CN208167268U - Sewing machine - Google Patents
Sewing machine Download PDFInfo
- Publication number
- CN208167268U CN208167268U CN201820264265.6U CN201820264265U CN208167268U CN 208167268 U CN208167268 U CN 208167268U CN 201820264265 U CN201820264265 U CN 201820264265U CN 208167268 U CN208167268 U CN 208167268U
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- cloth
- air
- surface side
- guide portion
- curling
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Abstract
The utility model corrects the curling of sewn object.By cloth (W) with defined width support or oppose surface side turn back in the state of be fed through needle downing position, in the edging sewing machine for sewing for the cloth that the cloth end (Wb) of the cloth (W) for surface side fold-back of supporting or opposing is sutured in surface side, there are the first and second air nozzles (9 for blowing out air in the downside of the cloth (W) for surface side fold-back of supporting or opposing, 10), pass through the blowout of the air from these nozzles, can will cloth end (Wb) occur curling effectively in horizontal extension, the execution of the sewing under rolled state can be efficiently reduced, realize the raising of seam product matter.And, by the way that the opening (6d) bypassed air through is arranged in the cloth end guide portion (6) guided to cloth end (Wb), keep cloth end (Wb) at random so as to prevent the air as blowout from blowing to disorder air-flow caused by cloth end guide portion (6), carries out stable cloth conveying.
Description
Technical field
The utility model relates to be suitable for the sewing machine of the sewing of the cloth of curling.
Background technique
For example, in the sewing of T-shirt etc., in the case where waist or cuff setting cylindrical portion, by cloth to provide
Width, which is supported or opposed in the state that surface side is turned back, is fed through needle downing position on sewing machine pedestal, carries out cloth end being sutured in cloth
Surface side edging sewing.
The known sewing machine with cloth cutter is arranged to implement edging sewing in the side of needle downing position front
Movable cutter and fixed cutting tool, which is moved up and down by the power transmitted from machine spindle, in sewing machine base
It is passed in and out on seat, which abuts with a face of the movable cutter, and slideably configures relative to movable cutter, structure
As the effect for passing through these cutters, surface side of supporting or opposing is turned back and is fed through the cloth end residual regulation of the cloth of needle downing position
Fold-back width and cut off (referring for example to patent document 1).
Patent document 1：Japanese Unexamined Patent Publication 2003-305287 bulletin
In addition, cloth due to its material, is easy to crimp in its cloth end, if the cloth for surface side fold-back of supporting or opposing
Cloth end is directly sewed by sewing machine in the case where curling has occurred, then is fallen above curling sometimes
Needle directly sews up the curled portion.As described above, if the cloth end of curling is sewed up, if it has to discarded or will be whole
Line dismantling and sew again, either any situation causes very big loss.
Utility model content
The purpose of this utility model is to provide the sewing machines that stable cloth conveying is corrected and carried out to curling.
The utility model that technical solution 1 is recorded is a kind of sewing machine with cloth cutter, is had：
Folding width guide portion guides the folded-back part of the cloth for surface side fold-back of supporting or opposing along cloth conveying direction；
Cloth end guide portion, by support or oppose surface side fold-back the cloth cloth end along the cloth conveying direction into
Row guidance；And
Cutter mechanism, configuration, will in downstream side compared with the cloth end guide portion on the cloth conveying direction
The cloth end cutting,
By the cloth with defined width support or oppose surface side turn back in the state of be fed through needle downing position, carry out the cloth
Material end is sutured in the edging sewing of the cloth of surface side,
The sewing machine with cloth cutter is characterized in that,
Support or oppose surface side fold-back the cloth downside, have in plan view to the cloth conveying direction just
The anti-locking apparatus of the curling that the direction of friendship blows out air,
In cloth end guide portion, in the position opposite with the air of blowout, it is provided with for releasing the air of blowout
The opening put.
The utility model that technical solution 2 is recorded is characterized in that, in the sewing machine with cloth cutter that technical solution 1 is recorded
In,
Pedestal is prevented with curling, which prevents the cloth of the pedestal on one side from below with surface side fold-back of supporting or opposing from connecing
Touching, on one side guides the cloth end towards cloth end guide portion,
Described crimp prevents the end of the cutter mechanism side of pedestal from becoming inclined cone-shaped downward.
The utility model that technical solution 3 is recorded is characterized in that, in the sewing machine that technical solution 2 is recorded,
The anti-locking apparatus of curling, which is configured at the curling, prevents pedestal.
The utility model that technical solution 4 is recorded is characterized in that, in the sewing machine that technical solution 3 is recorded,
The anti-locking apparatus of curling is made of the first air nozzle and the second air nozzle,
First air nozzle configures compared with second air nozzle in cloth conveying side in cloth conveying direction
To the upstream side,
Second air nozzle direction orthogonal with cloth conveying direction in plan view, configures in the cutter machine
Near structure,
First air nozzle direction orthogonal with cloth conveying direction in plan view, configuration is with described second
Air nozzle compares the position far from the cutter mechanism.
The effect of utility model
The utility model in the downside of the cloth W for surface side fold-back of supporting or opposing there are the first and second air for blowing out air to spray
Mouth 9,10 can will be sent out by the blowout of the air from these nozzles in the cloth end Wb of the cloth W for surface side fold-back of supporting or opposing
Raw curling effectively along horizontal extension, can efficiently reduce the execution of the sewing under rolled state, realize seam product matter
It improves.
Also, made by the setting of cloth end guide portion 6 that the cloth end Wb of the cloth W in surface side fold-back of supporting or opposing is abutted
The opening 6d that air passes through, so as to prevent the air as blowout from blowing to disorder air-flow caused by cloth end guide portion 6
And keep the cloth end Wb of cloth W at random, carry out stable cloth conveying.
Detailed description of the invention
Fig. 1 is the top view on the needle downing position periphery of sewing machine.
Fig. 2 is the figure that outlined the situation of the edging sewing carried out using the sewing machine with cloth cutter
Fig. 3 is the front section view for indicating to sew the bending state for the cloth that guide portion is realized by edging.
Fig. 4 is the enlarged view for indicating the stitching of edging sewing.
Fig. 5 is the top view of the first and second top nozzles.
Fig. 6 is the left side view on the needle downing position periphery of sewing machine.
Fig. 7 is the block diagram for crimping extending apparatus.
Fig. 8 is the enlarged drawing that curling prevents pedestal.
The explanation of label
4 cutter mechanisms
5 folding width guide portions
6 cloth end guide portions
6d opening
9 first air nozzles (crimp anti-locking apparatus)
10 second air nozzles (crimp anti-locking apparatus)
13 curlings prevent pedestal
F cloth conveying direction
W cloth
Wa folded-back part
Wb cloth end
Specific embodiment
[outline of the embodiment of utility model]
In the following, being based on Fig. 1 to Fig. 5, the sewing machine of the first embodiment as the utility model is illustrated.
In addition, in the following description, the upstream side of horizontal and cloth W cloth conveying direction F is set as " front side ", it will
The downstream side horizontal and the cloth conveying direction F of cloth W is set as " rear side ", by level and the direction of the left-hand side towards distal side
It is set as " left side ", the direction of level and the right-hand side towards distal side is set as " right side ".
Fig. 1 is the top view on the needle downing position periphery of sewing machine involved in the embodiments of the present invention.Such as Fig. 1 institute
Show, sewing machine is the sewing machine with cloth cutter, is made of sewing machine arm, sewing machine pedestal 1 and longitudinal body portion.Longitudinal body
Portion is in the upper surface of sewing machine pedestal 1 to being uprightly arranged above vertical, and sewing machine arm is from the upper end in longitudinal body portion to level
Direction is stretched out.Moreover, needle bar is stretched out from the front end of sewing machine arm to vertical lower section, more are equipped in the lower end of the needle bar
Needle.In addition, foot-pressing bar is stretched out from the front end of sewing machine arm to vertical lower section, pressure foot 2 is installed in the lower end of the foot-pressing bar.
The position opposite with needle on sewing machine pedestal 1 is provided with needle plate 3, and the lower part of the needle plate 3 is provided with looper (not shown)
Device and feed mechanism.
A plurality of needles are by the transmission from the upper axis (not shown) for being built in sewing machine arm, with rule together with above-mentioned needle bar
The well known structure that fixed stroke moves up and down, therefore omit detailed description.In addition, pressure foot 2 passes through defined behaviour
Make and drop on needle plate 3, the cloth loaded on sewing machine pedestal 1 is clamped between needle plate 3.
Needle plate 3 is as noted above, is erected at the position opposite with a plurality of needles on sewing machine pedestal 1, needle plate 3 substantially
Central portion, multiple needle falling holes are arranged in left and right directions, which is used for a plurality of needles for making to move up and down as previously mentioned
Pass through in decline.In addition, before and after these needle falling holes and controlling, it is formed with more for protruding feeding tooth (not shown)
The feeding perforation of a rectangle.
Under the use state of sewing machine, cloth W (is the side indicated by arrow F in Fig. 1 towards rear on needle plate 3
To) be sent into.Cloth W is clamped between needle plate 3 and pressure foot 2, (not shown) by protruding above from feeding perforation to needle plate 3
It feeds the movement of tooth and is conveyed in Fig. 1 by the direction that arrow F is indicated with the defined amount of feeding.Moreover, transported cloth
It is stitched by the movement for the looper (not shown) that the needle declined to needle falling hole and the above-mentioned corresponding position under needle plate 3 configure
System.
Cutter mechanism 4 has：Movable cutter 41, is arranged in the inside of the front side of sewing machine pedestal 1；And fixed cutting tool
42, with movable 41 sliding contact of cutter.Fixed cutting tool 42 is to be formed with the plate of blade 42a in an ora terminalis of its length direction
The component of shape.
Moreover, being configured to make movable cutter 41 by coming from the transmission of machine spindle (illustration omitted) in above-below direction
It is acted, and 42 sliding contact of fixed cutting tool, thus as shown in Figure 2 by the cloth end for the cloth W being sent into cutter mechanism
Wb cutting.
[edging sewing guide portion]
At the proximal end position of cutter mechanism 4, guide portion is sewed as edging and is configured with folding width guide portion 5 and cloth
Hold guide portion 6.As shown in figure 3, the folded-back part Wa of cloth W is conveyed by the guide portion 5a of folding width guide portion 5 to cloth
Direction F is guided, the cloth end Wb of the cloth W for surface side fold-back of supporting or opposing by the guide portion 6a of cloth end guide portion 6 to cloth
Material conveying direction F is guided.The cloth W being guided in bending part as described above falls needle by sewing machine, by cutter
Mechanism forms edging shown in Fig. 4 after cutting off cloth end and falling needle and sews.
Folding width guide portion 5 is fixed and being inserted into perforative screw 7 in the long hole 5c for being set to its support portion 5b
In sewing machine pedestal 1.Folding width is guided along the length direction i.e. left and right directions of long hole 5c moreover, going out screw 7 by spiral shell
Portion 5 is mobile, to change to the position of guide portion 5a, the guide position for capableing of folded-back part Wa to cloth W is adjusted.
Cloth end guide portion 6 is fixed on sewing by screw 8 passed through in the long hole 6c for being set to its support portion 6b
Machine pedestal 1.Cloth end guide portion 6 is moved along the length direction i.e. left and right directions of long hole 6c moreover, going out screw 8 by spiral shell,
To be changed to the position of guide portion 6a, the guide position of cloth end Wb can be adjusted.
In addition, being configured to that the guide portion 6a of cloth end guide portion 6 is provided with opening 6d, by describe below first and the
The air of two air nozzles 9,10 blowout can pass through from opening 6d.
[curling extending apparatus]
Curling extending apparatus sprays air in the downside of the cloth W for surface side fold-back of supporting or opposing, by wind pressure, in progress folding
The curling that the cloth end Wb of the cloth W of side seam occurs is corrected.
Curling extending apparatus is made of the first air nozzle 9 and the second air nozzle 10, the first and second air nozzles 9,
10 as shown in Figure 1, by the metal tubular that is arranged in sewing machine pedestal 1 at.
As shown in fig. 7, the one end side for the first and second air nozzles 9,10 being made of these metal tubes is via sky
The pressure supply source (illustration omitted) of tracheae 11 and pressure-air as defined in generating with pump, compressor etc. is connect.In addition, in pressure
Speed control 12 etc. is provided between supply source and first and second air nozzle 9,10.
In addition, being respectively formed in the front end of the other end of first and second air nozzle 9,10 by air ejection
First air nozzle mouth 9a and the second air nozzle mouth 10a.
Thereby, it is possible to spray air from the first air nozzle mouth 9a and the second air nozzle mouth 10a with defined flow.
First and second air nozzle 9,10 is configured in height identical with the upper surface of sewing machine pedestal 1 or slightly higher
Position, the first and second air nozzles 9,10 to horizontal direction carry out air ejection.
Also, as shown in Figure 1, in plan view, the first air nozzle 9 and the second air nozzle 10 are relative to cloth end
Guide portion 6 and configure on right side, from the first air nozzle mouth 9a and the second air nozzle mouth 10a towards the cloth end side Wb
The ejection of direction (left side) progress air.That is, the first air nozzle mouth 9a and the second air nozzle mouth 10a (are bowing towards left side
It is the direction orthogonal with cloth conveying direction F when depending on observation) air is sprayed.
As shown in figure 8, the first air nozzle 9 prevents the front side of pedestal 13 from combining with curling, the second air nozzle 10 with roll up
Song prevents the rear side of pedestal 13 from combining, and the cloth W for surface side fold-back of supporting or opposing prevents the upper surface of pedestal 13 by curling and can incite somebody to action
Cloth end Wb successfully turns back towards cloth end guide portion 6.
In addition, the second air nozzle mouth 10a front-rear direction to cutter mechanism 4 it is tight before place configuration and in left and right directions
It is nearby configured to the right side of cutter mechanism 4, the curling of the cloth end Wb before just being cut off by cutter mechanism 4 can be set as stretching
The state of exhibition.
In addition, in left and right directions, the first air nozzle mouth 9a is configured to be located at the right side compared with the second air nozzle mouth 10a
Side.
Cloth is conveyed the cloth W of fold-back is set to folding width guide portion 5 and cloth end guide portion 6 as a result,
When, the cloth end Wb of curling can be prevented to be hooked in the first air nozzle mouth 9a.
In addition, first and second air nozzle 9,10 carries out the ejection of air in the downside of the cloth W for surface side fold-back of supporting or opposing,
But the correction can also be obtained in the case where table side is there is a situation where crimping overleaf side curling by being not limited to cloth end Wb
Effect.By the ejection of the air from first and second air nozzle 9,10, in the cloth end that the back side of cloth W crimps
The table side of Wb becomes low-pressure state, therefore can pull the cloth end Wb of curling to horizontal-extending direction and rectify
Just.
Incline downward in addition, curling prevents the end 13a of 6 side of cloth end guide portion (i.e. left side) in pedestal 13 from becoming
Oblique cone-shaped, by one side contacted from below with the cloth W for surface side fold-back of supporting or opposing, while by cloth end Wb to movable cutter
41 downside guidance, so as to successfully carry out the cutting realized by cutter mechanism 4.
In addition, curling prevents pedestal 13 from consolidating by screw 7 passed through in the long hole 13c for being set to its support portion 13b
Due to sewing machine pedestal 1.Moreover, going out screw 7 by spiral shell prevents bottom for curling along the length direction i.e. left and right directions of long hole 13c
Seat 13 is mobile, is adjusted so as to the position to the first air nozzle mouth 9a and the second air nozzle mouth 10a.
[technical effect of the embodiment of utility model]
First and second air nozzle 9,10 corrects the curling of the cloth end Wb of cloth W by air, therefore
It can make in the curling of the cloth end Wb generation of the cloth W for surface side fold-back of supporting or opposing effectively in horizontal extension, it can be effectively
The execution of the sewing under rolled state is reduced, realizes the raising of seam product matter.
In addition, it is different from the case where contacting and corrected with cloth W, since the hook of cloth W does not occur, stretches, because
This, can prevent from conveying undesirable generation, carry out stable cloth conveying.
In addition, being configured to the guide portion 6a in cloth end guide portion 6, sprayed with the first air nozzle mouth 9a and the second air
The opening 6d bypassed air through is arranged in the opposite position mouthpiece 10a, thus by describe below the first and second air nozzles 9,
The air of 10 blowouts can pass through from opening 6d, prevent the air as blowout from blowing to disorder caused by cloth end guide portion 6
Air-flow and keep the cloth end Wb of cloth W at random, be able to carry out stable cloth conveying.
In addition, curling prevents the left end 13a of pedestal 13 from becoming inclined cone-shaped downward, will support or oppose surface side folding
The cloth W returned is guided to the downside of movable cutter 41, the cutting that thus, it is possible to successfully realize by cutter mechanism 4.
Claims (4)
1. a kind of sewing machine with cloth cutter, has：
Folding width guide portion guides the folded-back part of the cloth for surface side fold-back of supporting or opposing along cloth conveying direction；
Cloth end guide portion draws the cloth end of the cloth for surface side fold-back of supporting or opposing along the cloth conveying direction
It leads；And
Cutter mechanism, configuration, will be described in downstream side compared with the cloth end guide portion on the cloth conveying direction
The cutting of cloth end,
By the cloth with defined width support or oppose surface side turn back in the state of be fed through needle downing position, carry out the cloth end
Portion is sutured in the edging sewing of the cloth of surface side,
The sewing machine with cloth cutter is characterized in that,
In the downside of the cloth for surface side fold-back of supporting or opposing, have in plan view to orthogonal with the cloth conveying direction
The anti-locking apparatus of the curling that direction blows out air,
In cloth end guide portion, in the position opposite with the air of blowout, it is provided with for passing through the air of blowout
Opening.
2. the sewing machine according to claim 1 with cloth cutter, which is characterized in that there is curling to prevent pedestal, the volume
Song prevents pedestal from contacting from below with the cloth for surface side fold-back of supporting or opposing on one side, on one side by the cloth end towards the cloth
Material end guide portion guides,
Described crimp prevents the end of the cutter mechanism side of pedestal from becoming inclined cone-shaped downward.
3. the sewing machine according to claim 2 with cloth cutter, which is characterized in that
The anti-locking apparatus of curling, which is configured at the curling, prevents pedestal.
4. the sewing machine according to claim 3 with cloth cutter, which is characterized in that
The anti-locking apparatus of curling is made of the first air nozzle and the second air nozzle,
First air nozzle configures on cloth conveying direction compared with second air nozzle in cloth conveying direction
Side is swum,
Second air nozzle direction orthogonal with cloth conveying direction in plan view, configures in the cutter mechanism
Near,
First air nozzle direction orthogonal with cloth conveying direction in plan view, configuration with second air
Nozzle compares the position far from the cutter mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820264265.6U CN208167268U (en) | 2018-02-23 | 2018-02-23 | Sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820264265.6U CN208167268U (en) | 2018-02-23 | 2018-02-23 | Sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208167268U true CN208167268U (en) | 2018-11-30 |
Family
ID=64384433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820264265.6U Active CN208167268U (en) | 2018-02-23 | 2018-02-23 | Sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208167268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005650A (en) * | 2019-12-18 | 2021-06-22 | Juki株式会社 | Sewing system |
-
2018
- 2018-02-23 CN CN201820264265.6U patent/CN208167268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005650A (en) * | 2019-12-18 | 2021-06-22 | Juki株式会社 | Sewing system |
| CN113005650B (en) * | 2019-12-18 | 2023-07-25 | Juki株式会社 | Sewing system |
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