JPS5946715B2 - Can body blank side cleaning method - Google Patents
Can body blank side cleaning methodInfo
- Publication number
- JPS5946715B2 JPS5946715B2 JP14447380A JP14447380A JPS5946715B2 JP S5946715 B2 JPS5946715 B2 JP S5946715B2 JP 14447380 A JP14447380 A JP 14447380A JP 14447380 A JP14447380 A JP 14447380A JP S5946715 B2 JPS5946715 B2 JP S5946715B2
- Authority
- JP
- Japan
- Prior art keywords
- body blank
- cutting
- cleaning method
- guides
- side end
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 10
- 238000005520 cutting process Methods 0.000 claims description 28
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000003801 milling Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000005029 tin-free steel Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Milling, Broaching, Filing, Reaming, And Others (AREA)
- Milling Processes (AREA)
Description
【発明の詳細な説明】
本発明は薄板形状の被加工品例えば缶容器の筒形状に加
工形成前の缶胴ブランクの両側端上下面を切削し清浄化
を施す缶胴ブランク側端清浄法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for cleaning the side edges of a can body blank by cutting and cleaning the upper and lower surfaces of both sides of the can body blank before processing and forming it into a thin plate-shaped workpiece, such as a cylindrical shape of a can container. .
ティンフリースチールに溶接を施す場合その箇所の被覆
を予め剥して置く必要がある。When welding tin-free steel, it is necessary to remove the coating in advance.
缶容器の材料としてティンフリースチールを用いて溶接
缶を製造するに当つては、缶胴ブランクの両側端、即ち
重合し溶接される部分のクロムメッキ層の被覆を剥し清
浄化して置く必要がある。この種装置として特公昭５１
−１４１８９号の装置が存在し、搬送通路に沿つて送ら
れる缶胴ブランクの両側端を切削する切削工具たるミリ
ングカッターが、その回転軸を前記缶胴ブランクの搬送
通路上を搬送される缶胴ブランクに対し搬送水平方向に
角度を持つて水平に設定され、缶胴ブランク両側端にミ
リングカッターのカッター部全体が接触し、缶胴ブラン
ク両側端を撓ませて切削する技術が開示されているが、
前述の如く切削工具たるミリングカッターはその回転軸
が搬送通路上を搬送される缶胴ブランクに水平平行に調
節設定された上で、しかも当該ミリンガカツターによる
切削時に缶胴ブランク両側端は撓む結果、ミリングカッ
ターで切削される部分の内でも搬送通路内方へ、即ち、
ミリングカッターの先端へ向う程深く切削されるという
問題点があつた。本発明は前記従来の問題点に鑑み、缶
胴ブランク両側端の均一切削性の同上を図つた缶胴ブラ
ンク側端清浄法を提供せんとするものである。When manufacturing welded cans using tin-free steel as the material for can containers, it is necessary to remove and clean the chrome plating layer on both ends of the can body blank, that is, the parts that will be polymerized and welded. . As a device of this kind, the special public
-14189 exists, in which a milling cutter, which is a cutting tool for cutting both side ends of a can body blank that is sent along a conveyance path, has its rotation axis fixed to the can body that is conveyed on the conveyance path of the can body blank. A technique has been disclosed in which the milling cutter is set horizontally at an angle to the horizontal conveyance direction with respect to the blank, the entire cutter part of the milling cutter contacts both sides of the can body blank, and the both sides of the can body blank are bent and cut. ,
As mentioned above, the milling cutter, which is a cutting tool, has its rotation axis adjusted horizontally and parallel to the can body blank being conveyed on the conveyance path, and as a result, both sides of the can body blank are bent during cutting by the milling cutter. Inward the conveying path within the part cut by the milling cutter, that is,
There was a problem in that the closer to the tip of the milling cutter the deeper the cut was made. In view of the above-mentioned conventional problems, the present invention aims to provide a method for cleaning the side edges of a can body blank, which achieves uniform machinability on both sides of the can body blank.
以下、図面を参照して説明する。なお、図面では缶胴ブ
ランクの片側端部のしかも上面のみを切削する場合を示
しているが、下面および他側端部の上下両面を切削する
のも同様にして可能である。This will be explained below with reference to the drawings. Although the drawings show a case in which only the upper surface of one end of the can body blank is cut, it is also possible to cut both the upper and lower surfaces of the lower surface and the other end in the same manner.
本発明の缶胴ブランク側端清浄法は、第１図乃至第３図
に示す如く上下左右の各ガイド（図中下ガイド１ａ、ｌ
ｂ、Ｉｃの片側部分のみ示す）により上下左右を案内規
制されチェーンコンベヤ等の適宜搬送手段（図示せず）
にて図面手前側から向う側力向へ搬送される缶胴ブラン
ク２の側端部３の上面４を切削するに当り、缶胴ブラン
ク２側端部３を下ガイド１ａ，１ｂ，１ｃの端から側方
へ食み出しフリー状態で搬送しつつ、下ガイド１ａ，１
ｂ，１ｃの案内面５に対し回転軸６を少許傾斜せしめて
設置した切削工具７にて食み出しフリー状態の缶胴ブラ
ンク２側端部３を下圧撓ませた状態で切削してなる。The can body blank side end cleaning method of the present invention is carried out by cleaning the upper, lower, left, and right guides (lower guides 1a,
b, only one side of Ic is shown), the upper, lower, left and right sides are guided and regulated by appropriate conveyance means such as a chain conveyor (not shown)
When cutting the upper surface 4 of the side end 3 of the can body blank 2 being conveyed from the front side to the opposite side in the drawing, the side end 3 of the can body blank 2 is cut from the edge of the lower guides 1a, 1b, 1c. The lower guides 1a, 1 are conveyed in a free state protruding to the side.
The side end 3 of the can body blank 2, which is free from protrusion, is cut with a cutting tool 7 installed with the rotating shaft 6 slightly inclined with respect to the guide surfaces 5 of b and 1c, with the side end 3 bent under pressure. .
なお、第１図示の示ガイド１ａは、左右両側端の上側段
部１ａ′に亘り当該下ガイド１ａの缶胴ブランク２側端
部３の撓み始め予定箇所８下面と接触する丸ロツド９を
沿着してなる。Note that the guide 1a shown in the first figure extends along the upper stepped portions 1a' of both left and right ends, along the round rod 9 that contacts the lower surface of the expected bending point 8 of the end 3 of the can body blank 2 of the lower guide 1a. I'll wear it.
さらに、第２図示の下ガイド１ｂは、左右両側端の当該
下ガイド１ｂの缶胴ブランク２側端部３の撓み始め予定
箇所８下面と接触する上側稜角部分を曲面１０に形成し
てなる。Furthermore, the lower guide 1b shown in the second figure has an upper edge portion formed into a curved surface 10, which contacts the lower surface of the expected bending start point 8 of the end portion 3 of the lower guide 1b on the can body blank 2 side at both left and right ends.
さらに、第３図示の下ガイド１ｃは、当該下ガイド１ｃ
の左右両側端に、側方周縁、即ち、缶胴ブランク２側端
部３の撓み始め予定箇所８下面と接触する稜角部分を曲
面１１に形成した回転自在なベアリング１２を軸１３に
て装着してなる。Furthermore, the lower guide 1c shown in the third diagram is
A freely rotatable bearing 12 having a curved surface 11 having a curved surface 12 that contacts the lower surface of the lateral periphery, that is, the lower surface of the planned starting point 8 of the side end 3 of the can body blank 2, is attached to the left and right ends of the can body blank 2 by means of a shaft 13. It becomes.
図中１４はボールベアリングのボールである。なお、切
削工具７の回転軸６上下方向傾斜角θは２、〜１５具く
らいが好ましく下ガイド１ａの丸ロツド９の半径又は下
ガイド１ｂ両端の曲面１０、下ガイド１ｃのベアリング
１２の側方周縁の曲面１１の曲率半径Ｒは、缶胴ブラン
ク２の板厚、硬度に依つて最適な値は異なるが、概ねｌ
〜５ｍｍで使用される。又、前記缶胴ブランクの食出し
量Ａは、その板厚、硬度、削り巾により適宜調整されね
ばならないが、一般的にはｏ〜５ｆＩＬｍの間で使用さ
れる。ブランク板厚０．２３ｍ１Ｌ１硬度Ｔ４の場合θ
＝６。、Ｒ＝３．５ｍ１，．Ａ＝０．５ｍｍ１削り巾０
．６ｍ１Ｌの場合で好結果を得ている。さらに、切削工
具７に関しては図面中では砥石の例を示したが、ミリン
グカツタ一、バイト、その他切削工具の如何に関係なく
有効である。In the figure, 14 is a ball of a ball bearing. Incidentally, the vertical inclination angle θ of the rotating shaft 6 of the cutting tool 7 is preferably about 2 to 15 degrees, or the radius of the round rod 9 of the lower guide 1a, the curved surface 10 at both ends of the lower guide 1b, or the side of the bearing 12 of the lower guide 1c. The optimum radius of curvature R of the peripheral curved surface 11 varies depending on the thickness and hardness of the can body blank 2, but is approximately l.
~5mm is used. Further, the amount A of the can body blank must be appropriately adjusted depending on its thickness, hardness, and cutting width, but is generally used between o and 5fILm. For blank plate thickness 0.23m1L1 hardness T4 θ
=6. , R=3.5m1,. A=0.5mm1 cutting width 0
．． Good results have been obtained in the case of 6m1L. Further, regarding the cutting tool 7, although a grindstone is shown as an example in the drawings, it is effective regardless of whether it is a milling cutter, a cutting tool, or any other cutting tool.
又この方法は、巾広の加エ工具を使用すれば工具７が缶
胴ブランク２側端部３と接触するのは一部であるので工
具７の摩耗につれ回転軸６の傾斜角θを維持したまま前
進又は後退して接触部を異にすることが出来、それだけ
交換寿命を最からしめることが可能となる利点を有する
。本発明は以上の如く構成されるから、図示しない適宜
搬送手段で上下左右各ガイドに案内規制されて切削所望
箇所、即ち缶胴ブランク両側端部を上下ガイド両側端か
ら食み出しフリー状態で搬送される缶胴ブランクは、回
転軸が上下ガイドの案内面に対し少許傾斜して設置せし
めた切削工具にて、当該両側端部を上面を切削する場合
は下方、下面の場合上方へ撓まされた状態で切削される
為、撓み変形による反発力を切削圧として利用出来、し
かも、側端部の切削工具との接触は切削工具を傾斜設置
した結果撓み始め予定箇所から最側先端に亘り、即ち切
削所望幅全てに亘りムラなく均一な接触が確保され、従
来の如く切削深さにムラが生じることなく均一切削とな
る。In addition, in this method, if a wide processing tool is used, the tool 7 will only come into contact with the side end 3 of the can body blank 2, so as the tool 7 wears out, the inclination angle θ of the rotating shaft 6 can be maintained. This has the advantage that it is possible to change the contact portion by moving forward or backward while keeping it in place, thereby making it possible to extend the replacement life from the beginning. Since the present invention is constructed as described above, the desired cutting location, that is, both side edges of the can body blank, is conveyed in a state where it is free to protrude from both sides of the upper and lower guides, and is guided and regulated by the upper, lower, left, and right guides by an appropriate conveyance means (not shown). The can body blank to be cut is bent downward when cutting the upper surface of both ends, and upward when cutting the lower surface, using a cutting tool whose rotating shaft is installed with a slight inclination to the guide surface of the upper and lower guides. Since it is cut in a state in which the material is bent, the repulsive force caused by the bending deformation can be used as cutting pressure.Moreover, the contact with the cutting tool at the side end extends from the planned point where the cutting tool begins to bend as a result of installing the cutting tool at an angle, to the tip on the outermost side. That is, even and uniform contact is ensured over the entire desired width of cutting, and uniform cutting is achieved without unevenness in cutting depth as in the prior art.
また、上下ガイド側端にベアリングを装着したものでは
缶胴ブランクの上下面に傷が付きにくくなる等の効果を
奏する。尚砥石及びミリングカツタ一を用いる場合、工
具の回転方向はブランクの送り方向に合せるのが一般的
であり好結果を得ているが、砥石の場合にはこれと反対
方向に回す事によりブランクの拘束手段（図示せず）が
容易となり、切削性の面でも比較的良好な結果が得られ
る。In addition, bearings are mounted on the upper and lower guide side ends, which has the effect that the upper and lower surfaces of the can body blank are less likely to be damaged. When using a grinding wheel and a milling cutter, it is common practice to match the direction of rotation of the tool with the feeding direction of the blank, and good results have been obtained. The restraint means (not shown) can be easily used, and relatively good results can be obtained in terms of machinability.
第１図乃至第３図はそれぞれ本発明実施例１の簡略説明
図である。
１ａ，１ｂ，１ｃ・・・・・・下ガイド、２・・・・・
・缶胴ブランク、３・・・・・・側端部、４・・・・・
・上面、５・・・・・・案内面、６・・・・・・回転軸
、７・・・・・・切削工具、８・・・・・・撓み始め予
定箇所、９・・・・・・丸ロツド、１０，１１・・・・
・・曲面、１２・・・・・・ベアリング、θ・・・・・
・傾斜角、Ｒ・・・・・・曲率半径。1 to 3 are simplified explanatory diagrams of Embodiment 1 of the present invention, respectively. 1a, 1b, 1c...lower guide, 2...
・Can body blank, 3...Side end, 4...
・Top surface, 5... Guide surface, 6... Rotating shaft, 7... Cutting tool, 8... Planned location to begin deflection, 9... ...Marurod, 10,11...
...Curved surface, 12...Bearing, θ...
・Inclination angle, R... Radius of curvature.
Claims (1)
手段にて搬送される缶胴ブランクの両側端部上下面を切
削するに当り、前記缶胴ブランク両側端部を前記上下ガ
イドの左右両側端から側方へ食み出しフリー状態で搬送
しつつ、前記上下ガイドの案内面に対し回転軸を上下方
向に少許傾斜せしめて設置した切削工具にて前記食み出
しフリー状態の缶胴ブランク両側端部を撓ませた状態で
切削することを特徴とする缶胴ブランク側端清浄法。 ２ 上下ガイドは、左右両側端に丸ロッドを装着してな
る特許請求の範囲第１項記載の缶胴ブランク側端清浄法
。 ３ 上下ガイドは、左右両側端の稜角を曲面に形成して
なる特許請求の範囲第１項記載の缶胴ブランク側端清浄
法。 ４ 上下ガイドは、左右両側端に側方周縁を曲面に形成
したベアリングを装着してなる特許請求の範囲第１項記
載の缶胴ブランク側端清浄法。[Scope of Claims] 1. When cutting the upper and lower surfaces of both side ends of a can body blank that is conveyed by an appropriate conveying means guided and regulated by upper, lower, left, and right guides, the both side ends of the can body blank are While conveying the guide from both left and right ends to the side in a state in which there is no protrusion, the cutting tool installed with the rotating shaft slightly inclined in the vertical direction with respect to the guide surface of the upper and lower guides is used to remove the free state from the protrusion. A method for cleaning the side edges of a can body blank, characterized by cutting the side edges of the can body blank in a bent state. 2. The can body blank side end cleaning method as claimed in claim 1, wherein the upper and lower guides are provided with round rods attached to both left and right ends. 3. The can body blank side end cleaning method according to claim 1, wherein the upper and lower guides have curved edges at both left and right ends. 4. The can body blank side end cleaning method according to claim 1, wherein the upper and lower guides are equipped with bearings having curved side edges at both left and right ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14447380A JPS5946715B2 (en) | 1980-10-17 | 1980-10-17 | Can body blank side cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14447380A JPS5946715B2 (en) | 1980-10-17 | 1980-10-17 | Can body blank side cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5768285A JPS5768285A (en) | 1982-04-26 |
| JPS5946715B2 true JPS5946715B2 (en) | 1984-11-14 |
Family
ID=15363104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14447380A Expired JPS5946715B2 (en) | 1980-10-17 | 1980-10-17 | Can body blank side cleaning method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5946715B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62112947U (en) * | 1986-01-09 | 1987-07-18 |
-
1980
- 1980-10-17 JP JP14447380A patent/JPS5946715B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62112947U (en) * | 1986-01-09 | 1987-07-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5768285A (en) | 1982-04-26 |
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