JPS6063174U - Upper feed device of sewing machine - Google Patents
Upper feed device of sewing machineInfo
- Publication number
- JPS6063174U JPS6063174U JP15301683U JP15301683U JPS6063174U JP S6063174 U JPS6063174 U JP S6063174U JP 15301683 U JP15301683 U JP 15301683U JP 15301683 U JP15301683 U JP 15301683U JP S6063174 U JPS6063174 U JP S6063174U
- Authority
- JP
- Japan
- Prior art keywords
- lever
- upper feed
- presser foot
- upward
- feeder
- 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.)
- Granted
Links
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る上送り装置の斜視図、第２〜４図
は上送り歯の上下動機構におけるクラッチ機構を備えた
スライダークランク機構を示すもので、第２図は軸状ク
ランクが上死点に、第３図 −は下死点にあるときの状
態を示す断面図、第４図は上送り歯を不作用位置に持上
げたとき−の状態を ゛示す断面図であり、また第
５図はベルクランク状レバーの係合部と割りカラーの関
係を示す断面図、第６図はエアーシリンダの制御装置の
ブロック図、第７図はタイミングチャートである。
１・・・下送り歯、２・・・上送り前後軸、４・・・上
送り台、６・・・上送り歯、９・・・上送り上下軸、１
３・・・上メス軸、１４・・・軸状クランク、１８・・
・二又レバ−、２１・・・爪部、２３・・・爪部、２５
・・・押え揚げ軸、２６．２７・・・レバー、２８・・
・押え台、３３・・・ベルクランク状レバー、３５・・
・エアーシリンダ、３６・・・ピン、３７・・・割りカ
ラー、３８・・・係合部、３９・・・つる巻きバネ、４
１・・・電磁弁、４２・・・布端検知センサー、４３・
・・運針パルス発生器、４４・・・プリセット形運針カ
ウンター。Fig. 1 is a perspective view of the upper feed device according to the present invention, Figs. 2 to 4 show a slider crank mechanism equipped with a clutch mechanism in the vertical movement mechanism of the upper feed dog, and Fig. 2 shows an axial crank. Fig. 3 is a sectional view showing the state when the upper feed dog is at the top dead center, and Fig. 4 is a sectional view showing the state when the upper feed dog is lifted to the inactive position. FIG. 5 is a sectional view showing the relationship between the engaging portion of the bell crank-shaped lever and the split collar, FIG. 6 is a block diagram of the air cylinder control device, and FIG. 7 is a timing chart. 1...Lower feed dog, 2...Upper feed longitudinal axis, 4...Upper feed stand, 6...Upper feed dog, 9...Upper feed vertical axis, 1
3... Upper female shaft, 14... Axial crank, 18...
・Two-pronged lever, 21...Claw portion, 23...Claw portion, 25
...Presser foot lifting shaft, 26.27...Lever, 28...
・Press base, 33...Bell crank lever, 35...
・Air cylinder, 36... Pin, 37... Split collar, 38... Engagement part, 39... Spiral spring, 4
1... Solenoid valve, 42... Cloth edge detection sensor, 43.
...Hand movement pulse generator, 44...Preset type hand movement counter.
Claims (5)
向に揺動可能軸支され、自由端側に下送り歯と対向する
上送り歯を設けた上送り台と、該上送り台を下向きに押
下げる弾機装置と、上送り台の下側で上下方向に揺動し
、上送り台に係合して該送り台を上下動させるクランク
を含む上下動機構とを有するミシンの上送り装置におい
て、−固定軸線の回りに回動可能であり、上向きの回動
により上送り台４を上記弾機装置１２の作用に抗して軸
支点５を中心に上向きの回動させるレバー３３と、布端
の有無を検知する布端検知センサー４゛２と、該布端検
知センサーより発する信号に基づいて作動し、上記レバ
ー３３を上向きに回動させる作動手段とを有する上送り
装置。(1) An upper feed stand that is pivotably supported in a vertically swingable manner by a member that reciprocates in the feed direction of the forward and backward movement mechanism, and has an upper feed dog facing the lower feed dog on the free end side, and the upper feed stand A sewing machine having a vertical movement mechanism including an elastic device that pushes down the upper feeder and a crank that swings vertically below the upper feeder and engages with the upper feeder to move the feeder up and down. In the upper feed device, - a lever which is rotatable around a fixed axis and whose upward rotation causes the upper feed table 4 to rotate upward about the pivot point 5 against the action of the elastic device 12; 33, a cloth edge detection sensor 4'2 for detecting the presence or absence of a cloth edge, and an operating means that operates based on a signal emitted from the cloth edge detection sensor and rotates the lever 33 upward. .
に設けたピン３６が上記レバー３３に係合するようにな
っている登録請求の範囲第１項記載の上送り装置。(2) The upper feeding device according to claim 1, wherein the operating means is an air cylinder 35, and a pin 36 provided at the rond end engages with the lever 33.
有し、常にはつる巻きバネ３９によって時計方向に付勢
されるベルクランク状レバーであり、一方のアーム３０
端には、上送り台に下側より係合しうるコロ３２を設け
、他方のアームは上記バネの作用により上記ピン３６に
係合するを録請求の範囲第２項記載の上送り装置。(3) The lever 33 has arms 30 and 31 extending in two directions, and is a bell crank-shaped lever that is always biased clockwise by a helical spring 39.
3. The upper feed device according to claim 2, wherein a roller 32 is provided at one end of the upper feed table so that the roller 32 can be engaged with the upper feed table from below, and the other arm is engaged with the pin 36 by the action of the spring.
軸２５の軸線であり、レバー３３は押え揚げ軸に回動可
能で、かつ押え揚げ軸２５によっても薗動されうるよう
そのボス部に係合部３８を形成して押え揚げ軸２５に固
着の割りカラー３７に一定角度回動可能に係合する登録
請求の範囲第１項記載の上送り装置。(4) - The fixed axis is the axis of the presser foot lifting shaft 25 which is manually operated to rotate, and the lever 33 is rotatable to the presser foot lifting shaft and is attached to its boss so that it can also be moved by the presser foot lifting shaft 25. The upper feeding device according to claim 1, wherein an engaging portion 38 is formed on the presser foot lifter shaft 25 to engage with a split collar 37 fixed to the presser foot lifting shaft 25 so as to be rotatable at a certain angle.
上向きに回動したときレバー３３に係合し、該レバーを
所定位置に保持するようになっており、保持の解除は布
端検知センサー４２よりの信号に基づいて行われる登録
請求の範囲第１項記載の上送り装置。(5) The operating means is a solenoid, which engages with the lever 33 when it rotates upward and holds the lever in a predetermined position.The holding is released by the cloth edge detection sensor 4. 2. The upward feeding device according to claim 1, wherein the registration is performed based on a signal from the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15301683U JPS6063174U (en) | 1983-09-30 | 1983-09-30 | Upper feed device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15301683U JPS6063174U (en) | 1983-09-30 | 1983-09-30 | Upper feed device of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6063174U true JPS6063174U (en) | 1985-05-02 |
| JPS6329509Y2 JPS6329509Y2 (en) | 1988-08-08 |
Family
ID=30338657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15301683U Granted JPS6063174U (en) | 1983-09-30 | 1983-09-30 | Upper feed device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6063174U (en) |
-
1983
- 1983-09-30 JP JP15301683U patent/JPS6063174U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6329509Y2 (en) | 1988-08-08 |
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