CN112221868A

CN112221868A - Surface uniform spraying equipment capable of polishing surface

Info

Publication number: CN112221868A
Application number: CN202011152395.9A
Authority: CN
Inventors: 陈越富
Original assignee: Fuzhou Zhibuqu Technology Co ltd
Current assignee: Fuzhou Zhibuqu Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-15

Abstract

The invention discloses a uniform spraying surface device capable of polishing a surface, which comprises a handheld shell, wherein a cavity is arranged in the handheld shell, a motor frame is fixedly connected to the inner wall of the cavity, a motor is fixedly connected in the motor frame, an output shaft is rotatably connected to the upper end of the motor, an open slot with an upward opening is arranged in the output shaft, a sliding shaft is slidably connected in the open slot, bilateral symmetry trapezoidal blocks taking the central line of the sliding shaft as a symmetry axis are connected to the left end and the right end of the sliding shaft, and a polishing disc is fixedly connected to the upper end of the sliding shaft. The working efficiency is improved.

Description

Surface uniform spraying equipment capable of polishing surface

Technical Field

The invention relates to the field of surface spraying equipment, in particular to uniform surface spraying equipment capable of polishing a surface.

Background

The surface of an object is required to be polished before general paint spraying, polishing equipment generally cannot have a paint spraying function, after polishing is finished, a lot of dust is generated, the surface dust is required to be treated and then the paint spraying can be carried out, otherwise, the surface paint spraying quality is reduced, and the two steps are generally carried out separately, so that the working efficiency is reduced.

Disclosure of Invention

In order to solve the problems, the embodiment designs a uniform surface spraying device capable of polishing the surface, which comprises a handheld shell, wherein a cavity is arranged in the handheld shell, a motor frame is fixedly connected to the inner wall of the cavity, a motor is fixedly connected to the motor frame, an output shaft is rotatably connected to the upper end of the motor, an open slot with an upward opening is arranged in the output shaft, a sliding shaft is slidably connected to the open slot, bilaterally symmetrical trapezoidal blocks with the central line of the sliding shaft as a symmetrical axis are connected to the left end and the right end of the sliding shaft, a polishing disc is fixedly connected to the upper end of the sliding shaft, a T-shaped channel is arranged in the polishing disc and the sliding shaft, an air jet is fixedly connected to the inner wall of the lower side of the T-shaped channel, an air jet port is fixedly connected to the upper end of the air jet, and sliding grooves are formed in the left side and the right side of the polishing disc and are provided with bilaterally symmetrical, a small sliding block is connected between the T-shaped channel and the sliding groove in a sliding manner, one end, away from each other, of the small sliding block is fixedly connected with a contact electric plate, the upper end of the output shaft is fixedly connected with a fixed circular plate, a grinding disc groove with an upward opening is arranged in the fixed circular plate, a grinding disc is connected in the grinding disc groove in a sliding manner, a long cavity is arranged in the fixed circular plate, two thin rods which are symmetrical left and right and take the central line of the T-shaped channel as a symmetry axis are connected in the long cavity in a sliding manner, one end, close to each other, of each thin rod is fixedly connected with a contact circular block, one side, away from each other, of each thin rod is fixedly provided with a constant pressure shell, the constant pressure shell is fixedly connected on the inner wall, away from each long cavity, a constant pressure air cavity is arranged in the constant pressure shell, the lower side, close to each, the end, close to each other, of the upper sliding block is fixedly connected with a connecting block, the connecting block is connected in the sliding groove in a sliding manner, the upper end of the handheld shell is fixedly connected with a switch, when the surface of an object needs to be polished, the polishing disc is placed on the end surface needing to be polished, the polishing disc is driven to move downwards, the sliding shaft is driven to move downwards, the trapezoidal block is driven to be in contact connection with the contact round block, the contact round block is driven to move towards the end away from each other, the thin rod is driven to be in contact connection with the lower sliding block, the lower sliding block is driven to move towards the end away from each other, the air pressure in the constant air cavity is constant, the upper sliding block is driven to move towards the end close to each other, and the connecting block is driven to move towards the end close, thereby when polishing dish moves down the sliding tray also can move down, thereby can make the connecting block with the sliding tray contact connection, and then drive the connecting block with contact electroplax contact connection, and then drive contact electroplax moves to the one end that is close to each other, and then drives little slider moves to the one end that is close to each other, works as contact electroplax contacts when the sliding tray is close to the inner wall of one side each other, contact electroplax with motor electric connection, works as contact electroplax contacts when the sliding tray is close to the inner wall of one side each other, starts the motor, and then drives the output shaft rotates, and then drives the open slot rotates, and then drives the sliding shaft rotates, and then drives polishing dish rotates, thereby has played the function of polishing object surface, only needs to put polishing dish and press to contact the surface of polishing contact electroplax contact the sliding tray is close to each other one side of sliding tray The inner wall will automatic start the motor does not need the manual start the motor to more facilitate the use, when needs stop polishing, press the switch, will start this moment the jet plane, the gas of jet plane will pass through the jet orifice blowout, atmospheric pressure in the T type passageway changes, and then drives little slider removes to the one side of keeping away from each other, and then drives the connecting block removes to the one end of keeping away from each other, works as the sliding tray with the connecting block breaks away from the back of being connected, the mill will the rebound, this moment the contact electroplax with the connecting block break away from the contact connection after the motor also will stop, thereby played the function of suspending polishing.

Beneficially, the motor lower extreme has linked firmly the paint can, the paint can lower extreme has linked firmly the paint pipe, the paint pipe is equipped with the passageway that sprays paint that link up from top to bottom, both ends have linked firmly well support around the handheld shell, well support left and right sides is equipped with the bilateral symmetry support that uses well support central line as the symmetry axis, the symmetry support links firmly handheld shell left and right sides both ends, the one end that well support is close to each other rotates and is connected with the pivot, the pivot periphery has linked firmly well runner, the one end that the symmetry support is close to each other rotates and is connected with the symmetry pivot, symmetry pivot periphery has linked firmly the symmetry runner, the symmetry runner with the pivot periphery is connected with the smearing belt, will need to spray paint the surface after polishing, will the smearing belt is put on the polished surface, starts the paint can this moment, the paint can in the paint can will be sprayed through the passageway that sprays paint to the smearing belt, the handheld shell is pushed manually, so that the middle rotating wheel and the symmetrical rotating wheels are driven to rotate, the smearing belt is driven to rotate, and therefore the function of evenly spraying paint on the surface of the painted object is achieved.

Beneficially, a driving pulley is fixedly connected to the periphery of the output shaft, bilaterally symmetrical fan housings taking the center line of the handheld housing as a symmetrical axis are fixedly connected to the left end and the right end of the handheld housing, a fan groove with an upward opening is formed in each fan housing, a pulley shaft is rotatably connected to the lower side surface of each fan groove, a small pulley is fixedly connected to the periphery of each pulley shaft, a large fan blade is fixedly connected to the upper end of each pulley shaft, a belt is connected to the peripheries of the small pulleys and the driving pulley, the diameter of each driving pulley is larger than that of each small pulley, so that the belt and the small pulleys can be driven to rotate, when the output shaft rotates, the driving pulley is driven to rotate, the belt is driven to rotate, the small pulleys are driven to rotate, the pulley shaft is driven to rotate, the large fan blades are driven to rotate, and accordingly, the ground dust is blown up, and preparing for subsequent dust collection.

Beneficially, a short spring is fixedly connected to the periphery of the handheld shell, a dust collecting cavity is arranged in the short spring, four through holes distributed in a circumferential array are formed in the periphery of the dust collecting cavity, a dust collecting net is connected to the lower side of the short spring in a sliding mode, a moving ring is fixedly connected to the lower end of the dust collecting net, a handle is fixedly connected to the upper end of the moving ring, a driving bevel gear is fixedly connected to the periphery of the output shaft, left and right ends of the driving bevel gear are connected with meshing bevel gears which are symmetrical in a bilateral symmetry mode and take the center line of the driving bevel gear as a symmetry axis in a meshing mode, a fan rotating shaft is fixedly connected to one end, away from each other, of the meshing bevel gears, a fan blade is fixedly connected to one end, away from each other, of the fan rotating shaft, the fan rotating shaft is rotatably connected to, and then the meshing bevel gear is driven to rotate, so that the fan rotating shaft is driven to rotate, the dust collection cavity is driven to rotate, blown dust is sucked into the dust collection cavity through the through hole, the dust is attached to the through hole, when the through hole is fully adsorbed by the dust, the handle is manually pulled up to be pulled downwards, the moving ring is driven to move downwards, the through hole is pulled out of the dust collection cavity, the through hole can be replaced, and therefore dust collection of the through hole is clean every time.

Beneficially, the inner support is fixedly connected to the inner wall of the long cavity, the thin rods are slidably connected to the inner support, the peripheries of the thin rods are fixedly connected to fixing rings, one ends, far away from each other, of the fixing rings are fixedly connected to inner springs, one ends, far away from each other, of the inner springs are fixedly connected to the inner wall, close to each other, of the inner support, one ends, close to each other, of the small sliding blocks are fixedly connected to limiting blocks, the limiting blocks are slidably connected to the T-shaped channel, limiting rings are fixedly connected to the peripheries of the lower sliding blocks, one ends, far away from each other, of the limiting rings are fixedly connected to short springs, one ends, far away from each other, of the short springs are fixedly connected to the inner wall, far away from each other, of the long cavity, the inner springs have the functions of resetting the thin rods, the limiting blocks.

The invention has the beneficial effects that: can put the dish of polishing and polish the surface and press, will begin automatically to polish when pressing after flattening to the dust that will polish down blows the back, collects the raise dust in the air again, prevents that people from inhaling and causing the health injury, overturns again after finishing and carries out even spraying paint to the surface and paint, thereby only need go on alone, has improved work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the overall configuration of a uniform spray surface apparatus for abrading a surface according to the present invention;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is an enlarged schematic view of B of FIG. 1;

FIG. 4 is an enlarged schematic view of C in FIG. 1;

FIG. 5 is a schematic diagram of D-D of FIG. 1;

FIG. 6 is a schematic diagram of the structure of E-E in FIG. 1;

fig. 7 is an enlarged schematic view of F in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to uniform surface spraying equipment capable of polishing surfaces, which comprises a handheld shell 11, wherein a cavity 12 is arranged in the handheld shell 11, the inner wall of the cavity 12 is fixedly connected with a motor frame 47, a motor 46 is fixedly connected in the motor frame 47, the upper end of the motor 46 is rotatably connected with an output shaft 45, an open slot 38 with an upward opening is arranged in the output shaft 45, a sliding shaft 37 is connected in the open slot 38 in a sliding manner, bilateral symmetry trapezoidal blocks 36 taking the central line of the sliding shaft 37 as a symmetry axis are connected at the left end and the right end of the sliding shaft 37, a polishing disc 35 is fixedly connected at the upper end of the sliding shaft 37, T-shaped channels 57 are arranged in the polishing disc 35 and the sliding shaft 37, an air jet 55 is fixedly connected on the inner wall of the lower side of the T-shaped channel 57, an air jet 56 is fixedly connected at the upper end of the air jet 55, bilateral symmetry openings taking the central line of the polishing disc 35 as a symmetry axis are arranged, a small sliding block 66 is connected between the T-shaped channel 57 and the sliding groove 65 in a sliding manner, one end of the small sliding block 66, which is far away from each other, is fixedly connected with a contact electric plate 67, the upper end of the output shaft 45 is fixedly connected with a fixed circular plate 68, a grinding disc groove 40 with an upward opening is arranged in the fixed circular plate 68, the grinding disc 35 is connected in the grinding disc groove 40 in a sliding manner, a long cavity 49 is arranged in the fixed circular plate 68, two bilaterally symmetrical thin rods 34 taking the central line of the T-shaped channel 57 as a symmetry axis are connected in the long cavity 49 in a sliding manner, one end, which is close to each other, of the thin rods 34 is fixedly connected with a contact circular block 39, one side, which is far away from each other, of the thin rods 34 is fixedly provided with a constant pressure shell 62, the constant pressure shell 62 is fixedly connected on the inner wall of one side, which is far away from each other, the upper side of the side, close to each other, of the constant pressure air chamber 61 is connected with an upper slide block 63 in a sliding manner, one end, close to each other, of the upper slide block 63 is fixedly connected with a connecting block 64, the connecting block 64 can be connected in the sliding groove 65 in a sliding manner, the upper end of the handheld shell 11 is fixedly connected with a switch 53, when the surface of an object needs to be polished, the polishing disc 35 is placed on the end surface needing to be polished, the polishing disc 35 is driven to move downwards, the sliding shaft 37 is driven to move downwards, the trapezoidal block 36 is driven to be in contact connection with the contact circular block 39, the contact circular block 39 is driven to move towards the end far away from each other, the thin rod 34 is driven to be in contact connection with the lower slide block 59, and the lower slide block 59 is driven, the air pressure in the constant pressure air chamber 61 is constant, so as to drive the upper sliding block 63 to move towards the end close to each other, and further drive the connecting block 64 to move towards the end close to each other, so that the polishing disc 35 moves downwards and the sliding groove 65 also moves downwards, so that the connecting block 64 is in contact connection with the sliding groove 65, and further drive the connecting block 64 to be in contact connection with the contact electric plate 67, and further drive the contact electric plate 67 to move towards the end close to each other, and further drive the small sliding block 66 to move towards the end close to each other, when the contact electric plate 67 contacts the inner wall of the sliding groove 65 on the side close to each other, the contact electric plate 67 is electrically connected with the motor 46, and when the contact electric plate 67 contacts the inner wall of the sliding groove 65 on the side close to each other, the motor 46 is started, and further drive the output shaft 45 to rotate, and then drive the said open slot 38 to rotate, and then drive the said sliding shaft 37 to rotate, and then drive the said polishing disc 35 to rotate, thus has played the function of polishing the object surface, only need to put the said polishing disc 35 to polish the surface and press to the said contact electric plate 67 contacts the inner wall of one side that the said sliding groove 65 is close to each other, will start the said motor 46 automatically, do not need to start the said motor 46 artificially, thus it is more convenient to use, when needing to stop polishing, press the said switch 53, will start the said jet plane 55 at this moment, the gas of the said jet plane 55 will be sprayed out through the said jet orifice 56, the air pressure in the said T-shaped channel 57 changes, and then drive the said small slide block 66 to move to one side far away from each other, and then drive the said connecting block 64 to move to one end far away from each other, after the said sliding groove 65 and the said, the grinding disc 35 will move upward, and the motor 46 will stop at the same time after the contact electric plate 67 is disconnected from the connection block 64, thereby performing the grinding pause function.

Beneficially, motor 46 lower extreme has linked firmly paint can 48, paint can 48 lower extreme has linked firmly paint pipe 13, paint pipe 13 is equipped with the passageway 14 that sprays paint that link up from top to bottom, both ends have linked firmly well support 15 around handheld shell 11, well support 15 left and right sides is equipped with the bilateral symmetry support 21 of bilateral symmetry that well support 15 central line is the symmetry axis, symmetry support 21 links firmly handheld shell 11 left and right sides both ends, the one end that well support 15 is close to each other is rotated and is connected with well pivot 16, well pivot 16 periphery has linked firmly well runner 17, the one end that symmetry support 21 is close to each other is rotated and is connected with symmetry pivot 19, symmetry pivot 19 periphery has linked firmly symmetry runner 20, symmetry runner 20 with well runner 17 periphery is connected with smearing belt 18, will need to spray paint the surface after polishing, will smear belt 18 and put on the polished surface, the paint can 48 is started at the moment, the paint in the paint can 48 is sprayed to the outer end of the smearing belt 18 through the paint spraying channel 14, the shell 11 is manually pushed to further drive the middle rotating wheel 17 and the symmetrical rotating wheel 20 to rotate, and further drive the smearing belt 18 to rotate, so that the function of uniformly spraying paint on the paint spraying surface is achieved.

Beneficially, a driving pulley 43 is fixedly connected to the outer periphery of the output shaft 45, bilaterally symmetrical fan housings 41 taking the center line of the hand-held case 11 as a symmetry axis are fixedly connected to the left and right ends of the hand-held case 11, a fan groove 42 with an upward opening is arranged in each fan housing 41, a pulley shaft 32 is rotatably connected to the lower side surface of each fan groove 42, a small pulley 31 is fixedly connected to the outer periphery of the pulley shaft 32, a large fan blade 33 is fixedly connected to the upper end of the pulley shaft 32, a belt 44 is connected to the outer peripheries of the small pulley 31 and the driving pulley 43, the diameter of the driving pulley 43 is larger than that of the small pulley 31, so as to drive the belt 44 and the small pulley 31 to rotate, when the output shaft 45 rotates, the driving pulley 43 is further driven to rotate, so as to drive the belt 44 to rotate, so as to drive the small pulley 31 to rotate, the large fan blade 33 is driven to rotate, so that the dust which is ground down is blown up, and the dust collection device is prepared for subsequent dust collection.

Beneficially, the outer periphery of the handheld housing 11 is fixedly connected with a short spring 58, a dust collection chamber 28 is arranged in the short spring 58, the outer periphery of the dust collection chamber 28 is provided with four through holes 29 distributed in a circumferential array, the lower side of the short spring 58 is connected with a dust collection net 30 in a sliding manner, the lower end of the dust collection net 30 is fixedly connected with a moving ring 25, the upper end of the moving ring 25 is fixedly connected with a handle 24, the outer periphery of the output shaft 45 is fixedly connected with a driving bevel gear 22, the left end and the right end of the driving bevel gear 22 are connected with meshing bevel gears 23 in a meshing manner which are symmetrical about the central line of the driving bevel gear 22, the ends of the meshing bevel gears 23 far away from each other are fixedly connected with fan rotating shafts 26, the ends of the fan rotating shafts 26 far away from each other are fixedly connected with fan blades 27, the fan rotating shafts 26, when the motor 46 is started, the output shaft 45 rotates to drive the driving bevel gear 22 to rotate, and further drive the meshing bevel gear 23 to rotate, and further drive the fan rotating shaft 26 to rotate, and further drive the dust collection chamber 28 to rotate, so that blown dust is sucked into the dust collection chamber 28 through the through hole 29, and is attached to the through hole 29, after the dust on the through hole 29 is fully adsorbed, the handle 24 is manually pulled up to be pulled downwards, and further the moving ring 25 is driven to move downwards, and further the through hole 29 is driven to move downwards, so that the through hole 29 is pulled out of the dust collection chamber 28, and therefore the through hole 29 can be replaced, and dust collection of the through hole 29 is clean each time.

Advantageously, an inner support 52 is attached to the inner wall of the long cavity 49, the thin rod 34 is slidably connected to the inner support 52, the periphery of the thin rod 34 is fixedly connected with a fixing ring 50, one end of the fixing ring 50, which is far away from each other, is fixedly connected with an inner spring 51, the ends of the inner springs 51 which are far away from each other are fixedly connected to the inner wall of the inner bracket 52 which is close to each other, one end of the small sliding block 66, which is close to each other, is fixedly connected with a limit block 69, the limit block 69 is slidably connected in the T-shaped channel 57, the periphery of the lower slide block 59 is fixedly connected with a limit ring 60, one ends of the limit rings 60 far away from each other are fixedly connected with a short spring 58, the ends of the short springs 58 remote from each other are attached to the inner walls of the long chambers 49 at the sides remote from each other, the inner spring 51 serves to reset the thin rod 34, the stopper 69 serves to limit the position, and the short spring 58 serves to reset the lower slider 59.

The following will describe in detail the use steps of a uniform surface coating apparatus for polishing a surface with reference to fig. 1 to 7: in the initial state, the trapezoidal block 36 is not in contact connection with the contact round block 39, and the thin rod 34 is not in contact connection with the lower sliding block 59; when the surface of an object needs to be polished, the polishing disc 35 is placed on the end surface to be polished, and then the polishing disc 35 is driven to move downwards, and further the sliding shaft 37 is driven to move downwards, and further the trapezoidal block 36 is driven to be in contact connection with the contact round block 39, and further the contact round block 39 is driven to move towards the end away from each other, and further the slender rod 34 is driven to be in contact connection with the lower sliding block 59, and further the lower sliding block 59 is driven to move towards the end away from each other, the air pressure in the constant-pressure air cavity 61 is constant, and further the upper sliding block 63 is driven to move towards the end close to each other, and further the connecting block 64 is driven to move towards the end close to each other, and further the sliding groove 65 also moves downwards while the polishing disc 35 moves downwards, so that the connecting block 64 is, and then drive the contact electric plate 67 to move towards the end close to each other, and then drive the small slide block 66 to move towards the end close to each other, when the contact electric plate 67 contacts the inner wall of the side close to each other of the sliding groove 65, the contact electric plate 67 is electrically connected with the motor 46, when the contact electric plate 67 contacts the inner wall of the side close to each other of the sliding groove 65, the motor 46 is started, and then the output shaft 45 is driven to rotate, and then the open slot 38 is driven to rotate, and then the sliding shaft 37 is driven to rotate, and then the polishing disc 35 is driven to rotate, thereby playing the function of polishing the surface of the object, thus only the polishing disc 35 needs to be put on the polishing surface and pressed to the inner wall of the side close to each other of the sliding groove 65, the motor 46 will be automatically started, the motor 46 does not need to be manually started, thereby the use is more convenient, when polishing needs to stop, the, the gas of the air jet 55 is jetted out through the air jet 56, the air pressure in the T-shaped channel 57 is changed, the small sliding block 66 is driven to move towards one side away from each other, the connecting block 64 is driven to move towards one end away from each other, after the sliding groove 65 is disconnected from the connecting block 64, the polishing disc 35 moves upwards, the motor 46 stops when the contact electric plate 67 is disconnected from the connecting block 64, the polishing function is suspended, after polishing, the surface needs to be painted, the painting belt 18 is placed on the polished surface, the painting tank 48 is started, the paint in the painting tank 48 is sprayed to the outer end of the painting belt 18 through the painting channel 14, the handheld shell 11 is manually pushed, the rotating wheel 17 and the symmetrical rotating wheel 20 are driven to rotate, the painting belt 18 is driven to rotate, and the function of uniformly painting the painting surface is achieved, when the output shaft 45 rotates, the driving pulley 43 is driven to rotate, the belt 44 is driven to rotate, the small pulley 31 is driven to rotate, the pulley shaft 32 is driven to rotate, the large fan blade 33 is driven to rotate, the ground dust is blown up to prepare for subsequent dust collection, when the motor 46 is started, the output shaft 45 rotates, the driving bevel gear 22 is driven to rotate, the meshing bevel gear 23 is driven to rotate, the fan rotating shaft 26 is driven to rotate, the dust collection cavity 28 is driven to rotate, the blown dust is sucked into the dust collection cavity 28 through the through hole 29, the dust is attached to the through hole 29, when the dust on the through hole 29 is fully adsorbed, the handle 24 is manually pulled downwards, the moving ring 25 is driven to move downwards, the through hole 29 is driven to move downwards, and the through hole 29 is pulled out of the dust collection cavity 28, therefore, the through hole 29 can be replaced, and the through hole 29 can clean dust collection every time.

The invention has the beneficial effects that: the polishing disc can be placed on a polishing surface to be pressed, polishing can be automatically started after the pressing disc is pressed, the polished dust is blown away, the dust in the air is collected, the body injury caused by suction of people is prevented, and the surface is uniformly sprayed with paint after the polishing disc is turned over, so that only one person is needed to carry out the polishing, and the working efficiency is improved.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a but even spraying surface equipment of surface of polishing, includes handheld shell, its characterized in that: a cavity is arranged in the handheld shell, a motor frame is fixedly connected to the inner wall of the cavity, a motor is fixedly connected to the motor frame, an output shaft is rotatably connected to the upper end of the motor, an open slot with an upward opening is formed in the output shaft, a sliding shaft is slidably connected to the open slot, bilaterally symmetrical trapezoidal blocks with the central line of the sliding shaft as a symmetry axis are connected to the left end and the right end of the sliding shaft, a polishing disc is fixedly connected to the upper end of the sliding shaft, a T-shaped channel is formed in the polishing disc and the sliding shaft, an air jet is fixedly connected to the inner wall of the lower side of the T-shaped channel, an air jet is fixedly connected to the upper end of the air jet, sliding grooves are formed in the left side and the right side of the polishing disc, the openings which are bilaterally symmetrical with the central line of the polishing disc as the symmetry axis, and are far away from each, the upper end of the output shaft is fixedly connected with a fixed circular plate, a grinding disc groove with an upward opening is arranged in the fixed circular plate, the polishing disc is connected in the polishing disc groove in a sliding manner, a long cavity is arranged in the fixed circular plate, two thin rods which are symmetrical left and right and take the central line of the T-shaped channel as a symmetrical axis are connected in the long cavity in a sliding manner, one end of each thin rod close to each other is fixedly connected with a contact round block, one side of each thin rod far away from each other is fixedly provided with a constant-pressure shell, the constant-pressure shell is fixedly connected on the inner wall of one side of the long cavity, which is far away from the long cavity, a constant-pressure air cavity is arranged in the constant-pressure shell, the lower side of the mutually close side of the constant pressure air cavities is connected with a lower slide block in a sliding way, the upper side of the mutually close side of the constant pressure air cavities is connected with an upper slide block in a sliding way, the one end that the top shoe is close to each other has linked firmly the connecting block, but connecting block sliding connection be in the sliding tray, handheld shell upper end has linked firmly the switch.

2. A uniform surface finish apparatus for abrading a surface as defined in claim 1, wherein: the motor lower extreme has linked firmly the paint spraying can, the paint spraying can lower extreme has linked firmly the paint spraying pipe, the passageway that sprays paint that link up from top to bottom is equipped with in the paint spraying pipe, both ends have linked firmly well support around the handheld shell, well support left and right sides be equipped with well support central line is the symmetry support of the bilateral symmetry of symmetry axle, the symmetry support links firmly handheld shell left and right sides both ends, the one end that well support is close to each other is rotated and is connected with the pivot, the pivot periphery has linked firmly well runner, the one end rotation that the symmetry support is close to each other is connected with the symmetry pivot, symmetry pivot periphery has linked firmly the symmetry runner, the symmetry runner with the transfer wheel peripheral connection has the band of smearing.

3. A uniform surface finish apparatus for abrading a surface as defined in claim 1, wherein: the output shaft periphery links firmly driving pulley, handheld shell left and right sides both ends link firmly with handheld shell central line is the fan housing of bilateral symmetry of symmetry axle, be equipped with the ascending fan groove of opening in the fan housing, fan groove downside surface rotates and is connected with the band pulley axle, band pulley axle periphery has linked firmly little band pulley, band pulley axle upper end has linked firmly big fan blade, little band pulley and driving pulley periphery is connected with the belt, driving pulley's diameter is greater than little band pulley to can drive the belt and little band pulley rotates.

4. A uniform surface finish apparatus for abrading a surface as defined in claim 3, wherein: the utility model discloses a portable dust collection device, including handheld shell, dust collection chamber, output shaft, drive bevel gear, fan pivot, fan blade, dust collection chamber periphery, short spring downside sliding connection has a dust collection net, dust collection net lower extreme links firmly the shift ring, the shift ring upper end has linked firmly the handle, the output shaft periphery has linked firmly drive bevel gear, drive bevel gear left and right sides both ends meshing be connected with the drive bevel gear central line is the bilateral symmetry's of symmetry axis meshing bevel gear, the one end that meshing bevel gear kept away from each other has linked firmly the fan pivot, the one end that the fan pivot was kept away from each other has linked firmly the fan blade, the fan pivot.

5. A uniform surface finish apparatus for abrading a surface as defined in claim 1, wherein: the utility model discloses a long intracavity, including long intracavity wall, thin pole, stopper, limiting ring, internal spring, limiting ring, short spring, internal spring, short chamber, inner wall, inner support, thin pole sliding connection, the thin pole periphery has linked firmly solid fixed ring, the one end that solid fixed ring kept away from each other has linked firmly the internal spring, the one end that the internal spring kept away from each other is linked firmly on the one side inner wall that the internal support is close to each other, the one end that the little slider is close to each other has linked firmly the stopper, stopper sliding connection in the T type passageway, the slider periphery has linked firmly the spacing ring down, the one end that the spacing ring was kept away from each other.