CN1241716C

CN1241716C - Extraction apparatus

Info

Publication number: CN1241716C
Application number: CNB028119436A
Authority: CN
Inventors: 史蒂文·特普斯特拉
Original assignee: Terpstra Enterprises Pty Ltd
Current assignee: Terpstra Enterprises Pty Ltd
Priority date: 2001-06-13
Filing date: 2002-06-13
Publication date: 2006-02-15
Anticipated expiration: 2022-06-13
Also published as: NO20035564D0; WO2002100597A1; EP1406748A4; EP1406748A1; NO20035564L; AUPR566401A0; JP2004528210A; KR20040016885A; CN1516636A; NZ530184A

Abstract

A machine (10) for performing a working operation such as cutting on a workpiece. The machine (10) has a tool (19) for performing the working operation and a drive motor (13) operable to drive the tool. The drive motor (13) has an exhaust (17) through which an exhaust fluid is discharged during operation. Means (51) are provided for delivering a dust suppression fluid such as water into the vicinity of the tool (19) for suppressing dust generated thereby. A shroud (31) is disposed about the tool (19) for containing dust and the dust suppression fluid, and an extraction line (61) communicates with the shroud (31) for extracting dust and dust suppression fluid contained thereby. The extraction line (61) further communicates with the exhaust (17) of the drive motor (13) for receiving the exhaust fluid discharging therefrom.

Description

Draw-out device

Technical field

The present invention relates to a kind of draw-out device and include the machine of this draw-out device.

The machine that is used on masonry structure, cutting and carving operation according to draw-out device of the present invention especially and by halves.

Background technology

In the stone-laying building, generally to carve groove or raceway groove and for example supply with the special circuit of electricity and other cable and water, gas supply line.Typically use machine to carry out the engraving operation with one or more cutter.

In the engraving operation process, can produce a large amount of dusts.Usually want water to be sprayed onto the near zone of implementing engraving and particularly suppress dust on the cutter.

Water suppresses dust can stay mortar on sculpture surface and in the building site.After mortar became dry, it reverted to dust again and produces other problem.

In addition, water suppresses the use that dust obstruction electrically powered machine for example was preferred in the past the motor-driven mill of carrying out incised work.

And can not use electrically powered machine just to need to use other power source.A kind of suitable power source is by oil-engine driven machine.But this machine has a shortcoming, and the waste gas that is exactly its discharge has potential harm, particularly when machine is worked in the enclosed area.

With respect to this background and all difficulties and the problem related with it, the present invention improves.

Summary of the invention

The invention provides the machine that a kind of draw-out device is used to have the engine of the instrument that carries out operation on workpiece and driven tool, engine has a delivery pipe, be discharged from engine operation process by its exhaust fluid, draw-out device comprises that one is used for carrying dedusting liquid neighbouring to suppress the device of consequent dust to instrument, a guard shield that holds dust and dedusting liquid around instrument setting, and extraction tube, extraction tube is communicated with dust and the dedusting liquid that extracts in the guard shield with guard shield, the delivery pipe that extraction tube also is communicated in engine receives consequent exhaust fluid.

Workpiece can be any suitable form.When using machine to carve operation on a surface (for example metope or ground), this surface just is equal to workpiece.

Preferably, guard shield can move adaptive device to change with respect to the direction of workpiece.Like this, between guard shield and workpiece, just can obtain effective seal and reduce leakage with minimally.

Extraction tube can adapt to moving of guard shield in conjunction with a compliant member.

Typically, extraction tube is connected in a suction source such as vavuum pump.Extraction tube can be connected in the suction source via a suction hose.

Dedusting liquid can be transferred to guard shield via a flexible liquid carrier pipe.

Preferably, provide and be used for cooling liquid is injected into the device of extraction tube.

Typically, dedusting liquid and cooling liquid are made up of water.

Suction hose and liquid delivery tube can link together expediently and operate as a single-piece.This can reach by the partial-length at least of liquid delivery tube is included in the suction hose.Guard shield can be combined with a baffle plate, is used for stoping rubble and other fragment of being produced in the tool operation process to enter guard shield and stop up extraction tube and connected suction hose.

Also can play the effect of lubricating tool as the water of dedusting liquid.In addition, contained water also can be used for cooling exhaust in the mortar, prevents that thus other hot waste gas from damaging suction hose.

The present invention also provides the machine that is used for carrying out operation on workpiece, machine comprises and is used for the instrument receiving system that receiving tool carries out operation, can operate the engine (engine has a delivery pipe of discharging exhaust fluid in operation process) of driven tool, be used for transmitting dedusting liquid near the device that suppresses consequent dust the instrument, the guard shield that holds dust and dedusting liquid around instrument setting, and extraction tube, extraction tube is communicated with dust and the dedusting liquid that extracts wherein with guard shield, the delivery pipe that extraction tube also is communicated in engine receives the exhaust fluid that therefrom flows out.

Preferably, the dedusting liquid transporting apparatus comprises an inlet that leads to guard shield inside, is transported in the guard shield by its dedusting liquid.

Typically, engine is for example gasoline engine or a diesel engine of an internal combustion engine, and exhaust fluid comprises the waste gas that produces in the combustion process in the case.

Instrument can be any suitable type, even so prerequisite to be used for engraving and cutting operation according to the special design of draw-out device of the present invention and machine, an instrument cutting wheel or a plurality of cutting wheel of one in front and one in back settling (normally two this kind wheels) typically in the case.

Description of drawings

By the following several specific embodiments as shown in the drawing of reference, will be more clear to the present invention, in the drawings:

Fig. 1 is the side view of observing from according to a side of the cutting machine of first embodiment;

Fig. 2 is the side view of observing from the opposite side of cutting machine;

Fig. 3 is the plane of cutting machine;

Fig. 4 is the opposite side view of cutting machine;

Fig. 5 be used for first embodiment cutting machine hose arrangement face skeleton diagram;

Skeleton diagram when Fig. 6 is the cutting machine running that shows according to first embodiment;

Fig. 7 is the side view according to the cutting machine of second embodiment; And

Perspective skeleton diagram when Fig. 8 is the cutting machine running that shows according to second embodiment.

The specific embodiment

With reference to accompanying drawing 1 to 6, the cutting machine 10 according to first embodiment that is used for cutting and carving operation on metope and ground is shown.In this embodiment, machine 10 is for holding part.

Cutting machine 10 comprises driving head 11 and supports the fuselage 13 of driving head 11.Fuselage 13 is combined with one and starts part, and it presents with the form of gasoline engine 15 with delivery pipe 17 in this embodiment.

Driving head 11 receives and is supporting cutting tool 19, and it is rendered as the form of cutter in this embodiment.Cutter 19 are driven by the driving belt (not shown) that is closed in the shell 21 by engine 15.

Fuselage 13 disposes and is used for controlling the side handle 23 of engine 15 runnings and the back handle 25 that combination comprises the controller of controlling trigger 27.

Guard shield 31 places on the driving head 11 around cutter 19.Guard shield 31 comprises that the cover body 33 of enclosure portion cutter 19 and cutter stretch out opening 35 thereon, as shown in attached Fig. 1 and 2.Under this settled, guard shield had an edge 37, and its adjacent openings 35 also is fit to be positioned at the surface of carving operation facing to blade 19.Guard shield 31 is combined with the passage that removable component provides installation and removal cutter 19.

Guard shield 31 is provided with respect to driving head 11 and carries out angular movement to adapt to the direction variation of fuselage 13 at two extreme positions, keeps sealing to contact thereby can make edge 37 and carry out the surface of carving operation when machine is mobile from the teeth outwards.In Fig. 1, guard shield 31 is shown is in a position, and another location with dashed lines 39 is summarized in the drawings and drawn.

Openings 35 in the guard shield 31 have the rubble that is produced in blade 19 operation process and other big fragment are repelled guard shield size outward.But, as will illustrating, to have enough gaps to make the dust that in blade 19 operation process, is produced enter guard shield 31 between opening 35 and the blade 19.

Guard shield 31 is used for holding dust, suppresses the mortar that dust produced but also be used for holding by water.The water that is used for suppressing dust is injected into guard shield 31 by two water inlets 51 that are arranged at blade 19 each limit respectively.Each water inlet 51 all leads to the inside of guard shield 31 via a water valve (not shown), by it water is led on cutter 19.Water inlet 51 is connected in water pipe 52 via arm 53 separately, and arm 53 is flexible to adapt to the angular movement of outer cover 31.As below will illustrating, water pipe 52 is connected in the connector 54 that is suitable for connecting feed pipe 55.Can manual flow control valve 56 place come between water pipe 52 and the connector 54 to the water that flows to water inlet 51 in addition selectivity regulate and interrupt.

The water that injects by water inlet 51 since the spinning movement of blade 19 be distributed in the guard shield 31 and to come the dust that is produced by blade is suppressed by generating mortar.In addition, inject the effect that water has also played cooling cutter 19.

Extraction tube 61 is arranged on the fuselage 13.As below will illustrating, extraction tube has a port of export 63 that is fit to be connected in suction hose 65.Extraction tube 61 is extended and is communicated in guard shield 31 and extracts the mortar that is generated by dust and water.Extraction tube 61 is combined with one and is fixed in the rigid element 68 of fuselage 13 and one via shock mount and extends guard shield 31 and adapt to the compliant member of guard shield 31 with respect to the angular movement of driving head 11.It can be along with the angular movement of guard shield 31 is stretched and shunk in the rigid element 68 thereby compliant member 69 telescopicallies are received in.In addition, compliant member 69 is connected in cover body 33 via a swivel coupling 70 that more adapts to the guard shield angular movement.

Thereby the delivery pipe 17 of internal combustion engine 15 also is connected in extraction tube 61 waste gas that internal combustion engine produced is discharged in the extraction tube.This is transported to off-site with waste gas and is better than in the air that is discharged into the building site with regard to having guaranteed.In this embodiment, delivery pipe 17 is connected in extraction tube 61 and is communicated in joint 62 with it.

Provide at this and directly water to be input in the extraction tube 61 device that the waste gas that is discharged in the extraction tube is cooled off.Water is input to the extraction tube 61 via the arm 71 that extends from water supply connector 54.Arm 71 leads to extraction tube 61, is in the position, upper reaches of joint 62, is discharged in the extraction tube at this waste gas.Like this, Re waste gas is subjected to the cooling effect of water after in entering extraction tube immediately.It is for fear of owing to overheated extraction tube 61 and the suction hose 65 that make damages that waste gas is cooled off.In addition, cooling exhaust has guaranteed that the exposed surface of extraction tube 61 is the cool complaint users when not noting touching the surface that so as to not make.Certainly, the part cooling can be carried out, other cooling can be provided and directly inject water via arm 71 by contacting with the dedusting water that is extracted from outer cover 31.

The cooling water that is input to extraction tube 61 is not to be controlled by flow control valve.In other words, as long as supply with water by feed pipe 55, cooling water just directly is injected into extraction tube 61, and no matter the flow-control threshold switch whether.

Extraction tube 61 also has benefited from by the air in the guard shield 31 of suction suction extraction tube 61 with the cooling of suction hose 65 inside that are attached thereto.The cooling air of input has dilution effect for the waste gas that is incorporated into extraction tube joint 62.

Hose arrangement 75 is provided with and is used for machine 10.Hose arrangement 75 comprises water pipe 55 and suction hose 65.Water pipe 55 has an end 56, and its suitable connecting tube 53 is on water inlet 51.It is on the water source of power that the other end of feed pipe 55 is fit to be connected in voltage such as AC power (not shown).

One end 66 of suction hose 65 is fit to be connected in the outlet 63 of extraction tube 61.The other end 68 of suction hose 65 is fit to be connected in for example vacuum source of vavuum pump 77, carries out filtration treatment therein and come to filter out mortar and solia particle from air and waste gas.Vavuum pump 77 has a delivery pipe 79, and the air and waste gas after filtering by it is discharged in the atmosphere.Except liquid is flowed along extraction tube 61 and suction hose 65, the swabbing action of vavuum pump 77 also can provide the noise suppressed to machine 10.

The specific characteristic of hose arrangement 75 is the inside that most of length of water-supply-pipe 55 has extended through suction hose 65.Water-supply-pipe 55 enters suction hose 65 and breaks away from suction hose in the position 83 of adjacent end 68 in the position 81 of adjacent end 66.Under this settled, for most of length of water-supply-pipe 55, it had been incorporated in the suction hose 65, operates and can be used as a single-piece.

Machine 10 usefulness hands grip to be operated, and as shown in Figure 6, operator 90 holds machine by means of handle 23,25.Operator shown in the figure uses machine 10 to cut or carve operation on metope 91.In the operation of

machine

10,51 injection water suppress dust and the lubricated blades that cutter 19 are produced in guard shield 31 from entering the mouth.Inject water and combine with dust and formed mortar, its quilt extracts 31 along extraction tube 61 from guard shield.In the cutting operation process, the remaining surface 91 of wall is close at the edge 37 of guard shield 31, prevents mortar seepage from outer cover 31 thus.The dust that in cutting process, produces by blade 19 spinning movement and guard shield in the suction that produces be sent in the guard shield.Be connected in the arm 53 of inlet 51 and the pliability of the compliant member 69 in the extraction tube 61 and allow the angular movement of guard shield 31 with respect to driving head 11.The waste gas that engine 15 is produced enters extraction tube 61 and is extracted together with mortar.Water content in the mortar has cooling effect to waste gas, thereby guarantees that the heat of waste gas can not damage extraction tube 61 and the suction hose 65 that is attached thereto.The cooling water that is injected in the extraction tube 61 by arm 71 provides with other cooling.Mortar and waste gas are transported to vavuum pump 77 along extraction tube 61 and suction hose 65, mortar can be concentrated there and toxic emission in atmosphere.

In first embodiment, machine 10 is rendered as the form of holding part.Can certainly be arranged to other form.For example, machine can be supported on the surface of carrying out cutting or engraving operation and along it and move.Second embodiment that will get in touch now as shown in Fig. 7 and 8 is described this parts.

Referring now to Fig. 7 and 8, comprise the console mode saw 101 of an ordinary construction that can on the ground 103 of cutting or carving operation, move according to the cutting machine 100 of second embodiment.Console mode saw 101 comprises being supported in takes turns the saw body 105 to move on 107 on ground 103.Saw body 105 is equipped with a handle apparatus 109, relies on it can promote to saw body on the ground.Console mode saw 101 is combined with a driving head (not shown) that receives and support cutting tool 111, and instrument 111 is known a kind of and be rendered as the form of cutter in this embodiment.Cutter are by the transfer system (not shown) driving of engine 113 by giving driving head from engine 113 transmission torques.In this embodiment, engine 113 is internal combustion engines that started by the gaseous fuel of being stored in the basin 115 that is supported on the saw body 105.Certainly will be clear that engine can be other any suitable class shape.

Guard shield 121 is arranged on the driving head around cutter 111.The guard shield 31 of the guard shield 121 and first embodiment has identical construction and can move angularly and adapts to saw body 105 and change with respect to the direction on ground 103, thereby can keep contacting with the sealing on ground during mobile apparatus in cutting process on the surface.

Water for dust removal is injected in the guard shield 121 by the water inlet 123 that is connected in flexible water conduit 125 1 ends, and the other end of flexible water conduit 125 is connected in the connector 127 that is fit to connect feed pipe 129.Feed pipe 129 is that power feeds water by a source body such as AC power, as the situation among first embodiment.

Extraction tube 131 is arranged on the saw body 105.Extraction tube 131 has a port of export 135 that is suitable for being connected in suction hose 137.Extraction tube 131 is extended and is communicated in the mortar that guard shield 121 is generated with extracting dust and water via connector 141.Extraction tube 131 is combined with the rigid element 143 and the compliant member 145 that adapts to guard shield 121 with respect to the angular movement of driving head that are arranged on the saw body 105.

Engine 113 has a delivery pipe 151, thereby its connection extraction tube 131 enters extraction tube 131 to the waste gas that engine 113 is produced in joint 155, as the situation among first embodiment.

The rigid element 134 of extraction tube is combined with a heat exchanger 157 and helps cooling exhaust.Heat exchanger 157 is made of a plurality of pipe fittings 159 that 161 places are separated from each other and 163 places concentrate in the position in the position.Pipe fitting 159 separates respectively between position 161 and 163, makes surf zone and ambient air keep well contacting to accelerate heat exchange thus.

In addition, cooling water is injected into extraction tube 131 in decanting point 165.The cooling water that is injected into extraction tube 131 in decanting point 165 places relies on water pipe 167 to transmit, and an end of water pipe 167 is connected in and injects position 165 and the other end is connected in the component 169 of connector 127.

Reach the situation of first embodiment as shown in Figure 8, water pipe 129 and suction hose 137 are incorporated in the conventional hoses device 171.Suction hoses 135 in the hose arrangement 171 are connected in vacuum source 173, carry mortar, air and waste gas to wherein from extraction tube 131.Mortar is brought together and waste gas and air is discharged in the atmosphere at vavuum pump 173 places by delivery pipe 175.

Cutting machine 100 is for example to operate in the building at the environment of a sealing, therefore can extend to outside placement of building to delivery pipe 175 and discharge the exhaust to outside the working environment of sealing.As shown in accompanying drawing 8, thus can see wherein delivery pipe 175 extend through always window 177 toxic emission to the building outside.

The compliant member 145 that is extraction tubes 131 according to a feature of the cutting machine 100 of second embodiment can from connector 141 separately can use these parts with mortar residual on extracting fragment and the workpiece as vacuum cleaner thus.Certainly this step is normally finished when driving force does not send cutter 111 to.

In each above-mentioned embodiment, cutting machine 10,100 all is to present to be improved to the common cutting member form that is combined with according to draw-out device of the present invention.But, should know that special-purpose cutting machine can be in conjunction with making up according to draw-out device of the present invention.

Comprise that to all being transformed flow lock or sensor are used for the water yield of dedusting and cooling with detection, and when lacking enough water, stop the operation of machine according to arbitrary cutting machine of the foregoing description.Equally, can detect suitable throughput, and when lacking enough air-flows, stop the operation of machine in conjunction with flow lock or sensor along extraction tube 61.

Can obviously find out from foregoing, described each embodiment all provide one simply and efficiently device suppress to cut or carve dust in the operation process, and the waste gas that mortar and machine run produced that produces in the dust removal process is transported to off-site.

On the basis that does not deviate from scope of the present invention, can add various improvement and variation.

When the machine that is used for carrying out engraving and cutting operation is made description, should know that also these characteristics of inhibition dust, extracting mortar and waste gas can be used in the machine with the instrument except that cutter, for example boring bar tool and grinding tool.

Should be understood that scope of the present invention is not limited only to the described scope of above embodiment.

In whole explanation, context requirement only, otherwise word " comprises " or it become to claim to should be understood to include a set integral body or the group of stability in the integral body and does not get rid of group of stability in any other integral body or the integral body.

Claims

1. draw-out device, be used to have the machine of the engine of the instrument that on workpiece, carries out operation and driven tool, engine has a delivery pipe, exhaust fluid is discharged from engine operation process by this delivery pipe, draw-out device comprises that one is used for carrying dedusting liquid neighbouring to suppress the device of consequent dust to instrument, a guard shield that holds dust and dedusting liquid around instrument setting, and extraction tube, extraction tube is communicated with dust and the dedusting liquid that extracts in the guard shield with guard shield, the delivery pipe that extraction tube also is communicated in engine receives consequent exhaust fluid.

2. draw-out device as claimed in claim 1 is characterized in that, guard shield can move adaptive device to change with respect to the direction of workpiece.

3. draw-out device as claimed in claim 2 is characterized in that, extraction tube is combined with a compliant member and adapts to moving of guard shield.

4. draw-out device as claimed in claim 1 is characterized in that, dedusting liquid can be transferred to guard shield via a flexible liquid carrier pipe.

5. draw-out device as claimed in claim 1 is characterized in that, extraction tube is connected in a suction source.

6. draw-out device as claimed in claim 5 is characterized in that, extraction tube is connected in the suction source via a suction hose.

7. as claim 5 or 6 described draw-out devices, it is characterized in that the suction source is a vavuum pump.

8. draw-out device as claimed in claim 6 is characterized in that, dedusting liquid can be transferred to guard shield via a flexible liquid carrier pipe.

9. draw-out device as claimed in claim 8 is characterized in that, suction hose and liquid delivery tube link together and operate as a single-piece.

10. as any the described draw-out device among the claim 1-5, also comprise being used for cooling liquid is injected into the device of extraction tube.

11. draw-out device as claimed in claim 10 is characterized in that, dedusting liquid and cooling liquid are made up of water.

12. machine that is equipped with as any described draw-out device in the claim 1 to 11.

13. machine that is used on workpiece, carrying out operation, machine comprises and is used for the instrument receiving system that receiving tool carries out operation, can operate the engine of driven tool, engine has a delivery pipe of discharging exhaust fluid in operation process, be used for transmitting dedusting liquid near the device that suppresses consequent dust the instrument, the guard shield that holds dust and dedusting liquid around instrument setting, and extraction tube, extraction tube is communicated with dust and the dedusting liquid that extracts wherein with guard shield, the delivery pipe that extraction tube also is communicated in engine receives the exhaust fluid that therefrom flows out.

14. machine as claimed in claim 13 is characterized in that, the dedusting liquid transporting apparatus comprises an inlet that leads to guard shield inside, is transported in the guard shield by its dedusting liquid.

15. machine as claimed in claim 13 is characterized in that, engine is an internal combustion engine, and exhaust fluid comprises the waste gas that internal combustion engine produces in combustion process.