CN217194582U

CN217194582U - Surface pretreatment device for processing forged pipe

Info

Publication number: CN217194582U
Application number: CN202123096744.2U
Authority: CN
Inventors: 李正华
Original assignee: Jiangsu Xintailong Pipe Fitting Co ltd
Current assignee: Jiangsu Xintailong Pipe Fitting Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-08-16
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a surface pretreatment device for processing forged pipes, which comprises a cleaning box, a cleaning device, a correcting and conveying device and a rotary polishing device, wherein a feed inlet is arranged on one side of the cleaning box in a penetrating way, a control panel is fixedly embedded on one side of the cleaning box, the surface pretreatment device for processing forged pipes is provided with the correcting and conveying device, a concave wheel is connected with one end of a pipe raw material in a wrapping way in the working process of a second synchronous cylinder controlled by the control panel, then a long shaft motor is controlled to work by the control panel again, the concave wheel is driven to move in the working process of the long shaft motor, the effect of the conveying pipe raw material is achieved in the moving process of the concave wheel, thereby avoiding that one end of the pipe raw material is not only in a suspended state due to no stress supporting point when one end of the pipe raw material penetrates through the cleaning device, and meanwhile one end of the pipe raw material cannot be in contact with the rotary polishing device, one end of the raw material of the tube is sequentially affected by the gravity of the tube to generate the tilting and inclining conditions.

Description

Surface pretreatment device for processing forged pipe fittings

Technical Field

The utility model relates to a forge pipe fitting processing technology field specifically is a forge pipe fitting processing and use surface pretreatment device.

Background

Forged pipe in the pipe manufacturing industry, the broad term "forging" is a broad concept, meaning that pipes, plates and forgings are used as raw materials, the manufacturing method comprises the content of almost all pipe forming procedures, and when specific varieties (including all varieties of socket welding and threaded pipe fittings, branch pipe seats and other pipes needing forging forming, such as thick-wall forged tee joints) are involved, the so-called forging is corresponding to English "formed", that is, the pipe fitting is mainly formed by forging, and a large amount of dust and rust are attached to the surface of the pipe material due to the fact that the pipe material is placed in a warehouse for a long time or is placed outside in the manufacturing process of the forged pipe fitting through the pipe material, and the manufacturing process of the pipe material attached with a large amount of dust not only pollutes the working environment, but also causes the situation that the manufactured forged pipe fitting is also attached with a large amount of rust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a surface pretreatment device is used in processing of forging pipe fitting to it puts through because the pipe raw materials is placed for a long time in warehouse or outside and is leaded to a pipe raw materials surface to adhere to a large amount of dusts and rusts to solve and put forward among the above-mentioned background art, not only pollutes operational environment and still causes the forging pipe fitting that produces to adhere to the problem of a large amount of rusts equally in the pipe raw materials that will adhere to a large amount of dusts in the manufacturing process.

In order to achieve the above object, the utility model provides a following technical scheme: a surface pretreatment device for machining of forged pipes comprises a cleaning box, a cleaning device, a correcting and conveying device and a rotary polishing device, wherein a feed inlet is formed in one side of the cleaning box in a penetrating mode, a discharge outlet is formed in the other side of the cleaning box in a penetrating mode, a through hole is formed in the upper portion of the cleaning box in a penetrating mode, a control panel is fixedly embedded in one side of the cleaning box, conveying device sets are fixedly arranged on two sides of the cleaning box through mounting frames, the conveying device sets are electrically connected with the control panel, and mounting seat sets are fixedly arranged in the cleaning box;

by adopting the technical scheme, the installation seat group is arranged, the effect of bottom fixed connection is achieved through the installation seat group, the effect of fixed connection is also achieved through the upper side of the installation seat group, meanwhile, the effect of stress support fixing is achieved through the installation seat group, 3 groups and 6 groups are sequentially arranged on the installation seat group, and corresponding equipment is auxiliarily fixed inside the cleaning box through the 6 groups arranged on the installation seat group, so that the whole equipment is in an integrated and integrated state, meanwhile, the installation distance of the installation seat group is 15cm, and the situation that the distribution and the attractiveness of the corresponding equipment installed inside the cleaning box are affected due to the fact that the installation distance of the installation seat group is too short is sequentially avoided;

the cleaning device is arranged on one side inside the cleaning box;

the straightening and conveying device is arranged on one side of the cleaning device;

the rotary polishing device is arranged on the other side inside the cleaning box.

Preferably, the cleaning device comprises a first mounting ring, a first synchronous cylinder, a first arc-shaped plate and an arc-shaped cleaning brush, wherein the first mounting ring penetrates through the through groove, one end of the first synchronous cylinder penetrates through the through groove and is fixedly connected with one side of the first arc-shaped plate, the other side of the first arc-shaped plate is fixedly connected with one side of the arc-shaped cleaning brush, the first mounting ring is mounted on one side of the inner portion of the cleaning box through a mounting base set, and the first synchronous cylinder is electrically connected with the control panel.

Through adopting above-mentioned technical scheme, be equipped with first arc, not only play two-way fixed connection's effect through first arc to thereby play the effect that the atress drove through first arc, thereby play the effect that relative motion adjusted simultaneously through first arc in proper order, thereby reach the effect of clearance through adjusting the convenient pipe raw materials of different diameters of inner ring diameter between the first arc once more.

Preferably, the correcting and conveying device comprises a second mounting ring, a second synchronous cylinder, a concave wheel mounting seat, a long shaft motor and a concave wheel, wherein the second mounting ring penetrates through the second mounting ring to be provided with a connecting groove, one end of the second synchronous cylinder penetrates through the connecting groove and is fixedly connected with one end of the concave wheel mounting seat, one end of the long shaft motor penetrates through the concave wheel mounting seat and the concave wheel and is rotatably connected with one side of the inner wall of the concave wheel mounting seat, the second mounting ring is mounted on one side of the cleaning device through the mounting seat set, and the second synchronous cylinder and the long shaft motor are both electrically connected with the control panel.

Through adopting above-mentioned technical scheme, be equipped with the synchronous cylinder of second, not only play through connection's effect through the synchronous cylinder one end of second to play fixed connection's effect equally through the synchronous cylinder one end of second, play the effect that the atress drove and fixed connection simultaneously through the synchronous cylinder one end of second in proper order.

Preferably, the rotary polishing device comprises a third mounting ring, a third synchronous cylinder, a second arc-shaped plate, a polishing sheet, a connecting cylinder, a connecting bearing, a driven pulley, a synchronous motor, a driving pulley and a belt, wherein a movable groove is formed in the third mounting ring in a penetrating manner, one end of the third synchronous cylinder penetrates through the movable groove and is fixedly connected with one side of the second arc-shaped plate, the other side of the second arc-shaped plate is connected with the polishing sheet through a magic tape set, the third mounting ring is fixedly connected with an inner ring of the connecting cylinder through a mounting column, an outer ring of the connecting cylinder penetrates through and is fixedly connected with an inner ring of the connecting bearing, two ends of the connecting cylinder penetrate through and is fixedly connected with an inner ring of the driven pulley, an outer ring of the connecting bearing is fixedly connected with the other side of the cleaning box through a mounting seat set, one end of the synchronous motor is fixedly connected with the driving pulley, and the synchronous motor is mounted on one side above the cleaning box, the belt passes through the through-hole and is connected with drive pulley and driven pulley parcel, third synchronous cylinder and synchronous machine all with control panel electric connection.

Through adopting above-mentioned technical scheme, be equipped with magic subsides group, paste the group through the magic and be connected with polishing piece and second arc respectively, so not only make things convenient for the piece of polishing to be connected with the second arc fast, thereby the polishing piece that still facilitates the use many times separates the convenient renewal piece of polishing with the second arc and polishes the use, avoid polishing piece and second arc to carry out fixed connection in proper order, lead to using the condition that the rust on pipe raw materials surface can't thoroughly polish of the piece of polishing many times.

Preferably, the first mounting ring, the first synchronous cylinder, the first arc-shaped plate and the arc-shaped cleaning brush form a relative synchronous telescopic mechanism, and the relative synchronous telescopic distance range of the relative synchronous telescopic mechanism is 0-20 cm.

Through adopting above-mentioned technical scheme, be equipped with first synchronizing cylinder, play through connection's effect equally through first synchronizing cylinder one end to play fixed connection's effect equally through first synchronizing cylinder one end, play the effect that the atress drove and fixed connection in proper order through first synchronizing cylinder one end simultaneously.

Preferably, the synchronous motor, the driving belt pulley, the belt, the third mounting ring, the third synchronous cylinder, the second arc-shaped plate, the polishing plate, the connecting cylinder and the connecting bearing form a rotating mechanism, and the rotating angle range of the rotating mechanism is 0-360 degrees.

Through adopting above-mentioned technical scheme, be equipped with the connection bearing, not only play inner and outer loop fixed connection's effect through the connection bearing to thereby play inner ring through connection bearing's effect, thereby play rotatory atress drive effect through the connection bearing inner ring simultaneously, loop through the effect that connection bearing played fixed stay.

Compared with the prior art, the beneficial effects of the utility model are that: the surface pretreatment device for processing the forged pipe fitting,

(1) is provided with a conveying device group and a cleaning device, the tube raw material is manually placed in the conveying device group, at the moment, the conveying device group drives one end of the tube raw material to enter the cleaning box, when one end of the pipe raw material is close to the first mounting ring, the control panel drives the first synchronous cylinder to work, the arc-shaped cleaning brush is driven to move in the same direction during the working process of the first synchronous cylinder, the first synchronous cylinder stops working when one end of the pipe raw material is in contact with the arc-shaped cleaning brush, the other end of the tube raw material is continuously moved to one side of the interior of the cleaning box by the continuous driving force of the conveying device group, the dust on the surface of the tube raw material is cleaned in the relative movement process of the tube raw material and the arc cleaning brush, therefore, the condition that the working environment is polluted by a large amount of dust attached to the surface of the tube raw material in the manufacturing process of the tube raw material with the large amount of dust because the tube raw material is placed in a warehouse for a long time or is externally arranged is avoided;

(2) the pipe material grinding device is provided with a rotary grinding device, the work of a third synchronous cylinder is controlled through a control panel, the third synchronous cylinder drives a grinding sheet to move in the same direction, the third synchronous cylinder stops working when the grinding sheet is in wrapping contact with one end of a pipe material, and a synchronous motor is controlled to work, the synchronous motor drives a connecting cylinder to move in a rotating process, the connecting cylinder drives the grinding sheet to move in a relative rotating process with one end of the pipe material, and the grinding sheet in the rotating process grinds rust attached to the surface of one end of the pipe material, so that the problem that a large amount of rust is attached to the surface of the pipe material due to the fact that the pipe material is placed in a warehouse for a long time or is attached to the surface of the pipe material due to the fact that a large amount of rust is attached to a manufactured forged pipe fitting in the manufacturing process of the pipe material attached with the large amount of rust is solved;

(3) be provided with and correct conveyor, through the work of control panel control second synchronous cylinder, make concave wheel and pipe raw materials one end wrap up in the synchronous cylinder working process of second and be connected, after that through the work of control panel control major axis motor once more, drive concave wheel motion in the major axis motor working process, through the effect that reaches the conveyer pipe raw materials in the concave wheel motion process, thereby not only do not have the atress strong point when avoiding managing raw materials one end to run through cleaning device and still cause pipe raw materials one end to be in unsettled state, lead to managing raw materials one end not only can't contact with rotatory grinding device simultaneously, cause pipe raw materials one end to receive the circumstances that self gravity influences the perk and slope to appear in proper order.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic structural view of the cleaning device of the present invention;

FIG. 3 is a schematic structural view of the straightening and conveying device of the present invention;

FIG. 4 is a schematic structural view of a third mounting ring, a connecting cylinder, a connecting bearing and a driven pulley of the present invention;

fig. 5 is a schematic view of the structure of the synchronous motor, the connecting cylinder and the connecting bearing of the present invention.

In the figure: 1. cleaning box, 2, conveying device group, 3, mounting seat group, 4, cleaning device, 401, first mounting ring, 402, first synchronous cylinder, 403, first arc-shaped plate, 404, arc-shaped cleaning brush, 5, straightening conveying device, 501, second mounting ring, 502, second synchronous cylinder, 503, concave wheel mounting seat, 504, long shaft motor, 505, concave wheel, 6, rotary grinding device, 601, third mounting ring, 602, third synchronous cylinder, 603, second arc-shaped plate, 604, grinding sheet, 605, connecting cylinder, 606, connecting bearing, 607, driven pulley, 608, synchronous motor, 609, driving pulley, 610 and belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a surface pretreatment device for processing forged pipes is shown in figure 1, wherein a feed inlet is arranged on one side of a cleaning box 1 in a penetrating way, a discharge outlet is arranged on the other side of the cleaning box 1 in a penetrating way, meanwhile, a through hole is arranged on the upper part of the cleaning box 1 in a penetrating way, a control panel is embedded and fixed on one side of the cleaning box 1, and the two sides of the cleaning box 1 are fixed with a conveying device group 2 through a mounting rack, the conveying device group 2 is electrically connected with a control panel, a mounting seat group 3 is fixed in the cleaning box 1, the conveying device group 2 is driven to work through the control panel, the conveying device group 2 not only has the effect of conveying feeding materials in the working process, thereby play the effect of carrying the ejection of compact through conveyor group 2 working process, realize the effect of a pipe raw materials semi-automatization feeding and the ejection of compact through conveyor group 2 simultaneously, not only improve defeated material efficiency like this and still avoid the manual condition of continuous defeated material.

As shown in figure 2, the cleaning device 4 is installed at one side inside the cleaning box 1, and the cleaning device 4 comprises a first installation ring 401, a first synchronous cylinder 402, a first arc-shaped plate 403 and an arc-shaped cleaning brush 404, a through groove is formed in the first installation ring 401 in a penetrating way, one end of the first synchronous cylinder 402 penetrates through the through groove and is fixedly connected with one side of the first arc-shaped plate 403, the other side of the first arc-shaped plate 403 is fixedly connected with one side of the arc-shaped cleaning brush 404, the first installation ring 401 is installed at one side inside the cleaning box 1 through an installation seat group 3, the first synchronous cylinder 402 is electrically connected with a control panel, the first installation ring 401, the first synchronous cylinder 402, the first arc-shaped plate and the arc-shaped cleaning brush 404 form a relative synchronous telescopic mechanism, the relative synchronous telescopic distance range of the relative synchronous telescopic mechanism is 0-20cm, the first synchronous cylinder 402 is controlled to work through the control panel, the first synchronous cylinder 402 drives the first arc-shaped plate 403 to move in the working process, first arc 403 drives arc cleaning brush 404 syntropy in the motion process to first arc 403 motion in-process and first collar 401 relative motion, first synchronizing cylinder 402 is in the initial motion state when whole relatively synchronous telescopic machanism is in 0cm this moment, thereby make things convenient for the great pipe raw materials of diameter to carry the clearance, first synchronizing cylinder 402 is in the biggest distance state of stretching when whole relatively synchronous telescopic machanism is in 20cm, thus make things convenient for the less pipe raw materials of diameter to clear up both can.

As shown in fig. 3, the straightening and conveying device 5 is installed at one side of the cleaning device 4, and the straightening and conveying device 5 includes a second installation ring 501, a second synchronization cylinder 502, a concave wheel installation seat 503, a long shaft motor 504 and a concave wheel 505, the second installation ring 501 is provided with a connection groove in a penetrating way, one end of the second synchronization cylinder 502 is fixedly connected with one end of the concave wheel installation seat 503 in a penetrating way, one end of the long shaft motor 504 is connected with one side of the inner wall of the concave wheel installation seat 503 in a penetrating way through the concave wheel installation seat 503 and the concave wheel 505 in a rotating way, the second installation ring 501 is installed at one side of the cleaning device 4 through the installation seat group 3, the second synchronization cylinder 502 and the long shaft motor 504 are both electrically connected with the control panel, the second synchronization cylinder 502 is controlled by the control panel to work, the concave wheel installation seat 503 is driven to move during the work, and the long shaft motor 504 and the concave wheel 505 are driven to move in the same direction during the movement of the concave wheel installation seat 503, stop the work of second synchro cylinder 502 often when concave wheel 505 and the contact of pipe raw materials one end, and control long axis motor 504 work, it continuously carries out the conveying motion to drive pipe raw materials one end through concave wheel 505 in the long axis motor 504 working process, thereby carry out spacing transport and spacing centre gripping to pipe raw materials one end through concave wheel 505 to the pipe raw materials one end contact and relative motion in-process, avoid pipe raw materials one end to be in the slope and the state of rocking simultaneously, influence pipe raw materials one end in proper order and carry out the condition of through contact with rotatory grinding device 6.

As shown in fig. 4 and fig. 5, the rotary polishing device 6 is installed at the other side inside the cleaning box 1, and the rotary polishing device 6 includes a third installation ring 601, a third synchronous cylinder 602, a second arc-shaped plate 603, a polishing sheet 604, a connection cylinder 605, a connection bearing 606, a driven pulley 607, a synchronous motor 608, a driving pulley 609 and a belt 610, the third installation ring 601 has a movable slot, one end of the third synchronous cylinder 602 passes through the movable slot and is fixedly connected with one side of the second arc-shaped plate 603, the other side of the second arc-shaped plate 603 is connected with the group polishing sheet 604 through a magic tape, the third installation ring 601 is fixedly connected with the inner ring of the connection cylinder 605 through a mounting post, the outer ring of the connection cylinder 605 passes through the inner ring of the connection bearing 606 and is fixedly connected, the two ends of the connection cylinder 605 passes through the inner ring of the driven pulley 607 and is fixedly connected with the outer ring of the connection bearing 606 and is fixedly connected with the other side inside the cleaning box 1 through the mounting seat group 3, one end of a synchronous motor 608 is fixedly connected with a driving pulley 609, the synchronous motor 608 is installed on one side above the cleaning box 1, a belt 610 is connected with the driving pulley 609 and a driven pulley 607 in a wrapping mode through a through hole, a third synchronous cylinder 602 and the synchronous motor 608 are both electrically connected with a control panel, the synchronous motor 608, the driving pulley 609, the belt 610, a third installation ring 601, a third synchronous cylinder 602, a second arc-shaped plate 603, a polishing sheet 604, a connecting cylinder 605 and a connecting bearing 606 form a rotating mechanism, the rotating angle range of the rotating mechanism is 0-360 degrees, the synchronous motor 608 is controlled to work through the control panel, the belt 610 is driven to move by the driving pulley 609 in the working process of the synchronous motor 608, the connecting cylinder 605 is driven by the belt 610 to move, and meanwhile, the inner ring of the connecting bearing 606 and the third installation ring 601 are driven to move in the same direction in the moving process of the connecting cylinder 605, the second arc-shaped plate 603 and the polishing plate 604 are driven to rotate in the same direction through the third synchronous cylinder 602 in the rotating motion process of the third mounting ring 601 in sequence, and thus one end of the tube raw material is rotated and comprehensively polished in the rotating motion process of the second arc-shaped plate 603 and the polishing plate 604, the connection between parts of the integral rotating mechanism is simple and clear, and meanwhile, the integral rotating mechanism is convenient to adjust and operate.

The working principle is as follows: in the surface pretreatment device for processing the forged pipe, a first synchronous cylinder 402, a second synchronous cylinder 502 and a third synchronous cylinder 602 are respectively controlled to work manually through a control panel to adjust the diameter size of the corresponding pipe raw material, when the first synchronous cylinder 402 works, a first arc-shaped plate 403 is driven to move, an arc-shaped cleaning brush 404 is driven to move in the same direction during the movement of the first arc-shaped plate 403, the first arc-shaped plate 403 moves relative to a first mounting ring 401 during the movement of the first arc-shaped plate, when the first arc-shaped plate 403 is adjusted to have the corresponding diameter, the first synchronous cylinder 402 stops working, a concave wheel mounting seat 503 is driven to move during the working of the second synchronous cylinder 502, a long shaft motor 504 and a concave wheel 505 are driven to move in the same direction during the movement of the concave wheel mounting seat 503, the concave wheel mounting seat 503 moves relative to the second mounting ring 501 during the movement of the second synchronous cylinder 502, and when the concave wheel 505 is adjusted to have the corresponding diameter, the second synchronous cylinder 502 stops working, the third synchronous cylinder 602 drives the polishing disc 604 to move through the second arc-shaped plate 603 during the working process, when the polishing disc 604 is adjusted to a corresponding diameter, the third synchronous cylinder 602 stops working, the conveying device group 2, the long-axis motor 504 and the synchronous motor 608 are controlled to work through the control panel again, then the tube raw material is manually placed on the conveying device group 2, the tube raw material is conveyed into the cleaning box 1 through the conveying device group 2, one end of the tube raw material entering the cleaning box 1 penetrates through the first mounting ring 401 to be cleaned, one end of the cleaned tube raw material penetrates through the second mounting ring 501 and moves towards the direction of the third mounting ring 601 under the influence of the rotation of the concave wheel 505, the synchronous motor 608 drives the belt 610 to move through the driving pulley 609 during the working process, the belt 610 drives the connecting cylinder 605 to move through the driven pulley 607, and simultaneously drives the inner ring of the connecting bearing 606 and the third mounting ring 601 to move in the same direction during the moving process of the connecting cylinder 605, the second arc-shaped plate 603 and the polishing plate 604 are driven to rotate in the same direction through the third synchronous cylinder 602 in the rotating motion process of the third mounting ring 601 in sequence, one end of the contacted pipe raw material is rotated and comprehensively polished in the rotating motion process of the second arc-shaped plate 603 and the polishing plate 604, and the pipe raw material is discharged through the other conveying device group 2 after being polished, so that the whole operation is completed, and the content which is not described in detail in the specification belongs to the prior art which is known by the technicians in the field.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations or positional relationships illustrated in the drawings, and are used merely to simplify the description of the present disclosure, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present disclosure.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a forge pipe fitting processing and use surface pretreatment device, includes cleaning box (1), cleaning device (4), corrects conveyor (5) and rotatory grinding device (6), its characterized in that:

a feed inlet is formed in one side of the cleaning box (1) in a penetrating mode, a discharge outlet is formed in the other side of the cleaning box (1) in a penetrating mode, a through hole is formed in the upper portion of the cleaning box (1) in a penetrating mode, a control panel is fixedly embedded in one side of the cleaning box (1), conveying device sets (2) are fixed to the two sides of the cleaning box (1) through mounting frames, the conveying device sets (2) are electrically connected with the control panel, and mounting seat sets (3) are fixed inside the cleaning box (1);

the cleaning device (4) is arranged on one side inside the cleaning box (1);

the correcting and conveying device (5) is arranged on one side of the cleaning device (4);

the rotary grinding device (6) is arranged on the other side inside the cleaning box (1).

2. The surface preparation device for forged pipe machining according to claim 1, wherein: cleaning device (4) including first collar (401), first synchronizing cylinder (402), first arc (403) and arc cleaning brush (404), logical groove has been seted up in running through of first collar (401), first synchronizing cylinder (402) one end runs through logical groove and first arc (403) one side fixed connection, first arc (403) opposite side and arc cleaning brush (404) one side fixed connection, install in the inside one side of cleaning case (1) through mount pad group (3) first collar (401), first synchronizing cylinder (402) and control panel electric connection.

3. The surface pretreatment device for forged pipe machining according to claim 1, wherein: the correcting and conveying device (5) comprises a second mounting ring (501), a second synchronous cylinder (502), a concave wheel mounting seat (503), a long shaft motor (504) and a concave wheel (505), wherein the second mounting ring (501) penetrates through a connecting groove, one end of the second synchronous cylinder (502) penetrates through the connecting groove and is fixedly connected with one end of the concave wheel mounting seat (503), one end of the long shaft motor (504) penetrates through the concave wheel mounting seat (503) and the concave wheel (505) and is rotatably connected with one side of the inner wall of the concave wheel mounting seat (503), the second mounting ring (501) is mounted on one side of the cleaning device (4) through a mounting seat set (3), and the second synchronous cylinder (502) and the long shaft motor (504) are both electrically connected with a control panel.

4. The surface preparation device for forged pipe machining according to claim 1, wherein: the rotary grinding device (6) comprises a third mounting ring (601), a third synchronous cylinder (602), a second arc-shaped plate (603), a grinding sheet (604), a connecting cylinder (605), a connecting bearing (606), a driven pulley (607), a synchronous motor (608), a driving pulley (609) and a belt (610), wherein a movable groove is formed in the third mounting ring (601) in a penetrating manner, one end of the third synchronous cylinder (602) penetrates through the movable groove and is fixedly connected with one side of the second arc-shaped plate (603), the other side of the second arc-shaped plate (603) is connected with the grinding sheet (604) through a magic tape set, the third mounting ring (601) is fixedly connected with an inner ring of the connecting cylinder (605) through a mounting column, an outer ring of the connecting cylinder (605) penetrates through the inner ring of the connecting bearing (606) and is fixedly connected with the inner ring of the connecting cylinder (605), and two ends of the connecting cylinder (605) penetrate through the inner ring of the driven pulley (607) and are fixedly connected with the inner ring of the connecting cylinder (607), the cleaning device is characterized in that the outer ring of the connecting bearing (606) is fixedly connected with the other side of the interior of the cleaning box (1) through the mounting seat group (3), one end of the synchronous motor (608) is fixedly connected with the driving belt pulley (609), the synchronous motor (608) is installed on one side above the cleaning box (1), the belt (610) is connected with the driving belt pulley (609) and the driven belt pulley (607) in a wrapping mode through a through hole, and the third synchronous cylinder (602) and the synchronous motor (608) are both electrically connected with the control panel.

5. The surface preparation device for forged pipe machining according to claim 2, wherein: the first mounting ring (401), the first synchronous cylinder (402), the first arc-shaped plate (403) and the arc-shaped cleaning brush (404) form a relative synchronous telescopic mechanism, and the relative synchronous telescopic distance range of the relative synchronous telescopic mechanism is 0-20 cm.

6. The surface preparation device for forged pipe machining according to claim 4, wherein: the synchronous motor (608), the driving belt pulley (609), the belt (610), the third mounting ring (601), the third synchronous cylinder (602), the second arc-shaped plate (603), the polishing sheet (604), the connecting cylinder (605) and the connecting bearing (606) form a rotating mechanism, and the rotating angle range of the rotating mechanism is 0-360 degrees.