CN113442017B

CN113442017B - Long steel pipe terminal surface equipment of polishing

Info

Publication number: CN113442017B
Application number: CN202111024711.9A
Authority: CN
Inventors: 李琳
Original assignee: Xuzhou Jinzun Machinery Co ltd
Current assignee: Xuzhou Jinzun Machinery Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2021-11-09
Anticipated expiration: 2041-09-02
Also published as: CN113442017A

Abstract

The invention relates to the technical field of polishing equipment, in particular to long steel pipe end face polishing equipment, which comprises a bearing seat, wherein a supporting structure is arranged on one side of the bearing seat; a fixed structure is arranged on the top side of the supporting structure; a retractable structure is connected between the supporting structure and the bearing seat; a positioning structure is connected between the retraction structure and the bearing seat; the top side of the bearing seat is provided with an extrusion structure; bear the tip of seat and install the structure of polishing, bearing structure guarantees that the steel pipe keeps the horizontality at the in-process of polishing, and fixed knot constructs and makes things convenient for steel pipe and whole the removing of supporting seat, receive and releases the structure and remove the supporting seat, and the in-process of polishing is convenient to remove the steel pipe simultaneously, and location structure fixes the position of drive roller, and extrusion structure plays and provides stable effect to the steel pipe, guarantees the stability of steel pipe in-process of polishing, and the structure of polishing carries out polishing of different angles to the steel pipe, is suitable for the demand of polishing of different steel pipes.

Description

Long steel pipe terminal surface equipment of polishing

Technical Field

The invention relates to the technical field of polishing equipment, in particular to long steel pipe end face polishing equipment.

Background

Steel pipes are steel with a hollow cross section whose length is much greater than the diameter or circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section. The steel pipe is an important basic material in modern industries such as buildings. In order to adapt to different purposes, the produced raw material steel pipe is in actual use, the cutting end face needs to be polished after the cutting processing is finished so as to ensure the connection goodness of fit, and meanwhile, the length of the steel pipe can be finely adjusted in a polishing mode.

However, conventional grinding equipment typically grinds the end faces of the steel pipes by means of a grinding disc driven by a motor, the grinding operation is carried out on the vertical end face of the steel pipe which is horizontally placed, in practical use, the steel pipe can be obliquely cut to meet the connection requirement with a plane and the like, at the moment, the grinding operation of the obliquely cut end face is inconvenient to carry out by adopting the traditional grinding equipment, particularly for the raw material steel pipe with larger length, and meanwhile, if the length of the steel pipe is larger, because the bearing area of the traditional grinding equipment is small, the steel pipe can incline when being ground, and the grinding surface can deviate to influence the subsequent use of the steel pipe, the steel pipe that is great to length has great dead weight equally for operating personnel is comparatively hard in the removal on the equipment of polishing to the steel pipe equally, influences machining efficiency.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides long steel pipe end face polishing equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the long steel pipe end face polishing equipment comprises a bearing seat, wherein a supporting structure is arranged on one side of the bearing seat; a fixed structure is arranged on the top side of the supporting structure; a retractable structure is connected between the supporting structure and the bearing seat; a positioning structure is connected between the retraction structure and the bearing seat; the top side of the bearing seat is provided with an extrusion structure; the end of the bearing seat is provided with a polishing structure.

Specifically, the supporting structure comprises a supporting seat, the side surface of the bearing seat is provided with the supporting seat, the bottom side of the supporting seat is rotatably connected with a pulley, a screw rod penetrates through the inside of the supporting seat, two ends of the screw rod are respectively and fixedly connected with a sliding knob, the sliding knob is connected with the side surface of the supporting seat in a sliding way, the middle part of the screw rod is rotationally connected with a lifting roller, the threads on the two sides of the screw rod are arranged in a reverse way, and two sides of the screw rod are respectively in threaded connection with an inclined plane thread block, the supporting seat is internally provided with an inclined groove, the inclined thread blocks are connected with the inside of the supporting seat in a sliding way through inclined grooves, the cross sections of the inclined thread blocks are in a parallelogram structure, the two inclined thread blocks are symmetrically arranged, and the chute is also of a parallelogram structure, and the top side of the supporting seat is of a V-shaped structure.

Specifically, the fixed structure comprises a first adjusting rod, the inside of the supporting seat is rotatably connected with the first adjusting rod, a first worm is fixedly connected to the first adjusting rod, a first worm wheel is meshed with the side surface of the first worm, the middle part of the first worm wheel is fixedly connected with a first winding wheel, two ends of the first winding wheel are respectively and rotatably connected with the supporting seat, the side surface of the first winding wheel is fixedly connected with a binding belt, the binding belt penetrates through the supporting seat, and the other end of the binding band is fixedly connected with an inserting block, the end part of the inserting block is fixedly connected with a transverse clamping rod, the other side of the supporting seat is provided with a sawtooth groove, the transverse clamping rod is clamped with the supporting seat through the sawtooth groove, the inboard sliding connection of supporting seat has the crowded strip of pushing, push fixedly connected with first spring between crowded strip and the supporting seat, the side of pushing the crowded strip is inconsistent with the inserted block.

The utility model discloses a take-up and pay-off structure, including the rocker, the inboard of bearing the seat is rotated and is connected with the rocker, the middle part fixedly connected with drive roller of rocker, the drive roller is hourglass type structure, first band pulley of both sides difference fixedly connected with of rocker, the inboard of bearing the seat is rotated and is connected with the roll-up axle, a second band pulley of both sides difference fixedly connected with of roll-up axle, the drive belt has been cup jointed between the second band pulley that first band pulley and homonymy set up, the epaxial fixedly connected with second of roll-up is rolled up and is taken turns, the side fixedly connected with haulage rope of second roll-up wheel, the other end of haulage rope and the side fixed connection of supporting seat.

Specifically, location structure is including adjusting the cap, the side that bears the weight of the seat rotates and is connected with the regulation cap, the inboard threaded connection who adjusts the cap has drive screw, drive screw's the other end and the inboard sliding connection who bears the weight of the seat, drive screw's tip fixedly connected with sliding sleeve, the inboard sliding connection of sliding sleeve has the card post, fixedly connected with sixth spring between card post and the sliding sleeve, the tip fixedly connected with cooperation head of rocker, the tip of card post is "one" font structure, the one end that cooperation head and card post are close is equipped with "one" font recess.

Specifically, the extrusion structure includes the grip block, rotate between the one end of grip block and the carrier seat and be connected, the other end sliding connection of grip block has the control block, fixedly connected with third spring between control block and the grip block, the top side fixedly connected with fixture block of carrier seat, block mutually between the tip of control block and the fixture block, the middle part of grip block is equipped with the squeeze roll, the tip of squeeze roll rotates and is connected with the rotation cover, rotate the inboard sliding connection of cover and grip block, rotate fixedly connected with second spring between the side of cover and the grip block.

Specifically, the structure of polishing includes the axle piece, it is connected with the axle piece to rotate on the plummer, the side of axle piece is rotated and is connected with polisher body, fixedly connected with second worm wheel on the axle piece, the side meshing of second worm wheel has the second worm, the middle part fixedly connected with second of second worm is adjusted the pole, the second is adjusted and is rotated between the pole and the plummer and be connected, the inside sliding connection of plummer has the reference column, fixedly connected with fourth spring between reference column and the plummer, the constant head tank has been seted up to the side of axle piece, the tip of reference column is the hemisphere face structure, just the tip of reference column passes through the constant head tank and the axle piece is inconsistent.

The invention has the beneficial effects that:

(1) according to the long steel pipe end face polishing equipment, the tail end of the long steel pipe is supported through the supporting structure, the steel pipe is guaranteed to be kept in a horizontal state in the polishing process, and the steel pipe and the supporting seat are fixed through the fixing structure, so that the steel pipe and the supporting seat can be conveniently moved integrally, and the polishing operation of the steel pipe is convenient.

(2) According to the long steel pipe end face polishing equipment, the support seat is moved through the retracting structure, the steel pipe is conveniently moved in the polishing process, and the position of the driving roller is fixed through the positioning structure, so that the position of the steel pipe is kept.

(3) According to the polishing equipment for the end face of the long steel pipe, the steel pipe is stably fixed through the extrusion structure, and the stability of the steel pipe in the polishing process is guaranteed.

(4) According to the polishing equipment for the end face of the long steel pipe, the steel pipe is polished at different angles through the polishing structure, and the polishing equipment is suitable for polishing requirements of different steel pipes.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a long steel pipe end surface grinding device provided by the present invention;

FIG. 2 is a schematic structural view of the support structure shown in FIG. 1;

FIG. 3 is a schematic view of the connection between the support structure and the storage structure shown in FIG. 1;

FIG. 4 is a schematic view of the connection structure of the support structure and the fixing structure shown in FIG. 1;

FIG. 5 is an enlarged view of the part A shown in FIG. 4;

FIG. 6 is a schematic view of a connection structure between the carrier and the retractable structure shown in FIG. 1;

FIG. 7 is a schematic structural view of the storage structure shown in FIG. 6;

FIG. 8 is a schematic view of a coupling structure of the storing and releasing structure and the pressing structure shown in FIG. 1;

FIG. 9 is an enlarged view of the structure of the portion B shown in FIG. 8;

fig. 10 is a schematic view of a connection structure of the carrier and the polishing structure shown in fig. 1.

In the figure: 1. bearing seat, 2, supporting structure, 21, supporting seat, 22, sliding knob, 23, screw rod, 24, inclined thread block, 25, inclined groove, 26, pulley, 27, lifting roller, 3, fixing structure, 31, first adjusting rod, 32, binding band, 33, first worm, 34, first winding wheel, 35, first worm wheel, 36, inserting block, 37, transverse clamping rod, 38, sawtooth groove, 39, pushing strip, 39a, first spring, 4, winding and unwinding structure, 41, rocker, 42, driving roller, 43, traction rope, 44, first belt wheel, 45, transmission belt, 46, winding shaft, 47, second belt wheel, 48, second winding wheel, 5, extrusion structure, 51, clamping block, 52, extrusion roller, 53, rotating sleeve, 54, second spring, 55, control block, 56, clamping block, 57, third spring, 6, grinding structure, 61, grinding machine body, 62, shaft block, 63, The adjusting mechanism comprises a second adjusting rod, 64, a second worm, 65, a second worm wheel, 66, a positioning column, 67, a fourth spring, 68, a positioning groove, 7, a positioning structure, 71, an adjusting cap, 72, a driving screw rod, 73, a sliding sleeve, 74, a clamping column, 75, a sixth spring, 76 and a matching head.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-10, the long steel pipe end surface grinding device of the present invention includes a bearing seat 1, wherein a support structure 2 is disposed on one side of the bearing seat 1; a fixed structure 3 is arranged on the top side of the supporting structure 2; a retraction structure 4 is connected between the support structure 2 and the bearing seat 1; a positioning structure 7 is connected between the retraction structure 4 and the bearing seat 1; the top side of the bearing seat 1 is provided with an extrusion structure 5; the end of the bearing seat 1 is provided with a grinding structure 6.

Specifically, the supporting structure 2 includes a supporting seat 21, a supporting seat 21 is disposed on a side surface of the bearing seat 1, a pulley 26 is rotatably connected to a bottom side of the supporting seat 21, a screw rod 23 penetrates through the inside of the supporting seat 21, two ends of the screw rod 23 are respectively and fixedly connected with a sliding knob 22, the sliding knob 22 is slidably connected to a side surface of the supporting seat 21, a lifting roller 27 is rotatably connected to a middle portion of the screw rod 23, threads on two sides of the screw rod 23 are reversely arranged, two sides of the screw rod 23 are respectively and threadedly connected with an inclined plane thread block 24, a chute 25 is disposed inside the supporting seat 21, the inclined plane thread block 24 is slidably connected to the inside of the supporting seat 21 through the chute 25, a cross section of the inclined plane thread block 24 is of a parallelogram structure, two inclined plane thread blocks 24 are symmetrically arranged, and the chute 25 is also of a parallelogram structure, the top side of the supporting seat 21 is of a V-shaped structure; and then support the tail end of the long steel pipe through the support structure 2, and ensure that the steel pipe keeps a horizontal state in the polishing process.

Specifically, the fixing structure 3 includes a first adjusting lever 31, the first adjusting lever 31 is rotatably connected to the inside of the supporting seat 21, a first worm 33 is fixedly connected to the first adjusting lever 31, a first worm wheel 35 is engaged with a side surface of the first worm 33, a first winding wheel 34 is fixedly connected to a middle portion of the first worm wheel 35, two ends of the first winding wheel 34 are rotatably connected to the supporting seat 21, a binding band 32 is fixedly connected to a side surface of the first winding wheel 34, the binding band 32 penetrates through the supporting seat 21, an insertion block 36 is fixedly connected to the other end of the binding band 32, a transverse clamping rod 37 is fixedly connected to an end portion of the insertion block 36, a serrated groove 38 is formed on the other side of the supporting seat 21, the transverse clamping rod 37 is engaged with the supporting seat 21 through the serrated groove 38, a pushing bar 39 is slidably connected to an inner side of the supporting seat 21, a first spring 39a is fixedly connected between the pushing bar 39 and the supporting seat 21, the side surface of the pushing strip 39 is abutted against the inserting block 36; and then through fixed knot constructs 3 to the steel pipe with fix between the supporting seat 21 to make things convenient for the steel pipe with the supporting seat 21 is whole to be removed, makes things convenient for the cutting of steel pipe.

Specifically, the retracting and releasing structure 4 comprises a rocker 41, the inner side of the bearing seat 1 is rotatably connected with the rocker 41, the middle part of the rocker 41 is fixedly connected with a driving roller 42, the driving roller 42 is of an hourglass-shaped structure, two sides of the rocker 41 are respectively and fixedly connected with a first belt wheel 44, the inner side of the bearing seat 1 is rotatably connected with a retracting shaft 46, two sides of the retracting shaft 46 are respectively and fixedly connected with a second belt wheel 47, a transmission belt 45 is sleeved between the first belt wheel 44 and the second belt wheel 47 arranged on the same side, a second retracting wheel 48 is fixedly connected to the retracting shaft 46, the side surface of the second retracting wheel 48 is fixedly connected with a traction rope 43, and the other end of the traction rope 43 is fixedly connected with the side surface of the supporting seat 21; and then through receive and release structure 4 to the supporting seat 21 removes, conveniently removes the steel pipe at the in-process of polishing simultaneously.

Specifically, the positioning structure 7 includes an adjusting cap 71, the side surface of the bearing seat 1 is rotatably connected with the adjusting cap 71, the inner side of the adjusting cap 71 is in threaded connection with a driving screw 72, the other end of the driving screw 72 is in sliding connection with the inner side of the bearing seat 1, the end of the driving screw 72 is fixedly connected with a sliding sleeve 73, the inner side of the sliding sleeve 73 is in sliding connection with a clamping column 74, a sixth spring 75 is fixedly connected between the clamping column 74 and the sliding sleeve 73, the end of the rocker 41 is fixedly connected with a matching head 76, the end of the clamping column 74 is in a linear structure, and a linear groove is formed in one end of the matching head 76 close to the clamping column 74; the position of the driving roller 42 is fixed by the positioning structure, and the position of the steel pipe is maintained at this time.

Specifically, the extrusion structure 5 includes a clamping block 51, one end of the clamping block 51 is rotatably connected with the bearing seat 1, the other end of the clamping block 51 is slidably connected with a control block 55, a third spring 57 is fixedly connected between the control block 55 and the clamping block 51, a clamping block 56 is fixedly connected to the top side of the bearing seat 1, the end of the control block 55 is clamped with the clamping block 56, an extrusion roller 52 is arranged in the middle of the clamping block 51, a rotating sleeve 53 is rotatably connected to the end of the extrusion roller 52, the rotating sleeve 53 is slidably connected with the inner side of the clamping block 51, and a second spring 54 is fixedly connected between the side of the rotating sleeve 53 and the clamping block 51; and then come to provide stable effect to the steel pipe through extrusion structure 5, guarantee the stability of steel pipe in-process of polishing.

Specifically, the polishing structure 6 includes a shaft block 62, the bearing seat 1 is rotatably connected with the shaft block 62, a side surface of the shaft block 62 is rotatably connected with the polisher body 61, the shaft block 62 is fixedly connected with a second worm wheel 65, a side surface of the second worm wheel 65 is engaged with a second worm 64, a middle part of the second worm 64 is fixedly connected with a second adjusting rod 63, the second adjusting rod 63 is rotatably connected with the bearing seat 1, a positioning column 66 is slidably connected inside the bearing seat 1, a fourth spring 67 is fixedly connected between the positioning column 66 and the bearing seat 1, a positioning groove 68 is formed in a side surface of the shaft block 62, an end part of the positioning column 66 is of a hemispherical structure, and an end part of the positioning column 66 is abutted against the shaft block 62 through the positioning groove 68; and then through the structure of polishing carries out the polishing of different angles to the steel pipe, is suitable for the demand of polishing of different steel pipes.

When the steel pipe polishing device is used, firstly, the supporting seat 21 is arranged at the tail end of the bearing seat 1, the top side of the supporting seat 21 is of a V-shaped structure, so that the steel pipes with different thicknesses can not be transversely deviated in the placing process, when the steel pipes are polished, if the length of the steel pipes is larger, an operator can move the supporting seat 21 to a proper position, then the head and the tail of each steel pipe are respectively supported by the bearing seat 1 and the supporting seat 21, so that the steel pipes are horizontally placed, pulleys 26 are arranged at the bottom side of the supporting seat 21, the movement of the supporting seat 21 is convenient, meanwhile, because the self weight of each long steel pipe is larger, if the supporting position of the supporting seat 21 for the steel pipes needs to be changed, the operator can rotate the sliding knob 22 arranged at the side of the supporting seat 21 to drive the screw rod 23 arranged at the inner side to rotate, the threads at the two sides of the screw rod 23 are opposite and are respectively in threaded connection with an inclined thread block 24 in a parallelogram structure, when the screw rod 23 rotates, the inclined thread block 24 slides in the inclined groove 25 and simultaneously lifts the screw rod 23, so that the lifting roller 27 in the middle is lifted from the inside of the support seat 21, and then the placed steel pipe is lifted, at the moment, because the lifting roller 27 is rotatably connected with the screw rod 23, an operator can move the support seat for supporting the steel pipe more laborsavingly, the support position is changed, after the support setting for the long steel pipe is completed, in order to conveniently move the steel pipe in the polishing process of the steel pipe, and simultaneously ensure that the sliding phenomenon between the steel pipe and the support seat 21 does not occur, the support seat 21 is provided with a bandage 32 for fixing the steel pipe, when the steel pipe is fixed through the bandage 32, the operator firstly needs to pass the bandage 32 around the steel pipe, and then inserts 36 at the end part of the bandage 32 are placed in through an opening at the end part of the sawtooth groove 38, the pushing strip 39 is arranged in the sawtooth groove 38, under the pushing of the first spring 39a, the pushing strip 39 can push the insertion block 36, so that the horizontal clamping rod 37 on the insertion block 36 can be always clamped with the sawtooth part in the sawtooth groove 38, then the insertion block 36 is adjusted to slide to a proper position of the sawtooth groove 38 according to the width of the steel pipe, then an operator can drive the first winding wheel 34 to rotate through the first worm 33 and the first worm wheel 35 by rotating the first adjusting rod 31 at the top end of the supporting seat 21, and wind the binding belt 32, and then fix the steel pipe on the supporting seat 21 through tightening the binding belt 32, at the moment, in the polishing process of the steel pipe, the operator can conveniently pull the steel pipe, and simultaneously keep the steel pipe horizontally placed, and in the polishing process of the steel pipe, in order to conveniently move the steel pipe, the placing position of the steel pipe on the bearing seat 1 is changed, so that the movement of the long steel pipe is convenient, the driving roller 42 is arranged in the middle of the bearing seat 1, the driving roller 42 is of an hourglass-shaped structure, when the driving roller 42 bears the steel pipe, the steel pipe can be always kept in the middle position, meanwhile, the driving roller 42 is fixedly connected with the rocker 41, an operator can rotate the driving roller 42 by rocking the rocker 41 to match the supporting seat 21 to move the steel pipe, on the other hand, a traction rope 43 is fixedly connected between the supporting seat 21 and a second winding wheel 48 in the bearing seat 1, the second winding wheel 48 is fixedly connected onto a winding shaft 46, the winding shaft 46 rotates together with the rocker 41 through the transmission effect of a first belt wheel 44, a second belt wheel 47 and a transmission belt 45, the smooth movement of the steel pipe is further ensured when the supporting seat 21 is conveniently recovered, for the cross-section end face of the steel pipe, when the end of the steel pipe is polished, it is necessary to ensure that the steel pipe does not move, at this time, it is necessary to ensure that the driving roller 42 does not rotate freely, a user can rotate the adjusting cap 71 positioned at the other side of the bearing seat 1, so that the driving screw 72 in the adjusting cap 71 moves inside the bearing seat 1 until the sliding sleeve 73 at the end of the driving screw 72 slides to the matching head 76 at the end of the rocker 41, the end of the clamping column 74 in the sliding sleeve 73 can be embedded with the matching head 76, thereby fixing the position of the rocker 41 at this time, a sixth spring 75 is connected between the clamping column 74 and the sliding sleeve 73 to ensure the smooth embedding between the clamping column 74 and the matching head 76, during the polishing process of the steel pipe, after the steel pipe is placed on the driving roller 42 on the bearing seat 1, an operator can also screw down the clamping block 51, and fix the other end of the clamping block 51 with the bearing seat 1 through the clamping action between the control block 55 and the clamping block 56, at the moment, the extrusion roller 52 in the middle of the clamping block 51 extrudes the side surface of the steel pipe, so that the steel pipe is prevented from shaking while the steel pipe is ensured to move transversely, the extrusion roller 52 is in sliding connection with the clamping block 51 through the rotating sleeve 53, and the second spring 54 is fixedly connected between the rotating sleeve 53 and the clamping block 51, so that the extrusion roller 52 can realize extrusion effect on the steel pipes with different thicknesses, and the stability of the steel pipe during polishing is ensured, the polisher body 61 is arranged on the side surface of the bearing seat 1, after the steel pipe is placed, the polisher body 61 is electrically connected with an external power supply, so that the steel pipe can be polished, and when the steel pipe needs to be polished obliquely, an operator can rotate the second adjusting rod 63 on the bearing seat 1, and further drive the shaft block 62 to rotate through the meshing action between the second worm 64 and the second worm wheel 65, thereby change polisher body 61's cutting direction, realize polishing to the equidirectional slant of steel pipe, the side of axle piece 62 is equipped with reference column 66 simultaneously, through the conflict effect between reference column 66 and the constant head tank 68 of axle piece 62 side, makes things convenient for operating personnel to confirm the turned position of axle piece 62, conveniently resumes polisher body 61's vertical setting.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a long steel pipe terminal surface equipment of polishing which characterized in that: the device comprises a bearing seat (1), wherein a supporting structure (2) is arranged on one side of the bearing seat (1); a fixed structure (3) is arranged on the top side of the supporting structure (2); a retraction structure (4) is connected between the supporting structure (2) and the bearing seat (1); a positioning structure (7) is connected between the retraction structure (4) and the bearing seat (1); the top side of the bearing seat (1) is provided with an extrusion structure (5); a polishing structure (6) is arranged at the end part of the bearing seat (1);

the supporting structure (2) comprises a supporting seat (21), a supporting seat (21) is arranged on the side face of the bearing seat (1), a pulley (26) is rotatably connected to the bottom side of the supporting seat (21), a lead screw (23) penetrates through the inside of the supporting seat (21), two ends of the lead screw (23) are fixedly connected with a sliding knob (22) respectively, the sliding knob (22) is slidably connected with the side face of the supporting seat (21), the middle part of the lead screw (23) is rotatably connected with a lifting roller (27), threads on two sides of the lead screw (23) are reversely arranged, two sides of the lead screw (23) are respectively in threaded connection with an inclined plane thread block (24) in a threaded manner, a chute (25) is formed in the inside of the supporting seat (21), and the inclined plane thread block (24) is slidably connected with the inside of the supporting seat (21) through the chute (25);

the cross section of each inclined thread block (24) is of a parallelogram structure, the two inclined thread blocks (24) are symmetrically arranged, the inclined groove (25) is also of a parallelogram structure, and the top side of the support seat (21) is of a V-shaped structure;

the fixing structure (3) comprises a first adjusting rod (31), the inside of the supporting seat (21) is rotatably connected with the first adjusting rod (31), the first adjusting rod (31) is fixedly connected with a first worm (33), the side surface of the first worm (33) is meshed with a first worm wheel (35), the middle part of the first worm wheel (35) is fixedly connected with a first winding wheel (34), the two ends of the first winding wheel (34) are respectively rotatably connected with the supporting seat (21), the side surface of the first winding wheel (34) is fixedly connected with a binding belt (32), the binding belt (32) penetrates through the supporting seat (21), the other end of the binding belt (32) is fixedly connected with an inserting block (36), the end part of the inserting block (36) is fixedly connected with a transverse clamping rod (37), the other side of the supporting seat (21) is provided with a sawtooth groove (38), and the transverse clamping rod (37) is clamped with the supporting seat (21) through the sawtooth groove (38), the inboard sliding connection of supporting seat (21) has the crowded strip (39) of pushing, push fixedly connected with first spring (39 a) between crowded strip (39) and supporting seat (21), the side of pushing crowded strip (39) is inconsistent with inserted block (36).

2. The long steel pipe end face grinding device according to claim 1, characterized in that: the retraction structure (4) comprises a rocker (41), the inner side of the bearing seat (1) is rotatably connected with the rocker (41), the middle part of the rocker (41) is fixedly connected with a driving roller (42), the driving roller (42) is in an hourglass structure, two sides of the rocker (41) are respectively and fixedly connected with a first belt wheel (44), the inner side of the bearing seat (1) is rotatably connected with a furling shaft (46), two sides of the furling shaft (46) are respectively and fixedly connected with a second belt wheel (47), a transmission belt (45) is sleeved between the first belt wheel (44) and a second belt wheel (47) arranged on the same side, a second coiling wheel (48) is fixedly connected on the coiling shaft (46), a traction rope (43) is fixedly connected on the side surface of the second coiling wheel (48), the other end of the traction rope (43) is fixedly connected with the side surface of the supporting seat (21).

3. The long steel pipe end face grinding device according to claim 2, characterized in that: location structure (7) are including adjusting cap (71), the side that bears seat (1) is rotated and is connected with regulation cap (71), the inboard threaded connection who adjusts cap (71) has drive screw (72), the other end of drive screw (72) and the inboard sliding connection who bears seat (1), the tip fixedly connected with sliding sleeve (73) of drive screw (72), the inboard sliding connection of sliding sleeve (73) has card post (74), fixedly connected with sixth spring (75) between card post (74) and sliding sleeve (73), the tip fixedly connected with cooperation head (76) of rocker (41).

4. The long steel pipe end face grinding device according to claim 3, wherein: the end part of the clamping column (74) is of a straight-line structure, and a straight-line groove is formed in one end, close to the clamping column (74), of the matching head (76).

5. The long steel pipe end face grinding device according to claim 1, characterized in that: extrusion structure (5) include grip block (51), the one end of grip block (51) with bear and rotate between seat (1) and be connected, the other end sliding connection of grip block (51) has control block (55), fixedly connected with third spring (57) between control block (55) and grip block (51), the top side fixedly connected with fixture block (56) that bears seat (1), block mutually between tip and fixture block (56) of control block (55), the middle part of grip block (51) is equipped with squeeze roll (52), the tip of squeeze roll (52) is rotated and is connected with and rotates cover (53), rotate the inboard sliding connection of cover (53) and grip block (51), rotate fixedly connected with second spring (54) between the side of cover (53) and grip block (51).

6. The long steel pipe end face grinding device according to claim 1, characterized in that: polishing structure (6) is including axle piece (62), it is connected with axle piece (62) to rotate on bearing seat (1), the side of axle piece (62) is rotated and is connected with polisher body (61), fixedly connected with second worm wheel (65) on axle piece (62), the side meshing of second worm wheel (65) has second worm (64), the middle part fixedly connected with second of second worm (64) is adjusted pole (63), second is adjusted pole (63) and is rotated between bearing seat (1) and be connected.

7. The long steel pipe end face grinding device according to claim 6, wherein: bear the inside sliding connection of seat (1) and have reference column (66), fixedly connected with fourth spring (67) between reference column (66) and the seat (1) of bearing, constant head tank (68) have been seted up to the side of axle piece (62), the tip of reference column (66) is the hemisphere face structure, just the tip of reference column (66) passes through constant head tank (68) and axle piece (62) inconsistent.