To be that design is a kind of have the tiltable workbench and to the Curve sawing machine of selected angle position backstop to the purpose of this utility model, can make workbench with respect to the inclination of axially making various angles of saw blade with sawing workpieces, and the selected operation of angle fast, conveniently, and workbench is had block, positioning action.
Of the present utility model have the tiltable workbench and to the Curve sawing machine of selected angle position backstop, comprise framework, is supported on the saw blade of the axial elongation on the framework, pivotally is installed on the framework and in abutting connection with the working face of saw blade, it is characterized in that:
Also include angle adjustment member and block member, described angle adjustment member tipping is between working face and framework, the angle adjustment member is provided with the stop surface that angle intervals is arranged more than each other, described block member is arranged on the framework and abuts against angle adjustment member place, and the block member can engage with arbitrary stop surface.
The stop surface of described angle adjustment member is an arc-shaped notch.
Described angle adjustment member is provided with curved edge, and described stop surface is arranged on the curved edge.
Also include the moving partially member that forces the block member to engage with the stop surface of angle adjustment member, moving partially member is connected with the block member.
Described moving partially member is a helical spring.
Described block member is provided with the curved surfaces with described angle adjustment member engages, and this curved surfaces cooperates with described stop surface.
The stop surface of described angle adjustment member is a concave surface, and the curved surfaces of described block member is a convex surface.
Described working face both sides are the center from the 0 degree upper and lower inclination in plane according to pivot, comprise 15 degree, 30 degree, 45 degree.
Also include graduated scale and indicate the calibration index of working face angle position on graduated scale, described graduated scale is arranged on the described angle adjustment member, and described calibration index is in abutting connection with being arranged on the graduated scale place.
Also include the adjustment handle of locking, location described angle adjustment member and workbench, connect and be located between described angle adjustment member and described framework, and can with the angle adjustment member engages.
Further specify technology of the present utility model below in conjunction with embodiment and accompanying drawing.
Referring to Fig. 1, Fig. 2, Curve sawing machine 10 saw frame 12 is arranged, saw blade 14 is supported on and is used for sawing workpieces W (shown in Fig. 1 dotted line) on this framework, and workbench 16 is provided with a roughly smooth working face 18 and is used for supporting workpiece, and workbench 16 pivotally is installed on the framework.The both sides of this workbench and working face are respectively to the left and right side horizontal expansion of framework.
As shown in Figure 3, the and arranged on left and right sides of workbench roughly is as the criterion with the 0 degree plane that saw blade 14 axially keeps vertical with one, upper and lower two directions towards this plane tilt, each side of workbench 16 tilts in the angle of declination section of about 45 degree, makes workbench and workpiece be oriented in an obliquity with respect to saw blade towards some angles.
Among Fig. 1, framework 12 comprises first frame section 20 and utilizes some bolts 24 to be set firmly second frame section 22 of first frame section, and forms the framework sub-assembly of inner hollow, other assemblies of confession installation curve saw 10.The framework sub-assembly is provided with 26, one of lower supporting rods and is positioned at the lower supporting rod top and separates the upper supporting column 28 that extends with keeping parallelism with lower supporting rod, with a back prop 30 that links to each other upper and lower intercolumniation extension.The base 32 of framework is installed in the bottom side of lower supporting rod 26, so that the angle saw is supported on the suitable supporting surface.
As shown in Figure 2, workbench 16 is installed on the preceding pivot block 36 set on first frame section 20 and by second bolt 38 by first bolt 34 in the mode that can pivot and is installed on the back pivot block 40 set on second frame section 22.Workbench 16 comprises a back mounting flange 41 that can supply ccontaining second bolt 38, be provided with the sub-assembly 42 of a helical spring and pad in second bolt 38 and 40 of the mounting flanges in back, be used to adjust the frictional force that bolt applies workbench, and adjust the frictional resistance that workbench is produced pivoting action.
Referring to Fig. 3, forward and backward pivot block 36 and 40 forms pivot A, and workbench 16 and working face 18 can be as the criterion to tilt towards upper and lower two directions on this plane around this pivot and with 0 degree plane.
As shown in Figure 4, motor 44 is installed on the lower supporting rod 26 and base 32 of framework by bolt 46, this motor 44 comprises a rotation driven shaft 48 (pivot or motor drive shaft B), noise when turning round and minimizing vibration for lowering, motor drive shaft B is suitable for is in a parallel set with the pivot A of workbench 16 and lines up array, and motor drive shaft B, pivot A and saw blade 14 is axially disposed within on the roughly the same plane in addition.
Curve sawing machine 10 includes the position local device with respect to saw blade 14 (with 0 degree plane) locking working face 18, as shown in Figure 3, Figure 4.Angle adjustment member 50 utilizes the bolt 51 (Fig. 4) and the bottom side of workbench 16 to join, and utilizes the front of adjusting handle or button 52 and framework 12 to join in addition.Angle adjustment member 50 is provided with an arc-shaped slot 54, for the end of thread of ccontaining adjustment button 52.As shown in Figure 4, adjusting button 52 is hinged with on the stud thing 56 being located at lower supporting rod 26 fronts in the screw thread mode of screwing, and between adjustment button and angle adjustment member, be provided with a pad 58 in addition, just lockable angle adjustment member of button 52 and pad and angle adjustment member engages is adjusted in rotation, thus the angle position of positioning table.Be rotated into disengaging angle adjustment member if will adjust button, can discharge and the angle position of adjustable full employment platform.
Angle saw 10 also includes with respect to saw blade 14 (with 0 degree plane), can live the device of working face 18 at some selected angle positions block, is used for the pivoting action of cooperating face, thereby is easy to working face is arranged on needed angle position.As shown in Figure 2, framework 12 is provided with block member 60 in angle adjustment member 50 belows, also is provided with to force (or impelling) this block member to move device with the angle adjustment member engages partially, so that firmly adjust member and working face at selected angle position block.This bias gear comprises a helical spring 62, and this helical spring is positioned at 64 of block member 60 and framework lower supporting rod 26 positive set support lugns, is used to force the block member to move partially with the lower edge of angle adjustment member and engages.During enforcement, those skilled in the art can adopt the multiple moving partially device that engages or contact of block member that forces.
As shown in Figure 3, angle adjustment member 50 is provided with some stop surface 66, each stop surface is in the lower edge of the angle adjustment member certain angle that separates each other, and respectively define a correspondence position of working face with respect to saw blade 14 (with 0 degree plane), in the present embodiment, each stop surface 66 is made of a recess, and the arc of each recess is roughly consistent with the free-ended arc of block member 60 (see figure 2)s, so that ccontaining block member.The free end of block member 60 is preferably hemispherical or convex, and 66 of each recesses are preferably concave shape, for ccontaining block member.
When workbench 18 is as the criterion when tilting up or down with 0 degree plane, the lower edge of adjusting member 50 will slide with block member 60 and engage, and is engaged with each stop surface 66 by this block member gradually.When the block member is subjected to helical spring compressing and when engaging with the stop surface of each recess, can send " snap " sound notifying operation personnel workbench and be in this angle position, operating personnel can continue to allow workbench tilt then, engage with desired stop surface up to the block member, or till when workbench otherwise is in required angle.
Because block member 60 is to utilize frictional force to engage with each recess 66, adjust moving of member with block or inhibition, and workbench can be located at selected angle position, but the block member can not reciprocal interlock with recess, the pivoting action that other factors hamper workbench can not be arranged when engaging with recess, so the shape of block member and recess is good with circle.After waiting to configure stage angular positions, promptly rotatable adjustment button 52 makes with pad 58 and adjusts member 50 and engages, with workbench locking location.
In the present embodiment, recess angle spaced relative to each other is about 15 degree, and is as the criterion with 0 degree plane, predeterminable go out 0 degree and respectively towards a left side, towards 15,30, the 45 degree equal angles positions on the right side, also can increase or reduce recess in case of necessity, to change selected angle position.Can adopt multiple structure that workbench is located at selected angle position during enforcement.As, stop surface 66 can be used some raised surface, block member 60 also can change the surface of indentations into, with ccontaining each convex surfaces, make angle adjustment member and workbench by block in selected angle position.
Curve sawing machine 10 also includes the device of indication working face with respect to 0 degree plane (or saw blade axis to) angle, and as shown in Figure 3, the front of angle adjustment member 50 is provided with the scale of band numerical value and scale, can confirm the angle of workbench with respect to 0 degree plane with reference to scale.Pointer 68 is attached on the flange 64 by bolt 70, and this pointer is positioned at the top of adjusting member 50 lower edges and in abutting connection with the scale of graduated scale, so that indicate the angle of workbench on graduated scale.Shown in pointer 68 and graduated scale, set appropriate stage angular positions after, make it and the angle adjustment member engages with regard to rotatable adjustment button 52, will adjust member and workbench locking location in view of the above.
As shown in Figure 3, the left and right side of workbench 18 respectively can be downward-sloping from 0 degree plane in the tilt angled down section C of about 45 degree, and can be inclined upwardly from 0 degree in the updip angle section D of about 45 degree.Therefore workbench 18 can be in the scope of angle section D and C with 0 degree plane be as the criterion up, towards having a down dip and being fixed on an angle position.This angle adjustment scope can increase or dwindle as required.
In another patent application case of the applicant, also be provided with in the lower supporting rod 26 of the framework 12 below saw 10 workbench 16 and store the chamber (not shown).As shown in Fig. 1, Fig. 2, top cover 72 stores the chamber can the pivot mode being installed on the base 32 of framework for unlatching, closure.Some mounting flanges etc. can be established in top cover 72 inboards, for putting instruments such as standby saw blade and spanner.
Curve sawing machine 10 also is provided with the sub-assembly that compresses backplate and scale of depth 74 that is combined as a whole, and indicates thickness of workpiece with scale of depth when compressing the backplate bottom surface and contact with surface of the work.Framework upper supporting column 28 has been installed a carriage 80 with the adjoiner of saw blade, is used to carry the support bar 76 of scale of depth 78, and support bar 76 can be fixed in the carriage with sliding type.The lower end of support bar sets firmly and compresses backplate 82, and screw thread button 84 passes carriage 80 and stationary positioned support bar and compress backplate.
Workpiece W places on the working face 18 of workbench, and rotation screw thread button 84 and discharge support bar 76 allows compress backplate and descend and the contact workpiece end face, when both contact, the calibration edge 54 of carriage 80 the scale numerical value on the right scale of depth be exactly the thickness of workpiece.Rotate screw thread button 84 then, make it to engage and the fixed support bar, also fixed simultaneously and compressed backplate, just can do the sawing operation with support bar 76.
Among Fig. 1, the front end of framework upper supporting column 28 is equipped with console 86, and console is provided with the control knob and the switch of running of control motor 44 and rotating speed, also is equiped with lamp 88 with bent pole 90 in the front end of upper supporting column 28, is used for throwing light on.
During enforcement, also can do multiple variation, only be as the criterion as workbench and do upwards (downwards) side direction inclination with 0 degree plane; Angle adjustment member and block member also can take different shapes and make up.
Curve sawing machine of the present utility model, when the relative saw blade of its workbench tilted, the block member engaged with each stop surface earlier, again with angle adjustment member and workbench block in each selected angle.When workbench is set at a selected angle position, operating personnel needn't be by reading scale or adjusting workbench with reference to other scales, stopper element can engage each stop surface automatically, from face with the workbench block in each selected angle position, at this moment, the block member can send " snap " sound and come the notifying operation personnel, and needn't select the angle position with ocular estimate, and this is of the present utility model one big advantage.Another big advantage of the present utility model is: as long as when workbench tilted to angle position near preliminary election, operating personnel just can promptly roughly set workbench, and operating personnel can finely tune workbench with reference to scale then, finish accurate setting.
The utility model is attached to (or adjoiner) on the angle adjustment part with graduated scale, with scale reflection working face with respect to 0 degree plane or saw blade axis to the angle position, with the set calibration index of graduated scale adjoiner align with graduated scale the place scale indicate working face with respect to saw blade axis to or 0 the degree plane angle numerical value, a workbench left side among the embodiment, each can spend the plane up from 0 the right side, following direction tilts, and the selected angle position of stop surface is preferably 0 degree and respectively tilt 15 towards the workbench both sides respectively with respect to 0 degree plane, 30,45 degree are debated knowledge easily, operating effect is clear and definite.In addition, because block member inner spring (or similarly moving partially member) forces its lower edge with the angle adjustment member that forms stopping surface to engage, each stop surface should be formed by a plurality of recesses on the angle adjustment member edge, match with the arc of block member by the arc that each recess defined, form the block effect.Have simple in structure, easy system, operate practical characteristics such as quick, accurate.