CN101758291B - Cutter - Google Patents

Abstract

The invention discloses a cutter, which comprises a worktable and a sawing mechanism that is pivoted with the worktable, wherein the sawing mechanism comprises a motor, a saw bit and a fixing shield; the motor is positioned above the worktable; the saw bit is driven by the rotation of the motor; the fixing shield is used for at least wrapping part of the saw bit. A first support area or a second support area is matched and connected with the worktable, therefore, 90-degree vertical cutting or left and right chamfering is realized only by placing the work piece in the first support area or the second support area without changing or adjusting any structure. Therefore, the whole structure of the cutter is greatly simplified, the production cost is lowered, and the operation is easy and convenient.

Description

Cutting machine

Technical field

The present invention relates to a kind of cutting machine, particularly relate to a kind of cutting machine that can realize cutting sth. askew.

Background technology

Traditional cutting machine, as a kind of cutting tool, has very wide range of application, may be used for cutting a lot of metal or nonmetallic materials, cuts efficient and convenient.Cutting machine generally comprises base, be positioned at the saw with motor and saw blade above base and be arranged on base for the guardrail of Workpiece fixing, wherein base is roughly provided with the circular rotating workbench with cutting groove horizontally rotated in centre position, and saw is connected to the rear side of this rotary table pivotly by support arm.Guardrail is a location-plate, and the arc connecting portion that this location-plate deviates from cutting groove by the datum plane portion at two ends and middle part forms.During use, operation rotary table, make it rotate, thus this rotary table can drive saw and saw blade to forward required angle to; Then cut workpiece is positioned on rotary table, and is close in the datum plane portion at location-plate two ends; Finally then press saw downwards, saw blade declines thereupon and cuts cut workpiece, so just can realize the object of cutting sth. askew of cut workpiece.

But find in actual mechanical process, because saw is arranged on the table pivotly by support arm, make complicated structure, and base arranges the rotary table with rotational structure, make the parts of whole cutting machine more, complicated structure, thus the cost adding making.Meanwhile, owing to rotary table being installed with the heavier parts such as saw, and these parts also need rotate along with rotary table together, therefore rotate more painstaking, inconvenient.Also add the complexity of Maintenance and Repair simultaneously.

Summary of the invention

The technical problem to be solved in the present invention: the cutting machine that a kind of structure is simple, easy to operate is provided.

The technical solution adopted for the present invention to solve the technical problems is: a kind of cutting machine, comprising: workbench, is provided with cutting groove, and described cutting groove has center line; Saw, is rotatably connected on described workbench by pivot, wherein said saw comprise be positioned at motor above workbench, by the saw blade of motor rotary actuation and the secure shroud of at least covered section saw blade, described saw blade partially passes through described cutting groove; First supporting zone, described first supporting zone comprises the first supporting surface that setting supports workpiece on the table in the horizontal direction and the abutment face arranged perpendicular to described first supporting surface, and wherein said abutment face and described center line define 90 degree of angles; Described cutting machine is provided with the second supporting zone, described second supporting zone comprises the second supporting surface and at least one adjacent surface perpendicular to described second supporting surface setting that setting supports workpiece on the table in the horizontal direction, wherein said adjacent surface and described center line form the angle being less than 90 degree, and described second supporting surface is parallel with described first supporting surface and lower than described first supporting surface.

Described adjacent surface comprises the first adjacent surface and the second adjacent surface that are separately positioned on described cutting groove both sides, and first, second adjacent surface wherein said and described center line form first, second certain degree being less than 90 degree.

First, second supporting surface described is directly formed on described workbench; First, second adjacent surface described upwards extends perpendicularly to described first supporting surface by described second supporting surface respectively.

Described second supporting surface is directly formed on described workbench; Described cutting machine also comprises first, second locating piece be arranged on described workbench, first, second adjacent surface wherein said is directly formed at first, second locating piece respectively, and described first supporting surface is directly formed at the upper surface of first, second locating piece described.

Described workbench is provided with the baffle plate that two lay respectively at described cutting groove both sides, and described baffle plate is used for saw blade described in covering part.

Form a control of dust passage between described two baffle plates, described saw blade is through described control of dust passage.

Between described secure shroud and described workbench, be provided with hollow dust-collecting box in the position closing on described pivot, described dust-collecting box has the entrance collecting dust, and described entrance is connected with described control of dust passage.

Described baffle plate can be partially housed in described entrance.

Described dust-collecting box is provided with filter.

Be provided with host cavity in the below of described cutting groove, at least part of described saw blade is contained in described host cavity.

Described host cavity is formed by the cover body be fixedly installed on below described workbench.

Described host cavity is connected with crossed control of dust passage, and the chip produced during the cutting of described saw blade is through described host cavity, described control of dust passage and draining in described dust-collecting box.

Described pivot has axis, described axis and described first supporting surface coplanar or be parallel to described first supporting surface and be positioned at the below of described first supporting surface.

Described saw blade has saw blade plane, and described secure shroud is provided with handle, and described handle is arranged relative to described saw blade plane symmetry.

Described saw can be movable between sawing position and carrying position, and in described sawing position, described saw is around described pivot pivotable; In described carrying position, described saw is fixed relative to described workbench, and described saw blade is through described cutting groove.

Described saw blade is arranged on saw blade axis, and described saw blade axis has the saw blade axis axis being parallel to described first supporting surface; Described handle has the grip part gripped for operator, and move position described, at least part of described grip part is lower than described saw blade axis axis.

Compared with prior art, beneficial effect of the present invention: be provided with first, second supporting zone on the table, thus without the need to changing or regulating any structure, and only workpiece need be positioned over the first supporting zone or the second supporting zone, just can realize 90 degree and vertically cut and cut sth. askew with left and right.So, significantly simplify the overall structure of cutting machine, reduce cost of manufacture, and operation easily, conveniently.

Accompanying drawing explanation

Fig. 1 is the stereogram of cutting machine first embodiment of the present invention.

Fig. 2 is the three-dimensional exploded view of cutting machine first embodiment of the present invention.

Fig. 3 is the stereogram of cutting machine first embodiment of the present invention, realizes left 45 degree and cuts sth. askew.

Fig. 4 is the stereogram of cutting machine first embodiment of the present invention, realizes right 45 degree and cuts sth. askew.

Fig. 5 is the stereogram of cutting machine first embodiment of the present invention, realizes left 45 degree and cuts sth. askew.

Fig. 6 is the another stereogram of cutting machine first embodiment of the present invention.

Fig. 7 is the left view of cutting machine first embodiment of the present invention, is now in position of rest.

Fig. 8 is the left view of cutting machine first embodiment of the present invention, is now in and moves position.

Fig. 9 is the stereogram of cutting machine first embodiment of the present invention, is now in and moves position.

Figure 10 is the partial perspective view of cutting machine first embodiment of the present invention, has excised some work platform.

Figure 11 is the stereogram of cutting machine second embodiment of the present invention.

Figure 12 is the stereogram of cutting machine of the present invention 3rd embodiment, does not install saw blade.

Wherein

1. workbench 11. cutting groove 111. center line

12. first supporting surface 13. receiving space 14. abutment faces

15. baffle plate 16. gap 17. cavitys

18. control of dust passage 19. bottom surface 2. pivots

21. axis 3. saw 31. saw blades

32. saw blade axis axis 33. electric machine casing 34. secure shroud

35. movable shield 36. handle 361. grip parts

37. cover body 41,41a, 41b first adjacent surface 42,42a, 42b second adjacent surfaces

43,43a, 43b second supporting surface 44a. first locating piece 45a. second locating piece

5. dust-collecting box 51. screen pack 52. entrance

6. auxiliary locator 61. holder 62. bracing or strutting arrangement

The crown timber of 63. stop face 200. workpiece 300.

301. first side 303., side 302. second end faces

Detailed description of the invention

Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.

See shown in Fig. 1 to Figure 10, first preferred embodiment of the invention.As depicted in figs. 1 and 2, the saw 3 that cutting machine comprises workbench 1, connects with workbench 1, wherein saw 3 is directly rotatably connected on workbench 1 by pivot 2, thus makes cutting machine structure of the present invention simple, compact, and cost is low.

The motor (not shown) that saw 3 comprises saw blade 31, drive saw blade 31 to rotate and secure shroud 34 and movable shield 35 and handle 36, wherein saw blade 31 is arranged on saw blade axis (not shown), and this saw blade axis has saw blade axis axis 32; Motor is rotatable to be arranged in electric machine casing 33, rotates around saw blade axis axis 32 for driving saw blade 31; Handle 36 is fixedly installed in secure shroud 34, handle 36 is provided with for starting and the switch (non-label) of disable motor and safety switch, certainly in order to this handle 36 can be applicable to right-hand man's operation simultaneously, handle is provided with two switches (non-label) and is used for starting and disable motor; Secure shroud 34 usually and electric machine casing 33 be connected, in order to cover in part saw blade 31; Movable shield 35 is hinged in secure shroud 34, and for covering part saw blade 31, and movable shield 35 can rotate relative to secure shroud 34, is used for cut workpiece to expose saw blade 31.Operating grip 36 just makes saw 3 pivotable to perform cutting work.And secure shroud 34 is made up of the metal material such as aluminium or cast iron usually, improve rigidity.

Workbench 1 is provided with the cutting groove 11 extended along longitudinally providing saw blade 31 to pass, and this cutting groove 11 has center line 111, and vertically with pivot 2 arranges.Roughly semicircular receiving space 13 is provided with at the rear side of workbench 1.Workbench 1 can be made up of nonmetallic materials, as wearability plastics etc., adopt the nonmetallic materials such as plastics can reduce the weight of whole cutting machine, convenient carrying, and cost is lower.

Saw 3 can rotate between sawing position and position of rest around the axis 21 of pivot 2, thus realizes cut workpiece.Pivot 2 is provided with torsion spring (not shown), and in sawing position, pressing saw 3, compression torsion spring, make saw 3 rotate relative to workbench 1 around axis 21, realize cutting, as shown in Figure 3 and Figure 4; After completing cutting, saw 3 resets to position of rest (as shown in Figure 7) under the effect of torsion spring.And conveniently move, saw 3 can also turn to carrying position (as shown in Figure 8 and Figure 9) around axis 21, move position at this, by locking mechanism (not shown), saw 3 is fixed on workbench 1, now saw blade 31 is through cutting groove 11.Saw 3, known by those skilled in the art, can be bundled on workbench 1 with belt by this locking mechanism; Or utilize the cooperation in pin and hole to be fixed on workbench 1 by saw 3.

As shown in Figure 1, workbench 1 be provided with the first supporting surface 12 of supporting workpiece in the horizontal direction and in the vertical direction for workpiece against fence assembly.Saw blade axis axis 32 is parallel to this first supporting surface 12.In the present embodiment, the first supporting surface 12 is integrally formed with workbench.Fence assembly can integrally formed with workbench 1, also can be fixedly installed on workbench 1.In the present embodiment, this fence assembly is a part for workbench 1, extended to form vertically upward by the first supporting surface 12, this fence assembly has and to be symmetrical arranged and for being provided with the gap 16 providing saw blade 31 to pass between abutment face 14, two abutment faces 14 against workpiece.And left and right wallowing motion can not be made relative to perpendicular due to this saw 3, so this gap 16 is narrower, thus can better against workpiece.

This first supporting surface 12 and abutment face 14 define the first supporting zone, and wherein abutment face 14 and the center line 111 of cutting groove 11 define the angle of 90 degree, so this first supporting zone is for supporting the workpiece needing 90 degree of cuttings.

Below with reference to the accompanying drawings 1 90 degree of specific operation process of cutting are described.During cutting, cut workpiece 200 is placed on the first supporting surface 12, and be close to abutment face 14, then saw 3 is pressed downwards, this saw 3 is rotated around axis 21, saw blade 31 declines thereupon and cuts cut workpiece 200, so just can realize the vertical cutting of 90 degree of cut workpiece 200.

And cut sth. askew to realize, this cutting machine is also provided with the second supporting zone, this second supporting zone comprises the second supporting surface 43 being arranged on and workbench 1 supporting in the horizontal direction workpiece and the adjacent surface that at least one is arranged perpendicular to this second supporting surface 43, the center line 111 of this adjacent surface and cutting groove 11 defines the angle being less than 90 degree, so this second supporting zone is for supporting the workpiece that need cut sth. askew.

In the present embodiment, the second supporting surface 43 is directly formed on workbench 1.And but the not coplanar setting parallel with the first supporting surface 12 of the second supporting surface 43, both have different height, form step, and the second supporting surface 43 are lower than the first supporting surface 12.Even if so be positioned over by wider workpiece on the first supporting surface 12, the impact of the second supporting surface 43 also can not be subject to.

In the present embodiment, adjacent surface comprises the first adjacent surface 41 and the second adjacent surface 42 being separately positioned on cutting groove 11 both sides.

Wherein the first adjacent surface 41 is directly formed on workbench 1, and is extended vertically upward until the first supporting surface 12 by the second supporting surface 43.The center line 111 of the first adjacent surface 41 and cutting groove 11 defines the first certain degree β, and arbitrarily angled between 0 degree and 90 degree of this first specific angle β.

Second adjacent surface 42 is directly formed on workbench 1, and is extended vertically upward until the first supporting surface 12 by the second supporting surface 43.The center line 111 of the second adjacent surface 42 and cutting groove 11 defines the second certain degree β ', and arbitrarily angled between 0 degree and 90 degree of this second specific angle β '.

Define between first adjacent surface 41 and the second adjacent surface 42 and be less than 180 degree and the certain degree being more than or equal to 90 degree, the second supporting zone can be facilitated to support workpiece because be more than or equal to 90 degree, accurately cut.In the present embodiment, this certain degree is 90 degree, and the first certain degree β between the first adjacent surface 41 and center line 111 with the second certain degree β ' between the second adjacent surface 42 and center line 111 equal, be all 45 degree, thus realize 45 degree and cut sth. askew.Certainly, the first certain degree β and the second certain degree β ' also can be unequal.This can describe in detail in the following embodiments.

Below with reference to the accompanying drawings 3-4 illustrates the specific operation process of cutting sth. askew.When need cut sth. askew left 45 degree time, as shown in Figure 3, cut workpiece 200 is placed on the second supporting surface 43, and the first adjacent surface 41 is close in the side of cut workpiece 200, certainly in order to positioning stablity, reliably, the end face of workpiece 200 is close to the second adjacent surface 42, if the end face of cut workpiece 200 exceeds the second adjacent surface 42, operator first can incite somebody to action cutaway redundantly according to previously described 90 degree of methods of vertically cutting, and the end face of this workpiece so just can be made to be close on the second adjacent surface 42; So to by operator's operating grip 36, pressing saw 3, makes this saw 3 around axis 21 pivotable downwards, simultaneously movable shield 35 secure shroud 34 pivotable thus expose saw blade 31 relatively; Saw blade 31 decline cut workpiece thereupon 200, cuts sth. askew in 45 degree, the left side that so just can realize workpiece 200.So, without the need to rotary table, also without the need to rotating saw again, or change other structure and just can realize accurately cutting sth. askew.But also significantly simplify the overall structure of cutting machine, reduce cost of manufacture, and operation is easily, conveniently.

Equally, when need cut sth. askew right 45 degree time, as shown in Figure 4, cut workpiece 200 is placed on the second supporting surface 43, and the second adjacent surface 42 is close in its side, certainly in order to positioning stablity, reliably, the end face of workpiece 200 is close to the first adjacent surface 41, if the end face of cut workpiece 200 exceeds the first adjacent surface 41, operator can, first by cutaway redundantly, make its end face be close on the first adjacent surface 41; So to by operator's operating grip 36, pressing saw 3 downwards, making this saw 3 around axis 21 pivotable, saw blade 31 decline cut workpiece thereupon 200, has accurately cut sth. askew in 45 degree, the right side that so just can realize workpiece 200.

So, this cutting machine is without the need to changing or regulating any structure, on first supporting surface 12 that only workpiece need be placed on differing heights or the second supporting surface 43, and use different vertical abutment faces 14 or first, second adjacent surface 41,42, that is, workpiece is positioned over the first or second supporting zone, just can realizes 90 degree of cuttings or left and rightly to cut sth. askew.Thus simplify the overall structure of cutting machine, reduce cost of manufacture, and operation is easily, conveniently.

Certainly, this cutting machine also can be used for cutting crown timber 300.As shown in Figure 5, in order to positioning stablity, reliably, workbench 1 is also provided with dismountable auxiliary locator 6, this auxiliary locator 6 comprises the holder 61 connected on workbench 1 and the bracing or strutting arrangement 62 be arranged on this holder, wherein bracing or strutting arrangement 62 defines the stop face 63 for cut Workpiece fixing, and wherein this stop face 63 is vertical with the second supporting surface 43 is arranged; And concordant with the first adjacent surface 41, be jointly used for supporting crown timber 300.In the present embodiment, this auxiliary locator 6 and the first adjacent surface 41 come together to locate left 45 degree; Certainly, this auxiliary locator 6 also can be come together position right 45 degree or other angle with the second adjacent surface 42.

Operate as follows: first the first side 301 of cut crown timber 300 is placed on the second supporting surface 43, and its second side 302 is close to stop face 63 and first adjacent surface 41 of auxiliary locator 6, certainly in order to positioning stablity, reliably, its end face 303 is close on the second adjacent surface 42, if the end face of cut crown timber 300 exceeds the second adjacent surface 42, operator can, first by cutaway redundantly, make its end face 303 be close on the second adjacent surface 42; So to by operator's operating grip 36, press saw 3 downwards, make this saw 3 around axis 21 pivotable; Saw blade 31 declines thereupon and cuts crown timber 300, has accurately cut sth. askew in 45 degree, the left side that so just can realize crown timber 300.

Again see Fig. 2, workbench 1 is provided with the baffle plate 15 that two lay respectively at cutting groove 11 both sides.Baffle plate 15 is positioned at the both sides of saw blade 31 and tries one's best near saw blade 31, for covering part saw blade 31.So, as shown in Figure 7, at position of rest, this baffle plate 15 hides saw blade 31 jointly with secure shroud 34 and movable shield 35, and the edge of complete coated saw blade 31, improve the security of product, the material of the guard shield 35 that also takes in sail; Simultaneously because movable shield size is smaller, thus shield drive mechanism (not shown) just can design fairly simple, make easy to operate.

Again see Fig. 2, form a control of dust passage 18 between two baffle plates 15, saw blade 31 is through this control of dust passage 18.

As shown in Figure 2 and Figure 6, between secure shroud 34 and workbench 1 and the position closing on pivot 2 is provided with dust-collecting box 5.This dust-collecting box 5 is hollow, for collecting chip and dust.

Dust-collecting box 5 can be integrally formed with secure shroud 34, and substantially extend vertically downward secure shroud 34, roughly in cuboid, and is partially housed in receiving space 13.

Dust-collecting box 5 is provided with the entrance 52 collecting dust on the side 54 near saw blade, and this enters 52 and is connected with control of dust passage 18, and this entrance 52 can accommodate at least part of baffle plate 15.

Again see Fig. 3, in sawing position, baffle plate 15 can be partially housed in the entrance 52 of dust-collecting box 5, and gap between baffle plate 15 and entrance 52 dual-side is the smaller the better.So, workpiece the chip that cuts out by saw blade 31 can along with the saw blade 31 rotated the centrifugal force that produces send into control of dust passage 18 with swirling eddy and drain in dust-collecting box 5 afterwards.

As shown in Figure 6, connecting at the rear of this dust-collecting box 5 can the filter of filtered air, certainly, also can be connected with dust bag etc. at the rear side of dust-collecting box 5.In the present embodiment, filter is mobilizable screen pack 51 be arranged on dust-collecting box 5, when the sawdust in dust-collecting box 5 and dust are deposited to a certain amount of, just screen pack 51 can be disassembled, thus just can chip be removed from dust-collecting box 5 easily.Certainly, also can screen pack 51 be arranged on dust-collecting box 5 in rotatably mode, so, only need rotate screen pack 51 and just chip can be removed.

As shown in Figure 7, axis 21 and the first supporting surface 12 coplanar or be parallel to the first supporting surface 12 and be positioned at the below of the first supporting surface 12, in the present embodiment, the volume that can increase dust-collecting box 5 is so set, thus improves the efficiency of control of dust.

As shown in Figure 9, be cavity 17 below workbench 1, so, the weight of whole cutting machine can be reduced, but also reduce cost.In this carrying position, saw 3 presses down, and saw blade 31 is by cutting groove 11 and extend to the below of workbench 1.Hurt people to prevent saw blade 31 from exposing, so the below aiming at cutting groove 11 (not shown) on workbench 1 is provided with the host cavity (non-label) matched with the profile of saw blade 31, at least part of saw blade 31 is contained in this host cavity.Host cavity is formed by the cover body 37 be fixedly installed on below workbench 1.As shown in Figure 10, host cavity is connected with control of dust passage 18.So, workpiece the chip that cuts out by saw blade 31 after cutting groove 11 falls to host cavity, the centrifugal force that can produce along with the saw blade 31 rotated and swirling eddy enter in dust-collecting box 5 through the guiding of control of dust passage 18, chip can not be fallen apart and overflow dust-collecting box 5, wherein air is discharged in air by ventilative screen pack 51; Chip is then deposited in dust-collecting box 5.So improve dust collecting effect, protect working environment.

As shown in Figure 6, handle 36 is fixedly installed in secure shroud 34, and is symmetrical set relative to the saw blade plane of saw blade 31.Because saw blade 31 has certain thickness, therefore idealized for saw blade 31 think that its thickness is minimum time, namely the plane at saw blade 31 place is saw blade plane.This handle 36 is provided with the grip part 361 gripped for operator.

In the present embodiment, this handle 36 is roughly in D shape.

In carrying position, this handle 36 can be used as carrying handle.Due in this position, as shown in Figure 8 and Figure 9, at least part of grip part 361 is lower than saw blade axis axis 32.So, operator makes the bottom surface 19 of force direction and workbench 1 almost parallel, and the bottom surface 19 of workbench 1 can be made closer to operator, and operator can carry this cutting machine in the mode being similar to suitcase.Thus realize easily, easily carrying.

In the second preferred embodiment shown in Figure 11, identical parts use the label identical with Fig. 1 to Figure 10.

As shown in figure 11, in an embodiment, cutting machine also comprises and is arranged on the first locating piece 44a on workbench 1 and the second locating piece 45a.Wherein the first locating piece 44a and the second locating piece 45a is dismountable is arranged on workbench 1, can see accompanying drawing, and in figure, dotted line represents that the first locating piece 44a is arranged on the state on workbench 1; Solid line represents that the first locating piece 44a separates the state of workbench 1.

And the first locating piece 44a and the second locating piece 45a has a variety of relative to the locking mode with workbench 1, there is screw lock structure, or latch fixed form etc.

Certainly, also can one of them be arranged on workbench 1 by the first locating piece 44a and the second locating piece 45a, so, can realize equally cutting sth. askew.

First locating piece 44a has for the first adjacent surface 41a of in the vertical direction against workpiece, second locating piece 45a has for the second adjacent surface 42a of in the vertical direction against workpiece, wherein the first adjacent surface 41a (as shown in phantom in FIG.) and the second adjacent surface 42a defines certain degree, and this certain degree is 90 degree in the present embodiment.So, the first certain degree β 1 that the center line 111 of the first adjacent surface 41a and cutting groove 11 is formed is 45 degree, thus can realize cutting sth. askew of 45 degree, a left side; The second certain degree β 1 ' that the center line 111 of the second adjacent surface 42a and cutting groove 11 is formed also is 45 degree, thus can realize cutting sth. askew of 45 degree, the right side.Certainly, it is arbitrarily angled that this first certain degree β 1 and the second certain degree β 1 ' also can select between 0 degree to 90 degree as required, but should be noted that the certain degree preferably making the first adjacent surface 41a and the second adjacent surface 42a be formed is greater than 90 degree.

First locating piece 44a and the second locating piece 45a all has smooth upper surface, and this upper surface defines the first supporting surface 12a that can support workpiece in the horizontal direction.

Workbench 1 is provided with the second supporting surface 43a supporting workpiece in the horizontal direction.And abutment face 14a is extended to form vertically upward by the second supporting surface 43a.Wherein the first supporting surface 12a and abutment face 14a defines the first supporting zone, for cutting the workpiece needing 90 degree of cuttings.

Second supporting surface 43a and second, second adjacent surface 41a, 42a define the second supporting zone, need left and right workpiece of cutting sth. askew for cutting.

So, during cutting, only workpiece need be positioned over the first or second supporting zone, just can realize 90 degree of cuttings or left and rightly to cut sth. askew.And without the need to rotary table, also without the need to rotating saw again, thus significantly simplify the overall structure of cutting machine, reduce cost of manufacture, and operation is easily, conveniently.

Certainly, first locating piece 44a and the second locating piece 45a also can pivotally be arranged on workbench 1, so when the first locating piece 44a or the second locating piece 45a rotates, just can regulate the angle that the first adjacent surface 41a or the second adjacent surface 42a and center line 111 are formed, for the mis-cut angle of convenient cutting different angles.

In the 3rd preferred embodiment shown in Figure 12, identical parts use the label identical with Fig. 1 to Figure 10.

As shown in figure 12, the 3rd preferred embodiment of the present invention and the first preferred embodiment are distinguished and are: the first certain degree β 2 that the center line 111 of the first adjacent surface 41b and cutting groove 11 is formed and the second certain degree β 2 ' between the second adjacent surface 42b and the center line 111 of cutting groove 11 is unequal.Wherein the first certain degree β 2 is 45 degree, thus can realize cutting sth. askew of 45 degree, a left side; Second certain degree β 2 ' is 60 degree, thus can realize cutting sth. askew of 60 degree, the right side.

With the first embodiment, the first supporting zone comprises the first supporting surface 12b and abutment face 14b, for cutting the workpiece needing 90 degree of cuttings.

Second supporting zone comprises the second supporting surface 43b and second, second adjacent surface 41b, 42b, needs left and right workpiece of cutting sth. askew for cutting.

So, during cutting, only workpiece need be positioned over the first or second supporting zone, just can realize 90 degree of cuttings or left and rightly to cut sth. askew, but note the angular alignment cutting groove 11 that need be cut by workpiece when cutting.So without the need to rotary table, also without the need to rotating saw again, thus significantly simplify the overall structure of cutting machine, reducing cost of manufacture, and operation easily, conveniently.

Claims (12)

1. a cutting machine, comprising:

Workbench, is provided with cutting groove, and described cutting groove has center line;

Saw, be rotatably connected on described workbench by pivot, wherein said saw comprise be positioned at motor above workbench, by the saw blade of motor rotary actuation and the secure shroud of at least covered section saw blade, described saw blade partially passes through described cutting groove;

First supporting zone, described first supporting zone comprises the first supporting surface that setting supports workpiece on the table in the horizontal direction and the abutment face arranged perpendicular to described first supporting surface, and wherein said abutment face and described center line define 90 degree of angles;

It is characterized in that: described cutting machine is also provided with the second supporting zone, described second supporting zone comprises the second supporting surface that setting supports workpiece on the table in the horizontal direction and the first and second adjacent surfaces arranged perpendicular to described second supporting surface, first, second adjacent surface wherein said and described center line form first, second certain degree being less than 90 degree, and described second supporting surface is parallel with described first supporting surface and lower than described first supporting surface.

2. cutting machine according to claim 1, is characterized in that: first, second supporting surface described is directly formed on described workbench; First, second adjacent surface described upwards extends perpendicularly to described first supporting surface by described second supporting surface respectively.

3. cutting machine according to claim 1, is characterized in that: described second supporting surface is directly formed on described workbench; Described cutting machine also comprises first, second locating piece be arranged on described workbench, wherein said first, second adjacent surface is directly formed at first respectively, the second locating piece, and described first supporting surface is directly formed at the upper surface of first, second locating piece described.

4. cutting machine according to claim 1, is characterized in that: described workbench is provided with the baffle plate that two lay respectively at described cutting groove both sides, and described baffle plate is used for saw blade described in covering part.

5. cutting machine according to claim 4, is characterized in that: form a control of dust passage between described two baffle plates, and described saw blade is through described control of dust passage.

6. cutting machine according to claim 5, it is characterized in that: between described secure shroud and described workbench, be provided with hollow dust-collecting box in the position closing on described pivot, described dust-collecting box has the entrance collecting dust, and described entrance is connected with described control of dust passage.

7. cutting machine according to claim 6, is characterized in that: described dust-collecting box is provided with filter.

8. cutting machine according to claim 6, is characterized in that: be provided with host cavity in the below of described cutting groove, and at least part of described saw blade is contained in described host cavity.

9. cutting machine according to claim 8, is characterized in that: described host cavity is formed by the cover body be fixedly installed on below described workbench.

10. cutting machine according to claim 8, is characterized in that: described host cavity is connected with described control of dust passage, and the chip produced during the cutting of described saw blade is through described host cavity, described control of dust passage and draining in described dust-collecting box.

11. cutting machines according to claim 1, is characterized in that: described saw blade has saw blade plane, and described secure shroud is provided with handle, and described handle is arranged relative to described saw blade plane symmetry.

12. cutting machines according to claim 11, is characterized in that: described saw can be movable between sawing position and carrying position, and in described sawing position, described saw is around described pivot pivotable; In described carrying position, described saw is fixed relative to described workbench, and described saw blade is through described cutting groove.