CN1222598A - Needle feeding sewing machine - Google Patents
Needle feeding sewing machine Download PDFInfo
- Publication number
- CN1222598A CN1222598A CN 98124621 CN98124621A CN1222598A CN 1222598 A CN1222598 A CN 1222598A CN 98124621 CN98124621 CN 98124621 CN 98124621 A CN98124621 A CN 98124621A CN 1222598 A CN1222598 A CN 1222598A
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- aforementioned
- linkage
- needle
- pin
- driving body
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Abstract
To provide a needle feed sewing machine for swinging needles in a cloth feeding direction, which is surely capable of stopping needle swinging and in a state for adjusting a needle stop position capable of stopping needle swinging by a simple structure. In a needle feed sewing machine 1 provided with needle swinging mechanisms 3, 4, 5 and 6 for swinging machine needles in a cloth feeding direction, driving bodies 12 and 14 for leading driving force for needle swinging mechanism motion and linking mechanism 7, 8 and 9 connected to the driving bodies and the needle swinging mechanisms for transmitting the motion of the driving bodies to the needle swinging mechanisms, a connecting/disconnecting means 10 is provided for disconnecting the driving bodies and the linking mechanisms from each other, and a link fixing means is provided to be fixed in an optical place and connectable to the linking mechanism, and by connecting the linking mechanism to the link fixing means 17, needle swinging is stopped.
Description
The present invention relates to needle feeding sewing machine, it comprises makes pin along the needle swinging mechanism of cloth feeding direction swing with derive the pendular body of this needle swinging mechanism motion-promotion force, and the linkage that the motion of this pendular body is passed to aforementioned needle swinging mechanism.
As making pin along cloth feeding direction swing and carry out the needle feeding sewing machine of work feed, for example, has the Sewing machines P1 that resembles the flat 6-63258 of Japanese TOHKEMY shown in Figure 5.This Sewing machines P1 comprises that making shank P21 is needle swinging mechanism P22, P44, the P42 of center swing with rotating shaft P23, derive the pendular body P36 of the driving force of this pin pendulum, and linkage P39, P43, described linkage passes to aforementioned needle swinging mechanism P42 to the swing of aforementioned pendular body P36, by the driving of above-mentioned pendular body P36 shank is swung along cloth feeding direction.
In the past, in this pin pendulum Sewing machines, developed and do not carried out the pin ordinary sewing machine device used, that above-mentioned needle swinging motion is stopped under the condition of giving a present.For example, as shown in Figure 6, in above-mentioned Sewing machines P1, as pin pendulum arresting stop, be provided with slide mechanism P37, the P38 that can slide and adjust to the position of the connecting portion of pendular body P36 and linkage P39, by above-mentioned connecting portion is slided on the centre line L of balance staff P32, just can not pass to linkage P39, P43 and needle swinging mechanism P22, P44, P42 to the swing of pendular body P36.
Yet, in the pin pendulum arresting stop of above-mentioned pin pendulum Sewing machines P1, exist on the position of stop position regulation of this pin and can not make the such problem of fine setting this position.Thus, exist such problem: because the error of each mechanism's installation accuracy or the error of each member machining accuracy etc., the stop position of pin has skew slightly, and for example, pin can not just in time fall into the central authorities of pin hole.
In addition, also exist such problem: even there is skew the position of connecting portion slightly from the central axis of balance staff P32, also can produce the needle swinging motion of pin, thereby, be difficult to carry out the adjustment that stops of pin pendulum.
In addition, must have on pendular body P36 and to form slide mechanism P37,38 such complex mechanisms.
In view of above-mentioned existing problem, the objective of the invention is, make pin along in the needle feeding sewing machine of cloth feeding direction swing, a kind of needle feeding sewing machine is provided, it just can stop pin pendulum really with simple structure, and, under the state that can adjust position on the stopping of pin, needle swinging motion is stopped.
For addressing the above problem, the invention of putting down in writing according to claim 1 is, in needle feeding sewing machine, comprise the needle swinging mechanism that the pin that makes Sewing machines is swung on cloth feeding direction, with the driving body of deriving this needle swinging motion drive force, and linkage, described linkage links to each other with aforementioned needle swinging mechanism with this driving body and the motion of aforementioned driving body is passed to aforementioned needle swinging mechanism, also comprise and make aforementioned driving body and detachable assembling and disassembling device of being connected of aforementioned linkage, with the link fixing means that can be connected with the aforementioned linkage that is fixed on any place, by taking being connected and this linkage being connected with aforementioned link fixing means of aforementioned linkage and aforementioned driving body apart, just can stop the needle swinging motion of pin.
Invention according to claim 1 is put down in writing when pulling down linkage from driving body, makes this linkage be connected with the link fixing means that is located at other places, thus, just can make under the state that needle swinging motion is stopped.That is, because under the state that pin is stopped, linkage becomes being connected of having no to concern with driving body, so, can stop the pin pendulum really, and, the pin pendulum just can be stopped with simple structure.
Because under the state that pin is stopped, linkage becomes being connected of having no to concern with driving body, as in the past, makes linkage stop but not restriction site, also can adjust the stop position of pin.
Therefore, for example, as driving body, what be suitable for is to make the pendular body of swing with the driving shaft interlock of Sewing machines or the rotor that rotates with the driving shaft interlock of Sewing machines etc., at driving body during, just can obtain the swing of pin pendulum by linkage and this rotor being slidingly connected etc. as rotor.
The invention that claim 2 is put down in writing is, in the needle feeding sewing machine that claim 1 is put down in writing, by connecting elements aforementioned driving body and aforementioned linkage are coupled together, then take this connection apart by taking this connecting elements apart, this connecting elements is also used as the member that connects aforementioned link fixing means and aforementioned linkage.
The invention of putting down in writing according to claim 2, because dual-purpose connects the connecting elements of driving body and linkage and is connected link fixing means and the connecting elements of linkage, so, when converting the state that does not carry out the pin pendulum to from the state that carries out pin pendulum, under the situation that does not increase unnecessary member, control member simply just.
The invention that claim 3 is put down in writing is, in claim 1 or 2 needle feeding sewing machines of being put down in writing, also comprise and to make to move the guiding mechanism of adjusting along deciding direction the link position of aforementioned connecting rod fixed component and aforementioned linkage, by making aforementioned link position decide direction and move along aforementioned, the fixed position of pin just can be done to move and be adjusted along the needle swinging motion direction.
The invention of putting down in writing according to claim 3, owing to just adjusting the stop position of pin when making stopping pin pendulum, so,, also can make the stop position of pin just in time be positioned at the central authorities of pin hole even exist under the situation of error in the installation accuracy of each mechanism or the machining accuracy of each member etc.
Therefore, for example, above-mentioned guiding mechanism can be made the structure that staggers in the fixed position that makes link fixing means, also can make the connecting portion that can connect linkage in the continuous formation of link fixing means direction that decide the upper edge.
The invention that claim 4 is put down in writing is, in claim 1～3 in any needle feeding sewing machine of putting down in writing, from the nearest side of the aforementioned driving body of aforementioned linkage as first connecting rod, one end of this first connecting rod links to each other with aforementioned driving body, and the other end is linking to each other with the remainder or the aforementioned needle swinging mechanism of linkage under the state that axis is the center rotation to connect, aforementioned needle swinging mechanism the connecting portion of aforementioned driving body and aforementioned first connecting rod by make aforementioned pin by the institute's fixed pendulum width of cloth swing during fixed amplitude of oscillation swing, be in the zone of center rotation with aforementioned connecting axle making aforementioned the fixed amplitude of oscillation set positions of the connecting portion of aforementioned link fixing means and aforementioned linkage.
Invention according to claim 4, when converting the state that does not carry out the pin pendulum to from the state that carries out pin pendulum, driving body makes a distolateral rotation of above-mentioned first connecting rod and moves on the connecting rod fixed mechanism, just can be a distolateral connecting portion that takes the connecting rod fixed mechanism to of first connecting rod.Therefore, all be fit to for the situation in the scope that the fixed position of pin is set in the pin pendulum.
Fig. 1 is the schematic perspective view of needle feeding sewing machine needle swinging mechanism internal structure in the expression embodiment of the invention.
Fig. 2 is the decomposition diagram of the coupling part of the linkage of presentation graphs 1 and pendular body.
Fig. 3 is the part front view of Fig. 2.
Fig. 4 is the schematic side view of the position relation of the connecting rod fixed head of presentation graphs 1 and pendular body.
Fig. 5 is the schematic perspective view of needle swinging mechanism internal structure in the needle feeding sewing machine of representing in the past.
Fig. 6 is the front view that makes the device that pin stops in the needle feeding sewing machine that is illustrated in the past.
Below, with reference to Fig. 1～Fig. 4 embodiments of the invention are explained.
Fig. 1 is the schematic perspective view of needle feeding sewing machine 1 needle swinging mechanism internal structure in the expression embodiment of the invention.
Among Fig. 1, the 30th, the lower shaft of driving shaft, the 32nd, toothed belt, the 24th, last axle, the 25th, eccentric wheel, the 26th, needle lifting connecting rod, the 27th, lifting body, the 28th, shank, the 31st, eccentric stiffener, the 12nd, balance staff, the 14th, as the pendular body of driving body, the 9th, as the fork of first connecting rod, the 8th, second connecting rod, the 7th, connecting rod, the 6th, swing arm, the 5th, shank bearing, the 4th, pin swing arm, the 3rd, supporting axis, the 17th, connecting rod fixed head.Wherein, last axle 24, eccentric wheel 25, needle lifting connecting rod 26, lifting body 27 and shank 28 formations make pin do the mechanism of elevating movement.
The needle swinging mechanism of swing pin is made of supporting axis 3, pin swing arm 4, shank bearing 5 and swing arm 6 etc. on cloth feeding direction.It can be under the state of center rotation with supporting axis 3 that pin swing arm 4 is supported in, and is fixing the bearing 5 of shank 28 in this pin swing arm 4.One end of swing arm 6 is fixed on the connecting axle 7, and the other end can slide up and down and be connected rotationally on the shank bearing 5.That is, be that the center is done back and forth to rotate with the axle center by connecting axle 7, pin swing arm 4 will swing and pin is done swing thereupon.
The mechanism of deriving above-mentioned needle swinging mechanism driving force by down by 30, eccentric stiffener 31, balance staff 12 and pendular body 14 etc. constitute.Balance staff 12 is supported on bearing 13 grades rotationally, and eccentric stiffener 31 is transformed into swing to the rotating drive of lower shaft 30, and is delivered on this balance staff 12.Pendular body 14 is fixed on the balance staff 12, and by the swing of decide stroke.
Then, the part as pendular body 14, fork 9 and the connecting rod fixed head 17 of feature of the present invention is described in detail.
Fig. 2 is the decomposition diagram of the major part A among Fig. 1, and Fig. 3 is the front view that the part front of the major part A from Fig. 1 is seen, Fig. 4 is a schematic drawing of representing that from being used to the connecting rod fixed head 17 and the side of the position relation of pendular body 14 are seen.
For the fixing fork of pulling down from pendular body 14 9, so connecting rod fixed head 17 is made of substrate 17B and side plate 17A, described side plate 17A is bent into and becomes 90 ° and stretch out from the inside with substrate 17B.Shown in Fig. 3 and 4, the position that is provided with of this fixed head 17 is: the plate face of side plate 17A be positioned at the joint face of pendular body 14 and fork 9 on the position with one side, and, the amplitude of oscillation B that the set positions of screw 17a is become to be included in the connecting portion that makes pendular body 14 and fork 9 can be in the zone (among Fig. 4, representing with two chain-dotted lines) of center rotation with connecting axle 8a.
Substrate 17B is the parts of the bearing of the frame that is used to make connecting rod fixed head 17 terminate in Sewing machines or bearing etc., is provided with screw stop slotted hole 17b on this board.As shown in Figure 4, this slotted hole 17b forms like this: under fork 9 and state that connecting rod fixed head 17 is connected, along fork 9 and movably direction extension of second connecting rod 8, the stop position of connecting rod fixed head 17 is moved along this slotted hole 17b, thus, fork 9 is offset with the position of second connecting rod 8, and the skew of this position passes to needle swinging mechanism, and the stop position of pin is moved along pin pendulum direction.That is, this slotted hole 17b has constituted the guiding mechanism of adjusting the stop position of pin.
According to the pin of this embodiment pendulum Sewing machines 1, fork 9 when pendular body 14 is pulled down, this fork 9 is connected with the connecting rod fixed head 17 that is located at other places, needle swinging motion is stopped.That is, under the state that needle swinging motion is stopped, because linkage (fork 9, second connecting rod 8, connecting axle 7) becomes being connected of having no to concern with pendular body 14, so, the pin pendulum is stopped, simultaneously, simple structure just can make the pin pendulum stop.
In addition, the stepwise screw 10 that pendular body 14 and fork 9 are coupled together is also used as the connecting elements that fork 9 and connecting rod fixed head 17 are coupled together, so, when converting the state that does not carry out the pin pendulum to from the state that carries out pin pendulum, under the situation that does not increase unnecessary member, control member simply just.
In addition, because can adjust the stop position of pin by the stop position of connecting rod fixed head 17 being staggered by slotted hole 17b, so,, also can make the stop position of pin just in time be positioned at the central authorities of pin hole even exist under the situation of error in the installation accuracy of each mechanism or the machining accuracy of each member etc.
In addition, the position of the screw 17a of connecting rod fixed head 17 is arranged to be positioned to make above-mentioned amplitude of oscillation B be the zone that rotate at the center with connecting axle 8a, so, be transformed into from the state that carries out the pin pendulum under the situation of the state that does not carry out the pin pendulum, pendular body 14 makes a distolateral rotation of fork 9 and moves on on the connecting rod fixed head 17, just can be a distolateral position of taking the screw 17a of connecting rod fixed head to of fork.Therefore, all be fit to for the situation in the scope that the fixed position of pin is set in the pin pendulum.
Have, the present invention is not limited to the pin pendulum Sewing machines 1 of this embodiment, can suitably change in the scope that does not break away from main purpose of the present invention again.For example, though exemplified pendular body 14 as driving body, the rotor that also applicable and driving shaft interlock Sewing machines rotates etc.In addition, though the connecting portion of the junction of linkage and link fixing means and driving body is general,, also can be provided with connecting portion at other place of linkage and be connected with link fixing means.In addition, though exemplified the slotted hole 17b of fixed head 17 as the guiding mechanism of the link position of adjusting linkage and link fixing means, but, also can on link fixing means, can connect the connecting portion of linkage, the junction of link fixing means be made the structure that can move continuously by the continuous formation of deciding direction.
The invention of putting down in writing according to claim 1 is because by pulling down linkage and with solid from driving body Decide device and be connected needle swinging motion is stopped, so, with simple structure the pin pendulum is stopped.
The invention of putting down in writing according to claim 2 is because dual-purpose connects the connecting elements of driving body and linkage And the connecting elements that connects link fixing means and linkage, so, changing from the state that carries out the pin pendulum When becoming not carry out the state of pin pendulum, in the situation that does not increase unnecessary member, control member simply just.
The invention of putting down in writing according to claim 3 is because by making being connected of link fixing means and linkage Staggering in the position just to adjust the stop position of pin, so, even in the installation accuracy of each mechanism or adding of each member Worker's precision etc. exists in the situation of error, also can make the stop position of pin just in time be positioned at the central authorities of pin hole.
According to the invention of claim 4, when converting the state that does not carry out the pin pendulum to from the state that carries out the pin pendulum, Since pendular body 14 make first connecting rod a distolateral rotation and move on on the connecting rod fixed head 17 can be first connecting rod The one distolateral connecting portion that takes the connecting rod fixed head to, the fixed position of pin is set in the scope of pin pendulum situation all Be fit to.
Claims (4)
1. needle feeding sewing machine, by the swing of pin cloth is moved towards cloth feeding direction, it comprises the needle swinging mechanism that the pin that makes Sewing machines is swung on cloth feeding direction, with the driving body of deriving this needle swinging motion drive force, and linkage, described linkage is connected on this driving body and the aforementioned needle swinging mechanism and the motion of aforementioned driving body is passed to aforementioned needle swinging mechanism, it is characterized by, also comprise and make aforementioned driving body and detachable assembling and disassembling device of being connected of aforementioned linkage, with the link fixing means that can be connected with the aforementioned linkage that is fixed on any place, by pulling down being connected and this linkage being connected with aforementioned link fixing means of aforementioned linkage and aforementioned driving body, just can stop the needle swinging motion of pin.
2. the needle feeding sewing machine of putting down in writing according to claim 1, it is characterized by, by connecting elements aforementioned driving body and aforementioned linkage are coupled together, then take this connection apart by pulling down this connecting elements, this connecting elements is also used as the member that connects aforementioned link fixing means and aforementioned linkage.
3. according to claim 1 or 2 needle feeding sewing machines of putting down in writing, it is characterized by, also comprise along decide direction and can make to move the guiding mechanism of adjusting the link position of aforementioned connecting rod fixed component and aforementioned linkage, by making aforementioned link position decide direction and move along aforementioned, the fixed position of pin just can be done to move and be adjusted along the needle swinging motion direction.
4. according to the needle feeding sewing machine of any record in the claim 1～3, it is characterized by, from the nearest side of the aforementioned driving body of aforementioned linkage as first connecting rod, one end of this first connecting rod links to each other with aforementioned driving body, and the other end is being to link to each other with the remainder or the aforementioned needle swinging mechanism of linkage under the rotating state in center to connect axis, aforementioned needle swinging mechanism the connecting portion of aforementioned driving body and aforementioned connecting rod by make aforementioned pin by the institute's fixed pendulum width of cloth swing during fixed amplitude of oscillation swing, the connecting portion of aforementioned link fixing means and aforementioned linkage is installed fixes on that to make aforementioned the fixed amplitude of oscillation be in the zone of center rotation with aforementioned connecting axle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP270037/97 | 1997-10-02 | ||
| JP27003797A JP3714578B2 (en) | 1997-10-02 | 1997-10-02 | Needle feed sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1222598A true CN1222598A (en) | 1999-07-14 |
| CN1095892C CN1095892C (en) | 2002-12-11 |
Family
ID=17480659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98124621A Expired - Lifetime CN1095892C (en) | 1997-10-02 | 1998-10-02 | Needle feeding sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3714578B2 (en) |
| CN (1) | CN1095892C (en) |
| TW (1) | TW404417U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412251C (en) * | 2002-05-08 | 2008-08-20 | 兄弟工业株式会社 | Sewing machine with needle feed |
| CN100417760C (en) * | 2001-10-30 | 2008-09-10 | 重机公司 | Needle cloth-feeding sewing machine |
| CN100535221C (en) * | 2003-04-23 | 2009-09-02 | 兄弟工业株式会社 | Sewing needle feeding sewing machine |
| CN101314901B (en) * | 2008-07-09 | 2012-09-19 | 中捷缝纫机股份有限公司 | Switch-over mechanism of feeding section of two-needle sewing machine |
| CN109537173A (en) * | 2017-09-21 | 2019-03-29 | 杜尔克普-阿德勒股份公司 | It operates the method for sewing machine and is configured to execute the sewing machine of the method |
| CN111020890A (en) * | 2019-11-25 | 2020-04-17 | 杰克缝纫机股份有限公司 | Feeding switching device and sewing machine with same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2625152C3 (en) * | 1976-06-04 | 1978-12-07 | Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern | Sewing machine with differential feed |
| JP2656350B2 (en) * | 1989-05-30 | 1997-09-24 | 日東電工株式会社 | Optical semiconductor device, method for producing the same, and resin composition for encapsulating optical semiconductor used therein |
-
1997
- 1997-10-02 JP JP27003797A patent/JP3714578B2/en not_active Expired - Fee Related
-
1998
- 1998-09-30 TW TW87216219U patent/TW404417U/en not_active IP Right Cessation
- 1998-10-02 CN CN98124621A patent/CN1095892C/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417760C (en) * | 2001-10-30 | 2008-09-10 | 重机公司 | Needle cloth-feeding sewing machine |
| CN100412251C (en) * | 2002-05-08 | 2008-08-20 | 兄弟工业株式会社 | Sewing machine with needle feed |
| CN100535221C (en) * | 2003-04-23 | 2009-09-02 | 兄弟工业株式会社 | Sewing needle feeding sewing machine |
| CN101314901B (en) * | 2008-07-09 | 2012-09-19 | 中捷缝纫机股份有限公司 | Switch-over mechanism of feeding section of two-needle sewing machine |
| CN109537173A (en) * | 2017-09-21 | 2019-03-29 | 杜尔克普-阿德勒股份公司 | It operates the method for sewing machine and is configured to execute the sewing machine of the method |
| CN111020890A (en) * | 2019-11-25 | 2020-04-17 | 杰克缝纫机股份有限公司 | Feeding switching device and sewing machine with same |
Also Published As
| Publication number | Publication date |
|---|---|
| TW404417U (en) | 2000-09-01 |
| CN1095892C (en) | 2002-12-11 |
| JPH11104383A (en) | 1999-04-20 |
| JP3714578B2 (en) | 2005-11-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20021211 |