CN201350527Y - Miter saw - Google Patents
Miter saw Download PDFInfo
- Publication number
- CN201350527Y CN201350527Y CNU2009200378556U CN200920037855U CN201350527Y CN 201350527 Y CN201350527 Y CN 201350527Y CN U2009200378556 U CNU2009200378556 U CN U2009200378556U CN 200920037855 U CN200920037855 U CN 200920037855U CN 201350527 Y CN201350527 Y CN 201350527Y
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- Prior art keywords
- saw blade
- motor
- saw
- shaft
- gear
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- 238000005520 cutting process Methods 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to a miter saw which comprises a base, a cutting head, a saw blade shaft, a transmission mechanism and a supporting mechanism. The cutting head which is arranged above the base comprises a saw blade and a motor used for driving the saw blade, and the motor is provided with a motor shaft; the saw blade shaft is used for installing the saw blade; the transmission mechanism is used for transmitting rotary motion of the motor to the saw blade; the cutting head is supported on the base by the supporting mechanism; and the saw blade shaft and the motor shaft are interlaced in space. As the saw blade shaft and the motor shaft are interlaced, an interlacing distance exists between the motor shaft and the saw blade shaft; therefore, the miter saw can install the motor on different positions oppositely to the saw blade, so as to meet different cutting requirements and enhance the cutting capability of the miter saw. As the position of the motor is moved forwards, a shell of the motor can be avoided from bumping tall and thin special work-pieces; therefore, the miter saw with small specifications can achieve the function of cutting the special work-pieces which only the miter saw with large specifications can realize.
Description
Technical field
The utility model relates to a kind of mitre saw, relates in particular to a kind of desk-top mitre saw that tilts.
Background technology
The mitre saw of the multiple cutting that realizes tilting has appearred in for convenience different angle cuttings in the prior art, these attainable modes comprise the mode that gear transmission mode, belt transmissioning mode or gear combine with belt.Usually the mode by the two-stage transmission is arranged on motor on the position away from the saw blade axis, thereby make, when mitre saw when motor one side is made inclined cut, motor housing can not collide the work top of mitre saw and be fixedly mounted on other members on the work top to realize the inclined cut of motor one side.The mode of this two-stage transmission has increased the number of spare parts on the mitre saw, has strengthened the processing capacity of part, and has improved the assembly difficulty between the part and the manufacturing cost of mitre saw.
Also disclosed a kind of mitre saw in the U.S. Pat 5357834, it utilizes the one-level kind of drive of 45 degree angle of cut bevel gears to realize the cutting function that tilts, wherein motor is configured in a side and the motor shaft and the saw blade axis diagonal cross of saw blade with respect to saw blade, the one-level kind of drive of this 45 degree angle of cut bevel gears than the above-mentioned secondary kind of drive have simple in structure, be easy to advantage such as processing.But also there are some problems in it, such as: motor is single with respect to the installation site of saw blade, can not adjust; The mitre saw of small dimension can't be realized the cutting to special workpieces such as skirtings.
The utility model content
The purpose of this utility model is: the shortcoming at above-mentioned prior art exists, a kind of mitre saw that tilts is proposed, and the installation site of its motor can be adjusted.
The further purpose of the utility model is: propose a kind of formula that tilts mitre saw that can cut special workpiece.
In order to reach above purpose, the basic technical scheme of the utility model mitre saw is: comprise a base; A cutting head that is supported on the base top comprises a saw blade and a motor that is used to drive saw blade, and this motor has a motor shaft with first axle; Saw blade axis that is used to install saw blade with second axis; A transmission mechanism that is used for rotatablely moving of motor passed to saw blade; One will be cut head and be supported in supporting mechanism on the base; Saw blade axis and motor shaft are spatially staggered, make to form an alternate angle and a staggered distance between the first axle and second axis, and less than 90 degree, staggered distance is greater than 0 degree greater than 0 degree for alternate angle.
Because saw blade axis and motor shaft are staggered, have a staggered distance between motor shaft and the saw blade axis, thereby the utility model can be installed in motor and satisfies different split requirements on the different positions with respect to saw blade, strengthen the cutting power of mitre saw.Position reach by with motor avoid motor case to collide height and thin special workpiece, thereby the mitre saw that reaches with small dimension reaches the special workpiece cutting function that big specification mitre saw could be realized.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the front view of the desk-top mitre saw of the formula that tilts of a first-selected embodiment one in the utility model.
Fig. 2 is the right view of desk-top mitre saw among Fig. 1.
Fig. 3 is the rearview of desk-top mitre saw among Fig. 1, and wherein the cutting head part is clipped.
Fig. 4 is motor shaft and a saw blade axis position relational view among Fig. 1.
Fig. 5 is the schematic diagram that the small dimension mitre saw cuts special workpiece in the prior art.
Fig. 6 is the schematic diagram that big specification mitre saw cuts special workpiece in the prior art.
Fig. 7 is the schematic diagram that the small dimension mitre saw cuts special workpiece in the utility model.
Fig. 8 is the side view of mitre saw among the first-selected embodiment two of the utility model.
Fig. 9 is the side view of mitre saw in the prior art.
Figure 10 is the side view of mitre saw among the first-selected embodiment three in the utility model.
Specific embodiments
Embodiment one
As shown in Fig. 1-3, the desk-top mitre saw 10 in the utility model has base 11, be positioned at the cutting head 12 of base 11 tops and cutting head 12 can be supported on enable to pivot on the base 11 move up and down, tilt, the support sector 13 slided in front and back.One rotatable rotating disk 14 is installed on the base 11, and the upper surface of the upper surface of rotating disk 14 and base 11 is in the same plane to be used to support workpiece to be cut.
Be fixed with the pin 15 that extends on the cut direction of mitre saw 10 on the rear end of rotating disk 14, the center line of pin 15 is positioned on the upper surface of rotating disk 14 substantially.Support sector 13 can freely tilt around about the longitudinal axis of pin 15.Be formed with on the rear end face of support sector 13 with pin 15 is the deep-slotted chip breaker 16 at center, pass and be provided with a set lever 17 in this deep-slotted chip breaker 16, when unclamping set lever 17, support sector 13 can be that the rotating shaft left-right rotation tilts with pin 15, the angular range that tilts is corresponding to the angular range of deep-slotted chip breaker 16, and this angular range is set to 45 degree that can tilt usually.When support sector 13 turned to desirable obliquity, fastening set lever 17 promptly can be fixed on support sector 13 on the desirable obliquity.
Be provided with a pair of slide-and-guide parts 18 in the upper end of support sector 13, pair of guide rods 19 is inserted in these slide-and-guide parts 18, and guide rod 19 can slide on cut direction under the guiding of slide-and-guide parts 18 with paralleling with the upper surface of rotating disk 14.The front end of guide rod 19 is provided with cutting holder,head 20, and the rear end is provided with and prevents retaining that guide rod 19 comes off 21.
Above cutting holder,head 20, can be that rotating shaft is rotated with respect to base 11 upper surfaces and forced down cutting head 12 mobile between the position an elevated position and one with axle 22 thereby be supported with by axle 22.
Below cutting head portion 12 is described.Cutting head 12 comprises a saw blade 23, and the blade shroud 31 that has covered saw blade 23 the first half.A gear-box 24 is contained on the blade shroud 31 or is formed on the blade shroud 31 and with blade shroud 31 and is integral.Gear-box 24 is arranged on a side of saw blade 23 and tilts to extend upward with respect to saw blade 23.A saw blade axis 25 that is used for installing saw blade 23 is arranged on gear-box 24.When cutting head 12 was in a position perpendicular to base 11 upper surfaces, saw blade axis 25 was parallel to the upper surface of rotating disk 14.One end of saw blade axis 25 extend in the blade shroud 31, and saw blade 23 is dismountable to be installed on the end of saw blade axis 25, and saw blade 23 is perpendicular to base 11 upper surfaces.A gear 26 is fixedly mounted on saw blade axis 25 and is arranged on the other end of gear-box 24.
One end and the blade shroud 31 of gear-box 24 are joined, and the other end is installed with a motor case 27, and motor case 27 extends on the direction identical with gear-box 24 bearing of trends.A motor 28 is set in the motor case 27, and motor 28 has a motor shaft 29, and motor shaft 29 extends in the gear-box 24.A gear 30 is contained in or is formed on the motor shaft 29 and with helical gear 26 and is meshed.Motor 28 and motor shaft 29 are arranged on a side of saw blade 23 and are tilted to respect to saw blade axis 25.
As shown in Figure 4, saw blade axis 25 is spatially staggered with motor shaft 29, and promptly the axis 251 of saw blade axis 25 spatially intersects never with the axis 291 of motor shaft 29.Make a line 292 that is parallel to electrical axis 291 and intersects with saw blade axis 251, shape α in an angle between line 292 and the saw blade axis 251, angle α promptly is the alternate angle between saw blade axis 25 and the motor shaft 29, alternate angle α spends greater than 0 and spends less than 90.Also exist in the space one vertical and intersect at the axis 251 of saw blade axis and vertical and intersect at the line segment AA ' of the axis 291 of motor shaft, the length of line segment AA ' promptly is the staggered distance between saw blade axis 25 and the motor shaft 29, this staggered distance value is non-vanishing.When design, can require according to dimensional requirement, the cutting power of mitre saw stagger angle between motor shaft and the saw blade axis and staggered distance are designed, in case and can as 45 degree bevel gear transmissions of the prior art, gear size not determine that the crossing angle and distance between motor shaft and the saw blade axis all can not be changed.
Motor shaft and saw blade axis spatially intersect in the prior art, the position of motor can not change with respect to the saw blade center, as shown in Figure 5, if adopt the mitre saw of small dimension, such as the mitre saw that uses 10 inches saw blades, its motor case 27 ' can interfere with thin and high special workpiece M, thereby can't realize the cutting function to this special workpiece.As shown in Figure 6,, adopt the mitre saw of big specification to realize in the prior art usually, can realize cutting special workpiece M such as the mitre saw that has used 12 inches saw blades in order to finish cutting to thin and high special workpiece M.
In the utility model, because saw blade axis 25 is spatially staggered with motor shaft 29, there is a staggered distance between the two, as shown in Figure 7, a small dimension mitre saw that adopts 10 inches saw blades, the position of its motor can be installed with respect to the reach of saw blade center in when design, realize cutting special workpiece M thereby make motor case 27 avoid height and thin special workpiece M.Utilize saw blade axis 25 and motor shaft 29 staggered characteristics, thereby the cutting power that has strengthened mitre saw is installed in the position reach of motor, and reach the special workpiece cutting function that big specification mitre saw could be realized with the mitre saw of small dimension.
Embodiment two
Fig. 8 shows a kind of mitre saw 100 that has operating grip, and handle 101 is connected with motor case 102, is provided with in the motor case 102 to be used to drive the motor (not shown) that saw blade 103 rotates.In the present embodiment, by will moving installation behind the motor position, thereby make the position of handle 101 not exceed the miscellaneous part on the mitre saw, such as the set lever on the base 104, thereby reduced complete machine Package size, saved packing cost and cost of transportation.
As shown in Figure 9, in the prior art because the position of motor is immutable with respect to the saw blade center, and the handle 101 ' with certain size length has exceeded the set lever 104 ' on the mitre saw base, thereby has increased the packing cost of complete machine.
Embodiment three
When design, the position of motor is not limited to adjust according to different designing requirements the front and back position of motor in the utility model, design of electrical motor can also be got forward or backward and rotate to an angle, as shown in Figure 10, thus can solve mitre saw center of gravity, motor air inlet towards etc. problem.
Those of ordinary skill in the art can predict, and the staggered slidingtype composite inclined cutting saw that not only can be used for the foregoing description of saw blade axis in the foregoing description and motor shaft can also be used for the non-sliding type mitre saw.
Generally speaking, the mitre saw that is disclosed in the utility model is not limited to described content of above embodiment and the represented structure of accompanying drawing.On basis of the present utility model to the shape of member wherein and the change apparently that makes the position, substitute or revise, all within the claimed scope of the utility model.
Claims (4)
1. a mitre saw comprises
A base;
A cutting head that is supported on the base top comprises a saw blade and a motor that is used to drive described saw blade, and described motor has a motor shaft with first axle;
Saw blade axis that is used to install described saw blade with second axis;
A transmission mechanism that is used for rotatablely moving of described motor passed to described saw blade;
One is supported in supporting mechanism on the described base with described cutting head;
It is characterized in that: described saw blade axis and described motor shaft are spatially staggered, make to form an alternate angle and a staggered distance between described first axle and described second axis, and less than 90 degree, described staggered distance is greater than 0 greater than 0 degree for described alternate angle.
2. mitre saw as claimed in claim 1 is characterized in that, described transmission mechanism is the one-level transmission mechanism.
3. mitre saw as claimed in claim 1 or 2 is characterized in that, described transmission mechanism comprises one and is installed in first gear on the described saw blade axis and one and is installed in second gear on the motor shaft, that be meshed with described gear.
4. mitre saw as claimed in claim 3 is characterized in that, described first gear and described second gear all are hypoid gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200378556U CN201350527Y (en) | 2009-02-01 | 2009-02-01 | Miter saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200378556U CN201350527Y (en) | 2009-02-01 | 2009-02-01 | Miter saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201350527Y true CN201350527Y (en) | 2009-11-25 |
Family
ID=41373916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200378556U Expired - Fee Related CN201350527Y (en) | 2009-02-01 | 2009-02-01 | Miter saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201350527Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103917318A (en) * | 2011-09-06 | 2014-07-09 | 罗伯特·博世有限公司 | Miter saw with dual belt drives |
| CN104646752A (en) * | 2013-11-25 | 2015-05-27 | 苏州宝时得电动工具有限公司 | Handheld cutting machine |
| CN113649641A (en) * | 2020-05-12 | 2021-11-16 | 南京德朔实业有限公司 | Electric circular saw |
| CN114473772A (en) * | 2020-11-12 | 2022-05-13 | 南京泉峰科技有限公司 | Polishing tool |
| CN114473774A (en) * | 2020-11-12 | 2022-05-13 | 南京泉峰科技有限公司 | Polishing tool |
-
2009
- 2009-02-01 CN CNU2009200378556U patent/CN201350527Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103917318A (en) * | 2011-09-06 | 2014-07-09 | 罗伯特·博世有限公司 | Miter saw with dual belt drives |
| US9555490B2 (en) | 2011-09-06 | 2017-01-31 | Robert Bosch Tool Corporation | Miter saw with double belt drive |
| CN103917318B (en) * | 2011-09-06 | 2018-01-30 | 罗伯特·博世有限公司 | Miter saw with dual belt drives |
| CN104646752A (en) * | 2013-11-25 | 2015-05-27 | 苏州宝时得电动工具有限公司 | Handheld cutting machine |
| CN113649641A (en) * | 2020-05-12 | 2021-11-16 | 南京德朔实业有限公司 | Electric circular saw |
| CN113649641B (en) * | 2020-05-12 | 2024-03-15 | 南京泉峰科技有限公司 | electric circular saw |
| CN114473772A (en) * | 2020-11-12 | 2022-05-13 | 南京泉峰科技有限公司 | Polishing tool |
| CN114473774A (en) * | 2020-11-12 | 2022-05-13 | 南京泉峰科技有限公司 | Polishing tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20130201 |