JPS62170288A - Cloth feed amount controller of sewing machine - Google Patents
Cloth feed amount controller of sewing machineInfo
- Publication number
- JPS62170288A JPS62170288A JP1160186A JP1160186A JPS62170288A JP S62170288 A JPS62170288 A JP S62170288A JP 1160186 A JP1160186 A JP 1160186A JP 1160186 A JP1160186 A JP 1160186A JP S62170288 A JPS62170288 A JP S62170288A
- Authority
- JP
- Japan
- Prior art keywords
- feed
- adjustment
- cam
- feed adjustment
- sewing machine
- 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
- 239000004744 fabric Substances 0.000 title claims description 15
- 238000009958 sewing Methods 0.000 title claims description 11
- 238000002788 crimping Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［発明の技術分野］
本発明はミシンの布送り量調節装置に係り、特に構成部
品数が少なくワンタッチで調節ができるミシンの布送り
量調節装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a fabric feed rate adjusting device for a sewing machine, and more particularly to a fabric feed rate adjusting device for a sewing machine that has a small number of components and can be adjusted with one touch.
［発明の技術的背景及びその問題点］
一般にミシンの布送り量調節装置としてカム機構を用い
たものが用いられている。それらは駆動軸に固定したカ
ム等の偏心量を変えることにより、それらカム等に接続
されるリンクの水平運動量を変える構造になっており、
その調節に当ってはネジの他の締め操作をしなければな
らず調節作業が煩雑であり、しかもネジ締め不充分によ
る事故やネジ締め過ぎによる再調整不可等の事故が発生
するおそれがあった。これら操作上の欠点を補うものと
して二重カムを用いるものや、スライドカムを用いてワ
ンタッチで調節可能にしたものが近年開発されているが
、いずれも高精度の部品を必要とするかあるいは部品数
が多く、製作に手間がかかり高価にならざるを得なかっ
た。[Technical Background of the Invention and Problems Therewith] Generally, a sewing machine using a cam mechanism is used as a cloth feed amount adjusting device. They have a structure that changes the horizontal momentum of the links connected to the cams, etc. by changing the eccentricity of the cams, etc. fixed to the drive shaft.
In order to adjust the adjustment, other screw tightening operations are required, making the adjustment work complicated, and there is a risk of accidents due to insufficient tightening of the screws or failure to readjust due to over-tightening of the screws. . In order to compensate for these operational disadvantages, products that use double cams and slide cams that allow one-touch adjustment have been developed in recent years, but all of these require high-precision parts or parts. There were a lot of them, and they were labor-intensive and expensive to manufacture.
［発明の目的］
本発明は上記従来の難点を解消するためになされたもの
で、構成部品数が少なく組立が簡単で、しかも送り調節
が楽にできるミシンの布送り量調節装置を提供せんとす
るものである。[Object of the Invention] The present invention has been made in order to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a cloth feed amount adjustment device for a sewing machine that has a small number of component parts, is easy to assemble, and can easily adjust the feed amount. It is something.
〔発明の概要］
このような目的を達成するために本発明のミシンの布送
り量調節装置は、駆動軸の一端に固定され、一側面に該
駆動軸と直交する方向の凹部を有する送り目調節台、一
側面に該送り目調節台の凹部と摺動自在に係合する凸部
を有し且つ、他の一側面にカム溝を有する送り調節カム
、該送り調節カムの外周に嵌合する水平送りロッド、一
側面に該送り調節カムのカム溝に係合する送り調節偏心
カムを有し且つ他の側面に送り量を示す目盛を有する送
り調節板及び前記送り調節カムと前記送り調節板を前記
送り目調節台に圧着固定するネジとから成る。[Summary of the Invention] In order to achieve the above object, the cloth feed amount adjusting device for a sewing machine of the present invention has a feed stitch that is fixed to one end of a drive shaft and has a recessed portion on one side in a direction perpendicular to the drive shaft. an adjustment table, a feed adjustment cam having a protrusion on one side that slidably engages with a recess of the feed stitch adjustment table, and a cam groove on the other side; a feed adjustment cam that fits on the outer periphery of the feed adjustment cam; a horizontal feed rod, a feed adjustment plate having a feed adjustment eccentric cam on one side that engages with a cam groove of the feed adjustment cam and a scale indicating the feed amount on the other side; and the feed adjustment cam and the feed adjustment. and screws for crimping and fixing the plate to the feed stitch adjustment table.
［発明の実施例コ
第１図は本発明に係る布送り量調節装置を使用したミシ
ンの全体図で、第２図は本発明の布送り量調節装置を示
す図である。第１図及び第２図に示すように、プーリ１
に固定された駆動軸２の一端に布送り量調節装置３が取
り付けられる。布送り量調節袋Ｗ３は主として送り目調
節台４．送りｗｓｔａカム５、水平送りロッド６．送り
調節板７及び結合段ネジ８から成り送り目調節台４はネ
ジ９により駆動軸２に直接固定されている。更に第３図
の分解図に示すように送り目調節台４には駆動軸２に対
し偏心した上下送りカム４１が一体に成形されており、
この上下送りカム４１に上下送りリンク１０が嵌着され
る。上下送りリンク１０の一端は送り上台１１の一部に
結合され、駆動軸２の回転に伴ない送り土台１１に上下
方向の運動を与える。送り上台１１には送歯１２が固定
される。[Embodiment of the Invention] FIG. 1 is an overall view of a sewing machine using a cloth feed amount adjusting device according to the present invention, and FIG. 2 is a diagram showing the cloth feed amount adjusting device of the present invention. As shown in Figures 1 and 2, pulley 1
A cloth feed amount adjusting device 3 is attached to one end of a drive shaft 2 fixed to the. The cloth feed amount adjustment bag W3 is mainly made of the feed stitch adjustment table 4. Feed wsta cam 5, horizontal feed rod 6. The feed adjustment table 4, which is composed of a feed adjustment plate 7 and a connecting step screw 8, is directly fixed to the drive shaft 2 by a screw 9. Furthermore, as shown in the exploded view of FIG. 3, a vertical feed cam 41 eccentric to the drive shaft 2 is integrally formed on the feed adjustment table 4.
The vertical feed link 10 is fitted onto the vertical feed cam 41. One end of the vertical feed link 10 is connected to a part of the feed base 11, and gives vertical movement to the feed base 11 as the drive shaft 2 rotates. A feed tooth 12 is fixed to the feed upper table 11.
送り目調節台４の上下送りカム４１と反対側の側面には
駆動軸２と直交する方向に略矩形の二つの凹部４２が形
成されている。一方、送り調節カム５の送り目調節台４
と接する側面には二つの凸部５１が形成されており凹部
４２に摺動自在に係合する。送り調節カム５を四部４２
に沿って摺動させることによりその駆動軸２に対する偏
心量を変化させる。偏心量の調整は後述の送り調節板７
によってなされる。送り調節カム５の外周には水平送り
ロッド６が嵌着し、水平送りロッド６の一端はピン１３
で水平送り台１４に結合され、水平送す台１４は送り上
台１１と軸ａにより結合される。Two substantially rectangular recesses 42 are formed in the side surface of the feed stitch adjustment table 4 opposite to the vertical feed cam 41 in a direction perpendicular to the drive shaft 2 . On the other hand, the feed adjustment base 4 of the feed adjustment cam 5
Two convex portions 51 are formed on the side surface in contact with the concave portion 42, and are slidably engaged with the concave portion 42. Four parts 42 of the feed adjustment cam 5
By sliding it along the drive shaft 2, the amount of eccentricity with respect to the drive shaft 2 is changed. To adjust the amount of eccentricity, use the feed adjustment plate 7 described later.
done by. A horizontal feed rod 6 is fitted on the outer periphery of the feed adjustment cam 5, and one end of the horizontal feed rod 6 is connected to a pin 13.
The horizontal feed table 14 is connected to the upper feed table 11 by a shaft a.
水平送り台１４は軸すを中心に揺動し、水平ロッド６の
水平運動を送り土台１１に伝達する。送り調節カム５の
凸部５１とは反対の側面に長円形の送り調節カム溝５２
を有する。The horizontal feed base 14 swings around its shaft and transmits the horizontal movement of the horizontal rod 6 to the feed base 11. An oval feed adjustment cam groove 52 is formed on the side opposite to the convex portion 51 of the feed adjustment cam 5.
has.
更に送り調節カム５は結合段ネジ８が挿通される孔５３
を有する。この孔５３の内径は結合段ネジ８の大径部８
１の直径より大きく送り調節カム５の駆動軸２に対する
偏心量の変化を許容する。Furthermore, the feed adjustment cam 5 has a hole 53 through which the connecting step screw 8 is inserted.
has. The inner diameter of this hole 53 is the large diameter portion 8 of the connecting step screw 8.
This allows for a change in the amount of eccentricity of the feed adjustment cam 5 relative to the drive shaft 2 by a diameter greater than the diameter of the feed adjustment cam 5.
次に、送り調節板７は１側面に偏心したカム７１が一体
に形成され送り調節カム５のカム溝５２に係合される。Next, the feed adjustment plate 7 has an eccentric cam 71 integrally formed on one side thereof and is engaged with the cam groove 52 of the feed adjustment cam 5.
又、他側面は送り量を示すための目盛１５が施されてい
る６更に、送り調節押釦１６によって係止される係止部
７２が形成されている。第４図に示すように送り調節押
釦１６はミシンベッド側面に設けられた案内孔１７にバ
ネ１８によって押し戻され、且つぬけないようにＣリン
グ１９で取付けられており、操作時その先端が送り調節
板７の係止部７２に入り込んで送り調節板７の回転を止
める。Further, the other side is provided with a scale 15 for indicating the feed amount 6 and a locking portion 72 that is locked by the feed adjustment push button 16 is formed. As shown in FIG. 4, the feed adjustment push button 16 is pushed back into a guide hole 17 provided on the side of the sewing machine bed by a spring 18 and is attached with a C ring 19 to prevent it from slipping out. It enters the locking portion 72 of the plate 7 and stops the rotation of the feed adjustment plate 7.
更に送り調節板７は結合段ネジ８が挿通する貫通孔７３
を有する。結合段ネジ８はこのように構成される送り調
節カム５及び送り調節板７を順次送り目調節台４に圧接
するように波座金２０を介して弾性的に固定し、送り目
調節時には送り調節カム５がスムーズに滑動し、不調節
時（１７１製中）には動かないようにする。又、結合段
ネジ８の頭部には送り目指針２１が接着される。Further, the feed adjustment plate 7 has a through hole 73 through which the connecting stage screw 8 is inserted.
has. The coupling stage screw 8 elastically fixes the feed adjustment cam 5 and the feed adjustment plate 7 constructed in this manner via a wave washer 20 so as to press the feed adjustment cam 5 and the feed adjustment plate 7 sequentially into contact with the feed pitch adjustment base 4, and adjusts the feed when adjusting the feed pitch. The cam 5 slides smoothly and does not move when it is not adjusted (made in 171). Further, a feed stitch pointer 21 is glued to the head of the connecting stage screw 8.
次に本実施例において送り量を調節する場合の作用につ
いて説明する。Next, the operation when adjusting the feed amount in this embodiment will be explained.
まず、ミシン本体に設けた送り調節押釦１６を押してそ
の先端を送り調節板７の係止部７１に係合させて、送り
調節板７の回動を係止する。二の状Ａで送り目指針２１
が送り調節板７の所望の目盛１５を指すようにプーリ１
を回転させると、駆動軸２に固定された送り目調節台４
が回転し、送り調節カム５も回転するが、その結果送り
調節カム５のカム溝５２が調節板７の偏心カム７１と係
合しているため、偏心カム７１の偏心量に従って送り目
調節台４の四部４２に沿って摺動し水平方向の偏心量を
変化させる。First, the feed adjustment push button 16 provided on the sewing machine body is pressed so that its tip engages with the locking portion 71 of the feed adjustment plate 7, thereby locking the rotation of the feed adjustment plate 7. In the second shape A, feed stitch pointer 21
Move the pulley 1 so that it points to the desired scale 15 on the feed adjustment plate 7.
When rotated, the feed stitch adjustment table 4 fixed to the drive shaft 2
rotates, and the feed adjustment cam 5 also rotates, but as a result, the cam groove 52 of the feed adjustment cam 5 engages with the eccentric cam 71 of the adjustment plate 7, so the feed stitch adjustment table is adjusted according to the eccentricity of the eccentric cam 71. 4 to change the eccentricity in the horizontal direction.
尚、本実施例においては送り調節板７の回動を係止して
、プーリｌによって調節を行わせているが逆にプーリ１
を固定した状態で送り調節板７を回転させて送り調節カ
ム５の摺動を行わせる構成としてもよい。In this embodiment, the rotation of the feed adjustment plate 7 is locked and the adjustment is performed by the pulley l, but on the contrary, the rotation of the feed adjustment plate 7 is
It may be configured such that the feed adjusting cam 5 is caused to slide by rotating the feed adjusting plate 7 while the feed adjusting cam 5 is fixed.
このように構成される本発明の送り調節装置はプーリ回
転方向が正逆転両方向の機種に対応できる。すなわち送
り調節台４の凹部４２に送り調節カム５の凸部５１を取
付ける方向を１８０°ずらして組立てることにより正逆
転が簡単に選択できる。The feed adjustment device of the present invention configured as described above can be applied to models in which the pulley rotation direction is both forward and reverse. That is, by shifting the mounting direction of the protrusion 51 of the feed adjustment cam 5 by 180 degrees to the recess 42 of the feed adjustment table 4 and assembling it, forward and reverse rotation can be easily selected.
［発明の効果］
以上の実施例からも明らかなように本発明の布送り調節
装置は、構成部品が少なくそれらは成型部品で構成でき
るので価格が安くできる。しかも一方向から容易に組立
てることができ１組立時のｗ４整を必要としない。押釦
を押してプーリを回すという簡単な操作で送り調節がス
ムーズに行え、ネジ固定ではないのでネジ締めの過不足
による操作上の事故がない。[Effects of the Invention] As is clear from the above embodiments, the fabric feed adjustment device of the present invention has a small number of components and can be constructed from molded parts, so that the cost can be reduced. Moreover, it can be easily assembled from one direction and does not require w4 alignment during one assembly. The feed can be adjusted smoothly with the simple operation of pressing the push button and turning the pulley, and since it is not fixed with screws, there are no operational accidents caused by over- or under-tightening the screws.
第１図は本発明の布送り調節装置を適用したミシンの全
体図、第２図及び第３図はそれぞれ本発明の布送り調節
装置の斜視図及び分解図、第４図は要部断面図である。
１・・・・・・・プーリ
２・・・・・・・駆動軸
３・・・・・・・布送り調節装置
４・・・・・・・送り目調節台
４１・・・・・上下送りカム
４２・・・・・凹部
５・・・・・・・送り調節カム
５１・・・・・凸部
５２・・・・・カム溝
６・・・・・・・水平送りロッド
７・・・・・・・送り調節板
７１・・・・・偏心カム
７２・・・・・係止部
８・・・・・・・結合段ネジ
１０・・・・・上下送りリンク
【Ｉ・・・・・送り上台
１２・・・・・送り歯
１４・・・・・水平送り台
１５・・・・・目盛
１６・・・・・送り調節押釦
代理人 弁理上 守 谷 −雄
第４図
手続補正書輸発）
昭和６１年２月２７日FIG. 1 is an overall view of a sewing machine to which the cloth feed adjustment device of the present invention is applied, FIGS. 2 and 3 are respectively a perspective view and an exploded view of the cloth feed adjustment device of the present invention, and FIG. 4 is a cross-sectional view of essential parts. It is. 1... Pulley 2... Drive shaft 3... Cloth feed adjustment device 4... Feed stitch adjustment table 41... Up and down Feed cam 42...Concave portion 5...Feed adjustment cam 51...Convex portion 52...Cam groove 6...Horizontal feed rod 7... ...Feed adjustment plate 71 ... Eccentric cam 72 ... Locking part 8 ... Connection step screw 10 ... Vertical feed link [I... ...Feed upper stand 12...Feed dog 14...Horizontal feed stand 15...Scale 16...Feed adjustment push button agent For patent attorney Moritani-Yu Figure 4 Procedure amendment (Book export) February 27, 1986
Claims (1)
方向の凹部を有する送り目調節台、一側面に該送り目調
節台の凹部と摺動自在に係合する凸部を有し且つ、他の
一側面にカム溝を有する送り調節カム、該送り調節カム
の外周に嵌合する水平送りロッド、一側面に該送り調節
カムのカム溝に係合する送り調節偏心カムを有し且つ他
の側面に送り量を示す目盛を有する送り調節板及び前記
送り調節カムと前記送り調節板を前記送り目調節台に圧
着固定するネジとから成るミシンの布送り調節装置。A feed stitch adjustment table fixed to one end of a drive shaft and having a concave portion on one side in a direction perpendicular to the drive shaft, and a convex portion on one side that slidably engages with the concave portion of the feed stitch adjustment table. and a feed adjustment cam having a cam groove on one other side, a horizontal feed rod that fits on the outer periphery of the feed adjustment cam, and a feed adjustment eccentric cam that engages with the cam groove of the feed adjustment cam on one side. A cloth feed adjustment device for a sewing machine, comprising a feed adjustment plate having a scale indicating a feed amount on the other side, and a screw for crimping and fixing the feed adjustment cam and the feed adjustment plate to the feed stitch adjustment table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1160186A JPS62170288A (en) | 1986-01-22 | 1986-01-22 | Cloth feed amount controller of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1160186A JPS62170288A (en) | 1986-01-22 | 1986-01-22 | Cloth feed amount controller of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62170288A true JPS62170288A (en) | 1987-07-27 |
Family
ID=11782422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1160186A Pending JPS62170288A (en) | 1986-01-22 | 1986-01-22 | Cloth feed amount controller of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62170288A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212378U (en) * | 1988-07-06 | 1990-01-25 | ||
| JPH0436974U (en) * | 1990-07-18 | 1992-03-27 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5535154U (en) * | 1978-08-30 | 1980-03-06 | ||
| JPS5714764U (en) * | 1980-06-30 | 1982-01-26 | ||
| JPS598686U (en) * | 1982-07-12 | 1984-01-20 | ミクロン機器株式会社 | hotel key chain |
-
1986
- 1986-01-22 JP JP1160186A patent/JPS62170288A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5535154U (en) * | 1978-08-30 | 1980-03-06 | ||
| JPS5714764U (en) * | 1980-06-30 | 1982-01-26 | ||
| JPS598686U (en) * | 1982-07-12 | 1984-01-20 | ミクロン機器株式会社 | hotel key chain |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212378U (en) * | 1988-07-06 | 1990-01-25 | ||
| JPH0436974U (en) * | 1990-07-18 | 1992-03-27 |
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