CN202824782U - Edge milling machine for back chipping of circular seam of pipe - Google Patents

Edge milling machine for back chipping of circular seam of pipe Download PDF

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Publication number
CN202824782U
CN202824782U CN 201220496195 CN201220496195U CN202824782U CN 202824782 U CN202824782 U CN 202824782U CN 201220496195 CN201220496195 CN 201220496195 CN 201220496195 U CN201220496195 U CN 201220496195U CN 202824782 U CN202824782 U CN 202824782U
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CN
China
Prior art keywords
main shaft
lathe bed
shaft
assembly
base
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Withdrawn - After Issue
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CN 201220496195
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Chinese (zh)
Inventor
陆松茂
邵燕瑛
薛静清
蒋建新
周冰峰
周敏铨
武文
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Wuxi Hualian Science and Technology Group Co Ltd
Wuxi Hualian Precision Machinery Co Ltd
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Wuxi Hualian Precision Machinery Co Ltd
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Priority to CN 201220496195 priority Critical patent/CN202824782U/en
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Publication of CN202824782U publication Critical patent/CN202824782U/en
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Abstract

The utility model relates to an edge milling machine for back chipping of a circular seam of a pipe, which is mainly characterized in that an adjustable base component is arranged below a lathe component; a power assembly reduction box transmission component is mounted on a horizontal numerical control slipway of an axial movement resisting structure of a main shaft; a horizontal adjusting slipway in the axial movement resisting structure of the main shaft is connected with a main shaft seat of a main shaft member by a hexagonal screw; an axial detection tracking mechanism and a radial detection tracking mechanism are respectively connected with a lathe bed of the lathe body component with bolts by support bars; a main shaft facing cutter is mounted on the main shaft of the main shaft member; a main shaft sleeve of the main shaft member is provided with a main shaft facing cutter scrap shielding cover structure; the hoisting structure is mounted at the end part of the lathe bed of the lathe component; a shoving and conveying structure is arranged on the lathe bed of the lathe component; an electric control cabinet is mounted at one end of the lathe bed of the lathe component with a bracket; and an electric control system is arranged in the electric control cabinet. The edge milling machine disclosed by the utility model has the characteristics of being quick and efficient in machining and increasing the production efficiency, simultaneously can greatly reduce filler content in welding and reduce the workload of edge preparation and welding, and greatly reduces environmental pollution.

Description

Pipe circumferential weld back chipping edge milling machines
Technical field
The utility model relates to a kind of pipe circumferential weld back chipping edge milling machines, is used for back chipping and the groove processing of steel pipe circular seam, belongs to the special mechanical equipment technical field.
Technical field
Circumferential weld back chipping edge milling machines is used for back chipping and the groove processing of steel pipe circular seam, has been widely used in industries such as large-scale tubulation industry, the manufacturing of wind tower, pile foundation manufacturing, pressure vessel manufacturings.In prior art, be used for the back chipping of steel pipe circular seam and the legacy equipment of groove processing, groove adds the heat that produces man-hour and can take away along with iron filings; But when the follow-up welding of groove, groove loading when welding in order to reduce, the workload that reduces groove processing and weld, the processing request of groove is relatively strict, need to have the bright surface of cleaning, and geometry also needs all-the-time stable.
Owing to needing the diameter of steel tube of processing different, require to adjust the edge milling machines height, make cutterhead and steel pipe center line and horizontal level angle within certain scope.
Common drive disk assembly can make the vibration of motor and reduction box be delivered on the facing cutter in use, can be to the cutterhead injury.
Mainshaft mechanism is key feature, and it directly embodies precision and the performance of this equipment.Work in-process, the facing cutter of use all are smaller, and straight warp is a key technology at its main axle structure of the facing cutter more than 600 millimeters.The general aspect such as the arrangement form of its main shaft, adjustment mode, manufacturability all are irrational, can produce inevitably the milling vibration in milling process, the form and dimensional precision of milling face in the time of can not guaranteeing the workpiece milling.
In conventional machining process, need to locate anti-vibration between the connector, generally all be to adopt the alignment pin location, because limited location, the installation alignment pin of can't holing, easy vibration between the parts.Easy damage equipment in the process of handling; But also have scrap iron from splashing, to operator's safety generation threat, flying chip easily makes ground dirty and messy.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby a kind of pipe circumferential weld back chipping edge milling machines is provided, and this edge milling machines is adding man-hour, the external stress that workpiece does not produce because of heat, the heat that groove processing produces can be taken away with iron filings the iron filings recoverable; Has smooth and flawless finished surface; Need not to test or follow-up work for the treatment of groove geometry all-the-time stable; Significantly reduce the welding loading, reduce the workload of groove processing and welding; Greatly reduce environmental pollution; And also have reliability, precision is high, easy to operate, Technological adaptability is strong, production efficiency is high, the cost performance advantages of higher.
According to the technical scheme that the utility model provides, the described complete machine of pipe circumferential weld back chipping edge milling machines comprise electric control system, lathe bed assembly, adjustable base assembly, axially detect follower, radially detect follower, power assembly reduction box assembly, spindle unit, main shaft facing cutter gear bits cover structure, the anti-vibration structure of main shaft, hoisting structure, scraper structure and main shaft facing cutter; Described adjustable base assembly is arranged at below the lathe bed assembly; Power assembly reduction box transmission component is installed on the horizontal nc sliding table of the anti-vibration structure of main shaft; Spindle unit main spindle multiple spline part and the output shaft splined section engagement in the power assembly reduction box assembly transmission of moving, laterally adjusting slide unit in the anti-vibration structure of main shaft links to each other by soket head cap screw with the spindle unit spindle drum, described axial detection follower, radially detect follower and linked to each other with the horizontal nc sliding table of lathe bed assembly by bolt by support bar respectively, axially detect follower in the milling process, radially detect follower axially and radially following the tracks of respectively of workpiece detected; The main shaft facing cutter is installed on the main shaft of spindle unit, at the collar bush of spindle unit main shaft facing cutter gear bits cover structure is installed and is covered cutterhead; Described hoisting structure is installed in the lathe bed end of lathe bed assembly; Lathe bed at the lathe bed assembly is provided with the scraper structure, and electrical control cubicles is installed in lathe bed one end of lathe bed assembly by support, electric control system is housed in the electrical control cubicles.
As further improvement of the utility model, described lathe bed assembly comprises lathe bed, driving reductor, shaft coupling, ball-screw, vertical slide unit, screw, line slideway, electrical control cubicles mounting bracket, protection telescopic cover; Described lathe bed is formed by Plate Welding, the internal cavities concrete perfusion, drive reductor and connect ball-screw by shaft coupling, described shaft coupling drives the ball-screw rotation, be mounted on vertical slide unit bottom on the ball-screw, drive vertical slide unit by screw and vertically move along line slideway, the protection telescopic cover is installed on the lathe bed, the electrical control cubicles mounting bracket is installed on the lathe bed.
As further improvement of the utility model, described adjustable base assembly comprises lower bottom base, upper bed-plate, positioning seat, adjusting bolt, pressing plate and hold-down bolt; The adjustable base assembly is arranged at below the lathe bed, and described lower bottom base and upper bed-plate are bolted and are unsplit bedplate; At unsplit bedplate positioning seat and pressing plate are installed; Adjust the perpendicularity of main frame and workpiece by adjusting bolt, by hold-down bolt main frame is fixed with pressing plate.
As further improvement of the utility model, described axial detection follower comprises support bar, joint, mounting rod, earrings, clip, sensor mount and Eddy current displacement sensor; Two support bars link to each other with circumferential weld back chipping edge milling machines lathe bed by bolt, mounting rod links to each other with support bar by joint, in the mounting rod end earrings is housed, described earrings links to each other with clip, two sensor frames are installed on clip, and two Eddy current displacement sensors are installed in respectively on two sensor mounts.
As further improvement of the utility model, the described follower that radially detects comprises support bar, joint, mounting rod, earrings, sensor mount and 2D laser displacement sensor; Two support bars link to each other with circumferential weld back chipping edge milling machines lathe bed by bolt, and mounting rod links to each other with support bar by joint, in the mounting rod end earrings is housed, and earrings links to each other with sensor mount, and the 2D laser displacement sensor is installed on the sensor mount.
As further improvement of the utility model, described power assembly reduction box assembly comprises main shaft, helical gear deceleration case and direct current generator; The ring flange of described direct current generator is installed on the casing with helical gear deceleration case with bolt, the direct current generator main shaft stretches in the helical gear deceleration box body, be connected with the first power shaft, the one-level pinion is housed on the first power shaft, with the one-level gear wheel engagement that is contained on the first power transmission shaft, secondary pinion on the first power transmission shaft and the secondary gear wheel engagement that is contained on the second driving shaft, three grades of pinions on the second driving shaft mesh with three grades of gear wheels that are contained on the 3rd power transmission shaft, level Four pinion on the 3rd power transmission shaft and the engagement of the level Four gear wheel on the second output shaft, drive the rotation of the second output shaft, main shaft stretches into and passes through the spline transferring power in the second output shaft, finally is with the movable knife disc rotation.
As further improvement of the utility model, described spindle unit comprises main shaft facing cutter, driving key, adjusting bolt, main shaft protecgulum, the first conical bore double row cylindrical roller, thrust ball bearing, main shaft, the first locking nut, spacer, the second locking nut, the 3rd locking nut, cover, the second conical bore double row cylindrical roller, the 4th locking nut, main shaft bonnet, lubricating oil pipe joint, felt collar, sleeve, felt collar and spindle drum; Described main shaft facing cutter and main shaft are bolted, and locate with driving key, at main shaft spacer is housed, sleeve, cover reaches by being set with the first locking nut, the second locking nut, the 3rd locking nut, the 4th locking nut, be respectively fitted with the first conical bore double row cylindrical roller and the second conical bore double row cylindrical roller at the main shaft two ends, the first conical bore double row cylindrical roller and the second conical bore double row cylindrical roller are installed in the dead eye of spindle drum of main spindle box, and described the first conical bore double row cylindrical roller relies on sleeve and spacer adjusting play; Sleeve is regulated with adjusting bolt, and spacer is regulated with the second locking nut; Supporting two thrust ball bearings in the first conical bore double row cylindrical roller place are installed on the spacer, and rely on the first locking nut to adjust thrust ball bearing end play, at main shaft one end felt collar, main shaft protecgulum are installed, and the main shaft protecgulum cooperates installation with felt collar; At the main shaft other end main shaft bonnet and felt collar are installed; The lubricating oil pipe joint is installed in respectively on main shaft protecgulum and the main shaft bonnet, is used for the bearing apply oil.
Described main shaft input end arranges promising spline structure, with reduction box inner spline housing engaged transmission, and slides, by the milling depth of drive mechanism control facing cutter.
As further improvement of the utility model, described facing cutter gear bits cover structure comprises fixed cover, sliding closure, main shaft facing cutter, screw, iron filings collection dolly and screw; Described sliding closure is connected screw and nut with fixed cover and connects, and sliding closure is slidably regulated the scope of case, and fixed cover is fixed by screws in and covers the main shaft facing cutter on the collar bush, and iron filings are collected dolly and are placed in main shaft facing cutter below.
As further improvement of the utility model, the anti-vibration structure of described main shaft comprises horizontal adjustment slide unit, located lateral key, spindle unit and longitudinal register key; Described horizontal adjustment slide unit surface offers horizontal keyway, and spindle unit spindle drum bottom surface opposite position offers vertical keyway, and the located lateral key is installed in the described horizontal keyway, and the longitudinal register key is installed in described vertical keyway; When spindle unit with laterally adjust slide unit and be connected after, the located lateral key prevents the vertical vibration of spindle unit, the longitudinal register key prevents the horizontal vibration of spindle unit.
As further improvement of the utility model, described hoisting structure comprises the first hanger, base, the second hanger, hexagon socket head cap screw, base shackle shaft and cover plate; Described the first hanger is fixed on an end of base, is welded with the base shackle shaft at the other end of base, and the second hanger is connected with the base shackle shaft, and cover plate is fixed on the base shackle shaft by soket head cap screw, prevents that the second hanger breaks away from the base shackle shaft.
As further improvement of the utility model, described scraper structure comprises base, scraper hole left plate, scraper hole right plate, scraper hole top board.Weld respectively scraper hole left plate and scraper hole right plate on the described base, described scraper hole top board and scraper hole left plate and the welding of scraper hole right plate are integrally formed.
Compared with the prior art the utility model has the following advantages:
The utility model milling process has tracking detection unit that axially and radially following the tracks of respectively of workpiece detected.Follow the tracks of detection about using laser detection mechanism to butt weld, guarantee that milling overall process facing cutter remains on pipe abutment joint centre position; Use two cover trackers on the facing cutter both sides surface of the work to be followed the tracks of detection, guarantee that groove depth is consistent; Main frame is installed is furnished with the adjustable base assembly, adjusts the perpendicularity of main frame and workpiece, guarantees that facing cutter is vertical with workpiece, and this base can divide two-layer being used singly or in combination.Described main frame has fast and efficiently processing, greatly reduces labor strength, has improved production efficiency; The external stress that does not produce because of heat, the heat that groove processing produces can be taken away with iron filings the iron filings recoverable; Has smooth and flawless finished surface; Need not to test or follow-up work for the treatment of groove geometry all-the-time stable; Significantly reduce the welding loading, reduce the workload of groove processing and welding; Greatly reduce environmental pollution.
Description of drawings
Fig. 1 is the utility model structural front view.
Fig. 2 is the utility model structure top view.
Fig. 3 is the utility model structure left view.
Fig. 4 is the utility model lathe bed modular construction front view.
Fig. 5 is the utility model lathe bed modular construction top view.
Fig. 6 is the utility model base assembly structural front view.
Fig. 7 is the utility model base assembly structure left view.
Fig. 8 is that the utility model axially detects the follower schematic diagram.
Fig. 9 is that the utility model radially detects the follower schematic diagram.
Figure 10 is the utility model reduction box transmission component structural representation.
Figure 11 is the utility model gearbox structure schematic diagram.
Figure 12 is the utility model main axle structure schematic diagram.
Figure 13 is the front view of the utility model milling cover structure.
Figure 14 is the left view of the utility model milling cover structure.
Figure 15 is the anti-vibration structural front view of the utility model main shaft.
Figure 16 is the anti-vibration structure left view of the utility model main shaft.
Figure 17 is the front view of the utility model hoisting structure.
Figure 18 is the left view of the utility model hoisting structure.
Figure 19 is the scraper structural front view of the utility model base.
Figure 20 is the scraper structure top view of the utility model base.
Figure 21 is the utility model circuit frame principle figure.
The specific embodiment
Following the utility model is further described in connection with the embodiment in the accompanying drawing:
Such as Fig. 1~shown in Figure 3, comprise pipe circumferential weld back chipping edge milling machines comprise electrical control cubicles 1, lathe bed assembly 2, adjustable base assembly 3, axially detect follower 4, radially detect follower 5, power assembly reduction box transmission component 6, spindle unit 7, facing cutter gear bits cover structure 8, main shaft anti-vibration structure 9, hoisting structure 10 and scraper structure 11 etc.
Described complete machine is in order to process the pipe circumferential weld of different-diameter, and complete machine is furnished with adjustable base assembly 3, and adjustable base assembly 3 is arranged at lathe bed assembly 2 downsides; Line slideway auxiliary, ball screw assembly, are installed on the lathe bed assembly 2 are made in the anti-vibration structure 9 of main shaft and laterally adjust the slide unit side-to-side movement, power assembly reduction box transmission component 6 is installed on the horizontal nc sliding table of the anti-vibration structure 9 of main shaft by contour pad; Spindle unit 7 main spindle multiple splines parts and the output shaft splined section engagement in the power assembly reduction box assembly 6 transmission of moving, laterally adjusting slide unit 9-1 in the anti-vibration structure 9 of main shaft links to each other by soket head cap screw with spindle unit 7 spindle drums, the cross key longitudinal key can prevent the horizontal or vertical vibration of main shaft in the anti-vibration structure 9 of main shaft, the drive spindle unit 7 mounted thereto that seesaws of laterally adjusting slide unit in the anti-vibration structure 9 of main shaft seesaws, axially detect follower 4, radially detecting follower 5 is linked to each other by the lathe bed of bolt with lathe bed assembly 2 by support bar, in order to guarantee the precision of the outer circumferential weld of steel pipe, axially detect follower 4 in the milling process, radially detecting axially and radially following the tracks of respectively of 5 pairs of workpiece 12 of follower detects; Main shaft facing cutter 7-1 is installed in by flat key, soket head cap screw on the main shaft 7-7 of spindle unit 7, for operator's safety, at the collar bush of spindle unit 7 main shaft facing cutter gear bits cover structure 8 is installed and is covered cutterhead; In order to protect the stainless iron protective cover, prevent machine in the situation that crane lifting in workshop damages to some extent, designed the hoisting structure 10 of complete machine lifting; Described hoisting structure 10 is installed in the end of lathe bed.
Described main frame is portable the setting, in the situation that the workshop does not have hoisting traveling crane to be provided with scraper structure 11 at lathe bed, is convenient to the structure of forklift transportation, and mobile complete machine is to the milling position of workpiece easily and efficiently; End at lathe bed assembly 2 is equipped with electrical control cubicles 1, and electrical control cubicles 1 is installed in lathe bed 2-1 one end by support 2-8, in the electrical control cubicles 1 electric control system is housed.It is mobile together that the hand-held box is followed horizontal adjustment slide unit, and by electric control system each parts of complete machine are operated.In hand held when the hand-held box is used, can be on horizontal nc sliding table in the time of no, magnet is equipped with at the hand-held box back side.
Such as Fig. 4~shown in Figure 5, described lathe bed assembly 2 comprises lathe bed 2-1, drives reductor 2-2, shaft coupling 2-3, ball-screw 2-4, vertically slide unit 2-5, screw 2-6, line slideway 2-7, electrical control cubicles mounting bracket 2-8, protection telescopic cover 2-9.
Described lathe bed 2-1 is formed by Plate Welding, and the internal cavities concrete perfusion increases deadweight, keeps the stability of process medial bed.Drive reductor 2-2 and drive ball-screw 2-4 rotation by shaft coupling 2-3, be connected with the screw 2-6 that is installed in vertical slide unit 2-5 bottom on the ball-screw, drive vertical slide unit 2-5 by screw 2-6 and do along line slideway 2-7 and vertically move.For line slideway 2-7 and the ball-screw 2-4 that protects lathe bed, the protection telescopic cover 2-9 of stainless iron is installed on the lathe bed assembly 2.Electrical control cubicles mounting bracket 2-8 is installed on the lathe bed assembly 2, electrical control cubicles directly can be installed on handled easily.
Such as Fig. 6~shown in Figure 7, described adjustable base assembly 3 comprises lower bottom base 3-1, upper bed-plate 3-2, positioning seat 3-3, adjusting bolt 3-4, pressing plate 3-5 and hold-down bolt 3-6; Adjustable base assembly 3 is arranged at the lathe bed downside, is divided into each one of two kinds of height, can use separately, also use capable of being combined.
Lower bottom base 3-1 and upper bed-plate 3-2 be for being used in combination state in the utility model, is bolted to be unsplit bedplate.At unsplit bedplate positioning seat 3-3 and pressing plate 3-5 are installed, with circumferential weld mill be placed on the adjustable base after, adjust the perpendicularity of main frame and workpiece by adjusting bolt 3-4, the assurance cutterhead is vertical with workpiece.Adjust complete after, adjust finish after with pressing plate 3-5 by compressing fixedly lathe bed position of spiral shell 6, main frame is fixed.
As shown in Figure 8, in order to guarantee the quality of the outer circumferential weld of pipe, there is tracking detection unit that the outer circumferential weld of workpiece axially followed the tracks of detection in the milling process.Described axial detection follower 4 comprises support bar 4-1, joint 4-2, mounting rod 4-3, earrings 4-4, clip 4-5, sensor mount 4-6 and high accuracy Eddy current displacement sensor 4-7.Described two support bar 4-1 link to each other with circumferential weld back chipping edge milling machines lathe bed by bolt, mounting rod 4-3 links to each other with support bar 4-1 by joint 4-2, in mounting rod 4-3 end earrings 4-4 is housed, earrings 4-4 links to each other with clip 4-5 again, two sensor frame 4-6 are installed on clip 4-5, two high accuracy Eddy current displacement sensor 4-7 are installed in respectively on two sensor frame 4-6 of longitudinal direction, by adjusting mounting rod 4-3, earrings 4-4, clip 4-5 position obtains suitable Eddy current displacement sensor position.
The utility model is before workpiece processing, can be according to the size of institute's processing work, by adjusting mounting rod 4-3 in the position at joint 4-2 place, the position of two high accuracy Eddy current displacement sensor 4-7 is transferred within its operating distance, and guarantee that two high accuracy Eddy current displacement sensors are identical in lateral displacement direction position, can change the operating angle of high accuracy Eddy current displacement sensor by adjusting the angle of clip on earrings, adjust complete after, open lathe and begin processing, when pipe class workpiece since dimensional accuracy own not high, after the vertical misalignment of generation is arranged, the high accuracy Eddy current displacement sensor can detect and compensate the ovality of workpiece, then process by the PLC controller and just can obtain corresponding departure, then drive horizontal servomotor and drive the ball-screw rotation, thereby make cutterhead adjust to correct position.
As shown in Figure 9, in order to guarantee the quality of the outer circumferential weld of pipe, there is tracking detection unit that the outer circumferential weld of workpiece radially followed the tracks of detection in the milling process.The described follower 5 that radially detects comprises support bar 5-1, joint 5-2, mounting rod 5-3, earrings 5-4, sensor mount 5-5 and 2D laser displacement sensor 5-6.
The utility model adopts two support bar 5-1 to link to each other with circumferential weld back chipping edge milling machines lathe bed by bolt, mounting rod 5-3 links to each other with support bar by joint 5-2, in mounting rod 5-3 end earrings 5-4 is housed, earrings 5-4 links to each other with sensor mount 5-5 again, and high accuracy 2D laser displacement sensor 5-6 is installed on the sensor mount 5-5.
The utility model is before workpiece processing, can be according to the size of institute's processing work, by adjusting mounting rod 5-3 in the position at joint 5-2 place, the position of high accuracy 2D laser displacement sensor is transferred within the operating distance of laser sensor, can change the operating angle of high accuracy 2D laser sensor by adjusting the angle of sensor mount 5-5 on earrings 5-4, adjust complete after, open lathe and begin processing, behind location of workpiece generation vertical misalignment, the profile profile of the finished edge that high accuracy 2D laser sensor is measured is deviation to some extent just, then by controller and software, just can obtain corresponding departure, then controller drives the rotation of servo longitudinal driven by motor ball-screw again, thereby makes cutterhead adjust to correct position, guarantee the accurate of groove longitudinal size, thereby guarantee the dimensional accuracy of circumferential weld processing.
Such as Figure 10~shown in Figure 11, the ring flange of described direct current generator 6-3 is installed on the casing with helical gear deceleration case 6-2 with bolt, the direct current generator main shaft stretches in the helical gear deceleration box body 2, be connected with the first power shaft 6-2-1, one-level pinion 6-2-2 is housed on the first power shaft 6-2-1, with the one-level gear wheel 6-2-3 engagement that is contained on the first power transmission shaft 6-2-5, secondary pinion 6-2-4 on the first power transmission shaft 6-2-5 and the secondary gear wheel 6-2-6 engagement that is contained on the first power transmission shaft 6-2-7, three grades of pinion 6-2-8 on the second driving shaft 6-2-7 mesh with three grades of gear wheel 6-2-9 that are contained on the 3rd power transmission shaft 6-2-10, level Four gear wheel 6-2-13 engagement on level Four pinion 6-2-11 on the 3rd power transmission shaft 6-2-10 and the second output shaft 6-2-12, drive the second output shaft 6-2-12 rotation, main shaft stretches into and passes through the spline transferring power among the second output shaft 6-2-12, finally is with the movable knife disc rotation.
Power source is a direct current generator, and direct current generator slows down by helical gear deceleration case, passes motion to main shaft by the involute spline engagement again, and facing cutter and main shaft rotate together.The spline position of main shaft is by mobile in spline housing, and the milling depth of adjusting facing cutter keeps constant.Main shaft can slide along involute spline, adjusts cutterhead and steel pipe distance, and the vibrations that spline slides and can effectively remove motor reduction gearbox make milling more steady.
Direct current generator slows down by the power assembly reduction box, the reduction box output cooperates with spindle unit by spline, spindle unit and power assembly reduction box splined section are produced slide, adjusted the distance of cutterhead and workpiece, make milling more steady.
As shown in figure 12, described spindle unit 7 comprises main shaft facing cutter 7-1, driving key 7-2, adjusting bolt 7-3, main shaft protecgulum 7-4, the first conical bore double row cylindrical roller 7-5, thrust ball bearing 7-6, main shaft 7-7, the first locking nut 7-8, spacer 7-9, the second locking nut 7-10, the 3rd locking nut 7-11, cover 7-12, the second conical bore double row cylindrical roller 7-13, the 4th locking nut 7-14, main shaft bonnet 7-15, lubricating oil pipe joint 7-16, felt collar 7-17, sleeve 7-18, felt collar 7-19 and spindle drum 7-20 etc.
Described main shaft facing cutter 7-1 and main shaft 7-7 are bolted, and locate with driving key 7-2, at main shaft 7-7 spacer 7-9 is housed, sleeve 7-18, cover 7-12 reaches by being set with the first locking nut 7-8, the second locking nut 7-10, the 3rd locking nut 7-11, the 4th locking nut 7-14, be respectively fitted with the first conical bore double row cylindrical roller 7-5 and the second conical bore double row cylindrical roller 7-13 at main shaft 7-7 two ends, the first conical bore double row cylindrical roller 7-5 and the second conical bore double row cylindrical roller 7-13 are installed in the dead eye of spindle drum 7-20 of main spindle box, and described the first conical bore double row cylindrical roller 7-5 relies on sleeve 7-18 and spacer 7-9 adjusting play; Sleeve 7-18 regulates with adjusting bolt 7-3, and spacer 7-9 regulates with the second locking nut 7-10; Supporting two the thrust ball bearing 7-6 in the first conical bore double row cylindrical roller 7-5 place are installed on the spacer 7-9, and rely on the first locking nut 7-8 to adjust thrust ball bearing end play, at main shaft 7-7 one end felt collar 7-17, main shaft protecgulum 7-4 are installed, main shaft protecgulum 7-4 cooperates installation with felt collar 7-17; At the main shaft 7-7 other end main shaft bonnet 7-15 and felt collar 7-19 are installed; Lubricating oil pipe joint 7-16 is installed in respectively on main shaft protecgulum 7-4 and the main shaft bonnet 7-15, is used for the bearing apply oil.
Described main shaft 7-7 input arranges promising spline structure, with reduction box inner spline housing engaged transmission, and slides, by the milling depth of drive mechanism control facing cutter.The above whole cover circumferential weld back chipping edge milling machines main axle structure that consists of.
Such as Figure 13~shown in Figure 14, described facing cutter gear bits cover structure 8 comprises that fixed cover 8-1, sliding closure 8-2, main shaft facing cutter 7-1, screw 8-4, iron filings collect dolly 8-5 and screw 8-6.
Described sliding closure 8-2 is connected screw 8-4 with fixed cover 8-1 and is connected with nut, sliding closure 8-2 slidably regulates the scope of case, fixed cover 8-1 is fixed on by screw 8-6 and covers main shaft facing cutter 7-1 on the collar bush, and iron filings are collected dolly 8-5 and are placed in main shaft facing cutter 7-1 below.The utility model effectively guarantees operator's safety, at gear bits cover and workpiece downside storage bits case is arranged, can prevent effectively that the iron filings flying chip from hurting sb.'s feelings and ground neatly.
Such as Figure 15~shown in Figure 16, the anti-vibration structure 9 of described main shaft comprises horizontal adjustment slide unit 9-1, located lateral key 9-2, spindle unit 7 and longitudinal register key 9-3.
Described horizontal adjustment slide unit 9-1 surface offers horizontal keyway, and spindle unit 7 spindle drum bottom surface opposite positions offer vertical keyway, and located lateral key 9-2 is installed in the described horizontal keyway, and longitudinal register key 9-3 is installed in described vertical keyway.When spindle unit 7 with laterally adjust slide unit 9-1 and be connected after, located lateral key 9-2 prevents spindle unit 7 vertical vibrations, longitudinal register key 9-3 prevents the horizontal vibration of spindle unit.For prevent spindle unit in milling process and traversing nc sliding table mechanism between play is arranged, with the play of horizontal and vertical flat key restriction main shaft.
Such as Figure 17~shown in Figure 180, in order to protect the stainless iron protective cover, prevent machine in the situation that crane lifting in workshop damages to some extent, designed the lifting lug mechanism of complete machine lifting.Described hoisting structure 10 comprises the first hanger 10-1, base 10-2, the second hanger 10-3, hexagon socket head cap screw 10-4, hanger limited block 10-5, base shackle shaft 10-6 and cover plate 10-7.Described the first hanger 10-1 is weldingly fixed on the end of base 10-2, the other end at base is welded with base shackle shaft 10-6, the second hanger 10-3 is connected with base shackle shaft 10-6 by its endoporus, and cover plate 10-7 is fixed on by soket head cap screw 10-4 and prevents on the base shackle shaft 10-6 that the second hanger 10-3 breaks away from the base shackle shaft.For the protective cover that prevents lifting rope damage lathe bed is provided with hanger limited block 10-5 at the lathe bed end of the second hanger 10-3, two hangers can be rotated a certain angle.
When handling appliance, rotate the second hanger 10-3, its anglec of rotation makes lifting rope be positioned at the base both sides by hanger limited block 10-5 restriction, makes things convenient for the handling of equipment; The rotatable lifting rope of avoiding of the second hanger is damaged to equipment in the handling process.
Such as Figure 19~shown in Figure 20, described main frame is portable the setting, in the situation that the workshop has hoisting traveling crane to establish the structure of not being convenient to the forklift transportation at lathe bed, mobile complete machine is to the milling position of workpiece easily and efficiently.
Described scraper structure 11 comprises base 11-1, scraper hole left plate 11-2, scraper hole right plate 11-3, scraper hole top board 11-4.Weld respectively scraper hole left plate 11-2 and scraper hole right plate 11-3 on the described base 11-1, described scraper hole top board 11-4 and scraper hole left plate 11-2 and scraper hole right plate 11-3 welding are integrally formed.The utility model can make things convenient for transportation and the location of lathe, in the situation that driving does not wait lifting appliance, makes things convenient for the transportation of forklift, can easily lathe be moved to the processing work place.
As shown in figure 21, be provided with electric control system in the electrical control cubicles 1 described in the utility model, power output end links to each other with touch-screen, servo-drive system, speed control system for DC motor input respectively in the electric control system; The speed control system for DC motor output links to each other with dc speed-regulating motor; The touch-screen output links to each other with servo-drive system, PLC controller processing unit respectively; Described PLC controller processing unit links to each other with LJ-GO80 laser detection module, two KV-AD40V analog-to-digital conversion modules respectively; Described servo-drive system links to each other with servomotor; Described PLC controller processing unit links to each other with external switch and speed control system for DC motor respectively, controls whole machine running.
Described laser detection module is sent to analog-to-digital conversion module with the mode that the range data that detects changes with analog quantity, analog-to-digital conversion module is processed analog signals again, convert data signal to and be sent to PLC, realize the real-time tracking of adjusting the distance after processing through PLC.
Operation principle of the present utility model and the course of work:
Workpiece is placed on the Anti-moving turning rolls after pipe circumferential weld back chipping edge milling machines installs, and rotation freely.It is stressed when making milling that evenly steadily milling groove flatness is controlled well, therefore require Anti-moving turning rolls workpiece axial movement value≤± 3mm, the workpiece shifting amount is less, the groove flatness is just better, the milling situation might as well.Pipe circumferential weld back chipping edge milling machines is placed in place, starts facing cutter, starts horizontal nc sliding table and carries out tool setting near workpiece, and the facing cutter position is overlapped with the circumferential weld position of docking, and guarantees that horizontal nc sliding table left and right sides stroke is substantially equal, fixes this equipment.The vertical slide unit of F.F. before fast approaching one by one workpiece, starts at a slow speed switch, can use the hand-held box during operation, and facing cutter is just contacted with steel pipe, and length feed stops.Adjust each tracking system to correct position and fixing, start vertical slide unit and make its radial feed to the workpiece requirement degree of depth, set the suitable rotating speed of workpiece, then turning of work piece carries out milling, and after milling one circle was finished, vertically slide unit was return fast, and closes down equipment.Above milling mode several times milling is finished, and can reach equally the milling requirement of groove.The starting workpiece rotating---starts facing cutter---and starts feed mechanism, and milling process has tracking detection unit that axially and radially following the tracks of respectively of workpiece detected.Follow the tracks of detection about using laser detection mechanism to butt weld, guarantee that milling overall process facing cutter remains on pipe abutment joint centre position; Use two cover trackers on the facing cutter both sides surface of the work to be followed the tracks of detection, guarantee the complete circle of the consistent workpiece rotating of groove depth, milling is namely finished, and can also a minute multilayer milling finish, and can reach equally the milling requirement of groove.Main frame is installed is furnished with the adjustable base assembly, adjusts the perpendicularity of main frame and workpiece, guarantees that facing cutter is vertical with workpiece, and this base can divide two-layer being used singly or in combination.Described main frame has fast and efficiently processing, greatly reduces labor strength, has improved production efficiency; The external stress that does not produce because of heat, the heat that groove processing produces can be taken away with iron filings the iron filings recoverable; Has smooth and flawless finished surface; Need not to test or follow-up work for the treatment of groove geometry all-the-time stable; Significantly reduce the welding loading, reduce the workload of groove processing and welding; Greatly reduce environmental pollution.
The utility model is mainly used in back chipping and the groove processing of steel pipe circular seam, has been widely used in industries such as large-scale tubulation industry, the manufacturing of wind tower, pile foundation manufacturing, pressure vessel manufacturings.

Claims (11)

1. pipe circumferential weld back chipping edge milling machines is characterized in that: comprise electric control system, lathe bed assembly (2), adjustable base assembly (3), axially detect follower (4), radially detect follower (5), power assembly reduction box assembly (6), spindle unit (7), main shaft facing cutter gear bits cover structure (8), the anti-vibration structure (9) of main shaft, hoisting structure (10), scraper structure (11) and main shaft facing cutter (7-1); Described adjustable base assembly (3) is arranged at lathe bed assembly (2) downside; Power assembly reduction box transmission component (6) is installed on the horizontal nc sliding table of the anti-vibration structure (9) of main shaft; Spindle unit (7) main spindle multiple spline part and the output shaft splined section engagement in the power assembly reduction box assembly (6) transmission of moving, laterally adjusting slide unit in the anti-vibration structure (9) of main shaft links to each other by soket head cap screw with spindle unit (7) spindle drum, described axial detection follower (4), radially detect follower (5) and linked to each other by the lathe bed of bolt with lathe bed assembly (2) by support bar respectively, axially detect follower (4) in the milling process, radially detect follower (5) axially and radially following the tracks of respectively of workpiece detected; Main shaft facing cutter (7-1) is installed on the main shaft of spindle unit (7), at the collar bush of spindle unit (7) main shaft facing cutter gear bits cover structures (8) is installed and is covered cutterhead; Described hoisting structure (10) is installed in the lathe bed end of lathe bed assembly (2); Lathe bed at lathe bed assembly (2) is provided with scraper structure (11), and electrical control cubicles (1) is installed in lathe bed assembly (2) lathe bed one end by support, and electrical control cubicles is provided with electric control system in (1).
2. pipe circumferential weld back chipping edge milling machines as claimed in claim 1 is characterized in that: described lathe bed assembly (2) comprises lathe bed (2-1), drives reductor (2-2), shaft coupling (2-3), ball-screw (2-4), vertically slide unit (2-5), screw (2-6), line slideway (2-7), electrical control cubicles mounting bracket (2-8), protection telescopic cover (2-9); Described lathe bed (2-1) is formed by Plate Welding, the internal cavities concrete perfusion, drive reductor (2-2) and connect ball-screw (2-4) by shaft coupling (2-3), described shaft coupling (2-3) drives ball-screw (2-4) rotation, ball-screw (2-4) is installed in vertical slide unit (2-5) bottom, driving vertical slide unit (2-5) by screw (2-6) vertically moves along line slideway (2-7), protection telescopic cover (2-9) is installed on the lathe bed (2-1), and electrical control cubicles mounting bracket (2-8) is installed on the lathe bed (2-1).
3. pipe circumferential weld back chipping edge milling machines as claimed in claim 1, it is characterized in that: described adjustable base assembly (3) comprises lower bottom base (3-1), upper bed-plate (3-2), positioning seat (3-3), adjusting bolt (3-4), pressing plate (3-5) and hold-down bolt (3-6); Described lower bottom base (3-1) and upper bed-plate (3-2) are bolted and are unsplit bedplate; At unsplit bedplate positioning seat (3-3) and pressing plate (3-5) are installed; Adjust the perpendicularity of main frame and workpiece by adjusting bolt (3-4), by hold-down bolt (3-6) main frame is fixed with pressing plate (3-5).
4. pipe circumferential weld back chipping edge milling machines as claimed in claim 1, it is characterized in that: described axial detection follower (4) comprises support bar (4-1), (4-2) joint, mounting rod (4-3), earrings (4-4), clip (4-5), sensor mount (4-6) and Eddy current displacement sensor (4-7); Two support bars (4-1) link to each other with circumferential weld back chipping edge milling machines lathe bed by bolt, mounting rod (4-3) links to each other with support bar (4-1) by joint (4-2), in mounting rod (4-3) end earrings (4-4) is housed, described earrings (4-4) links to each other with clip (4-5), two sensor frames (4-6) are installed on clip (4-5), and two Eddy current displacement sensors (4-7) are installed in respectively on two sensor mounts (4-6).
5. pipe circumferential weld back chipping edge milling machines as claimed in claim 1, it is characterized in that: the described follower (5) that radially detects comprises support bar (5-1), joint (5-2), mounting rod (5-3), earrings (5-4), sensor mount (5-5) and 2D laser displacement sensor (5-6); Two support bars (5-1) link to each other with lathe bed by bolt, mounting rod (5-3) links to each other with support bar (5-1) by joint (5-2), in mounting rod (5-3) end earrings (5-4) is housed, earrings (5-4) links to each other with sensor mount (5-5), and 2D laser displacement sensor (5-6) is installed on the sensor mount (5-5).
6. pipe circumferential weld back chipping edge milling machines as claimed in claim 1, it is characterized in that: described power assembly reduction box assembly (6) comprises main shaft, helical gear deceleration case (6-2) and direct current generator (6-3); The ring flange of described direct current generator (6-3) is installed on the casing with helical gear deceleration case (6-2) with bolt, direct current generator (6-3) main shaft stretches in the helical gear deceleration box body (2), (6-2-1) is connected with the first power shaft, one-level pinion (6-2-2) is housed on the first power shaft (6-2-1), with one-level gear wheel (6-2-3) engagement that is contained on the first power transmission shaft (6-2-5), secondary pinion (6-2-4) on the first power transmission shaft (6-2-5) and secondary gear wheel (6-2-6) engagement that is contained on the second driving shaft (6-2-7), three grades of pinions (6-2-8) on the second driving shaft (6-2-7) and three grades of gear wheels (6-2-9) engagement that is contained on the 3rd power transmission shaft (6-2-10), level Four gear wheel (6-2-13) engagement on level Four pinion (6-2-11) on the 3rd power transmission shaft (6-2-10) and the second output shaft (6-2-12), drive the second output shaft (6-2-12) rotation, main shaft stretches into and passes through the spline transferring power in the output shaft (6-2-12), the rotation of band movable knife disc.
7. pipe circumferential weld back chipping edge milling machines as claimed in claim 1, it is characterized in that: described spindle unit (7) adopts main shaft facing cutter (7-1) and main shaft (7-7) to be bolted, and locate with driving key (7-2), at main shaft (7-7) spacer (7-9) is housed, sleeve (7-18), cover (7-12) reaches by being set with the first locking nut (7-8), the second locking nut (7-10), the 3rd locking nut (7-11), the 4th locking nut (7-14), be respectively fitted with the first conical bore double row cylindrical roller (7-5) and the second conical bore double row cylindrical roller (7-13) at main shaft (7-7) two ends, the first conical bore double row cylindrical roller (7-5) and the second conical bore double row cylindrical roller (7-13) are installed in the dead eye of spindle drum (7-20) of main spindle box, and described the first conical bore double row cylindrical roller (7-5) relies on sleeve (7-18) and spacer (7-9) adjusting play; Sleeve (7-18) is regulated with adjusting bolt (7-3), and spacer (7-9) is regulated with the second locking nut (7-10); The first conical bore double row cylindrical roller (7-5) is located supporting two thrust ball bearings (7-6) and is installed on the spacer (7-9), and rely on the first locking nut (7-8) to adjust thrust ball bearing end play, at main shaft (7-7) end felt collar (7-17), main shaft protecgulum (7-4) are installed, main shaft protecgulum (7-4) cooperates installation with the first felt collar (7-17); At main shaft (7-7) other end main shaft bonnet (7-15) and the second felt collar (7-19) are installed; Lubricating oil pipe joint (7-16) is installed in respectively on main shaft protecgulum (7-4) and the main shaft bonnet (7-15), is used for the bearing apply oil; Described main shaft (7-7) input arranges promising spline structure.
8. pipe circumferential weld back chipping edge milling machines as claimed in claim 1 is characterized in that: described facing cutter gear bits cover structures (8) comprise that fixed cover (8-1), sliding closure (8-2), main shaft facing cutter (7-1), screw (8-4), iron filings collect dolly (8-5) and screw (8-6); Described sliding closure (8-2) is connected 8-1 with fixed cover) be connected with nut by screw (8-4), the scope of sliding closure (8-2) slidable adjustment case, fixed cover (8-1) is fixed on by screw (8-6) and covers main shaft facing cutter (7-1) on the collar bush, and iron filings are collected dolly (8-5) and are placed in main shaft facing cutter (7-1) below.
9. pipe circumferential weld back chipping edge milling machines as claimed in claim 1 is characterized in that: the anti-vibration structure (9) of described main shaft comprises horizontal adjustment slide unit (9-1), located lateral key (9-2), spindle unit (7) and longitudinal register key (9-3); Described horizontal adjustment slide unit (9-1) surface offers horizontal keyway, spindle unit (7) spindle drum bottom surface opposite position offers vertical keyway, located lateral key (9-2) is installed in the described horizontal keyway, longitudinal register key (9-3) is installed in described vertical keyway.
10. pipe circumferential weld back chipping edge milling machines as claimed in claim 1, it is characterized in that: described hoisting structure (10) comprises the first hanger (10-1), base (10-2), the second hanger (10-3), hexagon socket head cap screw (10-4), base shackle shaft (10-6) and cover plate (10-7); Described the first hanger (10-1) is fixed on an end of base (10-2), the other end at base (10-2) is welded with base shackle shaft (10-6), the second hanger (10-3) is connected with base shackle shaft (10-6), cover plate (10-7) is fixed on the base shackle shaft (10-6) by soket head cap screw (10-4), prevents that the second hanger (10-3) breaks away from the base shackle shaft.
11. pipe circumferential weld back chipping edge milling machines as claimed in claim 1, it is characterized in that: described scraper structure (11) comprises base (11-1), scraper hole left plate (11-2), scraper hole right plate (11-3), scraper hole top board (11-4); Weld respectively scraper hole left plate (11-2) and scraper hole right plate (11-3) on the described base (11-1), described scraper hole top board (11-4) is integrally formed with scraper hole left plate (11-2) and scraper hole right plate (11-3) welding.
CN 201220496195 2012-09-22 2012-09-22 Edge milling machine for back chipping of circular seam of pipe Withdrawn - After Issue CN202824782U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220496195 CN202824782U (en) 2012-09-22 2012-09-22 Edge milling machine for back chipping of circular seam of pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220496195 CN202824782U (en) 2012-09-22 2012-09-22 Edge milling machine for back chipping of circular seam of pipe

Publications (1)

Publication Number Publication Date
CN202824782U true CN202824782U (en) 2013-03-27

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Application Number Title Priority Date Filing Date
CN 201220496195 Withdrawn - After Issue CN202824782U (en) 2012-09-22 2012-09-22 Edge milling machine for back chipping of circular seam of pipe

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Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102825312A (en) * 2012-09-22 2012-12-19 无锡华联精工机械有限公司 Pipe annular seam back chipping and edge milling machine
CN106392156A (en) * 2016-10-21 2017-02-15 江苏振光电力设备制造有限公司 Efficient back chipping and back-off machine
CN107824897A (en) * 2017-11-15 2018-03-23 上海振华重工(集团)股份有限公司 Circumferential weld clean-up machining device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102825312A (en) * 2012-09-22 2012-12-19 无锡华联精工机械有限公司 Pipe annular seam back chipping and edge milling machine
CN102825312B (en) * 2012-09-22 2014-10-15 无锡华联精工机械有限公司 Pipe annular seam back chipping and edge milling machine
CN106392156A (en) * 2016-10-21 2017-02-15 江苏振光电力设备制造有限公司 Efficient back chipping and back-off machine
CN107824897A (en) * 2017-11-15 2018-03-23 上海振华重工(集团)股份有限公司 Circumferential weld clean-up machining device
CN107824897B (en) * 2017-11-15 2019-07-05 上海振华重工(集团)股份有限公司 Circumferential weld clean-up machining device

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