阅读说明：本技术 一种铝板水性烤瓷表面处理装置及方法 (Aluminum plate water-based porcelain surface treatment device and method ) 是由 谢增雄 于 2021-07-13 设计创作，主要内容包括：本发明公开了一种铝板水性烤瓷表面处理装置及方法,包括用于放置待加工板材的支撑板,所述支撑板下端四角位置分别设有一个支腿,每个支腿下端都设有一个支撑块,所述支撑板右端设有用于对板材进行打磨的打磨组件,所述支撑板上端面设有用于对板材进行定位的定位组件,所述支撑板左端设有用于对板材进行翻面的翻面组件,本发明针对现有装置的弊端进行设计,可以对板材快速翻面处理,且不会造成板材部分形变,保证了板材的预处理质量。(The invention discloses an aluminum plate water-based porcelain surface treatment device and method, which comprises a supporting plate for placing a plate to be processed, wherein four corners of the lower end of the supporting plate are respectively provided with a supporting leg, the lower end of each supporting leg is provided with a supporting block, the right end of the supporting plate is provided with a polishing assembly for polishing the plate, the upper end surface of the supporting plate is provided with a positioning assembly for positioning the plate, and the left end of the supporting plate is provided with a turn-over assembly for turning over the plate.)

1. The aluminum plate water-based porcelain surface treatment device comprises a supporting plate (11) used for placing a plate to be processed, wherein four corners of the lower end of the supporting plate (11) are respectively provided with a supporting leg (12), the lower end of each supporting leg (12) is provided with a supporting block (13), the right end of the supporting plate (11) is provided with a polishing assembly used for polishing the plate, the upper end surface of the supporting plate (11) is provided with a positioning assembly used for positioning the plate, and the left end of the supporting plate (11) is provided with a turnover assembly used for turning over the plate;

its characterized in that, the turn-over subassembly is including setting up at the left location mounting panel of backup pad (11), it is equipped with a transfer line to rotate through fixing bearing (15) on the location mounting panel, the transfer line lower extreme is connected with the output of rotating electrical machines (14), the transfer line upper end is connected with mounting disc (16) bottom intermediate position, mounting disc (16) upper end level is equipped with a turn-over pivot, and turn-over pivot both ends are connected fixedly through bearing frame (19) and mounting disc (16), bearing frame (19) side is equipped with at least one negative pressure pipe (20), negative pressure pipe (20) surface is equipped with a plurality of negative pressure suction cup (21) that are used for adsorbing panel, the inside bleed passage that is equipped with negative pressure pipe (20) intercommunication of turn-over pivot, bleed passage and negative pressure pump's bleed end intercommunication, the turn-over pivot is connected and is used for driving its pivoted driving piece, the upper end face of the supporting plate (11) is provided with a containing groove (22) which is convenient for containing the negative pressure sucker (21) and the negative pressure pipe (20).

2. The aluminum plate water-based porcelain surface treatment device according to claim 1, wherein the number of the negative pressure pipes (20) is two, and the negative pressure pipes are symmetrically arranged.

3. The aluminum plate water-based porcelain surface treatment device as claimed in claim 1, wherein the turnover driving member comprises a driven gear (18) arranged at the end of the turnover rotating shaft, the driven gear (18) is meshed with a driving gear, and the driving gear is arranged at the output end of a steering motor (17).

4. The aluminum plate water-based porcelain surface treatment apparatus according to claim 1, the grinding component comprises a fixed vertical plate (39) arranged at the right end of the supporting plate (11), a lifting slide block (38) is arranged at the left end of the fixed vertical plate (39) in a sliding way, the lifting slide block (38) is connected with a lifting driving piece for driving the lifting slide block to slide up and down, the end part of the lifting slide block (38) is provided with a guide clamping block (35), a transverse plate (34) is matched between the two guide clamping blocks (35) in a sliding way, the transverse plate (34) is connected with a horizontal pushing piece for driving the transverse plate to move horizontally, a horizontal telescopic rod is arranged at the left end of the transverse plate (34), the output end of the horizontal telescopic rod is fixedly connected with the side surface of the mounting seat (32), a polishing motor (33) is installed to mount pad (32) up end, the output of polishing motor (33) is equipped with the piece of polishing.

5. The aluminum plate water-based porcelain surface treatment device according to claim 4, wherein the polishing member comprises a negative pressure box (27) arranged at the output end of a polishing motor (33), dust suction fan blades (26) are arranged inside the negative pressure box (27), an exhaust port is formed in the upper end surface of the negative pressure box (27), a fixing sleeve is arranged at the lower end of the mounting seat (32), the lower end of the fixing sleeve is rotationally sealed with the outer side of the upper end of the negative pressure box (27), the outer side of the fixing sleeve is connected with a filter box (28) through a communicating pipe, a filter screen is arranged inside the filter box (28), an exhaust port is formed in the right side of the filter box (28), a first polishing disc (25) is fixed at the lower end of the negative pressure box (27), a second polishing disc (29) is slidably matched with the outer side of the first polishing disc (25), a rotation limiting member is arranged between the second polishing disc (29) and the first polishing disc (25), first make mill dish (25) intermediate position be equipped with the dust absorption opening, the dust absorption opening communicates with negative pressure case (27) lower port, ventilative groove has been seted up to terminal surface under second make mill dish (29) and first make mill dish (25), a switching catch bar (31) is installed in mount pad (32) outside, the output of switching catch bar (31) is equipped with the rectangular block, and the rectangular block lower extreme rotates and is equipped with one and is used for pressing the support of second make mill dish (29) up end and presses steel ball (30), the coefficient of friction of terminal surface is different under second make mill dish (29) and first make mill dish (25).

6. The aluminum plate water-based porcelain surface treatment device according to claim 5, wherein the rotation limiting part comprises a limiting cavity arranged inside the second polishing disc (29), the outer side of the first polishing disc (25) where the limiting cavity is located is in sliding fit with a limiting side block (23), the lower side of the limiting side block (23) and the inner bottom of the limiting cavity are fixedly connected through a first spring (24), and the lower end face of the second polishing disc (29) is higher than the lower end face of the first polishing disc (25) under the pushing of the first spring (24).

7. The aluminum plate water-based porcelain surface treatment device according to claim 4, wherein the horizontal pushing member comprises a horizontal groove formed in the upper end surface of the guide clamping block (35), a driving block (36) connected with the transverse plate (34) is in sliding fit in the horizontal groove, a horizontal screw rod is arranged on the driving block (36) in a matching manner, one end of the horizontal screw rod is connected with the output end of a horizontal motor, and the other end of the horizontal screw rod is rotatably connected with a fixed block on the surface of the guide clamping block (35).

8. The aluminum plate water-based porcelain surface treatment device according to claim 4, wherein the lifting driving member comprises a lifting screw hole penetrating through a lifting sliding block (38), a lifting screw (37) is arranged in the lifting screw hole in a matching manner, the upper end of the lifting screw (37) is connected with the output end of a lifting motor, and the lower end of the lifting screw (37) is rotatably connected with a fixed block on the surface of a fixed vertical plate (39).

9. The aluminum plate water-based porcelain surface treatment device according to claim 1, wherein the positioning assembly comprises a plurality of mounting holes formed in the upper end surface of the support plate (11), each mounting hole is provided with a telescopic rod, the output end of each telescopic rod is provided with a positioning suction cup, and the air exhaust end of each positioning suction cup is connected with an air exhaust pump.

10. The polishing method of the aluminum plate water-based porcelain surface treatment device as claimed in any one of claims 1 to 9, wherein a plate is placed at the upper end of a support plate (11), the plate is positioned by a positioning assembly, the surface of the plate is polished by a polishing assembly, after polishing of a single surface is completed, a steering motor (17) drives a driving gear to rotate, the driving gear drives a turn-over rotating shaft to rotate through a driven gear (18), so that a negative pressure suction cup (21) on the surface of a negative pressure pipe (20) is tightly attached to the surface of the plate, a negative pressure pump works to complete adsorption and fixation of the plate, then the steering motor (17) rotates reversely to enable the plate to be in a vertical state, then a rotating motor (14) rotates by eighty degrees, then the negative pressure pipe (20) rotates towards the surface of the support plate (11), so that the other surface of the plate is in contact with the surface of the support plate (11), negative pressure pipe (20) and negative pressure suction cup (21) are taken in and are accomodate groove (22) this moment, thereby accomplish the turn-over of panel, and then polish the another side, when polishing panel, grinding motor (33) drive negative pressure case (27) and rotate, dust absorption flabellum (26) can rotate fast this moment, and then produce the negative pressure, the air current of polishing face can get into negative pressure case (27) along the dust absorption opening, at last filtered by rose box (28), not only can cool down the head of polishing like this, can also accomplish the dust fall and handle, environmental pollution has been reduced.

Technical Field

The invention relates to the technical field of aluminum plate processing, in particular to a device and a method for treating the water-based porcelain surface of an aluminum plate.

Background

The porcelain aluminum plate is coated with the pure inorganic water-soluble silicate coating, so that the material has good fireproof performance, corrosion resistance and ultrahigh hardness, and is particularly widely applied to interior decoration of subway stations. Porcelain aluminum panels have almost completely replaced enameled steel panels for subway platform decoration in korea and japan. In many built subway platforms in China in recent two years, porcelain aluminum plates are used as main decorative materials, and the porcelain aluminum plates are also designed as the main decorative materials for many subway platforms to be built.

Aluminum plate need carry out the preliminary treatment to the panel surface before carrying out the porcelain, thereby make the panel surface level and smooth, carry out the porcelain operation on this basis and can make porcelain layer quality better, current device generally carries out polishing treatment to aluminum plate surface, but current device hardly carries out turn-over processing to aluminum plate when polishing to aluminum plate, just so lead to machining efficiency lower, traditional turn-over adopts the centre gripping turn-over, but aluminum plate thickness itself is thinner, so this kind of centre gripping turn-over causes the problem of panel edge deformation very easily, based on this, an aluminum plate waterborne porcelain surface treatment device and method are now provided.

Disclosure of Invention

The invention aims to provide a device and a method for treating the surface of an aluminum plate water-based porcelain, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the aluminum plate water-based porcelain surface treatment device comprises a supporting plate for placing a plate to be processed, wherein four corners of the lower end of the supporting plate are respectively provided with a supporting leg, the lower end of each supporting leg is provided with a supporting block, the right end of the supporting plate is provided with a polishing assembly for polishing the plate, the upper end surface of the supporting plate is provided with a positioning assembly for positioning the plate, and the left end of the supporting plate is provided with a turn-over assembly for turning over the plate;

the turn-over subassembly is including setting up at the left location mounting panel of backup pad, it is equipped with a transfer line to rotate through fixing bearing on the location mounting panel, the transfer line lower extreme is connected with the output of rotating electrical machines, the transfer line upper end is connected with mounting disc bottom intermediate position, mounting disc upper end level is equipped with a turn-over pivot, and turn-over pivot both ends are passed through the bearing frame and are connected fixedly with the mounting disc, the bearing frame side is equipped with at least one negative pressure pipe, the negative pressure pipe surface is equipped with the negative suction cup that a plurality of is used for adsorbing panel, the inside bleed-off passage that is equipped with the negative pressure pipe intercommunication of turn-over pivot, bleed-off passage and negative pressure pump's bleed-off end intercommunication, the turn-over pivot is connected and is used for driving its pivoted upset driving piece, the groove of accomodating of being convenient for negative pressure suction cup and negative pressure pipe to accomodate is seted up to the backup pad up end.

As a further scheme of the invention: the number of the negative pressure pipes is two, and the negative pressure pipes are symmetrically arranged.

As a further scheme of the invention: the overturning driving piece comprises a driven gear arranged at the end part of the overturning rotating shaft, the driven gear is meshed with the driving gear, and the driving gear is arranged at the output end of the steering motor.

As a further scheme of the invention: the polishing component comprises a fixed vertical plate arranged at the right end of a supporting plate, a lifting slide block is arranged at the left end of the fixed vertical plate in a sliding mode, the lifting slide block is connected with a lifting driving piece used for driving the lifting slide block to slide up and down, a guide clamping block is arranged at the end portion of the lifting slide block, a transverse plate is arranged between the two guide clamping blocks in a sliding fit mode, the transverse plate is connected with a horizontal pushing piece used for driving the transverse plate to move horizontally, a horizontal telescopic rod is installed at the left end of the transverse plate, the output end of the horizontal telescopic rod is fixedly connected with the side face of the mounting seat, a polishing motor is installed on the upper end face of the mounting seat, and a polishing piece is arranged at the output end of the polishing motor.

As a further scheme of the invention: the polishing part comprises a negative pressure box arranged at the output end of a polishing motor, dust-absorbing fan blades are arranged inside the negative pressure box, an exhaust port is formed in the upper end face of the negative pressure box, a fixing sleeve is arranged at the lower end of the mounting seat, the lower end of the fixing sleeve is rotationally sealed with the outer side of the upper end of the negative pressure box, the outer side of the fixing sleeve is connected with a filter box through a communicating pipe, a filter screen is arranged inside the filter box, the exhaust port is formed in the right side of the filter box, a first polishing disc is fixed at the lower end of the negative pressure box, a second polishing disc is slidably matched with the outer side of the first polishing disc, a rotation limiting part is arranged between the second polishing disc and the first polishing disc, a dust-absorbing through port is arranged in the middle of the first polishing disc and is communicated with the lower end port of the negative pressure box, ventilating grooves are formed in the lower end faces of the second polishing disc and the first polishing disc, and a switching push rod is arranged outside the mounting seat, the output end of the switching push rod is provided with a rectangular block, the lower end of the rectangular block is rotatably provided with a pressing steel ball used for pressing the upper end face of the second polishing disc, and the friction coefficients of the lower end faces of the second polishing disc and the first polishing disc are different.

As a further scheme of the invention: the rotary limiting part comprises a limiting cavity arranged inside the second polishing disc, a limiting side block is arranged on the outer side of the first polishing disc where the limiting cavity is located in a sliding fit mode, the lower side of the limiting side block is fixedly connected with the bottom of the limiting cavity through a first spring, and the lower end face of the second polishing disc is higher than the lower end face of the first polishing disc under the pushing of the first spring.

As a further scheme of the invention: the horizontal pushing piece comprises a horizontal groove formed in the upper end face of the guide clamping block, a transmission block connected with the transverse plate is arranged in the horizontal groove in a sliding fit mode, a horizontal screw rod is arranged on the transmission block in a matching mode, one end of the horizontal screw rod is connected with the output end of the horizontal motor, and the other end of the horizontal screw rod is connected with a fixed block on the surface of the guide clamping block in a rotating mode.

As a further scheme of the invention: the lifting driving piece comprises a lifting screw hole penetrating through the lifting sliding block, a lifting screw rod is arranged in the lifting screw hole in a matched mode, the upper end of the lifting screw rod is connected with the output end of a lifting motor, and the lower end of the lifting screw rod is rotatably connected with a fixed block on the surface of a fixed vertical plate.

As a still further scheme of the invention: the locating component comprises a plurality of mounting holes formed in the upper end face of the supporting plate, a telescopic rod is arranged in each mounting hole, a locating sucker is mounted at the output end of each telescopic rod, and the air pumping end of each locating sucker is connected with an air pumping pump.

Compared with the prior art, the invention has the beneficial effects that:

the invention is designed aiming at the defects of the prior device, can quickly turn over the plate, can not cause the deformation of the plate part and ensures the pretreatment quality of the plate;

when the plate is polished, fine polishing and coarse polishing can be switched according to needs, switching is rapid, polishing effect is improved, dust pollution generated by polishing can be adsorbed, and environmental protection performance of the device is effectively improved;

the location in this application utilizes the negative pressure to adsorb fixedly to can not occupy the area of panel up end, realize not having the dead angle and polish.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic structural diagram of the rotation limiting member according to the present invention.

Fig. 4 is a schematic structural diagram of the second polishing disc and the first polishing disc in the present invention.

Wherein: the device comprises a supporting plate 11, supporting legs 12, a supporting block 13, a rotating motor 14, a fixed bearing 15, a mounting plate 16, a steering motor 17, a driven gear 18, a bearing seat 19, a negative pressure pipe 20, a negative pressure suction cup 21, a containing groove 22, a limiting side block 23, a first spring 24, a first polishing disc 25, dust suction fan blades 26, a negative pressure box 27, a filter box 28, a second polishing disc 29, a pressing steel ball 30, a switching push rod 31, a mounting seat 32, a polishing motor 33, a transverse plate 34, a guide clamping block 35, a transmission block 36, a lifting screw 37, a lifting slide block 38 and a fixed vertical plate 39.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, in the embodiment of the present invention, an aluminum plate water-based porcelain surface treatment apparatus includes a support plate 11 for placing a plate to be processed, four corners of a lower end of the support plate 11 are respectively provided with a support leg 12, a support block 13 is provided at a lower end of each support leg 12, a polishing assembly for polishing the plate is provided at a right end of the support plate 11, a positioning assembly for positioning the plate is provided at an upper end surface of the support plate 11, and a turn-over assembly for turning over the plate is provided at a left end of the support plate 11;

during actual processing, a plate is placed at the upper end of the supporting plate 11, the plate is positioned through the positioning assembly, the surface of the plate is polished through the polishing assembly, and after one surface of the plate is polished, the plate is turned over through the turning-over assembly, and the other surface of the plate is polished;

the turn-over assembly comprises a positioning mounting plate arranged on the left side of a support plate 11, a transmission rod is arranged on the positioning mounting plate through a fixed bearing 15 in a rotating mode, the lower end of the transmission rod is connected with the output end of a rotating motor 14, the upper end of the transmission rod is connected with the middle position of the bottom of a mounting plate 16, the upper end of the mounting plate 16 is horizontally provided with a turn-over rotating shaft, the two ends of the turn-over rotating shaft are fixedly connected with the mounting plate 16 through a bearing seat 19, the side surface of the bearing seat 19 is provided with at least one negative pressure pipe 20, the surface of the negative pressure pipe 20 is provided with a plurality of negative pressure suckers 21 used for adsorbing plates, an air suction channel communicated with the negative pressure pipe 20 is arranged inside the turn-over rotating shaft, the air suction channel is communicated with the air suction end of the negative pressure pump, the end part of the turn-over rotating shaft is provided with a driven gear 18, the driven gear 18 is mutually meshed with a driving gear, and the driving gear is arranged at the output end of a steering motor 17, the upper end surface of the supporting plate 11 is provided with a containing groove 22 which is convenient for containing the negative pressure sucker 21 and the negative pressure pipe 20;

when a plate on the supporting plate 11 needs to be turned, the steering motor 17 drives the driving gear to rotate, the driving gear drives the turning rotating shaft to rotate through the driven gear 18, the negative pressure suction cup 21 on the surface of the negative pressure pipe 20 is made to cling to the surface of the plate, the negative pressure pump works to complete the adsorption and fixation of the plate, then the plate is in a vertical state through the reverse rotation of the steering motor 17, then the negative pressure pipe 20 rotates one hundred eighty degrees through the rotating motor 14, the negative pressure pipe 20 rotates towards the surface of the supporting plate 11, the other surface of the plate is made to be in contact with the surface of the supporting plate 11, and at the moment, the negative pressure pipe 20 and the negative pressure suction cup 21 are collected into the collecting groove 22 to complete the turning of the plate;

the polishing assembly comprises a fixed vertical plate 39 arranged at the right end of the supporting plate 11, a lifting slide block 38 is arranged at the left end of the fixed vertical plate 39 in a sliding manner, the lifting slide block 38 is connected with a lifting driving piece for driving the lifting slide block to slide up and down, guide clamping blocks 35 are arranged at the end part of the lifting slide block 38, a transverse plate 34 is arranged between the two guide clamping blocks 35 in a sliding fit manner, the transverse plate 34 is connected with a horizontal pushing piece for driving the transverse plate to move horizontally, a horizontal telescopic rod is arranged at the left end of the transverse plate 34, the output end of the horizontal telescopic rod is fixedly connected with the side surface of the mounting seat 32, a polishing motor 33 is arranged on the upper end surface of the mounting seat 32, a polishing piece is arranged at the output end of the polishing motor 33, and the polishing piece is driven to work by the polishing motor 33, so that the polishing treatment on the plate is completed;

the polishing part comprises a negative pressure box 27 arranged at the output end of a polishing motor 33, a dust suction fan blade 26 is arranged inside the negative pressure box 27, an exhaust port is formed in the upper end surface of the negative pressure box 27, a fixing sleeve is arranged at the lower end of a mounting seat 32, the lower end of the fixing sleeve is rotationally sealed with the outer side of the upper end of the negative pressure box 27, the outer side of the fixing sleeve is connected with a filter box 28 through a communicating pipe, a filter screen is arranged inside the filter box 28, an exhaust port is formed in the right side of the filter box 28, a first polishing disk 25 is fixed at the lower end of the negative pressure box 27, a second polishing disk 29 is slidably matched with the outer side of the first polishing disk 25, a rotation limiting part is arranged between the second polishing disk 29 and the first polishing disk 25, a dust suction port is formed in the middle position of the first polishing disk 25 and is communicated with the lower port of the dust suction fan blade 26, and a ventilation groove is formed in the lower end surfaces of the second polishing disk 29 and the first polishing disk 25, a switching push rod 31 is installed on the outer side of the installation seat 32, a rectangular block is arranged at the output end of the switching push rod 31, a pressing steel ball 30 used for pressing the upper end face of the second polishing disc 29 is rotatably arranged at the lower end of the rectangular block, the friction coefficients of the lower end faces of the second polishing disc 29 and the first polishing disc 25 are different, when the first polishing disc 25 completes rough polishing, the pressing steel ball 30 is driven to move downwards through the switching push rod 31, so that the second polishing disc 29 is pushed to slide downwards, the lower end face of the second polishing disc 29 is in contact with a plate, and further polishing of the plate is further realized;

when a plate is polished, the polishing motor 33 drives the negative pressure box 27 to rotate, the dust suction fan blades 26 can rapidly rotate at the moment to generate negative pressure, air flow of a polished surface can enter the negative pressure box 27 along the dust suction port and is finally filtered by the filter box 28, so that the temperature of the polishing head can be reduced, dust falling treatment can be completed, and environmental pollution is reduced;

the turnover assembly further comprises a displacement mechanism for adjusting the height of the mounting disc 16, the displacement mechanism comprises a displacement sliding sleeve fixedly connected with the positioning mounting plate and the rotating motor 14, the displacement sliding sleeve is sleeved on the supporting leg 12 in a sliding manner, the displacement sliding sleeve is connected with a displacement push rod for driving the displacement push rod to slide up and down along the supporting leg 12, and the height of the adsorbed plate can be adjusted through the displacement mechanism, so that the angle is better when the plate is placed;

the rotation limiting part comprises a limiting cavity arranged in the second polishing disc 29, a limiting side block 23 is arranged on the outer side of the first polishing disc 25 where the limiting cavity is located in a sliding fit mode, the lower side of the limiting side block 23 is fixedly connected with the bottom in the limiting cavity through a first spring 24, and the lower end face of the second polishing disc 29 is higher than the lower end face of the first polishing disc 25 under the pushing of the first spring 24;

the horizontal pushing part comprises a horizontal groove arranged on the upper end surface of the guide clamping block 35, a transmission block 36 connected with the transverse plate 34 is arranged in the horizontal groove in a sliding fit mode, a horizontal screw rod is arranged on the transmission block 36 in a matching mode, one end of the horizontal screw rod is connected with the output end of a horizontal motor, the other end of the horizontal screw rod is connected with a fixed block on the surface of the guide clamping block 35 in a rotating mode, and under the action of the horizontal motor, the horizontal screw rod and the transmission block 36 rotate relatively, so that the transverse plate 34 is driven to move horizontally along the lifting slide block 38;

the lifting driving piece comprises a lifting screw hole penetrating through a lifting sliding block 38, a lifting screw 37 is arranged in the lifting screw hole in a matching mode, the upper end of the lifting screw 37 is connected with the output end of a lifting motor, the lower end of the lifting screw 37 is rotatably connected with a fixed block on the surface of a fixed vertical plate 39, and under the action of the lifting motor, the lifting screw 37 and the lifting sliding block 38 rotate relatively, so that the lifting sliding block 38 is driven to move up and down, and the grinding height is adjusted;

the locating component comprises a plurality of mounting holes formed in the upper end face of the supporting plate 11, a telescopic rod is arranged in each mounting hole, a locating sucker is installed at the output end of each telescopic rod, the air pumping end of each locating sucker is connected with an air pumping pump, and when the locating component is located, the telescopic rods drive the locating suckers to move upwards, so that the locating suckers are abutted to the bottom of a plate to be in pressure contact with the bottom of the plate, then the locating component works through the air pumping pumps, and the plate is located by negative pressure adsorption.

The working principle of the invention is as follows: when the plate polishing machine is in actual use, a plate is placed at the upper end of the supporting plate 11, the plate is positioned through the positioning assembly, the surface of the plate is polished through the polishing assembly, after one side of the plate is polished, the steering motor 17 drives the driving gear to rotate, the driving gear drives the turn-over rotating shaft to rotate through the driven gear 18, the negative pressure sucker 21 on the surface of the negative pressure pipe 20 is enabled to be tightly attached to the surface of the plate, the negative pressure pump works to complete the adsorption and fixation of the plate, then the plate is in a vertical state through the reverse rotation of the steering motor 17, then the rotating motor 14 rotates one hundred eighty degrees, the negative pressure pipe 20 rotates towards the surface of the supporting plate 11, the other side of the plate is enabled to be in contact with the surface of the supporting plate 11, at the moment, the negative pressure pipe 20 and the negative pressure sucker 21 are collected in the collecting groove 22, the turn-over of the plate is completed, the other side of the plate is polished, when the plate is polished, grinding motor 33 drives negative pressure tank 27 and rotates, and dust absorption flabellum 26 can fast turn this moment, and then produces the negative pressure, and the air current of the face of polishing can get into negative pressure tank 27 along the dust absorption opening, is filtered by rose box 28 at last, not only can cool down the head of polishing like this, can also accomplish the dust fall and handle, has reduced environmental pollution.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.