CN210879152U

CN210879152U - Polishing device for aluminum alloy plate of radiator

Info

Publication number: CN210879152U
Application number: CN201921274293.7U
Authority: CN
Inventors: 舒双武
Original assignee: Chizhou Runmai Electric Technology Co ltd
Current assignee: Chizhou Runmai Electric Technology Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-30
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a burnishing device of radiator aluminum alloy plate, the power distribution box comprises a box body, first elliptical plate, first bull stick, first connecting rod, first bevel gear, first slide, the second bull stick, the mounting box, the drain pipe, the inlet tube, the deposition box, a fixed base, the brush, the installation cover, the sponge piece, electric putter, first gear, the mount pad, first step motor, the second gear, polishing dish, the second slide, the second guide bar, the elliptical plate of second, the second connecting rod, the third sprocket, first sprocket, the telescopic link, the fourth sprocket, the second step motor, the second sprocket, second bevel gear, first guide bar, workstation and hollow shaft. The utility model discloses a set up mutually supporting between slide, elliptical plate, guide bar, connecting rod, bevel gear and the telescopic link, can be better adjust aluminum plate position on the horizontal direction, very big improvement to aluminum plate's polishing efficiency, make more comprehensive, more even of aluminum plate polishing.

Description

Polishing device for aluminum alloy plate of radiator

Technical Field

The utility model relates to a burnishing device specifically is a burnishing device of radiator aluminum alloy plate belongs to radiator production technical field.

Background

With the rapid development of power electronic technology, power electronic devices tend to be more and more large in capacity and microminiature integrated, so that the problem of heat dissipation with high power density is increasingly highlighted.

When current burnishing device throws light to aluminum plate, aluminum plate most of all make fixedly, when throwing light to aluminum plate to cause polishing easily not enough fully, thereby very big reduction to aluminum plate's polishing efficiency, current aluminum plate polishing back in addition, the surface gathers a large amount of heats, when taking out aluminum plate, needs the one end time of stewing, so very big extension operating time, thereby very big reduction the practicality. Therefore, a polishing device for aluminum alloy plates of radiators is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a burnishing device of radiator aluminum alloy plate for solving above-mentioned problem.

The utility model realizes the above purpose by the following technical proposal, a polishing device of radiator aluminum alloy plate, which comprises a workbench, the top end of the workbench is fixedly connected with a box body, the top end of the box body is fixedly connected with a water inlet pipe, the inner cavity of the box body is provided with a cooling and polishing system and a position adjusting system, the position adjusting system is positioned below the cooling and polishing system, the cooling and polishing system consists of a vertical lifting mechanism, a cooling mechanism and a polishing transmission mechanism, the cooling mechanism and the polishing transmission mechanism are sequentially arranged at the bottom end of the vertical lifting mechanism from left to right, the polishing transmission mechanism consists of a polishing mechanism and a second gear, the second gear is arranged at the driving end of the polishing mechanism, the cooling mechanism consists of a cleaning mechanism and a first gear, the first gear is arranged at the supporting end of the cleaning mechanism, and the first gear and the second gear are meshed and connected, the position adjusting system comprises a first transverse moving mechanism, a second transverse moving mechanism, a mounting box and an ash deposition box, the first transverse moving mechanism is mounted on the inner side wall of the box body, the mounting box is mounted on the moving end of the first transverse moving mechanism, the second transverse moving mechanism is mounted on the mounting box, the ash deposition box is mounted on the moving end of the second transverse moving mechanism, the first transverse moving mechanism and the second transverse moving mechanism are vertically arranged, the aluminum alloy plate can move in a reciprocating mode in a wider horizontal direction, the first transverse moving mechanism is located below the second transverse moving mechanism, a fixing seat is fixedly connected to the bottom end of the inner cavity of the ash deposition box, and a drain pipe is fixedly connected to the bottom end of the ash deposition box.

Preferably, the first transverse moving mechanism comprises a second stepping motor, a first elliptical plate and a first guide rod, the second stepping motor is arranged on the inner side wall of the box body, a second bevel gear and a second chain wheel are sequentially arranged at the driving end of the second stepping motor from left to right through a driving shaft, the surface of the second bevel gear is meshed with a first bevel gear, the axis of the first bevel gear is connected with a first rotating rod, the first rotating rod is rotatably connected onto a mounting plate connected with the bottom end of the inner cavity of the box body, the surface of the first rotating rod is connected with a first connecting rod, one end of the first connecting rod is slidably connected with the inner side wall of the first elliptical plate, the bottom end of the first elliptical plate is rotatably connected with the inner side wall of the box body through a rotating shaft, the top end of the first elliptical plate is connected with a first sliding seat through a connecting plate in, and the top end of the first sliding seat is connected with the mounting box.

Preferably, second lateral shifting mechanism comprises telescopic link, second elliptical plate and second guide bar, the stiff end of telescopic link is connected with first sprocket, and first sprocket passes through chain drive with the second sprocket and is connected, the fourth sprocket is installed to the flexible end of telescopic link, fourth sprocket surface has the third sprocket through chain drive, third sprocket axle center position is connected with the second bull stick, and the second bull stick rotates to be connected on the mounting panel of being connected with the mounting box inside wall, second bull stick fixed surface is connected with the second connecting rod, and second connecting rod one end and second elliptical plate inside wall sliding connection, second elliptical plate top is connected with the second slide through the connecting plate transmission, and second slide sliding connection is on the second guide bar, and the second slide top is connected with the deposition box.

Preferably, the vertical lifting mechanism consists of an electric push rod and a mounting seat, the electric push rod is mounted at the top end of the inner cavity of the box body, and the mounting seat is mounted at the telescopic end of the electric push rod.

Preferably, cooling mechanism comprises hollow shaft and installation cover, the hollow shaft top is run through the mount pad bottom and is extended to the mount pad top, and hollow shaft and mount pad normal running fit, first gear and installation cover from the top down are installed on the hollow shaft in proper order, and first gear and installation cover all are located the mount pad below, and hollow shaft inner chamber and installation cover inner chamber intercommunication, installation cover inside wall fixedly connected with sponge piece, installation cover lateral wall fixedly connected with brush, the inlet tube bottom runs through the box top and extends to the hollow shaft inner chamber, and the inlet tube top is connected with external suction pump.

Preferably, the polishing transmission mechanism comprises a first stepping motor and a polishing disc, the first stepping motor is installed at the bottom end of the installation seat, and the first gear and the polishing disc are sequentially installed on a driving shaft connected with the driving end of the first stepping motor from top to bottom.

Preferably, the telescopic link cup joints each other by three sleeve pipe and constitutes, the stiff end and the box inside wall fixed connection of telescopic link, and the flexible end of telescopic link passes through the bearing and is connected with the mounting box lateral wall rotation.

Preferably, the tail end of the drain pipe penetrates through the mounting box and the inner side wall of the box body and extends to the outer side of the box body.

The utility model has the advantages that:

1. through setting up mutually supporting between slide, elliptical plate, guide bar, connecting rod, bevel gear and the telescopic link, can be better adjust aluminum plate position on the horizontal direction, very big improvement to aluminum plate's polishing efficiency, make more comprehensive, more even of aluminum plate polishing.

2. Through setting up mutually supporting between brush, sponge piece, drain pipe, installation cover and the gear, the aluminum plate to after the polishing that can be better cools off, very big shortening the cooling time, also strengthened burnishing device's practicality simultaneously.

Drawings

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

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the first rotating rod of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure of fig. 1 according to the present invention.

In the figure: 1. the device comprises a box body, 2, a first elliptic plate, 3, a first rotating rod, 4, a first connecting rod, 5, a first bevel gear, 6, a first sliding seat, 7, a second rotating rod, 8, a mounting box, 9, a water discharging pipe, 10, a water inlet pipe, 11, an ash deposition box, 12, a fixed seat, 13, a brush, 14, a mounting cover, 15, a sponge block, 16, an electric push rod, 17, a first gear, 18, a mounting seat, 19, a first stepping motor, 20, a second gear, 21, a polishing disk, 22, a second sliding seat, 23, a second guide rod, 24, a second elliptic plate, 25, a second connecting rod, 26, a third sprocket, 27, a first sprocket, 28, a telescopic rod, 29, a fourth sprocket, 30, a second stepping motor, 31, a second sprocket, 32, a second bevel gear, 33, a first guide rod, 34, a workbench, 35 and a hollow shaft.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a polishing device for aluminum alloy plates of radiators comprises a workbench 34, wherein the top end of the workbench 34 is fixedly connected with a box body 1, the top end of the box body 1 is fixedly connected with a water inlet pipe 10, an inner cavity of the box body 1 is provided with a cooling polishing system and a position adjusting system, the position adjusting system is positioned below the cooling polishing system, the cooling polishing system comprises a vertical lifting mechanism, a cooling mechanism and a polishing transmission mechanism, the cooling mechanism and the polishing transmission mechanism are sequentially installed at the bottom end of the vertical lifting mechanism from left to right, the polishing transmission mechanism comprises a polishing mechanism and a second gear, the second gear is installed at a driving end of the polishing mechanism, the cooling mechanism comprises a cleaning mechanism and a first gear, the first gear is installed at a supporting end of the cleaning mechanism, and the first gear and the second gear are meshed and connected, the position adjusting system comprises a first transverse moving mechanism, a second transverse moving mechanism, a mounting box 8 and an ash deposition box 11, the first transverse moving mechanism is mounted on the inner side wall of the box body 1, the mounting box 8 is mounted on the moving end of the first transverse moving mechanism, the second transverse moving mechanism is mounted on the mounting box 8, the ash deposition box 11 is mounted on the moving end of the second transverse moving mechanism, the first transverse moving mechanism and the second transverse moving mechanism are perpendicularly arranged, the aluminum alloy plate is enabled to move in a reciprocating mode in a wider horizontal direction, the first transverse moving mechanism is located below the second transverse moving mechanism, the bottom end of the inner cavity of the ash deposition box 11 is fixedly connected with a fixing seat 12, and the bottom end of the ash deposition box 11 is fixedly connected with a drain pipe 9.

The first transverse moving mechanism comprises a second stepping motor 30, a first elliptical plate 2 and a first guide rod 33, the second stepping motor 30 is arranged on the inner side wall of the box body 1, a second bevel gear 32 and a second chain wheel 31 are sequentially arranged at the driving end of the second stepping motor 30 from left to right through a driving shaft, the surface of the second bevel gear 32 is meshed with a first bevel gear 5, so that the second bevel gear 32 can drive the first bevel gear 5 to rotate better, a first rotating rod 3 is connected to the axle center of the first bevel gear 5, the first rotating rod 3 is rotatably connected to a mounting plate connected with the bottom end of an inner cavity of the box body 1, a first connecting rod 4 is connected to the surface of the first rotating rod 3, one end of the first connecting rod 4 is slidably connected with the inner side wall of the first elliptical plate 2, and the bottom end of the first elliptical plate 2 is rotatably connected with the inner, the top end of the first elliptic plate 2 is connected with a first sliding seat 6 through a connecting plate in a transmission way, the first sliding seat 6 is connected on a first guide rod 33 in a sliding way, and the top end of the first sliding seat 6 is connected with the mounting box 8; the second transverse moving mechanism is composed of a telescopic rod 28, a second elliptical plate 24 and a second guide rod 23, the fixed end of the telescopic rod 28 is connected with a first chain wheel 27, the first chain wheel 27 is connected with a second chain wheel 31 through chain transmission, a fourth chain wheel 29 is installed at the telescopic end of the telescopic rod 28, the surface of the fourth chain wheel 29 is provided with a third chain wheel 26 through chain transmission, the fourth chain wheel 29 is convenient to better enable the fourth chain wheel 29 to drive the third chain wheel 26 to rotate through a chain, the axle center part of the third chain wheel 26 is connected with a second rotating rod 7, the second rotating rod 7 is rotatably connected onto a mounting plate connected with the inner side wall of the mounting box 8, the surface of the second rotating rod 7 is fixedly connected with a second connecting rod 25, one end of the second connecting rod 25 is slidably connected with the inner side wall of the second elliptical plate 24, the top end of the second elliptical plate 24 is connected with a second sliding, the second sliding seat 22 is connected to the second guide rod 23 in a sliding manner, and the top end of the second sliding seat 22 is connected with the dust box 11, so that dust can be collected better; the vertical lifting mechanism consists of an electric push rod 16 and a mounting seat 18, the electric push rod 16 is mounted at the top end of the inner cavity of the box body 1, and the mounting seat 18 is mounted at the telescopic end of the electric push rod 16; cooling mechanism comprises hollow shaft 35 and installation cover 14, the hollow shaft top is run through 18 bottoms of mount pad and is extended to 18 tops of mount pad, and hollow shaft 35 leads to and 18 normal running fit of mount pad, first gear 17 and installation cover 14 from the top down are installed on hollow shaft 35 in proper order, and first gear 17 and installation cover 14 all are located mount pad 18 below, and hollow shaft 35 inner chamber and 14 inner chambers of installation cover communicate, 14 inside wall fixedly connected with sponge pieces 15 of installation cover, the better sponge pieces 15 after messenger's is moist cleans the aluminum alloy plate after the polishing, 14 outside wall fixedly connected with brushes 13 of installation cover, be convenient for better clean the aluminum alloy plate after the polishing, inlet tube 10 bottom is run through 1 tops of box and is extended to hollow shaft 35 inner chamber, and the inlet tube 10 top is connected with external suction pump, be convenient for better make external suction pump moisten sponge pieces 15 with water through inlet tube 10 and hollow shaft 35 Wetting; the polishing transmission mechanism consists of a first stepping motor 19 and a polishing disc 21, the first stepping motor 19 is installed at the bottom end of the installation seat 18, and the first gear 17 and the polishing disc 21 are sequentially installed on a driving shaft connected with the driving end of the first stepping motor 19 from top to bottom, so that the second gear 20 can drive the first gear 17 to rotate better; the telescopic rod 28 is formed by sleeving three sleeves, the fixed end of the telescopic rod 28 is fixedly connected with the inner side wall of the box body 1, and the telescopic end of the telescopic rod 28 is rotatably connected with the side wall of the mounting box 8 through a bearing, so that the mounting box 8 can be moved better; the drain pipe 9 end runs through

mounting box

8 and 1 inside wall of box and extends to the box 1 outside, the sewage discharge that produces when being convenient for better to the cooling.

When the utility model is used, the electrical components appearing in the application are externally connected with a power supply and a control switch, when aluminum alloy plates of a radiator are polished, firstly, the aluminum alloy plates are placed on a fixed seat 12 for fixing, then, a second stepping motor 30 is started, the driving end of the second stepping motor 30 drives a second chain wheel 31 and a second bevel gear 32 to rotate through a driving shaft, the second bevel gear 32 drives a first connecting rod 4 to do circular motion through a first bevel gear 5 and a first rotating rod 3, the first connecting rod 4 drives an installation box 8 to do reciprocating motion through a first elliptical plate 2 and a first slide seat 6, the installation box 8 drives an ash deposition box 11 to do reciprocating motion through a second guide rod 23 and a second slide seat 22, the ash deposition box 11 drives the aluminum alloy plates to do reciprocating motion through the fixed seat 12, and simultaneously, the second chain wheel 31 drives a first chain wheel 27 to rotate through a chain, the first chain wheel 27 drives the third chain wheel 26 to rotate through the telescopic rod 28 and the fourth chain wheel 29, the third chain wheel 26 drives the second connecting rod 25 to do circular motion through the second rotating rod 7, the second connecting rod 25 drives the ash deposition box 11 to do reciprocating motion through the second elliptical plate 24 and the second sliding seat 22, the ash deposition box 11 drives the aluminum alloy plate to do reciprocating motion through the fixed seat 12, thereby completing the reciprocating motion of the aluminum alloy plate on the horizontal plane, the first stepping motor 19 is started, the driving end of the first stepping motor 19 drives the polishing disk 21 and the second gear 20 to rotate through the driving shaft, the second gear 20 drives the hairbrush 13 and the sponge block 15 to rotate through the first gear 17, the hollow shaft 35 and the mounting cover 14, the external suction pump guides water into the mounting cover 14 through the water inlet pipe 10 and the hollow shaft 35 to moisten the sponge block 15, and the electric push rod 16 is started, make electric putter 16 pass through mount pad 18, first step motor 19 and drive shaft drive pivoted polishing dish 21 and hollow shaft 25 downstream, make pivoted polishing dish 21 and aluminum alloy plate surface contact, thereby make the reciprocating motion's of horizontal plane aluminum alloy plate polish under polishing dish 21's effect, make hollow shaft 25 drive sponge piece 15 and brush 13 downstream through installation cover 14 simultaneously, thereby make sponge piece 15 and brush 13 and aluminum alloy plate contact, make pivoted brush 13 clear up the reciprocating motion's at the horizontal plane aluminum alloy plate, thereby make pivoted moist sponge piece 15 clean the cooling to the reciprocating motion's at the horizontal plane aluminum alloy plate, be convenient for better take out the aluminum alloy plate after polishing.

Wherein: the surface of the box body 1 is provided with a box cover;

the first stepping motor 19 and the second stepping motor 30 are both YVP90L-4 stepping motors manufactured by suma motor ltd of Nanjing, and supporting circuits thereof can be provided by the merchant.

The electric push rods 16 are all AL03 electric push rods produced by the city of Yuyao alpha Linear drive technology ltd and their associated power supplies and circuits.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a burnishing device of radiator aluminum alloy board which characterized in that: including workstation (34), workstation (34) top fixedly connected with box (1), box (1) top fixedly connected with inlet tube (10), box (1) inner chamber is equipped with cooling polishing system and position control system, and position control system is located cooling polishing system below, cooling polishing system comprises vertical elevating system, cooling mechanism and polishing drive mechanism, and cooling mechanism and polishing drive mechanism from left to right install in proper order in vertical elevating system bottom, polishing drive mechanism comprises polishing mechanism and second gear, and the second gear is installed on polishing mechanism's drive end, cooling mechanism comprises cleaning mechanism and first gear, and first gear is installed on cleaning mechanism's support, and first gear is connected with the second gear meshing, position control system is by first lateral shifting mechanism, Second lateral shifting mechanism, mounting box (8) and deposition box (11) are constituteed, and first lateral shifting mechanism installs on box (1) inside wall, and mounting box (8) are installed and are served in the removal of first lateral shifting mechanism, and second lateral shifting mechanism installs on mounting box (8), and deposition box (11) are installed and are served in the removal of second lateral shifting mechanism, and first lateral shifting mechanism sets up with second lateral shifting mechanism is perpendicular, makes the aluminum alloy plate at the wider reciprocating motion of doing of horizontal direction, and first lateral shifting mechanism is located second lateral shifting mechanism below, deposition box (11) inner chamber bottom fixedly connected with fixing base (12), deposition box (11) bottom fixedly connected with drain pipe (9).

2. The polishing device of aluminum alloy plate for radiator as set forth in claim 1, wherein: the first transverse moving mechanism comprises a second stepping motor (30), a first elliptical plate (2) and a first guide rod (33), the second stepping motor (30) is installed on the inner side wall of the box body (1), a second bevel gear (32) and a second chain wheel (31) are sequentially installed at the driving end of the second stepping motor (30) from left to right through a driving shaft, the surface of the second bevel gear (32) is connected with a first bevel gear (5) in a meshed mode, the axle center part of the first bevel gear (5) is connected with a first rotating rod (3), the first rotating rod (3) is rotatably connected onto a mounting plate connected with the bottom end of an inner cavity of the box body (1), the surface of the first rotating rod (3) is connected with a first connecting rod (4), one end of the first connecting rod (4) is slidably connected with the inner side wall of the first elliptical plate (2), and the bottom end of the first elliptical plate (2) is rotatably connected with the inner side wall of, the top end of the first elliptic plate (2) is connected with a first sliding seat (6) through a connecting plate in a transmission manner, the first sliding seat (6) is connected to a first guide rod (33) in a sliding manner, and the top end of the first sliding seat (6) is connected with a mounting box (8).

3. The polishing device of aluminum alloy plate for radiator as set forth in claim 2, wherein: the second transverse moving mechanism is composed of a telescopic rod (28), a second elliptical plate (24) and a second guide rod (23), the fixed end of the telescopic rod (28) is connected with a first chain wheel (27), the first chain wheel (27) is connected with a second chain wheel (31) through chain transmission, a fourth chain wheel (29) is installed at the telescopic end of the telescopic rod (28), a third chain wheel (26) is arranged on the surface of the fourth chain wheel (29) through chain transmission, the axle center part of the third chain wheel (26) is connected with a second rotating rod (7), the second rotating rod (7) is rotatably connected onto a mounting plate connected with the inner side wall of the mounting box (8), the second rotating rod (7) is fixedly connected with a second connecting rod (25), one end of the second connecting rod (25) is slidably connected with the inner side wall of the second elliptical plate (24), the top end of the second elliptical plate (24) is connected with a second sliding seat (22) through a transmission connecting plate, and the second sliding seat (22) is connected on the second guide rod (23) in a sliding way, and the top end of the second sliding seat (22) is connected with the dust box (11).

4. The polishing device of aluminum alloy plate for radiator as set forth in claim 1, wherein: the vertical lifting mechanism is composed of an electric push rod (16) and a mounting seat (18), the electric push rod (16) is mounted at the top end of the inner cavity of the box body (1), and the mounting seat (18) is mounted at the telescopic end of the electric push rod (16).

5. The polishing device of aluminum alloy plate for heat sink as recited in claim 4, wherein: cooling mechanism comprises hollow shaft (35) and installation cover (14), the hollow shaft top runs through mount pad (18) bottom and extends to mount pad (18) top, and hollow shaft (35) and mount pad (18) normal running fit, first gear (17) and installation cover (14) from the top down install in proper order on hollow shaft (35), and just first gear (17) and installation cover (14) all are located mount pad (18) below, and hollow shaft (35) inner chamber and installation cover (14) inner chamber intercommunication, installation cover (14) inside wall fixedly connected with sponge piece (15), installation cover (14) lateral wall fixedly connected with brush (13), inlet tube (10) bottom runs through box (1) top and extends to hollow shaft (35) inner chamber, and inlet tube (10) top is connected with external suction pump.

6. The polishing device of aluminum alloy plate for heat sink as recited in claim 4, wherein: the polishing transmission mechanism is composed of a first stepping motor (19) and a polishing disc (21), the first stepping motor (19) is installed at the bottom end of the installation seat (18), and the first gear (17) and the polishing disc (21) are sequentially installed on a driving shaft connected with the driving end of the first stepping motor (19) from top to bottom.

7. The polishing device of aluminum alloy plate for radiator as set forth in claim 3, wherein: telescopic link (28) cup joint each other by three sleeve pipe and constitute, the stiff end and box (1) inside wall fixed connection of telescopic link (28), and the flexible end of telescopic link (28) passes through the bearing and is connected with mounting box (8) lateral wall rotation.

8. The polishing device of aluminum alloy plate for radiator as set forth in claim 1, wherein: the tail end of the drain pipe (9) penetrates through the inner side wall of the mounting box (8) and the box body (1) and extends to the outer side of the box body (1).