CN2637059Y - Electric round saw having cut aligning device - Google Patents
Electric round saw having cut aligning device Download PDFInfo
- Publication number
- CN2637059Y CN2637059Y CN 03277504 CN03277504U CN2637059Y CN 2637059 Y CN2637059 Y CN 2637059Y CN 03277504 CN03277504 CN 03277504 CN 03277504 U CN03277504 U CN 03277504U CN 2637059 Y CN2637059 Y CN 2637059Y
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- China
- Prior art keywords
- alignment device
- cutting alignment
- circular saw
- electric circular
- light
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Abstract
The utility model relates to an electric fretsaw which includes an output rotary shaft, a saw blade, a fixed shield and a cutting benchmark device. The cutting benchmark device is arrange on the output rotary shaft of the electric fretsaw and at least includes a lighting device, a rotary component which is arranged on the output rotary shaft and a static component; when the rotary component is driven by the output rotary shaft to rotate in the cavity of the static component, the rotary component produces an electric current and supplies for the lighting device, making luminescence of the lighting deice. When in use, the utility model does not deal with the replacement of battery, and avoids the damage to the eyes of the operators by the light emitted by the lighting device as the light outlet faces downwards.
Description
Technical field
The utility model relates to a kind of electric circular saw that cuts alignment device that has, and as diagonal cutting saw, electric circular saw, Profile cut-off machine etc. have the saw class of rotating saw blade, especially a kind of electric circular saw that has the cutting alignment device that can generate electricity voluntarily.
Background technology
In the prior art, US-A-5862727 discloses a kind of annular saw that supplies and has cut mutatis mutandis laser aid, this device comprises a cross mandrel spare, be provided with super outer hole, three sides on the part, between three holes the stria of arranging lead is arranged, place generating laser respectively in three holes, the battery of electric energy is provided for this generating laser, and the centrifugal switch of controlling whole line conduction or closure, described cross mandrel spare is by by being located at screw threads for fastening on its endoporus on the output shaft of annular saw, the motor of saw drives the output shaft rotation and drives described device rotation, the centrifugal force that rotation is produced makes the centrifugal switch closure and makes whole line conduction, laser instrument is luminous to be produced an index line and is reached for the purpose of described annular saw cutting tool setting on workpiece, the operator can adjust the position of workpiece according to index line, makes annular saw to cut workpiece exactly.But this laser instrument relies on battery to power, and needs the frequent battery of changing, use very inconvenient, and can the complete cycle rotation because of laser, can be mapped in operator's the eyes and people's eyes are caused very serious injury.In order to solve the problem of laser to the injury of people's eyes, a kind of diagonal cutting saw that has the cutting alignment device of battery is disclosed among the US-A-22170404, provide a kind of opaque guard shield to overcome of the injury of laser cutting alignment device in this patent to human eye, but brought simultaneously owing to guard shield is that the not well-illuminated operator of making is difficult in the just accurately tool setting of its erect posture, and the labour contractor that has to turn round is biased to the accurately inconvenience of tool setting of a side, makes operator's fatigue easily and has reduced operating efficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of electric circular saw that cuts alignment device that has, when this annular saw cutting work, described cutting alignment device can generate electricity automatically voluntarily, and the light-emitting device of supplying with this cutting alignment device can be lighted it, and then the vestige of an accurate aligning is provided on the workpiece that will cut for this electric circular saw.
The technical solution of the utility model provides a kind of electric circular saw with the cutting alignment device, comprise output revolving shaft, be installed on the output revolving shaft and by the saw blade of its driven rotary, and one the cutting alignment device, described cutting alignment device is installed on a side of the above saw blade of output revolving shaft of described electric circular saw, this cutting alignment device comprises at least one light-emitting device, one is fixed on the rotary components on the described output revolving shaft, and one described relatively output revolving shaft static and above be fixed with at least two magnetic poles stationary components constitute, described rotary components comprises iron core and the coil on the iron core and is positioned at the inboard of described stationary components, when described rotary components during by described output revolving shaft driven rotary, can produce electric current in the described coil, thereby described light-emitting device is powered and luminous.
In the electric circular saw of the described band cutting alignment device of the technical solution of the utility model, described cutting alignment device below forms a light-emitting window, and the light that described light-emitting device is sent penetrates downwards.
In the electric circular saw of the described band cutting alignment device of the technical solution of the utility model, the light that described light-emitting device sent penetrates downwards with a unlimited angle α less than 270 degree, so that light only is mapped in the scope of work top.
In the electric circular saw of the described band cutting alignment device of the technical solution of the utility model, described cutting alignment device further comprises a rotating basis, described iron core is fastened on the described rotating basis by screw, and described light-emitting device is fixed on the described iron core or on this rotating basis.
In the electric circular saw of the described band cutting alignment device of the technical solution of the utility model, rotating basis is the wheel hub type spare of a hollow.
In the electric circular saw of the described band cutting alignment device of the technical solution of the utility model, described cutting alignment device also comprises the regulating circuit plate that is electrically connected with described coil and described light-emitting device.
In the electric circular saw of the described band cutting alignment device of the technical solution of the utility model, described regulating circuit plate is fixed on described iron core or the described rotating basis.
In the electric circular saw of the described band cutting alignment device of the technical solution of the utility model, described electric circular saw also comprises a secure shroud, and described stationary components is fastened on this secure shroud by screw.
In the electric circular saw of the described band cutting alignment device of the technical solution of the utility model, described stationary components comprises stator case, magnetic pole I and magnetic pole II.The S utmost point of described magnetic pole I and magnetic pole II and the N utmost point relatively are fixed on the inboard of described stator case.
In the electric circular saw of the described band cutting alignment device of the technical solution of the utility model, described cutting alignment device further comprises a lid that tightens together by screw and described iron core.
A kind of electric circular saw that cuts alignment device that has that the utility model provides has saved the trouble that resembles frequent replacing battery the prior art because provide the device of automatic generating on described cutting alignment device;
A kind of electric circular saw that cuts alignment device that has that the utility model provides, because below on the described cutting alignment device, formed the light-emitting window of certain angle, and avoided the injury of light (especially laser) that light-emitting device sends to operator's eyes.
The utility model provides a kind ofly has the electric circular saw that cuts alignment device, has possessed above advantage because provide, thereby has made things convenient for the cutting work of annular saw, has improved cutting accuracy.
Description of drawings
Accompanying drawing 1 is the whole lateral plan that has the electric circular saw that cuts alignment device of the present utility model;
The phantom of accompanying drawing 2 for cutting open along A-A among Fig. 1;
Accompanying drawing 3 is an I place partial enlarged view among Fig. 2;
Accompanying drawing 4 is of the present utility model having in the electric circular saw that cuts alignment device, and the C-C of described cutting alignment device is to cutaway view;
Accompanying drawing 5 is of the present utility model having in the electric circular saw that cuts alignment device, and the D-D of described cutting alignment device is to cutaway view;
Accompanying drawing 6 is of the present utility model having in the electric circular saw that cuts alignment device, the front view of described lid;
Accompanying drawing 7 is of the present utility model having in the electric circular saw that cuts alignment device, the cutaway view along E-E direction in the accompanying drawing 6 of described lid;
Accompanying drawing 8 is of the present utility model having in the electric circular saw that cuts alignment device, the cutaway view along F-F direction in the accompanying drawing 6 of described lid;
Accompanying drawing 9 is of the present utility model having in the electric circular saw that cuts alignment device, first kind of form of implementation of described stator case;
Accompanying drawing 10 is of the present utility model having in the electric circular saw that cuts alignment device, second kind of form of implementation of described stator case;
Wherein: 1, electric circular saw; 2, secure shroud; 3, connecting rod; 4, corner support; 5, rotating shaft; 6, saw base; 7, guardrail; 8, workpiece; 9, rotary table; 10, light area; 11, moving guard shield; 12, saw blade; 13, cutting alignment device; 14, output revolving shaft; 15, saw blade pressing plate; 16, light; 17, pad; 18, fastening bolt; 19, coil; 20, trip bolt I; 21, iron core; 22a, magnetic pole I; 22b, magnetic pole II; 23, stator case; 24, jump ring; 25, bearing; 26, trip bolt II; 27, rotating basis; 28, lead; 29, metallic channel; 30, light-emitting window; 31, lid; 32, screw hole; 33, light-emitting device; 34, wiring board; 35, hole; 36, fixed structure I 37, fixed structure II 38, curved surface 39, breach 40, screw hole 41, centre bore;
The specific embodiment
With reference to accompanying drawing 1, the electric circular saw 1 that cuts alignment device that has of the present utility model, comprise saw base 6, can regulate the rotary table 9 of the cutting angle of cut workpiece, this rotary table 9 can be arranged in the saw base rotatably, one corner bearing 4 is connected on the support by pivot 5, this support is connected on the saw base of described electric circular saw, one connecting rod 3 is connected on the described corner bearing 4 versatilely, the moving guard shield 11 of one saw is connected to an end of described connecting rod, this electric circular saw also comprises with moving guard shield and cooperates the secure shroud 2 that saw blade is mounted in it, by being arranged on the guardrail 7 on the described saw base, the workpiece 8 that needs cutting by clamping on described rotary table 9, as shown in the figure, when sawing when doing cutting movement up and down perpendicular to the direction of saw base, described connecting rod 3 is opened described secure shroud 11, thereby expose saw blade 12, the light area that described cutting alignment device is throwed is as shown in Figure 1, and the operator just can utilize the cutting alignment device to throw the vestige tool setting that the light that gets off forms on the workpiece that will cut accurately to have cut like this.
With reference to accompanying drawing 2, in most preferred embodiment of the present utility model, cutting alignment device 13 is set between saw blade 12 and the secure shroud, during installation, because secure shroud 2 is installed on the output revolving shaft 14 of electric circular saw 1 by jump ring 24, described cutting alignment device 13 axially be clamped in by fastening bolt 18 and the screwed hole that is located at an end of output revolving shaft and bearing 25 between, axial clamping force is passed to after through saw blade pad 17, saw blade pressing plate 15, saw blade 12 on the described cutting alignment device 13 and it is fixedly mounted on the saw device from described bolt.Described cutting alignment device 13 can be installed on the inboard (as shown in Figure 2) of the above saw blade of output revolving shaft of described electric circular saw, but it also can be installed in the outside of saw blade 12 or other place of saw device simultaneously.
Referring to accompanying drawing 3-5, described cutting alignment device 13 comprises at least one light-emitting device 33, one is fixed on the rotary components on the described output revolving shaft 14, and one described relatively output revolving shaft static and above be fixed with at least two magnetic poles stationary components constitute, described stationary components comprises stator case 23, magnetic pole I and magnetic pole II, magnetic field in the present embodiment is the magnetic field that a pair of magnetic pole forms, magnetic pole I is the N utmost point, and magnetic pole II is the S utmost point, but also can adopt many to magnetic pole formation magnetic field; Described rotary components comprises iron core 21 and the coil 19 on the iron core, and be positioned at the inboard of described stationary components, when described rotary components during by described output revolving shaft 14 driven rotary, can produce electric current in the described coil 19, the electric current that produces is conducting on the circuit board 34 by the lead 28 that is arranged in the metallic channel 29 on the iron core 21, this regulating circuit plate is provided with the adjustment circuit, the assembly of this circuit and function are: a resistance carries out current limliting, an electric capacity carries out filtering, a diode carries out rectification, the stable electric current that flows out from this circuit board is communicated on the light-emitting device at last, thereby described light-emitting device is powered and luminous, the light that this light-emitting device sends transmits from be formed at the super following light-emitting window 30 between stator case 23 and the rotating basis 27, get to the workpiece that will be cut 8 on the rotary table 9 that is placed on described electric circular saw above, the operator can be by regulating the position of guardrail 7 and workpiece, make from the light 16 of described cutting alignment device 13 at the light of the formation of surface of the work and the label alignment that will cut, thereby reach the purpose of accurate cutting.
In the electric circular saw of described band cutting alignment device of the present utility model, below described cutting alignment device 13, formed the long and narrow light-emitting window 30 under a direction is super on the stator case 23, the light 16 that described light-emitting device 33 is sent sets out downwards from here, shown in accompanying drawing 9 and accompanying drawing 10, this mouthful can be opened the edge in described stator case 23, also can open on its sidewall, and the ideal range of the unlimited angle α of this light-emitting window 30 is 0 °≤α≤270 °.
In the electric circular saw of described band cutting alignment device of the present utility model, described cutting alignment device further comprises a rotating basis 27, in most preferred embodiment, described iron core 21 is fastened on the described rotating basis by screw I20, described light-emitting device 33 is fixed on this rotating basis 27, similarly, described light-emitting device 33 also can be fixed on the described iron core 21 by other fixing means.
In the electric circular saw of described band cutting alignment device of the present utility model, rotating basis 27 is the wheel hub type spare of a hollow, as shown in accompanying drawing 2 and 3, output revolving shaft 14 axially, this part one end withstands on the inner ring of bearing 25, the other end is pressed on the saw blade 12.
In most preferred embodiment of the present utility model, shown in Fig. 3-5, in the electric circular saw of described band cutting alignment device, described regulating circuit plate 34 is fixed on the described rotating basis, but similarly, this regulating circuit plate is fixed on the described iron core and can reaches same actual effect.
In most preferred embodiment of the present utility model, shown in Fig. 3-5, in the electric circular saw of described band cutting alignment device, the described stationary components that has comprised stator case 23 and a pair of magnetic pole is fastened on the described secure shroud 2 by screw II26, form as an alternative, the fastening means of screw also can replace with other fastening means.
In most preferred embodiment of the present utility model, shown in Fig. 3-6, in the electric circular saw of described band cutting alignment device, 13 1 lids 31 (referring to accompanying drawing 6) that play dustproof and fixation of described cutting alignment device, this lid is tightened together with described iron core 21 by screw I 20, and be provided with the structure 36 and 37 of fixing and holding described circuit board 34 and described light-emitting device 33 on this lid, wherein 36 is a projection 36, be used for fixing described light-emitting device 33, this convex upper surface is a recessed curved surface 38, can better combine with the external form of described light-emitting device, fixed structure II 37 is used for fixing described wiring board 34, two place's screw holes 40 are used for holding described screw I 20, so that described lid 31 can tighten together with iron core 21, centre bore 41 can therefrom pass described output revolving shaft 14, the setting of breach 39 is in order to abdicate the space for described magnetic pole I 22a and magnetic pole II 22b, described lid 31 can be made by metal material, also can make with other materials such as plastics.
Though the utility model has been done above detailed explanation with reference to the accompanying drawings, other thus the change of technical scheme by the unsubstantiality embodiment that can access all within invention creation scope of the present utility model.
Claims (10)
1, a kind of electric circular saw with the cutting alignment device comprises output revolving shaft (14), is installed in that output revolving shaft (14) is gone up and by the saw blade (12) of its driven rotary, the secure shroud (2) that covers described saw blade, cutting alignment device (13), it is characterized in that:
Described cutting alignment device (13) is installed on the side that saw blade (12) was gone up and be positioned to output revolving shaft (14), this cutting alignment device (13) comprises light-emitting device (33) at least, be fixed on rotary components on the described output revolving shaft (14), be fastened on the stationary components on the described secure shroud (2), this stationary components comprises a pair of magnetic pole (22a at least, 22b), described rotary components is positioned at the inboard of described stationary components, described rotary components comprises iron core (21) and the coil (19) on the iron core, and described light-emitting device (33) is electrically connected with described coil (19).
2, the electric circular saw of band cutting alignment device according to claim 1, it is characterized in that: described stationary components also comprises stator case (23), described at least one pair of magnetic pole (22a, 22b) be fixed in the inboard of this stator case (23), the sidewall of described stator case (23) is provided with light-emitting window (30), the interior oral area of this light-emitting window (30) is towards described light-emitting device (33), and its outer port part down.
3, the electric circular saw of band cutting alignment device according to claim 2, it is characterized in that: described stator case (23) is a lid type spare, and the sidewall of described stator case (23) refers to the circumferential section of this part, and described light-emitting window (30) is a slot.
4, the electric circular saw of band cutting alignment device according to claim 1, it is characterized in that: described cutting alignment device (33) further comprises the rotating basis (27) that is installed on the described output revolving shaft (14), and described iron core (21) and described light-emitting device (33) all are fixed on the described rotating basis (27).
5, the electric circular saw of band cutting alignment device according to claim 1, it is characterized in that: described cutting alignment device (33) further comprises the rotating basis (27) that is installed on the described output revolving shaft (14), described iron core (21) is fastened on the described rotating basis (27), and described light-emitting device (33) is fixed on the described iron core (21).
6, according to the electric circular saw of claim 4 or 5 described band cutting alignment devices, it is characterized in that: described rotating basis (27) is for there being the wheel hub type spare of a centre bore, and described output revolving shaft (14) passes from this centre bore.
7, the electric circular saw of band cutting alignment device according to claim 1, it is characterized in that: described cutting alignment device (13) also comprises the regulating circuit plate (34) that is electrically connected with described coil (19) and described light-emitting device (33).
8, the electric circular saw of band cutting alignment device according to claim 7, it is characterized in that: described regulating circuit plate (34) comprises a current rectifying and wave filtering circuit.
9. the electric circular saw of band cutting alignment device according to claim 1, it is characterized in that: described cutting alignment device (33) further comprises lid (31), this lid (31) is fastened on the described iron core (21).
10. the electric circular saw (1) of band cutting alignment device according to claim 9, it is characterized in that: described lid (31) is provided with fixed structure (36,37), described light-emitting device (33) and adjusting wiring board (34) fix by fixed structure (36,37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277504 CN2637059Y (en) | 2003-08-06 | 2003-08-06 | Electric round saw having cut aligning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277504 CN2637059Y (en) | 2003-08-06 | 2003-08-06 | Electric round saw having cut aligning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2637059Y true CN2637059Y (en) | 2004-09-01 |
Family
ID=34302843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03277504 Expired - Fee Related CN2637059Y (en) | 2003-08-06 | 2003-08-06 | Electric round saw having cut aligning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2637059Y (en) |
-
2003
- 2003-08-06 CN CN 03277504 patent/CN2637059Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |