CN1590019A - Power tool and debris extraction system therefor - Google Patents

Power tool and debris extraction system therefor Download PDF

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Publication number
CN1590019A
CN1590019A CNA2004100766962A CN200410076696A CN1590019A CN 1590019 A CN1590019 A CN 1590019A CN A2004100766962 A CNA2004100766962 A CN A2004100766962A CN 200410076696 A CN200410076696 A CN 200410076696A CN 1590019 A CN1590019 A CN 1590019A
Authority
CN
China
Prior art keywords
power tool
housing
chip
working portion
debris
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.)
Pending
Application number
CNA2004100766962A
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Chinese (zh)
Inventor
基思·帕克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GMCA Pty Ltd
Original Assignee
GMCA Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GMCA Pty Ltd filed Critical GMCA Pty Ltd
Publication of CN1590019A publication Critical patent/CN1590019A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00Portable grinding machines, e.g. hand-guided; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06Dust extraction equipment on grinding or polishing machines
    • B24B55/10Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention relates to the provision of a power tool, such as a sander, which has a working portion which, when moved with respect to a workpiece creates debris. The invention provides a debris collection bag mounted in a housing on the power tool body which allows for the collection of debris from the vicinity of the working portion. The debris collection bag is selectively removable for discarding the debris and/or washing.

Description

Power tool and suction system thereof
Technical field
The present invention relates to a kind of power tool and debris-suction system thereof.
Background technology
Although specially refer to a kind of power tool of sand milling device type in the following description basically, but be understandable that for a person skilled in the art, the present invention also can be used for any power tool, in these instruments, can produce chip and need the debris-suction system, as jigsaw and/or similar power tool.
Sand milling device has been widely known by the people and has been used to apace the required surface of sand milling so that described smooth surface, remove one or more layers specific material,, and/or be used to prepare out a surface as coating or blanking coating, to cover one or more layers material on this surface, as coating or blanking coating.These sand milling devices generally include the main part that accommodates drive unit, and described drive unit is used for driving sanding disc and moves towards one or more needed directions.Sand milling material (as sand paper) with suitable lapped face is connected to the outer surface of sanding disc, makes the lapped face of described sand milling material be in outermost.So the lapped face of sand milling material contacts with the wall that needs sand milling, the driving of drive unit makes the sand milling material be resisted against fast moving on the described wall, so produce sand grinding process.
As everyone knows, power sand milling device, as the equipment of above-mentioned type in use can produce a large amount of chips.Will be very harmful if these chips are sucked by the user, it can enter user's eyes, makes user's ocular pain usually, has limited the user for the visual field that needs sanded side, just can be covered by one deck chip in the place of sand milling, all these does not wish to exist.In order to reduce or stop the generation of these problems, can equip the debris-suction system for sand milling device.Most debris-suction system uses a suction pump, and suction pump produces air-flow to draw the sanding disc ambient air and to deliver to position away from sanding disc.Then by using bag that alternative sees through or chip being filtered out from air stream by filter.
The problem that these traditional debris-suction systems exist is that bag or filter have been filled up soon.When bag that fills up when air pressure opposing or filter were set up, this all can make bag break away from a sand milling device, so cause in the environment of the chip of having collected around spilling into or reduce greatly from the efficient of sanded side suction chip.And, remove described bag from sand milling device and can cause that usually chip overflows, so need move to sand milling device outdoor usually or dustbin on to empty described bag.This is inconvenient and consuming time for the user, and sometimes above-mentioned way can not realize.
Summary of the invention
Therefore, one object of the present invention just provides a kind of power tool and debris-suction system thereof, and described power tool and debris-suction system thereof have overcome the problems referred to above and can easily remove the chip that is produced efficiently.
A kind of power tool is provided according to a first aspect of the invention, and described power tool comprises: working portion, and this working portion in use produces chip; Drive unit, it is used for optionally driving and in use providing actuation movement for working portion; The debris-suction device, this device is at the operate portions office of power tool and the adjacent domain suction chip of working portion, and chip moved to position away from working portion, described debris-suction device comprises at least one housing at least, in this housing, a chip collecting bag removably is placed in one.
Described debris-suction device generally includes and uses one or more air streams that transport chip, described chip be by the working portion of instrument with respect to an object or surface work and produce, described chip is transported to a position away from the tool work part from the position that is adjacent to the tool work part.For example, can equip one to suction apparatus and suck chip and air and deliver to the device of housing from the working portion of instrument, and away from the chip collecting bag of the working portion of instrument.
The advantage of the chip collecting bag that equipment is removably located with respect to housing is that the chip collecting bag can be removed, replace and/or place under repair when needs.Because in use the chip collecting bag is arranged in housing, housing limits or has stoped the chip when described bag fills up to scatter, the position that makes the user easily bag be moved to needs empties, and does not need to move whole power tool and do not have overflowing of chip.
Housing preferably is detachably connected on the power tool, to allow from power tool dismounting housing and/or to clean described housing.The chip collecting bag can be removed from power tool together with housing, so the chip that allows to collect is transported to a suitable process points to empty chip from housing from housing.
Described housing is detachably connected on the described power tool by following any jockey or its any combination, and described jockey has screw device, bayonet lock device, friction fasteners, screw, clip, belt and/or analog.
Housing and chip collecting bag preferably are positioned at the rear portion of power tool and away from the working portion of power tool, power tool is saw, sanding disc, drill bit and/or analog.
Preferably has hole thereon, one or more position on the housing, with the passage of crossing as air communication.
Preferably the chip collecting bag is had enough porous materials and is formed by a kind of, allowing the air communication mistake, but stops chip stream to pass through.Like this, can select to have the material of the size in suitable hole, as the polypropylene woven fabric.
It is to be made by the material of substantial flexibility that the chip collecting bag has a part usually at least, and housing is normally made by the material of rigidity basically.
Advantage of the present invention is that housing provides an improved profile with aesthetical perception for power tool, can aspirate chip efficiently simultaneously.The chip collecting bag that is provided is removably located in the housing, overflow problem of the prior art can not take place with regard to allowing to empty collecting bag like this.The chip collecting bag can use repeatedly, and it is made by a kind of material that can wash and clean usually, so just can reuse.
According to a second aspect of the invention, a kind of debris-suction system that is used for power tool is provided, described debris-suction system comprises at least one housing or cylindrical shell, and a chip collecting bag can be placed in one with removing, and described housing or tube are detachably connected on the power tool.
Preferably be jockey of housing equipment, using to advance described housing is detachably connected on the described power tool, and allow to remove collecting bag to clean.In one embodiment, the chip collecting bag can wash and reuse, and all needs to change described bag when avoiding emptying bag at every turn.
According to a further aspect of the invention, a kind of sand milling device is provided, described sand milling device comprise to required surface carry out sand milling the sand milling device, drive drive unit that described sand milling device moves on one or more required directions, the debris-suction that will be close to described surface is to the debris-suction device away from described surface, wherein, described debris-suction device comprises at least one housing, and the chip collecting bag is removably located in the described housing.
According to a further aspect of the invention, provide a kind of debris-suction system that is used for sand milling device, described debris-suction system comprises at least one housing, and the chip collecting bag is removably located in the described housing.
Description of drawings
Hereinafter with reference to accompanying drawing one embodiment of the present of invention are described:
What Fig. 1 showed is the part side view of sand milling device according to an embodiment of the invention;
What Fig. 2 showed is the view of having removed debris collection device of the present invention in Fig. 1 view;
Fig. 3 shows is the exploded view of debris collection device of the present invention shown in Figure 1.
The specific embodiment
Referring to Fig. 1 and Fig. 2, demonstration be a hand-held power tool part, hand-held power tool is a sand milling device 2 in this case, the composition of chip such as dust, fragment or any chip is sucked during by sand milling device 2.Sand milling device comprises that a main part, sanding disc, one are connected to the handle portion 8 on the main part and the debris-suction device 10 at a rear portion 12 that is detachably connected to main part 4.
Main part 4 accommodates motor and drives the drive unit (not shown) that sanding disc moves in one or more required directions.A detachable sand milling spare that has a required nonferromagnetic substance at its outer surface in use is detachably connected on the sanding disc, and its lapped face is positioned at outermost.Sand milling spare abuts against the mobile of a particular surface makes described surface be sanded.The user is resisted against on this surface device 2 by handle portion 8 usually, and except moving the sanding disc by drive unit, the user passes described surface with required direction mobile device 2.
Control device is located on the main part 4 with the form of switch, and to allow user's mobile sand milling device between " opening ", " pass " state as required, in "open" state, sanding disc is removable; In "off" state, sanding disc is static.Main power source flows to described equipment for the power that motor and drive unit provide along cable.Yet, can equip a joint or multiple batteries as the additional energy or the alternative energy source of main power source to sand milling device.
For the user just is clear that on the surface of sand milling, improve the efficient of sand grinding process and for to improve this device user's environment, for sand milling device has been equipped debris-suction system 10.Described debris-suction system comprises a housing 18, and this housing is detachably connected on the outlet opening 20 by a bayonet lock device 22.Fig. 1 has shown that described housing and described system are in a rigging position when using.Fig. 2 shows is to remove the state behind the housing and shown bayonet lock device 22.The band bayonet lock housing patchhole 20 at first as shown in arrow 21 in to reset, rotation as shown in arrow 23 then.
What Fig. 3 represented is the parts of debris-suction system 10.It comprises external shell 18, is connected to a chip collecting bag 24 of a neck 25 and the end-fitting 27 of an annular, is formed with bayonet lock 22 on described annular end joint 27.
Debris bag 24 is made by the porous material that has many holes, and the size in hole can allow circulation of air, but stops chip stream to pass through.Chip collecting bag 24 removably is installed on the housing 18 by a neck 25 that is essentially rigidity, and the neck 25 that is essentially rigidity is made of plastics usually, is essentially flexible porous material and is heat sealed in manufacture process on the described plastics usually.The coupling part of end-fitting 27 forms of annular is positioned on the neck 25, with neck 25 clampings and be fixed on end-fitting and housing 18 between.End-fitting normally connect by buckle or one be threaded and be connected on the housing, can provide the there required sealing, sealing can prevent that the air of joint from leaking.
Housing is provided with a series of hole 30 and flows through to allow air.
During use, pump (not shown) of equipment is with guiding air stream on the main part 4 of power tool, so as the chip of the dust that from sand grinding process, produces, the dust that produces from sanded side etc. enter debris-suction system 10 by runner 26, the outlet opening 20 that main part 4 forms.Air and chip pass joint 27 and enter in the chip collecting bag 24 in the housing 18.Debris bag 24 is used for collection of debris and stop chip further by suction system, but a plurality of holes 30 that are provided with on the housing 18 allow to pass the air discharge housing as shown in arrow 28 in the hole of debris bag 24.So stoping, the material that is configured chip collecting bag 24 from the chip that air-flow transmitted of power tool passes hole 30.
In case the debris bag 24 of debris-suction system is full of, the user can disassemble housing 18 by unclamping the bayonet lock device from main part 4.The user takes housing and joint 27 apart then, to remove chip collecting bag 24, then bag is transported to a suitable position to empty bag 24, and generally described bag is in the dress housing, overflows in bag to stop chip.Bag can be thrown away, be reused or be washed to reuse then.Housing 18 is made by a kind of material of rigidity basically, can easily be transported under the situation that chip does not overflow guaranteeing to allow housing, has stoped debris bag in use to be torn simultaneously or the damage of other form.
Therefore the present invention chip and from as the suction of other class chip of the power tool generation of sand milling device type and collection aspect great improvement is provided.

Claims (14)

1. power tool, described power tool comprises: working portion, this working portion in use produces chip; Drive unit, it is used for optionally starting, in use to provide actuation movement for described working portion; The debris-suction device, this device is used for the adjacent domain suction chip from the operate portions office of power tool and working portion, and chip moved to position away from described working portion, it is characterized in that, described debris-suction device comprises at least one housing, in this housing, a chip collecting bag is placed in one movably.
2. power tool according to claim 1 is characterized in that, described debris-suction device comprises a gas channel, and by this passage, chip moves to a position away from described tool work part from working portion or the position that is adjacent to working portion.
3. power tool according to claim 2 is characterized in that, the air-flow by described at least one gas channel is produced by a suction apparatus.
4. power tool according to claim 1 is characterized in that, described chip collecting bag removably places described housing, can be cleared and replace to allow described chip collecting bag, so that reuse.
5. power tool according to claim 4 is characterized in that described housing is releasably attached on the power tool, when pulling down described housing, makes the chip collecting bag can maintain the original state and be transported to a required position that empties.
6. power tool according to claim 5, it is characterized in that, described housing is releasably attached on the described power tool by following any jockey or its any combination, and described jockey has screw device, bayonet lock device, friction fasteners, screw, clip, belt and/or analog.
7. power tool according to claim 1 is characterized in that, described housing and chip collecting bag are positioned at the rear portion of the working portion on the power tool.
8. power tool according to claim 1 is characterized in that, has one or more holes on the described housing, passes from the hole to allow air-flow.
9. power tool according to claim 1 is characterized in that, housing and/or chip collecting bag are formed by a part of wall at least, and described wall is formed by gas permeable material.
10. power tool according to claim 1 is characterized in that, described chip mainly is the fine particle of rubble, wood and/or metal.
11. a debris-suction system that is used for power tool, described debris-suction system comprises at least one housing, and a chip collecting bag removably is placed in one in described housing, and described housing is detachably connected on the power tool.
12. debris-suction according to claim 11 system is characterized in that housing is provided with a jockey, in use described housing being detachably connected on the described power tool, and allows to remove described collecting bag to clean this collecting bag.
13. a power sanding tool, described sanding tool comprises: working portion, the form of this working portion are the lapped face that is used for workpiece is carried out sand milling; Drive unit drives described working portion and moves on one or more required directions; Aspirator, from described workpiece and operate portions office or be adjacent to the zone suction chip of described workpiece and working portion, and chip moved on to position away from described surface, it is characterized in that, described debris-suction device comprises at least one housing, the chip collecting bag removably is placed in one in this housing, described housing by at least one in described operate portions office or the hole that is adjacent to described operate portions office be communicated with described working portion, one or more passages link to each other described at least one hole with described housing.
14. power sanding tool according to claim 13 is characterized in that, described housing has the chip collecting bag that removably is placed in one.
CNA2004100766962A 2003-08-12 2004-08-12 Power tool and debris extraction system therefor Pending CN1590019A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0318880.2A GB0318880D0 (en) 2003-08-12 2003-08-12 Power tool and dust and debris extraction system therefor
GB0318880.2 2003-08-12

Publications (1)

Publication Number Publication Date
CN1590019A true CN1590019A (en) 2005-03-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2004100766962A Pending CN1590019A (en) 2003-08-12 2004-08-12 Power tool and debris extraction system therefor

Country Status (6)

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US (1) US20050037699A1 (en)
EP (1) EP1506840B1 (en)
CN (1) CN1590019A (en)
AT (1) ATE357310T1 (en)
AU (1) AU2004203839B2 (en)
GB (1) GB0318880D0 (en)

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Also Published As

Publication number Publication date
US20050037699A1 (en) 2005-02-17
AU2004203839B2 (en) 2009-06-18
ATE357310T1 (en) 2007-04-15
EP1506840A1 (en) 2005-02-16
GB0318880D0 (en) 2003-09-17
AU2004203839A1 (en) 2005-03-03
EP1506840B1 (en) 2007-03-21

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