阅读说明：本技术 一种镜板研磨装置 (Mirror plate grinding device ) 是由 钮国敢 崔连顺 陈建亭 于 2021-08-03 设计创作，主要内容包括：本发明公开了一种镜板研磨装置,包括研磨桌体,所述研磨桌体底端固定安装有四个桌脚,所述桌脚之间固定安装有桌脚连接柱,所述研磨桌体的中部开设有电机连接槽,控速带动装置,用于为装置提供动力并进行控速调节的控速带动装置设置于所述电机连接槽的内部。本发明通过减小了磨盘架的设计长度,从而保障了装置在进行正常镜面研磨的同时降低了研磨机整体装置的制造成本并实现了机械化的镜板面研磨操作,此外,通过摆轮针式的减速电机设置提高了传动效率并延长了装置使用寿命,进一步的,通过第二转动轮与研磨块之间的偏心轴设置增大了研磨面的同时保障了镜板面研磨时的纹路整齐,从而达到均匀研磨的效果。(The invention discloses a mirror plate grinding device which comprises a grinding table body, wherein four table legs are fixedly arranged at the bottom end of the grinding table body, table leg connecting columns are fixedly arranged among the table legs, a motor connecting groove is formed in the middle of the grinding table body, and a speed control driving device for providing power for the device and adjusting speed is arranged in the motor connecting groove. The grinding wheel frame reduces the design length of the grinding wheel frame, so that the manufacturing cost of the whole device of the grinding machine is reduced while normal mirror surface grinding is carried out on the device, mechanical grinding operation of the mirror plate surface is realized, in addition, the transmission efficiency is improved and the service life of the device is prolonged through the arrangement of the balance wheel pin type speed reducing motor, further, the grinding surface is increased through the arrangement of the eccentric shaft between the second rotating wheel and the grinding block, and the grain orderliness of the mirror plate surface during grinding is ensured, so that the effect of uniform grinding is achieved.)

1. A mirror plate grinding device, comprising:

the grinding table comprises a grinding table body (1), wherein four table legs (11) are fixedly mounted at the bottom end of the grinding table body (1), a table leg connecting column (12) is fixedly mounted between the table legs (11), and a motor connecting groove (13) is formed in the middle of the grinding table body (1);

the speed control driving device is used for providing power for the device and adjusting speed control and is arranged inside the motor connecting groove (13);

and the adjusting and grinding device is used for uniformly grinding the mirror plate and is arranged at the top end of the speed control driving device.

2. The mirror plate grinding apparatus of claim 1, wherein the speed control driving device comprises a driving motor (2), a first driving shaft (21), a fixed base (22), a connecting base (23), a second driving shaft (24), a motor protection housing (25), a speed reduction motor (26), and a supporting plate (27), the connecting base (23) is fixedly installed inside the motor connecting groove (13), the driving motor (2) is fixedly installed inside the connecting base (23) at an inner wall of one side near the bottom end, the first driving shaft (21) is fixedly installed at an output shaft end of the driving motor (2), the fixed base (22) is fixedly installed at a side wall of the driving motor (2) near the top end, the motor protection housing (25) is fixedly installed at an inner wall of one side of the connecting base (23) near the top end, gear motor (26) fixed mounting in the inside of motor protective housing (25), the input pivot end of gear motor (26) with carry out fixed connection between first drive axle (21), tray (27) fixed mounting in gear motor (26) is close to the one side outer wall on top, second drive axle (24) with the output pivot of gear motor (26) carries out fixed connection.

3. A mirror plate grinding device according to claim 2, characterized in that the adjusting grinding device comprises a driving connecting shaft (3), a first rotating wheel (31), a grinding disc holder (32), a second rotating wheel (33), a mechanical crank arm (34), a third rotating wheel (35), a rotating belt (36), a grinding assembly and an adjusting assembly, the bottom end of the driving connecting shaft (3) is fixedly connected with the top end of the second driving shaft (24), the first rotating wheel (31) is fixedly mounted on the side wall of the end of the driving connecting shaft (3) far away from the speed reduction motor (26), the grinding disc holder (32) is fixedly mounted on the top end of the driving connecting shaft (3), the second rotating wheel (33) is rotatably mounted on the end of the grinding disc holder (32) far away from the driving connecting shaft (3), one end of the mechanical crank arm (34) is fixedly mounted on the side wall of the grinding disc holder (32), the third rotating wheel (35) is connected to the other end of the mechanical crank arm (34) in a sliding mode, and a rotating belt (36) is connected among the first rotating wheel (31), the second rotating wheel (33) and the third rotating wheel (35) in a transmission mode;

grinding unit includes spliced pole (4), stopper (41), grinds piece (42) and buddhist nun's cloth (43), the top of spliced pole (4) with carry out fixed connection between the bottom that wheel (33) is rotated to the second, stopper (41) fixed mounting in the lateral wall of spliced pole (4), grind piece (42) fixed mounting in the bottom of spliced pole (4), buddhist nun's cloth (43) laminating wrap up in the lateral wall of grinding piece (42).

4. A mirror plate grinding apparatus according to claim 3, wherein the adjusting assembly comprises an adjusting groove (37) and an adjusting connecting rod (38), the adjusting groove (37) is provided on a side wall of the grinding plate frame (32) near one end of the driving connecting shaft (3), the adjusting connecting rod (38) is fixedly mounted on a top end of the driving connecting shaft (3), a sliding connection is provided between an outer side wall of the adjusting connecting rod (38) and an inner portion of the adjusting groove (37), and a fastening nut is screwed on a top end of the adjusting connecting rod (38).

5. A mirror plate grinder as claimed in claim 3, wherein the top of the fixed base (22) is fixedly connected to the bottom of the motor protection housing (25), the bottom of the driving connecting shaft (3) is slidably connected to the top of the supporting plate (27), and the top of the supporting plate (27) is always in close contact with the bottom of the second driving shaft (24) when the driving connecting shaft (3) rotates.

6. A mirror plate grinding device according to claim 3, wherein the second rotating wheel (33) is rotatably mounted at the bottom end of the grinding plate frame (32), the mechanical crank arm (34) is disposed between the first rotating wheel (31) and the grinding plate frame (32), the first rotating wheel (31), the second rotating wheel (33) and the third rotating wheel (35) are located on the same horizontal plane, and the widths of the chutes formed between the first rotating wheel (31), the second rotating wheel (33) and the third rotating wheel (35) are the same.

7. A mirror plate grinding apparatus according to claim 3, wherein the third rotating wheel (35) is fixed by a rotating bolt, a sliding shaft side wall of the third rotating wheel (35) and a shaft-moving sliding slot side wall formed by the mechanical crank arm (34) are always tightly abutted, a fastening disc (39) is disposed at a rotational connection position of the grinding disc holder (32) and the second rotating wheel (33), an inner side wall of the fastening disc (39) is rotationally connected with a shaft end side wall of the second rotating wheel (33), and the fastening disc (39) limits a shaft end of the second rotating wheel (33).

8. A mirror plate grinding device according to claim 3, wherein the stopper (41) is disposed on a side wall of the connecting column (4) between the grinding block (42) and the second rotating wheel (33), the stopper (41) stopping the protruding end of the nylon cloth (43).

Technical Field

The invention relates to the technical field of mirror plate grinding, in particular to a mirror plate grinding device.

Background

The connecting component is used for transmitting the axial load of the hydroelectric generating set to a thrust pad to form a thrust bearing together with the thrust pad and a supporting part thereof, the common medium-large vertical shaft hydroelectric generating set adopts an oil-lubricated segmented pad thrust bearing, because a mirror plate rotates on the surface of the thrust pad at a high linear speed, if the surface of the mirror is scratched or has reduced roughness, the phenomena of tile grinding and tile burning can occur, and the safe and stable operation of the hydroelectric generating set is endangered, so after the running of the hydroelectric generating set for several years, the hydroelectric power plant needs to grind the surface of the mirror plate during the overhaul period.

In addition, in the grinding process of the prior mirror plate, the operation is completely carried out by manpower, the manual grinding is time-consuming and labor-consuming, the grinding precision cannot be guaranteed due to the uneven grinding force, the technological requirement is difficult to meet, and the hidden danger is left for the safe and stable operation of the unit.

To solve the above problems, a mirror plate grinding apparatus is provided.

Disclosure of Invention

The invention aims to solve the defects of high labor consumption and uneven finish plate surface grinding in the prior art, and provides a mirror plate grinding device.

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

a mirror plate grinding device, comprising:

the grinding table comprises a grinding table body, wherein four table legs are fixedly mounted at the bottom end of the grinding table body, a table leg connecting column is fixedly mounted between the table legs, and a motor connecting groove is formed in the middle of the grinding table body;

the speed control driving device is used for providing power for the device and adjusting speed control and is arranged in the motor connecting groove;

and the adjusting and grinding device is used for uniformly grinding the mirror plate and is arranged at the top end of the speed control driving device.

Preferably, the speed control driving device comprises a driving motor, a first driving shaft, a fixed base, a connecting base, a second driving shaft, a motor protective shell, a speed reduction motor and a bearing tray, wherein the connecting base is fixedly arranged inside the motor connecting groove, the driving motor is fixedly arranged on the inner wall of one side, close to the bottom end, inside the connecting base, the first driving shaft is fixedly arranged at the output shaft end of the driving motor, the fixed base is fixedly arranged on the side wall, close to the top end, of the driving motor, the motor protective shell is fixedly arranged on the inner wall of one side, close to the top end, of the connecting base, the speed reduction motor is fixedly arranged inside the motor protective shell, the input rotating shaft end of the speed reduction motor is fixedly connected with the first driving shaft, the bearing tray is fixedly arranged on the outer wall of one side, close to the top end, of the speed reduction motor, and the second driving shaft is fixedly connected with an output rotating shaft of the speed reducing motor.

Preferably, the adjusting and grinding device comprises a driving connecting shaft, a first rotating wheel, a grinding disc frame, a second rotating wheel, a mechanical crank arm, a third rotating wheel, a rotating belt, a grinding assembly and an adjusting assembly, wherein the bottom end of the driving connecting shaft is fixedly connected with the top end of the second driving shaft, the first rotating wheel is fixedly installed on the side wall of one end, away from the speed reduction motor, of the driving connecting shaft, the grinding disc frame is fixedly installed at the top end of the driving connecting shaft, the second rotating wheel is rotatably installed at one end, away from the driving connecting shaft, of the grinding disc frame, one end of the mechanical crank arm is fixedly installed on the side wall of the grinding disc frame, the third rotating wheel is slidably connected to the other end of the mechanical crank arm, and the rotating belt is in transmission connection among the first rotating wheel, the second rotating wheel and the third rotating wheel;

the grinding component comprises a connecting column, a limiting block, a grinding block and a piece of nylon cloth, the top end of the connecting column is fixedly connected with the bottom end of the second rotating wheel, the limiting block is fixedly installed on the side wall of the connecting column, the grinding block is fixedly installed on the bottom end of the connecting column, and the nylon cloth is wrapped on the outer side wall of the grinding block in a fitting mode.

Preferably, the adjusting assembly comprises an adjusting groove and an adjusting connecting rod, the adjusting groove is formed in the side wall, close to one end of the driving connecting shaft, of the grinding disc frame, the adjusting connecting rod is fixedly mounted at the top end of the driving connecting shaft, sliding connection is conducted between the outer side wall of the adjusting connecting rod and the inside of the adjusting groove, and the top end of the adjusting connecting rod is connected with a fastening nut in a threaded mode.

Preferably, the unable adjustment base top with carry out fixed connection between the bottom of motor protective housing, the bottom that drives the connecting axle with carry out sliding connection between the top of bearing dish, and when driving the connecting axle and rotate, the top of bearing dish all the time with carry out closely laminating between the bottom of second drive axle.

Preferably, the second rotating wheel is rotatably installed at the bottom end of the grinding disc frame, the mechanical crank arm is arranged between the first rotating wheel and the grinding disc frame, the first rotating wheel, the second rotating wheel and the third rotating wheel are located on the same horizontal plane, and the widths of the rotating belt sliding grooves formed among the first rotating wheel, the second rotating wheel and the third rotating wheel are the same.

Preferably, the third rotating wheel is fixed through a rotating bolt, a sliding shaft side wall of the third rotating wheel and a shaft-moving sliding groove side wall formed in the mechanical crank arm are always tightly abutted, a fastening disc is arranged at the rotating connection position of the grinding disc frame and the second rotating wheel, the inner side wall of the fastening disc is rotatably connected with a shaft end side wall of the second rotating wheel, and the fastening disc limits the shaft end of the second rotating wheel.

Preferably, the limiting block is arranged on the side wall of the connecting column between the grinding block and the second rotating wheel, and the limiting block limits the protruding end of the nylon cloth.

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

1. according to the invention, the driving motor and the first driving shaft are arranged at positions, and the design length of the grinding disc frame is reduced, so that the manufacturing cost of the whole device of the grinding machine is reduced while normal mirror surface grinding is carried out on the device, and mechanized grinding operation of the mirror plate surface is realized.

2. According to the invention, through the matching action among the driving motor, the grinding disc frame, the mechanical crank arm, the rotating belt and the grinding block, the transmission efficiency is improved and the service life of the device is prolonged through the arrangement of the balance wheel needle type speed reducing motor, and further, the grinding surface is increased through the arrangement of the eccentric shaft between the second rotating wheel and the grinding block, and the grain tidiness during grinding of the mirror plate surface is ensured, so that the effect of uniform grinding is achieved.

Drawings

FIG. 1 is a schematic view of an overall structure of a mirror plate polishing apparatus according to the present invention;

FIG. 2 is a schematic view of a split structure of a mirror plate polishing apparatus according to the present invention;

FIG. 3 is a schematic view of a first disassembled structure of a mirror plate polishing apparatus according to the present invention;

FIG. 4 is a schematic diagram of a second disassembled structure of a mirror plate polishing apparatus according to the present invention;

FIG. 5 is a schematic view of a third disassembled structure of a mirror plate polishing apparatus according to the present invention;

fig. 6 is a schematic diagram of a fourth split structure of a mirror plate polishing apparatus according to the present invention.

In the figure: the grinding table comprises a grinding table body 1, 11 table legs, 12 table leg connecting columns, 13 motor connecting grooves, 2 driving motors, 21 first driving shafts, 22 fixed bases, 23 connecting bases, 24 second driving shafts, 25 motor protective housings, 26 speed reducing motors, 27 bearing trays, 3 driving connecting shafts, 31 first rotating wheels, 32 grinding disc frames, 33 second rotating wheels, 34 mechanical crank arms, 35 third rotating wheels, 36 rotating belts, 37 adjusting grooves, 38 adjusting connecting rods, 39 fastening discs, 4 connecting columns, 41 limiting blocks, 42 grinding blocks and 43 nylon cloth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 6, a mirror plate grinding apparatus includes:

the grinding table comprises a grinding table body 1, wherein four table legs 11 are fixedly arranged at the bottom end of the grinding table body 1, a table leg connecting column 12 is fixedly arranged between the table legs 11, and a motor connecting groove 13 is formed in the middle of the grinding table body 1;

the speed control driving device is used for providing power for the device and adjusting the speed control and is arranged inside the motor connecting groove 13;

and the adjusting and grinding device is used for uniformly grinding the mirror plate and is arranged at the top end of the speed control driving device.

The invention is further detailed: the speed control driving device comprises a driving motor 2, a first driving shaft 21, a fixed base 22, a connecting base 23, a second driving shaft 24, a motor protective shell 25, a speed reducing motor 26 and a bearing tray 27, connect base 23 fixed mounting in the inside of motor spread groove 13, drive motor 2 fixed mounting in the inside one side inner wall that is close to the bottom of connecting base 23, first drive axle 21 fixed mounting is in the output axle head that drives motor 2, unable adjustment base 22 fixed mounting is in the lateral wall that drives motor 2 and is close to the top, motor protective housing 25 fixed mounting is in the one side inner wall that connects base 23 and is close to some top, gear motor 26 fixed mounting is in the inside of motor protective housing 25, carry out fixed connection between gear motor 26's input pivot end and first drive axle 21, hold tray 27 fixed mounting in one side outer wall that gear motor 26 is close to the top, second drive axle 24 carries out fixed connection with gear motor 26's output pivot.

The invention is further detailed: the adjusting and grinding device comprises a driving connecting shaft 3, a first rotating wheel 31, a grinding disc frame 32, a second rotating wheel 33, a mechanical crank arm 34, a third rotating wheel 35, a rotating belt 36, a grinding assembly and an adjusting assembly, wherein the bottom end of the driving connecting shaft 3 is fixedly connected with the top end of a second driving shaft 24, the first rotating wheel 31 is fixedly arranged on the side wall of one end, away from the speed reducing motor 26, of the driving connecting shaft 3, the grinding disc frame 32 is fixedly arranged on the top end of the driving connecting shaft 3, the second rotating wheel 33 is rotatably arranged on one end, away from the driving connecting shaft 3, of the grinding disc frame 32, one end of the mechanical crank arm 34 is fixedly arranged on the side wall of the grinding disc frame 32, the third rotating wheel 35 is connected to the other end of the mechanical crank arm 34 in a sliding manner, and the rotating belt 36 is connected among the first rotating wheel 31, the second rotating wheel 33 and the third rotating wheel 35 in a transmission manner;

grinding unit includes spliced pole 4, stopper 41, grinds piece 42 and buddhist nun cloth 43, carries out fixed connection between the top of spliced pole 4 and the bottom that the second rotated wheel 33, and stopper 41 fixed mounting is in spliced pole 4's lateral wall, grinds piece 42 fixed mounting in spliced pole 4's bottom, and buddhist nun cloth 43 laminates the lateral wall that wraps up in grinding piece 42.

The invention is further detailed: the adjusting assembly comprises an adjusting groove 37 and an adjusting connecting rod 38, the adjusting groove 37 is arranged on the side wall of the grinding disc frame 32 close to one end of the driving connecting shaft 3, the top end of the driving connecting shaft 3 is fixedly provided with the adjusting connecting rod 38, sliding connection is carried out between the outer side wall of the adjusting connecting rod 38 and the inside of the adjusting groove 37, and the top end of the adjusting connecting rod 38 is connected with a fastening nut in a threaded mode.

The invention is further detailed: the top end of the fixed base 22 is fixedly connected with the bottom end of the motor protection shell 25, the bottom end of the driving connecting shaft 3 is connected with the top end of the bearing tray 27 in a sliding mode, and when the driving connecting shaft 3 rotates, the top end of the bearing tray 27 is always tightly attached to the bottom end of the second driving shaft 24.

The invention is further detailed: the second rotating wheel 33 is rotatably installed at the bottom end of the grinding wheel frame 32, the mechanical crank arm 34 is arranged between the first rotating wheel 31 and the grinding wheel frame 32, the first rotating wheel 31, the second rotating wheel 33 and the third rotating wheel 35 are located on the same horizontal plane, and the widths of the rotating belt sliding grooves formed among the first rotating wheel 31, the second rotating wheel 33 and the third rotating wheel 35 are the same.

The invention is further detailed: the third rotating wheel 35 is fixed through a rotating bolt, the sliding shaft side wall of the third rotating wheel 35 and the shaft-driven sliding chute side wall formed by the mechanical crank arm 34 are always tightly abutted, a fastening disc 39 is arranged at the rotating connection position of the grinding disc frame 32 and the second rotating wheel 33, the inner side wall of the fastening disc 39 and the shaft end side wall of the second rotating wheel 33 are rotatably connected, and the fastening disc 39 limits the shaft end of the second rotating wheel 33.

The invention is further detailed: the limiting block 41 is disposed on the sidewall of the connecting column 4 between the grinding block 42 and the second rotating wheel 33, and the limiting block 41 limits the protruding end of the nylon cloth 43.

The first advantageous point of the present invention is explained by the following:

the grinding machine is integrally designed in a rotary grinding disc mode and used for supporting four stand column foot parts and installing four table feet 11 capable of adjusting levelness, the speed reduction motor 26 and the driving motor 2 are designed in a body mode and installed in the center of the grinding table body 1, the grinding disc frame 32 can be shortened in structure in the device manufacturing process, and therefore space is saved and the placement size of the driving motor 2 and the speed reduction motor 26 is reduced.

From what is described herein, it can be seen that: according to the invention, the driving motor 2 and the first driving shaft 21 are arranged, and the design length of the grinding disc frame 32 is reduced, so that the manufacturing cost of the whole device of the grinding machine is reduced while normal mirror surface grinding is carried out, and mechanized grinding operation of the mirror plate surface is realized.

The second advantageous point of the present invention is explained by the following

The speed reducing motor 26 in the device adopts a balance wheel pin type speed reducer, the balance wheel pin type speed reducer is small in size, light in weight and compact in structure, the transmission efficiency can reach 0.9-0.97, the operation is stable, the service life is long, in addition, the driving motor 2 adopts a 1.5 kilowatt three-phase asynchronous motor, the mechanical crank arm 34 is installed on the central shaft of the grinding disc frame 32 and transmits power by using a belt, the connection mode of the second rotating wheel 33 and the grinding block 42 adopts an eccentric shaft design, so that the grinding block 42 moves in a Z-shaped track, the grinding surface is enlarged, meanwhile, the grinding block 42 presses the surface of the mirror plate by means of the self weight, and after the mirror plate is fixed, the mechanical crank arm 34 rotates axially along the mirror surface under the transmission of the driving motor 2.

From what is described herein, it can be seen that: according to the invention, through the matching effect among the driving motor 2, the grinding wheel frame 32, the mechanical crank arm 34, the rotating belt 36 and the grinding block 42, the transmission efficiency is improved and the service life of the device is prolonged through the arrangement of the balance wheel needle type speed reducing motor 26, and further, the grinding surface is increased through the arrangement of the eccentric shaft between the second rotating wheel 33 and the grinding block 42, and the grain regularity of the mirror plate surface during grinding is ensured, so that the effect of uniform grinding is achieved.

The method comprises the following specific operation steps:

referring to fig. 1, before the work starts, the mirror plate is placed on a firm grinding table body 1 with the mirror plate surface facing upwards and stably, the mirror plate is cleaned by clean and dry white cloth, oil stain is cleaned by dipping fine silk cloth in alcohol, then a grinding block 42 wrapped with nylon cloth 43 is placed on the mirror plate mirror surface, and grinding solution is uniformly coated on the grinding block 42 and the nylon cloth 43;

referring to fig. 3, at this time, the driving motor 2 is started, the connecting shaft 3 is driven to start rotating by the driving motor 2, at this time, the first rotating wheel 31 synchronously rotates, the second rotating wheel 33 and the third rotating wheel 35 which are in transmission connection with the first rotating wheel 31 and the second rotating wheel 33 start rotating, as the widths of the rotating belt chutes arranged among the first rotating wheel 31, the second rotating wheel 33 and the third rotating wheel 35 are the same, the rotating belt 36 can guarantee smooth operation during transmission driving, the phenomenon of jamming does not occur, at this time, the grinding block 42 arranged by the eccentric shaft starts to grind on the mirror plate by a Z-shaped path, the speed of the grinding block is controlled to be 6-7 revolutions per minute, and the mirror plate surface is ground by the grinding solution;

after the mirror plate is mechanically ground, grinding solution is changed from green to black, which shows that the roughness of the mirror plate is obviously changed by metal particles of the ground mirror plate, in the grinding process, the grinding solution is added every 10 min-15 min, the used waste grinding solution is discharged into a solution collecting box through drain holes at the periphery of the grinding machine, the grinding period of the whole mirror plate is controlled to be about 10 days-15 days, after the grinding work is finished, the mirror plate is wiped clean by absolute ethyl alcohol, the mirror surface is coated with lubricating oil or clean lard oil, and is covered with clean white cloth or silk cloth and wool felt, and the mirror plate is properly placed and stored.

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.