JP2594662B2 - Equipment for manufacturing copper tubing with internal grooves - Google Patents
Equipment for manufacturing copper tubing with internal groovesInfo
- Publication number
- JP2594662B2 JP2594662B2 JP2032659A JP3265990A JP2594662B2 JP 2594662 B2 JP2594662 B2 JP 2594662B2 JP 2032659 A JP2032659 A JP 2032659A JP 3265990 A JP3265990 A JP 3265990A JP 2594662 B2 JP2594662 B2 JP 2594662B2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- copper plate
- copper
- partition
- groove rolling
- 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.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/227—Surface roughening or texturing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、内面溝付銅管となる帯状の銅板に溝を形成
するための内面溝付銅管材料の製造装置に関するもので
ある。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for producing an inner grooved copper tube material for forming a groove in a strip-shaped copper plate to be an inner grooved copper pipe.
［従来の技術］ この種の内面溝付銅管材料の製造装置としては、内面
溝付銅管を製造するための帯状の銅板の板面に斜めの溝
を形成する溝圧延ロールを備えたものが知られている。[Prior Art] As an apparatus for producing this type of copper pipe with internal grooves, there is provided a grooved roll for forming oblique grooves on the surface of a strip-shaped copper plate for producing a copper pipe with internal grooves. It has been known.
［発明が解決しようとする課題］ ところが、上記従来の内面溝付銅管材料の製造装置に
おいては、溝圧延ロールから銅板に作用する力が溝を介
して送り方向に斜めに働くため、該銅板の移動方向が徐
々に変化してしまうという欠点がある。[Problems to be Solved by the Invention] However, in the above-described conventional apparatus for manufacturing a copper pipe material with an inner groove, the force acting on the copper plate from the grooved roll acts obliquely in the feed direction via the groove, so that the copper plate There is a disadvantage that the moving direction changes gradually.
本発明は、上記事情に鑑みてなされたものであり、銅
板の移動方向を一定に保つことのできる内面溝付銅管材
料の製造装置を提供することを目的としている。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an apparatus for manufacturing an inner grooved copper pipe material capable of keeping a moving direction of a copper plate constant.
［課題を解決するための手段］ 本発明は、上記目的を達成するため、内面溝付銅管と
なる帯状の銅板の板面にその長手方向に対して交差する
方向に溝を形成する溝圧延ロールを備えた内面溝付銅管
材料の製造装置において、 前記溝圧延ロールの、前記銅板の板面の両側縁部に対
応する位置に、拡径部を形成したものである。Means for Solving the Problems In order to achieve the above object, the present invention provides groove rolling in which a groove is formed on a plate surface of a strip-shaped copper plate serving as an inner surface grooved copper tube in a direction intersecting the longitudinal direction thereof. In the apparatus for manufacturing an internally grooved copper pipe material provided with a roll, an enlarged-diameter portion is formed at a position corresponding to both side edges of a plate surface of the copper plate on the grooved roll.
［作用］ 本発明においては、溝圧延ロールの周面で銅板の板面
に溝を形成するとともに、該溝圧延ロールの拡径部で該
銅板の各側縁部に凹部を形成する。この際、溝圧延ロー
ルは、その拡径部で銅板の凹部を案内することになるか
ら、該銅板をほぼ真っ直ぐに案内しながら移動すること
になる。[Operation] In the present invention, a groove is formed on the surface of the copper plate on the peripheral surface of the groove rolling roll, and a concave portion is formed on each side edge of the copper plate at the enlarged diameter portion of the groove rolling roll. At this time, since the groove rolling roll guides the concave portion of the copper plate at the enlarged diameter portion, it moves while guiding the copper plate almost straight.
［実施例］ 以下、第１図ないし第５図を参照して本発明の一実施
例を説明する。Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 to 5.
第１図において、１は圧延装置であり、２は内面溝付
銅管材料を製造するために供給された帯状の銅板であ
る。In FIG. 1, reference numeral 1 denotes a rolling mill, and reference numeral 2 denotes a strip-shaped copper plate supplied for manufacturing an inner grooved copper tube material.
圧延装置１は、銅板２に溝等を形成する溝圧延ローラ
３と、圧延時に該銅板２を保持するする保持ローラ４と
を備えたものである。The rolling device 1 includes a groove rolling roller 3 for forming a groove or the like in the copper plate 2 and a holding roller 4 for holding the copper plate 2 during rolling.
溝圧延ローラ３は、外周面に２列の溝圧延部５が形成
され、これら２列の溝圧延部５の境に周方向に連続して
隆起する仕切拡径部６が形成され、両端部に側縁拡径部
７が形成されたものである。上記溝圧延ロール３の溝圧
延部５は、円筒状の外周面に直線状に延びる突条5aが複
数形成されたものであり、該突条5aは溝圧延ローラ３の
軸線に対して斜めに傾けられて形成されている。The groove rolling roller 3 is formed with two rows of groove rolling portions 5 on the outer peripheral surface, and at the boundary between these two rows of groove rolling portions 5, formed with a partition enlarged diameter portion 6 that continuously rises in the circumferential direction. A side edge enlarged diameter portion 7 is formed on the side wall. The groove rolling portion 5 of the groove rolling roll 3 is formed by forming a plurality of linearly extending ridges 5 a on a cylindrical outer peripheral surface, and the ridges 5 a are inclined with respect to the axis of the groove rolling roller 3. It is formed inclined.
銅板２は、第２図に示すように、帯状に形成されたも
のであり、溝圧延ロール３の溝圧延部５の突条5aによっ
て、斜めに延びる複数の溝８が左右２列にわたって形成
され、その境に溝圧延ロール３の仕切拡径部６によって
仕切凹部９が形成され、また両側縁部に溝圧延ロール３
の側縁拡径部７によって側縁凹部10が形成されている。As shown in FIG. 2, the copper plate 2 is formed in a band shape, and a plurality of diagonally extending grooves 8 are formed in two rows on the left and right by the ridges 5a of the groove rolling portion 5 of the groove rolling roll 3. A partition recess 9 is formed at the boundary by the partition enlarged diameter portion 6 of the groove rolling roll 3, and the groove rolling roll 3 is formed on both side edges.
The side edge concave portion 10 is formed by the side edge enlarged diameter portion 7.
そして、第３図に示すように、溝圧延ロール３の仕切
拡径部６は、溝圧延部５からテーパ部6aを経て断面台形
状に隆起され、また側縁拡径部７も溝圧延部５からテー
パ部7aを経て隆起されている。このため、銅板２の仕切
凹部９には、テーパ部6aに対応する位置に斜面9aが形成
され、側面凹部10には、テーパ部7aに対応する位置に斜
面10aが形成されている。As shown in FIG. 3, the partition expanding portion 6 of the groove rolling roll 3 is raised from the groove rolling portion 5 through the tapered portion 6a into a trapezoidal cross section. 5 is raised through a tapered portion 7a. Therefore, a slope 9a is formed in the partition recess 9 of the copper plate 2 at a position corresponding to the tapered portion 6a, and a slope 10a is formed in the side recess 10 at a position corresponding to the tapered portion 7a.
ただし、上記テーパ部6a、7aについては、その角部
に、第４図に示すように、円弧状の曲面Ｒを形成するよ
うにしてもよい。However, as for the tapered portions 6a and 7a, an arcuate curved surface R may be formed at the corners as shown in FIG.
また、上記銅板２は、スリッタ（図示せず）等によっ
て仕切凹部９の中心線Ｃから切断されて、二つに分割さ
れるようになっている。そして、２つに切断された銅板
２は、それぞれ第５図に示すように、長手方向を軸心に
して管状に形成され、継ぎ目部となる仕切凹部９の側縁
および側縁凹部10の側縁を溶接して、伝熱管11を形成す
るようになっている。そして、継ぎ目部には、溶接によ
る溶接ビード12が外周面および内周面に発生する。ただ
し、外周面の溶接ビード12は、切削等により取り除く。The copper plate 2 is cut from the center line C of the partitioning recess 9 by a slitter (not shown) or the like, and is divided into two. As shown in FIG. 5, each of the two cut copper plates 2 is formed in a tubular shape with the longitudinal direction as the axis, and the side edge of the partition recess 9 and the side of the side edge recess 10 serving as seams. The heat transfer tube 11 is formed by welding the edges. Then, a weld bead 12 due to welding is generated on the outer peripheral surface and the inner peripheral surface at the joint portion. However, the weld bead 12 on the outer peripheral surface is removed by cutting or the like.
伝熱管11は、通常その外周に放熱フィン（図示せず）
を連結して用いられるが、その連結は該伝熱管11を放熱
フィンの穴に挿通した状態で、該伝熱管11に拡管治具
（図示せず）を押し込み、これによって管径を太くする
ことによって行っている。The heat transfer tube 11 usually has a radiation fin (not shown)
When the heat transfer tube 11 is inserted into the hole of the radiation fin, a pipe expansion jig (not shown) is pushed into the heat transfer tube 11 to increase the diameter of the tube. Has gone by.
上記のように構成された圧延装置１においては、溝圧
延ロール３による送り力が溝８の延在する方向に直角に
作用するため、銅板２を送り方向に対して斜めに移動す
るような力が発生する。しかし、溝圧延ロール３の仕切
拡径部６および側縁拡径部７によって、銅板２に仕切凹
部９および側縁凹部10を形成しているため、該仕切拡径
部６および側縁拡径部７で該銅板２の仕切凹部９や側縁
凹部10を案内することになる。In the rolling device 1 configured as described above, since the feed force by the groove rolling rolls 3 acts at right angles to the direction in which the grooves 8 extend, a force that moves the copper plate 2 obliquely to the feed direction. Occurs. However, since the partition concave portion 9 and the side edge concave portion 10 of the grooved roll 3 form the partition concave portion 9 and the side edge concave portion 10 in the copper plate 2, respectively. The part 7 guides the partition recess 9 and the side edge recess 10 of the copper plate 2.
また、伝熱管11には仕切凹部９と側縁凹部10との継ぎ
目に溶接ビード12が生じるが、この溶接ビード12は内面
においては凹部９、10に生じるので、該溶接ビード12が
伝熱管11の内面の溝高さよりも高くなることがない。こ
のため、伝熱管11を拡管する際に、該伝熱管11内に拡管
治具を挿入しても、前記溶接ビード12を削り落すことが
ない。Further, a weld bead 12 is formed at the joint between the partition recess 9 and the side edge recess 10 in the heat transfer tube 11, and the weld bead 12 is formed in the recesses 9 and 10 on the inner surface. It does not become higher than the height of the groove on the inner surface. Therefore, when the heat transfer tube 11 is expanded, even if the pipe expansion jig is inserted into the heat transfer tube 11, the welding bead 12 is not cut off.
上記のように構成された圧延装置によれば、銅板２の
仕切凹部９および側縁凹部10を溝圧延ロール３の仕切拡
径部６および側縁拡径部７で案内することができるか
ら、溝８の圧延に際して、銅板２を、正規の送り方向に
沿って真っ直ぐに送ることができる。According to the rolling device configured as described above, the partition concave portion 9 and the side edge concave portion 10 of the copper plate 2 can be guided by the partition enlarged diameter portion 6 and the side edge enlarged diameter portion 7 of the groove rolling roll 3. When rolling the grooves 8, the copper plate 2 can be fed straight along the normal feed direction.
また、上記伝熱管11によれば、その拡管時に溶接ビー
ド12が拡径治具によって削り落とされることがないか
ら、その切屑が噛んで、拡管治具の挿入抵抗を著しく増
加したり、、伝熱管11の内面を傷付けたりすることや金
属粉の混入による空調機等の故障を防止することができ
る。しかも、仕切凹部９や側縁凹部10が斜面9a、9bで形
成されているので、この部分の応力集中の度合を緩和す
ることができ、拡管時および拡管後の強度を十分保持す
ることができる。Further, according to the heat transfer tube 11, since the weld bead 12 is not scraped off by the diameter expanding jig at the time of expanding the tube, the chip is bitten, thereby significantly increasing the insertion resistance of the tube expanding jig, or It is possible to prevent the inner surface of the heat pipe 11 from being damaged or to prevent a failure of the air conditioner or the like due to mixing of metal powder. Moreover, since the partition recess 9 and the side edge recess 10 are formed by the slopes 9a and 9b, the degree of stress concentration at these portions can be reduced, and the strength at the time of expansion and after expansion can be sufficiently maintained. .
なお、上記実施例においては、溝圧延ロールに、仕切
拡径部６で仕切って２つの溝圧延部５を形成するように
構成したが、仕切拡径部６を２つ以上形成して、３つ以
上の溝圧延部５を形成するように構成してもよく、ま
た、仕切拡径部６を取り除き、１つの溝圧延部５のみを
形成するように構成してもよいことはいうまでもない。In the above embodiment, two groove rolling portions 5 are formed by dividing the groove rolling roll with the partition expanding portion 6, but two or more partition expanding portions 6 are formed. It is needless to say that one or more grooved rolling portions 5 may be formed, or the partition enlarged diameter portion 6 may be removed to form only one grooved rolling portion 5. Absent.
［発明の効果］ 以上説明したように、本発明によれば、内面溝付銅管
となる帯状の銅板の板面にその長手方向に対して交差す
る方向に溝を形成する溝圧延ロールを備えた内面溝付銅
管材料の製造装置において、 前記溝圧延ロールの、前記銅板の板面の両側縁部に対
応する位置に、拡径部を形成したものであるから、 この拡径部によって銅板の各側縁部に凹部を圧延しな
がら、該銅板に溝を形成することができる。[Effects of the Invention] As described above, according to the present invention, there is provided a groove rolling roll for forming a groove in a direction intersecting the longitudinal direction on the plate surface of a strip-shaped copper plate to be an internally grooved copper tube. In the apparatus for manufacturing a copper pipe material with an inner groove, the grooved roll is formed at a position corresponding to both side edges of the plate surface of the copper plate. A groove can be formed in the copper plate while rolling a concave portion on each side edge of the copper plate.
したがって、銅板の凹部を溝圧延ロールの拡径部で案
内することができるから、銅板を正規の送り方向に真っ
直ぐに送ることができる。Therefore, since the concave portion of the copper plate can be guided by the enlarged diameter portion of the groove rolling roll, the copper plate can be fed straight in the normal feed direction.
第１図ないし第５図は本発明の一実施例を示す図であっ
て、第１図は銅板の圧延装置の要部断面図、第２図は銅
板の平面図、第３図は溝圧延ローラの要部拡大断面図、
第４図は他の溝圧延ローラの要部拡大断面図、第５図は
伝熱管を示す断面図である。 ２……銅板、 ３……溝圧延ロール、 ６……仕切拡径部、 ７……側縁拡径部、 ８……溝。1 to 5 are views showing an embodiment of the present invention. FIG. 1 is a sectional view of a main part of a copper plate rolling apparatus, FIG. 2 is a plan view of a copper plate, and FIG. Enlarged cross-sectional view of the main part of the roller,
FIG. 4 is an enlarged sectional view of a main part of another groove rolling roller, and FIG. 5 is a sectional view showing a heat transfer tube. 2 ... copper plate, 3 ... groove rolling roll, 6 ... partition enlarged diameter part, 7 ... side edge enlarged diameter part, 8 ... groove.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭54−50464（ＪＰ，Ａ) 特開 昭63−207402（ＪＰ，Ａ) 特開 昭63−165011（ＪＰ，Ａ) 特開 昭56−151130（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-54-50464 (JP, A) JP-A-63-207402 (JP, A) JP-A-63-165011 (JP, A) 151130 (JP, A)
Claims (1)
の長手方向に対して交差する方向に溝を形成する溝圧延
ロールを備えた内面溝付銅管材料の製造装置において、 前記溝圧延ロールには、前記銅板の板面の両側縁部に対
応する位置に拡径部が形成されていることを特徴とする
内面溝付銅管材料の製造装置。An apparatus for producing an internally grooved copper pipe material, comprising: a groove rolling roll for forming a groove in a direction intersecting with the longitudinal direction on a plate surface of a strip-shaped copper plate to be an internally grooved copper pipe. An apparatus for manufacturing a copper pipe material having an inner surface groove, wherein an enlarged diameter portion is formed in the groove rolling roll at a position corresponding to both side edges of the plate surface of the copper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2032659A JP2594662B2 (en) | 1990-02-14 | 1990-02-14 | Equipment for manufacturing copper tubing with internal grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2032659A JP2594662B2 (en) | 1990-02-14 | 1990-02-14 | Equipment for manufacturing copper tubing with internal grooves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03238109A JPH03238109A (en) | 1991-10-23 |
| JP2594662B2 true JP2594662B2 (en) | 1997-03-26 |
Family
ID=12364995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2032659A Expired - Lifetime JP2594662B2 (en) | 1990-02-14 | 1990-02-14 | Equipment for manufacturing copper tubing with internal grooves |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2594662B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107016445A (en) | 2009-02-02 | 2017-08-04 | 行星排放管理公司 | The system for monitoring each system of greenhouse gases flux |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5810582U (en) * | 1981-07-15 | 1983-01-24 | 株式会社日立製作所 | heat exchanger tube |
| JPH01104415A (en) * | 1987-10-14 | 1989-04-21 | Hitachi Cable Ltd | Manufacture of pipe with worked inner surface |
| JPH01233013A (en) * | 1988-03-10 | 1989-09-18 | Sumitomo Light Metal Ind Ltd | Manufacture of heat transfer pipe |
-
1990
- 1990-02-14 JP JP2032659A patent/JP2594662B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03238109A (en) | 1991-10-23 |
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