CN101724983B - Serging machine - Google Patents
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- CN101724983B CN101724983B CN 200910205572 CN200910205572A CN101724983B CN 101724983 B CN101724983 B CN 101724983B CN 200910205572 CN200910205572 CN 200910205572 CN 200910205572 A CN200910205572 A CN 200910205572A CN 101724983 B CN101724983 B CN 101724983B
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Abstract
The present invention provides a serging machine which has excellent use convenience for operation, enlarges the operation space in maintenace and can reliably prevent the mis-detection of a photosensor caused by adhereing of foreign matter. In the serging machine, a reflective photosensor (7) is embedded in a worktable (2) of the sewing machine with a mode of right opposing with an upper cloth guiding surface (6a) of a cloth guiding part (4). A reflecting layer (9) is provided at a position of the upper cloth guiding surface (6a) of the cloth guiding part (2), which is opposite to the reflective photosensor (7). A nozzle (11) for injecting air to the reflective photosensor (7) is configured at the upstream side in the cloth feeding direction compared with the configuration position of the reflecting layer (9) of the cloth guiding part (4).
Description
Technical field
The present invention relates to a kind of serging machine, its one side forms the position with cloth automatic transport to the stitching of the severing of trousers, skirt and shirt etc., lockstitches a border and make in cloth edge, an edge.
Background technology
In the situation of making the clothes such as trousers or skirt, lockstitched a border in the edge of each several part master cloth make after with its stitching.The edge of each several part master cloth is the shape with complexity of arc sections or line part.
At present, in above-mentioned serging machine, for being delivered to stitching, the edge part with the main cloth (cloth) of above-mentioned complicated shape forms position (needle downing position), upstream side in the cloth direction of feed of comparing with needle downing position, for example in the front side of presser foot block, the cloth guide portion that install to be used for engage with the cloth end and to guide and so that the mode of close this cloth guide portion in cloth end acts on the functional component (for example, with reference to patent documentation 1) of cloth.
In addition, as existing serging machine, known following apparatus, the front end of the cloth direction of feed of its configuration detection cloth and the optical sensor of rear end, can by the front end of the cloth sent into by the cloth guide portion by light sensors, sewing machine be started, by the rear end by the light sensors cloth, make the sewing machine that is driving stop (for example, with reference to patent documentation 2).
From Fig. 6 to Fig. 8, existing serging machine is described.The sewing machine main body 103 that existing serging machine 101 has the sewing machine table 102 that becomes the operation post of making and lockstitches a border and make.This sewing machine main body 103 is installed in the bight of sewing machine table 102.In addition, as sewing machine main body 103, use overedger.
Upper surface at aforementioned sewing machine table 102, cloth guide portion 104 and pressing component M are installed, aforementioned cloth guide portion 104 is used for the place ahead (upstream side of cloth direction of feed) of the needle downing position P (Fig. 8) below the suture needle N that the needle bar 107 that is arranged at by sewing machine main body 2 supports, the end of guiding cloth C (Fig. 7), aforementioned pressing component M presses from the top of cloth C, C applies rotation torque to cloth, so that the end of cloth C engages with the guide surface 105a of cloth guide portion 104.
Aforementioned cloth guide portion 104 has: pad 105, and it has the thickness suitable with fabric thickness, has the cloth end guide surface 105a with the bending of the cloth ora terminalis butt of cloth C; And guided plate 106, it disposes in the mode that the upper surface at this pad 105 stretches out peripheral part on one side, is installed on the upper surface of sewing machine table 102 with pad 105.In addition, the lower surface of comparing the extension that stretches out laterally with cloth end guide surface 105a of guided plate 106 becomes guide surface 106a on the cloth with the upper surface butt of the cloth end edge portion of cloth C.In addition, the peripheral part of guide surface 106a on the cloth, mode away from the upper surface of sewing machine table 102, form with being upturned, thereby the cloth edge that makes cloth C is inserted into the below of cloth guide portion 104 easily, that is among the guide space G that, is surrounded by guide surface 106a on the upper surface of sewing machine table 102, cloth end guide surface 105a, the cloth (Fig. 7).
Side at aforementioned sewing machine main body 103, above the needle plate 111 of the sewing machine main body 103 of comparing the upstream side that is positioned at cloth direction of feed E with needle downing position P, configuration is as the reflection type optical transducer 112 of optical sensor, and it detects front end and the rear end of the cloth direction of feed E of cloth C.And, as shown in Figure 8, with this reflection type optical transducer 112 over against the surface of needle plate 111, paste the zone of reflections 113 as the reflector.That is, reflection type optical transducer 112 disposes in the mode adjacent from the top with the cloth feeding path of cloth C, and being formed by the mode of the light path of cloth C blocking reflected type optical sensor 112.
In addition, as optical sensor, the structure of using the light-transmission type optical sensor is arranged also.In this case, light projector is configured in the top, and light-receiving device is configured on the needle plate surface.
In addition, above 107 the needle plate 111 from reflection type optical transducer 112 to needle bar, configuration cloth shut-off mechanism (not shown), it has for the cloth cut-out cutting knife 108 (Fig. 8) that cuts off the cloth end, simultaneously, around the needle downing position P of needle plate 111, configuration has the cloth feeding mechanism (not shown) for delivery of the feeding tooth of cloth C.
According to the existing serging machine 101 that is consisted of by this structure, load the cloth end of the cloth C on sewing machine table 102 upper surfaces by being guided by pressing component M and cloth guide portion 104, and the edge part of cloth C correctly is delivered to needle downing position P.And, according to the front end that is detected the cloth direction of feed E of cloth C by reflection type optical transducer 112, namely, return after by the zone of reflections 113 reflections and the reverberation Lb that forms becomes detection signal when not being subjected to light state, for example " Low " from the irradiation light La of reflection type optical transducer 112 emission, sewing machine is started, according to the rear end that is detected cloth C by reflection type optical transducer 112, detection signal when namely receiving the reverberation Lb from the zone of reflections 113, for example " High " stops the sewing machine that is driving.Certainly, the operation of the cloth C before sewing machine starts is manually carried out by the operator.In addition, the startup of sewing machine and stop to be accepted to carry out from the signal of optical sensor by the sewing machine control part, aforementioned sewing machine control part carries out the action control of not shown movable part, and has the CPU that works as operational part and the memory that works as storage part.
Patent documentation 1: practical new No. 2568186 communique of case of Japan's login
Patent documentation 2: the JP 7-71593 of Japan communique
Summary of the invention
But, in existing serging machine 101, have the relatively poor problem points of operator's ease of use.
For example, in existing serging machine 101, such as Fig. 6 and shown in Figure 8, there is the following problems point, namely, because near configuration reflection type optical transducer 112 suture needle N, so it is narrow and small to carry out that suture is passed the threading operation of suture needle N or suture needle N and the cloth working space when cutting off upkeep operations such as replacing with cutting knife 108.Especially, suture is passed in the situation of suture needle N because sewing machine main body 103 is locking sewing machines, so need to from cloth direction of feed upstream side downstream side make suture pass the pin hole of suture needle N, thereby make the remarkable variation of workability.
In addition, in existing serging machine 101, there is the following problems point, namely, as shown in Figure 8, because cut off with configuration reflection type optical transducer 112 or the zone of reflections 113 near the cutting knife 108 at cloth, so foreign matters such as the cloth suede of the smear metal that produces when existing cloth to cut off the cloth end that cuts off cloth C with cutting knife 108 etc. or dust, be attached on reflection type optical transducer 112 or the zone of reflections 113, and make reflection type optical transducer 112 carry out the situation of error detection.
The present invention proposes in view of this point, and purpose is to provide a kind of operator serging machine easy to use, and it increases the working space when carrying out upkeep operation, can prevent from reliably adhering to because of foreign matter the error detection of the optical sensor that causes.
In order to realize aforementioned purpose, the serging machine of the present invention that technical scheme 1 relates to is characterised in that to have: sewing machine table; Sewing machine main body, it is installed on the aforementioned sewing machine table, cloth is lockstitched a border make; The cloth guide portion, it will be in order to load the needle downing position guiding in the cloth of the upper surface of aforementioned sewing machine table to aforementioned sewing machine main body, and be installed on the aforementioned sewing machine table, have with the cloth end guide surface of the cloth ora terminalis butt of cloth, and and the cloth of the upper surface butt of the cloth end edge portion of cloth on guide surface; And optical sensor, it is configured in the upstream side of the cloth direction of feed of comparing with needle downing position, detect front end and the rear end of the cloth direction of feed of cloth, this serging machine constitutes, detection signal according to aforementioned light sensors during to the cloth direction of feed front end of cloth, sewing machine is started, detection signal during according to the cloth direction of feed rear end that detects cloth, the sewing machine that is driving is stopped, it is characterized in that, aforementioned optical sensor is the reflection type optical transducer, it is embedded on the aforementioned sewing machine table, with guide surface on the aforementioned cloth over against, on aforementioned cloth guide surface with aforementioned reflection type optical transducer over against the position, be provided for reflecting the reflection of light layer from aforementioned reflection type optical transducer, at the upstream side of the cloth direction of feed of comparing with the allocation position in the aforementioned reflector of aforementioned cloth guide portion, configuration is used for the nozzle to aforementioned reflection type optical transducer injection air.
And, by adopting this structure, because the reflection type optical transducer is embedded on the sewing machine table, the reflector is configured on the cloth on the guide surface, also can not dispose optical sensor so cut off at the suture needle of sewing machine main body or cloth near cutting off with cutting knife with cutting knife and cloth.Its result, when carrying out suture penetrated the threading operation of suture needle or suture needle and cloth and cut off upkeep operation with the replacing of cutting knife etc., optical sensor can not become obstruction.Thus, can increase the required working space of upkeep operation, and improve the identity of sewing position.On the other hand, the reflection type optical transducer is being embedded on the sewing machine table, and the reflector is arranged in the situation of cloth guide portion, retain foreign matter in the narrow space between sewing machine table and cloth guide portion easily, and make the reflection type optical transducer produce misoperation.But, in serging machine of the present invention, because be used for nozzle to reflection type optical transducer injection air in the upstream side configuration of the cloth direction of feed of comparing with the allocation position in the reflector of cloth guide portion, so, can pass through from the nozzle ejection air, the foreign matter of the cloth suede of the smear metal that will produce when cloth cuts off with cutting knife cut-out cloth etc. or dust etc. dispels to cloth direction of feed downstream, prevents that this foreign matter from entering between reflection type optical transducer and the reflector.In addition, utilize the air from nozzle ejection, the cloth guide portion is not pulled down, namely can carry out the cleaning of reflection type optical transducer.Its result even the reflection type optical transducer is embedded on the sewing machine table, and is arranged on the reflector in the situation of cloth guide portion, can prevent that also foreign matter is attached on the reflection type optical transducer and carries out misoperation.In addition, because flow to the downstream of cloth direction of feed from the air of nozzle ejection, so pass through flowing of this air, can insert the cloth of cloth guide portion to the downstream pretension of cloth direction of feed.Its result, initial stage when after cloth is inserted the cloth guide portion, carrying to needle downing position, become auxiliary because can make from the air of nozzle ejection, even so because the frictional force of sewing machine table and cloth produces the thin and frangible cloth of deflection or fold easily, also can successfully slide at sewing machine table.That is, can prevent the initial stage when cloth is carried to needle downing position, because the frictional force of sewing machine table and cloth produces deflection or fold at cloth.
In addition, the serging machine of the present invention that technical scheme 2 relates to is characterised in that, in technical scheme 1, and the allocation position in the aforementioned reflector of aforementioned cloth guide portion, be the hyalomere that the light through-thickness sees through, aforementioned reflector is arranged on upper surface or the inside of aforementioned hyalomere.And, by adopting this structure, can when carrying cloth to needle downing position, reliably and easily prevent the movement of reflector interference cloth.
The effect of invention
According to the serging machine that the present invention relates to, because can increase the working space when carrying out upkeep operation, prevent from reliably adhering to because of foreign matter the error detection of the optical sensor that causes, can be easily and improve reliably the excellent results of operator's ease of use etc. so play.
Description of drawings
Fig. 1 is the diagrammatic top view of wanting section of the execution mode of the serging machine that the present invention relates to of expression.
Fig. 2 is the amplification profile along the A-A line of Fig. 1.
Fig. 3 is the amplification profile along the B-B line of Fig. 1.
Fig. 4 is the key diagram of other example of the allocation position in the reflector in the execution mode of the serging machine that the present invention relates to of expression.
Fig. 5 is the key diagram of other example of the allocation position in the reflector in the execution mode of the serging machine that the present invention relates to of expression.
Fig. 6 is the outward appearance oblique view of wanting section of an example of the existing serging machine of expression.
Fig. 7 is the cloth guide portion of Fig. 6 is observed in expression from cloth direction of feed upstream side the amplification profile of wanting section.
Fig. 8 is the end view of Fig. 6.
Embodiment
Below, the execution mode explanation the present invention shown in reference to the accompanying drawings.
As shown in Figure 1, the serging machine 1 of present embodiment has the main body 3 that becomes the sewing machine table 2 of making operation post and lockstitch a border and make.This sewing machine main body 3 is installed in the bight of sewing machine table 2.In addition, as sewing machine main body 3, use overedger.
As shown in Figure 1 to Figure 3, upper surface at sewing machine table 2, upstream side (front side) at the cloth direction of feed E that compares with the suture needle N of sewing machine main body 3 is installed cloth guide portion 4, it is used for guiding, with the end that position (needle downing position) P supplies with cloth C (Fig. 2) that moves up and down to suture needle N.
Aforementioned cloth guide portion 4 has: pad 5, and it has the thickness suitable with fabric thickness (highly), has cloth end guide surface (inner face) 5a with the bending of the ora terminalis butt of cloth C; And guided plate 6, its upper surface at this pad 5 disposes to the mode of stretching out with peripheral part on one side, is arranged on the upper surface of sewing machine table 2 with pad 5.
The front end of the cloth direction of feed E of cloth guide surface 5a is positioned at following position, that is, the cloth feed-paths with respect to by aforementioned needle downing position P departs from predetermined distance, namely makes the suitable distance of width with lock seaming to sewing machine main body 3 sides (Fig. 1 right side).
In addition, the lower surface of comparing the part of stretching out laterally with cloth guide surface 5a in the guided plate 6 becomes guide surface 6a on the cloth with the upper surface butt of the cloth end edge portion of cloth C.In addition, the peripheral part of guide surface 6a on the cloth, with from the upper surface of sewing machine table 2 away from mode, form with being upturned, thereby easily the cloth edge of cloth C is inserted the below of cloth guide portion 4, that is among the guide space G that, is surrounded by guide surface 6a on the upper surface of sewing machine table 2 and cloth end guide surface 5a, the cloth (Fig. 2).
Pressing component M is set, and it at the upstream side of cloth direction of feed E, across aforementioned cloth feed-paths, is configured in the opposite side of cloth end guide surface 5a with respect to aforementioned needle downing position P, presses cloth C from the top, and C applies rotating torques to cloth.
As aforementioned guided plate 6, in order easily intuitively to recognize the insertion state of cloth C, preferably formed by transparent resin.
Upstream side at the cloth direction of feed E that compares with the needle downing position P of aforementioned sewing machine table 2, with with cloth on guide surface 6a over against mode, bury the reflection type optical transducer 7 as optical sensor underground, it detects front end and the rear end of the cloth direction of feed E of cloth C.This reflection type optical transducer 7 screws togather from below and sewing machine table 2, simultaneously, so that the upper surface of the front end face 7a of reflection type optical transducer 7 and sewing machine table 2 becomes the mode on same plane, by mounting nuts 8 location.
Shown in Fig. 2 and Fig. 3 amplify, on aforementioned cloth guide surface 6a with reflection type optical transducer 7 over against the position, paste and be used for reflection from the zone of reflections 9 as the reflector of the light of reflection type optical transducer 7.This zone of reflections 9, in order not peel off and do not hinder the movement of cloth C because of cloth C, guide surface 6a becomes same plane or a certain amount of mode that caves in disposes on preferred so that its surface and the cloth.
In addition, utilizing transparent resin to form in the situation of guided plate 6, as shown in Figure 4, can will consist of as the inside that the metallic plate 10 that works in the reflector is imbedded guided plate 6 by insert molding etc.In addition, as shown in Figure 5, also can paste the zone of reflections 9 that works as the reflector or metal forming and consist of at the upper surface of guided plate 6.In addition, also can at the upper surface of guided plate 6, be provided as the metal film that works in the reflector by coating etc. and consist of.
That is, as long as make the allocation position in the reflector of cloth guide portion 4 become the hyalomere that the light through-thickness is passed, the reflector is arranged on upper surface or inner the getting final product of hyalomere.
In addition, as optical sensor, can use the light-transmission type optical sensor.In this case, preferably replace the zone of reflections 9, the light-receiving device that the short transverse size is less is installed on the upper surface of guided plate 6.
In addition, as cloth guide portion 4, also can be the device that forms pad 5 and guided plate 6.
In addition, reflection type optical transducer 7 is connected with the sewing machine control part, this sewing machine control part carries out the action control of the movable part of not shown sewing machine main body 3, have the CPU that works as operational part and the memory that works as storage part, can be reflected according to the irradiation light La from reflection type optical transducer 7 emission the detection signal when returning the reverberation Lb that forms after 9 reflections and be not subjected to the state of light, for example, by accepting " Low " signals from reflection type optical transducer 7, and sewing machine is started.In addition, according to the rear end that is detected cloth C by reflection type optical transducer 7, namely, be subjected to the detection signal of light time from the reverberation Lb of the zone of reflections 9, for example, by accepting " High " signal, can be in process after predefined time of delay, or finish the making after the action of regulation pin number, the sewing machine that is driving is stopped, to finish allocation position the making to the suitable distance of the distance of needle downing position P position with reflection type optical transducer 7.
Such as Fig. 1 and shown in Figure 3, at the upstream side of the cloth direction of feed E that compares with the allocation position of the zone of reflections 9 of cloth guide portion 4, install that to be used for to reflection type optical transducer 7 injection airs be compressed-air actuated nozzle 11.The central portion of the upper surface of this nozzle 11 forms to install use screwed hole 11a, this screwed hole 11a and be installed in be used to the joint on the end of supplying with compressed-air actuated wireway and screw togather (all not shown).In addition, the lower surface of nozzle 11 with cloth on guide surface 6 become same plane or a certain amount of mode that caves in disposes.In addition, on the bottom of installing with screwed hole 11a, for to reflection type optical transducer 7 injection airs, connect the end for the stream 11b of the injection direction J injection air shown in the arrow below oblique to the left side of Fig. 3, the other end of this stream 11b is connected with the lower surface of nozzle 11.Here, as the injection direction J of air, as long as parallel with cloth direction of feed E, get final product towards the downstream of cloth direction of feed E.
In addition, the number that can make nozzle 11 is a plurality of, a plurality of nozzles 11 are disposed abreast along cloth direction of feed E, or along the direction configuration with respect to cloth direction of feed E quadrature, or this both direction of direction of and quadrature parallel along cloth direction of feed E is with rectangular configuration.
In addition, utilize the electromagnetically operated valve that is connected with the other end of wireway, when the power connection of serging machine 1, always supply with compressed air to nozzle 11.
For other structure, because similarly form with existing serging machine 101, so omit for its detailed explanation.
Below, describe for the effect of the present embodiment that is consisted of by aforementioned structure.
The cloth C that the serging machine 1 of present embodiment carries out makes, and at first, the operator is by manually inserting the cloth end of cloth C among the guide space G of cloth guide portion 4.At this moment, at the cloth ora terminalis of cloth C temporarily with before the cloth end guide surface 5a of cloth guide portion 4 contacts, in order not make the light path of cloth C blocking reflected type optical sensor 7, key is to make the cloth direction of feed upstream side of front end between the zone of reflections 7 and nozzle 11 of the cloth direction of feed E of cloth C.In addition, spray compressed air from nozzle 11.
Then, under the cloth end with cloth C is inserted into state among the guide space G of cloth guide portion 4, and under the compressed-air actuated auxiliary state that is subject to from nozzle 11, so that the front end of cloth C towards the mode of needle downing position P, makes cloth C slide at the upper surface of sewing machine table 2.And if the front end of cloth C arrives the allocation position of reflection type optical transducer 7, then the light path of reflection type optical transducer 7 is stopped by cloth C, makes 7 actions of reflection type optical transducer, starts sewing machine according to its detection signal.
Then, if further make cloth C slide and send at the upper surface of sewing machine table 2, then cloth C utilizes the feeding tooth of cloth feeding mechanism and not shown cloth pressing automatically to carry out the cloth feeding, begins to make.
Then, if the allocation position of reflection type optical transducer 7 is crossed in the rear end of cloth C, then the light path of reflection type optical transducer 7 is opened, 7 actions of reflection type optical transducer, after passing through predefined time of delay, or finishing the making after the action of regulation pin number, the sewing machine that stops to drive is to finish and allocation position making to the suitable distance of the distance of needle downing position P from reflection type optical transducer 7.
Thus, serging machine 1 according to present embodiment, can utilize the reflection type optical transducer 7 that is embedded in the sewing machine table 2 and be embedded in the zone of reflections 9 as the reflector on the guide surface 6a on the cloth, detect reliably front end and the rear end of the cloth direction of feed E of cloth C.
In addition, serging machine 1 according to present embodiment, because will be embedded in as the reflection type optical transducer 7 of optical sensor on the sewing machine table 2, to be configured in as the zone of reflections 9 in reflector on the cloth on the guide surface 6a, so near the suture needle N of sewing machine main body 3, can not dispose reflection type optical transducer 7.Its result makes suture pass the threading operation of suture needle or suture needle and cloth when cutting off upkeep operations such as replacing with cutting knife, and reflection type optical transducer 7 can not become obstruction.Thus, can increase the required working space of upkeep operation, improve simultaneously the identity of sewing position.
In addition, serging machine 1 according to present embodiment, because upstream side allocation position, cloth direction of feed E as the zone of reflections 9 in reflector in cloth guide portion 4, configuration is used for the nozzle 11 to reflection type optical transducer 7 injection airs, so by from nozzle 11 injection airs, the foreign matter of the cloth suede such as the smear metal that can produce when cloth cuts off with cutting knife cut-out cloth or dust etc. dispels to cloth direction of feed downstream.In addition, utilize the air that sprays from nozzle 11, cloth guide portion 4 is not pulled down, just can be reliably and easily clean reflection type optical transducer 7, specifically, cleaning is used for emission irradiation light La and accepts the front end face 7a of reverberation Lb.Its result, even because reflection type optical transducer 7 is embedded on the sewing machine table 2, the zone of reflections 9 is arranged in the situation on the cloth guide portion 4, the front end face 7a that also can prevent at reflection type optical transducer 7 adheres to foreign matter and carries out error detection (misoperation), thus can realize with reflection type optical transducer 7 be configured on the sewing machine table 2, namely from the below towards the position in cloth feeding path.
In addition, serging machine 1 according to present embodiment, because the air that sprays from nozzle 11 flows to the downstream of cloth direction of feed E, so can utilize this Air Flow, will be inserted into cloth C in the cloth guide portion 4 to the downstream pretension of cloth direction of feed E.Its result, after being inserted into cloth C in the cloth guide portion 4, initial stage when it is carried to needle downing position P, because can be with the air that sprays from nozzle 11 as assisting, even so because sewing machine table 2 and the frictional force of cloth C produce the thin and frangible cloth C of deflection or fold easily, it is successfully slided on sewing machine table 2.That is, at the initial stage when cloth is carried to needle downing position, can prevent from cloth C deflection or fold occuring because of the frictional force of sewing machine table 2 and cloth C.
Therefore, serging machine 1 according to present embodiment, because the working space when carrying out upkeep operation is increased, prevent reliably because foreign matter adheres to the error detection as the reflection type optical transducer 7 of optical sensor that causes, so can be easily and improve reliably operator's ease of use.
In addition, serging machine 1 according to present embodiment, because utilize transparent resin to form the guided plate 6 of cloth guide portion 4, so the metallic plate 10 that works as the reflector can be imbedded the inside of guided plate 6 by insert molding etc., or paste the zone of reflections 9 or the metal forming that works as the reflector at the upper surface of guided plate 6.That is, can make the allocation position in the reflector of cloth guide portion 4, become the hyalomere that the light through-thickness is seen through, the reflector is arranged on upper surface or the inside of hyalomere.And, by adopting this structure, because can when carrying cloth C to needle downing position P, reliably and easily prevent the movement of reflector interference cloth C, so can more successfully carry out the movement of cloth C.
In addition, serging machine 1 according to present embodiment, because the light path of reflection type optical transducer 7 is set in guide space G, as the reflection type optical transducer 7 of optical sensor 7 and roughly the same as the thickness of the optical path distance between the zone of reflections 9 in reflector and cloth C, so can make optical path distance and the existing weak point of comparing, for example can be about 1/10.Its result can improve accuracy of detection and the response of reflection type optical transducer 7, and makes the adjustment of transducer sensitivity simple, in addition, because can be because of the light path of operator's blocking reflected type optical sensors 7 such as hand, so help the raising of fail safe.
In addition, the present invention is not limited to aforementioned embodiments, can carry out as required numerous variations.
Claims (2)
1. serging machine, it has:
Sewing machine table;
Sewing machine main body, it is installed on the aforementioned sewing machine table, cloth is lockstitched a border make;
The cloth guide portion, it will be in order to load the needle downing position guiding in the cloth of the upper surface of aforementioned sewing machine table to aforementioned sewing machine main body, and be installed on the aforementioned sewing machine table, have with the cloth end guide surface of the cloth ora terminalis butt of cloth, and and the cloth of the upper surface butt of the cloth end edge portion of cloth on guide surface; And
Optical sensor, it is configured in the upstream side of the cloth direction of feed of comparing with needle downing position, detects front end and the rear end of the cloth direction of feed of cloth,
This serging machine constitutes, and the detection signal according to aforementioned light sensors during to the cloth direction of feed front end of cloth starts sewing machine, and the detection signal during according to the cloth direction of feed rear end that detects cloth stops the sewing machine that is driving,
It is characterized in that,
Aforementioned optical sensor is the reflection type optical transducer, and it is embedded on the aforementioned sewing machine table, with guide surface on the aforementioned cloth over against,
On aforementioned cloth guide surface with aforementioned reflection type optical transducer over against the position, be provided for reflecting the reflection of light layer from aforementioned reflection type optical transducer,
At the upstream side of the cloth direction of feed of comparing with the allocation position in the aforementioned reflector of aforementioned cloth guide portion, configuration is used for the nozzle to aforementioned reflection type optical transducer injection air.
2. such as the serging machine of claim 1 record, it is characterized in that,
The allocation position in the aforementioned reflector of aforementioned cloth guide portion is the hyalomere that light is seen through along the thickness direction of aforementioned cloth guide portion, and aforementioned reflector is arranged on upper surface or the inside of aforementioned hyalomere.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-267328 | 2008-10-16 | ||
| JP2008267328A JP2010094272A (en) | 2008-10-16 | 2008-10-16 | Surging sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101724983A CN101724983A (en) | 2010-06-09 |
| CN101724983B true CN101724983B (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910205572 Active CN101724983B (en) | 2008-10-16 | 2009-10-16 | Serging machine |
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| JP (1) | JP2010094272A (en) |
| CN (1) | CN101724983B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908398B (en) * | 2016-06-29 | 2019-05-31 | 广东溢达纺织有限公司 | Automatic control bind in sewing machine and automatic control |
| JP2019017787A (en) * | 2017-07-19 | 2019-02-07 | Juki株式会社 | sewing machine |
| CN108004683B (en) * | 2017-11-20 | 2020-08-07 | 浙江众邦机电科技有限公司 | Material position detection device and material opposite side system and sewing machine comprising same |
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| CN1904181A (en) * | 2005-07-27 | 2007-01-31 | 兄弟工业株式会社 | Keyhole sartorius |
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| JPS52147139A (en) * | 1976-05-31 | 1977-12-07 | Tokyo Juki Industrial Co Ltd | Machine |
| JPS6058678B2 (en) * | 1980-04-10 | 1985-12-20 | アイシン精機株式会社 | Edge sewing device in sewing machine |
| JPH0560479U (en) * | 1992-01-18 | 1993-08-10 | 株式会社友縫機械 | Vertical autosurger |
| JP2568186Y2 (en) * | 1992-12-25 | 1998-04-08 | ペガサスミシン製造株式会社 | Fabric Guide for Surging Sewing Machine |
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| CN1043169A (en) * | 1988-11-30 | 1990-06-20 | 曼飞那股份有限公司 | The Sewing machines of Zig-zag |
| CN1904181A (en) * | 2005-07-27 | 2007-01-31 | 兄弟工业株式会社 | Keyhole sartorius |
Non-Patent Citations (2)
| Title |
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| JP特开2001-300164A 2001.10.30 |
| JP特开2007-061417A 2007.03.15 |
Also Published As
| Publication number | Publication date |
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| JP2010094272A (en) | 2010-04-30 |
| CN101724983A (en) | 2010-06-09 |
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