CN117245510A - Polishing and grinding device for nodular cast iron well lid production - Google Patents

Abstract

The invention discloses a polishing and grinding device for nodular cast iron well lid production, which comprises a supporting table and a driving clamping structure, wherein the upper surface of the supporting table is rotatably provided with a lower grinding disc, a well lid blank is placed at the top of the lower grinding disc, an upper grinding disc is arranged above the well lid blank, and the driving clamping structure is arranged between the well lid blank and the supporting table; according to the invention, the driving clamping structure, the well lid blank and the side polishing members are combined, so that when the upper surface and the lower surface of the well lid blank are polished, the three clamping claws simultaneously clamp and fix the circumferential surface of the well lid blank, the well lid blank processing stability is ensured, the lateral deviation shaking condition can not occur, the well lid blank surface processing quality is improved, and when the circumferential surface of the well lid blank is polished, the clamping claws are separated from the well lid blank, the well lid blank clamped between the two grinding discs rotates, so that the polishing roller polishes the surface of the well lid blank, and the well lid blank surface processing quality is improved.

Description

Polishing and grinding device for nodular cast iron well lid production

Technical Field

The invention belongs to the technical field of well lid polishing and grinding devices, and particularly relates to a polishing and grinding device for nodular cast iron well lid production.

Background

The nodular cast iron well lid is one kind of nodular cast iron product, and nodular cast iron is spheroidized and inoculated to obtain spheroidal graphite, so that the mechanical performance of cast iron is effectively raised, and the plasticity and toughness are raised to obtain strength higher than that of carbon steel. The polishing device for producing the nodular cast iron well lid, such as the polishing device for producing the nodular cast iron well lid with the publication number CN113547416B, is used for processing the surface of the nodular cast iron well lid blank after the nodular cast iron well lid blank is produced, and improves the mechanical property of the nodular cast iron well lid, the polishing mechanism for polishing the well lid body is arranged on the two sides of the substrate, so that the two sides of the well lid body are polished conveniently and simultaneously, the polishing efficiency of the well lid body is further improved, the setting of the limiting mechanism is realized, the first circular ring drives the limiting mechanism under the driving of the rotating plate, the limiting mechanism slides in and slides out in the first channel, the well lid body is positioned and released, the well lid body positioned on the upper side of the limiting plate is positioned more conveniently, and the polishing quality of the well lid body is further improved,

well lid blank is placed in great first channel among the above-mentioned device, and the periphery lacks corresponding supporting measure for probably because the frictional force that produces of polishing appears the lateral deviation in the process of polishing, and circular well lid periphery lacks clamping device in the upper and lower surface polishing process simultaneously, appears rocking the problem that influences surface polishing quality, and we propose a spheroidal graphite cast iron well lid production with throwing and grinding device for this reason.

Disclosure of Invention

The invention aims to provide a polishing and grinding device for nodular cast iron well lid production, which aims to solve the problem that the circumferential surface of a well lid blank provided in the background art lacks corresponding supporting and clamping measures, so that shaking occurs in the polishing process.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a nodular cast iron well lid production is with throwing mill device, includes brace table and drive clamping structure, the brace table upper surface rotates and is provided with down the mill, well lid blank has been placed at the mill top down, well lid blank top is provided with the mill, drive clamping structure installs between well lid blank and brace table, drive clamping structure is including the end rotating member that the level is located the brace table below, the brace table upper surface is provided with the side clamping member that three circumference is located well lid blank outside, the brace table lower surface is provided with the stabilizer blade, the level is provided with the firm board that is located end rotating member below between the stabilizer blade, firm board top is provided with down the fixed plate, be provided with a plurality of connecting plates between fixed plate and the end rotating member down, fixed plate lower surface is fixed with the axis of rotation that runs through the firm board, the axis of rotation lower extreme is provided with its pivoted drive member of drive.

Preferably, the bottom rotating member comprises an inner gear ring, three inner gears meshed with teeth on the inner surface of the inner gear ring are arranged inside the inner gear ring, a mounting shaft is embedded inside the inner gears, and the upper end of the mounting shaft is connected with the side clamping member.

Preferably, the side clamping member comprises a worm with the lower end rotating to penetrate through the supporting table and connected with the upper end of the mounting shaft, a worm wheel is arranged on the outer side of the worm in a meshed mode, a screw is arranged in the worm wheel in a perpendicular mode and embedded into the worm wheel, and the outer end of the screw is connected with a supporting seat arranged on the upper surface of the supporting table in a rotating mode.

Preferably, the screw inner end is screwed and sleeved with a nut block, the upper surface of the nut block is provided with an L-shaped upper mounting plate, the inner surface of the upper mounting plate inner end is provided with a clamping claw for clamping and supporting a well cover blank, the surface of the supporting table is provided with a sliding groove, and the lower surface of the nut block is provided with a limiting sliding plate extending into the sliding groove.

Preferably, the driving member comprises a driving motor, an output shaft is arranged at the upper end of the driving motor, a frame is arranged at the bottom of the driving motor, a driven sprocket is sleeved at the lower end of the rotating shaft, and a transmission chain is arranged between the driven sprocket and the driving sprocket.

Preferably, the rear side of the driving member is provided with a tensioning member, the tensioning member comprises a bottom rail horizontally fixed on the ground, a sliding sleeve is sleeved on the bottom rail in a sliding manner, and an upright post is vertically arranged on the upper surface of the sliding sleeve.

Preferably, the upper end of the upright post is rotatably provided with a tensioning chain wheel meshed with the transmission chain, and both sides of the sliding sleeve are rotatably provided with limit bolts with the inner ends in contact with the side surfaces of the bottom rail.

Preferably, the supporting bench upper surface is provided with the side and grinds the component in the well lid blank outside, the side grinds the component including fixing the collecting box at the supporting bench upper surface, the filter screen has been seted up to the collecting box surface, the collecting box upper surface is provided with the actuating cylinder, and is provided with firm seat between the two, the inside piston rod inner vertical being provided with of setting of actuating cylinder grinds the roller, it is provided with the layer of polishing to grind the roller inner circumference.

Preferably, the upper surface of the collecting box is provided with an air pump positioned at the inner side of the driving cylinder, a T-shaped extending stand is fixedly sleeved at the inner end of the piston rod, an air suction head is vertically arranged on the surface of the extending stand, and a connecting pipe is arranged between the air suction head and the air pump.

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

(1) According to the invention, the driving clamping structure, the well lid blank and the side polishing members are combined, so that when the upper surface and the lower surface of the well lid blank are polished, the three clamping claws simultaneously clamp and fix the circumferential surface of the well lid blank, the well lid blank processing stability is ensured, the lateral deviation shaking condition can not occur, the well lid blank surface processing quality is improved, and when the circumferential surface of the well lid blank is polished, the clamping claws are separated from the well lid blank, the well lid blank clamped between the two grinding discs rotates, so that the polishing roller polishes the surface of the well lid blank, and the well lid blank surface processing quality is improved.

(2) According to the invention, the tensioning member is designed, so that the transmission chain can be tensioned in the transmission process, the driving condition of the bottom rotating member is prevented from being influenced by loosening and separating from the chain wheel, the transmission stability and the safety of the transmission chain on the bottom rotating member are improved, and the continuous work of the bottom rotating member is ensured.

(3) According to the invention, the side grinding members can be designed to enable the grinding disc to clamp and fix the well lid blank after the upper and lower surfaces of the well lid blank are polished, the polishing layer is used for polishing the circumferential surface of the well lid blank, and meanwhile, scraps generated in the polishing process can be collected and treated, so that the convenience in processing the well lid blank is improved.

Drawings

FIG. 1 is a schematic structural view of a spheroidal graphite cast iron well lid polishing device of the invention;

FIG. 2 is an exploded view of the drive clamp structure of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the structure of the rotating member of the midsole of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic view of the side gripping member of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic view of the driving member of FIG. 2 according to the present invention;

FIG. 6 is a schematic right-hand structural view of the tension member of FIG. 2 in accordance with the present invention;

FIG. 7 is a schematic view of the side grinding member of FIG. 2 according to the present invention;

in the figure: 1. a support table; 11. a support leg; 2. driving the clamping structure; 21. a bottom rotating member; 211. an inner gear ring; 212. an internal gear; 213. a mounting shaft; 22. a side clamping member; 221. a worm; 222. a worm wheel; 223. a screw; 224. a support base; 225. a nut block; 2251. a limit sliding plate; 226. an upper mounting plate; 227. clamping claws; 23. a lower fixing plate; 24. a connecting plate; 25. a stabilizing plate; 26. a driving member; 261. a driving motor; 262. a frame; 263. a drive sprocket; 264. a driven sprocket; 265. a drive chain; 27. a tensioning member; 271. a bottom rail; 272. a column; 273. a sliding sleeve; 274. a limit bolt; 275. tensioning the chain wheel; 3. a well cover blank; 4. an upper millstone; 5. a lower grinding disc; 6. a side grinding member; 61. a collection box; 62. a drive cylinder; 63. a grinding roller; 631. polishing the layer; 64. an air pump; 65. an extension stand; 66. an air suction head; 67. and (5) connecting pipes.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-5, the present invention provides a technical solution: the polishing device for nodular cast iron well lid production comprises a supporting table 1 and a driving clamping structure 2, wherein the upper surface of the supporting table 1 is rotationally provided with a lower grinding disc 5, the lower grinding disc 5 is connected with an external driving device and can rotate along with the work of the external driving device, a well lid blank 3 is placed at the top of the lower grinding disc 5, an upper grinding disc 4 is arranged above the well lid blank 3, the upper end of the upper grinding disc 4 is connected with the external driving device and can drive the upper grinding disc 4 and the lower grinding disc 5 to simultaneously rotate to polish the upper surface and the lower surface of the well lid blank 3, the driving clamping structure 2 is arranged between the well lid blank 3 and the supporting table 1, the driving clamping structure 2 can simultaneously clamp and fix the circumferential surface of the well lid blank 3 when the upper surface and the lower surface of the well lid blank 3 are polished, the processing stability of the well lid blank 3 is ensured, the surface processing quality of the well lid blank 3 is improved, while the circumferential surface of the well cover blank 3 is polished, the clamping claw 227 is separated from the well cover blank 3, the well cover blank 3 clamped between the two grinding discs rotates, the polishing roller 63 polishes the surface of the well cover blank 3, the surface processing quality of the well cover blank 3 is improved, the driving clamping structure 2 comprises a bottom rotating member 21 horizontally positioned below the supporting table 1, the upper surface of the supporting table 1 is provided with three side clamping members 22 circumferentially positioned outside the well cover blank 3, the lower surface of the supporting table 1 is provided with supporting legs 11, the supporting legs 11 can play a supporting role on the bottom of the supporting table 1, a stabilizing plate 25 positioned below the bottom rotating member 21 is horizontally arranged between the supporting legs 11, a lower fixing plate 23 is arranged above the stabilizing plate 25, a plurality of connecting plates 24 are arranged between the lower fixing plate 23 and the bottom rotating member 21, the inner gear ring 211 is convenient to rotate along with the lower fixing plate 23 and the rotating shaft by using the connecting plates 24, the lower surface of the lower fixing plate 23 is fixed with a rotating shaft which rotates to penetrate through the stabilizing plate 25, the stabilizing plate 25 can play a supporting role on the rotating shaft, a driving member 26 for driving the stabilizing plate to rotate is arranged at the lower end of the rotating shaft, and the driving member 26 can drive the rotating shaft to rotate.

In this embodiment, preferably, the bottom rotating member 21 includes an annular gear 211, the bottom rotating member 21 can simultaneously rotate three inner gears 212, so that three side clamping members 22 can simultaneously work, inner clamping claws 227 simultaneously clamp and fix the manhole cover blank 3, the space between the three clamping claws 227 is adjustable, three inner gears 212 meshed with teeth on the inner surface of the annular gear 211 are arranged inside the annular gear 211, a mounting shaft 213 is embedded inside the inner gears 212, the upper end of the mounting shaft 213 is connected with the side clamping members 22, and the mounting shaft 213 can support the inner gears 212.

In this embodiment, preferably, the side clamping member 22 includes a worm 221 with a lower end rotating through the supporting table 1 and connected with an upper end of the mounting shaft 213, a bearing is embedded and mounted between the worm 221 and the supporting table 1, so that the worm 221 can rotate and simultaneously support the mounting shaft 213, the side clamping member 22 can clamp and fix the well lid blank 3 at the same time, stability of the well lid blank 3 when polished is ensured, a worm wheel 222 is meshed and mounted on the outer side of the worm 221, a screw 223 is vertically and embedded and mounted in the worm wheel 222, the screw 223 can rotate along with the worm wheel 222, the outer end of the screw 223 is rotatably connected with a supporting seat 224 arranged on the upper surface of the supporting table 1, a bearing is embedded and provided between the screw 223, so that the screw 223 can rotate conveniently, the screw 223 inner spin cover is equipped with nut piece 225, nut piece 225 can rotate along with screw 223 and remove, nut piece 225 upper surface is provided with the last mounting panel 226 of L type, the inner surface is provided with the gripper jaw 227 to the centre gripping support of well lid blank 3 in the last mounting panel 226, three gripper jaw 227 multiplicable is to well lid blank 3 centre gripping steadiness, the inside clamping space of three gripper jaw 227 can be adjusted according to the size of well lid blank 3 simultaneously, increase the adaptation size of well lid blank 3, the spout has been seted up to supporting bench 1 surface, nut piece 225 lower surface is provided with the spacing slide 2251 that stretches into in the spout, both sliding fit can not appear rotating when nut piece 225 removes.

In this embodiment, preferably, the driving member 26 includes a driving motor 261, the driving member 26 can realize in-situ rotation of the rotation shaft, so that the bottom rotating member 21 rotates to drive the three side clamping members 22 to work simultaneously to clamp and fix the well cover blank 3, an output shaft is arranged at the upper end of the driving motor 261, a driving sprocket 263 is sleeved at the upper end of the output shaft, the driving sprocket 263 can rotate simultaneously along with the output shaft, a frame 262 is arranged at the bottom of the driving motor 261, the frame 262 can support the driving motor 261, the working strength and stability of the driving motor 261 are improved, a driven sprocket 264 is sleeved at the lower end of the rotation shaft, a transmission chain 265 is arranged between the driven sprocket 264 and the driving sprocket 263, and two sprockets can rotate simultaneously conveniently.

In summary, when in use, the well lid blank 3 can be placed between the upper surface of the lower grinding disc 5 and the upper grinding disc 4, the driving motor 261 works to drive the output shaft and the driving sprocket 263 thereon to rotate, the driven sprocket 264 is driven by the driving chain 265 to rotate, the rotating shaft drives the lower fixing plate 23 and the inner gear ring 211 to rotate along with the rotation of the driven sprocket 264, the plurality of inner gears 212 meshed with the inner gear ring 211 simultaneously rotate, the mounting shaft 213 and the worm 221 are driven to rotate in situ, the worm wheel 222 meshed with the worm 221 rotates, the screw 223 rotates along with the worm wheel 222, the nut block 225 moves along the screw 223 along with the rotation of the screw 223 to the well lid blank 3, the upper mounting plate 226 and the clamping claw 227 are driven to move towards the well lid blank 3 until the three clamping claws 227 simultaneously support and fix the well lid blank 3, the upper grinding disc 4 and the lower grinding disc 5 are driven by an external driving device to rotate simultaneously, the upper grinding disc 4 and the lower grinding disc 5 which rotate respectively polish the upper surface and the lower surface of the well lid blank 3, the surface processing quality of the well lid blank 3 is improved, after the upper surface and the lower surface of the well lid blank 3 are processed, the driving motor 261 is reversed, the lower fixing plate 23, the annular gear 211 and the worm 221 are driven to rotate reversely, the nut block 225 and the upper mounting plate 226 move outwards, the clamping claw 227 is separated from the well lid blank 3, the well lid blank 3 is not clamped and fixed by the clamping claw 227, the well lid blank 3 can rotate along with the rotation of the upper grinding disc 4 and the lower grinding disc 5, at the moment, the driving cylinder 62 works, the inner piston rod drives the polishing roller 63 to move close to the circumferential surface of the well lid blank 3 until the polishing layer 631 contacts the circumferential surface of the well lid blank 3, the generated pressure difference sucks and sends the scraps generated by polishing into the collecting box 61, the scraps are retained in the collecting box 61, and the gas is discharged through the filter screen, the fragments produced in the polishing process are reduced, the comprehensive polishing and grinding processing of the well lid blank 3 can be realized in the whole process, meanwhile, the polishing and grinding processing stability of the well lid blank 3 is improved, the condition that the processing quality is influenced due to the lateral deviation of friction force is avoided, meanwhile, the clamping space between the clamping claws 227 can be adapted to the round well lid blank 3 with different diameter sizes, and the processing quality of the well lid blank 3 is improved.

Example 2

Referring to fig. 6, a second embodiment of the present invention is shown, which differs from the previous embodiment.

In this embodiment, preferably, the rear side of the driving member 26 is provided with the tensioning member 27, the tensioning member 27 can tension the transmission chain 265, the transmission chain 265 is in a proper tensioning degree, the transmission chain 265 is convenient to drive the two sprockets to rotate, the tensioning member 27 comprises a bottom rail 271 horizontally fixed on the ground, the bottom rail 271 is fixed on the ground through bolts, the section of the bottom rail 271 is in a T shape, a sliding sleeve 273 is sleeved on the bottom rail 271 in a sliding manner, the sliding sleeve 273 can move along the bottom rail 271, so as to drive the stand column 272 and the tensioning sprocket 275 to move, the tensioning sprocket 275 is matched with the transmission chain 265, a stand column 272 is vertically arranged on the upper surface of the sliding sleeve 273, the stand column 272 can support the tensioning sprocket 275, a bearing is embedded between the tensioning sprocket 275 and the stand column 272, the transmission chain 265 is convenient to move by the tensioning sprocket 275, limit bolts 274 are rotatably mounted on two sides of the tensioning sprocket 275, the inner ends are in contact with the side surfaces of the bottom rail 271, and the position of the sliding sleeve 273 can be limited and fixed by using friction resistance of the limit bolts 274 and the side surfaces of the bottom rail 271.

In sum, when using, when bottom rail 271 is fixed on ground, when the tensioning degree of drive chain 265 needs to be adjusted, can let stand 272 and sliding sleeve 273 remove along bottom rail 271, drive tensioning sprocket 275 and remove, tensioning sprocket 275 moves forward from drive chain 265 outside, let the crooked tensioning of drive chain 265 chain, wait when drive chain 265 tensioning length is suitable, rotate stop bolt 274 makes its inner and bottom rail 271 surface contact, can be fixed with the spacing of stand 272 position to sliding sleeve 273 by the frictional resistance of contact, guarantee the tensioning position of drive chain 265 of tensioning sprocket 275, avoid drive chain 265 to become flexible and the circumstances that the sprocket breaks away from, guarantee both transmission connection security and stability.

Example 3

Referring to fig. 7, a third embodiment of the present invention is shown, which differs from the above two embodiments.

In this embodiment, preferably, the supporting bench 1 upper surface is provided with the side grinding component 6 that is located the well lid blank 3 outside, side grinding component 6 can let the mill carry out the polishing to well lid blank 3 centre gripping fixedly after the polishing processing of well lid blank 3 upper and lower surface, and the layer 631 of polishing carries out the polishing processing to well lid blank 3 circumference surface, can collect the piece that produces in the polishing processing course simultaneously and handle, side grinding component 6 is including fixing the collecting box 61 at supporting bench 1 upper surface, the filter screen has been seted up on collecting box 61 surface, both can filter the piece in the gas, the gas discharge that does not influence the suction again, collecting box 61 upper surface is provided with actuating cylinder 62, and be provided with firm seat between the two, can play the firm effect of supporting to actuating cylinder 62, actuating cylinder 62 inside the vertical be provided with the grinding roller 63 of piston rod inner that sets up, the inner circumference of grinding roller 63 is provided with the layer 631, the layer 631 is the grinding layer, can carry out the polishing processing to well lid blank 3 circumference, collecting box 61 upper surface is provided with the air pump 64 that is located actuating cylinder 62 inboard, be provided with the conveying pipe between air pump 64 and the collecting box 61, can be close to the vertical extension head 67 of the interior end of suction head, can be provided with the suction head 66 along with the suction head, the suction head is close to the circumference of the vertical extension of the well lid blank is provided with the suction head is 66, the suction head is convenient for the extension of the suction head is provided with the suction head 66 along with the surface of the suction cup 67, the surface is convenient for the suction head is set up along with the suction cup 67 along with the surface of the suction cup 67, and is convenient to be used in the suction cup is used in the suction cup's a' is convenient to be used in the suction cut.

In sum, when in use, the piston rod inside the driving cylinder 62 is extended to drive the polishing roller 63 to move until the polishing layer 631 contacts the circumferential surface of the well lid blank 3, the polishing layer 631 polishes the circumferential surface of the well lid blank 3 along with the rotation of the well lid blank 3, the air pump 64 is operated along with the polishing, the pressure difference generated by the air pump 64 enables the scraps to be sucked into the suction head 66 and fed into the collecting box 61, the air is discharged through the filter screen, the scraps are left in the collecting box 61, and the scraps generated by polishing can be collected and cleaned while the well lid blank 3 is polished, so that the polishing safety of the well lid blank 3 is improved.

Example 4

This example was obtained by combining example 1, example 2 and example 3.

When the well lid blank 3 is used, the driving member 26 drives the rotating shaft, the lower fixing plate 23 and the bottom rotating member 21 to rotate, the bottom rotating member 21 drives the side clamping members 22 to work, the side clamping members 22 can enable the three clamping claws 227 to clamp and fix the circumferential surface of the well lid blank 3 simultaneously, the upper grinding disc 4 and the lower grinding disc 5 polish and grind the upper surface and the lower surface of the well lid blank 3, after the well lid blank 3 is processed, the clamping claws 227 are removed, the well lid blank 3 rotates along with the upper grinding disc 4 and the lower grinding disc 5, the polishing layer 631 polishes the circumferential surface of the well lid blank 3, and meanwhile, the air pump 64 and the collecting box 61 collect and process scraps generated by polishing, so that the polishing stability and the safety of the well lid blank 3 are improved.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a nodular cast iron well lid production is with throwing mill device, includes brace table (1) and drive clamping structure (2), brace table (1) upper surface rotates and is provided with down mill (5), well lid blank (3) have been placed at mill (5) top down, well lid blank (3) top is provided with mill (4), its characterized in that: the utility model provides a well lid blank, including well lid blank (3) and brace table (1), drive clamp structure (2) are installed between well lid blank (3) and brace table (1), drive clamp structure (2) are including the end rotation component (21) that the level is located brace table (1) below, brace table (1) upper surface is provided with side clamp component (22) that three circumference is located well lid blank (3) outside, brace table (1) lower surface is provided with stabilizer blade (11), the level is provided with stabilizer blade (25) that are located end rotation component (21) below between stabilizer blade (11), stabilizer blade (25) top is provided with down fixed plate (23), be provided with a plurality of connecting plates (24) between lower fixed plate (23) and end rotation component (21), fixed surface is fixed with the axis of rotation that runs through stabilizer blade (25) down, the axis of rotation lower extreme is provided with drive its pivoted drive component (26).

2. The polishing and grinding device for producing nodular cast iron well covers according to claim 1, wherein: the bottom rotating member (21) comprises an inner gear ring (211), three inner gears (212) meshed with teeth on the inner surface of the inner gear ring (211) are arranged inside the inner gear ring (211), a mounting shaft (213) is embedded inside the inner gears (212), and the upper end of the mounting shaft (213) is connected with the side clamping member (22).

3. The polishing and grinding device for producing nodular cast iron well covers according to claim 2, wherein: the side clamping component (22) comprises a worm (221) with the lower end rotating to penetrate through the supporting table (1) and connected with the upper end of the mounting shaft (213), a worm wheel (222) is mounted on the outer side of the worm (221) in a meshed mode, a screw (223) is mounted inside the worm wheel (222) in a perpendicular mode in an embedded mode, and the outer end of the screw (223) is connected with a supporting seat (224) arranged on the upper surface of the supporting table (1) in a rotating mode.

4. The polishing and grinding device for producing nodular cast iron well covers according to claim 3, wherein: the inner end of the screw rod (223) is rotatably sleeved with a nut block (225), an L-shaped upper mounting plate (226) is arranged on the upper surface of the nut block (225), a clamping claw (227) for clamping and supporting a well cover blank (3) is arranged on the inner end inner surface of the upper mounting plate (226), a sliding groove is formed in the surface of the supporting table (1), and a limiting sliding plate (2251) extending into the sliding groove is arranged on the lower surface of the nut block (225).

5. The polishing and grinding device for producing nodular cast iron well covers according to claim 1, wherein: the driving member (26) comprises a driving motor (261), an output shaft is arranged at the upper end of the driving motor (261), a frame (262) is arranged at the bottom of the driving motor (261), a driven sprocket (264) is sleeved at the lower end of the rotating shaft, and a transmission chain (265) is arranged between the driven sprocket (264) and the driving sprocket (263).

6. The polishing and grinding device for producing nodular cast iron well covers according to claim 5, wherein: the rear side of the driving member (26) is provided with a tensioning member (27), the tensioning member (27) comprises a bottom rail (271) horizontally fixed on the ground, a sliding sleeve (273) is sleeved on the bottom rail (271) in a sliding mode, and an upright post (272) is vertically arranged on the upper surface of the sliding sleeve (273).

7. The polishing and grinding device for producing nodular cast iron well covers according to claim 6, wherein: the upper end of the upright post (272) is rotatably provided with a tensioning chain wheel (275) meshed with a transmission chain (265), and both sides of the sliding sleeve (273) are rotatably provided with limit bolts (274) with the inner ends in contact with the side surfaces of the bottom rail (271).

8. The polishing and grinding device for producing nodular cast iron well covers according to claim 1, wherein: the utility model discloses a well lid blank, including supporting bench (1), supporting bench (1) upper surface is provided with side mill component (6) that are located the well lid blank (3) outside, side mill component (6) are including fixing collecting box (61) at supporting bench (1) upper surface, the filter screen has been seted up on collecting box (61) surface, collecting box (61) upper surface is provided with actuating cylinder (62), and is provided with firm seat between the two, actuating cylinder (62) inside piston rod inner vertical being provided with of setting polish roller (63), polish roller (63) inner circumference is provided with layer (631) of polishing.

9. The polishing and grinding device for producing nodular cast iron well covers according to claim 8, wherein: the collecting box (61) upper surface is provided with air pump (64) that are located the inboard of actuating cylinder (62), the fixed cover in piston rod inner is equipped with extension grudging post (65) of T type, extension grudging post (65) surface is provided with perpendicularly and inhales air head (66), be provided with connecting pipe (67) between air head (66) and air pump (64).