CN111054756A - Plug with cooling structure - Google Patents
Plug with cooling structure Download PDFInfo
- Publication number
- CN111054756A CN111054756A CN201911248654.5A CN201911248654A CN111054756A CN 111054756 A CN111054756 A CN 111054756A CN 201911248654 A CN201911248654 A CN 201911248654A CN 111054756 A CN111054756 A CN 111054756A
- Authority
- CN
- China
- Prior art keywords
- plug
- water
- ejector
- jet orifice
- lubricant cavity
- 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.)
- Withdrawn
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000000314 lubricant Substances 0.000 claims abstract description 39
- 239000000498 cooling water Substances 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003974 emollient agent Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- B21B25/04—Cooling or lubricating mandrels during operation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a plug with a cooling structure, which comprises a plug nose part, a plug body and a tail end, and is characterized in that: still include condenser tube, lubricant cavity, first jet orifice, second jet orifice condenser tube, lubricant cavity set up inside the top body, the lubricant cavity is spherical, and condenser tube is along the outside setting of lubricant cavity, is the heliciform in top nose department, top body surface is equipped with the communicating first jet orifice of condenser tube and with the communicating second jet orifice of lubricant cavity. The invention has the beneficial effects that: 1. the internal temperature of the ejector during working is reduced, the service life of the ejector is prolonged, 2, water and lubricant are sprayed on the surface of the ejector through the spray holes, the temperature generated during the rotating friction of the ejector is reduced, the surface damage of the ejector is reduced, the wear resistance and the high temperature resistance of the ejector are improved, 3, water resources are saved, and the energy utilization rate is improved.
Description
Technical Field
The invention relates to a plug, in particular to a plug with a cooling structure.
Background
At present, in the production process of seamless steel pipes, after blanks are heated, punching is carried out through ejector rods. Because the top of ejector pin tip contacts with the blank of high temperature for a long time, continuous production can lead to the top to warp, has reduced the life of top, has also influenced the surface quality of seamless steel pipe inner wall simultaneously, can lead to the perforation failure even in serious time, causes the blank to scrap. Generally, after the ejector rod retracts, a spraying device is used for spraying and cooling the ejector head, but if the diameter of the produced seamless steel pipe is large, the diameter of the ejector head used for production is relatively large, and the cooling effect of spraying from the outside is poor. In addition, the nose of the plug bears the most heat in the working process, how to reduce the working temperature of the nose of the plug and the working temperature of the plug body to improve the service life of the plug is always a difficult problem which troubles plug manufacturing enterprises, the Chinese invention publication No. CN201620528488.X discloses a novel perforating plug which comprises a nose, a perforating part, a rolling part and a tail part, wherein the nose is in a nipple shape, the perforating part and the rolling part are in streamline transition, the tail part is provided with a chamfer, a cooling inner hole is arranged in the perforating plug, and the cooling inner hole comprises a conical section, a first rectangular section, a circular platform section, a second rectangular section, an arc section and a third rectangular section. The invention has an increasing gradient for the bonding strength index of the cooling inner hole and the cooling requirement, breaks through the mode of uniform cooling with equal wall thickness of the traditional design of the piercing point, delays the failure of the piercing point and prolongs the service life.
Disclosure of Invention
In order to solve the above problems, the present invention provides a plug with a cooling structure, which comprises a plug nose portion, a plug body, and a tail end, and is characterized in that: still include condenser tube, lubricant cavity, first jet orifice, second jet orifice, condenser tube, lubricant cavity set up inside the top body, the lubricant cavity is the ellipsoid, and condenser tube sets up along the lubricant cavity outside, is the heliciform in top nose department, top body surface is equipped with the communicating first jet orifice of condenser tube and with the communicating second jet orifice of lubricant cavity.
Preferably, the cooling water pipe comprises a water inlet and a water outlet, the water inlet and the water outlet are respectively arranged at the upper part and the lower part of the tail end, and a filter screen is arranged at the water inlet.
Preferably, the water storage device further comprises a water return pipe and a water storage device, wherein a flange plate is arranged at the water outlet, the side wall of the flange plate is fixed at the water outlet in a sealing mode, the water outlet is connected with the water return pipe through the flange plate, and the water return pipe is connected with the water storage device.
Preferably, the periphery of the nose part of the plug is provided with an oxide film.
Preferably, the included angle between the first injection hole and the plug in the horizontal direction is 30-60 degrees.
Preferably, the diameter of the first injection hole is 3-4 mm, and the diameter of the second injection hole is 6-8 mm.
The invention has the following beneficial effects: 1. the internal and surface temperatures of the plug during working are reduced, the service life of the plug is prolonged, 2, water and lubricant are sprayed on the surface of the plug through the spray holes, the temperature generated during the rotary friction of the plug is reduced, the surface damage of the plug is reduced, the wear resistance and the high temperature resistance of the plug are improved, 3, water resources are saved, and the energy utilization rate is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the plug
FIG. 2 is a right side schematic view of the plug
FIG. 3 is a bottom view of the plug
In the figure, 1, a head nose part, 2, a head body, 3, a tail end, 4, a first spray hole, 5, a lubricant chamber, 6, a cooling water pipe, 7, a second spray hole, 8, a filter screen and 9, a flange plate are arranged.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, a plug with a cooling structure comprises a plug nose part 1, a plug body 2 and a tail end 3, and is characterized in that: still include condenser tube 6, lubricant cavity 5, first jet orifice 4, second jet orifice 7, condenser tube 6, lubricant cavity 5 set up inside top body 2, lubricant cavity 5 is the ellipsoid, and condenser tube 6 sets up along the outside of lubricant cavity 5, is the heliciform in top nasal part 1 department, top body 2 surfaces be equipped with condenser tube 6 communicating first jet orifice 4 and with lubricant cavity 5 communicating second jet orifice 7, for the temperature that reduces the top during operation, need set up a condenser tube 6 in the inside of top, and the inside partial heat of top can be taken away to rivers to reduce the inside temperature of top during operation, avoid the high temperature, the top warp. Because the heat that top nasal part 1 its produced at the during operation is the highest, in order to further reduce the heat of top nasal part at the top during operation, set into the heliciform with condenser tube 6 in top nasal part 1 department, the purpose of setting into the heliciform is when making rivers flow through top nasal part 1, can make the flow of rivers receive the hysteresis restraint, heat transfer area has been increased simultaneously, make the cooling water of flowing through top nasal part 1 can be better take out the heat of top, thereby make top nasal part 1 can go on under a relatively microthermal environment, thereby the life of extension top. The bottom end of the surface of the top is provided with one or more first jet holes 4 communicated with a cooling water pipe 6, when water flows in the cooling water pipe 6, part of water is jetted to the surface of the top through the first jet holes 4, so that the temperature of the surface of the top can be further reduced, the diameter of the first jet holes 4 is 3mm, the diameter of the first jet holes 4 is too narrow, the jetted water cannot achieve a cooling effect, the first jet holes are too wide, the quality of a manufactured steel pipe is easily influenced, the included angle between the first jet holes 4 and the horizontal direction of the top is 30 degrees, a lubricant chamber 5 is further arranged inside the top body 2, the lubricant chamber 5 is in an ellipsoid shape, so that stress concentration can be avoided, the lubricant chamber 5 is communicated with the surface of the top through the second jet holes 7, when the top works, a lubricant is jetted to the surface of the top through the second jet holes 7, the diameter of the second jet holes 7 is 6mm, the contained angle with the top horizontal direction is 40 degrees, it is first, do not link up each other between the second jet orifice, the two does not disturb each other, the dislocation distribution, emollient can make the contact surface of top and blank smoother, the heat that produces because of rotating between top and the blank can be littleer like this, it is supplementary mutually between the two with the water of first jet orifice 4 injection to assist between the emollient that second jet orifice 7 sprays and the water of first jet orifice, can the surperficial temperature of effectual reduction top during operation, condenser tube 6 and condenser tube 6 spiral setting at top nasal part 1 in the cooperation, can optimize the inside and the outside cooling effect of top during operation simultaneously, the top in this application is made through cast method and forms. The invention has the beneficial effects that: 1. reducing the internal temperature of the plug during working and prolonging the service life of the plug, 2, spraying water and lubricant on the surface of the plug through the spray holes, reducing the temperature generated during the rotary friction of the plug, reducing the surface damage of the plug, improving the wear resistance and the high temperature resistance of the plug,
example 2
As shown in fig. 1 to 3, a plug with a cooling structure comprises a plug nose portion 1, a plug body 2 and a tail end 3, and is characterized in that: still include condenser tube 6, lubricant cavity 5, first jet orifice 4, second jet orifice 7, condenser tube 6, lubricant cavity 5 set up inside top body 2, lubricant cavity 5 is the ellipsoid, and condenser tube 6 sets up along the outside of lubricant cavity 5, is the heliciform in top nasal part 1 department, top body 2 surfaces be equipped with condenser tube 6 communicating first jet orifice 4 and with lubricant cavity 5 communicating second jet orifice 7, for the temperature that reduces the top during operation, need set up a condenser tube 6 in the inside of top, and the inside partial heat of top can be taken away to rivers to reduce the inside temperature of top during operation, avoid the high temperature, the top warp. Because the heat that top nasal part 1 its produced at the during operation is the highest, in order to further reduce the heat of top nasal part at the top during operation, set into the heliciform with condenser tube 6 in top nasal part 1 department, the purpose of setting into the heliciform is when making rivers flow through top nasal part 1, can make the flow of rivers receive the hysteresis restraint, heat transfer area has been increased simultaneously, make the cooling water of flowing through top nasal part 1 can be better take out the heat of top, thereby make top nasal part 1 can go on under a relatively microthermal environment, thereby the life of extension top. The bottom end of the surface of the top is provided with one or more first jet holes 4 communicated with a cooling water pipe 6, when water flows in the cooling water pipe 6, part of water is jetted to the surface of the top through the first jet holes 4, so that the temperature of the surface of the top can be further reduced, the diameter of the first jet holes 4 is 4mm, the diameter of the first jet holes 4 is too narrow, the jetted water cannot achieve a cooling effect, the first jet holes are too wide, the quality of a manufactured steel pipe is easily influenced, the included angle between the first jet holes 4 and the horizontal direction of the top is 40 degrees, a lubricant chamber 5 is further arranged inside the top body 2, the lubricant chamber 5 is in an ellipsoid shape, so that stress concentration can be avoided, the lubricant chamber 5 is communicated with the surface of the top through the second jet holes 7, when the top works, lubricant is jetted to the surface of the top through the second jet holes 7, the diameter of the second jet holes 7 is 7mm, the included angle between the horizontal direction of the ejector and the horizontal direction of the ejector is 50 degrees, the first ejection hole and the second ejection hole are not communicated with each other and are not interfered with each other, the ejector and the blank are distributed in a staggered manner, a lubricant can enable the contact surface of the ejector and the blank to be smoother, so that the heat generated between the ejector and the blank due to rotation is smaller, the lubricant sprayed by the second ejection hole 7 and the water sprayed by the first ejection hole 4 are supplemented with each other, the surface temperature of the ejector during working can be effectively reduced, the cooling water pipe 6 and the cooling water pipe 6 are arranged in a spiral manner at the nose part 1 of the ejector in a matching manner, the cooling effect inside and outside the ejector during working can be simultaneously optimized, in order to further improve the working efficiency of the cooling water pipe 6, the cooling water pipe 6 comprises a water inlet and a water outlet, the water inlet and the water outlet are respectively arranged at the upper part and, the water inlet of the cooling water pipe 6 is provided with a filter screen 8 for filtering impurities in water flow, the diameter of the first jet hole 4 is only several millimeters, in order to prevent the impurities in the water flow from blocking the first jet hole 4, the water inlet is provided with the filter screen 8, the water inlet further comprises a water return pipe (not shown) and a water storage device (not shown), the water outlet is provided with a flange 9, the side wall of the flange 9 is fixed at the water outlet in a sealing way, the water outlet is connected with the water return pipe through the flange 9, the water return pipe is connected with the water storage device, the cooling water pipe 6 and the water return pipe can be connected through the flange 9, the utilized water is collected, the secondary use is convenient, the water resource is saved, the energy utilization rate is improved, the optimization is realized, in order to further prolong the service life of the top, an oxidation layer (not shown in the figure) is arranged on the periphery of the nose part 1 of the, this approach is common in the art for adding an oxide layer. The beneficial effects of this scheme are that practiced thrift the water resource, improve energy utilization.
Claims (6)
1. The utility model provides a top with cooling structure, includes top nose portion (1), top body (2), tail end (3), its characterized in that: still include cooling water pipe (6), lubricant cavity (5), first jet orifice (4), second jet orifice (7), cooling water pipe (6), lubricant cavity (5) set up inside top body (2), lubricant cavity (5) are the ellipsoid shape, cooling water pipe (6) set up along lubricant cavity (5) outside, cooling water pipe (6) are the heliciform in top nose portion (1) department, top body (2) surface is equipped with cooling water pipe (6) communicating first jet orifice (4) and with lubricant cavity (5) communicating second jet orifice (7).
2. The plug with the cooling structure according to claim 1, wherein the cooling water pipe (6) comprises a water inlet and a water outlet, the water inlet and the water outlet are respectively arranged at the upper part and the lower part of the tail end (3), and a filter screen (8) is arranged at the water inlet.
3. The plug with the cooling structure as claimed in claim 2, further comprising a water return pipe and a water storage device, wherein the water outlet is provided with a flange (9), the side wall of the flange (9) is hermetically fixed at the water outlet, and the water outlet is connected with the water return pipe through the flange (9).
4. The plug with the cooling structure is characterized in that an oxide film is arranged on the periphery of the nose part (1) of the plug.
5. The plug with the cooling structure according to claim 4, wherein the included angles between the first injection holes (4) and the second injection holes (7) and the horizontal direction of the plug are 30-60 degrees.
6. The plug with the cooling structure according to claim 5, wherein the diameter of the first injection hole (4) is 3 to 4mm, and the diameter of the second injection hole (7) is 6 to 8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248654.5A CN111054756A (en) | 2019-12-09 | 2019-12-09 | Plug with cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248654.5A CN111054756A (en) | 2019-12-09 | 2019-12-09 | Plug with cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111054756A true CN111054756A (en) | 2020-04-24 |
Family
ID=70299944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911248654.5A Withdrawn CN111054756A (en) | 2019-12-09 | 2019-12-09 | Plug with cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111054756A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570518A (en) * | 2020-06-17 | 2020-08-25 | 无锡商业职业技术学院 | Material placing system for prolonging service life of automobile rolled pipe top |
| CN113680823A (en) * | 2021-08-31 | 2021-11-23 | 攀钢集团研究院有限公司 | Seamless steel pipe perforating machine and top thereof |
| CN115491670A (en) * | 2022-08-18 | 2022-12-20 | 江苏华洋新思路能源装备股份有限公司 | Seamless steel pipe piercing plug |
-
2019
- 2019-12-09 CN CN201911248654.5A patent/CN111054756A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570518A (en) * | 2020-06-17 | 2020-08-25 | 无锡商业职业技术学院 | Material placing system for prolonging service life of automobile rolled pipe top |
| CN111570518B (en) * | 2020-06-17 | 2022-03-18 | 无锡商业职业技术学院 | Material placing system for prolonging service life of automobile rolled pipe top |
| CN113680823A (en) * | 2021-08-31 | 2021-11-23 | 攀钢集团研究院有限公司 | Seamless steel pipe perforating machine and top thereof |
| CN113680823B (en) * | 2021-08-31 | 2024-03-12 | 攀钢集团研究院有限公司 | Seamless steel tube perforating machine and plug thereof |
| CN115491670A (en) * | 2022-08-18 | 2022-12-20 | 江苏华洋新思路能源装备股份有限公司 | Seamless steel pipe piercing plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200424 |