CN102039615B - Table-type tool - Google Patents

Abstract

The invention discloses a table-type tool, comprising a base, wherein a work bench is arranged on the base, a slot is arranged on the work bench, a saw bit extends out of the work bench from the slot, an optical mark device is arranged below the work bench and comprises at least one illuminator, and the light rays emitted from the illuminator are parallel to the plane in which the saw bit is located. The optical mark device can clearly and accurately indicate the cutting position and the inclination angle of the saw bit of the table-type tool and is simple in structure and reliable in positioning.

Description

Table tool

To be the applicant be " table tool " in the denomination of invention of application on December 7th, 2007 to the application, and application number is dividing an application of 200710191228.3 Chinese invention patent application.

Technical field

The present invention relates to a kind of table tool, especially a kind of bench saw that is provided with optical marking device.

Background technology

Bench saw be a kind ofly utilize motor-driven saw blade rotation, along the woodworking machinery of straight line saw timber.Traditional bench saw comprises pedestal, is arranged on the workbench on the pedestal, the saw blade that stretches out from workbench.The motor and the chopper that drive saw blade are arranged on the adjusting device that is positioned under the workbench, the operation adjusting device, and saw blade just can tilt.The upper surface of workbench is provided with plane angle instrument, and the operator can utilize this plane angle instrument guiding workpiece, by the angle sawing workpieces that sets.Thereby blade shroud is installed in the top of saw blade and prevents the operator by the saw blade cut wound, prevents that also smear metal from splashing everywhere.

U.S. publication application US20040261592 discloses a kind of bench saw, be installed with laser aid on the chopper of this bench saw, the light that laser aid sends is positioned at the place ahead of saw blade, indication saw blade cutting position, the operator can utilize this light workpiece that leads, thus processing work more accurately.

Above-mentioned laser aid is arranged on the chopper, and when sawing workpieces, chopper is easy to produce and rocks, thereby the light that laser aid sends can produce skew, and workpiece adds can produce very large error man-hour, can't guarantee the crudy of workpiece.If guard shield is lifted by mistake, laser might shine directly into operator's eyes, causes very large injury to the operator.

And, because bench saw is when sawing workpieces, can use guardrail or plane angle instrument guiding workpiece and directly by operator's the both hands workpiece that goes to lead, such meeting quite dangerous, so laser aid is arranged on the chopper, is not changed the operational means that to use guardrail or plane angle instrument to lead.This laser aid performs practically no function.

U.S. bulletin patent US6,263,584 have disclosed a kind of bench saw, removably be provided with laser aid on the saw blade of this bench saw, the light that laser aid sends and the protractor that is arranged on workbench cooperate to indicate the angle of inclination of saw blade, afterwards laser aid is pulled down from saw blade, started bench saw, work the work piece into predetermined inclination angle.

Above-mentioned bench saw is when utilizing the different angle of inclination of laser aid indication saw blade, and laser aid needs repeatedly installation and removal, and need to be used with protractor, and it is very inconvenient to operate.

Summary of the invention

The technical problem that the present invention will solve: a kind of bench saw with optical marking device of firm, the easy-to-operate in location is provided.

The technical problem that the present invention will solve: a kind of bench saw that is provided with optical marking device is provided, and this optical marking device can be indicated the angle of inclination of cutting position and the saw blade of saw blade more exactly.

The technical solution adopted for the present invention to solve the technical problems: a kind of table tool, comprise pedestal, be arranged on the workbench on the pedestal, be provided with groove on the workbench, saw blade stretches out workbench from described groove, be provided with optical marking device below described workbench, described optical marking device comprises at least one photophore, the plane parallel at the light that described photophore sends and saw blade place.

Wherein, described photophore is take light emitting diode as light source; Described photophore is take laser diode as light source; Described optical marking device comprises holder, and described photophore is arranged on the holder, and described photophore is electrically connected with power supply; Described power supply is battery.

Described optical marking device and the interlock of described saw blade.

Described workbench has instruction unit, and the ray cast that described photophore sends forms index line to described instruction unit, the cutting position of indication saw blade; Described instruction unit is made by transparent or semitransparent material; : described saw blade has width, and described index line is positioned at the width range of saw blade; Described saw blade has width, and described index line is positioned at outside the width range of saw blade, and width has left hand edge and right hand edge, and described index line can align with left hand edge or right hand edge.

Be provided with rule on the described pedestal, the described luminous ray cast that it sends forms index line to described rule, the angle of inclination of indication saw blade; Described rule is made by transparent or semitransparent material; Described rule is arc.

Described workbench has instruction unit, be provided with rule on the described pedestal, described optical marking device comprises two photophores, the light portion that the first photophore sends projects instruction unit and forms the first index line, the cutting position of indication saw blade, Journalistic forms the second index line to rule, the angle of inclination of indication saw blade.The ray cast that the second photophore sends forms the 3rd index line to instruction unit, the cutting position of indication saw blade.

Described saw blade has width, and width has left hand edge and right hand edge, and described the first index line aligns with right hand edge, and described the 3rd index line aligns with left hand edge.

Described table tool also comprises the pivot that connects at the workbench lower surface, and the deflection seat with described pivot pivots and is connected is rotatably connected to the carriage on the described deflection seat; Described optical marking device is arranged on the described deflection seat; Described optical marking device is arranged on the described carriage.

The beneficial effect of the technical program: optical marking device is arranged under the workbench, the ray cast that optical marking device sends forms index line to the instruction unit of workbench, can indicate more exactly the cutting position of saw blade, and light can't shine operator's eyes, thereby can not produce injury to the operator, it is safer to operate.

Optical marking device and saw blade interlock, when saw blade tilted, optical marking device and saw blade tilted synchronously, and the ray cast that Optical devices send is indicated the angle of inclination of saw blade to rule.This indicating device is fixed, when indicating different saw blade angles of inclination, does not need repeated disassembled and assembled, operate easily and also the angle indication very accurate.

Description of drawings

Below in conjunction with drawings and Examples the present invention is carried out concrete elaboration.

Fig. 1 is the stereogram of table tool of the present invention, and this moment, the angle of inclination of saw blade was 0 degree.

Fig. 2 is the stereogram of table tool of the present invention, and this moment, the angle of inclination of saw blade was 20 degree.

Fig. 3 is the cutaway view of table tool of the present invention.

Fig. 4 is the stereogram of table tool part of the present invention.

Fig. 5 is the stereogram of table tool part of the present invention.

Fig. 6 is the schematic diagram of table tool saw blade of the present invention and cutting position index line alignment thereof, at this moment, and index line drops in the blade width scope, and index line aligns with the left hand edge of blade width.

Fig. 7 is the schematic diagram of table tool saw blade of the present invention and cutting position index line alignment thereof, and at this moment, index line drops in the blade width scope, and index line aligns with the right hand edge of blade width.

Fig. 8 is the schematic diagram of table tool saw blade of the present invention and cutting position index line alignment thereof, and at this moment, index line drops on outside the blade width scope, and index line aligns with the left hand edge of blade width.

Fig. 9 is the schematic diagram of table tool saw blade of the present invention and cutting position index line alignment thereof, and at this moment, index line drops on outside the blade width scope, and index line aligns with the right hand edge of blade width.

Figure 10 is table tool workpiece to be processed graticule of the present invention and cutting position index line alignment thereof schematic diagram.

Figure 11 is the stereogram of the part of table tool of the present invention, and the laser marker device has two photophores.

Figure 12 is the stereogram of table tool part of the present invention, and this moment, saw blade cutting position index line was one.

Figure 13 is the stereogram of the part of table tool of the present invention, and the laser marker device has two photophores.

Figure 14 is the stereogram of table tool part of the present invention, and this moment, saw blade cutting position index line was two.

Wherein:

1, bench saw 2,pedestal 3,workbench 4, panel

5, cutterretaining plate 6,groove 7,motor 8, motor output shaft

9,saw blade 10,optical marking device 101,holder 102, photophore

102A, thefirst photophore 102B, thesecond photophore 103,power supply 104, switch

105a,index line 105b,index line 1051, thefirst index lines 1052, the second index lines

1053, the threeindex lines 11,instruction unit 12,groove 13, guide groove

14, governormotion 15,plane angle instrument 17,rule 171, marking part

172, non-markingpart 18,graduation mark 19,scale value 20, pivot

22,deflection seat 24,carriage 25, the first connectors 251, side plate

26, thesecond connectors 27,chopper 271,blade 30, ratchet

32, guard shield support arm 34,hand wheel shaft 36,handwheel 40, locking spanner

The specific embodiment

The present invention is take bench saw as preferred embodiment.

To shown in Figure 5, a kind of bench saw 1 comprises pedestal 2, is connected to theworkbench 3 on the pedestal 2, is installed withcutter retaining plate 5 on theworkbench 3, is provided withgroove 6 on thecutter retaining plate 5 referring to Fig. 1, and thesaw blade 9 of the circle that is driven bymotor 7passes groove 6.

Be provided withtranslucent instruction unit 11 on theworkbench 3,instruction unit 11 is positioned at the place ahead of cutter retaining plate 5.Instruction unit 11 can be made by translucent plastic material, also can be made by other any translucent materials.The upper surface ofworkbench 3 is provided withguide groove 13, andguide groove 13 is used formounting plane protractor 15.

At pedestal 2rule 17 is installed, preferred,rule 17 isarc.Rule 17 is made by translucent plastic material, also can be made by other any translucent materials.

Rule 17 has markingpart 171 and non-marking part 172.The back up of markingpart 171 hasgraduation mark 18 and scale value 19.Markingpart 171 is except being printed with the part ofgraduation mark 18, and other parts are all passed through light tight processing, thereby light can only see throughgraduation mark 18 and non-markingpart 172, very clearly indicating graduation.

Governor motion 14 is arranged on the below of workbench 3.Governormotion 14 comprisesdeflection seat 22,carriage 24.

Pivot 20 vertically is fixedly mounted onworkbench 3 lower surfaces alongworkbench 3, anddeflection seat 22 pivots and is connected on thepivot 20, andcarriage 24 is rotatably connected on thedeflection seat 22.

Motor 7 is fixedly mounted on thecarriage 24, andsaw blade 9 is fixedly mounted on the motor output shaft 8.Motor 7 is provided with axle sleeve near the part ofsaw blade 9, and thefirst connector 25 is pivotally connected on axle sleeve.

Thefirst connector 25 also can be pivotally connected onmotor output shaft 8.

Thesecond connector 26 is a rectangle plate body, and an end pivots with thefirst connector 25 by pin and is connected, and the other end pivots withdeflection seat 22 by pin and is connected.

One end of thefirst connector 25 has been bent to form side plate 251, is connected withchopper 27 on the side plate 251.Chopper 27 is for having the lamellar body ofblade 271, andblade 271 maintains a certain distance with the edge of saw blade 9.Pivot on thechopper 27 and be connected withratchet 30 and guard shield support arm 32.By thefirst connector 25 and thesecond connector 26,chopper 27,ratchet 30 and guardshield support arm 32 can be withsaw blade 9 one liftings.

Pedestal 2 haspanel 4, is provided with thegroove 12 of arc on thepanel 4, andgroove 12 is passed in the outer end that is arranged on rotationally the hand wheel shaft 34 on thedeflection seat 22, andhandwheel 36 removably is installed on the outer end of hand wheel shaft 34,handwheel 36 outer being exposed at outside thepanel 4, with handled easily.

Optical marking device 10 is fixedly mounted on the deflection seat 22.According to those of ordinary skills as can be known,optical marking device 10 also can be arranged on thecarriage 24.

Optical marking device 10 comprises theholder 101 that is fixedly mounted on thedeflection seat 22, is arranged on aphotophore 102 on theholder 101, andphotophore 102 is electrically connected with power supply 103.Be provided withswitch 104 on thepower supply 103,switch 104 is used for break-make power supply 103.Preferably,power supply 103 is battery.According to those skilled in the art as can be known,power supply 103 also can be magneto-electric generator, also can be transformer.According to those of ordinary skill in the art as can be known,optical marking device 10 also comprises adjustment part, be used for to adjustphotophore 102, and the angle of the light that sends ofphotophore 102, also can adjust light and sawblade 9 place plane parallel.Repeat no more herein.

Photophore 102 can be selected take light emitting diode as light source.Photophore 102 also can be selected take laser diode as light source, andphotophore 102 energy take laser diode as light source are more concentrated, and the light that sends is clearer.

Light emitting diode can be a kind of in monochromatic, double-colored, the RGB Full color diode, and wherein double-colored, RGB Full color diode and its control circuit consist of photophore jointly.In order to make the light that sends clearer, can select the color large with the color contrast ofinstruction unit 11 andrule 17, such as white, blue or red etc., namely photophore 102 can select the light emitting diode of corresponding color to send corresponding monochromatic light.As select dichromatic LED, then can make it send as required different monochromatic light by control circuit.As select RGB Full color diode, not only can make it send as required different R, G, B three primary colors monochromatic light by control circuit, but also can be sent by R, G, the trichromatic control of B the light of any color.Light emitting diode is non-stimulated to human eye, and is safer, and cost is also low.

Photophore 102 can also take light emitting diode as light source, produce the light on plane through the set of lenses conversion.This structure can make the luminous energy of light emitting diode more concentrated, and light is more clear.

The plane parallel at the light that photophore 102 sends and sawblade 9 places.Optical marking device 10 and sawblade 9 interlocks, i.e.optical marking device 10 and sawblade 9 simultaneously deflections.

Startingswitch 104pluggeds 103,photophore 102 just emits beam, the part of light projects theinstruction unit 11 ofworkbench 3,form index line 105a,index line 105a is used to indicate the cutting position ofsaw blade 9, the part of light projects rule 17,forms index line 105b, andindex line 105b is used to indicate the angle of inclination ofsaw blade 9.

Becauseinstruction unit 11 andrule 17 are made by translucent material, light can projectinstruction unit 11 andrule 17 forms gem-pure index line 105a, 105b, and can not produce leakage, thereby light can not shine operator's eyes, can not cause any harm to the operator.

Saw blade 9 has width W, and width W has left hand edge and right hand edge.

Referring to shown in Figure 6,index line 105a is positioned at the width W scope ofsaw blade 9, and aligns with the left hand edge of width W.Referring to shown in Figure 7,index line 105a is positioned at the width W scope ofsaw blade 9, and aligns with the right hand edge of width W.

Referring to shown in Figure 8,index line 105a is positioned at outside the width W scope ofsaw blade 9, and aligns with the left hand edge of width W.Referring to shown in Figure 9,index line 105a is positioned at outside the width W scope ofsaw blade 9, and aligns with the right hand edge of width W.

According to those skilled in the art as can be known,index line 105a also can align with the central plane ofsaw blade 9, also can withsaw blade 9 width W scopes in any aligned in position.

Because the part ray cast that photophore 102 sendsforms index line 105b to rule 17, thereby preferred, the width ofindex line 105a, 105b is identical with the width ofgraduation mark 18.

Fordifferent index line 105a and the aligned position ofsaw blade 9, the installation site ofrule 17 also can be adjusted to some extent.So,rule 17 can be arranged to slide alongpanel 4, and be provided with different installation site indicating structures forindex line 105a from the different aligned position ofsaw blade 9, such as onpanel 4, being provided with recess for different installation sites, be provided with the protuberance with the recess engagement on therule 17, other fit systems that also can adopt industry to know repeat no more herein.

Preferably,rule 17 is arranged to be fixedly mounted on thepanel 4, and the alignment thereof ofindex line 105a and sawblade 9 selects Fig. 6 to a kind of operation with the handled easily person of alignment thereof shown in Figure 7.

According to those of ordinary skills as can be known,photophore 102 can the conversion of scioptics group produce the parallel light of two bundles, the plane parallel at this two-beam line and sawblade 9 places, the Ray Of Light Journalistic forms the first index line toinstruction unit 11, align with the right hand edge of the width W ofsaw blade 9, the cutting position of indication sawblade 9, Journalistic forms the second index line to rule 17, the angle of inclination of indication sawblade 9; Another bundle ray cast forms the 3rd index line toinstruction unit 11, aligns with the left hand edge of the width W ofsaw blade 9, indicates the cutting position ofsaw blade 9.

To shown in Figure 14,optical marking device 10 of the present invention also can comprise twophotophore 102A referring to Figure 11,102B, twophotophore 102A, the light that 102B sends all with the plane parallel atsaw blade 9 places.

Referring to Figure 11, shown in Figure 12, as twophotophore 102A, when the light that 102B sends is in coplanar state, the ray cast that thefirst photophore 102A sends forms index line thefirst index line 1051 toinstruction unit 11, the cutting position of indication sawblade 9, the ray cast that thesecond photophore 102B sends forms thesecond index line 1052 to rule 17, the angle of inclination of indication saw blade 9.Twophotophore 102A, the light that 102B sends also can project a part on theinstruction unit 11 simultaneously, and a part projects on therule 17.

Referring to Figure 13, shown in Figure 14, as twophotophore 102A, when the light that 102B sends is in non-coplanar state, the light portion that thefirst photophore 102A sendsprojects instruction unit 11 and forms thefirst index line 1051, thefirst index line 1051 aligns with the right hand edge ofsaw blade 9 width W, the light portion that thefirst photophore 102A sendsprojects rule 17 and forms thesecond index line 1052, the angle of inclination of indication sawblade 9, the ray cast that thesecond photophore 102B sends forms the3rd index line 1053 toinstruction unit 11, and thisindex line 1053 aligns with the left hand edge of the width W ofsaw blade 9.

Optical marking device 10 also can comprise more photophore.Repeat no more herein.

Extremely shown in Figure 9 referring to Fig. 1, under the duty of horizontal sawing workpieces, startingswitch 104pluggeds 103,photophore 102 just emits beam, promotehandwheel 36, drivinggovernor motion 14 swings aroundpivot 20, theswing drive motor 7 ofgovernor motion 14, sawblade 9,chopper 27, ratchet 30 and the 32 simultaneously equidirectional swings of guard shield support arm, beoptical marking device 10 and sawblade 9 interlocks, untilindex line 105b points to 0 degree graduation mark ofrule 17, referring to shown in Figure 1, at this moment, the angle of inclination ofsaw blade 9 is 0 degree, and namely the angle on the plane at the plane atsaw blade 9 places andworkbench 3 places is 90 degree, andindex line 105a is positioned at primary importance.

With lockingspanner 40 this governor motion is locked with respect toworkbench 3, when sawing workpieces, the operator is placed on workpiece to be processed on theworkbench 3 and leads withplane angle instrument 15, further referring to shown in Figure 10, go out graticule L1 with pencil at the workpiece to be processed subscript, need to determine the position of sawing, promoteplane angle instrument 15, so that graticule L1 aligns withindex line 105a, at this moment, sawblade 9 also aligns with graticule L1, start bench saw 1, promote workpiece to be processed along moving towards the direction ofsaw blade 9 thereby promoteplane angle instrument 15, the workpiece to be processed sawing is become predetermined oblique angle, but just startingswitch 104 cuts off theelectricity supply 103 afterwards.

Be 20 when spending when needs become the inclination angle with the workpiece to be processed sawing, the operator need to promotehandwheel 36 along the direction shown in the B by position shown in Figure 1, drivinggovernor motion 14 swings aroundpivot 20, untilindex line 105b points to 20 degree graduation marks ofrule 17, referring to shown in Figure 2,index line 105a is displaced to the second place.At this moment, the angle of inclination ofsaw blade 9 is 20 degree, and namely the angle on the plane at the plane atsaw blade 9 places andworkbench 3 places is 70 degree.

With lockingspanner 40governor motion 14 is locked with respect toworkbench 3, during sawing workpieces, the operator is placed on workpiece to be processed on theworkbench 3 and leads withplane angle instrument 15, go out graticule with pencil at the workpiece to be processed subscript, need to determine the position of sawing, promoteplane angle instrument 15, so that graticule aligns withindex line 105a, at this moment, sawblade 9 also aligns with graticule, just can start bench saw 1, thereby promoteplane angle instrument 15 and promote workpiece to be processed along moving towards the direction ofsaw blade 9, the workpiece to be processed sawing is become predetermined inclination angle, but just startingswitch 104 afterwards cuts off theelectricity supply 103.

Utilizeplane angle instrument 15 andoptical marking device 10, the operator can become predetermined inclination angle and oblique angle with the workpiece to be processed sawing, and operation is very easy.

Becauseoptical marking device 10 is fixedly mounted on thedeflection seat 22, can swing with the swing ofgovernor motion 14 andmotor 7, sawblade 9, the light thatoptical marking device 10 sends can be all the time and the plane parallel atsaw blade 9 places, indication to sawing direction and saw blade angle of inclination is very accurate, and the observation scale value is very convenient, can as common graduation indication, not produce the collimation error, improve the crudy of workpiece, avoid waste.

Because when continuous conversion workpiece saw cutting angle,optical marking device 10 does not need by repeated disassembled and assembled, the operator is very easy to use, has greatly improved operating efficiency.

When the ripping workpiece, the operator utilizes guardrail andoptical marking device 10, can easily the workpiece to be processed sawing be become predetermined inclination angle equally.

Claims (10)

1. bench saw, comprise pedestal, be arranged on the workbench on the pedestal, be provided with groove on the workbench, saw blade stretches out workbench from described groove, be provided with optical marking device below described workbench, described optical marking device comprises at least one photophore, the plane parallel at the light that described photophore sends and saw blade place, it is characterized in that: described workbench has instruction unit, be provided with rule on the described pedestal, the ray cast that described photophore sends forms the first index line to described instruction unit, the cutting position of indication saw blade, the ray cast that described photophore sends forms the second index line to described rule, the angle of inclination of indication saw blade.

2. bench saw according to claim 1, it is characterized in that: described saw blade has width, and described the first index line is positioned at the width range of saw blade.

3. bench saw according to claim 1, it is characterized in that: described saw blade has width, and width has left hand edge and right hand edge, and described the first index line can align with left hand edge or right hand edge.

4. bench saw according to claim 1, it is characterized in that: described optical marking device also comprises another photophore, the ray cast that described another photophore sends forms the 3rd index line to instruction unit, described saw blade has width, width has left hand edge and right hand edge, described the first index line aligns with right hand edge, and described the 3rd index line aligns with left hand edge.

5. bench saw according to claim 1, it is characterized in that: described optical marking device comprises holder, and described photophore is arranged on the holder, and described photophore is electrically connected with power supply.

6. bench saw according to claim 5, it is characterized in that: described power supply is battery.

7. bench saw according to claim 1 is characterized in that: described optical marking device and the interlock of described saw blade.

8. bench saw according to claim 1, it is characterized in that: described instruction unit is made by transparent or semitransparent material.

9. bench saw according to claim 1, it is characterized in that: described photophore is take light emitting diode as light source.

10. bench saw according to claim 1, it is characterized in that: described photophore is take laser diode as light source.

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