CN204053106U - A kind of rod-pulling type bias cutter - Google Patents
A kind of rod-pulling type bias cutter Download PDFInfo
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- CN204053106U CN204053106U CN201420442725.1U CN201420442725U CN204053106U CN 204053106 U CN204053106 U CN 204053106U CN 201420442725 U CN201420442725 U CN 201420442725U CN 204053106 U CN204053106 U CN 204053106U
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- fixedly installed
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- slide bar
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Abstract
The utility model discloses a kind of rod-pulling type bias cutter, its main points are: comprise base, workbench, by, rocking arm, slide bar assembly, fuselage, drive unit, control device and saw blade.The turntable of workbench rotates and is arranged on base.Turntable is along front and back to being provided with the groove of the notch.Prop up by being fixedly installed on the rear portion, upside of support portion of base.Rocker arm assembly comprises rocking arm.Rocking arm rotates and is arranged on the rear end of turntable, and can rotate both sides to the left and right.Fuselage is arranged on rocking arm by slide bar assembly.Drive unit is DC brushless motor, and stator is fixedly installed on fuselage.The axis of stator is along left and right to being horizontally disposed with.Brushless motor outer rotor assembly is arranged on fuselage through being rotated by corresponding bearing assembly after stator from right to left by its driving shaft, and the appropriate section of stator is arranged in motor casing.Saw blade is detachably fixedly installed on the driving shaft of brushless motor outer rotor assembly of drive unit.Drive unit and control device electrical connection.
Description
Technical field
The utility model relates to cutting machine field, is specifically related to the rod-pulling type bias cutter that a kind of saw blade can move along the radial.
Background technology
Bias cutter as a kind of not only can cutting metal material but also can the cutting tool of cutting non-metal material, be widely used in industry-by-industry.Bias cutter is easy to operate, and cutting efficiency is high.During cutting operation, hand-held operation handle presses down and can carry out rupturing operation; When workpiece to be cut is wider, can saw blade generation be moved radially pull operation handle, thus cut off workpiece; When needs cut along certain angle, make saw blade tilt to produce corresponding angle by adjusting rock arm, thus realize the cutting of certain angle.What the drive motors of common bias cutter adopted is alternating current generator, alternating current generator volume is comparatively large, and the axis of alternating current generator and saw blade are arranged in mutual vertical, makes saw blade like this when to the lopsidedness at alternating current generator place, magnitude of inclination is affected, and range of tilt angles is less.Also the magnitude of inclination in order to improve both sides had, adopts belt transmissioning mode, and this structural volume is comparatively large, and be not easy to transport, especially during products export, cost of transportation increases greatly.The direct current external rotor electric machine of the employing small volume also had drives.Common External rotor electric machine rotor part generally includes casing, permanent magnet and magnetic guiding cycle, and wherein permanent magnet is again because magnetizing direction is divided into N pole and S pole, hereinafter referred to as N permanent magnet and S permanent magnet.Casing is aluminium diecasting normally, because driving shaft needs to coordinate by casing the requirement reaching outer rotor with magnetic guiding cycle, so magnetic guiding cycle must be fixed in casing.Magnetic guiding cycle is silicon steel sheet stamping normally, the groove of locating and machining permanent magnet inside magnetic guiding cycle, and permanent magnet is fixed in the groove on magnetic guiding cycle, N permanent magnet and S permanent magnet alternate intervals spread configuration.The motor magnetic guiding cycle of this structure is generally single part, causes production cost greatly to increase; Secondly, magnetic guiding cycle has the groove installing permanent magnet, technique is loaded down with trivial details and difficulty of processing large, further increases production cost; Finally, when magnetic guiding cycle is fixedly installed in casing, normally along magnetic guiding cycle at equal intervals angle be provided with the counterbore that 3 to 6 run through its body in its axial direction, then by the corresponding bolt screwed on casing, magnetic guiding cycle is fixed on casing, this mounting means not only installs trouble but also higher to requirement on machining accuracy, otherwise magnetic conductor cannot put into casing.Chinese patent literature CN202405895U(number of patent application 201120567379.6) disclose " a kind of outer-rotor permanent magnet motor rotor structure ", wherein describe: " casing opens the first groove on the interior surfaces of revolution; the retainer of irony arc shape is embedded in casing with segmented mode; hop count can determine according to the number of permanent magnet and casing internal diameter two factor; the bottom interior surface of retainer 5 is provided with boss; be provided with S permanent magnet or N permanent magnet in the second groove formed between adjacent lands, and is contrary at the magnetic pole of the permanent magnet of same boss both sides.", this shows, retainer is installed comparatively complicated, produces installation effectiveness low.First, multistage retainer is set in same first groove, trouble is installed and high to retainer requirement on machining accuracy, not only will guarantee that linking between each retainer accurately but also will guarantee that each retainer can also just embed in the first groove after being connected; Secondly, also will ensure the axially mutual correspondence of the retainer not in same first groove at casing, otherwise permanent magnet can be caused not install, installation effectiveness reduces greatly; Finally, each retainer is embedded in casing, and casing opens the first groove on the interior surfaces of revolution, and processing trouble, casing thickness needs corresponding increase simultaneously, causes the corresponding increase of production cost.
Utility model content
It is simple that the purpose of this utility model is to provide a kind of structure, all larger and rod-pulling type bias cutter of small volume of Double Directional Cutting angle of regulation range.
The basic technical scheme realizing the utility model object is: a kind of rod-pulling type bias cutter, and its design feature is: comprise base, workbench, by, rocking arm, slide bar assembly, fuselage, drive unit, control device and saw blade.Base is integrated part.The base left and right sides is provided with support portion protruding upward.In the middle part of base, front side is provided with bevel protractor.Workbench comprises turntable, backplate and workbench adjusting part.The turntable of workbench rotates and is arranged on base, between the support portion of the base left and right sides and the upper surface of turntable and the upper surface of support portion in same level.Turntable is along front and back to being provided with the groove of the notch.Backplate has 2 pieces, and 2 pieces of backplates are separately positioned on the left and right sides, groove of the notch top, and below the upper surface being positioned at turntable.Along front and back to being provided with workbench adjusting part on workbench, workbench adjusting part makes turntable rotate and turntable is locked in base for pulling.Prop up by being fixedly installed on the rear portion, upside of support portion of base, a forward side is provided with rule.Rocker arm assembly comprises rocking arm, rocking arm locking device, slide bar locking device and handle.Rocking arm rotates and is arranged on the rear end of turntable, and can rotate both sides to the left and right.Rocking arm locking device is arranged on rocking arm, is locked at an angle on turntable by rocking arm by rocking arm locking device.Slide bar locking device is arranged on the upside of rocking arm for being locked the slide bar of slide bar assembly at rocking arm.Handle is fixedly installed on the upside of rocking arm.Slide bar assembly comprises slide bar and body connecting base.Slide bar has 2, and 2 slide bars are all slidably arranged on the rocking arm of rocker arm assembly, and arranged in parallel.The rear portion of 2 slide bars is fixedly connected with by corresponding connector.Body connecting base is fixedly installed on the front end of 2 slide bars.Fuselage comprises motor fixing seat, left outside cover, right outside cover, mobile cover and handle.Motor fixing seat is rotated and is arranged on the body connecting base of slide bar assembly.Left outside cover is fixedly installed on motor fixing seat from left side.The left back of motor fixing seat is provided with dust gathering sill.Handle is fixedly installed on the right side of motor fixing seat.Right outside cover is fixedly installed on motor fixing seat from right side, and the appropriate section of handle is covered.Dust collection mouth is formed between the rear portion appropriate section of left outside cover and the rear portion appropriate section of right outside cover.The rear portion appropriate section of dust gathering sill encases by dust collection mouth.Mobile cover is fixedly installed on left outside cover.
Drive unit is DC brushless motor, and DC brushless motor comprises brushless motor outer rotor assembly and stator.Brushless motor outer rotor assembly comprises motor casing, retainer, permanent magnet and driving shaft.
Motor casing is the integral piece that iron or mild steel are made.Motor casing is the housing of opening upwards, and the wall thickness of motor casing is 2 millimeters to 6 millimeters.Driving shaft is coaxially fixedly installed in motor casing, and protrudes upward outside motor casing.
Retainer is integrated through injection molding part.Retainer comprises location division.Location division entirety is in tubular, and its wall thickness is the thickness 1/3 to 1 of permanent magnet.The external diameter of location division is corresponding with the internal diameter of motor casing.Location division along its circumference at equal intervals angle be provided with the quantity locating slot identical with permanent magnet quantity, its shape is corresponding with permanent magnet.Retainer bonding is fixedly installed in motor casing.Permanent magnet comprises N permanent magnet and S permanent magnet, and N permanent magnet and S permanent magnet are crisscross arranged successively in each locating slot of retainer, and are fixedly installed on motor casing.Stator is fixedly installed in the motor fixing seat of fuselage.The axis of stator is along left and right to being horizontally disposed with.Brushless motor outer rotor assembly is arranged in the motor fixing seat of fuselage through being rotated by corresponding bearing assembly after stator from right to left by its driving shaft, and the appropriate section of stator is arranged in motor casing.Saw blade is detachably fixedly installed on the driving shaft of brushless motor outer rotor assembly of drive unit, and corresponding site is between the motor fixing seat and left outside cover of fuselage.Control device is fixedly installed on the right outside cover of fuselage, is positioned at the front upper place of drive unit.Drive unit and control device electrical connection.Further technical scheme based on above-mentioned basic technical scheme is: the motor casing bottom center of brushless motor outer rotor assembly is provided with and runs through its upper and lower axis hole, and axis hole is that punching stretch forms, and the degree of depth of the axis of axis hole is 4 millimeters to 10 millimeters.
Technical scheme based on technique scheme is: be also provided with bottom the motor casing of brushless motor outer rotor assembly and run through its one group of upper and lower louvre.Louvre is arranged around axis hole.
Technical scheme based on above-mentioned appropriate technical solution is: the retainer of brushless motor outer rotor assembly also comprises upper limit portion.The internal diameter in upper limit portion is corresponding with the internal diameter of motor casing, and the external diameter in upper limit portion is less than the external diameter of motor casing.Upper limit portion is arranged in the upper periphery of location division.The equal opening upwards of each locating slot of location division and run through its barrel along location division radial direction.
Technical scheme based on above-mentioned appropriate technical solution is: the driving shaft of brushless motor outer rotor assembly and motor casing interference fit, and driving shaft is by the axis hole of its lower end through motor casing.
Technical scheme based on technique scheme is: brushless motor outer rotor assembly also comprises fan blade, and fan blade is integrated through injection molding part, and fan blade is fixedly installed on the lower end of driving shaft, is positioned at the below of motor casing, and its upper surface contacts with the lower surface of motor casing.
Technical scheme based on above-mentioned appropriate technical solution is: also comprise hold down gag.Hold down gag has 2, and 2 hold down gags are fixedly installed on a two ends, left and right leaned on respectively, and lay respectively on corresponding support portion, the base left and right sides.
Technical scheme based on above-mentioned appropriate technical solution is: also comprise hold down gag.Hold down gag has 2, and 2 hold down gags are fixedly installed on a two ends, left and right leaned on respectively, and lay respectively on corresponding support portion, the base left and right sides.
Technical scheme based on above-mentioned appropriate technical solution is: also comprise fuselage positioner and depth adjustment.Fuselage positioner comprises adjusting handle and locating shaft.Adjusting handle is fixedly installed on the right-hand member of locating shaft, and locating shaft is screw rod, and locating shaft is arranged on along left and right to rotation in the right upper portion of the body connecting base of slide bar assembly.Depth adjustment comprises adjusting screw(rod) and limited post.Adjusting screw(rod) is vertically arranged on to rotation on the rear portion, right side of the motor fixing seat of fuselage.The upper end of adjusting screw(rod) is provided with corresponding handwheel.Limited post is fixedly installed on the lower front of the body connecting base of slide bar assembly.
Technical scheme based on above-mentioned appropriate technical solution is: also comprise fuselage positioner and depth adjustment.Fuselage positioner comprises adjusting handle and locating shaft.Adjusting handle is fixedly installed on the right-hand member of locating shaft, and locating shaft is screw rod, and locating shaft is arranged on along left and right to rotation in the right upper portion of the body connecting base of slide bar assembly.Depth adjustment comprises adjusting screw(rod) and limited post.Adjusting screw(rod) is vertically arranged on to rotation on the rear portion, right side of the motor fixing seat of fuselage.The upper end of adjusting screw(rod) is provided with corresponding handwheel.Limited post is fixedly installed on the lower front of the body connecting base of slide bar assembly.
Technical scheme based on above-mentioned appropriate technical solution is: also comprise battery.Battery-disassembled is fixed on the right outside cover of fuselage, is positioned at the back upper place of drive unit.Drive unit, control device and battery are electrically connected each other accordingly.
Technical scheme based on above-mentioned appropriate technical solution is: also comprise dust cover.Dust cover is fixedly installed on the right outside cover of fuselage from right, and the appropriate section of drive unit, control device and battery is covered.
The utility model has positive effect: (1) rod-pulling type of the present utility model bias cutter structure is simple, adopt DC brushless outer rotor motor, small volume makes Double Directional Cutting angle of regulation range all comparatively large, and height when substantially reducing carrying, is conducive to long-distance transport and reduces costs.After the corresponding battery of configuration, be conducive to using in different occasion, portability strengthens, and the scope of application is wider.
(2) rod-pulling type bias cutter of the present utility model adopts the DC brushless outer rotor motor of small volume, and the saw blade radial cuts degree of depth is improved greatly, and thus can be used for the cutting of thicker workpiece, range of application improves greatly.
(3) rod-pulling type bias cutter of the present utility model is provided with slide bar assembly and slide bar locking device, thus both can complete when front reverse the sagittal cut-out of wider workpiece, also can be used for the direct cut-out to narrower workpiece upward and downward when locking.
(4) rod-pulling type bias cutter of the present utility model is provided with bevel protractor and rule, substantially increases operating efficiency and quality.
(5) rod-pulling type bias cutter of the present utility model is provided with fuselage positioner, fuselage can be positioned at level when putting down, and reduces the height of rod-pulling type bias cutter, is convenient to transport.
(6) rod-pulling type bias cutter depth adjustment of the present utility model, can carry out the cutting operation requirement of different demand, can carry out rupturing operation, also can leave certain distance, not cut off.
(7) drive unit of the present utility model adopts DC brushless motor, its brushless motor outer rotor assembly substitutes original aluminum motor casing and magnetic guiding cycle by present parts steel motor casing, directly permanent magnet is fixedly installed on steel motor casing during use, motor casing adopts mild steel to make, steel motor casing has the function of magnetic guiding cycle concurrently, its motor performance still meets the requirements, and has outstanding substantive distinguishing features and significant progress, the cost of motor is declined to a great extent.
(8) the brushless motor outer rotor assembly retainer of DC brushless motor of the present utility model is integrated through injection molding part, and production cost is low, easy to process.Retainer is also very convenient when being installed in motor casing, be conducive to enhancing productivity and motor gas-gap by the impact of retainer.Retainer is provided with upper limit portion, can accurately be positioned in motor casing by retainer, installs accurate quick.
(9) the brushless motor outer rotor assembly of DC brushless motor of the present utility model is provided with retainer, each locating slot opening upwards of retainer, make permanent magnet quick for installation, greatly improve production and processing efficiency.Each locating slot of retainer is corresponding with the shape of permanent magnet, and make permanent magnet accurate positioning, permanent magnet is uniformly distributed in motor casing.
(10) the motor casing axis hole of the brushless motor outer rotor assembly of DC brushless motor of the present utility model is that punching stretch forms, what thus the thickness of motor casing can do is thinner, the degree of depth of the axis of motor casing axis hole still keeps darker, production cost can not only be reduced further, and be conducive to driving shaft interference fit and be fixed on motor casing, the alignment of driving shaft and motor casing is better, reliability is higher.
(11) motor casing of the brushless motor outer rotor assembly of DC brushless motor of the present utility model is provided with louvre, and the heat being conducive to motor casing inside sheds, and improves stability and the reliability of motor use.
(12) the brushless motor outer rotor assembly of DC brushless motor of the present utility model is also provided with fan blade, the air-flow of motor casing inside is conducive to be discharged fast outside motor casing during work, reduce the temperature of motor casing inside, improve stability and the reliability of motor use further.
Accompanying drawing explanation
Fig. 1 is the structural representation of rod-pulling type bias cutter of the present utility model;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Schematic diagram when Fig. 4 is the right back top view from Fig. 1;
Schematic diagram when Fig. 5 is the left anterior-superior part observation from Fig. 1;
Fig. 6 removes the schematic diagram after dust cover when the front upper right of Fig. 1 is observed;
Fig. 7 removes the schematic diagram after dust cover and mobile cover when the front upper right of Fig. 1 is observed;
Fig. 8 removes the schematic diagram after left outside cover, right outside cover, mobile cover, handle, saw blade and dust cover when the front upper right of Fig. 1 is observed;
Fig. 9 removes the schematic diagram after left outside cover, right outside cover, mobile cover, handle, saw blade and dust cover when the left anterior-superior part of Fig. 1 is observed;
Figure 10 removes the schematic diagram after dust cover, mobile cover and brushless motor outer rotor assembly when the front upper right of Fig. 1 is observed;
Figure 11 is the structural representation of the brushless motor outer rotor assembly of DC brushless motor of the present utility model;
Figure 12 is schematic diagram when observing downwards from the top of Figure 11;
Figure 13 is the A-A sectional view in Figure 11;
Figure 14 is the top view of Figure 11;
Figure 15 is the schematic diagram of motor casing when observing downwards from the top of Figure 11;
Figure 16 is the schematic diagram of motor casing when upwards observing from the below of Figure 11;
Figure 17 is the schematic diagram of the retainer in Figure 14;
Figure 18 is the schematic perspective view of Figure 17;
Figure 19 is the schematic diagram of motor casing and retainer when observing downwards from the top of Figure 11;
Figure 20 is the schematic diagram of motor casing, retainer and permanent magnet when observing downwards from the top of Figure 11;
Figure 21 is the schematic diagram of fan blade when observing downwards from the top of Figure 11;
Figure 22 is the schematic diagram of fan blade when upwards observing from the below of Figure 11.
Mark in above-mentioned accompanying drawing is as follows:
Base 1, support portion 1-1, workbench 2, turntable 2-1, backplate 2-2, workbench adjusting part 2-3, prop up by 3, hold down gag 4, rocker arm assembly 5, Rocker arm 5-1, rocking arm locking device 5-2, slide bar locking device 5-3, handle 5-4, slide bar assembly 6, slide bar 6-1, body connecting base 6-2, fuselage 7, motor fixing seat 7-1, dust gathering sill 7-1-1, left outside cover 7-2, right outside cover 7-3, mobile cover 7-4, handle 7-5, dust collection mouth 7-6, drive unit 8, brushless motor outer rotor assembly 8-1, motor casing 8-1-1, axis hole 8-1-11, louvre 8-1-12, retainer 8-1-2, location division 8-1-21, locating slot 8-1-21-1, upper limit portion 8-1-22, permanent magnet 8-1-3, driving shaft 8-1-4, fan blade 8-1-5, stator 8-2, control device 9, battery 10, bevel protractor 11, rule 12, saw blade 13, dust cover 14, fuselage positioner 15, depth adjustment 16.
Detailed description of the invention
The description in orientation of the present utility model is carried out according to the orientation shown in Fig. 1, and also namely the direction up and down shown in Fig. 1 is the direction up and down of description, and a side of court of Fig. 1 institute is front, and the side deviating from Fig. 1 is rear.
(embodiment 1)
See Fig. 1 to Figure 10, rod-pulling type bias cutter of the present utility model comprise base 1, workbench 2, by 3, hold down gag 4, Rocker arm 5, slide bar assembly 6, fuselage 7, drive unit 8, control device 9, battery 10, saw blade 13, dust cover 14, fuselage positioner 15 and depth adjustment 16.
See Fig. 1 to Figure 10, base 1 is integrated part.Base 1 left and right sides is provided with support portion 1-1 protruding upward.In the middle part of base 1, front side is provided with bevel protractor 11.
See Fig. 1 to Figure 10, workbench 2 comprises turntable 2-1, backplate 2-2 and workbench adjusting part 2-3.The turntable 2-1 of workbench 2 rotates and is arranged on base 1, between the support portion 1-1 of base 1 left and right sides and the upper surface of turntable 2-1 and the upper surface of support portion 1-1 in same level.The turntable 2-1 of workbench 2 left-right rotation can regulate certain angle, can determine according to the bevel protractor on base 1 angle that workbench 2 rotates.Turntable 2-1 is along front and back to being provided with groove of the notch 2-1-1.Backplate 2-2 has 2 pieces, and 2 pieces of backplate 2-2 are separately positioned on the left and right sides, groove of the notch 2-1-1 top, and below the upper surface being positioned at turntable 2-1.Backplate 2-2 is for the protection of turntable 2-1.Along front and back to being provided with workbench adjusting part 2-3 on workbench 2, workbench adjusting part 2-3 is used for pulling makes turntable 2-1 rotate and turntable 2-1 is locked in base 1.
See Fig. 1 to Figure 10, prop up and be fixedly installed on the rear portion, upside of the support portion 1-1 of base 1 by 3, prop up and be provided with rule 12 on front side of 3.Hold down gag 4 has 2, and 2 hold down gags 4 are fixedly installed on by the two ends, left and right of 3 respectively, and lay respectively on the corresponding support portion 1-1 in base 1 left and right sides, for workpiece to be cut is fixed on base 1.
See Fig. 1 to Figure 10, rocker arm assembly 5 comprises Rocker arm 5-1, rocking arm locking device 5-2, slide bar locking device 5-3 and handle 5-4.Rocker arm 5-1 rotates and is arranged on the rear end of turntable 2-1, and can rotate both sides to the left and right.Rocking arm locking device 5-2 is arranged on Rocker arm 5-1, is locked at an angle on turntable 2-1 by Rocker arm 5-1 by rocking arm locking device 5-2.Slide bar locking device 5-3 is arranged on the upside of rocking arm for being locked the slide bar 6-1 of slide bar assembly 6 at Rocker arm 5-1.Handle 5-4 is fixedly installed on the upside of Rocker arm 5-1, uses for mobile this rod-pulling type of carrying bias cutter.The lower front side of rocker arm assembly 5 is also provided with the bevel protractor (not drawing in Figure of description) for showing its rotational angle.
See Fig. 1 to Figure 10, slide bar assembly 6 comprises slide bar 6-1 and body connecting base 6-2.Slide bar 6-1 has 2, and 2 slide bar 6-1 are all slidably arranged on the Rocker arm 5-1 of rocker arm assembly 5, and arranged in parallel.The rear portion of 2 slide bar 6-1 is fixedly connected with by corresponding connector.Body connecting base 6-2 is fixedly installed on the front end of 2 slide bar 6-1.
See Fig. 1 to Figure 10, fuselage 7 comprises motor fixing seat 7-1, left outside cover 7-2, right outside cover 7-3, mobile cover 7-4 and handle 7-5.Motor fixing seat 7-1 rotates and is arranged on the body connecting base 6-2 of slide bar assembly 6.Left outside cover 7-2 is fixedly installed on motor fixing seat 7-1 from left side.The left back of motor fixing seat 7-1 is provided with dust gathering sill 7-1-1.Handle 7-5 is fixedly installed on the right side of motor fixing seat 7-1.Right outside cover 7-3 is fixedly installed on motor fixing seat 7-1 from right side, and the appropriate section of handle 7-5 is covered.Dust collection mouth 7-6 is formed between the rear portion appropriate section of left outside cover 7-2 and the rear portion appropriate section of right outside cover 7-3.The rear portion appropriate section of dust gathering sill 7-1-1 encases by dust collection mouth 7-6.Mobile cover 7-4 is fixedly installed on left outside cover, protects corresponding saw blade not broken and carry the safety of personnel during for carrying rod-pulling type bias cutter.
See Fig. 6 to Figure 10, drive unit 8 is DC brushless motor, and DC brushless motor comprises brushless motor outer rotor assembly 8-1 and stator 8-2.
See Figure 11 to Figure 13, brushless motor outer rotor assembly comprises motor casing 8-1-1, retainer 8-1-2, permanent magnet 8-1-3, driving shaft 8-1-4 and fan blade 8-1-5.
See Figure 12, Figure 13, Figure 15 and Figure 16, motor casing 8-1-1 is the integral piece that iron or mild steel are made, and the motor casing 8-1-1 of the present embodiment adopts 20 steel to make.Motor casing 8-1-1 is the housing of opening upwards, and the wall thickness of motor casing 8-1-1 is 2 millimeters to 6 millimeters (the present embodiment is 3 millimeters).Motor casing 8-1-1 bottom center is provided with that to run through its upper and lower axis hole 8-1-11, axis hole 8-1-11 be that punching stretch forms, and the degree of depth of the axis of axis hole 8-1-11 will be 4 millimeters to 8 millimeters (the present embodiment is 6 millimeters).Be provided with bottom motor casing 8-1-1 and run through its one group of upper and lower louvre 8-1-12.Louvre 8-1-12 is arranged around axis hole 11.
See Figure 11 to Figure 14 and Figure 17 to Figure 20, retainer 8-1-2 is integrated through injection molding part.Retainer 8-1-2 comprises location division 8-1-21 and upper limit portion 8-1-22.8-1-21 entirety in location division is in tubular, and its wall thickness is the wall thickness of the location division 8-1-21 of thickness 1/3 to 1(the present embodiment of permanent magnet 8-1-3 is 1/2 of the thickness of permanent magnet 8-1-3).The external diameter of location division 8-1-21 is corresponding with the internal diameter of motor casing 8-1-1.Location division 8-1-21 along its circumference at equal intervals angle be provided with the quantity locating slot 8-1-21-1 identical with permanent magnet 8-1-3 quantity; The equal opening upwards of each locating slot 8-1-21-1 and run through its barrel along location division 8-1-21 radial direction, its shape is corresponding with permanent magnet 8-1-3.The internal diameter of upper limit portion 8-1-22 is corresponding with the internal diameter of motor casing 8-1-1, and the external diameter of upper limit portion 8-1-22 is less than the external diameter of motor casing 8-1-1.Upper limit portion 8-1-22 is arranged in the upper periphery of location division 8-1-21.Retainer 8-1-2 bonding is fixedly installed in motor casing 8-1-1, and is positioned its upper-lower position in motor casing 8-1-1 by its upper limit portion 8-1-22.
See Figure 12 to Figure 14 and Figure 20, permanent magnet 8-1-3 comprises N permanent magnet and S permanent magnet, and N permanent magnet and S permanent magnet are crisscross arranged successively in each locating slot 8-1-21-1 of retainer 8-1-2, and are bonded and fixed on motor casing 8-1-1.The upper surface of permanent magnet 8-1-3 is equal with the upper surface of motor casing 8-1-1.
See Figure 11 to Figure 14, driving shaft 8-1-4 is coaxially fixedly installed in motor casing 8-1-1, and protrudes upward outside motor casing.Driving shaft 8-1-4 and motor casing 8-1-1 interference fit, and driving shaft 8-1-4 is by the axis hole 8-1-11 of its lower end through motor casing 8-1-1.
See Figure 11 to Figure 14, Figure 21 and Figure 22, fan blade 8-1-5 is integrated through injection molding part, fan blade 8-1-5 is fixedly installed on the lower end of driving shaft 8-1-4, be positioned at the below of motor casing 8-1-1, its upper surface contacts with the lower surface of motor casing 8-1-1, the air-flow of motor casing 8-1-1 inside can be released by louvre 8-1-12 when fan blade 8-1-5 rotates.Stator 8-2 is fixedly installed on the motor fixing seat 7-1 of fuselage 7.The axis of stator 8-2 is along left and right to being horizontally disposed with.Brushless motor outer rotor assembly 8-1 is arranged on the motor fixing seat 7-1 of fuselage 7 through being rotated by corresponding bearing assembly after stator 8-2 from right to left by its driving shaft 8-1-4, and the appropriate section of stator 8-2 is arranged in motor casing 8-1-1.See Fig. 6, Fig. 7 and Figure 10, control device 9 is fixedly installed on the right outside cover 7-3 of fuselage 7, is positioned at the front upper place of drive unit 8.Battery 10 is detachably fixed on the right outside cover 7-3 of fuselage 7, is positioned at the back upper place of drive unit 8.Drive unit 8, control device 9 and battery 10 are electrically connected each other accordingly.Saw blade 13 is detachably fixedly installed on the driving shaft 8-1-4 of brushless motor outer rotor assembly 8-1 of drive unit 8, and corresponding site is between the motor fixing seat 7-1 and left outside cover 7-2 of fuselage 7.Dust cover 14 is fixedly installed on the right outside cover 7-3 of fuselage 7 from right, and the appropriate section of drive unit 8, control device 9 and battery 10 is covered.This rod-pulling type bias cutter also can adopt dc source directly to power.
See Fig. 2, Fig. 4 and Fig. 8, fuselage positioner 15 comprises adjusting handle and locating shaft.Adjusting handle is fixedly installed on the right-hand member of locating shaft, and locating shaft is screw rod, and locating shaft is arranged on along left and right to rotation in the right upper portion of the body connecting base 6-2 of slide bar assembly 6.During use rotate adjusting handle drive locating shaft rotate and to left movement, and on the motor fixing seat 7-1 stretching into fuselage 7 in corresponding locating hole, thus restriction fuselage 7 can not rotate, and fuselage 7 is positioned at level when putting down, reduce the height of rod-pulling type bias cutter, be convenient to transport.
See Fig. 1, Fig. 2 and Fig. 8, depth adjustment 16 comprises adjusting screw(rod) 16-1 and limited post 16-2.Adjusting screw(rod) 16-1 is vertically arranged on to rotation on the rear portion, right side of the motor fixing seat 7-1 of fuselage 7.The upper end of adjusting screw(rod) 16-1 is provided with corresponding handwheel.Limited post 16-2 is fixedly installed on the lower front of body connecting base 6-2 of slide bar assembly 6.Controlled the extension elongation of its underpart by hand wheel rotating adjusting screw(rod) 16-1 during use, fuselage 7 rotates motion when cut, until the upside of limited post 16-2 is withstood in the lower end of adjusting screw(rod) 16-1, thus the move distance of restriction fuselage 7 on upward and downward, thus reach the effect of the degree of depth regulating cut workpiece.
Above embodiment is only for illustration of the utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not when departing from spirit and scope of the present utility model; various conversion and change can also be made; can also transform accordingly according to the inspiration of above-described embodiment in embody rule process, therefore all equivalent technical schemes all should be included within scope of patent protection of the present utility model.
Claims (10)
1. a rod-pulling type bias cutter, is characterized in that: comprise base (1), workbench (2), prop up by (3), rocking arm (5), slide bar assembly (6), fuselage (7), drive unit (8), control device (9) and saw blade (13); Base (1) is integrated part; Base (1) left and right sides is provided with support portion (1-1) protruding upward; Front side, base (1) middle part is provided with bevel protractor (11); Workbench (2) comprises turntable (2-1), backplate (2-2) and workbench adjusting part (2-3); The turntable (2-1) of workbench (2) rotates and is arranged on base (1), between the support portion (1-1) being arranged in base (1) left and right sides and the upper surface of the upper surface of turntable (2-1) and support portion (1-1) in same level; Turntable (2-1) is along front and back to being provided with the groove of the notch (2-1-1); Backplate (2-2) has 2 pieces, and 2 pieces of backplates (2-2) are separately positioned on the groove of the notch (2-1-1) left and right sides, top, and below the upper surface being positioned at turntable (2-1); Along front and back to being provided with workbench adjusting part (2-3) on workbench (2), workbench adjusting part (2-3) makes turntable (2-1) rotate and turntable (2-1) is locked in base (1) for pulling; Prop up and be fixedly installed on the rear portion, upside of support portion (1-1) of base (1) by (3), prop up and be provided with rule (12) by (3) front side; Rocker arm assembly (5) comprises rocking arm (5-1), rocking arm locking device (5-2), slide bar locking device (5-3) and handle (5-4); Rocking arm (5-1) rotates and is arranged on the rear end of turntable (2-1), and can rotate both sides to the left and right; Rocking arm locking device (5-2) is arranged on rocking arm (5-1), is locked on turntable (2-1) by rocking arm locking device (5-2) at an angle by rocking arm (5-1); Slide bar locking device (5-3) is arranged on the upside of rocking arm for being locked at rocking arm (5-1) by the slide bar (6-1) of slide bar assembly (6); Handle (5-4) is fixedly installed on the upside of rocking arm (5-1); Slide bar assembly (6) comprises slide bar (6-1) and body connecting base (6-2); Slide bar (6-1) has 2, and 2 slide bars (6-1) are all slidably arranged on the rocking arm (5-1) of rocker arm assembly (5), and arranged in parallel; The rear portion of 2 slide bars (6-1) is fixedly connected with by corresponding connector; Body connecting base (6-2) is fixedly installed on the front end of 2 slide bars (6-1); Fuselage (7) comprises motor fixing seat (7-1), left outside cover (7-2), right outside cover (7-3), mobile cover (7-4) and handle (7-5); Motor fixing seat (7-1) is rotated and is arranged on the body connecting base (6-2) of slide bar assembly (6); Left outside cover (7-2) is fixedly installed on motor fixing seat (7-1) from left side; The left back of motor fixing seat (7-1) is provided with dust gathering sill (7-1-1); Handle (7-5) is fixedly installed on the right side of motor fixing seat (7-1); Right outside cover (7-3) is fixedly installed on motor fixing seat (7-1) from right side, and the appropriate section of handle (7-5) is covered; Dust collection mouth (7-6) is formed between the rear portion appropriate section of left outside cover (7-2) and the rear portion appropriate section of right outside cover (7-3); The rear portion appropriate section of dust gathering sill (7-1-1) encases by dust collection mouth (7-6); Mobile cover (7-4) is fixedly installed on left outside cover;
Drive unit (8) is DC brushless motor, and DC brushless motor comprises brushless motor outer rotor assembly (8-1) and stator (8-2); Brushless motor outer rotor assembly (8-1) comprises motor casing (8-1-1), retainer (8-1-2), permanent magnet (8-1-3) and driving shaft (8-1-4);
The integral piece that motor casing (8-1-1) is made for iron or mild steel; Motor casing (8-1-1) housing in opening upwards, the wall thickness of motor casing (8-1-1) is 2 millimeters to 6 millimeters; Driving shaft (8-1-4) is coaxially fixedly installed in motor casing (8-1-1), and protrudes upward motor casing (8-1-1) outward;
Retainer (8-1-2) is integrated through injection molding part; Retainer (8-1-2) comprises location division (8-1-21); Location division (8-1-21) entirety is in tubular, and its wall thickness is the thickness 1/3 to 1 of permanent magnet (8-1-3); The external diameter of location division (8-1-21) is corresponding with the internal diameter of motor casing (8-1-1); Location division (8-1-21) along its circumference at equal intervals angle be provided with the quantity locating slot (8-1-21-1) identical with permanent magnet (8-1-3) quantity, its shape is corresponding with permanent magnet (8-1-3); Retainer (8-1-2) bonding is fixedly installed in motor casing (8-1-1); Permanent magnet (8-1-3) comprises N permanent magnet and S permanent magnet, and N permanent magnet and S permanent magnet are crisscross arranged successively in each locating slot (8-1-21-1) of retainer (8-1-2), and is fixedly installed on motor casing (8-1-1); Stator (8-2) is fixedly installed in the motor fixing seat (7-1) of fuselage (7); The axis of stator (8-2) is along left and right to being horizontally disposed with; Brushless motor outer rotor assembly (8-1) is rotated by corresponding bearing assembly afterwards through stator (8-2) from right to left by its driving shaft (8-1-4) and is arranged in the motor fixing seat (7-1) of fuselage (7), and the appropriate section of stator (8-2) is arranged in motor casing (8-1-1); Saw blade (13) is detachably fixedly installed on the driving shaft (8-1-4) of the brushless motor outer rotor assembly (8-1) of drive unit (8), and corresponding site is positioned between the motor fixing seat (7-1) of fuselage (7) and left outside cover (7-2); Control device (9) is fixedly installed on the right outside cover (7-3) of fuselage (7), is positioned at the front upper place of drive unit (8); Drive unit (8) and control device (9) electrical connection.
2. rod-pulling type bias cutter according to claim 1, it is characterized in that: motor casing (8-1-1) bottom center of brushless motor outer rotor assembly (8-1) is provided with and runs through its upper and lower axis hole (8-1-11), axis hole (8-1-11) forms for punching stretch, and the degree of depth of the axis of axis hole (8-1-11) is 4 millimeters to 10 millimeters.
3. rod-pulling type bias cutter according to claim 2, is characterized in that: motor casing (8-1-1) bottom of brushless motor outer rotor assembly (8-1) is also provided with runs through its one group of upper and lower louvre (8-1-12); Louvre (8-1-12) is arranged around axis hole (8-1-11).
4. rod-pulling type bias cutter according to claim 2, is characterized in that: the retainer (8-1-2) of brushless motor outer rotor assembly (8-1) also comprises upper limit portion (8-1-22); The internal diameter in upper limit portion (8-1-22) is corresponding with the internal diameter of motor casing (8-1-1), and the external diameter of upper limit portion (8-1-22) is less than the external diameter of motor casing (8-1-1); Upper limit portion (8-1-22) is arranged in the upper periphery of location division (8-1-21); Each locating slot (8-1-21-1) of location division (8-1-21) all opening upwards and run through its barrel along location division (8-1-21) radial direction.
5. the rod-pulling type bias cutter according to claim 3 or 4, it is characterized in that: driving shaft (8-1-4) and motor casing (8-1-1) interference fit of brushless motor outer rotor assembly (8-1), and driving shaft (8-1-4) is by the axis hole (8-1-11) of its lower end through motor casing (8-1-1).
6. rod-pulling type bias cutter according to claim 5, it is characterized in that: brushless motor outer rotor assembly (8-1) also comprises fan blade (8-1-5), fan blade (8-1-5) is integrated through injection molding part, fan blade (8-1-5) is fixedly installed on the lower end of driving shaft (8-1-4), be positioned at the below of motor casing (8-1-1), its upper surface contacts with the lower surface of motor casing (8-1-1).
7., according to the arbitrary described rod-pulling type bias cutter of Claims 1-4, it is characterized in that: also comprise hold down gag (4); Hold down gag (4) has 2, and 2 hold down gags (4) are fixedly installed on a two ends, left and right leaning on (3) respectively, and lay respectively on corresponding support portion, base (1) left and right sides (1-1).
8. rod-pulling type bias cutter according to claim 6, is characterized in that: also comprise hold down gag (4); Hold down gag (4) has 2, and 2 hold down gags (4) are fixedly installed on a two ends, left and right leaning on (3) respectively, and lay respectively on corresponding support portion, base (1) left and right sides (1-1).
9., according to the arbitrary described rod-pulling type bias cutter of Claims 1-4, it is characterized in that: also comprise fuselage positioner (15) and depth adjustment (16); Fuselage positioner (15) comprises adjusting handle and locating shaft; Adjusting handle is fixedly installed on the right-hand member of locating shaft, and locating shaft is screw rod, and locating shaft is arranged in the right upper portion of body connecting base (6-2) of slide bar assembly (6) along left and right to rotation; Depth adjustment (16) comprises adjusting screw(rod) (16-1) and limited post (16-2); Adjusting screw(rod) (16-1) is vertically arranged on the rear portion, right side of motor fixing seat (7-1) of fuselage (7) to rotation; The upper end of adjusting screw(rod) (16-1) is provided with corresponding handwheel; Limited post (16-2) is fixedly installed on the lower front of body connecting base (6-2) of slide bar assembly (6).
10. rod-pulling type bias cutter according to claim 6, is characterized in that: also comprise fuselage positioner (15) and depth adjustment (16); Fuselage positioner (15) comprises adjusting handle and locating shaft; Adjusting handle is fixedly installed on the right-hand member of locating shaft, and locating shaft is screw rod, and locating shaft is arranged in the right upper portion of body connecting base (6-2) of slide bar assembly (6) along left and right to rotation; Depth adjustment (16) comprises adjusting screw(rod) (16-1) and limited post (16-2); Adjusting screw(rod) (16-1) is vertically arranged on the rear portion, right side of motor fixing seat (7-1) of fuselage (7) to rotation; The upper end of adjusting screw(rod) (16-1) is provided with corresponding handwheel; Limited post (16-2) is fixedly installed on the lower front of body connecting base (6-2) of slide bar assembly (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442725.1U CN204053106U (en) | 2014-08-06 | 2014-08-06 | A kind of rod-pulling type bias cutter |
| PCT/CN2015/085704 WO2016019829A1 (en) | 2014-08-06 | 2015-07-31 | Pull rod type diagonal cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442725.1U CN204053106U (en) | 2014-08-06 | 2014-08-06 | A kind of rod-pulling type bias cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204053106U true CN204053106U (en) | 2014-12-31 |
Family
ID=52194693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420442725.1U Withdrawn - After Issue CN204053106U (en) | 2014-08-06 | 2014-08-06 | A kind of rod-pulling type bias cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204053106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139212A (en) * | 2014-08-06 | 2014-11-12 | 常州合力电器有限公司 | Pull-rod-type diagonal cutting machine |
| WO2016019829A1 (en) * | 2014-08-06 | 2016-02-11 | 常州合力电器有限公司 | Pull rod type diagonal cutter |
-
2014
- 2014-08-06 CN CN201420442725.1U patent/CN204053106U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139212A (en) * | 2014-08-06 | 2014-11-12 | 常州合力电器有限公司 | Pull-rod-type diagonal cutting machine |
| WO2016019829A1 (en) * | 2014-08-06 | 2016-02-11 | 常州合力电器有限公司 | Pull rod type diagonal cutter |
| CN104139212B (en) * | 2014-08-06 | 2016-08-17 | 常州合力电器有限公司 | Rod-pulling type bias cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160817 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |