CN101160426A - Chain-stitch sewing machine - Google Patents
Chain-stitch sewing machine Download PDFInfo
- Publication number
- CN101160426A CN101160426A CNA200680012615XA CN200680012615A CN101160426A CN 101160426 A CN101160426 A CN 101160426A CN A200680012615X A CNA200680012615X A CN A200680012615XA CN 200680012615 A CN200680012615 A CN 200680012615A CN 101160426 A CN101160426 A CN 101160426A
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- Prior art keywords
- line
- sewing machine
- looper device
- looper
- suture
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
- D05C11/16—Arrangements for repeating thread patterns or for changing threads
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
- D05B1/02—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making single-thread seams
- D05B1/06—Single chain-stitch seams
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B63/00—Devices associated with the loop-taker thread, e.g. for tensioning
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B85/00—Needles
- D05B85/006—Hooked needles
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2203/00—Selection of machines, accessories or parts of the same kind
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2207/00—Use of special elements
- D05D2207/02—Pneumatic or hydraulic devices
- D05D2207/04—Suction or blowing devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
A chain-stitch sewing machine, comprising a looper disposed under a throat plate, having a thread lead-in port and a thread lead-out port, and rotatingly driven in synchronism with sewing operation and a plurality of thread feed ports connected to different thread feed sources. The sewing machine also comprises a connection member having a thread passage and selectively connecting either of the plurality of thread feed ports to the thread lead-in port of the looper through the thread passage. A thread passing mechanism passes a thread fed from the thread feed port led to the thread lead-in port of the looper through the connection member into the thread lead-in port of the looper and takes out it from the thread lead-out port. The connection member may be selectively moved so that the inlet of the thread passage can be aligned with either of the plurality of thread feed ports. The plurality of thread feed ports may be arranged parallel with each other in a circular arc shape.
Description
Technical field
Thereby the present invention relates to by use the color many sutures different can carry out the chain sitch sewing machine of polychrome chain seam selectively with single looper device with characteristic.Particularly relate to and be applicable to the chain sitch sewing machine that the tubular sewn object is carried out the chain seam.
Background technology
Known in the past have a kind of crochet hook that makes reciprocal driving and be configured in the needle plate below and supply with the looper device interoperation of suture and synchronously thereby this looper device is rotated the chain seam is carried out in control to sewn object chain sitch sewing machine with the action of making of this crochet hook.In addition, also known have following a kind of chain sitch sewing machine, this Sewing machines has a looper device with respect to a head of sewing machine (also can be described as sewing head), prepared the shades of colour many piece sutures different for this single looper device, led to the chain seam (being polychrome chain seam) that in described looper device, sewn object is carried out the polychrome line thereby selectively arbitrary in these sutures is inserted with characteristic.Thereby by use many sutures can carry out an example of the chain sitch sewing machine of polychrome chain seam selectively by single looper device, can exemplify out patent documentation 1 shown in following or patent documentation 2 disclosed chain sitch sewing machines etc. as this.In following patent literature 1 or patent documentation 2 disclosed chain sitch sewing machines in the past,, below the looper device, disposed the line feed mechanism that can laterally slide in order from many sutures, to supply with a certain suture selectively to the looper device.In this line feed mechanism, be placed with many sutures side by side along glide direction, by this line feed mechanism many suture assortments itself are slided, thereby make desirable suture suitably arrive position under the looper device, insert and lead to the colour changing (colo(u)r streak selection) of carrying out suture at the looper device will being arranged in suture under the looper device under this state by injection air.
Patent documentation 1: No. 3457040 communique of Japanese Patent Laid
Patent documentation 2: the Japan Patent spy opens the 2002-317374 communique
As mentioned above, chain sitch sewing machine in the past is owing to be by the line feed mechanism that is placed with many sutures side by side many suture assortments itself laterally to be slided to carry out the colour changing of suture, therefore be difficult to make the structure miniaturization, and the transverse width that must guarantee to have many suture assortments roughly the slip of 2 times of scopes with space (for the well-to-do space of laterally moving).For this reason, the chain sitch sewing machine of the colo(u)r streak selected type in the past can only be applicable to plane sewn object.On the other hand, in sewn object, also have the sewn object of tubulars such as T-shirt and cap.As everyone knows, in enterprising normal the making or embroidering that work of tubular sewn object, the cartridge type shuttle seat that shuttle is housed in must making is positioned at the inboard of tubular sewn object.The same with it, in order on the tubular sewn object, to carry out the chain seam, must make the looper device be positioned at the inboard of tubular sewn object.Yet, by at random being inserted, many sutures leading in the chain sitch sewing machine in the past that in single looper device, can carry out the suture colour changing, made the structure that feed mechanism glide direction along the line is laterally slided many suture assortments itself, so be difficult to make the structure miniaturization, and must guarantee to have the slip of roomy scope to use space (the laterally well-to-do space of moving), for this reason, must make the inboard of the tubular sewn object of this line feed mechanism of configuration guarantee to have sizable space.Tubular sewn object for carrying out chain seam not only is constrained to very large size, even and can carry out large-sized sewn object of chain seam, it is made scope and also is very limited, and lacks practicality.Therefore in fact, the chain sitch sewing machine that is suitable for the tubular sewn object is carried out the chain seam (polychrome chain seam) of polychrome line was non-existent in the past.
Summary of the invention
In view of the above problems, the objective of the invention is to, possessing accordingly in the chain sitch sewing machine of 1 looper device with 1 head of sewing machine, a kind of chain sitch sewing machine that constitutes the line feed mechanism of small compact is provided, and this line feed mechanism supplies to the looper device with desirable suture selectively from many sutures under can making job state.Another purpose is, the chain sitch sewing machine that is suitable for the tubular sewn object is carried out polychrome linear chain seam is provided.
Chain sitch sewing machine according to the present invention's the 1st technological standpoint is characterized in that, comprising: the crochet hook that is back and forth driven; Be configured in needle plate below, have that line inserts mouthful and the line export mouth and with make the looper device that action synchronously is driven in rotation; The a plurality of line supply ports that connect with different separately line supply source; Have the line passage and pass through this line passage selectively with any connecting elements that is connected with the line insertion mouth of described looper device in described a plurality of line supply ports; To insert mouthful line of this looper device of suture break-through that the line supply port that is communicated with is supplied with from line and insert the threading mechanism of mouthful back from described line export mouth derivation by described connecting elements and described looper device.
According to the present invention's the 1st technological standpoint, because its structure is between a plurality of line supply ports and looper device, be provided with by any and the line of this looper device of line passage in selectively will these a plurality of line supply ports and insert the connecting elements that mouth is connected, therefore can make mechanism's densification of the line options and the supply usefulness of looper device.Its result can will be used for supplies with this line options of the color many piece sutures different with characteristic selectively and supplies with mechanism's integral body of usefulness and the looper device is accommodated in an end compactly and is in the looper base of outstanding shape (single armed shape) to single looper device.And,, can provide the chain sitch sewing machine that is suitable for the tubular sewn object is carried out the chain seam because the tubular sewn object can be come in and gone out from this end.Again, but because therefore line options and supply with itself the structure densification compared with the past of mechanism of usefulness is not limited to the sewn object of tubular, even the Sewing machines that plane sewn object is carried out the chain seam also is fit to use.
As preferred embodiment of the present invention, the described connecting elements between a plurality of line supply ports and looper device itself is a kind of member that can move selectively, and the inlet of described line passage and in described a plurality of line supply port any are coincide.Like this, because having made the assortment that does not make a plurality of line supply ports moves but makes the mobile structure of connecting elements one side, therefore can make the miniaturization that simplifies the structure of travel mechanism, and, the unnecessary space (because of not transverse movement of a plurality of line supply ports itself) that can not need to be used to guarantee removable (for example sliding) scope.
As another preferred embodiment of the present invention, it is characterized in that, described a plurality of line supply port is circular-arc assortment side by side, rotates along this circular arc assortment by making described connecting elements, and the line that in described a plurality of line supply ports any is connected to described looper device inserts mouthful.Like this, can make to the line insertion confession of described looper device and give mechanism's volume of suture littler, and, because for the action of selecting colo(u)r streak is not laterally to slide but circular motion, so the unnecessary space that can not need to be used to guarantee removable (slip) scope.Thereby can be more suitable for the tubular sewn object is carried out the Sewing machines use of chain seam.
Chain sitch sewing machine according to another technological standpoint of the present invention is characterized in that, comprising: the crochet hook that is back and forth driven; Be configured in needle plate below, have that line inserts mouthful and the line export mouth and with make the looper device that action synchronously is driven in rotation; A plurality of line supply ports of circular-arc assortment side by side; Selectively with any selecting arrangement that is connected with the line insertion mouth of described looper device in described a plurality of line supply ports; To insert mouthful line of this looper device of suture break-through that the line supply port that is communicated with is supplied with from line and insert the threading mechanism of mouthful back from described line export mouth derivation by described selecting arrangement and described looper device, the suture of deriving from described line export mouth is followed the rotation of described looper device and is rotated, by carrying out the chain seam with described crochet hook interoperation.Like this, make circular-arc by assortment with a plurality of line supply ports, even make this line supply port assortment itself that motion has taken place in order to select colo(u)r streak, this motion neither laterally be slided but circular motion, therefore the unnecessary space that can not need to be used to guarantee removable (slip) scope.Thereby can be more suitable for the tubular sewn object is carried out the Sewing machines use of chain seam.
Description of drawings
Fig. 1 is the outside drawing of the bull formula chain sitch sewing machine in one embodiment of the invention.
Fig. 2 is the sectional view that looper base is seen from the right side towards this Sewing machines the place ahead shown in Figure 1.
Fig. 3 is the sectional view of looper base.
Fig. 4 is the vertical view of looper base.
Fig. 5 is the upward view of looper base.
Fig. 6 is the front view of the looper base seen from this Sewing machines the place ahead shown in Figure 1.
Fig. 7 is the figure that the looper base leading section in the sectional view identical with Fig. 3 is amplified expression.
Fig. 8 is the stereogram that the part of the looper base leading section inner structure among the same embodiment is extracted expression.
Fig. 9 is the section plan that air is supplied with block.
The specific embodiment
Describe example of the present invention with reference to the accompanying drawings in detail.
Fig. 1 has the outside drawing of a plurality of chains seam with bull formula chain sitch sewing machines head of sewing machine 3, in one embodiment of the invention.The 1st, sewing machine frame, the 2nd, operation post, operation post 2 have liftable preceding operation post 2a.Be equipped with the chain seam head of sewing machine 3 that a plurality of (being 4 in the illustrated example) its main body is made of known configurations in the front of sewing machine frame 1, each head of sewing machine 3 has the crochet hook 4 (with reference to Fig. 7 described later) that up and down reciprocatingly drives.Below each head of sewing machine 3, dispose the looper base (looper device portion) 5 of cartridge type respectively.On operation post 2, be equipped with the not shown basic boom that moves along the X/Y direction, on basic boom, be respectively arranged with the pairing left and right supporting arm 6 corresponding with each head of sewing machine 3.Utilize this a pair of supporting arm 6 will be placed with T-shirt garment piece and so on tubular sewn object H make framework 7 supportings.Looper base 5 is in order to enter the inboard of making the tubular sewn object H that is provided with on the framework 7, forming the shape that forward front end stretches out to the space is cartridge type (cylindric or bar-shaped), and the single arm type supporting construction that is fixed on the sewing machine frame 1 by its base portion (end after leaning on) constitutes.
Describe the internal structure of looper base 5 below in detail.Fig. 2 is the sectional view that the looper base 5 of this embodiment is seen from the right side towards this Sewing machines the place ahead shown in Figure 1, and Fig. 3 is the sectional view of this looper base 5.In this Fig. 2 and Fig. 3, be positioned at the left side, be fixed on the form that looper base base portion (end after leaning on) on the sewing machine frame 1 is positioned at the right side and make diagram according to the forward leading section that stretches out to the space.Fig. 4 is the vertical view of this looper base 5, and Fig. 5 is the upward view of this looper base 5.Again, Fig. 6 is the front view of this looper base 5 of seeing from this Sewing machines the place ahead shown in Figure 1.As can be seen, the matrix 8 of looper base 5 is fixed on the sewing machine frame 1 by 4 studs 9 from Fig. 2 and Fig. 5.Below reaching above this matrix 8, be provided with a plurality of lids, formed by the whole looper base that covers 5 of these lids.In addition, in Fig. 2, Fig. 4～Fig. 6,, illustrate the looper base 5 (representing lid with notional line among the figure) that these lids is taken off the back state for the ease of understanding explanation.
Mainly be shown in Fig. 2 or Fig. 3～Fig. 5 etc., leading section (downside of the left side of Fig. 2 and Fig. 3, Fig. 4 and Fig. 5) at matrix 8 is equipped with looper device R, and this looper device R rotation has been subjected to matrix 8 and freely with the supporting of the supporting member 10 of fixed interval below matrix 8 of ormal weight.Again, the periphery at looper device R is formed with the Ra of belt pulley portion.On the other hand, be provided with fixing motor 14, on the electric drive axle of this motor 14, be fixed with drive pulley 15 at the base portion (upside of the right side of Fig. 2 and Fig. 3, Fig. 4 and Fig. 5) of matrix 8.Again, forward place in the centre position of the leading section of matrix 8 and base portion is provided with bearing components 13, these bearing components 13 rotations are freely with counter pulley 12 supportings, and this counter pulley 12 has big footpath belt pulley 12a and the path belt pulley 12b that disposes up and down across matrix 8.Between the big footpath belt pulley 12a of the Ra of belt pulley portion of looper device R and counter pulley 12, set up synchronous belt 16, and between the drive pulley 15 of the path belt pulley 12b of counter pulley 12 and motor 14, set up synchronous belt 17.Adopt this structure, along with the rotation of drive pulley 15 under the driving of motor 14, this rotation is delivered to path belt pulley 12b by synchronous belt 17, and this path belt pulley 12b and the big footpath belt pulley 12a that is fixed on the common axle are rotated together.And along with the rotation of big footpath belt pulley 12a, this rotation is delivered to the Ra of belt pulley portion by synchronous belt 16.Like this, utilize from motor 14 and transmit the revolving force of coming, but lastness ground drives looper device R rotation.
Fig. 7 is that this looper base leading section of looper base 5 side sections shown in Figure 3 amplifies the Zoom Side cutaway view of expression.Fig. 8 is the stereogram that the part of the leading section inner structure of the looper base among the same embodiment 5 is extracted expression.As can be seen from Figure 7, looper device R has the through wires hole 11 break-through, up/down perforation for suture T.This through wires hole 11 is the shape of pars intermedia bending as shown in the figure, and having formed will be that line inserts the form of mouthful suture T of 11a insertion from the peristome Rb derivation of upper end from the peristome of lower end.That is, the peristome of the lower end of through wires hole 11 is that line inserts the pivot position that mouthful 11a is formed on looper device R, and the peristome Rb of the upper end of opposite side is formed on from the position of looper device R pivot off-centre, is crooked shape at pars intermedia.At the upright line delivery line 45 that is provided with of the Rb of upper end open portion, its upper end becomes line export mouth 11b.Line export mouth 11b derives suture T towards the direction of pin hole 43a, this pin hole 43a is arranged on the needle plate 43 that is fixed in bracket 34, allows that crochet hook 4 connects.The crowd knows known, crochet hook 4 is descended, rotation as described above drives looper device R under the state of the break-through pin hole 43a of hook portion that makes its front end, to hang on the crochet hook 4 from the suture T volume that line export mouth 11b derives thus, crochet hook 4 is risen, hook portion will be hooked by the suture T that volume is hung, thereby the operation of chain seam is carried out on the surface that is drawn out to sewn object.Pull out a plurality of spools of suture T on being configured in not shown patch bay device, optionally arbitrary in the suture T that will pull out from a plurality of spools respectively supplies to the through wires hole 11 (see below in detail and state) of looper device R.
Shown in Fig. 3, Fig. 5 etc., by bearing 19 that is fixed in matrix 8 bottom surfaces and the bracket 20 that is fixed in supporting member 10 bottom surfaces, axle 18 rotations supporting freely.Rearward end at axle 18 is fixed with driven gear 21, and, this driven gear 21 and driven wheel 22 engagements that are positioned at the below.Driven wheel 22 is fixed on the sliding axle 23, this sliding axle 23 according to the colour changing of the suture T that sends to this chain sitch sewing machine instruction along the left and right directions driving of sliding.Described driven wheel 22 and driven gear 21 all are helical gears.Therefore, corresponding with the slip driving of sliding axle 23, come driving shaft 18 to rotate by driven wheel 22, driven gear 21.Shown in Fig. 5, Fig. 6 or Fig. 8 etc., in being the circular shape at center, the axle center with axle 18 disposes many (being 9 in the illustrated example) conduits 24.Each conduit 24 can from rearward end forward end direction place the suture T that pulls out a plurality of spools on being configured in not shown patch bay device respectively.The leading section of each conduit 24 is subjected to the supporting of bracket 20, and this bracket 20 has the corresponding line supply port of a plurality of and each conduit 24, and these line supply ports become the outlet that is placed on the suture T in each conduit 24 respectively.On the other hand, it is crooked that the back quadrate part of each conduit 24 is, and the end has formed the downward shape of approximate vertical thereafter.The rearward end of these each conduits 24 along left and right directions shape in upright arrangement be fixed on the ways 26, this ways 26 is fixed on the sewing machine frame 1, thus, the suture T that pulls out of described not shown patch bay device (line supply source) from the regulation position that is configured in the below is introduced in each conduit 24 from described rearward end.Again, the front of the bend of each conduit 24 bending partly is subjected to the supporting of supporting member 25.Adopt this structure, because (with the interval littler than the configuration space of each patch bay device) disposes a plurality of line supply ports thick and fast on bracket 20, so can compactly a plurality of line supply ports be concentrated in together, be suitable for looper base 5 is configured in the tubular sewn object H.
As mentioned above, axle 18 the front end that is supported in freely on matrix 8 bottom surfaces in rotation is fixed with connecting elements 27.As can be seen, connecting elements 27 has 1 connecting hole 27a (line passage) of inclination, has connecting portion 27b at its leading section from Fig. 7 and Fig. 8.The leading section (left side of Fig. 7) of connecting hole 27a (line passage) is formed on the position on axle 18 the axes extending line, and end (right side of Fig. 7) is formed on the position that the leading section (specifically being a plurality of line supply ports of bracket 20) with conduit 24 can coincide thereafter.Like this, connecting elements 27 rotates with predetermined angular (spacing) when above-mentioned the sort of axle 18 rotates, thereupon, the connecting hole 27a of connecting elements 27 (line passage) can be connected with each conduit 24 that its leading section is supported on the bracket 20 successively selectively, makes 1 line passage of suture T break-through become some in the conduit 24 accordingly with it.
Be fixed with air in the bottom surface of supporting member 10 and supply with block 28.As can be seen, be fixed with nozzle 29 on air supply block 28 from Fig. 7 and Fig. 8, enter the position of the rearward end of this nozzle 29 at the connecting portion 27b of connecting elements 27, connecting elements 27 is supplied with block 28 with air and is relative configuration.Leading section at nozzle 29 is fixed with tube connector 30, and a mouthful 11a is roughly closely inserted facing to the line of looper device R in the upper end that this tube connector 30 is erect.Fig. 9 is the section plan that air is supplied with block 28.On air supply block 28, be fixed with connector 31, be connected with pipe 32 on the connector 31 from air supply source (not shown).Like this, supplying air to air from the air supply source supplies with in the block 28.When air when air is supplied with block 28 and is supplied with, air is supplied with the annulus 28b that forms between the block 28 by the 29a of pipe joint portion and the air of air duct 28a flow nozzle 29, peripheral part from the 29a of pipe joint portion effectively is blown in tube connector 30 again, from the line export mouth 11b ejection of through wires hole 11.Thus, make the inside of the 29a of pipe joint portion become negative pressure and produce attraction line.That is, on conduit 24 connection basis in that axle 18 is rotated with the connecting hole 27a of connecting elements 27 and desirable suture T break-through, if from air supply source air supply, then desirable suture T is led in the through wires hole 11 of looper device R by slotting.Like this, formed the feed path of never illustrated patch bay device to 11 1 continuous suture T of through wires hole of connecting hole 27a, the looper device R of conduit 24 (the line supply port of bracket 20), connecting elements 27.Utilize these air supply blocks 28, air supply source, tube connector 30 etc. to constitute the line insertion mouthful 11a that plays from looper device R and make the threading mechanisms of line break-through to through wires hole 11 interior effects.
As shown in Figure 4, but at bracket 34 upper supports that are fixed in matrix 8 upper surfaces rotating moving knife 33 is arranged.But should have linking arm 33a by moving knife 33, linking arm 33a is connected with bar 36 by connecting plate 35.Bar 36 is fixed on the upper end that pivot is supported on the axle 37 of matrix 8, is fixed with actuating arm shown in Figure 5 38 in the lower end of axle 37.The front end of actuating arm 38 is connected with fixing block 40 by connection fittings 39.Fixedly block 40 is fixed on the sliding axle 41, this sliding axle 41 according to the instruction of the tangent line that sends to this chain sitch sewing machine along the left and right directions driving of sliding.Like this, if sliding axle 41 slides, but then moving knife 33 rotates.Again, be fixed with dead knife 42, but carry out the cut-out of suture T by the moving knife 33 of this dead knife 42 and above-mentioned rotation in the side of bracket 34.That is to say, but moving knife 33 is in the turned position shown in the solid line of Fig. 4, the suture T that derives from looper device R is not produced the position of any influence when making.As the cut-out action of suture T, but at first be in dead knife 42 sides moving knife 33 to be rotated to the position clockwise direction (among Fig. 4) that can capture suture T at first.Then, but moving knife 33 counterclockwise rotate and suture T caught, turn back to the turned position shown in the solid line of Fig. 4.At this moment, but moving knife 33 with dead knife 42 engagements and suture T is cut off.Under this state, the line end of the looper device R side of cut suture T is kept by not shown retaining member.And, but the maintenance of the line end of the looper device R side of this suture T can obtain by moving knife 33 is rotated ormal weight toward the clockwise direction removing.
In addition, be provided with the device of manual backguy below each conduit 24 rearward end, this device will be inserted the line end that leads to the suture T of (making just now) in looper device R and pull and be positioned at conduit 24.As the device of this manual backguy, drawing of for example can using the spy relevant with the applicant's application to open to put down in writing in the 2002-317374 communique fallen member and increased the increase parts etc. that line draws the amount of falling.Known because of these contents, therefore, in this description will be omitted.Certainly foregoing is not limited.
Describe in the chain sitch sewing machine of the present invention of said structure the tubular sewn object being carried out the action in chain when seam below.In each conduit 24, be placed with the color suture T different that pulls out a plurality of spools on being configured in not shown patch bay device respectively with characteristic.In begin chain when seam, at first make axle 18 rotate, and the connecting hole 27a of connecting elements 27 is connected with wantonly 1 conduit 24 that is placed with desirable suture T.Under this state, if supply with block 28 air supplies to air, then utilize the air that is supplied to will be placed on suture T in the connected conduit 24 and insert and lead in the through wires hole 11 of looper device R from the air supply source, the line end of suture T is derived from line export mouth 11b.Then, but same rotation when making moving knife 33 carry out with tangent line, and the line end of the suture T that through wires hole 11 backs of the connecting hole 27a of break-through connecting elements 27, tube connector 30 that air is supplied with block 28, looper device R are derived from line export mouth 11b keeps.
After the line end with suture T kept, drive motor 14 made looper device R rotation, and the crochet hook 4 of head of sewing machine 3 is moved up and down.With these actions the framework 7 of making that is placed with tubular sewn object H is moved along the X/Y direction.Thus, sewn object H is carried out the chain seam operation of the style of desirable suture T and embroidery etc.
When changing the suture T of chain seam operation, but moving up and down of the rotation of looper device R and crochet hook 4 reaches moving knife 33 after stopping counterclockwise to rotate and suture T is cut off successively toward the clockwise direction.After cutting off suture T, but make moving knife 33 rotate ormal weight toward the clockwise direction again and the maintenance of the line end of the looper device R side of suture T is removed.Then, use the device of not shown manual backguy to carry out manually, make the line end of the looper device R side of the suture T that has removed above-mentioned maintenance be positioned at conduit 24 inserting the suture T that leads in looper device R.Follow rotating shaft 18 again, the connecting hole 27a of connecting elements 27 is connected with the conduit 24 that is placed with desirable next time suture T, supply with block 28 air supplies to air, suture T inserted lead in looper device R, but moving knife 33 is rotated, keep inserting the line end that leads to the suture T in looper device R.And, with above-mentioned the same, when making looper device R rotation, crochet hook 4 is moved up and down, sewn object H is carried out the chain seam operation of desirable suture T.In addition, as we all know, chain seam form has chain type seam, circumferential weld etc., switches according to these settings of making action.
As mentioned above, adopt the chain sitch sewing machine shown in the foregoing description, its structure by conduit 24 with many suture guiding near looper device R, by making connecting elements 27 rotate and the through wires hole 11 of each conduit 24 with looper device R can be connected, thereby can make the component volume that is positioned at looper device R below very little, looper base 5 can be made the narrow and small cartridge type of width.Thus, can make looper base 5 be positioned at the inboard of multiple tubular sewn object H.Again, the little connecting elements of volume 27 is rotated, thus not only can make the drive source miniaturization, and can carry out the colour changing action fast.
In the above-described embodiments, only supplying with block 28 to air from the air of air supply source supplies with, with slotting the leading in the plug wire hole 11 of looper device R of suture T that is placed in the connected conduit 24, but be not limited to this, thereby also can be to come the moving of suture T in the subsidiary conduit 24 by near the air supply rearward end of also conductive pipe 24.
With suture T be directed to looper device R near, selectively the line insertion mouthful 11a of looper device R is connected with the end of conduit 24 by connecting elements 27, at random many sutures are inserted and led in single looper device R, this structure also can be the inboard that is positioned at tubular sewn object H.That is to say that the present invention is also applicable to the chain sitch sewing machine that plane sewn object is carried out the chain seam.
In addition, the circular-arc assortment that it is the center that the configuration that suture T is directed to a plurality of line supply ports of near the configuration of the conduit 24 the looper device R and bracket 20 is not limited to the sort of axle center with axle 18 of the foregoing description, for example also linearly laterally and the assortment of row arrangement.Under this occasion, for the connecting hole 27a that makes connecting elements 27 is connected with each conduit 24, connecting elements 27 of course not rotate drive but with and line moving drive.Even this occasion, according to the present invention, because not moving, the assortment that has made a plurality of line supply ports makes the mobile structure of connecting elements 27 1 sides, thus can make the miniaturization that simplifies the structure of sliding component, and do not need in order to ensure the unnecessary space of scope slidably.
As variation of the present invention, no matter described a plurality of line supply ports are being configured to circular-arc occasion and are being configured to any occasion in the horizontal occasion side by side of linearity, the gate of energy open and close controlling also can be set separately accordingly with a plurality of line supply ports of bracket 20, for the line passage in the connecting elements 27, be arranged to a plurality ofly at its inlet accordingly with each line supply port, connect into one in outlet.Like this, connecting elements 27 also need not motion, and the gate that only need open desirable colo(u)r streak can carry out colo(u)r streak and select.This occasion, the gate corresponding with each line supply port also can be arranged on bracket 20 1 sides, perhaps also can be arranged on connecting elements 27 1 sides.
And,, also circular-arc assortment can be had the bracket 20 of a plurality of line supply ports itself to rotate along this circular arc assortment as another variation of the present invention.Even this occasion also no longer needs horizontally set in order to ensure the unnecessary space of scope slidably, therefore, structure can reduce volume as a whole, is suitable for looper base 5 is accommodated in the inboard of making the tubular sewn object H that places on the framework 7.
In addition, conduit 24 is not limited to tubulose, so long as suture T can be directed to bracket 20, then whatsoever shape all can.
As we all know, make framework 7 and drive along the X/Y direction according to the tailoring pattern data, but the X/Y that is not limited to the plane drives, the known the sort of rotations such as embroidery seam that also comprise cap drive.Also can adopt the structure that makes head of sewing machine 3 and looper base 5 motions according to tailoring pattern again.
Claims (9)
1. a chain sitch sewing machine is characterized in that, comprising:
The crochet hook that is back and forth driven;
Be configured in needle plate below, have that line inserts mouthful and the line export mouth and with make the looper device that action synchronously is driven in rotation;
The a plurality of line supply ports that connect with different separately line supply source;
Have the line passage and pass through this line passage selectively with any connecting elements that is connected with the line insertion mouth of described looper device in described a plurality of line supply ports;
To insert mouthful line of this looper device of suture break-through that the line supply port that is communicated with is supplied with from line and insert the threading mechanism of mouthful back from described line export mouth derivation by described connecting elements and described looper device.
2. chain sitch sewing machine as claimed in claim 1 is characterized in that, described connecting elements is a kind of member that can move selectively, and the inlet of described line passage and in described a plurality of line supply port any are coincide.
3. chain sitch sewing machine as claimed in claim 1, it is characterized in that, described a plurality of line supply port is circular-arc assortment side by side, rotates along this circular arc assortment by making described connecting elements, and the line that in described a plurality of line supply ports any is connected to described looper device inserts mouthful.
4. chain sitch sewing machine as claimed in claim 1, it is characterized in that, the linearly assortment side by side of described a plurality of line supply port is moved along this assortment by making described connecting elements, and the line that in described a plurality of line supply ports any is connected to described looper device inserts mouthful.
5. chain sitch sewing machine as claimed in claim 1 is characterized in that, described threading mechanism utilizes air ejection power that described suture is released described line export mouth.
6. chain sitch sewing machine as claimed in claim 1 is characterized in that, described a plurality of line supply ports are configured on the bracket, and the line pilot unit extends to this bracket from the line supply source corresponding with separately line supply port.
7. chain sitch sewing machine as claimed in claim 6 is characterized in that, described a plurality of line supply ports are configured on the described bracket thick and fast.
8. as each described chain sitch sewing machine of claim 1 to 7, it is characterized in that described looper device is positioned at the inboard of tubular sewn object.
9. a chain sitch sewing machine is characterized in that, comprising:
The crochet hook that is back and forth driven;
Be configured in needle plate below, have that line inserts mouthful and the line export mouth and with make the looper device that action synchronously is driven in rotation;
A plurality of line supply ports of circular-arc assortment side by side;
Selectively with any selecting arrangement that is connected with the line insertion mouth of described looper device in described a plurality of line supply ports;
To insert mouthful line of this looper device of suture break-through that the line supply port that is communicated with is supplied with from line and insert the threading mechanism of mouthful back from described line export mouth derivation by described selecting arrangement and described looper device,
The suture of deriving from described line export mouth is followed the rotation of described looper device and is rotated, by carrying out the chain seam with described crochet hook interoperation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP119736/2005 | 2005-04-18 | ||
| JP2005119736A JP4310289B2 (en) | 2005-04-18 | 2005-04-18 | Chain stitch sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101160426A true CN101160426A (en) | 2008-04-09 |
Family
ID=37115175
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200061858U Expired - Fee Related CN2913409Y (en) | 2005-04-18 | 2006-04-18 | Sewing machine for chain-type stitch |
| CNA200680012615XA Pending CN101160426A (en) | 2005-04-18 | 2006-04-18 | Chain-stitch sewing machine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200061858U Expired - Fee Related CN2913409Y (en) | 2005-04-18 | 2006-04-18 | Sewing machine for chain-type stitch |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20090038519A1 (en) |
| EP (1) | EP1873294A1 (en) |
| JP (1) | JP4310289B2 (en) |
| CN (2) | CN2913409Y (en) |
| WO (1) | WO2006112460A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502616A (en) * | 2021-05-28 | 2021-10-15 | 浙江信胜科技股份有限公司 | Looping head separation piece transferring mechanical arm with rope locking function and embroidery machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6448997B2 (en) | 2014-11-26 | 2019-01-09 | 蛇の目ミシン工業株式会社 | Sewing machine threading device |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53123257A (en) * | 1977-04-01 | 1978-10-27 | Toshio Miyamoto | Device for replacing yarn of sewing machine |
| JPS6017559B2 (en) * | 1982-03-29 | 1985-05-04 | 東海工業ミシン株式会社 | Looper of single chain stitch sewing machine |
| JPS599259A (en) * | 1982-07-05 | 1984-01-18 | 東海工業ミシン株式会社 | Sewing yarn replacing apparatus in embroidering machine |
| US5237942A (en) * | 1991-03-01 | 1993-08-24 | Juki Corporation | Overlock sewing machine having upper and lower looper thread takeup lever drive mechanisms |
| JP2865470B2 (en) * | 1992-02-24 | 1999-03-08 | 株式会社鈴木製作所 | Sewing machine threading device |
| US5301622A (en) * | 1992-03-02 | 1994-04-12 | Suzuki Manufacturing, Ltd. | Looper for sewing machine |
| JPH06154453A (en) * | 1992-11-26 | 1994-06-03 | Barudan Co Ltd | Sewing machine |
| JP2747776B2 (en) * | 1993-08-27 | 1998-05-06 | 宮本株式会社 | Sewing machine automatic thread trimmer |
| JP3457040B2 (en) * | 1994-01-11 | 2003-10-14 | 東海工業ミシン株式会社 | Chain stitch sewing machine |
| JPH08243282A (en) * | 1995-03-14 | 1996-09-24 | Tokai Ind Sewing Mach Co Ltd | Drive device for multi-head type sewing machine |
| JP2002317374A (en) * | 2001-04-18 | 2002-10-31 | Tokai Ind Sewing Mach Co Ltd | Chain-stitch sewing machine |
| JP4310264B2 (en) * | 2004-11-29 | 2009-08-05 | 東海工業ミシン株式会社 | Chain stitch sewing machine |
| JP2008237551A (en) * | 2007-03-27 | 2008-10-09 | Juki Corp | Sewing machine |
-
2005
- 2005-04-18 JP JP2005119736A patent/JP4310289B2/en not_active Expired - Fee Related
-
2006
- 2006-04-18 US US11/911,774 patent/US20090038519A1/en not_active Abandoned
- 2006-04-18 EP EP06745430A patent/EP1873294A1/en not_active Withdrawn
- 2006-04-18 CN CNU2006200061858U patent/CN2913409Y/en not_active Expired - Fee Related
- 2006-04-18 CN CNA200680012615XA patent/CN101160426A/en active Pending
- 2006-04-18 WO PCT/JP2006/308148 patent/WO2006112460A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502616A (en) * | 2021-05-28 | 2021-10-15 | 浙江信胜科技股份有限公司 | Looping head separation piece transferring mechanical arm with rope locking function and embroidery machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006112460A1 (en) | 2006-10-26 |
| JP4310289B2 (en) | 2009-08-05 |
| JP2006296557A (en) | 2006-11-02 |
| US20090038519A1 (en) | 2009-02-12 |
| EP1873294A1 (en) | 2008-01-02 |
| CN2913409Y (en) | 2007-06-20 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20080409 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |