CN101638833B - Cylindrical base sewing machine - Google Patents

Cylindrical base sewing machine Download PDF

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Publication number
CN101638833B
CN101638833B CN2009101615568A CN200910161556A CN101638833B CN 101638833 B CN101638833 B CN 101638833B CN 2009101615568 A CN2009101615568 A CN 2009101615568A CN 200910161556 A CN200910161556 A CN 200910161556A CN 101638833 B CN101638833 B CN 101638833B
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CN
China
Prior art keywords
feeding
sewing machine
still
wrist
platform
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Expired - Fee Related
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CN2009101615568A
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Chinese (zh)
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CN101638833A (en
Inventor
福田照晃
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Juki Corp
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Juki Corp
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Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a cylindrical base sewing machine which does not require the operation of detaching a kettle shaft platform in feed tooth replacement for preventing the inferior action caused by inferior assembling. The cylindrical base sewing machine comprises the following components: two sewing needles; two kettle shafts; two horizontal kettles; a feed arm (43); feed teeth (45); a feed arm platform (6); a kettle shaft platform; a kettle shaft platform cover; and a needle board supporting part. The feed arm platform comprises the following components: two feed arm platform sheets (61,62) which are separated along the left-right direction of the sewing machine base; and a fastening component (63) which connects each feed arm platform sheet that can be detached from the sewing machine base singly.

Description

Cylindrical base sewing machine
Technical field
The present invention relates to a kind of cylindrical base sewing machine, it has two suture needles, and has the portion that uprightly is provided with, and this uprightly is provided with portion and begins upright setting from sewing machine base.
Background technology
For example shown in record in the patent documentation 1, known a kind of cylindrical base sewing machine, it has from sewing machine base and begins the upright portion that uprightly is provided with that is provided with.
Aforesaid existing cylindrical base sewing machine; Extremely shown in Figure 11 like Fig. 9; From the portion that uprightly is provided with 100 that the base 120 (Figure 10) of Sewing machines begins to erect, be the center with feeding wrist platform 110, about it, begin to erect configuration still pillow block 102L, 102R from base 120 respectively.Still pillow block 102L, 102R are last in the left and right sides, vertically dispose left and right sides still axle (not shown) respectively, and rotatably support, horizontal still KL, KR about the upper end of this still axle is fixing.In addition, the upper end of still pillow block 102L, 102R in the left and right sides disposes still cover 123L, 123R respectively, and is fixed by screw 102a.And, about still pillow block 102L, 102R last, still pillow block cover 103LF, 103LR, 103RF, 103RR so that the mode that covers before and after it disposes are fixed by a plurality of screw 103a.
Feeding driving mechanism FD is set below base 120, and the drive source of this feeding driving mechanism FD and Sewing machines links and produces oscillating motion, and said feeding wrist platform 110 is set above this feeding driving mechanism FD.
The lower end is attached at the feeding wrist 111 on the feeding driving mechanism FD, utilizes screw 121 fixing feeding tooth 102 in the top.In the centre of feeding wrist 111, square slider 111B is rotatably supported by horizontal supporting shaft 111A, and this square slider 111B can be supported slidably on above-below direction with respect to said feeding wrist platform 110.Feeding wrist 111 through linking with feeding driving mechanism FD, is guided and moves up and down by square slider 111B, is center swing rotation with back shaft 111A simultaneously, thereby carries out the feed motion of fore-and-aft direction.
Said feeding wrist platform 110 has three sides, to cover fore-and-aft direction and these three directions of right side of feeding wrist 111.In addition, in the front-back upper end of feeding wrist platform 110,, make the upper end that is supported on needle plate support 104 in two lower ends of the needle plate 122 of the roughly U font of the upper end of feeding wrist platform 110 configuration by the fixing needle plate support 104 of screw 104b.Still pillow block 102L, 102R about end is fixed on by screw 104a about said needle plate support 104 are last, cover from still pillow block 102L, the left and right horizontal still KL that protrudes above the 102R, KR and still axle upper end from fore-and-aft direction.Said still cover 123L, 123R are configured to, with they cover.
Patent documentation 1: the spy of Japan opens flat 7-24175 communique
Summary of the invention
In aforesaid structure, when replacing is installed in the feeding tooth 101 on the feeding wrist 111, must make the left of feeding wrist platform 110 become open mode, can pull down the screw 121 of the feeding tooth 101 that is installed on the feeding wrist 111.Thus, must pull down after still cover, still pillow block cover 103, the needle plate support 104, from sewing machine base 120, pull down so very complicated operations of left still pillow block 102L, obviously reduce operating efficiency.
In addition; The Sewing machines that has carried the automatic tangent function with carried in the Sewing machines of still pillow block 102 auto-supply devices; Under the situation of pulling down still pillow block 102, must pull down the tangent mechanism of still pillow block 102 inside or the binding of the mechanism in fuel feeding portion and the sewing machine base 120, after changing feeding tooth 101; These parts are assembled once more, made operation become complicated more.Therefore, after the assembling, assembly failure becomes the reason that causes that action is bad once more.
Here, the objective of the invention is, the operation that when changing the feeding tooth, need not pull down the still pillow block is increased work efficiency, and prevents owing to the bad action that causes is installed bad simultaneously.
The invention of record in the technical scheme 1, cylindrical base sewing machine, it has: two still axles are fixed with horizontal still respectively in their upper end; About the still pillow block, they are fixed on the sewing machine base, on left and right directions, begin upright setting from sewing machine base separated from one anotherly, are respectively that said still axle is rotatably supported at the center with the vertical axis; The feeding wrist, it is configured between the still pillow block about said, and lower end and feeding driving mechanism link, and can advance to moving along the cloth direction of feed of fore-and-aft direction is enterprising; The feeding tooth, it can be fixed on the upper end of said feeding wrist with freely dismantling; Feeding wrist platform; It is fixed on the sewing machine base, begins upright setting from said sewing machine base, supports said feeding wrist; Make said feeding wrist slide on the above-below direction and can on the cloth direction of feed, swing, thereby make said feeding wrist can carry out feed motion; Still pillow block cover, it is removably disposed on said each still pillow block, to cover the front and back of said each still pillow block; And the needle plate support, it removably supports needle plate, and is simultaneously removably supported with respect to said still pillow block cover and said feeding wrist platform,
It is characterized in that said feeding wrist platform is by constituting with the lower part: two feeding wrist platform sheets, they can separate on the fore-and-aft direction of said sewing machine base, when combining, can said feeding wrist be remained between the said still pillow block; And secure component, it links each feeding wrist platform sheet, and in two feeding wrist platform sheets one can be with respect to said sewing machine base dismounting.
The invention of record is characterized in that in the technical scheme 2, the cylindrical base sewing machine of record in the technical scheme 1,
Can be the feeding wrist platform sheet that is positioned at anterior position with respect to the feeding wrist platform sheet of said sewing machine base dismounting.
The invention of record is characterized in that in the technical scheme 3, the cylindrical base sewing machine of record in the technical scheme 1 or 2,
Said two feeding wrist platform sheets form slot part, and this slot part supports and is installed in the square slider on the said feeding wrist, so that this square slider can be free to slide along the vertical direction, when said slot part separates at said two feeding wrist platform sheets, open forwards, backwards.
The effect of invention
According to the invention of record in the technical scheme 1, when changing the feeding tooth,, pull down secure component then as long as pull down still pillow block cover and needle plate support, after the binding of two feeding wrist platform sheets of releasing, a feeding wrist platform sheet pulled down from sewing machine base get final product.Owing to only the feeding tooth is exposed, the feeding wrist is rotated and begin to move, thereby can carry out the replacing of feeding tooth from position across the still pillow block by this operation.
Thus, the operation that when changing the feeding tooth, need not to pull down the still pillow block, thus can prevent that the action that causes owing to assembly failure is bad.
Invention according to record in the technical scheme 2 through pulling down the feeding wrist platform sheet that is positioned at the sewing machine base front side, can make the feeding wrist rotate to operator's side.
Thus, can easily carry out the replacing operation of feeding tooth.
According to the invention of record in the technical scheme 3, owing to two feeding wrist platform sheets leave slot part, thus the operation that when changing the feeding tooth, need not to pull down the still pillow block, thus can prevent that the action that causes owing to assembly failure is bad.
Description of drawings
Fig. 1 is the oblique view of cylindrical base sewing machine.
Fig. 2 is the enlarged drawing of A portion among Fig. 1.
Fig. 3 is the figure of the still axle rotational structure when representing from downside observation sewing machine base.
Fig. 4 (a) is the figure that expression is housed in the feeding wrist in the feeding wrist platform, (b) is the B-B profile between the A-A in (a).
Fig. 5 (a) is the front view of the feeding wrist platform of bonding state, (b) is the exploded view of feeding wrist platform.
Fig. 6 (a) is the vertical view of the portion that uprightly is provided with of pulling down the state of still cover, and (b) is the front view of the portion that uprightly is provided with that the state of still cover is installed.
Fig. 7 (a) is the vertical view of the portion that uprightly is provided with when pulling down still cover and needle plate, (b) is the still cover to be installed and have been pulled down still pillow block cover and the front view of the portion that uprightly is provided with during the needle plate support.
Fig. 8 is the figure of the replacing operation of explanation feeding tooth.
Fig. 9 is the portion that uprightly is provided with in the existing cylindrical base sewing machine, (a) is the vertical view of pulling down the portion that uprightly is provided with of still cover state, (b) is the front view that the portion that uprightly is provided with of still cover state has been installed.
Figure 10 is the figure that is housed in the feeding wrist in the feeding wrist platform in the existing cylindrical base sewing machine of expression.
Figure 11 is the exploded perspective view of the summary state of the rising portions in the existing cylindrical base sewing machine of expression.
The specific embodiment
Below, with reference to accompanying drawing, specify the preferred forms of cylindrical base sewing machine involved in the present invention.In addition, in this embodiment, be the direction that benchmark is confirmed the Sewing machines each several part with the XYZ axle shown in each figure.Sewing machines is being arranged under the state of horizontal plane, Z-direction representes to become the above-below direction of vertical, and Y direction is represented the left and right directions consistent with the length direction of Sewing machines arm, X-direction represent level and with the fore-and-aft direction of Y direction quadrature.
< structure of the line adjusting device of Sewing machines >
Like Fig. 1~shown in Figure 4, cylindrical base sewing machine 1 has to carry and places the sewing machine stand 10 on the workbench 2.
(sewing machine stand)
As shown in Figure 1, sewing machine stand 10 has: sewing machine base 12, and it has last plane, and plane and sewing machine table 2 are same plane on this; Sewing machines arm 11, it extends along Y direction, can support needle bar 22 at front end with swinging up and down; Vertical body portion 13, it goes up upright the setting at above-below direction (Z-direction), with Sewing machines arm 11 and sewing machine base 12 bindings; And the portion that uprightly is provided with 14 of tubular roughly, the front end of itself and Sewing machines arm 11 is relative, begins to erect outstanding the setting from sewing machine base 12.
Portion 14 uprightly is set, and identical ground with prior art has: feeding wrist platform 6; And left still pillow block 31L, right still pillow block 31R, they dispose from the left and right sides across this feeding wrist platform 6, and the lower end is fixed on the sewing machine base 12.
(needle drive mechanism)
As shown in Figure 1, needle drive mechanism has: not shown upward axle (main shaft), and it extends along Y direction in Sewing machines arm 11, can be supported rotatably with sewing machine electromotor (not shown) interlock; A pair of needle bar 22, it is gone up in Y direction (left and right directions) and arranges, and can be supported on the front end of Sewing machines arm 11 up or down; Suture needle 21, it is supported on the lower end of each needle bar 22; And known reciprocating mechanism (not shown) such as toggle-action lever, it is arranged in the Sewing machines arm 11, is moving up and down of needle bar 22 with the rotation transformation of last axle.
(container mechanism)
Like Fig. 2, shown in Figure 3, container mechanism 30 has: lower shaft 3, and it extends along Y direction in sewing machine base 12 with rotating freely; A pair of lower shaft gear 3a, 3a, they and lower shaft 3 are provided with coaxially; A pair of still shaft gear 34,34, they are screwed on lower shaft gear 3a, 3a is last; Left and right sides still axle 33L, 33R, they erect in portion 14 uprightly is set, fixing respectively this still shaft gear 34,34 in their lower end; And horizontal still 32L, 32R (Fig. 6), they are fixed on the upper end of each still axle 33L, 33R.
Each horizontal still 32L, 32R and said two suture needles 21,21 are corresponding and be configured on the Y direction (left and right directions), through forming the stitching of two eyelets (Lock stitch) with suture needle 21,21 co-operatings.
Said still axle 33L, 33R are rotatably supported by still pillow block 31L, 31R.
(feeding driving mechanism)
As shown in Figure 4, feeding driving mechanism 40 has: linkage component 41, itself and lower shaft interlock and circular motion is carried out in an end; And feeding wrist 43, its lower end is attached on the end of linkage component 41, passes through fixedly feeding tooth 45 of screw 44 in the upper end.
Said feeding wrist 43 is plate-shaped members of strip, and therebetween, the ladder screw (back shaft) 47 through along fore-and-aft direction rotatably supports square slider 46.Said square slider 46 can slide up and down to supported with respect to feeding wrist platform 6.
As shown in Figure 5, feeding wrist platform sheet 61,62 before and after feeding wrist platform 6 has, they are split into 2 parts on fore-and-aft direction, respectively can be supported with respect to sewing machine base 12 dismounting ground.Advancing in wrist platform sheet 61 and the laggard right side wall portions 61b separately that gives wrist platform sheet 62, the 62b; Consistent a plurality of screw hole 61a, the 62a in axle center when being formed on butt joint; The two ends of this screw hole 61a, 62a are at the front side arm 61c and the laggard rear side wall portion 62c opening of giving wrist platform sheet 62 that advance to wrist platform sheet 61.Through make a plurality of screws 63 as secure component run through screw hole 61a, 62a and trip bolt, can make advance integrated to wrist platform sheet 61 with the laggard wrist platform sheet 62 of giving.
Relative portion place at right side wall portions 61b, 62b forms notch 61d, 62d, and this notch 61d, 62d constitute slot part 6a.With 61,62 butt joints of front and back feeding wrist platform sheet the time, notch 61d, 62d are relative abreast, so that square slider 46 can slide on above-below direction.
Feeding wrist platform 6 is configured to, and utilizes said front side wall portion 61c, said rear side wall portion 62c, right side wall portions 61b, 62b, from the front side of the X-direction of sewing machine base 12 and the right side of rear side and Y direction amount to three directions and cover feeding wrists 43.
As shown in Figure 2, in the upper end of feeding wrist platform 6, be provided with along the needle plate 5 of X-direction (fore-and-aft direction).Needle plate 5 forms hole 5a, the 5a that feeding tooth 45 is haunted, and disposes relatively with the suture needle 21,21 of the needle drive mechanism 20 of the pin that falls.The pin hole (not shown) of two strips is set on feeding tooth 45, and it forms along X-direction abreast, and two suture needles 21,21 are run through.
In Fig. 6, only show the place ahead part; But left still pillow block cover 51L is configured to a pair of; To cover the fore-and-aft direction of left still pillow block 31L; Equally, right still pillow block cover 51R is configured to a pair of on the fore-and-aft direction of right still pillow block 31R, utilize a plurality of screw 51a respectively and be fixed on left and right sides still pillow block 31L, 31R is last.In addition; Needle plate support 52 disposes a pair of on the fore-and-aft direction of feeding wrist platform 6; Utilize dog screw 52a respectively and be fixed on the top of left and right sides still pillow block 31L, 31R; Utilize dog screw 6d simultaneously and be fixed on the upper front of advancing, engage with the front and back end of needle plate 5 and support to wrist platform sheet 61.
Still pillow block cover 51L, 51R and needle plate support 52 cover the front and the back side that portion 14 uprightly is set.
In addition, in the upper end of still pillow block 31L, 31R, removably support covering horizontal still 32L, the still cover 53L of 32R, 53R.
Here; Because still pillow block cover 51L, 51R, needle plate support 52, still cover 53L, 53R are arranged on the position of mutually noninterfere; So can any interference not take place with other parts when dismounting; And, owing to be arranged on the outside of still pillow block 31L, 31R, so when pulling down them, need not to pull down still pillow block 31L, 31R.
Thus, as long as pull down still pillow block cover 51 and needle plate support 52, then, can not interfere with other parts when sewing machine base 12 dismountings are advanced to wrist platform sheet 61.
(changing the operating sequence of feeding tooth)
When changing feeding tooth 45; Begin from state shown in Figure 6; Pull down needle plate 5, unclamp and be positioned at a plurality of trip bolt 52a that portion 14 front sides uprightly are set and trip bolt 6d and pull down needle plate support 52, unclamp a plurality of trip bolt 51a and still pillow block cover 51L, 51R about pulling down.
Thus, as shown in Figure 7, left and right sides still pillow block 31L, 31R and feeding wrist platform 6 become and expose state.
Under this state, if pull down screw 63, then feeding wrist platform 6 is removed to advance and is given the binding of wrist platform sheet 62 and be separated with laggard to wrist platform sheet 61.
Here; Owing to advance and be arranged on the swing line of feeding wrist 43 to wrist platform sheet 61, so if pull down and advance to wrist platform sheet 61, then as shown in Figure 8; Feeding wrist 43 can with the linking part (connecting pin 42) of linkage component 41 as fulcrum, topple over to the front side of sewing machine base 12.
Topple over to the front side of sewing machine base 12 through making feeding wrist 43; Can be in the front side of Sewing machines; Pull down the fixedly dog screw 44 of feeding tooth 45, so the operator can not change operation owing to interfering hinder with other parts, can easily carry out the replacing of feeding tooth 45.
(action effect of embodiment)
According to aforesaid cylindrical base sewing machine 1, feeding wrist platform 6 is to utilize screw 63, will link along the divided front and back feeding of sewing machine base 12 fore-and-aft directions wrist platform sheet 61,62.And each feeding wrist platform sheet 61,62 can be individually from sewing machine base 12 dismountings.
Thus, when changing feeding tooth 45, pull down left and right sides still pillow block cover 51L, 51R and needle plate support 52; Then; Pull down screw 63, advance to after the wrist platform sheet 61 from laggard pulling down, only through making feeding wrist 43 rotate to the front side to wrist platform sheet 62; Just can feeding tooth 45 be placed the broad space of Sewing machines front side, thereby carry out the replacing of feeding tooth easily.
Thus, when changing feeding tooth 45, the operation that need not to pull down left and right sides still pillow block 31L, 31R can prevent that the action that causes owing to assembly failure is bad.
In addition, also can make feeding wrist 23 rotate to operator's opposition side (Sewing machines rear side) through pulling down the laggard wrist platform sheet 62 of giving.

Claims (3)

1. cylindrical base sewing machine, it has:
Two still axles are fixed with horizontal still respectively in their upper end;
About the still pillow block, they are fixed on the sewing machine base, on left and right directions, begin upright setting from sewing machine base separated from one anotherly, are respectively that said still axle is rotatably supported at the center with the vertical axis;
The feeding wrist, it is configured between the still pillow block about said, and lower end and feeding driving mechanism link, and can advance to moving along the cloth direction of feed of fore-and-aft direction is enterprising;
The feeding tooth, it can be fixed on the upper end of said feeding wrist with freely dismantling;
Feeding wrist platform; It is fixed on the sewing machine base, begins upright setting from said sewing machine base, supports said feeding wrist; Make said feeding wrist slide on the above-below direction and can on the cloth direction of feed, swing, thereby make said feeding wrist can carry out feed motion;
Still pillow block cover, it is removably disposed on said each still pillow block, to cover the front and back of said each still pillow block; And
The needle plate support, it removably supports needle plate, and is simultaneously removably supported with respect to said still pillow block cover and said feeding wrist platform,
It is characterized in that,
Said feeding wrist platform is by constituting with the lower part:
Two feeding wrist platform sheets, they can separate on the fore-and-aft direction of said sewing machine base, when combining, can said feeding wrist be remained between the said still pillow block; And
Secure component, it links each feeding wrist platform sheet,
In two feeding wrist platform sheets one can be with respect to said sewing machine base dismounting.
2. cylindrical base sewing machine as claimed in claim 1 is characterized in that,
Can be the feeding wrist platform sheet that is positioned at anterior position with respect to the feeding wrist platform sheet of said sewing machine base dismounting.
3. according to claim 1 or claim 2 cylindrical base sewing machine is characterized in that,
Said two feeding wrist platform sheets form slot part, and this slot part supports and is installed in the square slider on the said feeding wrist, so that this square slider can be free to slide along the vertical direction,
When said slot part separates at said two feeding wrist platform sheets, open forwards, backwards.
CN2009101615568A 2008-08-01 2009-07-31 Cylindrical base sewing machine Expired - Fee Related CN101638833B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008199379A JP2010035681A (en) 2008-08-01 2008-08-01 Post bed sewing machine
JP2008-199379 2008-08-01
JP2008199379 2008-08-01

Publications (2)

Publication Number Publication Date
CN101638833A CN101638833A (en) 2010-02-03
CN101638833B true CN101638833B (en) 2012-11-14

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CN2009101615568A Expired - Fee Related CN101638833B (en) 2008-08-01 2009-07-31 Cylindrical base sewing machine

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CN (1) CN101638833B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102502408B1 (en) * 2014-10-06 2023-02-23 인테바 프로덕츠 엘엘씨. Method and apparatus for stitching a three dimensional formed component
CN113373606B (en) * 2021-06-16 2022-07-22 浙江威比玛智能缝制科技有限公司 Sewing equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1091168A (en) * 1993-06-30 1994-08-24 韩国电机工业株式会社 The gullet plate switch of crosspointer column base plate formula sartorius
US6470815B1 (en) * 2001-04-16 2002-10-29 Tsai-Fa Ho Structure high speed zigzag stitch industrial-use sewing machine
CN2556231Y (en) * 2002-05-28 2003-06-18 启翔股份有限公司 Column-type sewing machine
CN2646173Y (en) * 2003-07-16 2004-10-06 中国标准缝纫机公司上海惠工缝纫机三厂 Feeding mechanism of superhigh type integrative feeding sewing machine
CN1740424A (en) * 2004-08-25 2006-03-01 启翔股份有限公司 Cloth feeding rod mechanism of cylindrical sewing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1091168A (en) * 1993-06-30 1994-08-24 韩国电机工业株式会社 The gullet plate switch of crosspointer column base plate formula sartorius
US6470815B1 (en) * 2001-04-16 2002-10-29 Tsai-Fa Ho Structure high speed zigzag stitch industrial-use sewing machine
CN2556231Y (en) * 2002-05-28 2003-06-18 启翔股份有限公司 Column-type sewing machine
CN2646173Y (en) * 2003-07-16 2004-10-06 中国标准缝纫机公司上海惠工缝纫机三厂 Feeding mechanism of superhigh type integrative feeding sewing machine
CN1740424A (en) * 2004-08-25 2006-03-01 启翔股份有限公司 Cloth feeding rod mechanism of cylindrical sewing machine

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JP2010035681A (en) 2010-02-18

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