CN210125947U

CN210125947U - A polishing grinding device for production and processing of LED bill-board

Info

Publication number: CN210125947U
Application number: CN201920192781.7U
Authority: CN
Inventors: 廖建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-12
Filing date: 2019-02-12
Publication date: 2020-03-06
Anticipated expiration: 2029-02-12

Abstract

The utility model relates to the technical field of accessory devices for billboard production, in particular to a polishing and grinding device for LED billboard production and processing, which can conveniently limit the position of a polishing wheel, conveniently perform polishing and grinding treatment and improve the practicability; the heat dissipation can be conveniently carried out, and the use limitation is reduced; comprises a shell, a motor, a transmission shaft and a polishing wheel; the support device is characterized by also comprising a workbench, four groups of support columns, an upper fixing plate, a lower fixing plate, a connecting plate, a plurality of groups of fixed threaded rods, a fixing column, a support table, two groups of limit threaded rods and two groups of limit nuts, wherein two groups of fixing rings are arranged on the right side wall of the shell, and the top ends of the two groups of limit threaded rods respectively penetrate through the two groups of fixing rings; the device is characterized by further comprising a treatment box, a transmission pipe, a transmission pump, a filter screen, a partition plate, a plurality of groups of spiral cooling pipes, a plurality of groups of backflow pipes and an air outlet cover, wherein a blocking cover is arranged on the front side wall of the treatment box, and the bottom end and the top end of the rear side wall of the treatment box are respectively communicated with a water inlet pipe and a water outlet pipe.

Description

A polishing grinding device for production and processing of LED bill-board

Technical Field

The utility model relates to a technical field of bill-board production auxiliary device especially relates to a polishing grinding device for LED bill-board production and processing.

Background

As is well known, a polishing and grinding device for producing and processing LED billboards is an accessory device for polishing and grinding a support frame, a support plate and the like used in the production process of LED billboards to reduce the roughness of the surface of the LED billboards, and is widely used in the field of billboard production; the existing polishing and grinding device for producing and processing the LED advertising board comprises a shell, a motor, a transmission shaft and a polishing wheel, wherein the motor is positioned in the shell; when the existing polishing and grinding device for producing and processing the LED advertising board is used, a user holds the movable handle by hand, the motor is electrified and started, the motor drives the polishing wheel to rotate at a high speed through the transmission shaft, and the position of the shell is moved, so that the polishing wheel rotating at a high speed is close to a product to be polished and ground; the polishing and grinding device for producing and processing the LED advertising board is inconvenient to limit the position of the polishing wheel, is inconvenient to polish and grind and has poor practicability; and it produces a large amount of heats easily at the polishing in-process of polishing, and inconvenient heat dissipation leads to its use limitation higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a polishing wheel which can conveniently limit the position of the polishing wheel, conveniently polish and polish, and improve the practicability; and can conveniently dispel the heat, reduce the polishing grinding device who is used for LED bill-board production and processing of use limitation.

The utility model discloses a polishing and grinding device for LED billboard production and processing, which comprises a shell, a motor, a transmission shaft and a polishing wheel, wherein the motor is positioned in the shell, one end of the transmission shaft passes through the shell and is connected with the output end of the motor, and the polishing wheel is arranged at the other end of the transmission shaft; the top ends of the four groups of supporting columns are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom of the workbench, the right ends of the upper fixing plate and the lower fixing plate are respectively connected with the top end and the bottom end of the left side wall of the connecting plate, the upper fixing plate and the lower fixing plate are respectively positioned above and below the right half area of the workbench, the bottom ends of the multiple groups of fixing threaded rods are respectively screwed with the upper fixing plate, the workbench and the lower fixing plate, the top ends and the bottom ends of the fixing columns are respectively connected with the right half area of the bottom of the supporting table and the top of the upper fixing plate, the bottom ends of the two groups of supporting threaded rods are respectively arranged at the right front side and the right rear side of the top of the supporting table, and the right side wall of the shell is provided with two groups of fixing rings, the top ends of the two groups of limit threaded rods respectively penetrate through the two groups of fixing rings, and the two groups of limit nuts are respectively screwed on the two groups of limit threaded rods; the processing box is arranged at the top of a workbench, a processing cavity is arranged inside the processing box, a cleaning port is arranged on the front side wall of the processing box and is communicated with the processing cavity, a blocking cover is arranged on the front side wall of the processing box, an air inlet hole is formed in the blocking cover, the output end of the transmission pipe is arranged at the air outlet hole, the transmission pump is arranged on the transmission pipe, the filter screen is arranged in the front half area of the processing box, the dividing plate is arranged in the central area of the processing box and divides the processing cavity into a front cavity and a rear cavity, a plurality of groups of front fixing holes and a plurality of groups of rear fixing holes are respectively arranged on the dividing plate and the rear side wall of the processing box, the plurality of groups of spiral cooling pipes are all positioned in the rear cavity, and the front ends and the rear ends of the plurality of groups of spiral cooling pipes are respectively arranged at the front fixing holes and the rear fixing holes, the multi-group backflow pipe input end and the multi-group backflow pipe output end are communicated with the rear ends of the multi-group spiral cooling pipes and the air outlet cover respectively, the air outlet cover is installed at the rear end of the top of the supporting table, and the bottom end and the top end of the rear side wall of the treatment box are communicated with a water inlet pipe and a water outlet pipe respectively.

The utility model discloses a polishing grinding device for LED bill-board production and processing still includes the air-collecting cover, the air-collecting cover is installed at a supporting bench top front end, transmission pipe input and air-collecting cover intercommunication.

The utility model discloses a polishing grinding device for LED bill-board production and processing, the supporting ring behind supporting rod, preceding supporting ring, multiunit and the multiunit still include, preceding supporting rod both ends are connected with preceding supporting ring and a supporting bench front end respectively, the supporting rod both ends are connected with the back supporting rod of multiunit and a supporting bench rear end respectively behind the multiunit, the supporting ring suit is fixed respectively behind preceding supporting ring and the multiunit on transmission is hung and the multiunit back flow.

The utility model discloses a polishing grinding device for LED bill-board production and processing still includes the multiunit gag lever post, multiunit gag lever post top and bottom are connected with a supporting bench bottom and processing roof portion respectively.

The utility model discloses a polishing grinding device for LED bill-board production and processing still includes limiting plate and two sets of spacing springs, two sets of spacing spring tops and bottom are connected with limiting plate bottom and a supporting bench top half right region respectively, limiting plate and shell top contact.

The utility model discloses a polishing grinding device for LED bill-board production and processing still includes the blotter, the blotter is installed in a brace table top half region on the left side.

The utility model discloses a polishing grinding device for LED bill-board production and processing, stiffener and multiunit back stiffener before still including the multiunit, stiffener one end is connected with the wind-collecting cover and play fan housing respectively behind stiffener and the multiunit before the multiunit to the stiffener other end is connected with a supporting bench top first half region and latter half region respectively behind stiffener and the multiunit before the multiunit.

The utility model discloses a polishing grinding device for LED bill-board production and processing still includes four slipmats of group, four slipmats of group are installed respectively in four support column bottoms of group.

Compared with the prior art, the beneficial effects of the utility model are that: the supporting table can be conveniently fixed above the workbench through a plurality of groups of fixed threaded rods, two groups of fixed sleeves can be arranged on two groups of limit threaded rods, and the shell is fixed on the surface of the supporting table under the fixing action of two groups of fixing nuts, so that the position of the polishing wheel can be conveniently limited; and can be with transmission pump and commercial power electricity connection, start transmission pump simultaneously, the leading-in processing incasement of air that will polish the department through the transmission pipe under transmission pump's effect, filter it through the filter screen, with separation such as sweeps wherein in the filter screen front side region, and go into in the multiunit spiral cooling tube, simultaneously through leading-in cooling water in the inlet tube to the rear chamber, the cooling water carries out the heat exchange with the hot-air in the multiunit spiral tube, cooling water temperature risees and derives through the outlet pipe, the air after the cooling down passes through multiunit back flow and goes out the discharge of fan housing, accelerate the air flow velocity of polishing department, and conveniently dispel the heat, reduce and use the limitation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic left side view of the connection of a treatment tank, a baffle cover, a spiral cooling pipe, a partition plate, a filter screen, a transmission pipe, a transmission pump, a return pipe, a water inlet pipe, a water outlet pipe, an air outlet cover, an air collecting cover, a front support rod, a rear support rod, a front support ring, a rear support ring, a housing, a cushion pad, a limiting rod, a front reinforcing rod, a rear reinforcing rod, a limiting plate and a limiting spring;

in the drawings, the reference numbers: 1. a housing; 2. a motor; 3. a drive shaft; 4. a polishing wheel; 5. a work table; 6. a support pillar; 7. an upper fixing plate; 8. a connecting plate; 9. fixing a threaded rod; 10. fixing a column; 11. a support table; 12. a limit threaded rod; 13. a limit nut; 14. a fixing ring; 15. a treatment tank; 16. a conveying pipe; 17. a transfer pump; 18. a filter screen; 19. a partition plate; 20. a spiral cooling tube; 21. a return pipe; 22. an air outlet cover; 23. a blocking cover; 24. a water inlet pipe; 25. a wind collecting cover; 26. a front support bar; 27. a front support ring; 28. a limiting rod; 29. a limiting plate; 30. a limiting spring; 31. a cushion pad; 32. a front stiffener; 33. a non-slip mat.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 2, the polishing and grinding device for producing and processing LED advertising boards of the present invention comprises a housing 1, a motor 2, a transmission shaft 3 and a polishing wheel 4, wherein the motor 2 is located in the housing 1, one end of the transmission shaft 3 passes through the housing 1 and is connected with the output end of the motor 2, and the polishing wheel 4 is installed at the other end of the transmission shaft 3; the device also comprises a workbench 5, four groups of support columns 6, an upper fixing plate 7, a lower fixing plate, a connecting plate 8, a plurality of groups of fixing threaded rods 9, fixing columns 10, a supporting table 11, two groups of limiting threaded rods 12 and two groups of limiting nuts 13, wherein the top ends of the four groups of support columns 6 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom of the workbench 5, the right ends of the upper fixing plate 7 and the lower fixing plate are respectively connected with the top end and the bottom end of the left side wall of the connecting plate 8, the upper fixing plate 7 and the lower fixing plate are respectively positioned above and below the right half area of the workbench 5, the bottom ends of the plurality of groups of fixing threaded rods 9 are respectively screwed through the upper fixing plate 7, the workbench 5 and the lower fixing plate, the top ends and the bottom ends of the fixing columns 10 are respectively connected with the bottom right half area of the, the top ends of the two groups of limit threaded rods 12 respectively penetrate through the two groups of fixing rings 14, and the two groups of limit nuts 13 are respectively screwed on the two groups of limit threaded rods 12; the device also comprises a processing box 15, a transmission pipe 16, a transmission pump 17, a filter screen 18, a partition plate 19, a plurality of groups of spiral cooling pipes 20, a plurality of groups of return pipes 21 and an air outlet cover 22, wherein the processing box 15 is arranged at the top of the workbench 5, a processing cavity is arranged inside the processing box 15, the front side wall of the processing box 15 is provided with a cleaning port communicated with the processing cavity, the front side wall of the processing box 15 is provided with a baffle cover 23, the baffle cover 23 is provided with an air inlet hole, the output end of the transmission pipe 16 is arranged at the air outlet hole, the transmission pump 17 is arranged on the transmission pipe 16, the filter screen 18 is arranged in the front half area inside the processing box 15, the partition plate 19 is arranged in the central area inside the processing box 15, the partition plate 19 divides the processing cavity into a front cavity and a rear cavity, the partition plate 19 and the rear side wall of the processing box 15 are respectively provided with a, the front ends and the rear ends of the multiple groups of spiral cooling pipes 20 are respectively arranged at the multiple groups of front fixing holes and the multiple groups of rear fixing holes, the input ends and the output ends of the multiple groups of return pipes 21 are respectively communicated with the rear ends of the multiple groups of spiral cooling pipes 20 and the air outlet cover 22, the air outlet cover 22 is arranged at the rear end of the top of the supporting table 11, and the bottom end and the top end of the rear side wall of the treatment box 15 are respectively communicated with a water inlet pipe 24; the supporting table can be conveniently fixed above the workbench through a plurality of groups of fixed threaded rods, two groups of fixed sleeves can be arranged on two groups of limit threaded rods, and the shell is fixed on the surface of the supporting table under the fixing action of two groups of fixing nuts, so that the position of the polishing wheel can be conveniently limited; and can be with transmission pump and commercial power electricity connection, start transmission pump simultaneously, the leading-in processing incasement of air that will polish the department through the transmission pipe under transmission pump's effect, filter it through the filter screen, with separation such as sweeps wherein in the filter screen front side region, and go into in the multiunit spiral cooling tube, simultaneously through leading-in cooling water in the inlet tube to the rear chamber, the cooling water carries out the heat exchange with the hot-air in the multiunit spiral tube, cooling water temperature risees and derives through the outlet pipe, the air after the cooling down passes through multiunit back flow and goes out the discharge of fan housing, accelerate the air flow velocity of polishing department, and conveniently dispel the heat, reduce and use the limitation.

The utility model discloses a polishing and grinding device for LED billboard production and processing, still include wind-collecting cover 25, wind-collecting cover 25 is installed at the front end of the top of supporting bench 11, and the input end of transmission pipe 16 communicates with wind-collecting cover 25; air can be conveniently poured into the nickel treatment box through the transmission pipe through the air collecting cover.

The utility model discloses a polishing grinding device for LED bill-board production and processing still includes preceding bracing piece 26, preceding supporting ring 27, the bracing piece behind the multiunit and the supporting ring behind the multiunit, and preceding bracing piece 26 both ends are connected with preceding supporting ring 27 and supporting table 11 front end respectively, and the bracing piece both ends are connected with the rear end of the bracing piece behind the multiunit and supporting table 11 respectively behind the multiunit, and preceding supporting ring 27 and the supporting ring behind the multiunit are nested respectively and are fixed on transmission hang and multiunit back flow 21; the fixing capacity of the front limiting ring and the rear limiting rings can be limited by the front supporting rods and the rear supporting rods, and the transmission pipe and the return pipes can be limited by the front supporting rings and the rear supporting rings.

The utility model discloses a polishing and grinding device for LED billboard production and processing, which also comprises a plurality of groups of limiting rods 28, wherein the top ends and the bottom ends of the plurality of groups of limiting rods 28 are respectively connected with the bottom of the supporting table 11 and the top of the processing box 15; can play certain supporting role to the supporting bench through multiunit gag lever post to can improve the stability of supporting bench.

The utility model discloses a polishing grinding device for LED bill-board production and processing still includes limiting plate 29 and two sets of limiting spring 30, and two sets of limiting spring 30 top and bottom are connected with limiting plate 29 bottom and the right half regional connection on supporting bench 11 top respectively, and limiting plate 29 contacts with shell 1 top; the elasticity that can make the limiting plate compress tightly the shell through two sets of spacing springs to can improve fixed ability and the stability to shell and motor.

The utility model discloses a polishing and grinding device for LED billboard production and processing, which also comprises a buffer cushion 31, wherein the buffer cushion 31 is arranged in the left half area of the top of the support table 11; the friction force between the member to be subjected to the polishing process and the supporting table can be increased by the cushion pad, so that the stability thereof can be improved.

The utility model discloses a polishing grinding device for LED bill-board production and processing still includes preceding stiffener 32 of multiunit and multiunit back stiffener, and preceding stiffener 32 of multiunit and one end of multiunit back stiffener are connected with wind-collecting cover 25 and air-out cover 22 respectively to the preceding stiffener 32 of multiunit and the other end of multiunit back stiffener are connected with supporting bench 11 top first half region and latter half region respectively; the connection between the gas collecting hood and the air outlet hood and the supporting table can be enhanced through the multiple groups of front reinforcing rods and the multiple groups of rear reinforcing rods, and the stability of the gas collecting hood and the stability of the air outlet hood are improved.

The polishing and grinding device for the production and processing of the LED advertising board of the utility model also comprises four groups of anti-skid pads 33, wherein the four groups of anti-skid pads 33 are respectively arranged at the bottom ends of the four groups of supporting columns 6; the friction force between the bottom ends of the four groups of supporting columns and the ground can be enhanced through the four groups of anti-slip pads, so that the displacement of the four groups of supporting columns can be reduced by people, and the overall stability is improved.

The utility model discloses a polishing grinding device for LED bill-board production and processing, it is at the during operation, can conveniently fix a supporting bench in workstation top region through multiunit fixed threaded rod, and can be through establishing two sets of fixed cover on two sets of limit threaded rod, and make the shell fix on a supporting bench surface through the fixed action of two sets of fixation nut, thereby can conveniently prescribe a limit to the position of polishing wheel, when needing to carry out polishing treatment, switch on the motor and start, the motor makes the transmission shaft drive the high-speed rotation of polishing wheel, and place support frame and the backup pad that LED bill-board production that need handle used on a supporting bench, and constantly be close to the polishing wheel of rotation along a supporting bench, thereby can conveniently carry out polishing treatment to it through the polishing wheel of rotation, improve the practicality; the transmission pump can be electrically connected with a mains supply, the transmission pump is started simultaneously, air at the polishing and grinding position is guided into the processing box through the transmission pipe under the action of the transmission pump, the air is filtered through the filter screen, scraps and the like in the air are blocked in the front side area of the filter screen and enter a plurality of groups of spiral cooling pipes, cooling water is guided into the rear cavity through the water inlet pipe, the cooling water exchanges heat with hot air in the plurality of groups of spiral pipes, the temperature of the cooling water is increased and is guided out through the water outlet pipe, the cooled air is discharged through a plurality of groups of return pipes and the air outlet cover, the air flowing speed at the polishing position is accelerated, the heat dissipation is convenient, the use limitation is reduced, the air can be conveniently poured into the processing box through the transmission pipe through the air collecting cover, the fixing capacity of the front limiting ring and the plurality of groups of rear limiting rings can, the transmission pipe and the plurality of groups of return pipes can be limited by the front support ring and the plurality of groups of rear support rings, the support table can be supported to a certain extent by the plurality of groups of limit rods, thereby improving the stability of the supporting platform, enabling the limit plate to tightly press the shell through the elasticity of the two groups of limit springs, thereby improving the fixing ability and stability of the shell and the motor, improving the friction force between the part needing to be polished and the support table through the buffer pad, thereby improving the stability of the air-collecting hood, enhancing the connectivity between the air-collecting hood and the air-out hood and the supporting platform through a plurality of groups of front reinforcing rods and a plurality of groups of rear reinforcing rods, improving the stability of the air-collecting hood and the air-out hood, the friction force between the bottom ends of the four groups of supporting columns and the ground can be enhanced through the four groups of anti-slip pads, so that the displacement of the four groups of supporting columns can be reduced by people, and the overall stability is improved.

The utility model discloses a motor and transfer pump that a polishing grinding device used for LED bill-board production and processing are purchase on the market, and this industry technical staff only need install and operate according to its subsidiary instructions can.

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

Claims

1. A polishing and grinding device for LED advertising board production and processing comprises a shell (1), a motor (2), a transmission shaft (3) and a polishing wheel (4), wherein the motor (2) is positioned in the shell (1), one end of the transmission shaft (3) penetrates through the shell (1) and is connected with the output end of the motor (2), and the polishing wheel (4) is arranged at the other end of the transmission shaft (3); the device is characterized by further comprising a workbench (5), four groups of supporting columns (6), an upper fixing plate (7), a lower fixing plate, a connecting plate (8), a plurality of groups of fixing threaded rods (9), a fixing column (10), a supporting table (11), two groups of limiting threaded rods (12) and two groups of limiting nuts (13), wherein the top ends of the four groups of supporting columns (6) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom of the workbench (5), the right ends of the upper fixing plate (7) and the lower fixing plate are respectively connected with the top end and the bottom end of the left side wall of the connecting plate (8), the upper fixing plate (7) and the lower fixing plate are respectively positioned above and below the right half area of the workbench (5), the bottom ends of the plurality of groups of fixing threaded rods (9) are respectively screwed with the upper fixing plate (7), the workbench (5) and the lower fixing plate, the top ends and the fixing column (10, the bottom ends of the two groups of limit threaded rods (12) are respectively arranged on the right front side and the right rear side of the top of the support table (11), two groups of fixing rings (14) are arranged on the right side wall of the shell (1), the top ends of the two groups of limit threaded rods (12) respectively penetrate through the two groups of fixing rings (14), and the two groups of limit nuts (13) are respectively screwed on the two groups of limit threaded rods (12); the device is characterized by further comprising a treatment box (15), a transmission pipe (16), a transmission pump (17), a filter screen (18), a partition plate (19), a plurality of groups of spiral cooling pipes (20), a plurality of groups of return pipes (21) and an air outlet cover (22), wherein the treatment box (15) is arranged at the top of the workbench (5), a treatment cavity is arranged inside the treatment box (15), a cleaning port is formed in the front side wall of the treatment box (15) and communicated with the treatment cavity, a blocking cover (23) is arranged on the front side wall of the treatment box (15), an air inlet hole is formed in the blocking cover (23), the output end of the transmission pipe (16) is arranged at the air outlet hole, the transmission pump (17) is arranged on the transmission pipe (16), the filter screen (18) is arranged in the front half area inside the treatment box (15), the partition plate (19) is arranged in the central area inside the treatment box (15), and the treatment cavity is divided into a front cavity and a rear cavity by, fixed orifices and multiunit after-fixing hole before division board (19) and processing case (15) after-wall are provided with the multiunit respectively, multiunit spiral cooling tube (20) all are located the back cavity to fixed orifices and multiunit after-fixing hole department before multiunit spiral cooling tube (20) front end and rear end are installed respectively before the multiunit, multiunit back flow (21) input and output communicate with multiunit spiral cooling tube (20) rear end and play fan housing (22) respectively, it installs at brace table (11) top rear end to go out fan housing (22), it is provided with inlet tube (24) and outlet pipe to handle case (15) after-wall bottom and top intercommunication respectively.

2. The polishing and grinding device for the production and processing of the LED advertising board as claimed in claim 1, further comprising a wind-collecting cover (25), wherein the wind-collecting cover (25) is installed at the front end of the top of the support table (11), and the input end of the transmission pipe (16) is communicated with the wind-collecting cover (25).

3. The polishing and grinding device for the production and processing of the LED advertising board as claimed in claim 2, further comprising a front support rod (26), a front support ring (27), a plurality of groups of rear support rods and a plurality of groups of rear support rings, wherein two ends of the front support rod (26) are respectively connected with the front ends of the front support ring (27) and the support platform (11), two ends of the plurality of groups of rear support rods are respectively connected with the rear ends of the plurality of groups of rear support rods and the support platform (11), and the front support ring (27) and the plurality of groups of rear support rings are respectively fixed on the transmission hanger and the plurality of groups of return pipes (21) in a sleeved manner.

4. The polishing and grinding device for the production and processing of the LED advertising board as claimed in claim 3, further comprising a plurality of sets of limiting rods (28), wherein the top ends and the bottom ends of the plurality of sets of limiting rods (28) are respectively connected with the bottom of the supporting table (11) and the top of the processing box (15).

5. The polishing and grinding device for the LED billboard production and processing according to claim 4, further comprising a limiting plate (29) and two sets of limiting springs (30), wherein the top ends and the bottom ends of the two sets of limiting springs (30) are respectively connected with the bottom of the limiting plate (29) and the right half area of the top of the supporting platform (11), and the limiting plate (29) is in contact with the top of the housing (1).

6. A polishing and grinding device for the production and processing of LED advertising boards as claimed in claim 5, further comprising a cushion pad (31), wherein the cushion pad (31) is installed on the left half area of the top of the support table (11).

7. The polishing and grinding device for the production and processing of the LED advertising board as claimed in claim 6, further comprising a plurality of groups of front reinforcing rods (32) and a plurality of groups of rear reinforcing rods, wherein one ends of the plurality of groups of front reinforcing rods (32) and the plurality of groups of rear reinforcing rods are respectively connected with the air collecting hood (25) and the air outlet hood (22), and the other ends of the plurality of groups of front reinforcing rods (32) and the plurality of groups of rear reinforcing rods are respectively connected with the front half area and the rear half area of the top of the supporting platform (11).

8. The polishing and grinding device for the production and processing of the LED advertising board as claimed in claim 7, further comprising four sets of anti-slip pads (33), wherein the four sets of anti-slip pads (33) are respectively installed at the bottom ends of the four sets of supporting columns (6).