CN208694542U - A kind of workshop remove suede device - Google Patents

Abstract

The utility model discloses a kind of workshops to remove suede device, belong to air cleaning facility field, solve the problems, such as that batting is unable to get unified effective processing, its key points of the technical solution are that, including workshop, the workshop includes workspace and filtering area, filter membrane is set between the workspace and filtering area, the workshop is equipped with the ventilation shaft for being connected to workspace with filtering area, exhaust fan is equipped in the ventilation shaft, the workshop is equipped with the exhaust tube of alignment strainer, the exhaust tube is communicated with aspiration pump, the gas outlet of the aspiration pump is communicated with filter bag, the utility model is structurally reasonable, the villus being attached on filter membrane is siphoned away using exhaust tube, villus is collected using filter bag to facilitate being uniformly processed for villus.

Description

A kind of workshop remove suede device

Technical field

The utility model relates to a kind of air cleaning facilities, more specifically, it relates to which suede device is removed in a kind of workshop.

Background technique

The development of present textile industry, mechanization production will also meet the growing material requisite of people, however spin now When knitting industry production and processing textile product, large area batting is often generated in workshop, batting is easy to swim in air In, it sucks for a long time, affects the health of people.

Currently, the Chinese utility model patent that notification number is CN202700311U discloses a kind of cotton yarn spinning and weaving workshop with removing Dirt device includes cover, and the oral area of the cover is fixedly installed with strainer, and the cover oral area on the inside of the strainer is equipped with mutual The reinforcing rib of intersection, the bottom of the cover are equipped with mounting base, and the shaft towards oral area is rotatably equipped in the mounting base, and Roller end wears strainer, and the extension end of the shaft is fixedly installed with brush holder support, is fixedly installed on the brush holder support and is affixed with strainer The bristle of conjunction, the shaft are driven by motor, and the cover bottom is equipped with air outlet, and the air outlet is communicated to by pipeline The air outlet of exhaust fan, the exhaust fan is communicated in tank by pipeline.Using exhaust fan make the air in workshop to Dust-extraction unit flowing, is filtered out the batting in air using strainer, to achieve the effect that cross air filtering.

But there is no the collection device equipped with batting in above-mentioned technical proposal, batting is unable to get unified effective processing.

Utility model content

In view of the deficienciess of the prior art, utilizing exhaust tube the utility model lies in that provide a kind of workshop except suede device The villus being attached on filter membrane is siphoned away, collects villus using filter bag to facilitate being uniformly processed for villus.

To achieve the above object, the utility model provides following technical solution: a kind of workshop removing suede device, including vehicle Between, the workshop includes workspace and filtering area, filter membrane is set between the workspace and filtering area, the workshop is equipped with will The ventilation shaft that workspace is connected to filtering area, the ventilation shaft is interior to be equipped with exhaust fan, and the workshop is equipped with alignment filter film Exhaust tube, the exhaust tube is communicated with aspiration pump, and the gas outlet of the aspiration pump is communicated with filter bag.

By using above-mentioned technical proposal, make the air circulation flow in workshop using exhaust fan, air in workspace It is flowed into filtering area across filter membrane, the tomentum filter membrane generated in workspace filters out, to reach the effect except suede Then fruit is siphoned away the villus being attached on filter membrane using exhaust tube, collect villus using filter bag to facilitate the system of villus One processing.

The utility model is further arranged to: the workshop is equipped with the partition for separating workspace and filtering area, it is described every Plate is rotatably connected to turntable, and the filter membrane is fixedly connected on turntable, and the partition is fixedly connected with the drive of driving turntable rotation Dynamic motor.

Exhaust tube alignment filter film is rotated, turntable using driving motor driving turntable by using above-mentioned technical proposal Filter membrane rotation is driven, filter membrane is rotated relative to exhaust tube, thus the inswept entire filter membrane for keeping exhaust tube more convenient, it can Will easily clean entire filter membrane.

The utility model is further arranged to: the partition is rotatably connected to conflict roller, and the conflict roller contacts at turntable End face edge at.

By using above-mentioned technical proposal, support force is applied to turntable using roller is contradicted, to overcome turntable by air The pressure generated across filter membrane increases the structural strength between turntable and partition.

The utility model is further arranged to: the exhaust tube is articulated with partition.

By using above-mentioned technical proposal, when filter membrane crosses air filtering, villus is adsorbed on filter membrane, driven by rotary disc filtering Film rotation, to be siphoned away the villus of entire filter membrane using exhaust tube；In filter membrane rotation process exhaust tube swing, using compared with The exhaust tube of small size can also clear up entire filter membrane, so as to reduce the size of exhaust tube, and then reduce and take out Influence of the tracheae to moving air.

The utility model is further arranged to: the exhaust tube is equipped with flat suction nozzle close to one end of filter membrane, The suction nozzle is equipped with hairbrush.

Reduce air inlet sectional area, to increase air using flat suction nozzle by using above-mentioned technical proposal Flowing velocity, and then take exhaust tube by more villus away, and fall the villus brush on filter membrane using hairbrush, from And it is more easier to be siphoned away by exhaust tube.

The utility model is further arranged to: the partition is fixedly connected with retarder, and the driving motor driving is slowed down Device rotation, the reducer output shaft are fixedly connected with crank, and the crank is hinged with connecting rod, and the connecting rod is hinged with rocking bar, The rocking bar is fixedly connected on exhaust tube.

By using above-mentioned technical proposal, crank, connecting rod and rocking bar are formed crank and rocker mechanism, are driven using driving motor Retarder rotation, retarder driving crank slowly rotate, and drive the slow reciprocally swinging of exhaust tube using crank and rocker mechanism, To make the automatic reciprocating swing of exhaust tube when filter membrane rotation process, and then automatic dust removing is achieved the effect that, has made filtration system It is more convenient to use.

The utility model is further arranged to: the filter bag offers discharge port, the mistake far from one end of aspiration pump Filter bag is equipped with the bungee of opening and closing discharge port at discharge port.

By using above-mentioned technical proposal, when the villus collected in filter bag is more, bungee is unlocked, villus is from discharging It is discharged in mouthful, to facilitate filter bag discharging.

The utility model is further arranged to: the filter bag is arranged with fixed ring, and the fixed ring is fixedly connected on ground Face.

When the high speed of air flows through filter bag, moving air can be such that filter bag ceaselessly waves, in filter bag rocking process Friction can be generated with ground, thus be easy that filter bag is made to wear and rupture, it, will using fixed ring by using above-mentioned technical proposal Filter bag is fixed, and waving for filter bag is reduced, to reduce the friction on filter bag and ground.

The utility model is further arranged to: the filter bag is located at outside workshop.

When discharging, bungee is unlocked, villus is discharged from discharge port, has part villus and floats air into filtering area In, workspace is then reentered by ventilation shaft, by using above-mentioned technical proposal, recontamination when preventing villus discharging Air in workshop.

The utility model is further arranged to: the position that the ventilation shaft is connected to workspace is located at workspace far from mistake On the side wall for filtering area.

By using above-mentioned technical proposal, filtering area is conveyed by filtered air by ventilation shaft using exhaust fan Into workspace, so that workshop is greater than the air pressure of filtering area close to the air pressure of workspace, make remote from workspace by filtered air One end from filtering area flows to the one end of workspace close to filtering area, passes through entire workspace using air, and then will be entire Villus and dust in workspace, which drive to filtering area, to be filtered.

In conclusion the utility model has the following beneficial effects:

First, the villus generated in workspace is filtered out using filter membrane, to achieve the effect that except suede, then The villus being attached on filter membrane is siphoned away using exhaust tube, collects villus using filter bag to facilitate being uniformly processed for villus；

Second, driving turntable and retarder, the rotation of driven by rotary disc filter membrane simultaneously using driving motor, retarder passes through song Handle rocker device drives the slow reciprocally swinging of exhaust tube, thus exhaust tube automatic reciprocating pendulum when having reached filter membrane rotation process It is dynamic, to siphon away the villus of entire filter membrane using exhaust tube, and then achieve the effect that automatic dust removing, had made dust-extraction unit It is more convenient to use；

It is leaned on third, making air flow to workspace far from one end of filtering area from workspace using exhaust fan and ventilation shaft One end of nearly filtering area passes through entire workspace using air, so by entire workspace villus and dust drive to mistake Filter area is filtered, and removes suede effect to air to improve.

Detailed description of the invention

Fig. 1 is the sectional view of the present embodiment；

Fig. 2 is that the present embodiment is used to show the sectional view except suede device；

Fig. 3 is the structural schematic diagram that the present embodiment is used to show filter membrane；

Fig. 4 is the structural schematic diagram that the present embodiment is used to show crank and rocker mechanism；

Fig. 5 is the portion the A enlarged drawing of Fig. 4；

Fig. 6 is the portion the B enlarged drawing of Fig. 4；

Fig. 7 is the portion the C enlarged drawing of Fig. 4；

Fig. 8 is that the present embodiment is used to show the explosive view for contradicting roller mounting structure；

Fig. 9 is the sectional view that the present embodiment is used to show filter bag；

Figure 10 is the structural schematic diagram that the present embodiment is used to show dust-extraction unit；

Figure 11 is the sectional view that the present embodiment is used to show dust-extraction unit.

Appended drawing reference: 1, workshop；11, filtering area；12, workspace；2, suede device is removed；21, partition；211, support frame； 212, fixed plate；213, fixing axle；214, roller is contradicted；215, card slot；216, circlip；22, turntable；23, filter membrane；24, it is evacuated Pipe；241, suction nozzle；242, hairbrush；243, transfer tube；244, fixed block；245, filter bag；246, fixed ring；247, elastic Rope；248, discharge port；249, collecting pipe；25, decelerating motor；251, retarder；252, crank；253, connecting rod；254, rocking bar； 26, aspiration pump；3, dust-extraction unit；31, spray tube；311, shower；312, connecting tube；32, reservoir；321, run-off；322, Filter screen；323, baffle；33, water pump；331, water supplying pipe；34, deflector；4, ventilation shaft；41, exhaust fan.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.

A kind of workshop filtration system as Fig. 1 shows, including workshop 1, dust-extraction unit 3 and removes suede device 2.Except suede device 2 is by vehicle Between to separate be in workspace 12 and filtering area 11 space in 1, Weaving device is installed in workspace 12, dust-extraction unit 3 is installed In filtering area 11.Workshop 1 is fixedly connected with ventilation shaft 4, and the left end of ventilation shaft 4 is connected to filtering area 11, ventilation shaft 4 Right end is connected to the right end of workspace 12, and exhaust fan 41 is fixedly connected in ventilation shaft 4, and exhaust fan 41 makes in ventilation shaft 4 Air flow to the right, thus make workspace 12 air pressure be greater than filtering area 11 air pressure, make air from the right end of workspace 12 The left end for flowing to workspace 12 passes through entire workspace 12 using air, and then by the villus and powder in entire workspace 12 Dust lane is moved into filtering area 11, and then the villus in air is filtered and collected using except suede device 2, utilizes dust-extraction unit Dust in air is removed and is collected by 3, so that workspace 12 will be delivered to by filtered air by ventilation shaft 4 again In, and then achieved the purpose that 1 air of evolution workshop.

As shown in Fig. 2, except suede device 2 includes partition 21, turntable 22, filter membrane 23 and exhaust tube 24(referring to Fig. 3).Partition 21 are fixedly connected in workshop 1, and turntable 22 is arranged in hollow out, and filter membrane 23 is rounded and is fixedly connected on turntable 22 towards work Make area 12(referring to Fig. 1) end face on, turntable 22 is rotationally connected on partition 21, and exhaust tube 24 is located in workspace 12 and cuts with scissors It is connected on partition 21, the rotational plane of exhaust tube 24 is parallel with turntable 22, one end alignment filter film 23 of exhaust tube 24, exhaust tube 24 one end far from filter membrane 23 pass perpendicularly through partition 21 and extend to filtering area 11(referring to Fig. 1) in.Exhaust tube 24 extends One end in filtering area 11 is rotatably connected to transfer tube 243, and transfer tube 243 is fixedly connected with partition 21, and transfer tube 243 is separate One end of exhaust tube 24 is connected with aspiration pump 26.When air, which passes through filter membrane 23 from workspace 12, flows to filtering area 11, suede Hair can be attached on filter membrane 23, make the rotation of turntable 22 to drive filter membrane 23 to rotate at this time, while keep exhaust tube 24 reciprocal It swings, makes inswept entire filter membrane 23 at the air inlet of exhaust tube 24, thus will be on entire filter membrane 23 using exhaust tube 24 Villus siphons away.

As shown in figure 3, being fixedly mounted to increase the ability of 24 resorption villi of exhaust tube at the air inlet of exhaust tube 24 There is flat suction nozzle 241, reduces air inlet sectional area, to increase speed air flow, and then make exhaust tube 24 will more More villus are taken away.241 lower edge of suction nozzle is fixedly connected on hairbrush 242, using hairbrush 242 by the villus brush on filter membrane 23 It falls, to be more easier to be siphoned away by exhaust tube 24.

As shown in Figure 4, Figure 5 and Figure 6, it is fixedly connected on partition 21 in horizontally disposed support frame 211, support frame 211 On be fixedly connected with driving motor, which is that decelerating motor 25, the main shaft of decelerating motor 25 and turntable 22 are consolidated in coaxial Fixed connection drives turntable 22 slowly to rotate using decelerating motor 25.It is fixedly connected with retarder 251 on support frame 211, slows down The input shaft of device 251 and the main shaft of decelerating motor 25 pass through chain conveyer, are fixedly connected on crank on the output shaft of retarder 251 252, crank 252 is fixedly connected with connecting rod 253 far from one end of retarder 251, and connecting rod 253 is fixed far from one end of crank 252 It is connected to rocking bar 254, rocking bar 254 is fixedly connected on straight on exhaust tube 24 and where rocking bar 254 far from one end of connecting rod 253 Line passes through the center of circle of exhaust tube 24, and crank 252, connecting rod 253 and rocking bar 254 form crank and rocker mechanism, and decelerating motor 25 drives Retarder 251 rotates, and retarder 251 drives crank 252 slowly to rotate, slow using crank and rocker mechanism driving exhaust tube 24 Reciprocally swinging, to make the automatic reciprocating swing of exhaust tube 24 when 23 rotation process of filter membrane, and then reached automatic dust removing Effect.

As shown in fig. 7, being fixedly connected with fixed plate 212 on partition 21, fixed plate 212 is fixedly connected with fixing axle 213, Gu It is rotatably connected on dead axle 213 and contradicts roller 214, contradicted roller 214 and contact at the end face edge of turntable 22, when air passes through filtering Biggish pressure can be applied to filter membrane 23 when film 23, support force is applied to overcome air to filter membrane 23 using roller 214 is contradicted To the pressure that turntable 22 applies, increase turntable 22 and partition 21(referring to fig. 4) between structural strength.

As shown in figure 8, opened up in fixing axle 213 there are two card slot 215, fixing axle 213 is arranged there are two circlip 216, two A circlip 216 is placed in respectively in two card slots 215 for contradicting roller 214, to limit the axial position for contradicting roller 214.

As shown in figure 9, aspiration pump 26 is fixedly connected with the collecting pipe 249 being connected to its gas outlet, collecting pipe 249 passes through vehicle Between 1 right sidewall extend to outside workshop 1.One end that collecting pipe 249 extends to outside workshop 1 is fixedly connected with fixed block 244, fixed block 244 are fixedly connected on the ground outside workshop 1.The screen pipe being connected to collecting pipe 249 is fixedly connected on fixed block 244 (in figure It is not shown), screen pipe is fixedly connected by clip there are two filter bag 245, and collecting pipe 249 passes through fixed block 244 and two mistakes Filter bag 245 is connected to.It is delivered in collecting pipe 249 by aspiration pump 26 from exhaust tube 24 with air villous, then passes through receipts Collector 249 is delivered in filter bag 245, and tomentum filter bag 245 is collected, and air was flowed out by the gap of filter bag 245 Filter bag 245.The high speed of air flows through filter bag 245, and filter bag 245 can be such that filter bag 245 ceaselessly waves, and filter bag 245 shakes Friction can be generated with ground during pendulum, to be easy that filter bag 245 is made to wear and rupture.It is arranged on filter bag 245 thus There is fixed ring 246, fixed ring 246 is fixedly connected on the bottom surface outside workshop 1.

As shown in figure 9, filter bag 245 offers discharge port 248 far from one end of fixed block 244, filter bag 245 is close to be unloaded It is bundled at material mouth 248 by the closed bungee 247 of discharge port 248.When the villus collected in filter bag 245 is more, unlock Bungee 247, villus are discharged from discharge port 248, to facilitate 245 discharging of filter bag.

As shown in Figure 10, dust-extraction unit 3 includes spray tube 31, reservoir 32 and water pump 33, and reservoir 32 is fixedly connected on The left end in workshop 1, spray tube 31 have more in being vertically arranged, and 31 upper end of spray tube is fixedly connected on 1 top inner wall of workshop.Often Multiple showers 311 are fixedly connected on root spray tube 31.Spray tube 31 is communicated with connecting tube 312, connecting tube 312 have four and In being horizontally disposed with, each connecting tube 312 is connected to multiple spray tubes 31, and connecting tube 312 is connected with water supplying pipe 331, water supplying pipe 331 It is connect with water pump 33, water pump 33 is fixedly connected on 32 side-wall outer side of reservoir close to the position of bottom.Water pump 33 is by reservoir 32 In water extraction then water is delivered at shower 311 by water supplying pipe 331, connecting tube 312 and spray tube 31, utilize shower 311 pairs of air for flowing through filtering area 11 spray, using the dust in water removal air, to reach in removal air Dust.The water of sprinkling can be fallen into again in reservoir 32, collected the water that shower 311 sprays using reservoir 32, then utilized water The water that reservoir 32 is collected is delivered in spray tube 31 by pump 33 to be continued to spray air, to realize the circulation benefit of water With, and then achieve the purpose that water conservation.

As shown in Figure 10, if all showers 311 are located in same level, water flow is flowed down from same level, right Air carries out the dust in purification absorption air, and water flows downward while absorbing the dust in air gradually to make to be mixed in water Dust be gradually saturated and lead to the reduced capability for absorbing dust, and then cause dust-extraction unit 3 to close to 11 bottom surface of filtering area Air cleaning decreased effectiveness.Shower 311 is set, in axial distribution, to make water never along spray tube 31 in order to solve this technical problem With height sprinkling, to make the sprinkling of the air also available water for not being mixed with dust close to 11 bottom surface of filtering area, from And it improves to air cleaning effect on the lower.

As shown in figure 11, the water for being mixed with dust enters in reservoir 32, has in reservoir 32 after long-time service more Dust is carried out being mixed with more dust in the water of watering dedusting, and then be led so as to cause spray tube 31 is delivered to using water pump 33 Dust-extraction unit 3 is caused to die down the dust removing effects of air, it is therefore desirable to safeguard, be removed in reservoir 32 to dust-extraction unit 3 Dust.This technical problem is solved thus, and 32 side wall of reservoir is fixedly connected with run-off 321, run-off 321 and reservoir 32 Between be fixedly connected with baffle 323,323 upper end of baffle is lower than 32 liquid level of reservoir.Into the dust in reservoir 32 in gravity Under the action of sink under water, using baffle 323 stop reservoir 32 in dust enter run-off 321, make in reservoir 32 The less water of layer dust content flows into run-off 321, to keep dust content in run-off 321 lower, and then reduces and carries out It is mixed with more dust in the water of watering dedusting, dust removing effects still with higher after dust-extraction unit 3 is used for a long time extend Dust-extraction unit 3 maintenance period, keeps dust-extraction unit 3 more convenient to use.Baffle 323 is fixedly connected with filter screen 322, utilizes Strainer 322 stops to flow into biggish sundries in run-off 321, stops sundries using filter screen 322, protects water pump 33.

As shown in figure 11, in order to further increase 3 dust removing effects of dust-extraction unit, water conservancy diversion is fixedly connected in filtering area 11 Plate 34, deflector 34 are inclined to set, the slanted upper end of deflector 34 be fixedly connected on 1 top inner wall of workshop, deflector 34 1 bottom wall of inclination lower end and workshop between there are gap, the position that ventilation shaft 4 is connected to filtering area 11 is located at the left side in workshop 1 Upper end position makes air flow to 3 oblique upper position of dust-extraction unit from the obliquely downward position of dust-extraction unit 3, makes air to tilt Route pass through dust-extraction unit 3, thus increase air pass through dust-extraction unit 3 path, increase air by dust-extraction unit 3 when Between, and then improve 3 dust removing effects of dust-extraction unit.

Specific working mode: under the action of exhaust fan 41, keep the air with villous and dust in workspace 12 defeated It send to filtering area 11.The villus generated in air is filtered and is collected with suede device 2 is removed, using dust-extraction unit 3 by air In dust remove and collect, thus again by ventilation shaft 4 will pass through filtered air be delivered in workspace 12, in turn 1 air of evolution workshop is achieved the purpose that.

When air, which passes through filter membrane 23 from workspace 12, flows to filtering area 11, villus can be attached on filter membrane 23, Air enters in filtering area 11, and decelerating motor 25 drives filter membrane 23 to rotate simultaneously at this time, while decelerating motor 25 drives and slows down Device 251 rotates, and retarder 251 drives the slow reciprocally swinging of exhaust tube 24 by crank and rocker mechanism, makes to sweep at suction nozzle 241 Entire filter membrane 23 is crossed, to siphon away the villus of entire filter membrane 23 using exhaust tube 24.It is evacuated with air villous Pump 26 is delivered in collecting pipe 249 from exhaust tube 24, is then delivered in filter bag 245 by collecting pipe 249, tomentum mistake Filter bag 245 is collected.

Air with dust flows to 3 oblique upper position of dust-extraction unit from the obliquely downward position of dust-extraction unit 3, makes air Dust-extraction unit 3 is passed through with inclined route.Then water is passed through water supplying pipe 331, connected by the water extraction in reservoir 32 by water pump 33 Adapter tube 312 and spray tube 31 are delivered at shower 311, are sprayed using shower 311 to the air for flowing through filtering area 11, are utilized Water removes the dust in air, to reach the dust in removal air.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (10)

1. suede device, including workshop (1) are removed in a kind of workshop, it is characterized in that: the workshop (1) includes workspace (12) and filtering area (11), filter membrane (23) are set between the workspace (12) and filtering area (11), the workshop (1) is equipped with workspace (12) The ventilation shaft (4) being connected to filtering area (11), the ventilation shaft (4) is interior to be equipped with exhaust fan (41), and the workshop (1) is equipped with The exhaust tube (24) of alignment filter film (23), the exhaust tube (24) are communicated with aspiration pump (26), and the aspiration pump (26) goes out Port is communicated with filter bag (245).

2. suede device is removed in a kind of workshop according to claim 1, it is characterized in that: the workshop (1) is equipped with workspace (12) it is rotatably connected to turntable (22) with the partition (21) of filtering area (11) separation, the partition (21), the filter membrane (23) It is fixedly connected on turntable (22), the partition (21) is fixedly connected with the driving motor of driving turntable (22) rotation.

3. suede device is removed in a kind of workshop according to claim 2, it is characterized in that: the partition (21) is rotatably connected to conflict Roller (214), the conflict roller (214) contact at the end face edge of turntable (22).

4. suede device is removed in a kind of workshop according to claim 2, it is characterized in that: the exhaust tube (24) is articulated with partition (21).

5. suede device is removed in a kind of workshop according to claim 4, it is characterized in that: the exhaust tube (24) is close to filter membrane (23) one end is equipped with flat suction nozzle (241), and the suction nozzle (241) is equipped with hairbrush (242).

6. suede device is removed in a kind of workshop according to claim 4, it is characterized in that: the partition (21) is fixedly connected with deceleration Device (251), driving motor driving retarder (251) rotation, retarder (251) output shaft are fixedly connected with crank (252), the crank (252) is hinged with connecting rod (253), and the connecting rod (253) is hinged with rocking bar (254), the rocking bar (254) It is fixedly connected on exhaust tube (24).

7. suede device is removed in a kind of workshop according to claim 1, it is characterized in that: the filter bag (245) is far from aspiration pump (26) one end offers discharge port (248), and the filter bag (245) is equipped with opening and closing discharge port at discharge port (248) (248) bungee (247).

8. suede device is removed in a kind of workshop according to claim 7, it is characterized in that: the filter bag (245) is arranged with fixation Ring (246), the fixed ring (246) are fixedly connected on ground.

9. suede device is removed in a kind of workshop according to claim 1, it is characterized in that: the filter bag (245) is located at workshop (1) Outside.

10. suede device is removed in a kind of workshop according to claim 1, it is characterized in that: the ventilation shaft (4) and workspace (12) position being connected to is located at workspace (12) far from the side wall of filtering area (11).