CN207878048U - The needle gage regulating mechanism and reversed crosspointer double-strand overedger of a kind of overedger - Google Patents
The needle gage regulating mechanism and reversed crosspointer double-strand overedger of a kind of overedger Download PDFInfo
- Publication number
- CN207878048U CN207878048U CN201721230527.9U CN201721230527U CN207878048U CN 207878048 U CN207878048 U CN 207878048U CN 201721230527 U CN201721230527 U CN 201721230527U CN 207878048 U CN207878048 U CN 207878048U
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- China
- Prior art keywords
- needle gage
- overedger
- needle
- regulating mechanism
- axis pin
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Abstract
The utility model belongs to sewing machine technique field, refers in particular to a kind of needle gage regulating mechanism of overedger and reversed double-strand overedger.The purpose of this utility model is to provide a kind of needle gage regulating mechanism for the overedger that needle gage is easy to adjust, and needle gage ability to cure is stablized and reversed double-strand overedger.What the purpose of this utility model was realized in：A kind of needle gage regulating mechanism of overedger, including be arranged on the overedger body for metering needle away from resilient internal tooth latch segment；Tool apron is provided on the body, needle gage adjusting bracket is formed on lower tool apron, a mounting hole is formed in needle gage adjusting bracket, a pilot hole is formed on the body, is had a needle gage to adjust axis pin and is sequentially passed through the mounting hole and pilot hole and be directed toward the internal tooth latch segment；The needle gage adjusts axis pin one end and extends on the outside of the needle gage adjusting bracket and form press section.
Description
Technical field
The utility model belongs to sewing machine technique field, refers in particular to a kind of the needle gage regulating mechanism and reversed crosspointer pair of overedger
Chain overedger.
Background technology
Currently, placing the more and more ripe of industry development, competition is more and more fierce, to be proposed to the production efficiency of product
Higher requirement.Reversed sewing machine is because the two sides effect that can process cloth simultaneously can be oppositely arranged with conventional sewing machine
Rate directly promotes one times, because forming " double-station overedger " on the market, this is a series of.Especially it is used in towel manufacture neck
There is higher requirement in domain because sewing technology is simple to sewing efficiency, and the advantage of " double-station overedger " is more obvious.But
The unstable present situation of reversed overedger generally existing performance currently on the market, it is exactly this block of needle gage regulating mechanism to trace it to its cause
Can be unstable, lead to needle gage variation greatly, is easy bouncing pilotage and breaks, or even have the case where colliding between part.As in
State's utility model patent, application number：201621100852.9：The utility model belongs to overedger technical field of automation, is related to
A kind of bilateral asynchronous automation overseam machine equipment for carrying out overseam, refers in particular to a kind of double-station overedger, including rack, is set in rack
It is equipped with work top, left overedger is arranged in the left back of work top, and the right front of work top is provided with right overedger, left packet
Seam machine is backhand overedger, and left overedger is identical with right overedger structure, but structure mirror symmetry is arranged so that left packet
Seam machine carries out the overseam in left side, and right overedger carries out the overseam on right side, and left overedger and right overedger are installed in sliding seat,
Sliding seat carries out left and right directions activity by transmission mechanism below, is offered for left overedger and the right side on the work top
The opening of overedger movement, the utility model provide a kind of simple in structure and stablize, and have broken thread detection mechanism, bilateral asynchronous overseam
Double-station overedger.
The above double-station overedger disclosure satisfy that daily production, but not with regard to how to improve the product stability side of providing
Case.
Utility model content
The purpose of this utility model is to provide a kind of needle for the overedger that needle gage is easy to adjust, and needle gage ability to cure is stablized
Distance regulating mechanism and reversed crosspointer double-strand overedger.
What the purpose of this utility model was realized in：A kind of needle gage regulating mechanism of overedger, including be arranged described
On overedger body for metering needle away from resilient internal tooth latch segment；Tool apron, lower tool apron are provided on the body
On form needle gage adjusting bracket, a mounting hole is formed in needle gage adjusting bracket, a pilot hole is formed on the body, is had
One needle gage adjusts axis pin and sequentially passes through the mounting hole and pilot hole and be directed toward the internal tooth latch segment；The needle gage adjusts axis pin
One end extends on the outside of the needle gage adjusting bracket and forms press section.
Preferably, the pilot hole inwardly forms a limit end face；The right end of the press section is provided with a limit convex
Platform is provided with a guide post on the right side of positive stop lug boss, is arranged with resetting spring outside guide post, resetting spring is born against described
Between positive stop lug boss and limit end face.
Preferably, the right part of the guide post on the needle gage adjusting axis pin is fitted with a limit stop ring, and limit stop ring is supported
It leans against on the pilot hole internal chamber wall；The resetting spring is set in the guide post and bears against in the positive stop lug boss
Between limit stop ring.
Preferably, against the side for having the limit stop ring on the limit end face, the resetting spring is set in described
In guide post and bear against between the positive stop lug boss and limit stop ring.
Preferably, needle gage adjusting bracket one end on the lower tool apron forms the expansion mouth being inclined outwardly.
A kind of reversed crosspointer double-strand overedger includes the needle gage regulating mechanism of overedger described in any of the above item, described
Bending needing mechanism under double-strand is rotatably provided on body, bending needing mechanism includes lower bending rack and is installed in described under the double-strand
The lower end of two lower loopers on lower bending rack, the lower looper forms locking axis pin, the upper end of the lower bending rack
It is provided with tight lock part, there are two the lock chambers being adapted to the locking axis pin for molding on tight lock part；It is molded on the lower bending rack
Have the connection lock chambers runs through slot, and the side of the lower bending rack is through with through slot；The lower bending rack is vertical
In forming fastening thread hole on the direction of locking slot, there is fastener to pass through the fastening thread and be locked with the locking slot.
Preferably, the locking slot forms perforative opening, and the opening of two locking slots is located at the lock
The both sides up and down in tight portion.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
1. the utility model has the beneficial effects that by the structure of optimization needle gage adjustment axis, under avoiding in the prior art
Looper can encounter the problem of needle gage adjustment axis.
2. the utility model has the beneficial effects that the power sprung back in the axial direction by increasing needle gage adjustment axis, is reduced
Internal tooth latch segment is overstock, the stuck situation of main shaft is reduced.
3. the utility model has the beneficial effects that being descended in bending needing mechanism by change, the company of lower looper and lower bending rack
Mode is connect, more stablizes compared with the prior art, avoids the unstable situation of needle gage.
Description of the drawings
Fig. 1 is one of structure diagram of the utility model；
The two of the structure diagram of Fig. 2 the utility model；
Fig. 3 is the structural schematic diagram of embodiment one；
Fig. 4 is two structural schematic diagram of embodiment；
Fig. 5 is three structural schematic diagram of embodiment；
Fig. 6 is the structure diagram of bending needing mechanism.
In figure：1- bodies；Tool apron under 2-；3- needle gages adjust axis pin；4- resetting springs；Looper under 5-；Curved needle seat under 6-；
7- fasteners；11- internal tooth latch segments；12- pilot holes；13- limits end face；21- needle gage adjusting brackets；22- mounting holes；23- expands
Oral area；The press sections 31-；32- positive stop lug boss；33- guide posts；34- limit stop rings；51- locks axis pin；61- tight lock parts； 62-
Lock chambers；63- runs through slot；64- is open；The left needles of 81-；The right needles of 82-.
Specific implementation mode
The utility model is described further with specific embodiment below.
Embodiment one：As shown in figures 1 to 6, the needle gage regulating mechanism of a kind of overedger, including be arranged in the overedger machine
On body 1 for metering needle away from resilient internal tooth latch segment 11；Tool apron 2 are provided on the body 1, on lower tool apron 2
Needle gage adjusting bracket 21 is formed, a mounting hole 22 is formed in needle gage adjusting bracket 21, a guiding is formed on the body 1
Hole 12 has a needle gage to adjust axis pin 3 and sequentially passes through the mounting hole 22 and pilot hole 12 and be directed toward the internal tooth latch segment 11；Institute
Needle gage adjusting 3 one end of axis pin is stated to extend to the needle gage tune stent outer and form press section 31.
In the prior art, the needle gage adjusting of overedger is need to press needle gage by left hand to adjust axis pin 3 so that needle gage tune
Section axis pin 3 is resisted against on the internal tooth latch segment 11 on 1 main shaft of body, is rotated further by sewing machine hand-wheel to rotate main shaft, then right
Hand, when main shaft is gone to certain position, needle gage adjusts the needle gage eccentric wheel in 3 clamping work feed component of axis pin, then is led by rotating
Axis changes the angle of work feed eccentric wheel and needle gage eccentric wheel, and then changes the needle gage of sewing machine.
The technical program is by changing position of the needle gage adjustment axis on lower tool apron 2, by needle gage adjustment axis from the prior art
In through entire lower tool apron 2 design structure, this close to main shaft side from lower tool apron 2 at by forming mounting hole 22, thus
Can completely avoid because lower looper 5 it is unstable caused by looper and needle gage adjust the problem of axis pin 3 collides.Actually make
In, the size of press section 31 can facilitate pressing adjustment needle gage to be advisable again simultaneously without impinging on lower looper 5.
Preferably, the pilot hole 12 inwardly forms a limit end face 13；The right end of the press section 31 is provided with one
The right side of positive stop lug boss 32, positive stop lug boss 32 is provided with a guide post 33, and resetting spring 4 is arranged with outside guide post 33, resets bullet
Spring 4 is born against between the positive stop lug boss 32 and limit end face 13.
The technical program between positive stop lug boss 32 and limit end face 13 by increasing a resetting spring 4, to increase
Needle gage adjusts the strength that axis pin 3 is sprung back.It avoids generating the case where needle gage adjusting axis pin 3 is stuck during needle gage adjustment,
And it can also reduce because pressing the too firmly influence to internal tooth latch segment 11.Cause internal tooth latch segment 11 not spring back, leads to needle gage
Unstable present situation.
Preferably, 21 one end of needle gage adjusting bracket on the lower tool apron 2 forms the expansion mouth 23 being inclined outwardly.Flaring
The design in portion 23 can be by simplest measure, and realizing prevents needle gage from adjusting the problem of axis pin 3 and lower looper 5 collide.
It is largely effective although simple.
A kind of reversed crosspointer double-strand overedger, includes the needle gage regulating mechanism of above-described overedger, on the body 1
It is rotatable to be provided with 5 mechanism of looper under double-strand, under the double-strand 5 mechanism of looper include lower bending rack 6 and be installed in it is described under
Two lower loopers 5 on bending rack 6, the lower end of the lower looper 5 form locking axis pin 51, the lower bending rack 6 it is upper
End set has a tight lock part 61, and there are two the lock chambers 62 being adapted to the locking axis pin 51 for molding on tight lock part 61；Under described
The connection lock chambers 62 are formed on bending rack 6 runs through slot 63, and the one of the lower bending rack 6 is through with through slot 63
Side；The lower bending rack 6 is forming fastening thread hole perpendicular on the direction of slot 63, has fastener 7 to pass through described tight
Gu screw thread is simultaneously locked with described through slot 63.
In the prior art, double-strand looper is by using fastener 7 is real also cross lower looper 5 and lower bending rack 6
Now fasten.Although such design is simple and clear, it cannot be guaranteed that enough stability, to often result in needle gage in reality
It will produce variation in use.
The technical program will tightly axis pin be adapted to lock chambers 62, realize the cooperation of axis hole；It will pass through again by fastener 7
Slot 63 connects, and by the dislocation generated in connection procedure, further increases the stability of installation.To ensure that needle gage
Stability.
Simultaneously as locking axis pin 51 and lock chambers 62 between shaft hole matching so that in actual use, under it is curved
Needle 5 can be rotated around locking axis pin 51 in lock chambers 62, so that the distance between two lower loopers 5 can
It adjusts, and will not be because of degree of stability of the looper 5 on lower bending rack 6 under the influence of the adjustment of distance.Further increase this crosspointer
The range that double-strand overseam needle pitch adapts to also ensures the stability of needle gage simultaneously.
In actual use simultaneously, with the variation of distance between lower looper 5, this crosspointer double-strand overedger can lead to
Cross adaptation different size needle holder component, needle plate, presser feet, tooth can realize needle gage wider scope adjustment.
Preferably, the distance between the left needle 81 in the needle holder of this crosspointer double-strand overedger and right needle 82 can be selected in 1-
It is adjusted between 4mm.Than the mode that existing a set of looper corresponds to a set of needle holder, the versatility of spare and accessory parts is greatly increased,
The difficulty that product is dismantled in actual use can be reduced simultaneously, facilitates the repacking of product and the repair in later stage.
The bending needing mechanism designed using the technical program can ensure looper cusp and eedle center in actual use
Distance is less than 2mm, can ensure that eedle side is less than 0.01mm to the distance of looper groove, can guarantee that eedle side is convex to looper
The distance risen is maintained between 0.01-0.05.
Preferably, described to form perforative opening 64 through slot 63, distinguish position through the opening 64 of slot 63 described in two
In the both sides up and down of the tight lock part 61.Two both sides up and down that tight lock part 61 is separately positioned on through slot 63, such two curved
The design that needle mutually staggers can adequately utilize space, avoid because two fasteners 7 while tightening shadow to tight lock part 61
It rings.And the design of both sides up and down so that fastener 7 can be to the greatest extent close to lock chambers during actually tightening
62。
Embodiment two：The present embodiment and embodiment one are almost the same, the difference lies in that preferably, the needle gage is adjusted
The right part of guide post 33 on axis pin 3 is fitted with a limit stop ring 34, and limit stop ring 34 is resisted against 12 inner cavity of the pilot hole
On wall；The resetting spring 4 is set in the guide post 33 and bears against in the positive stop lug boss 32 and limit stop ring 34
Between.
The technical program increases the design of a limit stop ring 34, and such design can adjust axis pin in pressing needle gage
Play the role of a buffering during 3, while casing processing can also be simplified.In actual use, as long as limit stop ring
34 fitted closely with 12 inner wall of pilot hole can be realized needle gage adjust axis pin 3 realize reciprocating working under the action of resetting spring 4.
Embodiment three：The present embodiment is almost the same with embodiment one or two, the difference lies in that preferably, the limit
Against the side for having the limit stop ring 34 on end face 13, the resetting spring 4 is set in the guide post 33 and supports respectively
It leans against between the positive stop lug boss 32 and limit stop ring 34.
The technical program in guide post 33 by being arranged with a limit stop ring 34, while the another side of limit stop ring 34 is supported
Lean against the limit end face 13 on pilot hole 12.Thus more complete it can realize that needle gage adjusts what axis pin 3 worked with rational
Stability copes with multiplicating pressing, reduces the influence to main shaft.Simultaneously as there is limit stop ring 34 to be resisted against positive stop end
On face 13, and the resetting spring 4 is resisted against between the positive stop lug boss 32 and limit stop ring 34, and this reduces to machine
Requirement in shell processing, improves production efficiency.
Operation principle:
By changing position of the needle gage adjustment axis on lower tool apron 2, needle gage adjustment axis is run through from the prior art entire
The design structure of lower tool apron 2, this can thus keep away completely at by forming mounting hole 22 from lower tool apron 2 close to main shaft side
Exempt from because lower looper 5 it is unstable caused by looper and needle gage adjust the problem of axis pin 3 collides.Axis pin is adjusted by adjusting needle gage
The mode of the 3 realization rebound in lower tool apron 2 and body 1, increases the strength of rebound, reduces the damage to internal tooth latch segment 11
Consumption.By changing lower connection type between looper 5 and lower bending rack 6 so that lower looper 5 is more stablized at a distance from eedle.
The utility model above-described embodiment is only the preferred embodiment of the utility model, not limits the utility model according to this
Protection domain, therefore：It is new should all to be covered by this practicality for the equivalence changes that all structures, shape, principle according to the utility model are done
Within the protection domain of type.
Claims (7)
1. a kind of needle gage regulating mechanism of overedger, including be arranged on the overedger body (1) for metering needle away from can
The internal tooth latch segment (11) of rebound；It is characterized in that：Be provided with tool apron (2) on the body (1), on lower tool apron (2) at
Type has needle gage adjusting bracket (21), and a mounting hole (22) is formed in needle gage adjusting bracket (21), is formed on the body (1)
One pilot hole (12) has a needle gage to adjust axis pin (3) and sequentially passes through described in the mounting hole (22) and pilot hole (12) and direction
Internal tooth latch segment (11)；The needle gage adjusts axis pin (3) one end and extends on the outside of the needle gage adjusting bracket (21) and formed
Press section (31).
2. the needle gage regulating mechanism of overedger according to claim 1, it is characterised in that：The pilot hole (12) one is lateral
Inside form a limit end face (13)；The right end of the press section (31) forms a positive stop lug boss (32), positive stop lug boss (32)
Right side be provided with a guide post (33), be arranged with resetting spring (4) outside guide post (33), resetting spring (4) is born against
Between the positive stop lug boss (32) and limit end face (13).
3. the needle gage regulating mechanism of overedger according to claim 2, it is characterised in that：The needle gage adjusts axis pin (3)
On the right part of guide post (33) be fitted with a limit stop ring (34), limit stop ring (34) is resisted against in the pilot hole (12)
In cavity wall；The resetting spring (4) is set in the guide post (33) and bears against in the positive stop lug boss (32) and limit
Between position baffle ring (34).
4. the needle gage regulating mechanism of overedger according to claim 3, it is characterised in that：It is supported on the limit end face (13)
By thering is the side of the limit stop ring (34), the resetting spring (4) to be set in the guide post (33) and bear against
Between the positive stop lug boss (32) and limit stop ring (34).
5. the needle gage regulating mechanism of overedger according to claim 1, it is characterised in that：Needle on the lower tool apron (2)
The expansion mouth (23) being inclined outwardly is formed away from adjusting bracket (21) one end.
6. a kind of reversed crosspointer double-strand overedger, it is characterised in that：Include the needle of claim 1-5 any one of them overedgers
Distance regulating mechanism, is rotatably provided with looper under double-strand (5) mechanism on the body (1), looper (5) mechanism packet under the double-strand
The two lower loopers (5) for including lower bending rack (6) and being installed on the lower bending rack (6), the lower end of the lower looper (5)
Locking axis pin (51) is formed, the upper end of the lower bending rack (6) is provided with tight lock part (61), and tight lock part forms on (61)
Two lock chambers (62) being adapted to the locking axis pin (51)；The connection locking is formed on the lower bending rack (6)
Chamber (62) runs through slot (63), and the side of the lower bending rack (6) is through with through slot (63)；The lower bending rack (6) is being hung down
Directly in forming fastening thread hole on the direction through slot (63), there is fastener (7) to pass through the fastening thread and lock
It states and runs through slot (63).
7. reversed crosspointer double-strand overedger according to claim 6, it is characterised in that：Described formed through slot (63) is passed through
The opening (64) worn is located at the both sides up and down of the tight lock part (61) through the opening (64) of slot (63) described in two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721230527.9U CN207878048U (en) | 2017-09-25 | 2017-09-25 | The needle gage regulating mechanism and reversed crosspointer double-strand overedger of a kind of overedger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721230527.9U CN207878048U (en) | 2017-09-25 | 2017-09-25 | The needle gage regulating mechanism and reversed crosspointer double-strand overedger of a kind of overedger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207878048U true CN207878048U (en) | 2018-09-18 |
Family
ID=63499424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721230527.9U Expired - Fee Related CN207878048U (en) | 2017-09-25 | 2017-09-25 | The needle gage regulating mechanism and reversed crosspointer double-strand overedger of a kind of overedger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207878048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941742A (en) * | 2021-01-29 | 2021-06-11 | 苏州琼派瑞特电子科技有限公司 | Double-needle chain needle position mechanism for reverse-handed overlock machine |
| CN112941734A (en) * | 2021-01-29 | 2021-06-11 | 苏州琼派瑞特电子科技有限公司 | Automatic sewing and pressing mechanism for overlock machine |
-
2017
- 2017-09-25 CN CN201721230527.9U patent/CN207878048U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941742A (en) * | 2021-01-29 | 2021-06-11 | 苏州琼派瑞特电子科技有限公司 | Double-needle chain needle position mechanism for reverse-handed overlock machine |
| CN112941734A (en) * | 2021-01-29 | 2021-06-11 | 苏州琼派瑞特电子科技有限公司 | Automatic sewing and pressing mechanism for overlock machine |
| CN112941734B (en) * | 2021-01-29 | 2022-08-05 | 苏州琼派瑞特科技股份有限公司 | Automatic stitching mechanism for overlock machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20190925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |