CN101205671A - String-passing device in computer embroidery machine - Google Patents
String-passing device in computer embroidery machine Download PDFInfo
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- CN101205671A CN101205671A CNA2007100703914A CN200710070391A CN101205671A CN 101205671 A CN101205671 A CN 101205671A CN A2007100703914 A CNA2007100703914 A CN A2007100703914A CN 200710070391 A CN200710070391 A CN 200710070391A CN 101205671 A CN101205671 A CN 101205671A
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- threading device
- roller
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- coupling spindle
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Abstract
The invention discloses a string-passing device of a computer embroidery machine and solves the problems that the prior string-passing device of the computer embroidery machine is inconvenient to process and rollers on the string-passing device have poor rotating smoothness. The invention adopts the following technical proposal that: the string-passing device of the computer embroidery machine is arranged on a needle bar rack of the embroidery machine and comprises a string-passing device main body with a U-shaped cross section; a plurality of rollers are arranged on the string-passing device main body; two ends of each roller are respectively connected with two sidewalls of the string-passing device main body; the invention is characterized in that a plurality of pylomes are arranged on two sidewalls of the string-passing device main body; two ends of the roller are respectively inserted into the pylomes; the outer sides of two sidewalls of the string-passing device main body are respectively and fixedly connected with a panel for covering the pylomes.
Description
Technical field
The present invention relates to a kind of computerized emboridering machine, relate in particular to the middle wire-threading device on a kind of computerized emboridering machine needle bar frame.
Background technology
Generally be provided with a plurality of shanks on the plain embroidery computerized emboridering machine, these shanks are located on the needle bar frame side by side, and every shank is corresponding to a kind of floss silk of color.The floss silk of multiple color concentrates on the needle bar frame, if be not provided for passing the middle transition part of floss silk on needle bar frame, broken string takes place to twine and cause in meeting between these softer floss silks.Therefore, on needle bar frame, be equipped with middle wire-threading device.Early stage middle wire-threading device is provided with a plurality of ceramic pulling thread bases, and floss silk is sliding friction between the two during by ceramic pulling thread base, and this can cause the floss silk easy fracture.
Wire-threading device in a kind of computerized emboridering machine is disclosed in Chinese patent 200420022570.2, it is arranged on the front panel of needle bar frame, structure is the middle wire-threading device body that a truncation surface takes the shape of the letter U, on middle wire-threading device body, be provided with several cylinders shape roller, the front side wall of middle wire-threading device body is provided with row's blind hole, rear wall is provided with an exhausting hole, and the two ends of roller insert in blind hole and the through hole respectively with gap.Floss silk rides on the outer peripheral face of roller, and floss silk drives roller and roll when mobile, is between the two rolling friction to have reduced outage effectively.
But wire-threading device also has its defective in this, because on the middle wire-threading device body front side wall is the blind hole that is provided with, these blind holes be by on sheet material with the mode machine-shaping of punching press, sheet material is in the generation deformation process that is stamped, it respectively has certain difference to deformation, the interior shape of the blind hole that forms is irregular, and inner surface is crude rough, needs further processing to rotate in order to roller within it.And middle wire-threading device body adding man-hour needs earlier on sheet material punching press form blind hole, and then become groove shape body through bending, just on middle wire-threading device body, process through hole at last.Sheet material is in by the process of bending, because the difference of deformation quantity in the deformation process, the go forward relative position generation deviation of rear wall of wire-threading device body in can causing, when on rear wall, processing through hole again, the bad assurance of the Working position of through hole, might cause the axis of corresponding blind hole and through hole out-of-line, this can have influence on the smoothness that roller rolls.
In addition, because roller is cylindric, floss silk rides on the roller and when mobile, the axial location of floss silk on roller can be offset, thereby might be stuck in the gap location between roller and described through hole or the blind hole, thereby cause broken string.
Summary of the invention
For overcoming the above-mentioned defective that wire-threading device had in the existing computerized emboridering machine, the technical problem that the present invention need solve: wire-threading device in a kind of novel computerized emboridering machine is provided, and it is easy that it has processing, and roller rotates smoothness on middle wire-threading device body good.
Another technical problem that the present invention need solve: provide a kind of floss silk to be difficult for snapping fit onto roller and middlely cross on the line body between the set through hole wire-threading device in the computerized emboridering machine of gap location, help reducing the outage of floss silk.
For solveing the technical problem, the technical measures that the present invention taked: wire-threading device in a kind of computerized emboridering machine, be located on the needle bar frame of embroidery machine, comprise the wire-threading device body that truncation surface takes the shape of the letter U, on this wire-threading device body, be provided with several rollers, the two ends of roller link with the two side of wire-threading device body respectively, it is characterized in that, described wire-threading device body two side is provided with several through holes, the two ends of roller are inserted in respectively in the through hole with gap, the fixedly connected respectively panel that covers through hole that is useful on the lateral surface of wire-threading device body two side.Wire-threading device is on the front panel that is arranged on needle bar frame in a lateral direction of needle bar frame in this computerized emboridering machine, and the width of needle bar frame is corresponding with the length of middle wire-threading device.Middle wire-threading device body can be earlier by sheet material bending grooving shape body adding man-hour, on formed front and back sidewall on the middle wire-threading device body, process then in order to connect the through hole of roller end, every pair of through hole being processed can coaxial line, and the roller that helps being connected in the through hole has higher smoothness when rotating.The panel that being used to of being provided with on the lateral surface of wire-threading device body covers described through hole generally is fixed on the wire-threading device body by the mode of screw or welding, the length of the length of panel and wire-threading device body is corresponding, and panel just is fixedly attached on the wire-threading device body after roller is assembled on the wire-threading device body, and panel can make roller remain on the wire-threading device body.
Be effectively to reduce the outage of floss silk, described roller outer peripheral face is provided with the deep-slotted chip breaker of ring-type, this deep-slotted chip breaker be positioned at roller axle to the medium position place.When floss silk rides on the outer peripheral face of roller and when mobile, because the existence of deep-slotted chip breaker, floss silk can stably remain in the deep-slotted chip breaker, can't be in the axial generation skew by a relatively large margin of roller, floss silk also is difficult for snapping fit onto the gap location between roller and the through hole, has reduced the outage of embroidering effectively.
As preferably, described several roller two twenty percents are a pair of, and the distance between adjacent two pairs of rollers is greater than the distance between two rollers in every pair of roller.The right number of all rollers is consistent with the shank number on the embroidery machine, floss silk passes between every pair of roller, because embroidery machine is when work, floss silk has stronger beating under the drive of thread take-up tension lever, two rollers can limit the amplitude of beating of floss silk effectively, have guaranteed the stability that floss silk moves.
As preferably, establish a coupling spindle side by side on its length direction of wire-threading device body upper edge in described, on coupling spindle, be provided with a yarn take-up spring, be formed with this external through wires hole of wire-threading device and the fixing hole that is fixed on the coupling spindle outer peripheral face in stretching out on this yarn take-up spring corresponding to every pair of roller.Floss silk passes the through wires hole on the yarn take-up spring, because yarn take-up spring has certain elasticity, this can provide certain cushioning effect to floss silk when mobile, help guaranteeing that floss silk has certain rate of tension all the time, and make floss silk be difficult for being intertwined with other the parts or the floss silk of color.
As preferably, described yarn take-up spring is to be formed by the steel wire coiling, and an end of this steel wire is parallel to coupling spindle and is positioned at the coupling spindle place, and the other end is the full circle ring-type and is looped around on the outer peripheral face of coupling spindle.The other end of steel wire is the full circle ring-type, and this end is in the coupling spindle place, and this is unfavorable for accumulating too many because of floss silk moves the fiber that produces herein, clean and tidy in helping guaranteeing on the wire-threading device
As preferably, an end of described coupling spindle stretches out the outside of wire-threading device body, is provided with knob on this external part.Above-mentioned yarn take-up spring is fixedly connected on the coupling spindle, can drive coupling spindle by turning knob and rotate, thereby the threading end of yarn take-up spring is deflected, so that yarn take-up spring satisfies the needs that floss silk slides.
As preferably, be provided with stopping means between coupling spindle and the middle wire-threading device body.Keep relative fixed after this stopping means can make coupling spindle be rotated and between the wire-threading device body, guaranteed floss silk stability in the course of the work.
As preferably, described panel is front panel and gusset piece, and front panel is the plate body on plane, and gusset piece is the groove shape body that truncation surface takes the shape of the letter U.Gusset piece is made into groove shape body, and it can be used as connector, and wire-threading device is fixedly connected on the front panel of embroidery machine needle bar frame in making.
Therefore, beneficial effect of the present invention:
Be through hole owing to be used to connect the hole of roller on the wire-threading device body, the wire-threading device body is easy to process, and a pair of through hole that every roller connected can coaxial line, has guaranteed the rotation smoothness of roller at through hole.On the outer peripheral face of roller, be provided with the deep-slotted chip breaker of ring-type, be convenient to the axial medium position place that floss silk is stabilized in roller, and being difficult for being displaced to the end of roller, floss silk also is difficult for snapping fit onto in the gap between roller and the through hole, has reduced the outage of floss silk effectively.
Description of drawings
Fig. 1 is that wire-threading device is assemblied in structural representation on the needle bar frame front panel in the computerized emboridering machine of the present invention.
Fig. 2 is the front view of wire-threading device in the computerized emboridering machine of the present invention.
Fig. 3 is the vertical view of wire-threading device in the computerized emboridering machine of the present invention.
Fig. 4 is the side view enlarged drawing of wire-threading device in the computerized emboridering machine of the present invention.
Fig. 5 is the structure for amplifying schematic diagram of roller.
Fig. 6 is the enlarged front view of yarn take-up spring.
Fig. 7 is the enlarged side view of yarn take-up spring.
The specific embodiment
Shown in Fig. 1, wire-threading device is horizontally installed on the computerized emboridering machine needle bar frame front panel 1 in the computerized emboridering machine of the present invention, and floss silk is to be linked together with embroidery needle behind the wire-threading device in passing.
See Fig. 2, Fig. 3, Fig. 4, the agent structure of wire-threading device is a wire-threading device body 5 in the computerized emboridering machine of the present invention, the groove shape body that wire-threading device body 5 takes the shape of the letter U for the truncation surface shape, the opening direction of this groove shape body are towards the top, and it is made of two parallel sidewalls and a diapire.On the diapire of wire-threading device body 5, also be provided with several through wires holes 10.
Be provided with several rollers 8 on wire-threading device body 5, the two ends of roller 8 are respectively across being connected in the through hole set on two sidewalls, are respectively equipped with panel on the outer surface of the two side of wire-threading device body 5, and panel is used to cover through hole set on the sidewall.These panels are respectively the gusset pieces 9 that the front panel 7 that is tabular and truncation surface take the shape of the letter U, and front panel 7 and gusset piece 9 are fixedly connected on the wire-threading device body 5 by trip bolt.
Several above-mentioned rollers 8 constitute a pair of in twos, and distance is passed between two rollers of floss silk from every pair of roller 8 greater than the distance between every pair of roller 8 between adjacent two pairs of rollers 8.The number of shank is consistent on the right number of roller and the needle bar frame.Also be provided with circular deep-slotted chip breaker 81 on the outer peripheral face of roller 8, this position of deep-slotted chip breaker 81 on roller 8 is positioned at the axial center of roller 8.The two ends of roller 8 are smooth sphere.
Be provided with coupling spindle 6 on above-mentioned gusset piece 9, coupling spindle 6 is arranged side by side with wire-threading device body 5.The outside of wire-threading device body 5 is stretched out in one end of coupling spindle 6, is fixedly connected with a knob 2 on the external part of coupling spindle 6, and the outer peripheral face of this knob 2 has annular knurl, and coupling spindle 6 can rotate on gusset piece 9 under the drive of knob 2.In order to limit the deflection angle of coupling spindle 6, between coupling spindle 6 and wire-threading device body 5, be provided with stopping means, this stopping means can be two mutual opposed fluted discs that mesh together that have the flank of tooth, on coupling spindle 6, be socketed with spring 3, two fluted discs are closely meshed together.
In conjunction with Fig. 6, Fig. 7, on coupling spindle 6, also be fixedly connected with several yarn take-up springs 4, the right number of the number of yarn take-up spring 4 and roller is consistent.Yarn take-up spring 4 is formed by the steel wire coiling, and this steel wire main part turns to a fixing hole 44, and this fixing hole 44 circumferentially is socketed on the outer peripheral face of coupling spindle 6 regularly.One end of steel wire is the stiff end 41 that is parallel to coupling spindle 6, and the other end is the full circle ring end 43 of full circle ring-type, and this full circle ring end 43 is looped around on the outer peripheral face of coupling spindle 6.Also be formed with the through wires hole 42 that stretches out wire-threading device body 5 outsides on the yarn take-up spring 4, this through wires hole 42 is used to pass floss silk.
Claims (8)
1. wire-threading device in the computerized emboridering machine, be located on the needle bar frame of embroidery machine, comprise the wire-threading device body that truncation surface takes the shape of the letter U, on this wire-threading device body, be provided with several rollers, the two ends of roller link with the two side of wire-threading device body respectively, it is characterized in that described wire-threading device body (5) two side is provided with several through holes, the two ends of roller (8) are inserted in respectively in the through hole with gap, the fixedly connected respectively panel that covers through hole that is useful on the lateral surface of wire-threading device body (5) two side.
2. wire-threading device in the computerized emboridering machine according to claim 1 is characterized in that, described roller (8) outer peripheral face is provided with the deep-slotted chip breaker (81) of ring-type, and this deep-slotted chip breaker (81) is positioned at the axial medium position place of roller (8).
3. wire-threading device in the computerized emboridering machine according to claim 2 is characterized in that, described several roller (8) two twenty percents are a pair of, and the distance between adjacent two pairs of rollers (8) is greater than the distance between two rollers (8) in every pair of roller.
4. wire-threading device in the computerized emboridering machine according to claim 2, it is characterized in that, establish a coupling spindle (6) side by side on its length direction of wire-threading device body (5) upper edge in described, go up at coupling spindle (6) and to be provided with a yarn take-up spring (4), be formed with the outer through wires hole (42) of wire-threading device body (5) in stretching out on this yarn take-up spring (4) and be fixed on fixing hole (44) on coupling spindle (6) outer peripheral face corresponding to every pair of roller (8).
5. wire-threading device in the computerized emboridering machine according to claim 4, it is characterized in that, described yarn take-up spring (4) is to be formed by the steel wire coiling, and an end of this steel wire is parallel to coupling spindle (6) and is positioned at coupling spindle (6) to be located, and the other end is the full circle ring-type and is looped around on the outer peripheral face of coupling spindle (6).
6. according to wire-threading device in claim 4 or the 5 described computerized emboridering machines, it is characterized in that an end of described coupling spindle (6) stretches out the outside of wire-threading device body (5), is provided with knob (2) on this external part.
7. wire-threading device in the computerized emboridering machine according to claim 6 is characterized in that, is provided with stopping means between described coupling spindle (6) and the middle wire-threading device body (5).
8. according to wire-threading device in claim 1 or 2 or 3 or the 4 or 5 described computerized emboridering machines, it is characterized in that described panel is front panel (7) and gusset piece (9), front panel (7) is the plate body on plane, the groove shape body that gusset piece (9) takes the shape of the letter U for truncation surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100703914A CN101205671A (en) | 2007-07-27 | 2007-07-27 | String-passing device in computer embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100703914A CN101205671A (en) | 2007-07-27 | 2007-07-27 | String-passing device in computer embroidery machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101205671A true CN101205671A (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100703914A Pending CN101205671A (en) | 2007-07-27 | 2007-07-27 | String-passing device in computer embroidery machine |
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| Country | Link |
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| CN (1) | CN101205671A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953217A (en) * | 2011-08-30 | 2013-03-06 | 吴江市洪盛纺织有限公司 | Yarn guide frame |
| CN103437082A (en) * | 2013-08-13 | 2013-12-11 | 吴江市中盛机械有限公司 | Winding baffle shaft |
| CN113774587A (en) * | 2021-09-03 | 2021-12-10 | 浙江越隆缝制设备有限公司 | Embroidery machine walk line unit, walk line mechanism and embroidery machine |
-
2007
- 2007-07-27 CN CNA2007100703914A patent/CN101205671A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953217A (en) * | 2011-08-30 | 2013-03-06 | 吴江市洪盛纺织有限公司 | Yarn guide frame |
| CN103437082A (en) * | 2013-08-13 | 2013-12-11 | 吴江市中盛机械有限公司 | Winding baffle shaft |
| CN113774587A (en) * | 2021-09-03 | 2021-12-10 | 浙江越隆缝制设备有限公司 | Embroidery machine walk line unit, walk line mechanism and embroidery machine |
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Open date: 20080625 |