CN1129683C - Overedger - Google Patents
Overedger Download PDFInfo
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- CN1129683C CN1129683C CN 00105827 CN00105827A CN1129683C CN 1129683 C CN1129683 C CN 1129683C CN 00105827 CN00105827 CN 00105827 CN 00105827 A CN00105827 A CN 00105827A CN 1129683 C CN1129683 C CN 1129683C
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- spirality
- linear chain
- mentioned
- suction pipe
- connects
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- 239000004744 fabric Substances 0.000 claims abstract description 71
- 210000000078 claw Anatomy 0.000 claims abstract description 28
- 238000007664 blowing Methods 0.000 claims description 4
- 238000009958 sewing Methods 0.000 abstract description 10
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 241000278713 Theora Species 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010417 needlework Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 210000001364 upper extremity Anatomy 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
An empty ring pressing claw is formed by bending the tip part of a front cover plate of an empty ring suction tube, which is provided with a suction opening facing a throat plate claw on one side of a throat plate, toward the inside of the empty ring suction tube in the empty ring suction tube and is constituted so as to engage an empty ring with an engaging part formed as a recessed part at the lower part of the empty ring pressing claw and to hold the empty ring at the location when the empty ring formed at the throat plate claw is sucked into the empty ring suction tube. The edge of the empty ring pressing claw acts by guiding the empty ring, which is derived from the engaging part by a lifting force acting at the time when cloth for sewing is fed, to a guide groove connected to the upper part of the empty ring pressing claw. The empty ring 6 guided into the guide groove is cut by the operation of a movable blade as a cutting blade.
Description
The present invention relates to a kind of overlock machine that forms over-lock stitch at the ora terminalis of making grey cloth, in more detail, relate to a kind of overlock machine that spirality connects the linear chain suction pipe that has, this spirality connects linear chain suction pipe when making grey cloth and do not send to, the spirality that attracts to form on the needle board claw of needle plate one side connects linear chain, and with suitable length spirality is connected the linear chain cut-out with built-in cutoff tool.
The ora terminalis of sending on the needle plate of making grey cloth is formed the overlock machine of over-lock stitch, the structure that adopts is, pleurapophysis at above-mentioned needle plate width is provided with needle board claw, when making grey cloth and not sending to, with above-mentioned needle board claw as support, the spirality that forms needlework and looper thread obvolvent continuously is connected linear chain, and this structure makes follow-uply makes making of grey cloth and be connected linear chain with above-mentioned spirality and connect and go up and begin rapidly.
In this overlock machine, can obtain connecting linear chain by above-mentioned spirality will make grey cloth in advance and make the sewings that grey cloth is connected shape with follow-up, but after making the end of job, the spirality that connection will be made between the grey cloth connects the linear chain cut-out, above-mentioned spirality is connected linear chain carry out other necessary working of handling the whole story so need make etc. in the trailing edge of making grey cloth or follow-up leading edge of making grey cloth in advance, this is to hinder the factor that operating efficiency improves of making.
Therefore, the overlock machine of prior art has adopted a kind of practical structure, promptly, the side configuration at above-mentioned needle plate has the attraction mouth in the face of above-mentioned needle board claw, the spirality that its inside is provided with cutoff tool connects the linear chain suction pipe, this spirality connects the linear chain suction pipe and is making the spirality connection linear chain that attracts above-mentioned needle board claw place to form when grey cloth is not sent to, and cuts off spirality connection linear chain on the equipping position of above-mentioned cutoff tool.
According to this formation, is connected with the grey cloth rear side in advance of sewing finishing formerly and the spirality connection linear chain that forms is not cut off with follow-up follow-up grey cloth front side made from not being connected, therefore, do not need the cut-out of the spirality connection linear chain in the processing operation at the whole story.
But, overlock machine with the above spirality connection linear chain suction pipe, make grey cloth before, the shearing length that rear screw shape connects linear chain only depends on that spirality connects the allocation position of the cutoff tool of linear chain suction pipe inboard, on the other hand, because in order to carry out above-mentioned cut-out reliably, this allocation position be set in attract mouthful near, thereby the shearing length of spirality connection linear chain shortens, like this, constitute needlework or looper thread that this spirality connects linear chain, later making do not carried out in the action of pin when making grey cloth and do not send to or looper and extracting from each pin hole (pin or the set through wires hole of looper front end) sometimes.Under this occasion,, must make forcibly to make to move to stop, thereby bring the problem that efficient reduced opposite with the raising of making operating efficiency for needlework or the looper thread that will extract refills.
For sort this problem out, Japanese kokai publication sho 51-446 communique (unexamined Japanese patent publication NO.51-446 (1976)), open in fact clear 57-55819 communique (Japanese Utility Model through examination is announced NO.57-55819 (1982)) etc. and disclose a kind of overlock machine, do not sending to when making grey cloth, spirality is connected spirality that the linear chain suction pipe attracted to be connected linear chain and directs into the position of leaving the cutoff tool allocation position and remain on not under the dissengaged positions, follow-up when making grey cloth when sending to, make the effect of grey cloth by this, above-mentioned spirality is connected allocation position and the cut-out that linear chain directs into cutoff tool.
The spy opens the overlock machine that clear 51-446 communique (unexamined Japanese patent publication NO.51-446 (1976)) is disclosed, the reclinate tongue piece of air-flow that has the suction of making at the attraction mouth of spirality connection linear chain suction pipe, in not sending the hollow joint process of making grey cloth to, spirality connection linear chain by downward suction airstream suction is not being kept to the cutoff tool guiding ground that is configured in the top, make the sending in the process of grey cloth follow-up, advance make grey cloth and surpass above-mentioned tongue piece position the time gradually above-mentioned spirality is connected linear chain and draws, direct into the allocation position of cutoff tool and cut off.According to this structure, spirality in the hollow joint connects the maintenance of linear chain and can carry out reliably, but spirality after the cut-out connects linear chain, and to remain in the length of front side of follow-up grey cloth longer, brought must carry out this spirality and connect the problem of handling at whole story of linear chain.
In addition, open the overlock machine that clear 57-55819 communique (Japanese Utility Model through examination is announced NO.57-55819 (1982)) is disclosed in fact, in the face parallel with making the grey cloth feeding direction, be provided with recess at the attraction mouth of spirality connection linear chain suction pipe and the position between the cutoff tool, in not sending the hollow joint process of making grey cloth to, spirality connects linear chain and cooperates with above-mentioned recess, remain under the state of the allocation position that does not direct into cutoff tool, follow-up when making grey cloth and sending to, make advancing of grey cloth and removed and be connected linear chain along with this, be guided the allocation position of above-mentioned cutoff tool and be cut off with the spirality of the cooperation of above-mentioned recess.According to this structure, the cut-out that spirality connects linear chain is to carry out near the front end of follow-up grey cloth, thereby shortened and cut off the residual spirality connecting line chain length in back, be easy to handle the whole story, but, owing to be connected the hold mode instability of linear chain with the spirality that above-mentioned recess cooperates, this is engaged in not send to and is easy in the hollow joint of making grey cloth be taken off, as a result, bring the spirality connection linear chain of taking off to cause carefully to cut off, have by the cut-out action of cutoff tool and can't stablize the problem of making.
The present invention proposes in view of the above fact, its objective is provides a kind of overlock machine, this overlock machine is not being sent to when making grey cloth, the spirality that does not need the needle board claw place of needle plate one side is formed connects the allocation position that linear chain is directed to cutoff tool, just can stably keep this spirality to connect linear chain, in addition, make in the grey cloth process sending to, make the effect of grey cloth by means of this, the spirality that is kept can be connected linear chain is directed to the allocation position of cutoff tool apace and cuts off this spirality connection linear chain reliably, do not need to carry out numerous and diverse processing at the whole story that relic coil shape connects linear chain, can implement stable making continuously.
The overlock machine of the present invention's first scheme is provided with: the spirality that forms on the needle board claw with needle plate one side when making grey cloth and do not send to connects linear chain, and the spirality that attracts through the attraction mouth in the face of above-mentioned needle board claw connects the linear chain suction pipe;
Be configured in this spirality connect linear chain suction pipe inside, and the spirality that will be directed to this allocation position connect the cutoff tool that linear chain cuts off;
Be arranged near the above-mentioned attraction mouth, its a part of go up to form above-mentioned spirality is connected that linear chain cooperates and the auxiliary section that keeps, and have the spirality that is connected, will draws from this auxiliary section with this auxiliary section and connect spirality that linear chain directs into the leading edge of above-mentioned cutoff tool allocation position and connect linear chain and push pawl along with making sending to of grey cloth.
In the present invention, spirality is set near spirality connects the attraction mouth of linear chain suction pipe connects linear chain pushing pawl, therefore, in not sending the hollow joint of making grey cloth to, to connect linear chain through the spirality that above-mentioned attraction mouth attracts cooperates with the auxiliary section, remain under the stable status, this auxiliary section makes groove and forms on an above-mentioned spirality connection linear chain pushing pawl part.And sending to when making grey cloth, connect linear chain make the grey cloth spirality that the active force that produced draws from the auxiliary section of advancing by this, direct into the allocation position of cutoff tool and cut-out reliably along the leading edge that is connected with above-mentioned auxiliary section.
The overlock machine of alternative plan, above-mentioned spirality connection linear chain pushing pawl constitutes one side of above-mentioned attraction mouth to the inside bend that spirality connects the linear chain suction pipe.In the present invention, make to be arranged on spirality to connect the one side of the attraction mouth on the linear chain suction pipe crooked to the inside, with the lower position of sweep as the auxiliary section, and with the ora terminalis of this sweep as leading edge, thus, constitute spirality with being integral connecting linear chain pushing pawl.
The overlock machine of third party's case also is provided with face-off ground, above-mentioned auxiliary section is provided with and is used to retrain the constriction that the spirality that cooperates with above-mentioned auxiliary section and keep is connected the linear chain disengaging.In the present invention, be connected the auxiliary section face-off that forms on the part of linear chain pushing pawl with spirality and the constriction that is provided with, the spirality that keeps with the cooperation of above-mentioned auxiliary section from the opposite side pushing is connected linear chain, the constraint spirality connects linear chain to be made from the auxiliary section disengaging, does not send the maintenance of the spirality connection linear chain when making grey cloth to and carries out more reliably.
The overlock machine of cubic case, the inside that connects the linear chain suction pipe in above-mentioned spirality is provided with guide pad, this guide pad have the spirality that is used for blowing back when making beginning connect linear chain blow to above, with of the inclination of above-mentioned attraction mouth one side as top; On the part of this guide pad, form above-mentioned constriction.
In the present invention, make the making before the beginning of grey cloth making, blow back spirality and connect the spirality connection linear chain that the linear chain suction pipe is kept, and with it from the overlock machine that above-mentioned leading edge of making grey cloth sews up with being integral, utilization connects the set guide pad in inside of linear chain suction pipe in above-mentioned spirality, this guide pad has and the spirality of blowing back is connected linear chain blows to the retainer above being configured in, with the incline structure that attracts a side of mouth as top, for example, groove is cut and formed to the part that is connected the face-off of linear chain pushing pawl with spirality of above-mentioned guide pad, and formation constraint spirality connects the constriction of linear chain disengaging.
The overlock machine of the 5th scheme, above-mentioned constriction are to be connected the partial plastic forming of linear chain suction pipe and constituted by above-mentioned spirality.
In the present invention, purpose of the present invention and new feature by reading the detailed description of hereinafter making with reference to accompanying drawing, can be understood better.
Fig. 1 is the perspective view of the structure of expression overlock machine major part of the present invention.
Fig. 2 is the integrally-built perspective view that the expression spirality connects the linear chain suction pipe.
Fig. 3 is the decomposition diagram that spirality connects the linear chain suction pipe.
Fig. 4, Fig. 5, Fig. 6 are the key diagrams that overlock machine of the present invention is made state.
Fig. 7 A, Fig. 7 B are the front views that the expression spirality connects the spirality connection linear chain hold mode of linear chain suction pipe inside.
Fig. 8 A, Fig. 8 B are the front views of another generation type of constriction.
Below, the embodiment shown in describes the present invention in detail with reference to the accompanying drawings.Fig. 1 is the perspective view of expression overlock machine major part structure of the present invention.
Among Fig. 1, the pin that moves up and down is supported on head not shown in the figures in sagging mode.With the top of the sewing machine table B of the below of this pin 1 face-off, set up needle plate 2, one side of these needle plate 2 length directions is along the lateral margin setting of above-mentioned sewing machine table B.On this needle plate 2, be formed for to receive the needle falling hole 20 of this pin 1 at down position in the face of above-mentioned pin 1.In addition, on needle plate 2, in a side of above-mentioned needle falling hole 20 widths, form several be used to guide not shown in the figures send tooth to send hole 21,21 to ..., this is sent hole 21 to and makes along the rectangle slotted hole of the fore-and-aft direction of this needle falling hole 20.By means of from the above-mentioned hole 21 of sending to the outstanding action of sending tooth in needle plate 2 tops, can act on making on the grey cloth W on the sewing machine table B to sending to of direction shown in the arrow among the figure.
In addition, at the opposite side of above-mentioned needle falling hole 20, be provided with needle board claw 22 towards above-mentioned feeding direction, this needle board claw 22 has the shape that reduces gradually towards the leading section width with extending.This needle board claw 22 is as mentioned below, its effect is when not sending the hollow joint of making grey cloth to, be used to support spirality to connect linear chain, this spirality connects linear chain and forms with the looper thread that passes looper not shown in the figures by means of the needlework 1a that passes and remain on the above-mentioned pin 1.
Side at needle plate 2 widths that as above constitute is equipped with spirality connection linear chain suction pipe 3.Fig. 2 is that the expression spirality connects linear chain suction pipe 3 integrally-built perspective views, and Fig. 3 is the decomposition diagram that spirality connects linear chain suction pipe 3.It is cylindrical shells of rectangular cross section that spirality shown in Figure 3 connects linear chain suction pipe 3, and its base end part is integral the tube connector 30 that is provided with the circular cross section that is used to connect inhaling hose with connecting.In addition, the base end side that spirality connects linear chain suction pipe 3 one sides is covered by integrally formed with it back shroud 31, the front of above-mentioned one side is covered by inside and outside overlapping cutting knife plate 32 and front shroud 33, but this front end leaves the remainder of suitable length, and the opening that forms as shown in Figure 2 at this remainder is the attraction mouth 3a of rectangle.
As shown in Figure 3, form the grooving portion that the latter half cuts with rectangular mode, be integrally formed into dead knife 34 at the arm of angle of this grooving portion in the front of cutting knife plate 32.In addition, in the base end side bottom of cutting knife plate 32 vertical with it fulcrum 35 is installed.But blade 36a, its base portion that moving knife 36, its front end are provided with upwards are fixed on this fulcrum 35 towards cutting knife plate 32 1 side application of forces ground by helical spring 38 with the driving member 37 that one constitutes, but driving member 37 is overlapping with the one side of this moving knife 36.
Driving member 37 has the fork 37a that is used for connecting machine spindle not shown in the figures, according to rotatablely moving of the machine spindle that transmits to this fork 37a, but swings around fulcrum 35 with moving knife 36.By means of this swing, but the preceding terminal knife edge 36a of moving knife 36 is under the pushing state of above-mentioned helical spring 38 elastic force, formed dead knife 34 sliding-contacts on below and the above-mentioned cutting knife plate 32 are cut off the spirality that is directed at this sliding contacting part as mentioned belowly and are connected linear chain.
Front at the front shroud 33 that covers above-mentioned cutting knife plate 32 outsides, form the narrower gathering sill 39 of width, this gathering sill 39 have formed grooving portion on the above-mentioned cutting knife plate 32 and the upper limb that is provided with and with the lower edge that enlarges with respect to the distolateral forward width of this upper limb of this upper limb face-off.The leading section of this gathering sill 39 is provided with the rectangle fenestra 40 of the above-mentioned attraction mouth of the formation 3a that the front-end edge with front shroud 33 that width increases is connected downwards.The rear side inclination edge of the above-mentioned fenestra 40 that is connected with the lower edge of above-mentioned gathering sill 39 is provided with spirality and connects linear chain pushing pawl 4, and this spirality connects linear chain pushing pawl 4 connects inside bend from linear chain suction pipe 3 to spirality.
When such cover plate 33 is installed, below being positioned at the spiral yarn shaped connection linear chain suction pipe 3 of above-mentioned fenestra 40 inboards, be installed with the guide pad 5 of wedge shape.As shown in Figure 3, these guide pad 5 height increase towards front, and have towards the front that tilts.With the inclination edge of the guide pad 5 of above-mentioned fenestra 40 face-offs on form constriction 5a, this constriction 5a is connected position that linear chain pushing pawl 4 stands facing each other by handle to cut into spill and form with above-mentioned spirality.In addition, connect the bottom of linear chain pushing pawl 4 in the spirality that is arranged at the rear side that attracts mouthful 3a, form with above-mentioned guide pad 5 on formed constriction 5a face-off and be the groove shape auxiliary section 4a (with reference to Fig. 1) at the end with the medial surface of above-mentioned lid 33.
As shown in Figure 1, by along the lateral margin of sewing machine table B with back shroud 31 and front shroud 33 is fixing with the slightly vertical mode of the upper surface of this sewing machine table B, and the mode of the face-off of side after a while of the leading section of the needle board claw 22 that the attraction mouth 3a that connects linear chain suction pipe 3 front openings with spirality and above-mentioned needle plate 2 one sides form positions the spirality connection linear chain suction pipe 3 of said structure.On the other hand, by inhaling hose not shown in the figures, the tube connector 30 that will be connected the connection of linear chain suction pipe 3 base end parts with spirality and be provided with links to each other with source of suction, and is under the action effect of this source of suction, air-breathing in spirality connects linear chain suction pipe 3 from above-mentioned attraction mouth 3a.
Fig. 4, Fig. 5, Fig. 6 have the key diagram that overlock machine that above-mentioned spirality connects linear chain suction pipe 3 is made state.Fig. 4 show on needle plate 2, advance make grey cloth W
1The state of sending to.As shown in the figure, carry out like this by overlock machine making of carrying out, promptly it be make one side of grey cloth along the lateral margin of sewing machine table B, on needle plate 2, send to and make grey cloth W
1As object, make grey cloth W what send to along the direction of arrow in the figure
1Go up, in the formation position of above-mentioned needle falling hole 20, by means of as described above pin 1 move up and down and with the advance and retreat action of moving up and down of this pin 1 looper not shown in the figures synchronous, that produced at needle plate 2 above-below directions, one side form the above-mentioned seam mark A that the over-lock stitch of given width is arranged of distance.
At this moment, though spirality connect linear chain suction pipe 3 carry out above-mentioned air-breathing, can opposite joint base cloth W yet
1Going up formed seam mark A has any effect, as shown in Figure 4, and can be along the above-mentioned grey cloth W that makes
1One side form this seam mark A continuously.
Fig. 5 shows opposite joint base cloth W
1Sewing finishing after state.At this moment, owing to do not make grey cloth W on the needle plate 2
1, thereby the spirality that move up and down and the advance and retreat action of looper of above-mentioned pin 1 make needlework 1a constitute with the looper thread obvolvent is connected linear chain 6, as shown in the figure, the needle board claw 22 that is arranged on needle falling hole 20 1 sides is highlightedly formed as support.The spirality connection linear chain 6 that forms is like this extracted from the rear side of the needle board claw 22 of above-mentioned reduced width, is attracted to the inside that spirality connects linear chain suction pipe 3 through the attraction mouth 3a that is opened on this position.
When this attraction is facing toward and the above-mentioned grey cloth W that makes
1When the spirality connection linear chain 6 that trailing edge conjointly forms carried out, this spirality connected linear chain 6 along with making grey cloth W
1Send to and be attracted, and connect the ora terminalis of linear chain pushing pawl 4 and be directed into the top along near the formed spirality above-mentioned attraction mouth 3a, import with gathering sill 39 that this ora terminalis is connected in, but in this gathering sill 39 by means of the action of above-mentioned moving knife 36, as shown in Figure 5, from the above-mentioned grey cloth W that makes
1End cut off, make and stay this and make grey cloth W
1The residue length of terminal ceases to be busy 60 is very short.
On the other hand, cut off the spirality connection linear chain 6 that the back forms in needle board claw 22 places, extract the back from these needle board claw 22 rear sides and connect 3 attractions of linear chain suction pipe by above-mentioned spirality, this attraction is to carry out in the higher position above the needle plate 2 that forms above-mentioned needle board claw 22.Therefore, the spirality that is connected 3 attractions of linear chain suction pipe by spirality connects linear chain 6 as shown in Figure 5, and the spill auxiliary section 4a that is connected linear chain pushing pawl 4 bottoms with spirality cooperates, at the follow-up grey cloth W that makes
2During before the arrival needle falling hole 20, remain on 4a place, this auxiliary section, and do not import the top.Further, at 4a place, above-mentioned auxiliary section, make by spirality and connect the spirality connection linear chain 6 that linear chain suction pipe 3 attracts, the constriction 5a face-off ground that forms with guide pad 5 the inclination edge is cut into spill, be subjected to this constriction 5a effect of contraction and, can be held in illustrated state reliably not from auxiliary section 4a disengaging.
Fig. 6 shows the follow-up grey cloth W that makes
2The state after the beginning made.As shown in the drawing, as the follow-up grey cloth W that makes
2Front end arrive on the needle plate 2 and when being in the state of having sent given length to, connect the spirality that linear chain suction pipe 3 attracts by spirality and connect linear chain 6 along with the above-mentioned follow-up grey cloth W that makes
2Send to and be drawn towards the top, and draw from above-mentioned auxiliary section 4a, the spirality that is connected in 4a top, auxiliary section is connected the ora terminalis of linear chain pushing pawl 4 as leading edge, move to the diagram top, be incorporated into in the top of above-mentioned ora terminalis is formed at gathering sill 39 on the front shroud 33 with being connected, but the action that is produced by above-mentioned moving knife 36 in this gathering sill 39 is cut off.In addition, at this moment the spirality of cutting off connects inside and the discharge that linear chain 6 attracted to spirality connection linear chain suction pipe 3, and at the follow-up grey cloth W that makes
2Leading section, the only subsidiary ceases to be busy that more above-mentioned off-position short size is slightly laterally arranged.
Fig. 7 A, 7B are illustrated in the front view that spirality that spirality under Fig. 5 and the various occasions of Fig. 6 connects linear chain suction pipe 3 inside connects the hold mode of linear chain 6.Fig. 7 A is corresponding to not making grey cloth W on the needle plate 2
2The state of the Fig. 5 that sends to.At this moment, the spirality that forms on the above-mentioned needle board claw 22 connects linear chain 6, be connected the inside cooperation that linear chain pushing pawl 4 bottoms make the auxiliary section 4a of groove with spirality, make its to the disengaging of opposite side be subjected to the constraint of the constriction 5a that makes recess on the above-mentioned guide pad 5, can be kept reliably, can not extracted from auxiliary section 4a.
Fig. 7 B is corresponding to the follow-up grey cloth W that makes
2Be fed to the state of the Fig. 6 on the needle plate 2.At this moment, connect the spirality connection linear chain 6 that linear chain suction pipe 3 attracts and keeps by spirality, by the above-mentioned grey cloth W that makes
2Guiding, 4a extracts from the auxiliary section, the spirality that is connected in this auxiliary section 4a is connected the ora terminalis of linear chain pushing pawl 4 as leading edge, slide upward as shown, importing is connected in the gathering sill 39 on this ora terminalis top, in this gathering sill 39, but by cutting off with dead knife 34 sliding-contacts and the moving knife that moves up and down 36.
In the above-described embodiments, be connected the constriction 5a that linear chain 6 breaks away from from this auxiliary section 4a, on the part of the guide pad 5 that is fixedly arranged on spirality connection linear chain suction pipe 3 leading section inboards, form with above-mentioned auxiliary section 4a face-off and constraint spirality.The effect of above-mentioned guide pad 5 is: in the overlock machine of following structure, make grey cloth W leaving in advance
1One is intersegmental apart from the follow-up grey cloth W that makes in ground
2Make before the beginning, connect linear chain 6 and blow remaining on spirality that spirality connects linear chain suction pipe 3 inside, a part that spirality is connected linear chain 6 is made at the above-mentioned grey cloth W that makes
2Leading section, connect the retainer (not shown) guiding that linear chain 6 disposes to the top of the attraction mouth 3a that connects linear chain suction pipe 3 in the face of spirality blowing the spirality of returning, make this spirality connect linear chain 6 and be blown to the top.In addition another purpose is, utilizes needed guide pad 5 to form constriction 5a, like this, just can not increase special-purpose member and just can prevent that spirality from connecting linear chain 6 and auxiliary section 4a disengaging.
Above-mentioned constriction 5a can also be arranged to other form.Fig. 8 A, 8B are the examples of the another kind of form of expression constriction 5a, in the figure, the bottom surface of spirality connection linear chain suction pipe 3 makes the inclination taper to protecgulum 33, the contiguous above-mentioned spirality in the bottom of this conical surface connects the linear chain pushing formed auxiliary section 4a of pawl 4 downsides and stands facing each other with this auxiliary section 4a, has played the effect as constriction 5a.Adopt this structure, because a part of utilizing spirality to connect linear chain suction pipe 3 bodies forms constriction 5a, thereby, do not need to increase special-purpose member.
Such as mentioned above, the overlock machine of first scheme of the present invention, connect linear chain pushing pawl owing near the attraction mouth of spirality connection linear chain suction pipe, be provided with spirality, make to be formed at and be connected linear chain with this spirality and push the auxiliary section that forms on the part of pawl and match and remain on this auxiliary section in the face of the spirality on the needle board claw of this attraction mouthful connects linear chain, thereby, when making grey cloth and not sending to, can maintain formed spirality connection linear chain on the needle board claw reliably, not be directed to the cutoff tool place that spirality connects linear chain suction pipe inboard.In addition, owing to constituted the leading edge that is connected with above-mentioned auxiliary section, therefore when making grey cloth and send to, can connect linear chain to the spirality of drawing and be directed to the allocation position of cutoff tool and cut-out apace from the auxiliary section, do not need to carry out numerous and diverse processing at the whole story that relic coil shape connects linear chain, can realize stable making expeditiously.
In the overlock machine of alternative plan, one side bending to the inside that connects the attraction mouth of linear chain suction pipe owing to spirality constitutes spirality and connects linear chain pushing pawl, thereby the spirality of utilizing the simple spirality that constitutes in the time of just realizing reliably that making grey cloth does not send to connect the maintenance of linear chain and make grey cloth when sending to connects the linear chain cut-out.
In the overlock machine of third party's case, be provided with constriction owing to be connected the auxiliary section of linear chain pushing pawl with spirality with standing facing each other, the constraint spirality connects the disengaging of linear chain from the auxiliary section.Therefore can keep above-mentioned spirality to connect linear chain more reliably, can realize stable making expeditiously.
In the overlock machine of cubic case, connect linear chain and blow to the top, utilize and be arranged at the part formation constriction that spirality connects near the guide pad the attraction mouth of linear chain suction pipe making spirality that beginning the time blows back, in addition, in the overlock machine of the 5th scheme, spirality is connected an one of linear chain suction pipe to be shaped and to make constriction, therefore, just can realize the constraint of spirality connection linear chain is not needed to increase special-purpose member for this purpose with simple structure.Make the present invention reach optimum efficiency.
Object lesson described in the above embodiment, all the time be the example of enumerating for the ease of understanding technology contents of the present invention, this only is some object lessons, can not be interpreted as to narrow sense limitation of the invention, in the scope that spirit of the present invention and claims are described, also can make various changes.
Claims (5)
1, a kind of overlock machine, it comprises: the spirality that forms on the needle board claw with needle plate one side when making grey cloth and do not send to connects linear chain, and the spirality that attracts through the attraction mouth in the face of above-mentioned needle board claw connects the linear chain suction pipe; Be configured in this spirality connect linear chain suction pipe inside, and the spirality that will be directed to this allocation position connect the cutoff tool that linear chain cuts off;
It is characterized by: be arranged near the above-mentioned attraction mouth, its a part of go up to form above-mentioned spirality is connected that linear chain cooperates and the auxiliary section that keeps, and have and have the spirality that is connected, will draws from this auxiliary section with this auxiliary section and connect the spirality connection linear chain that linear chain directs into the leading edge of above-mentioned cutoff tool allocation position and push pawl along with making sending to of grey cloth.
2, the overlock machine of putting down in writing as claim 1 is characterized in that, above-mentioned spirality connection linear chain pushing pawl constitutes one side of above-mentioned attraction mouth to the inside bend that spirality connects the linear chain suction pipe.
3, as claim 1 or 2 overlock machines of being put down in writing, it is characterized in that, also be provided with face-off ground, above-mentioned auxiliary section is provided with and be used to retrain the constriction that the spirality that cooperates with above-mentioned auxiliary section and keep is connected the linear chain disengaging.
4, the overlock machine of putting down in writing as claim 3, it is characterized in that, the inside that connects the linear chain suction pipe in above-mentioned spirality is provided with guide pad, this guide pad have the spirality that is used for blowing back when making beginning connect linear chain blow to above, with of the inclination of above-mentioned attraction mouth one side as top; On the part of this guide pad, form above-mentioned constriction.
5, the overlock machine of putting down in writing as claim 3 is characterized in that, above-mentioned constriction is to be connected the partial plastic forming of linear chain suction pipe and constituted by above-mentioned spirality.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP104593/1999 | 1999-04-12 | ||
| JP10459399A JP4277292B2 (en) | 1999-04-12 | 1999-04-12 | Overlock sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1270245A CN1270245A (en) | 2000-10-18 |
| CN1129683C true CN1129683C (en) | 2003-12-03 |
Family
ID=14384738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00105827 Expired - Fee Related CN1129683C (en) | 1999-04-12 | 2000-04-12 | Overedger |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4277292B2 (en) |
| CN (1) | CN1129683C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661154B (en) * | 2004-01-28 | 2011-07-27 | 大和缝纫机制造株式会社 | Sewing machine having space thread ring sewing device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276183A (en) * | 2015-05-29 | 2017-01-04 | 天津市藏原地毯有限公司 | A kind of carpet tape edge device |
| CN105113151A (en) * | 2015-09-18 | 2015-12-02 | 玉环奕友电子有限公司 | Trimming device of sewing machine |
| CN106149230B (en) * | 2016-08-31 | 2020-02-07 | 浙江鸿立缝制设备有限公司 | Needle plate of overedger |
| CN111661428A (en) * | 2020-07-03 | 2020-09-15 | 四川意龙科纺集团有限公司 | Packaging method of textile grey cloth |
| CN112899899A (en) * | 2021-02-11 | 2021-06-04 | 汉羽科技(广东)有限公司 | Semi-automatic supplementary sleeve machine that buries |
-
1999
- 1999-04-12 JP JP10459399A patent/JP4277292B2/en not_active Expired - Lifetime
-
2000
- 2000-04-12 CN CN 00105827 patent/CN1129683C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661154B (en) * | 2004-01-28 | 2011-07-27 | 大和缝纫机制造株式会社 | Sewing machine having space thread ring sewing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4277292B2 (en) | 2009-06-10 |
| CN1270245A (en) | 2000-10-18 |
| JP2000288281A (en) | 2000-10-17 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031203 Termination date: 20130412 |