JPH01145198A - Manufacture of ball pen - Google Patents
Manufacture of ball penInfo
- Publication number
- JPH01145198A JPH01145198A JP30366387A JP30366387A JPH01145198A JP H01145198 A JPH01145198 A JP H01145198A JP 30366387 A JP30366387 A JP 30366387A JP 30366387 A JP30366387 A JP 30366387A JP H01145198 A JPH01145198 A JP H01145198A
- Authority
- JP
- Japan
- Prior art keywords
- cap
- manufacturing
- ballpoint pen
- outer cylinder
- press
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 101000579646 Penaeus vannamei Penaeidin-1 Proteins 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Pens And Brushes (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、ボールペンの製造方法に係り、ボールペンの
ペン芯体挾持用の口金の製造時間の短縮、製造設備の簡
略化及びコスト低廉性、及び前記口金の組み立て工程の
効率化等をなし得るボールペンの製造方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for manufacturing a ballpoint pen, which provides shortening of the manufacturing time of a cap for holding the pen core of a ballpoint pen, simplification of manufacturing equipment, and low cost. The present invention also relates to a method of manufacturing a ballpoint pen that can improve the efficiency of the assembly process of the base.
［従来の技術］
現今、筆記具としてのボールペンは各種形態を有して広
汎且つ大量に使用されている。[Prior Art] Nowadays, ballpoint pens as writing instruments are widely used in large quantities in various forms.
従来のボールペン１′は、その先端部に於いては、第３
図に示される如く、ボール５′、該ボール５′を先端に
て支持するボール支持管６′、該ボール支持管６′の後
部に挿着されるインク収納管７′からなるペン芯体４′
を挾持する口金２′が外筒３′の先端に螺着手段により
固定されるものである。The conventional ballpoint pen 1' has a third point at its tip.
As shown in the figure, a pen core body 4 consists of a ball 5', a ball support tube 6' that supports the ball 5' at its tip, and an ink storage tube 7' inserted into the rear part of the ball support tube 6'. ′
A cap 2' for clamping is fixed to the tip of the outer cylinder 3' by screwing means.
［発明が解決しようとする問題点］
前述した口金２′が外筒３′に螺着手段により固定され
る従来手法にあっては、通常、合成樹脂材料から成形さ
れる外筒３′の先端に外筒螺子部３’ ａを形成するた
めに外筒の梗脂成形金型が複雑となり且つ製作コスト高
となる問題点、また、通常、真鍮からなる口金２′を、
長尺真鍮丸棒を基材として、小型自動旋盤等を用いた機
械加工により成形するために、口金２′の内外面の切削
及び口金螺子部２′ ａの螺刻に長時間の加工時間が掛
かり口金のコスト高を生起し且つ切削屑の大量発生及び
それに伴い材料ロスが発生する問題点、さらには、口金
２′と外筒３′の先端との固定組み付けに、非効率的且
つ複雑な装置からなる螺合工程を経ねばならぬ問題点等
が発生していた。[Problems to be Solved by the Invention] In the conventional method in which the aforementioned cap 2' is fixed to the outer cylinder 3' by screwing means, the tip of the outer cylinder 3', which is usually molded from a synthetic resin material, In order to form the outer cylinder threaded portion 3'a, the mold for molding the outer cylinder becomes complicated and the manufacturing cost is high.
Since the base material is a long brass round bar, it is formed by machining using a small automatic lathe, etc., so it takes a long time to cut the inner and outer surfaces of the cap 2' and to thread the threaded part 2'a of the cap. The problem is that the cost of the hooking cap is high, and a large amount of cutting waste is generated, resulting in material loss.Furthermore, the fixed assembly of the cap 2' and the tip of the outer cylinder 3' is inefficient and complicated. Problems such as having to go through a screwing process consisting of a device have arisen.
本発明は、叙上した従来のボールペンの製造方法に於け
る問題点を解決すべくなされたものであり、特に口金の
成形及びその固定方法に工夫を図り、以ってボールペン
製造上の製造時間の短縮、低コスト化及び組立工程の効
率化等をなし得るボールペンの製造方法を提供すること
を目的とするものである。The present invention was made in order to solve the problems in the conventional ballpoint pen manufacturing method described above, and in particular, by devising the molding of the cap and its fixing method, the manufacturing time for ballpoint pen manufacturing is reduced. It is an object of the present invention to provide a method for manufacturing a ballpoint pen that can shorten the manufacturing process, reduce costs, and improve the efficiency of the assembly process.
［問題点を解決するための手段］
前述した問題点は、ペン芯体挾持用の口金が外筒の先端
に固定されるボールペンに於いて、前記口金をプレス加
工にて成形すると共に、前記口金の内周に前記外筒の先
端を嵌合固定することを特徴とするボールペンの製造方
法によって解決されるものである。[Means for Solving the Problems] The above-mentioned problem is solved by forming the base by press working in a ballpoint pen in which the base for holding the pen core is fixed to the tip of the outer cylinder. The present invention is solved by a method of manufacturing a ballpoint pen, characterized in that the tip of the outer cylinder is fitted and fixed to the inner periphery of the outer cylinder.
［実施例］ 以下、実施例に基づいて本発明の方法を詳述する。[Example] Hereinafter, the method of the present invention will be explained in detail based on Examples.
第１図は本発明の一実施例を示すボールペン先端部の拡
大断面図であり、ボールペン１は、その先端部に於いて
、ボール５、ボール支持管６、インク収納管７からなる
ペン芯体４と、該ペン芯体４を挾持する金属性の口金２
と、該口金２の内周に外筒３の先端が嵌合されて口金２
に固定される外筒３からなる。外筒３の先端外面３ａと
口金２の内周２ａとは略同−寸法、同一形状に形成され
る部分が存在する。FIG. 1 is an enlarged sectional view of the tip of a ballpoint pen showing an embodiment of the present invention. 4, and a metal cap 2 that holds the pen core 4.
Then, the tip of the outer cylinder 3 is fitted to the inner periphery of the base 2, and the base 2 is closed.
It consists of an outer cylinder 3 fixed to. There is a portion where the outer end surface 3a of the outer cylinder 3 and the inner periphery 2a of the base 2 are formed to have approximately the same dimensions and the same shape.
而して、本発明に於けるボールペン１の口金２は１機械
加工によらずに、プレス加工手段にて形成される。第２
図はその加工工程の一実施例を示すものであり、高速自
動プレス成形が可能である。Thus, the cap 2 of the ballpoint pen 1 according to the present invention is formed by press processing means instead of by mechanical processing. Second
The figure shows an example of the processing process, and high-speed automatic press molding is possible.
第２図（イ）は展延性を有する金属材料、例えばアルミ
ニウム材、鉄材等からなる丸棒であり、該丸棒を基材と
して各種の雄型、雌型からなるプレ入金型（図示しない
が）を用いて、第２図（ロ）〜（へ）に至る必要な複数
工程を経て第２図（へ）で示される口金２の完成形状が
精度良く且つ短時間に形成される。Figure 2 (a) shows a round bar made of a malleable metal material, such as aluminum or iron, and a pre-deposited mold (not shown) consisting of various male and female dies using the round bar as a base material. ), the completed shape of the cap 2 shown in FIG. 2(f) is formed with high precision and in a short time through the necessary plural steps shown in FIGS. 2(b) to (f).
そして、プレス完成後に適宜な表面処理が施された口金
２は、ボールペン１の組立工程に於いて、口金２の内周
面に外筒３の先端が嵌合固定される。After the press is completed, the tip of the outer cylinder 3 is fitted and fixed to the inner peripheral surface of the cap 2, which has been subjected to an appropriate surface treatment during the assembly process of the ballpoint pen 1.
さらに、口金２は、口金２の後端外面２ｂを矢印Ｒ方向
にかしめることで外筒３に一層強固に固定されるもので
ある。当該かしめは口金２の後端外面２ｂの周面に、面
状に或いは線状に或いは点状になされるものであり、そ
のかしめ力は、外筒３の材料或いは耐引抜力等を勘案し
て適宜に決定される。Further, the cap 2 is more firmly fixed to the outer cylinder 3 by caulking the rear end outer surface 2b of the cap 2 in the direction of arrow R. The caulking is done on the peripheral surface of the rear end outer surface 2b of the cap 2 in a planar shape, in a line shape, or in a dotted manner, and the caulking force is determined by taking into account the material of the outer cylinder 3, the pull-out resistance, etc. It will be decided as appropriate.
口金２と外筒３の嵌合固定に於ける口金２と外筒３の耐
引抜力の増強或いは前述かしめ工程を一層簡略化するに
は、口金２及び外筒３の嵌合当接面２ａ、３ａに相対向
する凹凸部、或いは凹条溝凸条溝等の組合せからなる係
合機構を設けても良い。ペン芯体４の口金２に対する挾
持工程は、口金２と外筒３の固定工程の前段若しくは後
段の何れであっても良い。In order to increase the pull-out force of the cap 2 and the outer tube 3 when the cap 2 and the outer tube 3 are fitted and fixed, or to further simplify the crimping process described above, the fitting contact surface 2a of the cap 2 and the outer tube 3 is , 3a may be provided with an engagement mechanism consisting of a combination of concave and convex portions facing each other, or a combination of grooves, grooves, and convex grooves. The step of clamping the pen core body 4 to the cap 2 may be performed either before or after the step of fixing the cap 2 and the outer cylinder 3.
［発明の作用及び効果］
上述方法に係る本発明のボールペン製造方法に於いては
、ボールペンの口金が従来方法と異なり、プレス加工に
て成形されることから、製造速度が早く且つ材料ロスの
発生成いは材料屑の発生等皆無となる長所が発揮され、
それに伴いボールペン製造上の製造設備の縮少化及び部
品コストの低減等を図ることができる。実際に、従来方
法たる機械加工による口金の製造速度は３００ケ／ｌｌ
ｒ （自動旋盤１台当たり）であるが、本発明のプレス
加工による口金の製造速度は３６００ケ／Ｈｒ（自動プ
レス機械１白当たり）が見込まれ、両者の相違は多大な
ものとなる。[Operations and Effects of the Invention] In the ballpoint pen manufacturing method of the present invention according to the above-mentioned method, unlike the conventional method, the base of the ballpoint pen is formed by press working, so the manufacturing speed is high and material loss is reduced. The advantage is that there is no generation of material waste,
Accordingly, it is possible to reduce the size of manufacturing equipment for manufacturing ballpoint pens and reduce component costs. In fact, the manufacturing speed of the cap using the conventional method of machining is 300 pcs/l.
r (per automatic lathe), but the manufacturing speed of the die by press working of the present invention is expected to be 3,600 pieces/Hr (per automatic press machine), and the difference between the two is enormous.
さらに、本発明に於いては、口金と外筒の固定に嵌合固
定手法を用いたことから、ボールペン組立時に於ける口
金と軸筒の組み付は工程が極めて容易に且つ短時間に効
率良くなすことが可能となる。Furthermore, in the present invention, since a fitting fixation method is used to fix the base and the outer cylinder, the process of assembling the base and barrel when assembling a ballpoint pen is extremely easy, quick and efficient. It becomes possible to do.
第１８図は本発明の一実施例を示すボールペン先端部の
断面図、第２図（イ）〜（へ）は本発明に係る口金のプ
レス加工工程の一実施例を示す断面図、第３図は従来の
ボールペンの先端部の断面図である。FIG. 18 is a sectional view of the tip of a ballpoint pen showing one embodiment of the present invention, FIGS. The figure is a sectional view of the tip of a conventional ballpoint pen.
Claims (3)
ボールペンに於いて、前記口金をプレス加工にて成形す
ると共に、前記口金の内周に前記外筒の先端を嵌合固定
することを特徴とするボールペンの製造方法。(1) In a ballpoint pen in which a cap for holding a pen core is fixed to the tip of an outer cylinder, the cap is formed by press working, and the tip of the outer tube is fitted and fixed to the inner periphery of the cap. A method for manufacturing a ballpoint pen, characterized by:
徴とする特許請求の範囲第１項記載のボールペンの製造
方法。(2) The method for manufacturing a ballpoint pen according to claim 1, characterized in that the rear end of the base is caulked against the front end of the outer cylinder.
ことを特徴とする特許請求の範囲第１項又は第２項記載
のボールペンの製造方法。(3) The method for manufacturing a ballpoint pen according to claim 1 or 2, wherein the material of the cap is made of aluminum or iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30366387A JPH01145198A (en) | 1987-12-01 | 1987-12-01 | Manufacture of ball pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30366387A JPH01145198A (en) | 1987-12-01 | 1987-12-01 | Manufacture of ball pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01145198A true JPH01145198A (en) | 1989-06-07 |
Family
ID=17923726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30366387A Pending JPH01145198A (en) | 1987-12-01 | 1987-12-01 | Manufacture of ball pen |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01145198A (en) |
-
1987
- 1987-12-01 JP JP30366387A patent/JPH01145198A/en active Pending
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