CN109312512A - Embroidery machine, especially shuttle car embroidery machine - Google Patents

Abstract

A kind of embroidery machine includes one for cutting and clamping embroidery wire cutting and the clamping device (1) of upper thread.For each needlework location, an independent embroidery wire cutting and clamping element (55) are arranged on a rack plate (45) and can be driven.Each individual embroidery wire cutting and clamping element (55) can be opened and closed separately through a driving device.

Description

Embroidery machine, especially shuttle car embroidery machine

Technical field

It is an object of the present invention to a kind of embroidery machine according to 1 all-inclusive concept of claim the, especially shuttle cars to pierce Embroidery machine.

Background technique

In EP 0 768 418, the description one upper thread cutting and clamping device, upper thread for cutting off upper thread is also referred to as Needlework, wherein designed cloth pressure in cloth clamp and referred to or pawl, be additionally provided with a cutter ruler that can be elapsed in vertical direction. On the cutter ruler, thread capturing device is equipped with for capturing the upper thread beveled end from needle guide to cloth.In addition, being designed on cutter ruler There is hook-shaped knife, the blade or cutter being formed in cloth clamp can if cutter is guided downward with respect to cloth clamp Cut off the line captured by grapple.Using this known devices, it can cut and all extend between cloth and tambour needle simultaneously Line, in addition, the end of a thread attracted by needle is clamped at after dicing on a device, so during further embroidery, phase It answers and does not need to thread again from pinprick in needlework location.Device whereby, line can be by accurate cuttings and temporarily by reliable grip.So And the shortcomings that this device is that all lines are always cut simultaneously, rather than only cutting is currently at the line during embroidery.It should The further drawback of known devices is, the wire cutting and clamping device all on each stitch of when embroidery is put together with cloth pressing It is dynamic, such as 600 to 700 times per minute.It means that 600 to 700 times per minute amounts constantly must be accelerated and prolong Late.This may result in vibration and noise, and increase the abrasion of embroidery machine.In addition, the disadvantage of this device is that, upper thread is cut Relatively far away from, the consumption that this will lead to line is larger, in addition, must also remove later for embroidery material of the place apart from embroidery orifice plate and thereon The end of a thread on deburring embroidered cloth material.In addition, the shortcomings that being proved in addition, if it is not needed, the line being clamped can by cutter or The common action of clamping jaw is unclamped again.

Summary of the invention

A task of the invention be to provide it is a kind of on large-scale embroidery machine for upper thread or needlework cutting and clamp dress It sets, whereby device only can cut and clamp embroidery yarn in selected needlework location.

Another task is to provide an embroidery wire cutting and clamping device, whereby can be to be cut in close proximity to embroidery orifice plate cutting Embroidery yarn.

Another task of the invention is to provide a kind of simple driving device, for selected actively embroider wire cutting and Clamping device.

Another task of the invention is to design the embroidery wire cutting and clamping device that one kind can be replaced individually.

This generic task passes through one according to provided by 1 feature of claim the, with upper thread cutting and clamping device Embroidery machine solves.

The favorable embodiment of this kind of embroidery machine is explained in the dependent claims.

It is placed in the gantry beams that can be swung independently of cloth clamp by using one, can be activated individually or be disabled Embroidery wire cutting and clamping element, needlework can cut simultaneously reliable grip in the needlework location temporarily deactivated respectively.If cutting Process needs, and the gantry beams and the embroidery wire cutting being fixed thereon and clamping element are only swung in embroidery orifice plate direction, and Resting position is held in during embroidery.Cutter also only needs to operate on the position embroidered each, this limit the abrasion of cutter can System is in minimum level.Cutter that is defective or being worn is not necessarily to any tool, can pass through and replace single embroidery wire cutting and clamping Part is removed and is replaced from gantry beams.The downtime of embroidery machine can be greatly shortened as a result, relative to other known devices, The parts replacement cost of the present apparatus is lowered to bottom line.By configure can be individually operated embroidery wire cutting and clamping element, Line end to be clamped can be clamped by a sufficiently long line segment, laborious threading process after thereby eliminating.Due to newly piercing Embroider line can penetrate clamping device from above in a simple manner, then be cut by disposably operation embroidery wire cutting and clamping device Except extra the end of a thread, and situation identical with previously cut embroidery yarn is consequently formed, in replacement of products or other embroidery yarns need to be used Or in the threading process such as other color embroidery yarns, hence it is evident that simplify the repacking work of machine.

Detailed description of the invention

The present invention is described according to one embodiment and is illustrated in figure.

Wherein:

In the large-scale embroidery machine of Fig. 1 mono-, shuttle car railEmbroidery orifice plate and sewing machine, embroidery wire cutting and clamping device are quiet Vertical component interface when only,

In the large-scale embroidery machine of Fig. 2 mono-, shuttle car railEmbroidery orifice plate and sewing machine, embroider wire cutting and clamping device work Vertical component interface when making,

Fig. 3 a rack plate, driving plate and the front perspective without embroidery wire cutting and the driving plate driving mechanism of clamping element Figure,

Fig. 3 b rack plate, driving plate and the back side without the driving plate driving mechanism of embroider wire cutting and clamping element are had an X-rayed Figure,

One separate perspectives of Fig. 4 embroidery wire cutting and clamping element,

The side view diagram of Fig. 5 a embroidery wire cutting and clamping element,

An embroidery wire cutting and clamping element side view of Fig. 5 b directly before rack board connecting equipment,

When Fig. 5 c stationary state, the rack plate cross-sectional perspective view of two, band embroidery wire cuttings and clamping element,

When Fig. 6 a stationary state, the rack plate sectional top view of two, band embroidery wire cuttings and clamping element placed on it,

Fig. 6 b capture and when cutting in Fig. 6 a component side view diagram,

When Fig. 6 c stationary state, the rack plate cross-sectional perspective view of two, band embroidery wire cuttings and clamping element,

For Fig. 7 a when capturing and cut state, there are two a rack plate sections of embroidery wire cutting and clamping element for outfit thereon Top view,

Fig. 7 b is when capturing and cut state, the side view diagram of component in Fig. 7 a,

Cross-sectional perspective view of Fig. 7 c band there are two the rack plate of embroidery wire cutting and clamping element when capturing and cut state,

Fig. 8 a is equipped with two embroidery wire cuttings thereon and a rack plate of clamping element is bowed with section when driving device disengagement View,

The side view that component and driving device disengage in Fig. 8 b Fig. 8 a,

Fig. 8 c is equipped with the rack plate cross-sectional perspective view of embroidery wire cutting and clamping element that two disengage with driving device.

Specific embodiment

In fig. 1 and 2, in order to understand the present invention, the necessary component in one large-scale shuttle car embroidery machine is described.These In figure, especially it is clearly visible positioned at shuttle car railIt is between 3 and sewing machine 5, for cutting and clamping needlework or upper thread Embroidery wire cutting and clamping device-referred to below as embroidery wire cutting and clamping device 1.Shuttle car rail3 can surround one The axis not shown herein is mobile, to facilitate the embroidery bottom plate 7 between contact embroidery orifice plate 9 and needle 15.In embroidery bottom plate 7 and shuttle TrackEmbroidery orifice plate 9 is provided between 3.In order to see more clearly, shuttle car railShuttle in 3 in shuttle car rail 11 Vehicle is omitted.

On the right side of embroidery bottom plate 7, above needle 13 it can be seen that clamped by needle holder 15.It is a drill bit 17 below needle 13, It is clamped by drilling attachment 19.Needle 13 is driven by a needle connecting rod 21；Needle drill bit 17 is driven by a drill bit connecting rod 23.Needle connecting rod The end 27 of 21 crank end 25 or drill bit connecting rod 23 is by being pressed in torsion that is swingable, being installed on Cylindorical rod 29 or 31 Clamped by power spring.In addition, in figure visible one driven by a linear actuating device 34, the sliding block that can mainly move axially back and forth 33.First wedge piece 35 and the second wedge piece 37, inclined ramped surfaces and crank end have been installed on sliding block 33 25 and 27 unused end in contact.Front is arranged on the end 41 on 33 left end of sliding block in bending or T shape, with a curved bar or The contact of one rocking bar 43, it is the component part of embroidery wire cutting and clamping device 1 or embroidery a wire cutting and clamping element 55, and It can be swung on it around axis B (Fig. 4).The device 1 is arranged on an axis 42, can be swung around an axis C.In order to see more Clear, the oscillatory gearing mechanism on the direction arrow P does not have icon, or most of shielded.In addition, device 1 further includes one Frame plate 45 corresponds to the spacing of embroidery machine needle 13 on the rack plate, with when rule away from entering lockhole shape groove 47.

In Fig. 3 a and Fig. 3 b, before being integral or being longitudinally divided into the rack plate 45 of several parts along embroidery machine, It is designed to be equipped with a driving beam 49 across in the beams of metal of multiple needlework locations at one.The driving beam 49 can pass through push rod 51 It is moved up and down in vertical direction (arrow F), and is imported into rack plate 45 by the guide rod in slot 46.Push rod 51 is not detailed by one The driving device 53 carefully described drives.In Fig. 3 a and Fig. 3 b, in order to see more clearly, it is omitted and is arranged on rack plate 45 Embroidery wire cutting and clamping element 55.These can be described below referring next to Fig. 4.

Fig. 4 is the perspective view of embroidery wire cutting and clamping element 55, wherein identical structure is described in detail.Prolong longitudinal direction The slide plate 57 stretched carries some other necessary component for cutting and clamping, such as a clamping plate 59, a cutting blade 61 and one A grapple 63.Grapple 63 and cutting blade 61 are installed between clamping plate 59 and slide plate 57, can be longitudinal in a guiding shell 65 It is mobile.Guiding shell 65 is for example fixed on slide plate 57 by two screw attachments 67.It is preferred that clamping plate 59 is clamped in guiding In a fluting 69 in shell 65, and is passed through and fixed with screw attachment 67.

In addition, in a slotted recess 73, a balladeur train 71 is longitudinally led in slide plate 57 below guiding shell 65 Draw.Balladeur train 71 is fixed by sleeve 75, the external flange face for being placed in slotted recess 73 in a T shape longitudinal cross-section, and is led to It crosses a bolt 77 and a nut 79 is fastened on balladeur train 71.One helical spring 85 is clamped at 81 He of upper end of balladeur train 71 It is oriented between the lower end 83 of shell 65.The end of thread of the helical spring is clamped in the hole on guiding shell 65 and balladeur train 71 It is interior.By helical spring 85, balladeur train 71 is pushed by spring force, until flute profile is recessed in the neck arrival end position of T-socket 75 The lower end of slot 73.On balladeur train 71, it is also provided with the rocking bar 87 being placed on the bolt 89 of balladeur train 71, which can return Turn.Rocking bar 87 includes two stabilizer blades arranged in parallel, is run through therebetween by bolt 89.It is preferred in the upper end of two stabilizer blades 91 Constitute nose-shaped end range 93.The lower end of stabilizer blade 91 is connected to each other with web 95 and forms a flat lower edge 111.

The helix torsion spring 97 for surrounding bolt 89 by one, rocking bar 87 turn round in the clockwise direction with web 95, so, Web 95 is pressed against on cantilever 99.A part of cantilever 99 or balladeur train 71, or be fixed on balladeur train and protrude outward, it puts down Row is extended downwardly in slide plate 57.The lower end of cantilever 99 is bent to 90 °.Cantilever 99 is dashed forward by crooked end 101 to 57 direction of slide plate Out.In lower area or in its lower end, design has a keyhole connected in star 103 in slide plate 57.

57 top leptoprosopy of slide plate in Fig. 4 on right side, configured with a sharp cutting edge 105.Mainly prolonged with a right angle The upper end for the cutting blade 61 stretched and the lower end of the grapple 63 mainly constituted with right angle are between the end and clamping plate 59 of slide plate 57 It is kept clamped condition (please also compare Fig. 7 a and 7c).

In Fig. 5 a to 5c, embroidery wire cutting and clamping element 55 are described in a manner of side view.Embroidery wire cutting and clamping Part 55 is fixed on rack plate 45.Fixation on rack plate 45 is by making T-socket 75 pass through the (ginseng of keyhole connected in star 47 See what Fig. 3 a to 3b) was realized, and real with pinching screw 107 on rack plate 45 in second keyhole connected in star 103 is locked in Now it is cooperatively connected.In figure 5b, the interval of embroidery wire cutting and clamping element 55 and rack plate (45) is described.In Fig. 6 a to 6c In, engagement is carried out by top embroidery wire cutting and the displacement of clamping element 55.Pass through the clear show stand frame plate 45 of pinching screw 107 The removable installation of upper two corresponding assembly.In addition, it can also be seen that, cantilever 99 or curved end 101 can be engaged driving beam in fig. 6 c An aperture 109 in 49.Meanwhile the space between the hook shaped ends 101 of cantilever 99 and the lower edge 111 of balladeur train 71 is by aperture The upper area of 109 upper part driving beams 49 is filled out embedding.Embroider wire cutting and clamping element 55 or its balladeur train 71 therefore substantially with 49 gapless of driving beam is connected.It can be with the driving beam 49 of balladeur train 71 together, in vertical direction, and relative to spiral as a result, The active force of spring 85, is moved upward.

Driving beam 49 is connected with push rod 51 (also referring to Fig. 3).51 aspect of push rod swings rod type with one again with one can The driving device swung around axis A is connected.The driving device or oscillating rod can be swung with means not illustrated herein, and Move down push rod 51 can mainly vertically upward or.Driving beam 49 can transport in parallel in vertical direction by push rod 51 It is dynamic.Whereby, once being engaged in opening 109 in the curved end 101 on cantilever 99, and thus transmitted the movement of driving beam 49 The embroidery wire cutting being then engaged on drive rod 49 onto balladeur train 71 and clamping element 55 similarly move vertically.By thereon It is fixed with the balladeur train 71 of cantilever 99, the embroidery wire cutting being engaged on the first segment path of vertical movement and clamping element 55 A first path is continued up as shown in Figure 4.Therefore, in first path, all embroidery wire cuttings being activated and folder Tight part 55 moves one section up towards embroidery bottom plate (referring to fig. 2).If driving beam 49 continues to move, cutting blade 61 and grapple 63 Also it can thus be worth in the same amount and be moved.But slide plate 57 and clamping plate 59 remain unchanged (Fig. 7 a to 7c).In first path terminal, Only the upper end of the pinching screw 107 in equipment and groove enters slide plate 45.In further mobile embroidery wire cutting and clamping element 55 When, only balladeur train 71, cutting blade 61 and grapple 63 are moved.Therefore, only the one of cutting blade 61 or grapple 63 is mainly The end that vertical in form extends, is protruded outward by the sharp edges of slide plate 57 and the top edge of clamping plate 59.

It is the other function of wire cutting and clamping element 55 of embroidering described in Fig. 8 a to 8c.By active force and A Linear actuator 34 on 91 end 93 of upper support leg of rocking bar 87, linear unit surround the axis counter-clockwise swing of bolt 89.It is logical The swing of rocking bar 87 is crossed, the lower edge 111 of 87 lower support leg of rocking bar removes the effective range of driving beam 49.Driving beam as a result, When 49 starting, lower edge 111 is not entered back into the equipment with driving beam 49, and the therefore no longer passage upwards of rocking bar 87, and is stopped It stays or is maintained in lower position.Rocking bar 87 is no longer moved up with balladeur train 71 as a result, and cutting blade 61 and grapple 63 also stop In position between slide plate 57 and clamping plate 59 or black box keeps passive state, and an embroidery yarn that may be clamped is kept In clamped state.

Below according to the working principle of Detailed description of the invention embroidery wire cutting and clamping device 1.According to Fig. 1, from the positioning of device 1 It sets out, relative to a cloth-pressing device or cloth claw 113, the upper end of slide plate 57 is far from embroidery orifice plate 9.Comparative diagram 6a to 6c positioning Each single component of embroidery wire cutting and clamping element 55.In this position of device, embroidery machine can stop working, or can carry out Embroidery, that is to say, that embroidery figure can be produced, embroidery cloth claw 113, tambour needle 13 etc. can carry out corresponding sports.

When replacing embroidery yarn, it means that the stopping of needlework location and the adjustment of another needlework location, machine Stop working (needle takes out from cloth, and cloth-pressing device is opened etc.).Rack plate 45 is counterclockwise swung around axis C.Slide plate 57 upper end moves near embroidery orifice plate 9, to make the needlework threaded from the embroidery material on embroidery orifice plate 9 to pinprick as far as possible It can cut off at embroidery material.Make first upwards in the swing end of rack plate 45 and embroidery wire cutting and clamping element 55 When movement, grapple 63 and cutting blade 61 are between slide plate 57 and clamping plate 59, as shown in Fig. 6 a to 6c, close to embroidery bottom plate 7.With Afterwards, the cutting process of involved needlework is carried out, wherein driving beam 49 continues up passage in the direction arrow f first.By upward Mobile driving beam 49, balladeur train 71 are pushed upwardly shifting with respect to rack plate 45, and at the same time, grapple 63 and cutting blade 61 are also upper It moves.Meanwhile spring 85 is tensioned.By the relative motion (lock is not illustrated) of embroidery machine lock, needlework or a variety of needlework are from thorn It embroiders bottom plate 7 and runs to needle 13 or multiple needles 13, that is to say, that in the horizontal extension branch underfooting of cutting blade 61 and grapple 63, into Enter catching range or multiple catching ranges.Then, driving beam 49 is in the direction arrow f falls downward.Then, along needlework region one Side, between the grapple 63 moved down and clamping plate 59, from needle 13 be oriented to embroidery bottom plate 7, and a relatively long distance by this two It clamps and keeps between component.It is cut from the upper thread of embroidery cloth direction guidance needle 13 in the movement of 57 cutting edge 105 of slide plate Blade on cutting blade 61 is cut close to embroidery cloth.This cutting process is propped up by the active force of relaxation spring 85 It holds.After the cutting process, the rack plate 45 thereon equipped with embroidery wire cutting and clamping element 55 is moved back to initial position completely.Come It is reliably clamped between grapple 63 and clamping plate 59 from the end of a thread of needle 13.

It must be cut simultaneously if not all upper threads, in the needlework location that some upper threads should not be cut, embroidery Wire cutting and the following break-off of clamping element 55.By means of sliding block 33 and the bending part being arranged on its front end 41, root According to Fig. 8 a to 8c, direction of the top of rocking bar 87 on rack plate 45 is swung.Thus in subsequent start-up driving beam 49, balladeur train 71 It no longer needs to improve, because driving beam 49 is no longer from the web 95 below against rocking bar 87, and balladeur train 71 does not move.Therefore, Grapple 63 and cutting blade 61 cannot be displaced outwardly by clamping plate 49 or slide plate 57.In next cutting process, although embroidery Wire cutting and clamping element 55 are mobile towards embroidery orifice plate 9 together with adjacent component, but can not catch from embroidery cloth towards needle 13 and draw The line led, therefore the line can not be cut off.

Claims (15)

1. embroidery machine, especially with tambour needle (13), driving device, a kind of device (1) for cutting and clamping upper thread Shuttle car embroidery machine separately includes an embroidery wire cutting designed for that need to cut upper thread in locality in each needlework location With clamping element (55), the embroidery yarn of embroidery cloth is directed into from needle (13) for the cutting before embroidery orifice plate (9) and clamping, In, embroidery wire cutting and clamping element (55) at least one rack plate (45) can be set individually in a cutting and clamping position It sets, wherein the embroidery wire cutting and clamping element (55) for having a driving beam (49) can be faced at least one driving device (53) Shi Kaiqi and shutdown, wherein each individually embroidery wire cutting and clamping element (55) can engage connection and be divided with driving beam (49) It is arranged to from, wherein rack plate (45) and on it moveable driving beam (49) together, can be swung around horizontal axis C, In, driving device (53) and rack plate (45) hingedly,

It is characterized in that,

Each embroidery wire cutting and clamping element (55) include a slide plate (57), are provided with a moveable balladeur train (71).

2. embroidery machine according to claim 1, which is characterized in that active force of the balladeur train (71) relative to spring (85), On or in one guiding shell (65), it is supported on slide plate (57), and can be moved on slide plate (57).

3. embroidery machine according to claim 2, which is characterized in that at least one slotted recess (73) in back side slide plate (57) In an at least T-socket (75) have axis, and be fixed on a cutter (61) for balladeur train (71) and a grapple (63) is introduced into and leads It is moveable to the balladeur train (71) of outer casing end.

4. embroidery machine according to claim 2 or 3, which is characterized in that on balladeur train (71), in embroidery wire cutting and folder Hinged one rocking bar (87) that can be swung around trunnion axis on tight part (55), the rocking bar (87) can establish with driving beam (49) to be connected It connects, or is disengaged.

5. embroidery machine according to claim 4, which is characterized in that be designed to rocking bar (87) end of web (95) below (101), the lower end of balladeur train (71) can be pressed in by a helix torsion spring (97).

6. embroidery machine according to claim 4 or 5, which is characterized in that the lower end (101) of balladeur train (71) is designed to hook-shaped Curved shape.

7. the embroidery machine according to any one of claim 2 to 6, which is characterized in that fix one in guiding shell (65) Clamping plate (59), mainly the upper end with slide plate (57) extends in parallel, and the upper end between slide plate (57) and clamping plate (59) Between have been provided with the upper end of cutting blade (61) and grapple (63).

8. embroidery machine according to claim 7, which is characterized in that the top edge of each cutting blade (61) formed it is hook-shaped, And blade is placed on hook portion lower edge, and slide plate (57) upper end locating for cutting blade (61) constitutes cutting blade (61').

9. embroidery machine according to claim 7 or 8, clamping plate (59) elasticity is placed on grapple (63).

10. the embroidery machine according to any one of claim 5 to 9, which is characterized in that balladeur train (71) is placed on rocking bar (87) On the slide plate (57) of web (95), can be moved up by the driving beam (49) being placed on web (95), meanwhile, cutting blade (61) and Grapple (63) can be pushed out by the end of slide plate (57) and clamping plate (59), to expose cutting blade (61) and grapple (63) Hooked end.

11. embroidery machine according to claim 10, which is characterized in that balladeur train (71) can be relative to the active force of spring (85) It is pushed upwardly shifting, and can be moved down by the active force of spring (85), for cutting and clamping needlework.

12. embroidery machine described in 0 or 11 according to claim 1, which is characterized in that when rocking bar (87) are swung, driving beam (49) web (95) not being engaged on rocking bar (87), and engaged with balladeur train (71), cutting blade (61) and grapple (63) are hidden Hiding is arranged between slide plate (57) and the end of clamping plate (59).

13. the embroidery machine according to any one of claim 4 to 12, which is characterized in that on sewing machine (5), be arranged useful In the personalized driving device shut down of single embroidery point.

14. embroidery machine according to claim 13, which is characterized in that on sewing machine (5), the driving mechanism of setting is to be used for It is swung in embroidery wire cutting and the personalized of clamping element (55) upper rocking bar (87), and/or when needle (13) stops working as drive The linear actuating device (34) that dynamic component uses.

15. embroidery machine according to claim 1, which is characterized in that one in embroidery wire cutting and clamping element (55) is cut Cutting blade (61) and a grapple (63) can be clamped and be cut embroidery yarn by the active force of spring (85), from cutting and can be clamped Position is opposite to extrapolate.