CN112355793B

CN112355793B - End cover polishing device for processing sewage pump

Info

Publication number: CN112355793B
Application number: CN202011200024.3A
Authority: CN
Inventors: 张炜琛
Original assignee: CHANGCHUN FIRST PUMP Ltd
Current assignee: CHANGCHUN FIRST PUMP Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2022-05-03
Anticipated expiration: 2040-10-30
Also published as: CN112355793A

Abstract

The invention discloses an end cover grinding and polishing device for processing a sewage pump, and relates to the technical field of processing of sewage pumps; the problem that a plurality of end faces cannot be polished is solved; this equipment specifically includes shell, fixed cover and end cover body, the face that the end cover body need polish includes circle in end cover terminal surface one, end cover terminal surface two and the end cover, and fixed cover outer wall joint has the ring of polishing that is used for polishing end cover terminal surface two, and fixed cover bottom outer wall has the connection pad through the fix with screw, and connection pad one side inner wall joint has the frame of polishing one. The end cover body is fixed, the grinding ring is in contact with the end face of the end cover, the inner grinding roller and the grinding disc are in contact with the grinding face, and then the end cover body is rotated to grind three faces to be ground.

Description

End cover polishing device for processing sewage pump

Technical Field

The invention relates to the technical field of sewage pump processing, in particular to an end cover polishing device for processing a sewage pump.

Background

The outer edge of the end cover of the sewage pump is provided with a layer of flanging, the flanging is a special structure specially arranged for ensuring the quality of the motor, the flanging position of the end cover has burrs or flashes in the production process, the hands of workers can be injured in the processing process if the flanging position is not timely processed, and the burrs on the flanging of the end cover have great influence on the quality of the motor, so that the end cover polishing device for processing the sewage pump is required to process the end cover.

Through the retrieval, chinese patent application No. 201710589839.7's patent discloses a sewage pump end cover turn-ups grinding device for municipal works, the device comprises a device body, the device body sets up the base, set up the bracing piece on the base, the top of bracing piece sets up the base, the inside of mounting groove sets up the mounting panel, the top of mounting panel sets up the emery wheel of polishing, the intermediate position of base sets up the through-hole, the inside of through-hole sets up the rotation platform, the bottom of rotation platform sets up the axis of rotation, set up the gear in the axis of rotation, the inside that leads to the groove sets up the rack, mount A's left side sets up the motor, set up the cam on the output shaft of motor. In the above-mentioned patent a sewage pump end cover turn-ups grinding device for municipal works has following not enough: the flanging of the end cover is placed on the inner side of the grinding wheel, one surface is ground only by the grinding wheel, and the inner circle of the end cover and the other surface cannot be ground.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an end cover grinding and polishing device for processing a sewage pump.

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

an end cover polishing device for processing a sewage pump comprises a shell, a fixing sleeve and an end cover body, wherein the surface of the end cover body to be polished comprises a first end cover end surface, a second end cover end surface and an inner end cover circle, a polishing ring for polishing the second end cover end surface is clamped on the outer wall of the fixing sleeve, a connecting disc is fixed on the outer wall of the bottom of the fixing sleeve through a screw, a first polishing frame is clamped on the inner wall of one side of the connecting disc, two sides of the outer wall of the first polishing frame are respectively fixed with a first electric push rod through screws, inner polishing mechanisms for polishing the inner circle of the end cover are respectively arranged on the outer walls of the two electric push rods, a first support column is respectively welded on the two sides of the outer wall of the top of the shell, the outer wall of the first support column is fixed with a second electric push rod through a screw, a support plate is fixed on the outer wall of the two electric push rods through screws, an outer polishing mechanism for polishing the first end cover end surface is arranged on the support plate, a working circular groove is formed on the outer wall of the top of the shell, auxiliary columns are welded to four sides of the inner wall of the bottom of the working circular groove respectively, supporting wheels are connected to the inner walls of the auxiliary columns in a rotating mode, a rotating rod is connected to the center position of the inner wall of the bottom of the working circular groove in a rotating mode, a cylinder is connected to the outer wall of the rotating rod in a clamped mode, a first electromagnetic steel plate is arranged on the outer wall of the bottom of the fixing sleeve, a first motor is fixed to the inner wall of the bottom of the shell through screws, an output shaft of the first motor is connected with the rotating rod through a coupler, a positioning rod is connected to the inner wall of the bottom of the cylinder in a clamped mode, and a positioning groove matched with the positioning rod is formed in the outer wall of the bottom of the polishing frame.

Preferably: the inner grinding mechanism comprises a first sliding block, a first inner grinding roller and a first support frame, the first support frame is fixed on the outer wall of an electric push rod through screws, the outer walls of two sides of the first support frame are respectively provided with a first sliding groove, a first spring is clamped on the inner wall of the first sliding groove, the first sliding block is connected to the inner wall of the first sliding groove in a sliding mode, the first spring is connected with the first sliding block, and the inner grinding roller is clamped on the outer walls of the two first sliding blocks.

Further: the outer grinding mechanism comprises a second grinding frame and a second grinding disc, the second grinding frame is slidably connected to the outer wall of the supporting plate, a second motor is fixed to the outer wall of the supporting plate through screws, an output shaft of the second motor is connected with a lead screw fixed to the supporting plate through a coupler, the second grinding frame is connected to the outer wall of the lead screw through threads, and the second grinding disc is fixed to the outer wall of the bottom of the second grinding frame through bolts.

Further preferred is: and the outer walls of the polishing ring, the inner polishing roller and the polishing disc are respectively provided with a fine polishing layer.

As a preferable aspect of the present invention: the outer wall of the top of the shell is rotatably connected with a second support column, the two outer walls of the support columns are welded with support arms, the outer wall of the bottom of each support arm is fixed with a hydraulic rod through a screw, the telescopic ends of the hydraulic rods are slidably connected with sleeves, the telescopic ends of the hydraulic rods are connected with a first connecting sleeve in a clamping mode, the outer wall of the first connecting sleeve is fixed with a first support rod through a screw, and the outer wall of the first support rod is welded with a first fixing block.

Further preferred as the invention: the fixed sleeve is connected to the outer wall of the sleeve in a clamped mode, a second fixed block is welded to the outer wall of the top of the fixed sleeve, the second fixed block and the first fixed block are in threaded connection with the same fixing bolt, a second connecting sleeve is connected to the outer wall of the electric push rod in a clamped mode, a second supporting rod is welded to the outer wall of the connecting sleeve, and the second supporting rod is connected with the first polishing frame.

On the basis of the scheme: the welding of backup pad outer wall has two support frames two, and two inner walls of two support frames sliding connection respectively have sliding block two, and two one side outer wall joints of sliding block have spring two, and opposite side joint is in the backup pad outer wall, and two inner walls of two sliding blocks rotate and are connected with same auxiliary roll, and the welding of backup pad bottom outer wall has sliding block three, and sliding tray two has been seted up to shell top outer wall, and three sliding connection of sliding block are in two inner walls of sliding tray.

On the basis of the foregoing scheme, it is preferable that: the both sides of ring bottom outer wall of polishing are the joint respectively and are had the triangle body, and triangle body bottom outer wall is provided with the brush of slope, and fixed cover is located the outer wall of ring below of polishing and is provided with the collecting vat, and fixed cover inner wall joint has the breathing pipe, and the breathing pipe is connected with external dust catcher.

The invention has the beneficial effects that:

1. through being provided with the ring of polishing, interior grinding machanism and outer grinding machanism, can be simultaneously to end cover terminal surface two, circle and end cover terminal surface one three face polish in the end cover, can effectual improvement efficiency of polishing, after the end cover body is fixed, will polish ring and end cover terminal surface two phase contact, control electric putter one and electric putter two respectively, with interior grinding machanism and outer grinding machanism and the face contact of polishing, then rotate the end cover body, three face to need polish is polished, the ring of polishing, interior grinding roller and polishing dish outer wall are provided with fine abrasive layer respectively, can improve the roughness of polishing.

2. Through being provided with interior grinding machanism, circle in the end cover that can adapt to different diameters, when electric putter one is elongated, circle contact in grinding roller and the end cover, then continue the extension, until spring one is compressed, under the reaction of spring one, can make better and the end cover inner wall of circle contact in the grinding roller in, control electric putter two, when making the dish of polishing remove end cover terminal surface one top, control motor two drives the lead screw and rotates the downwards movement grinding roller and contact with end cover terminal surface one.

3. Through being provided with support column two, the hydraulic stem on the support column two is used for going up and down to polish the ring and polish the roller, in order to conveniently change and polish the ring and polish the roller, so be provided with the sleeve, sleeve sliding connection is in the flexible end of hydraulic stem, then utilize bracing piece one to fix, fixed block two has same fixing bolt with a fixed block inner wall threaded connection, twist fixing bolt into or screw out, can install or dismantle fixed cover, through two fixed electric putter one of bracing piece, improve electric putter one's stability.

4. Through being provided with the work circular slot, the waste material that the dish of polishing produced can be collected to the work circular slot, set up four auxiliary end cover body pivoted supporting wheels and the electro-magnet dish that is used for fixed end cover body in the work circular slot one, place the end cover body on the drum, then power on for electro-magnet dish one, it is fixed with the end cover body, then polish a frame when the circle is gone into in moving down gets into the end cover, the locating lever injects the constant head tank, support the location, then starter motor one, drive the drum and rotate, make the end cover body slowly rotate, polish.

5. By arranging the auxiliary rollers, when the end cover body is fixed, the electric push rod II is controlled to enable the polishing disc to move to the position above the end face I of the end cover, the auxiliary rollers can be in contact with the outer wall of the end cover body, then the spring II is compressed to enable the spring II to be tightly attached to the outer wall of the end cover body, and when the end cover body rotates, the two auxiliary rollers play a role in auxiliary rotation; through being provided with the brush, the brush is the slope setting, and when the end cover body rotated, can sweep the waste material that produces into the collecting vat on the fixed cover like this, is provided with the breathing pipe simultaneously, in work, can absorb the waste material.

Drawings

FIG. 1 is a schematic front view of an end cap polishing device for processing a sewage pump according to the present invention;

FIG. 2 is a schematic side view of an end cap polishing device for processing a sewage pump according to the present invention;

FIG. 3 is a schematic view of a fixing sleeve structure of an end cap polishing device for processing a sewage pump according to the present invention;

FIG. 4 is a schematic structural diagram of a polishing frame of an end cover polishing device for processing a sewage pump according to the present invention;

FIG. 5 is a schematic structural view of a second polishing frame of the end cover polishing device for processing the sewage pump, which is provided by the invention;

fig. 6 is a schematic structural view of an end cover body of an end cover polishing device for processing a sewage pump according to the present invention.

In the figure: 1 shell, 2 working circular grooves, 3 supporting column I, 4 fixing sleeves, 5 supporting rod I, 6 connecting sleeve I, 7 fixing block I, 8 electromagnet disc I, 9 cylinders, 10 positioning rods, 11 motor I, 12 supporting wheels, 13 grinding frame I, 14 hydraulic rods, 15 supporting column II, 16 air suction pipes, 17 collecting grooves, 18 brushes, 19 grinding rings, 20 fixing block II, 21 sleeves, 22 connecting discs, 23 electric push rod I, 24 positioning grooves, 25 supporting rod II, 26 spring I, 27 sliding block I, 28 internal grinding rollers, 29 supporting frame I, 30 electric push rod II, 31 supporting plates, 32 motor II, 33 grinding frame II, 34 grinding disc, 35 screw rods, 36 auxiliary rollers, 37 spring II, 38 sliding block II, 39 sliding block III, 40 supporting frame II, 41 end cover end face I, 42 end cover end face II, 43 end cover inner circles and 44 end cover bodies.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

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

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

An end cover polishing device for processing a sewage pump is shown in figures 1, 2, 3, 4, 5 and 6 and comprises a shell 1, a fixed sleeve 4 and an end cover body 44, the surface of the end cover body 44 to be polished comprises an end cover end surface I41, an end cover end surface II 42 and an end cover inner circle 43, a polishing ring 19 for polishing the end cover end surface II 42 is clamped on the outer wall of the fixed sleeve 4, a connecting disc 22 is fixed on the outer wall of the bottom of the fixed sleeve 4 through screws, a polishing frame I13 is clamped on the inner wall on one side of the connecting disc 22, electric push rods I23 are respectively fixed on two sides of the outer wall of the polishing frame I13 through screws, inner polishing mechanisms for polishing the end cover inner circle 43 are respectively arranged on the outer walls of the two electric push rods I23, support columns I3 are respectively welded on two sides of the outer wall of the top of the shell 1, electric push rods II 30 are fixed on the outer walls of the support columns I3 through screws, support plates 31 are fixed on the outer walls of the electric push rods II 30 through screws, an outer grinding mechanism for grinding the end face I41 of the end cover is arranged on the support plate 31; through being provided with the ring 19 of polishing, interior grinding machanism and outer grinding machanism, can be simultaneously polish two 42 end cover terminal surfaces, circle 43 and the three face of an end cover terminal surface 41 in the end cover, can effectual improvement efficiency of polishing, after end cover body 44 is fixed, ring 19 will polish contacts with two 42 end cover terminal surfaces, control electric putter one 23 and electric putter two 30 respectively, with interior grinding machanism and outer grinding machanism and the face contact of polishing, then rotate end cover body 44, three face to needs are polished.

To enable better grinding of the end cap body 44; as shown in fig. 3, 4 and 5, the inner polishing mechanism comprises a first sliding block 27, an inner polishing roller 28 and a first supporting frame 29, the first supporting frame 29 is fixed on the outer wall of the first electric push rod 23 through screws, the outer walls of the two sides of the first supporting frame 29 are respectively provided with a first sliding groove, a first spring 26 is clamped on the inner wall of the first sliding groove, the first sliding block 27 is connected on the inner wall of the first sliding groove in a sliding manner, the first spring 26 is connected with the first sliding block 27, the inner polishing roller 28 is clamped on the outer walls of the two first sliding blocks 27, the outer polishing mechanism comprises a second polishing frame 33 and a polishing disc 34, the second polishing frame 33 is connected on the outer wall of the supporting plate 31 in a sliding manner, a second motor 32 is fixed on the outer wall of the supporting plate 31 through screws, the output shaft of the second motor 32 is connected with a screw rod 35 fixed on the supporting plate 31 through a coupler, the second polishing disc 33 is connected on the outer wall of the bottom of the second polishing frame 33 through screws, the outer walls of the polishing ring 19, the inner polishing roller 28 and the polishing disc 34 are respectively provided with a fine polishing layer; through being provided with interior grinding machanism, can adapt to the end cover of different diameters in the circle 43, when electric putter 23 extends, grinding roller 28 contacts with the end cover in the circle 43, then continue the extension, until spring 26 is compressed, under the reaction of spring 26, can make interior grinding roller 28 better contact with the inner wall of end cover in the circle 43, control electric putter two 30, when making the first 41 top of end cover terminal surface of beating dish 34 removal, control motor two 32, drive lead screw 35 and rotate and move down beating dish 34 and contact with end cover terminal surface one 41.

In order to be able to replace the grinding ring 19 in time; as shown in fig. 1, 2, 3 and 4, the outer wall of the top of the housing 1 is rotatably connected with a second support column 15, the outer wall of the second support column 15 is welded with a support arm, the outer wall of the bottom of the support arm is fixed with a hydraulic rod 14 through a screw, the telescopic end of the hydraulic rod 14 is slidably connected with a sleeve 21, the telescopic end of the hydraulic rod 14 is clamped with a first connection sleeve 6, the outer wall of the first connection sleeve 6 is fixed with a first support rod 5 through a screw, the outer wall of the first support rod 5 is welded with a first fixing block 7, a fixing sleeve 4 is clamped with the outer wall of the sleeve 21, the outer wall of the top of the fixing sleeve 4 is welded with a second fixing block 20, the inner walls of the fixing block two 20 and the fixing block one 7 are in threaded connection with the same fixing bolt, the outer wall of the first electric push rod 23 is clamped with a second connection sleeve, the outer wall of the connection sleeve is welded with a second support rod 25, and the second support rod 25 is connected with a first polishing frame 13; through being provided with two 15 of support columns, hydraulic stem 14 on two 15 of support columns is used for going up and down to polish ring 19 and polish roller 28, in order to conveniently change and polish ring 19 and polish roller 28, so be provided with sleeve 21, sleeve 21 sliding connection is in hydraulic stem 14's flexible end, then utilize bracing piece one 5 to fix, two 20 of fixed blocks and one 7 inner wall threaded connection of fixed block have same fixing bolt, twist fixing bolt into or screw out, can install or dismantle fixed cover 4, fix electric putter one 23 through two 25 of support rods, improve electric putter one 23's stability.

To enable support of the end cap body 44; as shown in fig. 1, 2 and 4, a working circular groove 2 is formed in the outer wall of the top of a shell 1, auxiliary columns are welded to four sides of the inner wall of the bottom of the working circular groove 2 respectively, supporting wheels 12 are connected to the inner wall of the auxiliary columns in a rotating mode, a rotating rod is connected to the center position of the inner wall of the bottom of the working circular groove 2 in a rotating mode, a cylinder 9 is connected to the outer wall of the rotating rod in a clamping mode, a first electromagnetic disk 8 is arranged on the outer wall of the cylinder 9, a second electromagnetic disk is arranged on the outer wall of the bottom of a fixing sleeve 4, a first motor 11 is fixed to the inner wall of the bottom of the shell 1 through screws, an output shaft of the first motor 11 is connected with the rotating rod through a coupler, a positioning rod 10 is connected to the inner wall of the bottom of the cylinder 9 in a clamping mode, and a positioning groove 24 matched with the positioning rod 10 is formed in the outer wall of the bottom of a polishing frame 13; through being provided with work circular slot 2, the waste material that the mill 34 of polishing produced can be collected to work circular slot 2, set up four auxiliary end cover body 44 pivoted supporting wheels 12 and the electro-magnet dish 8 that is used for fixed end cover body 44 in work circular slot 2, place end cover body 44 on drum 9, then energize for electro-magnet dish 8, it is fixed with end cover body 44, then it is when the circle 43 in the downward movement entering end cover to polish a 13, locating lever 10 injects constant head tank 24, support the location, then starter motor 11, drive drum 9 and rotate, make end cover body 44 slowly rotate, polish.

In order to be able to perform auxiliary fixing on the side of the end cover body 44; as shown in fig. 1 and 5, two second support frames 40 are welded on the outer wall of the support plate 31, the inner walls of the two second support frames 40 are respectively connected with a second sliding block 38 in a sliding manner, a second spring 37 is clamped on the outer wall of one side of the second sliding block 38, the other side of the second sliding block is clamped on the outer wall of the support plate 31, the inner walls of the two second sliding blocks 38 are rotatably connected with the same auxiliary roller 36, a third sliding block 39 is welded on the outer wall of the bottom of the support plate 31, a second sliding groove is formed in the outer wall of the top of the shell 1, and the third sliding block 39 is connected with the inner wall of the second sliding groove in a sliding manner; by arranging the auxiliary roller 36, after the end cover body 44 is fixed, when the electric push rod two 30 is controlled to move the polishing disc 34 to the position above the end cover end face one 41, the auxiliary roller 36 can be in contact with the outer wall of the end cover body 44, then the spring two 37 is compressed, so that the spring two can be tightly attached to the outer wall of the end cover body 44, and when the end cover body 44 rotates, the two auxiliary rollers 36 play a role in assisting the rotation of the end cover body 44.

In order to be able to clean the residues produced by the grinding ring 19; as shown in fig. 1 and 3, two sides of the outer wall of the bottom of the polishing ring 19 are respectively clamped with a triangular body, the outer wall of the bottom of the triangular body is provided with an inclined brush 18, the outer wall of the fixing sleeve 4 below the polishing ring 19 is provided with a collecting tank 17, the inner wall of the fixing sleeve 4 is clamped with an air suction pipe 16, and the air suction pipe 16 is connected with an external dust collector; by providing the brush 18, the brush 18 is inclined so that the waste generated when the end cap body 44 is rotated can be swept into the collecting tank 17 of the fixing sleeve 4, and the suction pipe 16 is provided so that the waste can be absorbed when the fixing sleeve is operated.

In the embodiment, when the polishing device is used, the end cover body 44 is placed on the cylinder 9, the electromagnet disc I8 is electrified, the end cover body 44 is fixed, the supporting wheel 12 and the two auxiliary rollers 36 play a role in auxiliary rotation, then the hydraulic rod 14 is controlled, the polishing ring 19 moves downwards to contact with the end cover end face II 42, the positioning rod 10 is inserted into the positioning groove 24 for supporting and positioning, the electric push rod I23 and the electric push rod II 30 are respectively controlled to enable the inner polishing roller 28 to better contact with the inner wall of the inner circle 43 of the end cover, when the polishing disc 34 moves to the position above the end cover end face I41, the motor II 32 is controlled to drive the screw rod 35 to rotate to move the polishing disc 34 downwards to contact with the end cover end face I41, then the motor I11 is started to drive the cylinder 9 to rotate, the end cover body 44 rotates slowly to polish, the waste generated by the polishing ring 19 can be swept into the collecting groove 17 on the fixing sleeve 4 by the brush 18, waste materials generated by the polishing disc 34 fall into the working circular groove 2, waste materials generated by the inner polishing roller 28 fall into the cylinder 9, after polishing is completed, the electromagnet disc II is electrified, the hydraulic rod 14 contracts, and the end cover body 44 is taken out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An end cover polishing device for processing a sewage pump comprises a shell (1), a fixing sleeve (4) and an end cover body (44), wherein the surface of the end cover body (44) to be polished comprises a first end cover end surface (41), a second end cover end surface (42) and an inner end cover circle (43), and is characterized in that a polishing ring (19) for polishing the second end cover end surface (42) is clamped on the outer wall of the fixing sleeve (4), a connecting disc (22) is fixed on the outer wall of the bottom of the fixing sleeve (4) through screws, a first polishing frame (13) is clamped on the inner wall of one side of the connecting disc (22), first electric push rods (23) are respectively fixed on two sides of the outer wall of the first polishing frame (13) through screws, inner polishing mechanisms for polishing the inner end cover circle (43) are respectively arranged on the outer walls of the two first electric push rods (23), first support columns (3) are respectively welded on two sides of the outer wall of the top of the shell (1), and second electric push rods (30) are fixed on the outer walls of the first support columns (3) through screws, a supporting plate (31) is fixed on the outer wall of the electric push rod II (30) through a screw, an outer grinding mechanism for grinding the end surface I (41) of the end cover is arranged on the supporting plate (31), work circular slot (2) have been seted up to shell (1) top outer wall, auxiliary post has been welded respectively to work circular slot (2) bottom inner wall four sides, the auxiliary post inner wall rotates and is connected with supporting wheel (12), work circular slot (2) bottom inner wall central point puts and rotates and is connected with the dwang, dwang outer wall joint has drum (9), drum (9) outer wall is provided with electromagnetism iron dish one (8), fixed cover (4) bottom outer wall is provided with electromagnetism iron dish two, shell (1) bottom inner wall has motor one (11) through the fix with screw, the output shaft of motor one (11) is connected with the dwang through the shaft coupling, drum (9) bottom inner wall joint has locating lever (10), frame (13) bottom outer wall of polishing is seted up constant head tank (24) with locating lever (10) looks adaptation.

2. The end cover polishing device for sewage pump processing as claimed in claim 1, wherein the inner polishing mechanism comprises a first sliding block (27), a first inner polishing roller (28) and a first support frame (29), the first support frame (29) is fixed on the outer wall of the first electric push rod (23) through screws, first sliding grooves are respectively formed in the outer walls of the two sides of the first support frame (29), first springs (26) are clamped on the inner walls of the first sliding grooves, the first sliding block (27) is slidably connected with the inner walls of the first sliding grooves, the first springs (26) are connected with the first sliding block (27), and the first inner polishing roller (28) is clamped on the outer walls of the first sliding blocks (27).

3. The end cover polishing device for processing the sewage pump as recited in claim 1, wherein the outer polishing mechanism comprises a second polishing frame (33) and a second polishing disc (34), the second polishing frame (33) is slidably connected to the outer wall of the supporting plate (31), a second motor (32) is fixed to the outer wall of the supporting plate (31) through screws, an output shaft of the second motor (32) is connected with a screw rod (35) fixed to the supporting plate (31) through a coupler, the second polishing frame (33) is connected to the outer wall of the screw rod (35) through threads, and the second polishing disc (34) is fixed to the outer wall of the bottom of the second polishing frame (33) through bolts.

4. The end cover grinding and polishing device for sewage pump processing as claimed in claim 1, wherein the outer walls of the grinding ring (19), the inner grinding roller (28) and the grinding disc (34) are respectively provided with a fine grinding layer.

5. The end cover polishing device for sewage pump processing according to claim 1, wherein the outer wall of the top of the housing (1) is rotatably connected with a second support column (15), a support arm is welded on the outer wall of the second support column (15), a hydraulic rod (14) is fixed on the outer wall of the bottom of the support arm through a screw, a sleeve (21) is slidably connected with the telescopic end of the hydraulic rod (14), a first connecting sleeve (6) is clamped on the telescopic end of the hydraulic rod (14), a first support rod (5) is fixed on the outer wall of the first connecting sleeve (6) through a screw, and a first fixing block (7) is welded on the outer wall of the first support rod (5).

6. The end cover polishing device for sewage pump processing as defined in claim 1, wherein the fixing sleeve (4) is clamped on the outer wall of the sleeve (21), a second fixing block (20) is welded on the outer wall of the top of the fixing sleeve (4), the second fixing block (20) and the first fixing block (7) are in threaded connection with the same fixing bolt, a second connecting sleeve is clamped on the outer wall of the first electric push rod (23), a second support rod (25) is welded on the outer wall of the second connecting sleeve, and the second support rod (25) is connected with the first polishing frame (13).

7. The end cover polishing device for sewage pump processing as claimed in claim 3, wherein two second support frames (40) are welded to the outer wall of the support plate (31), two second sliding blocks (38) are respectively and slidably connected to the inner walls of the two second support frames (40), a second spring (37) is clamped to the outer wall of one side of each second sliding block (38), the other side of each second sliding block (38) is clamped to the outer wall of the support plate (31), the inner walls of the two second sliding blocks (38) are rotatably connected to the same auxiliary roller (36), a third sliding block (39) is welded to the outer wall of the bottom of the support plate (31), a second sliding groove is formed in the outer wall of the top of the housing (1), and the third sliding block (39) is slidably connected to the inner walls of the second sliding groove.

8. The end cover polishing device for sewage pump processing as claimed in claim 1, wherein the two sides of the outer wall of the bottom of the polishing ring (19) are respectively clamped with a triangle, the outer wall of the bottom of the triangle is provided with an inclined brush (18), the outer wall of the fixing sleeve (4) below the polishing ring (19) is provided with a collecting groove (17), the inner wall of the fixing sleeve (4) is clamped with an air suction pipe (16), and the air suction pipe (16) is connected with an external dust collector.