CN114571348B

CN114571348B - Polishing device for machining metal round pipe

Info

Publication number: CN114571348B
Application number: CN202210362119.8A
Authority: CN
Inventors: 沈滨
Original assignee: Wuhan Donghu University
Current assignee: Wuhan Donghu University
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-12-06
Anticipated expiration: 2042-04-07
Also published as: CN114571348A

Abstract

The invention discloses a grinding and polishing device for metal round pipe machining, and particularly relates to the technical field of round pipe machining. According to the polishing device, the air cylinder, the cleaning block and the transmission belt are arranged, so that the rotary table is in a fixed state when the adjusting screw rod rotates, the rotary table is prevented from rotating along with the adjusting screw rod, the rotary table can polish and polish the inside of the metal circular tube through threads when the adjusting screw rod rotates, metal scraps are prevented from being accumulated in the metal circular tube, the polishing device can clean the metal circular tube while processing the metal circular tube, the polishing efficiency of the polishing device on the metal circular tube is guaranteed, and meanwhile, the environment-friendly effect of the polishing device is improved.

Description

Polishing device for machining metal round pipe

Technical Field

The invention relates to the technical field of circular tube machining, in particular to a polishing device for machining a metal circular tube.

Background

The pipe is the indispensable spare part in the machining manufacturing, the pipe is at first through lathe turning, there are many metal burrs on the surface of part through lathe processing, in order to avoid the burr not to influence the quality of whole part, need to get rid of the burr grinding of the pipe part internal and external surface after the lathe processing, it is got rid of to need artifical manual round trip to rub the grinding round trip under most circumstances, it is slow to rub the grinding round trip, the efficiency is low, and the quality of the part after rubbing the grinding round trip is poor, the precision is low, can not guarantee in the quality, simultaneously, because be difficult to handle its inner circle simultaneously to the metal pipe course of working, lead to present polishing grinding device technical to have the defect, and because after finishing processing, the remaining metal sweeps in its surface easily leads to the phenomenon that the deposition can appear on the platform, can receive the harm of external factor to the equipment main part seriously, reduce the life of equipment, and be difficult to carry out the centralized processing to metal impurity when handling the metal pipe, thereby restricted polishing grinding device in-use and the protective effect to the environment.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a grinding and polishing device for processing a metal round pipe, and the technical problems to be solved by the invention are that: because be difficult to handle its inner circle simultaneously in the course of working metal pipe, lead to present polishing grinding device to have a defect in the technology, and because after finishing processing, the phenomenon that the deposition can appear on the platform easily is leaded to its remaining metal sweeps in surface, can receive the harm of external factor to the equipment main part seriously, reduce the life of equipment, and be difficult to carry out the centralized processing to metallic impurity when handling metal pipe, thereby restricted polishing grinding device in-service use and the problem of environmental protection effect.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a polishing device for processing based on metal pipe, includes the processing platform, the last fixed surface of processing platform is connected with two location risers, is located the left surface of left location riser and has seted up the mounting groove, be provided with drive arrangement in the mounting groove, drive arrangement's lower surface and the last fixed surface of processing platform are connected, drive arrangement's right-hand member and the left end fixed connection of drive shaft, the outer fixed surface of drive shaft is connected with two transmission components, and all is provided with accommodate the lead screw in two transmission components, and the one end that two accommodate the lead screw were kept away from mutually passes through bearing and pivot respectively with the one end fixed connection of two cylinder opposite faces, the one end that two cylinders were kept away from mutually respectively with the opposite face fixed connection of two installing supports, the lower surface of installing support and the last fixed surface of processing platform are connected, accommodate the outer fixed surface of lead screw is connected with first fixture block, a plurality of draw-in groove has been seted up to the surface of first fixture block, and the opposite face of two location risers respectively with the mutual joint of two first sleeves, all cup jointed the rotary drum in two first sleeves, the inner wall of rotary drum is connected with the outer fixed surface of a plurality of second fixture block, the screw thread clearance subassembly, and two all the telescopic sleeves are connected with the one end that two telescopic fixing components was kept away from, and two telescopic sleeve one end that two telescopic sleeve was connected with the telescopic sleeve is connected with two telescopic sleeve one side fixed surface that the first riser respectively.

The shape of second fixture block and the shape looks adaptation of draw-in groove are seted up to first fixture block surface, and the one end of two accommodate the lead screw opposite faces respectively with the one side fixed connection that two extrusion pieces kept away from mutually, and the equal fixedly connected with expansion block of opposite face of two extrusion pieces, the outer fixed surface of extrusion piece connects a plurality of elastic component, and the one end that corresponds two elastic component opposite faces all passes the extrusion piece and is linked together with the expansion block, the expansion block sets up to plastic type expansion block, corresponds the equal fixedly connected with friction block of one end that two elastic component kept away from mutually, elastic component includes the second telescope tube, and the one end that corresponds two second telescope tube opposite faces all passes the extrusion piece and is linked together with the expansion block, and the spring has all been cup jointed to a plurality of second telescope tube's surface, the both ends of spring respectively with the outer fixed surface of extrusion piece and the outer fixed surface of friction block be connected, the other end of second telescope tube is connected with the outer fixed surface of friction block.

The processing platform is characterized in that two bellows are fixedly connected to the upper surface of the processing platform, opposite faces of the two bellows are communicated with air suction ports of the two fans respectively, lower surfaces of the two fans are fixedly connected with the upper surface of the processing platform, the fan located on the left side is in transmission connection with the left end of the driving device, the fan located on the right side is in transmission connection with the driving device through a driving shaft, the front face and the back face of each bellows are communicated with one end of each of two tee opposite faces through a connecting pipe respectively, one end of each of the two corresponding tee opposite faces is communicated with one end of each of two first guide pipes respectively, the other end of each of the two first guide pipes is communicated with one end of each of two first telescopic sleeves respectively, the lower surface of each fan is fixedly connected with the upper surface of the processing platform, one end of each of two tee pipes located on one side is communicated with one end of each of two second guide pipes respectively, the two tee pipes located on the rear side are communicated with the left end and the right end of the same connector through the second guide pipes, and the right end of the connector are communicated with the outer surface of the air inlet telescopic pipe.

As a further scheme of the invention: the bottom of the air inlet telescopic pipe is fixedly connected with the upper surface of the processing platform, the other end of the air inlet telescopic pipe is communicated with the cleaning plate, the cleaning plate is arc-shaped, a plurality of air inlet holes are formed in the front surface of the cleaning plate, two air exhaust telescopic pipes are fixedly connected to the outer surface of the cleaning plate, the bottom ends of the two air exhaust telescopic pipes are fixedly connected with the upper surface of the processing platform, and the two air exhaust telescopic pipes are respectively communicated with the air exhaust holes of the two fans through two third guide pipes.

As a further scheme of the invention: the left and right sides face of cleaning plate respectively with the one end fixed connection of two rotary device opposite faces, and the one side that two rotary device kept away from mutually is the left and right sides face of joint at the processing tank inner wall respectively, the upper surface at the processing platform is seted up to the processing tank, two supporting legs of fixed surface are connected with under the processing platform.

As a further scheme of the invention: the rotating device comprises rotating rods, one ends of opposite surfaces of the two rotating rods are fixedly connected with the left side surface and the right side surface of the cleaning plate respectively, the two rotating rods are sleeved in the two connecting cylinders respectively, and one surface, far away from the two connecting cylinders, of the two rotating rods is clamped on the left side surface and the right side surface of the inner wall of the processing tank respectively.

As a further scheme of the invention: the transmission assembly comprises a driving wheel, the inner wall of the driving wheel is fixedly connected with the outer surface of the driving shaft, a transmission belt is arranged on the outer surface of the driving wheel, the driving wheel is in transmission connection with a driven wheel through the transmission belt, the inner wall of the driven wheel is fixedly connected with the outer surface of a plurality of second clamping blocks, and two ends, far away from the driven wheel, of the driven wheel are fixedly connected with one ends of the opposite surfaces of the two rotary drums respectively.

As a further scheme of the invention: the clearance subassembly includes the carousel, the inner wall of carousel and accommodate the lead screw's surface threaded connection, the fixed surface of carousel is connected with a plurality of cleaning block, a plurality of through-hole has been seted up to the left surface of carousel, the carousel is linked together through-hole and two telescopic sleeves, the one side that two carousels kept away from mutually respectively with the one end fixed connection of four telescopic sleeve opposite faces.

The invention has the beneficial effects that:

1. according to the environment-friendly metal pipe polishing device, the air cylinder, the extrusion blocks, the expansion blocks, the rotary disc, the cleaning block and the transmission belt are arranged, the air cylinder pushes the two extrusion blocks to move oppositely in the operation process, when the two extrusion blocks are in a mutually-jointed state, the air cylinder can extrude gas in the expansion blocks into the first telescopic sleeve, so that the first telescopic sleeve drives the friction block to move outwards along with the rise of pressure, and when the friction block and the interior of the metal pipe are in a fixedly-jointed state, the first clamping block can be clamped on the surface of the second clamping block through a clamping groove in the surface of the first clamping block, at the moment, the air cylinder is closed, the driving device is started, when the driving device operates, the driving device can drive the adjusting screw rod to rotate through the driving shaft and the transmission assembly, and the rotary disc on the surface of the adjusting screw rod can move into the metal pipe under the action of the surface threads of the adjusting screw rod, so that when the adjusting screw rod rotates, the rotary disc can be in a fixed state, the rotary disc is prevented from rotating together with the adjusting screw rod, the rotary disc can polish the interior of the metal pipe through the cleaning block, and the dust can be removed from the polishing device, and the metal pipe polishing device, the metal pipe polishing device can be prevented from being accumulated in the polishing device from being polished when the metal pipe polishing device, and the metal pipe polishing device can be prevented from being polished;

2. according to the polishing device, the fans, the second guide pipe, the third guide pipe, the air inlet telescopic pipe and the air outlet telescopic pipe are arranged, the two fans can synchronously operate along with the operation of the driving device, and partial air discharged by the fans can be injected into the two air outlet telescopic pipes through the third guide pipe when the fans operate, so that the air outlet telescopic pipes extrude the cleaning plate to turn over, the cleaning plate is contacted with the metal round pipe rotating at a high speed, the surface of the metal round pipe is polished and polished;

3. according to the polishing device, the bearing and the rotating shaft are arranged, when the first clamping block and the second clamping block are in a clamping connection state, the driving device can drive the adjusting screw rod to rotate through the driving wheel, the driven wheel and the transmission belt, and under the action of the bearing and the rotating shaft, the air cylinder can be effectively prevented from rotating along with the adjusting screw rod, the stability of the screw rod during rotation is guaranteed, meanwhile, the situation that the air cylinder rotates along with the adjusting screw rod to break is avoided, and the stability of the polishing device during operation is guaranteed.

Drawings

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

FIG. 2 is a schematic three-dimensional structure of the processing platform of the present invention;

FIG. 3 is a schematic three-dimensional structure of a positioning riser according to the present invention;

FIG. 4 is a perspective view of the cleaning plate of the present invention;

FIG. 5 is a schematic three-dimensional structure of an extrusion block according to the present invention;

FIG. 6 is a schematic perspective view of an adjusting screw according to the present invention;

in the figure: 1 processing platform, 2 positioning vertical plate, 3 driving device, 4 driving shaft, 5 transmission assembly, 51 driving wheel, 52 driving belt, 53 driven wheel, 6 adjusting screw rod, 7 air cylinder, 8 mounting bracket, 9 first fixture block, 10 second fixture block, 11 rotary drum, 12 sleeve, 13 cleaning assembly, 131 rotary disc, 132 cleaning block, 14 first telescopic sleeve, 15 extrusion block, 16 elastic assembly, 161 second telescopic sleeve, 162 spring, 17 friction block, 18 expansion block, 19 bellows, 20 fan, 21 tee joint, 22 first conduit, 23 second conduit, 24 connector, 25 air inlet telescopic pipe, 26 cleaning plate, 27 air outlet telescopic pipe, 28 third conduit, 29 rotating device, 291 rotary rod, 292 connecting cylinder, 30 air inlet, 31 processing groove, 32 mounting groove, 33 supporting leg.

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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in figures 1-6, the invention provides a polishing device for metal round tube processing, which comprises a processing platform 1, wherein two positioning vertical plates 2 are fixedly connected to the upper surface of the processing platform 1, a mounting groove 32 is formed in the left side surface of the positioning vertical plate 2 positioned on the left side, a driving device 3 is arranged in the mounting groove 32, the lower surface of the driving device 3 is fixedly connected with the upper surface of the processing platform 1, the right end of the driving device 3 is fixedly connected with the left end of a driving shaft 4, two transmission assemblies 5 are fixedly connected to the outer surface of the driving shaft 4, adjusting screws 6 are arranged in the two transmission assemblies 5, the far ends of the two adjusting screws 6 are respectively fixedly connected with the opposite ends of two cylinders 7 through bearings and rotating shafts, the far ends of the two cylinders 7 are respectively fixedly connected with the opposite surfaces of two mounting brackets 8, the lower surfaces of the mounting brackets 8 are fixedly connected with the upper surface of the processing platform 1, first clamping blocks 9 are fixedly connected to the outer surface of the adjusting screws 6, a plurality of clamping grooves are formed in the outer surface of the first clamping grooves 9, the two positioning vertical plates 2 are respectively connected with two telescopic sleeves 12, and a plurality of telescopic rotating cylinder cleaning rotary drums 13 are respectively connected with the two telescopic sleeves 14, make accommodate the lead screw 6 when rotating, carousel 131 then can be in fixed state, avoid carousel 131 along with accommodate the lead screw 6 together rotatory, ensured accommodate the lead screw 6 when rotating carousel 131 can polish the processing of polishing through the screw thread to the metal circle inside, simultaneously, fan 20 then can extract dust and impurity that clean piece 132 polishing was polished down through first pipe 22, avoid the metal sweeps to pile up inside the metal circle.

As shown in fig. 1, 2, 3 and 5, the shape of the second fixture block 10 is adapted to the shape of the first fixture block 9, the opposite surfaces of the two adjusting screw rods 6 are fixedly connected to the surfaces of the two pressing blocks 15, the opposite surfaces of the two pressing blocks 15 are fixedly connected to the expansion blocks 18, the outer surfaces of the pressing blocks 15 are fixedly connected to a plurality of elastic assemblies 16, the ends corresponding to the opposite surfaces of the two elastic assemblies 16 penetrate through the pressing blocks 15 and are communicated with the expansion blocks 18, the expansion blocks 18 are plastic expansion blocks, the ends corresponding to the opposite surfaces of the two elastic assemblies 16 are fixedly connected to the friction blocks 17, the elastic assemblies 16 include second telescopic sleeves 161, the ends corresponding to the opposite surfaces of the two second telescopic sleeves 161 penetrate through the pressing blocks 15 and are communicated with the expansion blocks 18, the outer surfaces of the second telescopic sleeves 161 are sleeved with springs 162, because of being provided with fan 20 and bellows 19, make this burnishing device clear up metal pipe when handling it, guaranteed this burnishing device efficiency of polishing to metal pipe, and simultaneously, this burnishing device's environmental protection effect has been improved, the both ends of spring 162 are connected with the surface of extrusion piece 15 and the fixed surface of clutch blocks 17 respectively, the other end of second telescopic sleeve 161 and the fixed surface of clutch blocks 17 are connected, two bellows 19 of last fixed surface of processing platform 1 are connected, and the opposite face of two bellows 19 is linked together with the induction port of two fan 20 respectively, the lower surface of two fan 20 all is connected with the fixed surface of processing platform 1, be located left fan 20 and be connected with the left end transmission of drive arrangement 3, fan 20 that is located the right side passes through drive shaft 4 and is connected with drive arrangement 3 transmission.

As shown in fig. 2, fig. 3, fig. 4 and fig. 5, the front and the back of the bellows 19 are respectively communicated with one end of the opposite surfaces of the two tees 21 through a connecting pipe, one end of the opposite surfaces of the two tees 21 is respectively communicated with one end of the opposite surfaces of the two first guide pipes 22, the other ends of the two first guide pipes 22 are respectively communicated with one end far away from the two first telescopic sleeves 14, the lower surface of the blower 20 is fixedly connected with the upper surface of the processing platform 1, one end far away from the two tees 21 on one side is respectively communicated with one end of the opposite surfaces of the two second guide pipes 23, the two tees 21 on the back are communicated with the left and right ends of the same connector 24 through the second guide pipes 23, one end of the front of the connector 24 is communicated with the outer surface of the air inlet telescopic pipe 25, and the bottom end of the air inlet telescopic pipe 25 is fixedly connected with the upper surface of the processing platform 1, the other end of the air inlet telescopic pipe 25 is communicated with the cleaning plate 26, the cleaning plate 26 is arc-shaped, a plurality of air inlet holes 30 are formed in the front face of the cleaning plate 26, an air inlet telescopic rod and an exhaust telescopic pipe 27 are arranged, metal scraps and impurities which are polished can enter the air box 19 along the air inlet holes 30, dust and impurities which are generated during polishing are collected and processed in a unified mode, the environment-friendly effect of the polishing device is improved, the problem that the polishing device or the metal round pipe is damaged due to accumulation of the metal scraps and the dust during polishing of the metal round pipe is avoided, two exhaust telescopic pipes 27 are fixedly connected to the outer surface of the cleaning plate 26, the bottom ends of the two exhaust telescopic pipes 27 are fixedly connected with the upper surface of the processing platform 1, and the two exhaust telescopic pipes 27 are respectively communicated with exhaust holes of the two fans 20 through the two third guide pipes 28.

As shown in fig. 1, 3, 4 and 6, the left and right sides of the cleaning plate 26 are respectively fixedly connected with one end of the opposite surfaces of the two rotating devices 29, the surface far away from the two rotating devices 29 is respectively clamped on the left and right sides of the inner wall of the processing groove 31, the processing groove 31 is arranged on the upper surface of the processing platform 1, the lower surface of the processing platform 1 is fixedly connected with two supporting legs 33, because of the arrangement of the bearings and the rotating shaft, the polishing device can effectively avoid the air cylinder 7 from rotating along with the adjusting screw rod 6 during operation, the stability of the screw rod during rotation is ensured, the air cylinder 7 is prevented from being broken along with the rotation thereof, the stability of the polishing device during operation is ensured, the rotating devices 29 comprise rotating rods 291, one end of the opposite surfaces of the two rotating rods 291 are respectively fixedly connected with the left and right sides of the cleaning plate 26, and the two rotating rods 291 are respectively sleeved in the two connecting cylinders 292, the one side that two connecting cylinders 292 kept away from mutually is the joint in the left and right sides face of processing groove 31 inner wall respectively, drive assembly 5 includes action wheel 51, the inner wall of action wheel 51 is connected with drive shaft 4's external surface fixed connection, action wheel 51's surface is provided with drive belt 52, action wheel 51 passes through drive belt 52 and is connected with the transmission of follow driving wheel 53, the inner wall of follow driving wheel 53 is connected with the external surface fixed connection of a plurality of second fixture block 10, two one end of keeping away from mutually from driving wheel 53 respectively with the one end fixed connection of two rotary drums 11 opposite faces, clearance subassembly 13 includes carousel 131, the inner wall of carousel 131 and accommodate the lead screw 6's surface threaded connection, the external surface fixed connection of carousel 131 has a plurality of cleaning block 132, a plurality of through-hole has been seted up to the left surface of carousel 131, carousel 131 is linked together through-hole and two first telescopic sleeves 14, the one side that two carousel 131 kept away from mutually is respectively with the one end fixed connection of four first telescopic sleeves 14 opposite faces .

The working principle of the invention is as follows: a metal round pipe to be processed is placed on the surface of the adjusting screw rod 6 on one side, the inner wall of the metal round pipe is lapped on the surface of the friction block 17, the air cylinder 7 is started, the air cylinder 7 pushes the two extrusion blocks 15 to move oppositely in the operation process, when the two extrusion blocks 15 are in a mutually-jointed state, the air cylinder 7 can extrude the air in the expansion block 18 into the second telescopic sleeve 16, the first telescopic sleeve 14 drives the friction block 17 to move outwards along with the rise of pressure, and when the friction block 17 and the interior of the metal round pipe are in a jointed and fixed state, the first fixture block 9 can be clamped on the surface of the second fixture block 10 through a clamping groove on the surface of the first fixture block, at the moment, the air cylinder 7 is closed and the driving device 3 is started, when the driving device 3 operates, the driving device 3 can drive the adjusting screw rod 6 to rotate through the driving shaft 4 and the transmission assembly 5, and because the dial 131 on its surface can move in the effect of accommodate the lead screw 6 surface screw when accommodate the lead screw 6 rotates to the metal pipe, thereby carry out the polishing to the inside of metal pipe and polish and handle, along with drive arrangement 3's operation, two fans 20 then can the synchronous operation, and fan 20 can inject into two flexible 27 of exhaust through third pipe 28 with the partial gas that fan 20 discharged when moving, make the flexible 27 of exhaust overturn of the flexible 27 extrusion cleaning board of exhaust, make cleaning board 26 contact with high-speed pivoted metal pipe, thereby polish and handle the surface of metal pipe, because fan 20 can extract the gas in the flexible 25 of admitting air through second pipe 23 when moving, make metal sweeps and impurity under the polishing can get into bellows 19 along inlet port 30.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a based on metal pipe processing is with burnishing and polishing device, includes processing platform (1), its characterized in that: the upper surface of the processing platform (1) is fixedly connected with two positioning vertical plates (2), the left side surface of the positioning vertical plate (2) positioned on the left side is provided with a mounting groove (32), a driving device (3) is arranged in the mounting groove (32), the lower surface of the driving device (3) is fixedly connected with the upper surface of the processing platform (1), the right end of the driving device (3) is fixedly connected with the left end of a driving shaft (4), the outer surface of the driving shaft (4) is fixedly connected with two transmission assemblies (5), adjusting screw rods (6) are arranged in the two transmission assemblies (5), the far ends of the two adjusting screw rods (6) are respectively and fixedly connected with the opposite surfaces of two cylinders (7) through bearings and rotating shafts, the far ends of the two cylinders (7) are respectively and fixedly connected with the opposite surfaces of two mounting brackets (8), the lower surface of the mounting brackets (8) is fixedly connected with the upper surface of the processing platform (1), the outer surface of the adjusting screw rods (6) is fixedly connected with a first clamping block (9), the outer surface of the first clamping groove (9) is provided with the outer surface of the first clamping block (9), the two positioning vertical plates (2) are respectively and the inner surface of the second clamping sleeve (11) is fixedly connected with the inner surface of a second clamping sleeve (11), the outer surface of the adjusting screw rod (6) is in threaded connection with cleaning assemblies (13), the two cleaning assemblies (13) are located between the two positioning vertical plates (2), two first telescopic sleeves (14) are fixedly connected to the surfaces, away from the two cleaning assemblies (13), of the two cleaning assemblies, and the ends, away from the two first telescopic sleeves (14), corresponding to the two first telescopic sleeves are fixedly connected with the opposite surfaces of the two positioning vertical plates (2) respectively;

the shape of the second fixture block (10) is matched with the shape of a clamping groove formed in the outer surface of the first fixture block (9), one end of each of two opposite surfaces of the two adjusting screw rods (6) is fixedly connected with one surface far away from the two extrusion blocks (15), the opposite surfaces of the two extrusion blocks (15) are fixedly connected with expansion blocks (18), the outer surface of each extrusion block (15) is fixedly connected with a plurality of elastic assemblies (16), one end of each opposite surface corresponding to the two elastic assemblies (16) penetrates through each extrusion block (15) to be communicated with each expansion block (18), each expansion block (18) is set to be a plastic expansion block, one end of each opposite surface corresponding to the two elastic assemblies (16) is fixedly connected with each friction block (17), each elastic assembly (16) comprises a second telescopic sleeve (161), one end of each opposite surface corresponding to the two second telescopic sleeves (161) penetrates through each extrusion block (15) to be communicated with each expansion block (18), the outer surfaces of the plurality of second telescopic sleeves (161) are respectively sleeved with springs (162), and two ends of each spring (162) are fixedly connected with the outer surfaces of the extrusion blocks (15) and the other ends of the friction blocks (17) and the outer surfaces of the expansion blocks (161) are fixedly connected with the outer surfaces of the friction blocks (17);

the upper surface of processing platform (1) fixed connection has two bellows (19), and the opposite face of two bellows (19) is linked together with the induction port of two fan (20) respectively, and the lower surface of two fan (20) all is connected with the upper surface fixed of processing platform (1), and the left end transmission that is located left fan (20) and drive arrangement (3) is connected, and fan (20) that are located the right side is connected with drive arrangement (3) transmission through drive shaft (4), the front and the back of bellows (19) are linked together with the one end of two tee bend (21) opposite faces respectively through the connecting pipe, and the one end that corresponds two tee bend (21) opposite faces is linked together with the one end of two first pipe (22) opposite faces respectively, and the other end of two first pipe (22) is linked together with the one end that two first telescope tubes (14) kept away from respectively, the lower surface of fan (20) is connected with the upper surface fixed of processing platform (1), and the one end that two tee bend (21) that are kept away from on one side are linked together with the one end of two second pipe (23) opposite faces respectively, and the outer surface of two tee bend (24) that are located the rear are linked together through the same second union joint head (24) and intake air.

2. The grinding and polishing device for machining the circular metal pipe according to claim 1, wherein the grinding and polishing device comprises: the bottom of the air inlet telescopic pipe (25) is fixedly connected with the upper surface of the processing platform (1), the other end of the air inlet telescopic pipe (25) is communicated with the cleaning plate (26), the cleaning plate (26) is arranged to be arc-shaped, a plurality of air inlets (30) are formed in the front of the cleaning plate (26), two air exhaust telescopic pipes (27) are fixedly connected to the outer surface of the cleaning plate (26), the bottom ends of the two air exhaust telescopic pipes (27) are fixedly connected with the upper surface of the processing platform (1), and the two air exhaust telescopic pipes (27) are respectively communicated with the air exhaust holes of the two fans (20) through two third guide pipes (28).

3. The grinding and polishing device for machining the circular metal pipe according to claim 2, wherein the grinding and polishing device comprises: the left and right sides face of clean board (26) respectively with the one end fixed connection of two rotary device (29) opposite face, and the left and right sides face of one side difference joint at processing groove (31) inner wall that two rotary device (29) kept away from mutually, the upper surface at processing platform (1) is seted up in processing groove (31), the lower fixed surface of processing platform (1) is connected with two supporting legs (33).

4. The grinding and polishing device for machining the circular metal pipe according to claim 3, wherein the grinding and polishing device comprises: the rotating device (29) comprises rotating rods (291), one ends of opposite surfaces of the two rotating rods (291) are fixedly connected with the left side surface and the right side surface of the cleaning plate (26) respectively, the two rotating rods (291) are sleeved in the two connecting cylinders (292) respectively, and the surfaces, far away from the two connecting cylinders (292), of the two connecting cylinders are connected with the left side surface and the right side surface of the inner wall of the processing groove (31) in a clamping mode respectively.

5. The grinding and polishing device for machining the circular metal pipe according to claim 1, wherein the grinding and polishing device comprises: the transmission assembly (5) comprises a driving wheel (51), the inner wall of the driving wheel (51) is fixedly connected with the outer surface of the driving shaft (4), a transmission belt (52) is arranged on the outer surface of the driving wheel (51), the driving wheel (51) is in transmission connection with a driven wheel (53) through the transmission belt (52), the inner wall of the driven wheel (53) is fixedly connected with the outer surface of a plurality of second fixture blocks (10), and one ends, far away from the driven wheel (53), of the two driven wheels are fixedly connected with one ends of opposite surfaces of the two rotary drums (11) respectively.

6. The grinding and polishing device for machining the circular metal pipe according to claim 1, wherein the grinding and polishing device comprises: clearance subassembly (13) are including carousel (131), the outer surface threaded connection of the inner wall of carousel (131) and accommodate the lead screw (6), the outer fixed surface of carousel (131) is connected with a plurality of cleaning block (132), a plurality of through-hole has been seted up to the left surface of carousel (131), carousel (131) are linked together through-hole and two first telescope tube (14), and the one side of keeping away from mutually two carousel (131) is respectively with the one end fixed connection of four first telescope tube (14) opposite faces.