JPH0626737B2 - Shaft forming method for plate material - Google Patents
Shaft forming method for plate materialInfo
- Publication number
- JPH0626737B2 JPH0626737B2 JP1275235A JP27523589A JPH0626737B2 JP H0626737 B2 JPH0626737 B2 JP H0626737B2 JP 1275235 A JP1275235 A JP 1275235A JP 27523589 A JP27523589 A JP 27523589A JP H0626737 B2 JPH0626737 B2 JP H0626737B2
- Authority
- JP
- Japan
- Prior art keywords
- plate material
- tool
- diameter
- hole
- undergone
- 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
- 238000000034 method Methods 0.000 title claims description 16
- 238000003825 pressing Methods 0.000 claims description 7
- 235000013372 meat Nutrition 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、板材に各種部品を取付けるための軸部を一体
に形成するための、板材への軸部成形方法に関するもの
である。Description: TECHNICAL FIELD The present invention relates to a method of forming a shaft portion on a plate material, for integrally forming a shaft portion for mounting various parts on the plate material.
（従来の技術） 板状の部材（以下、板材という）に他の部材を軸着する
には、板材に孔を穿設してこの孔に別途製作した軸部材
を挿通し、この軸部材の一部を叩いて変形させる手段に
より、あるいはねじ構造を用いて板材に一体化し、軸着
する部材に孔を設けてこの孔に板材から起立した軸部材
を挿通する構造をとるのが普通である。軸部材を板材に
一体化する他の手段としては、圧入や接着、溶着等が考
えられるが、いずれにしても板材と軸部材は別体に製作
することになる。(Prior Art) In order to pivotally attach another member to a plate-shaped member (hereinafter referred to as a plate member), a hole is made in the plate member, and a separately manufactured shaft member is inserted through the hole, and the shaft member It is common to adopt a structure in which a shaft member standing up from the plate member is inserted into the hole by forming a hole in the shaft member by integrating the plate member by a means of striking a part of the member or using a screw structure. . As another means for integrating the shaft member with the plate member, press fitting, adhesion, welding, or the like can be considered, but in any case, the plate member and the shaft member are manufactured separately.
（発明が解決しようとする課題） このように軸部材を板材と別体に製作し、これらを結合
する工程を有する従来の技術では、部品点数と作業工程
が多くなり、コスト高となる問題があった。本発明はこ
の点に鑑みて成されたものであり、軸部材を用いること
なしに、板材の一部を軸状に変形することによって、軸
部材の機能を持たせるようにした、板材への軸部成形方
法を提供することを目的とする。(Problems to be Solved by the Invention) As described above, in the conventional technique including the step of manufacturing the shaft member separately from the plate material and connecting these, there is a problem that the number of parts and the work process increase, and the cost increases. there were. The present invention has been made in view of this point, and without using the shaft member, by deforming a part of the plate material into a shaft shape, it has a function of the shaft member, to the plate material It is an object to provide a shaft forming method.
（課題を解決するための手段） 本発明は、上記課題を解決するための手段として、第１
の発明では、先端が平坦で該先端からテーパ状に拡開す
る第１の工具２により、板材１をその一面から押圧し
て、片面に穴３を他面に突出部４を形成する第１の工程
と、該第１の工程を経た板材１に、外形の直径寸法ａが
前記板材１に形成された突出部４の外形の直径寸法ｂよ
り大きい円柱状の第２の工具５の下面5aを穴３側から当
接させ押圧することにより、押された部分の肉量が抵抗
のない空間部4aに移動しながら突出部４にも移動するこ
とにより、前記突出部４をさらに突出させる第２の工程
と、該第２の工程を経た板材１に前記第１の工具２を再
度押し当てて突出部４に高さを加える第３の工程からな
る、板材への軸部成形方法を得たものである。(Means for Solving the Problems) The present invention provides a first means for solving the above problems.
In the invention, the first tool 2 having a flat tip and expanding from the tip in a tapered shape presses the plate material 1 from one surface thereof to form the hole 3 on one surface and the protrusion 4 on the other surface. Of the second tool 5 having a cylindrical shape in which the outer diameter diameter a is larger than the outer diameter diameter b of the protrusion 4 formed on the plate material 1 after the step 1 and the first step. By abutting and pressing from the hole 3 side, the meat amount of the pressed portion moves to the protruding portion 4 while moving to the space portion 4a where there is no resistance. A shaft portion forming method for a plate material, comprising a step 2 and a third step of pressing the first tool 2 again on the plate material 1 that has undergone the second step to add a height to the protrusion 4. It is a thing.
また、第２の発明においては、前記第３の工程を経た板
材１に細径の棒状部分を有する第３の工具11を貫通させ
ることにより、前記突出部４の先端に孔10を穿設する第
４の工程と、該第４の工程を経た板材１に前記第３の工
具11の棒状部分より太径の棒状部分を有する第４の工具
13の該棒状部分を貫通させることにより該孔10の拡径を
行なう第５の工程とを加え、孔あきの軸部を得る、板材
への軸部成形方法を確立したものである。Further, in the second invention, a hole 10 is formed at the tip of the protruding portion 4 by penetrating the third tool 11 having a bar portion having a small diameter through the plate material 1 which has undergone the third step. A fourth step, and a fourth tool having a bar-shaped portion having a diameter larger than that of the bar-shaped portion of the third tool 11 on the plate material 1 that has undergone the fourth step.
A fifth step of expanding the diameter of the hole 10 by penetrating the rod-shaped portion of 13 is added to establish a method of forming a shaft portion into a plate material, which obtains a shaft portion having a hole.
（作用） このような成形方法をとれば、板材の一部が、そのまま
軸部を形成することになるから、この軸部に軸着すべき
部材を取付けることができることになる。(Operation) By adopting such a molding method, a part of the plate material forms the shaft portion as it is, so that a member to be shaft-attached can be attached to the shaft portion.
（実施例） 次に、図を用いて本発明に係る板材への軸部成形方法を
説明する。第１図は第１の発明の工程を示すものであ
る。まず板材１に、先端が平坦で、この先端からテーパ
状に拡開する形状を有する第１の工具２を、その一面か
ら押圧して、片面に穴３を他面に突出部４を形成する第
１の工程を行ない、次にこの第１の工程を経た板材１
に、外形の直径寸法ａが前記板材１に形成された突出部
４の外形の直径寸法ｂより大きい円柱状の第２の工程５
の下面5aを穴３側から当接させ押圧することにより、押
された部分の肉量が抵抗のない空間部4aに移動しながら
突出部４にも移動することにより、前記突出部４をさら
に突出させる第２の工程を行なう。続いて、この第２の
工程を経た板材１に前記第１の工具２を再度押し当て
て、突出部４に高さを加える第３の工程を行なう。(Example) Next, a method of forming a shaft portion on a plate material according to the present invention will be described with reference to the drawings. FIG. 1 shows the steps of the first invention. First, a first tool 2 having a flat tip and a shape expanding from the tip in a tapered shape is pressed from one surface of the plate material 1 to form a hole 3 on one surface and a protrusion 4 on the other surface. The plate material 1 that has undergone the first step and then the first step
And a cylindrical second step 5 in which the outer diameter dimension a is larger than the outer diameter dimension b of the protrusion 4 formed on the plate member 1.
By abutting and pressing the lower surface 5a from the hole 3 side, the thickness of the pressed portion moves to the protrusion 4 while moving to the space 4a where there is no resistance. The second step of projecting is performed. Then, a third step is performed in which the first tool 2 is pressed again against the plate material 1 that has undergone the second step to add a height to the protrusion 4.
これによって板材１の一部に、板材１の厚さの３倍程度
の高さを有する突出部４を形成することができる。した
がって第３図に示すように、この突出部４に軸着部材７
の孔８の部分を嵌挿することによって、軸着部材７を突
出部４に装着することができる。なお、抜け止めを考慮
した場合には、第４図に示すように、突出部４の頭部を
叩いて潰し、フランジ部９を形成すれば、このフランジ
部９により、軸着部材７の脱落防止効果を得ることがで
きる。This makes it possible to form, on a part of the plate member 1, the protrusion 4 having a height about three times the thickness of the plate member 1. Therefore, as shown in FIG.
The shaft mounting member 7 can be attached to the protrusion 4 by inserting and inserting the portion of the hole 8 of FIG. Note that, in consideration of retaining, when the head portion of the protruding portion 4 is hit and crushed to form the flange portion 9 as shown in FIG. 4, the flange portion 9 causes the shaft mounting member 7 to fall off. A preventive effect can be obtained.
第２図に示すものは、本発明中の第２の発明である。こ
れは突出部４に孔10を設ける場合のものであって、上記
第１の発明で得た突出部４の先端を抜くものである。こ
れを説明すると、第１の発明における第３の工程を経た
板材１に細径の棒状部分を有する第３の工具11を貫通さ
せることにより、突出部４の先端を符号12で示すように
打抜いて、ここに孔10を穿設する第４の工程を行ない、
この第４の工程を経た板材１に前記第３の工具11の棒状
部分より太径の棒状部分を有する第４の工具13の棒状部
分を貫通させることにより、孔10の拡径を行なう第５の
工程とを加えて、孔あきの突出部４を形成し、これを軸
部とするものである。What is shown in FIG. 2 is a second invention in the present invention. This is a case in which the hole 10 is provided in the projecting portion 4, and the tip of the projecting portion 4 obtained in the first invention is pulled out. Explaining this, the tip of the projecting portion 4 is struck as indicated by reference numeral 12 by penetrating the third tool 11 having a small-diameter rod-shaped portion through the plate material 1 that has undergone the third step in the first invention. Pull out and perform the fourth step of making holes 10 here,
The diameter of the hole 10 is expanded by penetrating the rod-shaped portion of the fourth tool 13 having a rod-shaped portion having a larger diameter than the rod-shaped portion of the third tool 11 through the plate material 1 that has undergone the fourth step. In addition to the above process, the perforated protrusion 4 is formed and used as the shaft.
第５図および第６図は、このようにして板材１に一体に
形成された突出部４に軸着部材７を取付ける場合を示す
ものであり、第５図の状態では、軸着部材７を図におけ
る上方に引くことにより抜けるものを表わし、第６図の
状態では突出部４の上端を外側に開いてフランジ部14に
形成し、抜け止めを図ったものである。FIGS. 5 and 6 show a case where the shaft mounting member 7 is mounted on the projecting portion 4 integrally formed on the plate member 1 in this manner, and in the state of FIG. In the state shown in FIG. 6, the upper end of the projecting portion 4 is opened to the outside to form a flange portion 14 so as to prevent it from coming off.
（発明の効果） 本発明は、以上説明したように構成された板材への軸部
成形方法であるから、次のような多くの効果がある。(Effects of the Invention) Since the present invention is a method for forming a shaft portion on a plate material configured as described above, it has the following many effects.
板厚の３倍以上の高さの突出部（軸部）が、板材と一
体に成形できる。したがって従来用いられていたレース
部品やカシメ工程の廃止をすることができる。The protruding portion (shaft portion) having a height three times or more the plate thickness can be integrally formed with the plate material. Therefore, the race parts and the caulking process which have been conventionally used can be eliminated.
孔のない柱状、孔のあるパイプ状のもののいずれのも
のも製作することができる。なお、パイプ状のものの方
が高さを大きくすることができる。Both a column without holes and a pipe with holes can be manufactured. The height of the pipe-shaped member can be increased.
突出部は、板材の広い面積の、どの部分にも何本でも
設けることができる。これにより、地板等、レース部品
の軸を数多くカシメているようなところに特に有効であ
る。Any number of protrusions can be provided in any part of a large area of the plate material. As a result, it is particularly effective in places such as the ground plate where many shafts of race parts are caulked.
以上により、別部材（軸着部材）のカシメ軸として利
用することができる。As described above, it can be used as a caulking shaft of another member (shaft mounting member).
突出部（軸部）が板材と一体に成形できるため、カシ
メやスポット溶接等による、軸着部品のグラつき、抜け
がなくなる。Since the projecting portion (shaft portion) can be integrally formed with the plate material, there is no glaring or dropout of the shaft-mounted component due to caulking or spot welding.
一体成形のため、位置精度ならびにたおれ精度が向上
する。Positioning accuracy and sagging accuracy are improved due to integral molding.
第１図および第２図は本発明方法の工程を説明する一部
断面図、第３図ないし第６図は本発明によて成形された
突出部の使用状態を示す断面図である。 １……板材 ２……第１の工具 ３……穴 ４……突出部 4a……空間部 ５……第２の工具 5a……下面 10……孔 11……第３の工具 13……第４の工具 ａ……第２の工具の外形の直径寸法 ｂ……突出部の外形の直径寸法FIGS. 1 and 2 are partial cross-sectional views for explaining the steps of the method of the present invention, and FIGS. 3 to 6 are cross-sectional views showing the usage state of the protrusion formed by the present invention. 1 ... Plate material 2 ... First tool 3 ... Hole 4 ... Projection 4a ... Space 5 ... Second tool 5a ... Bottom surface 10 ... Hole 11 ... Third tool 13 ... Fourth tool a …… Diameter of outer diameter of second tool b …… Diameter of outer diameter of protrusion
Claims (2)
る第１の工具により、板材をその一面から押圧して、片
面に穴を他面に突出部を形成する第１の工程と、該第１
の工程を経た板材に、外形の直径寸法が前記板材に形成
された突出部外形の直径寸法より大きい円柱状の第２の
工具の下面を穴側から当接させ押圧することにより、押
された部分の肉量が抵抗のない空間部に移動しながら突
出部にも移動することにより、前記突出部をさらに突出
させる第２の工程と、該第２の工程を経た板材に前記第
１の工具を再度押し当てて突出部に高さを加える第３の
工程からなる、板材への軸部成形方法。1. A first step of pressing a plate material from one surface thereof to form a hole on one surface and a projecting portion on the other surface by a first tool having a flat tip and expanding in a tapered shape from the tip. , The first
Pressed by abutting the lower surface of the cylindrical second tool from the hole side to press the plate material that has undergone the process of (1), the outer diameter diameter of which is larger than the outer diameter diameter of the protrusion formed on the plate material. A second step of further projecting the projecting portion by moving the amount of meat of the portion to the projecting portion while moving to the space without resistance, and the first tool for the plate material that has undergone the second step. A method of forming a shaft portion on a plate material, which comprises a third step of pressing again to add height to the protruding portion.
る第１の工具により、板材をその一面から押圧して、片
面に穴を他面に突出部を形成する第１の工程と、該第１
の工程を経た板材に、外形の直径寸法が前記板材に形成
された突出部外形の直径寸法より大きい円柱状の第２の
工具の下面を穴側から当接させ押圧することにより、押
された部分の肉量が抵抗のない空間部に移動しながら突
出部にも移動することにより、前記突出部をさらに突出
させる第２の工程と、該第２の工程を経た板材に前記第
１の工具を再度押し当てて突出部に高さを加える第３の
工程と、該第３の工程を経た板材に細径の棒状部分を有
する第３の工具を貫通させることにより、前記突出部の
先端に孔を穿設する第４の工程と、該第４の工程を経た
板材に前記第３の工具の棒状部分より太径の棒状部分を
有する第４の工具の該棒状部分を貫通させることにより
該孔の拡径を行なう第５の工程からなる、板材への軸部
成形方法。2. A first step of pressing a plate member from one surface thereof to form a hole on one surface and a protruding portion on the other surface by a first tool having a flat tip and expanding in a tapered shape from the tip. , The first
Pressed by abutting the lower surface of the cylindrical second tool from the hole side to press the plate material that has undergone the process of (1), the outer diameter diameter of which is larger than the outer diameter diameter of the protruding portion formed on the plate material. A second step of further projecting the projecting portion by moving the amount of meat of the portion to the projecting portion while moving to the space without resistance, and the first tool for the plate material that has undergone the second step. By pressing again to add height to the protrusion, and by passing a third tool having a bar portion with a small diameter through the plate material that has undergone the third step, the tip of the protrusion is A fourth step of forming a hole; and a step of passing the rod-shaped portion of the fourth tool having a rod-shaped portion having a diameter larger than that of the rod-shaped portion of the third tool through the plate material which has undergone the fourth step, A method of forming a shaft portion on a plate material, which comprises a fifth step of expanding the diameter of a hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1275235A JPH0626737B2 (en) | 1989-10-23 | 1989-10-23 | Shaft forming method for plate material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1275235A JPH0626737B2 (en) | 1989-10-23 | 1989-10-23 | Shaft forming method for plate material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03138031A JPH03138031A (en) | 1991-06-12 |
| JPH0626737B2 true JPH0626737B2 (en) | 1994-04-13 |
Family
ID=17552584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1275235A Expired - Lifetime JPH0626737B2 (en) | 1989-10-23 | 1989-10-23 | Shaft forming method for plate material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0626737B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0729002A2 (en) | 1995-02-27 | 1996-08-28 | Mitsubishi Denki Kabushiki Kaisha | Heat exchanger, refrigeration system, air conditioner, and method and apparatus for fabricating heat exchanger |
| WO2023100782A1 (en) * | 2021-12-02 | 2023-06-08 | 株式会社アマダ | Positioning structure and positioning method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5404208B2 (en) * | 2009-06-26 | 2014-01-29 | 三菱電機株式会社 | Fin collar forming device for heat exchanger fins |
| JP5937487B2 (en) * | 2012-10-29 | 2016-06-22 | 株式会社松尾製作所 | Sheet metal forming method |
-
1989
- 1989-10-23 JP JP1275235A patent/JPH0626737B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0729002A2 (en) | 1995-02-27 | 1996-08-28 | Mitsubishi Denki Kabushiki Kaisha | Heat exchanger, refrigeration system, air conditioner, and method and apparatus for fabricating heat exchanger |
| WO2023100782A1 (en) * | 2021-12-02 | 2023-06-08 | 株式会社アマダ | Positioning structure and positioning method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03138031A (en) | 1991-06-12 |
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