CN110052665B - A interior burr clearing device for permanent bottom surface shaping steel pipe - Google Patents

A interior burr clearing device for permanent bottom surface shaping steel pipe Download PDF

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Publication number
CN110052665B
CN110052665B CN201910377668.0A CN201910377668A CN110052665B CN 110052665 B CN110052665 B CN 110052665B CN 201910377668 A CN201910377668 A CN 201910377668A CN 110052665 B CN110052665 B CN 110052665B
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Prior art keywords
lifting mechanism
slide rail
fixing
shaped
cutter
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CN110052665A (en
Inventor
周玉林
李林杰
侯雨雷
郑东豪
石晗
齐晓凤
张泰铭
宋彦佐
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Yanshan University
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Yanshan University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • B23D79/02—Machines or devices for scraping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/26—Fluid-pressure drives

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Milling Processes (AREA)

Abstract

The invention discloses an inner burr removing device for a constant-bottom-surface formed steel pipe. The lifting mechanism, the rotating mechanism and the cutter lifting mechanism are sequentially connected in series to form a foundation for realizing the functional requirements of the equipment, and the lifting mechanism is arranged on the fixed support. The fixed support and the equipment are connected by adopting a sliding guide rail to realize lateral movement. The cutter bar assembly is connected with the cutter lifting mechanism. The welding seam guide roll assembly is connected with the lifting mechanism, and is suitable for steel pipes of different specifications and carrying out micro-adjustment. The invention adopts the cantilever type placement of the cutter bar and is provided with an inner burr breaking device. For steel pipes with different pipe diameters, the cutter bar can be adapted only by replacing the cutter bar. The surface quality of the inner burrs and the production efficiency and yield of the constant bottom surface forming steel pipe are improved in production, and the production cost of enterprises is greatly reduced.

Description

A interior burr clearing device for permanent bottom surface shaping steel pipe
Technical Field
The invention belongs to the technical field of equipment for removing burrs in a large-diameter straight-seam steel pipe, and particularly relates to an inner burr removing device for a constant-bottom-surface forming steel pipe.
Background
On the production line of the high-frequency straight welded pipe, the steel pipe can generate larger inner and outer burrs in the welding production process, and the inner and outer burrs of the welding line need to be removed according to the quality standard requirements of the relevant steel pipe, so that the production line is provided with the removing equipment of the inner and outer burrs behind the welding frame. The method for removing the inner burrs of the straight-seam high-frequency welded pipe is mainly a broaching method and a grinding method, and generally has large investment, high operating cost and low efficiency, and is only used for removing the inner burrs of the repaired pipe below the straight seam. The method for removing the inner burrs on line mainly comprises a rolling method and a scraping method, so that the cost can be effectively reduced, and the danger to workers in the process of removing the inner burrs can be reduced. The inner burrs are removed properly, so that the quality of the welded pipe can be improved, the number of times of stopping the production line can be reduced, the yield of the welded pipe is improved, and the economic benefit of the production line is improved. The high-quality welded steel pipe with the inner burrs removed can be applied to important industries such as petroleum, natural gas, automobiles, chemical engineering and the like. Therefore, the development of the technology for removing burrs in the welded pipe plays a crucial role in continuously expanding the application field of the welded pipe.
The large-caliber straight-slit steel pipe is a main pipe type adopted by oil and gas transmission pipelines at home and abroad, and particularly has high requirements on safety and reliability of the pipelines, high transmission pressure and corrosive media. If the inner surface of the steel pipe generates indentation, the quality of the inner surface can not meet the requirement of a purchasing party, and the product is unqualified, thereby causing the waste of the product and the increase of the manufacturing cost.
Disclosure of Invention
The invention provides an inner burr removing device for a constant-bottom-surface forming steel pipe, which aims to solve the technical problems of inner burr breaking, indentation easily generated by the existing structural design and the like in the online scraping of inner burrs of the constant-bottom-surface forming steel pipe of a high-frequency straight welded pipe.
In order to solve the technical problems, the method of the invention is realized by the following technical scheme:
the utility model provides an interior burr clearing device that is used for permanent bottom surface shaping steel pipe which characterized in that includes: the utility model provides a fixed bolster, cutter arbor assembly, prop open roller assembly, spanner mechanism, elevating system, rotary mechanism and lift sword mechanism, the fixed bolster is installed on equipment, the fixed bolster borrows on equipment by sliding guide lateral shifting, elevating system rotary mechanism with it links to each other to lift sword mechanism serial in proper order, elevating system's slide rail hypoplastron with the fixed bolster links to each other, be equipped with T type circular arc guide rail groove on the slide rail piece, it passes through bolted connection T type slide rail and first T type slide rail components of a whole that can function independently, second T type slide rail components of a whole that can function independently on to lift sword mechanism, the cutter arbor assembly pass through T type piece with it connects to lift sword mechanism, spanner mechanism installs the side direction at elevating system, the sliding block props open the roller assembly and installs on the sliding block.
In the above technical scheme, the rotating mechanism includes an upper T-shaped slide rail, a first lower T-shaped slide rail split, a second lower T-shaped slide rail split, an upper fixing plate, and a lower fixing plate, wherein the first lower T-shaped slide rail split and the second lower T-shaped slide rail split are connected by a fixing member and connected to the lower fixing plate by the fixing member, and the upper T-shaped slide rail is connected to the upper fixing plate by the fixing member.
In the above technical scheme, the fixing piece is a screw or a pin.
In the above technical scheme, the lifting mechanism further comprises a hydraulic motor, a hydraulic motor support seat, and a screw spiral lifter, wherein the sliding block is provided with a T-shaped arc guide rail groove concentric with the axis of the cutter bar, the screw spiral lifter and the hydraulic motor are both mounted on the hydraulic motor support seat, and the hydraulic motor is mounted at the side end of the hydraulic motor support seat.
In the technical scheme, the spreading roller assembly comprises a V-shaped welding seam fixing frame, a dovetail slide rail with a self-locking device and a welding seam guide roller, wherein the V-shaped welding seam fixing frame is arranged on a sliding block of the lifting mechanism and slides up and down along with the slide rail block; a dovetail slide rail with a self-locking device is arranged on the inverted V-shaped welding seam fixing frame; the welding seam guide roll is arranged on a dovetail slide rail with a self-locking device.
In the above technical scheme, the wrench mechanism includes a handle, a rotary ball, a ball-shaped retainer, a screw rod and a nut, the ball-shaped retainer is provided with a screw for limiting the rotary ball to rotate, the rotary ball is installed in the ball-shaped retainer, the screw rod penetrates through the rotary ball and is installed in the handle, and the nut is screwed on the screw rod.
In the technical scheme, the cutter lifting mechanism comprises a fixed supporting plate, a swinging arm, a hydraulic cylinder and a hydraulic cylinder fixing seat, the hydraulic cylinder is connected with the swinging arm through a lower pin shaft, the swinging arm is connected with the fixed supporting plate through the lower pin shaft, the hydraulic cylinder fixing seat is connected with a fixing seat fixing plate through an upper pin shaft, and the tail end of the hydraulic cylinder is installed on the hydraulic cylinder fixing seat through a connecting piece.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention can avoid over-cutting the inner wall of the steel pipe aiming at the steel pipe with constant bottom surface, and the inner burrs of the steel pipes with various specifications can be removed only by replacing the cutter bar and ensuring the center of the rotating mechanism to coincide with the center of the cutter bar for the steel pipes with different pipe diameters.
In addition, the cutter bar is placed in a suspension mode, the working state of the cutter on the cutter bar is controlled by force, and indentation on the inner surface wall of the steel pipe at high temperature due to extrusion can be avoided. The inner burrs can be cut off while being scraped cleanly; the invention can solve the quality problem in the process of removing the inner burrs, is convenient to install, use and replace specifications, and improves the product quality and the production efficiency in production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of an internal burr removal device of the present invention;
FIG. 2 is a schematic view of the lift mechanism of the present invention;
FIG. 3 is a schematic view of a blade lifting mechanism of the present invention;
FIG. 4 is a schematic view of the wrench mechanism of the present invention;
FIG. 5 is a schematic view of a mounting bracket of the present invention;
FIG. 6 is a schematic view of a spreader roller assembly of the present invention;
FIG. 7 is a schematic view of a rotary mechanism of the present invention;
reference numerals: 1-a cutter bar assembly, 2-a spreader roll assembly, 3-a rotating mechanism, 4-a cutter lifting mechanism, 5-a wrench mechanism, 6-a lifting mechanism, 7-a fixed bracket and 8-a rack; 201-a herringbone welding seam fixing rack, 202-a dovetail slide rail, 203-a supporting rack, 301-an upper T-shaped slide rail, 302-a nut, 303-a first lower T-shaped slide rail split body, 304-a second lower T-shaped slide rail split body, 401-a lower pin shaft, 402-a lower fixing plate, 403-a nut fixing plate, 404-an upper fixing plate, 405-a fixing support plate, 406-a hydraulic oil cylinder, 407-a hydraulic oil cylinder fixing seat, 408-an upper pin shaft, 409-a fixing seat fixing plate, 410-a swing arm, 501-a nut, 502-a screw, 503-a cover plate, 504-a rotating ball, 505-a screw rod, 506-a base, 507-a handle, 601-a slide rail lower plate, 602-a slide rail block, 603-an insert, 604-a screw rod screw elevator fixing seat, 605, 606-a hydraulic motor; 701-hanging ring, 702-reinforcing rib, 703-adjusting bolt, 704-connecting plate, 705-sliding plate and 706-sliding rail fixing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "radial," "axial," "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides an inner burr removing device for a constant-bottom-surface formed steel pipe, which comprises a cutter bar assembly 1, an opening roller assembly 2, a rotating mechanism 3, a cutter lifting mechanism 4, a wrench mechanism 5, a lifting mechanism 6 and a fixing support 7. As shown in fig. 1, the internal burr removal device is mounted on the frame 8. Screw holes are formed in the left and right split bodies of the frame 8 and are used for connecting the slide rail fixing plates 706 of the fixing support 7, so that the inner burr removing device can be installed on equipment. The fixed support 7 is arranged on the equipment, the fixed support 7 moves laterally on the equipment by means of a sliding guide rail, and the lifting mechanism 6, the rotating mechanism 3 and the cutter lifting mechanism 4 are sequentially connected in series. The slide rail lower plate 601 of the lifting mechanism 6 is connected with the fixed bracket 7. The slide rail block 602 is provided with a T-shaped arc guide rail groove, and the cutter lifting mechanism 4 is connected to the upper T-shaped slide rail 301, the first lower T-shaped slide rail split body and the second lower T-shaped slide rail split body through bolts. The cutter bar assembly 1 is connected with the cutter lifting mechanism 4 through a T-shaped block, the wrench mechanism 5 is installed in the lateral direction of the lifting mechanism 6, and the spreading roller assembly 2 is installed on the dovetail slide rail.
The fixing bracket 7 shown in fig. 5 is the mounting base of the entire device. The reinforcing ribs 702 serve to increase the overall rigidity of the fixing bracket 7. The sliding plate 705 of the sliding guide rail can realize the movement relative to the frame 8, and the inner burrs of the straight seam steel pipe can be removed, scraped and centered. The connecting plate 704 fixes the sliding plate 705 of the sliding rail. The lateral movement of the device on the equipment is realized by the sliding friction between a sliding plate 705 and a sliding rail fixing plate 706, and the clearance adjustment between the sliding guide rails is realized by an insert 603 and an adjusting bolt 703. In the process of installing the fixing bracket 7, the hoisting ring 701 can be lifted by a crane for installation.
The lifting mechanism shown in fig. 2 further includes a hydraulic motor 606, a lead screw elevator fixing seat 604, and a lead screw elevator 605, the slide rail block is provided with a T-shaped arc guide rail groove concentric with the axis of the cutter bar, both the lead screw elevator 605 and the hydraulic motor 606 are mounted on the lead screw elevator fixing seat 604, and the hydraulic motor is mounted on the side end of the lead screw elevator fixing seat 604. The lifting mechanism 6 has the function of realizing the up-and-down movement of the front-end rotating mechanism 3, the cutter lifting mechanism 4, the cutter bar assembly 1 and other accessory components, so that the cutter setting adjustment can be carried out on steel pipes with different specifications, the cutter setting is completed through the force control of the cutter lifting mechanism, the hydraulic motor 606 provides a power source for the lifting mechanism, and the rotating motion of the hydraulic motor 606 is converted into the up-and-down moving lifting motion through the screw rod spiral lifter 605. The lead screw elevator 605 and the hydraulic motor 606 are both mounted on a lead screw elevator mount 604, which is mounted on the slide rail lower plate 601. The elevating mechanism 6 adopts a dovetail sliding guide rail to realize elevating movement, and because abrasion can occur in processing and installation and long-term operation, a clearance adjusting function is required, namely, the elevating movement is realized through the insert 603. The slide rail block 602 is provided with an upper T-shaped arc guide rail groove and a lower T-shaped arc guide rail groove which are concentric with each other and are concentric with the axis of the cutter bar in the cutter bar assembly 1, and the screw rod spiral lifter 605 and the slide rail block 602 are fixedly connected by bolts and are converted into the movement of the slide rail block 602 by the spiral movement of the screw rod spiral lifter 605.
The cutter lifting mechanism shown in fig. 3 includes a fixed support plate 405, a swing arm 410, a hydraulic cylinder 406, and a hydraulic cylinder holder 407. The cutter lifting mechanism 4 has the function of adjusting the cutter setting, and the force of the hydraulic cylinder is converted into the scraping pressure of the cutter on the inner wall of the steel pipe by the lever principle, so that the inner burrs are removed. The hydraulic cylinder 406 is connected to the swing arm 410 by a lower pin 401, and the swing arm 410 is connected to the fixed support plate 405 by the lower pin 401 and connected to the bar assembly 1 at the lower end by a connecting block, thereby structurally forming a lever. The hydraulic cylinder fixing seat 407 is connected with a fixing seat fixing plate 409 through an upper pin shaft 408, and the tail end of the hydraulic cylinder 406 is installed on the hydraulic cylinder fixing seat 407 through a connecting piece, so that the hydraulic cylinder 406 is installed. The nut fixing plate 403 is fixed to a fixing support plate 405 for mounting the nut 302.
The wrench mechanism 5 shown in fig. 4 includes a handle 507, a rotary ball 504, a ball holder provided with a screw 502 for restricting rotation of the rotary ball 504, a screw 505 inserted through the rotary ball and mounted in the handle, and a nut 501 screwed to the screw 505. The wrench mechanism 5 is an external force driving device that realizes rotational movement, and mainly utilizes the principle of a screw nut. The screw 505 is rotated therewith by means of the handle 507. The screw 502 limits the rotation of the rotary ball 504, and the rotary ball 504 is mounted in a ball holder so that the rotary ball 504 does not rotate following the screw 505. The base 506 is used for placing the rotating ball 504. A cover plate 503 is mounted on the base 506 by screws for covering the rotary ball 504.
The rotating mechanism 3 shown in fig. 7 is an important link for connecting the lifting mechanism and the blade lifting mechanism. The upper T-shaped slide rail 301 is connected with the upper fixing plate 404. The lower T-shaped slide rail is made into a split body: the lower T-shaped slide rail fixing device comprises a first lower T-shaped slide rail split body 303 and a second lower T-shaped slide rail split body 304, wherein the first lower T-shaped slide rail split body 303 and the second lower T-shaped slide rail split body 304 are connected through fixing pieces and connected to a lower fixing plate 402 through fixing pieces, and the upper T-shaped slide rail is connected to an upper fixing plate 404 through fixing pieces. Wherein, the mounting is screw or pin. The second lower T-shaped slide rail is connected to the lower fixing plate 402, so that the tool lifting mechanism can rotate on the slide rail block 602 of the lifting mechanism 6 via the T-shaped slide rail. The driving method is as follows: the wrench mechanism 5 is used as an input power source, the nut 302 moves on the screw 505, and the nut 302 and the mounting fixing plate have relative rotation relation, so that the linear motion of the screw nut is converted into the rotary motion along the T-shaped sliding rail.
The spreader roll assembly 2 shown in fig. 6 comprises a n-shaped weld fixing frame 201, a dovetail slide rail 202 with a self-locking device and a weld guide roll 204, wherein the n-shaped weld fixing frame is mounted on a slide rail block of a lifting mechanism and slides up and down along with the slide rail block; a dovetail slide rail with a self-locking device is arranged on the inverted V-shaped welding seam fixing frame; the welding seam guide roll is arranged on a dovetail slide rail with a self-locking device. Specifically, the spreader roll assembly 2 is mainly used for fixing the spreader roll, and the inverted-V-shaped weld seam fixing frame 201 is installed on the sliding rail block 602 and slides up and down along with the sliding rail block 602. The spreader roller is fixed by a support frame 203 and is arranged on a dovetail slide rail 202. At the same time, the dovetail slide 202 is also used for fine adjustment of the spreader roller. The inverted V-shaped weld fixing frame 201 is mounted on a sliding rail block 602 of the lifting mechanism and slides up and down along with the sliding rail block. Dovetail slide rails with self-locking devices are arranged on the inverted V-shaped welding seam fixing frame 201, and welding seam guide rollers are arranged on the dovetail slide rails with the self-locking devices. Through the serial connection in proper order of elevating system 6, rotary mechanism 3 and lifting cutter mechanism 4, keep the upper and lower T type slide rail of rotary mechanism concentric with the central line of cutter arbor all the time simultaneously, and the installation of cutter arbor assembly 1 adopts the suspension type mode. The steel pipe with the constant bottom surface can be adjusted by rotating after the steel pipes with various specifications and welding seams deviate from the central line in the process of removing the inner burrs. Finally, the scraping and breaking of the inner burr can be realized.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (5)

1. The utility model provides an interior burr clearing device that is used for permanent bottom surface shaping steel pipe which characterized in that includes: the fixed support is mounted on a rack, the fixed support moves laterally on the rack through a sliding guide rail, the lifting mechanism, the rotating mechanism and the cutter lifting mechanism are sequentially connected in series, a sliding rail lower plate of the lifting mechanism is connected with the fixed support, the spreading roller assembly comprises a multi-shaped welding seam fixing frame, a dovetail sliding rail with a self-locking device and a welding seam guide roller, and the multi-shaped welding seam fixing frame is mounted on a sliding rail block of the lifting mechanism and slides up and down along with the sliding rail block; a dovetail slide rail with a self-locking device is arranged on the inverted V-shaped welding seam fixing frame; the welding seam guide roll is arranged on a dovetail slide rail with a self-locking device; the tool lifting mechanism is connected with the rotating mechanism through a bolt, the tool bar assembly is connected with the tool lifting mechanism through the T-shaped block, the wrench mechanism is arranged on the side of the lifting mechanism, and the spreading roller assembly is arranged on the slide rail block;
the rotating mechanism comprises an upper T-shaped slide rail, a first lower T-shaped slide rail split body, a second lower T-shaped slide rail split body, an upper fixing plate and a lower fixing plate, wherein the first lower T-shaped slide rail split body and the second lower T-shaped slide rail split body are connected through a fixing piece and connected to the lower fixing plate through the fixing piece, and the upper T-shaped slide rail is connected to the upper fixing plate through the fixing piece.
2. The internal burr removal device of claim 1, wherein the securing member is a screw or a pin.
3. The internal burr removing device according to claim 1, wherein the lifting mechanism further comprises a hydraulic motor, a lead screw elevator fixing base, and a lead screw elevator, the slide rail block defines a T-shaped arc guide rail groove concentric with the axis of the cutter bar, the lead screw elevator and the hydraulic motor are both mounted on the lead screw elevator fixing base, and the hydraulic motor is mounted at a side end of the lead screw elevator fixing base.
4. The internal burr removal device of claim 1, wherein the wrench mechanism comprises a handle, a ball holder, a screw, and a nut, the ball holder is provided with a screw for limiting rotation of the ball, the ball is mounted in the ball holder, the screw passes through the ball and is mounted in the handle, and the nut is screwed on the screw.
5. The internal burr removing device according to claim 1, wherein the cutter lifting mechanism comprises a fixed support plate, a swing arm, a hydraulic cylinder and a hydraulic cylinder fixing seat, the hydraulic cylinder is connected with the swing arm through a lower pin shaft, the swing arm is connected with the fixed support plate through a lower pin shaft, the hydraulic cylinder fixing seat is connected with a fixing seat fixing plate through an upper pin shaft, and the tail end of the hydraulic cylinder is mounted on the hydraulic cylinder fixing seat through a connecting piece.
CN201910377668.0A 2019-05-08 2019-05-08 A interior burr clearing device for permanent bottom surface shaping steel pipe Active CN110052665B (en)

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CN201910377668.0A CN110052665B (en) 2019-05-08 2019-05-08 A interior burr clearing device for permanent bottom surface shaping steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910377668.0A CN110052665B (en) 2019-05-08 2019-05-08 A interior burr clearing device for permanent bottom surface shaping steel pipe

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CN110052665A CN110052665A (en) 2019-07-26
CN110052665B true CN110052665B (en) 2020-06-02

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4028372C1 (en) * 1990-09-07 1991-09-12 Hoesch Ag, 4600 Dortmund, De
CN201264125Y (en) * 2008-10-13 2009-07-01 中海石油金洲管道有限公司 Combined inner bur removing and weld joint guiding device
CN201410592Y (en) * 2009-06-15 2010-02-24 江苏玉龙钢管股份有限公司 Device for removing burrs on inner wall of pipe fitting
CN201735756U (en) * 2010-07-26 2011-02-09 宝山钢铁股份有限公司 Steel plate slab burring machine
CN202517139U (en) * 2012-01-18 2012-11-07 番禺珠江钢管有限公司 Adjusting mechanism for burr swing knife in welded pipe unit

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