JPS61132230A - Manufacturing device of heat transfer tube with internal groove - Google Patents

Manufacturing device of heat transfer tube with internal groove

Info

Publication number
JPS61132230A
JPS61132230A JP25486784A JP25486784A JPS61132230A JP S61132230 A JPS61132230 A JP S61132230A JP 25486784 A JP25486784 A JP 25486784A JP 25486784 A JP25486784 A JP 25486784A JP S61132230 A JPS61132230 A JP S61132230A
Authority
JP
Japan
Prior art keywords
heat transfer
transfer tube
tube
disk
groove
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.)
Pending
Application number
JP25486784A
Other languages
Japanese (ja)
Inventor
Hiroshi Koto
古東　博
Tokuo Miyauchi
宮内　徳雄
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP25486784A priority Critical patent/JPS61132230A/en
Publication of JPS61132230A publication Critical patent/JPS61132230A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fixing For Electrophotography (AREA)

Abstract

PURPOSE:To reduce manufacturing costs by setting a groove forming disk on a hydraulic chuck of a lathe and pressing both a backup roll and the disk against the outside of the tube. CONSTITUTION:The groove forming disk 2 is set on the claw of the hydraulic chuck of the lathe and the backup roll 3 supporting the heat transfer tube 1 is also installed. The tube 1 is pulled in its axial direction, while both the disk 2 and the roll 3 are pressed and revolved simultaneously against and on the outside of the tube 1, respectively. This method forms a groove on the inside surface of the tube 1 and a groove lead angle 4 can easily be varied within 0-90 deg. by changing a holder of the disk 2. Manufacturing costs are reduced because the load angle 4 is variable in a wide range and its variation is performed by a simple device.

Description

【発明の詳細な説明】 ［産業上の利用分野１ 本発明は、熱伝達管の内面に溝を付ける装置特に加工が
簡便で製品が安価となる製造装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field 1] The present invention relates to an apparatus for forming grooves on the inner surface of a heat transfer tube, and in particular to a manufacturing apparatus that is easy to process and inexpensive.

［従来の技術１ 従来、熱伝達管の内面に溝を付ける加工装置として、ダ
イス、プラグまたはスヂールボールを使用する引抜装置
があった。[Prior Art 1] Conventionally, as a processing device for forming grooves on the inner surface of a heat transfer tube, there has been a drawing device that uses a die, a plug, or a steel ball.

［発明が解決しようと問題点］ これらの装置は所定の内面溝形状を得るためのダイス、
プラグのセットが複雑であり、溝リード角も管軸に対し
て最８３０°が限界となっており、その上溝部分の体積
が増加するため製品コストが高くなる問題点があった。[Problems to be solved by the invention] These devices use a die to obtain a predetermined inner groove shape;
The setting of the plug is complicated, the groove lead angle is limited to a maximum of 830° with respect to the tube axis, and the volume of the groove portion increases, resulting in an increase in product cost.

本発明の目的は、前記した従来の技術の問題点を解消し
加工が簡便で製品が安価となる。内面溝付き熱伝達管の
製造装置を提供することにある。An object of the present invention is to solve the problems of the conventional techniques described above, and to make the product easy to process and inexpensive. An object of the present invention is to provide an apparatus for manufacturing a heat transfer tube with internal grooves.

［問題点を解決するための手段１ 本発明に係る製造装置は、旋盤用の油圧チャックに溝加
工用ディスクを取付け、内面に溝が付けられる熱伝達管
をバックアップロールで支持したものである。[Means for Solving the Problems 1] The manufacturing apparatus according to the present invention is such that a grooving disk is attached to a hydraulic chuck for a lathe, and a heat transfer tube whose inner surface is to be grooved is supported by backup rolls.

［作　用］　、 本発明においては、熱伝達管の外側から溝加工用ディス
クおよびバックアップロールを同時に押し付けそれを熱
伝達管の外側を公転さゼながら熱伝達管をその管軸方向
に移動させることにより、熱伝達管の内面に溝を付ける
。[Function] In the present invention, the groove processing disk and the backup roll are simultaneously pressed from the outside of the heat transfer tube, and the heat transfer tube is moved in the axial direction of the heat transfer tube while revolving around the outside of the heat transfer tube. grooves on the inner surface of the heat transfer tube.

［実施例］ 第１図、第２図は本発明に係る製造装置の一実施例を示
す側面図、平面図である。図において、１は内面に溝が
付けられる熱伝達管例えば平滑な金属管、２は開閉自在
な旋盤用油圧チャックの爪（図示しない）に取付けた溝
加工用ディスク、３は同じく油圧チャックの爪（図示し
ない）に取付けられ、熱伝達管１を支持するバックアッ
プ０−ル、４は熱伝達管１の管軸となすリード角である
。[Embodiment] FIGS. 1 and 2 are a side view and a plan view showing an embodiment of a manufacturing apparatus according to the present invention. In the figure, 1 is a heat transfer tube with grooves on its inner surface, such as a smooth metal tube, 2 is a grooving disk attached to the pawl (not shown) of a hydraulic chuck for a lathe that can be opened and closed, and 3 is a pawl of the same hydraulic chuck. (not shown), which supports the heat transfer tube 1, is the lead angle formed with the tube axis of the heat transfer tube 1.

前記のように構成された製造装置においては、熱伝達管
１の外側から溝加工用ディスク２およびバックアップロ
ール３を同時に押し込み、これを熱伝達管１の外側を公
転させながら熱伝達管１を矢印の方向、つまりその管軸
方向に引き抜くことにより、熱伝達管の内面に溝を付け
る。リード角４は、溝加工用ディスク２のディスクボル
ダ−を交換することにより０°〜９０°まで容易に変え
ることかできる。In the manufacturing apparatus configured as described above, the grooving disk 2 and the backup roll 3 are simultaneously pushed in from the outside of the heat transfer tube 1, and while rotating the outside of the heat transfer tube 1, the heat transfer tube 1 is moved in the direction of the arrow. A groove is formed on the inner surface of the heat transfer tube by pulling it out in the direction of , that is, in the direction of the tube axis. The lead angle 4 can be easily changed from 0° to 90° by replacing the disc boulder of the grooving disc 2.

［発明の効果］ 本発明によれば、（１）ダイスやプラグを使用しないた
め熱伝達管の内面に溝を簡便に加工でき、（２）この内
面溝のリード角が０°〜９０°のものまで製造でき、し
かも、（３）体積増加なしに内面溝を付けるため安価な
内面溝付き熱伝達管が行ねられる効果がある。[Effects of the Invention] According to the present invention, (1) grooves can be easily formed on the inner surface of the heat transfer tube because no dies or plugs are used, and (2) the lead angle of the inner groove is between 0° and 90°. In addition, (3) since the internal grooves are provided without increasing the volume, an inexpensive heat transfer tube with internal grooves can be produced.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本発明の一実施例を示す側面図、第２図は第
１図に示した実施例の平面図である。 １は熱伝達管、２は溝加工用ディスク、２Ａはディスク
ホルダー、３はバックアップロール、４はリード角であ
る。FIG. 1 is a side view showing an embodiment of the present invention, and FIG. 2 is a plan view of the embodiment shown in FIG. 1 is a heat transfer tube, 2 is a groove processing disk, 2A is a disk holder, 3 is a backup roll, and 4 is a lead angle.

Claims (1)

【特許請求の範囲】[Claims] （１）開閉自在な旋盤用油圧チャックに取付けた溝加工
用ディスクと、内面に溝が付けられる熱伝達管を支持す
るバックアップロールとを備え、前記熱伝達管の外側か
ら前記ディスクおよび前記バックアップロールを同時に
押し付けこれを前記熱伝達管の外側を公転させながら前
記熱伝達管をその管軸方向に移動させることにより、前
記熱伝達管の内面に溝を付けることを特徴とする内面溝
付き熱伝達管の製造装置。(1) A grooving disk attached to a hydraulic chuck for a lathe that can be opened and closed, and a backup roll that supports a heat transfer tube whose inner surface is to be grooved, the disk and the backup roll being accessed from the outside of the heat transfer tube. The inner grooved heat transfer is characterized in that grooves are formed on the inner surface of the heat transfer tube by simultaneously pressing and moving the heat transfer tube in the tube axis direction while rotating the outside of the heat transfer tube. Pipe manufacturing equipment.
JP25486784A 1984-11-30 1984-11-30 Manufacturing device of heat transfer tube with internal groove Pending JPS61132230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25486784A JPS61132230A (en) 1984-11-30 1984-11-30 Manufacturing device of heat transfer tube with internal groove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25486784A JPS61132230A (en) 1984-11-30 1984-11-30 Manufacturing device of heat transfer tube with internal groove

Publications (1)

Publication Number Publication Date
JPS61132230A true JPS61132230A (en) 1986-06-19

Family

ID=17270940

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25486784A Pending JPS61132230A (en) 1984-11-30 1984-11-30 Manufacturing device of heat transfer tube with internal groove

Country Status (1)

Country Link
JP (1) JPS61132230A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0274719A2 (en) * 1987-01-13 1988-07-20 Gd-Anker Gmbh Thread-forming method and tubular body provided with a thread

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4912836A (en) * 1972-09-08 1974-02-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4912836A (en) * 1972-09-08 1974-02-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0274719A2 (en) * 1987-01-13 1988-07-20 Gd-Anker Gmbh Thread-forming method and tubular body provided with a thread

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