CN110116137B - Seamless steel tube perforating plug - Google Patents
Seamless steel tube perforating plug Download PDFInfo
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-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
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices 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
- B21B45/0239—Lubricating
- B21B45/0245—Lubricating devices
- B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices 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
- B21B45/0239—Lubricating
- B21B45/0245—Lubricating devices
- B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
- B21B2045/026—Lubricating 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
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.
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)
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)
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)
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. |
-
2019
- 2019-06-13 CN CN201910509425.8A patent/CN110116137B/en active Active
Patent Citations (45)
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 |