CN110116137B - Seamless steel tube perforating plug - Google Patents

Seamless steel tube perforating plug Download PDF

Info

Publication number
CN110116137B
CN110116137B CN201910509425.8A CN201910509425A CN110116137B CN 110116137 B CN110116137 B CN 110116137B CN 201910509425 A CN201910509425 A CN 201910509425A CN 110116137 B CN110116137 B CN 110116137B
Authority
CN
China
Prior art keywords
cylinder
stop block
clamping groove
seamless steel
steel tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910509425.8A
Other languages
Chinese (zh)
Other versions
CN110116137A (en
Inventor
吕小军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Jiaye Machinery Manufacturing Co ltd
Original Assignee
Nantong Jiaye Machinery Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Jiaye Machinery Manufacturing Co ltd filed Critical Nantong Jiaye Machinery Manufacturing Co ltd
Priority to CN201910509425.8A priority Critical patent/CN110116137B/en
Publication of CN110116137A publication Critical patent/CN110116137A/en
Application granted granted Critical
Publication of CN110116137B publication Critical patent/CN110116137B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B19/00Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/04Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B25/00Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239Lubricating
    • B21B45/0245Lubricating devices
    • B21B45/0248Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239Lubricating
    • B21B45/0245Lubricating devices
    • B21B45/0248Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • B21B2045/026Lubricating devices using liquid lubricants, e.g. for sections, for tubes for tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Earth Drilling (AREA)

Abstract

The application discloses seamless steel pipe piercing plug, including a draw-in groove, the draw-in groove forms in cylinder and ejector pin junction, the draw-in groove perpendicular to the ejector pin axis, the draw-in groove is followed inside the ejector pin extends to inside the cylinder, be formed with a compression spring in the draw-in groove, still include first dog, first dog both ends support respectively hold in compression spring one end with the draw-in groove top, first dog length is greater than the draw-in groove extends to length in the cylinder, the cylinder in the draw-in groove below is formed with the confession the window of first dog business turn over. The invention has the advantages that the clamping groove and the two stop blocks are arranged, no matter the jacking head rotates positively or reversely, the threaded connection between the jacking rod and the jacking head can not be loosened, and the first stop block is clamped in the clamping groove through the compression spring, so that the clamping device can be taken out and installed manually and is very convenient.

Description

Seamless steel tube perforating plug
Technical Field
The application relates to production of seamless steel pipes, in particular to a seamless steel pipe perforating plug.
Background
The seamless steel pipe is perforated by being connected with the ejector rod and the ejector rod, the ejector rod and the ejector rod are generally connected by threads, the ejector rod and the ejector rod are generally arranged to be in a rotating state all the time, and the rotating direction of the ejector rod is generally set to be used as the threaded connection direction of the ejector rod and the ejector rod, so that the ejector rod cannot loosen in the rotating process.
Disclosure of Invention
The invention aims to provide a seamless steel tube perforating plug which overcomes the defects in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions.
The embodiment of the application discloses seamless steel pipe perforation top, including the top body, the top body include the cylinder in proper order, form in the round platform body of cylinder terminal surface, form in the circular cone alloy head of round platform body terminal surface, the circular cone apex angle of circular cone alloy head is 45-70, the inside round platform cavity that is formed with of round platform, the round platform cavity certainly the cylinder terminal surface is formed with the main tributary vaulting pole along the axle center direction, the main tributary vaulting pole with be formed with many auxiliary support poles between the round platform body inner wall, round platform body lateral wall surrounds the even symmetry of axis body and is formed with a plurality of spray holes that link up, the cylinder is inside to be formed with the cylinder cavity with be formed with a plurality of through-holes of intercommunication between the round platform cavity, still include the ejector pin, the ejector pin outer wall with through screw thread fixed connection between the cylinder cavity inner wall, the ejector pin axle center be formed with the feed liquor hole of cylinder cavity, still include a draw-in groove, the draw-in groove form in groove perpendicular to the cylinder with the axle center direction is formed with main tributary vaulting pole, the draw-in groove perpendicular to the axis, the draw-in groove is formed with the inside the cylinder has a compression window to extend to the inside the cylinder has a first end to be formed with the cylinder top the dog length to the inside the cylinder has the compression groove to be in the cylinder top, the cylinder has the cylinder to be extended to the first end.
Preferably, in the seamless steel tube piercing plug, the first stopper is abutted against one side of the compression spring to form a first notch for facilitating the access of the clamping groove, and the ejector rod is formed with a second notch for facilitating the access of the first stopper at the clamping groove.
Preferably, in the seamless steel tube piercing plug, a sliding block is fixedly connected to the top of the compression spring, the sliding block is attached to the inner surface of the clamping groove, and the sliding block is attached to and abutted against the first stop block.
Preferably, in the seamless steel pipe piercing plug, the conical apex angle is 65 °.
Preferably, in the seamless steel tube piercing plug, the circular truncated cone and the outer surface of the cylinder are respectively formed with a high temperature resistant layer.
More preferably, in the seamless steel pipe piercing plug, the thickness of the high-temperature resistant layer is 1-3mm.
Preferably, in the seamless steel tube piercing plug, a filter screen is disposed in the cylindrical cavity at the through hole.
More preferably, in the seamless steel pipe piercing plug, the screen pore diameter is smaller than the spray pore diameter.
Preferably, in the seamless steel tube piercing plug, the number of the auxiliary supporting rods is 13-19.
The invention has the advantages that the clamping groove and the two stop blocks are arranged, no matter the jacking head rotates positively or reversely, the threaded connection between the jacking rod and the jacking head can not be loosened, and the first stop block is clamped in the clamping groove through the compression spring, so that the clamping device can be taken out and installed manually and is very convenient.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a piercing plug for seamless steel pipe according to an embodiment of the present invention;
fig. 2 shows an enlarged view at a in fig. 1.
Detailed Description
The following detailed description of the technical solutions according to the embodiments of the present invention will be given with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
1-2, the seamless steel tube perforating plug comprises a plug body 100, wherein the plug body 100 sequentially comprises a cylinder 110, a round platform body 120 formed on the end surface of the cylinder 110, a conical alloy head 130 formed on the end surface of the round platform body 120, a conical apex angle of the conical alloy head 130 is 45-70 degrees, a round platform cavity 121 is formed inside the round platform body 120, a main supporting rod 122 is formed on the round platform cavity 121 along the axial direction from the end surface of the cylinder 110, a plurality of auxiliary supporting rods 123 are formed between the main supporting rod 122 and the inner wall of the round platform body 120, a plurality of through spray holes 124 are uniformly and symmetrically formed on the side wall of the round platform body 120 around the axis body, a cylindrical cavity 111 is formed inside the cylinder 110, a plurality of communicated through holes 112 are formed between the cylindrical cavity 111 and the round platform cavity 121, and a push rod 300 is further included, the outer wall of the ejector rod 300 is fixedly connected with the inner wall of the cylindrical cavity 111 through threads, a liquid inlet 310 communicated with the cylindrical cavity 111 is formed in the axis of the ejector rod 300, the ejector rod further comprises a clamping groove 400, the clamping groove 400 is formed at the joint of the cylinder 110 and the ejector rod 300, the clamping groove 400 is perpendicular to the axis of the ejector rod 300, the clamping groove 400 extends from the inside of the ejector rod 300 to the inside of the cylinder 110, a compression spring 410 is formed at the bottom of the clamping groove 400, the ejector rod further comprises a first stop block 420, two ends of the first stop block 420 respectively abut against one end of the compression spring 410 and the top of the clamping groove 400, the length of the first stop block 420 is larger than the length of the clamping groove 400 extending into the cylinder 110, a window 114 for the first stop block 420 to come in and go out is formed below the clamping groove 400, a second stop block 430 protrudes from the inside of the window 114, and the second stop block 430 abuts against the lower part of the first stop block 420.
According to the technical scheme, the clamping groove and the two stop blocks are arranged, no matter the jacking head rotates positively or reversely, the threaded connection between the jacking rod and the jacking head is not loosened, the first stop block is clamped in the clamping groove through the compression spring, and the clamping groove can be taken out and installed manually, so that the clamping device is very convenient, and the second stop block is clamped below the first stop block and cannot be easily separated from the clamping groove, so that the stability of connection is ensured; in addition, as the conical alloy head is adopted, the contact surface inside the steel pipe can be reduced, so that the resistance is reduced, and the efficiency is improved; the inside of the round table body is of a hollow structure with a support, so that the material is saved, the weight is reduced, and the compression-resistant effect is exerted to the greatest extent by decomposing the force born by the support rod; through setting up the spraying hole, with lubricating liquid from the spraying hole blowout, get into between top and the round steel, formed one deck protection film, both played the cooling effect, protected the top not destroyed again, also protected the steel pipe inner wall not by the fish tail.
Further, a first notch 440 for facilitating the access of the card slot 400 is formed on one side of the first stopper 420 abutting against the compression spring 410, and a second notch 450 for facilitating the access of the first stopper 420 is formed on the card slot 400 of the ejector 300.
In the technical scheme, the size of the first stop block is basically attached to the size of the clamping groove in order to keep the stability between the top and the top rod of the first stop block, so that the first stop block is inconvenient to enter if a gap is not arranged, after the gaps are respectively arranged at the two positions, the first stop block can conveniently enter the clamping groove through the matching of the gaps, and after the first stop block enters the clamping groove, the first stop block is rotated along the axis of the first stop block to a place deviating from the second gap so as to prevent the first stop block from falling out; however, it should be noted that the first stopper is not easily removed due to the action of the compression spring, and the second stopper also ensures that the first stopper cannot be removed.
Further, a sliding block 460 is fixedly connected to the top of the compression spring 410, the sliding block 460 is attached to the inner surface of the clamping groove 400, and the sliding block 460 is attached to and abuts against the first stop block 420.
In this technical scheme, made things convenient for compression spring to first dog's effect, guaranteed the spring pressure that first dog received, guaranteed the stability of mechanism.
Further, the cone apex angle is 65 °.
In the technical scheme, through practice, the vertex angle is preferably 65 degrees, and the effect is optimal.
Further, the truncated cone 120 and the outer surface of the cylinder 110 are respectively formed with a high temperature resistant layer 200. The thickness of the high temperature resistant layer 200 is 1-3mm.
In the technical scheme, the high temperature resistance is improved, so that the service life of the plug is prolonged.
Further, a filter screen 113 is disposed in the cylindrical cavity 111 at the through hole 112. The screen 113 has a smaller pore size than the spray orifice 124.
In this technical scheme, the jam of spraying hole has been prevented.
Further, the number of auxiliary supporting rods 123 is 13-19.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely exemplary of the application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the application and are intended to be comprehended within the scope of the application.

Claims (7)

1. The seamless steel tube perforating plug comprises a plug body, wherein the plug body sequentially comprises a cylinder, a round platform body formed on the end surface of the cylinder and a conical alloy head formed on the end surface of the round platform body, the conical top angle of the conical alloy head is 45-70 degrees, a round platform cavity is formed inside the round platform body, a main supporting rod is formed on the round platform cavity along the axis direction from the end surface of the cylinder, a plurality of auxiliary supporting rods are formed between the main supporting rod and the inner wall of the round platform body, a plurality of through spraying holes are uniformly and symmetrically formed on the side wall of the round platform body around the shaft body, a cylindrical cavity is formed inside the cylinder, a plurality of communicated through holes are formed between the cylindrical cavity and the round platform cavity, the seamless steel tube perforating plug is characterized by further comprising a push rod, the outer wall of the push rod is fixedly connected with the inner wall of the cylindrical cavity through threads, the axle center of the ejector rod is provided with a liquid inlet hole communicated with the cylindrical cavity, the device further comprises a clamping groove, the clamping groove is formed at the joint of the cylinder and the ejector rod, the clamping groove is perpendicular to the axle center of the ejector rod, the clamping groove extends from the inside of the ejector rod to the inside of the cylinder, the bottom in the clamping groove is provided with a compression spring, the device further comprises a first stop block, two ends of the first stop block respectively prop against one end of the compression spring and the top of the clamping groove, the length of the first stop block is larger than the length of the clamping groove extending into the cylinder, a window for the first stop block to come in and go out is formed below the clamping groove, a second stop block protrudes from the inside of the window, the second stop block props against the lower part of the first stop block, one side of the first stop block props against the compression spring is provided with a first notch which is convenient for the first stop block to come in and go out, the ejector rod is provided with a second notch which is convenient for the first stop block to come in and go out at the clamping groove, the top of the compression spring is fixedly connected with a sliding block, the sliding block is attached to the inner surface of the clamping groove, and the sliding block is attached to and abutted against the first stop block.
2. A seamless steel tube piercing plug according to claim 1, wherein the conical apex angle is 65 °.
3. The seamless steel tube piercing plug according to claim 1, wherein the circular truncated cone and the outer surface of the cylinder are respectively formed with a high temperature resistant layer.
4. A seamless steel tube piercing plug according to claim 3, wherein the high temperature resistant layer has a thickness of 1-3mm.
5. A seamless steel tube piercing plug according to claim 1, wherein a screen is provided within the cylindrical cavity at the through-hole.
6. A seamless steel tube piercing plug according to claim 5, wherein the screen aperture is smaller than the spray aperture.
7. The seamless steel tube piercing plug of claim 1, wherein the number of auxiliary support bars is 13-19.
CN201910509425.8A 2019-06-13 2019-06-13 Seamless steel tube perforating plug Active CN110116137B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910509425.8A CN110116137B (en) 2019-06-13 2019-06-13 Seamless steel tube perforating plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910509425.8A CN110116137B (en) 2019-06-13 2019-06-13 Seamless steel tube perforating plug

Publications (2)

Publication Number Publication Date
CN110116137A CN110116137A (en) 2019-08-13
CN110116137B true CN110116137B (en) 2024-03-22

Family

ID=67523972

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910509425.8A Active CN110116137B (en) 2019-06-13 2019-06-13 Seamless steel tube perforating plug

Country Status (1)

Country Link
CN (1) CN110116137B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112238142A (en) * 2020-09-03 2021-01-19 鑫鹏源(聊城)智能科技有限公司 Top ejector rod assembly with novel cooling mode

Citations (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1963320A (en) * 1932-02-23 1934-06-19 Nat Tube Co Piercing point
JPS5985308A (en) * 1982-11-08 1984-05-17 Mishima Kosan Co Ltd Connecting device for plug and mandrel for producing seamless steel pipe
JPH07178422A (en) * 1993-12-22 1995-07-18 Nkk Corp Mandrel bar for manufacturing seamless tube
JPH07290118A (en) * 1994-04-21 1995-11-07 Kawasaki Steel Corp Plug for manufacturing seamless pipe, device for attaching/detaching its plug bar and its automatic exchanging device
EP0743106A1 (en) * 1995-05-19 1996-11-20 Nkk Corporation Method for manufacturing seamless pipe
DE19636321C1 (en) * 1996-08-29 1997-11-20 Mannesmann Ag Method for prolonging working life of internally cooled piercers
JPH10156410A (en) * 1996-11-29 1998-06-16 Sumitomo Metal Ind Ltd Plug for piercing seamless steel tube and manufacture of seamless steel tube using the same
JPH11169916A (en) * 1997-12-12 1999-06-29 Sumitomo Metal Ind Ltd Device for attaching and detaching piercer plug
JP2001087804A (en) * 1999-09-22 2001-04-03 Ngk Spark Plug Co Ltd Ceramic plug for manufacturing seamless tube and ceramic tip member used for plug for manufacturing seamless tube
CN2425722Y (en) * 2000-04-25 2001-04-04 宝山钢铁股份有限公司 Perforator and ejector rod connection mechanism
JP2003001305A (en) * 2001-06-13 2003-01-07 Sumitomo Metal Ind Ltd Production method for seamless steel pipe
CN1726100A (en) * 2002-12-12 2006-01-25 住友金属工业株式会社 Seamless metal tube producing method
CN1929933A (en) * 2004-03-11 2007-03-14 住友金属工业株式会社 Seamless tube piercing/rolling plug, seamless tube producing apparatus, and seamless tube producing method therewith
JP2008073756A (en) * 2006-09-25 2008-04-03 Sanyo Special Steel Co Ltd Plug fixing device of piercer
JP2008272803A (en) * 2007-05-01 2008-11-13 Sanyo Special Steel Co Ltd Method for cooling piercing plug for seamless steel tube, and unit therefor
JP2009125785A (en) * 2007-11-27 2009-06-11 Sanyo Special Steel Co Ltd Fixed plug for manufacturing seamless steel tube
CN201783506U (en) * 2010-06-25 2011-04-06 扬州诚德钢管有限公司 Rapid connecting device for plug and mandrel of large diameter cross-rolling pipe mill
CN201799449U (en) * 2010-09-09 2011-04-20 无锡西姆莱斯石油专用管制造有限公司 Locking ejector head device
CN102463261A (en) * 2010-11-19 2012-05-23 无锡市晟元金属制品有限公司 Piercing plug
CN202238890U (en) * 2011-09-30 2012-05-30 新兴铸管股份有限公司 Piercing plug of composite tube
CN202479211U (en) * 2012-03-12 2012-10-10 常州宝菱重工机械有限公司 Puncher top
CN202725616U (en) * 2012-08-17 2013-02-13 宁波市鄞州文昌金属制品有限公司 Seamless steel pipe piercing plug
CN202984275U (en) * 2012-11-13 2013-06-12 无锡润丰特种钢管有限公司 Steel tube hot piercing plug
JP2013126666A (en) * 2011-12-16 2013-06-27 Nippon Steel & Sumitomo Metal Corp Cored bar for holding piercing plug
CN103240274A (en) * 2013-05-10 2013-08-14 攀钢集团成都钢钒有限公司 Piercing plug device of piercer, piercer and production method of seamless steel tubes
CN103286133A (en) * 2013-06-28 2013-09-11 新余钢铁集团有限公司 Perforated molybdenum piercing head structural member
CN203484492U (en) * 2013-08-21 2014-03-19 湖州华鼎不锈钢管业有限公司 Steel pipe perforator
CN103658184A (en) * 2013-11-27 2014-03-26 海龙(张家港)实业有限公司 High-strength seamless steel pipe piecing plug
CN103894419A (en) * 2014-03-27 2014-07-02 烟台鲁宝钢管有限责任公司 Quick connecting device for piercing plugs
CN203936123U (en) * 2014-05-28 2014-11-12 河北力通联无缝钢管有限公司 A kind of poling expanding top of rolling seamless steel pipe
CN203936124U (en) * 2014-05-28 2014-11-12 河北力通联无缝钢管有限公司 Locking pad between a kind of perforating head of rolling seamless steel pipe and push rod
CN204035187U (en) * 2014-08-19 2014-12-24 浙江中星钢管机械有限公司 A kind of piercing mill of seamless steel tube
CN204107984U (en) * 2014-09-04 2015-01-21 南通市嘉业机械制造有限公司 Pierce the special top of steel pipe
CN204503758U (en) * 2015-03-16 2015-07-29 江苏南山冶金机械制造有限公司 A kind of combined puncturing top
CN204503759U (en) * 2015-03-16 2015-07-29 江苏南山冶金机械制造有限公司 A kind of novel top
DE102014105815A1 (en) * 2014-04-24 2015-10-29 Hans Joachim Pehle Internal contiguous cooling water guide in piercer
CN204934202U (en) * 2015-07-31 2016-01-06 湖州高林不锈钢管制造有限公司 A kind of piercing plug for seamless steel tubes
CN105499273A (en) * 2015-12-15 2016-04-20 安徽工业大学 Perforation top of seamless steel pipe
CN106623434A (en) * 2016-12-21 2017-05-10 中南大学 Conical piercing plug
CN106807755A (en) * 2017-01-06 2017-06-09 南通市嘉业机械制造有限公司 A kind of piercing plug for seamless steel tubes
CN107520250A (en) * 2017-09-25 2017-12-29 江苏保利精工机电有限公司 A kind of multi-functional seamless punch
CN207057277U (en) * 2017-04-03 2018-03-02 浙江卓业能源装备有限公司 Heavy caliber seamless steel pipe perforation compression molding molybdenum base top and its soft mold
CN108787753A (en) * 2018-07-12 2018-11-13 达力普石油专用管有限公司 Mannesmann piercing mill comes directly towards and Mannesmann piercing mill
CN208695943U (en) * 2018-07-10 2019-04-05 建湖县富马电子设备有限公司 A kind of piercing mandrel plug device
CN210386967U (en) * 2019-06-13 2020-04-24 南通市嘉业机械制造有限公司 Seamless steel pipe piercing plug

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2018013311A (en) * 2016-08-08 2019-01-30 Nippon Steel & Sumitomo Metal Corp Method for manufacturing piercer plug.

Patent Citations (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1963320A (en) * 1932-02-23 1934-06-19 Nat Tube Co Piercing point
JPS5985308A (en) * 1982-11-08 1984-05-17 Mishima Kosan Co Ltd Connecting device for plug and mandrel for producing seamless steel pipe
JPH07178422A (en) * 1993-12-22 1995-07-18 Nkk Corp Mandrel bar for manufacturing seamless tube
JPH07290118A (en) * 1994-04-21 1995-11-07 Kawasaki Steel Corp Plug for manufacturing seamless pipe, device for attaching/detaching its plug bar and its automatic exchanging device
EP0743106A1 (en) * 1995-05-19 1996-11-20 Nkk Corporation Method for manufacturing seamless pipe
DE19636321C1 (en) * 1996-08-29 1997-11-20 Mannesmann Ag Method for prolonging working life of internally cooled piercers
JPH10156410A (en) * 1996-11-29 1998-06-16 Sumitomo Metal Ind Ltd Plug for piercing seamless steel tube and manufacture of seamless steel tube using the same
JPH11169916A (en) * 1997-12-12 1999-06-29 Sumitomo Metal Ind Ltd Device for attaching and detaching piercer plug
JP2001087804A (en) * 1999-09-22 2001-04-03 Ngk Spark Plug Co Ltd Ceramic plug for manufacturing seamless tube and ceramic tip member used for plug for manufacturing seamless tube
CN2425722Y (en) * 2000-04-25 2001-04-04 宝山钢铁股份有限公司 Perforator and ejector rod connection mechanism
JP2003001305A (en) * 2001-06-13 2003-01-07 Sumitomo Metal Ind Ltd Production method for seamless steel pipe
CN1726100A (en) * 2002-12-12 2006-01-25 住友金属工业株式会社 Seamless metal tube producing method
CN1929933A (en) * 2004-03-11 2007-03-14 住友金属工业株式会社 Seamless tube piercing/rolling plug, seamless tube producing apparatus, and seamless tube producing method therewith
JP2008073756A (en) * 2006-09-25 2008-04-03 Sanyo Special Steel Co Ltd Plug fixing device of piercer
JP2008272803A (en) * 2007-05-01 2008-11-13 Sanyo Special Steel Co Ltd Method for cooling piercing plug for seamless steel tube, and unit therefor
JP2009125785A (en) * 2007-11-27 2009-06-11 Sanyo Special Steel Co Ltd Fixed plug for manufacturing seamless steel tube
CN201783506U (en) * 2010-06-25 2011-04-06 扬州诚德钢管有限公司 Rapid connecting device for plug and mandrel of large diameter cross-rolling pipe mill
CN201799449U (en) * 2010-09-09 2011-04-20 无锡西姆莱斯石油专用管制造有限公司 Locking ejector head device
CN102463261A (en) * 2010-11-19 2012-05-23 无锡市晟元金属制品有限公司 Piercing plug
CN202238890U (en) * 2011-09-30 2012-05-30 新兴铸管股份有限公司 Piercing plug of composite tube
JP2013126666A (en) * 2011-12-16 2013-06-27 Nippon Steel & Sumitomo Metal Corp Cored bar for holding piercing plug
CN202479211U (en) * 2012-03-12 2012-10-10 常州宝菱重工机械有限公司 Puncher top
CN202725616U (en) * 2012-08-17 2013-02-13 宁波市鄞州文昌金属制品有限公司 Seamless steel pipe piercing plug
CN202984275U (en) * 2012-11-13 2013-06-12 无锡润丰特种钢管有限公司 Steel tube hot piercing plug
CN103240274A (en) * 2013-05-10 2013-08-14 攀钢集团成都钢钒有限公司 Piercing plug device of piercer, piercer and production method of seamless steel tubes
CN103286133A (en) * 2013-06-28 2013-09-11 新余钢铁集团有限公司 Perforated molybdenum piercing head structural member
CN203484492U (en) * 2013-08-21 2014-03-19 湖州华鼎不锈钢管业有限公司 Steel pipe perforator
CN103658184A (en) * 2013-11-27 2014-03-26 海龙(张家港)实业有限公司 High-strength seamless steel pipe piecing plug
CN103894419A (en) * 2014-03-27 2014-07-02 烟台鲁宝钢管有限责任公司 Quick connecting device for piercing plugs
DE102014105815A1 (en) * 2014-04-24 2015-10-29 Hans Joachim Pehle Internal contiguous cooling water guide in piercer
CN203936123U (en) * 2014-05-28 2014-11-12 河北力通联无缝钢管有限公司 A kind of poling expanding top of rolling seamless steel pipe
CN203936124U (en) * 2014-05-28 2014-11-12 河北力通联无缝钢管有限公司 Locking pad between a kind of perforating head of rolling seamless steel pipe and push rod
CN204035187U (en) * 2014-08-19 2014-12-24 浙江中星钢管机械有限公司 A kind of piercing mill of seamless steel tube
CN204107984U (en) * 2014-09-04 2015-01-21 南通市嘉业机械制造有限公司 Pierce the special top of steel pipe
CN204503759U (en) * 2015-03-16 2015-07-29 江苏南山冶金机械制造有限公司 A kind of novel top
CN204503758U (en) * 2015-03-16 2015-07-29 江苏南山冶金机械制造有限公司 A kind of combined puncturing top
CN204934202U (en) * 2015-07-31 2016-01-06 湖州高林不锈钢管制造有限公司 A kind of piercing plug for seamless steel tubes
CN105499273A (en) * 2015-12-15 2016-04-20 安徽工业大学 Perforation top of seamless steel pipe
CN106623434A (en) * 2016-12-21 2017-05-10 中南大学 Conical piercing plug
CN106807755A (en) * 2017-01-06 2017-06-09 南通市嘉业机械制造有限公司 A kind of piercing plug for seamless steel tubes
CN207057277U (en) * 2017-04-03 2018-03-02 浙江卓业能源装备有限公司 Heavy caliber seamless steel pipe perforation compression molding molybdenum base top and its soft mold
CN107520250A (en) * 2017-09-25 2017-12-29 江苏保利精工机电有限公司 A kind of multi-functional seamless punch
CN208695943U (en) * 2018-07-10 2019-04-05 建湖县富马电子设备有限公司 A kind of piercing mandrel plug device
CN108787753A (en) * 2018-07-12 2018-11-13 达力普石油专用管有限公司 Mannesmann piercing mill comes directly towards and Mannesmann piercing mill
CN210386967U (en) * 2019-06-13 2020-04-24 南通市嘉业机械制造有限公司 Seamless steel pipe piercing plug

Also Published As

Publication number Publication date
CN110116137A (en) 2019-08-13

Similar Documents

Publication Publication Date Title
CN110116137B (en) Seamless steel tube perforating plug
CN210386967U (en) Seamless steel pipe piercing plug
CN110153190B (en) High-stability seamless steel pipe perforating plug
CN216064848U (en) Seamless steel pipe piercing plug
CN210386968U (en) High-stability seamless steel pipe piercing plug
CN109352745A (en) A kind of cylindricality timber processing apparatus
CN210386966U (en) Combined high-strength seamless steel pipe piercing plug
CN208487113U (en) A kind of subassembly of lock bolt
CN210521941U (en) Filter equipment and spray set are used in printed circuit board production
CN108671648B (en) Dust removal filter bag with anti-shrink ring
CN211885659U (en) Printing ink filter equipment
CN210386965U (en) Seamless steel pipe is from feeling relieved perforation structure
DE2533632B2 (en) Liquid thermometer
CN116371923A (en) Seamless steel tube perforating plug
CN220449405U (en) Reel fixing assembly
CN213462868U (en) Prevent PCB chip mounter suction nozzle of jam
CN219345210U (en) Mold closing bolt
CN214271721U (en) Internal mold supporting device capable of being assembled and disassembled quickly
CN110116136A (en) A kind of high-strength seamless steel pipe perforating head
CN216245985U (en) Perforation is measuring equipment's for top frock convenient to use
DE2921405A1 (en) Coverable detachable flagstaff ground socket - has conically threaded slotted holder screwed onto sleeve in tube containing cone
CN211920974U (en) Membrane tube support frame for increasing pressure resistance of external pressure type single-hole tubular membrane
CN217814105U (en) Impeller anti-reversion and anti-falling self-locking structure
CN219030404U (en) Adjustable support fixing structure applied to mosquito killing lamp transportation
CN207776000U (en) A kind of outer bearing type water tank feed feeder

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant