JP2015188669A5 - - Google Patents

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JP2015188669A5
JP2015188669A5 JP2014069722A JP2014069722A JP2015188669A5 JP 2015188669 A5 JP2015188669 A5 JP 2015188669A5 JP 2014069722 A JP2014069722 A JP 2014069722A JP 2014069722 A JP2014069722 A JP 2014069722A JP 2015188669 A5 JP2015188669 A5 JP 2015188669A5
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Japan
Prior art keywords
arm
sewing machine
cylinder
bed
head
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JP2014069722A
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Japanese (ja)
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JP2015188669A (en
JP6334989B2 (en
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Priority to JP2014069722A priority Critical patent/JP6334989B2/en
Priority claimed from JP2014069722A external-priority patent/JP6334989B2/en
Priority to CN201510136301.1A priority patent/CN104947334B/en
Priority to TW104109888A priority patent/TWI616571B/en
Publication of JP2015188669A publication Critical patent/JP2015188669A/en
Publication of JP2015188669A5 publication Critical patent/JP2015188669A5/ja
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Description

この種の送り出し腕型ミシンとして、シリンダーとアームとが互いに交差する方向にベッドから延出したものが従来より知られている(例えば、特許文献1参照。)。図4乃至図6は特許文献1に開示されるような従来の送り出し腕型ミシンにおけるミシン本体11の外観を示したもので、図4は同ミシンの左側面図、図5は同ミシンの平面図、図6は同ミシンの正面図である。
図4に示すように、シリンダー13はベッド12から布送り方向Fに延出している。アーム14は基部がベッド12に立脚するとともにシリンダー13と交差する方向に水平延伸している。アーム14の先端部は図5に示すようにシリンダー13の先端側に向かって屈折し、該アーム14の先端には頭部15が連設されている。頭部15はシリンダー13先端上面に設けられた針板16上方に配置されている。
頭部15の下面から図示しない針棒,押さえ棒が突出しており、針棒には複数の針が、押さえ棒には押さえ金17がそれぞれ固定されている。押さえ金17には図示しない上下メス,上飾りスプレッダなどが備えられている。また、シリンダー13内には図示しない送り歯,ルーパが備えられている。
As this type of delivery arm type sewing machine, one that extends from a bed in a direction in which a cylinder and an arm intersect each other has been conventionally known (for example, see Patent Document 1). 4 to 6 show the appearance of the sewing machine body 11 in a conventional delivery arm type sewing machine as disclosed in Patent Document 1, FIG. 4 is a left side view of the sewing machine, and FIG. 5 is a plan view of the sewing machine. FIG. 6 and FIG. 6 are front views of the sewing machine.
As shown in FIG. 4, the cylinder 13 extends from the bed 12 in the cloth feeding direction F. The arm 14 stands horizontally on the bed 12 and extends horizontally in a direction crossing the cylinder 13. End of the arm 14 is refracted toward the distal end side of the cylinder over 13 as shown in FIG. 5, the tip of the arm 14 the head 15 is continuously provided. The head 15 is disposed above a needle plate 16 provided on the top surface of the tip of the cylinder 13.
A needle bar and a presser bar (not shown) protrude from the lower surface of the head 15, and a plurality of needles are fixed to the needle bar, and a presser bar 17 is fixed to the presser bar. The presser foot 17 is provided with an upper and lower knife, upper decoration spreader, etc. (not shown). Further, a feed dog and a looper (not shown) are provided in the cylinder 13.

第2ベッド7の右側後面には第2連結部8の一端が接続されており、第2連結部8の他端はアーム4の基部前面に接続されている。アーム4はその基部から左方つまりシリンダー側に向かって延伸し、その左端には頭部5が接続されている。頭部5はシリンダー3上面に設けられた針板9の上方に位置づけられている。頭部5やシリンダー3の内部には縫い目を形成するための各機構が設けられており、また頭部5の下方には図示しない複数の針や押さえ金が配置されているが、これらは従来既知のものであり、説明を省略する。また、アーム4の前面や第2ベッド7の後面には、針糸や飾り糸の繰り出しを制御する天秤,カムなどの糸繰り部材、およびこれらの糸流れを案内する糸案内部材が設けられている。 One end of the second connecting portion 8 is connected to the right rear surface of the second bed 7, and the other end of the second connecting portion 8 is connected to the base front surface of the arm 4. The arm 4 extends from the base to the left, that is, toward the cylinder, and a head 5 is connected to the left end. The head 5 is positioned above a needle plate 9 provided on the upper surface of the cylinder 3. Each mechanism for forming a seam is provided inside the head 5 and the cylinder 3, and a plurality of needles and pressers (not shown) are arranged below the head 5. Since it is a known one, its description is omitted. The front surface of the arm 4 and the rear surface of the second bed 7 are provided with a balance for controlling the feeding of the needle yarn and the decorative yarn, a yarn feeding member such as a cam, and a yarn guiding member for guiding the flow of these yarns. Yes.

また、図3に示すように、第1ベッド2の右側方には上部を除きアーム4と連結される部位が存在しておらず、第1連結部6の下部右側方にも連結される部位が存在しない。つまり第1ベッド2の右方の懐は十分に広く、ミシン本体1は作業者が右手をシリンダー3上面に差し入れて生地を針落ち9aに向かって送り出す際に、右腕の肘から先はもちろんのこと、二の腕もミシン本体1に当たり難い構造となっており、もって作業者の作業性を損ねないというものである。 Further, as shown in FIG. 3, there is no portion connected to the arm 4 except for the upper portion on the right side of the first bed 2, and the portion connected to the lower right side of the first connecting portion 6. Does not exist. That bosom of the first right of the bed 2 is sufficiently wide, when the sewing machine main body 1 to begin feeding toward the fabric pledged to cylinder 3 the upper surface of the right hand operator to the needle drop 9a, ahead of course from the right arm of the elbow In other words, the second arm has a structure that is difficult to hit the sewing machine main body 1 so that the workability of the operator is not impaired.

上述したように、本実施例のミシン本体1は縫製に対する作業者の操作性は維持されつつも、作業者の針落ちに対する視認性を向上させ、かつアーム内部や表面のスペースを大きく確保したものとなっている。このような形状のミシン本体1にあって、以上説明したような上軸18,中間軸19,下軸20,第1ベルト21,第2ベルト22の配置および連結によって、第1ベッド2に配置される各駆動機構は下軸20に連結されて下軸20の回動に同調して駆動する。下軸20はアーム4に配置される上軸18よりも低い位置に配置されており、第1ベッド2に配置される各機構と下軸20とを連結する複数の偏心ロッドは、従来例すなわち上軸と連結されるものと比して当然に短尺,軽量なものとなり、もってミシン駆動時に偏心ロッドにかかる負荷が軽減され、ミシンの高速化を図ることができる。 As described above, the sewing machine main body 1 of the present embodiment has improved the operator's operability with respect to sewing while improving the operator's visibility against needle dropping and ensuring a large space inside the arm and on the surface. It has become. The sewing machine body 1 having such a shape is arranged on the first bed 2 by the arrangement and connection of the upper shaft 18, the intermediate shaft 19, the lower shaft 20, the first belt 21, and the second belt 22 as described above. Each drive mechanism connected to the lower shaft 20 is driven in synchronization with the rotation of the lower shaft 20. The lower shaft 20 is disposed at a position lower than the upper shaft 18 disposed on the arm 4, and a plurality of eccentric rods connecting the respective mechanisms disposed on the first bed 2 and the lower shaft 20 are, Naturally, it is shorter and lighter than that connected to the upper shaft, so that the load applied to the eccentric rod during driving of the sewing machine is reduced, and the speed of the sewing machine can be increased.

JP2014069722A 2014-03-28 2014-03-28 Delivery arm type sewing machine Active JP6334989B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2014069722A JP6334989B2 (en) 2014-03-28 2014-03-28 Delivery arm type sewing machine
CN201510136301.1A CN104947334B (en) 2014-03-28 2015-03-26 Arm-outtake type sewing machine
TW104109888A TWI616571B (en) 2014-03-28 2015-03-27 Feed arm type sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014069722A JP6334989B2 (en) 2014-03-28 2014-03-28 Delivery arm type sewing machine

Publications (3)

Publication Number Publication Date
JP2015188669A JP2015188669A (en) 2015-11-02
JP2015188669A5 true JP2015188669A5 (en) 2017-04-27
JP6334989B2 JP6334989B2 (en) 2018-05-30

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JP2014069722A Active JP6334989B2 (en) 2014-03-28 2014-03-28 Delivery arm type sewing machine

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JP (1) JP6334989B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI585262B (en) * 2015-12-25 2017-06-01 Ming Jang Sewing Machine Co Ltd Curved arm type sewing machine structure
JP7388809B2 (en) * 2017-09-25 2023-11-29 Juki株式会社 Feed-out arm type double chainstitch sewing machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1928486A (en) * 1931-01-31 1933-09-26 Lewis Invisible Stitch Machine Sewing machine frame
US2623484A (en) * 1948-03-19 1952-12-30 Singer Mfg Co Feed-off-the-arm sewing machine
GB1460969A (en) * 1974-03-13 1977-01-06 Singer Co Feed-off-the-arm sewing machine
JP6210774B2 (en) * 2013-07-24 2017-10-11 ペガサスミシン製造株式会社 Feeding mechanism of feeding arm type sewing machine

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