JPS6317021B2 - - Google Patents
Info
- Publication number
- JPS6317021B2 JPS6317021B2 JP9347085A JP9347085A JPS6317021B2 JP S6317021 B2 JPS6317021 B2 JP S6317021B2 JP 9347085 A JP9347085 A JP 9347085A JP 9347085 A JP9347085 A JP 9347085A JP S6317021 B2 JPS6317021 B2 JP S6317021B2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- mold
- upper mold
- presser foot
- receiving piece
- 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
- 239000012778 molding material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000009958 sewing Methods 0.000 claims description 2
- 238000007796 conventional method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は裁縫ミシンの押え棒の下端のホルダー
に着脱自在に取付ける布を押さえる押え金の製造
法に関する発明である。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for manufacturing a presser foot for pressing cloth that is detachably attached to a holder at the lower end of a presser bar of a sewing machine.
（従来の技術）
押え金本体の表面左右に突出する１対の支片の
間に連結ピンを横架するに当り、従来は特開昭59
−90592号公報に示すように、連結ピンを１対の
支片の間に打込むことなく、簡単に一工程で押え
金本体と同時に鋳造するものがある。この従来法
を第１０図および第１１図について説明すると、
金型の下型ａには、押え金本体Ｍの左右１対の支
片Ｎ，Ｎの間に相当する位置に上面が断面半円形
の下溝を有する突起ｂを設け、また上型Ｃには突
起ｂに嵌合する凹所ｄを設けると共に凹所ｄの底
面には断面半円形の上溝を形成する。しかして該
下溝と上溝間の円柱形のキヤビテイに成形材を注
入して本体Ｍの上面に突出する１対の支片Ｎ，Ｎ
間に円柱状の連結軸Ｓを一体的に横架した押え金
を形成するものである。(Prior art) In order to horizontally suspend a connecting pin between a pair of branches protruding from the left and right sides of the surface of the presser foot body, conventionally
As shown in Japanese Patent No. 90592, there is a method in which a connecting pin is simply cast in one step at the same time as the presser foot body without driving it between a pair of support pieces. This conventional method will be explained with reference to FIGS. 10 and 11.
The lower die a of the mold is provided with a protrusion b whose upper surface has a lower groove with a semicircular cross section at a position corresponding to between the pair of left and right support pieces N, N of the presser foot body M, and the upper die C is provided with a protrusion b having a lower groove with a semicircular cross section. A recess d that fits into the projection b is provided, and an upper groove having a semicircular cross section is formed on the bottom surface of the recess d. A pair of support pieces N, N are formed by injecting a molding material into the cylindrical cavity between the lower groove and the upper groove and protruding from the upper surface of the main body M.
A presser foot is formed between which a cylindrical connecting shaft S is integrally suspended horizontally.
そして押え棒の下端のホルダーＨに備える出入
自在の着脱ピンＰの先端を連結軸Ｓの下面に係合
する。 Then, the tip of a detachable pin P provided in the holder H at the lower end of the presser bar is engaged with the lower surface of the connecting shaft S.
（発明が解決しようとする問題点）
しかしながらこの従来法による押え金本体Ｍに
は第１１図に示すように下型の突起ｂを抜いた跡
に通孔ｈが生ずるのをまぬがれない。(Problems to be Solved by the Invention) However, as shown in FIG. 11, in the presser foot body M according to this conventional method, a through hole h cannot be avoided where the projection b of the lower die is removed.
そして布地によつては通孔ｈに引掛かつて布地
が円滑に移動しない欠点がある。 Furthermore, depending on the fabric, there is a drawback that the fabric cannot be moved smoothly if it gets caught in the through hole h.
本発明はこの欠点を解消することを目的とす
る。 The present invention aims to eliminate this drawback.
（問題点を解決するための手段）および（作用）
本発明を第１図乃至第６図に示す第１実施例に
ついて説明すると、金型の下型１に対する上型２
の下面左右に押え金本体Ｍの左右１対の支片Ｎ，
Ｎに相当する空所３，３を設けると共に該空所
３，３に通ずる凹溝４を設ける。(Means for Solving the Problems) and (Operations) To explain the first embodiment of the present invention shown in FIGS. 1 to 6, the upper mold 2 for the lower mold 1 of the mold
A pair of left and right branches N of the presser foot body M are on the left and right sides of the lower surface of the presser foot body M,
Spaces 3, 3 corresponding to N are provided, and a groove 4 communicating with the spaces 3, 3 is provided.
５は凹溝４の底面に備える断面半円形の上溝
で、上溝５の下部に相対してスライド受片６を上
型２の側面より凹溝４内に出入自在に挿入する。
７は下型１に斜めに植立する傾斜案内杆で、スラ
イド受片６の基部６ａに穿つ傾斜孔に挿通しその
上部は上型２に備える空室８内にのぞむ。 Reference numeral 5 denotes an upper groove having a semicircular cross section provided on the bottom surface of the groove 4, and a slide receiving piece 6 is inserted into the groove 4 from the side surface of the upper mold 2 so as to be able to move in and out from the side surface of the upper mold 2, facing the lower part of the upper groove 5.
Reference numeral 7 denotes an inclined guide rod installed obliquely in the lower mold 1, which is inserted into an inclined hole bored in the base 6a of the slide receiving piece 6, and its upper part extends into the cavity 8 provided in the upper mold 2.
そして下型１に上型２を重合し、両者１，２間
のキヤビテイに通ずる湯口９より成形材を注入
し、固化するのを待つて上型２を上方に向け取除
くと、スライド受片６は常法どおり傾斜案内杆７
に案内されて自動的に側方に移動して抜き出て凹
溝４と受片６との間に上面の断面が半円形の連結
軸Ｓを形成し、この連結軸Ｓにより左右１対の支
辺Ｎ，Ｎを連結する押え金本体Ｍが生産する。 Then, the upper mold 2 is superposed on the lower mold 1, and the molding material is injected through the sprue 9 leading to the cavity between both 1 and 2. After waiting for it to solidify, the upper mold 2 is turned upward and removed. 6 is the inclined guide rod 7 as usual.
A connecting shaft S with a semicircular upper surface cross section is formed between the groove 4 and the receiving piece 6, and this connecting shaft S allows a pair of left and right A presser foot body M that connects support sides N and N is produced.
（実施例）
第１実施例の第１図および第３図に示すように
スライド受片６の上面に上溝５に相対して断面半
円形の下溝１０を設けると円柱状の連結軸Ｓが得
られる。(Embodiment) As shown in FIGS. 1 and 3 of the first embodiment, if a lower groove 10 with a semicircular cross section is provided on the upper surface of the slide receiving piece 6 opposite to the upper groove 5, a cylindrical connecting shaft S can be obtained. It will be done.
成形材は亜鉛合金又は硬質合成樹脂にするとよ
い。 The molding material is preferably zinc alloy or hard synthetic resin.
また第７図乃至第９図に示す第２実施例は細い
角形のスラド受片１１の上部前方の隅角部を削る
と、本体と補強壁１２により連結する連結軸S′が
得られる。 Further, in the second embodiment shown in FIGS. 7 to 9, by cutting the upper front corner of the thin rectangular slide receiving piece 11, a connecting shaft S' connected to the main body by the reinforcing wall 12 is obtained.
なお第１図および第７図において下型１および
上型２の相対する突出部１３により押え金本体の
針孔１４を形成する。１５は一方の支片４におけ
るスライド受片の抜き取り跡に形成する通孔を示
す。 In FIGS. 1 and 7, the opposing protrusions 13 of the lower die 1 and the upper die 2 form the needle hole 14 of the presser foot body. Reference numeral 15 indicates a through hole formed in one of the branch pieces 4 where the slide receiving piece was removed.
スライド受片７は傾斜案内杆の他、適宜のカム
機構により型の開閉に連動して凹溝４内に出入す
るようにしてもよい。 In addition to the inclined guide rod, the slide receiving piece 7 may be moved in and out of the groove 4 in conjunction with the opening and closing of the mold using a suitable cam mechanism.
（発明の効果）
本発明により製造された押え金本体Ｍには従来
の第１１図に示すように移動する布地に引掛かる
通孔ｈを生ずることなく鋳造により一工程で本体
と共に連結軸Ｓ又はS′が形成できるという効果を
生ずる。(Effects of the Invention) The presser foot main body M manufactured according to the present invention has a connecting shaft S or a connecting shaft S or This produces the effect that S' can be formed.
第１図乃至第６図は本発明の第１実施例の説明
図で、第１図は本発明に使用する金型の縦断側面
図、第２図はその縦断正面図、第３図はスライド
受片の斜視図、第４図は第５図のＢ―Ｂ線断面
図、第５図は製品の斜視図、第６図はそのＡ―Ａ
線断面図。第７図乃至第９図は本発明の第２実施
例の説明図で、第７図は本発明に使用する金型の
縦断側面図、第８図はスライド受片の斜視図、第
９図は製品の縦断側面図。第１０，１１図は従来
法の説明図で、第１０図は従来法に使用する金型
の縦断側面図、第１１図は従来法による製品の縦
断側面図。
１は下型、２は上型、３は空所、４は凹溝、５
は上溝、６，１１はスライド受片、７は傾斜案内
杆、８は空室、９は湯口。
1 to 6 are explanatory diagrams of a first embodiment of the present invention, in which FIG. 1 is a vertical side view of a mold used in the present invention, FIG. 2 is a vertical front view thereof, and FIG. 3 is a slide. A perspective view of the receiving piece, Fig. 4 is a sectional view taken along line B-B in Fig. 5, Fig. 5 is a perspective view of the product, and Fig. 6 is its A-A.
Line sectional view. 7 to 9 are explanatory diagrams of a second embodiment of the present invention, in which FIG. 7 is a longitudinal cross-sectional side view of a mold used in the present invention, FIG. 8 is a perspective view of a slide receiving piece, and FIG. is a vertical side view of the product. 10 and 11 are explanatory diagrams of the conventional method, FIG. 10 is a vertical cross-sectional side view of a mold used in the conventional method, and FIG. 11 is a vertical cross-sectional side view of a product according to the conventional method. 1 is the lower mold, 2 is the upper mold, 3 is the void, 4 is the groove, 5
6 and 11 are the upper grooves, 6 and 11 are the slide receivers, 7 is the inclined guide rod, 8 is the empty chamber, and 9 is the sprue.
Claims (1)
支片Ｎ，Ｎに相当する空所を設けると共に該空所
に通ずる凹溝を設け、該凹溝の底面に備える断面
半円形の上溝の下部に相対してスライド受片を上
型の側面より凹溝内に出入自在に挿入し、 そして下型と上型を重合し両者間のキヤビテイ
に成型材を注入し、固化するのを待つて上型を上
方に向け取除いてスライド受片を上型の側方に向
け抜き出すことを特長とするミシンの押え金製造
法。[Scope of Claims] 1. Spaces corresponding to the pair of left and right branches N, N of the presser foot body M are provided on the left and right sides of the lower surface of the upper die, and a groove communicating with the space is provided, and a bottom surface of the groove is provided. The slide receiving piece is inserted into and out of the groove from the side of the upper mold, facing the lower part of the upper groove with a semicircular cross section, and then the lower mold and the upper mold are overlapped, and the molding material is injected into the cavity between them. A method for producing a presser foot for a sewing machine, which is characterized in that the upper mold is turned upward and removed after the upper mold is solidified, and the slide receiving piece is pulled out toward the side of the upper mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9347085A JPS61253144A (en) | 1985-04-30 | 1985-04-30 | Production of presser metal for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9347085A JPS61253144A (en) | 1985-04-30 | 1985-04-30 | Production of presser metal for sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61253144A JPS61253144A (en) | 1986-11-11 |
| JPS6317021B2 true JPS6317021B2 (en) | 1988-04-12 |
Family
ID=14083223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9347085A Granted JPS61253144A (en) | 1985-04-30 | 1985-04-30 | Production of presser metal for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61253144A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589064B (en) * | 2018-07-06 | 2019-11-15 | 吴江市震宇缝制设备有限公司 | Sewing machine presser foot with thread cutter |
-
1985
- 1985-04-30 JP JP9347085A patent/JPS61253144A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61253144A (en) | 1986-11-11 |
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