JPH0120632B2 - - Google Patents
Info
- Publication number
- JPH0120632B2 JPH0120632B2 JP22071285A JP22071285A JPH0120632B2 JP H0120632 B2 JPH0120632 B2 JP H0120632B2 JP 22071285 A JP22071285 A JP 22071285A JP 22071285 A JP22071285 A JP 22071285A JP H0120632 B2 JPH0120632 B2 JP H0120632B2
- Authority
- JP
- Japan
- Prior art keywords
- upper mold
- mold
- presser foot
- slide pin
- cavity
- 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
- 238000004891 communication Methods 0.000 claims description 9
- 239000012778 molding material Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009958 sewing Methods 0.000 claims description 2
- 238000007796 conventional method Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 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)
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下端のホルダーに
着脱自在に取付ける布を押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, which 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
間に連結軸を横架するに当り、従来は特開昭59―
90592号公報に示すように、連結軸を１対の支片
の間に打込むことなく、簡単に押え金本体と一緒
に鋳造するものがある。(Prior art) In order to horizontally suspend a connecting shaft between a pair of support pieces protruding from the left and right sides of the surface of the presser foot body, conventional techniques were
As shown in Japanese Patent No. 90592, there is a method in which the connecting shaft is simply cast together with the presser foot body without driving it between a pair of support pieces.
この従来法を第５図および第６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。 To explain this conventional method with reference to FIGS. 5 and 6, the lower die a of the mold has a semicircular cross section on the upper surface located between the pair of left and right branches N, N of the presser foot body M. A projection b having a lower groove is provided, and an upper mold C is provided.
is provided with a recess d that fits into the projection b, and an upper groove having a semicircular cross section is formed on the bottom surface of the recess d.
そしてその下溝と上溝の間における円柱形のキ
ヤビテイに成型材を注入して円柱状の連結軸Ｓを
本体Ｍの支片Ｎ，Ｎと一緒に鋳造して押え金とす
る。 Then, a molding material is injected into the cylindrical cavity between the lower groove and the upper groove, and the cylindrical connecting shaft S is cast together with the support pieces N, N of the main body M to form a presser foot.
しかして押え棒の下端に設けたホルダー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
面に挿入して押え金をホルダーＨに着脱自在に取
付ける。 The tip of a removable pin P provided in the holder H provided at the lower end of the presser bar is inserted into the lower surface of the connecting shaft S, and the presser foot is detachably attached to the holder H.
（発明の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ときは押え金本
体Ｍには第６図に示すように下型ａ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。(Problem to be Solved by the Invention) However, when this conventional method is used, a hole h is inevitably formed in the presser foot body M at the location where the protrusion b of the lower mold a is removed, as shown in FIG. .
そして布地によつては通孔ｈに引掛つて布地が
円滑に移動しない欠点がある。 Also, depending on the fabric, there is a drawback that the fabric may get caught in the through hole h and cannot be moved smoothly.
本発明はこのような通孔ｈが生ぜぬように押え
金を連結軸と一緒に鋳造することを目的とする。 The object of the present invention is to cast the presser foot together with the connecting shaft so that such a through hole h is not formed.
（問題点を解決するための手段）
本発明を第１図乃至第４図に示す実施例につい
て説明すると、金型の下型１に重合する上型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を連結する連通溝４を本体Ｍに相当するキヤビ
テイ５より上型２の下面に向け凹設する。(Means for Solving the Problems) To explain the embodiment of the present invention shown in FIGS. 1 to 4, the presser foot body M is placed on the left and right sides of the lower surface of the upper mold 2 superimposed on the lower mold 1 of the mold. A pair of branches N, N
In addition to providing spaces 3, 3 corresponding to the spaces 3,
A communication groove 4 connecting the two parts is recessed from a cavity 5 corresponding to the main body M toward the lower surface of the upper mold 2.
６はスライドピンで上型２の背面より斜めに出
入自在に上型２内に挿入し、その先端は連通溝４
を貫通せぬように半ば突入する。 6 is a slide pin that is inserted diagonally into and out of the upper mold 2 from the back side of the upper mold 2, and its tip is inserted into the communication groove 4.
Plunge halfway through without penetrating.
７は下型１に斜めに植立する傾斜案内杆で、ス
ライドピン６の基部６ａに穿つ傾斜孔に挿通し、
その上部は上型２に穿つ斜め上下方向の空所８内
にのぞむ。 Reference numeral 7 denotes an inclined guide rod installed diagonally on the lower mold 1, and is inserted into an inclined hole bored in the base 6a of the slide pin 6.
Its upper part extends into a diagonally vertical cavity 8 bored in the upper die 2.
そしてスライドピン６の基部６ａは上型２の背
面に設けた切欠９の左右両側に備える斜めの案内
軌条１０上に沿い切欠９内を斜め上下に移動す
る。 The base portion 6a of the slide pin 6 moves obliquely up and down within the notch 9 along oblique guide rails 10 provided on both left and right sides of the notch 9 provided on the back surface of the upper mold 2.
そして下型１と上型２の間における注入口１１
よりキヤビテイ５に成型材を注入した後、上型２
を上方に向け取除く。 And the injection port 11 between the lower mold 1 and the upper mold 2
After injecting the molding material into the cavity 5, the upper mold 2
Remove by pointing upwards.
（作用）
下型１と上型２の間の注入口（湯口）１１より
成型材をキヤビテイ５に注入すると、成型材はキ
ヤビテイ５より左右の空所３，３およびスライド
ピン６の先端の半ば突入する連通溝４内に充満す
るので、成型材が固化するのを待つて上型２を上
方に向け取除くと、スライドピン６は傾斜案内杆
７に案内されて上型２の背面に向け自動的に移動
して連通溝４より抜け出る。(Function) When the molding material is injected into the cavity 5 from the injection port (gate) 11 between the lower mold 1 and the upper mold 2, the molding material is poured into the cavities 3, 3 on the left and right sides of the cavity 5, and in the middle of the tip of the slide pin 6. The communicating groove 4 that enters is filled, so when the molding material is solidified and the upper mold 2 is turned upward and removed, the slide pin 6 is guided by the inclined guide rod 7 and directed toward the back of the upper mold 2. It moves automatically and comes out of the communication groove 4.
そして中央下部に凹所１２を形成する連結軸１
３により左右１対の支片Ｎ，Ｎを連結する押え金
本体Ｍが生産する。 and a connecting shaft 1 forming a recess 12 in the lower center
3, a presser foot body M is produced which connects a pair of left and right branch pieces N, N.
（実施例）
本発明における成型材は硬質合成樹脂又は亜鉛
合金にするとよい。また第１図において下型１お
よび上型２の相対する突出部１４により押え金本
体の針落ち孔１５を形成する。(Example) The molding material in the present invention is preferably a hard synthetic resin or a zinc alloy. Further, in FIG. 1, a needle drop hole 15 in the presser foot body is formed by the opposing protrusions 14 of the lower die 1 and the upper die 2.
（発明の効果）
本発明によるときは成型材が固化するのを待つ
て上型２を上方に向け取除くと、スライドピン６
は自動的に上型２の背面に向け移動して連通溝４
より抜け出るので、中央下部にホルダーＨの着脱
ピンＰの先端が係合する凹所１２を形成する連結
軸１３が左右１対の支片Ｎ，Ｎ間に横架する本体
Ｍを鋳造でき、第６図に示す従来法によるような
本体Ｍに布地が引掛る通孔ｈは生じない。(Effect of the invention) According to the present invention, if the upper mold 2 is turned upward and removed after waiting for the molding material to solidify, the slide pin 6
automatically moves toward the back of the upper mold 2 and connects to the communication groove 4.
Since the connecting shaft 13 forms a recess 12 in the center lower part of which the tip of the detachable pin P of the holder H engages, a main body M can be cast in which the connecting shaft 13 is horizontally suspended between the pair of left and right support pieces N, N. Unlike the conventional method shown in FIG. 6, there is no through hole h where the fabric gets caught in the main body M.
しかしてスライドピン６の先端が連通溝４を貫
通するときは、連通溝４より突出したスライドピ
ン６の先端外周にバリを生ずるが、本発明による
ときはスライドピン６の先端は連通溝４を貫通し
ないのでバリは生じない、という効果をも生ず
る。 When the tip of the slide pin 6 passes through the communication groove 4, a burr is generated on the outer periphery of the tip of the slide pin 6 that protrudes from the communication groove 4, but according to the present invention, the tip of the slide pin 6 passes through the communication groove 4. Since it does not penetrate, it also has the effect that no burrs are generated.
第１図は本発明による上下の金型の縦断側面
図、第２図はその縦断正面図、第３図は本発明に
より生産された押え金の斜面図、第４図はその
―線に沿う縦断側面図、第５図は従来法による
上下の金型の縦断側面図、第６図は従来法により
生産された押え金の縦断側面図。
１は下型、２は上型、３は空所、４は連通溝、
５はキヤビテイ、６はスライドピン、７は傾斜案
内杆、１１は注入口。
Fig. 1 is a longitudinal sectional side view of the upper and lower molds according to the present invention, Fig. 2 is a longitudinal sectional front view thereof, Fig. 3 is an oblique view of the presser foot produced according to the invention, and Fig. 4 is a view taken along the - line. FIG. 5 is a vertical side view of upper and lower molds produced by a conventional method, and FIG. 6 is a vertical side view of a presser foot produced by a conventional method. 1 is the lower mold, 2 is the upper mold, 3 is the void, 4 is the communication groove,
5 is a cavity, 6 is a slide pin, 7 is an inclined guide rod, and 11 is an injection port.
Claims (1)
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を連結する連
通溝４を本体Ｍに相当するキヤビテイ５より上型
２の下面に向け凹設し、 上型２の背面より斜めに出入自在に上型２内に
挿入するスライドピン６の先端は連通溝４を貫通
せぬように半ば突入させ、 スライドピン６の基部に穿つ傾斜孔に下型１に
斜めに植立する傾斜案内杆７を挿通し、 しかして注入口１１よりキヤビテイ５に成型材
を注入した後、上型２を上方に向け取除くことを
特長とするミシンの押え金製造法。[Scope of Claims] 1. Spaces 3, 3 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 mold 2 that overlaps the lower mold 1, and the spaces 3, 3 is recessed from the cavity 5 corresponding to the main body M toward the lower surface of the upper mold 2, and the tip of a slide pin 6 is inserted into the upper mold 2 obliquely from the back side of the upper mold 2 so as to be freely removable. is inserted halfway through the communication groove 4 without penetrating it, and the inclined guide rod 7 installed diagonally in the lower mold 1 is inserted into the inclined hole bored at the base of the slide pin 6, and then inserted into the cavity 5 through the injection port 11. A method for manufacturing a presser foot for a sewing machine, which is characterized in that after injecting a molding material, the upper mold 2 is turned upward and removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22071285A JPS6279093A (en) | 1985-10-03 | 1985-10-03 | Production of metal presser of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22071285A JPS6279093A (en) | 1985-10-03 | 1985-10-03 | Production of metal presser of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6279093A JPS6279093A (en) | 1987-04-11 |
| JPH0120632B2 true JPH0120632B2 (en) | 1989-04-18 |
Family
ID=16755322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22071285A Granted JPS6279093A (en) | 1985-10-03 | 1985-10-03 | Production of metal presser of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6279093A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020188995A1 (en) * | 2019-03-15 | 2020-09-24 | ジヤトコ株式会社 | Diagnosis device and diagnosis method for temperature sensor of automatic transmission |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH674656A5 (en) * | 1987-12-22 | 1990-06-29 | Mefina Sa |
-
1985
- 1985-10-03 JP JP22071285A patent/JPS6279093A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020188995A1 (en) * | 2019-03-15 | 2020-09-24 | ジヤトコ株式会社 | Diagnosis device and diagnosis method for temperature sensor of automatic transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6279093A (en) | 1987-04-11 |
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