CN212887062U - Polishing machine - Google Patents

Abstract

The utility model provides a polishing machine, its technical scheme main points are that polishing machine includes casing, burnishing device, updraft ventilator and spray set, be equipped with the dust removal chamber in the casing, burnishing device installs in dust removal chamber opening part, spray set is including installing the shower in the dust removal intracavity, updraft ventilator including intercommunication extremely the air-supply line in dust removal chamber, the air intake orientation of air-supply line burnishing device, dust removal chamber bottom in the outlet has been seted up under the air intake. Through set up updraft ventilator and spray set at the dust removal intracavity, utilize updraft ventilator's negative pressure effect to inhale the dust removal intracavity with the dust that produces among the polishing process, recycle the shower and spray, pass through spray water and discharge through the outlet with the dust of dust removal intracavity to played the effect of avoiding polishing dust pollution surrounding environment.

Description

Polishing machine

Technical Field

The utility model relates to a burnishing machine technical field especially relates to a burnishing machine.

Background

In the mechanical polishing process, a polishing machine is used for carrying out surface treatment on a workpiece, in the polishing process, the workpiece is pressed on a polishing wheel rotating at a high speed to rub the surface of the workpiece, and in the rubbing process, along with the generation of polishing dust, the dust is scattered randomly, so that the pollution to the surrounding environment is easy to cause, and the harm is also brought to the human health.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can avoid polishing dust pollution surrounding environment's burnishing machine.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a polishing machine, includes casing, burnishing device, updraft ventilator and spray set, be equipped with the dust removal chamber in the casing, burnishing device installs in dust removal chamber opening part, spray set is including installing the shower in the dust removal intracavity, updraft ventilator including intercommunication to the air-supply line in dust removal chamber, the air intake orientation of air-supply line burnishing device, dust removal chamber bottom in the outlet has been seted up under the air intake.

Further setting: the polishing machine further comprises a water circulation system, the water circulation system comprises a water collecting tank, a filtering device and a water pump, the water collecting tank is communicated with the water outlet, the filtering device is used for filtering sewage flowing out of the water outlet, and the water pump is used for conveying filtered water in the water collecting tank into the spray pipe.

Further setting: the water collecting tank is internally provided with a separation net, and the filtering device comprises filtering cotton placed above the separation net.

Further setting: the shell is provided with a flow guide cavity, the flow guide cavity is communicated with the dust removal cavity through a water outlet, a water outlet is formed in the flow guide cavity above the water collecting tank, and the bottom of the flow guide cavity is gradually inclined downwards from the water outlet to the water outlet.

Further setting: the water catch bowl top is equipped with the backup pad that is used for installing the water pump, the observation window has been seted up in the backup pad, the observation window upper cover is equipped with the apron.

Further setting: the air draft device comprises a fan and an air outlet pipe, the air outlet pipe and the air inlet pipe are respectively connected to the fan, and a dust collection bag is arranged at an air outlet of the air outlet pipe.

Further setting: the air inlet pipe is provided with a filter box on the ventilation channel, a containing cavity for placing the filter box is arranged in the shell, a replaceable filter screen is arranged in the filter box, and an access hole for replacing the filter screen is formed in the containing cavity.

Further setting: the shower includes main water pipe and connects in the lateral wall at main water pipe both ends, main water pipe laminates on the lateral wall that is equipped with the outlet in the dust removal intracavity, two the lateral wall perpendicular to main water pipe extends along the horizontal direction.

Further setting: and the bottom of the dust removing cavity is provided with a water baffle plate on each of two sides of the water outlet, and the water baffle plates extend along the direction of the water outlet.

Further setting: the side wall of the dust removing cavity, which is provided with the water outlet, is obliquely arranged in a guiding way.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. the utility model relates to an among the burnishing machine, through set up updraft ventilator and spray set in the dust removal intracavity, utilize updraft ventilator's negative pressure effect to inhale the dust removal intracavity with the dust that produces among the polishing process, recycle the shower and spray, pass through spray water and discharge through the outlet with the dust that removes the dust intracavity to played the effect of avoiding polishing dust pollution surrounding environment.

2. The utility model relates to an among the burnishing machine, through setting up water circulating system, can collect to pollute and filter and recycle, reduce water resource consumption, it is more energy-concerving and environment-protective.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a polishing machine according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a polishing machine according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an internal structure of the polishing machine according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a polishing safety system according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the utility model provides a polishing machine 1, including casing 11 and burnishing device 12, be equipped with the cavity in the casing 11, burnishing device 12 including install in the polishing wheel 121 of cavity opening part still including being used for driving polishing wheel 121 pivoted polishing drive module 122, specifically, polishing drive module 122 is the motor.

The polishing machine 1 further comprises an air draft device 13 and a spraying device, in this embodiment, the cavity is the dust removal cavity 111, the spraying device comprises a spraying pipe 141 installed in the dust removal cavity 111, the air draft device 13 comprises an air inlet pipe 131 communicated to the dust removal cavity 111, an air inlet 1311 of the air inlet pipe 131 faces the polishing device 12, and a water outlet 1111 is formed in the bottom of the dust removal cavity 111 and right below the air inlet 1311.

Through set up updraft ventilator 13 and spray set in dust removal chamber 111, utilize updraft ventilator 13's negative pressure effect to inhale the dust that produces among the polishing process in the dust removal chamber 111, recycle shower 141 and spray, pass through spray water and discharge through outlet 1111 with the dust in the dust removal chamber 111 to played the effect of avoiding polishing dust pollution surrounding environment.

In this embodiment, the polishing machine 1 further includes a water circulation system 14, the water circulation system 14 includes a water collection tank 142, a filtering device and a water pump 143, the water collection tank 142 is communicated with the water discharge port 1111, the filtering device is used for filtering the sewage flowing out from the water discharge port 1111, and the water pump 143 is used for delivering the filtered water in the water collection tank 142 to the spray pipe 141.

Through setting up water circulating system 14, can collect filtering and recycle sewage, on the one hand, collect filtering and can prevent to cause the pollution to the environment sewage, on the other hand also reduces water resource consumption, and is energy-concerving and environment-protective more.

In this embodiment, a separation net 1421 is disposed in the water collection tank 142, and the filtering device includes a filter cotton 144 disposed above the separation net 1421. The sewage with the polishing dust flows above the filter cotton 144, is filtered by the filter cotton 144, is collected in the water collecting tank 142 through the partition net 1421, so that the filtering and the collection of the sewage are realized, and the water is conveyed to the spraying pipe 141 again through the water pump 143, thereby forming the water circulation system 14.

In this embodiment, it is defined that the side of the housing 11 provided with the polishing wheel 121 is the front of the housing 11, the opposite side is the rear of the housing 11, the water collecting tank 142 is arranged at the bottom of the rear of the housing 11, the spray water flows from the front of the housing 11 to the water collecting tank 142 at the rear for collection, and then the water pump 143 provides power to lift the filtered water in the water collecting tank 142 to a high position, and the spray water is sprayed through the spraying pipe 141, so as to realize a water circulation process.

Further, a flow guide cavity 112 is arranged in the housing 11, the flow guide cavity 112 is located behind the dust removing cavity 111, the flow guide cavity 112 is communicated with the dust removing cavity 111 through a water discharge port 1111, a water outlet 1121 is arranged above the water collecting tank 142 in the flow guide cavity 112, and the bottom of the flow guide cavity 112 is gradually inclined downwards from the water discharge port 1111 to the water outlet 1121.

Preferably, the air inlet pipe 131 is installed in the diversion cavity 112, the top of the housing 11 is provided with a wind power cavity 113, the air draft device 13 further comprises a fan 132 and an air outlet pipe 133, the fan 132 is installed in the wind power cavity 113, and the air inlet pipe 131 and the air outlet pipe 133 respectively penetrate into the wind power cavity 113 and are connected with the fan 132.

Preferably, an accommodating cavity 114 is further arranged in the housing 11 below the wind power cavity 113, the accommodating cavity 114 extends to the bottom of the housing 11 to communicate with the outside of the housing 11, and the air outlet pipe 133 penetrates into the accommodating cavity 114 from the wind power cavity 113. Further, a dust bag (not shown) is disposed at the air outlet 1331 of the air outlet pipe 133, and the dust bag is disposed in the accommodating cavity 114.

In this embodiment, two polishing wheels 121 are symmetrically disposed in the housing 11, and the motor is disposed in the middle of the housing 11 and drives the polishing wheels 121 on both sides to rotate. Therefore, in the present embodiment, two dust removing cavities 111 and two diversion cavities 112 are symmetrically disposed in the housing 11, and the accommodating cavity 114 is located between the two diversion cavities 112 and is communicated with both diversion cavities. The water circulation system 14 further includes a water inlet pipe 145, the water inlet pipe 145 is connected between the water pump 143 and the spraying pipe 141, and the water inlet pipe 145 penetrates into the accommodating cavity 114 from the side wall at the rear of the housing 11 and penetrates into the two dust removing cavities 111 from the accommodating cavity 114 to be connected with the spraying pipe 141.

In this embodiment, a supporting plate 1422 for installing the water pump 143 is disposed at the top of the water collecting tank 142, specifically, the supporting plate 1422 is disposed at the middle of the water collecting tank 142, and a separating net 1421 and a filter cotton 144 are disposed at two sides of the supporting plate 1422. The water pump 143 has a water inlet inserted into the water collection tank 142, and pumps the water filtered by the filter pulp 144 into the water inlet 145. Preferably, the supporting plate 1422 is further provided with an observation window 14221, and a cover plate 1423 is disposed on the observation window 14221. Through setting up observation window 14221, the staff of being convenient for inspects water level and quality of water in the water catch bowl 142, in time mends water when the water level is low excessively, in time changes filter pulp 144 when quality of water is relatively poor.

In this embodiment, a filter cartridge 15 is disposed on a ventilation channel of the air inlet pipe 131, and an accommodating cavity 115 for accommodating the filter cartridge 15 is disposed in the casing 11, specifically, the accommodating cavity 115 is located between the wind power cavity 113 and the diversion cavity 112. Be equipped with removable filter screen (not shown in the figure) in the filter cartridge 15, hold chamber 115 and offer the access hole 116 that is used for changing the filter screen, specifically, wind-force power chamber 113, water conservancy diversion chamber 112 and holding chamber 114 all are equipped with access hole 116, and every access hole 116 department all is equipped with the guard gate that can open and shut.

In this embodiment, the filter box 15 is disposed on the ventilation channel of the air inlet pipe 131 to filter the polishing dust in the air drawn into the air inlet pipe 131, and the dust bag is disposed at the air outlet 1331 of the air outlet pipe 133 to achieve a double-layer filtering effect, thereby further preventing the polishing dust from being discharged into the air and reducing the pollution to the environment.

Further, the spraying pipe 141 includes a main water pipe 1411 and branch pipes 1412 connected to both ends of the main water pipe 1411, the main water pipe 1411 is attached to a side wall of the dust removing chamber 111 in which the water outlet 1111 is disposed, and the two branch pipes 1412 are perpendicular to the main water pipe 1411 and extend in a horizontal direction.

Through such setting, increased the scope of spraying in the dust removal chamber 111, improved the effect of dust fall, simultaneously, main pipe 1411 and lateral pipe 1412 can wash away the lateral wall in dust removal chamber 111, avoid polishing dust to adsorb on the inner wall in dust removal chamber 111, reduce the pollution to casing 11.

Furthermore, a water baffle 1112 is respectively arranged at the bottom of the dust removing cavity 111 on two sides of the water outlet 1111, and the water baffle 1112 extends along the direction of the water outlet 1111. Through setting up breakwater 1112, the water that falls on shower 141 can not directly flow into in outlet 1111, receives breakwater 1112's effect of blockking, has changed the flow direction of rivers, has increased the flow coverage area of rivers to make rivers can clean dust removal chamber 111 bottom more thoroughly, improved clean effect.

Preferably, the side wall of the dust removing cavity 111 in which the water outlet 1111 is arranged in an inclined guiding manner. Because the lateral wall that is equipped with outlet 1111 in the dust removal cavity 111 is equipped with air intake 1311, the air current mainly flows toward air intake 1311 direction, and polishing dust adsorbs easily on the lateral wall that is equipped with air intake 1311, through setting it to slope guide structure, can do benefit to and erode this lateral wall, improves clean effect.

In this embodiment, a baffle 117 is disposed above the polishing wheel 121 in the housing 11, and a sliding guide mechanism is disposed between the baffle 117 and the housing 11 to enable the baffle 117 to be slidably adjusted relative to the housing 11 and to be accommodated in the dust-removing chamber 111.

Through set up the slip guiding mechanism between baffle 117 and casing 11, make baffle 117 slidable accomodate dust removal chamber 111 in, overhaul or when changing polishing wheel 121, can avoid baffle 117 to cause the sheltering from to polishing wheel 121 to be convenient for change polishing wheel 121.

In this embodiment, the baffle 117 extends in an arc shape along the circumferential direction of the polishing wheel 121, and the baffle 117 and the polishing wheel 121 are concentrically arranged, that is, the arc center line of the baffle 117 coincides with the central axis of the polishing wheel 121. In other embodiments, the arc center line of the baffle 117 may not coincide with the central axis of the polishing wheel 121.

Through designing baffle 117 into the arc form, this arc angle and polishing wheel 121 phase-match make baffle 117 shelter from polishing wheel 121 better, have played better protective effect.

In this embodiment, the sliding guide mechanism includes a guide hole 1171 opened along the extending direction of the arc surface of the baffle 117, and a guide member connected to the housing 11 and capable of passing through the guide hole 1171. Through seting up guiding hole 1171 in the cambered surface extending direction of baffle 117, at the in-process that baffle 117 accomodates, baffle 117 can rotate around the central axis of polishing wheel 121, avoids baffle 117 to collide with polishing wheel 121 at the in-process of accomodating, makes the process of accomodating more smooth and easy.

Further, a mounting plate 118 extends from the outer wall of the housing 11 above the baffle 117, a mounting hole (not shown) is formed in the mounting plate 118, and the guide member includes a threaded fastener capable of passing through the mounting hole to fix the baffle 117 and the mounting plate 118. Preferably, the mounting plate 118 is arcuate and conforms to the arcuate surface of the baffle 117.

Through extending to set up mounting panel 118 on the outer wall of casing 11, increased the area of being connected with baffle 117, promoted the stability of baffle 117 slide adjusting in-process, also improved the stability that baffle 117 is connected with casing 11. Moreover, the mounting plate 118 is arranged to be arc-shaped, so that the mounting plate can be better attached to the arc-shaped surface of the baffle 117, a certain guiding effect is provided for the sliding adjustment of the baffle 117, and the stability of the sliding adjustment of the baffle 117 is also improved. In addition, through setting up threaded fastener, can carry out the tight regulation to baffle 117, when not needing slide damper 117, usable threaded fastener fixes baffle 117, avoids baffle 117 not hard up and brings the potential safety hazard.

Furthermore, at least two mounting holes are formed in the mounting plate 118 along the extending direction of the guide hole 1171, and the threaded fastener is correspondingly mounted in each mounting hole. In this embodiment, the mounting plate 118 has two mounting holes along the extending direction of the guide hole 1171. Through setting up more than two mounting holes, provide more restraint for the sliding adjustment of baffle 117, prevent that baffle 117 from taking place the yaw in the slip process, improved the stability that baffle 117 and mounting panel 118 are connected.

In this embodiment, the blocking plate 117 is symmetrically disposed with respect to the polishing wheel 121, and further, at least two guiding holes 1171 are formed on the blocking plate 117 along a width direction thereof. In this embodiment, the baffle 117 has two guide holes 1171 formed along the width direction thereof.

Through setting up a plurality of guiding holes 1171, make baffle 117 more stable when carrying out the slide adjusting relative mounting panel 118, avoid baffle 117 to take place the yaw, also increased the fastening point of baffle 117 with mounting panel 118, improved the reliability that baffle 117 and mounting panel 118 are connected.

Specifically, the guide hole 1171 is opened on the side of the projected position of the polishing wheel 121 on the baffle 117. I.e., the guide hole 1171 is not disposed opposite the polishing wheel 121. Through setting up like this, make guiding hole 1171 avoid throwing aureola 121, the dismouting of baffle 117 of being convenient for, simultaneously, also can avoid threaded fastener and throwing aureola 121 to take place the contact, reduce the potential safety hazard.

In this embodiment, the blocking plate 117 includes a main blocking plate 1172 and two side blocking plates 1173, the two side blocking plates 1173 are respectively connected to two sides of the main blocking plate 1172, the main blocking plate 1172 extends along the circumferential direction of the polishing wheel 121, and the side blocking plates 1173 are respectively disposed on two sides of the polishing wheel 121 and are parallel to the end surface of the polishing wheel 121.

Through setting up main baffle 1172 and side baffle 1173, the increase is to the area of sheltering from of throwing aureola 121, avoids under the condition of maloperation foreign object and throwing aureola 121 to take place the contact, has further reduced the potential safety hazard.

In the embodiment, the polishing machine 1 is adapted to be electrically connected to the touch pressure sensing device 2, the polishing machine 1 includes a control module 16, the polishing driving module 122 is electrically connected to the control module 16, the polishing driving module 122 is configured to drive the polishing wheel 121 to rotate, and the control module 16 is configured to respond to a pressure-release sensing signal sent by the touch pressure sensing device 2 and drive the polishing driving module 122 to stop working.

In the embodiment, the touch pressure sensing device 2 may be installed on the seat to receive a touch pressure sensing effect, specifically, when a worker sits on the seat, the touch pressure sensing device 2 is touched, and when the worker leaves the seat, the touch pressure sensing device 2 releases the pressure, and at this time, a pressure release sensing signal is sent out, so that the polishing driving module 122 stops working.

The control module 16 can respond to the pressure-release sensing signal sent by the touch pressure sensing device 2 installed on the seat and drive the polishing driving module 122 to stop working, and when the worker leaves the seat, the polishing driving module 122 can automatically stop working to stop the rotation of the polishing wheel 121, so that the potential safety hazard is reduced, and the waste of electric energy is also avoided.

Further, the polishing machine 1 further comprises a wireless receiving module 17 electrically connected with the control module 16, and the wireless receiving module 17 is configured to receive a wireless signal sent by the touch pressure sensing device 2 and send the wireless signal to the control module 16. Specifically, the wireless communication mode of the polishing machine 1 and the touch pressure sensing device 2 may be WiFi or bluetooth. Through adopting wireless communication connection's mode, reduce the use of cable, it is more convenient to connect, has also reduced the potential safety hazard moreover.

Further, an illuminating lamp 18 and a cross flow fan 19 are disposed on the outer wall of the housing 11 above the polishing wheel 121. Specifically, the cross flow fan 19 is disposed above the illumination lamp 18. Through set up light 18 and crossing current fan 19 above polishing wheel 121, provide illumination and pnematic convenient function for staff's operational environment, make the staff operation more comfortable, and crossing current fan 19 can be for the staff cooling, improve human comfort level, also can be for light 18 cooling, improve the security that the electrical apparatus used.

Further, an inclined surface directed obliquely downward is provided on an outer wall of the housing 11, and the illumination lamp 18 and the cross flow fan 19 are attached to the inclined surface. Set up the inclined plane that leans out, make light 18 and crossing current fan 19 lean on more outward for throwing aureola 121, be close to the human body more promptly, avoid light and air current to receive to shelter from, improve illuminating effect and cooling effect. Moreover, because the illuminating lamp 18 and the cross flow fan 19 are installed on the inclined surface, the illuminating lamp 18 and the cross flow fan 19 are oriented obliquely downward, i.e. toward the operation position of the worker, so that a better illuminating effect and a better cooling effect can be achieved.

Further, a baffle 119 is provided above the cross flow fan 19 on the inclined surface, and the baffle 119 extends in an obliquely downward direction. Through set up guide plate 119 above crossflow fan 19, make the air current blow more to staff's operating position, also can reduce the loss of invalid electric energy when improving the cooling effect.

In this embodiment, the control module 16 is further configured to respond to the pressure-release sensing signal and stop the operation of the cross-flow fan 19 and the illumination lamp 18. When the worker leaves the seat, the control module 16 receives the pressure-release sensing signal and automatically drives the cross-flow fan 19 and the illuminating lamp 18 to stop working, thereby further reducing the waste of electric energy. Further, the control module 16 also drives the fan 132 and the water pump 143 to stop operating when receiving the pressure-release sensing signal.

The utility model also provides a polishing safety coefficient, including foretell burnishing machine 1 and touch pressure induction system 2, touch pressure induction system 2 is including touch pressure induction module 21, touch pressure induction module 21 is used for sending the pressure release induction signal to control module 16 when the pressure release, control module 16 is used for responding pressure release induction signal orders about polishing drive module 122 stop work.

Further, the touch pressure sensing device 2 further includes a wireless transmitting module 22 electrically connected to the touch pressure sensing module 21, and the wireless transmitting module 22 is configured to transmit a wireless signal to the control module 16.

By adopting the polishing machine 1 and the touch pressure sensing device 2 mounted on the seat, when a worker leaves the seat, the polishing wheel 121 can stop rotating, and the safety of the polishing machine 1 is improved.

To sum up, the utility model has the advantages of it is following:

1. the utility model relates to an among burnishing machine 1, through set up updraft ventilator 13 and spray set in dust removal chamber 111, utilize updraft ventilator 13's negative pressure effect to inhale the dust that produces among the polishing process and remove dust chamber 111 in, recycle shower 141 and spray, will remove dust the dust in the chamber 111 and pass through spray water and discharge through outlet 1111 to played the effect of avoiding polishing dust pollution surrounding environment.

2. The utility model relates to an among burnishing machine 1, through set up the slip guiding mechanism between baffle 117 and casing 11, make baffle 117 slidable accomodate in the cavity, when overhauing change to throwing aureola 121, can avoid baffle 117 to cause to shelter from throwing aureola 121 to be convenient for change throwing aureola 121.

3. The utility model relates to a among the burnishing machine 1, control module 16 can respond the pressure release sensing signal of installing the touch pressure induction system 2 sending on the seat and order about polishing drive module 122 stop work, when the staff left the seat, but polishing drive module 122 automatic shutdown work makes throwing aureola 121 stall to reduce the potential safety hazard, the waste of the electric energy of also avoiding.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The polishing machine is characterized in that: including casing, burnishing device, updraft ventilator and spray set, be equipped with the dust removal chamber in the casing, burnishing device installs in the dust removal chamber opening part, spray set is including installing the shower in the dust removal intracavity, updraft ventilator including intercommunication to the air-supply line in dust removal chamber, the air intake orientation of air-supply line burnishing device, dust removal chamber bottom in the outlet has been seted up under the air intake.

2. The polishing machine of claim 1, wherein: still include water circulating system, water circulating system includes water catch bowl, filter equipment and water pump, the water catch bowl with the outlet intercommunication, filter equipment is used for filtering the sewage that the outlet flows, the water pump is used for carrying to the shower in with the water catch bowl through filterable water.

3. The polishing machine of claim 2, wherein: the water collecting tank is internally provided with a separation net, and the filtering device comprises filtering cotton placed above the separation net.

4. The polishing machine of claim 3, wherein: the shell is provided with a flow guide cavity, the flow guide cavity is communicated with the dust removal cavity through a water outlet, a water outlet is formed in the flow guide cavity above the water collecting tank, and the bottom of the flow guide cavity is gradually inclined downwards from the water outlet to the water outlet.

5. The polishing machine of claim 3, wherein: the water catch bowl top is equipped with the backup pad that is used for installing the water pump, the observation window has been seted up in the backup pad, the observation window upper cover is equipped with the apron.

6. The polishing machine of claim 1, wherein: the air draft device comprises a fan and an air outlet pipe, the air outlet pipe and the air inlet pipe are respectively connected to the fan, the air outlet pipe extends to the bottom of the shell, and a dust collection bag is arranged at an air outlet of the air outlet pipe.

7. The polishing machine of claim 1, wherein: the air inlet pipe is provided with a filter box on the ventilation channel, a containing cavity for placing the filter box is arranged in the shell, a replaceable filter screen is arranged in the filter box, and an access hole for replacing the filter screen is formed in the containing cavity.

8. The polishing machine of claim 1, wherein: the shower includes main water pipe and connects in the lateral wall at main water pipe both ends, main water pipe laminates on the lateral wall that is equipped with the outlet in the dust removal intracavity, two the lateral wall perpendicular to main water pipe extends along the horizontal direction.

9. The polishing machine of claim 8, wherein: and the bottom of the dust removing cavity is provided with a water baffle plate on each of two sides of the water outlet, and the water baffle plates extend along the direction of the water outlet.

10. The polishing machine of claim 8, wherein: the side wall of the dust removing cavity, which is provided with the water outlet, is obliquely arranged in a guiding way.

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