CN101451424A - Drilling tool with dust collector - Google Patents
Drilling tool with dust collector Download PDFInfo
- Publication number
- CN101451424A CN101451424A CN 200810184540 CN200810184540A CN101451424A CN 101451424 A CN101451424 A CN 101451424A CN 200810184540 CN200810184540 CN 200810184540 CN 200810184540 A CN200810184540 A CN 200810184540A CN 101451424 A CN101451424 A CN 101451424A
- Authority
- CN
- China
- Prior art keywords
- dust
- air
- drill bit
- boring bar
- bar tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Percussive Tools And Related Accessories (AREA)
- Drilling And Boring (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention provides a drilling tool having a miniaturized dust collection device, which improves the working efficiency while improving the dust collecting efficiency. The drilling tool uses the rotary force of an electric motor to rotate the drill bit. The dust collection device is installed near the front end of the drill bit. The dust collection device collects the dust caused by drilled material of drilling. The dust collection device is provided with: a penetrating portion configured to penetrate the drill bit; a dust collection nozzle that absorbs mill dust produced near the front end of the drill bit; and an ejection opening that ejects air. Absorbed air enters, passes through a dust collection filter and reaches the path of a fan connected with the electric motor, and a current of air is formed by using the rotary force of the fan. The current of air is the current of air for absorption from the dust collection nozzle and the current of air for ejection from the ejection opening. The amount of the absorbed air is larger than that of the air ejected from the ejection opening.
Description
Technical field
The present invention relates to a kind of boring bar tool that is driven by motor or motor etc., it is used to offer drawbore, particularly a kind of boring bar tool that dust collect plant is housed, and its dust that can be efficiently produces during to boring carries out control of dust.
Background technology
Boring bar tool is used for offering drawbore on stone materials such as concrete or brick.Boring bar tool is by driving drill bit, offers drawbore on by the drilling material, has common rotary drilling, makes drill bit be rotated the Churn drill of impact and vibration to bore etc.Owing to when using boring bar tool to carry out bore operation, can produce dust, so the operator is with sometimes respirator or safety goggles etc. to carry out operation.In recent years, the dust that produces when removing operation, and the boring bar tool that disposes the dust collect plant that is used to collect dust has obtained using widely gradually.
For example, open in the 2004-276194 communique, adopted to bore and utilized snake abdomen shape parts and dust box to cover the form of the whole blade of drill bit on the main body in vibration the spy, and utilize dust leg with the dust box with other device, promptly attract precipitron to be connected.In the method, utilize snake abdomen shape parts and dust box to cover the integral body of drill bit, therefore can obtain higher dust collecting effect, but this not only can make snake abdomen shape parts and dust box maximize, and it is need other device, promptly attract precipitron, thereby portable relatively poor.
On the other hand, as the boring bar tool of the dust collect plant that further miniaturization is housed, have the spy and open the technology of putting down in writing in the 2006-88285 communique.In this technology, form the fluid through-out pathway along the axle center from the rear end of drill bit, the fluid through-out pathway forms the fluid discharge outlet that is communicated with bit exterior at the chip removal slot part of front end, utilization is arranged on outside compressor, via fluid through-out pathway and fluid discharge outlet, with compressed air delivery near the blade front end of drill bit.Near the blade front end of drill bit, be provided with dust gathering arrester, via the conduit utilization by the motor of boring bar tool and the attraction fan that rotates attracts dust.Also need external device (ED)s such as compressor in this device, portable relatively poor.In addition, owing to be the special construction that forms the fluid through-out pathway at the axle center part of drill bit, so cost also can rise.
Patent documentation 1: the spy opens the 2004-276194 communique
Patent documentation 2: the spy opens the 2006-88285 communique
Summary of the invention
In order to solve above-mentioned portable problem, can consider to open the technology of 2006-88285 communique record from the spy, cancellation fluid through-out pathway omits and being connected of the compressor of outside, perhaps also can under the out-of-operation state of compressor, use, thereby improve portable.In the case, the dust that produces during bore operation moves by the spiral structure of drill bit and to the control of dust adapter is inner, and the attraction by the control of dust fan is directed into the control of dust path,, with air and dust separation dust is housed in the dust-collecting box by the strainer in the dust-collecting box.When bore operation, tool body is accompanied by this and moves to being moved by the direction of drilling material, and the collecting unit of dust sliding part of sliding catheter and collecting unit of dust moves, and the control of dust adapter is contacted all the time with by the drilling material.
But, can't fully attract dust sometimes, dust is spilt near the contact site of control of dust adapter and drill bit, cause trouble to the operator.
In addition, the dust that produces during bore operation, move by the spiral structure of drill bit and to the control of dust adapter is inner, and carry out control of dust by the attraction of control of dust fan, but after bore operation finishes, drawbore is inner can residual a part of dust, when in drawbore, knocking in holdfast etc., need to remove residual dust, when the operation of removing this dust, dust is flown away.Especially, not only when the cross drilling operation of drill bit, when downward bore operation, because the influence of gravity and, make the operation of removing residual dust expend the time sometimes on every side easily in the inside of drawbore or residual dust.
The object of the present invention is to provide a kind of boring bar tool with dust collect plant of miniaturization, it improves operating efficiency when improving dust catching efficiency.
Can realize above-mentioned purpose by following structure in boring bar tool, wherein, this boring bar tool has: motor; The transmission drive division, the revolving force that it transmits this motor is rotated drill bit (front end tool); And dust collect plant, it is to being carried out control of dust from what hole by drill bit by the dust of drilling material production.
Be provided with in dust collect plant: run through portion, it is used to make described drill bit to pass; Dust collecting opening, it is used to attract dust and ambient air thereof from producing near the chisel edge; And ejiction opening, it is used for air is ejected near described passing this drill bit that runs through portion.And, make the amount of the air that attracts from this dust collecting opening more than the amount of the air that sprays from ejiction opening.For its ratio, if according to hole by various principal elements such as the diameter of the material of drilling material, drill bit, rotary speeies, determine that optimum value gets final product.
On the motor of boring bar tool, the control of dust fan can be set in addition, perhaps make existing cooling fan have this function concurrently.Utilize the revolving force of this fan, be formed for the air stream that attracts from dust collecting opening and be used for air to the ejiction opening ejection flowing the two and getting final product.Flexible pipeline is set in dust collect plant, and this flexible pipeline has: the path that arrives fan from dust collecting opening via dust-collecting filter; And the path that arrives ejiction opening from this fan.Two paths that are arranged in the flexible pipeline can coaxial shape or configuration side by side.The airborne part from dust collecting opening that is attracted by fan is back to ejiction opening, and remaining air is expelled to the outside of boring bar tool.Telescoping tube route standing part and telescopic section form, and install with the length direction almost parallel ground of described drill bit, can stretch in the longitudinal direction.
From the direction of the air stream of ejiction opening ejection can be direction towards the circumferencial direction central part of the portion of running through of dust collect plant, with the direction of the axial almost parallel of drill bit, perhaps uses this two kinds of directions simultaneously.
Flexible pipeline is connected with shell, and dust-collecting box is removably disposed on this shell, and strainer is removably mounted in the dust-collecting box.In addition, also can make dust collect plant integral body with respect to the boring bar tool detachable.
The described portion of running through is a cylindrical shape, the distolateral floodgate part that is provided with in the portion of running through, its to drill bit and run through air between the portion pass through limit.In addition, observe from the long axis direction of drill bit, near the path the portion of running through, the path that is connected with ejiction opening and the path that is connected with dust collecting opening configuration abreast on left and right directions.
The effect of invention
According to the present invention, because except the attraction mouth that attracts dust and air simultaneously, the ejection unit of ejection air also is set in the dust collect plant,, can also effectively prevents the external leaks of dust to dust collect plant so can carry out control of dust efficiently with less attraction.
Description of drawings
Fig. 1 is the sectional drawing of the related boring bar tool of the 1st embodiment of the present invention.
Fig. 2 is the overall diagram of the boring bar tool of Fig. 1.
Fig. 3 is the figure of boring action that is used for the boring bar tool of key diagram 1.
Fig. 4 is the part figure of the variation of expression the 1st embodiment of the present invention.
Fig. 5 is the sectional drawing of the related boring bar tool of the 2nd embodiment of the present invention.
Fig. 6 is the figure that is used for the flow direction of ejiction opening 10a, the dust collecting opening 10b of boring bar tool of key diagram 5 and air thereof.
Fig. 7 is the schematic diagram (longitudinal plan) that is used near the air stream the control of dust fan 14 of key diagram 5.
Fig. 8 is the schematic diagram (drawing in side sectional elevation) that is used near the air stream the control of dust fan 14 of key diagram 5.
Fig. 9 is the oblique view of detailed structure of the control of dust adapter 10 of presentation graphs 5.
Figure 10 is the sectional drawing of the A-A ' portion of Fig. 9.
Figure 11 is the sectional drawing of the B-B ' portion of Fig. 9.
Figure 12 is the sectional drawing of the C-C ' portion of Fig. 9.
Figure 13 is the lateral view of the boring bar tool of expression the 3rd embodiment of the present invention, and the section of control of dust part and motor portion only is shown.
Figure 14 is the lateral view of the related boring bar tool state in use of expression embodiments of the present invention, and the section of control of dust part and motor portion only is shown.
Figure 15 is the figure of the flow direction of air of control of dust adapter 110 that is used for illustrating the boring bar tool of Figure 13.
Figure 16 is the sectional drawing of the A-A portion of Figure 14.
Figure 17 is the concept map that is used to illustrate the position relation of air taking port 136 and the 1st and the 2nd outlet opening 135a, 135b.
Figure 18 is the sectional drawing of the control of dust fan portion of expression the 4th embodiment of the present invention.
Figure 19 is the concept map that is used to illustrate the position relation between the inwall 137 of control of dust fan 114 and shell.
Figure 20 is the partial enlarged drawing of position relation that is used to illustrate the guide part 138 of Figure 18.
The specific embodiment
Below, with reference to Fig. 1～Fig. 2, the boring bar tool that an embodiment of the invention are related is described.Fig. 1 is the part sectioned view of this boring bar tool, and Fig. 2 is its outside drawing.
Churn drill main body 1 has these 4 kinds of patterns of rotary impact pattern, rotary mode, conflicting model and neutral gear (neutral) pattern as pattern, has not shown beater mechanism portion, rotating actuator portion and switching mechanism portion in its shell 2.The rearward end of shell 2 (right part of Fig. 1) is provided with handle 3, and this handle 3 is provided with switch 4, is connected with the electric wire 5 of power supply usefulness simultaneously.Sidepiece at shell 2 is provided with the dial shape change-over switch 6 that is used for the pattern switching.Utilize change-over switch 6 can switch to above-mentioned four kinds of patterns.Leading section at shell is provided with instrument maintaining part 2a, on instrument maintaining part 2a drill bit 26 is installed, this drill bit 26 be hit power or revolving force or be subjected to simultaneously above-mentioned two kinds of power effect and to being carried out required operation by drilling material 8.
In to the bore operation that is undertaken by drilling material 8, the handle 3 of operator by controlling Churn drill 1 operated switch 4, and motor 18 driven, by transmitting the revolving force of motor 18, make the drill bit 26 on the leading section that is installed in Churn drill main body 1 be rotated impact.The handle 3 of operator by controlling Churn drill main body 1 to being pushed by the direction of drilling material 8, pulverized Churn drill 1 by drilling material 8 by drill bit 26, and form drawbore on by drilling material 8.
When the operation of rotary impact pattern, the dust that produces from the leading section 26a of drill bit 26, by the shape of the rotation of drill bit 26 and spire 26b and be directed to the inside of control of dust adapter 10, utilization is arranged on the attraction of the control of dust fan 14 on the axis of rotation 19 of motor 18, by air stream as shown by arrows, and guide to control of dust path 11 from dust collecting opening 10b, the strainers 13 that utilization is arranged in the dust-collecting box 12 on the shell 22 of dust collect plant make air and dust separation, and dust is housed in the dust-collecting box 12.Dust-collecting box 12 is removably mounted on the shell 22, when pulling down dust-collecting box 12, and can the dust that be housed in dust-collecting box 12 inside is discarded.
On the other hand, isolated air arrives control of dust fan 14 through air flue 15, and an airborne part that flows into control of dust fan 14 is discharged to the outside of Churn drill main body 1 from the 1st outlet opening 60 (Fig. 2), and remaining part flows into control of dust adapter 10 once more.Be described in detail this structure in the back.Leaked-in air is used to by the flowing of this air-flow, to the portion's of running through ejection air-flow of control of dust adapter once more.
As the power source that drives drill bit 26, motor 18 is set in the inside of Churn drill main body 1.When driving drill bit 26, motor 18 generates heat when being rotated.In order to suppress the heating of motor 18, on the axis of rotation 19 of motor 18, cooling fan 17 is set, utilizes the attraction of cooling fan 17, attract cooling air from the not shown cooling air intake that is arranged on the afterbody lid 16, shown in arrow, utilize cooling air that motor 18 is cooled off.After motor was cooled off, cooling air arrived cooling fan 17, and never illustrated outlet opening is expelled to the outside of Churn drill main body 1.
Control of dust adapter 10 is remained near the drill bit 26 by the sliding part 31 that is installed on the Churn drill main body 1, and is contacted by drilling material 8.Sliding part 31 has A/C 31a, sliding catheter 31b and spring 32, forms the control of dust path 11 that works as flexible pipeline thus.Because spring 32 is arranged between A/C 31a and the sliding catheter 31b, and to making their directions separated from one another carry out pretension, therefore the control of dust adapter 10 that will be connected with sliding catheter 31b is to by the direction pretension of drilling material 8.Sliding part 31 can be by the action of lock part 41 limit slippage conduit 31b, is fixed on arbitrarily on the telescopic location.
Carrying out with the rotary impact pattern under the situation of operation, when offering drawbore, along with the intensification of drawbore, Churn drill main body 1 is to being moved by the direction of drilling material 8.Control of dust adapter 10 constitutes, by being accompanied by Churn drill main body 1 to being moved by the direction of drilling material 8, spring 32 is compressed, the part of sliding catheter 31b enters the inside of A/C 31a, sliding part 31 is shunk, control of dust adapter 10 all the time with by drilling material 8 butts.At this moment, be held, control of dust adapter 10 is with respect to Churn drill main body 1 moving axially along drill bit 26 the length direction almost parallel of sliding part 31 and drill bit 26.As noted above, because the structure that the promptly flexible pipeline of sliding part 31 adopts telescopically to be provided with,, can carry out control of dust accordingly with the degree of depth of drawbore so can make the length on the length direction of sliding part 31 corresponding with the degree of depth of this drawbore.
Utilize the spiral structure 26b of drill bit 26, the dust that produces when making bore operation is to control of dust adapter 10 inner moving.Utilize control of dust fan 14, dust and air are moved to control of dust path 11 from control of dust adapter 10.Utilize the strainer 13 that is arranged in the dust-collecting box 12 then, dust is housed in dust-collecting box 12 inside, only make by the air after strainer 13 filtrations and move to air flue 15.In addition, though detailed structure is not illustrated, strainer 13 is removably mounted in the dust-collecting box 12.Therefore, also the bottom or the sidepiece of the shell 22 of dust collect plant can be constituted open state, perhaps constitute and to open and close.As noted above, make dust-collecting box 12 be removably mounted on structure on the dust collect plant owing to adopt, so can easily discard the dust that is housed in dust-collecting box 12 inside.In addition, strainer 13 is removably mounted in the dust-collecting box 12, therefore under situations such as for example strainer 13 obstructions, can easily changes strainer 13 owing to constitute.
Utilize control of dust fan 14, the part of air that moves to air flue is expelled to the main body outside via outlet opening 60 (Fig. 2), remaining is partly refluxed in the control of dust adapter 10.The air that refluxes moves to path of navigation 20.Path of navigation 20 is arranged on the upside of control of dust path 11 in the inside of sliding part 31.
By the air behind the path of navigation 20, pass through the end (main body 1 side) of control of dust adapter, and guide to the ejiction opening 10a on the top that is positioned at control of dust adapter 10.Ejiction opening 10a is formed on the control of dust adapter 10.Utilize this ejiction opening 10a, the air of cleaning is ejected to the front end of drill bit 26, and/or by near the drilling material 8.As noted above, owing to air-flow can be ejected near the front end of drill bit 26,, carry out control of dust with less attraction so can roll the dust of delay effectively, can also suppress the external leaks of dust to control of dust adapter 10.
In addition, owing to ejiction opening 10a is formed on the control of dust adapter 10, so do not need to append control of dust adapter other parts in addition as the ejection unit.In addition, because the air-flow that when ejection uses is to be formed by the control of dust fan 14 that is used for control of dust, so do not need to append new air-supply with air-supply arrangements such as fans.And, because the air that is used to spray is through the inside of the path of navigation 20 that is arranged on sliding part 31 inside, thus need not move for the air-flow of the air that is used in ejection, and new parts beyond the sliding part 31 are set.
As mentioned above, according to present embodiment, can suppress number of components increases, and can realize having the boring bar tool of cheap dust collect plant.
More than, the 1st embodiment of the present invention has been described, but this embodiment can carry out various application or distortion.Fig. 3 shows one of them and makes use-case.After having formed drawbore 8a, the operator temporarily extracts drill bit 26 from drawbore 8a.Then, make the ejiction opening 10a of control of dust adapter 10 approaching to drawbore 8a, make its central axis be positioned at drawbore 8a, the drive motor 18 if pass through console switch 4, then the air that sprays from ejiction opening 10a flows into the drawbore 8a inside of axially offering along drill bit 26, make residual dust from the inner ejection of drawbore 8a, and import control of dust path 11 from dust collecting opening 10b.Thus, can remove the inner residual dust of drawbore well.
Here, for the amount of the air that moves to dust-collecting box 12 with from the amount of the air of ejiction opening 10a ejection, if make the latter's amount can obtain good dust collecting effect more at least.Thus, can attract from the amount of roughly all air of ejiction opening 10a ejection from dust collecting opening 10b, and attract ambient air, therefore can prevent effectively that residual dust from spraying to the outside.
Fig. 4 is another variation.Ejiction opening 10a constitutes air is ejected near the 10d of the portion of running through of control of dust adapter 10 in Fig. 4.As noted above, if adopt air is ejected near the 10d of the portion of running through of control of dust adapter 10 structure, then can suppress dust and near running through the 10d of portion, leak.
Below, use Fig. 5 to Figure 12, the boring bar tool of representative the 2nd embodiment of the present invention is described.Fig. 5 represents to have the overall diagram of the boring bar tool of dust collect plant.In addition, for the part identical mark with Fig. 1 identical with reference to label, omit repeat specification for same section.
In shell 2, contain motor part, cylinder portion, handle portion and transmission drive division.Be housed in the shell 2 as the motor 18 of drive source state with vertical placement.In addition, formed pinion 38 in the upper end of extended output shaft (motor reel) 19 above this motor 18.Output shaft 19 across motor 18, bent axle 39 is vertical respectively with jackshaft 40 and rotatably be supported on both sides, on each medium height position of above-mentioned bent axle 39 and jackshaft 40, be fastened with gear respectively, said gear and the above-mentioned pinion that forms in the end of above-mentioned motor reel 18.
At the upper water level land of shell 2 configuration cylinder 36, its axial both ends are rotatably supported by ball bearing 41 and metal bearing 42, setting-in piston 43 and impulse member 44 slidably in the inside of this cylinder 36.Piston 43 links via the crankpin of connecting rod 45 with bent axle 39, and an end of connecting rod 45 links via piston pin and piston 43.
The rotation of bent axle 39 is transformed to the linear reciprocating motion of the fore-and-aft direction in the cylinder 36 of piston 43 by crankpin and connecting rod 45, because the reciprocating motion of piston 43 changes the interior pressure of air chamber, so by the variation of pressing in this, make impulse member 44 in cylinder 36, carry out the reciprocating motion of fore-and-aft direction and intermittently with middleware 46 collision, thereby transmit impact forces from middleware 46 to drill bit 26.
The gear of above-mentioned explanation, bent axle 39, connecting rod 45, cylinder 36, piston 43, impulse member 44 and middleware 46 etc. constitute beater mechanism portion, utilize this beater mechanism portion with the rotation transformation of the output shaft 19 of motor 18 reciprocating motion, and apply impact force to drill bit 26 for piston 43.The simple rotation of drill bit 26 is will be passed to cylinder 36 from the revolving force that jackshaft 40 transmission is come and form, and comprises jackshaft 40 and constitutes rotating actuator portion at interior rotating part.Can be simultaneously or optionally portion of impact mechanism and rotating actuator portion drive, their a whole or part is configured for making the transmission drive division of drill bit rotation.
Be the configuration of the path in the sliding part 31 that constitutes by A/C 31a and sliding catheter 31b with the difference of Fig. 1 maximum among Fig. 5.Be to form control of dust path 11 and path of navigation 20 equally among Fig. 5 in the inside of sliding part 31, but their position difference.In Fig. 1, two paths as shown in the drawing dispose on above-below direction, but then are to dispose with concentric circles (control of dust path 11 is positioned at all sides, and path of navigation 20 is positioned at outer circumferential side) in Fig. 5.In addition, omitted the cooling fan of motor 18 among Fig. 5, only control of dust fan 14 is connected with motor.In addition, from air flow circuit 15 to control of dust fan 14, the configuration difference of the path of path of navigation 20, but no matter be Fig. 1 or Fig. 5, its substantial effect does not change.
Fig. 6 is the figure that is used for the flow direction of ejiction opening 10a, the dust collecting opening 10b of boring bar tool of key diagram 5 and air thereof.The air of discharging from ejiction opening 10a, by cover ejiction opening 10a axially on turned to by drilling material 8, and flow to the direction (that is the below of Fig. 6) of drill bit 26.Owing to have bigger dust collecting opening 10b, so generation or rolled-up dust are attracted by dust collecting opening 10b control of dust adapter 10 at its downside.For both flows of air, for example soakage is 0.3m
3/ minute, spray volume is 0.04m
3/ minute, its ratio is 15:2.Along with boring by the difference of various key factors such as the diameter of the material of drilling material 8, drill bit, rotary speed, the optimum value difference of this ratio, but with regard to its common ground, as long as make the air mass flow that attracts from dust collecting opening 10b greater than air mass flow, just can prevent the leakage of dust effectively from ejiction opening 10a ejection.This ratio can be set at, for example soakage: spray volume is the ratio about 30:1～1:1.
Fig. 7, Fig. 8 are the figure that is used to illustrate near the flow direction of the air the control of dust fan 14, and Fig. 7 is a longitudinal plan, and Fig. 8 is a drawing in side sectional elevation, for convenience of explanation, the part is shown schematically in two figure.In Fig. 7, control of dust fan 14 is centrifugal fans, attracts the air of the cleaning that imports from air flow circuit 15 from the upper surface of control of dust fan 14, and discharges to peripheral direction.An airborne part of discharging is directed in the path of navigation 20.Fig. 8 is its drawing in side sectional elevation, flows through the air of control of dust path 11 and flows to the direction (side direction in the paper of Fig. 8) of strainer 13.In addition, through the air of strainer 13, flow into via the top (the paper outside of Fig. 8) of air flow circuit 15 from control of dust fan 14, a part is directed in the path of navigation 20 along the flow direction of arrow 81, remaining part is discharged to the outside of shell 2 from outlet opening 60 shown in arrow 82.As noted above, distribute by discharge subject side control of dust fan 14, can determine the amount of the air that attracts from dust collecting opening 10b and from the ratio of the amount of the air of ejiction opening 10a ejection.In addition,, make the variable open area of outlet opening 60, then can at random change the ratio of above-mentioned air capacity if not shown floodgate part is set in the exit of outlet opening 60.
Below, use Fig. 9～Figure 12, the concrete structure of the control of dust adapter 10 in the key diagram 5.Fig. 9 is an oblique view of observing control of dust adapter 10 from drill bit 26 inserting sides.One distolateral (Churn drill main body 1 side) in the portion of running through of control of dust adapter 10 is provided with floodgate part 51, its to above-mentioned drill bit and above-mentioned run through air between the portion pass through limit.The material of floodgate part 51 is a rubber for example.But be not limited thereto, so long as have elasticity, also do not hinder it to rotate even contact, and be difficult to get final product because of the material that contact is worn and torn with the drill bit 26 of rotation at a high speed.Floodgate part 51 is to be made of 10 plate sheets that along the circumferential direction extend, and has the such shape of shutter part.At the central part of floodgate part 51, form hole 50 coaxially with drill bit 26.The size in preferred hole 50 is the degree of being a bit larger tham drill bit 26.As noted above, because the portion of running through is cylindrical shape, and constitutes in one of the portion of running through and distolaterally be provided with drill bit and run through the floodgate part that passes through to limit of the air between the portion, therefore can suppress the end leakage of dust from the portion of running through.
Figure 10 is the sectional drawing of the A-A ' portion of presentation graphs 9.Be formed for discharging the cylindrical shape ejiction opening 10a of the air that is ejected on control of dust adapter 10, the direction shown in arrow among the figure 53 is to the air channeling conduct.In order to form the air stream of (direction) downwards in the arrow 53, breach is set at the fore-end downside (the left end downside of Figure 10) of ejiction opening 10a towards the circumferencial direction center of the portion of running through.Front end peripheral part in the portion of running through 57 is provided with sealing 29.Control of dust adapter 10 can be formed by a plurality of plastic components, but is not limited to this, also can make most of parts one-body molded, can also be made by other material.As noted above, owing to have ejiction opening 10a, form breach at its fore-end downside, so the air from ejiction opening is sprayed to the direction of drill bit 26, blow afloat attached near the dust the drill bit 26, can carry out control of dust efficiently.
Figure 11 is the figure of section of the B-B ' portion of presentation graphs 9.Whether in Figure 11, floodgate part 51 is the double-deckers with big restriction and little restriction, can arbitrary decision and constitute like this.The air of the cleaning that imports from path of navigation 20 flows and is directed to ejiction opening 10a to the direction of arrow 55.The air that contains dust that attracts from dust collecting opening 10b flows to the direction of arrow 54, and is directed to control of dust path 11.As noted above, end on observation from drill bit 26, if not with control of dust path 11 and path of navigation 20 front and back (configuration shown in Figure 1) configuration, but dispose as shown in figure 11, then can make the thickness (part shown in the 37a among Fig. 5) of control of dust adapter 10 thinner.If the method for ground configuration before and after adopting as shown in Figure 1, be difficult to sometimes to suck and the via configuration of ejection for enough wide, but if the configuration of Figure 11, then be easy to guarantee the capacity of path.
In addition, if with the thickness of the control of dust adapter 10 shown in the 37a among Fig. 5, be made as thinlyyer than the thickness that does not form the part of spiral on the drill bit (part shown in the 37b among Fig. 5), then can not cause obstruction by control of dust adapter 10, can get out darker hole, so operation improves.
Figure 12 is the figure of section of the C-C ' portion of presentation graphs 9.From this figure as can be known, path of navigation 20 is formed on the columnar outer circumferential side that runs through portion 57.
More than, describe the present invention according to the 1st and the 2nd embodiment, but be not limited thereto, can in the scope that does not break away from its thought, carry out various distortion.For example, the control of dust path 11 in the sliding part 31 and the configuration of path of navigation 20, with and the shape of sectional area, can at random set.And, also can path of navigation 20 be arranged on the inside of sliding part 31, but constitute path of navigation 20 dividually with sliding part 31.
And, adopted the structure of creeping into the row power supply by electric wire 5 impact in the present embodiment, but also can be the structure of utilizing chargeable rechargeable battery, solar cell and fuel cell etc. to power.In addition, in the present embodiment, be that example is illustrated boring bar tool with the Churn drill, even but be the structure that hammer drill, hole drill, vibration bore and bottle opener bores (driver drill) etc. for other boring bar tool, also can obtain identical effect.
And, adopted in the present invention and used the structure of Motor Drive control of dust with fan, but under the situation of the boring bar tool that uses internal combustion engine, also can utilize its power that fan is rotated, can also utilize the electric power that produces by the internal combustion engine generating that electric fan is rotated.
Below, with reference to Figure 13～Figure 15, the related boring bar tool of the 3rd embodiment of the present invention is described.Figure 13 is the lateral view of boring bar tool of expression the 3rd embodiment of the present invention, and Figure 14 is the lateral view of its state when using of expression, and Figure 15 is the figure of the flow direction that is used for illustrating the air of control of dust adapter 110.
Churn drill main body 101 has these four kinds of patterns of rotary impact pattern, rotary mode, conflicting model and neutral mode or wherein a certain pattern as pattern, built-in drive division, beater mechanism portion, rotating actuator portion and the switching mechanism portion that is made of motor 118 in its shell 102.In addition, the rearward end at shell 102 (defines front and back, above-below direction in this manual, as shown in figure 13.Below identical) handle 103 is set, on this handle 103, power switch 104 is set, this handle 103 is connected with power consumption line 105 simultaneously.At the sidepiece of shell 102, be provided for the dial shape switching part 106 that pattern is switched rotationally.In addition, front end tool 126 is installed, this front end tool 126 withstand shocks power or revolving force or bear above-mentioned two kinds of power simultaneously and to being carried out required operation by drilling material 108 at the leading section of Churn drill 101.
In Churn drill main body 101, the dust that produces when carrying out operation under the rotary impact pattern of pattern, rotary mode carries out the operation of control of dust with reference to Figure 13 explanation.In by the bore operation of drilling material 108, the handle 103 of operator by controlling Churn drill 101, power switch 104 is operated, and motor 118 is driven, make the front end tool 126 on the leading section that is installed in Churn drill main body 101 be rotated impact based on the driving force of motor 118.The handle 103 of operator by controlling Churn drill main body 101 to being pushed by the direction of drilling material 108, will be pulverized Churn drill 101 by drilling material 108 by front end tool 126, and form drawbore on by drilling material 108.
On the other hand, isolated pure air arrives the axial intake (not shown) of control of dust fan 114 through air flue 115, utilize control of dust fan 114, portion of air is refluxed to control of dust adapter 110, remaining part is discharged to the outside of Churn drill main body 101 from outlet opening.Narrate near the structure this control of dust fan 114 in the back.
In Churn drill main body 101 inside, the power source as driving front end tool 126 is arranged on motor 118 in the one-piece type shell 102.When driving front end tool 126, motor 118 generates heat when being rotated.In order to suppress the heating of motor 118, on the axis of rotation 119 of motor 118, cooling fan 117 is set, utilize the attraction of cooling fan 117, attract cooling air from the not shown cooling air intake that is arranged on the afterbody lid 116, shown in arrow, cooling air is cooled off to motor 118.After motor was cooled off, cooling air arrived cooling fan 117, and never illustrated outlet opening is to Churn drill main body 101 outside discharges.
Control of dust adapter 110 is kept by the sliding part 131 that is installed on the Churn drill main body 101, spring 132 and telescopic dust stream 111 are set in the inside of sliding part 131, utilize the structure of spring 132 and sliding part 131, with control of dust adapter 110 to by the direction pretension of drilling material 108.When forming the operation of drawbore, along with the intensification of drawbore, Churn drill main body 101 is gradually to being moved by the direction of drilling material 108.Control of dust adapter 110 by spring 132 to by the direction pretension of drilling material 108, but when holing, along with Churn drill main body 101 to being moved by the direction of drilling material 108, spring 132 is compressed, sliding part 131 shrinks, thereby control of dust adapter 110 is contacted all the time with by drilling material 108, and keep constant position relation.Sliding part 131 is made of two parts, enters the inside of another parts by making parts, and the length of sliding part 131 is shunk.As noted above, owing to sliding part 131 can stretch, so can carry out control of dust accordingly with the degree of depth of drawbore.In addition, can to utilize lock part 141 to make at an arbitrary position Telescopic Fixed for sliding part 131.
Utilize the spiral structure of front end tool 126, the dust that produces when making bore operation utilizes the attraction of control of dust fan 114 to control of dust adapter 110 inner moving, and attracts this dust with air from attracting a mouthful 110b.As shown in figure 15, when bore operation,, near drawbore, generate air-flow, can realize the raising of control of dust ability thus by being delivered to control of dust adapter 110 inside from the air of the ejiction opening 110a ejection that is used to spray air.The air capacity of ejection is lacked than the air capacity that is attracted and is got final product.This is in order to attract ambient air near the through hole (hole that front end tool 126 is run through) of control of dust adapter 110, by attracting ambient air, can to prevent well that dust from dispersing towards periphery.
After bore operation finishes, tend at the inner residual a part of dust of drawbore.Therefore, the operator as shown in figure 14, after forming drawbore, the ejiction opening 110a by making control of dust adapter 110 power switch 104 is operated, thereby drive motor 118 is rotated control of dust fan 114 near drawbore.At this moment, front end tool 126 is rotation together also, but since its leading section 126a not and contacted by drilling material 8, so can not damage by drilling material 108.Length setting during preferably with the maximum elongation of sliding part 131 is to make leading section 126a and become contactless state as shown in figure 14 by the position of drilling material 108 relation.
The flow direction of the air of Churn drill main body 101 inside is that from air flue 115 arrival control of dust fans 114, never illustrated outlet opening is to Churn drill main body 101 outside discharges, and is wherein a part of simultaneously to 110 backflows of control of dust adapter.
Below, use Figure 16～Figure 17 describes near the structure the control of dust fan 114 in detail.Figure 16 is the sectional drawing of the A-A portion of Figure 14.Control of dust fan 114 is centrifugal fans, will introduce from air flue 115 leaked-in airs from the intake (not shown) that forms vertically and attract, and utilizes the revolving force of blade to blow to circumferencial direction.The air sent stream for example is that the direction along the arrow 151 of Figure 16 forms, and its major part flows to direction shown in the arrow 152 from air taking port 136, and is delivered to control of dust adapter 110 via guiding stream 120.Remaining air stream the 1st outlet opening 135a and the 2nd outlet opening 135b from forming at shell 102a discharges to the outside shown in arrow 153,154.Here, in the present embodiment, shell 102a is the part of the shell 102 of Churn drill main body 101, is integrated plastic products.
The air that flows into air taking port 136 flows into control of dust adapter 110 via guiding stream 120.Guiding stream 120 constitutes, and is positioned at the side of dust stream 111 near the air taking port 136 of Figure 16, but then is positioned at the upside of dust stream 111 in sliding part 131.But be not limited to this configuration, also can dust stream 111 be disposed at the inboard, will guide stream 120 to be disposed at the outside with coaxial shape.
In Figure 16, on the direction of rotation (being clockwise direction in the drawings) of control of dust fan 114, two outlet openings are set, the 1st outlet opening 135a and the 2nd outlet opening 135b are configured in the rear of air taking port 136.Here, so-called the place ahead is meant following position, that is, shown in the concept map of Figure 17, drawing under the situation of line of reference 157 to the central point 160 of fan from air taking port 136, observes the position of the direction of representing with arrow 155 from air taking port 136.Similarly, so-called rear is meant the position of observing the direction of representing with arrow 156 from air taking port 136.In addition, if the direction of rotation of control of dust fan 114 is opposite with diagram, should be noted that then the place ahead and rear become oppositely.
According to the definition of Figure 17, the 1st outlet opening 135a and the 2nd outlet opening 135b all are positioned at the rear from air taking port 136 observations.Shown in the related control of dust fan 114 of present embodiment, for the fan that generates air current flow by revolving force, the opening that is positioned at the forefront is a high pressure.Owing to be used to make air-flow to flow into path complex-shaped of control of dust adapter 110,,, need higher pressure in order to blow efficiently so flow into the resistance height.Therefore,, air taking port 136 is arranged on the place ahead of outlet opening 135, can makes air-flow flow into control of dust adapter 110 the most efficiently by on the direction of rotation of control of dust fan 114.
Below, use Figure 18～Figure 20, the 4th embodiment of the present invention is described.Figure 18 is the sectional drawing of control of dust fan portion of expression the 4th embodiment of the present invention, and Figure 19 is the concept map that is used to illustrate the position relation between the inwall 137 of control of dust fan 114 and shell, and Figure 20 is the enlarged drawing that is used to illustrate the position relation of guide part 138.
According to Figure 18 as can be known, along with forwards or the rear away from air taking port 136, the distance between the outer circumference end of inwall 137a and control of dust fan 114 becomes near gradually.Use the concept map of Figure 19 to further specify this state.In Figure 19, in order to understand position relation and to draw line of reference 157 and boost line 158, wherein, line of reference 157 pass from air taking port 136 shell inwall central point 161 and extend to opposition side, boost line 158 and these line of reference 157 quadratures are passed central point 161.The central point 160 of control of dust fan 114 departs from the central point 161 of the inwall of shell.
If will be defined as (I), (II), (III), (IV) as shown in figure 19 by the zone of line of reference 157 and boost line 158 divisions, then air taking port 136 forms in zone (I), (II).The 1st outlet opening 135a forms in zone (III).The 2nd outlet opening 135b forms in zone (IV).By such configuration, can make the feed pressure that flows into to air taking port 136 become high pressure, flow velocity is accelerated, flow increases, and can make air-flow flow into control of dust adapter 110 efficiently.But, get final product so consider that these factors are set because above-mentioned relation is subjected to the influence of other factorses such as height of the above-below direction of air taking port or outlet opening.
In addition, in the 4th embodiment,, also form the outstanding guide part 138 of center position of oriented centrifugal fan in abutting connection with ground with the downstream of air taking port 136 as the means that are used to improve feed pressure.Use Figure 20 that its detailed structure is described.Figure 20 is the partial enlarged drawing of position relation that is used to illustrate the guide part 138 of Figure 18.
In Figure 20,, draw the line of reference of representing with chain-dotted line 139 for the position of circle tube inner wall that shell is shown.Compare as can be known by the outstanding state with this line of reference 139 and guide part 138, the inner wall section in the downstream of air taking port 136 forms with distance B to the outstanding guide part 138 of the center position of centrifugal fan.As noted above, by constituting guide part 138, make direction flow air stream and guide part 138 collisions, and its major part is guided to the direction of air taking port 136 along arrow 155.Its result, not only make the flow that flows to air taking port 136 increase this moment, and can obtain blast pressure is uprised, the effect that flow velocity is accelerated.
As seen from the above description, according to the present invention, owing near can guarantee fully drawbore, to send air current flow, the dust catching efficiency of the dust that produces when improving bore operation, remove the performance that remains in the dust in the drawbore after improving bore operation simultaneously, so can improve operation field and operator's environment.
In addition, according to the present invention, in having the boring bar tool of dust collect plant, obtain using a centrifugal fan to carry out the effect of control of dust and air-supply efficiently, wherein, this dust collect plant is provided with: attract mouth, it attracts dust and air simultaneously; And ejiction opening, it sprays air.
More than, be illustrated according to the expression embodiments of the present invention, but the present invention is not limited to aforesaid way, can carry out various changes in the scope that does not break away from this thought.
For example, the boring bar tool that uses motor has been described in the present invention, but its drive source is not limited only to motor, also can be used to use internal combustion engine or compressed-air actuated boring bar tool.In addition, for control of dust fan 114 and cooling fan 117, also can not adopt separation type, and adopt one-piece type.In the case, also the air from the outlet opening of control of dust fan can be delivered to motor 118.
Claims (17)
1. boring bar tool, it has:
Motor;
The transmission drive division, the revolving force that it transmits this motor is rotated drill bit; And
Dust collect plant, it is to being carried out control of dust from what holed by described drill bit by the dust of drilling material production,
It is characterized in that,
Be provided with in the described dust collect plant: run through portion, it is used to make described drill bit to pass; Dust collecting opening, it is used to attract the dust and the ambient air thereof of described generation; And ejiction opening, it is used for air is ejected near described passing this drill bit that runs through portion.
2. boring bar tool according to claim 1 is characterized in that,
The amount of the air that attracts from the described dust collecting opening of described dust collect plant is more than or equal to the amount from the air of described ejiction opening ejection.
3. boring bar tool according to claim 2 is characterized in that,
On described motor fan is set, utilizes the revolving force of described fan to carry out the supply of air stream, this air stream is meant and is used for the air stream that attracts from described dust collecting opening and is used for air stream to described ejiction opening ejection.
4. boring bar tool according to claim 3 is characterized in that,
Described dust collect plant has flexible pipeline, and this flexible pipeline has: the path that arrives described fan from described dust collecting opening via dust-collecting filter; And the path that arrives described ejiction opening from described fan.
5. boring bar tool according to claim 4 is characterized in that,
The airborne part from described dust collecting opening that is attracted by described fan is back to described ejiction opening, and remaining air is expelled to the outside.
6. boring bar tool according to claim 5 is characterized in that,
Described telescoping tube route standing part and telescopic section form, and the length direction almost parallel ground of described flexible pipeline and described drill bit is installed, and can stretch in the longitudinal direction.
7. boring bar tool according to claim 6 is characterized in that,
The direction that the air that sprays from described ejiction opening flows is the direction towards the circumferencial direction central part of the portion of running through of described dust collect plant.
8. boring bar tool according to claim 6 is characterized in that,
From the direction of the air stream of described ejiction opening ejection be, in the direction with the axial almost parallel of drill bit of running through in the portion of described dust collect plant.
9. according to claim 7 or 8 described boring bar tools, it is characterized in that,
Described dust collect plant has the shell that is connected with described flexible pipeline, and strainer removably is installed in this shell.
10. boring bar tool according to claim 9 is characterized in that,
Described dust collect plant is with respect to described boring bar tool detachable.
11. boring bar tool according to claim 10 is characterized in that,
The described portion of running through is a cylindrical shape, runs through a distolateral floodgate part that is provided with of portion at this, its to described drill bit and described run through air between the portion pass through limit.
12. boring bar tool according to claim 1 is characterized in that,
Described dust collecting opening and described ejiction opening are arranged on and make the position of described drill bit between described dust collecting opening and described ejiction opening in described dust collect plant.
13. boring bar tool according to claim 4 is characterized in that,
Described dust collect plant has the control of dust adapter, its leading section at described flexible pipeline forms the described portion of running through, in this control of dust adapter, observe the path that is connected with described ejiction opening and the path that is connected with described dust collecting opening configuration abreast on left and right directions from the long axis direction of described drill bit.
14. a boring bar tool, it is by making drill bit and be rotated or impact, and holes on by the drilling material,
It is characterized in that having:
Dust collect plant, the periphery that it covers the leading section of described drill bit has dust collecting opening and ejiction opening, and this dust collecting opening is used for attracting simultaneously dust and air, and this ejiction opening is ejected to air near the front end of drill bit;
Dust-collecting box, its storage attracts the dust of coming by described dust collecting opening; And
Fan unit, it produces the air stream of described attraction and discharge.
15. boring bar tool according to claim 14 is characterized in that,
The air mass flow that attracts from described dust collect plant is greater than the air mass flow of discharging.
16. boring bar tool according to claim 14 is characterized in that,
Described drill bit drives by motor, and described fan unit is rotated by described motor.
17. a boring bar tool, it has:
Motor;
The transmission drive division, the revolving force that it transmits this motor is rotated drill bit; And
Dust collect plant, it is to being carried out control of dust from what holed by described drill bit by the dust of drilling material production,
It is characterized in that,
Be provided with ejiction opening in described dust collect plant, it is used for the axial ejection air along described drill bit.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-316696 | 2007-12-07 | ||
| JP2007316696A JP5212778B2 (en) | 2007-12-07 | 2007-12-07 | Drilling tool with dust collector |
| JP2007316696 | 2007-12-07 | ||
| JP2008087292A JP4986073B2 (en) | 2008-03-28 | 2008-03-28 | Drilling tool |
| JP2008087292 | 2008-03-28 | ||
| JP2008-087292 | 2008-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101451424A true CN101451424A (en) | 2009-06-10 |
| CN101451424B CN101451424B (en) | 2013-06-19 |
Family
ID=40733881
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810184540 Expired - Fee Related CN101451424B (en) | 2007-12-07 | 2008-12-08 | Drilling tool with dust collector |
| CN 200810184539 Expired - Fee Related CN101451423B (en) | 2007-12-07 | 2008-12-08 | Drilling tool with dust collector |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810184539 Expired - Fee Related CN101451423B (en) | 2007-12-07 | 2008-12-08 | Drilling tool with dust collector |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5212778B2 (en) |
| CN (2) | CN101451424B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973021A (en) * | 2010-11-29 | 2011-02-16 | 向广宏 | Dust exhaust apparatus of electric hammer |
| CN106584371A (en) * | 2016-11-08 | 2017-04-26 | 浙江亚特电器有限公司 | Dust collecting device for electric tool |
| CN108883525A (en) * | 2016-02-26 | 2018-11-23 | 工机控股株式会社 | Power tool |
| CN109746875A (en) * | 2019-03-13 | 2019-05-14 | 河源富马硬质合金股份有限公司 | A kind of hard alloy cross-shaped impact drill mold with chip space |
| CN111497032A (en) * | 2020-04-01 | 2020-08-07 | 南京航空航天大学 | Drilling dust collection device of axial-flow type cyclone separation |
| CN116984945A (en) * | 2023-09-27 | 2023-11-03 | 中北大学 | Air self-cooling gun drill processingequipment |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011020238A (en) * | 2009-07-17 | 2011-02-03 | Hitachi Koki Co Ltd | Boring tool |
| JP5394852B2 (en) * | 2009-08-17 | 2014-01-22 | 株式会社ホリ・コン | Electric drill guide attachment and drilling device equipped with the same |
| JP5502458B2 (en) * | 2009-12-25 | 2014-05-28 | 株式会社マキタ | Impact tool |
| CN101733441B (en) * | 2010-02-06 | 2011-06-22 | 乐清市华东仪表厂 | Numerical control high-effective deep hole gun drill |
| JP2011189484A (en) * | 2010-03-16 | 2011-09-29 | Makita Corp | Dust collector and power tool with dust collector |
| JP5706662B2 (en) * | 2010-10-25 | 2015-04-22 | ホーコス株式会社 | Cutting method of composite material and chip disposal apparatus |
| DE102010063515A1 (en) * | 2010-12-20 | 2012-06-21 | Hilti Aktiengesellschaft | Suction module and hand tool with suction module |
| US9056379B2 (en) * | 2011-09-07 | 2015-06-16 | Makita Corporation | Power tool dust collecting device and power tool |
| CN103182702A (en) * | 2011-12-30 | 2013-07-03 | 博世电动工具（中国）有限公司 | Dust collector for electric tool and electric tool with dust collector |
| CN104070504B (en) * | 2013-03-30 | 2017-06-16 | 苏州宝时得电动工具有限公司 | Electric hammer dust blower |
| TW201501881A (en) * | 2013-07-03 | 2015-01-16 | Sinews W & H Co Ltd | Electric/pneumatic drill device with clamping and fixing rod to provide reactive force |
| CN103912227B (en) * | 2014-02-18 | 2017-06-23 | 曹广宇 | Drilling connects powder device |
| CN104589518B (en) * | 2015-01-15 | 2016-05-11 | 江苏师范大学 | A kind of full automatic drilling rig for metope drilling construction |
| CN104552619A (en) * | 2015-01-22 | 2015-04-29 | 张斐斐 | Tapping machine |
| CN107053098A (en) * | 2016-01-20 | 2017-08-18 | 株式会社牧田 | Electric tool dust collect plant and electric tool, dust-precipitating system |
| CN105690333A (en) * | 2016-03-11 | 2016-06-22 | 无锡建凌电器有限公司 | Wall perforating device capable of removing dust |
| CN107775432A (en) * | 2016-08-31 | 2018-03-09 | 巩义市巧匠人机械设备制造有限公司 | A kind of drilling Chou Chen mechanisms |
| CN107116253A (en) * | 2017-05-14 | 2017-09-01 | 合肥鼎鑫模具有限公司 | A kind of mould processing drilling machine |
| CN106938403B (en) * | 2017-05-16 | 2018-11-27 | 中国五冶集团有限公司 | Auxiliary drilling tool for hangs muscle installation procedure |
| JP6927808B2 (en) * | 2017-08-31 | 2021-09-01 | 株式会社マキタ | Dust collector for power tools and power tools |
| KR200488925Y1 (en) * | 2017-09-07 | 2019-04-04 | 노태호 | Scatter prevention cover for hammer drill |
| JP7007848B2 (en) * | 2017-09-28 | 2022-01-25 | 株式会社マキタ | Dust collector |
| US10864609B2 (en) * | 2017-09-28 | 2020-12-15 | Makita Corporation | Dust collector |
| CN108247861A (en) * | 2018-01-30 | 2018-07-06 | 重庆周全装饰工程有限公司 | A kind of finishing auxiliary device |
| JP7183097B2 (en) * | 2019-03-26 | 2022-12-05 | 株式会社マキタ | Power tool dust collection system |
| CN110091437A (en) * | 2019-06-11 | 2019-08-06 | 倪军 | A kind of negtive pressure dusting electric drill |
| CN112621352B (en) * | 2020-12-07 | 2023-01-06 | 湖南昱量升机械有限责任公司 | Machine tool cleaning device |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0632248Y2 (en) * | 1988-09-14 | 1994-08-24 | 日立工機株式会社 | Perforator dust collector |
| JPH0512059U (en) * | 1991-07-25 | 1993-02-19 | 積水化学工業株式会社 | Dust-proof electric drill device |
| JPH0755404B2 (en) * | 1992-12-14 | 1995-06-14 | 富士重工業株式会社 | Cooling dust collector for punching machine |
| JPH06190679A (en) * | 1992-12-25 | 1994-07-12 | Isobe Tekkosho:Kk | Cutting machine |
| DE4335417B4 (en) * | 1993-10-18 | 2006-11-30 | Hilti Ag | Suction device of a drilling or chiseling device |
| JPH09262710A (en) * | 1996-03-28 | 1997-10-07 | Nippon Mektron Ltd | Apparatus for preventing cutting chipps from adhering to drill shank |
| CN2491179Y (en) * | 2001-05-25 | 2002-05-15 | 王茂生 | Electric tool dust collector |
| JP2005028471A (en) * | 2003-07-08 | 2005-02-03 | Sato Tekko Co Ltd | Method of recovering chip of toxic contaminant |
| JP2005131716A (en) * | 2003-10-28 | 2005-05-26 | Canon Electronics Inc | Cutting work device |
| DE102004035875B3 (en) * | 2004-07-23 | 2005-12-22 | Hilti Ag | Drill apparatus for mineral materials, has air guide system, particle separator, and air generator supported on drill device to form hand-held unit |
| DE102004045625A1 (en) * | 2004-09-21 | 2006-04-06 | Robert Bosch Gmbh | Suction cleaner for hand tools has cool air fan integrated in machine housing with a turbine wheel in driving connection with ventilator wheel of suction fan to be driven by emerging cool air stream |
| JP2006088285A (en) * | 2004-09-27 | 2006-04-06 | Hitachi Koki Co Ltd | Drilling device |
| CN2770891Y (en) * | 2004-12-28 | 2006-04-12 | 罗雪松 | Electric drill dust collecting device |
-
2007
- 2007-12-07 JP JP2007316696A patent/JP5212778B2/en not_active Expired - Fee Related
-
2008
- 2008-12-08 CN CN 200810184540 patent/CN101451424B/en not_active Expired - Fee Related
- 2008-12-08 CN CN 200810184539 patent/CN101451423B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973021A (en) * | 2010-11-29 | 2011-02-16 | 向广宏 | Dust exhaust apparatus of electric hammer |
| CN108883525A (en) * | 2016-02-26 | 2018-11-23 | 工机控股株式会社 | Power tool |
| US11020846B2 (en) | 2016-02-26 | 2021-06-01 | Koki Holdings Co., Ltd. | Work tool |
| CN108883525B (en) * | 2016-02-26 | 2022-02-01 | 工机控股株式会社 | Working tool |
| CN106584371A (en) * | 2016-11-08 | 2017-04-26 | 浙江亚特电器有限公司 | Dust collecting device for electric tool |
| CN106584371B (en) * | 2016-11-08 | 2023-11-14 | 浙江亚特电器股份有限公司 | Dust collecting device of electric tool |
| CN109746875A (en) * | 2019-03-13 | 2019-05-14 | 河源富马硬质合金股份有限公司 | A kind of hard alloy cross-shaped impact drill mold with chip space |
| CN111497032A (en) * | 2020-04-01 | 2020-08-07 | 南京航空航天大学 | Drilling dust collection device of axial-flow type cyclone separation |
| CN116984945A (en) * | 2023-09-27 | 2023-11-03 | 中北大学 | Air self-cooling gun drill processingequipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101451424B (en) | 2013-06-19 |
| JP2009136971A (en) | 2009-06-25 |
| CN101451423B (en) | 2013-01-02 |
| CN101451423A (en) | 2009-06-10 |
| JP5212778B2 (en) | 2013-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101451423B (en) | Drilling tool with dust collector | |
| EP2067553B1 (en) | Drilling tool with dust collector | |
| CN101184592B (en) | Dust collection cover attachable to cutter | |
| AU2018404625B2 (en) | Mining drill and dust suction cover therefor, and dust removal device | |
| US11904424B2 (en) | Dust extractor with flat back | |
| DE202012012814U1 (en) | Liquid suction device for removing and absorbing liquids | |
| CN112979110A (en) | Movable easy-to-dismount cleaning type sludge low-temperature drying machine | |
| DE102004045625A1 (en) | Suction cleaner for hand tools has cool air fan integrated in machine housing with a turbine wheel in driving connection with ventilator wheel of suction fan to be driven by emerging cool air stream | |
| CN109186031A (en) | A kind of subway work ventilation refrigerating plant | |
| JP4986073B2 (en) | Drilling tool | |
| JP2004106163A (en) | Dust collector | |
| CN217248137U (en) | Blowing equipment is used in compound fertilizer production | |
| CN108811698B (en) | Weeding device for gardens | |
| JP2009202256A (en) | Boring tool | |
| CN113663984B (en) | European style integrated automatic dust removal and suction machine | |
| JP3542788B2 (en) | Flow path structure of vacuum cleaner | |
| CN216481717U (en) | Refrigerant and refrigerant separation and purification device convenient to clean | |
| CN102672687A (en) | Multifunction swinging tool | |
| CN106667369A (en) | Dust collector suitable for power tool | |
| US20240016353A1 (en) | Suction and separation composite tube, and suction cleaning machine and harvesting machine using same | |
| CN202480070U (en) | Multifunctional swinging tool | |
| JP3877734B2 (en) | Dust collection method and dust collection apparatus | |
| CN116427246A (en) | Vibration crushing device for removing pavement markings | |
| CN116474427A (en) | Transmission mechanism of concentrating and stirring integrated machine | |
| KR100375625B1 (en) | The flow system of vacuum cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20151208 |
|
| EXPY | Termination of patent right or utility model |