CN101724983A - Serging machine - Google Patents
Serging machine Download PDFInfo
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- CN101724983A CN101724983A CN200910205572A CN200910205572A CN101724983A CN 101724983 A CN101724983 A CN 101724983A CN 200910205572 A CN200910205572 A CN 200910205572A CN 200910205572 A CN200910205572 A CN 200910205572A CN 101724983 A CN101724983 A CN 101724983A
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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
Under the situation of making 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 feet piece, installation is used for engaging with the cloth end and the cloth guide portion of channeling conduct and so that the cloth end acts on the functional component (for example, with reference to patent documentation 1) of cloth near the mode of this cloth guide portion.
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 Sewing machines be started, by rear end by the front end of the cloth sent into by the cloth guide portion by light sensors by the light sensors cloth, make the Sewing machines 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 overlock machine.
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 pushes 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 surrounds 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 sensor 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 sensor 112 over against the surface of needle plate 111, paste the zone of reflections 113 as the reflecting layer.That is, reflection type optical sensor 112 disposes in the mode adjacent from the top with the cloth feeding path of cloth C, and forming 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 needle plate 111 from reflection type optical sensor 112 to needle bar, configuration cloth shut-off mechanism (not shown), it has the cloth cut-out cutting knife 108 (Fig. 8) that is used to cut off the cloth end, simultaneously, around the needle downing position P of needle plate 111, configuration has the cloth feed mechanism (not shown) of the feeding tooth that is used to carry cloth C.
According to the existing serging machine 101 that constitutes by this structure,, and the edge part of cloth C correctly is delivered to needle downing position P by cloth end by pressing component M and the cloth guide portion 104 cloth C of guiding mounting on sewing machine table 102 upper surfaces.And, according to the front end that detects the cloth direction of feed E of cloth C by reflection type optical sensor 112, promptly, 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 irradiates light La of reflection type optical sensor 112 emission, Sewing machines is started, according to the rear end that detects cloth C by reflection type optical sensor 112, detection signal when promptly receiving the reverberation Lb from the zone of reflections 113, for example " High " stops the Sewing machines that is driving.Certainly, the operation of the cloth C before Sewing machines starts is manually carried out by the operator.In addition, the startup of Sewing machines and stop to accept to carry out from the signal of optical sensor by the Sewing machines control part, aforementioned Sewing machines control part carries out the action control of not shown movable part, and has 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 special fair 7-71593 communique of Japan
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, as Fig. 6 and shown in Figure 8, there is the following problems point, promptly, because near configuration reflection type optical sensor 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 under the situation of suture needle N because sewing machine main body 103 is locking Sewing machiness, so need 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 operation.
In addition, in existing serging machine 101, there is the following problems point, promptly, as shown in Figure 8, because cut off with the configuration reflection type optical sensor 112 or the zone of reflections 113 near the cutting knife 108, so foreign matters such as the cloth suede of the smear metal that produces when existing cloth to cut off cloth end with cutting knife 108 cut-out cloth C etc. or dust at cloth, on the reflection type optical sensor 112 or the zone of reflections 113, and make reflection type optical sensor 112 carry out the situation that flase drop is surveyed.
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 to adhere to because of foreign matter the flase drop survey of the optical sensor that causes reliably.
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 is in order to guide the cloth of mounting in the upper surface of aforementioned sewing machine table to the needle downing position of 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 the front end and the rear end of the cloth direction of feed of cloth, this serging machine constitutes, detection signal according to the aforementioned lights sensor during to the cloth direction of feed front end of cloth, Sewing machines is started, detection signal during according to the cloth direction of feed rear end that detects cloth, the Sewing machines that is driving is stopped, it is characterized in that, the aforementioned lights sensor is the reflection type optical sensor, 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 sensor over against the position, be provided for reflecting the reflection of light layer from aforementioned reflection type optical sensor, at the upstream side of the cloth direction of feed of comparing with the allocation position in the aforementioned reflecting layer of aforementioned cloth guide portion, configuration is used for the nozzle to aforementioned reflection type optical sensor injection air.
And, by adopting this structure, because the reflection type optical sensor is embedded on the sewing machine table, the reflecting layer 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 sensor is being embedded on the sewing machine table, and the reflecting layer is arranged under 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 sensor produce misoperation.But, in serging machine of the present invention, because be used for nozzle to reflection type optical sensor injection air in the upstream side configuration of the cloth direction of feed of comparing with the allocation position in the reflecting layer 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 sensor and the reflecting layer.In addition, utilize air, the cloth guide portion is not pulled down, promptly can carry out the cleaning of reflection type optical sensor from nozzle ejection.Its result even the reflection type optical sensor is embedded on the sewing machine table, and is arranged on the reflecting layer under the situation of cloth guide portion, can prevent that also foreign matter is attached on the reflection type optical sensor and carry out misoperation.In addition, because flow to the downstream of cloth direction of feed,, can insert the cloth of cloth guide portion to the downstream of cloth direction of feed pretension so pass through flowing of this air from the air of nozzle ejection.Its result, initial stage after cloth is inserted the cloth guide portion when needle downing position is carried, become auxiliary because can make from the air of nozzle ejection, even so, also can successfully on sewing machine table, slide because of the frictional force of sewing machine table and cloth is easy to generate the easy broken cloth of approaching of deflection or fold.That is, can prevent with the initial stage of cloth when needle downing position is carried, because of the frictional force of sewing machine table and cloth produces deflection or fold on 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 reflecting layer of aforementioned cloth guide portion, be the hyalomere that light sees through along thickness direction, aforementioned reflecting layer is arranged on the upper surface or the inside of aforementioned hyalomere.And,, can reliably and easily prevent moving of reflecting layer interference cloth when needle downing position is carried cloth by adopting this structure.
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 that reliably the flase drop that adheres to the optical sensor that causes because of foreign matter from surveying, can be easily and improve the excellent results of operator's ease of use etc. reliably so play.
Description of drawings
Fig. 1 is the diagrammatic top view of wanting portion of the embodiment 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 reflecting layer in the embodiment 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 reflecting layer in the embodiment of the serging machine that the present invention relates to of expression.
Fig. 6 is the outward appearance oblique view of wanting portion 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 a amplification profile of wanting portion.
Fig. 8 is the side view of Fig. 6.
The specific embodiment
Below, the embodiment 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 overlock machine.
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 channeling conduct, 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, with respect to the cloth feeding route by aforementioned needle downing position P, depart from predetermined distance, promptly make 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 surrounds 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 feeding route, is configured in the opposite side of cloth end guide surface 5a with respect to aforementioned needle downing position P, pushes cloth C from the top, and C applies rotating torques to cloth.
As aforementioned guided plate 6,, preferably form by transparent resin in order easily intuitively to recognize the insertion state of cloth C.
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 sensor 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 sensor 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 sensor 7 and sewing machine table 2 becomes the mode on same plane, by nut 8 location are installed.
Shown in Fig. 2 and Fig. 3 amplify, on aforementioned cloth guide surface 6a with reflection type optical sensor 7 over against the position, paste the zone of reflections 9 that is used to reflect from the light of reflection type optical sensor 7 as the reflecting layer.This zone of reflections 9, in order not peel off and do not hinder moving 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 under the situation of guided plate 6, as shown in Figure 4, can will constitute as the inside that the metallic plate 10 that works in the reflecting layer is imbedded guided plate 6 by embedding moulding etc.In addition, as shown in Figure 5, also can paste the zone of reflections 9 that works as the reflecting layer or metal forming and constitute at the upper surface of guided plate 6.In addition, also can be provided as the metal film that works in the reflecting layer by coating etc. and constitute at the upper surface of guided plate 6.
That is,, the reflecting layer is arranged on the upper surface or inner the getting final product of hyalomere as long as make the allocation position in the reflecting layer of cloth guide portion 4 become the hyalomere that light is passed along thickness direction.
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 sensor 7 is connected with the Sewing machines control part, this Sewing machines control part carries out the action control of the movable part of not shown sewing machine main body 3, have CPU that works as operational part and the memory that works as storage part, detection signal when returning the reverberation Lb that forms after 9 reflections and be not subjected to the state of light can be reflected according to the irradiates light La from reflection type optical sensor 7 emission, for example, by accepting " Low " signals, and Sewing machines is started from reflection type optical sensor 7.In addition, according to the rear end that detects cloth C by reflection type optical sensor 7, promptly, 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 after predefined time delay in process, or finish the making after the action of regulation pin number, the Sewing machines that is driving is stopped, to finish allocation position the making with reflection type optical sensor 7 to the suitable distance of the distance of needle downing position P position.
As Fig. 1 and shown in Figure 3,, install that to be used for to reflection type optical sensor 7 injection airs be compressed-air actuated nozzle 11 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.The central portion of the upper surface of this nozzle 11 forms to install use screwed hole 11a, and the joint that this screwed hole 11a and being installed in is used to supply with on the end of compressed-air actuated wireway screws 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 sensor 7 injection airs, connect the end of the stream 11b of the injection direction J injection air shown in the arrow that is used for below the left side of Fig. 3 is oblique, the other end of this stream 11b is connected with the lower surface of nozzle 11.Here, as the injection direction J of air,, get final product towards the downstream of cloth direction of feed E as long as parallel with 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 electromagnetic 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, so omit for its detailed explanation with existing serging machine 101.
Below, describe for the effect of the present embodiment that constitutes 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 subjected to from nozzle 11, so that the front end of cloth C towards the mode of needle downing position P, makes cloth C slide on the upper surface of sewing machine table 2.And if the front end of cloth C arrives the allocation position of reflection type optical sensor 7, then the light path of reflection type optical sensor 7 is stopped by cloth C, makes 7 actions of reflection type optical sensor, starts Sewing machines according to its detection signal.
Then, send into if cloth C is slided on the upper surface of sewing machine table 2, then cloth C utilizes the feeding tooth of cloth feed 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 sensor 7 is crossed in the rear end of cloth C, then the light path of reflection type optical sensor 7 is opened, 7 actions of reflection type optical sensor, after passing through predefined time delay, or finishing the making after the action of regulation pin number, the Sewing machines 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 sensor 7.
Thus, serging machine 1 according to present embodiment, can utilize the reflection type optical sensor 7 that is embedded in the sewing machine table 2 and be embedded in the zone of reflections 9 on the guide surface 6a on the cloth, detect front end and the rear end of the cloth direction of feed E of cloth C reliably as the reflecting layer.
In addition, serging machine 1 according to present embodiment, because will be embedded in as the reflection type optical sensor 7 of optical sensor on the sewing machine table 2, to be configured in as the zone of reflections 9 in reflecting layer 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 sensor 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 sensor 7 can not become obstruction.Thus, can increase the required working space of upkeep operation, improve the identity of sewing position simultaneously.
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 reflecting layer in cloth guide portion 4, configuration is used for the nozzle 11 to reflection type optical sensor 7 injection airs, so by from nozzle 11 injection airs, the foreign matter of 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 sensor 7, specifically, the front end face 7a that cleaning is used to launch irradiates light La and accepts reverberation Lb.Its result, even because reflection type optical sensor 7 is embedded on the sewing machine table 2, the zone of reflections 9 is arranged under the situation on the cloth guide portion 4, also can prevent from the front end face 7a of reflection type optical sensor 7, to adhere to foreign matter and carry out flase drop and survey (misoperation), thus can realize with reflection type optical sensor 7 be configured on the sewing machine table 2, promptly 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,, will be inserted into cloth C in the cloth guide portion 4 to the downstream pretension of cloth direction of feed E so can utilize this air to flow.Its result, after being inserted into cloth C in the cloth guide portion 4, with its initial stage when needle downing position P carries, because can be with the air that sprays from nozzle 11 as assisting, even so, it is successfully slided on sewing machine table 2 because of the frictional force of sewing machine table 2 and cloth C is easy to generate the easy broken cloth C of approaching of deflection or fold.That is,, can prevent from deflection or fold to take place on cloth C because of the frictional force of sewing machine table 2 and cloth C with the initial stage of cloth when needle downing position is carried.
Therefore, serging machine 1 according to present embodiment, because the working space when carrying out upkeep operation is increased, prevent from reliably to survey, so can be easily and improve operator's ease of use reliably because of foreign matter adheres to the flase drop as the reflection type optical sensor 7 of optical sensor that causes.
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 reflecting layer can be imbedded the inside of guided plate 6 by embedding moulding etc., or paste the zone of reflections 9 or the metal forming that works as the reflecting layer at the upper surface of guided plate 6.That is, can make the allocation position in the reflecting layer of cloth guide portion 4, become the hyalomere that light is seen through along thickness direction, the reflecting layer is arranged on the upper surface or the inside of hyalomere.And, by adopting this structure, because can reliably and easily prevent moving of reflecting layer interference cloth C, so can more successfully carry out moving of cloth C when needle downing position P carries cloth C.
In addition, serging machine 1 according to present embodiment, because the light path of reflection type optical sensor 7 is set in guide space G, as the reflection type optical sensor 7 of optical sensor 7 and roughly the same as the thickness of optical path distance between the zone of reflections 9 in reflecting layer 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 the accuracy of detection and the response of reflection type optical sensor 7, and makes the adjustment of sensor 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 security.
In addition, the present invention is not limited to aforementioned embodiments, can carry out numerous variations as required.
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 is in order to guide the cloth of mounting in the upper surface of aforementioned sewing machine table to the needle downing position of 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 the front end and the rear end of the cloth direction of feed of cloth,
This serging machine constitutes, and the detection signal according to the aforementioned lights sensor during to the cloth direction of feed front end of cloth starts Sewing machines, and the detection signal during according to the cloth direction of feed rear end that detects cloth stops the Sewing machines that is driving,
It is characterized in that,
The aforementioned lights sensor is the reflection type optical sensor, 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 sensor over against the position, be provided for reflecting reflection of light layer from aforementioned reflection type optical sensor,
At the upstream side of the cloth direction of feed of comparing with the allocation position in the aforementioned reflecting layer of aforementioned cloth guide portion, configuration is used for the nozzle to aforementioned reflection type optical sensor injection air.
2. as the serging machine of claim 1 record, it is characterized in that,
The allocation position in the aforementioned reflecting layer of aforementioned cloth guide portion is the hyalomere that light sees through along thickness direction, and aforementioned reflecting layer is arranged on the upper surface or the inside of aforementioned hyalomere.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008267328A JP2010094272A (en) | 2008-10-16 | 2008-10-16 | Surging sewing machine |
| JP2008-267328 | 2008-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101724983A true CN101724983A (en) | 2010-06-09 |
| CN101724983B CN101724983B (en) | 2013-03-20 |
Family
ID=42256386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910205572 Active CN101724983B (en) | 2008-10-16 | 2009-10-16 | Serging machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2010094272A (en) |
| CN (1) | CN101724983B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908398A (en) * | 2016-06-29 | 2016-08-31 | 广东溢达纺织有限公司 | Automatic edge control sewing machine and automatic edge control sewing method |
| CN108004683A (en) * | 2017-11-20 | 2018-05-08 | 浙江众邦机电科技有限公司 | Material position detecting device and material edge aligning system comprising the device, sewing machine |
| CN109281075A (en) * | 2017-07-19 | 2019-01-29 | Juki株式会社 | Sewing machine |
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| JPS6058678B2 (en) * | 1980-04-10 | 1985-12-20 | アイシン精機株式会社 | Edge sewing device in sewing machine |
| CH676999A5 (en) * | 1988-11-30 | 1991-03-28 | Mefina Sa | |
| 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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908398A (en) * | 2016-06-29 | 2016-08-31 | 广东溢达纺织有限公司 | Automatic edge control sewing machine and automatic edge control sewing method |
| 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 |
| CN109281075A (en) * | 2017-07-19 | 2019-01-29 | Juki株式会社 | Sewing machine |
| CN109281075B (en) * | 2017-07-19 | 2023-03-28 | Juki株式会社 | Sewing machine |
| CN108004683A (en) * | 2017-11-20 | 2018-05-08 | 浙江众邦机电科技有限公司 | Material position detecting device and material edge aligning system comprising the device, 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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| Publication number | Publication date |
|---|---|
| JP2010094272A (en) | 2010-04-30 |
| CN101724983B (en) | 2013-03-20 |
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