CN102051767B - Multihead embroidery machine and tension frame thereof - Google Patents

Abstract

Provided is a multihead embroidery machine, comprising at least one embroidery head (75). Each embroidery head (7) is provided with a plurality needle positions which can move along the side direction with respect to an embroidery position. The stitch of each needle position comprises at least one thread guide, a plurality of thread guiding device and a needle disposed on a needle push rod. The needle (9) can move back and forth along a first direction. Each embroidery head (75) cooperates with one thread laying unit. A clutch is provided for synchronizing a thread feeding unit and the thread laying unit. A tension frame (11) is arranged between the thread feeing unit and the thread laying unit, thereby embroidery cloth (89) can be expanded. The tension frame is provided with a first cloth maintenance component (13) and a second cloth maintenance component (15). The cloth maintenance component is designed into the form of a first rotatable clothbeam (13) and a second rotatable clothbeam (15), which are or can be mutually coupled. A storage section of embroidery cloth (89) can be reeled on the clothbeam (3, 15).

Description

Multiheaded embroidery machine and tenter frame used thereof

Technical field

The present invention relates to a kind of multiheaded embroidery machine and tenter frame used thereof.

Background technology

According to Fried with book " embroidery technique " (the VEB science and technology book publishing house of Klaus Freier, Leipzig, 1982,1st edition), embroidery machine can be classified according to different viewpoints: the first classification is the number for the wire system related at embroidering program: in the situation of some machines, embroidery only produces with one wire system, other machines needs two wire system, that is also need second line in addition: to roll off the production line, rear line, bobbin thread, shuttle thread or yarn cylinder line (β obinenfaden, English: bobbin thread).

The second classification is for the number of the pin worked simultaneously: the example of needle machine has Singer, Adler and crank embroidery machine.Multiple-pin type or ratio embroidery machine (Rappirtstickmaschine) are shuttle type embroidery machine and hand embroidery machine.

Except these two groups, also have multiheaded embroidery machine, it does not belong to above-mentioned two groups, and the principle of this machine is 3,4,6,10 or 12 Singer embroidery heads to install on a large table plate, and these embroidery machine heads utilize a common drive shaft drives.The run-in synchronism of the head so reached is necessary, makes all pins thrust embroidery cloth (Stickboden or stichgut, English: embroidery ground) or out simultaneously from embroidery cloth simultaneously.At this, for each head, this embroidery cloth individually can sandwich in an embroidery frame (Stickrahmen, English: embroidery frame).These embroidery frame profits are screwed in the textural of a kind of seemingly bobbin cradle (Gatter, English: creel), and this structure is controlled by one small-sized automatics (robot) (Antomat) in a horizontal plane.Have the embroidery automatic machine of six heads, embroidery scene is long-pending is about 240 × 240mm.It forms the assembly of embroidery and to form program of embroidery identical with Singer embroidery machine person, from the latter uniquely different be in: above-mentionedly establish a fabric clamp various, embroidery cloth firmly maintains when embroidering into by it.If embroidery frame moves further, then fabric clamp is often raised.In addition, be provided with a line monitoring system as other embroidery individual is first, machine is turned off when breaking by automatically.

First multiheaded embroidery machine was peddled (see The Art ofEmbroidery, Coleman, Schneider, 1991) by moral Singer Sewing Machine Factory before 100 years.First automatic multiple-head embroidery machine can see general textbook " technology and production engineering " Klaus Freier in nineteen twenty-seven listing (also known as " W ü rker-Automat ") about further document, VEB science and technology book publishing house, leaf than WU, 130 ~ 131 pages ".

Summary of the invention

The present invention is about above-mentioned multi-head embroidery sewing machine, and head of wherein respectively embroidering is provided with most pin position, and below in the description in order to will be clear that differentiation, this multi-head embroidery sewing machine is also referred to as " multi-end multi-needle embroidery machine ".At this, general situation, there is a line monitor (optionally establishing) each pin position, a cable guiding device (also claiming line to take bar in the literature), line guiding device, comprise the line tension position (reaching the standard grade in position) being used as by stitch to compensate, and one is located at a pin push rod on pin, this pin can move up and down and by a drive unit drives.The assembly of above-mentioned formation stitch also claims " unit of reaching the standard grade " in the description on the whole.The embroidery head of this multiheaded embroidery machine is bearing on a trailing arm, can be displaced sideways.Below each embroidery head, have a stitch plate (needle plate), be provided with a pin hole in stitch plate, insert for a pin, stitch plate makes the place of needlework location.Each pin of one embroidery head can do lateral movement to above-mentioned needlework location, and when operating, this embroidery cloth (it to be located at can in the x-direction and in the tenter frame of y direction movement) is against in this needlework location.Position enters in pin hole through embroidery cloth when pin moves at each pin of needlework location.At this, reach the standard grade through embroidery cloth and utilize relevant needle movement to form a ring (Schlauf, English: loop) at embroidery cloth dorsal part.Then roll off the production line through this ring.When pin retracts, reach the standard grade and be pulled and form a so-called stitch (needle tracking, stitching) (Stich, English: stitch) in embroidery cloth.When embroidering, these pin positions respectively only have a pin position to be movable, also ascend the throne in that pin position of needlework location.The embroidery head of above-mentioned multiheaded embroidery machine utilizes prior art along the specific ratio setting of trailing arm one.

Therefore a feature of these multi-end multi-needle embroidery machines is: each embroidery head has most pin position.This point has a benefit: another line can be established in each pin position, therefore can do secondary color embroidery, wherein often only have relevant pin in action.

Pin push rod and line bar relevant with its of a pin group are generally bearing in a carrier, and selected shank and each line bar relevant to it are taken to the front that is set as the driver of position fixed form, to be changed by line by moving by this carrier.

For example, a kind of conventional multiple start multi-needle embroidery machine is shown in Fig. 1 and Fig. 2, it comprises a frame (201), and is located at embroidery table (203) in frame (201) and most embroidery head (205) [they in column be located at above embroidery table], as shown in Figure 2, head (205) of respectively embroidering has several pin position being respectively provided with a pin (215).At this, each pin position comprises the fixing line arrangement for guiding (207) in position or line and to stop only device.Line that can move up and down is taken bar or cable guiding device (209) and line turning member (211) and a pin (215) [this pin is located to be had on pin rake (213) of pin push rod (214)].As Fig. 2 in addition shown in, each pin push rod (214) is provided with a fabric clamp (217), embroidery head (205) below be provided with embroidery frame (219), the embroidery cloth that embroider can be opened and be located in this embroidery frame.Embroidery table (203) can put into a large-scale tenter frame (221), the width range of clamp frame extend through embroidery table (203).The available mode of the prior art of tenter frame (221) moves along x and y direction.As above-mentioned, embroidery head is located at a linear guide (223) and goes up and can move in the x-direction along this guide member.

Traditional multi-end multi-needle embroidery machine comprises two cloth arranged every a distance mutually and keeps assembly, and cloth can be fixed between which.Cloth to be sandwiched (also known as " embroidery cloth "), must by this cloth a section ground clamp and clamp into.The lateral edges of embroidery cloth be clamped equally and clamp into.Generally, multi-head embroidery sewing machine of the prior art is provided with a clamp frame, and the size of one spatial measure (=y direction) is about 150cm ~ 180cm.Whole clamp frame can utilize guiding device of the prior art and driving means in the x-direction and y direction motion, whole for embroidery cloth area can be embroidered.

Rolling off the production line of head of embroidery is respectively provided by a little bobbin (Spulchen), this little bobbin is contained in a housing, and just like each conventional sewing machine employee, little bobbin can reel the line reaching 100 meters, this point can make the occasion at multi-head sewing machine, and this little bobbin will be changed more continually.If line reserves exhaust, and little bobbin will be changed.

The shortcoming of this multi-end multi-needle embroidery machine of the prior art is, its space requirement is comparatively large, is equivalent to the twice degree of depth (y direction) of tenter frame.This huge tenter frame itself also has a shortcoming.When machine operation, not easily visit hand with the little bobbin rolled off the production line and and.Often will change little bobbin, people must climb to below tenter frame, just can take little bobbin, or when upper thread breakage will be repaired, must climb on machine.Therefore large-scale tenter frame causes very large obstruction when this embroidery machine keeps in repair.

Moral publication DE-A-3720907 has delivered a shuttle embroidery machine, and two cloth Shu are setting up and down.At this, this cloth Shu batches on cloth beam, and this cloth beam is supported on the embroidery frame of machine.Upper cloth beam and lower cloth beam warp one for no reason wheel belt are optionally connected with the driving shaft of a motor and drive, with mat motor, cloth beam is rotated, so that cloth Shu individually " is wound on axle " (Aufwellen, English: wind-up onto shaft) or synchronously " batch " (Nachwellen, English: further (after) wind) after continuing work.Utilize one can be reverse " wheel belt clamping bar " (it is located on the free end of driving shaft) optionally make top wheel belt or below wheel belt motion, cloth Shu therefore can be made to transport forward or transport backward.Do not mention in DE-A-3720907: how to clamp at Shu or how can be wound on axle after clamped condition continues work.

European patent EP-A-0 148 127 has delivered a kind of bobbin cradle (Gatter, English: creel) of large-scale embroidery machine, and wherein cloth beam utilizes pulling force means to be connected to each other, and makes cloth beam only keep rotatable at non-clamped condition.Have a motor that can move freely relative to bobbin cradle to be used as driver to clamp with the embroidery cloth that will be wound on cloth beam.Respectively there is a tooth structure side of cloth beam, in ring gear form.A pallet (Klinke, English: detent) (it is fixed into pivotable mode) is had to embed this ring gear.When cloth relaxes, the rear end of pallet is leaned on mutually with a plate, and pallet like this departs from engaging from tooth structure, and this cloth beam is free to rotate.The shortcoming of this bobbin cradle is, batches after can not continuing work when clamping, and in other words, is located at the range of movement of motor meeting moving-limiting therebetween.

The object of the present invention is to provide a kind of multiheaded embroidery machine, it does not have above-mentioned shortcoming.A special object is to provide a kind of multiheaded embroidery machine having more efficiency than conventional machines.Another object is to provide a kind of machine of more large-area embroidery cloth of embroidering than conventional multiple start embroidery machine, and space requirement is less.The very little machine of a kind of space requirement is to provide according to its another object.

The present invention is about a kind of multiheaded embroidery machine.Have at least one embroidery head, embroidery head has most pin position.Pin position is located on a table or a carrier, can relative to a needlework location (that is side direction) movement in the x-direction.Each pin position comprises some assemblies (as cable guiding device, line guiding device) and a pin push rod (it respectively can fix a pin).Pin push rod can move back and forth in the z-direction.Said modules entirety also deserves to be called line unit.The unit that rolls off the production line respectively is had to coordinate with each embroidery head.A tenter frame is provided with between unit to establish an embroidery cloth at the unit and rolling off the production line of reaching the standard grade.Tenter frame has two (first and second) cloth to keep assembly, mutual every a distance setting in the y-direction.As is commonly known, multiheaded embroidery machine has a clutch, such as, have the clutch of an axle, upper and lower line units synchronization to be driven.

According to the present invention, this object utilizes a kind of embroidery machine described in claim 1 to reach with the following methods: this cloth keeps component Design to become one first and 1 second rotating cloth beam, and the storage section of one section of embroidery cloth can be batched on this cloth beam.Embroidery machine of the present invention has a very large advantage compared to conventional multiple start multi-needle embroidery machine: its requisite space is much smaller than traditional person.Due to the event of this cloth beam, the degree of depth of tenter frame can reduce to the about half of original size.But but larger cloth of embroidering, this is because very large-area cloth can be wound to event on cloth beam.Another advantage is: this machine more easily visit hand can and, such as can visit hand and and with by line change, and embroidery cloth can be easier to continue do after batch, this is because cloth Shu often keep the state that sandwiches therefore.

This first and second cloth beam utilizes coupling device to be connected to each other.This coupling device can make the two cloth beam independent rotations in mutual irrelevant ground and then fix, and therefore can maintain the cloth tension force once adjusted.Coupling device is designed to this cloth beam to be fixed on arbitrary position of rotation relatively, and for example, this point can utilize a free-wheeling mechanism be located on cloth beam to reach.Rotate by an axle, can clamp along the cloth Shu in tenter frame.This two cloth beam should utilize one, and cingulum, a sting or an axle are connected to each other for no reason.This coupling device or this free-wheeling mechanism should have a neutral.This position is batched after can be used for making cloth Shu further.

According to a preferred embodiment, this first cloth beam is connected with one first group of driving means, and this second cloth beam is connected with one second group of driving means.This this first group utilize coupling device to be coupled mutually with second group of driving means or utilize a free-wheeling mechanism (freewheel machine) to be coupled mutually.This driving means can utilize chain or wheel tape drive or driving shaft to cause.The mechanical type of this two cloth beam is coupled with a benefit: even if during cloth tensioning, and still movable one this point is different in the existing fixing tenter frame of multiple-end thread Sewing machines use with since many decades.

This coupling device should be designed to the coupling unit coordinated in shape packing interaction (forsch ü ssig, English: shape-engaged) mutually.This is a kind of simple, honest and clean meeting and strong structure.A kind of very favourable embodiment is the mode this coupling device being designed to slip-clutch.At this, if this coupling device can slide along a specific direction of rotation when moment transmits, but can not slide along contrary direction of rotation when moment transmits, then thisly be designed with special benefit.This feature is particularly particularly useful when cloth tensioning.This coupling unit should utilize this on a circuit orbit and coupling tooth outstanding is vertically formed.In the serrate moulding of this this coupling tooth tool, there is the flank that is oblique.

One of this coupling unit should utilize spring means to tighten (executing prestressing force) and exert a force to coupling position.Therefore, jagged coupling tooth is coordinated can to cause simply effective slidingtype coupling.This coupling device should be located on a coupling axle, wherein, this first coupling unit and one first driven unit jail are connected into the mode that can not rotate, and this second coupling unit and one second driven unit jail are connected into the mode that can not rotate, this first driven unit utilizes a chain, wheel belt or axle to be coupled with this first cloth beam, and this second driven unit utilizes a chain, wheel belt or axle to be coupled with this first cloth beam, one of this two coupling unit should be supported to can movement vertically on this coupling axle mode and utilize spring means tighten in advance apply towards coupling position.This two coupling unit should have one to connect with driving shaft jail.

In a kind of very favourable embodiment, at least this driving means and/or be provided with on cloth the tip of the axis chimeric means for a hand tool be fitted together to.In other words, cloth Shu can the tensioning without motor, can use motor although do not get rid of.Utilize this chimeric means, can by a rapid tensioning of cloth be located between cloth beam.This tenter frame should substantially horizontally be located in a table or embroidery frame.

This cloth beam should be provided with the recessed gap of profile, and one " pincers rib " or a less tenter frame can embed in the recessed gap of this profile, and they can be designed to well known to a person skilled in the art mode.

The guidance means being preferably provided with tenter frame moves along x and y direction to make tenter frame.In addition should be provided with driving means to be coupled with tenter frame, enablely in embroidery process, tenter frame to be moved along x and y direction.The bearing of tenter frame and driving means can just like prior art designs.

In a kind of preferred embodiment, be provided with a clinching mechanism, it has, and majority is pivotable clamps bar, is set as mutually every a distance.Clamp bar and can be pivoted to one close to the second place of embroidery cloth from one away from the primary importance of embroidery cloth.Clamp bar directly to coordinate with stitch plate or coordinate with a block that clamps be placed on stitch plate, so that cloth Shu is fixed, cloth Shu is clamped, batch after cloth Shu can be made to continue work.After batch time, the cloth of this tensioning is exactly hang on the clamping bar of side after clamping, and then moves by by tenter frame, is wound to another cloth beam from a cloth beam rolling off by cloth Shu.As without clinching mechanism, also can establish sensor device, utilize it the place of needlework location can be maintained.

Also provide a kind of multi-end multi-needle thorn line machine tenter frame as claimed in claim 17 according to the present invention, it is characterized in that, this cloth keeps component Design to become the form of first and second cloth beam free to rotate, and the storage section of one section of embroidery cloth can be batched on this cloth beam.The favourable further feature of this tenter frame sees its dependent claims, tenter frame of the present invention has an advantage, can embroider compared with the cloth Shu of the cloth Shu embroidered by traditional tenter frame longer (longer than the length using multi-end multi-needle embroidery machine to reach so far).

Embodiments of the invention following with graphic be example explanation.

Accompanying drawing explanation

Fig. 1 is the stereogram of a conventional multiple start multi-needle embroidery machine, has most embroidery heads;

Fig. 2 is the front view of the stereogram of a conventional multiple start multi-needle embroidery machine, independent embroidery head;

Fig. 3 is the partial perspective view of the embodiment of a tenter frame of the present invention, has two cloth beams, utilizes a chain driver (it has a coupling device) to be coupled;

Fig. 4 is the exploded view of the chain driver of the tool coupling device of Fig. 3;

Fig. 5 is more detailed one first stereogram of this coupling device;

Fig. 6 is another stereogram of coupling device of Fig. 5;

Fig. 7 be portion's segmentation show the front view of an embroidery machine of the present invention, it has a clinching mechanism (being located between two embroidery heads) so that a cloth Shu is clamped jail;

Fig. 8 is the side view of the embroidery machine of Fig. 7;

Fig. 9 is a cloth Shu tensioning, is rolled onto on axle and continues to make rear volume head schematic diagram;

Figure 10 is with the front right corner of piece-wise display tenter frame, and it has the side clamping rib of side;

Figure 11 as Figure 10, but has a storage casket;

Figure 12 is the tenter frame of Figure 10, has the storage casket of coupling;

Figure 13 is an independent fragment of a tenter frame.

[primary clustering symbol description]

(11) tenter frame

(13) first cloth beams

(15) second cloth beams

(17) the side part of tenter frame

(19) profile depressed part

(21) first chain drivers

(23) second chain drivers

(25) coupling device

(27) first coupling units

(29) second coupling units

(31) sawtooth of coupling unit

First sprocket of (33) first chain drivers

Second sprocket of (35) second chain drivers

(37) Compress Spring

(39) be coupled axle

(41) changer lever

(43) eccentric head

(45) arrow (rotation direction when cloth clamps)

(47) chimeric means

(49) side plate

(51) horizontal moulding

(53) base plate

(55) intermediate space between side plate

(57) bearing body of cloth beam and the between centers that is coupled

(59) (61) (63) (65) equipment gear

The chain of (67) first chain drivers

The chain of (69) second chain drivers

(70) multi-end multi-needle embroidery machine

(71) cloth Shu clinching mechanism

(73) stitch plate

(75) embroidery head

(77) bar is clamped

(79) driver of bar is clamped

(81) axle

(83) upper end of bar is clamped

(85) rib is clamped

(87) pin

(89) cloth Shu, embroidery cloth

(91) pin

(92) (93) arrow

(97) guiding channel

(99) side clamping rib part

(101) casket is stored up

(103) coupling button

(105) pin of side clamping part

(107) vertical edge

(109) vertical edge

(111) guide pins

(201) frame

(203) embroidery table

(205) embroidery head

(207) line arrangement for guiding

(209) line is taken bar or cable guiding device

(211) line turning member

(213) pin push rod

(214) pin

(215) pin rake

(217) fabric clamp

(219) embroidery frame

(221) tenter frame

(223) linear guide

Detailed description of the invention

The tenter frame (11) of the embroidery cloth shown in Fig. 3 has two cloth beams (13), (15), and their rotating modes are located in side part (17).Around axle (13) (15), there is a profile depressed part (19), extend vertically, have one to clamp rib (not marking in figure) and can put into wherein.At this, an edge of this embroidery cloth can clamp and clamp between rib and profile depressed part (19) at this.

Tenter frame (11) is used in particular for multi-end multi-needle embroidery machine, and the traditional type tenter frame of this embroidery machine can not allow that embroidery cloth batches after continuing work so far.Therefore, the most degree of depth of traditional tenter frame has 150cm, the embroidery cloth that area of could embroidering is large.And tenter frame of the present invention (11) desired depth is less than 120cm, and should be less than 100cm, You Yi is about 80cm or less because embroidery cloth can after roll up head.The whole length of embroidery cloth extend through embroidery machine, and so-called " axle spoon " can be utilized to support in the situation of necessity.The diameter of cloth beam can≤120cm, and suitable≤100mm, You Yi≤90mm.

Cloth beam (13) (15) utilize one first and 1 second chain driver (21) (23) and a coupling device (clutch) (25) [it is located between chain driver (21) (23)] to be coupled mutually.Coupling device (25) utilizes two coupling unit (27) (29) (they are designed to the form of ring) with axially outstanding sawtooth (31) to form (as shown in Fig. 4 ~ Fig. 6).At this, one first sprocket (33) jail that first coupling unit (27) and the first chain pivot move device (21) connects into can not mode in relative rotation, and coupling device (25) and sprocket (33) are fit to do integral formula.Second coupling unit (29) is connected into one second sprocket (35) jail of the second chain driver (23) can not to the mode of rotating.Two Compress Springs (37) are provided with between the second sprocket (35) and the second coupling unit (29).Second coupling unit (29) is withstood the first coupling unit (27) and is pressed into a coupling position by them.When this position, sawtooth intermeshes, and coupling unit (27) is bearing in one with sprocket by rotating mode and is coupled on axle (39) (clutch shaft).Coupling unit (29) and sprocket (35) can utilize the chimeric means of an a relevant design such as quadrangle connect means (39) and transmit moment.

One changer lever (41) [it utilizes the head (43) of an eccentric design to be entrenched on the second coupling unit (29)] can make the sawtooth (31) of the second coupling unit (29) and the first coupling unit (27) depart from engagement, therefore chain driver (21) (23) decoupling zero mutually.In the position of decoupling zero, cloth beam (13) (15) can independently rotate on mutual irrelevant ground, and for example, an embroidery cloth can be taken up or rolling off.[it is while there is very steep flank to utilize the zigzag moulding of the tooth of above-described embodiment (31), another side has oblique flank] stop when the second coupling unit (29), and the first coupling unit (27) is when rotating along arrow (45) direction, then the first coupling unit (27) can slide along the second coupling unit (29), if when an embroidery cloth batched must clamp, then adopt this option.Be provided with chimeric means (47) in coupling axle (39) and cloth beam (13) end for this purpose, such as a kind of outer quadrangle or hexagon, be fitted together to for an instrument.

As shown in Figure 3, side part (17) by two apart from one another by side plate (49) formed, side plate utilizes horizontal moulding (51) to be connected to each other, in medial compartment (55) [it is formed between side plate (49) and base plate (53)], be provided with these two chain drivers (21) (23), cloth beam (13) (15) and the axle that is coupled (39) are pivotally bearing in bearing body (57) [they hold in side plate (49) hole].This side part also integrally formedly can make the form of the tubular sheet metal bending forming parts of opening.Side part also advantageously can make the form of U-shaped metal gate bar.

Particularly as shown in Fig. 4 ~ Fig. 6, chain driver (21) (23) also have other gear (59) (61) (63) (65), and they are for tightening chain and turning to.

One preferred embodiment of multi-end multi-needle embroidery machine (70) (see Fig. 7,8) of the present invention is provided with a clinching mechanism (71).Utilize this embedding tight device (71), can clamp on stitch plate (73) by the embroidery cloth be clamped in tenter frame (11) by one piece, stitch plate (73) position is in embroidery head (75) below.Clinching mechanism (71) comprises and most clamps bar (77) apart from one another by what arrange, they can utilize a driver (79) [this driving separates with needle drivers] from an original position [when this position, clamp bar (77) to leave from stitch plate (73) pivotable] be pivoted to an operating position [when this position, clamp the Shu that has that bar (77) will be clamped in tenter frame (11) and clamp].At this, stitch plate (73) is used as the function to footstep bearing.

As shown in Figure 8, clamping bar (77) is pivotally bearing on an axle (81), driver (as pneumatic cylinder is held in a compression) be embedded in clamp bar (77) one end (83) on, and make embedding tight bar (77) can pivotable.Embroidery cloth should not directly firmly be embedded on stitch plate (73) by embedding tight bar (77), but uses one to clamp rib (85).Clamp rib (85) to be first put on stitch plate (73), then with embedding tight bar (77) top to stitch plate (73).The pin (87) be located in the opposite end clamping rib (85) also can by the edge extent fixed bit of cloth Shu.Cloth to be clamped, only need with other embedding tight bar each, every 3,4 or 5 embroidery heads can establish one independent to clamp bar.

Show cloth beam (13) (15) in Fig. 9 a and open the cloth Shu (89) between being located at.Figure number (91) represents the pin of unit of reaching the standard grade.To, by cloth Shu (89) tensioning, be cloth beam (13) (15) are rotated (arrow 92,93) in opposite direction until cloth Shu (89) opens enough tight.

Fig. 9 b shows cloth beam (13), it contains the reserves (Vorrat, English: storage) of one section of cloth that will embroider (89).This cloth to be embroidered, it be opened and is located at (Fig. 9 c) between axle (13) (15).When embroidery, tenter frame is turned left with cloth beam (13) (15) and is moved right, until the cloth cover sandwiched virtually completely was embroidered (Fig. 9 d).Then cloth utilization being clamped rib (85) is pressed onto on stitch plate, so can prevent cloth from moving (see Fig. 7 and Fig. 8).When the position of cloth is fixed, the lateral margin of cloth just can unclamp, and wherein side is clamped rib (not shown) and takes away.Then batch after the cloth do not consumed can being done, wherein cloth beam (13) (15) rotate along identical direction of rotation, move against embroidery direction by by tenter frame.The cloth of embroidering to be wound on axle (15), and by untapped cloth from axle (13) rolling off (Fig. 9 e), then, if necessary, can by cloth slightly after tensioning, and rib will be clamped take away again.Utilization clamps rib (85) and can guarantee can not rotate and change its rearmost position relative to pin by cast-over (91).

As without this mode, when batching after work, a sensor also can be used to guarantee that last shared needlework location can maintain.For example, the sensor denotes a point on embroidery cloth, and coordinate the control device of embroidery machine make this point after batch after again position in same position.In practical, after batch operation should and the operation of dividing a word with a hyphen at the end of a line of tenter frame synchronous, therefore last shared needlework location can not move relative to pin.

In order to the whole width range tensioning equably by embroidery cloth, therefore its face respectively utilizes one " side tensioning rib " perpendicular to the horizontal tensioning of tension direction of axle, and at the end of, tensioning after vertically doing, side part (17) is towards in the side of embroidery cloth, be provided with a guide member, such as, form in a U-shaped guiding channel (97), wherein hold most sides clamping rib part (99).Side clamping rib part (99) is located in guiding channel (97) in a movable manner.When after batch time, that is when embroidery cloth (89) be rolled onto axle (13) upper time, side tensioning rib part (99) is released by from guiding channel.In order to collect side tensioning rib part (99), the front end of a guiding channel (97) should have storage casket (101).Side tensioning rib part (99) that the tolerance of storage casket (101) is designed to make (they after batch time be pushed out from guiding channel (97)) have living space storage casket and store.If batched after embroidery cloth, then store up casket (101) and utilize a coupling to buckle (103) to be attached on guiding channel (97) rear end, and side clamping rib part should enter in guiding channel with hand push.Then this embroidery cloth can again by side tension, and wherein this base fabric is stung on the pin (105) of side clamping rib part (99).

Side guiding rib (99) is preferably the long drip molding of 15 ~ 40cm, and one is indulged edge (107) and is provided with one row pin (105) (Figure 11).The vertical edge (109) of its opposition is provided with guide pins (111), and they coordinate in embedding guiding channel (97).

One multiheaded embroidery machine has most embroidery head, and each embroidery head has most pin position, and pin position is located on a carrier in the dynamic mode can established as side relative to a stitch position." the stitch formation assembly " of each pin position comprises at least one cable guiding device, some line guiding devices and a pin (it is located on a pin push rod, and is supported to the mode that can move back and forth along a first direction).The unit that rolls off the production line is had to coordinate with each embroidery head, the one clutch unit that is used for making reaching the standard grade moves with the units synchronization that rolls off the production line, reaching the standard grade unit and roll off the production line between unit and be provided with a tenter frame (should be horizontally disposed with), be located on a supporter to make a cloth open, this supporter has two (first and second) to keep assembly apart from one another by the cloth arranged.Cloth keeps component Design to become first and second rotating cloth beam form, and this cloth beam is coupled mutually or can be coupled mutually, has one section of embroidery cloth storing up section (Vorrat, English: storage) can batch on cloth beam.

The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (18)

1. a multiheaded embroidery machine, have at least one embroidery head (75), this embroidery head (75) has most pin position, and this pin position is arranged to move along an x direction relative to a needlework location, wherein this pin can move back and forth along a z direction, and this multiheaded embroidery machine also has

To embroider the unit that rolls off the production line that head (75) coordinates with one for each one, and

One tenter frame (11), so that an embroidery cloth (89) is established, this tenter frame is located at this embroidery head (75) and rolls off the production line between unit, this tenter frame has two cloth and keeps assembly, comprising one first cloth keeps assembly and one second cloth to keep assembly, to be set as along a y direction mutually every a distance, to it is characterized in that:

This cloth keeps component Design to become one first and 1 second rotating cloth beam (13) (15), and the storage section of one section of embroidery cloth (89) can be batched on this cloth beam (13) (15).

2. embroidery machine as claimed in claim 1, is characterized in that:

This cloth beam (13) (15) utilize a coupling device (25) to be connected to each other, and this coupling device (25) is at least one chain or the form of belt driver.

3. embroidery machine as claimed in claim 2, is characterized in that:

This coupling device (25) is designed so that this cloth beam (13) (15) at any position of rotation mutually in relatively fixing.

4. embroidery machine as claimed in claim 1 or 2, is characterized in that:

This first cloth beam (13) is connected with one first group of driving means (21), and this second cloth beam (15) is connected with one second group of driving means (23), and this first group utilizes coupling device to be coupled mutually with second group of driving means (21) (23).

5. embroidery machine as claimed in claim 4, is characterized in that:

This first group and second group of driving means (21) (23) utilize chain driver or wheel tape drive or driving shaft to cause.

6. embroidery machine as claimed in claim 4, is characterized in that:

It is mutually that shape is fitted together to coupling unit (27) (29) of matching that this coupling device (25) has.

7. the embroidery machine as described in claim or 2, is characterized in that:

This tenter frame is roughly set as level.

8. embroidery machine as claimed in claim 2, is characterized in that:

This coupling device (25) comprises one first coupling unit (27) and one second coupling unit (29), this coupling device (25) is located on coupling axle (39), wherein this first coupling unit (27) and one first sprocket gear (33) jail connect, this first sprocket gear (33) is coupled with this first cloth beam (13) through a chain (67), this second coupling unit (29) is firmly connected with one second sprocket, and this second sprocket (35) is coupled with this second cloth beam (15) through a chain (69).

9. embroidery machine as claimed in claim 8, is characterized in that:

This belt or this chain (69) are designed to endless band or sting form.

10. embroidery machine as claimed in claim 8, is characterized in that:

This second coupling unit (29) is bearing in this coupling axle (39) in the mode that can move axially and goes up and utilize at least one Compress Spring (37) to execute prestressing force to this coupling position direction.

11. embroidery machines as claimed in claim 1 or 2, is characterized in that:

At least at this driving means and/or be set as chimeric means be fitted together to for a hand tool on the end of cloth beam (13) or (15).

12. embroidery machines as claimed in claim 1 or 2, is characterized in that:

The guidance means being provided with this tenter frame is to make tenter frame (11) in the x-direction and the motion of y direction, and be provided with driving means, these driving means are coupled with this tenter frame (11), with make this tenter frame (11) in the x-direction and y direction motion.

13. embroidery machines as described in claim 1 or 2, is characterized in that:

Be provided with a clinching mechanism (71), this clinching mechanism has most pivotable embedding tight bar (77), and this embedding tight bar (77) is set as apart from one another by a segment distance and can be pivoted to one close to the second place of embroidery cloth from one away from the primary importance of embroidery cloth.

The tenter frame of 14. 1 kinds of multiheaded embroidery machines, there are two cloth arranged every a distance mutually and keep assembly, this cloth keeps component Design to become the form of first and second cloth beam (13) (15) free to rotate, the storage section of one section of embroidery cloth (89) can be batched on this cloth beam (13) (15), and coupling device (25) is connected to each other in the warp of these two cloth beams (13) (15), it is characterized in that: this coupling device (25) comprises one first and 1 second coupling unit (27) (29), this coupling device (25) is located on coupling axle (39), wherein this first coupling unit (27) and one first sprocket gear (33) jail connect, this first sprocket gear (33) is coupled with this cloth beam (13) through a chain (67), this second coupling unit (29) is firmly connected with one second sprocket (35), this second sprocket (35) is coupled with this cloth beam (15) through a chain (69).

The tenter frame of 15. multiheaded embroidery machines as claimed in claim 14, is characterized in that:

This first cloth beam (13) and the second cloth beam (15) are connected to each other via coupling device, and this coupling device is designed to fastened to each other at any position of rotation to cloth beam (13) (15).

16. embroidery machines as claimed in claim 1 or 2, is characterized in that:

This tenter frame Shen Du≤120cm in the y-direction.

17. embroidery machines as claimed in claim 1 or 2, is characterized in that: this tenter frame Shen Du≤100cm in the y-direction.

18. embroidery machines as claimed in claim 1 or 2, is characterized in that: this tenter frame Shen Du≤90cm in the y-direction.