8 is applicable to second fence assembly 6 too.

Be example now with the positioner 8 that is arranged on one of them first guardrail 51.As shown in Figure 2, this position location 8 comprises the main body 81 that is provided with elongated slot 82, the connecting plate 84 that is arranged on main body 81 1 ends and the location-plate 83 that is connected with connecting plate 84, wherein 81 one-tenth vertical settings of connecting plate 84 and main body, location-plate 83 also becomes vertical setting with connecting plate 84, and this location-plate 83 is used for being used from first guardrail 51 1 location of crown timber 200.

Also be provided with fixture 85 between the positioner 8 and first guardrail 51, this fixture 85 is arranged on the other end of main body 81, be mainly used in main body 81 is fixed on first guardrail 51, and this fixture 85 can also be slided with respect to elongated slot 82.

This fixture 85 comprises screw rod 86 and the screwed hole 87 that cooperates with screw rod 86, and its mesopore 87 is arranged on first guardrail 51, and screw rod 86 can slide with respect to elongated slot 82, and also is provided with knob 88 on it.

Positioner 8 has memory location and operating position, and in the operating position, the main body 81 of positioner 8 is parallel with workpiece support face 11, and as shown in Figure 8, the positioner 8 and first guardrail 51 are jointly against crown timber 200; In the memory location, when just need not to use positioner 8, main body 81 and the 11 vertical settings of workpiece support face as shown in Figure 3, so just can not influence first guardrail 51 and be used for against the workpiece that is not crown timber.

When needs cut crown timber 200, as shown in Figure 7, at first unscrew knob 88, the main body 81 of positioner 8 is pivoted, up to the lower surface and 11 applyings of workpiece support face of connecting plate 84 around screw rod 86.As shown in Figure 8, screw knob 88 again, so this positioner 8 just is fixed on first guardrail 51, with first fence assembly 5 be used for jointly crown timber 200 against.

Certainly, crown timber 200 also has size difference, and the location as shown in Figure 8, unscrews knob 88 for convenience, regulates main body 81, and it is slided in elongated slot 82 along the H direction shown in the figure, gets final product when the arrival desired location screws knob 88.

Claims

1. a diagonal cutting saw is used for cut workpiece, and this diagonal cutting saw comprises:

Base, described base have the workpiece support face that is used for supporting workpiece;

Workbench, rotatable being arranged on the described base;

Saw is connected with described workbench, and described saw comprises motor and the saw blade that is driven by the motor rotation, and described base has the both sides that are provided with respect to plane, described saw blade place;

First guardrail with first configuration, and described first guardrail is provided with and the vertically disposed first workpiece abutment face of described workpiece support face;

Second guardrail with second configuration, described second guardrail of tool are provided with and the vertically disposed second workpiece abutment face of described workpiece support face;

It is characterized in that: described first guardrail and described second guardrail all selectively and be removably mounted on the described base, and described first configuration and described second configuration are inequality.

2. diagonal cutting saw according to claim 1, it is characterized in that: described first configuration comprises first maximum height, second configuration comprises second maximum height, wherein said first maximum height be the described first workpiece abutment face perpendicular to described workpiece support towards last extended rise from, described second maximum height be the described second workpiece abutment face perpendicular to described workpiece support towards last extended rise from, and described first maximum height and described second maximum height are unequal.

3. diagonal cutting saw according to claim 1 is characterized in that: described first guardrail and described second guardrail is interchangeable is arranged on the described base.

4. diagonal cutting saw according to claim 1 is characterized in that: described first guardrail or described second guardrail are arranged on a side of described base.

5. diagonal cutting saw according to claim 4 is characterized in that: described second guardrail or described first guardrail are arranged on the opposite side of described base.

6. diagonal cutting saw according to claim 1 is characterized in that: described first guardrail has two, is separately positioned on the both sides of described base.

7. diagonal cutting saw according to claim 1 is characterized in that: described second guardrail has two, is separately positioned on the both sides of described base.

8. diagonal cutting saw according to claim 1, it is characterized in that: be provided with the identical guider of structure between described base and described first guardrail and described second guardrail, described guider comprises and is arranged on the guide pad on first, second guardrail and is arranged on gathering sill on the base that wherein said guide pad slidably is contained in the described gathering sill.

9. diagonal cutting saw according to claim 1 is characterized in that: at least one is provided with described first guardrail and second guardrail and is used for the workpiece positioning means for positioning, described positioner and described first guardrail or the second guardrail together support workpiece.

10. diagonal cutting saw according to claim 1 is characterized in that: at least one is provided with opening in described first workpiece abutment face and the described second workpiece abutment face.