CN206121416U - Putty workshop of polishing - Google Patents

Abstract

The utility model provides a putty workshop of polishing, including the room body, grinding device and dust collection system, the inside of the room body transversely is equipped with the dividing wall, between the top forming device of dividing wall, between the below forms and polishes, dust collection system includes exhaust pipe, exhaust fan, return air duct and dust arrester, the dust arrester setting in the equipment room, the inside intercommunication of exhaust pipe and dust arrester and run through the dividing wall stretch into to the bottom between polishing with polish between inside intercommunication, the exhaust fan is located exhaust pipe and is gone up and be located the equipment room, the return air duct locate in the equipment room and with the inside intercommunication of dust arrester, seted up the return air inlet on the dividing wall, the return air duct communicates through return air inlet and inside between polishing, just communicate with exhaust pipe in between grinding device locates and polishes. The utility model discloses the quick circulation flow of air in between realizing polishing can be be fast collected the dust in between polishing, reduces the dust that floats in the air, reduces bodily injury that the dust caused the staff and to the pollution of environment.

Description

A kind of putty polishing workshop

Technical field

The utility model is related to vehicle trimming field, refers in particular to a kind of putty polishing workshop.

Background technology

The problems such as vehicle of Jing operations for a long time generally occurs rotten vehicle body grain and serious paint decorations rhegma, it is therefore desirable to vehicle Rebuild, in maintenance process, vehicle body polishing operation is essential.Wherein, putty, bottom can be in a large number used in polishing operation Apply in the fillibilities such as paint.A large amount of dust can be produced in bruting process, environment and the person are all polluted.

Utility model content

The purpose of this utility model is to provide a kind of putty polishing workshop, quickly can receive in the dust produced in polishing operation Collection, reduces and float in air dust, so as to reduce personal injury and the pollution to environment that dust is caused to staff.

To reach above-mentioned purpose, the utility model provides a kind of putty polishing workshop, beats for carrying out putty to vehicle Mill, wherein, the putty polishing workshop includes the room body for arranging on the ground and is arranged on the polishing dress in portion in the room body Put and dust-precipitating system；

The roof that the room body has four sides wall and is covered on the wall of four sides, the inner transverse of the room body Dividing wall is provided with, the edge of the dividing wall is connected respectively with the four sides wall of the room body, the dividing wall Top forms equipment room, between the polishing formed below of the dividing wall；

The dust-precipitating system includes exhaust duct, exhaust blower, return air duct and dust arrester, and the dust arrester is arranged on described In equipment room, the exhaust duct is connected with the inside of the dust arrester, and the exhaust duct is stretched into through the dividing wall Bottom between the polishing connects with the inside between the polishing, and the exhaust blower is on the exhaust duct and described Exhaust blower is located in the equipment room, and the return air duct is in the equipment room, and the return air duct and the dust The inside connection of device, offers return air inlet on the dividing wall, the return air duct is by between the return air inlet and the polishing Inside connection；

The sanding apparatus are interior located at the polishing, and the sanding apparatus are connected with the exhaust duct.

Putty polishing workshop as above, wherein, the return air duct is laterally layed in the upper surface of the dividing wall On, and one end of the return air duct be folded upward at extend and connect with the inside of the dust arrester, under the return air duct Multiple return air holes are offered on surface, multiple return air hole correspondences are connected with multiple return air inlets.

Putty polishing workshop as above, wherein, the exhaust duct includes air draft house steward and Duo Gen air draft vertical tubes, institute State air draft house steward to be laterally layed on the upper surface of the dividing wall, and one end of the air draft house steward be folded upward at extend and with The inside connection of the dust arrester, offers multiple vents, many air draft vertical tubes on the lower surface of the air draft house steward Upper end be correspondingly connected to multiple vents, and many air draft vertical tubes are through the dividing wall and extend to described beating Bottom between mill.

Putty polishing workshop as above, wherein, the dust-precipitating system also includes dust gathering arrester, and the dust gathering arrester is arranged on On the ground, and the dust gathering arrester is located at the inside between the polishing, and the dust gathering arrester is run through in the lower end of the air draft vertical tube Top connect with the inside of the dust gathering arrester, the side of the dust gathering arrester offers shutter.

Putty polishing workshop as above, wherein, the sanding apparatus are self-priming sander.

Putty polishing workshop as above, wherein, the dust arrester includes the housing of bottom opening, the bottom of the housing Be connected with the ash bucket that can be opened and closed at portion's opening, the side wall middle part of the housing offers air inlet, the exhaust duct with it is described Air inlet is connected, and the side wall upper part of the housing offers air outlet, and the return air duct is connected with the air outlet, the shell The inside of body is provided with filter bag, and the filter bag is covered on the air outlet.

Putty polishing workshop as above, wherein, it is provided with blower fan on the return air duct.

Putty polishing workshop as above, wherein, the blower fan is two-way blower fan.

Putty polishing workshop as above, wherein, offer respectively on two relative walls of the room body The rolling screen door between polishing described in vehicles while passing can be supplied.

Putty polishing workshop as above, wherein, the putty polishing workshop is additionally provided with illuminator and electric-control system, The illuminator is on the lower surface of the both sides of the air draft vertical tube and the dividing wall；The electric-control system respectively with The illuminator and the dust-precipitating system are electrically connected.

Compared with prior art, advantage of the present utility model is as follows：

The utility model is directly connected by the way that sanding apparatus are set to exhaust duct, will can be produced in bruting process Dust be directly sucked in exhaust duct, dust recycling is fundamentally reduced to the interior possibility of polishing, while by setting The inside put between exhaust duct and polishing connects, and the dust suction exhaust duct of exhaust duct can not will be directly entered by sanding apparatus In road and send in dust arrester, the dust in air is filtered and by dust collection, the air after then filtering passes through back Wind pipeline is blown into again polishes interior, can so realize the air Rapid Circulation flowing for polishing interior, quickly can will polish interior Dust collection, reduce and float in air dust, so as to reduce personal injury that dust causes to staff and to environment Pollution.

Description of the drawings

The following drawings is only intended in schematic illustration and explanation is done to the utility model, does not limit model of the present utility model Enclose.Wherein：

Fig. 1 is the structural representation in the putty polishing workshop that the utility model is provided；

Fig. 2 is the schematic appearance in the putty polishing workshop that the utility model is provided.

Drawing reference numeral explanation：

1 room body

11 walls

12 roofs

13 dividing walls

131 return air inlets

14 equipment rooms

Between 15 polishings

16 rolling screen door

2 sanding apparatus

3 dust-precipitating systems

31 exhaust ducts

311 air draft house stewards

312 air draft vertical tubes

32 return air ducts

33 dust arresters

331 housings

3311 air inlets

3312 air outlets

332 ash buckets

333 filter bags

4 illuminators

Specific embodiment

In order to have clearer understanding to the technical solution of the utility model, purpose and effect, in conjunction with description of the drawings originally The specific embodiment of utility model.

As shown in figure 1, the utility model provides a kind of putty polishing workshop, for carrying out putty polishing to vehicle, its In, putty polishing workshop includes the room body 1 for arranging on the ground and the sanding apparatus 2 being arranged on inside room body 1 and dust system System 3, sanding apparatus 2 are used to carry out car body polishing operation, and dust-precipitating system 3 can receive in the dust produced during polishing operation Collection, reduces the dust in air, so as to reduce personal injury of the dust to staff and the pollution to environment；

Room body 1 has four sides wall 11 and the roof 12 being covered on four sides wall 11, wherein, the four sides wall of room body 1 Wall 11 is connected with each other and encloses to form rectangular-shaped, and roof 12 is covered on four sides wall 11, and the edge on roof 12 respectively with it is corresponding Wall 11 upper end connection, the inner transverse of room body 1 is provided with dividing wall 13, i.e. the inner horizontal of room body 1 is provided with dividing wall 13, the edge of dividing wall 13 is connected respectively with the four sides wall 11 of room body 1, by dividing wall 13 that the inside of room body 1 is empty Between be divided into upper space and lower space two parts, the top of dividing wall 13 forms equipment room 14, dividing wall 13 it is formed below 15 between polishing, that is, upper space, used as equipment room 14, lower space is used as between polishing 15；

According to the high actual conditions of specific car polishing workshop dust concentration, room body 1 adopts closed tower structure, The size of room body 1 (inside dimension)：42 meters × 16.3 meters × 5 meters, it is divided to two sections of controls, adds up to 652 square meters, high-efficiency vacuum dedusting (self-priming Formula sander) central dedusting three-dimensional pattern is combined, for dust efficiency of dust collection is up to 99%, outlet dust content is less than or equal to every 30 milligrams of cubic meter, fully meets national environmental standard requirement.

Room body 1 is closed fire-retardant color steel room body structure, and the dividing wall 13 at 15 tops is using sealing wallboard, main material between polishing From 75 millimeters thick rock-wool heat insulation plates.

Dust-precipitating system 3 includes exhaust duct 31, exhaust blower (not shown), return air duct 32 and dust arrester 33, dust Device 33 is arranged in equipment room 14, and exhaust duct 31 is connected with the inside of dust arrester 33, and exhaust duct 31 runs through dividing wall 13 Stretch between polishing that 15 inside connect between 15 bottom and polishing, exhaust blower is located on exhaust duct 31, and exhaust blower is located at In equipment room 14, return air duct 32 is in equipment room 14, and return air duct 32 is connected with the inside of dust arrester 33, dividing wall 13 On offer return air inlet 131, return air duct 32 is connected by between return air inlet 131 and polishing 15 inside；Wherein, in exhaust blower Under effect, 15 between polishing in be floating with the air of dust by polishing between 15 bottom be inhaled in exhaust duct 31, and along Exhaust duct 31 is entered in dust arrester 33, is floating with the air of dust and is entered after dust arrester 33, under gravity, air In most of dust nature under drop down onto the bottom of dust arrester 33, remaining minimal amount of dust is by the filtration in dust arrester 33 The filtration of structure, is further separated from air, and in staying in 15 between polishing, and the air after dust removal and filtration passes through During return air duct 32 flows back into 15 between polishing again, so the air between polishing 15 can not only be filtered, reduce polishing Between the dust that floats in air in 15, while the air circulation in 15 between can also realizing polishing.

Exhaust blower selects 4-72-6.3C type blower fans, and air draft acc power is 18.5 kilowatts, and air quantity reaches and 11940 stands per hour Square rice～20480 cubic metre, handkerchief～1900 handkerchief of blast 3000.Blower fan is made, factory with sound booth has been required from rock wool PLASTIC LAMINATED Boundary's noise is less than 60 decibels.

Sanding apparatus 2 are located in 15 between polishing, and sanding apparatus 2 are connected with exhaust duct 31, and sanding apparatus 2 are located at polishing Between in 15, when polishing operation is carried out to car body, in that context it may be convenient to which mobile sanding apparatus 2 are in order to needing what is polished on car body Position is polished, by the way that sanding apparatus 2 are connected with exhaust duct 31, the big portion that can be produced polishing while polishing Point dust is directly sucked in exhaust duct 31 in the case where not being spread between polishing in 15 air, is fundamentally reduced and is beaten The dust floated in air in 15 between mill.

Further, as described in Figure 1, the utility model provides a kind of putty polishing workshop, wherein, return air duct 32 is horizontal To being layed on the upper surface of dividing wall 13, and one end of return air duct 32 is folded upward at extending and connects with the inside of dust arrester 33 It is logical, multiple return air holes are offered on the lower surface of return air duct 32, multiple return air hole correspondences are connected with multiple return air inlets 131, from Blow back inside dust arrester 33 air in return air duct 32 through multiple return air holes and corresponding return air hole blowing from top to bottom Enter between polishing in 15, being arranged such can make the replacement from top to bottom of air in 15 between polishing, and the dust that polishing is produced is pushed To between polishing 15 bottom, the lower end of 15 bottoms between polishing is at the same time located at by exhaust duct 31, by between polishing 15 bottom Portion is mixed with the air of more dust suction dust arrester 33, can further improve dust catching efficiency, is reduced in 15 between polishing in air Dust content.Wherein, the other end of return air duct 32 can also be corresponded to and connected with a return air inlet 131, or in order that be returned Air in wind pipeline 32 is uniformly blown in 15 between polishing, can be closed the other end of return air duct 32 so that air is only Can be from the return air hole blowout on the lower surface of return air duct 32.In addition, the utilization in order to improve the air in return air duct 32 Rate, the size of return air inlet 131 should be greater than the size of return air hole, return air hole is completely exposed in return air inlet 131.

Further, as described in Figure 1, the utility model provides a kind of putty polishing workshop, wherein, exhaust duct 31 is wrapped Air draft house steward 311 and Duo Gen air drafts vertical tube 312 are included, air draft house steward 311 is laterally layed on the upper surface of dividing wall 13, and air draft One end of house steward 311 is folded upward at extending and connecting with the inside of dust arrester 33, offers on the lower surface of air draft house steward 311 many Individual vent, the upper end of many air draft vertical tubes 312 is correspondingly connected to multiple vents, and the other end of air draft house steward 311 also connects There is an air draft vertical tube 312, and many air draft vertical tubes 312 run through dividing wall 13 and extend between polishing 15 bottom, by setting Put many air draft vertical tubes 312 can from multiple positions by between polishing 15 in air suction dust arrester 33 in, can more fully fight each other Air in 15 between mill carries out dust removal and filtration, the air in 15 between polishing is more fully replaced, and further reduces Dust content in 15 between polishing in air.

Wherein, in order to control the flow velocity of air, the upper end of each air draft vertical tube 312 is equipped with volume control damper (in figure not Illustrate).

Further, as shown in figure 1, the utility model provides a kind of putty polishing workshop, wherein, dust-precipitating system 3 Also include dust gathering arrester, dust gathering arrester is arranged on the ground, and dust gathering arrester is located between polishing 15 inside, the lower end of air draft vertical tube 312 Connect with the inside of dust gathering arrester through the top of dust gathering arrester, the side of dust gathering arrester offers direction on shutter, i.e. dust gathering arrester and stops The side of the vehicle put offers shutter, equivalent to inlet scoop is provided with dust gathering arrester, under only air draft vertical tube 312 End opening is compared as inlet scoop, directly increases the area of air draught, can more extensively comprehensively by the air of 15 bottoms between polishing In suction air draft vertical tube 312, while by arranging shutter on dust gathering arrester, equivalent to the size for reducing inlet scoop, according to Flow keeps constant, the faster principle of the less flow velocity of circulation area, and the flowing speed of air-flow is directly enhanced by arranging shutter Degree, and shutter is set is provided with a plurality of runner equivalent to the air in for being inhaled into air draft vertical tube 312, be conducive to adjustment gas The flow direction of stream, from many aspects air circulation speed is accelerated.

Dust for orienting self-priming sander is not siphoned away 20% is collected and processes, by being arranged in ground Dust collection is entered exhaust duct 31 by the dust gathering arrester with shutter, and wind speed will reach more than 20 meters per second in exhaust duct 31, Dust into exhaust duct 31 can quickly enter dust arrester 33.Dust is had in dust gathering arrester to descend slowly and lightly phenomenon, there is a small amount of dust pile Product, it is desirable to which dust gathering arrester adopts removable hood lid, cleaning is convenient.

Further, the utility model provides a kind of putty polishing workshop, wherein, sanding apparatus 2 are self-priming polishing Machine, self-priming sander itself just has the function of inhaling dust, by the way that self-priming sander is connected with exhaust duct 31, passes through The self-priming sander dust-absorbing function of its own, can be directly sucked in exhaust duct 31 by produce in bruting process 80% dust In, fundamentally reducing may spread the quantity of aerial dust.Self-priming sander has internal fan, built-in wind Machine is high pressure centrifugal ventilation blower, and the power of internal fan is 505KW, 1200 cubic metres per hour of air quantity, blast 800Pa.

Further, as shown in figure 1, the utility model provides a kind of putty polishing workshop, wherein, dust arrester 33 is wrapped The housing 331 of bottom opening is included, the ash bucket 332 that can be opened and closed is connected with the bottom opening of housing 331, in the side wall of housing 331 Portion offers air inlet 3311, and exhaust duct 31 is connected with air inlet 3311,15 between polishing in the air containing dust from row Wind pipeline 31 enters to the inside of housing 331 by air inlet 3311, and in the presence of dust self gravitation, most of dust exists Free-falling and concentrate in ash bucket 332 in housing 331, now only have in the air inside dust arrester 33 and lacked trickle powder Dirt particle；The side wall upper part of housing 331 offers air outlet 3312, and return air duct 32 is connected with air outlet 3312, housing 331 Inside is provided with filter bag 333, and filter bag 333 is covered on air outlet 3312, the air now containing fine solid particle particle by through Filter bag 333 is simultaneously entered in return air duct 32 from air outlet 3312, and while air passes through filter bag 333, filter bag 333 is by air The trickle dust granules for containing are filtered and removed.Wherein, when filter bag 333 is filtered to air, what is contained in air is trickle Dust granules can be attached on filter bag 333, when on filter bag 333 accumulate dust it is more when, part dust may be by filter bag During ash bucket 332 is fallen on 333, Jing after long-time use, if the dust on filter bag 333 does not drop downwards automatically, can cause The filter effect and ventilation function of filter bag 333 has declined, and now needs manually filter bag 333 to be cleared up or changed.If filter Bag 333 has no damage, then staff gently taps filter bag 333 so as to which the dust vibration of upper attachment is fallen in ash bucket 332 i.e. Can.When the dust accumulation in ash bucket 332 it is more when, ash bucket 332 can be opened by its internal dust cleaning.

The putty polishing workshop that the utility model is provided, it is desirable to which the dust that orientation polishing is produced is passed through into self-priming sander In suction exhaust duct 31,80% dust is sucked into exhaust duct 31, the wind speed in exhaust duct 31 should reach 100 meters per second More than, it is impossible to produce deposition.Dust arrester 33 processes air quantity will reach 16000 cubic metres per hour, and filter bag 333 is filtered, filtering surface Product reaches 120 square meters, and the material of filter bag 333 is antistatic Nomex.After the process of dust arrester 33, the sky that air outlet 3312 is discharged Gas dust content is less than or equal to 30 milligrams per cubic metre, and air returns to 15 interior circulations between polishing and uses, the height of exhaust duct 31 For 22 meters, discharge will meet national standard, and dust arrester 33 will be provided with ash bucket 332, and the energy periodic cleaning of ash bucket 332 is focused on.

Preferably, the utility model provides a kind of putty polishing workshop, wherein, it is provided with wind on return air duct 32 Machine.The return air wind speed of return air duct 32 can be further improved by arranging blower fan, it is ensured that blow back between polishing from return air duct 32 Air in 15 has certain wind speed, and to strengthen when air is blown from top to bottom in 15 between polishing polishing can be preferably pressed downward Between air in 15, and the aerial dust that floats between polishing 15 is depressed into into downwards between polishing 15 bottom, be easy to dust Siphoned away between polishing 15 bottom by exhaust duct 31.

Preferably, the utility model provides a kind of putty polishing workshop, wherein, blower fan is two-way blower fan.By inciting somebody to action Blower fan is set to two-way blower fan, and dust pelletizing system can be made to carry the clearing function of filter bag 333.When filter bag 333 needs cleaned, will arrange Blower fan is closed, and makes blower fan blowback, i.e., from return air duct 32 to dust arrester 33 in dry, air enters housing by air outlet 3312 The 331 inside and dust that will attach on filter bag 333 blows off into the ash bucket 332 of the bottom of housing 331.

Further, as shown in Fig. 2 the utility model provides a kind of putty polishing workshop, wherein, two of room body 1 Offer between vehicles while passing can be supplied to polish 15 rolling screen door 16 on relative wall 11 respectively.By arranging in the both sides of room body 1 Rolling screen door 16, can facilitate vehicle to enter in 15 between polishing from the side of room body 1 and be polished, and after the completion of polishing operation directly Rolled away from by the rolling screen door 16 in another side walls 11, without the need for carrying out the step such as move backward.Preferably, positioned at two relative walls 11 On two rolling screen door 16 it is positive relative so that vehicle can enter between polishing 15 and between polishing 15 along same straight line Roll away from.Preferably, 15 thing vehicles passing in and out design two groups of closure hand automatic shutters between polishing.

Further, as shown in figure 1, the utility model provides a kind of putty polishing workshop, wherein, putty polishing workshop Illuminator 4 and electric-control system are additionally provided with, illuminator 4 is located at the both sides of air draft vertical tube 312 and the lower surface of dividing wall 13 On, wherein the illuminator 4 on the lower surface of dividing wall 13 is conventional lighting devices, positioned at the both sides of air draft vertical tube 312 Illuminator 4 is explosion-proof light device；Or, preferably, illuminator 4 is all from explosion-proof light device, illuminance is big In equal to 800 luxs；Electric-control system is electrically connected respectively with illuminator 4 and dust-precipitating system 3, makes illuminator 4 and dust Unit in system 3 can itemize control, and electric-control system adopts PLC PLC technologies, electrical control cubicles be placed on be easy to observation and On the position of operation.

During polishing operation, most of dust is siphoned away during generation by self-priming sander, in the suction lower edge of blast Exhaust duct 31 enters dust arrester 33, empties after purification.Dedusting is pinpointed by the non-supplementary set of self-priming sander (vacuum dedusting system) The dust for arriving enters exhaust duct 31 along bottom dust gathering arrester, and dusty gas is entered along exhaust duct 31 and collected in the presence of blast Dirt device 33, purified gas, Jing return air ducts 32 return 15 recycling between polishing.

Compared with prior art, advantage of the present utility model is as follows：

The utility model is directly connected by the way that sanding apparatus are set to exhaust duct, will can be produced in bruting process Dust be directly sucked in exhaust duct, dust recycling is fundamentally reduced to the interior possibility of polishing, while by setting The inside put between exhaust duct and polishing connects, and the dust suction exhaust duct of exhaust duct can not will be directly entered by sanding apparatus In road and send in dust arrester, the dust in air is filtered and by dust collection, the air after then filtering passes through back Wind pipeline is blown into again polishes interior, can so realize the air Rapid Circulation flowing for polishing interior, quickly can will polish interior Dust collection, reduce and float in air dust, so as to reduce personal injury that dust causes to staff and to environment Pollution.

The schematic specific embodiment of the utility model is the foregoing is only, model of the present utility model is not limited to Enclose.Any one of ordinary skill in the art, it is done etc. on the premise of without departing from design of the present utility model and principle With change and modification, the scope of the utility model protection all should be belonged to.

Claims (10)

1. a kind of putty is polished workshop, for carrying out putty polishing to vehicle, it is characterised in that the putty polishing workshop includes Room body on the ground is set and the sanding apparatus and dust-precipitating system in portion in the room body are arranged on；

The roof that the room body has four sides wall and is covered on the wall of four sides, the inner transverse of the room body is provided with Dividing wall, the edge of the dividing wall is connected respectively with the four sides wall of the room body, the top of the dividing wall Equipment room is formed, between the polishing formed below of the dividing wall；

The dust-precipitating system includes exhaust duct, exhaust blower, return air duct and dust arrester, and the dust arrester is arranged on the equipment Between in, the exhaust duct is connected with the inside of the dust arrester, and the exhaust duct stretches to institute through the dividing wall The bottom stated between polishing connects with the inside between the polishing, and the exhaust blower is on the exhaust duct, and the air draft Machine is located in the equipment room, and the return air duct is in the equipment room, and the return air duct and the dust arrester Inside connection, offers return air inlet on the dividing wall, the return air duct is by interior between the return air inlet and the polishing Portion connects；

The sanding apparatus are interior located at the polishing, and the sanding apparatus are connected with the exhaust duct.

2. putty according to claim 1 is polished workshop, it is characterised in that the return air duct is laterally layed in described point On the upper surface of partition wall, and one end of the return air duct is folded upward at extending and connecting with the inside of the dust arrester, described Multiple return air holes are offered on the lower surface of return air duct, multiple return air hole correspondences are connected with multiple return air inlets.

3. putty according to claim 1 is polished workshop, it is characterised in that the exhaust duct includes air draft house steward and many Root air draft vertical tube, the air draft house steward is laterally layed on the upper surface of the dividing wall, and one end of the air draft house steward to Upper bending extends and connects with the inside of the dust arrester, and multiple vents are offered on the lower surface of the air draft house steward, many The upper end of air draft vertical tube described in root is correspondingly connected to multiple vents, and many air draft vertical tubes run through the dividing wall And extend to the bottom between the polishing.

4. putty according to claim 3 is polished workshop, it is characterised in that the dust-precipitating system also includes dust gathering arrester, institute State dust gathering arrester to be arranged on the ground, and the dust gathering arrester is located at the inside between the polishing, the lower end of the air draft vertical tube Connect with the inside of the dust gathering arrester through the top of the dust gathering arrester, the side of the dust gathering arrester offers shutter.

5. putty according to claim 1 is polished workshop, it is characterised in that the sanding apparatus are self-priming sander.

6. putty according to claim 1 is polished workshop, it is characterised in that the dust arrester includes the shell of bottom opening Body, is connected with the ash bucket that can be opened and closed at the bottom opening of the housing, the side wall middle part of the housing offers air inlet, described Exhaust duct is connected with the air inlet, and the side wall upper part of the housing offers air outlet, the return air duct with it is described go out Air port connects, and the inside of the housing is provided with filter bag, and the filter bag is covered on the air outlet.

7. putty according to claim 1 is polished workshop, it is characterised in that be provided with blower fan on the return air duct.

8. putty according to claim 7 is polished workshop, it is characterised in that the blower fan is two-way blower fan.

9. putty according to claim 1 is polished workshop, it is characterised in that two relative walls of the room body It is upper to offer the rolling screen door that supplied between polishing described in vehicles while passing respectively.

10. putty according to claim 3 is polished workshop, it is characterised in that the putty polishing workshop is additionally provided with illumination System and electric-control system, the illuminator is on the lower surface of the both sides of the air draft vertical tube and the dividing wall；Institute State electric-control system to electrically connect with the illuminator and the dust-precipitating system respectively.